/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sts=2 sw=2 et cin: */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Dean Tessman * Ere Maijala * Mark Hammond * Michael Lowe * Peter Bajusz * Pierre Phaneuf * Robert O'Callahan * Roy Yokoyama * Makoto Kato * Masayuki Nakano * Dainis Jonitis * Christian Biesinger * Mats Palmgren * Ningjie Chen * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsWindow.h" #include "nsIAppShell.h" #include "nsIFontMetrics.h" #include "nsIFontEnumerator.h" #include "nsIPrefBranch.h" #include "nsIPrefService.h" #include "nsFont.h" #include "nsGUIEvent.h" #include "nsIRenderingContext.h" #include "nsIDeviceContext.h" #include "nsIScreenManager.h" #include "nsRect.h" #include "nsTransform2D.h" #include "nsThreadUtils.h" #include "nsIObserverService.h" #include "imgIContainer.h" #include "gfxIImageFrame.h" #include "nsNativeCharsetUtils.h" #include "nsWidgetAtoms.h" #include #include #include "nsUnicharUtils.h" #include "prlog.h" #include "nsISupportsPrimitives.h" #include "gfxImageSurface.h" #ifdef WINCE #include "aygshell.h" #include "imm.h" #include "tpcshell.h" #else #include "nsUXThemeData.h" #include "nsKeyboardLayout.h" #include "nsNativeDragTarget.h" #include #ifndef PBT_APMRESUMEAUTOMATIC #define PBT_APMRESUMEAUTOMATIC 0x0012 #endif // mmsystem.h is needed to build with WIN32_LEAN_AND_MEAN #include #include #endif // unknwn.h is needed to build with WIN32_LEAN_AND_MEAN #include //#include "sysmets.h" #include "nsGfxCIID.h" #include "resource.h" #include #include "prtime.h" #include "gfxContext.h" #include "gfxWindowsSurface.h" #include "nsIImage.h" #ifdef ACCESSIBILITY #include "OLEIDL.H" #include #ifndef WINABLEAPI #include #endif #include "nsIAccessible.h" #include "nsIAccessibleDocument.h" #include "nsIAccessNode.h" #ifndef WM_GETOBJECT #define WM_GETOBJECT 0x03d #endif #endif #include "nsIRollupListener.h" #include "nsIMenuRollup.h" #include "nsIRegion.h" //~~~ windowless plugin support #include "nsplugindefs.h" // For clipboard support #include "nsIServiceManager.h" #include "nsIClipboard.h" #include "nsWidgetsCID.h" #include "nsITimer.h" #include "nsITheme.h" // For SetIcon #include "nsILocalFile.h" #include "nsCRT.h" #include "nsAppDirectoryServiceDefs.h" #include "nsXPIDLString.h" #include "nsIFile.h" #include "prprf.h" #include "prmem.h" #ifdef NS_ENABLE_TSF #include "nsTextStore.h" #endif //NS_ENABLE_TSF #ifdef WINCE static PRBool gSoftKeyMenuBar = PR_FALSE; static void CreateSoftKeyMenuBar(HWND wnd) { if (!wnd) return; static HWND gSoftKeyMenuBar = nsnull; if (gSoftKeyMenuBar != nsnull) return; SHMENUBARINFO mbi; ZeroMemory(&mbi, sizeof(SHMENUBARINFO)); mbi.cbSize = sizeof(SHMENUBARINFO); mbi.hwndParent = wnd; // On windows ce smartphone, events never occur if the // menubar is empty. This doesn't work: // mbi.dwFlags = SHCMBF_EMPTYBAR; mbi.nToolBarId = IDC_DUMMY_CE_MENUBAR; mbi.hInstRes = GetModuleHandle(NULL); if (!SHCreateMenuBar(&mbi)) return; SetWindowPos(mbi.hwndMB, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE); SendMessage(mbi.hwndMB, SHCMBM_OVERRIDEKEY, VK_TBACK, MAKELPARAM(SHMBOF_NODEFAULT | SHMBOF_NOTIFY, SHMBOF_NODEFAULT | SHMBOF_NOTIFY)); SendMessage(mbi.hwndMB, SHCMBM_OVERRIDEKEY, VK_TSOFT1, MAKELPARAM (SHMBOF_NODEFAULT | SHMBOF_NOTIFY, SHMBOF_NODEFAULT | SHMBOF_NOTIFY)); SendMessage(mbi.hwndMB, SHCMBM_OVERRIDEKEY, VK_TSOFT2, MAKELPARAM (SHMBOF_NODEFAULT | SHMBOF_NOTIFY, SHMBOF_NODEFAULT | SHMBOF_NOTIFY)); gSoftKeyMenuBar = mbi.hwndMB; } #define IDI_APPLICATION MAKEINTRESOURCE(32512) #define RDW_NOINTERNALPAINT 0 #define SetWindowLongA SetWindowLongW #define GetPropW GetProp #define SetPropW SetProp #define RemovePropW RemoveProp #define MapVirtualKeyEx(a,b,c) MapVirtualKey(a,b) inline void FlashWindow(HWND window, BOOL ignore){} inline int GetMessageTime() {return 0;} inline BOOL IsIconic(HWND inWnd){return false;} typedef struct ECWWindows { LPARAM params; WNDENUMPROC func; HWND parent; } ECWWindows; static BOOL CALLBACK MyEnumWindowsProc(HWND hwnd, LPARAM lParam) { ECWWindows *myParams = (ECWWindows*) lParam; if (IsChild(myParams->parent, hwnd)) { return myParams->func(hwnd, myParams->params); } return TRUE; } inline BOOL EnumChildWindows(HWND inParent, WNDENUMPROC inFunc, LPARAM inParam) { ECWWindows myParams; myParams.params = inParam; myParams.func = inFunc; myParams.parent = inParent; return EnumWindows(MyEnumWindowsProc, (LPARAM) &myParams); } inline BOOL EnumThreadWindows(DWORD inThreadID, WNDENUMPROC inFunc, LPARAM inParam) { return FALSE; } #endif #ifdef PR_LOGGING PRLogModuleInfo* sWindowsLog = nsnull; #endif static const PRUnichar kMozHeapDumpMessageString[] = L"MOZ_HeapDump"; #define kWindowPositionSlop 20 #ifndef WM_MOUSEHWHEEL #define WM_MOUSEHWHEEL 0x020E #endif #ifndef SPI_GETWHEELSCROLLCHARS #define SPI_GETWHEELSCROLLCHARS 0x006C #endif #ifndef MAPVK_VSC_TO_VK #define MAPVK_VK_TO_VSC 0 #define MAPVK_VSC_TO_VK 1 #define MAPVK_VK_TO_CHAR 2 #endif // used for checking the lParam of WM_IME_COMPOSITION #define IS_COMPOSING_LPARAM(lParam) \ ((lParam) & (GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE | GCS_CURSORPOS)) static PRBool IsCursorTranslucencySupported() { #ifdef WINCE return PR_FALSE; #else static PRBool didCheck = PR_FALSE; static PRBool isSupported = PR_FALSE; if (!didCheck) { didCheck = PR_TRUE; // Cursor translucency is supported on Windows XP and newer isSupported = GetWindowsVersion() >= 0x501; } return isSupported; #endif } PRInt32 GetWindowsVersion() { #ifdef WINCE return 0x500; #else static PRInt32 version = 0; static PRBool didCheck = PR_FALSE; if (!didCheck) { didCheck = PR_TRUE; OSVERSIONINFOEX osInfo; osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); // This cast is safe and supposed to be here, don't worry ::GetVersionEx((OSVERSIONINFO*)&osInfo); version = (osInfo.dwMajorVersion & 0xff) << 8 | (osInfo.dwMinorVersion & 0xff); } return version; #endif } // Pick some random timer ID. Is there a better way? #define NS_FLASH_TIMER_ID 0x011231984 static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID); static NS_DEFINE_IID(kRenderingContextCID, NS_RENDERING_CONTEXT_CID); static const char *sScreenManagerContractID = "@mozilla.org/gfx/screenmanager;1"; //////////////////////////////////////////////////// // nsWindow Class static variable definitions //////////////////////////////////////////////////// PRUint32 nsWindow::sInstanceCount = 0; PRBool nsWindow::sIMEIsComposing = PR_FALSE; PRBool nsWindow::sIMEIsStatusChanged = PR_FALSE; nsString* nsWindow::sIMECompUnicode = NULL; PRUint8* nsWindow::sIMEAttributeArray = NULL; PRInt32 nsWindow::sIMEAttributeArrayLength = 0; PRInt32 nsWindow::sIMEAttributeArraySize = 0; PRUint32* nsWindow::sIMECompClauseArray = NULL; PRInt32 nsWindow::sIMECompClauseArrayLength = 0; PRInt32 nsWindow::sIMECompClauseArraySize = 0; // Some IMEs (e.g., the standard IME for Korean) don't have caret position, // then, we should not set caret position to text event. #define NO_IME_CARET -1 long nsWindow::sIMECursorPosition = NO_IME_CARET; RECT* nsWindow::sIMECompCharPos = nsnull; PRBool nsWindow::gSwitchKeyboardLayout = PR_FALSE; // imported in nsWidgetFactory.cpp PRBool gDisableNativeTheme = PR_FALSE; #ifndef WINCE static KeyboardLayout gKbdLayout; #endif TriStateBool nsWindow::sCanQuit = TRI_UNKNOWN; BOOL nsWindow::sIsRegistered = FALSE; BOOL nsWindow::sIsPopupClassRegistered = FALSE; BOOL nsWindow::sIsOleInitialized = FALSE; UINT nsWindow::uWM_MSIME_MOUSE = 0; // mouse message for MSIME UINT nsWindow::uWM_HEAP_DUMP = 0; // Heap Dump to a file HCURSOR nsWindow::gHCursor = NULL; imgIContainer* nsWindow::gCursorImgContainer = nsnull; #ifdef ACCESSIBILITY BOOL nsWindow::gIsAccessibilityOn = FALSE; #endif nsWindow* nsWindow::gCurrentWindow = nsnull; //////////////////////////////////////////////////// //////////////////////////////////////////////////// // Rollup Listener - static variable definitions //////////////////////////////////////////////////// static nsIRollupListener * gRollupListener = nsnull; static nsIWidget * gRollupWidget = nsnull; static PRBool gRollupConsumeRollupEvent = PR_FALSE; // Hook Data Memebers for Dropdowns // // gProcessHook Tells the hook methods whether they should be // processing the hook messages // static HHOOK gMsgFilterHook = NULL; static HHOOK gCallProcHook = NULL; static HHOOK gCallMouseHook = NULL; static PRPackedBool gProcessHook = PR_FALSE; static UINT gRollupMsgId = 0; static HWND gRollupMsgWnd = NULL; static UINT gHookTimerId = 0; //////////////////////////////////////////////////// //////////////////////////////////////////////////// // Mouse Clicks - static variable definitions // for figuring out 1 - 3 Clicks //////////////////////////////////////////////////// static POINT gLastMousePoint; static POINT gLastMouseMovePoint; static LONG gLastMouseDownTime = 0L; static LONG gLastClickCount = 0L; static BYTE gLastMouseButton = 0; //////////////////////////////////////////////////// // The last user input event time in microseconds. If there are any pending // native toolkit input events it returns the current time. The value is // compatible with PR_IntervalToMicroseconds(PR_IntervalNow()). static PRUint32 gLastInputEventTime = 0; static int gTrimOnMinimize = 2; // uninitialized, but still true #if 0 static PRBool is_vk_down(int vk) { SHORT st = GetKeyState(vk); #ifdef DEBUG printf("is_vk_down vk=%x st=%x\n",vk, st); #endif return (st < 0); } #define IS_VK_DOWN is_vk_down #else #define IS_VK_DOWN(a) (GetKeyState(a) < 0) #endif // // input method offsets // #define IME_X_OFFSET 0 #define IME_Y_OFFSET 0 #define IS_IME_CODEPAGE(cp) ((932==(cp))||(936==(cp))||(949==(cp))||(950==(cp))) // // App Command messages for IntelliMouse and Natural Keyboard Pro // // These messages are not included in Visual C++ 6.0, but are in 7.0 // #ifndef WM_APPCOMMAND #define WM_APPCOMMAND 0x0319 #endif #ifndef APPCOMMAND_BROWSER_BACKWARD #define APPCOMMAND_BROWSER_BACKWARD 1 #define APPCOMMAND_BROWSER_FORWARD 2 #define APPCOMMAND_BROWSER_REFRESH 3 #define APPCOMMAND_BROWSER_STOP 4 #define APPCOMMAND_BROWSER_SEARCH 5 #define APPCOMMAND_BROWSER_FAVORITES 6 #define APPCOMMAND_BROWSER_HOME 7 // keep these around in case we want them later //#define APPCOMMAND_VOLUME_MUTE 8 //#define APPCOMMAND_VOLUME_DOWN 9 //#define APPCOMMAND_VOLUME_UP 10 //#define APPCOMMAND_MEDIA_NEXTTRACK 11 //#define APPCOMMAND_MEDIA_PREVIOUSTRACK 12 //#define APPCOMMAND_MEDIA_STOP 13 //#define APPCOMMAND_MEDIA_PLAY_PAUSE 14 //#define APPCOMMAND_LAUNCH_MAIL 15 //#define APPCOMMAND_LAUNCH_MEDIA_SELECT 16 //#define APPCOMMAND_LAUNCH_APP1 17 //#define APPCOMMAND_LAUNCH_APP2 18 //#define APPCOMMAND_BASS_DOWN 19 //#define APPCOMMAND_BASS_BOOST 20 //#define APPCOMMAND_BASS_UP 21 //#define APPCOMMAND_TREBLE_DOWN 22 //#define APPCOMMAND_TREBLE_UP 23 //#define FAPPCOMMAND_MOUSE 0x8000 //#define FAPPCOMMAND_KEY 0 //#define FAPPCOMMAND_OEM 0x1000 #define FAPPCOMMAND_MASK 0xF000 #define GET_APPCOMMAND_LPARAM(lParam) ((short)(HIWORD(lParam) & ~FAPPCOMMAND_MASK)) //#define GET_DEVICE_LPARAM(lParam) ((WORD)(HIWORD(lParam) & FAPPCOMMAND_MASK)) //#define GET_MOUSEORKEY_LPARAM GET_DEVICE_LPARAM //#define GET_FLAGS_LPARAM(lParam) (LOWORD(lParam)) //#define GET_KEYSTATE_LPARAM(lParam) GET_FLAGS_LPARAM(lParam) #endif // #ifndef APPCOMMAND_BROWSER_BACKWARD #define VERIFY_WINDOW_STYLE(s) \ NS_ASSERTION(((s) & (WS_CHILD | WS_POPUP)) != (WS_CHILD | WS_POPUP), \ "WS_POPUP and WS_CHILD are mutually exclusive") /* This object maintains a correlation between attention timers and the windows to which they belong. It's lighter than a hashtable (expected usage is really just one at a time) and allows nsWindow::GetNSWindowPtr to remain private. */ class nsAttentionTimerMonitor { public: nsAttentionTimerMonitor() : mHeadTimer(0) { } ~nsAttentionTimerMonitor() { TimerInfo *current, *next; for (current = mHeadTimer; current; current = next) { next = current->next; delete current; } } void AddTimer(HWND timerWindow, HWND flashWindow, PRInt32 maxFlashCount, UINT timerID) { TimerInfo *info; PRBool newInfo = PR_FALSE; info = FindInfo(timerWindow); if (!info) { info = new TimerInfo; newInfo = PR_TRUE; } if (info) { info->timerWindow = timerWindow; info->flashWindow = flashWindow; info->maxFlashCount = maxFlashCount; info->flashCount = 0; info->timerID = timerID; info->hasFlashed = PR_FALSE; info->next = 0; if (newInfo) AppendTimer(info); } } HWND GetFlashWindowFor(HWND timerWindow) { TimerInfo *info = FindInfo(timerWindow); return info ? info->flashWindow : 0; } PRInt32 GetMaxFlashCount(HWND timerWindow) { TimerInfo *info = FindInfo(timerWindow); return info ? info->maxFlashCount : -1; } PRInt32 GetFlashCount(HWND timerWindow) { TimerInfo *info = FindInfo(timerWindow); return info ? info->flashCount : -1; } void IncrementFlashCount(HWND timerWindow) { TimerInfo *info = FindInfo(timerWindow); ++(info->flashCount); } void KillTimer(HWND timerWindow) { TimerInfo *info = FindInfo(timerWindow); if (info) { // make sure it's unflashed and kill the timer if (info->hasFlashed) ::FlashWindow(info->flashWindow, FALSE); ::KillTimer(info->timerWindow, info->timerID); RemoveTimer(info); delete info; } } void SetFlashed(HWND timerWindow) { TimerInfo *info = FindInfo(timerWindow); if (info) info->hasFlashed = PR_TRUE; } private: struct TimerInfo { HWND timerWindow, flashWindow; UINT timerID; PRInt32 maxFlashCount; PRInt32 flashCount; PRBool hasFlashed; TimerInfo *next; }; TimerInfo *FindInfo(HWND timerWindow) { TimerInfo *scan; for (scan = mHeadTimer; scan; scan = scan->next) if (scan->timerWindow == timerWindow) break; return scan; } void AppendTimer(TimerInfo *info) { if (!mHeadTimer) mHeadTimer = info; else { TimerInfo *scan, *last; for (scan = mHeadTimer; scan; scan = scan->next) last = scan; last->next = info; } } void RemoveTimer(TimerInfo *info) { TimerInfo *scan, *last = 0; for (scan = mHeadTimer; scan && scan != info; scan = scan->next) last = scan; if (scan) { if (last) last->next = scan->next; else mHeadTimer = scan->next; } } TimerInfo *mHeadTimer; }; static nsAttentionTimerMonitor *gAttentionTimerMonitor = 0; HWND nsWindow::GetTopLevelHWND(HWND aWnd, PRBool aStopOnDialogOrPopup) { HWND curWnd = aWnd; HWND topWnd = NULL; while (curWnd) { topWnd = curWnd; if (aStopOnDialogOrPopup) { DWORD style = ::GetWindowLongW(curWnd, GWL_STYLE); VERIFY_WINDOW_STYLE(style); if (!(style & WS_CHILD)) // first top-level window break; } curWnd = ::GetParent(curWnd); // Parent or owner (if has no parent) } return topWnd; } // Code to dispatch WM_SYSCOLORCHANGE message to all child windows. // WM_SYSCOLORCHANGE is only sent to top-level windows, but the // cross platform API requires that NS_SYSCOLORCHANGE message be sent to // all child windows as well. When running in an embedded application // we may not receive a WM_SYSCOLORCHANGE message because the top // level window is owned by the embeddor. Note: this code can be used to // dispatch other global messages (i.e messages that must be sent to all // nsIWidget instances. // Enumerate all child windows sending aMsg to each of them BOOL CALLBACK nsWindow::BroadcastMsgToChildren(HWND aWnd, LPARAM aMsg) { WNDPROC winProc = (WNDPROC)::GetWindowLongW(aWnd, GWL_WNDPROC); if (winProc == &nsWindow::WindowProc) { // it's one of our windows so go ahead and send a message to it ::CallWindowProcW(winProc, aWnd, aMsg, 0, 0); } return TRUE; } // Enumerate all top level windows specifying that the children of each // top level window should be enumerated. Do *not* send the message to // each top level window since it is assumed that the toolkit will send // aMsg to them directly. BOOL CALLBACK nsWindow::BroadcastMsg(HWND aTopWindow, LPARAM aMsg) { // Iterate each of aTopWindows child windows sending the aMsg // to each of them. EnumChildWindows(aTopWindow, nsWindow::BroadcastMsgToChildren, aMsg); return TRUE; } // This method is called from nsToolkit::WindowProc to forward global // messages which need to be dispatched to all child windows. void nsWindow::GlobalMsgWindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { switch (msg) { case WM_SYSCOLORCHANGE: // System color changes are posted to top-level windows only. // The NS_SYSCOLORCHANGE must be dispatched to all child // windows as well. ::EnumThreadWindows(GetCurrentThreadId(), nsWindow::BroadcastMsg, msg); break; } } // End of the methods to dispatch global messages //------------------------------------------------------------------------- // // nsWindow constructor // //------------------------------------------------------------------------- nsWindow::nsWindow() : nsBaseWidget() { #ifdef PR_LOGGING if (!sWindowsLog) sWindowsLog = PR_NewLogModule("nsWindowsWidgets"); #endif mWnd = 0; mPaintDC = 0; mPrevWndProc = NULL; mBackground = ::GetSysColor(COLOR_BTNFACE); mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground)); mForeground = ::GetSysColor(COLOR_WINDOWTEXT); mIsShiftDown = PR_FALSE; mIsControlDown = PR_FALSE; mIsAltDown = PR_FALSE; mIsDestroying = PR_FALSE; mOnDestroyCalled = PR_FALSE; mDeferredPositioner = NULL; mLastPoint.x = 0; mLastPoint.y = 0; mPreferredWidth = 0; mPreferredHeight = 0; mIsVisible = PR_FALSE; mHas3DBorder = PR_FALSE; #ifdef MOZ_XUL mTransparencyMode = eTransparencyOpaque; mTransparentSurface = nsnull; mMemoryDC = NULL; #endif mWindowType = eWindowType_child; mBorderStyle = eBorderStyle_default; mUnicodeWidget = PR_TRUE; mIsInMouseCapture = PR_FALSE; mIsInMouseWheelProcessing = PR_FALSE; mLastSize.width = 0; mLastSize.height = 0; mOldStyle = 0; mOldExStyle = 0; mPainting = 0; mOldIMC = NULL; mIMEEnabled = nsIWidget::IME_STATUS_ENABLED; mIsPluginWindow = PR_FALSE; mLeadByte = '\0'; mBlurEventSuppressionLevel = 0; static BOOL gbInitGlobalValue = FALSE; if (! gbInitGlobalValue) { gbInitGlobalValue = TRUE; #ifndef WINCE gKbdLayout.LoadLayout(::GetKeyboardLayout(0)); #endif // mouse message of MSIME98/2000 nsWindow::uWM_MSIME_MOUSE = ::RegisterWindowMessage(RWM_MOUSE); // Heap dump nsWindow::uWM_HEAP_DUMP = ::RegisterWindowMessageW(kMozHeapDumpMessageString); } mNativeDragTarget = nsnull; mIsTopWidgetWindow = PR_FALSE; mLastKeyboardLayout = 0; #ifdef NS_ENABLE_TSF if (!sInstanceCount) nsTextStore::Initialize(); #endif //NS_ENABLE_TSF #ifndef WINCE if (!sInstanceCount && SUCCEEDED(::OleInitialize(NULL))) { sIsOleInitialized = TRUE; } NS_ASSERTION(sIsOleInitialized, "***** OLE is not initialized!\n"); #endif sInstanceCount++; } //------------------------------------------------------------------------- // // nsWindow destructor // //------------------------------------------------------------------------- nsWindow::~nsWindow() { mIsDestroying = PR_TRUE; if (gCurrentWindow == this) { gCurrentWindow = nsnull; } MouseTrailer* mtrailer = nsToolkit::gMouseTrailer; if (mtrailer) { if (mtrailer->GetMouseTrailerWindow() == mWnd) mtrailer->DestroyTimer(); if (mtrailer->GetCaptureWindow() == mWnd) mtrailer->SetCaptureWindow(nsnull); } // If the widget was released without calling Destroy() then the native // window still exists, and we need to destroy it if (NULL != mWnd) { Destroy(); } if (mCursor == -1) { // A successfull SetCursor call will destroy the custom cursor, if it's ours SetCursor(eCursor_standard); } sInstanceCount--; #ifdef NS_ENABLE_TSF if (!sInstanceCount) nsTextStore::Terminate(); #endif //NS_ENABLE_TSF #ifndef WINCE // // delete any of the IME structures that we allocated // if (sInstanceCount == 0) { if (sIMECompUnicode) delete sIMECompUnicode; if (sIMEAttributeArray) delete [] sIMEAttributeArray; if (sIMECompClauseArray) delete [] sIMECompClauseArray; NS_IF_RELEASE(gCursorImgContainer); if (sIsOleInitialized) { ::OleFlushClipboard(); ::OleUninitialize(); sIsOleInitialized = FALSE; } } NS_IF_RELEASE(mNativeDragTarget); #endif } NS_IMPL_ISUPPORTS_INHERITED0(nsWindow, nsBaseWidget) NS_METHOD nsWindow::CaptureMouse(PRBool aCapture) { if (!nsToolkit::gMouseTrailer) { NS_ERROR("nsWindow::CaptureMouse called after nsToolkit destroyed"); return NS_OK; } if (aCapture) { nsToolkit::gMouseTrailer->SetCaptureWindow(mWnd); ::SetCapture(mWnd); } else { nsToolkit::gMouseTrailer->SetCaptureWindow(NULL); ::ReleaseCapture(); } mIsInMouseCapture = aCapture; return NS_OK; } //------------------------------------------------------------------------- // // Default for height modification is to do nothing // //------------------------------------------------------------------------- PRInt32 nsWindow::GetHeight(PRInt32 aProposedHeight) { return(aProposedHeight); } //------------------------------------------------------------------------- // // Deferred Window positioning // //------------------------------------------------------------------------- NS_METHOD nsWindow::BeginResizingChildren(void) { if (NULL == mDeferredPositioner) mDeferredPositioner = ::BeginDeferWindowPos(1); return NS_OK; } NS_METHOD nsWindow::EndResizingChildren(void) { if (NULL != mDeferredPositioner) { ::EndDeferWindowPos(mDeferredPositioner); mDeferredPositioner = NULL; } return NS_OK; } NS_METHOD nsWindow::WidgetToScreen(const nsIntRect& aOldRect, nsIntRect& aNewRect) { POINT point; point.x = aOldRect.x; point.y = aOldRect.y; ::ClientToScreen(mWnd, &point); aNewRect.x = point.x; aNewRect.y = point.y; aNewRect.width = aOldRect.width; aNewRect.height = aOldRect.height; return NS_OK; } NS_METHOD nsWindow::ScreenToWidget(const nsIntRect& aOldRect, nsIntRect& aNewRect) { POINT point; point.x = aOldRect.x; point.y = aOldRect.y; ::ScreenToClient(mWnd, &point); aNewRect.x = point.x; aNewRect.y = point.y; aNewRect.width = aOldRect.width; aNewRect.height = aOldRect.height; return NS_OK; } LPARAM nsWindow::lParamToScreen(LPARAM lParam) { POINT pt; pt.x = GET_X_LPARAM(lParam); pt.y = GET_Y_LPARAM(lParam); ::ClientToScreen(mWnd, &pt); return MAKELPARAM(pt.x, pt.y); } LPARAM nsWindow::lParamToClient(LPARAM lParam) { POINT pt; pt.x = GET_X_LPARAM(lParam); pt.y = GET_Y_LPARAM(lParam); ::ScreenToClient(mWnd, &pt); return MAKELPARAM(pt.x, pt.y); } //------------------------------------------------------------------------- // // Initialize an event to dispatch // //------------------------------------------------------------------------- void nsWindow::InitEvent(nsGUIEvent& event, nsIntPoint* aPoint) { if (nsnull == aPoint) { // use the point from the event // get the message position in client coordinates if (mWnd != NULL) { DWORD pos = ::GetMessagePos(); POINT cpos; cpos.x = GET_X_LPARAM(pos); cpos.y = GET_Y_LPARAM(pos); ::ScreenToClient(mWnd, &cpos); event.refPoint.x = cpos.x; event.refPoint.y = cpos.y; } else { event.refPoint.x = 0; event.refPoint.y = 0; } } else { // use the point override if provided event.refPoint.x = aPoint->x; event.refPoint.y = aPoint->y; } event.time = ::GetMessageTime(); mLastPoint = event.refPoint; } /* In some circumstances (opening dependent windows) it makes more sense (and fixes a crash bug) to not blur the parent window. */ void nsWindow::SuppressBlurEvents(PRBool aSuppress) { if (aSuppress) ++mBlurEventSuppressionLevel; // for this widget else { NS_ASSERTION(mBlurEventSuppressionLevel > 0, "unbalanced blur event suppression"); if (mBlurEventSuppressionLevel > 0) --mBlurEventSuppressionLevel; } } PRBool nsWindow::BlurEventsSuppressed() { // are they suppressed in this window? if (mBlurEventSuppressionLevel > 0) return PR_TRUE; // are they suppressed by any container widget? HWND parentWnd = ::GetParent(mWnd); if (parentWnd) { nsWindow *parent = GetNSWindowPtr(parentWnd); if (parent) return parent->BlurEventsSuppressed(); } return PR_FALSE; } //------------------------------------------------------------------------- // // Invokes callback and ProcessEvent method on Event Listener object // //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::DispatchEvent(nsGUIEvent* event, nsEventStatus & aStatus) { #ifdef NS_DEBUG debug_DumpEvent(stdout, event->widget, event, nsCAutoString("something"), (PRInt32) mWnd); #endif // NS_DEBUG aStatus = nsEventStatus_eIgnore; // skip processing of suppressed blur events if ((event->message == NS_DEACTIVATE || event->message == NS_LOSTFOCUS) && BlurEventsSuppressed()) return NS_OK; if (nsnull != mEventCallback) { aStatus = (*mEventCallback)(event); } // Dispatch to event listener if event was not consumed if ((aStatus != nsEventStatus_eIgnore) && (nsnull != mEventListener)) { aStatus = mEventListener->ProcessEvent(*event); } // the window can be destroyed during processing of seemingly innocuous events like, say, // mousedowns due to the magic of scripting. mousedowns will return nsEventStatus_eIgnore, // which causes problems with the deleted window. therefore: if (mOnDestroyCalled) aStatus = nsEventStatus_eConsumeNoDefault; return NS_OK; } //------------------------------------------------------------------------- PRBool nsWindow::DispatchWindowEvent(nsGUIEvent* event) { nsEventStatus status; DispatchEvent(event, status); return ConvertStatus(status); } PRBool nsWindow::DispatchWindowEvent(nsGUIEvent* event, nsEventStatus &aStatus) { DispatchEvent(event, aStatus); return ConvertStatus(aStatus); } //------------------------------------------------------------------------- // // Dispatch standard event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchStandardEvent(PRUint32 aMsg) { nsGUIEvent event(PR_TRUE, aMsg, this); InitEvent(event); PRBool result = DispatchWindowEvent(&event); return result; } //------------------------------------------------------------------------- // // Dispatch app command event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchCommandEvent(PRUint32 aEventCommand) { nsCOMPtr command; switch (aEventCommand) { case APPCOMMAND_BROWSER_BACKWARD: command = nsWidgetAtoms::Back; break; case APPCOMMAND_BROWSER_FORWARD: command = nsWidgetAtoms::Forward; break; case APPCOMMAND_BROWSER_REFRESH: command = nsWidgetAtoms::Reload; break; case APPCOMMAND_BROWSER_STOP: command = nsWidgetAtoms::Stop; break; case APPCOMMAND_BROWSER_SEARCH: command = nsWidgetAtoms::Search; break; case APPCOMMAND_BROWSER_FAVORITES: command = nsWidgetAtoms::Bookmarks; break; case APPCOMMAND_BROWSER_HOME: command = nsWidgetAtoms::Home; break; default: return PR_FALSE; } nsCommandEvent event(PR_TRUE, nsWidgetAtoms::onAppCommand, command, this); InitEvent(event); DispatchWindowEvent(&event); return PR_TRUE; } //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::CaptureRollupEvents(nsIRollupListener * aListener, PRBool aDoCapture, PRBool aConsumeRollupEvent) { if (aDoCapture) { /* we haven't bothered carrying a weak reference to gRollupWidget because we believe lifespan is properly scoped. this next assertion helps assure that remains true. */ NS_ASSERTION(!gRollupWidget, "rollup widget reassigned before release"); gRollupConsumeRollupEvent = aConsumeRollupEvent; NS_IF_RELEASE(gRollupListener); NS_IF_RELEASE(gRollupWidget); gRollupListener = aListener; NS_ADDREF(aListener); gRollupWidget = this; NS_ADDREF(this); #ifndef WINCE if (!gMsgFilterHook && !gCallProcHook && !gCallMouseHook) { RegisterSpecialDropdownHooks(); } gProcessHook = PR_TRUE; #endif } else { NS_IF_RELEASE(gRollupListener); NS_IF_RELEASE(gRollupWidget); #ifndef WINCE gProcessHook = PR_FALSE; UnregisterSpecialDropdownHooks(); #endif } return NS_OK; } PRBool nsWindow::EventIsInsideWindow(UINT Msg, nsWindow* aWindow) { RECT r; #ifndef WINCE if (Msg == WM_ACTIVATEAPP) // don't care about activation/deactivation return PR_FALSE; #else if (Msg == WM_ACTIVATE) // but on Windows CE we do care about // activation/deactivation because there doesn't exist // cancelable Mouse Activation events return PR_TRUE; #endif ::GetWindowRect(aWindow->mWnd, &r); DWORD pos = ::GetMessagePos(); POINT mp; mp.x = GET_X_LPARAM(pos); mp.y = GET_Y_LPARAM(pos); // was the event inside this window? return (PRBool) PtInRect(&r, mp); } static PRUnichar sPropName[40] = L""; static PRUnichar* GetNSWindowPropName() { if (!*sPropName) { _snwprintf(sPropName, 39, L"MozillansIWidgetPtr%p", GetCurrentProcessId()); sPropName[39] = '\0'; } return sPropName; } nsWindow * nsWindow::GetNSWindowPtr(HWND aWnd) { return (nsWindow *) ::GetPropW(aWnd, GetNSWindowPropName()); } BOOL nsWindow::SetNSWindowPtr(HWND aWnd, nsWindow * ptr) { if (ptr == NULL) { ::RemovePropW(aWnd, GetNSWindowPropName()); return TRUE; } else { return ::SetPropW(aWnd, GetNSWindowPropName(), (HANDLE)ptr); } } //------------------------------------------------------------------------- // // the nsWindow procedure for all nsWindows in this toolkit // //------------------------------------------------------------------------- LRESULT CALLBACK nsWindow::WindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) { // create this here so that we store the last rolled up popup until after // the event has been processed. nsAutoRollup autoRollup; LRESULT popupHandlingResult; if ( DealWithPopups(hWnd, msg, wParam, lParam, &popupHandlingResult) ) return popupHandlingResult; // Get the window which caused the event and ask it to process the message nsWindow *someWindow = GetNSWindowPtr(hWnd); // XXX This fixes 50208 and we are leaving 51174 open to further investigate // why we are hitting this assert if (nsnull == someWindow) { NS_ASSERTION(someWindow, "someWindow is null, cannot call any CallWindowProc"); return ::DefWindowProcW(hWnd, msg, wParam, lParam); } // hold on to the window for the life of this method, in case it gets // deleted during processing. yes, it's a double hack, since someWindow // is not really an interface. nsCOMPtr kungFuDeathGrip; if (!someWindow->mIsDestroying) // not if we're in the destructor! kungFuDeathGrip = do_QueryInterface((nsBaseWidget*)someWindow); // Re-direct a tab change message destined for its parent window to the // the actual window which generated the event. if (msg == WM_NOTIFY) { LPNMHDR pnmh = (LPNMHDR) lParam; if (pnmh->code == TCN_SELCHANGE) { someWindow = GetNSWindowPtr(pnmh->hwndFrom); } } if (nsnull != someWindow) { LRESULT retValue; if (PR_TRUE == someWindow->ProcessMessage(msg, wParam, lParam, &retValue)) { return retValue; } } return ::CallWindowProcW(someWindow->GetPrevWindowProc(), hWnd, msg, wParam, lParam); } //WINOLEAPI oleStatus; //------------------------------------------------------------------------- // // Utility method for implementing both Create(nsIWidget ...) and // Create(nsNativeWidget...) //------------------------------------------------------------------------- nsresult nsWindow::StandardWindowCreate(nsIWidget *aParent, const nsIntRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData, nsNativeWidget aNativeParent) { nsIWidget *baseParent = aInitData && (aInitData->mWindowType == eWindowType_dialog || aInitData->mWindowType == eWindowType_toplevel || aInitData->mWindowType == eWindowType_invisible) ? nsnull : aParent; mIsTopWidgetWindow = (nsnull == baseParent); mBounds.width = aRect.width; mBounds.height = aRect.height; BaseCreate(baseParent, aRect, aHandleEventFunction, aContext, aAppShell, aToolkit, aInitData); // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... nsToolkit* toolkit = (nsToolkit *)mToolkit; if (toolkit && !toolkit->IsGuiThread()) { DWORD args[7]; args[0] = (DWORD)aParent; args[1] = (DWORD)&aRect; args[2] = (DWORD)aHandleEventFunction; args[3] = (DWORD)aContext; args[4] = (DWORD)aAppShell; args[5] = (DWORD)aToolkit; args[6] = (DWORD)aInitData; if (nsnull != aParent) { // nsIWidget parent dispatch MethodInfo info(this, nsWindow::CREATE, 7, args); toolkit->CallMethod(&info); return NS_OK; } else { // Native parent dispatch MethodInfo info(this, nsWindow::CREATE_NATIVE, 5, args); toolkit->CallMethod(&info); return NS_OK; } } HWND parent; if (nsnull != aParent) { // has a nsIWidget parent parent = ((aParent) ? (HWND)aParent->GetNativeData(NS_NATIVE_WINDOW) : nsnull); } else { // has a nsNative parent parent = (HWND)aNativeParent; } if (nsnull != aInitData) { SetWindowType(aInitData->mWindowType); SetBorderStyle(aInitData->mBorderStyle); } mContentType = aInitData ? aInitData->mContentType : eContentTypeInherit; DWORD style = WindowStyle(); DWORD extendedStyle = WindowExStyle(); if (mWindowType == eWindowType_popup) { // if a parent was specified, don't use WS_EX_TOPMOST so that the popup // only appears above the parent, instead of all windows if (aParent) extendedStyle = WS_EX_TOOLWINDOW; else parent = NULL; } else if (nsnull != aInitData) { // See if the caller wants to explictly set clip children and clip siblings if (aInitData->clipChildren) { style |= WS_CLIPCHILDREN; } else { style &= ~WS_CLIPCHILDREN; } if (aInitData->clipSiblings) { style |= WS_CLIPSIBLINGS; } } mHas3DBorder = (extendedStyle & WS_EX_CLIENTEDGE) > 0; mWnd = ::CreateWindowExW(extendedStyle, aInitData && aInitData->mDropShadow ? WindowPopupClass() : WindowClass(), L"", style, aRect.x, aRect.y, aRect.width, GetHeight(aRect.height), parent, NULL, nsToolkit::mDllInstance, NULL); if (!mWnd) return NS_ERROR_FAILURE; /*mNativeDragTarget = new nsNativeDragTarget(this); if (NULL != mNativeDragTarget) { mNativeDragTarget->AddRef(); if (S_OK == ::CoLockObjectExternal((LPUNKNOWN)mNativeDragTarget,TRUE,FALSE)) { if (S_OK == ::RegisterDragDrop(mWnd, (LPDROPTARGET)mNativeDragTarget)) { } } }*/ // call the event callback to notify about creation DispatchStandardEvent(NS_CREATE); SubclassWindow(TRUE); if (gTrimOnMinimize == 2 && mWindowType == eWindowType_invisible) { /* The internal variable set by the config.trim_on_minimize pref has not yet been initialized, and this is the hidden window (conveniently created before any visible windows, and after the profile has been initialized). Default config.trim_on_minimize to false, to fix bug 76831 for good. If anyone complains about this new default, saying that a Mozilla app hogs too much memory while minimized, they will have that entire bug tattooed on their backside. */ gTrimOnMinimize = 0; nsCOMPtr prefs = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefs) { nsCOMPtr prefBranch; prefs->GetBranch(0, getter_AddRefs(prefBranch)); if (prefBranch) { PRBool temp; if (NS_SUCCEEDED(prefBranch->GetBoolPref("config.trim_on_minimize", &temp)) && temp) gTrimOnMinimize = 1; if (NS_SUCCEEDED(prefBranch->GetBoolPref("intl.keyboard.per_window_layout", &temp))) gSwitchKeyboardLayout = temp; if (NS_SUCCEEDED(prefBranch->GetBoolPref("mozilla.widget.disable-native-theme", &temp))) gDisableNativeTheme = temp; } } } #ifdef WINCE if (mWindowType == eWindowType_dialog || mWindowType == eWindowType_toplevel ) CreateSoftKeyMenuBar(mWnd); #endif return NS_OK; } //------------------------------------------------------------------------- // // Create the proper widget // //------------------------------------------------------------------------- NS_METHOD nsWindow::Create(nsIWidget *aParent, const nsIntRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData) { if (aInitData) mUnicodeWidget = aInitData->mUnicode; return(StandardWindowCreate(aParent, aRect, aHandleEventFunction, aContext, aAppShell, aToolkit, aInitData, nsnull)); } //------------------------------------------------------------------------- // // create with a native parent // //------------------------------------------------------------------------- NS_METHOD nsWindow::Create(nsNativeWidget aParent, const nsIntRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData) { if (aInitData) mUnicodeWidget = aInitData->mUnicode; return(StandardWindowCreate(nsnull, aRect, aHandleEventFunction, aContext, aAppShell, aToolkit, aInitData, aParent)); } //------------------------------------------------------------------------- // // Close this nsWindow // //------------------------------------------------------------------------- NS_METHOD nsWindow::Destroy() { // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... nsToolkit* toolkit = (nsToolkit *)mToolkit; if (toolkit != nsnull && !toolkit->IsGuiThread()) { MethodInfo info(this, nsWindow::DESTROY); toolkit->CallMethod(&info); return NS_ERROR_FAILURE; } // disconnect from the parent if (!mIsDestroying) { nsBaseWidget::Destroy(); } // just to be safe. If we're going away and for some reason we're still // the rollup widget, rollup and turn off capture. if ( this == gRollupWidget ) { if ( gRollupListener ) gRollupListener->Rollup(nsnull); CaptureRollupEvents(nsnull, PR_FALSE, PR_TRUE); } EnableDragDrop(PR_FALSE); // destroy the HWND if (mWnd) { // prevent the widget from causing additional events mEventCallback = nsnull; if (gAttentionTimerMonitor) gAttentionTimerMonitor->KillTimer(mWnd); // if IME is disabled, restore it. if (mOldIMC) { mOldIMC = ::ImmAssociateContext(mWnd, mOldIMC); NS_ASSERTION(!mOldIMC, "Another IMC was associated"); } HICON icon; icon = (HICON) ::SendMessageW(mWnd, WM_SETICON, (WPARAM)ICON_BIG, (LPARAM) 0); if (icon) ::DestroyIcon(icon); icon = (HICON) ::SendMessageW(mWnd, WM_SETICON, (WPARAM)ICON_SMALL, (LPARAM) 0); if (icon) ::DestroyIcon(icon); #ifdef MOZ_XUL if (eTransparencyTransparent == mTransparencyMode) { SetupTranslucentWindowMemoryBitmap(eTransparencyOpaque); } #endif VERIFY(::DestroyWindow(mWnd)); mWnd = NULL; //our windows can be subclassed by //others and these nameless, faceless others //may not let us know about WM_DESTROY. so, //if OnDestroy() didn't get called, just call //it now. MMP if (PR_FALSE == mOnDestroyCalled) OnDestroy(); } return NS_OK; } NS_IMETHODIMP nsWindow::SetParent(nsIWidget *aNewParent) { if (aNewParent) { nsCOMPtr kungFuDeathGrip(this); nsIWidget* parent = GetParent(); if (parent) { parent->RemoveChild(this); } HWND newParent = (HWND)aNewParent->GetNativeData(NS_NATIVE_WINDOW); NS_ASSERTION(newParent, "Parent widget has a null native window handle"); if (newParent && mWnd) { ::SetParent(mWnd, newParent); } aNewParent->AddChild(this); return NS_OK; } nsCOMPtr kungFuDeathGrip(this); nsIWidget* parent = GetParent(); if (parent) { parent->RemoveChild(this); } if (mWnd) { ::SetParent(mWnd, nsnull); } return NS_OK; } //------------------------------------------------------------------------- // // Get this nsWindow parent // //------------------------------------------------------------------------- nsIWidget* nsWindow::GetParent(void) { return GetParentWindow(); } nsWindow* nsWindow::GetParentWindow() { if (mIsTopWidgetWindow) { // Must use a flag instead of mWindowType to tell if the window is the // owned by the topmost widget, because a child window can be embedded inside // a HWND which is not associated with a nsIWidget. return nsnull; } // If this widget has already been destroyed, pretend we have no parent. // This corresponds to code in Destroy which removes the destroyed // widget from its parent's child list. if (mIsDestroying || mOnDestroyCalled) return nsnull; nsWindow* widget = nsnull; if (mWnd) { HWND parent = ::GetParent(mWnd); if (parent) { widget = GetNSWindowPtr(parent); if (widget) { // If the widget is in the process of being destroyed then // do NOT return it if (widget->mIsDestroying) { widget = nsnull; } } } } return widget; } //------------------------------------------------------------------------- // // Hide or show this component // //------------------------------------------------------------------------- PRBool gWindowsVisible; static BOOL CALLBACK gEnumWindowsProc(HWND hwnd, LPARAM lParam) { DWORD pid; ::GetWindowThreadProcessId(hwnd, &pid); if (pid == GetCurrentProcessId() && ::IsWindowVisible(hwnd)) { gWindowsVisible = PR_TRUE; return FALSE; } return TRUE; } PRBool nsWindow::CanTakeFocus() { gWindowsVisible = PR_FALSE; EnumWindows(gEnumWindowsProc, 0); if (!gWindowsVisible) { return PR_TRUE; } else { HWND fgWnd = ::GetForegroundWindow(); if (!fgWnd) { return PR_TRUE; } DWORD pid; GetWindowThreadProcessId(fgWnd, &pid); if (pid == GetCurrentProcessId()) { return PR_TRUE; } } return PR_FALSE; } NS_METHOD nsWindow::Show(PRBool bState) { PRBool wasVisible = mIsVisible; // Set the status now so that anyone asking during ShowWindow or // SetWindowPos would get the correct answer. mIsVisible = bState; if (mWnd) { if (bState) { if (!wasVisible && mWindowType == eWindowType_toplevel) { switch (mSizeMode) { case nsSizeMode_Maximized : #ifdef WINCE ::SetForegroundWindow(mWnd); #endif ::ShowWindow(mWnd, SW_SHOWMAXIMIZED); break; #ifndef WINCE case nsSizeMode_Minimized : ::ShowWindow(mWnd, SW_SHOWMINIMIZED); break; #endif default: if (CanTakeFocus()) { #ifdef WINCE ::SetForegroundWindow(mWnd); #endif ::ShowWindow(mWnd, SW_SHOWNORMAL); } else { // Place the window behind the foreground window // (as long as it is not topmost) HWND wndAfter = ::GetForegroundWindow(); if (!wndAfter) wndAfter = HWND_BOTTOM; else if (GetWindowLong(wndAfter, GWL_EXSTYLE) & WS_EX_TOPMOST) wndAfter = HWND_TOP; ::SetWindowPos(mWnd, wndAfter, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); GetAttention(2); } break; } } else { DWORD flags = SWP_NOSIZE | SWP_NOMOVE | SWP_SHOWWINDOW; if (wasVisible) flags |= SWP_NOZORDER; if (mWindowType == eWindowType_popup) { #ifndef WINCE // ensure popups are the topmost of the TOPMOST // layer. Remember not to set the SWP_NOZORDER // flag as that might allow the taskbar to overlap // the popup. However on windows ce, we need to // activate the popup or clicks will not be sent. flags |= SWP_NOACTIVATE; #endif HWND owner = ::GetWindow(mWnd, GW_OWNER); ::SetWindowPos(mWnd, owner ? 0 : HWND_TOPMOST, 0, 0, 0, 0, flags); } else { ::SetWindowPos(mWnd, HWND_TOP, 0, 0, 0, 0, flags); } } } else { if (mWindowType != eWindowType_dialog) { ::ShowWindow(mWnd, SW_HIDE); } else { ::SetWindowPos(mWnd, 0, 0, 0, 0, 0, SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE); } } } #ifdef MOZ_XUL if (!wasVisible && bState) Invalidate(PR_FALSE); #endif return NS_OK; } //------------------------------------------------------------------------- // // Return PR_TRUE if the whether the component is visible, PR_FALSE otherwise // //------------------------------------------------------------------------- NS_METHOD nsWindow::IsVisible(PRBool & bState) { bState = mIsVisible; return NS_OK; } //------------------------------------------------------------------------- // // Position the window behind the given window // //------------------------------------------------------------------------- NS_METHOD nsWindow::PlaceBehind(nsTopLevelWidgetZPlacement aPlacement, nsIWidget *aWidget, PRBool aActivate) { HWND behind = HWND_TOP; if (aPlacement == eZPlacementBottom) behind = HWND_BOTTOM; else if (aPlacement == eZPlacementBelow && aWidget) behind = (HWND)aWidget->GetNativeData(NS_NATIVE_WINDOW); UINT flags = SWP_NOMOVE | SWP_NOREPOSITION | SWP_NOSIZE; if (!aActivate) flags |= SWP_NOACTIVATE; if (!CanTakeFocus() && behind == HWND_TOP) { // Can't place the window to top so place it behind the foreground window // (as long as it is not topmost) HWND wndAfter = ::GetForegroundWindow(); if (!wndAfter) behind = HWND_BOTTOM; else if (!(GetWindowLong(wndAfter, GWL_EXSTYLE) & WS_EX_TOPMOST)) behind = wndAfter; flags |= SWP_NOACTIVATE; } ::SetWindowPos(mWnd, behind, 0, 0, 0, 0, flags); return NS_OK; } //------------------------------------------------------------------------- // // Maximize, minimize or restore the window. // //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::SetSizeMode(PRInt32 aMode) { nsresult rv; // Let's not try and do anything if we're already in that state. // (This is needed to prevent problems when calling window.minimize(), which // calls us directly, and then the OS triggers another call to us.) if (aMode == mSizeMode) return NS_OK; #ifdef WINCE // on windows mobile, dialogs and top level windows are full screen // This is partly due to the lack of a GetWindowPlacement. if (mWindowType == eWindowType_dialog || mWindowType == eWindowType_toplevel) { aMode = nsSizeMode_Maximized; } #endif // save the requested state rv = nsBaseWidget::SetSizeMode(aMode); if (NS_SUCCEEDED(rv) && mIsVisible) { int mode; switch (aMode) { case nsSizeMode_Maximized : mode = SW_MAXIMIZE; break; #ifndef WINCE case nsSizeMode_Minimized : mode = gTrimOnMinimize ? SW_MINIMIZE : SW_SHOWMINIMIZED; if (!gTrimOnMinimize) { // Find the next window that is visible and not minimized. HWND hwndBelow = ::GetNextWindow(mWnd, GW_HWNDNEXT); while (hwndBelow && (!::IsWindowVisible(hwndBelow) || ::IsIconic(hwndBelow))) { hwndBelow = ::GetNextWindow(hwndBelow, GW_HWNDNEXT); } // Push ourselves to the bottom of the stack, then activate the // next window. ::SetWindowPos(mWnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); if (hwndBelow) ::SetForegroundWindow(hwndBelow); // Play the minimize sound while we're here, since that is also // forgotten when we use SW_SHOWMINIMIZED. ::PlaySoundW(L"Minimize", nsnull, SND_ALIAS | SND_NODEFAULT | SND_ASYNC); } break; #endif default : mode = SW_RESTORE; } ::ShowWindow(mWnd, mode); } return rv; } //------------------------------------------------------------------------- // Return PR_TRUE in aForWindow if the given event should be processed // assuming this is a modal window. //------------------------------------------------------------------------- NS_METHOD nsWindow::ModalEventFilter(PRBool aRealEvent, void *aEvent, PRBool *aForWindow) { if (!aRealEvent) { *aForWindow = PR_FALSE; return NS_OK; } #if 0 // this version actually works, but turns out to be unnecessary // if we use the OS properly. MSG *msg = (MSG *) aEvent; switch (msg->message) { case WM_MOUSEMOVE: case WM_LBUTTONDOWN: case WM_LBUTTONUP: case WM_LBUTTONDBLCLK: case WM_MBUTTONDOWN: case WM_MBUTTONUP: case WM_MBUTTONDBLCLK: case WM_RBUTTONDOWN: case WM_RBUTTONUP: case WM_RBUTTONDBLCLK: { PRBool acceptEvent; // is the event within our window? HWND rollupWindow = NULL; HWND msgWindow = GetTopLevelHWND(msg->hwnd); if (gRollupWidget) rollupWindow = (HWND)gRollupWidget->GetNativeData(NS_NATIVE_WINDOW); acceptEvent = msgWindow && (msgWindow == mWnd || msgWindow == rollupWindow) ? PR_TRUE : PR_FALSE; // if not, accept events for any window that hasn't been disabled. if (!acceptEvent) { LONG proc = ::GetWindowLongW(msgWindow, GWL_WNDPROC); if (proc == (LONG)&nsWindow::WindowProc) { nsWindow *msgWin = GetNSWindowPtr(msgWindow); msgWin->IsEnabled(&acceptEvent); } } } break; default: *aForWindow = PR_TRUE; } #else *aForWindow = PR_TRUE; #endif return NS_OK; } //------------------------------------------------------------------------- // // Constrain a potential move to fit onscreen // //------------------------------------------------------------------------- NS_METHOD nsWindow::ConstrainPosition(PRBool aAllowSlop, PRInt32 *aX, PRInt32 *aY) { if (!mIsTopWidgetWindow) // only a problem for top-level windows return NS_OK; PRBool doConstrain = PR_FALSE; // whether we have enough info to do anything /* get our playing field. use the current screen, or failing that for any reason, use device caps for the default screen. */ RECT screenRect; nsCOMPtr screenmgr = do_GetService(sScreenManagerContractID); if (screenmgr) { nsCOMPtr screen; PRInt32 left, top, width, height; // zero size rects confuse the screen manager width = mBounds.width > 0 ? mBounds.width : 1; height = mBounds.height > 0 ? mBounds.height : 1; screenmgr->ScreenForRect(*aX, *aY, width, height, getter_AddRefs(screen)); if (screen) { screen->GetAvailRect(&left, &top, &width, &height); screenRect.left = left; screenRect.right = left+width; screenRect.top = top; screenRect.bottom = top+height; doConstrain = PR_TRUE; } } else { if (mWnd) { HDC dc = ::GetDC(mWnd); if (dc) { if (::GetDeviceCaps(dc, TECHNOLOGY) == DT_RASDISPLAY) { ::SystemParametersInfo(SPI_GETWORKAREA, 0, &screenRect, 0); doConstrain = PR_TRUE; } ::ReleaseDC(mWnd, dc); } } } if (aAllowSlop) { if (*aX < screenRect.left - mBounds.width + kWindowPositionSlop) *aX = screenRect.left - mBounds.width + kWindowPositionSlop; else if (*aX >= screenRect.right - kWindowPositionSlop) *aX = screenRect.right - kWindowPositionSlop; if (*aY < screenRect.top - mBounds.height + kWindowPositionSlop) *aY = screenRect.top - mBounds.height + kWindowPositionSlop; else if (*aY >= screenRect.bottom - kWindowPositionSlop) *aY = screenRect.bottom - kWindowPositionSlop; } else { if (*aX < screenRect.left) *aX = screenRect.left; else if (*aX >= screenRect.right - mBounds.width) *aX = screenRect.right - mBounds.width; if (*aY < screenRect.top) *aY = screenRect.top; else if (*aY >= screenRect.bottom - mBounds.height) *aY = screenRect.bottom - mBounds.height; } return NS_OK; } //------------------------------------------------------------------------- // // Move this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Move(PRInt32 aX, PRInt32 aY) { // Check to see if window needs to be moved first // to avoid a costly call to SetWindowPos. This check // can not be moved to the calling code in nsView, because // some platforms do not position child windows correctly // Only perform this check for non-popup windows, since the positioning can // in fact change even when the x/y do not. We always need to perform the // check. See bug #97805 for details. if (mWindowType != eWindowType_popup && (mBounds.x == aX) && (mBounds.y == aY)) { // Nothing to do, since it is already positioned correctly. return NS_OK; } mBounds.x = aX; mBounds.y = aY; if (mWnd) { #ifdef DEBUG // complain if a window is moved offscreen (legal, but potentially worrisome) if (mIsTopWidgetWindow) { // only a problem for top-level windows // Make sure this window is actually on the screen before we move it // XXX: Needs multiple monitor support HDC dc = ::GetDC(mWnd); if (dc) { if (::GetDeviceCaps(dc, TECHNOLOGY) == DT_RASDISPLAY) { RECT workArea; ::SystemParametersInfo(SPI_GETWORKAREA, 0, &workArea, 0); // no annoying assertions. just mention the issue. if (aX < 0 || aX >= workArea.right || aY < 0 || aY >= workArea.bottom) printf("window moved to offscreen position\n"); } ::ReleaseDC(mWnd, dc); } } #endif nsIWidget *par = GetParent(); HDWP deferrer = NULL; if (nsnull != par) { deferrer = ((nsWindow *)par)->mDeferredPositioner; } if (NULL != deferrer) { VERIFY(((nsWindow *)par)->mDeferredPositioner = ::DeferWindowPos(deferrer, mWnd, NULL, aX, aY, 0, 0, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE)); } else { VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, 0, 0, SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE)); } } return NS_OK; } //------------------------------------------------------------------------- // // Resize this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Resize(PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint) { NS_ASSERTION((aWidth >=0 ) , "Negative width passed to nsWindow::Resize"); NS_ASSERTION((aHeight >=0 ), "Negative height passed to nsWindow::Resize"); #ifdef MOZ_XUL if (eTransparencyTransparent == mTransparencyMode) ResizeTranslucentWindow(aWidth, aHeight); #endif // Set cached value for lightweight and printing mBounds.width = aWidth; mBounds.height = aHeight; if (mWnd) { nsIWidget *par = GetParent(); HDWP deferrer = NULL; if (nsnull != par) { deferrer = ((nsWindow *)par)->mDeferredPositioner; } UINT flags = SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE; #ifndef WINCE if (!aRepaint) { flags |= SWP_NOREDRAW; } #endif if (NULL != deferrer) { VERIFY(((nsWindow *)par)->mDeferredPositioner = ::DeferWindowPos(deferrer, mWnd, NULL, 0, 0, aWidth, GetHeight(aHeight), flags)); } else { VERIFY(::SetWindowPos(mWnd, NULL, 0, 0, aWidth, GetHeight(aHeight), flags)); } } if (aRepaint) Invalidate(PR_FALSE); return NS_OK; } //------------------------------------------------------------------------- // // Resize this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Resize(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint) { NS_ASSERTION((aWidth >=0 ), "Negative width passed to nsWindow::Resize"); NS_ASSERTION((aHeight >=0 ), "Negative height passed to nsWindow::Resize"); #ifdef MOZ_XUL if (eTransparencyTransparent == mTransparencyMode) ResizeTranslucentWindow(aWidth, aHeight); #endif // Set cached value for lightweight and printing mBounds.x = aX; mBounds.y = aY; mBounds.width = aWidth; mBounds.height = aHeight; if (mWnd) { nsIWidget *par = GetParent(); HDWP deferrer = NULL; if (nsnull != par) { deferrer = ((nsWindow *)par)->mDeferredPositioner; } UINT flags = SWP_NOZORDER | SWP_NOACTIVATE; #ifndef WINCE if (!aRepaint) { flags |= SWP_NOREDRAW; } #endif if (NULL != deferrer) { VERIFY(((nsWindow *)par)->mDeferredPositioner = ::DeferWindowPos(deferrer, mWnd, NULL, aX, aY, aWidth, GetHeight(aHeight), flags)); } else { VERIFY(::SetWindowPos(mWnd, NULL, aX, aY, aWidth, GetHeight(aHeight), flags)); } } if (aRepaint) Invalidate(PR_FALSE); return NS_OK; } //------------------------------------------------------------------------- // // Enable/disable this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::Enable(PRBool bState) { if (mWnd) { ::EnableWindow(mWnd, bState); } return NS_OK; } NS_METHOD nsWindow::IsEnabled(PRBool *aState) { NS_ENSURE_ARG_POINTER(aState); #ifndef WINCE *aState = !mWnd || (::IsWindowEnabled(mWnd) && ::IsWindowEnabled(::GetAncestor(mWnd, GA_ROOT))); #else *aState = !mWnd || (::IsWindowEnabled(mWnd) && ::IsWindowEnabled(mWnd)); #endif return NS_OK; } //------------------------------------------------------------------------- // // Give the focus to this component // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetFocus(PRBool aRaise) { // // Switch to the "main gui thread" if necessary... This method must // be executed on the "gui thread"... // nsToolkit* toolkit = (nsToolkit *)mToolkit; NS_ASSERTION(toolkit != nsnull, "This should never be null!"); // Bug 57044 if (toolkit != nsnull && !toolkit->IsGuiThread()) { MethodInfo info(this, nsWindow::SET_FOCUS); toolkit->CallMethod(&info); return NS_ERROR_FAILURE; } if (mWnd) { // Uniconify, if necessary HWND toplevelWnd = GetTopLevelHWND(mWnd); if (::IsIconic(toplevelWnd)) ::ShowWindow(toplevelWnd, SW_RESTORE); ::SetFocus(mWnd); } return NS_OK; } //------------------------------------------------------------------------- // // Get this component dimension // //------------------------------------------------------------------------- NS_METHOD nsWindow::GetBounds(nsIntRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetWindowRect(mWnd, &r)); // assign size aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; // convert coordinates if parent exists HWND parent = ::GetParent(mWnd); if (parent) { RECT pr; VERIFY(::GetWindowRect(parent, &pr)); r.left -= pr.left; r.top -= pr.top; } aRect.x = r.left; aRect.y = r.top; } else { aRect = mBounds; } return NS_OK; } //------------------------------------------------------------------------- // // Get this component dimension // //------------------------------------------------------------------------- NS_METHOD nsWindow::GetClientBounds(nsIntRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetClientRect(mWnd, &r)); // assign size aRect.x = 0; aRect.y = 0; aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; } else { aRect.SetRect(0,0,0,0); } return NS_OK; } //get the bounds, but don't take into account the client size void nsWindow::GetNonClientBounds(nsIntRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetWindowRect(mWnd, &r)); // assign size aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; // convert coordinates if parent exists HWND parent = ::GetParent(mWnd); if (parent) { RECT pr; VERIFY(::GetWindowRect(parent, &pr)); r.left -= pr.left; r.top -= pr.top; } aRect.x = r.left; aRect.y = r.top; } else { aRect.SetRect(0,0,0,0); } } // like GetBounds, but don't offset by the parent NS_METHOD nsWindow::GetScreenBounds(nsIntRect &aRect) { if (mWnd) { RECT r; VERIFY(::GetWindowRect(mWnd, &r)); aRect.width = r.right - r.left; aRect.height = r.bottom - r.top; aRect.x = r.left; aRect.y = r.top; } else aRect = mBounds; return NS_OK; } //------------------------------------------------------------------------- // // Set the background color // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetBackgroundColor(const nscolor &aColor) { nsBaseWidget::SetBackgroundColor(aColor); if (mBrush) ::DeleteObject(mBrush); mBrush = ::CreateSolidBrush(NSRGB_2_COLOREF(mBackground)); #ifndef WINCE if (mWnd != NULL) { SetClassLong(mWnd, GCL_HBRBACKGROUND, (LONG)mBrush); } #endif return NS_OK; } //------------------------------------------------------------------------- // // Set this component cursor // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetCursor(nsCursor aCursor) { // Only change cursor if it's changing //XXX mCursor isn't always right. Scrollbars and others change it, too. //XXX If we want this optimization we need a better way to do it. //if (aCursor != mCursor) { HCURSOR newCursor = NULL; switch (aCursor) { case eCursor_select: newCursor = ::LoadCursor(NULL, IDC_IBEAM); break; case eCursor_wait: newCursor = ::LoadCursor(NULL, IDC_WAIT); break; case eCursor_hyperlink: { newCursor = ::LoadCursor(NULL, IDC_HAND); break; } case eCursor_standard: newCursor = ::LoadCursor(NULL, IDC_ARROW); break; case eCursor_n_resize: case eCursor_s_resize: newCursor = ::LoadCursor(NULL, IDC_SIZENS); break; case eCursor_w_resize: case eCursor_e_resize: newCursor = ::LoadCursor(NULL, IDC_SIZEWE); break; case eCursor_nw_resize: case eCursor_se_resize: newCursor = ::LoadCursor(NULL, IDC_SIZENWSE); break; case eCursor_ne_resize: case eCursor_sw_resize: newCursor = ::LoadCursor(NULL, IDC_SIZENESW); break; case eCursor_crosshair: newCursor = ::LoadCursor(NULL, IDC_CROSS); break; case eCursor_move: newCursor = ::LoadCursor(NULL, IDC_SIZEALL); break; case eCursor_help: newCursor = ::LoadCursor(NULL, IDC_HELP); break; case eCursor_copy: // CSS3 newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_COPY)); break; case eCursor_alias: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ALIAS)); break; case eCursor_cell: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_CELL)); break; case eCursor_grab: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_GRAB)); break; case eCursor_grabbing: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_GRABBING)); break; case eCursor_spinning: newCursor = ::LoadCursor(NULL, IDC_APPSTARTING); break; case eCursor_context_menu: // XXX this CSS3 cursor needs to be implemented break; case eCursor_zoom_in: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ZOOMIN)); break; case eCursor_zoom_out: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ZOOMOUT)); break; case eCursor_not_allowed: case eCursor_no_drop: newCursor = ::LoadCursor(NULL, IDC_NO); break; case eCursor_col_resize: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_COLRESIZE)); break; case eCursor_row_resize: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_ROWRESIZE)); break; case eCursor_vertical_text: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_VERTICALTEXT)); break; case eCursor_all_scroll: // XXX not 100% appropriate perhaps newCursor = ::LoadCursor(NULL, IDC_SIZEALL); break; case eCursor_nesw_resize: newCursor = ::LoadCursor(NULL, IDC_SIZENESW); break; case eCursor_nwse_resize: newCursor = ::LoadCursor(NULL, IDC_SIZENWSE); break; case eCursor_ns_resize: newCursor = ::LoadCursor(NULL, IDC_SIZENS); break; case eCursor_ew_resize: newCursor = ::LoadCursor(NULL, IDC_SIZEWE); break; case eCursor_none: newCursor = ::LoadCursor(nsToolkit::mDllInstance, MAKEINTRESOURCE(IDC_NONE)); break; default: NS_ERROR("Invalid cursor type"); break; } if (NULL != newCursor) { mCursor = aCursor; HCURSOR oldCursor = ::SetCursor(newCursor); if (gHCursor == oldCursor) { NS_IF_RELEASE(gCursorImgContainer); if (gHCursor != NULL) ::DestroyIcon(gHCursor); gHCursor = NULL; } } return NS_OK; } static PRUint8* Data32BitTo1Bit(PRUint8* aImageData, PRUint32 aWidth, PRUint32 aHeight) { // We need (aWidth + 7) / 8 bytes plus zero-padding up to a multiple of // 4 bytes for each row (HBITMAP requirement). Bug 353553. PRUint32 outBpr = ((aWidth + 31) / 8) & ~3; // Allocate and clear mask buffer PRUint8* outData = (PRUint8*)PR_Calloc(outBpr, aHeight); if (!outData) return NULL; PRInt32 *imageRow = (PRInt32*)aImageData; for (PRUint32 curRow = 0; curRow < aHeight; curRow++) { PRUint8 *outRow = outData + curRow * outBpr; PRUint8 mask = 0x80; for (PRUint32 curCol = 0; curCol < aWidth; curCol++) { // Use sign bit to test for transparency, as alpha byte is highest byte if (*imageRow++ < 0) *outRow |= mask; mask >>= 1; if (!mask) { outRow ++; mask = 0x80; } } } return outData; } /** * Convert the given image data to a HBITMAP. If the requested depth is * 32 bit and the OS supports translucency, a bitmap with an alpha channel * will be returned. * * @param aImageData The image data to convert. Must use the format accepted * by CreateDIBitmap. * @param aWidth With of the bitmap, in pixels. * @param aHeight Height of the image, in pixels. * @param aDepth Image depth, in bits. Should be one of 1, 24 and 32. * * @return The HBITMAP representing the image. Caller should call * DeleteObject when done with the bitmap. * On failure, NULL will be returned. */ static HBITMAP DataToBitmap(PRUint8* aImageData, PRUint32 aWidth, PRUint32 aHeight, PRUint32 aDepth) { #ifndef WINCE HDC dc = ::GetDC(NULL); if (aDepth == 32 && IsCursorTranslucencySupported()) { // Alpha channel. We need the new header. BITMAPV4HEADER head = { 0 }; head.bV4Size = sizeof(head); head.bV4Width = aWidth; head.bV4Height = aHeight; head.bV4Planes = 1; head.bV4BitCount = aDepth; head.bV4V4Compression = BI_BITFIELDS; head.bV4SizeImage = 0; // Uncompressed head.bV4XPelsPerMeter = 0; head.bV4YPelsPerMeter = 0; head.bV4ClrUsed = 0; head.bV4ClrImportant = 0; head.bV4RedMask = 0x00FF0000; head.bV4GreenMask = 0x0000FF00; head.bV4BlueMask = 0x000000FF; head.bV4AlphaMask = 0xFF000000; HBITMAP bmp = ::CreateDIBitmap(dc, reinterpret_cast(&head), CBM_INIT, aImageData, reinterpret_cast(&head), DIB_RGB_COLORS); ::ReleaseDC(NULL, dc); return bmp; } char reserved_space[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 2]; BITMAPINFOHEADER& head = *(BITMAPINFOHEADER*)reserved_space; head.biSize = sizeof(BITMAPINFOHEADER); head.biWidth = aWidth; head.biHeight = aHeight; head.biPlanes = 1; head.biBitCount = (WORD)aDepth; head.biCompression = BI_RGB; head.biSizeImage = 0; // Uncompressed head.biXPelsPerMeter = 0; head.biYPelsPerMeter = 0; head.biClrUsed = 0; head.biClrImportant = 0; BITMAPINFO& bi = *(BITMAPINFO*)reserved_space; if (aDepth == 1) { RGBQUAD black = { 0, 0, 0, 0 }; RGBQUAD white = { 255, 255, 255, 0 }; bi.bmiColors[0] = white; bi.bmiColors[1] = black; } HBITMAP bmp = ::CreateDIBitmap(dc, &head, CBM_INIT, aImageData, &bi, DIB_RGB_COLORS); ::ReleaseDC(NULL, dc); return bmp; #else return nsnull; #endif } NS_IMETHODIMP nsWindow::SetCursor(imgIContainer* aCursor, PRUint32 aHotspotX, PRUint32 aHotspotY) { if (gCursorImgContainer == aCursor && gHCursor) { ::SetCursor(gHCursor); return NS_OK; } // Get the image data nsCOMPtr frame; aCursor->GetFrameAt(0, getter_AddRefs(frame)); if (!frame) return NS_ERROR_NOT_AVAILABLE; PRInt32 width, height; frame->GetWidth(&width); frame->GetHeight(&height); // Reject cursors greater than 128 pixels in either direction, to prevent // spoofing. // XXX ideally we should rescale. Also, we could modify the API to // allow trusted content to set larger cursors. if (width > 128 || height > 128) return NS_ERROR_NOT_AVAILABLE; frame->LockImageData(); PRUint32 dataLen; PRUint8 *data; nsresult rv = frame->GetImageData(&data, &dataLen); if (NS_FAILED(rv)) { frame->UnlockImageData(); return rv; } HBITMAP bmp = DataToBitmap(data, width, -height, 32); PRUint8* a1data = Data32BitTo1Bit(data, width, height); frame->UnlockImageData(); if (!a1data) { return NS_ERROR_FAILURE; } HBITMAP mbmp = DataToBitmap(a1data, width, -height, 1); PR_Free(a1data); ICONINFO info = {0}; info.fIcon = FALSE; info.xHotspot = aHotspotX; info.yHotspot = aHotspotY; info.hbmMask = mbmp; info.hbmColor = bmp; HCURSOR cursor = ::CreateIconIndirect(&info); ::DeleteObject(mbmp); ::DeleteObject(bmp); if (cursor == NULL) { return NS_ERROR_FAILURE; } mCursor = nsCursor(-1); ::SetCursor(cursor); NS_IF_RELEASE(gCursorImgContainer); gCursorImgContainer = aCursor; NS_ADDREF(gCursorImgContainer); if (gHCursor != NULL) ::DestroyIcon(gHCursor); gHCursor = cursor; return NS_OK; } NS_IMETHODIMP nsWindow::HideWindowChrome(PRBool aShouldHide) { HWND hwnd = GetTopLevelHWND(mWnd, PR_TRUE); if (!GetNSWindowPtr(hwnd)) { NS_WARNING("Trying to hide window decorations in an embedded context"); return NS_ERROR_FAILURE; } DWORD style, exStyle; if (aShouldHide) { DWORD tempStyle = ::GetWindowLongW(hwnd, GWL_STYLE); DWORD tempExStyle = ::GetWindowLongW(hwnd, GWL_EXSTYLE); style = tempStyle & ~(WS_CAPTION | WS_THICKFRAME); exStyle = tempExStyle & ~(WS_EX_DLGMODALFRAME | WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE | WS_EX_STATICEDGE); mOldStyle = tempStyle; mOldExStyle = tempExStyle; } else { if (!mOldStyle || !mOldExStyle) { mOldStyle = ::GetWindowLongW(hwnd, GWL_STYLE); mOldExStyle = ::GetWindowLongW(hwnd, GWL_EXSTYLE); } style = mOldStyle; exStyle = mOldExStyle; } VERIFY_WINDOW_STYLE(style); ::SetWindowLongW(hwnd, GWL_STYLE, style); ::SetWindowLongW(hwnd, GWL_EXSTYLE, exStyle); return NS_OK; } // ------------------------------------------------------------------------ // // Validate a visible area of a widget. // // ------------------------------------------------------------------------ NS_METHOD nsWindow::Validate() { if (mWnd) VERIFY(::ValidateRect(mWnd, NULL)); return NS_OK; } //------------------------------------------------------------------------- // // Invalidate this component visible area // //------------------------------------------------------------------------- NS_METHOD nsWindow::Invalidate(PRBool aIsSynchronous) { if (mWnd) { #ifdef NS_DEBUG debug_DumpInvalidate(stdout, this, nsnull, aIsSynchronous, nsCAutoString("noname"), (PRInt32) mWnd); #endif // NS_DEBUG VERIFY(::InvalidateRect(mWnd, NULL, FALSE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } return NS_OK; } //------------------------------------------------------------------------- // // Invalidate this component visible area // //------------------------------------------------------------------------- NS_METHOD nsWindow::Invalidate(const nsIntRect & aRect, PRBool aIsSynchronous) { if (mWnd) { #ifdef NS_DEBUG debug_DumpInvalidate(stdout, this, &aRect, aIsSynchronous, nsCAutoString("noname"), (PRInt32) mWnd); #endif // NS_DEBUG RECT rect; rect.left = aRect.x; rect.top = aRect.y; rect.right = aRect.x + aRect.width; rect.bottom = aRect.y + aRect.height; VERIFY(::InvalidateRect(mWnd, &rect, FALSE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } return NS_OK; } NS_IMETHODIMP nsWindow::InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous) { nsresult rv = NS_OK; if (mWnd) { HRGN nativeRegion; rv = aRegion->GetNativeRegion((void *&)nativeRegion); if (nativeRegion) { if (NS_SUCCEEDED(rv)) { VERIFY(::InvalidateRgn(mWnd, nativeRegion, FALSE)); if (aIsSynchronous) { VERIFY(::UpdateWindow(mWnd)); } } } else { rv = NS_ERROR_FAILURE; } } return rv; } //------------------------------------------------------------------------- // // Force a synchronous repaint of the window // //------------------------------------------------------------------------- NS_IMETHODIMP nsWindow::Update() { nsresult rv = NS_OK; // updates can come through for windows no longer holding an mWnd during // deletes triggered by JavaScript in buttons with mouse feedback if (mWnd) VERIFY(::UpdateWindow(mWnd)); return rv; } //------------------------------------------------------------------------- // // Return some native data according to aDataType // //------------------------------------------------------------------------- void* nsWindow::GetNativeData(PRUint32 aDataType) { switch (aDataType) { case NS_NATIVE_PLUGIN_PORT: mIsPluginWindow = 1; case NS_NATIVE_WIDGET: case NS_NATIVE_WINDOW: return (void*)mWnd; case NS_NATIVE_GRAPHIC: // XXX: This is sleezy!! Remember to Release the DC after using it! #ifdef MOZ_XUL return (void*)(eTransparencyTransparent == mTransparencyMode) ? mMemoryDC : ::GetDC(mWnd); #else return (void*)::GetDC(mWnd); #endif #ifdef NS_ENABLE_TSF case NS_NATIVE_TSF_POINTER: return nsTextStore::GetNativeData(); #endif //NS_ENABLE_TSF case NS_NATIVE_COLORMAP: default: break; } return NULL; } //~~~ void nsWindow::FreeNativeData(void * data, PRUint32 aDataType) { switch (aDataType) { case NS_NATIVE_GRAPHIC: #ifdef MOZ_XUL if (eTransparencyTransparent != mTransparencyMode) ::ReleaseDC(mWnd, (HDC)data); #else ::ReleaseDC(mWnd, (HDC)data); #endif break; case NS_NATIVE_WIDGET: case NS_NATIVE_WINDOW: case NS_NATIVE_PLUGIN_PORT: case NS_NATIVE_COLORMAP: break; default: break; } } //------------------------------------------------------------------------- // // Set the colormap of the window // //------------------------------------------------------------------------- NS_METHOD nsWindow::SetColorMap(nsColorMap *aColorMap) { #if 0 if (mPalette != NULL) { ::DeleteObject(mPalette); } PRUint8 *map = aColorMap->Index; LPLOGPALETTE pLogPal = (LPLOGPALETTE) new char[2 * sizeof(WORD) + aColorMap->NumColors * sizeof(PALETTEENTRY)]; pLogPal->palVersion = 0x300; pLogPal->palNumEntries = aColorMap->NumColors; for(int i = 0; i < aColorMap->NumColors; i++) { pLogPal->palPalEntry[i].peRed = *map++; pLogPal->palPalEntry[i].peGreen = *map++; pLogPal->palPalEntry[i].peBlue = *map++; pLogPal->palPalEntry[i].peFlags = 0; } mPalette = ::CreatePalette(pLogPal); delete pLogPal; NS_ASSERTION(mPalette != NULL, "Null palette"); if (mPalette != NULL) { HDC hDC = ::GetDC(mWnd); HPALETTE hOldPalette = ::SelectPalette(hDC, mPalette, TRUE); ::RealizePalette(hDC); ::SelectPalette(hDC, hOldPalette, TRUE); ::ReleaseDC(mWnd, hDC); } #endif return NS_OK; } // Invalidates a window if it's not one of ours, for example // a window created by a plugin. BOOL CALLBACK nsWindow::InvalidateForeignChildWindows(HWND aWnd, LPARAM aMsg) { LONG proc = ::GetWindowLongW(aWnd, GWL_WNDPROC); if (proc != (LONG)&nsWindow::WindowProc) { // This window is not one of our windows so invalidate it. VERIFY(::InvalidateRect(aWnd, NULL, FALSE)); } return TRUE; } //------------------------------------------------------------------------- // // Scroll the bits of a window // //------------------------------------------------------------------------- //XXX Scroll is obsolete and should go away soon NS_METHOD nsWindow::Scroll(PRInt32 aDx, PRInt32 aDy, nsIntRect *aClipRect) { RECT trect; if (nsnull != aClipRect) { trect.left = aClipRect->x; trect.top = aClipRect->y; trect.right = aClipRect->XMost(); trect.bottom = aClipRect->YMost(); } ::ScrollWindowEx(mWnd, aDx, aDy, NULL, (nsnull != aClipRect) ? &trect : NULL, NULL, NULL, SW_INVALIDATE | SW_SCROLLCHILDREN); // Invalidate all child windows that aren't ours; we're moving them, and we // expect them to be painted at the new location even if they're outside the // region we're bit-blit scrolling. See bug 387701. ::EnumChildWindows(GetWindowHandle(), nsWindow::InvalidateForeignChildWindows, NULL); ::UpdateWindow(mWnd); return NS_OK; } NS_IMETHODIMP nsWindow::ScrollWidgets(PRInt32 aDx, PRInt32 aDy) { // Scroll the entire contents of the window + change the offset of any child windows ::ScrollWindowEx(mWnd, aDx, aDy, NULL, NULL, NULL, NULL, SW_INVALIDATE | SW_SCROLLCHILDREN); ::UpdateWindow(mWnd); // Force synchronous generation of NS_PAINT return NS_OK; } NS_IMETHODIMP nsWindow::ScrollRect(nsIntRect &aRect, PRInt32 aDx, PRInt32 aDy) { RECT trect; trect.left = aRect.x; trect.top = aRect.y; trect.right = aRect.XMost(); trect.bottom = aRect.YMost(); // Scroll the bits in the window defined by trect. // Child windows are not scrolled. ::ScrollWindowEx(mWnd, aDx, aDy, &trect, NULL, NULL, NULL, SW_INVALIDATE); ::UpdateWindow(mWnd); // Force synchronous generation of NS_PAINT return NS_OK; } //------------------------------------------------------------------------- // // Every function that needs a thread switch goes through this function // by calling SendMessage (..WM_CALLMETHOD..) in nsToolkit::CallMethod. // //------------------------------------------------------------------------- BOOL nsWindow::CallMethod(MethodInfo *info) { BOOL bRet = TRUE; switch (info->methodId) { case nsWindow::CREATE: NS_ASSERTION(info->nArgs == 7, "Wrong number of arguments to CallMethod"); Create((nsIWidget*)(info->args[0]), (nsIntRect&)*(nsIntRect*)(info->args[1]), (EVENT_CALLBACK)(info->args[2]), (nsIDeviceContext*)(info->args[3]), (nsIAppShell *)(info->args[4]), (nsIToolkit*)(info->args[5]), (nsWidgetInitData*)(info->args[6])); break; case nsWindow::CREATE_NATIVE: NS_ASSERTION(info->nArgs == 7, "Wrong number of arguments to CallMethod"); Create((nsNativeWidget)(info->args[0]), (nsIntRect&)*(nsIntRect*)(info->args[1]), (EVENT_CALLBACK)(info->args[2]), (nsIDeviceContext*)(info->args[3]), (nsIAppShell *)(info->args[4]), (nsIToolkit*)(info->args[5]), (nsWidgetInitData*)(info->args[6])); return TRUE; case nsWindow::DESTROY: NS_ASSERTION(info->nArgs == 0, "Wrong number of arguments to CallMethod"); Destroy(); break; case nsWindow::SET_FOCUS: NS_ASSERTION(info->nArgs == 0, "Wrong number of arguments to CallMethod"); SetFocus(PR_FALSE); break; default: bRet = FALSE; break; } return bRet; } //------------------------------------------------------------------------- void nsWindow::SetUpForPaint(HDC aHDC) { ::SetBkColor (aHDC, NSRGB_2_COLOREF(mBackground)); ::SetTextColor(aHDC, NSRGB_2_COLOREF(mForeground)); ::SetBkMode (aHDC, TRANSPARENT); } //--------------------------------------------------------- NS_METHOD nsWindow::EnableDragDrop(PRBool aEnable) { nsresult rv = NS_ERROR_FAILURE; #ifndef WINCE if (aEnable) { if (nsnull == mNativeDragTarget) { mNativeDragTarget = new nsNativeDragTarget(this); if (NULL != mNativeDragTarget) { mNativeDragTarget->AddRef(); if (S_OK == ::CoLockObjectExternal((LPUNKNOWN)mNativeDragTarget,TRUE,FALSE)) { if (S_OK == ::RegisterDragDrop(mWnd, (LPDROPTARGET)mNativeDragTarget)) { rv = NS_OK; } } } } } else { if (nsnull != mWnd && NULL != mNativeDragTarget) { ::RevokeDragDrop(mWnd); if (S_OK == ::CoLockObjectExternal((LPUNKNOWN)mNativeDragTarget, FALSE, TRUE)) { rv = NS_OK; } mNativeDragTarget->mDragCancelled = PR_TRUE; NS_RELEASE(mNativeDragTarget); } } #endif return rv; } //------------------------------------------------------------------------- UINT nsWindow::MapFromNativeToDOM(UINT aNativeKeyCode) { #ifndef WINCE switch (aNativeKeyCode) { case VK_OEM_1: return NS_VK_SEMICOLON; // 0xBA, For the US standard keyboard, the ';:' key case VK_OEM_PLUS: return NS_VK_ADD; // 0xBB, For any country/region, the '+' key case VK_OEM_MINUS: return NS_VK_SUBTRACT; // 0xBD, For any country/region, the '-' key } #endif return aNativeKeyCode; } //------------------------------------------------------------------------- // // OnKey // //------------------------------------------------------------------------- PRBool nsWindow::DispatchKeyEvent(PRUint32 aEventType, WORD aCharCode, const nsTArray* aAlternativeCharCodes, UINT aVirtualCharCode, const MSG *aMsg, PRUint32 aFlags) { nsKeyEvent event(PR_TRUE, aEventType, this); nsIntPoint point(0, 0); InitEvent(event, &point); // this add ref's event.widget event.flags |= aFlags; event.charCode = aCharCode; if (aAlternativeCharCodes) event.alternativeCharCodes.AppendElements(*aAlternativeCharCodes); event.keyCode = aVirtualCharCode; #ifdef KE_DEBUG static cnt=0; printf("%d DispatchKE Type: %s charCode %d keyCode %d ", cnt++, (NS_KEY_PRESS == aEventType) ? "PRESS" : (aEventType == NS_KEY_UP ? "Up" : "Down"), event.charCode, event.keyCode); printf("Shift: %s Control %s Alt: %s \n", (mIsShiftDown ? "D" : "U"), (mIsControlDown ? "D" : "U"), (mIsAltDown ? "D" : "U")); printf("[%c][%c][%c] <== [%c][%c][%c][ space bar ][%c][%c][%c]\n", IS_VK_DOWN(NS_VK_SHIFT) ? 'S' : ' ', IS_VK_DOWN(NS_VK_CONTROL) ? 'C' : ' ', IS_VK_DOWN(NS_VK_ALT) ? 'A' : ' ', IS_VK_DOWN(VK_LSHIFT) ? 'S' : ' ', IS_VK_DOWN(VK_LCONTROL) ? 'C' : ' ', IS_VK_DOWN(VK_LMENU) ? 'A' : ' ', IS_VK_DOWN(VK_RMENU) ? 'A' : ' ', IS_VK_DOWN(VK_RCONTROL) ? 'C' : ' ', IS_VK_DOWN(VK_RSHIFT) ? 'S' : ' '); #endif event.isShift = mIsShiftDown; event.isControl = mIsControlDown; event.isMeta = PR_FALSE; event.isAlt = mIsAltDown; nsPluginEvent pluginEvent; if (aMsg && PluginHasFocus()) { pluginEvent.event = aMsg->message; pluginEvent.wParam = aMsg->wParam; pluginEvent.lParam = aMsg->lParam; event.nativeMsg = (void *)&pluginEvent; } PRBool result = DispatchWindowEvent(&event); return result; } void nsWindow::RemoveMessageAndDispatchPluginEvent(UINT aFirstMsg, UINT aLastMsg) { MSG msg; ::GetMessageW(&msg, mWnd, aFirstMsg, aLastMsg); DispatchPluginEvent(msg); } static PRBool StringCaseInsensitiveEquals(const PRUnichar* aChars1, const PRUint32 aNumChars1, const PRUnichar* aChars2, const PRUint32 aNumChars2) { if (aNumChars1 != aNumChars2) return PR_FALSE; nsCaseInsensitiveStringComparator comp; return comp(aChars1, aChars2, aNumChars1) == 0; } /** * nsWindow::OnKeyDown peeks into the message queue and pulls out * WM_CHAR messages for processing. During testing we don't want to * mess with the real message queue. Instead we pass a * pseudo-WM_CHAR-message using this structure, and OnKeyDown will use * that as if it was in the message queue, and refrain from actually * looking at or touching the message queue. */ struct nsFakeCharMessage { UINT mCharCode; UINT mScanCode; }; //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- LRESULT nsWindow::OnKeyDown(const MSG &aMsg, PRBool *aEventDispatched, nsFakeCharMessage* aFakeCharMessage) { UINT virtualKeyCode = aMsg.wParam; #ifndef WINCE gKbdLayout.OnKeyDown (virtualKeyCode); #endif // Use only DOMKeyCode for XP processing. // Use aVirtualKeyCode for gKbdLayout and native processing. UINT DOMKeyCode = sIMEIsComposing ? virtualKeyCode : MapFromNativeToDOM(virtualKeyCode); #ifdef DEBUG //printf("In OnKeyDown virt: %d\n", DOMKeyCode); #endif PRBool noDefault = DispatchKeyEvent(NS_KEY_DOWN, 0, nsnull, DOMKeyCode, &aMsg); if (aEventDispatched) *aEventDispatched = PR_TRUE; // If we won't be getting a WM_CHAR, WM_SYSCHAR or WM_DEADCHAR, synthesize a keypress // for almost all keys switch (DOMKeyCode) { case NS_VK_SHIFT: case NS_VK_CONTROL: case NS_VK_ALT: case NS_VK_CAPS_LOCK: case NS_VK_NUM_LOCK: case NS_VK_SCROLL_LOCK: return noDefault; } PRUint32 extraFlags = (noDefault ? NS_EVENT_FLAG_NO_DEFAULT : 0); MSG msg; BOOL gotMsg = aFakeCharMessage || ::PeekMessageW(&msg, mWnd, WM_KEYFIRST, WM_KEYLAST, PM_NOREMOVE | PM_NOYIELD); // Enter and backspace are always handled here to avoid for example the // confusion between ctrl-enter and ctrl-J. if (DOMKeyCode == NS_VK_RETURN || DOMKeyCode == NS_VK_BACK || ((mIsControlDown || mIsAltDown) #ifdef WINCE )) #else && !gKbdLayout.IsDeadKey() && KeyboardLayout::IsPrintableCharKey(virtualKeyCode))) #endif { // Remove a possible WM_CHAR or WM_SYSCHAR messages from the message queue. // They can be more than one because of: // * Dead-keys not pairing with base character // * Some keyboard layouts may map up to 4 characters to the single key PRBool anyCharMessagesRemoved = PR_FALSE; if (aFakeCharMessage) { anyCharMessagesRemoved = PR_TRUE; } else { while (gotMsg && (msg.message == WM_CHAR || msg.message == WM_SYSCHAR)) { PR_LOG(sWindowsLog, PR_LOG_ALWAYS, ("%s charCode=%d scanCode=%d\n", msg.message == WM_SYSCHAR ? "WM_SYSCHAR" : "WM_CHAR", msg.wParam, HIWORD(msg.lParam) & 0xFF)); RemoveMessageAndDispatchPluginEvent(WM_KEYFIRST, WM_KEYLAST); anyCharMessagesRemoved = PR_TRUE; gotMsg = ::PeekMessageW (&msg, mWnd, WM_KEYFIRST, WM_KEYLAST, PM_NOREMOVE | PM_NOYIELD); } } if (!anyCharMessagesRemoved && DOMKeyCode == NS_VK_BACK) { MSG imeStartCompositionMsg, imeCompositionMsg; if (::PeekMessageW(&imeStartCompositionMsg, mWnd, WM_IME_STARTCOMPOSITION, WM_IME_STARTCOMPOSITION, PM_NOREMOVE | PM_NOYIELD) && ::PeekMessageW(&imeCompositionMsg, mWnd, WM_IME_COMPOSITION, WM_IME_COMPOSITION, PM_NOREMOVE | PM_NOYIELD) && ::PeekMessageW(&msg, mWnd, WM_CHAR, WM_CHAR, PM_NOREMOVE | PM_NOYIELD) && imeStartCompositionMsg.wParam == 0x0 && imeStartCompositionMsg.lParam == 0x0 && imeCompositionMsg.wParam == 0x0 && imeCompositionMsg.lParam == 0x1BF && msg.wParam == NS_VK_BACK && msg.lParam == 0x1 && imeStartCompositionMsg.time <= imeCompositionMsg.time && imeCompositionMsg.time <= msg.time) { // This message pattern is "Kakutei-Undo" on ATOK and WXG. // (ATOK and WXG are popular IMEs in Japan) // In this case, the message queue has following messages: // ------------------------------------------------------------------------------------------ // WM_KEYDOWN * n (wParam = VK_BACK, lParam = 0x1) // WM_KEYUP * 1 (wParam = VK_BACK, lParam = 0xC0000001) #this is ATOK only // WM_IME_STARTCOMPOSITION * 1 (wParam = 0x0, lParam = 0x0) // WM_IME_COMPOSITION * 1 (wParam = 0x0, lParam = 0x1BF) // WM_CHAR * n (wParam = VK_BACK, lParam = 0x1) // WM_KEYUP * 1 (wParam = VK_BACK, lParam = 0xC00E0001) // ------------------------------------------------------------------------------------------ // This message pattern does not match to the above case; // i.e.,WM_KEYDOWN -> WM_CHAR -> WM_KEYDOWN -> WM_CHAR. // For more information of this problem: // http://bugzilla.mozilla.gr.jp/show_bug.cgi?id=2885 (written in Japanese) // http://bugzilla.mozilla.org/show_bug.cgi?id=194559 (written in English) NS_ASSERTION(!aFakeCharMessage, "We shouldn't be touching the real msg queue"); RemoveMessageAndDispatchPluginEvent(WM_CHAR, WM_CHAR); } } } else if (gotMsg && (aFakeCharMessage || msg.message == WM_CHAR || msg.message == WM_SYSCHAR || msg.message == WM_DEADCHAR)) { if (aFakeCharMessage) return OnCharRaw(aFakeCharMessage->mCharCode, aFakeCharMessage->mScanCode, extraFlags); // If prevent default set for keydown, do same for keypress ::GetMessageW(&msg, mWnd, msg.message, msg.message); if (msg.message == WM_DEADCHAR) { if (!PluginHasFocus()) return PR_FALSE; // We need to send the removed message to focused plug-in. DispatchPluginEvent(msg); return noDefault; } PR_LOG(sWindowsLog, PR_LOG_ALWAYS, ("%s charCode=%d scanCode=%d\n", msg.message == WM_SYSCHAR ? "WM_SYSCHAR" : "WM_CHAR", msg.wParam, HIWORD(msg.lParam) & 0xFF)); BOOL result = OnChar(msg, nsnull, extraFlags); // If a syschar keypress wasn't processed, Windows may want to // handle it to activate a native menu. if (!result && msg.message == WM_SYSCHAR) ::DefWindowProcW(mWnd, msg.message, msg.wParam, msg.lParam); return result; } #ifndef WINCE else if (!mIsControlDown && !mIsAltDown && (KeyboardLayout::IsPrintableCharKey(virtualKeyCode) || KeyboardLayout::IsNumpadKey(virtualKeyCode))) { // If this is simple KeyDown event but next message is not WM_CHAR, // this event may not input text, so we should ignore this event. // See bug 314130. return PluginHasFocus() && noDefault; } if (gKbdLayout.IsDeadKey ()) return PluginHasFocus() && noDefault; PRUint8 shiftStates[5]; PRUnichar uniChars[5]; PRUnichar shiftedChars[5] = {0, 0, 0, 0, 0}; PRUnichar unshiftedChars[5] = {0, 0, 0, 0, 0}; PRUnichar shiftedLatinChar = 0; PRUnichar unshiftedLatinChar = 0; PRUint32 numOfUniChars = 0; PRUint32 numOfShiftedChars = 0; PRUint32 numOfUnshiftedChars = 0; PRUint32 numOfShiftStates = 0; switch (virtualKeyCode) { // keys to be sent as characters case VK_ADD: uniChars [0] = '+'; numOfUniChars = 1; break; case VK_SUBTRACT: uniChars [0] = '-'; numOfUniChars = 1; break; case VK_DIVIDE: uniChars [0] = '/'; numOfUniChars = 1; break; case VK_MULTIPLY: uniChars [0] = '*'; numOfUniChars = 1; break; case VK_NUMPAD0: case VK_NUMPAD1: case VK_NUMPAD2: case VK_NUMPAD3: case VK_NUMPAD4: case VK_NUMPAD5: case VK_NUMPAD6: case VK_NUMPAD7: case VK_NUMPAD8: case VK_NUMPAD9: uniChars [0] = virtualKeyCode - VK_NUMPAD0 + '0'; numOfUniChars = 1; break; default: if (KeyboardLayout::IsPrintableCharKey(virtualKeyCode)) { numOfUniChars = numOfShiftStates = gKbdLayout.GetUniChars(uniChars, shiftStates, NS_ARRAY_LENGTH(uniChars)); } if (mIsControlDown ^ mIsAltDown) { PRUint8 capsLockState = (::GetKeyState(VK_CAPITAL) & 1) ? eCapsLock : 0; numOfUnshiftedChars = gKbdLayout.GetUniCharsWithShiftState(virtualKeyCode, capsLockState, unshiftedChars, NS_ARRAY_LENGTH(unshiftedChars)); numOfShiftedChars = gKbdLayout.GetUniCharsWithShiftState(virtualKeyCode, capsLockState | eShift, shiftedChars, NS_ARRAY_LENGTH(shiftedChars)); // The current keyboard cannot input alphabets or numerics, // we should append them for Shortcut/Access keys. // E.g., for Cyrillic keyboard layout. if (NS_VK_A <= DOMKeyCode && DOMKeyCode <= NS_VK_Z) { shiftedLatinChar = unshiftedLatinChar = DOMKeyCode; if (capsLockState) shiftedLatinChar += 0x20; else unshiftedLatinChar += 0x20; if (unshiftedLatinChar == unshiftedChars[0] && shiftedLatinChar == shiftedChars[0]) { shiftedLatinChar = unshiftedLatinChar = 0; } } else { PRUint16 ch = 0; if (NS_VK_0 <= DOMKeyCode && DOMKeyCode <= NS_VK_9) { ch = DOMKeyCode; } else { switch (virtualKeyCode) { case VK_OEM_PLUS: ch = '+'; break; case VK_OEM_MINUS: ch = '-'; break; } } if (ch && unshiftedChars[0] != ch && shiftedChars[0] != ch) { // Windows has assigned a virtual key code to the key even though // the character can't be produced with this key. That probably // means the character can't be produced with any key in the // current layout and so the assignment is based on a QWERTY // layout. Append this code so that users can access the shortcut. unshiftedLatinChar = ch; } } // If the charCode is not ASCII character, we should replace the // charCode with ASCII character only when Ctrl is pressed. // But don't replace the charCode when the charCode is not same as // unmodified characters. In such case, Ctrl is sometimes used for a // part of character inputting key combination like Shift. if (mIsControlDown) { PRUint8 currentState = eCtrl; if (mIsShiftDown) currentState |= eShift; PRUint32 ch = mIsShiftDown ? shiftedLatinChar : unshiftedLatinChar; if (ch && (numOfUniChars == 0 || StringCaseInsensitiveEquals(uniChars, numOfUniChars, mIsShiftDown ? shiftedChars : unshiftedChars, mIsShiftDown ? numOfShiftedChars : numOfUnshiftedChars))) { numOfUniChars = numOfShiftStates = 1; uniChars[0] = ch; shiftStates[0] = currentState; } } } } if (numOfUniChars > 0 || numOfShiftedChars > 0 || numOfUnshiftedChars > 0) { PRUint32 num = PR_MAX(numOfUniChars, PR_MAX(numOfShiftedChars, numOfUnshiftedChars)); PRUint32 skipUniChars = num - numOfUniChars; PRUint32 skipShiftedChars = num - numOfShiftedChars; PRUint32 skipUnshiftedChars = num - numOfUnshiftedChars; UINT keyCode = numOfUniChars == 0 ? DOMKeyCode : 0; for (PRUint32 cnt = 0; cnt < num; cnt++) { PRUint16 uniChar, shiftedChar, unshiftedChar; uniChar = shiftedChar = unshiftedChar = 0; if (skipUniChars <= cnt) { if (cnt - skipUniChars < numOfShiftStates) { // If key in combination with Alt and/or Ctrl produces a different // character than without them then do not report these flags // because it is separate keyboard layout shift state. If dead-key // and base character does not produce a valid composite character // then both produced dead-key character and following base // character may have different modifier flags, too. mIsShiftDown = (shiftStates[cnt - skipUniChars] & eShift) != 0; mIsControlDown = (shiftStates[cnt - skipUniChars] & eCtrl) != 0; mIsAltDown = (shiftStates[cnt - skipUniChars] & eAlt) != 0; } uniChar = uniChars[cnt - skipUniChars]; } if (skipShiftedChars <= cnt) shiftedChar = shiftedChars[cnt - skipShiftedChars]; if (skipUnshiftedChars <= cnt) unshiftedChar = unshiftedChars[cnt - skipUnshiftedChars]; nsAutoTArray altArray; if (shiftedChar || unshiftedChar) { nsAlternativeCharCode chars(unshiftedChar, shiftedChar); altArray.AppendElement(chars); } if (cnt == num - 1 && (unshiftedLatinChar || shiftedLatinChar)) { nsAlternativeCharCode chars(unshiftedLatinChar, shiftedLatinChar); altArray.AppendElement(chars); } DispatchKeyEvent(NS_KEY_PRESS, uniChar, &altArray, keyCode, nsnull, extraFlags); } } else #endif DispatchKeyEvent(NS_KEY_PRESS, 0, nsnull, DOMKeyCode, nsnull, extraFlags); return noDefault; } //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- LRESULT nsWindow::OnKeyUp(const MSG &aMsg, PRBool *aEventDispatched) { UINT virtualKeyCode = aMsg.wParam; PR_LOG(sWindowsLog, PR_LOG_ALWAYS, ("nsWindow::OnKeyUp VK=%d\n", virtualKeyCode)); virtualKeyCode = sIMEIsComposing ? virtualKeyCode : MapFromNativeToDOM(virtualKeyCode); if (aEventDispatched) *aEventDispatched = PR_TRUE; return DispatchKeyEvent(NS_KEY_UP, 0, nsnull, virtualKeyCode, &aMsg); } //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- LRESULT nsWindow::OnChar(const MSG &aMsg, PRBool *aEventDispatched, PRUint32 aFlags) { return OnCharRaw(aMsg.wParam, HIWORD(aMsg.lParam) & 0xFF, aFlags, &aMsg, aEventDispatched); } //------------------------------------------------------------------------- // // //------------------------------------------------------------------------- LRESULT nsWindow::OnCharRaw(UINT charCode, UINT aScanCode, PRUint32 aFlags, const MSG *aMsg, PRBool *aEventDispatched) { // ignore [shift+]alt+space so the OS can handle it if (mIsAltDown && !mIsControlDown && IS_VK_DOWN(NS_VK_SPACE)) { return FALSE; } // Ignore Ctrl+Enter (bug 318235) if (mIsControlDown && charCode == 0xA) { return FALSE; } // WM_CHAR with Control and Alt (== AltGr) down really means a normal character PRBool saveIsAltDown = mIsAltDown; PRBool saveIsControlDown = mIsControlDown; if (mIsAltDown && mIsControlDown) mIsAltDown = mIsControlDown = PR_FALSE; wchar_t uniChar; if (sIMEIsComposing) { HandleEndComposition(); } if (mIsControlDown && charCode <= 0x1A) { // Ctrl+A Ctrl+Z, see Programming Windows 3.1 page 110 for details // need to account for shift here. bug 16486 if (mIsShiftDown) uniChar = charCode - 1 + 'A'; else uniChar = charCode - 1 + 'a'; charCode = 0; } else if (mIsControlDown && charCode <= 0x1F) { // Fix for 50255 - <[> and <]> are not being processed. // also fixes ctrl+\ (x1c), ctrl+^ (x1e) and ctrl+_ (x1f) // for some reason the keypress handler need to have the uniChar code set // with the addition of a upper case A not the lower case. uniChar = charCode - 1 + 'A'; charCode = 0; } else { // 0x20 - SPACE, 0x3D - EQUALS if (charCode < 0x20 || (charCode == 0x3D && mIsControlDown)) { uniChar = 0; } else { uniChar = charCode; charCode = 0; } } // Keep the characters unshifted for shortcuts and accesskeys and make sure // that numbers are always passed as such (among others: bugs 50255 and 351310) if (uniChar && (mIsControlDown || mIsAltDown)) { UINT virtualKeyCode = ::MapVirtualKeyEx(aScanCode, MAPVK_VSC_TO_VK, gKbdLayout.GetLayout()); UINT unshiftedCharCode = virtualKeyCode >= '0' && virtualKeyCode <= '9' ? virtualKeyCode : mIsShiftDown ? ::MapVirtualKeyEx(virtualKeyCode, MAPVK_VK_TO_CHAR, gKbdLayout.GetLayout()) : 0; // ignore diacritics (top bit set) and key mapping errors (char code 0) if ((INT)unshiftedCharCode > 0) uniChar = unshiftedCharCode; } // Fix for bug 285161 (and 295095) which was caused by the initial fix for bug 178110. // When pressing (alt|ctrl)+char, the char must be lowercase unless shift is // pressed too. if (!mIsShiftDown && (saveIsAltDown || saveIsControlDown)) { uniChar = towlower(uniChar); } PRBool result = DispatchKeyEvent(NS_KEY_PRESS, uniChar, nsnull, charCode, aMsg, aFlags); if (aEventDispatched) *aEventDispatched = PR_TRUE; mIsAltDown = saveIsAltDown; mIsControlDown = saveIsControlDown; return result; } static const PRUint32 sModifierKeyMap[][3] = { { nsIWidget::CAPS_LOCK, VK_CAPITAL, 0 }, { nsIWidget::NUM_LOCK, VK_NUMLOCK, 0 }, { nsIWidget::SHIFT_L, VK_SHIFT, VK_LSHIFT }, { nsIWidget::SHIFT_R, VK_SHIFT, VK_RSHIFT }, { nsIWidget::CTRL_L, VK_CONTROL, VK_LCONTROL }, { nsIWidget::CTRL_R, VK_CONTROL, VK_RCONTROL }, { nsIWidget::ALT_L, VK_MENU, VK_LMENU }, { nsIWidget::ALT_R, VK_MENU, VK_RMENU } }; struct KeyPair { PRUint8 mGeneral; PRUint8 mSpecific; KeyPair(PRUint32 aGeneral, PRUint32 aSpecific) : mGeneral(PRUint8(aGeneral)), mSpecific(PRUint8(aSpecific)) {} }; static void SetupKeyModifiersSequence(nsTArray* aArray, PRUint32 aModifiers) { for (PRUint32 i = 0; i < NS_ARRAY_LENGTH(sModifierKeyMap); ++i) { const PRUint32* map = sModifierKeyMap[i]; if (aModifiers & map[0]) { aArray->AppendElement(KeyPair(map[1], map[2])); } } } nsresult nsWindow::SynthesizeNativeKeyEvent(PRInt32 aNativeKeyboardLayout, PRInt32 aNativeKeyCode, PRUint32 aModifierFlags, const nsAString& aCharacters, const nsAString& aUnmodifiedCharacters) { #ifndef WINCE //Win CE doesn't support many of the calls used in this method, perhaps theres another way nsPrintfCString layoutName("%08x", aNativeKeyboardLayout); HKL loadedLayout = LoadKeyboardLayoutA(layoutName.get(), KLF_NOTELLSHELL); if (loadedLayout == NULL) return NS_ERROR_NOT_AVAILABLE; // Setup clean key state and load desired layout BYTE originalKbdState[256]; ::GetKeyboardState(originalKbdState); BYTE kbdState[256]; memset(kbdState, 0, sizeof(kbdState)); // This changes the state of the keyboard for the current thread only, // and we'll restore it soon, so this should be OK. ::SetKeyboardState(kbdState); HKL oldLayout = gKbdLayout.GetLayout(); gKbdLayout.LoadLayout(loadedLayout); nsAutoTArray keySequence; SetupKeyModifiersSequence(&keySequence, aModifierFlags); NS_ASSERTION(aNativeKeyCode >= 0 && aNativeKeyCode < 256, "Native VK key code out of range"); keySequence.AppendElement(KeyPair(aNativeKeyCode, 0)); // Simulate the pressing of each modifier key and then the real key for (PRUint32 i = 0; i < keySequence.Length(); ++i) { PRUint8 key = keySequence[i].mGeneral; PRUint8 keySpecific = keySequence[i].mSpecific; kbdState[key] = 0x81; // key is down and toggled on if appropriate if (keySpecific) { kbdState[keySpecific] = 0x81; } ::SetKeyboardState(kbdState); SetupModKeyState(); MSG msg = InitMSG(WM_KEYDOWN, key, 0); if (i == keySequence.Length() - 1 && aCharacters.Length() > 0) { UINT scanCode = ::MapVirtualKeyEx(aNativeKeyCode, MAPVK_VK_TO_VSC, gKbdLayout.GetLayout()); nsFakeCharMessage fakeMsg = { aCharacters.CharAt(0), scanCode }; OnKeyDown(msg, nsnull, &fakeMsg); } else { OnKeyDown(msg, nsnull, nsnull); } } for (PRUint32 i = keySequence.Length(); i > 0; --i) { PRUint8 key = keySequence[i - 1].mGeneral; PRUint8 keySpecific = keySequence[i - 1].mSpecific; kbdState[key] = 0; // key is up and toggled off if appropriate if (keySpecific) { kbdState[keySpecific] = 0; } ::SetKeyboardState(kbdState); SetupModKeyState(); MSG msg = InitMSG(WM_KEYUP, key, 0); OnKeyUp(msg, nsnull); } // Restore old key state and layout ::SetKeyboardState(originalKbdState); gKbdLayout.LoadLayout(oldLayout); SetupModKeyState(); UnloadKeyboardLayout(loadedLayout); return NS_OK; #else //XXX: is there another way to do this? return NS_ERROR_NOT_IMPLEMENTED; #endif } void nsWindow::ConstrainZLevel(HWND *aAfter) { nsZLevelEvent event(PR_TRUE, NS_SETZLEVEL, this); nsWindow *aboveWindow = 0; InitEvent(event); if (*aAfter == HWND_BOTTOM) event.mPlacement = nsWindowZBottom; else if (*aAfter == HWND_TOP || *aAfter == HWND_TOPMOST || *aAfter == HWND_NOTOPMOST) event.mPlacement = nsWindowZTop; else { event.mPlacement = nsWindowZRelative; aboveWindow = GetNSWindowPtr(*aAfter); } event.mReqBelow = aboveWindow; event.mActualBelow = nsnull; event.mImmediate = PR_FALSE; event.mAdjusted = PR_FALSE; DispatchWindowEvent(&event); if (event.mAdjusted) { if (event.mPlacement == nsWindowZBottom) *aAfter = HWND_BOTTOM; else if (event.mPlacement == nsWindowZTop) *aAfter = HWND_TOP; else { *aAfter = (HWND)event.mActualBelow->GetNativeData(NS_NATIVE_WINDOW); } } NS_IF_RELEASE(event.mActualBelow); } //------------------------------------------------------------------------- // // Process all nsWindows messages // //------------------------------------------------------------------------- static PRBool gJustGotDeactivate = PR_FALSE; static PRBool gJustGotActivate = PR_FALSE; #ifdef NS_DEBUG typedef struct { char * mStr; long mId; } EventMsgInfo; EventMsgInfo gAllEvents[] = { {"WM_NULL", 0x0000}, {"WM_CREATE", 0x0001}, {"WM_DESTROY", 0x0002}, {"WM_MOVE", 0x0003}, {"WM_SIZE", 0x0005}, {"WM_ACTIVATE", 0x0006}, {"WM_SETFOCUS", 0x0007}, {"WM_KILLFOCUS", 0x0008}, {"WM_ENABLE", 0x000A}, {"WM_SETREDRAW", 0x000B}, {"WM_SETTEXT", 0x000C}, {"WM_GETTEXT", 0x000D}, {"WM_GETTEXTLENGTH", 0x000E}, {"WM_PAINT", 0x000F}, {"WM_CLOSE", 0x0010}, {"WM_QUERYENDSESSION", 0x0011}, {"WM_QUIT", 0x0012}, {"WM_QUERYOPEN", 0x0013}, {"WM_ERASEBKGND", 0x0014}, {"WM_SYSCOLORCHANGE", 0x0015}, {"WM_ENDSESSION", 0x0016}, {"WM_SHOWWINDOW", 0x0018}, {"WM_SETTINGCHANGE", 0x001A}, {"WM_DEVMODECHANGE", 0x001B}, {"WM_ACTIVATEAPP", 0x001C}, {"WM_FONTCHANGE", 0x001D}, {"WM_TIMECHANGE", 0x001E}, {"WM_CANCELMODE", 0x001F}, {"WM_SETCURSOR", 0x0020}, {"WM_MOUSEACTIVATE", 0x0021}, {"WM_CHILDACTIVATE", 0x0022}, {"WM_QUEUESYNC", 0x0023}, {"WM_GETMINMAXINFO", 0x0024}, {"WM_PAINTICON", 0x0026}, {"WM_ICONERASEBKGND", 0x0027}, {"WM_NEXTDLGCTL", 0x0028}, {"WM_SPOOLERSTATUS", 0x002A}, {"WM_DRAWITEM", 0x002B}, {"WM_MEASUREITEM", 0x002C}, {"WM_DELETEITEM", 0x002D}, {"WM_VKEYTOITEM", 0x002E}, {"WM_CHARTOITEM", 0x002F}, {"WM_SETFONT", 0x0030}, {"WM_GETFONT", 0x0031}, {"WM_SETHOTKEY", 0x0032}, {"WM_GETHOTKEY", 0x0033}, {"WM_QUERYDRAGICON", 0x0037}, {"WM_COMPAREITEM", 0x0039}, {"WM_GETOBJECT", 0x003D}, {"WM_COMPACTING", 0x0041}, {"WM_COMMNOTIFY", 0x0044}, {"WM_WINDOWPOSCHANGING", 0x0046}, {"WM_WINDOWPOSCHANGED", 0x0047}, {"WM_POWER", 0x0048}, {"WM_COPYDATA", 0x004A}, {"WM_CANCELJOURNAL", 0x004B}, {"WM_NOTIFY", 0x004E}, {"WM_INPUTLANGCHANGEREQUEST", 0x0050}, {"WM_INPUTLANGCHANGE", 0x0051}, {"WM_TCARD", 0x0052}, {"WM_HELP", 0x0053}, {"WM_USERCHANGED", 0x0054}, {"WM_NOTIFYFORMAT", 0x0055}, {"WM_CONTEXTMENU", 0x007B}, {"WM_STYLECHANGING", 0x007C}, {"WM_STYLECHANGED", 0x007D}, {"WM_DISPLAYCHANGE", 0x007E}, {"WM_GETICON", 0x007F}, {"WM_SETICON", 0x0080}, {"WM_NCCREATE", 0x0081}, {"WM_NCDESTROY", 0x0082}, {"WM_NCCALCSIZE", 0x0083}, {"WM_NCHITTEST", 0x0084}, {"WM_NCPAINT", 0x0085}, {"WM_NCACTIVATE", 0x0086}, {"WM_GETDLGCODE", 0x0087}, {"WM_SYNCPAINT", 0x0088}, {"WM_NCMOUSEMOVE", 0x00A0}, {"WM_NCLBUTTONDOWN", 0x00A1}, {"WM_NCLBUTTONUP", 0x00A2}, {"WM_NCLBUTTONDBLCLK", 0x00A3}, {"WM_NCRBUTTONDOWN", 0x00A4}, {"WM_NCRBUTTONUP", 0x00A5}, {"WM_NCRBUTTONDBLCLK", 0x00A6}, {"WM_NCMBUTTONDOWN", 0x00A7}, {"WM_NCMBUTTONUP", 0x00A8}, {"WM_NCMBUTTONDBLCLK", 0x00A9}, {"EM_GETSEL", 0x00B0}, {"EM_SETSEL", 0x00B1}, {"EM_GETRECT", 0x00B2}, {"EM_SETRECT", 0x00B3}, {"EM_SETRECTNP", 0x00B4}, {"EM_SCROLL", 0x00B5}, {"EM_LINESCROLL", 0x00B6}, {"EM_SCROLLCARET", 0x00B7}, {"EM_GETMODIFY", 0x00B8}, {"EM_SETMODIFY", 0x00B9}, {"EM_GETLINECOUNT", 0x00BA}, {"EM_LINEINDEX", 0x00BB}, {"EM_SETHANDLE", 0x00BC}, {"EM_GETHANDLE", 0x00BD}, {"EM_GETTHUMB", 0x00BE}, {"EM_LINELENGTH", 0x00C1}, {"EM_REPLACESEL", 0x00C2}, {"EM_GETLINE", 0x00C4}, {"EM_LIMITTEXT", 0x00C5}, {"EM_CANUNDO", 0x00C6}, {"EM_UNDO", 0x00C7}, {"EM_FMTLINES", 0x00C8}, {"EM_LINEFROMCHAR", 0x00C9}, {"EM_SETTABSTOPS", 0x00CB}, {"EM_SETPASSWORDCHAR", 0x00CC}, {"EM_EMPTYUNDOBUFFER", 0x00CD}, {"EM_GETFIRSTVISIBLELINE", 0x00CE}, {"EM_SETREADONLY", 0x00CF}, {"EM_SETWORDBREAKPROC", 0x00D0}, {"EM_GETWORDBREAKPROC", 0x00D1}, {"EM_GETPASSWORDCHAR", 0x00D2}, {"EM_SETMARGINS", 0x00D3}, {"EM_GETMARGINS", 0x00D4}, {"EM_GETLIMITTEXT", 0x00D5}, {"EM_POSFROMCHAR", 0x00D6}, {"EM_CHARFROMPOS", 0x00D7}, {"EM_SETIMESTATUS", 0x00D8}, {"EM_GETIMESTATUS", 0x00D9}, {"SBM_SETPOS", 0x00E0}, {"SBM_GETPOS", 0x00E1}, {"SBM_SETRANGE", 0x00E2}, {"SBM_SETRANGEREDRAW", 0x00E6}, {"SBM_GETRANGE", 0x00E3}, {"SBM_ENABLE_ARROWS", 0x00E4}, {"SBM_SETSCROLLINFO", 0x00E9}, {"SBM_GETSCROLLINFO", 0x00EA}, {"WM_KEYDOWN", 0x0100}, {"WM_KEYUP", 0x0101}, {"WM_CHAR", 0x0102}, {"WM_DEADCHAR", 0x0103}, {"WM_SYSKEYDOWN", 0x0104}, {"WM_SYSKEYUP", 0x0105}, {"WM_SYSCHAR", 0x0106}, {"WM_SYSDEADCHAR", 0x0107}, {"WM_KEYLAST", 0x0108}, {"WM_IME_STARTCOMPOSITION", 0x010D}, {"WM_IME_ENDCOMPOSITION", 0x010E}, {"WM_IME_COMPOSITION", 0x010F}, {"WM_INITDIALOG", 0x0110}, {"WM_COMMAND", 0x0111}, {"WM_SYSCOMMAND", 0x0112}, {"WM_TIMER", 0x0113}, {"WM_HSCROLL", 0x0114}, {"WM_VSCROLL", 0x0115}, {"WM_INITMENU", 0x0116}, {"WM_INITMENUPOPUP", 0x0117}, {"WM_MENUSELECT", 0x011F}, {"WM_MENUCHAR", 0x0120}, {"WM_ENTERIDLE", 0x0121}, {"WM_MENURBUTTONUP", 0x0122}, {"WM_MENUDRAG", 0x0123}, {"WM_MENUGETOBJECT", 0x0124}, {"WM_UNINITMENUPOPUP", 0x0125}, {"WM_MENUCOMMAND", 0x0126}, {"WM_CTLCOLORMSGBOX", 0x0132}, {"WM_CTLCOLOREDIT", 0x0133}, {"WM_CTLCOLORLISTBOX", 0x0134}, {"WM_CTLCOLORBTN", 0x0135}, {"WM_CTLCOLORDLG", 0x0136}, {"WM_CTLCOLORSCROLLBAR", 0x0137}, {"WM_CTLCOLORSTATIC", 0x0138}, {"CB_GETEDITSEL", 0x0140}, {"CB_LIMITTEXT", 0x0141}, {"CB_SETEDITSEL", 0x0142}, {"CB_ADDSTRING", 0x0143}, {"CB_DELETESTRING", 0x0144}, {"CB_DIR", 0x0145}, {"CB_GETCOUNT", 0x0146}, {"CB_GETCURSEL", 0x0147}, {"CB_GETLBTEXT", 0x0148}, {"CB_GETLBTEXTLEN", 0x0149}, {"CB_INSERTSTRING", 0x014A}, {"CB_RESETCONTENT", 0x014B}, {"CB_FINDSTRING", 0x014C}, {"CB_SELECTSTRING", 0x014D}, {"CB_SETCURSEL", 0x014E}, {"CB_SHOWDROPDOWN", 0x014F}, {"CB_GETITEMDATA", 0x0150}, {"CB_SETITEMDATA", 0x0151}, {"CB_GETDROPPEDCONTROLRECT", 0x0152}, {"CB_SETITEMHEIGHT", 0x0153}, {"CB_GETITEMHEIGHT", 0x0154}, {"CB_SETEXTENDEDUI", 0x0155}, {"CB_GETEXTENDEDUI", 0x0156}, {"CB_GETDROPPEDSTATE", 0x0157}, {"CB_FINDSTRINGEXACT", 0x0158}, {"CB_SETLOCALE", 0x0159}, {"CB_GETLOCALE", 0x015A}, {"CB_GETTOPINDEX", 0x015b}, {"CB_SETTOPINDEX", 0x015c}, {"CB_GETHORIZONTALEXTENT", 0x015d}, {"CB_SETHORIZONTALEXTENT", 0x015e}, {"CB_GETDROPPEDWIDTH", 0x015f}, {"CB_SETDROPPEDWIDTH", 0x0160}, {"CB_INITSTORAGE", 0x0161}, {"CB_MSGMAX", 0x0162}, {"LB_ADDSTRING", 0x0180}, {"LB_INSERTSTRING", 0x0181}, {"LB_DELETESTRING", 0x0182}, {"LB_SELITEMRANGEEX", 0x0183}, {"LB_RESETCONTENT", 0x0184}, {"LB_SETSEL", 0x0185}, {"LB_SETCURSEL", 0x0186}, {"LB_GETSEL", 0x0187}, {"LB_GETCURSEL", 0x0188}, {"LB_GETTEXT", 0x0189}, {"LB_GETTEXTLEN", 0x018A}, {"LB_GETCOUNT", 0x018B}, {"LB_SELECTSTRING", 0x018C}, {"LB_DIR", 0x018D}, {"LB_GETTOPINDEX", 0x018E}, {"LB_FINDSTRING", 0x018F}, {"LB_GETSELCOUNT", 0x0190}, {"LB_GETSELITEMS", 0x0191}, {"LB_SETTABSTOPS", 0x0192}, {"LB_GETHORIZONTALEXTENT", 0x0193}, {"LB_SETHORIZONTALEXTENT", 0x0194}, {"LB_SETCOLUMNWIDTH", 0x0195}, {"LB_ADDFILE", 0x0196}, {"LB_SETTOPINDEX", 0x0197}, {"LB_GETITEMRECT", 0x0198}, {"LB_GETITEMDATA", 0x0199}, {"LB_SETITEMDATA", 0x019A}, {"LB_SELITEMRANGE", 0x019B}, {"LB_SETANCHORINDEX", 0x019C}, {"LB_GETANCHORINDEX", 0x019D}, {"LB_SETCARETINDEX", 0x019E}, {"LB_GETCARETINDEX", 0x019F}, {"LB_SETITEMHEIGHT", 0x01A0}, {"LB_GETITEMHEIGHT", 0x01A1}, {"LB_FINDSTRINGEXACT", 0x01A2}, {"LB_SETLOCALE", 0x01A5}, {"LB_GETLOCALE", 0x01A6}, {"LB_SETCOUNT", 0x01A7}, {"LB_INITSTORAGE", 0x01A8}, {"LB_ITEMFROMPOINT", 0x01A9}, {"LB_MSGMAX", 0x01B0}, {"WM_MOUSEMOVE", 0x0200}, {"WM_LBUTTONDOWN", 0x0201}, {"WM_LBUTTONUP", 0x0202}, {"WM_LBUTTONDBLCLK", 0x0203}, {"WM_RBUTTONDOWN", 0x0204}, {"WM_RBUTTONUP", 0x0205}, {"WM_RBUTTONDBLCLK", 0x0206}, {"WM_MBUTTONDOWN", 0x0207}, {"WM_MBUTTONUP", 0x0208}, {"WM_MBUTTONDBLCLK", 0x0209}, {"WM_MOUSEWHEEL", 0x020A}, {"WM_MOUSEHWHEEL", 0x020E}, {"WM_PARENTNOTIFY", 0x0210}, {"WM_ENTERMENULOOP", 0x0211}, {"WM_EXITMENULOOP", 0x0212}, {"WM_NEXTMENU", 0x0213}, {"WM_SIZING", 0x0214}, {"WM_CAPTURECHANGED", 0x0215}, {"WM_MOVING", 0x0216}, {"WM_POWERBROADCAST", 0x0218}, {"WM_DEVICECHANGE", 0x0219}, {"WM_MDICREATE", 0x0220}, {"WM_MDIDESTROY", 0x0221}, {"WM_MDIACTIVATE", 0x0222}, {"WM_MDIRESTORE", 0x0223}, {"WM_MDINEXT", 0x0224}, {"WM_MDIMAXIMIZE", 0x0225}, {"WM_MDITILE", 0x0226}, {"WM_MDICASCADE", 0x0227}, {"WM_MDIICONARRANGE", 0x0228}, {"WM_MDIGETACTIVE", 0x0229}, {"WM_MDISETMENU", 0x0230}, {"WM_ENTERSIZEMOVE", 0x0231}, {"WM_EXITSIZEMOVE", 0x0232}, {"WM_DROPFILES", 0x0233}, {"WM_MDIREFRESHMENU", 0x0234}, {"WM_IME_SETCONTEXT", 0x0281}, {"WM_IME_NOTIFY", 0x0282}, {"WM_IME_CONTROL", 0x0283}, {"WM_IME_COMPOSITIONFULL", 0x0284}, {"WM_IME_SELECT", 0x0285}, {"WM_IME_CHAR", 0x0286}, {"WM_IME_REQUEST", 0x0288}, {"WM_IME_KEYDOWN", 0x0290}, {"WM_IME_KEYUP", 0x0291}, {"WM_NCMOUSEHOVER", 0x02A0}, {"WM_MOUSEHOVER", 0x02A1}, {"WM_MOUSELEAVE", 0x02A3}, {"WM_CUT", 0x0300}, {"WM_COPY", 0x0301}, {"WM_PASTE", 0x0302}, {"WM_CLEAR", 0x0303}, {"WM_UNDO", 0x0304}, {"WM_RENDERFORMAT", 0x0305}, {"WM_RENDERALLFORMATS", 0x0306}, {"WM_DESTROYCLIPBOARD", 0x0307}, {"WM_DRAWCLIPBOARD", 0x0308}, {"WM_PAINTCLIPBOARD", 0x0309}, {"WM_VSCROLLCLIPBOARD", 0x030A}, {"WM_SIZECLIPBOARD", 0x030B}, {"WM_ASKCBFORMATNAME", 0x030C}, {"WM_CHANGECBCHAIN", 0x030D}, {"WM_HSCROLLCLIPBOARD", 0x030E}, {"WM_QUERYNEWPALETTE", 0x030F}, {"WM_PALETTEISCHANGING", 0x0310}, {"WM_PALETTECHANGED", 0x0311}, {"WM_HOTKEY", 0x0312}, {"WM_PRINT", 0x0317}, {"WM_PRINTCLIENT", 0x0318}, {"WM_THEMECHANGED", 0x031A}, {"WM_HANDHELDFIRST", 0x0358}, {"WM_HANDHELDLAST", 0x035F}, {"WM_AFXFIRST", 0x0360}, {"WM_AFXLAST", 0x037F}, {"WM_PENWINFIRST", 0x0380}, {"WM_PENWINLAST", 0x038F}, {"WM_APP", 0x8000}, {NULL, 0x0} }; static long gEventCounter = 0; static long gLastEventMsg = 0; void PrintEvent(UINT msg, PRBool aShowAllEvents, PRBool aShowMouseMoves) { int inx = 0; while (gAllEvents[inx].mId != (long)msg && gAllEvents[inx].mStr != NULL) { inx++; } if (aShowAllEvents || (!aShowAllEvents && gLastEventMsg != (long)msg)) { if (aShowMouseMoves || (!aShowMouseMoves && msg != 0x0020 && msg != 0x0200 && msg != 0x0084)) { printf("%6d - 0x%04X %s\n", gEventCounter++, msg, gAllEvents[inx].mStr ? gAllEvents[inx].mStr : "Unknown"); gLastEventMsg = msg; } } } #endif #define WM_XP_THEMECHANGED 0x031A // Static helper functions for heap dumping static nsresult HeapDump(const char *filename, const char *heading) { #ifdef WINCE return NS_ERROR_NOT_IMPLEMENTED; #else PRFileDesc *prfd = PR_Open(filename, PR_CREATE_FILE | PR_APPEND | PR_WRONLY, 0777); if (!prfd) return NS_ERROR_FAILURE; char buf[1024]; PRUint32 n; PRUint32 written = 0; HANDLE heapHandle[64]; DWORD nheap = GetProcessHeaps(64, heapHandle); if (nheap == 0 || nheap > 64) { return NS_ERROR_FAILURE; } n = PR_snprintf(buf, sizeof buf, "BEGIN HEAPDUMP : %s\n", heading); PR_Write(prfd, buf, n); for (DWORD i = 0; i < nheap; i++) { // Dump each heap PROCESS_HEAP_ENTRY ent = {0}; n = PR_snprintf(buf, sizeof buf, "BEGIN heap %d : 0x%p\n", i+1, heapHandle[i]); PR_Write(prfd, buf, n); ent.lpData = NULL; while (HeapWalk(heapHandle[i], &ent)) { if (ent.wFlags & PROCESS_HEAP_REGION) n = PR_snprintf(buf, sizeof buf, "REGION %08p : overhead %d committed %d uncommitted %d firstblock %08p lastblock %08p\n", ent.lpData, ent.cbOverhead, ent.Region.dwCommittedSize, ent.Region.dwUnCommittedSize, ent.Region.lpFirstBlock, ent.Region.lpLastBlock); else n = PR_snprintf(buf, sizeof buf, "%s %08p : %6d overhead %2d\n", (ent.wFlags & PROCESS_HEAP_UNCOMMITTED_RANGE) ? "----" : ((ent.wFlags & PROCESS_HEAP_ENTRY_BUSY) ? "USED" : "FREE"), ent.lpData, ent.cbData, ent.cbOverhead); PR_Write(prfd, buf, n); } n = PR_snprintf(buf, sizeof buf, "END heap %d : 0x%p\n", i+1, heapHandle[i]); PR_Write(prfd, buf, n); } n = PR_snprintf(buf, sizeof buf, "END HEAPDUMP : %s\n", heading); PR_Write(prfd, buf, n); PR_Close(prfd); return NS_OK; #endif // WINCE } // Recursively dispatch synchronous paints for nsIWidget // descendants with invalidated rectangles. BOOL CALLBACK nsWindow::DispatchStarvedPaints(HWND aWnd, LPARAM aMsg) { LONG proc = ::GetWindowLongW(aWnd, GWL_WNDPROC); if (proc == (LONG)&nsWindow::WindowProc) { // its one of our windows so check to see if it has a // invalidated rect. If it does. Dispatch a synchronous // paint. if (GetUpdateRect(aWnd, NULL, FALSE)) { VERIFY(::UpdateWindow(aWnd)); } } return TRUE; } // Check for pending paints and dispatch any pending paint // messages for any nsIWidget which is a descendant of the // top-level window that *this* window is embedded within. // // Note: We do not dispatch pending paint messages for non // nsIWidget managed windows. void nsWindow::DispatchPendingEvents() { gLastInputEventTime = PR_IntervalToMicroseconds(PR_IntervalNow()); // We need to ensure that reflow events do not get starved. // At the same time, we don't want to recurse through here // as that would prevent us from dispatching starved paints. static int recursionBlocker = 0; if (recursionBlocker++ == 0) { NS_ProcessPendingEvents(nsnull, PR_MillisecondsToInterval(100)); --recursionBlocker; } // Quickly check to see if there are any // paint events pending. if (::GetQueueStatus(QS_PAINT)) { // Find the top level window. HWND topWnd = GetTopLevelHWND(mWnd); // Dispatch pending paints for all topWnd's descendant windows. // Note: EnumChildWindows enumerates all descendant windows not just // it's children. ::EnumChildWindows(topWnd, nsWindow::DispatchStarvedPaints, NULL); } } #ifndef WINCE void nsWindow::PostSleepWakeNotification(const char* aNotification) { nsCOMPtr observerService = do_GetService("@mozilla.org/observer-service;1"); if (observerService) { observerService->NotifyObservers(nsnull, aNotification, nsnull); } } #endif void nsWindow::SetupModKeyState() { mIsShiftDown = IS_VK_DOWN(NS_VK_SHIFT); mIsControlDown = IS_VK_DOWN(NS_VK_CONTROL); mIsAltDown = IS_VK_DOWN(NS_VK_ALT); } PRBool nsWindow::ProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *aRetValue) { if (PluginHasFocus()) { PRBool callDefaultWndProc; MSG nativeMsg = InitMSG(msg, wParam, lParam); if (ProcessMessageForPlugin(nativeMsg, aRetValue, callDefaultWndProc)) return !callDefaultWndProc; } static UINT vkKeyCached = 0; // caches VK code fon WM_KEYDOWN PRBool result = PR_FALSE; // call the default nsWindow proc static PRBool getWheelInfo = PR_TRUE; *aRetValue = 0; PRBool isMozWindowTakingFocus = PR_TRUE; nsPaletteInfo palInfo; // Uncomment this to see all windows messages // first param shows all events // second param indicates whether to show mouse move events //PrintEvent(msg, PR_FALSE, PR_FALSE); switch (msg) { case WM_COMMAND: { WORD wNotifyCode = HIWORD(wParam); // notification code if ((CBN_SELENDOK == wNotifyCode) || (CBN_SELENDCANCEL == wNotifyCode)) { // Combo box change nsGUIEvent event(PR_TRUE, NS_CONTROL_CHANGE, this); nsIntPoint point(0,0); InitEvent(event, &point); // this add ref's event.widget result = DispatchWindowEvent(&event); } else if (wNotifyCode == 0) { // Menu selection nsMenuEvent event(PR_TRUE, NS_MENU_SELECTED, this); event.mCommand = LOWORD(wParam); InitEvent(event); result = DispatchWindowEvent(&event); } } break; #ifndef WINCE // WM_QUERYENDSESSION must be handled by all windows. // Otherwise Windows thinks the window can just be killed at will. case WM_QUERYENDSESSION: if (sCanQuit == TRI_UNKNOWN) { // Ask if it's ok to quit, and store the answer until we // get WM_ENDSESSION signaling the round is complete. nsCOMPtr obsServ = do_GetService("@mozilla.org/observer-service;1"); nsCOMPtr cancelQuit = do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID); cancelQuit->SetData(PR_FALSE); obsServ->NotifyObservers(cancelQuit, "quit-application-requested", nsnull); PRBool abortQuit; cancelQuit->GetData(&abortQuit); sCanQuit = abortQuit ? TRI_FALSE : TRI_TRUE; } *aRetValue = sCanQuit ? TRUE : FALSE; result = PR_TRUE; break; case WM_ENDSESSION: if (wParam == TRUE && sCanQuit == TRI_TRUE) { // Let's fake a shutdown sequence without actually closing windows etc. // to avoid Windows killing us in the middle. A proper shutdown would // require having a chance to pump some messages. Unfortunately // Windows won't let us do that. Bug 212316. nsCOMPtr obsServ = do_GetService("@mozilla.org/observer-service;1"); NS_NAMED_LITERAL_STRING(context, "shutdown-persist"); obsServ->NotifyObservers(nsnull, "quit-application-granted", nsnull); obsServ->NotifyObservers(nsnull, "quit-application-forced", nsnull); obsServ->NotifyObservers(nsnull, "quit-application", nsnull); obsServ->NotifyObservers(nsnull, "profile-change-net-teardown", context.get()); obsServ->NotifyObservers(nsnull, "profile-change-teardown", context.get()); obsServ->NotifyObservers(nsnull, "profile-before-change", context.get()); // Then a controlled but very quick exit. _exit(0); } sCanQuit = TRI_UNKNOWN; result = PR_TRUE; break; case WM_DISPLAYCHANGE: DispatchStandardEvent(NS_DISPLAYCHANGED); break; #endif case WM_SYSCOLORCHANGE: // Note: This is sent for child windows as well as top-level windows. // The Win32 toolkit normally only sends these events to top-level windows. // But we cycle through all of the childwindows and send it to them as well // so all presentations get notified properly. // See nsWindow::GlobalMsgWindowProc. DispatchStandardEvent(NS_SYSCOLORCHANGED); break; case WM_NOTIFY: // TAB change { LPNMHDR pnmh = (LPNMHDR) lParam; switch (pnmh->code) { case TCN_SELCHANGE: { DispatchStandardEvent(NS_TABCHANGE); result = PR_TRUE; } break; } } break; case WM_XP_THEMECHANGED: { DispatchStandardEvent(NS_THEMECHANGED); // Invalidate the window so that the repaint will // pick up the new theme. Invalidate(PR_FALSE); } break; case WM_FONTCHANGE: { nsresult rv; PRBool didChange = PR_FALSE; // update the global font list nsCOMPtr fontEnum = do_GetService("@mozilla.org/gfx/fontenumerator;1", &rv); if (NS_SUCCEEDED(rv)) { fontEnum->UpdateFontList(&didChange); //didChange is TRUE only if new font langGroup is added to the list. if (didChange) { // update device context font cache // Dirty but easiest way: // Changing nsIPrefBranch entry which triggers callbacks // and flows into calling mDeviceContext->FlushFontCache() // to update the font cache in all the instance of Browsers nsCOMPtr prefs = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefs) { nsCOMPtr fiPrefs; prefs->GetBranch("font.internaluseonly.", getter_AddRefs(fiPrefs)); if (fiPrefs) { PRBool fontInternalChange = PR_FALSE; fiPrefs->GetBoolPref("changed", &fontInternalChange); fiPrefs->SetBoolPref("changed", !fontInternalChange); } } } } //if (NS_SUCCEEDED(rv)) } break; #ifndef WINCE case WM_POWERBROADCAST: // only hidden window handle this // to prevent duplicate notification if (mWindowType == eWindowType_invisible) { switch (wParam) { case PBT_APMSUSPEND: PostSleepWakeNotification("sleep_notification"); break; case PBT_APMRESUMEAUTOMATIC: case PBT_APMRESUMECRITICAL: case PBT_APMRESUMESUSPEND: PostSleepWakeNotification("wake_notification"); break; } } break; #endif case WM_MOVE: // Window moved { PRInt32 x = GET_X_LPARAM(lParam); // horizontal position in screen coordinates PRInt32 y = GET_Y_LPARAM(lParam); // vertical position in screen coordinates result = OnMove(x, y); } break; case WM_CLOSE: // close request DispatchStandardEvent(NS_XUL_CLOSE); result = PR_TRUE; // abort window closure break; case WM_DESTROY: // clean up. OnDestroy(); result = PR_TRUE; break; case WM_PAINT: *aRetValue = (int) OnPaint(); result = PR_TRUE; break; #ifndef WINCE case WM_PRINTCLIENT: result = OnPaint((HDC) wParam); break; #endif #ifdef WINCE // This needs to move into nsIDOMKeyEvent.idl && nsGUIEvent.h case WM_HOTKEY: { // SmartPhones has a one or two menu buttons at the // bottom of the screen. They are dispatched via a // menu resource, rather then a hotkey. To make // this look consistent, we have mapped this menu to // fire hotkey events. See // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/win_ce/html/pwc_TheBackButtonandOtherInterestingButtons.asp if (VK_TSOFT1 == HIWORD(lParam) && (0 != (MOD_KEYUP & LOWORD(lParam)))) { keybd_event(VK_F19, 0, 0, 0); keybd_event(VK_F19, 0, KEYEVENTF_KEYUP, 0); result = 0; break; } if (VK_TSOFT2 == HIWORD(lParam) && (0 != (MOD_KEYUP & LOWORD(lParam)))) { keybd_event(VK_F20, 0, 0, 0); keybd_event(VK_F20, 0, KEYEVENTF_KEYUP, 0); result = 0; break; } if (VK_TBACK == HIWORD(lParam) && (0 != (MOD_KEYUP & LOWORD(lParam)))) { keybd_event(VK_BACK, 0, 0, 0); keybd_event(VK_BACK, 0, KEYEVENTF_KEYUP, 0); result = 0; break; } switch (wParam) { case VK_APP1: keybd_event(VK_F1, 0, 0, 0); keybd_event(VK_F1, 0, KEYEVENTF_KEYUP, 0); result = 0; break; case VK_APP2: keybd_event(VK_F2, 0, 0, 0); keybd_event(VK_F2, 0, KEYEVENTF_KEYUP, 0); result = 0; break; case VK_APP3: keybd_event(VK_F3, 0, 0, 0); keybd_event(VK_F3, 0, KEYEVENTF_KEYUP, 0); result = 0; break; case VK_APP4: keybd_event(VK_F4, 0, 0, 0); keybd_event(VK_F4, 0, KEYEVENTF_KEYUP, 0); result = 0; break; case VK_APP5: keybd_event(VK_F5, 0, 0, 0); keybd_event(VK_F5, 0, KEYEVENTF_KEYUP, 0); result = 0; break; case VK_APP6: keybd_event(VK_F6, 0, 0, 0); keybd_event(VK_F6, 0, KEYEVENTF_KEYUP, 0); result = 0; break; } } break; #endif case WM_SYSCHAR: case WM_CHAR: { MSG nativeMsg = InitMSG(msg, wParam, lParam); result = ProcessCharMessage(nativeMsg, nsnull); DispatchPendingEvents(); } break; case WM_SYSKEYUP: case WM_KEYUP: { MSG nativeMsg = InitMSG(msg, wParam, lParam); result = ProcessKeyUpMessage(nativeMsg, nsnull); DispatchPendingEvents(); } break; case WM_SYSKEYDOWN: case WM_KEYDOWN: { MSG nativeMsg = InitMSG(msg, wParam, lParam); result = ProcessKeyDownMessage(nativeMsg, nsnull); DispatchPendingEvents(); } break; // say we've dealt with erase background if widget does // not need auto-erasing case WM_ERASEBKGND: if (! AutoErase()) { *aRetValue = 1; result = PR_TRUE; } break; case WM_GETDLGCODE: *aRetValue = DLGC_WANTALLKEYS; result = PR_TRUE; break; case WM_MOUSEMOVE: { // Suppress dispatch of pending events // when mouse moves are generated by widget // creation instead of user input. LPARAM lParamScreen = lParamToScreen(lParam); POINT mp; mp.x = GET_X_LPARAM(lParamScreen); mp.y = GET_Y_LPARAM(lParamScreen); PRBool userMovedMouse = PR_FALSE; if ((gLastMouseMovePoint.x != mp.x) || (gLastMouseMovePoint.y != mp.y)) { userMovedMouse = PR_TRUE; } result = DispatchMouseEvent(NS_MOUSE_MOVE, wParam, lParam); if (userMovedMouse) { DispatchPendingEvents(); } } break; case WM_LBUTTONDOWN: //SetFocus(); // this is bad //RelayMouseEvent(msg,wParam, lParam); { // check whether IME window do mouse operation if (IMEMouseHandling(IMEMOUSE_LDOWN, lParam)) break; result = DispatchMouseEvent(NS_MOUSE_BUTTON_DOWN, wParam, lParam, PR_FALSE, nsMouseEvent::eLeftButton); DispatchPendingEvents(); } break; case WM_LBUTTONUP: //RelayMouseEvent(msg,wParam, lParam); result = DispatchMouseEvent(NS_MOUSE_BUTTON_UP, wParam, lParam, PR_FALSE, nsMouseEvent::eLeftButton); DispatchPendingEvents(); break; #ifndef WINCE case WM_MOUSELEAVE: { // We need to check mouse button states and put them in for // wParam. WPARAM mouseState = (GetKeyState(VK_LBUTTON) ? MK_LBUTTON : 0) | (GetKeyState(VK_MBUTTON) ? MK_MBUTTON : 0) | (GetKeyState(VK_RBUTTON) ? MK_RBUTTON : 0); // Synthesize an event position because we don't get one from // WM_MOUSELEAVE. LPARAM pos = lParamToClient(::GetMessagePos()); DispatchMouseEvent(NS_MOUSE_EXIT, mouseState, pos); } break; #endif case WM_CONTEXTMENU: { // if the context menu is brought up from the keyboard, |lParam| // will be maxlong. LPARAM pos; PRBool contextMenukey = PR_FALSE; if (lParam == 0xFFFFFFFF) { contextMenukey = PR_TRUE; pos = lParamToClient(GetMessagePos()); } else { pos = lParamToClient(lParam); } result = DispatchMouseEvent(NS_CONTEXTMENU, wParam, pos, contextMenukey, contextMenukey ? nsMouseEvent::eLeftButton : nsMouseEvent::eRightButton); } break; case WM_LBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_DOUBLECLICK, wParam, lParam, PR_FALSE, nsMouseEvent::eLeftButton); break; case WM_MBUTTONDOWN: { // check whether IME window do mouse operation if (IMEMouseHandling(IMEMOUSE_MDOWN, lParam)) break; result = DispatchMouseEvent(NS_MOUSE_BUTTON_DOWN, wParam, lParam, PR_FALSE, nsMouseEvent::eMiddleButton); DispatchPendingEvents(); } break; case WM_MBUTTONUP: result = DispatchMouseEvent(NS_MOUSE_BUTTON_UP, wParam, lParam, PR_FALSE, nsMouseEvent::eMiddleButton); DispatchPendingEvents(); break; case WM_MBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_BUTTON_DOWN, wParam, lParam, PR_FALSE, nsMouseEvent::eMiddleButton); break; case WM_RBUTTONDOWN: { // check whether IME window do mouse operation if (IMEMouseHandling(IMEMOUSE_RDOWN, lParam)) break; result = DispatchMouseEvent(NS_MOUSE_BUTTON_DOWN, wParam, lParam, PR_FALSE, nsMouseEvent::eRightButton); DispatchPendingEvents(); } break; case WM_RBUTTONUP: result = DispatchMouseEvent(NS_MOUSE_BUTTON_UP, wParam, lParam, PR_FALSE, nsMouseEvent::eRightButton); DispatchPendingEvents(); break; case WM_RBUTTONDBLCLK: result = DispatchMouseEvent(NS_MOUSE_DOUBLECLICK, wParam, lParam, PR_FALSE, nsMouseEvent::eRightButton); break; case WM_APPCOMMAND: { PRUint32 appCommand = GET_APPCOMMAND_LPARAM(lParam); switch (appCommand) { case APPCOMMAND_BROWSER_BACKWARD: case APPCOMMAND_BROWSER_FORWARD: case APPCOMMAND_BROWSER_REFRESH: case APPCOMMAND_BROWSER_STOP: case APPCOMMAND_BROWSER_SEARCH: case APPCOMMAND_BROWSER_FAVORITES: case APPCOMMAND_BROWSER_HOME: DispatchCommandEvent(appCommand); // tell the driver that we handled the event *aRetValue = 1; result = PR_TRUE; break; } // default = PR_FALSE - tell the driver that the event was not handled } break; case WM_HSCROLL: case WM_VSCROLL: // check for the incoming nsWindow handle to be null in which case // we assume the message is coming from a horizontal scrollbar inside // a listbox and we don't bother processing it (well, we don't have to) if (lParam) { nsWindow* scrollbar = GetNSWindowPtr((HWND)lParam); if (scrollbar) { result = scrollbar->OnScroll(LOWORD(wParam), (short)HIWORD(wParam)); } } break; case WM_CTLCOLORLISTBOX: case WM_CTLCOLOREDIT: case WM_CTLCOLORBTN: //case WM_CTLCOLORSCROLLBAR: //XXX causes the scrollbar to be drawn incorrectly case WM_CTLCOLORSTATIC: if (lParam) { nsWindow* control = GetNSWindowPtr((HWND)lParam); if (control) { control->SetUpForPaint((HDC)wParam); *aRetValue = (LPARAM)control->OnControlColor(); } } result = PR_TRUE; break; case WM_ACTIVATE: if (mEventCallback) { PRInt32 fActive = LOWORD(wParam); if (WA_INACTIVE == fActive) { gJustGotDeactivate = PR_TRUE; if (mIsTopWidgetWindow) #ifndef WINCE mLastKeyboardLayout = gKbdLayout.GetLayout(); #else ; #endif } else { gJustGotActivate = PR_TRUE; nsMouseEvent event(PR_TRUE, NS_MOUSE_ACTIVATE, this, nsMouseEvent::eReal); InitEvent(event); event.acceptActivation = PR_TRUE; PRBool result = DispatchWindowEvent(&event); #ifndef WINCE if (event.acceptActivation) *aRetValue = MA_ACTIVATE; else *aRetValue = MA_NOACTIVATE; if (gSwitchKeyboardLayout && mLastKeyboardLayout) ActivateKeyboardLayout(mLastKeyboardLayout, 0); #else *aRetValue = 0; #endif } } break; #ifndef WINCE case WM_MOUSEACTIVATE: if (mWindowType == eWindowType_popup) { // a popup with a parent owner should not be activated when clicked // but should still allow the mouse event to be fired, so the return // value is set to MA_NOACTIVATE. But if the owner isn't the frontmost // window, just use default processing so that the window is activated. HWND owner = ::GetWindow(mWnd, GW_OWNER); if (owner && owner == ::GetForegroundWindow()) { *aRetValue = MA_NOACTIVATE; result = PR_TRUE; } } break; case WM_WINDOWPOSCHANGING: { LPWINDOWPOS info = (LPWINDOWPOS) lParam; // enforce local z-order rules if (!(info->flags & SWP_NOZORDER)) ConstrainZLevel(&info->hwndInsertAfter); // prevent rude external programs from making hidden window visible if (mWindowType == eWindowType_invisible) info->flags &= ~SWP_SHOWWINDOW; } break; #endif case WM_SETFOCUS: result = DispatchFocus(NS_GOTFOCUS, PR_TRUE); if (gJustGotActivate) { gJustGotActivate = PR_FALSE; gJustGotDeactivate = PR_FALSE; result = DispatchFocus(NS_ACTIVATE, PR_TRUE); } #ifdef ACCESSIBILITY if (nsWindow::gIsAccessibilityOn) { // Create it for the first time so that it can start firing events nsCOMPtr rootAccessible = GetRootAccessible(); } #endif #ifdef WINCE // On Windows CE, we have a window that overlaps // the ISP button. In this case, we should always // try to hide it when we are activated if (mWindowType == eWindowType_dialog || mWindowType == eWindowType_toplevel) { // This should work on all platforms, but it doesn't... SHFullScreen(mWnd, SHFS_HIDESIPBUTTON); HWND hWndSIP = FindWindow( _T( "MS_SIPBUTTON" ), NULL ); if (hWndSIP) { ShowWindow( hWndSIP, SW_HIDE ); SetWindowPos(hWndSIP, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); } } { // Get current input context HIMC hC = ImmGetContext(mWnd); // Open the IME ImmSetOpenStatus(hC, TRUE); // Set "multi-press" input mode ImmEscapeW(NULL, hC, IME_ESC_SET_MODE, (LPVOID)IM_SPELL); } #endif break; case WM_KILLFOCUS: #ifdef WINCE { // Get current input context HIMC hC = ImmGetContext(mWnd); // Close the IME ImmSetOpenStatus(hC, FALSE); } #endif WCHAR className[kMaxClassNameLength]; ::GetClassNameW((HWND)wParam, className, kMaxClassNameLength); if (wcscmp(className, kClassNameUI) && wcscmp(className, kClassNameContent) && wcscmp(className, kClassNameContentFrame) && wcscmp(className, kClassNameDialog) && wcscmp(className, kClassNameGeneral)) { isMozWindowTakingFocus = PR_FALSE; } if (gJustGotDeactivate) { gJustGotDeactivate = PR_FALSE; result = DispatchFocus(NS_DEACTIVATE, isMozWindowTakingFocus); } result = DispatchFocus(NS_LOSTFOCUS, isMozWindowTakingFocus); break; case WM_WINDOWPOSCHANGED: { WINDOWPOS *wp = (LPWINDOWPOS)lParam; // We only care about a resize, so filter out things like z-order // changes. Note: there's a WM_MOVE handler above which is why we're // not handling them here... if (0 == (wp->flags & SWP_NOSIZE)) { // XXX Why are we using the client size area? If the size notification // is for the client area then the origin should be (0,0) and not // the window origin in screen coordinates... RECT r; ::GetWindowRect(mWnd, &r); PRInt32 newWidth, newHeight; newWidth = PRInt32(r.right - r.left); newHeight = PRInt32(r.bottom - r.top); nsIntRect rect(wp->x, wp->y, newWidth, newHeight); #ifdef MOZ_XUL if (eTransparencyTransparent == mTransparencyMode) ResizeTranslucentWindow(newWidth, newHeight); #endif if (newWidth > mLastSize.width) { RECT drect; //getting wider drect.left = wp->x + mLastSize.width; drect.top = wp->y; drect.right = drect.left + (newWidth - mLastSize.width); drect.bottom = drect.top + newHeight; ::RedrawWindow(mWnd, &drect, NULL, RDW_INVALIDATE | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ERASENOW | RDW_ALLCHILDREN); } if (newHeight > mLastSize.height) { RECT drect; //getting taller drect.left = wp->x; drect.top = wp->y + mLastSize.height; drect.right = drect.left + newWidth; drect.bottom = drect.top + (newHeight - mLastSize.height); ::RedrawWindow(mWnd, &drect, NULL, RDW_INVALIDATE | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_ERASENOW | RDW_ALLCHILDREN); } mBounds.width = newWidth; mBounds.height = newHeight; mLastSize.width = newWidth; mLastSize.height = newHeight; ///nsRect rect(wp->x, wp->y, wp->cx, wp->cy); // If we're being minimized, don't send the resize event to Gecko because // it will cause the scrollbar in the content area to go away and we'll // forget the scroll position of the page. Note that we need to check the // toplevel window, because child windows seem to go to 0x0 on minimize. HWND toplevelWnd = GetTopLevelHWND(mWnd); if ( !newWidth && !newHeight && IsIconic(toplevelWnd)) { result = PR_FALSE; break; } // recalculate the width and height // this time based on the client area if (::GetClientRect(mWnd, &r)) { rect.width = PRInt32(r.right - r.left); rect.height = PRInt32(r.bottom - r.top); } result = OnResize(rect); } /* handle size mode changes (the framechanged message seems a handy place to hook in, because it happens early enough (WM_SIZE is too late) and because in testing it seems an accurate harbinger of an impending min/max/restore change (WM_NCCALCSIZE would also work, but it's also sent when merely resizing.)) */ if (wp->flags & SWP_FRAMECHANGED && ::IsWindowVisible(mWnd)) { nsSizeModeEvent event(PR_TRUE, NS_SIZEMODE, this); #ifndef WINCE WINDOWPLACEMENT pl; pl.length = sizeof(pl); ::GetWindowPlacement(mWnd, &pl); if (pl.showCmd == SW_SHOWMAXIMIZED) event.mSizeMode = nsSizeMode_Maximized; else if (pl.showCmd == SW_SHOWMINIMIZED) event.mSizeMode = nsSizeMode_Minimized; else event.mSizeMode = nsSizeMode_Normal; #else event.mSizeMode = nsSizeMode_Normal; #endif InitEvent(event); result = DispatchWindowEvent(&event); #ifndef WINCE if (pl.showCmd == SW_SHOWMINIMIZED) { // Deactivate WCHAR className[kMaxClassNameLength]; ::GetClassNameW((HWND)wParam, className, kMaxClassNameLength); if (wcscmp(className, kClassNameUI) && wcscmp(className, kClassNameContent) && wcscmp(className, kClassNameContentFrame) && wcscmp(className, kClassNameDialog) && wcscmp(className, kClassNameGeneral)) { isMozWindowTakingFocus = PR_FALSE; } gJustGotDeactivate = PR_FALSE; result = DispatchFocus(NS_DEACTIVATE, isMozWindowTakingFocus); } else if (pl.showCmd == SW_SHOWNORMAL){ // Make sure we're active result = DispatchFocus(NS_GOTFOCUS, PR_TRUE); result = DispatchFocus(NS_ACTIVATE, PR_TRUE); } #else result = DispatchFocus(NS_GOTFOCUS, PR_TRUE); result = DispatchFocus(NS_ACTIVATE, PR_TRUE); #endif } } break; case WM_SETTINGCHANGE: getWheelInfo = PR_TRUE; break; case WM_PALETTECHANGED: if ((HWND)wParam == mWnd) { // We caused the WM_PALETTECHANGED message so avoid realizing // another foreground palette result = PR_TRUE; break; } // fall thru... case WM_QUERYNEWPALETTE: // this window is about to become active mContext->GetPaletteInfo(palInfo); if (palInfo.isPaletteDevice && palInfo.palette) { HDC hDC = ::GetDC(mWnd); HPALETTE hOldPal = ::SelectPalette(hDC, (HPALETTE)palInfo.palette, TRUE); // Realize the drawing palette int i = ::RealizePalette(hDC); #ifdef DEBUG //printf("number of colors that changed=%d\n",i); #endif // we should always invalidate.. because the lookup may have changed ::InvalidateRect(mWnd, (LPRECT)NULL, TRUE); ::ReleaseDC(mWnd, hDC); *aRetValue = TRUE; } result = PR_TRUE; break; #ifndef WINCE case WM_INPUTLANGCHANGEREQUEST: *aRetValue = TRUE; result = PR_FALSE; break; case WM_INPUTLANGCHANGE: result = OnInputLangChange((HKL)lParam); break; case WM_IME_STARTCOMPOSITION: result = OnIMEStartComposition(); break; case WM_IME_COMPOSITION: result = OnIMEComposition(lParam); break; case WM_IME_ENDCOMPOSITION: result = OnIMEEndComposition(); break; case WM_IME_CHAR: // We receive double byte char code. No need to worry about the mIsShiftDown = PR_FALSE; result = OnIMEChar((wchar_t)wParam, lParam); break; case WM_IME_NOTIFY: result = OnIMENotify(wParam, lParam); break; // This is a Window 98/2000 only message case WM_IME_REQUEST: result = OnIMERequest(wParam, lParam, aRetValue); break; case WM_IME_SELECT: result = OnIMESelect(wParam, (WORD)(lParam & 0x0FFFF)); break; case WM_IME_SETCONTEXT: result = OnIMESetContext(wParam, lParam); break; case WM_DROPFILES: { #if 0 HDROP hDropInfo = (HDROP) wParam; UINT nFiles = ::DragQueryFile(hDropInfo, (UINT)-1, NULL, 0); for (UINT iFile = 0; iFile < nFiles; iFile++) { TCHAR szFileName[_MAX_PATH]; ::DragQueryFile(hDropInfo, iFile, szFileName, _MAX_PATH); #ifdef DEBUG printf("szFileName [%s]\n", szFileName); #endif // DEBUG nsAutoString fileStr(szFileName); nsEventStatus status; nsDragDropEvent event(NS_DRAGDROP_EVENT, this); InitEvent(event); event.mType = nsDragDropEventStatus_eDrop; event.mIsFileURL = PR_FALSE; event.mURL = fileStr.get(); DispatchEvent(&event, status); } #endif // 0 } break; #endif // WINCE case WM_DESTROYCLIPBOARD: { nsIClipboard* clipboard; nsresult rv = CallGetService(kCClipboardCID, &clipboard); clipboard->EmptyClipboard(nsIClipboard::kGlobalClipboard); NS_RELEASE(clipboard); } break; #ifdef ACCESSIBILITY case WM_GETOBJECT: { *aRetValue = 0; if (lParam == OBJID_CLIENT) { // oleacc.dll will be loaded dynamically nsCOMPtr rootAccessible = GetRootAccessible(); // Held by a11y cache if (rootAccessible) { IAccessible *msaaAccessible = NULL; rootAccessible->GetNativeInterface((void**)&msaaAccessible); // does an addref if (msaaAccessible) { *aRetValue = LresultFromObject(IID_IAccessible, wParam, msaaAccessible); // does an addref msaaAccessible->Release(); // release extra addref result = PR_TRUE; // We handled the WM_GETOBJECT message } } } } #endif #ifndef WINCE case WM_SYSCOMMAND: // prevent Windows from trimming the working set. bug 76831 if (!gTrimOnMinimize && wParam == SC_MINIMIZE) { ::ShowWindow(mWnd, SW_SHOWMINIMIZED); result = PR_TRUE; } break; #endif #ifdef WINCE case WM_HIBERNATE: nsMemory::HeapMinimize(PR_TRUE); break; #endif default: { // Handle both flavors of mouse wheel events. #ifndef WINCE if (msg == WM_MOUSEWHEEL || msg == WM_MOUSEHWHEEL) { static int iDeltaPerLine, iDeltaPerChar; static ULONG ulScrollLines, ulScrollChars = 1; static int currentVDelta, currentHDelta; static HWND currentWindow = 0; PRBool isVertical = msg == WM_MOUSEWHEEL; // Get mouse wheel metrics (but only once). if (getWheelInfo) { getWheelInfo = PR_FALSE; SystemParametersInfo (SPI_GETWHEELSCROLLLINES, 0, &ulScrollLines, 0); // ulScrollLines usually equals 3 or 0 (for no scrolling) // WHEEL_DELTA equals 120, so iDeltaPerLine will be 40. // However, if ulScrollLines > WHEEL_DELTA, we assume that // the mouse driver wants a page scroll. The docs state that // ulScrollLines should explicitly equal WHEEL_PAGESCROLL, but // since some mouse drivers use an arbitrary large number instead, // we have to handle that as well. iDeltaPerLine = 0; if (ulScrollLines) { if (ulScrollLines <= WHEEL_DELTA) { iDeltaPerLine = WHEEL_DELTA / ulScrollLines; } else { ulScrollLines = WHEEL_PAGESCROLL; } } if (!SystemParametersInfo(SPI_GETWHEELSCROLLCHARS, 0, &ulScrollChars, 0)) { // Note that we may always fail to get the value before Win Vista. ulScrollChars = 1; } iDeltaPerChar = 0; if (ulScrollChars) { if (ulScrollChars <= WHEEL_DELTA) { iDeltaPerChar = WHEEL_DELTA / ulScrollChars; } else { ulScrollChars = WHEEL_PAGESCROLL; } } } if ((isVertical && ulScrollLines != WHEEL_PAGESCROLL && !iDeltaPerLine) || (!isVertical && ulScrollChars != WHEEL_PAGESCROLL && !iDeltaPerChar)) return 0; // The mousewheel event will be dispatched to the toplevel // window. We need to give it to the child window POINT point; point.x = GET_X_LPARAM(lParam); point.y = GET_Y_LPARAM(lParam); HWND destWnd = ::WindowFromPoint(point); // Since we receive mousewheel events for as long as // we are focused, it's entirely possible that there // is another app's window or no window under the // pointer. if (!destWnd) { // No window is under the pointer break; } // We don't care about windows belonging to other processes. DWORD processId = 0; GetWindowThreadProcessId(destWnd, &processId); if (processId != GetCurrentProcessId()) { // Somebody elses window break; } nsWindow* destWindow = GetNSWindowPtr(destWnd); if (!destWindow || destWindow->mIsPluginWindow) { // Some other app, or a plugin window. // Windows directs WM_MOUSEWHEEL to the focused window. // However, Mozilla does not like plugins having focus, so a // Mozilla window (ie, the plugin's parent (us!) has focus.) // Therefore, plugins etc _should_ get first grab at the // message, but this focus vaguary means the plugin misses // out. If the window is a child of ours, forward it on. // Determine if a child by walking the parent list until // we find a parent matching our wndproc. HWND parentWnd = ::GetParent(destWnd); while (parentWnd) { nsWindow* parentWindow = GetNSWindowPtr(parentWnd); if (parentWindow) { // We have a child window - quite possibly a plugin window. // However, not all plugins are created equal - some will handle this message themselves, // some will forward directly back to us, while others will call DefWndProc, which // itself still forwards back to us. // So if we have sent it once, we need to handle it ourself. if (mIsInMouseWheelProcessing) { destWnd = parentWnd; destWindow = parentWindow; } else { // First time we have seen this message. // Call the child - either it will consume it, or // it will wind it's way back to us, triggering the destWnd case above. // either way, when the call returns, we are all done with the message, mIsInMouseWheelProcessing = PR_TRUE; if (0 == ::SendMessageW(destWnd, msg, wParam, lParam)) { result = PR_TRUE; // consumed - don't call DefWndProc } destWnd = nsnull; mIsInMouseWheelProcessing = PR_FALSE; } break; // stop parent search } parentWnd = ::GetParent(parentWnd); } // while parentWnd } if (destWnd == nsnull) break; // done with this message. if (destWnd != mWnd) { if (destWindow) { return destWindow->ProcessMessage(msg, wParam, lParam, aRetValue); } #ifdef DEBUG else printf("WARNING: couldn't get child window for MW event\n"); #endif } // We should cancel the surplus delta if the current window is not // same as previous. if (currentWindow != mWnd) { currentVDelta = 0; currentHDelta = 0; currentWindow = mWnd; } nsMouseScrollEvent scrollEvent(PR_TRUE, NS_MOUSE_SCROLL, this); scrollEvent.delta = 0; if (isVertical) { scrollEvent.scrollFlags = nsMouseScrollEvent::kIsVertical; if (ulScrollLines == WHEEL_PAGESCROLL) { scrollEvent.scrollFlags |= nsMouseScrollEvent::kIsFullPage; scrollEvent.delta = (((short) HIWORD (wParam)) > 0) ? -1 : 1; } else { currentVDelta -= (short) HIWORD (wParam); if (PR_ABS(currentVDelta) >= iDeltaPerLine) { scrollEvent.delta = currentVDelta / iDeltaPerLine; currentVDelta %= iDeltaPerLine; } } } else { scrollEvent.scrollFlags = nsMouseScrollEvent::kIsHorizontal; if (ulScrollChars == WHEEL_PAGESCROLL) { scrollEvent.scrollFlags |= nsMouseScrollEvent::kIsFullPage; scrollEvent.delta = (((short) HIWORD (wParam)) > 0) ? 1 : -1; } else { currentHDelta += (short) HIWORD (wParam); if (PR_ABS(currentHDelta) >= iDeltaPerChar) { scrollEvent.delta = currentHDelta / iDeltaPerChar; currentHDelta %= iDeltaPerChar; } } } scrollEvent.isShift = IS_VK_DOWN(NS_VK_SHIFT); scrollEvent.isControl = IS_VK_DOWN(NS_VK_CONTROL); scrollEvent.isMeta = PR_FALSE; scrollEvent.isAlt = IS_VK_DOWN(NS_VK_ALT); InitEvent(scrollEvent); if (nsnull != mEventCallback) { result = DispatchWindowEvent(&scrollEvent); } // Note that we should return zero if we process WM_MOUSEWHEEL. // But if we process WM_MOUSEHWHEEL, we should return non-zero. if (result) *aRetValue = isVertical ? 0 : TRUE; } // msg == WM_MOUSEWHEEL || msg == WM_MOUSEHWHEEL else if (msg == nsWindow::uWM_HEAP_DUMP) { // XXX for now we use c:\heapdump.txt until we figure out how to // XXX pass in message parameters. HeapDump("c:\\heapdump.txt", "whatever"); result = PR_TRUE; } #endif // WINCE #ifdef NS_ENABLE_TSF else if (msg == WM_USER_TSF_TEXTCHANGE) { nsTextStore::OnTextChangeMsg(); } #endif //NS_ENABLE_TSF } break; #ifndef WINCE case WM_DWMCOMPOSITIONCHANGED: BroadcastMsg(mWnd, WM_DWMCOMPOSITIONCHANGED); DispatchStandardEvent(NS_THEMECHANGED); if (nsUXThemeData::CheckForCompositor() && mTransparencyMode == eTransparencyGlass) { MARGINS margins = { -1, -1, -1, -1 }; nsUXThemeData::dwmExtendFrameIntoClientAreaPtr(mWnd, &margins); } Invalidate(PR_FALSE); break; #endif } //*aRetValue = result; if (mWnd) { return result; } else { //Events which caused mWnd destruction and aren't consumed //will crash during the Windows default processing. return PR_TRUE; } } LRESULT nsWindow::ProcessCharMessage(const MSG &aMsg, PRBool *aEventDispatched) { NS_PRECONDITION(aMsg.message == WM_CHAR || aMsg.message == WM_SYSCHAR, "message is not keydown event"); PR_LOG(sWindowsLog, PR_LOG_ALWAYS, ("%s charCode=%d scanCode=%d\n", aMsg.message == WM_SYSCHAR ? "WM_SYSCHAR" : "WM_CHAR", aMsg.wParam, HIWORD(aMsg.lParam) & 0xFF)); // These must be checked here too as a lone WM_CHAR could be received // if a child window didn't handle it (for example Alt+Space in a content window) SetupModKeyState(); return OnChar(aMsg, aEventDispatched); } LRESULT nsWindow::ProcessKeyUpMessage(const MSG &aMsg, PRBool *aEventDispatched) { NS_PRECONDITION(aMsg.message == WM_KEYUP || aMsg.message == WM_SYSKEYUP, "message is not keydown event"); PR_LOG(sWindowsLog, PR_LOG_ALWAYS, ("%s VK=%d\n", aMsg.message == WM_SYSKEYDOWN ? "WM_SYSKEYUP" : "WM_KEYUP", aMsg.wParam)); SetupModKeyState(); // Note: the original code passed (HIWORD(lParam)) to OnKeyUp as // scan code. However, this breaks Alt+Num pad input. // http://msdn.microsoft.com/library/en-us/winui/winui/windowsuserinterface/userinput/keyboardinput/keyboardinputreference/keyboardinputfunctions/toascii.asp // states the following: // Typically, ToAscii performs the translation based on the // virtual-key code. In some cases, however, bit 15 of the // uScanCode parameter may be used to distinguish between a key // press and a key release. The scan code is used for // translating ALT+number key combinations. // ignore [shift+]alt+space so the OS can handle it if (mIsAltDown && !mIsControlDown && IS_VK_DOWN(NS_VK_SPACE)) return FALSE; if (!sIMEIsComposing && (aMsg.message != WM_KEYUP || aMsg.message != VK_MENU)) { // Ignore VK_MENU if it's not a system key release, so that the menu bar does not trigger // This helps avoid triggering the menu bar for ALT key accelerators used in // assistive technologies such as Window-Eyes and ZoomText, and when using Alt+Tab // to switch back to Mozilla in Windows 95 and Windows 98 return OnKeyUp(aMsg, aEventDispatched); } return 0; } LRESULT nsWindow::ProcessKeyDownMessage(const MSG &aMsg, PRBool *aEventDispatched) { PR_LOG(sWindowsLog, PR_LOG_ALWAYS, ("%s VK=%d\n", aMsg.message == WM_SYSKEYDOWN ? "WM_SYSKEYDOWN" : "WM_KEYDOWN", aMsg.wParam)); NS_PRECONDITION(aMsg.message == WM_KEYDOWN || aMsg.message == WM_SYSKEYDOWN, "message is not keydown event"); SetupModKeyState(); // Note: the original code passed (HIWORD(lParam)) to OnKeyDown as // scan code. However, this breaks Alt+Num pad input. // http://msdn.microsoft.com/library/en-us/winui/winui/windowsuserinterface/userinput/keyboardinput/keyboardinputreference/keyboardinputfunctions/toascii.asp // states the following: // Typically, ToAscii performs the translation based on the // virtual-key code. In some cases, however, bit 15 of the // uScanCode parameter may be used to distinguish between a key // press and a key release. The scan code is used for // translating ALT+number key combinations. // ignore [shift+]alt+space so the OS can handle it if (mIsAltDown && !mIsControlDown && IS_VK_DOWN(NS_VK_SPACE)) return FALSE; LRESULT result = 0; if (mIsAltDown && sIMEIsStatusChanged) { sIMEIsStatusChanged = PR_FALSE; } else if (!sIMEIsComposing) { result = OnKeyDown(aMsg, aEventDispatched, nsnull); } #ifndef WINCE if (aMsg.wParam == VK_MENU || (aMsg.wParam == VK_F10 && !mIsShiftDown)) { // We need to let Windows handle this keypress, // by returning PR_FALSE, if there's a native menu // bar somewhere in our containing window hierarchy. // Otherwise we handle the keypress and don't pass // it on to Windows, by returning PR_TRUE. PRBool hasNativeMenu = PR_FALSE; HWND hWnd = mWnd; while (hWnd) { if (::GetMenu(hWnd)) { hasNativeMenu = PR_TRUE; break; } hWnd = ::GetParent(hWnd); } result = !hasNativeMenu; } #endif return result; } PRBool nsWindow::ProcessMessageForPlugin(const MSG &aMsg, LRESULT *aResult, PRBool &aCallDefWndProc) { NS_PRECONDITION(aResult, "aResult must be non-null."); *aResult = 0; aCallDefWndProc = PR_FALSE; PRBool fallBackToNonPluginProcess = PR_FALSE; PRBool eventDispatched = PR_FALSE; switch (aMsg.message) { case WM_INPUTLANGCHANGEREQUEST: case WM_INPUTLANGCHANGE: DispatchPluginEvent(aMsg); return PR_FALSE; // go to non-plug-ins processing case WM_CHAR: case WM_SYSCHAR: *aResult = ProcessCharMessage(aMsg, &eventDispatched); break; case WM_KEYUP: case WM_SYSKEYUP: *aResult = ProcessKeyUpMessage(aMsg, &eventDispatched); break; case WM_KEYDOWN: case WM_SYSKEYDOWN: *aResult = ProcessKeyDownMessage(aMsg, &eventDispatched); break; case WM_IME_COMPOSITION: // We should end composition if there is a committed string. if (aMsg.lParam & GCS_RESULTSTR) sIMEIsComposing = PR_FALSE; // Continue composition if there is still a string being composed. if (IS_COMPOSING_LPARAM(aMsg.lParam)) sIMEIsComposing = PR_TRUE; break; case WM_IME_STARTCOMPOSITION: sIMEIsComposing = PR_TRUE; break; case WM_IME_ENDCOMPOSITION: sIMEIsComposing = PR_FALSE; break; case WM_DEADCHAR: case WM_SYSDEADCHAR: case WM_CONTEXTMENU: case WM_CUT: case WM_COPY: case WM_PASTE: case WM_CLEAR: case WM_UNDO: case WM_IME_CHAR: case WM_IME_COMPOSITIONFULL: case WM_IME_CONTROL: case WM_IME_KEYDOWN: case WM_IME_KEYUP: case WM_IME_NOTIFY: case WM_IME_REQUEST: case WM_IME_SELECT: case WM_IME_SETCONTEXT: break; default: return PR_FALSE; } if (!eventDispatched) aCallDefWndProc = !DispatchPluginEvent(aMsg); DispatchPendingEvents(); return PR_TRUE; } PRBool nsWindow::DispatchPluginEvent(const MSG &aMsg) { if (!PluginHasFocus()) return PR_FALSE; nsGUIEvent event(PR_TRUE, NS_PLUGIN_EVENT, this); nsIntPoint point(0, 0); InitEvent(event, &point); nsPluginEvent pluginEvent; pluginEvent.event = aMsg.message; pluginEvent.wParam = aMsg.wParam; pluginEvent.lParam = aMsg.lParam; event.nativeMsg = (void *)&pluginEvent; return DispatchWindowEvent(&event); } //------------------------------------------------------------------------- // // return the window class name and initialize the class if needed // //------------------------------------------------------------------------- #define CS_XP_DROPSHADOW 0x00020000 LPCWSTR nsWindow::WindowClass() { if (!nsWindow::sIsRegistered) { WNDCLASSW wc; // wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; wc.style = CS_DBLCLKS; wc.lpfnWndProc = ::DefWindowProcW; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = nsToolkit::mDllInstance; wc.hIcon = ::LoadIconW(::GetModuleHandleW(NULL), (LPWSTR)IDI_APPLICATION); wc.hCursor = NULL; wc.hbrBackground = mBrush; wc.lpszMenuName = NULL; wc.lpszClassName = kClassNameHidden; BOOL succeeded = ::RegisterClassW(&wc) != 0 && ERROR_CLASS_ALREADY_EXISTS != GetLastError(); nsWindow::sIsRegistered = succeeded; wc.lpszClassName = kClassNameContentFrame; if (!::RegisterClassW(&wc) && ERROR_CLASS_ALREADY_EXISTS != GetLastError()) { nsWindow::sIsRegistered = FALSE; } wc.lpszClassName = kClassNameContent; if (!::RegisterClassW(&wc) && ERROR_CLASS_ALREADY_EXISTS != GetLastError()) { nsWindow::sIsRegistered = FALSE; } wc.lpszClassName = kClassNameUI; if (!::RegisterClassW(&wc) && ERROR_CLASS_ALREADY_EXISTS != GetLastError()) { nsWindow::sIsRegistered = FALSE; } wc.lpszClassName = kClassNameGeneral; ATOM generalClassAtom = ::RegisterClassW(&wc); if (!generalClassAtom && ERROR_CLASS_ALREADY_EXISTS != GetLastError()) { nsWindow::sIsRegistered = FALSE; } wc.lpszClassName = kClassNameDialog; wc.hIcon = 0; if (!::RegisterClassW(&wc) && ERROR_CLASS_ALREADY_EXISTS != GetLastError()) { nsWindow::sIsRegistered = FALSE; } } if (mWindowType == eWindowType_invisible) { return kClassNameHidden; } if (mWindowType == eWindowType_dialog) { return kClassNameDialog; } if (mContentType == eContentTypeContent) { return kClassNameContent; } if (mContentType == eContentTypeContentFrame) { return kClassNameContentFrame; } if (mContentType == eContentTypeUI) { return kClassNameUI; } return kClassNameGeneral; } LPCWSTR nsWindow::WindowPopupClass() { const LPCWSTR className = L"MozillaDropShadowWindowClass"; if (!nsWindow::sIsPopupClassRegistered) { WNDCLASSW wc; wc.style = CS_DBLCLKS | CS_XP_DROPSHADOW; wc.lpfnWndProc = ::DefWindowProcW; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hInstance = nsToolkit::mDllInstance; wc.hIcon = ::LoadIconW(::GetModuleHandleW(NULL), (LPWSTR)IDI_APPLICATION); wc.hCursor = NULL; wc.hbrBackground = mBrush; wc.lpszMenuName = NULL; wc.lpszClassName = className; nsWindow::sIsPopupClassRegistered = ::RegisterClassW(&wc); if (!nsWindow::sIsPopupClassRegistered) { // For older versions of Win32 (i.e., not XP), the registration will // fail, so we have to re-register without the CS_XP_DROPSHADOW flag. wc.style = CS_DBLCLKS; nsWindow::sIsPopupClassRegistered = ::RegisterClassW(&wc); } } return className; } //------------------------------------------------------------------------- // // return nsWindow styles // //------------------------------------------------------------------------- DWORD nsWindow::WindowStyle() { DWORD style; #ifdef WINCE switch (mWindowType) { case eWindowType_child: style = WS_CHILD; break; case eWindowType_dialog: case eWindowType_popup: style = WS_BORDER | WS_POPUP; break; default: NS_ASSERTION(0, "unknown border style"); // fall through case eWindowType_toplevel: case eWindowType_invisible: style = WS_BORDER; break; } #else switch (mWindowType) { case eWindowType_child: style = WS_OVERLAPPED; break; case eWindowType_dialog: if (mBorderStyle == eBorderStyle_default) { style = WS_OVERLAPPED | WS_BORDER | WS_DLGFRAME | WS_SYSMENU | DS_3DLOOK | DS_MODALFRAME; } else { style = WS_OVERLAPPED | WS_BORDER | WS_DLGFRAME | WS_SYSMENU | DS_3DLOOK | DS_MODALFRAME | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX; } break; case eWindowType_popup: if (mTransparencyMode == eTransparencyGlass) { /* Glass seems to need WS_CAPTION or WS_THICKFRAME to work. WS_THICKFRAME has issues with autohiding popups but looks better */ style = WS_POPUP | WS_THICKFRAME; } else { style = WS_OVERLAPPED | WS_POPUP; } break; default: NS_ASSERTION(0, "unknown border style"); // fall through case eWindowType_toplevel: case eWindowType_invisible: style = WS_OVERLAPPED | WS_BORDER | WS_DLGFRAME | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX; break; } if (mBorderStyle != eBorderStyle_default && mBorderStyle != eBorderStyle_all) { if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & eBorderStyle_border)) style &= ~WS_BORDER; if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & eBorderStyle_title)) { style &= ~WS_DLGFRAME; style |= WS_POPUP; style &= ~WS_CHILD; } if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & eBorderStyle_close)) style &= ~0; // XXX The close box can only be removed by changing the window class, // as far as I know --- roc+moz@cs.cmu.edu if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & (eBorderStyle_menu | eBorderStyle_close))) style &= ~WS_SYSMENU; // Looks like getting rid of the system menu also does away with the // close box. So, we only get rid of the system menu if you want neither it // nor the close box. How does the Windows "Dialog" window class get just // closebox and no sysmenu? Who knows. if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & eBorderStyle_resizeh)) style &= ~WS_THICKFRAME; if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & eBorderStyle_minimize)) style &= ~WS_MINIMIZEBOX; if (mBorderStyle == eBorderStyle_none || !(mBorderStyle & eBorderStyle_maximize)) style &= ~WS_MAXIMIZEBOX; } #endif // WINCE VERIFY_WINDOW_STYLE(style); return style; } //------------------------------------------------------------------------- // // return nsWindow extended styles // //------------------------------------------------------------------------- DWORD nsWindow::WindowExStyle() { switch (mWindowType) { case eWindowType_child: return 0; case eWindowType_dialog: return WS_EX_WINDOWEDGE | WS_EX_DLGMODALFRAME; case eWindowType_popup: return WS_EX_TOPMOST | WS_EX_TOOLWINDOW; default: NS_ASSERTION(0, "unknown border style"); // fall through case eWindowType_toplevel: case eWindowType_invisible: return WS_EX_WINDOWEDGE; } } // ----------------------------------------------------------------------- // // Subclass (or remove the subclass from) this component's nsWindow // // ----------------------------------------------------------------------- void nsWindow::SubclassWindow(BOOL bState) { if (NULL != mWnd) { NS_PRECONDITION(::IsWindow(mWnd), "Invalid window handle"); if (bState) { // change the nsWindow proc if (mUnicodeWidget) mPrevWndProc = (WNDPROC)::SetWindowLongW(mWnd, GWL_WNDPROC, (LONG)nsWindow::WindowProc); else mPrevWndProc = (WNDPROC)::SetWindowLongA(mWnd, GWL_WNDPROC, (LONG)nsWindow::WindowProc); NS_ASSERTION(mPrevWndProc, "Null standard window procedure"); // connect the this pointer to the nsWindow handle SetNSWindowPtr(mWnd, this); } else { if (mUnicodeWidget) ::SetWindowLongW(mWnd, GWL_WNDPROC, (LONG)mPrevWndProc); else ::SetWindowLongA(mWnd, GWL_WNDPROC, (LONG)mPrevWndProc); SetNSWindowPtr(mWnd, NULL); mPrevWndProc = NULL; } } } //------------------------------------------------------------------------- // // WM_DESTROY has been called // //------------------------------------------------------------------------- void nsWindow::OnDestroy() { mOnDestroyCalled = PR_TRUE; SubclassWindow(FALSE); // We have to destroy the native drag target before we null out our // window pointer EnableDragDrop(PR_FALSE); mWnd = NULL; // free GDI objects if (mBrush) { VERIFY(::DeleteObject(mBrush)); mBrush = NULL; } #if 0 if (mPalette) { VERIFY(::DeleteObject(mPalette)); mPalette = NULL; } #endif // if we were in the middle of deferred window positioning then // free the memory for the multiple-window position structure if (mDeferredPositioner) { VERIFY(::EndDeferWindowPos(mDeferredPositioner)); mDeferredPositioner = NULL; } // release references to children, device context, toolkit, and app shell nsBaseWidget::OnDestroy(); // dispatch the event if (!mIsDestroying) { // dispatching of the event may cause the reference count to drop to 0 // and result in this object being destroyed. To avoid that, add a reference // and then release it after dispatching the event AddRef(); DispatchStandardEvent(NS_DESTROY); Release(); } } //------------------------------------------------------------------------- // // Move // //------------------------------------------------------------------------- PRBool nsWindow::OnMove(PRInt32 aX, PRInt32 aY) { mBounds.x = aX; mBounds.y = aY; nsGUIEvent event(PR_TRUE, NS_MOVE, this); InitEvent(event); event.refPoint.x = aX; event.refPoint.y = aY; return DispatchWindowEvent(&event); } static NS_DEFINE_CID(kRegionCID, NS_REGION_CID); static already_AddRefed ConvertHRGNToRegion(HRGN aRgn) { NS_ASSERTION(aRgn, "Don't pass NULL region here"); nsCOMPtr region = do_CreateInstance(kRegionCID); if (!region) return nsnull; region->Init(); DWORD size = ::GetRegionData(aRgn, 0, NULL); nsAutoTArray buffer; if (!buffer.SetLength(size)) return region.forget(); RGNDATA* data = reinterpret_cast(buffer.Elements()); if (!::GetRegionData(aRgn, size, data)) return region.forget(); RECT* rects = reinterpret_cast(data->Buffer); for (PRUint32 i = 0; i < data->rdh.nCount; ++i) { RECT* r = rects + i; region->Union(r->left, r->top, r->right - r->left, r->bottom - r->top); } return region.forget(); } //------------------------------------------------------------------------- // // Paint // //------------------------------------------------------------------------- PRBool nsWindow::OnPaint(HDC aDC) { PRBool result = PR_TRUE; PAINTSTRUCT ps; nsEventStatus eventStatus = nsEventStatus_eIgnore; #ifdef MOZ_XUL if (!aDC && (eTransparencyTransparent == mTransparencyMode)) { // For layered translucent windows all drawing should go to memory DC and no // WM_PAINT messages are normally generated. To support asynchronous painting // we force generation of WM_PAINT messages by invalidating window areas with // RedrawWindow, InvalidateRect or InvalidateRgn function calls. // BeginPaint/EndPaint must be called to make Windows think that invalid area // is painted. Otherwise it will continue sending the same message endlessly. ::BeginPaint(mWnd, &ps); ::EndPaint(mWnd, &ps); aDC = mMemoryDC; } #endif mPainting = PR_TRUE; #ifdef NS_DEBUG HRGN debugPaintFlashRegion = NULL; HDC debugPaintFlashDC = NULL; if (debug_WantPaintFlashing()) { debugPaintFlashRegion = ::CreateRectRgn(0, 0, 0, 0); ::GetUpdateRgn(mWnd, debugPaintFlashRegion, TRUE); debugPaintFlashDC = ::GetDC(mWnd); } #endif // NS_DEBUG HDC hDC = aDC ? aDC : (::BeginPaint(mWnd, &ps)); mPaintDC = hDC; HRGN paintRgn = NULL; #ifdef MOZ_XUL if (aDC || (eTransparencyTransparent == mTransparencyMode)) { #else if (aDC) { #endif RECT paintRect; ::GetClientRect(mWnd, &paintRect); paintRgn = ::CreateRectRgn(paintRect.left, paintRect.top, paintRect.right, paintRect.bottom); } else { #ifndef WINCE paintRgn = ::CreateRectRgn(0, 0, 0, 0); if (paintRgn != NULL) { int result = GetRandomRgn(hDC, paintRgn, SYSRGN); if (result == 1) { POINT pt = {0,0}; ::MapWindowPoints(NULL, mWnd, &pt, 1); ::OffsetRgn(paintRgn, pt.x, pt.y); } } #else paintRgn = ::CreateRectRgn(ps.rcPaint.left, ps.rcPaint.top, ps.rcPaint.right, ps.rcPaint.bottom); #endif } nsCOMPtr paintRgnWin; if (paintRgn) { paintRgnWin = ConvertHRGNToRegion(paintRgn); ::DeleteObject(paintRgn); } if (paintRgnWin && !paintRgnWin->IsEmpty()) { // call the event callback if (mEventCallback) { nsPaintEvent event(PR_TRUE, NS_PAINT, this); InitEvent(event); event.region = paintRgnWin; event.rect = nsnull; // Should probably pass in a real region here, using GetRandomRgn // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/clipping_4q0e.asp #ifdef NS_DEBUG debug_DumpPaintEvent(stdout, this, &event, nsCAutoString("noname"), (PRInt32) mWnd); #endif // NS_DEBUG #ifndef WINCE #ifdef MOZ_XUL nsRefPtr targetSurface; if (eTransparencyTransparent == mTransparencyMode) { if (mTransparentSurface == nsnull) SetupTranslucentWindowMemoryBitmap(mTransparencyMode); targetSurface = mTransparentSurface; } else { targetSurface = new gfxWindowsSurface(hDC); } #else nsRefPtr targetSurface = new gfxWindowsSurface(hDC); #endif #else nsRefPtr targetSurface = new gfxImageSurface(gfxIntSize(ps.rcPaint.right - ps.rcPaint.left, ps.rcPaint.bottom - ps.rcPaint.top), gfxASurface::ImageFormatRGB24); if (targetSurface && !targetSurface->CairoStatus()) { targetSurface->SetDeviceOffset(gfxPoint(-ps.rcPaint.left, -ps.rcPaint.top)); } #endif nsRefPtr thebesContext = new gfxContext(targetSurface); thebesContext->SetFlag(gfxContext::FLAG_DESTINED_FOR_SCREEN); #ifndef WINCE #if defined(MOZ_XUL) if (eTransparencyGlass == mTransparencyMode && nsUXThemeData::sHaveCompositor) { thebesContext->PushGroup(gfxASurface::CONTENT_COLOR_ALPHA); } else if (eTransparencyTransparent == mTransparencyMode) { // If we're rendering with translucency, we're going to be // rendering the whole window; make sure we clear it first thebesContext->SetOperator(gfxContext::OPERATOR_CLEAR); thebesContext->Paint(); thebesContext->SetOperator(gfxContext::OPERATOR_OVER); } else { // If we're not doing translucency, then double buffer thebesContext->PushGroup(gfxASurface::CONTENT_COLOR); } #else // If we're not doing translucency, then double buffer thebesContext->PushGroup(gfxASurface::CONTENT_COLOR); #endif #endif /* ifndef WINCE */ nsCOMPtr rc; nsresult rv = mContext->CreateRenderingContextInstance (*getter_AddRefs(rc)); if (NS_FAILED(rv)) { NS_WARNING("CreateRenderingContextInstance failed"); return PR_FALSE; } rv = rc->Init(mContext, thebesContext); if (NS_FAILED(rv)) { NS_WARNING("RC::Init failed"); return PR_FALSE; } event.renderingContext = rc; result = DispatchWindowEvent(&event, eventStatus); event.renderingContext = nsnull; #ifdef MOZ_XUL if (eTransparencyTransparent == mTransparencyMode) { // Data from offscreen drawing surface was copied to memory bitmap of transparent // bitmap. Now it can be read from memory bitmap to apply alpha channel and after // that displayed on the screen. UpdateTranslucentWindow(); } else if (result) { #ifndef WINCE // Only update if DispatchWindowEvent returned TRUE; otherwise, nothing handled // this, and we'll just end up painting with black. thebesContext->PopGroupToSource(); thebesContext->SetOperator(gfxContext::OPERATOR_SOURCE); thebesContext->Paint(); #else nsRefPtr winSurface = new gfxWindowsSurface(hDC); nsRefPtr winCtx = new gfxContext(winSurface); winCtx->SetOperator(gfxContext::OPERATOR_SOURCE); winCtx->SetSource(targetSurface); winCtx->Paint(); #endif } #endif } } if (!aDC) { ::EndPaint(mWnd, &ps); } mPaintDC = nsnull; #if defined(NS_DEBUG) && !defined(WINCE) if (debug_WantPaintFlashing()) { // Only flash paint events which have not ignored the paint message. // Those that ignore the paint message aren't painting anything so there // is only the overhead of the dispatching the paint event. if (nsEventStatus_eIgnore != eventStatus) { ::InvertRgn(debugPaintFlashDC, debugPaintFlashRegion); PR_Sleep(PR_MillisecondsToInterval(30)); ::InvertRgn(debugPaintFlashDC, debugPaintFlashRegion); PR_Sleep(PR_MillisecondsToInterval(30)); } ::ReleaseDC(mWnd, debugPaintFlashDC); ::DeleteObject(debugPaintFlashRegion); } #endif // NS_DEBUG && !WINCE mPainting = PR_FALSE; return result; } //------------------------------------------------------------------------- // // Send a resize message to the listener // //------------------------------------------------------------------------- PRBool nsWindow::OnResize(nsIntRect &aWindowRect) { // call the event callback if (mEventCallback) { nsSizeEvent event(PR_TRUE, NS_SIZE, this); InitEvent(event); event.windowSize = &aWindowRect; RECT r; if (::GetWindowRect(mWnd, &r)) { event.mWinWidth = PRInt32(r.right - r.left); event.mWinHeight = PRInt32(r.bottom - r.top); } else { event.mWinWidth = 0; event.mWinHeight = 0; } return DispatchWindowEvent(&event); } return PR_FALSE; } static PRBool IsTopLevelMouseExit(HWND aWnd) { DWORD pos = ::GetMessagePos(); POINT mp; mp.x = GET_X_LPARAM(pos); mp.y = GET_Y_LPARAM(pos); HWND mouseWnd = ::WindowFromPoint(mp); // GetTopLevelHWND will return a HWND for the window frame (which includes // the non-client area). If the mouse has moved into the non-client area, // we should treat it as a top-level exit. HWND mouseTopLevel = nsWindow::GetTopLevelHWND(mouseWnd); if (mouseWnd == mouseTopLevel) return PR_TRUE; return nsWindow::GetTopLevelHWND(aWnd) != mouseTopLevel; } //------------------------------------------------------------------------- // // Deal with all sort of mouse event // //------------------------------------------------------------------------- PRBool nsWindow::DispatchMouseEvent(PRUint32 aEventType, WPARAM wParam, LPARAM lParam, PRBool aIsContextMenuKey, PRInt16 aButton) { PRBool result = PR_FALSE; if (!mEventCallback) { return result; } nsIntPoint eventPoint; eventPoint.x = GET_X_LPARAM(lParam); eventPoint.y = GET_Y_LPARAM(lParam); nsMouseEvent event(PR_TRUE, aEventType, this, nsMouseEvent::eReal, aIsContextMenuKey ? nsMouseEvent::eContextMenuKey : nsMouseEvent::eNormal); if (aEventType == NS_CONTEXTMENU && aIsContextMenuKey) { nsIntPoint zero(0, 0); InitEvent(event, &zero); } else { InitEvent(event, &eventPoint); } event.isShift = IS_VK_DOWN(NS_VK_SHIFT); event.isControl = IS_VK_DOWN(NS_VK_CONTROL); event.isMeta = PR_FALSE; event.isAlt = IS_VK_DOWN(NS_VK_ALT); event.button = aButton; nsIntRect mpWidget; nsIntRect mpScreen; mpWidget.x = eventPoint.x; mpWidget.y = eventPoint.y; WidgetToScreen(mpWidget, mpScreen); // Suppress mouse moves caused by widget creation if (aEventType == NS_MOUSE_MOVE) { if ((gLastMouseMovePoint.x == mpScreen.x) && (gLastMouseMovePoint.y == mpScreen.y)) return result; gLastMouseMovePoint.x = mpScreen.x; gLastMouseMovePoint.y = mpScreen.y; } PRBool insideMovementThreshold = (abs(gLastMousePoint.x - eventPoint.x) < (short)::GetSystemMetrics(SM_CXDOUBLECLK)) && (abs(gLastMousePoint.y - eventPoint.y) < (short)::GetSystemMetrics(SM_CYDOUBLECLK)); BYTE eventButton; switch (aButton) { case nsMouseEvent::eLeftButton: eventButton = VK_LBUTTON; break; case nsMouseEvent::eMiddleButton: eventButton = VK_MBUTTON; break; case nsMouseEvent::eRightButton: eventButton = VK_RBUTTON; break; default: eventButton = 0; break; } // Doubleclicks are used to set the click count, then changed to mousedowns // We're going to time double-clicks from mouse *up* to next mouse *down* LONG curMsgTime = ::GetMessageTime(); if (aEventType == NS_MOUSE_DOUBLECLICK) { event.message = NS_MOUSE_BUTTON_DOWN; event.button = aButton; gLastClickCount = 2; } else if (aEventType == NS_MOUSE_BUTTON_UP) { // remember when this happened for the next mouse down gLastMousePoint.x = eventPoint.x; gLastMousePoint.y = eventPoint.y; gLastMouseButton = eventButton; } else if (aEventType == NS_MOUSE_BUTTON_DOWN) { // now look to see if we want to convert this to a double- or triple-click #ifdef NS_DEBUG_XX printf("Msg: %d Last: %d Dif: %d Max %d\n", curMsgTime, gLastMouseDownTime, curMsgTime-gLastMouseDownTime, ::GetDoubleClickTime()); printf("Mouse %d %d\n", abs(gLastMousePoint.x - mp.x), abs(gLastMousePoint.y - mp.y)); #endif if (((curMsgTime - gLastMouseDownTime) < (LONG)::GetDoubleClickTime()) && insideMovementThreshold && eventButton == gLastMouseButton) { gLastClickCount ++; } else { // reset the click count, to count *this* click gLastClickCount = 1; } // Set last Click time on MouseDown only gLastMouseDownTime = curMsgTime; } else if (aEventType == NS_MOUSE_MOVE && !insideMovementThreshold) { gLastClickCount = 0; } else if (aEventType == NS_MOUSE_EXIT) { event.exit = IsTopLevelMouseExit(mWnd) ? nsMouseEvent::eTopLevel : nsMouseEvent::eChild; } event.clickCount = gLastClickCount; #ifdef NS_DEBUG_XX printf("Msg Time: %d Click Count: %d\n", curMsgTime, event.clickCount); #endif nsPluginEvent pluginEvent; switch (aEventType) { case NS_MOUSE_BUTTON_DOWN: switch (aButton) { case nsMouseEvent::eLeftButton: pluginEvent.event = WM_LBUTTONDOWN; break; case nsMouseEvent::eMiddleButton: pluginEvent.event = WM_MBUTTONDOWN; break; case nsMouseEvent::eRightButton: pluginEvent.event = WM_RBUTTONDOWN; break; default: break; } break; case NS_MOUSE_BUTTON_UP: switch (aButton) { case nsMouseEvent::eLeftButton: pluginEvent.event = WM_LBUTTONUP; break; case nsMouseEvent::eMiddleButton: pluginEvent.event = WM_MBUTTONUP; break; case nsMouseEvent::eRightButton: pluginEvent.event = WM_RBUTTONUP; break; default: break; } break; case NS_MOUSE_DOUBLECLICK: switch (aButton) { case nsMouseEvent::eLeftButton: pluginEvent.event = WM_LBUTTONDBLCLK; break; case nsMouseEvent::eMiddleButton: pluginEvent.event = WM_MBUTTONDBLCLK; break; case nsMouseEvent::eRightButton: pluginEvent.event = WM_RBUTTONDBLCLK; break; default: break; } break; case NS_MOUSE_MOVE: pluginEvent.event = WM_MOUSEMOVE; break; default: pluginEvent.event = WM_NULL; break; } pluginEvent.wParam = wParam; // plugins NEED raw OS event flags! pluginEvent.lParam = lParam; event.nativeMsg = (void *)&pluginEvent; // call the event callback if (nsnull != mEventCallback) { if (nsToolkit::gMouseTrailer) nsToolkit::gMouseTrailer->Disable(); if (aEventType == NS_MOUSE_MOVE) { if (nsToolkit::gMouseTrailer && !mIsInMouseCapture) { nsToolkit::gMouseTrailer->SetMouseTrailerWindow(mWnd); } nsIntRect rect; GetBounds(rect); rect.x = 0; rect.y = 0; if (rect.Contains(event.refPoint)) { if (gCurrentWindow == NULL || gCurrentWindow != this) { if ((nsnull != gCurrentWindow) && (!gCurrentWindow->mIsDestroying)) { LPARAM pos = gCurrentWindow->lParamToClient(lParamToScreen(lParam)); gCurrentWindow->DispatchMouseEvent(NS_MOUSE_EXIT, wParam, pos); } gCurrentWindow = this; if (!mIsDestroying) { LPARAM pos = gCurrentWindow->lParamToClient(lParamToScreen(lParam)); gCurrentWindow->DispatchMouseEvent(NS_MOUSE_ENTER, wParam, pos); } } } } else if (aEventType == NS_MOUSE_EXIT) { if (gCurrentWindow == this) { gCurrentWindow = nsnull; } } result = DispatchWindowEvent(&event); if (nsToolkit::gMouseTrailer) nsToolkit::gMouseTrailer->Enable(); // Release the widget with NS_IF_RELEASE() just in case // the context menu key code in nsEventListenerManager::HandleEvent() // released it already. return result; } return result; } //------------------------------------------------------------------------- // // Deal with accessibile event // //------------------------------------------------------------------------- #ifdef ACCESSIBILITY PRBool nsWindow::DispatchAccessibleEvent(PRUint32 aEventType, nsIAccessible** aAcc, nsIntPoint* aPoint) { PRBool result = PR_FALSE; if (nsnull == mEventCallback) { return result; } *aAcc = nsnull; nsAccessibleEvent event(PR_TRUE, aEventType, this); InitEvent(event, aPoint); event.isShift = IS_VK_DOWN(NS_VK_SHIFT); event.isControl = IS_VK_DOWN(NS_VK_CONTROL); event.isMeta = PR_FALSE; event.isAlt = IS_VK_DOWN(NS_VK_ALT); event.accessible = nsnull; result = DispatchWindowEvent(&event); // if the event returned an accesssible get it. if (event.accessible) *aAcc = event.accessible; return result; } #endif //------------------------------------------------------------------------- // // Deal with focus messages // //------------------------------------------------------------------------- PRBool nsWindow::DispatchFocus(PRUint32 aEventType, PRBool isMozWindowTakingFocus) { // call the event callback if (mEventCallback) { nsFocusEvent event(PR_TRUE, aEventType, this); InitEvent(event); //focus and blur event should go to their base widget loc, not current mouse pos event.refPoint.x = 0; event.refPoint.y = 0; event.isMozWindowTakingFocus = isMozWindowTakingFocus; nsPluginEvent pluginEvent; switch (aEventType)//~~~ { case NS_GOTFOCUS: pluginEvent.event = WM_SETFOCUS; break; case NS_LOSTFOCUS: pluginEvent.event = WM_KILLFOCUS; break; case NS_PLUGIN_ACTIVATE: pluginEvent.event = WM_KILLFOCUS; break; default: break; } event.nativeMsg = (void *)&pluginEvent; return DispatchWindowEvent(&event); } return PR_FALSE; } //------------------------------------------------------------------------- // // Deal with scrollbar messages (actually implemented only in nsScrollbar) // //------------------------------------------------------------------------- PRBool nsWindow::OnScroll(UINT scrollCode, int cPos) { return PR_FALSE; } //------------------------------------------------------------------------- // // Return the brush used to paint the background of this control // //------------------------------------------------------------------------- HBRUSH nsWindow::OnControlColor() { return mBrush; } //------------------------------------------------------------------------- // // Deal with all sort of mouse event // //------------------------------------------------------------------------- PRBool ChildWindow::DispatchMouseEvent(PRUint32 aEventType, WPARAM wParam, LPARAM lParam, PRBool aIsContextMenuKey, PRInt16 aButton) { PRBool result = PR_FALSE; if (nsnull == mEventCallback) { return result; } switch (aEventType) { case NS_MOUSE_BUTTON_DOWN: CaptureMouse(PR_TRUE); break; // NS_MOUSE_MOVE and NS_MOUSE_EXIT are here because we need to make sure capture flag // isn't left on after a drag where we wouldn't see a button up message (see bug 324131). case NS_MOUSE_BUTTON_UP: case NS_MOUSE_MOVE: case NS_MOUSE_EXIT: if (!(wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) && mIsInMouseCapture) CaptureMouse(PR_FALSE); break; default: break; } // switch return nsWindow::DispatchMouseEvent(aEventType, wParam, lParam, aIsContextMenuKey, aButton); } //------------------------------------------------------------------------- // // return the style for a child nsWindow // //------------------------------------------------------------------------- DWORD ChildWindow::WindowStyle() { DWORD style = WS_CLIPCHILDREN | nsWindow::WindowStyle(); if (!(style & WS_POPUP)) style |= WS_CHILD; // WS_POPUP and WS_CHILD are mutually exclusive. VERIFY_WINDOW_STYLE(style); return style; } NS_METHOD nsWindow::SetTitle(const nsAString& aTitle) { const nsString& strTitle = PromiseFlatString(aTitle); ::SendMessageW(mWnd, WM_SETTEXT, (WPARAM)0, (LPARAM)(LPCWSTR)strTitle.get()); return NS_OK; } NS_METHOD nsWindow::SetIcon(const nsAString& aIconSpec) { #ifndef WINCE // Assume the given string is a local identifier for an icon file. nsCOMPtr iconFile; ResolveIconName(aIconSpec, NS_LITERAL_STRING(".ico"), getter_AddRefs(iconFile)); if (!iconFile) return NS_OK; // not an error if icon is not found nsAutoString iconPath; iconFile->GetPath(iconPath); // XXX this should use MZLU (see bug 239279) ::SetLastError(0); HICON bigIcon = (HICON)::LoadImageW(NULL, (LPCWSTR)iconPath.get(), IMAGE_ICON, ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON), LR_LOADFROMFILE ); HICON smallIcon = (HICON)::LoadImageW(NULL, (LPCWSTR)iconPath.get(), IMAGE_ICON, ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON), LR_LOADFROMFILE ); if (bigIcon) { HICON icon = (HICON) ::SendMessageW(mWnd, WM_SETICON, (WPARAM)ICON_BIG, (LPARAM)bigIcon); if (icon) ::DestroyIcon(icon); } #ifdef DEBUG_SetIcon else { NS_LossyConvertUTF16toASCII cPath(iconPath); printf( "\nIcon load error; icon=%s, rc=0x%08X\n\n", cPath.get(), ::GetLastError() ); } #endif if (smallIcon) { HICON icon = (HICON) ::SendMessageW(mWnd, WM_SETICON, (WPARAM)ICON_SMALL, (LPARAM)smallIcon); if (icon) ::DestroyIcon(icon); } #ifdef DEBUG_SetIcon else { NS_LossyConvertUTF16toASCII cPath(iconPath); printf( "\nSmall icon load error; icon=%s, rc=0x%08X\n\n", cPath.get(), ::GetLastError() ); } #endif #endif // WINCE return NS_OK; } PRBool nsWindow::AutoErase() { return PR_FALSE; } NS_METHOD nsWindow::GetPreferredSize(PRInt32& aWidth, PRInt32& aHeight) { aWidth = mPreferredWidth; aHeight = mPreferredHeight; return NS_ERROR_FAILURE; } NS_METHOD nsWindow::SetPreferredSize(PRInt32 aWidth, PRInt32 aHeight) { mPreferredWidth = aWidth; mPreferredHeight = aHeight; return NS_OK; } // XXX itABC v5.30 on Vista is E0210804. Probably, we should not use these // values for checking the current IME. #define ZH_CN_INTELLEGENT_ABC_IME ((HKL)0xe0040804L) #define ZH_CN_MS_PINYIN_IME_3_0 ((HKL)0xe00e0804L) #define ZH_CN_NEIMA_IME ((HKL)0xe0050804L) #define PINYIN_IME_ON_XP(kl) ((nsToolkit::mIsWinXP) && \ (ZH_CN_MS_PINYIN_IME_3_0 == (kl))) PRBool gPinYinIMECaretCreated = PR_FALSE; void nsWindow::HandleTextEvent(HIMC hIMEContext, PRBool aCheckAttr) { NS_ASSERTION(sIMECompUnicode, "sIMECompUnicode is null"); NS_ASSERTION(sIMEIsComposing, "conflict state"); if (!sIMECompUnicode) return; nsTextEvent event(PR_TRUE, NS_TEXT_TEXT, this); nsIntPoint point(0, 0); InitEvent(event, &point); if (aCheckAttr) { GetTextRangeList(&(event.rangeCount),&(event.rangeArray)); } else { event.rangeCount = 0; event.rangeArray = nsnull; } event.theText = sIMECompUnicode->get(); event.isShift = mIsShiftDown; event.isControl = mIsControlDown; event.isMeta = PR_FALSE; event.isAlt = mIsAltDown; DispatchWindowEvent(&event); if (event.rangeArray) delete [] event.rangeArray; // // Post process event // if (event.theReply.mCursorPosition.width || event.theReply.mCursorPosition.height) { nsIntRect cursorPosition; ResolveIMECaretPos(event.theReply.mReferenceWidget, event.theReply.mCursorPosition, this, cursorPosition); CANDIDATEFORM candForm; candForm.dwIndex = 0; candForm.dwStyle = CFS_EXCLUDE; candForm.ptCurrentPos.x = cursorPosition.x; candForm.ptCurrentPos.y = cursorPosition.y; candForm.rcArea.right = candForm.rcArea.left = candForm.ptCurrentPos.x; candForm.rcArea.top = candForm.ptCurrentPos.y; candForm.rcArea.bottom = candForm.ptCurrentPos.y + cursorPosition.height; if (gPinYinIMECaretCreated) { SetCaretPos(candForm.ptCurrentPos.x, candForm.ptCurrentPos.y); } ::ImmSetCandidateWindow(hIMEContext, &candForm); #ifndef WINCE // somehow the "Intelligent ABC IME" in Simplified Chinese // window listen to the caret position to decide where to put the // candidate window if (gKbdLayout.GetLayout() == ZH_CN_INTELLEGENT_ABC_IME) { CreateCaret(mWnd, nsnull, 1, 1); SetCaretPos(candForm.ptCurrentPos.x, candForm.ptCurrentPos.y); DestroyCaret(); } #endif // Record previous composing char position // The cursor is always on the right char before it, but not necessarily on the // left of next char, as what happens in wrapping. if (sIMECursorPosition > 0 && sIMECompCharPos && sIMECursorPosition < IME_MAX_CHAR_POS) { sIMECompCharPos[sIMECursorPosition-1].right = cursorPosition.x; sIMECompCharPos[sIMECursorPosition-1].top = cursorPosition.y; sIMECompCharPos[sIMECursorPosition-1].bottom = cursorPosition.YMost(); if (sIMECompCharPos[sIMECursorPosition-1].top != cursorPosition.y) { // wrapping, invalidate left position sIMECompCharPos[sIMECursorPosition-1].left = -1; } sIMECompCharPos[sIMECursorPosition].left = cursorPosition.x; sIMECompCharPos[sIMECursorPosition].top = cursorPosition.y; sIMECompCharPos[sIMECursorPosition].bottom = cursorPosition.YMost(); } } else { // for some reason we don't know yet, theReply may contain invalid result // need more debugging in nsCaret to find out the reason // the best we can do now is to ignore the invalid result } } BOOL nsWindow::HandleStartComposition(HIMC hIMEContext) { NS_PRECONDITION(mIMEEnabled != nsIWidget::IME_STATUS_PLUGIN, "HandleStartComposition should not be called when a plug-in has focus"); // ATOK send the messages following order at starting composition. // 1. WM_IME_COMPOSITION // 2. WM_IME_STARTCOMPOSITION // We call this function at both step #1 and #2. // However, the composition start event should occur only once. if (sIMEIsComposing) return PR_TRUE; nsCompositionEvent event(PR_TRUE, NS_COMPOSITION_START, this); nsIntPoint point(0, 0); CANDIDATEFORM candForm; InitEvent(event, &point); DispatchWindowEvent(&event); // // Post process event // if (event.theReply.mCursorPosition.width || event.theReply.mCursorPosition.height) { nsIntRect cursorPosition; ResolveIMECaretPos(event.theReply.mReferenceWidget, event.theReply.mCursorPosition, this, cursorPosition); candForm.dwIndex = 0; candForm.dwStyle = CFS_CANDIDATEPOS; candForm.ptCurrentPos.x = cursorPosition.x + IME_X_OFFSET; candForm.ptCurrentPos.y = cursorPosition.y + IME_Y_OFFSET + cursorPosition.height; candForm.rcArea.right = 0; candForm.rcArea.left = 0; candForm.rcArea.top = 0; candForm.rcArea.bottom = 0; #ifdef DEBUG_IME2 printf("Candidate window position: x=%d, y=%d\n", candForm.ptCurrentPos.x, candForm.ptCurrentPos.y); #endif #ifndef WINCE // gKbdLayout doesn't exist. should we be assume true instead? if (!gPinYinIMECaretCreated && PINYIN_IME_ON_XP(gKbdLayout.GetLayout())) { gPinYinIMECaretCreated = CreateCaret(mWnd, nsnull, 1, 1); SetCaretPos(candForm.ptCurrentPos.x, candForm.ptCurrentPos.y); } #endif ::ImmSetCandidateWindow(hIMEContext, &candForm); sIMECompCharPos = (RECT*)PR_MALLOC(IME_MAX_CHAR_POS*sizeof(RECT)); if (sIMECompCharPos) { memset(sIMECompCharPos, -1, sizeof(RECT)*IME_MAX_CHAR_POS); sIMECompCharPos[0].left = cursorPosition.x; sIMECompCharPos[0].top = cursorPosition.y; sIMECompCharPos[0].bottom = cursorPosition.YMost(); } } else { // for some reason we don't know yet, theReply may contain invalid result // need more debugging in nsCaret to find out the reason // the best we can do now is to ignore the invalid result } if (!sIMECompUnicode) sIMECompUnicode = new nsString(); sIMEIsComposing = PR_TRUE; return PR_TRUE; } void nsWindow::HandleEndComposition(void) { if (!sIMEIsComposing) return; if (mIMEEnabled == nsIWidget::IME_STATUS_PLUGIN) { sIMEIsComposing = PR_FALSE; return; } nsCompositionEvent event(PR_TRUE, NS_COMPOSITION_END, this); nsIntPoint point(0, 0); if (gPinYinIMECaretCreated) { DestroyCaret(); gPinYinIMECaretCreated = PR_FALSE; } InitEvent(event,&point); DispatchWindowEvent(&event); PR_FREEIF(sIMECompCharPos); sIMECompCharPos = nsnull; sIMEIsComposing = PR_FALSE; } static PRUint32 PlatformToNSAttr(PRUint8 aAttr) { switch (aAttr) { case ATTR_INPUT_ERROR: // case ATTR_FIXEDCONVERTED: case ATTR_INPUT: return NS_TEXTRANGE_RAWINPUT; case ATTR_CONVERTED: return NS_TEXTRANGE_CONVERTEDTEXT; case ATTR_TARGET_NOTCONVERTED: return NS_TEXTRANGE_SELECTEDRAWTEXT; case ATTR_TARGET_CONVERTED: return NS_TEXTRANGE_SELECTEDCONVERTEDTEXT; default: NS_ASSERTION(PR_FALSE, "unknown attribute"); return NS_TEXTRANGE_CARETPOSITION; } } void nsWindow::GetTextRangeList(PRUint32* aListLength, nsTextRangeArray* textRangeListResult) { NS_ASSERTION(sIMECompUnicode, "sIMECompUnicode is null"); if (!sIMECompUnicode) return; long maxlen = sIMECompUnicode->Length(); long cursor = sIMECursorPosition; NS_ASSERTION(cursor <= maxlen, "wrong cursor position"); if (cursor > maxlen) cursor = maxlen; if (sIMECompClauseArrayLength == 0) { // Some IMEs don't return clause array information, then, we assume that // all characters in the composition string are in one clause. *aListLength = 1; // need one more room for caret *textRangeListResult = new nsTextRange[*aListLength + 1]; (*textRangeListResult)[0].mStartOffset = 0; (*textRangeListResult)[0].mEndOffset = maxlen; (*textRangeListResult)[0].mRangeType = NS_TEXTRANGE_RAWINPUT; } else { *aListLength = sIMECompClauseArrayLength - 1; // need one more room for caret *textRangeListResult = new nsTextRange[*aListLength + 1]; // iterate over the attributes int lastOffset = 0; for (int i = 0; i < *aListLength; i++) { long current = sIMECompClauseArray[i + 1]; NS_ASSERTION(current <= maxlen, "wrong offset"); if(current > maxlen) current = maxlen; (*textRangeListResult)[i].mRangeType = PlatformToNSAttr(sIMEAttributeArray[lastOffset]); (*textRangeListResult)[i].mStartOffset = lastOffset; (*textRangeListResult)[i].mEndOffset = current; lastOffset = current; } // for } // if else if (cursor == NO_IME_CARET) return; (*textRangeListResult)[*aListLength].mStartOffset = cursor; (*textRangeListResult)[*aListLength].mEndOffset = cursor; (*textRangeListResult)[*aListLength].mRangeType = NS_TEXTRANGE_CARETPOSITION; ++(*aListLength); } //========================================================================== BOOL nsWindow::OnInputLangChange(HKL aHKL) { #ifdef KE_DEBUG printf("OnInputLanguageChange\n"); #endif #ifndef WINCE gKbdLayout.LoadLayout(aHKL); #endif ResetInputState(); if (sIMEIsComposing) { HandleEndComposition(); } return PR_FALSE; // always pass to child window } //========================================================================== BOOL nsWindow::OnIMEChar(wchar_t uniChar, LPARAM aKeyState) { #ifdef DEBUG_IME printf("OnIMEChar\n"); #endif int err = 0; #ifdef DEBUG_IME if (!err) { DWORD lastError = ::GetLastError(); switch (lastError) { case ERROR_INSUFFICIENT_BUFFER: printf("ERROR_INSUFFICIENT_BUFFER\n"); break; case ERROR_INVALID_FLAGS: printf("ERROR_INVALID_FLAGS\n"); break; case ERROR_INVALID_PARAMETER: printf("ERROR_INVALID_PARAMETER\n"); break; case ERROR_NO_UNICODE_TRANSLATION: printf("ERROR_NO_UNICODE_TRANSLATION\n"); break; } } #endif // We need to return TRUE here so that Windows doesn't // send two WM_CHAR msgs DispatchKeyEvent(NS_KEY_PRESS, uniChar, nsnull, 0, nsnull); return PR_TRUE; } //========================================================================== // This function is used when aIndex is GCS_COMPSTR, GCS_COMPREADSTR, // GCS_RESULTSTR, and GCS_RESULTREADSTR. // Otherwise use ::ImmGetCompositionStringW. void nsWindow::GetCompositionString(HIMC aHIMC, DWORD aIndex) { // Retrieve the size of the required output buffer. long lRtn = ::ImmGetCompositionStringW(aHIMC, aIndex, NULL, 0); if (lRtn < 0 || !EnsureStringLength(*sIMECompUnicode, (lRtn / sizeof(WCHAR)) + 1)) return; // Error or out of memory. // Actually retrieve the composition string information. lRtn = ::ImmGetCompositionStringW(aHIMC, aIndex, (LPVOID)sIMECompUnicode->BeginWriting(), lRtn + sizeof(WCHAR)); sIMECompUnicode->SetLength(lRtn / sizeof(WCHAR)); } PRBool nsWindow::ConvertToANSIString(const nsAFlatString& aStr, UINT aCodePage, nsACString& aANSIStr) { int len = ::WideCharToMultiByte(aCodePage, 0, (LPCWSTR)aStr.get(), aStr.Length(), NULL, 0, NULL, NULL); NS_ENSURE_TRUE(len >= 0, PR_FALSE); if (!EnsureStringLength(aANSIStr, len)) return PR_FALSE; ::WideCharToMultiByte(aCodePage, 0, (LPCWSTR)aStr.get(), aStr.Length(), (LPSTR)aANSIStr.BeginWriting(), len, NULL, NULL); return PR_TRUE; } //========================================================================== BOOL nsWindow::OnIMEComposition(LPARAM aGCS) { #ifdef DEBUG_IME printf("OnIMEComposition\n"); #endif NS_PRECONDITION(mIMEEnabled != nsIWidget::IME_STATUS_PLUGIN, "OnIMEComposition should not be called when a plug-in has focus"); // for bug #60050 // MS-IME 95/97/98/2000 may send WM_IME_COMPOSITION with non-conversion // mode before it send WM_IME_STARTCOMPOSITION. if (!sIMECompUnicode) { sIMECompUnicode = new nsString(); if (NS_UNLIKELY(!sIMECompUnicode)) { NS_ASSERTION(sIMECompUnicode, "sIMECompUnicode is null"); return PR_TRUE; } } HIMC hIMEContext = ::ImmGetContext(mWnd); if (hIMEContext==NULL) return PR_TRUE; // will change this if an IME message we handle BOOL result = PR_FALSE; PRBool startCompositionMessageHasBeenSent = sIMEIsComposing; // // This catches a fixed result // if (aGCS & GCS_RESULTSTR) { #ifdef DEBUG_IME printf("Handling GCS_RESULTSTR\n"); #endif if (!sIMEIsComposing) HandleStartComposition(hIMEContext); GetCompositionString(hIMEContext, GCS_RESULTSTR); #ifdef DEBUG_IME printf("GCS_RESULTSTR compStrLen = %d\n", sIMECompUnicode->Length()); #endif result = PR_TRUE; HandleTextEvent(hIMEContext, PR_FALSE); HandleEndComposition(); } // // This provides us with a composition string // if (IS_COMPOSING_LPARAM(aGCS)) { #ifdef DEBUG_IME printf("Handling GCS_COMPSTR\n"); #endif if (!sIMEIsComposing) HandleStartComposition(hIMEContext); //-------------------------------------------------------- // 1. Get GCS_COMPSTR //-------------------------------------------------------- GetCompositionString(hIMEContext, GCS_COMPSTR); // See https://bugzilla.mozilla.org/show_bug.cgi?id=296339 if (sIMECompUnicode->IsEmpty() && !startCompositionMessageHasBeenSent) { // In this case, maybe, the sender is MSPinYin. That sends *only* // WM_IME_COMPOSITION with GCS_COMP* and GCS_RESULT* when // user inputted the Chinese full stop. So, that doesn't send // WM_IME_STARTCOMPOSITION and WM_IME_ENDCOMPOSITION. // If WM_IME_STARTCOMPOSITION was not sent and the composition // string is null (it indicates the composition transaction ended), // WM_IME_ENDCOMPOSITION may not be sent. If so, we cannot run // HandleEndComposition() in other place. #ifdef DEBUG_IME printf("Aborting GCS_COMPSTR\n"); #endif HandleEndComposition(); return result; } #ifdef DEBUG_IME printf("GCS_COMPSTR compStrLen = %d\n", sIMECompUnicode->Length()); #endif //-------------------------------------------------------- // 2. Get GCS_COMPCLAUSE //-------------------------------------------------------- long compClauseArrayByteCount = ::ImmGetCompositionStringW(hIMEContext, GCS_COMPCLAUSE, NULL, 0); #ifdef DEBUG_IME printf("GCS_COMPCLAUSE compClauseArrayByteCount = %d\n", compClauseArrayByteCount); #endif long compClauseArrayLength = compClauseArrayByteCount / sizeof(PRUint32); if (compClauseArrayLength > 0) { if (compClauseArrayByteCount > sIMECompClauseArraySize) { if (sIMECompClauseArray) delete [] sIMECompClauseArray; // Allocate some extra space to avoid reallocations. PRInt32 arrayLength = compClauseArrayLength + 32; sIMECompClauseArray = new PRUint32[arrayLength]; sIMECompClauseArraySize = arrayLength * sizeof(PRUint32); } #ifndef WINCE // Intelligent ABC IME (Simplified Chinese IME, the code page is 936) // will crash in ImmGetCompositionStringW for GCS_COMPCLAUSE (bug 424663). // See comment 35 of the bug for the detail. Therefore, we should use A // API for it, however, we should not kill Unicode support on all IMEs. PRBool useA_API = !(gKbdLayout.GetIMEProperty() & IME_PROP_UNICODE); #else PRBool useA_API = PR_TRUE; #endif long compClauseArrayByteCount2 = #ifndef WINCE useA_API ? ::ImmGetCompositionStringA(hIMEContext, GCS_COMPCLAUSE, sIMECompClauseArray, sIMECompClauseArraySize) : #endif ::ImmGetCompositionStringW(hIMEContext, GCS_COMPCLAUSE, sIMECompClauseArray, sIMECompClauseArraySize); NS_ASSERTION(compClauseArrayByteCount2 == compClauseArrayByteCount, "strange result"); if (compClauseArrayByteCount > compClauseArrayByteCount2) compClauseArrayLength = compClauseArrayByteCount2 / sizeof(PRUint32); if (useA_API) { // Convert each values of sIMECompClauseArray. The values mean offset of // the clauses in ANSI string. But we need the values in Unicode string. nsCAutoString compANSIStr; if (ConvertToANSIString(*sIMECompUnicode, #ifndef WINCE gKbdLayout.GetCodePage(), #else GetACP(), #endif compANSIStr)) { PRUint32 maxlen = compANSIStr.Length(); sIMECompClauseArray[0] = 0; // first value must be 0 for (PRInt32 i = 1; i < compClauseArrayLength; i++) { PRUint32 len = PR_MIN(sIMECompClauseArray[i], maxlen); sIMECompClauseArray[i] = ::MultiByteToWideChar( #ifndef WINCE gKbdLayout.GetCodePage(), #else GetACP(), #endif MB_PRECOMPOSED, (LPCSTR)compANSIStr.get(), len, NULL, 0); } } } } // compClauseArrayLength may be negative. I.e., ImmGetCompositionStringW // may return an error code. sIMECompClauseArrayLength = PR_MAX(0, compClauseArrayLength); //-------------------------------------------------------- // 3. Get GCS_COMPATTR //-------------------------------------------------------- // This provides us with the attribute string necessary // for doing hiliting long attrStrLen; attrStrLen = ::ImmGetCompositionStringW(hIMEContext, GCS_COMPATTR, NULL, 0); #ifdef DEBUG_IME printf("GCS_COMPATTR attrStrLen = %d\n", attrStrLen); #endif if (attrStrLen > sIMEAttributeArraySize) { if (sIMEAttributeArray) delete [] sIMEAttributeArray; // Allocate some extra space to avoid reallocations. PRInt32 arrayLength = attrStrLen + 64; sIMEAttributeArray = new PRUint8[arrayLength]; sIMEAttributeArraySize = arrayLength * sizeof(PRUint8); } attrStrLen = ::ImmGetCompositionStringW(hIMEContext, GCS_COMPATTR, sIMEAttributeArray, sIMEAttributeArraySize); // attrStrLen may be negative. I.e., ImmGetCompositionStringW may return an // error code. sIMEAttributeArrayLength = PR_MAX(0, attrStrLen); //-------------------------------------------------------- // 4. Get GCS_CURSOPOS //-------------------------------------------------------- // Some IMEs (e.g., the standard IME for Korean) don't have caret position. if (aGCS & GCS_CURSORPOS) { sIMECursorPosition = ::ImmGetCompositionStringW(hIMEContext, GCS_CURSORPOS, NULL, 0); if (sIMECursorPosition < 0) sIMECursorPosition = NO_IME_CARET; // The result is error } else { sIMECursorPosition = NO_IME_CARET; } NS_ASSERTION(sIMECursorPosition <= (long)sIMECompUnicode->Length(), "illegal pos"); #ifdef DEBUG_IME if (aGCS & GCS_CURSORPOS) printf("sIMECursorPosition(Unicode): %d\n", sIMECursorPosition); else printf("sIMECursorPosition: None\n"); #endif //-------------------------------------------------------- // 5. Send the text event //-------------------------------------------------------- HandleTextEvent(hIMEContext); result = PR_TRUE; } if (!result) { #ifdef DEBUG_IME fprintf(stderr, "Handle 0 length TextEvent.\n"); #endif if (!sIMEIsComposing) HandleStartComposition(hIMEContext); sIMECompUnicode->Truncate(); HandleTextEvent(hIMEContext, PR_FALSE); result = PR_TRUE; } ::ImmReleaseContext(mWnd, hIMEContext); return result; } //========================================================================== BOOL nsWindow::OnIMECompositionFull() { #ifdef DEBUG_IME2 printf("OnIMECompositionFull\n"); #endif // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMEEndComposition() { #ifdef DEBUG_IME printf("OnIMEEndComposition\n"); #endif if (sIMEIsComposing) { HIMC hIMEContext = ::ImmGetContext(mWnd); if (hIMEContext==NULL) return PR_TRUE; // IME on Korean NT somehow send WM_IME_ENDCOMPOSITION // first when we hit space in composition mode // we need to clear out the current composition string // in that case. sIMECompUnicode->Truncate(); HandleTextEvent(hIMEContext, PR_FALSE); HandleEndComposition(); ::ImmReleaseContext(mWnd, hIMEContext); } return PR_TRUE; } //========================================================================== BOOL nsWindow::OnIMENotify(WPARAM aIMN, LPARAM aData) { #ifdef DEBUG_IME2 printf("OnIMENotify "); switch (aIMN) { case IMN_CHANGECANDIDATE: printf("IMN_CHANGECANDIDATE %x\n", aData); break; case IMN_CLOSECANDIDATE: printf("IMN_CLOSECANDIDATE %x\n", aData); break; case IMN_CLOSESTATUSWINDOW: printf("IMN_CLOSESTATUSWINDOW\n"); break; case IMN_GUIDELINE: printf("IMN_GUIDELINE\n"); break; case IMN_OPENCANDIDATE: printf("IMN_OPENCANDIDATE %x\n", aData); break; case IMN_OPENSTATUSWINDOW: printf("IMN_OPENSTATUSWINDOW\n"); break; case IMN_SETCANDIDATEPOS: printf("IMN_SETCANDIDATEPOS %x\n", aData); break; case IMN_SETCOMPOSITIONFONT: printf("IMN_SETCOMPOSITIONFONT\n"); break; case IMN_SETCOMPOSITIONWINDOW: printf("IMN_SETCOMPOSITIONWINDOW\n"); break; case IMN_SETCONVERSIONMODE: printf("IMN_SETCONVERSIONMODE\n"); break; case IMN_SETOPENSTATUS: printf("IMN_SETOPENSTATUS\n"); break; case IMN_SETSENTENCEMODE: printf("IMN_SETSENTENCEMODE\n"); break; case IMN_SETSTATUSWINDOWPOS: printf("IMN_SETSTATUSWINDOWPOS\n"); break; case IMN_PRIVATE: printf("IMN_PRIVATE\n"); break; }; #endif // add hacky code here if (IS_VK_DOWN(NS_VK_ALT)) { mIsShiftDown = PR_FALSE; mIsControlDown = PR_FALSE; mIsAltDown = PR_TRUE; DispatchKeyEvent(NS_KEY_PRESS, 0, nsnull, 192, nsnull); // XXX hack hack hack if (aIMN == IMN_SETOPENSTATUS) sIMEIsStatusChanged = PR_TRUE; } // not implemented yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMERequest(WPARAM aIMR, LPARAM aData, LRESULT *oResult) { #ifdef DEBUG_IME printf("OnIMERequest\n"); #endif PRBool result = PR_FALSE; switch (aIMR) { case IMR_RECONVERTSTRING: result = OnIMEReconvert(aData, oResult); break; case IMR_QUERYCHARPOSITION: result = OnIMEQueryCharPosition(aData, oResult); break; } return result; } //========================================================================== PRBool nsWindow::OnIMEReconvert(LPARAM aData, LRESULT *oResult) { #ifdef DEBUG_IME printf("OnIMEReconvert\n"); #endif *oResult = 0; RECONVERTSTRING* pReconv = (RECONVERTSTRING*) aData; nsQueryContentEvent selection(PR_TRUE, NS_QUERY_SELECTED_TEXT, this); nsIntPoint point(0, 0); InitEvent(selection, &point); DispatchWindowEvent(&selection); if (!selection.mSucceeded) return PR_FALSE; if (!pReconv) { // Return need size to reconvert. if (selection.mReply.mString.IsEmpty()) return PR_FALSE; PRUint32 len = selection.mReply.mString.Length(); *oResult = sizeof(RECONVERTSTRING) + len * sizeof(WCHAR); return PR_TRUE; } // Fill reconvert struct PRUint32 len = selection.mReply.mString.Length(); PRUint32 needSize = sizeof(RECONVERTSTRING) + len * sizeof(WCHAR); if (pReconv->dwSize < needSize) return PR_FALSE; *oResult = needSize; DWORD tmpSize = pReconv->dwSize; ::ZeroMemory(pReconv, tmpSize); pReconv->dwSize = tmpSize; pReconv->dwVersion = 0; pReconv->dwStrLen = len; pReconv->dwStrOffset = sizeof(RECONVERTSTRING); pReconv->dwCompStrLen = len; pReconv->dwCompStrOffset = 0; pReconv->dwTargetStrLen = len; pReconv->dwTargetStrOffset = 0; ::CopyMemory((LPVOID) (aData + sizeof(RECONVERTSTRING)), selection.mReply.mString.get(), len * sizeof(WCHAR)); return PR_TRUE; } //========================================================================== PRBool nsWindow::OnIMEQueryCharPosition(LPARAM aData, LRESULT *oResult) { #ifdef DEBUG_IME printf("OnIMEQueryCharPosition\n"); #endif PRUint32 len = sIMEIsComposing ? sIMECompUnicode->Length() : 0; *oResult = FALSE; IMECHARPOSITION* pCharPosition = (IMECHARPOSITION*)aData; if (!pCharPosition || pCharPosition->dwSize < sizeof(IMECHARPOSITION) || ::GetFocus() != mWnd || pCharPosition->dwCharPos > len) return PR_FALSE; nsIntPoint point(0, 0); nsQueryContentEvent selection(PR_TRUE, NS_QUERY_SELECTED_TEXT, this); InitEvent(selection, &point); DispatchWindowEvent(&selection); if (!selection.mSucceeded) return PR_FALSE; PRUint32 offset = selection.mReply.mOffset + pCharPosition->dwCharPos; PRBool useCaretRect = selection.mReply.mString.IsEmpty(); nsIntRect r; if (!useCaretRect) { nsQueryContentEvent charRect(PR_TRUE, NS_QUERY_TEXT_RECT, this); charRect.InitForQueryTextRect(offset, 1); InitEvent(charRect, &point); DispatchWindowEvent(&charRect); if (charRect.mSucceeded) r = charRect.mReply.mRect; else useCaretRect = PR_TRUE; } if (useCaretRect) { nsQueryContentEvent caretRect(PR_TRUE, NS_QUERY_CARET_RECT, this); caretRect.InitForQueryCaretRect(offset); InitEvent(caretRect, &point); DispatchWindowEvent(&caretRect); if (!caretRect.mSucceeded) return PR_FALSE; r = caretRect.mReply.mRect; } nsIntRect screenRect; // We always need top level window that is owner window of the popup window // even if the content of the popup window has focus. ResolveIMECaretPos(GetTopLevelWindow(PR_FALSE), r, nsnull, screenRect); pCharPosition->pt.x = screenRect.x; pCharPosition->pt.y = screenRect.y; pCharPosition->cLineHeight = r.height; // XXX Should we create "query focused content rect event"? ::GetWindowRect(mWnd, &pCharPosition->rcDocument); *oResult = TRUE; return PR_TRUE; } //========================================================================== void nsWindow::ResolveIMECaretPos(nsIWidget* aReferenceWidget, nsIntRect& aCursorRect, nsIWidget* aNewOriginWidget, nsIntRect& aOutRect) { aOutRect = aCursorRect; if (aReferenceWidget == aNewOriginWidget) return; if (aReferenceWidget) aReferenceWidget->WidgetToScreen(aOutRect, aOutRect); if (aNewOriginWidget) aNewOriginWidget->ScreenToWidget(aOutRect, aOutRect); } //========================================================================== BOOL nsWindow::OnIMESelect(BOOL aSelected, WORD aLangID) { #ifdef DEBUG_IME2 printf("OnIMESelect\n"); #endif // not implement yet return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMESetContext(BOOL aActive, LPARAM& aISC) { #ifdef DEBUG_IME2 printf("OnIMESetContext %x %s %s %s Candidate[%s%s%s%s]\n", this, (aActive ? "Active" : "Deactiv"), ((aISC & ISC_SHOWUICOMPOSITIONWINDOW) ? "[Comp]" : ""), ((aISC & ISC_SHOWUIGUIDELINE) ? "[GUID]" : ""), ((aISC & ISC_SHOWUICANDIDATEWINDOW) ? "0" : ""), ((aISC & (ISC_SHOWUICANDIDATEWINDOW<<1)) ? "1" : ""), ((aISC & (ISC_SHOWUICANDIDATEWINDOW<<2)) ? "2" : ""), ((aISC & (ISC_SHOWUICANDIDATEWINDOW<<3)) ? "3" : "")); #endif if (! aActive) ResetInputState(); aISC &= ~ISC_SHOWUICOMPOSITIONWINDOW; // We still return false here because we need to pass the // aISC w/ ISC_SHOWUICOMPOSITIONWINDOW clear to the default // window proc so it will draw the candidcate window for us... return PR_FALSE; } //========================================================================== BOOL nsWindow::OnIMEStartComposition() { #ifdef DEBUG_IME printf("OnIMEStartComposition\n"); #endif HIMC hIMEContext = ::ImmGetContext(mWnd); if (hIMEContext == NULL) return PR_TRUE; PRBool rtn = HandleStartComposition(hIMEContext); ::ImmReleaseContext(mWnd, hIMEContext); return rtn; } //========================================================================== NS_IMETHODIMP nsWindow::ResetInputState() { #ifdef DEBUG_KBSTATE printf("ResetInputState\n"); #endif #ifdef NS_ENABLE_TSF nsTextStore::CommitComposition(PR_FALSE); #endif //NS_ENABLE_TSF HIMC hIMC = ::ImmGetContext(mWnd); if (hIMC) { BOOL ret = FALSE; ret = ::ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_COMPLETE, NULL); ret = ::ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, NULL); //NS_ASSERTION(ret, "ImmNotify failed"); ::ImmReleaseContext(mWnd, hIMC); } return NS_OK; } //========================================================================== NS_IMETHODIMP nsWindow::SetIMEOpenState(PRBool aState) { #ifdef DEBUG_KBSTATE printf("SetIMEOpenState %s\n", (aState ? "Open" : "Close")); #endif #ifdef NS_ENABLE_TSF nsTextStore::SetIMEOpenState(aState); #endif //NS_ENABLE_TSF HIMC hIMC = ::ImmGetContext(mWnd); if (hIMC) { ::ImmSetOpenStatus(hIMC, aState ? TRUE : FALSE); ::ImmReleaseContext(mWnd, hIMC); } return NS_OK; } //========================================================================== NS_IMETHODIMP nsWindow::GetIMEOpenState(PRBool* aState) { HIMC hIMC = ::ImmGetContext(mWnd); if (hIMC) { BOOL isOpen = ::ImmGetOpenStatus(hIMC); *aState = isOpen ? PR_TRUE : PR_FALSE; ::ImmReleaseContext(mWnd, hIMC); } else *aState = PR_FALSE; #ifdef NS_ENABLE_TSF *aState |= nsTextStore::GetIMEOpenState(); #endif //NS_ENABLE_TSF return NS_OK; } //========================================================================== NS_IMETHODIMP nsWindow::SetIMEEnabled(PRUint32 aState) { #ifdef NS_ENABLE_TSF nsTextStore::SetIMEEnabled(aState); #endif //NS_ENABLE_TSF if (sIMEIsComposing) ResetInputState(); mIMEEnabled = aState; PRBool enable = (aState == nsIWidget::IME_STATUS_ENABLED || aState == nsIWidget::IME_STATUS_PLUGIN); if (!enable != !mOldIMC) return NS_OK; mOldIMC = ::ImmAssociateContext(mWnd, enable ? mOldIMC : NULL); NS_ASSERTION(!enable || !mOldIMC, "Another IMC was associated"); return NS_OK; } //========================================================================== NS_IMETHODIMP nsWindow::GetIMEEnabled(PRUint32* aState) { *aState = mIMEEnabled; return NS_OK; } //========================================================================== NS_IMETHODIMP nsWindow::CancelIMEComposition() { #ifdef DEBUG_KBSTATE printf("CancelIMEComposition\n"); #endif #ifdef NS_ENABLE_TSF nsTextStore::CommitComposition(PR_TRUE); #endif //NS_ENABLE_TSF HIMC hIMC = ::ImmGetContext(mWnd); if (hIMC) { BOOL ret = FALSE; ret = ::ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, NULL); ::ImmReleaseContext(mWnd, hIMC); } return NS_OK; } //========================================================================== NS_IMETHODIMP nsWindow::GetToggledKeyState(PRUint32 aKeyCode, PRBool* aLEDState) { #ifdef DEBUG_KBSTATE printf("GetToggledKeyState\n"); #endif NS_ENSURE_ARG_POINTER(aLEDState); *aLEDState = (::GetKeyState(aKeyCode) & 1) != 0; return NS_OK; } #define PT_IN_RECT(pt, rc) ((pt).x>(rc).left && (pt).x <(rc).right && (pt).y>(rc).top && (pt).y<(rc).bottom) // Mouse operation of IME PRBool nsWindow::IMEMouseHandling(PRInt32 aAction, LPARAM lParam) { #ifndef WINCE POINT ptPos; ptPos.x = (short)LOWORD(lParam); ptPos.y = (short)HIWORD(lParam); if (sIMEIsComposing && nsWindow::uWM_MSIME_MOUSE) { if (IMECompositionHitTest(&ptPos)) if (HandleMouseActionOfIME(aAction, &ptPos)) return PR_TRUE; } else { HWND parentWnd = ::GetParent(mWnd); if (parentWnd) { nsWindow* parentWidget = GetNSWindowPtr(parentWnd); if (parentWidget && parentWidget->sIMEIsComposing && nsWindow::uWM_MSIME_MOUSE) { if (parentWidget->IMECompositionHitTest(&ptPos)) if (parentWidget->HandleMouseActionOfIME(aAction, &ptPos)) return PR_TRUE; } } } #endif return PR_FALSE; } PRBool nsWindow::HandleMouseActionOfIME(int aAction, POINT *ptPos) { PRBool IsHandle = PR_FALSE; if (mWnd) { HIMC hIMC = ::ImmGetContext(mWnd); if (hIMC) { int positioning = 0; int offset = 0; // calcurate positioning and offset // char : JCH1|JCH2|JCH3 // offset: 0011 1122 2233 // positioning: 2301 2301 2301 // Note: hitText has been done, so no check of sIMECompCharPos // and composing char maximum limit is necessary. PRUint32 len = sIMECompUnicode->Length(); PRUint32 i = 0; for (i = 0; i < len; ++i) { if (PT_IN_RECT(*ptPos, sIMECompCharPos[i])) break; } offset = i; if (ptPos->x - sIMECompCharPos[i].left > sIMECompCharPos[i].right - ptPos->x) offset++; positioning = (ptPos->x - sIMECompCharPos[i].left) * 4 / (sIMECompCharPos[i].right - sIMECompCharPos[i].left); positioning = (positioning + 2) % 4; // send MS_MSIME_MOUSE message to default IME window. HWND imeWnd = ::ImmGetDefaultIMEWnd(mWnd); if (::SendMessageW(imeWnd, nsWindow::uWM_MSIME_MOUSE, MAKELONG(MAKEWORD(aAction, positioning), offset), (LPARAM) hIMC) == 1) IsHandle = PR_TRUE; } ::ImmReleaseContext(mWnd, hIMC); } return IsHandle; } //The coordinate is relative to the upper-left corner of the client area. PRBool nsWindow::IMECompositionHitTest(POINT * ptPos) { PRBool IsHit = PR_FALSE; if (sIMECompCharPos){ // figure out how many char in composing string, // but keep it below the limit we can handle PRInt32 len = sIMECompUnicode->Length(); if (len > IME_MAX_CHAR_POS) len = IME_MAX_CHAR_POS; PRInt32 i; PRInt32 aveWidth = 0; // found per char width for (i = 0; i < len; i++) { if (sIMECompCharPos[i].left >= 0 && sIMECompCharPos[i].right > 0) { aveWidth = sIMECompCharPos[i].right - sIMECompCharPos[i].left; break; } } // validate each rect and test for (i = 0; i < len; i++) { if (sIMECompCharPos[i].left < 0) { if (i != 0 && sIMECompCharPos[i-1].top == sIMECompCharPos[i].top) sIMECompCharPos[i].left = sIMECompCharPos[i-1].right; else sIMECompCharPos[i].left = sIMECompCharPos[i].right - aveWidth; } if (sIMECompCharPos[i].right < 0) sIMECompCharPos[i].right = sIMECompCharPos[i].left + aveWidth; if (sIMECompCharPos[i].top < 0) { sIMECompCharPos[i].top = sIMECompCharPos[i-1].top; sIMECompCharPos[i].bottom = sIMECompCharPos[i-1].bottom; } if (PT_IN_RECT(*ptPos, sIMECompCharPos[i])) { IsHit = PR_TRUE; break; } } } return IsHit; } void nsWindow::GetCompositionWindowPos(HIMC hIMC, PRUint32 aEventType, COMPOSITIONFORM *cpForm) { nsTextEvent event(PR_TRUE, 0, this); POINT point; point.x = 0; point.y = 0; DWORD pos = ::GetMessagePos(); point.x = GET_X_LPARAM(pos); point.y = GET_Y_LPARAM(pos); if (mWnd != NULL) { ::ScreenToClient(mWnd, &point); event.refPoint.x = point.x; event.refPoint.y = point.y; } else { event.refPoint.x = 0; event.refPoint.y = 0; } ::ImmGetCompositionWindow(hIMC, cpForm); cpForm->ptCurrentPos.x = event.theReply.mCursorPosition.x + IME_X_OFFSET; cpForm->ptCurrentPos.y = event.theReply.mCursorPosition.y + IME_Y_OFFSET + event.theReply.mCursorPosition.height; cpForm->rcArea.left = cpForm->ptCurrentPos.x; cpForm->rcArea.top = cpForm->ptCurrentPos.y; cpForm->rcArea.right = cpForm->ptCurrentPos.x + event.theReply.mCursorPosition.width; cpForm->rcArea.bottom = cpForm->ptCurrentPos.y + event.theReply.mCursorPosition.height; } // This function is called on a timer to do the flashing. It simply toggles the flash // status until the window comes to the foreground. static VOID CALLBACK nsGetAttentionTimerFunc(HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime) { // flash the window until we're in the foreground. if (::GetForegroundWindow() != hwnd) { // flash the outermost owner HWND flashwnd = gAttentionTimerMonitor->GetFlashWindowFor(hwnd); PRInt32 maxFlashCount = gAttentionTimerMonitor->GetMaxFlashCount(hwnd); PRInt32 flashCount = gAttentionTimerMonitor->GetFlashCount(hwnd); if (maxFlashCount > 0) { // We have a max flash count, if we haven't met it yet, flash again. if (flashCount < maxFlashCount) { ::FlashWindow(flashwnd, TRUE); gAttentionTimerMonitor->IncrementFlashCount(hwnd); } else gAttentionTimerMonitor->KillTimer(hwnd); } else { // The caller didn't specify a flash count. ::FlashWindow(flashwnd, TRUE); } gAttentionTimerMonitor->SetFlashed(hwnd); } else gAttentionTimerMonitor->KillTimer(hwnd); } #ifdef NS_ENABLE_TSF NS_IMETHODIMP nsWindow::OnIMEFocusChange(PRBool aFocus) { return nsTextStore::OnFocusChange(aFocus, this, mIMEEnabled); } NS_IMETHODIMP nsWindow::OnIMETextChange(PRUint32 aStart, PRUint32 aOldEnd, PRUint32 aNewEnd) { return nsTextStore::OnTextChange(aStart, aOldEnd, aNewEnd); } NS_IMETHODIMP nsWindow::OnIMESelectionChange(void) { return nsTextStore::OnSelectionChange(); } #endif //NS_ENABLE_TSF // Draw user's attention to this window until it comes to foreground. NS_IMETHODIMP nsWindow::GetAttention(PRInt32 aCycleCount) { // Got window? if (!mWnd) return NS_ERROR_NOT_INITIALIZED; // Don't flash if the flash count is 0. if (aCycleCount == 0) return NS_OK; // timer is on the parentmost window; window to flash is its ownermost HWND timerwnd = GetTopLevelHWND(mWnd); HWND flashwnd = timerwnd; HWND nextwnd; while ((nextwnd = ::GetWindow(flashwnd, GW_OWNER)) != 0) flashwnd = nextwnd; // If window is in foreground, no notification is necessary. if (::GetForegroundWindow() != timerwnd) { // kick off a timer that does single flash until the window comes to the foreground if (!gAttentionTimerMonitor) gAttentionTimerMonitor = new nsAttentionTimerMonitor; if (gAttentionTimerMonitor) { gAttentionTimerMonitor->AddTimer(timerwnd, flashwnd, aCycleCount, NS_FLASH_TIMER_ID); ::SetTimer(timerwnd, NS_FLASH_TIMER_ID, GetCaretBlinkTime(), (TIMERPROC)nsGetAttentionTimerFunc); } } return NS_OK; } NS_IMETHODIMP nsWindow::GetLastInputEventTime(PRUint32& aTime) { WORD qstatus = HIWORD(GetQueueStatus(QS_INPUT)); // If there is pending input or the user is currently // moving the window then return the current time. // Note: When the user is moving the window WIN32 spins // a separate event loop and input events are not // reported to the application. nsToolkit* toolkit = (nsToolkit *)mToolkit; if (qstatus || (toolkit && toolkit->UserIsMovingWindow())) { gLastInputEventTime = PR_IntervalToMicroseconds(PR_IntervalNow()); } aTime = gLastInputEventTime; return NS_OK; } //------------------------------------------------------------------------- //------------------------------------------------------------------------- //-- NOTE!!! These hook functions can be removed when we migrate to //-- XBL-Form Controls //------------------------------------------------------------------------- //------------------------------------------------------------------------- //#define DISPLAY_NOISY_MSGF_MSG #ifdef DISPLAY_NOISY_MSGF_MSG typedef struct { char * mStr; int mId; } MSGFEventMsgInfo; MSGFEventMsgInfo gMSGFEvents[] = { "MSGF_DIALOGBOX", 0, "MSGF_MESSAGEBOX", 1, "MSGF_MENU", 2, "MSGF_SCROLLBAR", 5, "MSGF_NEXTWINDOW", 6, "MSGF_MAX", 8, "MSGF_USER", 4096, NULL, 0}; void PrintEvent(UINT msg, PRBool aShowAllEvents, PRBool aShowMouseMoves); int gLastMsgCode = 0; #define DISPLAY_NMM_PRT(_arg) printf((_arg)); #else #define DISPLAY_NMM_PRT(_arg) #endif #ifndef WINCE //------------------------------------------------------------------------- // Schedules a timer for a window, so we can rollup after processing the hook event void nsWindow::ScheduleHookTimer(HWND aWnd, UINT aMsgId) { // In some cases multiple hooks may be scheduled // so ignore any other requests once one timer is scheduled if (gHookTimerId == 0) { // Remember the window handle and the message ID to be used later gRollupMsgId = aMsgId; gRollupMsgWnd = aWnd; // Schedule native timer for doing the rollup after // this event is done being processed gHookTimerId = ::SetTimer(NULL, 0, 0, (TIMERPROC)HookTimerForPopups); NS_ASSERTION(gHookTimerId, "Timer couldn't be created."); } } //------------------------------------------------------------------------- // Process Menu messages // Rollup when when is clicked LRESULT CALLBACK nsWindow::MozSpecialMsgFilter(int code, WPARAM wParam, LPARAM lParam) { #ifdef DISPLAY_NOISY_MSGF_MSG if (gProcessHook) { MSG* pMsg = (MSG*)lParam; int inx = 0; while (gMSGFEvents[inx].mId != code && gMSGFEvents[inx].mStr != NULL) { inx++; } if (code != gLastMsgCode) { if (gMSGFEvents[inx].mId == code) { #ifdef DEBUG printf("MozSpecialMessageProc - code: 0x%X - %s hw: %p\n", code, gMSGFEvents[inx].mStr, pMsg->hwnd); #endif } else { #ifdef DEBUG printf("MozSpecialMessageProc - code: 0x%X - %d hw: %p\n", code, gMSGFEvents[inx].mId, pMsg->hwnd); #endif } gLastMsgCode = code; } PrintEvent(pMsg->message, FALSE, FALSE); } #endif if (gProcessHook && code == MSGF_MENU) { MSG* pMsg = (MSG*)lParam; ScheduleHookTimer( pMsg->hwnd, pMsg->message); } return ::CallNextHookEx(gMsgFilterHook, code, wParam, lParam); } //------------------------------------------------------------------------- // Process all mouse messages // Roll up when a click is in a native window that doesn't have an nsIWidget LRESULT CALLBACK nsWindow::MozSpecialMouseProc(int code, WPARAM wParam, LPARAM lParam) { if (gProcessHook) { switch (wParam) { case WM_LBUTTONDOWN: case WM_RBUTTONDOWN: case WM_MBUTTONDOWN: case WM_MOUSEWHEEL: case WM_MOUSEHWHEEL: { MOUSEHOOKSTRUCT* ms = (MOUSEHOOKSTRUCT*)lParam; nsIWidget* mozWin = (nsIWidget*)GetNSWindowPtr(ms->hwnd); if (mozWin) { // If this window is windowed plugin window, the mouse events are not // sent to us. if (static_cast(mozWin)->mIsPluginWindow) ScheduleHookTimer(ms->hwnd, (UINT)wParam); } else { ScheduleHookTimer(ms->hwnd, (UINT)wParam); } break; } } } return ::CallNextHookEx(gCallMouseHook, code, wParam, lParam); } //------------------------------------------------------------------------- // Process all messages // Roll up when the window is moving, or is resizing or when maximized or mininized LRESULT CALLBACK nsWindow::MozSpecialWndProc(int code, WPARAM wParam, LPARAM lParam) { #ifdef DISPLAY_NOISY_MSGF_MSG if (gProcessHook) { CWPSTRUCT* cwpt = (CWPSTRUCT*)lParam; PrintEvent(cwpt->message, FALSE, FALSE); } #endif if (gProcessHook) { CWPSTRUCT* cwpt = (CWPSTRUCT*)lParam; if (cwpt->message == WM_MOVING || cwpt->message == WM_SIZING || cwpt->message == WM_GETMINMAXINFO) { ScheduleHookTimer(cwpt->hwnd, (UINT)cwpt->message); } } return ::CallNextHookEx(gCallProcHook, code, wParam, lParam); } //------------------------------------------------------------------------- // Register the special "hooks" for dropdown processing void nsWindow::RegisterSpecialDropdownHooks() { NS_ASSERTION(!gMsgFilterHook, "gMsgFilterHook must be NULL!"); NS_ASSERTION(!gCallProcHook, "gCallProcHook must be NULL!"); DISPLAY_NMM_PRT("***************** Installing Msg Hooks ***************\n"); //HMODULE hMod = GetModuleHandle("gkwidget.dll"); // Install msg hook for moving the window and resizing if (!gMsgFilterHook) { DISPLAY_NMM_PRT("***** Hooking gMsgFilterHook!\n"); gMsgFilterHook = SetWindowsHookEx(WH_MSGFILTER, MozSpecialMsgFilter, NULL, GetCurrentThreadId()); #ifdef DISPLAY_NOISY_MSGF_MSG if (!gMsgFilterHook) { printf("***** SetWindowsHookEx is NOT installed for WH_MSGFILTER!\n"); } #endif } // Install msg hook for menus if (!gCallProcHook) { DISPLAY_NMM_PRT("***** Hooking gCallProcHook!\n"); gCallProcHook = SetWindowsHookEx(WH_CALLWNDPROC, MozSpecialWndProc, NULL, GetCurrentThreadId()); #ifdef DISPLAY_NOISY_MSGF_MSG if (!gCallProcHook) { printf("***** SetWindowsHookEx is NOT installed for WH_CALLWNDPROC!\n"); } #endif } // Install msg hook for the mouse if (!gCallMouseHook) { DISPLAY_NMM_PRT("***** Hooking gCallMouseHook!\n"); gCallMouseHook = SetWindowsHookEx(WH_MOUSE, MozSpecialMouseProc, NULL, GetCurrentThreadId()); #ifdef DISPLAY_NOISY_MSGF_MSG if (!gCallMouseHook) { printf("***** SetWindowsHookEx is NOT installed for WH_MOUSE!\n"); } #endif } } //------------------------------------------------------------------------- // Unhook special message hooks for dropdowns void nsWindow::UnregisterSpecialDropdownHooks() { DISPLAY_NMM_PRT("***************** De-installing Msg Hooks ***************\n"); if (gCallProcHook) { DISPLAY_NMM_PRT("***** Unhooking gCallProcHook!\n"); if (!::UnhookWindowsHookEx(gCallProcHook)) { DISPLAY_NMM_PRT("***** UnhookWindowsHookEx failed for gCallProcHook!\n"); } gCallProcHook = NULL; } if (gMsgFilterHook) { DISPLAY_NMM_PRT("***** Unhooking gMsgFilterHook!\n"); if (!::UnhookWindowsHookEx(gMsgFilterHook)) { DISPLAY_NMM_PRT("***** UnhookWindowsHookEx failed for gMsgFilterHook!\n"); } gMsgFilterHook = NULL; } if (gCallMouseHook) { DISPLAY_NMM_PRT("***** Unhooking gCallMouseHook!\n"); if (!::UnhookWindowsHookEx(gCallMouseHook)) { DISPLAY_NMM_PRT("***** UnhookWindowsHookEx failed for gCallMouseHook!\n"); } gCallMouseHook = NULL; } } //------------------------------------------------------------------------- // This timer is designed to only fire one time at most each time a "hook" function // is used to rollup the dropdown // In some cases, the timer may be scheduled from the hook, but that hook event or // a subsequent event may roll up the dropdown before this timer function is executed. // // For example, if an MFC control takes focus, the combobox will lose focus and rollup // before this function fires. // VOID CALLBACK nsWindow::HookTimerForPopups(HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime) { if (gHookTimerId != 0) { // if the window is NULL then we need to use the ID to kill the timer BOOL status = ::KillTimer(NULL, gHookTimerId); NS_ASSERTION(status, "Hook Timer was not killed."); gHookTimerId = 0; } if (gRollupMsgId != 0) { // Note: DealWithPopups does the check to make sure that // gRollupListener and gRollupWidget are not NULL LRESULT popupHandlingResult; nsAutoRollup autoRollup; DealWithPopups(gRollupMsgWnd, gRollupMsgId, 0, 0, &popupHandlingResult); gRollupMsgId = 0; gRollupMsgWnd = NULL; } } #endif // WinCE static PRBool IsDifferentThreadWindow(HWND aWnd) { return ::GetCurrentThreadId() != ::GetWindowThreadProcessId(aWnd, NULL); } // // DealWithPopups // // Handle events that may cause a popup (combobox, XPMenu, etc) to need to rollup. // BOOL nsWindow :: DealWithPopups ( HWND inWnd, UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESULT* outResult ) { if (gRollupListener && gRollupWidget && ::IsWindowVisible(inWnd)) { if (inMsg == WM_LBUTTONDOWN || inMsg == WM_RBUTTONDOWN || inMsg == WM_MBUTTONDOWN || inMsg == WM_MOUSEWHEEL || inMsg == WM_MOUSEHWHEEL || inMsg == WM_ACTIVATE || (inMsg == WM_KILLFOCUS && IsDifferentThreadWindow((HWND)inWParam)) #ifndef WINCE || inMsg == WM_NCRBUTTONDOWN || inMsg == WM_MOVING || inMsg == WM_SIZING || inMsg == WM_NCLBUTTONDOWN || inMsg == WM_NCMBUTTONDOWN || inMsg == WM_MOUSEACTIVATE || inMsg == WM_ACTIVATEAPP || inMsg == WM_MENUSELECT #endif ) { // Rollup if the event is outside the popup. PRBool rollup = !nsWindow::EventIsInsideWindow(inMsg, (nsWindow*)gRollupWidget); if (rollup && (inMsg == WM_MOUSEWHEEL || inMsg == WM_MOUSEHWHEEL)) { gRollupListener->ShouldRollupOnMouseWheelEvent(&rollup); *outResult = PR_TRUE; } // If we're dealing with menus, we probably have submenus and we don't // want to rollup if the click is in a parent menu of the current submenu. if (rollup) { nsCOMPtr menuRollup ( do_QueryInterface(gRollupListener) ); if ( menuRollup ) { nsAutoTArray widgetChain; menuRollup->GetSubmenuWidgetChain ( &widgetChain ); for ( PRUint32 i = 0; i < widgetChain.Length(); ++i ) { nsIWidget* widget = widgetChain[i]; if ( nsWindow::EventIsInsideWindow(inMsg, (nsWindow*)widget) ) { rollup = PR_FALSE; break; } } // foreach parent menu widget } // if rollup listener knows about menus } #ifndef WINCE if (inMsg == WM_MOUSEACTIVATE) { // Prevent the click inside the popup from causing a change in window // activation. Since the popup is shown non-activated, we need to eat // any requests to activate the window while it is displayed. Windows // will automatically activate the popup on the mousedown otherwise. if (!rollup) { *outResult = MA_NOACTIVATE; return TRUE; } else { UINT uMsg = HIWORD(inLParam); if (uMsg == WM_MOUSEMOVE) { // WM_MOUSEACTIVATE cause by moving the mouse - X-mouse (eg. TweakUI) // must be enabled in Windows. gRollupListener->ShouldRollupOnMouseActivate(&rollup); if (!rollup) { *outResult = MA_NOACTIVATE; return true; } } } } // if we've still determined that we should still rollup everything, do it. else #endif if ( rollup ) { // gRollupConsumeRollupEvent may be modified by // nsIRollupListener::Rollup. PRBool consumeRollupEvent = gRollupConsumeRollupEvent; // only need to deal with the last rollup for left mouse down events. gRollupListener->Rollup(inMsg == WM_LBUTTONDOWN ? &mLastRollup : nsnull); // Tell hook to stop processing messages gProcessHook = PR_FALSE; gRollupMsgId = 0; gRollupMsgWnd = NULL; // return TRUE tells Windows that the event is consumed, // false allows the event to be dispatched // // So if we are NOT supposed to be consuming events, let it go through if (consumeRollupEvent && inMsg != WM_RBUTTONDOWN) { *outResult = TRUE; return TRUE; } } } // if event that might trigger a popup to rollup } // if rollup listeners registered return FALSE; } // DealWithPopups #ifdef ACCESSIBILITY already_AddRefed nsWindow::GetRootAccessible() { nsWindow::gIsAccessibilityOn = TRUE; if (mIsDestroying || mOnDestroyCalled || mWindowType == eWindowType_invisible) { return nsnull; } nsIAccessible *rootAccessible = nsnull; // If accessibility is turned on, we create this even before it is requested // when the window gets focused. We need it to be created early so it can // generate accessibility events right away nsWindow* accessibleWindow = nsnull; if (mContentType != eContentTypeInherit) { // We're on a MozillaContentWindowClass or MozillaUIWindowClass window. // Search for the correct visible child window to get an accessible // document from. Make sure to use an active child window HWND accessibleWnd = ::GetTopWindow(mWnd); while (accessibleWnd) { // Loop through windows and find the first one with accessibility info accessibleWindow = GetNSWindowPtr(accessibleWnd); if (accessibleWindow) { accessibleWindow->DispatchAccessibleEvent(NS_GETACCESSIBLE, &rootAccessible); if (rootAccessible) { break; // Success, one of the child windows was active } } accessibleWnd = ::GetNextWindow(accessibleWnd, GW_HWNDNEXT); } } else { DispatchAccessibleEvent(NS_GETACCESSIBLE, &rootAccessible); } return rootAccessible; } HINSTANCE nsWindow::gmAccLib = 0; LPFNLRESULTFROMOBJECT nsWindow::gmLresultFromObject = 0; STDMETHODIMP_(LRESULT) nsWindow::LresultFromObject(REFIID riid, WPARAM wParam, LPUNKNOWN pAcc) { // open the dll dynamically if (!gmAccLib) gmAccLib =::LoadLibraryW(L"OLEACC.DLL"); if (gmAccLib) { if (!gmLresultFromObject) gmLresultFromObject = (LPFNLRESULTFROMOBJECT)GetProcAddress(gmAccLib,"LresultFromObject"); if (gmLresultFromObject) return gmLresultFromObject(riid,wParam,pAcc); } return 0; } #endif #ifdef MOZ_XUL nsWindow* nsWindow::GetTopLevelWindow(PRBool aStopOnDialogOrPopup) { nsWindow* curWindow = this; while (PR_TRUE) { if (aStopOnDialogOrPopup) { switch (curWindow->mWindowType) { case eWindowType_dialog: case eWindowType_popup: return curWindow; } } nsWindow* parentWindow = curWindow->GetParentWindow(); if (!parentWindow) return curWindow; curWindow = parentWindow; } } gfxASurface *nsWindow::GetThebesSurface() { if (mPaintDC) return (new gfxWindowsSurface(mPaintDC)); return (new gfxWindowsSurface(mWnd)); } void nsWindow::ResizeTranslucentWindow(PRInt32 aNewWidth, PRInt32 aNewHeight, PRBool force) { if (!force && aNewWidth == mBounds.width && aNewHeight == mBounds.height) return; mTransparentSurface = new gfxWindowsSurface(gfxIntSize(aNewWidth, aNewHeight), gfxASurface::ImageFormatARGB32); mMemoryDC = mTransparentSurface->GetDC(); } nsTransparencyMode nsWindow::GetTransparencyMode() { return GetTopLevelWindow(PR_TRUE)->GetWindowTranslucencyInner(); } void nsWindow::SetTransparencyMode(nsTransparencyMode aMode) { GetTopLevelWindow(PR_TRUE)->SetWindowTranslucencyInner(aMode); } void nsWindow::SetWindowTranslucencyInner(nsTransparencyMode aMode) { #ifndef WINCE if (aMode == mTransparencyMode) return; HWND hWnd = GetTopLevelHWND(mWnd, PR_TRUE); nsWindow* topWindow = GetNSWindowPtr(hWnd); if (!topWindow) { NS_WARNING("Trying to use transparent chrome in an embedded context"); return; } LONG style = 0, exStyle = 0; switch(aMode) { case eTransparencyTransparent: exStyle |= WS_EX_LAYERED; case eTransparencyOpaque: case eTransparencyGlass: topWindow->mTransparencyMode = aMode; break; } style |= topWindow->WindowStyle(); exStyle |= topWindow->WindowExStyle(); VERIFY_WINDOW_STYLE(style); ::SetWindowLongW(hWnd, GWL_STYLE, style); ::SetWindowLongW(hWnd, GWL_EXSTYLE, exStyle); mTransparencyMode = aMode; SetupTranslucentWindowMemoryBitmap(aMode); MARGINS margins = { 0, 0, 0, 0 }; if(eTransparencyGlass == aMode) margins.cxLeftWidth = -1; if(nsUXThemeData::sHaveCompositor) nsUXThemeData::dwmExtendFrameIntoClientAreaPtr(hWnd, &margins); #endif } void nsWindow::SetupTranslucentWindowMemoryBitmap(nsTransparencyMode aMode) { if (eTransparencyTransparent == aMode) { ResizeTranslucentWindow(mBounds.width, mBounds.height, PR_TRUE); } else { mTransparentSurface = nsnull; mMemoryDC = NULL; } } nsresult nsWindow::UpdateTranslucentWindow() { #ifndef WINCE if (mBounds.IsEmpty()) return NS_OK; ::GdiFlush(); BLENDFUNCTION bf = { AC_SRC_OVER, 0, 255, AC_SRC_ALPHA }; SIZE winSize = { mBounds.width, mBounds.height }; POINT srcPos = { 0, 0 }; HWND hWnd = GetTopLevelHWND(mWnd, PR_TRUE); RECT winRect; ::GetWindowRect(hWnd, &winRect); // perform the alpha blend if (!::UpdateLayeredWindow(hWnd, NULL, (POINT*)&winRect, &winSize, mMemoryDC, &srcPos, 0, &bf, ULW_ALPHA)) return NS_ERROR_FAILURE; #endif return NS_OK; } #endif //MOZ_XUL