gecko/widget/windows/nsWindow.h

636 lines
28 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef Window_h__
#define Window_h__
/*
* nsWindow - Native window management and event handling.
*/
#include "nsAutoPtr.h"
#include "nsBaseWidget.h"
#include "nsWindowBase.h"
#include "nsdefs.h"
#include "nsIdleService.h"
#include "nsToolkit.h"
#include "nsString.h"
#include "nsTArray.h"
#include "gfxWindowsPlatform.h"
#include "gfxWindowsSurface.h"
#include "nsWindowDbg.h"
#include "cairo.h"
#include "nsITimer.h"
#include "nsRegion.h"
#include "mozilla/EventForwards.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TimeStamp.h"
#include "nsMargin.h"
#include "nsRegionFwd.h"
#include "nsWinGesture.h"
#include "WindowHook.h"
#include "TaskbarWindowPreview.h"
#ifdef ACCESSIBILITY
#include "oleacc.h"
#include "mozilla/a11y/Accessible.h"
#endif
#include "nsUXThemeData.h"
#include "nsIDOMMouseEvent.h"
#include "nsIIdleServiceInternal.h"
#include "IMMHandler.h"
/**
* Forward class definitions
*/
class nsNativeDragTarget;
class nsIRollupListener;
class imgIContainer;
namespace mozilla {
namespace widget {
class NativeKey;
struct MSGResult;
} // namespace widget
} // namespacw mozilla;
/**
* Native WIN32 window wrapper.
*/
class nsWindow : public nsWindowBase
{
typedef mozilla::TimeStamp TimeStamp;
typedef mozilla::TimeDuration TimeDuration;
typedef mozilla::widget::WindowHook WindowHook;
typedef mozilla::widget::TaskbarWindowPreview TaskbarWindowPreview;
typedef mozilla::widget::NativeKey NativeKey;
typedef mozilla::widget::MSGResult MSGResult;
typedef mozilla::widget::IMEContext IMEContext;
public:
nsWindow();
NS_DECL_ISUPPORTS_INHERITED
friend class nsWindowGfx;
// nsWindowBase
virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent,
LayoutDeviceIntPoint* aPoint = nullptr) override;
virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) override;
virtual bool DispatchKeyboardEvent(mozilla::WidgetKeyboardEvent* aEvent) override;
virtual bool DispatchWheelEvent(mozilla::WidgetWheelEvent* aEvent) override;
virtual bool DispatchContentCommandEvent(mozilla::WidgetContentCommandEvent* aEvent) override;
virtual nsWindowBase* GetParentWindowBase(bool aIncludeOwner) override;
virtual bool IsTopLevelWidget() override { return mIsTopWidgetWindow; }
using nsWindowBase::DispatchPluginEvent;
// nsIWidget interface
NS_IMETHOD Create(nsIWidget* aParent,
nsNativeWidget aNativeParent,
const LayoutDeviceIntRect& aRect,
nsWidgetInitData* aInitData = nullptr) override;
NS_IMETHOD Destroy() override;
NS_IMETHOD SetParent(nsIWidget *aNewParent) override;
virtual nsIWidget* GetParent(void) override;
virtual float GetDPI() override;
virtual double GetDefaultScaleInternal() override;
NS_IMETHOD Show(bool bState) override;
virtual bool IsVisible() const override;
NS_IMETHOD ConstrainPosition(bool aAllowSlop, int32_t *aX, int32_t *aY) override;
virtual void SetSizeConstraints(const SizeConstraints& aConstraints) override;
NS_IMETHOD Move(double aX, double aY) override;
NS_IMETHOD Resize(double aWidth, double aHeight, bool aRepaint) override;
NS_IMETHOD Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint) override;
NS_IMETHOD BeginResizeDrag(mozilla::WidgetGUIEvent* aEvent,
int32_t aHorizontal,
int32_t aVertical) override;
NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement, nsIWidget *aWidget, bool aActivate) override;
NS_IMETHOD SetSizeMode(nsSizeMode aMode) override;
NS_IMETHOD Enable(bool aState) override;
virtual bool IsEnabled() const override;
NS_IMETHOD SetFocus(bool aRaise) override;
NS_IMETHOD GetBounds(LayoutDeviceIntRect& aRect) override;
NS_IMETHOD GetScreenBounds(LayoutDeviceIntRect& aRect) override;
NS_IMETHOD GetRestoredBounds(LayoutDeviceIntRect& aRect) override;
NS_IMETHOD GetClientBounds(LayoutDeviceIntRect& aRect) override;
virtual LayoutDeviceIntPoint GetClientOffset() override;
void SetBackgroundColor(const nscolor& aColor) override;
NS_IMETHOD SetCursor(imgIContainer* aCursor,
uint32_t aHotspotX, uint32_t aHotspotY) override;
NS_IMETHOD SetCursor(nsCursor aCursor) override;
virtual nsresult ConfigureChildren(const nsTArray<Configuration>& aConfigurations) override;
virtual bool PrepareForFullscreenTransition(nsISupports** aData) override;
virtual void PerformFullscreenTransition(FullscreenTransitionStage aStage,
uint16_t aDuration,
nsISupports* aData,
nsIRunnable* aCallback) override;
NS_IMETHOD MakeFullScreen(bool aFullScreen, nsIScreen* aScreen = nullptr) override;
NS_IMETHOD HideWindowChrome(bool aShouldHide) override;
NS_IMETHOD Invalidate(bool aEraseBackground = false,
bool aUpdateNCArea = false,
bool aIncludeChildren = false);
NS_IMETHOD Invalidate(const LayoutDeviceIntRect& aRect);
virtual void* GetNativeData(uint32_t aDataType) override;
void SetNativeData(uint32_t aDataType, uintptr_t aVal) override;
virtual void FreeNativeData(void * data, uint32_t aDataType) override;
NS_IMETHOD SetTitle(const nsAString& aTitle) override;
NS_IMETHOD SetIcon(const nsAString& aIconSpec) override;
virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
virtual LayoutDeviceIntSize ClientToWindowSize(const LayoutDeviceIntSize& aClientSize) override;
NS_IMETHOD DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
nsEventStatus& aStatus) override;
NS_IMETHOD EnableDragDrop(bool aEnable) override;
NS_IMETHOD CaptureMouse(bool aCapture) override;
NS_IMETHOD CaptureRollupEvents(nsIRollupListener * aListener,
bool aDoCapture) override;
NS_IMETHOD GetAttention(int32_t aCycleCount) override;
virtual bool HasPendingInputEvent() override;
virtual LayerManager* GetLayerManager(PLayerTransactionChild* aShadowManager = nullptr,
LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT,
bool* aAllowRetaining = nullptr) override;
NS_IMETHOD OnDefaultButtonLoaded(const LayoutDeviceIntRect& aButtonRect) override;
NS_IMETHOD OverrideSystemMouseScrollSpeed(double aOriginalDeltaX,
double aOriginalDeltaY,
double& aOverriddenDeltaX,
double& aOverriddenDeltaY) override;
virtual nsresult SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
uint32_t aModifierFlags,
const nsAString& aCharacters,
const nsAString& aUnmodifiedCharacters,
nsIObserver* aObserver) override;
virtual nsresult SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
uint32_t aNativeMessage,
uint32_t aModifierFlags,
nsIObserver* aObserver) override;
virtual nsresult SynthesizeNativeMouseMove(LayoutDeviceIntPoint aPoint,
nsIObserver* aObserver) override
{ return SynthesizeNativeMouseEvent(aPoint, MOUSEEVENTF_MOVE, 0, aObserver); }
virtual nsresult SynthesizeNativeMouseScrollEvent(LayoutDeviceIntPoint aPoint,
uint32_t aNativeMessage,
double aDeltaX,
double aDeltaY,
double aDeltaZ,
uint32_t aModifierFlags,
uint32_t aAdditionalFlags,
nsIObserver* aObserver) override;
NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
const InputContextAction& aAction) override;
NS_IMETHOD_(InputContext) GetInputContext() override;
#ifdef MOZ_XUL
virtual void SetTransparencyMode(nsTransparencyMode aMode) override;
virtual nsTransparencyMode GetTransparencyMode() override;
virtual void UpdateOpaqueRegion(const LayoutDeviceIntRegion& aOpaqueRegion) override;
#endif // MOZ_XUL
virtual nsIMEUpdatePreference GetIMEUpdatePreference() override;
NS_IMETHOD GetNonClientMargins(LayoutDeviceIntMargin& aMargins) override;
NS_IMETHOD SetNonClientMargins(LayoutDeviceIntMargin& aMargins) override;
void SetDrawsInTitlebar(bool aState) override;
already_AddRefed<mozilla::gfx::DrawTarget> StartRemoteDrawing() override;
virtual void EndRemoteDrawing() override;
virtual void UpdateWindowDraggingRegion(const LayoutDeviceIntRegion& aRegion) override;
virtual void UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries) override;
virtual uint32_t GetMaxTouchPoints() const override;
/**
* Event helpers
*/
virtual bool DispatchMouseEvent(
mozilla::EventMessage aEventMessage,
WPARAM wParam,
LPARAM lParam,
bool aIsContextMenuKey = false,
int16_t aButton =
mozilla::WidgetMouseEvent::eLeftButton,
uint16_t aInputSource =
nsIDOMMouseEvent::MOZ_SOURCE_MOUSE);
virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent,
nsEventStatus& aStatus);
void DispatchPendingEvents();
bool DispatchPluginEvent(UINT aMessage,
WPARAM aWParam,
LPARAM aLParam,
bool aDispatchPendingEvents);
void SuppressBlurEvents(bool aSuppress); // Called from nsFilePicker
bool BlurEventsSuppressed();
#ifdef ACCESSIBILITY
/**
* Return an accessible associated with the window.
*/
mozilla::a11y::Accessible* GetAccessible();
#endif // ACCESSIBILITY
/**
* Window utilities
*/
nsWindow* GetTopLevelWindow(bool aStopOnDialogOrPopup);
WNDPROC GetPrevWindowProc() { return mPrevWndProc; }
WindowHook& GetWindowHook() { return mWindowHook; }
nsWindow* GetParentWindow(bool aIncludeOwner);
// Get an array of all nsWindow*s on the main thread.
typedef void (WindowEnumCallback)(nsWindow*);
static void EnumAllWindows(WindowEnumCallback aCallback);
/**
* Misc.
*/
virtual bool AutoErase(HDC dc);
bool ComputeShouldAccelerate() override;
static void ClearCompositor(nsWindow* aWindow);
/**
* AssociateDefaultIMC() associates or disassociates the default IMC for
* the window.
*
* @param aAssociate TRUE, associates the default IMC with the window.
* Otherwise, disassociates the default IMC from the
* window.
* @return TRUE if this method associated the default IMC with
* disassociated window or disassociated the default IMC
* from associated window.
* Otherwise, i.e., if this method did nothing actually,
* FALSE.
*/
bool AssociateDefaultIMC(bool aAssociate);
bool HasTaskbarIconBeenCreated() { return mHasTaskbarIconBeenCreated; }
// Called when either the nsWindow or an nsITaskbarTabPreview receives the noticiation that this window
// has its icon placed on the taskbar.
void SetHasTaskbarIconBeenCreated(bool created = true) { mHasTaskbarIconBeenCreated = created; }
// Getter/setter for the nsITaskbarWindowPreview for this nsWindow
already_AddRefed<nsITaskbarWindowPreview> GetTaskbarPreview() {
nsCOMPtr<nsITaskbarWindowPreview> preview(do_QueryReferent(mTaskbarPreview));
return preview.forget();
}
void SetTaskbarPreview(nsITaskbarWindowPreview *preview) { mTaskbarPreview = do_GetWeakReference(preview); }
NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent) override;
// Open file picker tracking
void PickerOpen();
void PickerClosed();
bool const DestroyCalled() { return mDestroyCalled; }
bool IsPopup();
virtual bool ShouldUseOffMainThreadCompositing() override;
bool CaptureWidgetOnScreen(RefPtr<mozilla::gfx::DrawTarget> aDT) override;
const IMEContext& DefaultIMC() const { return mDefaultIMC; }
virtual void SetCandidateWindowForPlugin(int32_t aX,
int32_t aY) override;
virtual void DefaultProcOfPluginEvent(
const mozilla::WidgetPluginEvent& aEvent) override;
protected:
virtual ~nsWindow();
virtual void WindowUsesOMTC() override;
virtual void RegisterTouchWindow() override;
virtual nsresult NotifyIMEInternal(
const IMENotification& aIMENotification) override;
// A magic number to identify the FAKETRACKPOINTSCROLLABLE window created
// when the trackpoint hack is enabled.
enum { eFakeTrackPointScrollableID = 0x46545053 };
/**
* Callbacks
*/
static LRESULT CALLBACK WindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK WindowProcInternal(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
static BOOL CALLBACK BroadcastMsgToChildren(HWND aWnd, LPARAM aMsg);
static BOOL CALLBACK BroadcastMsg(HWND aTopWindow, LPARAM aMsg);
static BOOL CALLBACK DispatchStarvedPaints(HWND aTopWindow, LPARAM aMsg);
static BOOL CALLBACK RegisterTouchForDescendants(HWND aTopWindow, LPARAM aMsg);
static BOOL CALLBACK UnregisterTouchForDescendants(HWND aTopWindow, LPARAM aMsg);
static LRESULT CALLBACK MozSpecialMsgFilter(int code, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK MozSpecialWndProc(int code, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK MozSpecialMouseProc(int code, WPARAM wParam, LPARAM lParam);
static VOID CALLBACK HookTimerForPopups( HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime );
static BOOL CALLBACK ClearResourcesCallback(HWND aChild, LPARAM aParam);
static BOOL CALLBACK EnumAllChildWindProc(HWND aWnd, LPARAM aParam);
static BOOL CALLBACK EnumAllThreadWindowProc(HWND aWnd, LPARAM aParam);
/**
* Window utilities
*/
LPARAM lParamToScreen(LPARAM lParam);
LPARAM lParamToClient(LPARAM lParam);
virtual void SubclassWindow(BOOL bState);
bool CanTakeFocus();
bool UpdateNonClientMargins(int32_t aSizeMode = -1, bool aReflowWindow = true);
void UpdateGetWindowInfoCaptionStatus(bool aActiveCaption);
void ResetLayout();
void InvalidateNonClientRegion();
HRGN ExcludeNonClientFromPaintRegion(HRGN aRegion);
static const wchar_t* GetMainWindowClass();
bool HasGlass() const {
return mTransparencyMode == eTransparencyGlass ||
mTransparencyMode == eTransparencyBorderlessGlass;
}
HWND GetOwnerWnd() const
{
return ::GetWindow(mWnd, GW_OWNER);
}
bool IsOwnerForegroundWindow() const
{
HWND owner = GetOwnerWnd();
return owner && owner == ::GetForegroundWindow();
}
bool IsPopup() const
{
return mWindowType == eWindowType_popup;
}
/**
* Event processing helpers
*/
void DispatchFocusToTopLevelWindow(bool aIsActivate);
bool DispatchStandardEvent(mozilla::EventMessage aMsg);
void RelayMouseEvent(UINT aMsg, WPARAM wParam, LPARAM lParam);
virtual bool ProcessMessage(UINT msg, WPARAM &wParam,
LPARAM &lParam, LRESULT *aRetValue);
bool ExternalHandlerProcessMessage(
UINT aMessage, WPARAM& aWParam,
LPARAM& aLParam, MSGResult& aResult);
bool ProcessMessageForPlugin(const MSG &aMsg,
MSGResult& aResult);
LRESULT ProcessCharMessage(const MSG &aMsg,
bool *aEventDispatched);
LRESULT ProcessKeyUpMessage(const MSG &aMsg,
bool *aEventDispatched);
LRESULT ProcessKeyDownMessage(const MSG &aMsg,
bool *aEventDispatched);
static bool EventIsInsideWindow(nsWindow* aWindow);
// Convert nsEventStatus value to a windows boolean
static bool ConvertStatus(nsEventStatus aStatus);
static void PostSleepWakeNotification(const bool aIsSleepMode);
int32_t ClientMarginHitTestPoint(int32_t mx, int32_t my);
TimeStamp GetMessageTimeStamp(LONG aEventTime);
static void UpdateFirstEventTime(DWORD aEventTime);
/**
* Event handlers
*/
virtual void OnDestroy() override;
virtual bool OnResize(nsIntRect &aWindowRect);
bool OnGesture(WPARAM wParam, LPARAM lParam);
bool OnTouch(WPARAM wParam, LPARAM lParam);
bool OnHotKey(WPARAM wParam, LPARAM lParam);
bool OnPaint(HDC aDC, uint32_t aNestingLevel);
void OnWindowPosChanged(WINDOWPOS* wp);
void OnWindowPosChanging(LPWINDOWPOS& info);
void OnSysColorChanged();
/**
* Function that registers when the user has been active (used for detecting
* when the user is idle).
*/
void UserActivity();
int32_t GetHeight(int32_t aProposedHeight);
const wchar_t* GetWindowClass() const;
const wchar_t* GetWindowPopupClass() const;
virtual DWORD WindowStyle();
DWORD WindowExStyle();
// This method registers the given window class, and returns the class name.
const wchar_t* RegisterWindowClass(const wchar_t* aClassName,
UINT aExtraStyle,
LPWSTR aIconID) const;
/**
* XP and Vista theming support for windows with rounded edges
*/
void ClearThemeRegion();
void SetThemeRegion();
/**
* Popup hooks
*/
static void ScheduleHookTimer(HWND aWnd, UINT aMsgId);
static void RegisterSpecialDropdownHooks();
static void UnregisterSpecialDropdownHooks();
static bool GetPopupsToRollup(nsIRollupListener* aRollupListener,
uint32_t* aPopupsToRollup);
static bool NeedsToHandleNCActivateDelayed(HWND aWnd);
static bool DealWithPopups(HWND inWnd, UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESULT* outResult);
/**
* Window transparency helpers
*/
#ifdef MOZ_XUL
private:
void SetWindowTranslucencyInner(nsTransparencyMode aMode);
nsTransparencyMode GetWindowTranslucencyInner() const { return mTransparencyMode; }
void ResizeTranslucentWindow(int32_t aNewWidth, int32_t aNewHeight, bool force = false);
nsresult UpdateTranslucentWindow();
void ClearTranslucentWindow();
void SetupTranslucentWindowMemoryBitmap(nsTransparencyMode aMode);
void UpdateGlass();
protected:
#endif // MOZ_XUL
static bool IsAsyncResponseEvent(UINT aMsg, LRESULT& aResult);
void IPCWindowProcHandler(UINT& msg, WPARAM& wParam, LPARAM& lParam);
/**
* Misc.
*/
void StopFlashing();
static bool IsTopLevelMouseExit(HWND aWnd);
virtual nsresult SetWindowClipRegion(const nsTArray<LayoutDeviceIntRect>& aRects,
bool aIntersectWithExisting) override;
nsIntRegion GetRegionToPaint(bool aForceFullRepaint,
PAINTSTRUCT ps, HDC aDC);
static void ActivateOtherWindowHelper(HWND aWnd);
void ClearCachedResources();
nsIWidgetListener* GetPaintListener();
static bool IsRenderMode(gfxWindowsPlatform::RenderMode aMode);
virtual bool PreRender(LayerManagerComposite*) override;
virtual void PostRender(LayerManagerComposite*) override;
protected:
nsCOMPtr<nsIWidget> mParent;
nsIntSize mLastSize;
nsIntPoint mLastPoint;
HWND mWnd;
HWND mTransitionWnd;
WNDPROC mPrevWndProc;
HBRUSH mBrush;
IMEContext mDefaultIMC;
bool mIsTopWidgetWindow;
bool mInDtor;
bool mIsVisible;
bool mUnicodeWidget;
bool mPainting;
bool mTouchWindow;
bool mDisplayPanFeedback;
bool mHideChrome;
bool mIsRTL;
bool mFullscreenMode;
bool mMousePresent;
bool mDestroyCalled;
uint32_t mBlurSuppressLevel;
DWORD_PTR mOldStyle;
DWORD_PTR mOldExStyle;
nsNativeDragTarget* mNativeDragTarget;
HKL mLastKeyboardLayout;
nsSizeMode mOldSizeMode;
nsSizeMode mLastSizeMode;
WindowHook mWindowHook;
uint32_t mPickerDisplayCount;
HICON mIconSmall;
HICON mIconBig;
static bool sDropShadowEnabled;
static uint32_t sInstanceCount;
static TriStateBool sCanQuit;
static nsWindow* sCurrentWindow;
static BOOL sIsOleInitialized;
static HCURSOR sHCursor;
static imgIContainer* sCursorImgContainer;
static bool sSwitchKeyboardLayout;
static bool sJustGotDeactivate;
static bool sJustGotActivate;
static bool sIsInMouseCapture;
static int sTrimOnMinimize;
// Always use the helper method to read this property. See bug 603793.
static TriStateBool sHasBogusPopupsDropShadowOnMultiMonitor;
static bool HasBogusPopupsDropShadowOnMultiMonitor();
// Non-client margin settings
// Pre-calculated outward offset applied to default frames
LayoutDeviceIntMargin mNonClientOffset;
// Margins set by the owner
LayoutDeviceIntMargin mNonClientMargins;
// Margins we'd like to set once chrome is reshown:
LayoutDeviceIntMargin mFutureMarginsOnceChromeShows;
// Indicates we need to apply margins once toggling chrome into showing:
bool mFutureMarginsToUse;
// Indicates custom frames are enabled
bool mCustomNonClient;
// Cached copy of L&F's resize border
int32_t mHorResizeMargin;
int32_t mVertResizeMargin;
// Height of the caption plus border
int32_t mCaptionHeight;
nsCOMPtr<nsIIdleServiceInternal> mIdleService;
// Draggable titlebar region maintained by UpdateWindowDraggingRegion
LayoutDeviceIntRegion mDraggableRegion;
// Hook Data Memebers for Dropdowns. sProcessHook Tells the
// hook methods whether they should be processing the hook
// messages.
static HHOOK sMsgFilterHook;
static HHOOK sCallProcHook;
static HHOOK sCallMouseHook;
static bool sProcessHook;
static UINT sRollupMsgId;
static HWND sRollupMsgWnd;
static UINT sHookTimerId;
// Mouse Clicks - static variable definitions for figuring
// out 1 - 3 Clicks.
static POINT sLastMousePoint;
static POINT sLastMouseMovePoint;
static LONG sLastMouseDownTime;
static LONG sLastClickCount;
static BYTE sLastMouseButton;
// Graphics
HDC mPaintDC; // only set during painting
HDC mCompositeDC; // only set during StartRemoteDrawing
nsIntRect mLastPaintBounds;
// Used for displayport suppression during window resize
enum ResizeState {
NOT_RESIZING,
IN_SIZEMOVE,
RESIZING,
};
ResizeState mResizeState;
// Transparency
#ifdef MOZ_XUL
// Use layered windows to support full 256 level alpha translucency
RefPtr<gfxASurface> mTransparentSurface;
HDC mMemoryDC;
nsTransparencyMode mTransparencyMode;
nsIntRegion mPossiblyTransparentRegion;
MARGINS mGlassMargins;
#endif // MOZ_XUL
// Win7 Gesture processing and management
nsWinGesture mGesture;
// Weak ref to the nsITaskbarWindowPreview associated with this window
nsWeakPtr mTaskbarPreview;
// True if the taskbar (possibly through the tab preview) tells us that the
// icon has been created on the taskbar.
bool mHasTaskbarIconBeenCreated;
// Indicates that mouse events should be ignored and pass through to the
// window below. This is currently only used for popups.
bool mMouseTransparent;
// Whether we're in the process of sending a WM_SETTEXT ourselves
bool mSendingSetText;
// The point in time at which the last paint completed. We use this to avoid
// painting too rapidly in response to frequent input events.
TimeStamp mLastPaintEndTime;
// Caching for hit test results
POINT mCachedHitTestPoint;
TimeStamp mCachedHitTestTime;
int32_t mCachedHitTestResult;
static bool sNeedsToInitMouseWheelSettings;
static void InitMouseWheelScrollData();
CRITICAL_SECTION mPresentLock;
};
/**
* A child window is a window with different style.
*/
class ChildWindow : public nsWindow {
public:
ChildWindow() {}
protected:
virtual DWORD WindowStyle();
};
#endif // Window_h__