/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* vim:expandtab:shiftwidth=4:tabstop=4: */ /* ***** 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 Christopher Blizzard * . Portions created by the Initial Developer * are Copyright (C) 2001 the Initial Developer. All Rights Reserved. * * Contributor(s): * Mats Palmgren * Masayuki Nakano * Martin Stransky * Jan Horak * * 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 "mozilla/Util.h" #ifdef MOZ_PLATFORM_MAEMO // needed to include hildon parts in gtk.h #define MAEMO_CHANGES #endif #include "prlink.h" #include "nsWindow.h" #include "nsGTKToolkit.h" #include "nsIRollupListener.h" #include "nsIDOMNode.h" #include "nsWidgetsCID.h" #include "nsDragService.h" #include "nsIDragSessionGTK.h" #include "nsGtkKeyUtils.h" #include "nsGtkCursors.h" #include #if defined(MOZ_WIDGET_GTK3) #include #endif #ifdef MOZ_X11 #include #include #include #include #if defined(MOZ_WIDGET_GTK3) #include #endif #ifdef AIX #include #else #include #endif #include "gtk2xtbin.h" #endif /* MOZ_X11 */ #include #if defined(MOZ_WIDGET_GTK2) #include #endif #if defined(MOZ_WIDGET_GTK2) #include "gtk2compat.h" #endif #include "nsGkAtoms.h" #ifdef MOZ_ENABLE_STARTUP_NOTIFICATION #define SN_API_NOT_YET_FROZEN #include #endif #include "mozilla/Preferences.h" #include "nsIPrefService.h" #include "nsIGConfService.h" #include "nsIServiceManager.h" #include "nsIStringBundle.h" #include "nsGfxCIID.h" #include "nsIObserverService.h" #include "nsIdleService.h" #include "nsIPropertyBag2.h" #ifdef ACCESSIBILITY #include "nsAccessibilityService.h" #include "nsIAccessibleDocument.h" using namespace mozilla; using namespace mozilla::widget; #endif /* For SetIcon */ #include "nsAppDirectoryServiceDefs.h" #include "nsXPIDLString.h" #include "nsIFile.h" #include "nsILocalFile.h" /* SetCursor(imgIContainer*) */ #include #include #include "imgIContainer.h" #include "nsGfxCIID.h" #include "nsImageToPixbuf.h" #include "nsIInterfaceRequestorUtils.h" #include "nsAutoPtr.h" extern "C" { #define PIXMAN_DONT_DEFINE_STDINT #include "pixman.h" } #include "gfxPlatformGtk.h" #include "gfxContext.h" #include "gfxImageSurface.h" #include "gfxUtils.h" #include "Layers.h" #include "LayerManagerOGL.h" #include "GLContextProvider.h" #ifdef MOZ_X11 #include "gfxXlibSurface.h" #include "cairo-xlib.h" #endif #include "nsShmImage.h" using namespace mozilla; using namespace mozilla::widget; using mozilla::gl::GLContext; using mozilla::layers::LayerManagerOGL; // Don't put more than this many rects in the dirty region, just fluff // out to the bounding-box if there are more #define MAX_RECTS_IN_REGION 100 /* utility functions */ static bool check_for_rollup(gdouble aMouseX, gdouble aMouseY, bool aIsWheel, bool aAlwaysRollup); static bool is_mouse_in_window(GdkWindow* aWindow, gdouble aMouseX, gdouble aMouseY); static nsWindow *get_window_for_gtk_widget(GtkWidget *widget); static nsWindow *get_window_for_gdk_window(GdkWindow *window); static GtkWidget *get_gtk_widget_for_gdk_window(GdkWindow *window); static GdkCursor *get_gtk_cursor(nsCursor aCursor); static GdkWindow *get_inner_gdk_window (GdkWindow *aWindow, gint x, gint y, gint *retx, gint *rety); static inline bool is_context_menu_key(const nsKeyEvent& inKeyEvent); static void key_event_to_context_menu_event(nsMouseEvent &aEvent, GdkEventKey *aGdkEvent); static int is_parent_ungrab_enter(GdkEventCrossing *aEvent); static int is_parent_grab_leave(GdkEventCrossing *aEvent); static void GetBrandName(nsXPIDLString& brandName); /* callbacks from widgets */ #if defined(MOZ_WIDGET_GTK2) static gboolean expose_event_cb (GtkWidget *widget, GdkEventExpose *event); #else static gboolean expose_event_cb (GtkWidget *widget, cairo_t *rect); #endif static gboolean configure_event_cb (GtkWidget *widget, GdkEventConfigure *event); static void container_unrealize_cb (GtkWidget *widget); static void size_allocate_cb (GtkWidget *widget, GtkAllocation *allocation); static gboolean delete_event_cb (GtkWidget *widget, GdkEventAny *event); static gboolean enter_notify_event_cb (GtkWidget *widget, GdkEventCrossing *event); static gboolean leave_notify_event_cb (GtkWidget *widget, GdkEventCrossing *event); static gboolean motion_notify_event_cb (GtkWidget *widget, GdkEventMotion *event); static gboolean button_press_event_cb (GtkWidget *widget, GdkEventButton *event); static gboolean button_release_event_cb (GtkWidget *widget, GdkEventButton *event); static gboolean focus_in_event_cb (GtkWidget *widget, GdkEventFocus *event); static gboolean focus_out_event_cb (GtkWidget *widget, GdkEventFocus *event); static gboolean key_press_event_cb (GtkWidget *widget, GdkEventKey *event); static gboolean key_release_event_cb (GtkWidget *widget, GdkEventKey *event); static gboolean scroll_event_cb (GtkWidget *widget, GdkEventScroll *event); static gboolean visibility_notify_event_cb(GtkWidget *widget, GdkEventVisibility *event); static void hierarchy_changed_cb (GtkWidget *widget, GtkWidget *previous_toplevel); static gboolean window_state_event_cb (GtkWidget *widget, GdkEventWindowState *event); static void theme_changed_cb (GtkSettings *settings, GParamSpec *pspec, nsWindow *data); static nsWindow* GetFirstNSWindowForGDKWindow (GdkWindow *aGdkWindow); #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #ifdef MOZ_X11 static GdkFilterReturn popup_take_focus_filter (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data); static GdkFilterReturn plugin_window_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data); static GdkFilterReturn plugin_client_message_filter (GdkXEvent *xevent, GdkEvent *event, gpointer data); #endif /* MOZ_X11 */ #ifdef __cplusplus } #endif /* __cplusplus */ static gboolean drag_motion_event_cb (GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, guint aTime, gpointer aData); static void drag_leave_event_cb (GtkWidget *aWidget, GdkDragContext *aDragContext, guint aTime, gpointer aData); static gboolean drag_drop_event_cb (GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, guint aTime, gpointer aData); static void drag_data_received_event_cb(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, GtkSelectionData *aSelectionData, guint aInfo, guint32 aTime, gpointer aData); /* initialization static functions */ static nsresult initialize_prefs (void); // this is the last window that had a drag event happen on it. nsWindow *nsWindow::sLastDragMotionWindow = NULL; bool nsWindow::sIsDraggingOutOf = false; // Time of the last button release event. We use it to detect when the // drag ended before we could properly setup drag and drop. guint32 nsWindow::sLastButtonReleaseTime = 0; static guint32 sLastUserInputTime = GDK_CURRENT_TIME; static guint32 sRetryGrabTime; static NS_DEFINE_IID(kCDragServiceCID, NS_DRAGSERVICE_CID); // The window from which the focus manager asks us to dispatch key events. static nsWindow *gFocusWindow = NULL; static bool gBlockActivateEvent = false; static bool gGlobalsInitialized = false; static bool gRaiseWindows = true; static nsWindow *gPluginFocusWindow = NULL; static nsIRollupListener* gRollupListener; static nsWeakPtr gRollupWindow; static bool gConsumeRollupEvent; #define NS_WINDOW_TITLE_MAX_LENGTH 4095 // If after selecting profile window, the startup fail, please refer to // http://bugzilla.gnome.org/show_bug.cgi?id=88940 // needed for imgIContainer cursors // GdkDisplay* was added in 2.2 typedef struct _GdkDisplay GdkDisplay; #define kWindowPositionSlop 20 // cursor cache static GdkCursor *gCursorCache[eCursorCount]; // imported in nsWidgetFactory.cpp bool gDisableNativeTheme = false; static GtkWidget *gInvisibleContainer = NULL; // Sometimes this actually also includes the state of the modifier keys, but // only the button state bits are used. static guint gButtonState; // Some gobject functions expect functions for gpointer arguments. // gpointer is void* but C++ doesn't like casting functions to void*. template static inline gpointer FuncToGpointer(T aFunction) { return reinterpret_cast (reinterpret_cast // This cast just provides a warning if T is not a function. (reinterpret_cast(aFunction))); } // nsAutoRef uses nsSimpleRef<> to know how to automatically // destroy regions. template <> class nsSimpleRef : public pixman_region32 { protected: typedef pixman_region32 RawRef; nsSimpleRef() { data = nsnull; } nsSimpleRef(const RawRef &aRawRef) : pixman_region32(aRawRef) { } static void Release(pixman_region32& region) { pixman_region32_fini(®ion); } // Whether this needs to be released: bool HaveResource() const { return data != nsnull; } pixman_region32& get() { return *this; } }; static inline PRInt32 GetBitmapStride(PRInt32 width) { #if defined(MOZ_X11) || defined(MOZ_WIDGET_GTK2) return (width+7)/8; #else return cairo_format_stride_for_width(CAIRO_FORMAT_A1, width); #endif } static inline bool TimestampIsNewerThan(guint32 a, guint32 b) { // Timestamps are just the least significant bits of a monotonically // increasing function, and so the use of unsigned overflow arithmetic. return a - b <= G_MAXUINT32/2; } static void UpdateLastInputEventTime(void *aGdkEvent) { nsCOMPtr idleService = do_GetService("@mozilla.org/widget/idleservice;1"); if (idleService) { idleService->ResetIdleTimeOut(); } guint timestamp = gdk_event_get_time(static_cast(aGdkEvent)); if (timestamp == GDK_CURRENT_TIME) return; sLastUserInputTime = timestamp; } nsWindow::nsWindow() { mIsTopLevel = false; mIsDestroyed = false; mNeedsResize = false; mNeedsMove = false; mListenForResizes = false; mIsShown = false; mNeedsShow = false; mEnabled = true; mCreated = false; mContainer = nsnull; mGdkWindow = nsnull; mShell = nsnull; mWindowGroup = nsnull; mHasMappedToplevel = false; mIsFullyObscured = false; mRetryPointerGrab = false; mTransientParent = nsnull; mWindowType = eWindowType_child; mSizeState = nsSizeMode_Normal; mLastSizeMode = nsSizeMode_Normal; #ifdef MOZ_X11 mOldFocusWindow = 0; #endif /* MOZ_X11 */ mPluginType = PluginType_NONE; if (!gGlobalsInitialized) { gGlobalsInitialized = true; // It's OK if either of these fail, but it may not be one day. initialize_prefs(); } mLastMotionPressure = 0; #ifdef ACCESSIBILITY mRootAccessible = nsnull; #endif mIsTransparent = false; mTransparencyBitmap = nsnull; mTransparencyBitmapWidth = 0; mTransparencyBitmapHeight = 0; } nsWindow::~nsWindow() { LOG(("nsWindow::~nsWindow() [%p]\n", (void *)this)); if (sLastDragMotionWindow == this) { sLastDragMotionWindow = NULL; } delete[] mTransparencyBitmap; mTransparencyBitmap = nsnull; Destroy(); } /* static */ void nsWindow::ReleaseGlobals() { for (PRUint32 i = 0; i < ArrayLength(gCursorCache); ++i) { if (gCursorCache[i]) { gdk_cursor_unref(gCursorCache[i]); gCursorCache[i] = nsnull; } } } NS_IMPL_ISUPPORTS_INHERITED1(nsWindow, nsBaseWidget, nsISupportsWeakReference) void nsWindow::CommonCreate(nsIWidget *aParent, bool aListenForResizes) { mParent = aParent; mListenForResizes = aListenForResizes; mCreated = true; } void nsWindow::InitKeyEvent(nsKeyEvent &aEvent, GdkEventKey *aGdkEvent) { aEvent.keyCode = GdkKeyCodeToDOMKeyCode(aGdkEvent->keyval); // NOTE: The state of given key event indicates adjacent state of // modifier keys. E.g., even if the event is Shift key press event, // the bit for Shift is still false. By the same token, even if the // event is Shift key release event, the bit for Shift is still true. // Unfortunately, gdk_keyboard_get_modifiers() returns current modifier // state. It means if there're some pending modifier key press or // key release events, the result isn't what we want. // Temporarily, we should compute the state only when the key event // is GDK_KEY_PRESS. guint modifierState = aGdkEvent->state; guint changingMask = 0; switch (aEvent.keyCode) { case NS_VK_SHIFT: changingMask = GDK_SHIFT_MASK; break; case NS_VK_CONTROL: changingMask = GDK_CONTROL_MASK; break; case NS_VK_ALT: changingMask = GDK_MOD1_MASK; break; case NS_VK_META: changingMask = GDK_MOD4_MASK; break; } if (changingMask != 0) { // This key event is caused by pressing or releasing a modifier key. if (aGdkEvent->type == GDK_KEY_PRESS) { // If new modifier key is pressed, add the pressed mod mask. modifierState |= changingMask; } else { // XXX If we could know the modifier keys state at the key release // event, we should cut out changingMask from modifierState. } } aEvent.isShift = (modifierState & GDK_SHIFT_MASK) != 0; aEvent.isControl = (modifierState & GDK_CONTROL_MASK) != 0; aEvent.isAlt = (modifierState & GDK_MOD1_MASK) != 0; aEvent.isMeta = (modifierState & GDK_MOD4_MASK) != 0; // The transformations above and in gdk for the keyval are not invertible // so link to the GdkEvent (which will vanish soon after return from the // event callback) to give plugins access to hardware_keycode and state. // (An XEvent would be nice but the GdkEvent is good enough.) aEvent.pluginEvent = (void *)aGdkEvent; aEvent.time = aGdkEvent->time; } void nsWindow::DispatchResizeEvent(nsIntRect &aRect, nsEventStatus &aStatus) { nsSizeEvent event(true, NS_SIZE, this); event.windowSize = &aRect; event.refPoint.x = aRect.x; event.refPoint.y = aRect.y; event.mWinWidth = aRect.width; event.mWinHeight = aRect.height; nsEventStatus status; DispatchEvent(&event, status); } void nsWindow::DispatchActivateEvent(void) { NS_ASSERTION(mContainer || mIsDestroyed, "DispatchActivateEvent only intended for container windows"); #ifdef ACCESSIBILITY DispatchActivateEventAccessible(); #endif //ACCESSIBILITY nsGUIEvent event(true, NS_ACTIVATE, this); nsEventStatus status; DispatchEvent(&event, status); } void nsWindow::DispatchDeactivateEvent(void) { nsGUIEvent event(true, NS_DEACTIVATE, this); nsEventStatus status; DispatchEvent(&event, status); #ifdef ACCESSIBILITY DispatchDeactivateEventAccessible(); #endif //ACCESSIBILITY } nsresult nsWindow::DispatchEvent(nsGUIEvent *aEvent, nsEventStatus &aStatus) { #ifdef DEBUG debug_DumpEvent(stdout, aEvent->widget, aEvent, nsCAutoString("something"), 0); #endif aStatus = nsEventStatus_eIgnore; // send it to the standard callback if (mEventCallback) aStatus = (* mEventCallback)(aEvent); return NS_OK; } void nsWindow::OnDestroy(void) { if (mOnDestroyCalled) return; mOnDestroyCalled = true; // Prevent deletion. nsCOMPtr kungFuDeathGrip = this; // release references to children, device context, toolkit + app shell nsBaseWidget::OnDestroy(); // Remove association between this object and its parent and siblings. nsBaseWidget::Destroy(); mParent = nsnull; nsGUIEvent event(true, NS_DESTROY, this); nsEventStatus status; DispatchEvent(&event, status); } bool nsWindow::AreBoundsSane(void) { if (mBounds.width > 0 && mBounds.height > 0) return true; return false; } static GtkWidget* EnsureInvisibleContainer() { if (!gInvisibleContainer) { // GtkWidgets need to be anchored to a GtkWindow to be realized (to // have a window). Using GTK_WINDOW_POPUP rather than // GTK_WINDOW_TOPLEVEL in the hope that POPUP results in less // initialization and window manager interaction. GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP); gInvisibleContainer = moz_container_new(); gtk_container_add(GTK_CONTAINER(window), gInvisibleContainer); gtk_widget_realize(gInvisibleContainer); } return gInvisibleContainer; } static void CheckDestroyInvisibleContainer() { NS_PRECONDITION(gInvisibleContainer, "oh, no"); if (!gdk_window_peek_children(gtk_widget_get_window(gInvisibleContainer))) { // No children, so not in use. // Make sure to destroy the GtkWindow also. gtk_widget_destroy(gtk_widget_get_parent(gInvisibleContainer)); gInvisibleContainer = NULL; } } // Change the containing GtkWidget on a sub-hierarchy of GdkWindows belonging // to aOldWidget and rooted at aWindow, and reparent any child GtkWidgets of // the GdkWindow hierarchy to aNewWidget. static void SetWidgetForHierarchy(GdkWindow *aWindow, GtkWidget *aOldWidget, GtkWidget *aNewWidget) { gpointer data; gdk_window_get_user_data(aWindow, &data); if (data != aOldWidget) { if (!GTK_IS_WIDGET(data)) return; GtkWidget* widget = static_cast(data); if (gtk_widget_get_parent(widget) != aOldWidget) return; // This window belongs to a child widget, which will no longer be a // child of aOldWidget. gtk_widget_reparent(widget, aNewWidget); return; } GList *children = gdk_window_get_children(aWindow); for(GList *list = children; list; list = list->next) { SetWidgetForHierarchy(GDK_WINDOW(list->data), aOldWidget, aNewWidget); } g_list_free(children); gdk_window_set_user_data(aWindow, aNewWidget); } // Walk the list of child windows and call destroy on them. void nsWindow::DestroyChildWindows() { if (!mGdkWindow) return; while (GList *children = gdk_window_peek_children(mGdkWindow)) { GdkWindow *child = GDK_WINDOW(children->data); nsWindow *kid = get_window_for_gdk_window(child); if (kid) { kid->Destroy(); } else { // This child is not an nsWindow. // Destroy the child GtkWidget. gpointer data; gdk_window_get_user_data(child, &data); if (GTK_IS_WIDGET(data)) { gtk_widget_destroy(static_cast(data)); } } } } NS_IMETHODIMP nsWindow::Destroy(void) { if (mIsDestroyed || !mCreated) return NS_OK; LOG(("nsWindow::Destroy [%p]\n", (void *)this)); mIsDestroyed = true; mCreated = false; /** Need to clean our LayerManager up while still alive */ if (mLayerManager) { nsRefPtr gl = nsnull; if (mLayerManager->GetBackendType() == LayerManager::LAYERS_OPENGL) { LayerManagerOGL *ogllm = static_cast(mLayerManager.get()); gl = ogllm->gl(); } mLayerManager->Destroy(); if (gl) { gl->MarkDestroyed(); } } mLayerManager = nsnull; ClearCachedResources(); g_signal_handlers_disconnect_by_func(gtk_settings_get_default(), FuncToGpointer(theme_changed_cb), this); // ungrab if required nsCOMPtr rollupWidget = do_QueryReferent(gRollupWindow); if (static_cast(this) == rollupWidget.get()) { if (gRollupListener) gRollupListener->Rollup(0); gRollupWindow = nsnull; gRollupListener = nsnull; } NativeShow(false); if (mIMModule) { mIMModule->OnDestroyWindow(this); } // make sure that we remove ourself as the focus window if (gFocusWindow == this) { LOGFOCUS(("automatically losing focus...\n")); gFocusWindow = nsnull; } #if defined(MOZ_WIDGET_GTK2) && defined(MOZ_X11) // make sure that we remove ourself as the plugin focus window if (gPluginFocusWindow == this) { gPluginFocusWindow->LoseNonXEmbedPluginFocus(); } #endif /* MOZ_X11 && MOZ_WIDGET_GTK2 */ if (mWindowGroup) { g_object_unref(mWindowGroup); mWindowGroup = nsnull; } // Destroy thebes surface now. Badness can happen if we destroy // the surface after its X Window. mThebesSurface = nsnull; if (mDragLeaveTimer) { mDragLeaveTimer->Cancel(); mDragLeaveTimer = nsnull; } GtkWidget *owningWidget = GetMozContainerWidget(); if (mShell) { gtk_widget_destroy(mShell); mShell = nsnull; mContainer = nsnull; NS_ABORT_IF_FALSE(!mGdkWindow, "mGdkWindow should be NULL when mContainer is destroyed"); } else if (mContainer) { gtk_widget_destroy(GTK_WIDGET(mContainer)); mContainer = nsnull; NS_ABORT_IF_FALSE(!mGdkWindow, "mGdkWindow should be NULL when mContainer is destroyed"); } else if (mGdkWindow) { // Destroy child windows to ensure that their mThebesSurfaces are // released and to remove references from GdkWindows back to their // container widget. (OnContainerUnrealize() does this when the // MozContainer widget is destroyed.) DestroyChildWindows(); gdk_window_set_user_data(mGdkWindow, NULL); g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", NULL); gdk_window_destroy(mGdkWindow); mGdkWindow = nsnull; } if (gInvisibleContainer && owningWidget == gInvisibleContainer) { CheckDestroyInvisibleContainer(); } #ifdef ACCESSIBILITY if (mRootAccessible) { mRootAccessible = nsnull; } #endif // Save until last because OnDestroy() may cause us to be deleted. OnDestroy(); return NS_OK; } nsIWidget * nsWindow::GetParent(void) { return mParent; } float nsWindow::GetDPI() { #ifdef MOZ_PLATFORM_MAEMO static float sDPI = 0; if (!sDPI) { // X on Maemo does not report true DPI: https://bugs.maemo.org/show_bug.cgi?id=4825 nsCOMPtr infoService = do_GetService("@mozilla.org/system-info;1"); NS_ASSERTION(infoService, "Could not find a system info service"); nsCString deviceType; infoService->GetPropertyAsACString(NS_LITERAL_STRING("device"), deviceType); if (deviceType.EqualsLiteral("Nokia N900")) { sDPI = 265.0f; } else if (deviceType.EqualsLiteral("Nokia N8xx")) { sDPI = 225.0f; } else { // Fall back to something sane. NS_WARNING("Unknown device - using default DPI"); sDPI = 96.0f; } } return sDPI; #else Display *dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default()); int defaultScreen = DefaultScreen(dpy); double heightInches = DisplayHeightMM(dpy, defaultScreen)/MM_PER_INCH_FLOAT; if (heightInches < 0.25) { // Something's broken, but we'd better not crash. return 96.0f; } return float(DisplayHeight(dpy, defaultScreen)/heightInches); #endif } NS_IMETHODIMP nsWindow::SetParent(nsIWidget *aNewParent) { if (mContainer || !mGdkWindow) { NS_NOTREACHED("nsWindow::SetParent called illegally"); return NS_ERROR_NOT_IMPLEMENTED; } NS_ASSERTION(!mTransientParent, "child widget with transient parent"); nsCOMPtr kungFuDeathGrip = this; if (mParent) { mParent->RemoveChild(this); } mParent = aNewParent; GtkWidget* oldContainer = GetMozContainerWidget(); if (!oldContainer) { // The GdkWindows have been destroyed so there is nothing else to // reparent. NS_ABORT_IF_FALSE(gdk_window_is_destroyed(mGdkWindow), "live GdkWindow with no widget"); return NS_OK; } if (aNewParent) { aNewParent->AddChild(this); ReparentNativeWidget(aNewParent); } else { // aNewParent is NULL, but reparent to a hidden window to avoid // destroying the GdkWindow and its descendants. // An invisible container widget is needed to hold descendant // GtkWidgets. GtkWidget* newContainer = EnsureInvisibleContainer(); GdkWindow* newParentWindow = gtk_widget_get_window(newContainer); ReparentNativeWidgetInternal(aNewParent, newContainer, newParentWindow, oldContainer); } return NS_OK; } NS_IMETHODIMP nsWindow::ReparentNativeWidget(nsIWidget* aNewParent) { NS_PRECONDITION(aNewParent, ""); NS_ASSERTION(!mIsDestroyed, ""); NS_ASSERTION(!static_cast(aNewParent)->mIsDestroyed, ""); GtkWidget* oldContainer = GetMozContainerWidget(); if (!oldContainer) { // The GdkWindows have been destroyed so there is nothing else to // reparent. NS_ABORT_IF_FALSE(gdk_window_is_destroyed(mGdkWindow), "live GdkWindow with no widget"); return NS_OK; } NS_ABORT_IF_FALSE(!gdk_window_is_destroyed(mGdkWindow), "destroyed GdkWindow with widget"); nsWindow* newParent = static_cast(aNewParent); GdkWindow* newParentWindow = newParent->mGdkWindow; GtkWidget* newContainer = NULL; if (newParentWindow) { newContainer = get_gtk_widget_for_gdk_window(newParentWindow); } if (mTransientParent) { GtkWindow* topLevelParent = GTK_WINDOW(gtk_widget_get_toplevel(newContainer)); gtk_window_set_transient_for(GTK_WINDOW(mShell), topLevelParent); mTransientParent = topLevelParent; if (mWindowGroup) { g_object_unref(mWindowGroup); mWindowGroup = NULL; } if (gtk_window_get_group(mTransientParent)) { gtk_window_group_add_window(gtk_window_get_group(mTransientParent), GTK_WINDOW(mShell)); mWindowGroup = gtk_window_get_group(mTransientParent); g_object_ref(mWindowGroup); } else if (gtk_window_get_group(GTK_WINDOW(mShell))) { gtk_window_group_remove_window(gtk_window_get_group(GTK_WINDOW(mShell)), GTK_WINDOW(mShell)); } } ReparentNativeWidgetInternal(aNewParent, newContainer, newParentWindow, oldContainer); return NS_OK; } void nsWindow::ReparentNativeWidgetInternal(nsIWidget* aNewParent, GtkWidget* aNewContainer, GdkWindow* aNewParentWindow, GtkWidget* aOldContainer) { if (!aNewContainer) { // The new parent GdkWindow has been destroyed. NS_ABORT_IF_FALSE(!aNewParentWindow || gdk_window_is_destroyed(aNewParentWindow), "live GdkWindow with no widget"); Destroy(); } else { if (aNewContainer != aOldContainer) { NS_ABORT_IF_FALSE(!gdk_window_is_destroyed(aNewParentWindow), "destroyed GdkWindow with widget"); SetWidgetForHierarchy(mGdkWindow, aOldContainer, aNewContainer); if (aOldContainer == gInvisibleContainer) { CheckDestroyInvisibleContainer(); } } if (!mIsTopLevel) { gdk_window_reparent(mGdkWindow, aNewParentWindow, mBounds.x, mBounds.y); } } nsWindow* newParent = static_cast(aNewParent); bool parentHasMappedToplevel = newParent && newParent->mHasMappedToplevel; if (mHasMappedToplevel != parentHasMappedToplevel) { SetHasMappedToplevel(parentHasMappedToplevel); } } NS_IMETHODIMP nsWindow::SetModal(bool aModal) { LOG(("nsWindow::SetModal [%p] %d\n", (void *)this, aModal)); if (mIsDestroyed) return aModal ? NS_ERROR_NOT_AVAILABLE : NS_OK; if (!mIsTopLevel || !mShell) return NS_ERROR_FAILURE; gtk_window_set_modal(GTK_WINDOW(mShell), aModal ? TRUE : FALSE); return NS_OK; } // nsIWidget method, which means IsShown. NS_IMETHODIMP nsWindow::IsVisible(bool& aState) { aState = mIsShown; return NS_OK; } NS_IMETHODIMP nsWindow::ConstrainPosition(bool aAllowSlop, PRInt32 *aX, PRInt32 *aY) { if (mIsTopLevel && mShell) { PRInt32 screenWidth = gdk_screen_width(); PRInt32 screenHeight = gdk_screen_height(); if (aAllowSlop) { if (*aX < (kWindowPositionSlop - mBounds.width)) *aX = kWindowPositionSlop - mBounds.width; if (*aX > (screenWidth - kWindowPositionSlop)) *aX = screenWidth - kWindowPositionSlop; if (*aY < (kWindowPositionSlop - mBounds.height)) *aY = kWindowPositionSlop - mBounds.height; if (*aY > (screenHeight - kWindowPositionSlop)) *aY = screenHeight - kWindowPositionSlop; } else { if (*aX < 0) *aX = 0; if (*aX > (screenWidth - mBounds.width)) *aX = screenWidth - mBounds.width; if (*aY < 0) *aY = 0; if (*aY > (screenHeight - mBounds.height)) *aY = screenHeight - mBounds.height; } } return NS_OK; } NS_IMETHODIMP nsWindow::Show(bool aState) { if (aState == mIsShown) return NS_OK; // Clear our cached resources when the window is hidden. if (mIsShown && !aState) { ClearCachedResources(); } mIsShown = aState; LOG(("nsWindow::Show [%p] state %d\n", (void *)this, aState)); if (aState) { // Now that this window is shown, mHasMappedToplevel needs to be // tracked on viewable descendants. SetHasMappedToplevel(mHasMappedToplevel); } // Ok, someone called show on a window that isn't sized to a sane // value. Mark this window as needing to have Show() called on it // and return. if ((aState && !AreBoundsSane()) || !mCreated) { LOG(("\tbounds are insane or window hasn't been created yet\n")); mNeedsShow = true; return NS_OK; } // If someone is hiding this widget, clear any needing show flag. if (!aState) mNeedsShow = false; // If someone is showing this window and it needs a resize then // resize the widget. if (aState) { if (mNeedsMove) { NativeResize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false); } else if (mNeedsResize) { NativeResize(mBounds.width, mBounds.height, false); } } #ifdef ACCESSIBILITY if (aState && a11y::ShouldA11yBeEnabled()) CreateRootAccessible(); #endif NativeShow(aState); return NS_OK; } NS_IMETHODIMP nsWindow::Resize(PRInt32 aWidth, PRInt32 aHeight, bool aRepaint) { // For top-level windows, aWidth and aHeight should possibly be // interpreted as frame bounds, but NativeResize treats these as window // bounds (Bug 581866). mBounds.SizeTo(GetSafeWindowSize(nsIntSize(aWidth, aHeight))); if (!mCreated) return NS_OK; // There are several cases here that we need to handle, based on a // matrix of the visibility of the widget, the sanity of this resize // and whether or not the widget was previously sane. // Has this widget been set to visible? if (mIsShown) { // Are the bounds sane? if (AreBoundsSane()) { // Yep? Resize the window //Maybe, the toplevel has moved // Note that if the widget needs to be positioned because its // size was previously insane in Resize(x,y,w,h), then we need // to set the x and y here too, because the widget wasn't // moved back then if (mNeedsMove) NativeResize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, aRepaint); else NativeResize(mBounds.width, mBounds.height, aRepaint); // Does it need to be shown because it was previously insane? if (mNeedsShow) NativeShow(true); } else { // If someone has set this so that the needs show flag is false // and it needs to be hidden, update the flag and hide the // window. This flag will be cleared the next time someone // hides the window or shows it. It also prevents us from // calling NativeShow(false) excessively on the window which // causes unneeded X traffic. if (!mNeedsShow) { mNeedsShow = true; NativeShow(false); } } } // If the widget hasn't been shown, mark the widget as needing to be // resized before it is shown. else { if (AreBoundsSane() && mListenForResizes) { // For widgets that we listen for resizes for (widgets created // with native parents) we apparently _always_ have to resize. I // dunno why, but apparently we're lame like that. NativeResize(aWidth, aHeight, aRepaint); } else { mNeedsResize = true; } } // synthesize a resize event if this isn't a toplevel if (mIsTopLevel || mListenForResizes) { nsIntRect rect(mBounds.x, mBounds.y, aWidth, aHeight); nsEventStatus status; DispatchResizeEvent(rect, status); } return NS_OK; } NS_IMETHODIMP nsWindow::Resize(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, bool aRepaint) { mBounds.x = aX; mBounds.y = aY; mBounds.SizeTo(GetSafeWindowSize(nsIntSize(aWidth, aHeight))); mNeedsMove = true; if (!mCreated) return NS_OK; // There are several cases here that we need to handle, based on a // matrix of the visibility of the widget, the sanity of this resize // and whether or not the widget was previously sane. // Has this widget been set to visible? if (mIsShown) { // Are the bounds sane? if (AreBoundsSane()) { // Yep? Resize the window NativeResize(aX, aY, aWidth, aHeight, aRepaint); // Does it need to be shown because it was previously insane? if (mNeedsShow) NativeShow(true); } else { // If someone has set this so that the needs show flag is false // and it needs to be hidden, update the flag and hide the // window. This flag will be cleared the next time someone // hides the window or shows it. It also prevents us from // calling NativeShow(false) excessively on the window which // causes unneeded X traffic. if (!mNeedsShow) { mNeedsShow = true; NativeShow(false); } } } // If the widget hasn't been shown, mark the widget as needing to be // resized before it is shown else { if (AreBoundsSane() && mListenForResizes){ // For widgets that we listen for resizes for (widgets created // with native parents) we apparently _always_ have to resize. I // dunno why, but apparently we're lame like that. NativeResize(aX, aY, aWidth, aHeight, aRepaint); } else { mNeedsResize = true; } } if (mIsTopLevel || mListenForResizes) { // synthesize a resize event nsIntRect rect(aX, aY, aWidth, aHeight); nsEventStatus status; DispatchResizeEvent(rect, status); } return NS_OK; } NS_IMETHODIMP nsWindow::Enable(bool aState) { mEnabled = aState; return NS_OK; } NS_IMETHODIMP nsWindow::IsEnabled(bool *aState) { *aState = mEnabled; return NS_OK; } NS_IMETHODIMP nsWindow::Move(PRInt32 aX, PRInt32 aY) { LOG(("nsWindow::Move [%p] %d %d\n", (void *)this, aX, aY)); if (mWindowType == eWindowType_toplevel || mWindowType == eWindowType_dialog) { SetSizeMode(nsSizeMode_Normal); } // Since a popup window's x/y coordinates are in relation to to // the parent, the parent might have moved so we always move a // popup window. if (aX == mBounds.x && aY == mBounds.y && mWindowType != eWindowType_popup) return NS_OK; // XXX Should we do some AreBoundsSane check here? mBounds.x = aX; mBounds.y = aY; if (!mCreated) return NS_OK; mNeedsMove = false; if (mIsTopLevel) { gtk_window_move(GTK_WINDOW(mShell), aX, aY); } else if (mGdkWindow) { gdk_window_move(mGdkWindow, aX, aY); } return NS_OK; } NS_IMETHODIMP nsWindow::PlaceBehind(nsTopLevelWidgetZPlacement aPlacement, nsIWidget *aWidget, bool aActivate) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsWindow::SetZIndex(PRInt32 aZIndex) { nsIWidget* oldPrev = GetPrevSibling(); nsBaseWidget::SetZIndex(aZIndex); if (GetPrevSibling() == oldPrev) { return NS_OK; } NS_ASSERTION(!mContainer, "Expected Mozilla child widget"); // We skip the nsWindows that don't have mGdkWindows. // These are probably in the process of being destroyed. if (!GetNextSibling()) { // We're to be on top. if (mGdkWindow) gdk_window_raise(mGdkWindow); } else { // All the siblings before us need to be below our widget. for (nsWindow* w = this; w; w = static_cast(w->GetPrevSibling())) { if (w->mGdkWindow) gdk_window_lower(w->mGdkWindow); } } return NS_OK; } NS_IMETHODIMP nsWindow::SetSizeMode(PRInt32 aMode) { nsresult rv; LOG(("nsWindow::SetSizeMode [%p] %d\n", (void *)this, aMode)); // Save the requested state. rv = nsBaseWidget::SetSizeMode(aMode); // return if there's no shell or our current state is the same as // the mode we were just set to. if (!mShell || mSizeState == mSizeMode) { return rv; } switch (aMode) { case nsSizeMode_Maximized: gtk_window_maximize(GTK_WINDOW(mShell)); break; case nsSizeMode_Minimized: gtk_window_iconify(GTK_WINDOW(mShell)); break; case nsSizeMode_Fullscreen: MakeFullScreen(true); break; default: // nsSizeMode_Normal, really. if (mSizeState == nsSizeMode_Minimized) gtk_window_deiconify(GTK_WINDOW(mShell)); else if (mSizeState == nsSizeMode_Maximized) gtk_window_unmaximize(GTK_WINDOW(mShell)); break; } mSizeState = mSizeMode; return rv; } typedef void (* SetUserTimeFunc)(GdkWindow* aWindow, guint32 aTimestamp); // This will become obsolete when new GTK APIs are widely supported, // as described here: http://bugzilla.gnome.org/show_bug.cgi?id=347375 static void SetUserTimeAndStartupIDForActivatedWindow(GtkWidget* aWindow) { nsGTKToolkit* GTKToolkit = nsGTKToolkit::GetToolkit(); if (!GTKToolkit) return; nsCAutoString desktopStartupID; GTKToolkit->GetDesktopStartupID(&desktopStartupID); if (desktopStartupID.IsEmpty()) { // We don't have the data we need. Fall back to an // approximation ... using the timestamp of the remote command // being received as a guess for the timestamp of the user event // that triggered it. PRUint32 timestamp = GTKToolkit->GetFocusTimestamp(); if (timestamp) { gdk_window_focus(gtk_widget_get_window(aWindow), timestamp); GTKToolkit->SetFocusTimestamp(0); } return; } #if defined(MOZ_ENABLE_STARTUP_NOTIFICATION) GdkWindow* gdkWindow = gtk_widget_get_window(aWindow); GdkScreen* screen = gdk_window_get_screen(gdkWindow); SnDisplay* snd = sn_display_new(gdk_x11_display_get_xdisplay(gdk_window_get_display(gdkWindow)), nsnull, nsnull); if (!snd) return; SnLauncheeContext* ctx = sn_launchee_context_new(snd, gdk_screen_get_number(screen), desktopStartupID.get()); if (!ctx) { sn_display_unref(snd); return; } if (sn_launchee_context_get_id_has_timestamp(ctx)) { PRLibrary* gtkLibrary; SetUserTimeFunc setUserTimeFunc = (SetUserTimeFunc) PR_FindFunctionSymbolAndLibrary("gdk_x11_window_set_user_time", >kLibrary); if (setUserTimeFunc) { setUserTimeFunc(gdkWindow, sn_launchee_context_get_timestamp(ctx)); PR_UnloadLibrary(gtkLibrary); } } sn_launchee_context_setup_window(ctx, gdk_x11_window_get_xid(gdkWindow)); sn_launchee_context_complete(ctx); sn_launchee_context_unref(ctx); sn_display_unref(snd); #endif // If we used the startup ID, that already contains the focus timestamp; // we don't want to reuse the timestamp next time we raise the window GTKToolkit->SetFocusTimestamp(0); GTKToolkit->SetDesktopStartupID(EmptyCString()); } /* static */ guint32 nsWindow::GetLastUserInputTime() { // gdk_x11_display_get_user_time tracks button and key presses, // DESKTOP_STARTUP_ID used to start the app, drop events from external // drags, WM_DELETE_WINDOW delete events, but not usually mouse motion nor // button and key releases. Therefore use the most recent of // gdk_x11_display_get_user_time and the last time that we have seen. guint32 timestamp = gdk_x11_display_get_user_time(gdk_display_get_default()); if (sLastUserInputTime != GDK_CURRENT_TIME && TimestampIsNewerThan(sLastUserInputTime, timestamp)) { return sLastUserInputTime; } return timestamp; } NS_IMETHODIMP nsWindow::SetFocus(bool aRaise) { // Make sure that our owning widget has focus. If it doesn't try to // grab it. Note that we don't set our focus flag in this case. LOGFOCUS((" SetFocus %d [%p]\n", aRaise, (void *)this)); GtkWidget *owningWidget = GetMozContainerWidget(); if (!owningWidget) return NS_ERROR_FAILURE; // Raise the window if someone passed in true and the prefs are // set properly. GtkWidget *toplevelWidget = gtk_widget_get_toplevel(owningWidget); if (gRaiseWindows && aRaise && toplevelWidget && !gtk_widget_has_focus(owningWidget) && !gtk_widget_has_focus(toplevelWidget)) { GtkWidget* top_window = nsnull; GetToplevelWidget(&top_window); if (top_window && (gtk_widget_get_visible(top_window))) { gdk_window_show_unraised(gtk_widget_get_window(top_window)); // Unset the urgency hint if possible. SetUrgencyHint(top_window, false); } } nsRefPtr owningWindow = get_window_for_gtk_widget(owningWidget); if (!owningWindow) return NS_ERROR_FAILURE; if (aRaise) { // aRaise == true means request toplevel activation. // This is asynchronous. // If and when the window manager accepts the request, then the focus // widget will get a focus-in-event signal. if (gRaiseWindows && owningWindow->mIsShown && owningWindow->mShell && !gtk_window_is_active(GTK_WINDOW(owningWindow->mShell))) { PRUint32 timestamp = GDK_CURRENT_TIME; nsGTKToolkit* GTKToolkit = nsGTKToolkit::GetToolkit(); if (GTKToolkit) timestamp = GTKToolkit->GetFocusTimestamp(); LOGFOCUS((" requesting toplevel activation [%p]\n", (void *)this)); NS_ASSERTION(owningWindow->mWindowType != eWindowType_popup || mParent, "Presenting an override-redirect window"); gtk_window_present_with_time(GTK_WINDOW(owningWindow->mShell), timestamp); if (GTKToolkit) GTKToolkit->SetFocusTimestamp(0); } return NS_OK; } // aRaise == false means that keyboard events should be dispatched // from this widget. // Ensure owningWidget is the focused GtkWidget within its toplevel window. // // For eWindowType_popup, this GtkWidget may not actually be the one that // receives the key events as it may be the parent window that is active. if (!gtk_widget_is_focus(owningWidget)) { // This is synchronous. It takes focus from a plugin or from a widget // in an embedder. The focus manager already knows that this window // is active so gBlockActivateEvent avoids another (unnecessary) // NS_ACTIVATE event. gBlockActivateEvent = true; gtk_widget_grab_focus(owningWidget); gBlockActivateEvent = false; } // If this is the widget that already has focus, return. if (gFocusWindow == this) { LOGFOCUS((" already have focus [%p]\n", (void *)this)); return NS_OK; } // Set this window to be the focused child window gFocusWindow = this; if (mIMModule) { mIMModule->OnFocusWindow(this); } LOGFOCUS((" widget now has focus in SetFocus() [%p]\n", (void *)this)); return NS_OK; } NS_IMETHODIMP nsWindow::GetScreenBounds(nsIntRect &aRect) { if (mIsTopLevel && mContainer) { // use the point including window decorations gint x, y; gdk_window_get_root_origin(gtk_widget_get_window(GTK_WIDGET(mContainer)), &x, &y); aRect.MoveTo(x, y); } else { aRect.MoveTo(WidgetToScreenOffset()); } // mBounds.Size() is the window bounds, not the window-manager frame // bounds (bug 581863). gdk_window_get_frame_extents would give the // frame bounds, but mBounds.Size() is returned here for consistency // with Resize. aRect.SizeTo(mBounds.Size()); LOG(("GetScreenBounds %d,%d | %dx%d\n", aRect.x, aRect.y, aRect.width, aRect.height)); return NS_OK; } NS_IMETHODIMP nsWindow::GetClientBounds(nsIntRect &aRect) { // GetBounds returns a rect whose top left represents the top left of the // outer bounds, but whose width/height represent the size of the inner // bounds (which is messed up). GetBounds(aRect); aRect.MoveBy(GetClientOffset()); return NS_OK; } nsIntPoint nsWindow::GetClientOffset() { if (!mIsTopLevel) { return nsIntPoint(0, 0); } GdkAtom cardinal_atom = gdk_x11_xatom_to_atom(XA_CARDINAL); GdkAtom type_returned; int format_returned; int length_returned; long *frame_extents; if (!mShell || !mShell->window || !gdk_property_get(mShell->window, gdk_atom_intern ("_NET_FRAME_EXTENTS", FALSE), cardinal_atom, 0, // offset 4*4, // length FALSE, // delete &type_returned, &format_returned, &length_returned, (guchar **) &frame_extents) || length_returned/sizeof(glong) != 4) { return nsIntPoint(0, 0); } // data returned is in the order left, right, top, bottom PRInt32 left = PRInt32(frame_extents[0]); PRInt32 top = PRInt32(frame_extents[2]); g_free(frame_extents); return nsIntPoint(left, top); } NS_IMETHODIMP nsWindow::SetForegroundColor(const nscolor &aColor) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsWindow::SetBackgroundColor(const nscolor &aColor) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsWindow::SetCursor(nsCursor aCursor) { // if we're not the toplevel window pass up the cursor request to // the toplevel window to handle it. if (!mContainer && mGdkWindow) { nsWindow *window = GetContainerWindow(); if (!window) return NS_ERROR_FAILURE; return window->SetCursor(aCursor); } // Only change cursor if it's actually been changed if (aCursor != mCursor) { GdkCursor *newCursor = NULL; newCursor = get_gtk_cursor(aCursor); if (nsnull != newCursor) { mCursor = aCursor; if (!mContainer) return NS_OK; gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)), newCursor); } } return NS_OK; } NS_IMETHODIMP nsWindow::SetCursor(imgIContainer* aCursor, PRUint32 aHotspotX, PRUint32 aHotspotY) { // if we're not the toplevel window pass up the cursor request to // the toplevel window to handle it. if (!mContainer && mGdkWindow) { nsWindow *window = GetContainerWindow(); if (!window) return NS_ERROR_FAILURE; return window->SetCursor(aCursor, aHotspotX, aHotspotY); } mCursor = nsCursor(-1); // Get the image's current frame GdkPixbuf* pixbuf = nsImageToPixbuf::ImageToPixbuf(aCursor); if (!pixbuf) return NS_ERROR_NOT_AVAILABLE; int width = gdk_pixbuf_get_width(pixbuf); int height = gdk_pixbuf_get_height(pixbuf); // Reject cursors greater than 128 pixels in some 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) { g_object_unref(pixbuf); return NS_ERROR_NOT_AVAILABLE; } // Looks like all cursors need an alpha channel (tested on Gtk 2.4.4). This // is of course not documented anywhere... // So add one if there isn't one yet if (!gdk_pixbuf_get_has_alpha(pixbuf)) { GdkPixbuf* alphaBuf = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0); g_object_unref(pixbuf); if (!alphaBuf) { return NS_ERROR_OUT_OF_MEMORY; } pixbuf = alphaBuf; } GdkCursor* cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf, aHotspotX, aHotspotY); g_object_unref(pixbuf); nsresult rv = NS_ERROR_OUT_OF_MEMORY; if (cursor) { if (mContainer) { gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)), cursor); rv = NS_OK; } gdk_cursor_unref(cursor); } return rv; } NS_IMETHODIMP nsWindow::Invalidate(const nsIntRect &aRect) { if (!mGdkWindow) return NS_OK; GdkRectangle rect; rect.x = aRect.x; rect.y = aRect.y; rect.width = aRect.width; rect.height = aRect.height; LOGDRAW(("Invalidate (rect) [%p]: %d %d %d %d\n", (void *)this, rect.x, rect.y, rect.width, rect.height)); gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE); return NS_OK; } void* nsWindow::GetNativeData(PRUint32 aDataType) { switch (aDataType) { case NS_NATIVE_WINDOW: case NS_NATIVE_WIDGET: { if (!mGdkWindow) return nsnull; return mGdkWindow; break; } case NS_NATIVE_PLUGIN_PORT: return SetupPluginPort(); break; case NS_NATIVE_DISPLAY: #ifdef MOZ_X11 return GDK_DISPLAY_XDISPLAY(gdk_display_get_default()); #else return nsnull; #endif /* MOZ_X11 */ break; case NS_NATIVE_GRAPHIC: { #if defined(MOZ_WIDGET_GTK2) nsGTKToolkit* toolkit = nsGTKToolkit::GetToolkit(); NS_ASSERTION(nsnull != toolkit, "NULL toolkit, unable to get a GC"); return toolkit->GetSharedGC(); #else return nsnull; #endif break; } case NS_NATIVE_SHELLWIDGET: return (void *) mShell; case NS_NATIVE_SHAREABLE_WINDOW: return (void *) GDK_WINDOW_XID(gdk_window_get_toplevel(mGdkWindow)); default: NS_WARNING("nsWindow::GetNativeData called with bad value"); return nsnull; } } NS_IMETHODIMP nsWindow::SetTitle(const nsAString& aTitle) { if (!mShell) return NS_OK; // convert the string into utf8 and set the title. #define UTF8_FOLLOWBYTE(ch) (((ch) & 0xC0) == 0x80) NS_ConvertUTF16toUTF8 titleUTF8(aTitle); if (titleUTF8.Length() > NS_WINDOW_TITLE_MAX_LENGTH) { // Truncate overlong titles (bug 167315). Make sure we chop after a // complete sequence by making sure the next char isn't a follow-byte. PRUint32 len = NS_WINDOW_TITLE_MAX_LENGTH; while(UTF8_FOLLOWBYTE(titleUTF8[len])) --len; titleUTF8.Truncate(len); } gtk_window_set_title(GTK_WINDOW(mShell), (const char *)titleUTF8.get()); return NS_OK; } NS_IMETHODIMP nsWindow::SetIcon(const nsAString& aIconSpec) { if (!mShell) return NS_OK; nsCAutoString iconName; if (aIconSpec.EqualsLiteral("default")) { nsXPIDLString brandName; GetBrandName(brandName); AppendUTF16toUTF8(brandName, iconName); ToLowerCase(iconName); } else { AppendUTF16toUTF8(aIconSpec, iconName); } nsCOMPtr iconFile; nsCAutoString path; gint *iconSizes = gtk_icon_theme_get_icon_sizes(gtk_icon_theme_get_default(), iconName.get()); bool foundIcon = (iconSizes[0] != 0); g_free(iconSizes); if (!foundIcon) { // Look for icons with the following suffixes appended to the base name // The last two entries (for the old XPM format) will be ignored unless // no icons are found using other suffixes. XPM icons are deprecated. const char extensions[6][7] = { ".png", "16.png", "32.png", "48.png", ".xpm", "16.xpm" }; for (PRUint32 i = 0; i < ArrayLength(extensions); i++) { // Don't bother looking for XPM versions if we found a PNG. if (i == ArrayLength(extensions) - 2 && foundIcon) break; nsAutoString extension; extension.AppendASCII(extensions[i]); ResolveIconName(aIconSpec, extension, getter_AddRefs(iconFile)); if (iconFile) { iconFile->GetNativePath(path); GdkPixbuf *icon = gdk_pixbuf_new_from_file(path.get(), NULL); if (icon){ gtk_icon_theme_add_builtin_icon(iconName.get(), gdk_pixbuf_get_height(icon), icon); g_object_unref(icon); foundIcon = true; } } } } // leave the default icon intact if no matching icons were found if (foundIcon) { gtk_window_set_icon_name(GTK_WINDOW(mShell), iconName.get()); } return NS_OK; } nsIntPoint nsWindow::WidgetToScreenOffset() { gint x = 0, y = 0; if (mGdkWindow) { gdk_window_get_origin(mGdkWindow, &x, &y); } return nsIntPoint(x, y); } NS_IMETHODIMP nsWindow::EnableDragDrop(bool aEnable) { return NS_OK; } NS_IMETHODIMP nsWindow::CaptureMouse(bool aCapture) { LOG(("CaptureMouse %p\n", (void *)this)); if (!mGdkWindow) return NS_OK; GtkWidget *widget = GetMozContainerWidget(); if (!widget) return NS_ERROR_FAILURE; if (aCapture) { gtk_grab_add(widget); GrabPointer(GetLastUserInputTime()); } else { ReleaseGrabs(); gtk_grab_remove(widget); } return NS_OK; } NS_IMETHODIMP nsWindow::CaptureRollupEvents(nsIRollupListener *aListener, bool aDoCapture, bool aConsumeRollupEvent) { if (!mGdkWindow) return NS_OK; GtkWidget *widget = GetMozContainerWidget(); if (!widget) return NS_ERROR_FAILURE; LOG(("CaptureRollupEvents %p\n", (void *)this)); if (aDoCapture) { gConsumeRollupEvent = aConsumeRollupEvent; gRollupListener = aListener; gRollupWindow = do_GetWeakReference(static_cast (this)); // real grab is only done when there is no dragging if (!nsWindow::DragInProgress()) { gtk_grab_add(widget); GrabPointer(GetLastUserInputTime()); } } else { if (!nsWindow::DragInProgress()) { ReleaseGrabs(); } // There may not have been a drag in process when aDoCapture was set, // so make sure to remove any added grab. This is a no-op if the grab // was not added to this widget. gtk_grab_remove(widget); gRollupListener = nsnull; gRollupWindow = nsnull; } return NS_OK; } NS_IMETHODIMP nsWindow::GetAttention(PRInt32 aCycleCount) { LOG(("nsWindow::GetAttention [%p]\n", (void *)this)); GtkWidget* top_window = nsnull; GtkWidget* top_focused_window = nsnull; GetToplevelWidget(&top_window); if (gFocusWindow) gFocusWindow->GetToplevelWidget(&top_focused_window); // Don't get attention if the window is focused anyway. if (top_window && (gtk_widget_get_visible(top_window)) && top_window != top_focused_window) { SetUrgencyHint(top_window, true); } return NS_OK; } bool nsWindow::HasPendingInputEvent() { // This sucks, but gtk/gdk has no way to answer the question we want while // excluding paint events, and there's no X API that will let us peek // without blocking or removing. To prevent event reordering, peek // anything except expose events. Reordering expose and others should be // ok, hopefully. bool haveEvent; #ifdef MOZ_X11 XEvent ev; Display *display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default()); haveEvent = XCheckMaskEvent(display, KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask | PointerMotionHintMask | Button1MotionMask | Button2MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask | ButtonMotionMask | KeymapStateMask | VisibilityChangeMask | StructureNotifyMask | ResizeRedirectMask | SubstructureNotifyMask | SubstructureRedirectMask | FocusChangeMask | PropertyChangeMask | ColormapChangeMask | OwnerGrabButtonMask, &ev); if (haveEvent) { XPutBackEvent(display, &ev); } #else haveEvent = false; #endif return haveEvent; } #if 0 #ifdef DEBUG // Paint flashing code (disabled for cairo - see below) #define CAPS_LOCK_IS_ON \ (KeymapWrapper::AreModifiersCurrentlyActive(KeymapWrapper::CAPS_LOCK)) #define WANT_PAINT_FLASHING \ (debug_WantPaintFlashing() && CAPS_LOCK_IS_ON) #ifdef MOZ_X11 static void gdk_window_flash(GdkWindow * aGdkWindow, unsigned int aTimes, unsigned int aInterval, // Milliseconds GdkRegion * aRegion) { gint x; gint y; gint width; gint height; guint i; GdkGC * gc = 0; GdkColor white; #if defined(MOZ_WIDGET_GTK2) gdk_window_get_geometry(aGdkWindow,NULL,NULL,&width,&height,NULL); #else gdk_window_get_geometry(aGdkWindow,NULL,NULL,&width,&height); #endif gdk_window_get_origin (aGdkWindow, &x, &y); gc = gdk_gc_new(GDK_ROOT_PARENT()); white.pixel = WhitePixel(gdk_display,DefaultScreen(gdk_display)); gdk_gc_set_foreground(gc,&white); gdk_gc_set_function(gc,GDK_XOR); gdk_gc_set_subwindow(gc,GDK_INCLUDE_INFERIORS); gdk_region_offset(aRegion, x, y); gdk_gc_set_clip_region(gc, aRegion); /* * Need to do this twice so that the XOR effect can replace * the original window contents. */ for (i = 0; i < aTimes * 2; i++) { gdk_draw_rectangle(GDK_ROOT_PARENT(), gc, TRUE, x, y, width, height); gdk_flush(); PR_Sleep(PR_MillisecondsToInterval(aInterval)); } gdk_gc_destroy(gc); gdk_region_offset(aRegion, -x, -y); } #endif /* MOZ_X11 */ #endif // DEBUG #endif static void DispatchDidPaint(nsIWidget* aWidget) { nsEventStatus status; nsPaintEvent didPaintEvent(true, NS_DID_PAINT, aWidget); aWidget->DispatchEvent(&didPaintEvent, status); } #if defined(MOZ_WIDGET_GTK2) gboolean nsWindow::OnExposeEvent(GdkEventExpose *aEvent) #else gboolean nsWindow::OnExposeEvent(cairo_t *cr) #endif { if (mIsDestroyed) { return FALSE; } // Windows that are not visible will be painted after they become visible. if (!mGdkWindow || mIsFullyObscured || !mHasMappedToplevel) return FALSE; // Dispatch WILL_PAINT to allow scripts etc. to run before we // dispatch PAINT { nsEventStatus status; nsPaintEvent willPaintEvent(true, NS_WILL_PAINT, this); willPaintEvent.willSendDidPaint = true; DispatchEvent(&willPaintEvent, status); // If the window has been destroyed during WILL_PAINT, there is // nothing left to do. if (!mGdkWindow) return TRUE; } nsPaintEvent event(true, NS_PAINT, this); event.willSendDidPaint = true; #if defined(MOZ_WIDGET_GTK2) GdkRectangle *rects; gint nrects; gdk_region_get_rectangles(aEvent->region, &rects, &nrects); if (NS_UNLIKELY(!rects)) // OOM return FALSE; #else #ifdef cairo_copy_clip_rectangle_list #error "Looks like we're including Mozilla's cairo instead of system cairo" #else cairo_rectangle_list_t *rects; rects = cairo_copy_clip_rectangle_list(cr); if (NS_UNLIKELY(rects->status != CAIRO_STATUS_SUCCESS)) { NS_WARNING("Failed to obtain cairo rectangle list."); return FALSE; } #endif #endif // GTK3 TODO? #if defined(MOZ_WIDGET_GTK2) if (nrects > MAX_RECTS_IN_REGION) { // Just use the bounding box rects[0] = aEvent->area; nrects = 1; } #endif LOGDRAW(("sending expose event [%p] %p 0x%lx (rects follow):\n", (void *)this, (void *)mGdkWindow, gdk_x11_window_get_xid(mGdkWindow))); #if defined(MOZ_WIDGET_GTK2) GdkRectangle *r = rects; GdkRectangle *r_end = rects + nrects; #else cairo_rectangle_t *r = rects->rectangles; cairo_rectangle_t *r_end = r + rects->num_rectangles; #endif for (; r < r_end; ++r) { event.region.Or(event.region, nsIntRect(r->x, r->y, r->width, r->height)); LOGDRAW(("\t%d %d %d %d\n", r->x, r->y, r->width, r->height)); } // Our bounds may have changed after dispatching WILL_PAINT. Clip // to the new bounds here. The event region is relative to this // window. event.region.And(event.region, nsIntRect(0, 0, mBounds.width, mBounds.height)); bool translucent = eTransparencyTransparent == GetTransparencyMode(); if (!translucent) { GList *children = gdk_window_peek_children(mGdkWindow); while (children) { GdkWindow *gdkWin = GDK_WINDOW(children->data); nsWindow *kid = get_window_for_gdk_window(gdkWin); if (kid && gdk_window_is_visible(gdkWin)) { nsAutoTArray clipRects; kid->GetWindowClipRegion(&clipRects); nsIntRect bounds; kid->GetBounds(bounds); for (PRUint32 i = 0; i < clipRects.Length(); ++i) { nsIntRect r = clipRects[i] + bounds.TopLeft(); event.region.Sub(event.region, r); } } children = children->next; } } if (event.region.IsEmpty()) { #if defined(MOZ_WIDGET_GTK2) g_free(rects); #else cairo_rectangle_list_destroy(rects); #endif return TRUE; } if (GetLayerManager()->GetBackendType() == LayerManager::LAYERS_OPENGL) { LayerManagerOGL *manager = static_cast(GetLayerManager()); manager->SetClippingRegion(event.region); nsEventStatus status; DispatchEvent(&event, status); g_free(rects); DispatchDidPaint(this); return TRUE; } #if defined(MOZ_WIDGET_GTK2) nsRefPtr ctx = new gfxContext(GetThebesSurface()); #else nsRefPtr ctx = new gfxContext(GetThebesSurface(cr)); #endif #ifdef MOZ_X11 nsIntRect boundsRect; // for translucent only ctx->NewPath(); if (translucent) { // Collapse update area to the bounding box. This is so we only have to // call UpdateTranslucentWindowAlpha once. After we have dropped // support for non-Thebes graphics, UpdateTranslucentWindowAlpha will be // our private interface so we can rework things to avoid this. boundsRect = event.region.GetBounds(); ctx->Rectangle(gfxRect(boundsRect.x, boundsRect.y, boundsRect.width, boundsRect.height)); } else { gfxUtils::PathFromRegion(ctx, event.region); } ctx->Clip(); BasicLayerManager::BufferMode layerBuffering; if (translucent) { // The double buffering is done here to extract the shape mask. // (The shape mask won't be necessary when a visual with an alpha // channel is used on compositing window managers.) layerBuffering = BasicLayerManager::BUFFER_NONE; ctx->PushGroup(gfxASurface::CONTENT_COLOR_ALPHA); #ifdef MOZ_HAVE_SHMIMAGE } else if (nsShmImage::UseShm()) { // We're using an xshm mapping as a back buffer. layerBuffering = BasicLayerManager::BUFFER_NONE; #endif // MOZ_HAVE_SHMIMAGE } else { // Get the layer manager to do double buffering (if necessary). layerBuffering = BasicLayerManager::BUFFER_BUFFERED; } #if 0 // NOTE: Paint flashing region would be wrong for cairo, since // cairo inflates the update region, etc. So don't paint flash // for cairo. #ifdef DEBUG // XXX aEvent->region may refer to a newly-invalid area. FIXME if (0 && WANT_PAINT_FLASHING && gtk_widget_get_window(aEvent)) gdk_window_flash(mGdkWindow, 1, 100, aEvent->region); #endif #endif #endif // MOZ_X11 nsEventStatus status; { AutoLayerManagerSetup setupLayerManager(this, ctx, layerBuffering); DispatchEvent(&event, status); } #ifdef MOZ_X11 // DispatchEvent can Destroy us (bug 378273), avoid doing any paint // operations below if that happened - it will lead to XError and exit(). if (translucent) { if (NS_LIKELY(!mIsDestroyed)) { if (status != nsEventStatus_eIgnore) { nsRefPtr pattern = ctx->PopGroup(); nsRefPtr img = new gfxImageSurface(gfxIntSize(boundsRect.width, boundsRect.height), gfxImageSurface::ImageFormatA8); if (img && !img->CairoStatus()) { img->SetDeviceOffset(gfxPoint(-boundsRect.x, -boundsRect.y)); nsRefPtr imgCtx = new gfxContext(img); if (imgCtx) { imgCtx->SetPattern(pattern); imgCtx->SetOperator(gfxContext::OPERATOR_SOURCE); imgCtx->Paint(); } UpdateTranslucentWindowAlphaInternal(nsIntRect(boundsRect.x, boundsRect.y, boundsRect.width, boundsRect.height), img->Data(), img->Stride()); } ctx->SetOperator(gfxContext::OPERATOR_SOURCE); ctx->SetPattern(pattern); ctx->Paint(); } } } # ifdef MOZ_HAVE_SHMIMAGE if (nsShmImage::UseShm() && NS_LIKELY(!mIsDestroyed)) { #if defined(MOZ_WIDGET_GTK2) mShmImage->Put(mGdkWindow, rects, r_end); #else mShmImage->Put(mGdkWindow, rects); #endif } # endif // MOZ_HAVE_SHMIMAGE #endif // MOZ_X11 #if defined(MOZ_WIDGET_GTK2) g_free(rects); #else cairo_rectangle_list_destroy(rects); #endif DispatchDidPaint(this); // Synchronously flush any new dirty areas #if defined(MOZ_WIDGET_GTK2) GdkRegion* dirtyArea = gdk_window_get_update_area(mGdkWindow); #else cairo_region_t* dirtyArea = gdk_window_get_update_area(mGdkWindow); #endif if (dirtyArea) { gdk_window_invalidate_region(mGdkWindow, dirtyArea, false); #if defined(MOZ_WIDGET_GTK2) gdk_region_destroy(dirtyArea); #else cairo_region_destroy(dirtyArea); #endif gdk_window_process_updates(mGdkWindow, false); } // check the return value! return TRUE; } gboolean nsWindow::OnConfigureEvent(GtkWidget *aWidget, GdkEventConfigure *aEvent) { // These events are only received on toplevel windows. // // GDK ensures that the coordinates are the client window top-left wrt the // root window. // // GDK calculates the cordinates for real ConfigureNotify events on // managed windows (that would normally be relative to the parent // window). // // Synthetic ConfigureNotify events are from the window manager and // already relative to the root window. GDK creates all X windows with // border_width = 0, so synthetic events also indicate the top-left of // the client window. // // Override-redirect windows are children of the root window so parent // coordinates are root coordinates. LOG(("configure event [%p] %d %d %d %d\n", (void *)this, aEvent->x, aEvent->y, aEvent->width, aEvent->height)); nsIntRect screenBounds; GetScreenBounds(screenBounds); if (mWindowType == eWindowType_toplevel || mWindowType == eWindowType_dialog) { // This check avoids unwanted rollup on spurious configure events from // Cygwin/X (bug 672103). if (mBounds.x != screenBounds.x || mBounds.y != screenBounds.y) { check_for_rollup(0, 0, false, true); } } // This event indicates that the window position may have changed. // mBounds.Size() is updated in OnSizeAllocate(). // (The gtk_window_get_window_type() function is only available from // version 2.20.) NS_ASSERTION(GTK_IS_WINDOW(aWidget), "Configure event on widget that is not a GtkWindow"); gint type; g_object_get(aWidget, "type", &type, NULL); if (type == GTK_WINDOW_POPUP) { // Override-redirect window // // These windows should not be moved by the window manager, and so any // change in position is a result of our direction. mBounds has // already been set in Move() or Resize(), and that is more // up-to-date than the position in the ConfigureNotify event if the // event is from an earlier window move. // // Skipping the NS_MOVE dispatch saves context menus from an infinite // loop when nsXULPopupManager::PopupMoved moves the window to the new // position and nsMenuPopupFrame::SetPopupPosition adds // offsetForContextMenu on each iteration. return FALSE; } mBounds.MoveTo(screenBounds.TopLeft()); nsGUIEvent event(true, NS_MOVE, this); event.refPoint = mBounds.TopLeft(); // XXX mozilla will invalidate the entire window after this move // complete. wtf? nsEventStatus status; DispatchEvent(&event, status); return FALSE; } void nsWindow::OnContainerUnrealize(GtkWidget *aWidget) { // The GdkWindows are about to be destroyed (but not deleted), so remove // their references back to their container widget while the GdkWindow // hierarchy is still available. NS_ASSERTION(mContainer == MOZ_CONTAINER(aWidget), "unexpected \"unrealize\" signal"); if (mGdkWindow) { DestroyChildWindows(); g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", NULL); mGdkWindow = NULL; } } void nsWindow::OnSizeAllocate(GtkWidget *aWidget, GtkAllocation *aAllocation) { LOG(("size_allocate [%p] %d %d %d %d\n", (void *)this, aAllocation->x, aAllocation->y, aAllocation->width, aAllocation->height)); nsIntRect rect(aAllocation->x, aAllocation->y, aAllocation->width, aAllocation->height); ResizeTransparencyBitmap(rect.width, rect.height); mBounds.width = rect.width; mBounds.height = rect.height; if (!mGdkWindow) return; if (mTransparencyBitmap) { ApplyTransparencyBitmap(); } nsEventStatus status; DispatchResizeEvent (rect, status); } void nsWindow::OnDeleteEvent(GtkWidget *aWidget, GdkEventAny *aEvent) { nsGUIEvent event(true, NS_XUL_CLOSE, this); event.refPoint.x = 0; event.refPoint.y = 0; nsEventStatus status; DispatchEvent(&event, status); } void nsWindow::OnEnterNotifyEvent(GtkWidget *aWidget, GdkEventCrossing *aEvent) { // This skips NotifyVirtual and NotifyNonlinearVirtual enter notify events // when the pointer enters a child window. If the destination window is a // Gecko window then we'll catch the corresponding event on that window, // but we won't notice when the pointer directly enters a foreign (plugin) // child window without passing over a visible portion of a Gecko window. if (aEvent->subwindow != NULL) return; // Check before is_parent_ungrab_enter() as the button state may have // changed while a non-Gecko ancestor window had a pointer grab. DispatchMissedButtonReleases(aEvent); if (is_parent_ungrab_enter(aEvent)) return; nsMouseEvent event(true, NS_MOUSE_ENTER, this, nsMouseEvent::eReal); event.refPoint.x = nscoord(aEvent->x); event.refPoint.y = nscoord(aEvent->y); event.time = aEvent->time; LOG(("OnEnterNotify: %p\n", (void *)this)); nsEventStatus status; DispatchEvent(&event, status); } // XXX Is this the right test for embedding cases? static bool is_top_level_mouse_exit(GdkWindow* aWindow, GdkEventCrossing *aEvent) { gint x = gint(aEvent->x_root); gint y = gint(aEvent->y_root); GdkDisplay* display = gdk_window_get_display(aWindow); GdkWindow* winAtPt = gdk_display_get_window_at_pointer(display, &x, &y); if (!winAtPt) return true; GdkWindow* topLevelAtPt = gdk_window_get_toplevel(winAtPt); GdkWindow* topLevelWidget = gdk_window_get_toplevel(aWindow); return topLevelAtPt != topLevelWidget; } void nsWindow::OnLeaveNotifyEvent(GtkWidget *aWidget, GdkEventCrossing *aEvent) { // This ignores NotifyVirtual and NotifyNonlinearVirtual leave notify // events when the pointer leaves a child window. If the destination // window is a Gecko window then we'll catch the corresponding event on // that window. // // XXXkt However, we will miss toplevel exits when the pointer directly // leaves a foreign (plugin) child window without passing over a visible // portion of a Gecko window. if (aEvent->subwindow != NULL) return; nsMouseEvent event(true, NS_MOUSE_EXIT, this, nsMouseEvent::eReal); event.refPoint.x = nscoord(aEvent->x); event.refPoint.y = nscoord(aEvent->y); event.time = aEvent->time; event.exit = is_top_level_mouse_exit(mGdkWindow, aEvent) ? nsMouseEvent::eTopLevel : nsMouseEvent::eChild; LOG(("OnLeaveNotify: %p\n", (void *)this)); nsEventStatus status; DispatchEvent(&event, status); } void nsWindow::OnMotionNotifyEvent(GtkWidget *aWidget, GdkEventMotion *aEvent) { // when we receive this, it must be that the gtk dragging is over, // it is dropped either in or out of mozilla, clear the flag sIsDraggingOutOf = false; // see if we can compress this event // XXXldb Why skip every other motion event when we have multiple, // but not more than that? bool synthEvent = false; #ifdef MOZ_X11 XEvent xevent; while (XPending (GDK_WINDOW_XDISPLAY(aEvent->window))) { XEvent peeked; XPeekEvent (GDK_WINDOW_XDISPLAY(aEvent->window), &peeked); if (peeked.xany.window != gdk_x11_window_get_xid(aEvent->window) || peeked.type != MotionNotify) break; synthEvent = true; XNextEvent (GDK_WINDOW_XDISPLAY(aEvent->window), &xevent); } #if defined(MOZ_WIDGET_GTK2) // if plugins still keeps the focus, get it back if (gPluginFocusWindow && gPluginFocusWindow != this) { nsRefPtr kungFuDeathGrip = gPluginFocusWindow; gPluginFocusWindow->LoseNonXEmbedPluginFocus(); } #endif /* MOZ_WIDGET_GTK2 */ #endif /* MOZ_X11 */ nsMouseEvent event(true, NS_MOUSE_MOVE, this, nsMouseEvent::eReal); gdouble pressure = 0; gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure); // Sometime gdk generate 0 pressure value between normal values // We have to ignore that and use last valid value if (pressure) mLastMotionPressure = pressure; event.pressure = mLastMotionPressure; if (synthEvent) { #ifdef MOZ_X11 event.refPoint.x = nscoord(xevent.xmotion.x); event.refPoint.y = nscoord(xevent.xmotion.y); event.isShift = (xevent.xmotion.state & GDK_SHIFT_MASK) ? true : false; event.isControl = (xevent.xmotion.state & GDK_CONTROL_MASK) ? true : false; event.isAlt = (xevent.xmotion.state & GDK_MOD1_MASK) ? true : false; event.time = xevent.xmotion.time; #else event.refPoint.x = nscoord(aEvent->x); event.refPoint.y = nscoord(aEvent->y); event.isShift = (aEvent->state & GDK_SHIFT_MASK) ? true : false; event.isControl = (aEvent->state & GDK_CONTROL_MASK) ? true : false; event.isAlt = (aEvent->state & GDK_MOD1_MASK) ? true : false; event.time = aEvent->time; #endif /* MOZ_X11 */ } else { // XXX see OnScrollEvent() if (aEvent->window == mGdkWindow) { event.refPoint.x = nscoord(aEvent->x); event.refPoint.y = nscoord(aEvent->y); } else { nsIntPoint point(NSToIntFloor(aEvent->x_root), NSToIntFloor(aEvent->y_root)); event.refPoint = point - WidgetToScreenOffset(); } event.isShift = (aEvent->state & GDK_SHIFT_MASK) ? true : false; event.isControl = (aEvent->state & GDK_CONTROL_MASK) ? true : false; event.isAlt = (aEvent->state & GDK_MOD1_MASK) ? true : false; event.time = aEvent->time; } nsEventStatus status; DispatchEvent(&event, status); } // If the automatic pointer grab on ButtonPress has deactivated before // ButtonRelease, and the mouse button is released while the pointer is not // over any a Gecko window, then the ButtonRelease event will not be received. // (A similar situation exists when the pointer is grabbed with owner_events // True as the ButtonRelease may be received on a foreign [plugin] window). // Use this method to check for released buttons when the pointer returns to a // Gecko window. void nsWindow::DispatchMissedButtonReleases(GdkEventCrossing *aGdkEvent) { guint changed = aGdkEvent->state ^ gButtonState; // Only consider button releases. // (Ignore button presses that occurred outside Gecko.) guint released = changed & gButtonState; gButtonState = aGdkEvent->state; // Loop over each button, excluding mouse wheel buttons 4 and 5 for which // GDK ignores releases. for (guint buttonMask = GDK_BUTTON1_MASK; buttonMask <= GDK_BUTTON3_MASK; buttonMask <<= 1) { if (released & buttonMask) { PRInt16 buttonType; switch (buttonMask) { case GDK_BUTTON1_MASK: buttonType = nsMouseEvent::eLeftButton; break; case GDK_BUTTON2_MASK: buttonType = nsMouseEvent::eMiddleButton; break; default: NS_ASSERTION(buttonMask == GDK_BUTTON3_MASK, "Unexpected button mask"); buttonType = nsMouseEvent::eRightButton; } LOG(("Synthesized button %u release on %p\n", guint(buttonType + 1), (void *)this)); // Dispatch a synthesized button up event to tell Gecko about the // change in state. This event is marked as synthesized so that // it is not dispatched as a DOM event, because we don't know the // position, widget, modifiers, or time/order. nsMouseEvent synthEvent(true, NS_MOUSE_BUTTON_UP, this, nsMouseEvent::eSynthesized); synthEvent.button = buttonType; nsEventStatus status; DispatchEvent(&synthEvent, status); sLastButtonReleaseTime = aGdkEvent->time; } } } void nsWindow::InitButtonEvent(nsMouseEvent &aEvent, GdkEventButton *aGdkEvent) { // XXX see OnScrollEvent() if (aGdkEvent->window == mGdkWindow) { aEvent.refPoint.x = nscoord(aGdkEvent->x); aEvent.refPoint.y = nscoord(aGdkEvent->y); } else { nsIntPoint point(NSToIntFloor(aGdkEvent->x_root), NSToIntFloor(aGdkEvent->y_root)); aEvent.refPoint = point - WidgetToScreenOffset(); } aEvent.isShift = (aGdkEvent->state & GDK_SHIFT_MASK) != 0; aEvent.isControl = (aGdkEvent->state & GDK_CONTROL_MASK) != 0; aEvent.isAlt = (aGdkEvent->state & GDK_MOD1_MASK) != 0; aEvent.isMeta = (aGdkEvent->state & GDK_MOD4_MASK) != 0; aEvent.time = aGdkEvent->time; switch (aGdkEvent->type) { case GDK_2BUTTON_PRESS: aEvent.clickCount = 2; break; case GDK_3BUTTON_PRESS: aEvent.clickCount = 3; break; // default is one click default: aEvent.clickCount = 1; } } static guint ButtonMaskFromGDKButton(guint button) { return GDK_BUTTON1_MASK << (button - 1); } void nsWindow::OnButtonPressEvent(GtkWidget *aWidget, GdkEventButton *aEvent) { LOG(("Button %u press on %p\n", aEvent->button, (void *)this)); nsEventStatus status; // If you double click in GDK, it will actually generate a second // GDK_BUTTON_PRESS before sending the GDK_2BUTTON_PRESS, and this is // different than the DOM spec. GDK puts this in the queue // programatically, so it's safe to assume that if there's a // double click in the queue, it was generated so we can just drop // this click. GdkEvent *peekedEvent = gdk_event_peek(); if (peekedEvent) { GdkEventType type = peekedEvent->any.type; gdk_event_free(peekedEvent); if (type == GDK_2BUTTON_PRESS || type == GDK_3BUTTON_PRESS) return; } // We haven't received the corresponding release event yet. sLastButtonReleaseTime = 0; nsWindow *containerWindow = GetContainerWindow(); if (!gFocusWindow && containerWindow) { containerWindow->DispatchActivateEvent(); } // check to see if we should rollup bool rolledUp = check_for_rollup(aEvent->x_root, aEvent->y_root, false, false); if (gConsumeRollupEvent && rolledUp) return; gdouble pressure = 0; gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure); mLastMotionPressure = pressure; PRUint16 domButton; switch (aEvent->button) { case 1: domButton = nsMouseEvent::eLeftButton; break; case 2: domButton = nsMouseEvent::eMiddleButton; break; case 3: domButton = nsMouseEvent::eRightButton; break; // These are mapped to horizontal scroll case 6: case 7: { nsMouseScrollEvent event(true, NS_MOUSE_SCROLL, this); event.pressure = mLastMotionPressure; event.scrollFlags = nsMouseScrollEvent::kIsHorizontal; event.refPoint.x = nscoord(aEvent->x); event.refPoint.y = nscoord(aEvent->y); // XXX Why is this delta value different from the scroll event? event.delta = (aEvent->button == 6) ? -2 : 2; event.isShift = (aEvent->state & GDK_SHIFT_MASK) != 0; event.isControl = (aEvent->state & GDK_CONTROL_MASK) != 0; event.isAlt = (aEvent->state & GDK_MOD1_MASK) != 0; event.isMeta = (aEvent->state & GDK_MOD4_MASK) != 0; event.time = aEvent->time; nsEventStatus status; DispatchEvent(&event, status); return; } // Map buttons 8-9 to back/forward case 8: DispatchCommandEvent(nsGkAtoms::Back); return; case 9: DispatchCommandEvent(nsGkAtoms::Forward); return; default: return; } gButtonState |= ButtonMaskFromGDKButton(aEvent->button); nsMouseEvent event(true, NS_MOUSE_BUTTON_DOWN, this, nsMouseEvent::eReal); event.button = domButton; InitButtonEvent(event, aEvent); event.pressure = mLastMotionPressure; DispatchEvent(&event, status); // right menu click on linux should also pop up a context menu if (domButton == nsMouseEvent::eRightButton && NS_LIKELY(!mIsDestroyed)) { nsMouseEvent contextMenuEvent(true, NS_CONTEXTMENU, this, nsMouseEvent::eReal); InitButtonEvent(contextMenuEvent, aEvent); contextMenuEvent.pressure = mLastMotionPressure; DispatchEvent(&contextMenuEvent, status); } } void nsWindow::OnButtonReleaseEvent(GtkWidget *aWidget, GdkEventButton *aEvent) { LOG(("Button %u release on %p\n", aEvent->button, (void *)this)); PRUint16 domButton; sLastButtonReleaseTime = aEvent->time; switch (aEvent->button) { case 1: domButton = nsMouseEvent::eLeftButton; break; case 2: domButton = nsMouseEvent::eMiddleButton; break; case 3: domButton = nsMouseEvent::eRightButton; break; default: return; } gButtonState &= ~ButtonMaskFromGDKButton(aEvent->button); nsMouseEvent event(true, NS_MOUSE_BUTTON_UP, this, nsMouseEvent::eReal); event.button = domButton; InitButtonEvent(event, aEvent); gdouble pressure = 0; gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure); event.pressure = pressure ? pressure : mLastMotionPressure; nsEventStatus status; DispatchEvent(&event, status); mLastMotionPressure = pressure; } void nsWindow::OnContainerFocusInEvent(GtkWidget *aWidget, GdkEventFocus *aEvent) { NS_ASSERTION(mWindowType != eWindowType_popup, "Unexpected focus on a popup window"); LOGFOCUS(("OnContainerFocusInEvent [%p]\n", (void *)this)); // Unset the urgency hint, if possible GtkWidget* top_window = nsnull; GetToplevelWidget(&top_window); if (top_window && (gtk_widget_get_visible(top_window))) SetUrgencyHint(top_window, false); // Return if being called within SetFocus because the focus manager // already knows that the window is active. if (gBlockActivateEvent) { LOGFOCUS(("NS_ACTIVATE event is blocked [%p]\n", (void *)this)); return; } // This is not usually the correct window for dispatching key events, // but the focus manager will call SetFocus to set the correct window if // keyboard input will be accepted. Setting a non-NULL value here // prevents OnButtonPressEvent() from dispatching NS_ACTIVATE if the // widget is already active. gFocusWindow = this; DispatchActivateEvent(); LOGFOCUS(("Events sent from focus in event [%p]\n", (void *)this)); } void nsWindow::OnContainerFocusOutEvent(GtkWidget *aWidget, GdkEventFocus *aEvent) { LOGFOCUS(("OnContainerFocusOutEvent [%p]\n", (void *)this)); if (mWindowType == eWindowType_toplevel || mWindowType == eWindowType_dialog) { nsCOMPtr dragService = do_GetService(kCDragServiceCID); nsCOMPtr dragSession; dragService->GetCurrentSession(getter_AddRefs(dragSession)); // Rollup popups when a window is focused out unless a drag is occurring. // This check is because drags grab the keyboard and cause a focus out on // versions of GTK before 2.18. bool shouldRollup = !dragSession; if (!shouldRollup) { // we also roll up when a drag is from a different application nsCOMPtr sourceNode; dragSession->GetSourceNode(getter_AddRefs(sourceNode)); shouldRollup = (sourceNode == nsnull); } if (shouldRollup) { check_for_rollup(0, 0, false, true); } } #if defined(MOZ_WIDGET_GTK2) && defined(MOZ_X11) // plugin lose focus if (gPluginFocusWindow) { nsRefPtr kungFuDeathGrip = gPluginFocusWindow; gPluginFocusWindow->LoseNonXEmbedPluginFocus(); } #endif /* MOZ_X11 && MOZ_WIDGET_GTK2 */ if (gFocusWindow) { nsRefPtr kungFuDeathGrip = gFocusWindow; if (gFocusWindow->mIMModule) { gFocusWindow->mIMModule->OnBlurWindow(gFocusWindow); } gFocusWindow = nsnull; } DispatchDeactivateEvent(); LOGFOCUS(("Done with container focus out [%p]\n", (void *)this)); } bool nsWindow::DispatchCommandEvent(nsIAtom* aCommand) { nsEventStatus status; nsCommandEvent event(true, nsGkAtoms::onAppCommand, aCommand, this); DispatchEvent(&event, status); return TRUE; } bool nsWindow::DispatchContentCommandEvent(PRInt32 aMsg) { nsEventStatus status; nsContentCommandEvent event(true, aMsg, this); DispatchEvent(&event, status); return TRUE; } static PRUint32 GetCharCodeFor(const GdkEventKey *aEvent, guint aShiftState, gint aGroup) { guint keyval; GdkKeymap *keymap = gdk_keymap_get_default(); if (gdk_keymap_translate_keyboard_state(keymap, aEvent->hardware_keycode, GdkModifierType(aShiftState), aGroup, &keyval, NULL, NULL, NULL)) { GdkEventKey tmpEvent = *aEvent; tmpEvent.state = guint(aShiftState); tmpEvent.keyval = keyval; tmpEvent.group = aGroup; return nsConvertCharCodeToUnicode(&tmpEvent); } return 0; } static gint GetKeyLevel(GdkEventKey *aEvent) { gint level; GdkKeymap *keymap = gdk_keymap_get_default(); if (!gdk_keymap_translate_keyboard_state(keymap, aEvent->hardware_keycode, GdkModifierType(aEvent->state), aEvent->group, NULL, NULL, &level, NULL)) return -1; return level; } static bool IsBasicLatinLetterOrNumeral(PRUint32 aChar) { return (aChar >= 'a' && aChar <= 'z') || (aChar >= 'A' && aChar <= 'Z') || (aChar >= '0' && aChar <= '9'); } static bool IsCtrlAltTab(GdkEventKey *aEvent) { return aEvent->keyval == GDK_Tab && aEvent->state & GDK_CONTROL_MASK && aEvent->state & GDK_MOD1_MASK; } bool nsWindow::DispatchKeyDownEvent(GdkEventKey *aEvent, bool *aCancelled) { NS_PRECONDITION(aCancelled, "aCancelled must not be null"); *aCancelled = false; if (IsCtrlAltTab(aEvent)) { return false; } // send the key down event nsEventStatus status; nsKeyEvent downEvent(true, NS_KEY_DOWN, this); InitKeyEvent(downEvent, aEvent); DispatchEvent(&downEvent, status); *aCancelled = (status == nsEventStatus_eConsumeNoDefault); return true; } gboolean nsWindow::OnKeyPressEvent(GtkWidget *aWidget, GdkEventKey *aEvent) { LOGFOCUS(("OnKeyPressEvent [%p]\n", (void *)this)); // if we are in the middle of composing text, XIM gets to see it // before mozilla does. bool IMEWasEnabled = false; if (mIMModule) { IMEWasEnabled = mIMModule->IsEnabled(); if (mIMModule->OnKeyEvent(this, aEvent)) { return TRUE; } } nsEventStatus status; // work around for annoying things. if (IsCtrlAltTab(aEvent)) { return TRUE; } nsCOMPtr kungFuDeathGrip = this; // Dispatch keydown event always. At auto repeating, we should send // KEYDOWN -> KEYPRESS -> KEYDOWN -> KEYPRESS ... -> KEYUP // However, old distributions (e.g., Ubuntu 9.10) sent native key // release event, so, on such platform, the DOM events will be: // KEYDOWN -> KEYPRESS -> KEYUP -> KEYDOWN -> KEYPRESS -> KEYUP... bool isKeyDownCancelled = false; if (DispatchKeyDownEvent(aEvent, &isKeyDownCancelled) && NS_UNLIKELY(mIsDestroyed)) { return TRUE; } // If a keydown event handler causes to enable IME, i.e., it moves // focus from IME unusable content to IME usable editor, we should // send the native key event to IME for the first input on the editor. if (!IMEWasEnabled && mIMModule && mIMModule->IsEnabled()) { // Notice our keydown event was already dispatched. This prevents // unnecessary DOM keydown event in the editor. if (mIMModule->OnKeyEvent(this, aEvent, true)) { return TRUE; } } // Don't pass modifiers as NS_KEY_PRESS events. // TODO: Instead of selectively excluding some keys from NS_KEY_PRESS events, // we should instead selectively include (as per MSDN spec; no official // spec covers KeyPress events). if (aEvent->keyval == GDK_Shift_L || aEvent->keyval == GDK_Shift_R || aEvent->keyval == GDK_Control_L || aEvent->keyval == GDK_Control_R || aEvent->keyval == GDK_Alt_L || aEvent->keyval == GDK_Alt_R || aEvent->keyval == GDK_Meta_L || aEvent->keyval == GDK_Meta_R) { return TRUE; } #ifdef MOZ_X11 #if ! defined AIX // no XFree86 on AIX 5L // Look for specialized app-command keys switch (aEvent->keyval) { case XF86XK_Back: return DispatchCommandEvent(nsGkAtoms::Back); case XF86XK_Forward: return DispatchCommandEvent(nsGkAtoms::Forward); case XF86XK_Refresh: return DispatchCommandEvent(nsGkAtoms::Reload); case XF86XK_Stop: return DispatchCommandEvent(nsGkAtoms::Stop); case XF86XK_Search: return DispatchCommandEvent(nsGkAtoms::Search); case XF86XK_Favorites: return DispatchCommandEvent(nsGkAtoms::Bookmarks); case XF86XK_HomePage: return DispatchCommandEvent(nsGkAtoms::Home); case XF86XK_Copy: case GDK_F16: // F16, F20, F18, F14 are old keysyms for Copy Cut Paste Undo return DispatchContentCommandEvent(NS_CONTENT_COMMAND_COPY); case XF86XK_Cut: case GDK_F20: return DispatchContentCommandEvent(NS_CONTENT_COMMAND_CUT); case XF86XK_Paste: case GDK_F18: return DispatchContentCommandEvent(NS_CONTENT_COMMAND_PASTE); case GDK_Redo: return DispatchContentCommandEvent(NS_CONTENT_COMMAND_REDO); case GDK_Undo: case GDK_F14: return DispatchContentCommandEvent(NS_CONTENT_COMMAND_UNDO); } #endif /* ! AIX */ #endif /* MOZ_X11 */ nsKeyEvent event(true, NS_KEY_PRESS, this); InitKeyEvent(event, aEvent); if (isKeyDownCancelled) { // If prevent default set for onkeydown, do the same for onkeypress event.flags |= NS_EVENT_FLAG_NO_DEFAULT; } event.charCode = nsConvertCharCodeToUnicode(aEvent); if (event.charCode) { event.keyCode = 0; gint level = GetKeyLevel(aEvent); if ((event.isControl || event.isAlt || event.isMeta) && (level == 0 || level == 1)) { guint baseState = aEvent->state & ~(GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK | GDK_MOD4_MASK); // We shold send both shifted char and unshifted char, // all keyboard layout users can use all keys. // Don't change event.charCode. On some keyboard layouts, // ctrl/alt/meta keys are used for inputting some characters. nsAlternativeCharCode altCharCodes(0, 0); // unshifted charcode of current keyboard layout. altCharCodes.mUnshiftedCharCode = GetCharCodeFor(aEvent, baseState, aEvent->group); bool isLatin = (altCharCodes.mUnshiftedCharCode <= 0xFF); // shifted charcode of current keyboard layout. altCharCodes.mShiftedCharCode = GetCharCodeFor(aEvent, baseState | GDK_SHIFT_MASK, aEvent->group); isLatin = isLatin && (altCharCodes.mShiftedCharCode <= 0xFF); if (altCharCodes.mUnshiftedCharCode || altCharCodes.mShiftedCharCode) { event.alternativeCharCodes.AppendElement(altCharCodes); } if (!isLatin) { // Next, find latin inputtable keyboard layout. GdkKeymapKey *keys; gint count; gint minGroup = -1; if (gdk_keymap_get_entries_for_keyval(NULL, GDK_a, &keys, &count)) { // find the minimum number group for latin inputtable layout for (gint i = 0; i < count && minGroup != 0; ++i) { if (keys[i].level != 0 && keys[i].level != 1) continue; if (minGroup >= 0 && keys[i].group > minGroup) continue; minGroup = keys[i].group; } g_free(keys); } if (minGroup >= 0) { PRUint32 unmodifiedCh = event.isShift ? altCharCodes.mShiftedCharCode : altCharCodes.mUnshiftedCharCode; // unshifted charcode of found keyboard layout. PRUint32 ch = GetCharCodeFor(aEvent, baseState, minGroup); altCharCodes.mUnshiftedCharCode = IsBasicLatinLetterOrNumeral(ch) ? ch : 0; // shifted charcode of found keyboard layout. ch = GetCharCodeFor(aEvent, baseState | GDK_SHIFT_MASK, minGroup); altCharCodes.mShiftedCharCode = IsBasicLatinLetterOrNumeral(ch) ? ch : 0; if (altCharCodes.mUnshiftedCharCode || altCharCodes.mShiftedCharCode) { event.alternativeCharCodes.AppendElement(altCharCodes); } // If the charCode is not Latin, and the level is 0 or 1, // we should replace the charCode to Latin char if Alt and // Meta keys are not pressed. (Alt should be sent the // localized char for accesskey like handling of Web // Applications.) ch = event.isShift ? altCharCodes.mShiftedCharCode : altCharCodes.mUnshiftedCharCode; if (ch && !(event.isAlt || event.isMeta) && event.charCode == unmodifiedCh) { event.charCode = ch; } } } } } // before we dispatch a key, check if it's the context menu key. // If so, send a context menu key event instead. if (is_context_menu_key(event)) { nsMouseEvent contextMenuEvent(true, NS_CONTEXTMENU, this, nsMouseEvent::eReal, nsMouseEvent::eContextMenuKey); key_event_to_context_menu_event(contextMenuEvent, aEvent); DispatchEvent(&contextMenuEvent, status); } else { // If the character code is in the BMP, send the key press event. // Otherwise, send a text event with the equivalent UTF-16 string. if (IS_IN_BMP(event.charCode)) { DispatchEvent(&event, status); } else { nsTextEvent textEvent(true, NS_TEXT_TEXT, this); PRUnichar textString[3]; textString[0] = H_SURROGATE(event.charCode); textString[1] = L_SURROGATE(event.charCode); textString[2] = 0; textEvent.theText = textString; textEvent.time = event.time; DispatchEvent(&textEvent, status); } } // If the event was consumed, return. if (status == nsEventStatus_eConsumeNoDefault) { return TRUE; } return FALSE; } gboolean nsWindow::OnKeyReleaseEvent(GtkWidget *aWidget, GdkEventKey *aEvent) { LOGFOCUS(("OnKeyReleaseEvent [%p]\n", (void *)this)); if (mIMModule && mIMModule->OnKeyEvent(this, aEvent)) { return TRUE; } // send the key event as a key up event nsKeyEvent event(true, NS_KEY_UP, this); InitKeyEvent(event, aEvent); nsEventStatus status; DispatchEvent(&event, status); // If the event was consumed, return. if (status == nsEventStatus_eConsumeNoDefault) { return TRUE; } return FALSE; } void nsWindow::OnScrollEvent(GtkWidget *aWidget, GdkEventScroll *aEvent) { // check to see if we should rollup bool rolledUp = check_for_rollup(aEvent->x_root, aEvent->y_root, true, false); if (gConsumeRollupEvent && rolledUp) return; nsMouseScrollEvent event(true, NS_MOUSE_SCROLL, this); switch (aEvent->direction) { case GDK_SCROLL_UP: event.scrollFlags = nsMouseScrollEvent::kIsVertical; event.delta = -3; break; case GDK_SCROLL_DOWN: event.scrollFlags = nsMouseScrollEvent::kIsVertical; event.delta = 3; break; case GDK_SCROLL_LEFT: event.scrollFlags = nsMouseScrollEvent::kIsHorizontal; event.delta = -1; break; case GDK_SCROLL_RIGHT: event.scrollFlags = nsMouseScrollEvent::kIsHorizontal; event.delta = 1; break; } if (aEvent->window == mGdkWindow) { // we are the window that the event happened on so no need for expensive WidgetToScreenOffset event.refPoint.x = nscoord(aEvent->x); event.refPoint.y = nscoord(aEvent->y); } else { // XXX we're never quite sure which GdkWindow the event came from due to our custom bubbling // in scroll_event_cb(), so use ScreenToWidget to translate the screen root coordinates into // coordinates relative to this widget. nsIntPoint point(NSToIntFloor(aEvent->x_root), NSToIntFloor(aEvent->y_root)); event.refPoint = point - WidgetToScreenOffset(); } event.isShift = (aEvent->state & GDK_SHIFT_MASK) != 0; event.isControl = (aEvent->state & GDK_CONTROL_MASK) != 0; event.isAlt = (aEvent->state & GDK_MOD1_MASK) != 0; event.isMeta = (aEvent->state & GDK_MOD4_MASK) != 0; event.time = aEvent->time; nsEventStatus status; DispatchEvent(&event, status); } void nsWindow::OnVisibilityNotifyEvent(GtkWidget *aWidget, GdkEventVisibility *aEvent) { LOGDRAW(("Visibility event %i on [%p] %p\n", aEvent->state, this, aEvent->window)); if (!mGdkWindow) return; switch (aEvent->state) { case GDK_VISIBILITY_UNOBSCURED: case GDK_VISIBILITY_PARTIAL: if (mIsFullyObscured && mHasMappedToplevel) { // GDK_EXPOSE events have been ignored, so make sure GDK // doesn't think that the window has already been painted. gdk_window_invalidate_rect(mGdkWindow, NULL, FALSE); } mIsFullyObscured = false; // In Hildon/Maemo, a browser window will get into 'patially visible' state wheneven an // autocomplete feature is dropped down (from urlbar or from an entry form completion), // and there are no much further ways for that to happen in the plaftorm. In such cases, if hildon // virtual keyboard is up, we can not grab focus to any dropdown list. Reason: nsWindow::EnsureGrabs() // calls gdk_pointer_grab() which grabs the pointer (usually a mouse) so that all events are passed // to this it until the pointer is ungrabbed. if (!nsGtkIMModule::IsVirtualKeyboardOpened()) { // if we have to retry the grab, retry it. EnsureGrabs(); } break; default: // includes GDK_VISIBILITY_FULLY_OBSCURED mIsFullyObscured = true; break; } } void nsWindow::OnWindowStateEvent(GtkWidget *aWidget, GdkEventWindowState *aEvent) { LOG(("nsWindow::OnWindowStateEvent [%p] changed %d new_window_state %d\n", (void *)this, aEvent->changed_mask, aEvent->new_window_state)); if (IS_MOZ_CONTAINER(aWidget)) { // This event is notifying the container widget of changes to the // toplevel window. Just detect changes affecting whether windows are // viewable. // // (A visibility notify event is sent to each window that becomes // viewable when the toplevel is mapped, but we can't rely on that for // setting mHasMappedToplevel because these toplevel window state // events are asynchronous. The windows in the hierarchy now may not // be the same windows as when the toplevel was mapped, so they may // not get VisibilityNotify events.) bool mapped = !(aEvent->new_window_state & (GDK_WINDOW_STATE_ICONIFIED|GDK_WINDOW_STATE_WITHDRAWN)); if (mHasMappedToplevel != mapped) { SetHasMappedToplevel(mapped); } return; } // else the widget is a shell widget. nsSizeModeEvent event(true, NS_SIZEMODE, this); // We don't care about anything but changes in the maximized/icon/fullscreen // states if ((aEvent->changed_mask & (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED | GDK_WINDOW_STATE_FULLSCREEN)) == 0) { return; } if (aEvent->new_window_state & GDK_WINDOW_STATE_ICONIFIED) { LOG(("\tIconified\n")); event.mSizeMode = nsSizeMode_Minimized; mSizeState = nsSizeMode_Minimized; #ifdef ACCESSIBILITY DispatchMinimizeEventAccessible(); #endif //ACCESSIBILITY } else if (aEvent->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) { LOG(("\tFullscreen\n")); event.mSizeMode = nsSizeMode_Fullscreen; mSizeState = nsSizeMode_Fullscreen; } else if (aEvent->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) { LOG(("\tMaximized\n")); event.mSizeMode = nsSizeMode_Maximized; mSizeState = nsSizeMode_Maximized; #ifdef ACCESSIBILITY DispatchMaximizeEventAccessible(); #endif //ACCESSIBILITY } else { LOG(("\tNormal\n")); event.mSizeMode = nsSizeMode_Normal; mSizeState = nsSizeMode_Normal; #ifdef ACCESSIBILITY DispatchRestoreEventAccessible(); #endif //ACCESSIBILITY } nsEventStatus status; DispatchEvent(&event, status); } void nsWindow::ThemeChanged() { nsGUIEvent event(true, NS_THEMECHANGED, this); nsEventStatus status = nsEventStatus_eIgnore; DispatchEvent(&event, status); if (!mGdkWindow || NS_UNLIKELY(mIsDestroyed)) return; // Dispatch NS_THEMECHANGED to all child windows GList *children = gdk_window_peek_children(mGdkWindow); while (children) { GdkWindow *gdkWin = GDK_WINDOW(children->data); nsWindow *win = (nsWindow*) g_object_get_data(G_OBJECT(gdkWin), "nsWindow"); if (win && win != this) { // guard against infinite recursion nsRefPtr kungFuDeathGrip = win; win->ThemeChanged(); } children = children->next; } } void nsWindow::CheckNeedDragLeaveEnter(nsWindow* aInnerMostWidget, nsIDragService* aDragService, GdkDragContext *aDragContext, nscoord aX, nscoord aY) { // check to see if there was a drag motion window already in place if (sLastDragMotionWindow) { // same as the last window so no need for dragenter and dragleave events if (sLastDragMotionWindow == aInnerMostWidget) { UpdateDragStatus(aDragContext, aDragService); return; } // send a dragleave event to the last window that got a motion event nsRefPtr kungFuDeathGrip = sLastDragMotionWindow; sLastDragMotionWindow->OnDragLeave(); } // Make sure that the drag service knows we're now dragging aDragService->StartDragSession(); // update our drag status and send a dragenter event to the window UpdateDragStatus(aDragContext, aDragService); aInnerMostWidget->OnDragEnter(aX, aY); // set the last window to the innerMostWidget sLastDragMotionWindow = aInnerMostWidget; } gboolean nsWindow::OnDragMotionEvent(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, guint aTime, gpointer aData) { LOGDRAG(("nsWindow::OnDragMotionSignal\n")); if (sLastButtonReleaseTime) { // The drag ended before it was even setup to handle the end of the drag // So, we fake the button getting released again to release the drag GtkWidget *widget = gtk_grab_get_current(); GdkEvent event; gboolean retval; memset(&event, 0, sizeof(event)); event.type = GDK_BUTTON_RELEASE; event.button.time = sLastButtonReleaseTime; event.button.button = 1; sLastButtonReleaseTime = 0; if (widget) { g_signal_emit_by_name(widget, "button_release_event", &event, &retval); return TRUE; } } sIsDraggingOutOf = false; // get our drag context nsCOMPtr dragService = do_GetService(kCDragServiceCID); nsCOMPtr dragSessionGTK = do_QueryInterface(dragService); // first, figure out which internal widget this drag motion actually // happened on nscoord retx = 0; nscoord rety = 0; GdkWindow *innerWindow = get_inner_gdk_window(gtk_widget_get_window(aWidget), aX, aY, &retx, &rety); nsRefPtr innerMostWidget = get_window_for_gdk_window(innerWindow); if (!innerMostWidget) innerMostWidget = this; // update the drag context dragSessionGTK->TargetSetLastContext(aWidget, aDragContext, aTime); // clear any drag leave timer that might be pending so that it // doesn't get processed when we actually go out to get data. if (mDragLeaveTimer) { mDragLeaveTimer->Cancel(); mDragLeaveTimer = nsnull; } CheckNeedDragLeaveEnter(innerMostWidget, dragService, aDragContext, retx, rety); // notify the drag service that we are starting a drag motion. dragSessionGTK->TargetStartDragMotion(); dragService->FireDragEventAtSource(NS_DRAGDROP_DRAG); nsDragEvent event(true, NS_DRAGDROP_OVER, innerMostWidget); InitDragEvent(event); event.refPoint.x = retx; event.refPoint.y = rety; event.time = aTime; nsEventStatus status; innerMostWidget->DispatchEvent(&event, status); // we're done with the drag motion event. notify the drag service. dragSessionGTK->TargetEndDragMotion(aWidget, aDragContext, aTime); // and unset our context dragSessionGTK->TargetSetLastContext(0, 0, 0); return TRUE; } void nsWindow::OnDragLeaveEvent(GtkWidget *aWidget, GdkDragContext *aDragContext, guint aTime, gpointer aData) { // XXX Do we want to pass this on only if the event's subwindow is null? LOGDRAG(("nsWindow::OnDragLeaveSignal(%p)\n", (void*)this)); sIsDraggingOutOf = true; if (mDragLeaveTimer) { return; } // create a fast timer - we're delaying the drag leave until the // next mainloop in hopes that we might be able to get a drag drop // signal mDragLeaveTimer = do_CreateInstance("@mozilla.org/timer;1"); NS_ASSERTION(mDragLeaveTimer, "Failed to create drag leave timer!"); // fire this baby asafp, but not too quickly... see bug 216800 ;-) mDragLeaveTimer->InitWithFuncCallback(DragLeaveTimerCallback, (void *)this, 20, nsITimer::TYPE_ONE_SHOT); } gboolean nsWindow::OnDragDropEvent(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, guint aTime, gpointer aData) { LOGDRAG(("nsWindow::OnDragDropSignal\n")); // get our drag context nsCOMPtr dragService = do_GetService(kCDragServiceCID); nsCOMPtr dragSessionGTK = do_QueryInterface(dragService); nscoord retx = 0; nscoord rety = 0; GdkWindow *innerWindow = get_inner_gdk_window(gtk_widget_get_window(aWidget), aX, aY, &retx, &rety); nsRefPtr innerMostWidget = get_window_for_gdk_window(innerWindow); if (!innerMostWidget) innerMostWidget = this; // set this now before any of the drag enter or leave events happen dragSessionGTK->TargetSetLastContext(aWidget, aDragContext, aTime); // clear any drag leave timer that might be pending so that it // doesn't get processed when we actually go out to get data. if (mDragLeaveTimer) { mDragLeaveTimer->Cancel(); mDragLeaveTimer = nsnull; } CheckNeedDragLeaveEnter(innerMostWidget, dragService, aDragContext, retx, rety); // What we do here is dispatch a new drag motion event to // re-validate the drag target and then we do the drop. The events // look the same except for the type. nsDragEvent event(true, NS_DRAGDROP_OVER, innerMostWidget); InitDragEvent(event); event.refPoint.x = retx; event.refPoint.y = rety; event.time = aTime; nsEventStatus status; innerMostWidget->DispatchEvent(&event, status); // We need to check innerMostWidget->mIsDestroyed here because the nsRefPtr // only protects innerMostWidget from being deleted, it does NOT protect // against nsView::~nsView() calling Destroy() on it, bug 378670. if (!innerMostWidget->mIsDestroyed) { nsDragEvent event(true, NS_DRAGDROP_DROP, innerMostWidget); event.refPoint.x = retx; event.refPoint.y = rety; nsEventStatus status = nsEventStatus_eIgnore; innerMostWidget->DispatchEvent(&event, status); } // before we unset the context we need to do a drop_finish gdk_drop_finish(aDragContext, TRUE, aTime); // after a drop takes place we need to make sure that the drag // service doesn't think that it still has a context. if the other // way ( besides the drop ) to end a drag event is during the leave // event and and that case is handled in that handler. dragSessionGTK->TargetSetLastContext(0, 0, 0); // clear the sLastDragMotion window sLastDragMotionWindow = 0; // Make sure to end the drag session. If this drag started in a // different app, we won't get a drag_end signal to end it from. gint x, y; GdkDisplay* display = gdk_display_get_default(); if (display) { // get the current cursor position gdk_display_get_pointer(display, NULL, &x, &y, NULL); ((nsDragService *)dragService.get())->SetDragEndPoint(nsIntPoint(x, y)); } dragService->EndDragSession(true); return TRUE; } void nsWindow::OnDragDataReceivedEvent(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, GtkSelectionData *aSelectionData, guint aInfo, guint aTime, gpointer aData) { LOGDRAG(("nsWindow::OnDragDataReceived(%p)\n", (void*)this)); // get our drag context nsCOMPtr dragService = do_GetService(kCDragServiceCID); nsCOMPtr dragSessionGTK = do_QueryInterface(dragService); dragSessionGTK->TargetDataReceived(aWidget, aDragContext, aX, aY, aSelectionData, aInfo, aTime); } void nsWindow::OnDragLeave(void) { LOGDRAG(("nsWindow::OnDragLeave(%p)\n", (void*)this)); nsDragEvent event(true, NS_DRAGDROP_EXIT, this); nsEventStatus status; DispatchEvent(&event, status); nsCOMPtr dragService = do_GetService(kCDragServiceCID); if (dragService) { nsCOMPtr currentDragSession; dragService->GetCurrentSession(getter_AddRefs(currentDragSession)); if (currentDragSession) { nsCOMPtr sourceNode; currentDragSession->GetSourceNode(getter_AddRefs(sourceNode)); if (!sourceNode) { // We're leaving a window while doing a drag that was // initiated in a different app. End the drag session, // since we're done with it for now (until the user // drags back into mozilla). dragService->EndDragSession(false); } } } } void nsWindow::OnDragEnter(nscoord aX, nscoord aY) { // XXX Do we want to pass this on only if the event's subwindow is null? LOGDRAG(("nsWindow::OnDragEnter(%p)\n", (void*)this)); nsDragEvent event(true, NS_DRAGDROP_ENTER, this); event.refPoint.x = aX; event.refPoint.y = aY; nsEventStatus status; DispatchEvent(&event, status); } static void GetBrandName(nsXPIDLString& brandName) { nsCOMPtr bundleService = do_GetService(NS_STRINGBUNDLE_CONTRACTID); nsCOMPtr bundle; if (bundleService) bundleService->CreateBundle( "chrome://branding/locale/brand.properties", getter_AddRefs(bundle)); if (bundle) bundle->GetStringFromName( NS_LITERAL_STRING("brandShortName").get(), getter_Copies(brandName)); if (brandName.IsEmpty()) brandName.Assign(NS_LITERAL_STRING("Mozilla")); } static GdkWindow * CreateGdkWindow(GdkWindow *parent, GtkWidget *widget) { GdkWindowAttr attributes; gint attributes_mask = GDK_WA_VISUAL; attributes.event_mask = (GDK_EXPOSURE_MASK | GDK_STRUCTURE_MASK | GDK_VISIBILITY_NOTIFY_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | #ifdef HAVE_GTK_MOTION_HINTS GDK_POINTER_MOTION_HINT_MASK | #endif GDK_POINTER_MOTION_MASK); attributes.width = 1; attributes.height = 1; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual(widget); attributes.window_type = GDK_WINDOW_CHILD; #if defined(MOZ_WIDGET_GTK2) attributes_mask |= GDK_WA_COLORMAP; attributes.colormap = gtk_widget_get_colormap(widget); #endif GdkWindow *window = gdk_window_new(parent, &attributes, attributes_mask); gdk_window_set_user_data(window, widget); // GTK3 TODO? #if defined(MOZ_WIDGET_GTK2) /* set the default pixmap to None so that you don't end up with the gtk default which is BlackPixel. */ gdk_window_set_back_pixmap(window, NULL, FALSE); #endif return window; } nsresult nsWindow::Create(nsIWidget *aParent, nsNativeWidget aNativeParent, const nsIntRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsDeviceContext *aContext, nsWidgetInitData *aInitData) { // only set the base parent if we're going to be a dialog or a // toplevel nsIWidget *baseParent = aInitData && (aInitData->mWindowType == eWindowType_dialog || aInitData->mWindowType == eWindowType_toplevel || aInitData->mWindowType == eWindowType_invisible) ? nsnull : aParent; NS_ASSERTION(!mWindowGroup, "already have window group (leaking it)"); #ifdef ACCESSIBILITY // Send a DBus message to check whether a11y is enabled a11y::PreInit(); #endif // Ensure that the toolkit is created. nsGTKToolkit::GetToolkit(); // initialize all the common bits of this class BaseCreate(baseParent, aRect, aHandleEventFunction, aContext, aInitData); // Do we need to listen for resizes? bool listenForResizes = false;; if (aNativeParent || (aInitData && aInitData->mListenForResizes)) listenForResizes = true; // and do our common creation CommonCreate(aParent, listenForResizes); // save our bounds mBounds = aRect; // figure out our parent window GtkWidget *parentMozContainer = nsnull; GtkContainer *parentGtkContainer = nsnull; GdkWindow *parentGdkWindow = nsnull; GtkWindow *topLevelParent = nsnull; if (aParent) parentGdkWindow = GDK_WINDOW(aParent->GetNativeData(NS_NATIVE_WINDOW)); else if (aNativeParent && GDK_IS_WINDOW(aNativeParent)) parentGdkWindow = GDK_WINDOW(aNativeParent); else if (aNativeParent && GTK_IS_CONTAINER(aNativeParent)) parentGtkContainer = GTK_CONTAINER(aNativeParent); if (parentGdkWindow) { // get the widget for the window - it should be a moz container parentMozContainer = get_gtk_widget_for_gdk_window(parentGdkWindow); if (!IS_MOZ_CONTAINER(parentMozContainer)) return NS_ERROR_FAILURE; // get the toplevel window just in case someone needs to use it // for setting transients or whatever. topLevelParent = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(parentMozContainer))); } // ok, create our windows switch (mWindowType) { case eWindowType_dialog: case eWindowType_popup: case eWindowType_toplevel: case eWindowType_invisible: { mIsTopLevel = true; // We only move a general managed toplevel window if someone has // actually placed the window somewhere. If no placement has taken // place, we just let the window manager Do The Right Thing. // // Indicate that if we're shown, we at least need to have our size set. // If we get explicitly moved, the position will also be set. mNeedsResize = true; nsXPIDLString brandName; GetBrandName(brandName); NS_ConvertUTF16toUTF8 cBrand(brandName); if (mWindowType == eWindowType_dialog) { mShell = gtk_window_new(GTK_WINDOW_TOPLEVEL); SetDefaultIcon(); gtk_window_set_wmclass(GTK_WINDOW(mShell), "Dialog", cBrand.get()); gtk_window_set_type_hint(GTK_WINDOW(mShell), GDK_WINDOW_TYPE_HINT_DIALOG); gtk_window_set_transient_for(GTK_WINDOW(mShell), topLevelParent); mTransientParent = topLevelParent; // add ourselves to the parent window's window group if (!topLevelParent) { gtk_widget_realize(mShell); GdkWindow* dialoglead = gtk_widget_get_window(mShell); gdk_window_set_group(dialoglead, dialoglead); } if (parentGdkWindow) { nsWindow *parentnsWindow = get_window_for_gdk_window(parentGdkWindow); NS_ASSERTION(parentnsWindow, "no nsWindow for parentGdkWindow!"); if (parentnsWindow && parentnsWindow->mWindowGroup) { gtk_window_group_add_window(parentnsWindow->mWindowGroup, GTK_WINDOW(mShell)); // store this in case any children are created mWindowGroup = parentnsWindow->mWindowGroup; g_object_ref(mWindowGroup); LOG(("adding window %p to group %p\n", (void *)mShell, (void *)mWindowGroup)); } } } else if (mWindowType == eWindowType_popup) { // With popup windows, we want to control their position, so don't // wait for the window manager to place them (which wouldn't // happen with override-redirect windows anyway). mNeedsMove = true; // Popups that are not noautohide are only temporary. The are used // for menus and the like and disappear when another window is used. if (!aInitData->mNoAutoHide) { // For most popups, use the standard GtkWindowType // GTK_WINDOW_POPUP, which will use a Window with the // override-redirect attribute (for temporary windows). mShell = gtk_window_new(GTK_WINDOW_POPUP); gtk_window_set_wmclass(GTK_WINDOW(mShell), "Popup", cBrand.get()); } else { // For long-lived windows, their stacking order is managed by // the window manager, as indicated by GTK_WINDOW_TOPLEVEL ... mShell = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_wmclass(GTK_WINDOW(mShell), "Popup", cBrand.get()); // ... but the window manager does not decorate this window, // nor provide a separate taskbar icon. if (mBorderStyle == eBorderStyle_default) { gtk_window_set_decorated(GTK_WINDOW(mShell), FALSE); } else { bool decorate = mBorderStyle & eBorderStyle_title; gtk_window_set_decorated(GTK_WINDOW(mShell), decorate); if (decorate) { gtk_window_set_deletable(GTK_WINDOW(mShell), mBorderStyle & eBorderStyle_close); } } gtk_window_set_skip_taskbar_hint(GTK_WINDOW(mShell), TRUE); // Element focus is managed by the parent window so the // WM_HINTS input field is set to False to tell the window // manager not to set input focus to this window ... gtk_window_set_accept_focus(GTK_WINDOW(mShell), FALSE); #ifdef MOZ_X11 // ... but when the window manager offers focus through // WM_TAKE_FOCUS, focus is requested on the parent window. gtk_widget_realize(mShell); gdk_window_add_filter(gtk_widget_get_window(mShell), popup_take_focus_filter, NULL); #endif } GdkWindowTypeHint gtkTypeHint; if (aInitData->mIsDragPopup) { gtkTypeHint = GDK_WINDOW_TYPE_HINT_DND; } else { switch (aInitData->mPopupHint) { case ePopupTypeMenu: gtkTypeHint = GDK_WINDOW_TYPE_HINT_POPUP_MENU; break; case ePopupTypeTooltip: gtkTypeHint = GDK_WINDOW_TYPE_HINT_TOOLTIP; break; default: gtkTypeHint = GDK_WINDOW_TYPE_HINT_UTILITY; break; } } gtk_window_set_type_hint(GTK_WINDOW(mShell), gtkTypeHint); if (topLevelParent) { gtk_window_set_transient_for(GTK_WINDOW(mShell), topLevelParent); mTransientParent = topLevelParent; GtkWindowGroup *groupParent = gtk_window_get_group(topLevelParent); if (groupParent) { gtk_window_group_add_window(groupParent, GTK_WINDOW(mShell)); mWindowGroup = groupParent; g_object_ref(mWindowGroup); } } } else { // must be eWindowType_toplevel mShell = gtk_window_new(GTK_WINDOW_TOPLEVEL); SetDefaultIcon(); gtk_window_set_wmclass(GTK_WINDOW(mShell), "Toplevel", cBrand.get()); // each toplevel window gets its own window group mWindowGroup = gtk_window_group_new(); // and add ourselves to the window group LOG(("adding window %p to new group %p\n", (void *)mShell, (void *)mWindowGroup)); gtk_window_group_add_window(mWindowGroup, GTK_WINDOW(mShell)); } // create our container GtkWidget *container = moz_container_new(); mContainer = MOZ_CONTAINER(container); gtk_container_add(GTK_CONTAINER(mShell), container); gtk_widget_realize(container); #if defined(MOZ_WIDGET_GTK2) // Don't let GTK mess with the shapes of our GdkWindows GTK_PRIVATE_SET_FLAG(container, GTK_HAS_SHAPE_MASK); #endif // make sure this is the focus widget in the container gtk_window_set_focus(GTK_WINDOW(mShell), container); // the drawing window mGdkWindow = gtk_widget_get_window(container); if (mWindowType == eWindowType_popup) { // gdk does not automatically set the cursor for "temporary" // windows, which are what gtk uses for popups. mCursor = eCursor_wait; // force SetCursor to actually set the // cursor, even though our internal state // indicates that we already have the // standard cursor. SetCursor(eCursor_standard); if (aInitData->mNoAutoHide) { gint wmd = ConvertBorderStyles(mBorderStyle); if (wmd != -1) gdk_window_set_decorations(gtk_widget_get_window(mShell), (GdkWMDecoration) wmd); } } } break; case eWindowType_plugin: case eWindowType_child: { if (parentMozContainer) { mGdkWindow = CreateGdkWindow(parentGdkWindow, parentMozContainer); nsWindow *parentnsWindow = get_window_for_gdk_window(parentGdkWindow); if (parentnsWindow) mHasMappedToplevel = parentnsWindow->mHasMappedToplevel; } else if (parentGtkContainer) { GtkWidget *container = moz_container_new(); mContainer = MOZ_CONTAINER(container); gtk_container_add(parentGtkContainer, container); gtk_widget_realize(container); #if defined(MOZ_WIDGET_GTK2) // Don't let GTK mess with the shapes of our GdkWindows GTK_PRIVATE_SET_FLAG(container, GTK_HAS_SHAPE_MASK); #endif mGdkWindow = gtk_widget_get_window(container); } else { NS_WARNING("Warning: tried to create a new child widget with no parent!"); return NS_ERROR_FAILURE; } } break; default: break; } // Disable the double buffer because it will make the caret crazy // For bug#153805 (Gtk2 double buffer makes carets misbehave) // DirectFB's expose code depends on gtk double buffering // XXX - I think this bug is probably dead, we can just use gtk's // double-buffering everywhere #ifdef MOZ_X11 if (mContainer) gtk_widget_set_double_buffered (GTK_WIDGET(mContainer),FALSE); #endif // label the drawing window with this object so we can find our way home g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", this); if (mContainer) g_object_set_data(G_OBJECT(mContainer), "nsWindow", this); if (mShell) g_object_set_data(G_OBJECT(mShell), "nsWindow", this); // attach listeners for events if (mShell) { g_signal_connect(mShell, "configure_event", G_CALLBACK(configure_event_cb), NULL); g_signal_connect(mShell, "delete_event", G_CALLBACK(delete_event_cb), NULL); g_signal_connect(mShell, "window_state_event", G_CALLBACK(window_state_event_cb), NULL); GtkSettings* default_settings = gtk_settings_get_default(); g_signal_connect_after(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_changed_cb), this); g_signal_connect_after(default_settings, "notify::gtk-font-name", G_CALLBACK(theme_changed_cb), this); #ifdef MOZ_PLATFORM_MAEMO if (mWindowType == eWindowType_toplevel) { GdkWindow *gdkwin = gtk_widget_get_window(mShell); // Tell the Hildon desktop that we support being rotated gulong portrait_set = 1; GdkAtom support = gdk_atom_intern("_HILDON_PORTRAIT_MODE_SUPPORT", FALSE); gdk_property_change(gdkwin, support, gdk_x11_xatom_to_atom(XA_CARDINAL), 32, GDK_PROP_MODE_REPLACE, (const guchar *) &portrait_set, 1); // Tell maemo-status-volume daemon to ungrab keys gulong volume_set = 1; GdkAtom keys = gdk_atom_intern("_HILDON_ZOOM_KEY_ATOM", FALSE); gdk_property_change(gdkwin, keys, gdk_x11_xatom_to_atom(XA_INTEGER), 32, GDK_PROP_MODE_REPLACE, (const guchar *) &volume_set, 1); } #endif } if (mContainer) { g_signal_connect(mContainer, "unrealize", G_CALLBACK(container_unrealize_cb), NULL); g_signal_connect_after(mContainer, "size_allocate", G_CALLBACK(size_allocate_cb), NULL); #if defined(MOZ_WIDGET_GTK2) g_signal_connect(mContainer, "expose_event", G_CALLBACK(expose_event_cb), NULL); #else g_signal_connect(G_OBJECT(mContainer), "draw", G_CALLBACK(expose_event_cb), NULL); #endif g_signal_connect(mContainer, "enter_notify_event", G_CALLBACK(enter_notify_event_cb), NULL); g_signal_connect(mContainer, "leave_notify_event", G_CALLBACK(leave_notify_event_cb), NULL); g_signal_connect(mContainer, "motion_notify_event", G_CALLBACK(motion_notify_event_cb), NULL); g_signal_connect(mContainer, "button_press_event", G_CALLBACK(button_press_event_cb), NULL); g_signal_connect(mContainer, "button_release_event", G_CALLBACK(button_release_event_cb), NULL); g_signal_connect(mContainer, "focus_in_event", G_CALLBACK(focus_in_event_cb), NULL); g_signal_connect(mContainer, "focus_out_event", G_CALLBACK(focus_out_event_cb), NULL); g_signal_connect(mContainer, "key_press_event", G_CALLBACK(key_press_event_cb), NULL); g_signal_connect(mContainer, "key_release_event", G_CALLBACK(key_release_event_cb), NULL); g_signal_connect(mContainer, "scroll_event", G_CALLBACK(scroll_event_cb), NULL); g_signal_connect(mContainer, "visibility_notify_event", G_CALLBACK(visibility_notify_event_cb), NULL); g_signal_connect(mContainer, "hierarchy_changed", G_CALLBACK(hierarchy_changed_cb), NULL); // Initialize mHasMappedToplevel. hierarchy_changed_cb(GTK_WIDGET(mContainer), NULL); gtk_drag_dest_set((GtkWidget *)mContainer, (GtkDestDefaults)0, NULL, 0, (GdkDragAction)0); g_signal_connect(mContainer, "drag_motion", G_CALLBACK(drag_motion_event_cb), NULL); g_signal_connect(mContainer, "drag_leave", G_CALLBACK(drag_leave_event_cb), NULL); g_signal_connect(mContainer, "drag_drop", G_CALLBACK(drag_drop_event_cb), NULL); g_signal_connect(mContainer, "drag_data_received", G_CALLBACK(drag_data_received_event_cb), NULL); // We create input contexts for all containers, except for // toplevel popup windows if (mWindowType != eWindowType_popup) { mIMModule = new nsGtkIMModule(this); } } else if (!mIMModule) { nsWindow *container = GetContainerWindow(); if (container) { mIMModule = container->mIMModule; } } LOG(("nsWindow [%p]\n", (void *)this)); if (mShell) { LOG(("\tmShell %p %p %lx\n", (void *)mShell, (void *)gtk_widget_get_window(mShell), gdk_x11_window_get_xid(gtk_widget_get_window(mShell)))); } if (mContainer) { LOG(("\tmContainer %p %p %lx\n", (void *)mContainer, (void *)gtk_widget_get_window(GTK_WIDGET(mContainer)), gdk_x11_window_get_xid(gtk_widget_get_window(GTK_WIDGET(mContainer))))); } else if (mGdkWindow) { LOG(("\tmGdkWindow %p %lx\n", (void *)mGdkWindow, gdk_x11_window_get_xid(mGdkWindow))); } // resize so that everything is set to the right dimensions if (!mIsTopLevel) Resize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false); return NS_OK; } NS_IMETHODIMP nsWindow::SetWindowClass(const nsAString &xulWinType) { if (!mShell) return NS_ERROR_FAILURE; #ifdef MOZ_X11 nsXPIDLString brandName; GetBrandName(brandName); XClassHint *class_hint = XAllocClassHint(); if (!class_hint) return NS_ERROR_OUT_OF_MEMORY; const char *role = NULL; class_hint->res_name = ToNewCString(xulWinType); if (!class_hint->res_name) { XFree(class_hint); return NS_ERROR_OUT_OF_MEMORY; } class_hint->res_class = ToNewCString(brandName); if (!class_hint->res_class) { nsMemory::Free(class_hint->res_name); XFree(class_hint); return NS_ERROR_OUT_OF_MEMORY; } // Parse res_name into a name and role. Characters other than // [A-Za-z0-9_-] are converted to '_'. Anything after the first // colon is assigned to role; if there's no colon, assign the // whole thing to both role and res_name. for (char *c = class_hint->res_name; *c; c++) { if (':' == *c) { *c = 0; role = c + 1; } else if (!isascii(*c) || (!isalnum(*c) && ('_' != *c) && ('-' != *c))) *c = '_'; } class_hint->res_name[0] = toupper(class_hint->res_name[0]); if (!role) role = class_hint->res_name; GdkWindow *shellWindow = gtk_widget_get_window(GTK_WIDGET(mShell)); gdk_window_set_role(shellWindow, role); // Can't use gtk_window_set_wmclass() for this; it prints // a warning & refuses to make the change. XSetClassHint(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), gdk_x11_window_get_xid(shellWindow), class_hint); nsMemory::Free(class_hint->res_class); nsMemory::Free(class_hint->res_name); XFree(class_hint); #else /* MOZ_X11 */ char *res_name; res_name = ToNewCString(xulWinType); if (!res_name) return NS_ERROR_OUT_OF_MEMORY; printf("WARN: res_name = '%s'\n", res_name); const char *role = NULL; // Parse res_name into a name and role. Characters other than // [A-Za-z0-9_-] are converted to '_'. Anything after the first // colon is assigned to role; if there's no colon, assign the // whole thing to both role and res_name. for (char *c = res_name; *c; c++) { if (':' == *c) { *c = 0; role = c + 1; } else if (!isascii(*c) || (!isalnum(*c) && ('_' != *c) && ('-' != *c))) *c = '_'; } res_name[0] = toupper(res_name[0]); if (!role) role = res_name; gdk_window_set_role(gtk_widget_get_window(GTK_WIDGET(mShell)), role); nsMemory::Free(res_name); #endif /* MOZ_X11 */ return NS_OK; } void nsWindow::NativeResize(PRInt32 aWidth, PRInt32 aHeight, bool aRepaint) { LOG(("nsWindow::NativeResize [%p] %d %d\n", (void *)this, aWidth, aHeight)); ResizeTransparencyBitmap(aWidth, aHeight); // clear our resize flag mNeedsResize = false; if (mIsTopLevel) { gtk_window_resize(GTK_WINDOW(mShell), aWidth, aHeight); } else if (mContainer) { GtkWidget *widget = GTK_WIDGET(mContainer); GtkAllocation allocation, prev_allocation; gtk_widget_get_allocation(widget, &prev_allocation); allocation.x = prev_allocation.x; allocation.y = prev_allocation.y; allocation.width = aWidth; allocation.height = aHeight; gtk_widget_size_allocate(widget, &allocation); } else if (mGdkWindow) { gdk_window_resize(mGdkWindow, aWidth, aHeight); } } void nsWindow::NativeResize(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, bool aRepaint) { mNeedsResize = false; mNeedsMove = false; LOG(("nsWindow::NativeResize [%p] %d %d %d %d\n", (void *)this, aX, aY, aWidth, aHeight)); ResizeTransparencyBitmap(aWidth, aHeight); if (mIsTopLevel) { // aX and aY give the position of the window manager frame top-left. gtk_window_move(GTK_WINDOW(mShell), aX, aY); // This sets the client window size. gtk_window_resize(GTK_WINDOW(mShell), aWidth, aHeight); } else if (mContainer) { GtkAllocation allocation; allocation.x = aX; allocation.y = aY; allocation.width = aWidth; allocation.height = aHeight; gtk_widget_size_allocate(GTK_WIDGET(mContainer), &allocation); } else if (mGdkWindow) { gdk_window_move_resize(mGdkWindow, aX, aY, aWidth, aHeight); } } void nsWindow::NativeShow (bool aAction) { if (aAction) { // GTK wants us to set the window mask before we show the window // for the first time, or setting the mask later won't work. // GTK also wants us to NOT set the window mask if we're not really // going to need it, because GTK won't let us unset the mask properly // later. // So, we delay setting the mask until the last moment: when the window // is shown. // XXX that may or may not be true for GTK+ 2.x if (mTransparencyBitmap) { ApplyTransparencyBitmap(); } // unset our flag now that our window has been shown mNeedsShow = false; if (mIsTopLevel) { // Set up usertime/startupID metadata for the created window. if (mWindowType != eWindowType_invisible) { SetUserTimeAndStartupIDForActivatedWindow(mShell); } gtk_widget_show(GTK_WIDGET(mContainer)); gtk_widget_show(mShell); } else if (mContainer) { gtk_widget_show(GTK_WIDGET(mContainer)); } else if (mGdkWindow) { gdk_window_show_unraised(mGdkWindow); } } else { if (mIsTopLevel) { gtk_widget_hide(GTK_WIDGET(mShell)); gtk_widget_hide(GTK_WIDGET(mContainer)); } else if (mContainer) { gtk_widget_hide(GTK_WIDGET(mContainer)); } else if (mGdkWindow) { gdk_window_hide(mGdkWindow); } } } void nsWindow::SetHasMappedToplevel(bool aState) { // Even when aState == mHasMappedToplevel (as when this method is called // from Show()), child windows need to have their state checked, so don't // return early. bool oldState = mHasMappedToplevel; mHasMappedToplevel = aState; // mHasMappedToplevel is not updated for children of windows that are // hidden; GDK knows not to send expose events for these windows. The // state is recorded on the hidden window itself, but, for child trees of // hidden windows, their state essentially becomes disconnected from their // hidden parent. When the hidden parent gets shown, the child trees are // reconnected, and the state of the window being shown can be easily // propagated. if (!mIsShown || !mGdkWindow) return; if (aState && !oldState && !mIsFullyObscured) { // GDK_EXPOSE events have been ignored but the window is now visible, // so make sure GDK doesn't think that the window has already been // painted. gdk_window_invalidate_rect(mGdkWindow, NULL, FALSE); // Check that a grab didn't fail due to the window not being // viewable. EnsureGrabs(); } for (GList *children = gdk_window_peek_children(mGdkWindow); children; children = children->next) { GdkWindow *gdkWin = GDK_WINDOW(children->data); nsWindow *child = get_window_for_gdk_window(gdkWin); if (child && child->mHasMappedToplevel != aState) { child->SetHasMappedToplevel(aState); } } } nsIntSize nsWindow::GetSafeWindowSize(nsIntSize aSize) { nsIntSize result = aSize; const PRInt32 kInt16Max = 32767; if (result.width > kInt16Max) { NS_WARNING("Clamping huge window width"); result.width = kInt16Max; } if (result.height > kInt16Max) { NS_WARNING("Clamping huge window height"); result.height = kInt16Max; } return result; } void nsWindow::EnsureGrabs(void) { if (mRetryPointerGrab) GrabPointer(sRetryGrabTime); } void nsWindow::SetTransparencyMode(nsTransparencyMode aMode) { if (!mShell) { // Pass the request to the toplevel window GtkWidget *topWidget = nsnull; GetToplevelWidget(&topWidget); if (!topWidget) return; nsWindow *topWindow = get_window_for_gtk_widget(topWidget); if (!topWindow) return; topWindow->SetTransparencyMode(aMode); return; } bool isTransparent = aMode == eTransparencyTransparent; if (mIsTransparent == isTransparent) return; if (!isTransparent) { if (mTransparencyBitmap) { delete[] mTransparencyBitmap; mTransparencyBitmap = nsnull; mTransparencyBitmapWidth = 0; mTransparencyBitmapHeight = 0; #if defined(MOZ_WIDGET_GTK2) gtk_widget_reset_shapes(mShell); #else // GTK3 TODO #endif } } // else the new default alpha values are "all 1", so we don't // need to change anything yet mIsTransparent = isTransparent; } nsTransparencyMode nsWindow::GetTransparencyMode() { if (!mShell) { // Pass the request to the toplevel window GtkWidget *topWidget = nsnull; GetToplevelWidget(&topWidget); if (!topWidget) { return eTransparencyOpaque; } nsWindow *topWindow = get_window_for_gtk_widget(topWidget); if (!topWindow) { return eTransparencyOpaque; } return topWindow->GetTransparencyMode(); } return mIsTransparent ? eTransparencyTransparent : eTransparencyOpaque; } nsresult nsWindow::ConfigureChildren(const nsTArray& aConfigurations) { for (PRUint32 i = 0; i < aConfigurations.Length(); ++i) { const Configuration& configuration = aConfigurations[i]; nsWindow* w = static_cast(configuration.mChild); NS_ASSERTION(w->GetParent() == this, "Configured widget is not a child"); w->SetWindowClipRegion(configuration.mClipRegion, true); if (w->mBounds.Size() != configuration.mBounds.Size()) { w->Resize(configuration.mBounds.x, configuration.mBounds.y, configuration.mBounds.width, configuration.mBounds.height, true); } else if (w->mBounds.TopLeft() != configuration.mBounds.TopLeft()) { w->Move(configuration.mBounds.x, configuration.mBounds.y); } w->SetWindowClipRegion(configuration.mClipRegion, false); } return NS_OK; } static pixman_box32 ToPixmanBox(const nsIntRect& aRect) { pixman_box32_t result; result.x1 = aRect.x; result.y1 = aRect.y; result.x2 = aRect.XMost(); result.y2 = aRect.YMost(); return result; } static nsIntRect ToIntRect(const pixman_box32& aBox) { nsIntRect result; result.x = aBox.x1; result.y = aBox.y1; result.width = aBox.x2 - aBox.x1; result.height = aBox.y2 - aBox.y1; return result; } static void InitRegion(pixman_region32* aRegion, const nsTArray& aRects) { nsAutoTArray rects; rects.SetCapacity(aRects.Length()); for (PRUint32 i = 0; i < aRects.Length (); ++i) { if (!aRects[i].IsEmpty()) { rects.AppendElement(ToPixmanBox(aRects[i])); } } pixman_region32_init_rects(aRegion, rects.Elements(), rects.Length()); } static void GetIntRects(pixman_region32& aRegion, nsTArray* aRects) { int nRects; pixman_box32* boxes = pixman_region32_rectangles(&aRegion, &nRects); aRects->SetCapacity(aRects->Length() + nRects); for (int i = 0; i < nRects; ++i) { aRects->AppendElement(ToIntRect(boxes[i])); } } void nsWindow::SetWindowClipRegion(const nsTArray& aRects, bool aIntersectWithExisting) { const nsTArray* newRects = &aRects; nsAutoTArray intersectRects; if (aIntersectWithExisting) { nsAutoTArray existingRects; GetWindowClipRegion(&existingRects); nsAutoRef existingRegion; InitRegion(&existingRegion, existingRects); nsAutoRef newRegion; InitRegion(&newRegion, aRects); nsAutoRef intersectRegion; pixman_region32_init(&intersectRegion); pixman_region32_intersect(&intersectRegion, &newRegion, &existingRegion); // If mClipRects is null we haven't set a clip rect yet, so we // need to set the clip even if it is equal. if (mClipRects && pixman_region32_equal(&intersectRegion, &existingRegion)) { return; } if (!pixman_region32_equal(&intersectRegion, &newRegion)) { GetIntRects(intersectRegion, &intersectRects); newRects = &intersectRects; } } if (!StoreWindowClipRegion(*newRects)) return; if (!mGdkWindow) return; #if defined(MOZ_WIDGET_GTK2) GdkRegion *region = gdk_region_new(); // aborts on OOM for (PRUint32 i = 0; i < newRects->Length(); ++i) { const nsIntRect& r = newRects->ElementAt(i); GdkRectangle rect = { r.x, r.y, r.width, r.height }; gdk_region_union_with_rect(region, &rect); } gdk_window_shape_combine_region(mGdkWindow, region, 0, 0); gdk_region_destroy(region); #else cairo_region_t *region = cairo_region_create(); for (PRUint32 i = 0; i < newRects->Length(); ++i) { const nsIntRect& r = newRects->ElementAt(i); cairo_rectangle_int_t rect = { r.x, r.y, r.width, r.height }; cairo_region_union_rectangle(region, &rect); } gdk_window_shape_combine_region(mGdkWindow, region, 0, 0); cairo_region_destroy(region); #endif return; } void nsWindow::ResizeTransparencyBitmap(PRInt32 aNewWidth, PRInt32 aNewHeight) { if (!mTransparencyBitmap) return; if (aNewWidth == mTransparencyBitmapWidth && aNewHeight == mTransparencyBitmapHeight) return; PRInt32 newSize = GetBitmapStride(aNewWidth)*aNewHeight; gchar* newBits = new gchar[newSize]; if (!newBits) { delete[] mTransparencyBitmap; mTransparencyBitmap = nsnull; mTransparencyBitmapWidth = 0; mTransparencyBitmapHeight = 0; return; } // fill new mask with "opaque", first memset(newBits, 255, newSize); // Now copy the intersection of the old and new areas into the new mask PRInt32 copyWidth = NS_MIN(aNewWidth, mTransparencyBitmapWidth); PRInt32 copyHeight = NS_MIN(aNewHeight, mTransparencyBitmapHeight); PRInt32 oldRowBytes = GetBitmapStride(mTransparencyBitmapWidth); PRInt32 newRowBytes = GetBitmapStride(aNewWidth); PRInt32 copyBytes = GetBitmapStride(copyWidth); PRInt32 i; gchar* fromPtr = mTransparencyBitmap; gchar* toPtr = newBits; for (i = 0; i < copyHeight; i++) { memcpy(toPtr, fromPtr, copyBytes); fromPtr += oldRowBytes; toPtr += newRowBytes; } delete[] mTransparencyBitmap; mTransparencyBitmap = newBits; mTransparencyBitmapWidth = aNewWidth; mTransparencyBitmapHeight = aNewHeight; } static bool ChangedMaskBits(gchar* aMaskBits, PRInt32 aMaskWidth, PRInt32 aMaskHeight, const nsIntRect& aRect, PRUint8* aAlphas, PRInt32 aStride) { PRInt32 x, y, xMax = aRect.XMost(), yMax = aRect.YMost(); PRInt32 maskBytesPerRow = GetBitmapStride(aMaskWidth); for (y = aRect.y; y < yMax; y++) { gchar* maskBytes = aMaskBits + y*maskBytesPerRow; PRUint8* alphas = aAlphas; for (x = aRect.x; x < xMax; x++) { bool newBit = *alphas > 0; alphas++; gchar maskByte = maskBytes[x >> 3]; bool maskBit = (maskByte & (1 << (x & 7))) != 0; if (maskBit != newBit) { return true; } } aAlphas += aStride; } return false; } static void UpdateMaskBits(gchar* aMaskBits, PRInt32 aMaskWidth, PRInt32 aMaskHeight, const nsIntRect& aRect, PRUint8* aAlphas, PRInt32 aStride) { PRInt32 x, y, xMax = aRect.XMost(), yMax = aRect.YMost(); PRInt32 maskBytesPerRow = GetBitmapStride(aMaskWidth); for (y = aRect.y; y < yMax; y++) { gchar* maskBytes = aMaskBits + y*maskBytesPerRow; PRUint8* alphas = aAlphas; for (x = aRect.x; x < xMax; x++) { bool newBit = *alphas > 0; alphas++; gchar mask = 1 << (x & 7); gchar maskByte = maskBytes[x >> 3]; // Note: '-newBit' turns 0 into 00...00 and 1 into 11...11 maskBytes[x >> 3] = (maskByte & ~mask) | (-newBit & mask); } aAlphas += aStride; } } void nsWindow::ApplyTransparencyBitmap() { #ifdef MOZ_X11 // We use X11 calls where possible, because GDK handles expose events // for shaped windows in a way that's incompatible with us (Bug 635903). // It doesn't occur when the shapes are set through X. GdkWindow *shellWindow = gtk_widget_get_window(mShell); Display* xDisplay = GDK_WINDOW_XDISPLAY(shellWindow); Window xDrawable = GDK_WINDOW_XID(shellWindow); Pixmap maskPixmap = XCreateBitmapFromData(xDisplay, xDrawable, mTransparencyBitmap, mTransparencyBitmapWidth, mTransparencyBitmapHeight); XShapeCombineMask(xDisplay, xDrawable, ShapeBounding, 0, 0, maskPixmap, ShapeSet); XFreePixmap(xDisplay, maskPixmap); #else #if defined(MOZ_WIDGET_GTK2) gtk_widget_reset_shapes(mShell); GdkBitmap* maskBitmap = gdk_bitmap_create_from_data(gtk_widget_get_window(mShell), mTransparencyBitmap, mTransparencyBitmapWidth, mTransparencyBitmapHeight); if (!maskBitmap) return; gtk_widget_shape_combine_mask(mShell, maskBitmap, 0, 0); g_object_unref(maskBitmap); #else cairo_surface_t *maskBitmap; maskBitmap = cairo_image_surface_create_for_data((unsigned char*)mTransparencyBitmap, CAIRO_FORMAT_A1, mTransparencyBitmapWidth, mTransparencyBitmapHeight, GetBitmapStride(mTransparencyBitmapWidth)); if (!maskBitmap) return; cairo_region_t * maskRegion = gdk_cairo_region_create_from_surface(maskBitmap); gtk_widget_shape_combine_region(mShell, maskRegion); cairo_region_destroy(maskRegion); cairo_surface_destroy(maskBitmap); #endif // MOZ_WIDGET_GTK2 #endif // MOZ_X11 } nsresult nsWindow::UpdateTranslucentWindowAlphaInternal(const nsIntRect& aRect, PRUint8* aAlphas, PRInt32 aStride) { if (!mShell) { // Pass the request to the toplevel window GtkWidget *topWidget = nsnull; GetToplevelWidget(&topWidget); if (!topWidget) return NS_ERROR_FAILURE; nsWindow *topWindow = get_window_for_gtk_widget(topWidget); if (!topWindow) return NS_ERROR_FAILURE; return topWindow->UpdateTranslucentWindowAlphaInternal(aRect, aAlphas, aStride); } NS_ASSERTION(mIsTransparent, "Window is not transparent"); if (mTransparencyBitmap == nsnull) { PRInt32 size = GetBitmapStride(mBounds.width)*mBounds.height; mTransparencyBitmap = new gchar[size]; if (mTransparencyBitmap == nsnull) return NS_ERROR_FAILURE; memset(mTransparencyBitmap, 255, size); mTransparencyBitmapWidth = mBounds.width; mTransparencyBitmapHeight = mBounds.height; } NS_ASSERTION(aRect.x >= 0 && aRect.y >= 0 && aRect.XMost() <= mBounds.width && aRect.YMost() <= mBounds.height, "Rect is out of window bounds"); if (!ChangedMaskBits(mTransparencyBitmap, mBounds.width, mBounds.height, aRect, aAlphas, aStride)) // skip the expensive stuff if the mask bits haven't changed; hopefully // this is the common case return NS_OK; UpdateMaskBits(mTransparencyBitmap, mBounds.width, mBounds.height, aRect, aAlphas, aStride); if (!mNeedsShow) { ApplyTransparencyBitmap(); } return NS_OK; } void nsWindow::GrabPointer(guint32 aTime) { LOG(("GrabPointer time=0x%08x retry=%d\n", (unsigned int)aTime, mRetryPointerGrab)); mRetryPointerGrab = false; sRetryGrabTime = aTime; // If the window isn't visible, just set the flag to retry the // grab. When this window becomes visible, the grab will be // retried. if (!mHasMappedToplevel || mIsFullyObscured) { LOG(("GrabPointer: window not visible\n")); mRetryPointerGrab = true; return; } if (!mGdkWindow) return; gint retval; retval = gdk_pointer_grab(mGdkWindow, TRUE, (GdkEventMask)(GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | #ifdef HAVE_GTK_MOTION_HINTS GDK_POINTER_MOTION_HINT_MASK | #endif GDK_POINTER_MOTION_MASK), (GdkWindow *)NULL, NULL, aTime); if (retval == GDK_GRAB_NOT_VIEWABLE) { LOG(("GrabPointer: window not viewable; will retry\n")); mRetryPointerGrab = true; } else if (retval != GDK_GRAB_SUCCESS) { LOG(("GrabPointer: pointer grab failed: %i\n", retval)); // A failed grab indicates that another app has grabbed the pointer. // Check for rollup now, because, without the grab, we likely won't // get subsequent button press events. check_for_rollup(0, 0, false, true); } } void nsWindow::ReleaseGrabs(void) { LOG(("ReleaseGrabs\n")); mRetryPointerGrab = false; gdk_pointer_ungrab(GDK_CURRENT_TIME); } void nsWindow::GetToplevelWidget(GtkWidget **aWidget) { *aWidget = nsnull; if (mShell) { *aWidget = mShell; return; } GtkWidget *widget = GetMozContainerWidget(); if (!widget) return; *aWidget = gtk_widget_get_toplevel(widget); } GtkWidget * nsWindow::GetMozContainerWidget() { if (!mGdkWindow) return NULL; GtkWidget *owningWidget = get_gtk_widget_for_gdk_window(mGdkWindow); return owningWidget; } nsWindow * nsWindow::GetContainerWindow() { GtkWidget *owningWidget = GetMozContainerWidget(); if (!owningWidget) return nsnull; nsWindow *window = get_window_for_gtk_widget(owningWidget); NS_ASSERTION(window, "No nsWindow for container widget"); return window; } void nsWindow::SetUrgencyHint(GtkWidget *top_window, bool state) { if (!top_window) return; gdk_window_set_urgency_hint(gtk_widget_get_window(top_window), state); } void * nsWindow::SetupPluginPort(void) { if (!mGdkWindow) return nsnull; if (gdk_window_is_destroyed(mGdkWindow) == TRUE) return nsnull; Window window = gdk_x11_window_get_xid(mGdkWindow); // we have to flush the X queue here so that any plugins that // might be running on separate X connections will be able to use // this window in case it was just created #ifdef MOZ_X11 XWindowAttributes xattrs; Display *display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default()); XGetWindowAttributes(display, window, &xattrs); XSelectInput (display, window, xattrs.your_event_mask | SubstructureNotifyMask); gdk_window_add_filter(mGdkWindow, plugin_window_filter_func, this); XSync(display, False); #endif /* MOZ_X11 */ return (void *)window; } void nsWindow::SetDefaultIcon(void) { SetIcon(NS_LITERAL_STRING("default")); } void nsWindow::SetPluginType(PluginType aPluginType) { mPluginType = aPluginType; } #ifdef MOZ_X11 void nsWindow::SetNonXEmbedPluginFocus() { if (gPluginFocusWindow == this || mPluginType!=PluginType_NONXEMBED) { return; } if (gPluginFocusWindow) { nsRefPtr kungFuDeathGrip = gPluginFocusWindow; gPluginFocusWindow->LoseNonXEmbedPluginFocus(); } LOGFOCUS(("nsWindow::SetNonXEmbedPluginFocus\n")); Window curFocusWindow; int focusState; GdkDisplay *gdkDisplay = gdk_window_get_display(mGdkWindow); XGetInputFocus(gdk_x11_display_get_xdisplay(gdkDisplay), &curFocusWindow, &focusState); LOGFOCUS(("\t curFocusWindow=%p\n", curFocusWindow)); GdkWindow* toplevel = gdk_window_get_toplevel(mGdkWindow); #if defined(MOZ_WIDGET_GTK2) GdkWindow *gdkfocuswin = gdk_window_lookup(curFocusWindow); #else GdkWindow *gdkfocuswin = gdk_x11_window_lookup_for_display(gdkDisplay, curFocusWindow); #endif // lookup with the focus proxy window is supposed to get the // same GdkWindow as toplevel. If the current focused window // is not the focus proxy, we return without any change. if (gdkfocuswin != toplevel) { return; } // switch the focus from the focus proxy to the plugin window mOldFocusWindow = curFocusWindow; XRaiseWindow(GDK_WINDOW_XDISPLAY(mGdkWindow), gdk_x11_window_get_xid(mGdkWindow)); gdk_error_trap_push(); XSetInputFocus(GDK_WINDOW_XDISPLAY(mGdkWindow), gdk_x11_window_get_xid(mGdkWindow), RevertToNone, CurrentTime); gdk_flush(); gdk_error_trap_pop(); gPluginFocusWindow = this; gdk_window_add_filter(NULL, plugin_client_message_filter, this); LOGFOCUS(("nsWindow::SetNonXEmbedPluginFocus oldfocus=%p new=%p\n", mOldFocusWindow, gdk_x11_window_get_xid(mGdkWindow))); } void nsWindow::LoseNonXEmbedPluginFocus() { LOGFOCUS(("nsWindow::LoseNonXEmbedPluginFocus\n")); // This method is only for the nsWindow which contains a // Non-XEmbed plugin, for example, JAVA plugin. if (gPluginFocusWindow != this || mPluginType!=PluginType_NONXEMBED) { return; } Window curFocusWindow; int focusState; XGetInputFocus(GDK_WINDOW_XDISPLAY(mGdkWindow), &curFocusWindow, &focusState); // we only switch focus between plugin window and focus proxy. If the // current focused window is not the plugin window, just removing the // event filter that blocks the WM_TAKE_FOCUS is enough. WM and gtk2 // will take care of the focus later. if (!curFocusWindow || curFocusWindow == gdk_x11_window_get_xid(mGdkWindow)) { gdk_error_trap_push(); XRaiseWindow(GDK_WINDOW_XDISPLAY(mGdkWindow), mOldFocusWindow); XSetInputFocus(GDK_WINDOW_XDISPLAY(mGdkWindow), mOldFocusWindow, RevertToParent, CurrentTime); gdk_flush(); gdk_error_trap_pop(); } gPluginFocusWindow = NULL; mOldFocusWindow = 0; gdk_window_remove_filter(NULL, plugin_client_message_filter, this); LOGFOCUS(("nsWindow::LoseNonXEmbedPluginFocus end\n")); } #endif /* MOZ_X11 */ gint nsWindow::ConvertBorderStyles(nsBorderStyle aStyle) { gint w = 0; if (aStyle == eBorderStyle_default) return -1; // note that we don't handle eBorderStyle_close yet if (aStyle & eBorderStyle_all) w |= GDK_DECOR_ALL; if (aStyle & eBorderStyle_border) w |= GDK_DECOR_BORDER; if (aStyle & eBorderStyle_resizeh) w |= GDK_DECOR_RESIZEH; if (aStyle & eBorderStyle_title) w |= GDK_DECOR_TITLE; if (aStyle & eBorderStyle_menu) w |= GDK_DECOR_MENU; if (aStyle & eBorderStyle_minimize) w |= GDK_DECOR_MINIMIZE; if (aStyle & eBorderStyle_maximize) w |= GDK_DECOR_MAXIMIZE; return w; } NS_IMETHODIMP nsWindow::MakeFullScreen(bool aFullScreen) { LOG(("nsWindow::MakeFullScreen [%p] aFullScreen %d\n", (void *)this, aFullScreen)); if (aFullScreen) { if (mSizeMode != nsSizeMode_Fullscreen) mLastSizeMode = mSizeMode; mSizeMode = nsSizeMode_Fullscreen; gtk_window_fullscreen(GTK_WINDOW(mShell)); } else { mSizeMode = mLastSizeMode; gtk_window_unfullscreen(GTK_WINDOW(mShell)); } NS_ASSERTION(mLastSizeMode != nsSizeMode_Fullscreen, "mLastSizeMode should never be fullscreen"); return NS_OK; } NS_IMETHODIMP nsWindow::HideWindowChrome(bool aShouldHide) { if (!mShell) { // Pass the request to the toplevel window GtkWidget *topWidget = nsnull; GetToplevelWidget(&topWidget); if (!topWidget) return NS_ERROR_FAILURE; nsWindow *topWindow = get_window_for_gtk_widget(topWidget); if (!topWindow) return NS_ERROR_FAILURE; return topWindow->HideWindowChrome(aShouldHide); } // Sawfish, metacity, and presumably other window managers get // confused if we change the window decorations while the window // is visible. bool wasVisible = false; GdkWindow *shellWindow = gtk_widget_get_window(mShell); if (gdk_window_is_visible(shellWindow)) { gdk_window_hide(shellWindow); wasVisible = true; } gint wmd; if (aShouldHide) wmd = 0; else wmd = ConvertBorderStyles(mBorderStyle); if (wmd != -1) gdk_window_set_decorations(shellWindow, (GdkWMDecoration) wmd); if (wasVisible) gdk_window_show(shellWindow); // For some window managers, adding or removing window decorations // requires unmapping and remapping our toplevel window. Go ahead // and flush the queue here so that we don't end up with a BadWindow // error later when this happens (when the persistence timer fires // and GetWindowPos is called) #ifdef MOZ_X11 XSync(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()) , False); #else gdk_flush (); #endif /* MOZ_X11 */ return NS_OK; } static bool check_for_rollup(gdouble aMouseX, gdouble aMouseY, bool aIsWheel, bool aAlwaysRollup) { bool retVal = false; nsCOMPtr rollupWidget = do_QueryReferent(gRollupWindow); if (rollupWidget && gRollupListener) { GdkWindow *currentPopup = (GdkWindow *)rollupWidget->GetNativeData(NS_NATIVE_WINDOW); if (aAlwaysRollup || !is_mouse_in_window(currentPopup, aMouseX, aMouseY)) { bool rollup = true; if (aIsWheel) { rollup = gRollupListener->ShouldRollupOnMouseWheelEvent(); retVal = 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 PRUint32 popupsToRollup = PR_UINT32_MAX; if (!aAlwaysRollup) { nsAutoTArray widgetChain; PRUint32 sameTypeCount = gRollupListener->GetSubmenuWidgetChain(&widgetChain); for (PRUint32 i=0; iGetNativeData(NS_NATIVE_WINDOW); if (is_mouse_in_window(currWindow, aMouseX, aMouseY)) { // don't roll up if the mouse event occurred within a // menu of the same type. If the mouse event occurred // in a menu higher than that, roll up, but pass the // number of popups to Rollup so that only those of the // same type close up. if (i < sameTypeCount) { rollup = false; } else { popupsToRollup = sameTypeCount; } break; } } // foreach parent menu widget } // if rollup listener knows about menus // if we've determined that we should still rollup, do it. if (rollup) { gRollupListener->Rollup(popupsToRollup); if (popupsToRollup == PR_UINT32_MAX) { retVal = true; } } } } else { gRollupWindow = nsnull; gRollupListener = nsnull; } return retVal; } /* static */ bool nsWindow::DragInProgress(void) { // sLastDragMotionWindow means the drag arrow is over mozilla // sIsDraggingOutOf means the drag arrow is out of mozilla // both cases mean the dragging is happenning. return (sLastDragMotionWindow || sIsDraggingOutOf); } static bool is_mouse_in_window (GdkWindow* aWindow, gdouble aMouseX, gdouble aMouseY) { gint x = 0; gint y = 0; gint w, h; gint offsetX = 0; gint offsetY = 0; GdkWindow *window = aWindow; while (window) { gint tmpX = 0; gint tmpY = 0; gdk_window_get_position(window, &tmpX, &tmpY); GtkWidget *widget = get_gtk_widget_for_gdk_window(window); // if this is a window, compute x and y given its origin and our // offset if (GTK_IS_WINDOW(widget)) { x = tmpX + offsetX; y = tmpY + offsetY; break; } offsetX += tmpX; offsetY += tmpY; window = gdk_window_get_parent(window); } #if defined(MOZ_WIDGET_GTK2) gdk_drawable_get_size(aWindow, &w, &h); #else w = gdk_window_get_width(aWindow); h = gdk_window_get_height(aWindow); #endif if (aMouseX > x && aMouseX < x + w && aMouseY > y && aMouseY < y + h) return true; return false; } static nsWindow * get_window_for_gtk_widget(GtkWidget *widget) { gpointer user_data = g_object_get_data(G_OBJECT(widget), "nsWindow"); return static_cast(user_data); } static nsWindow * get_window_for_gdk_window(GdkWindow *window) { gpointer user_data = g_object_get_data(G_OBJECT(window), "nsWindow"); return static_cast(user_data); } static GtkWidget * get_gtk_widget_for_gdk_window(GdkWindow *window) { gpointer user_data = NULL; gdk_window_get_user_data(window, &user_data); return GTK_WIDGET(user_data); } static GdkCursor * get_gtk_cursor(nsCursor aCursor) { GdkCursor *gdkcursor = nsnull; PRUint8 newType = 0xff; if ((gdkcursor = gCursorCache[aCursor])) { return gdkcursor; } switch (aCursor) { case eCursor_standard: gdkcursor = gdk_cursor_new(GDK_LEFT_PTR); break; case eCursor_wait: gdkcursor = gdk_cursor_new(GDK_WATCH); break; case eCursor_select: gdkcursor = gdk_cursor_new(GDK_XTERM); break; case eCursor_hyperlink: gdkcursor = gdk_cursor_new(GDK_HAND2); break; case eCursor_n_resize: gdkcursor = gdk_cursor_new(GDK_TOP_SIDE); break; case eCursor_s_resize: gdkcursor = gdk_cursor_new(GDK_BOTTOM_SIDE); break; case eCursor_w_resize: gdkcursor = gdk_cursor_new(GDK_LEFT_SIDE); break; case eCursor_e_resize: gdkcursor = gdk_cursor_new(GDK_RIGHT_SIDE); break; case eCursor_nw_resize: gdkcursor = gdk_cursor_new(GDK_TOP_LEFT_CORNER); break; case eCursor_se_resize: gdkcursor = gdk_cursor_new(GDK_BOTTOM_RIGHT_CORNER); break; case eCursor_ne_resize: gdkcursor = gdk_cursor_new(GDK_TOP_RIGHT_CORNER); break; case eCursor_sw_resize: gdkcursor = gdk_cursor_new(GDK_BOTTOM_LEFT_CORNER); break; case eCursor_crosshair: gdkcursor = gdk_cursor_new(GDK_CROSSHAIR); break; case eCursor_move: gdkcursor = gdk_cursor_new(GDK_FLEUR); break; case eCursor_help: gdkcursor = gdk_cursor_new(GDK_QUESTION_ARROW); break; case eCursor_copy: // CSS3 newType = MOZ_CURSOR_COPY; break; case eCursor_alias: newType = MOZ_CURSOR_ALIAS; break; case eCursor_context_menu: newType = MOZ_CURSOR_CONTEXT_MENU; break; case eCursor_cell: gdkcursor = gdk_cursor_new(GDK_PLUS); break; case eCursor_grab: newType = MOZ_CURSOR_HAND_GRAB; break; case eCursor_grabbing: newType = MOZ_CURSOR_HAND_GRABBING; break; case eCursor_spinning: newType = MOZ_CURSOR_SPINNING; break; case eCursor_zoom_in: newType = MOZ_CURSOR_ZOOM_IN; break; case eCursor_zoom_out: newType = MOZ_CURSOR_ZOOM_OUT; break; case eCursor_not_allowed: case eCursor_no_drop: newType = MOZ_CURSOR_NOT_ALLOWED; break; case eCursor_vertical_text: newType = MOZ_CURSOR_VERTICAL_TEXT; break; case eCursor_all_scroll: gdkcursor = gdk_cursor_new(GDK_FLEUR); break; case eCursor_nesw_resize: newType = MOZ_CURSOR_NESW_RESIZE; break; case eCursor_nwse_resize: newType = MOZ_CURSOR_NWSE_RESIZE; break; case eCursor_ns_resize: case eCursor_row_resize: gdkcursor = gdk_cursor_new(GDK_SB_V_DOUBLE_ARROW); break; case eCursor_ew_resize: case eCursor_col_resize: gdkcursor = gdk_cursor_new(GDK_SB_H_DOUBLE_ARROW); break; case eCursor_none: newType = MOZ_CURSOR_NONE; break; default: NS_ASSERTION(aCursor, "Invalid cursor type"); gdkcursor = gdk_cursor_new(GDK_LEFT_PTR); break; } // If by now we don't have a xcursor, this means we have to make a custom // one. First, we try creating a named cursor based on the hash of our // custom bitmap, as libXcursor has some magic to convert bitmapped cursors // to themed cursors if (newType != 0xFF && GtkCursors[newType].hash) { gdkcursor = gdk_cursor_new_from_name(gdk_display_get_default(), GtkCursors[newType].hash); } // If we still don't have a xcursor, we now really create a bitmap cursor if (newType != 0xff && !gdkcursor) { GdkPixbuf * cursor_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 32, 32); if (!cursor_pixbuf) return NULL; guchar *data = gdk_pixbuf_get_pixels(cursor_pixbuf); // Read data from GtkCursors and compose RGBA surface from 1bit bitmap and mask // GtkCursors bits and mask are 32x32 monochrome bitmaps (1 bit for each pixel) // so it's 128 byte array (4 bytes for are one bitmap row and there are 32 rows here). const unsigned char *bits = GtkCursors[newType].bits; const unsigned char *mask_bits = GtkCursors[newType].mask_bits; for (int i = 0; i < 128; i++) { char bit = *bits++; char mask = *mask_bits++; for (int j = 0; j < 8; j++) { unsigned char pix = ~(((bit >> j) & 0x01) * 0xff); *data++ = pix; *data++ = pix; *data++ = pix; *data++ = (((mask >> j) & 0x01) * 0xff); } } gdkcursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), cursor_pixbuf, GtkCursors[newType].hot_x, GtkCursors[newType].hot_y); g_object_unref(cursor_pixbuf); } gCursorCache[aCursor] = gdkcursor; return gdkcursor; } // gtk callbacks #if defined(MOZ_WIDGET_GTK2) static gboolean expose_event_cb(GtkWidget *widget, GdkEventExpose *event) { nsRefPtr window = get_window_for_gdk_window(event->window); if (!window) return FALSE; // XXX We are so getting lucky here. We are doing all of // mozilla's painting and then allowing default processing to occur. // This means that Mozilla paints in all of it's stuff and then // NO_WINDOW widgets (like scrollbars, for example) are painted by // Gtk on top of what we painted. // This return window->OnExposeEvent(widget, event); */ window->OnExposeEvent(event); return FALSE; } #else void draw_window_of_widget(GtkWidget *widget, GdkWindow *aWindow, cairo_t *cr) { gpointer windowWidget; gdk_window_get_user_data(aWindow, &windowWidget); // aWindow is in another widget if (windowWidget != widget) return; if (gtk_cairo_should_draw_window(cr, aWindow)) { nsRefPtr window = get_window_for_gdk_window(aWindow); if (!window) { NS_WARNING("Cannot get nsWindow from GtkWidget"); } else { cairo_save(cr); gtk_cairo_transform_to_window(cr, widget, aWindow); // TODO - window->OnExposeEvent() can destroy this or other windows, // do we need to handle it somehow? window->OnExposeEvent(cr); cairo_restore(cr); } } GList *children = gdk_window_get_children(aWindow); GList *child = children; while (child) { draw_window_of_widget(widget, GDK_WINDOW(child->data), cr); child = g_list_next(child); } g_list_free(children); } /* static */ gboolean expose_event_cb(GtkWidget *widget, cairo_t *cr) { draw_window_of_widget(widget, gtk_widget_get_window(widget), cr); return FALSE; } #endif //MOZ_WIDGET_GTK2 static gboolean configure_event_cb(GtkWidget *widget, GdkEventConfigure *event) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return FALSE; return window->OnConfigureEvent(widget, event); } static void container_unrealize_cb (GtkWidget *widget) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return; window->OnContainerUnrealize(widget); } static void size_allocate_cb (GtkWidget *widget, GtkAllocation *allocation) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return; window->OnSizeAllocate(widget, allocation); } static gboolean delete_event_cb(GtkWidget *widget, GdkEventAny *event) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return FALSE; window->OnDeleteEvent(widget, event); return TRUE; } static gboolean enter_notify_event_cb(GtkWidget *widget, GdkEventCrossing *event) { nsRefPtr window = get_window_for_gdk_window(event->window); if (!window) return TRUE; window->OnEnterNotifyEvent(widget, event); return TRUE; } static gboolean leave_notify_event_cb(GtkWidget *widget, GdkEventCrossing *event) { if (is_parent_grab_leave(event)) { return TRUE; } // bug 369599: Suppress LeaveNotify events caused by pointer grabs to // avoid generating spurious mouse exit events. gint x = gint(event->x_root); gint y = gint(event->y_root); GdkDisplay* display = gtk_widget_get_display(widget); GdkWindow* winAtPt = gdk_display_get_window_at_pointer(display, &x, &y); if (winAtPt == event->window) { return TRUE; } nsRefPtr window = get_window_for_gdk_window(event->window); if (!window) return TRUE; window->OnLeaveNotifyEvent(widget, event); return TRUE; } static nsWindow* GetFirstNSWindowForGDKWindow(GdkWindow *aGdkWindow) { nsWindow* window; while (!(window = get_window_for_gdk_window(aGdkWindow))) { // The event has bubbled to the moz_container widget as passed into each caller's *widget parameter, // but its corresponding nsWindow is an ancestor of the window that we need. Instead, look at // event->window and find the first ancestor nsWindow of it because event->window may be in a plugin. aGdkWindow = gdk_window_get_parent(aGdkWindow); if (!aGdkWindow) { window = nsnull; break; } } return window; } static gboolean motion_notify_event_cb(GtkWidget *widget, GdkEventMotion *event) { UpdateLastInputEventTime(event); nsWindow *window = GetFirstNSWindowForGDKWindow(event->window); if (!window) return FALSE; window->OnMotionNotifyEvent(widget, event); #ifdef HAVE_GTK_MOTION_HINTS gdk_event_request_motions(event); #endif return TRUE; } static gboolean button_press_event_cb(GtkWidget *widget, GdkEventButton *event) { UpdateLastInputEventTime(event); nsWindow *window = GetFirstNSWindowForGDKWindow(event->window); if (!window) return FALSE; window->OnButtonPressEvent(widget, event); return TRUE; } static gboolean button_release_event_cb(GtkWidget *widget, GdkEventButton *event) { UpdateLastInputEventTime(event); nsWindow *window = GetFirstNSWindowForGDKWindow(event->window); if (!window) return FALSE; window->OnButtonReleaseEvent(widget, event); return TRUE; } static gboolean focus_in_event_cb(GtkWidget *widget, GdkEventFocus *event) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return FALSE; window->OnContainerFocusInEvent(widget, event); return FALSE; } static gboolean focus_out_event_cb(GtkWidget *widget, GdkEventFocus *event) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return FALSE; window->OnContainerFocusOutEvent(widget, event); return FALSE; } #ifdef MOZ_X11 // For long-lived popup windows that don't really take focus themselves but // may have elements that accept keyboard input when the parent window is // active, focus is handled specially. These windows include noautohide // panels. (This special handling is not necessary for temporary popups where // the keyboard is grabbed.) // // Mousing over or clicking on these windows should not cause them to steal // focus from their parent windows, so, the input field of WM_HINTS is set to // False to request that the window manager not set the input focus to this // window. http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.7 // // However, these windows can still receive WM_TAKE_FOCUS messages from the // window manager, so they can still detect when the user has indicated that // they wish to direct keyboard input at these windows. When the window // manager offers focus to these windows (after a mouse over or click, for // example), a request to make the parent window active is issued. When the // parent window becomes active, keyboard events will be received. static GdkFilterReturn popup_take_focus_filter(GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data) { XEvent* xevent = static_cast(gdk_xevent); if (xevent->type != ClientMessage) return GDK_FILTER_CONTINUE; XClientMessageEvent& xclient = xevent->xclient; if (xclient.message_type != gdk_x11_get_xatom_by_name("WM_PROTOCOLS")) return GDK_FILTER_CONTINUE; Atom atom = xclient.data.l[0]; if (atom != gdk_x11_get_xatom_by_name("WM_TAKE_FOCUS")) return GDK_FILTER_CONTINUE; guint32 timestamp = xclient.data.l[1]; GtkWidget* widget = get_gtk_widget_for_gdk_window(event->any.window); if (!widget) return GDK_FILTER_CONTINUE; GtkWindow* parent = gtk_window_get_transient_for(GTK_WINDOW(widget)); if (!parent) return GDK_FILTER_CONTINUE; if (gtk_window_is_active(parent)) return GDK_FILTER_REMOVE; // leave input focus on the parent GdkWindow* parent_window = gtk_widget_get_window(GTK_WIDGET(parent)); if (!parent_window) return GDK_FILTER_CONTINUE; // In case the parent has not been deconified. gdk_window_show_unraised(parent_window); // Request focus on the parent window. // Use gdk_window_focus rather than gtk_window_present to avoid // raising the parent window. gdk_window_focus(parent_window, timestamp); return GDK_FILTER_REMOVE; } static GdkFilterReturn plugin_window_filter_func(GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data) { GdkWindow *plugin_window; XEvent *xevent; Window xeventWindow; nsRefPtr nswindow = (nsWindow*)data; GdkFilterReturn return_val; xevent = (XEvent *)gdk_xevent; return_val = GDK_FILTER_CONTINUE; switch (xevent->type) { case CreateNotify: case ReparentNotify: if (xevent->type==CreateNotify) { xeventWindow = xevent->xcreatewindow.window; } else { if (xevent->xreparent.event != xevent->xreparent.parent) break; xeventWindow = xevent->xreparent.window; } #if defined(MOZ_WIDGET_GTK2) plugin_window = gdk_window_lookup(xeventWindow); #else plugin_window = gdk_x11_window_lookup_for_display( gdk_x11_lookup_xdisplay(xevent->xcreatewindow.display), xeventWindow); #endif if (plugin_window) { GtkWidget *widget = get_gtk_widget_for_gdk_window(plugin_window); // TODO GTK3 #if defined(MOZ_WIDGET_GTK2) if (GTK_IS_XTBIN(widget)) { nswindow->SetPluginType(nsWindow::PluginType_NONXEMBED); break; } else #endif if(GTK_IS_SOCKET(widget)) { nswindow->SetPluginType(nsWindow::PluginType_XEMBED); break; } } nswindow->SetPluginType(nsWindow::PluginType_NONXEMBED); return_val = GDK_FILTER_REMOVE; break; case EnterNotify: nswindow->SetNonXEmbedPluginFocus(); break; case DestroyNotify: gdk_window_remove_filter ((GdkWindow*)(nswindow->GetNativeData(NS_NATIVE_WINDOW)), plugin_window_filter_func, nswindow); // Currently we consider all plugins are non-xembed and calls // LoseNonXEmbedPluginFocus without any checking. nswindow->LoseNonXEmbedPluginFocus(); break; default: break; } return return_val; } static GdkFilterReturn plugin_client_message_filter(GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data) { XEvent *xevent; xevent = (XEvent *)gdk_xevent; GdkFilterReturn return_val; return_val = GDK_FILTER_CONTINUE; if (!gPluginFocusWindow || xevent->type!=ClientMessage) { return return_val; } // When WM sends out WM_TAKE_FOCUS, gtk2 will use XSetInputFocus // to set the focus to the focus proxy. To prevent this happen // while the focus is on the plugin, we filter the WM_TAKE_FOCUS // out. if (gdk_x11_get_xatom_by_name("WM_PROTOCOLS") != xevent->xclient.message_type) { return return_val; } if ((Atom) xevent->xclient.data.l[0] == gdk_x11_get_xatom_by_name("WM_TAKE_FOCUS")) { // block it from gtk2.0 focus proxy return_val = GDK_FILTER_REMOVE; } return return_val; } #endif /* MOZ_X11 */ static gboolean key_press_event_cb(GtkWidget *widget, GdkEventKey *event) { LOG(("key_press_event_cb\n")); UpdateLastInputEventTime(event); // find the window with focus and dispatch this event to that widget nsWindow *window = get_window_for_gtk_widget(widget); if (!window) return FALSE; nsRefPtr focusWindow = gFocusWindow ? gFocusWindow : window; #ifdef MOZ_X11 // Keyboard repeat can cause key press events to queue up when there are // slow event handlers (bug 301029). Throttle these events by removing // consecutive pending duplicate KeyPress events to the same window. // We use the event time of the last one. // Note: GDK calls XkbSetDetectableAutorepeat so that KeyRelease events // are generated only when the key is physically released. #define NS_GDKEVENT_MATCH_MASK 0x1FFF /* GDK_SHIFT_MASK .. GDK_BUTTON5_MASK */ GdkDisplay* gdkDisplay = gtk_widget_get_display(widget); Display* dpy = GDK_DISPLAY_XDISPLAY(gdkDisplay); while (XPending(dpy)) { XEvent next_event; XPeekEvent(dpy, &next_event); GdkWindow* nextGdkWindow = gdk_x11_window_lookup_for_display(gdkDisplay, next_event.xany.window); if (nextGdkWindow != event->window || next_event.type != KeyPress || next_event.xkey.keycode != event->hardware_keycode || next_event.xkey.state != (event->state & NS_GDKEVENT_MATCH_MASK)) { break; } XNextEvent(dpy, &next_event); event->time = next_event.xkey.time; } #endif return focusWindow->OnKeyPressEvent(widget, event); } static gboolean key_release_event_cb(GtkWidget *widget, GdkEventKey *event) { LOG(("key_release_event_cb\n")); UpdateLastInputEventTime(event); // find the window with focus and dispatch this event to that widget nsWindow *window = get_window_for_gtk_widget(widget); if (!window) return FALSE; nsRefPtr focusWindow = gFocusWindow ? gFocusWindow : window; return focusWindow->OnKeyReleaseEvent(widget, event); } static gboolean scroll_event_cb(GtkWidget *widget, GdkEventScroll *event) { nsWindow *window = GetFirstNSWindowForGDKWindow(event->window); if (!window) return FALSE; window->OnScrollEvent(widget, event); return TRUE; } static gboolean visibility_notify_event_cb (GtkWidget *widget, GdkEventVisibility *event) { nsRefPtr window = get_window_for_gdk_window(event->window); if (!window) return FALSE; window->OnVisibilityNotifyEvent(widget, event); return TRUE; } static void hierarchy_changed_cb (GtkWidget *widget, GtkWidget *previous_toplevel) { GtkWidget *toplevel = gtk_widget_get_toplevel(widget); GdkWindowState old_window_state = GDK_WINDOW_STATE_WITHDRAWN; GdkEventWindowState event; event.new_window_state = GDK_WINDOW_STATE_WITHDRAWN; if (GTK_IS_WINDOW(previous_toplevel)) { g_signal_handlers_disconnect_by_func(previous_toplevel, FuncToGpointer(window_state_event_cb), widget); GdkWindow *win = gtk_widget_get_window(previous_toplevel); if (win) { old_window_state = gdk_window_get_state(win); } } if (GTK_IS_WINDOW(toplevel)) { g_signal_connect_swapped(toplevel, "window-state-event", G_CALLBACK(window_state_event_cb), widget); GdkWindow *win = gtk_widget_get_window(toplevel); if (win) { event.new_window_state = gdk_window_get_state(win); } } event.changed_mask = static_cast (old_window_state ^ event.new_window_state); if (event.changed_mask) { event.type = GDK_WINDOW_STATE; event.window = NULL; event.send_event = TRUE; window_state_event_cb(widget, &event); } } static gboolean window_state_event_cb (GtkWidget *widget, GdkEventWindowState *event) { nsRefPtr window = get_window_for_gtk_widget(widget); if (!window) return FALSE; window->OnWindowStateEvent(widget, event); return FALSE; } static void theme_changed_cb (GtkSettings *settings, GParamSpec *pspec, nsWindow *data) { nsRefPtr window = data; window->ThemeChanged(); } ////////////////////////////////////////////////////////////////////// // These are all of our drag and drop operations void nsWindow::InitDragEvent(nsDragEvent &aEvent) { // set the keyboard modifiers GdkModifierType state = (GdkModifierType)0; gdk_display_get_pointer(gdk_display_get_default(), NULL, NULL, NULL, &state); aEvent.isShift = (state & GDK_SHIFT_MASK) ? true : false; aEvent.isControl = (state & GDK_CONTROL_MASK) ? true : false; aEvent.isAlt = (state & GDK_MOD1_MASK) ? true : false; aEvent.isMeta = false; // GTK+ doesn't support the meta key } // This will update the drag action based on the information in the // drag context. Gtk gets this from a combination of the key settings // and what the source is offering. void nsWindow::UpdateDragStatus(GdkDragContext *aDragContext, nsIDragService *aDragService) { // default is to do nothing int action = nsIDragService::DRAGDROP_ACTION_NONE; GdkDragAction gdkAction = gdk_drag_context_get_actions(aDragContext); // set the default just in case nothing matches below if (gdkAction & GDK_ACTION_DEFAULT) action = nsIDragService::DRAGDROP_ACTION_MOVE; // first check to see if move is set if (gdkAction & GDK_ACTION_MOVE) action = nsIDragService::DRAGDROP_ACTION_MOVE; // then fall to the others else if (gdkAction & GDK_ACTION_LINK) action = nsIDragService::DRAGDROP_ACTION_LINK; // copy is ctrl else if (gdkAction & GDK_ACTION_COPY) action = nsIDragService::DRAGDROP_ACTION_COPY; // update the drag information nsCOMPtr session; aDragService->GetCurrentSession(getter_AddRefs(session)); if (session) session->SetDragAction(action); } static gboolean drag_motion_event_cb(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, guint aTime, gpointer aData) { nsRefPtr window = get_window_for_gtk_widget(aWidget); if (!window) return FALSE; return window->OnDragMotionEvent(aWidget, aDragContext, aX, aY, aTime, aData); } static void drag_leave_event_cb(GtkWidget *aWidget, GdkDragContext *aDragContext, guint aTime, gpointer aData) { nsRefPtr window = get_window_for_gtk_widget(aWidget); if (!window) return; window->OnDragLeaveEvent(aWidget, aDragContext, aTime, aData); } static gboolean drag_drop_event_cb(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, guint aTime, gpointer aData) { nsRefPtr window = get_window_for_gtk_widget(aWidget); if (!window) return FALSE; return window->OnDragDropEvent(aWidget, aDragContext, aX, aY, aTime, aData); } static void drag_data_received_event_cb(GtkWidget *aWidget, GdkDragContext *aDragContext, gint aX, gint aY, GtkSelectionData *aSelectionData, guint aInfo, guint aTime, gpointer aData) { nsRefPtr window = get_window_for_gtk_widget(aWidget); if (!window) return; window->OnDragDataReceivedEvent(aWidget, aDragContext, aX, aY, aSelectionData, aInfo, aTime, aData); } static nsresult initialize_prefs(void) { gRaiseWindows = Preferences::GetBool("mozilla.widget.raise-on-setfocus", true); gDisableNativeTheme = Preferences::GetBool("mozilla.widget.disable-native-theme", false); return NS_OK; } void nsWindow::FireDragLeaveTimer(void) { LOGDRAG(("nsWindow::FireDragLeaveTimer(%p)\n", (void*)this)); mDragLeaveTimer = nsnull; // clean up any pending drag motion window info if (sLastDragMotionWindow) { nsRefPtr kungFuDeathGrip = sLastDragMotionWindow; // send our leave signal sLastDragMotionWindow->OnDragLeave(); sLastDragMotionWindow = 0; } } /* static */ void nsWindow::DragLeaveTimerCallback(nsITimer *aTimer, void *aClosure) { nsRefPtr window = static_cast(aClosure); window->FireDragLeaveTimer(); } static GdkWindow * get_inner_gdk_window (GdkWindow *aWindow, gint x, gint y, gint *retx, gint *rety) { gint cx, cy, cw, ch; GList *children = gdk_window_peek_children(aWindow); for (GList *child = g_list_last(children); child; child = g_list_previous(child)) { GdkWindow *childWindow = (GdkWindow *) child->data; if (get_window_for_gdk_window(childWindow)) { #if defined(MOZ_WIDGET_GTK2) gdk_window_get_geometry(childWindow, &cx, &cy, &cw, &ch, NULL); #else gdk_window_get_geometry(childWindow, &cx, &cy, &cw, &ch); #endif if ((cx < x) && (x < (cx + cw)) && (cy < y) && (y < (cy + ch)) && gdk_window_is_visible(childWindow)) { return get_inner_gdk_window(childWindow, x - cx, y - cy, retx, rety); } } } *retx = x; *rety = y; return aWindow; } static inline bool is_context_menu_key(const nsKeyEvent& aKeyEvent) { return ((aKeyEvent.keyCode == NS_VK_F10 && aKeyEvent.isShift && !aKeyEvent.isControl && !aKeyEvent.isMeta && !aKeyEvent.isAlt) || (aKeyEvent.keyCode == NS_VK_CONTEXT_MENU && !aKeyEvent.isShift && !aKeyEvent.isControl && !aKeyEvent.isMeta && !aKeyEvent.isAlt)); } static void key_event_to_context_menu_event(nsMouseEvent &aEvent, GdkEventKey *aGdkEvent) { aEvent.refPoint = nsIntPoint(0, 0); aEvent.isShift = false; aEvent.isControl = false; aEvent.isAlt = false; aEvent.isMeta = false; aEvent.time = aGdkEvent->time; aEvent.clickCount = 1; } static int is_parent_ungrab_enter(GdkEventCrossing *aEvent) { return (GDK_CROSSING_UNGRAB == aEvent->mode) && ((GDK_NOTIFY_ANCESTOR == aEvent->detail) || (GDK_NOTIFY_VIRTUAL == aEvent->detail)); } static int is_parent_grab_leave(GdkEventCrossing *aEvent) { return (GDK_CROSSING_GRAB == aEvent->mode) && ((GDK_NOTIFY_ANCESTOR == aEvent->detail) || (GDK_NOTIFY_VIRTUAL == aEvent->detail)); } #ifdef ACCESSIBILITY void nsWindow::CreateRootAccessible() { if (mIsTopLevel && !mRootAccessible) { LOG(("nsWindow:: Create Toplevel Accessibility\n")); nsAccessible *acc = DispatchAccessibleEvent(); if (acc) { mRootAccessible = acc; } } } nsAccessible* nsWindow::DispatchAccessibleEvent() { nsAccessibleEvent event(true, NS_GETACCESSIBLE, this); nsEventStatus status; DispatchEvent(&event, status); return event.mAccessible; } void nsWindow::DispatchEventToRootAccessible(PRUint32 aEventType) { if (!a11y::ShouldA11yBeEnabled()) { return; } nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (!accService) { return; } // Get the root document accessible and fire event to it. nsAccessible *acc = DispatchAccessibleEvent(); if (acc) { accService->FireAccessibleEvent(aEventType, acc); } } void nsWindow::DispatchActivateEventAccessible(void) { DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_ACTIVATE); } void nsWindow::DispatchDeactivateEventAccessible(void) { DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_DEACTIVATE); } void nsWindow::DispatchMaximizeEventAccessible(void) { DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_MAXIMIZE); } void nsWindow::DispatchMinimizeEventAccessible(void) { DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_MINIMIZE); } void nsWindow::DispatchRestoreEventAccessible(void) { DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_RESTORE); } #endif /* #ifdef ACCESSIBILITY */ // nsChildWindow class nsChildWindow::nsChildWindow() { } nsChildWindow::~nsChildWindow() { } NS_IMETHODIMP nsWindow::ResetInputState() { return mIMModule ? mIMModule->ResetInputState(this) : NS_OK; } NS_IMETHODIMP_(void) nsWindow::SetInputContext(const InputContext& aContext, const InputContextAction& aAction) { if (!mIMModule) { return; } mIMModule->SetInputContext(this, &aContext, &aAction); } NS_IMETHODIMP_(InputContext) nsWindow::GetInputContext() { InputContext context; if (!mIMModule) { context.mIMEState.mEnabled = IMEState::DISABLED; context.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED; } else { context = mIMModule->GetInputContext(); } return context; } NS_IMETHODIMP nsWindow::CancelIMEComposition() { return mIMModule ? mIMModule->CancelIMEComposition(this) : NS_OK; } NS_IMETHODIMP nsWindow::OnIMEFocusChange(bool aFocus) { if (mIMModule) { mIMModule->OnFocusChangeInGecko(aFocus); } // XXX Return NS_ERROR_NOT_IMPLEMENTED, see bug 496360. return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsWindow::GetToggledKeyState(PRUint32 aKeyCode, bool* aLEDState) { NS_ENSURE_ARG_POINTER(aLEDState); KeymapWrapper::Modifiers modifier; switch (aKeyCode) { case NS_VK_CAPS_LOCK: modifier = KeymapWrapper::CAPS_LOCK; break; case NS_VK_NUM_LOCK: modifier = KeymapWrapper::NUM_LOCK; break; case NS_VK_SCROLL_LOCK: modifier = KeymapWrapper::SCROLL_LOCK; break; default: return NS_ERROR_INVALID_ARG; } *aLEDState = KeymapWrapper::AreModifiersCurrentlyActive(modifier); return NS_OK; } #if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK2) /* static */ already_AddRefed nsWindow::GetSurfaceForGdkDrawable(GdkDrawable* aDrawable, const nsIntSize& aSize) { GdkVisual* visual = gdk_drawable_get_visual(aDrawable); Screen* xScreen = gdk_x11_screen_get_xscreen(gdk_drawable_get_screen(aDrawable)); Display* xDisplay = DisplayOfScreen(xScreen); Drawable xDrawable = gdk_x11_drawable_get_xid(aDrawable); gfxASurface* result = nsnull; if (visual) { Visual* xVisual = gdk_x11_visual_get_xvisual(visual); result = new gfxXlibSurface(xDisplay, xDrawable, xVisual, gfxIntSize(aSize.width, aSize.height)); } else { // no visual? we must be using an xrender format. Find a format // for this depth. XRenderPictFormat *pf = NULL; switch (gdk_drawable_get_depth(aDrawable)) { case 32: pf = XRenderFindStandardFormat(xDisplay, PictStandardARGB32); break; case 24: pf = XRenderFindStandardFormat(xDisplay, PictStandardRGB24); break; default: NS_ERROR("Don't know how to handle the given depth!"); break; } result = new gfxXlibSurface(xScreen, xDrawable, pf, gfxIntSize(aSize.width, aSize.height)); } NS_IF_ADDREF(result); return result; } #endif // return the gfxASurface for rendering to this widget gfxASurface* #if defined(MOZ_WIDGET_GTK2) nsWindow::GetThebesSurface() #else nsWindow::GetThebesSurface(cairo_t *cr) #endif { if (!mGdkWindow) return nsnull; #if !defined(MOZ_WIDGET_GTK2) cairo_surface_t *surf = cairo_get_target(cr); if (cairo_surface_status(surf) != CAIRO_STATUS_SUCCESS) { NS_NOTREACHED("Missing cairo target?"); return NULL; } #endif // MOZ_WIDGET_GTK2 #ifdef MOZ_X11 gint width, height; #if defined(MOZ_WIDGET_GTK2) gdk_drawable_get_size(GDK_DRAWABLE(mGdkWindow), &width, &height); #else width = gdk_window_get_width(mGdkWindow); height = gdk_window_get_height(mGdkWindow); #endif // Owen Taylor says this is the right thing to do! width = NS_MIN(32767, width); height = NS_MIN(32767, height); gfxIntSize size(width, height); GdkVisual *gdkVisual = gdk_window_get_visual(mGdkWindow); Visual* visual = gdk_x11_visual_get_xvisual(gdkVisual); # ifdef MOZ_HAVE_SHMIMAGE bool usingShm = false; if (nsShmImage::UseShm()) { // EnsureShmImage() is a dangerous interface, but we guarantee // that the thebes surface and the shmimage have the same // lifetime mThebesSurface = nsShmImage::EnsureShmImage(size, visual, gdk_visual_get_depth(gdkVisual), mShmImage); usingShm = mThebesSurface != nsnull; } if (!usingShm) # endif // MOZ_HAVE_SHMIMAGE #if defined(MOZ_WIDGET_GTK2) mThebesSurface = new gfxXlibSurface (GDK_WINDOW_XDISPLAY(mGdkWindow), gdk_x11_window_get_xid(mGdkWindow), visual, size); #else #if MOZ_TREE_CAIRO #error "cairo-gtk3 target must be built with --enable-system-cairo" #else mThebesSurface = gfxASurface::Wrap(surf); #endif #endif #endif // if the surface creation is reporting an error, then // we don't have a surface to give back if (mThebesSurface && mThebesSurface->CairoStatus() != 0) { mThebesSurface = nsnull; } return mThebesSurface; } // Code shared begin BeginMoveDrag and BeginResizeDrag bool nsWindow::GetDragInfo(nsMouseEvent* aMouseEvent, GdkWindow** aWindow, gint* aButton, gint* aRootX, gint* aRootY) { if (aMouseEvent->button != nsMouseEvent::eLeftButton) { // we can only begin a move drag with the left mouse button return false; } *aButton = 1; // get the gdk window for this widget GdkWindow* gdk_window = mGdkWindow; if (!gdk_window) { return false; } NS_ABORT_IF_FALSE(GDK_IS_WINDOW(gdk_window), "must really be window"); // find the top-level window gdk_window = gdk_window_get_toplevel(gdk_window); NS_ABORT_IF_FALSE(gdk_window, "gdk_window_get_toplevel should not return null"); *aWindow = gdk_window; if (!aMouseEvent->widget) { return false; } // FIXME: It would be nice to have the widget position at the time // of the event, but it's relatively unlikely that the widget has // moved since the mousedown. (On the other hand, it's quite likely // that the mouse has moved, which is why we use the mouse position // from the event.) nsIntPoint offset = aMouseEvent->widget->WidgetToScreenOffset(); *aRootX = aMouseEvent->refPoint.x + offset.x; *aRootY = aMouseEvent->refPoint.y + offset.y; return true; } NS_IMETHODIMP nsWindow::BeginMoveDrag(nsMouseEvent* aEvent) { NS_ABORT_IF_FALSE(aEvent, "must have event"); NS_ABORT_IF_FALSE(aEvent->eventStructType == NS_MOUSE_EVENT, "event must have correct struct type"); GdkWindow *gdk_window; gint button, screenX, screenY; if (!GetDragInfo(aEvent, &gdk_window, &button, &screenX, &screenY)) { return NS_ERROR_FAILURE; } // tell the window manager to start the move gdk_window_begin_move_drag(gdk_window, button, screenX, screenY, aEvent->time); return NS_OK; } NS_IMETHODIMP nsWindow::BeginResizeDrag(nsGUIEvent* aEvent, PRInt32 aHorizontal, PRInt32 aVertical) { NS_ENSURE_ARG_POINTER(aEvent); if (aEvent->eventStructType != NS_MOUSE_EVENT) { // you can only begin a resize drag with a mouse event return NS_ERROR_INVALID_ARG; } nsMouseEvent* mouse_event = static_cast(aEvent); GdkWindow *gdk_window; gint button, screenX, screenY; if (!GetDragInfo(mouse_event, &gdk_window, &button, &screenX, &screenY)) { return NS_ERROR_FAILURE; } // work out what GdkWindowEdge we're talking about GdkWindowEdge window_edge; if (aVertical < 0) { if (aHorizontal < 0) { window_edge = GDK_WINDOW_EDGE_NORTH_WEST; } else if (aHorizontal == 0) { window_edge = GDK_WINDOW_EDGE_NORTH; } else { window_edge = GDK_WINDOW_EDGE_NORTH_EAST; } } else if (aVertical == 0) { if (aHorizontal < 0) { window_edge = GDK_WINDOW_EDGE_WEST; } else if (aHorizontal == 0) { return NS_ERROR_INVALID_ARG; } else { window_edge = GDK_WINDOW_EDGE_EAST; } } else { if (aHorizontal < 0) { window_edge = GDK_WINDOW_EDGE_SOUTH_WEST; } else if (aHorizontal == 0) { window_edge = GDK_WINDOW_EDGE_SOUTH; } else { window_edge = GDK_WINDOW_EDGE_SOUTH_EAST; } } // tell the window manager to start the resize gdk_window_begin_resize_drag(gdk_window, window_edge, button, screenX, screenY, aEvent->time); return NS_OK; } void nsWindow::ClearCachedResources() { if (mLayerManager && mLayerManager->GetBackendType() == LayerManager::LAYERS_BASIC) { static_cast (mLayerManager.get())-> ClearCachedResources(); } GList* children = gdk_window_peek_children(mGdkWindow); for (GList* list = children; list; list = list->next) { nsWindow* window = get_window_for_gdk_window(GDK_WINDOW(list->data)); if (window) { window->ClearCachedResources(); } } }