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gecko/widget/gtk2/nsWindow.h
Trevor Saunders 3b1f9183dc bug 759033 - nsAccessible -> Accessible and nsAccessibleWrap -> AccessibleWrap r=surkov 
--HG--
rename : accessible/src/atk/nsAccessibleWrap.cpp => accessible/src/atk/AccessibleWrap.cpp
rename : accessible/src/atk/nsAccessibleWrap.h => accessible/src/atk/AccessibleWrap.h
rename : accessible/src/base/nsAccessible.cpp => accessible/src/generic/Accessible.cpp
rename : accessible/src/base/nsAccessible.h => accessible/src/generic/Accessible.h
rename : accessible/src/mac/nsAccessibleWrap.h => accessible/src/mac/AccessibleWrap.h
rename : accessible/src/mac/nsAccessibleWrap.mm => accessible/src/mac/AccessibleWrap.mm
rename : accessible/src/msaa/nsAccessibleWrap.cpp => accessible/src/msaa/AccessibleWrap.cpp
rename : accessible/src/msaa/nsAccessibleWrap.h => accessible/src/msaa/AccessibleWrap.h
rename : accessible/src/other/nsAccessibleWrap.cpp => accessible/src/other/AccessibleWrap.cpp
rename : accessible/src/other/nsAccessibleWrap.h => accessible/src/other/AccessibleWrap.h
2012-05-28 21:18:45 -04:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __nsWindow_h__
#define __nsWindow_h__
#include "mozilla/ipc/SharedMemorySysV.h"
#include "nsAutoPtr.h"
#include "mozcontainer.h"
#include "nsWeakReference.h"
#include "nsIDragService.h"
#include "nsITimer.h"
#include "nsGkAtoms.h"
#include "gfxASurface.h"
#include "nsBaseWidget.h"
#include "nsGUIEvent.h"
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#ifdef MOZ_X11
#include <gdk/gdkx.h>
#endif /* MOZ_X11 */
#ifdef ACCESSIBILITY
#include "mozilla/a11y/Accessible.h"
#endif
#include "nsGtkIMModule.h"
#ifdef MOZ_LOGGING
// make sure that logging is enabled before including prlog.h
#define FORCE_PR_LOG
#include "prlog.h"
#include "nsTArray.h"
extern PRLogModuleInfo *gWidgetLog;
extern PRLogModuleInfo *gWidgetFocusLog;
extern PRLogModuleInfo *gWidgetDragLog;
extern PRLogModuleInfo *gWidgetDrawLog;
#define LOG(args) PR_LOG(gWidgetLog, 4, args)
#define LOGFOCUS(args) PR_LOG(gWidgetFocusLog, 4, args)
#define LOGDRAG(args) PR_LOG(gWidgetDragLog, 4, args)
#define LOGDRAW(args) PR_LOG(gWidgetDrawLog, 4, args)
#else
#define LOG(args)
#define LOGFOCUS(args)
#define LOGDRAG(args)
#define LOGDRAW(args)
#endif /* MOZ_LOGGING */
class nsDragService;
#if defined(MOZ_X11) && defined(MOZ_HAVE_SHAREDMEMORYSYSV)
# define MOZ_HAVE_SHMIMAGE
class nsShmImage;
#endif
class nsWindow : public nsBaseWidget, public nsSupportsWeakReference
{
public:
nsWindow();
virtual ~nsWindow();
static void ReleaseGlobals();
NS_DECL_ISUPPORTS_INHERITED
void CommonCreate(nsIWidget *aParent, bool aListenForResizes);
// event handling code
void DispatchActivateEvent(void);
void DispatchDeactivateEvent(void);
void DispatchResizeEvent(nsIntRect &aRect, nsEventStatus &aStatus);
virtual nsresult DispatchEvent(nsGUIEvent *aEvent, nsEventStatus &aStatus);
// called when we are destroyed
void OnDestroy(void);
// called to check and see if a widget's dimensions are sane
bool AreBoundsSane(void);
// nsIWidget
NS_IMETHOD Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
EVENT_CALLBACK aHandleEventFunction,
nsDeviceContext *aContext,
nsWidgetInitData *aInitData);
NS_IMETHOD Destroy(void);
virtual nsIWidget *GetParent();
virtual float GetDPI();
virtual nsresult SetParent(nsIWidget* aNewParent);
NS_IMETHOD SetModal(bool aModal);
NS_IMETHOD IsVisible(bool & aState);
NS_IMETHOD ConstrainPosition(bool aAllowSlop,
PRInt32 *aX,
PRInt32 *aY);
NS_IMETHOD Move(PRInt32 aX,
PRInt32 aY);
NS_IMETHOD Show (bool aState);
NS_IMETHOD Resize (PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint);
NS_IMETHOD Resize (PRInt32 aX,
PRInt32 aY,
PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint);
NS_IMETHOD IsEnabled (bool *aState);
NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate);
NS_IMETHOD SetZIndex(PRInt32 aZIndex);
NS_IMETHOD SetSizeMode(PRInt32 aMode);
NS_IMETHOD Enable(bool aState);
NS_IMETHOD SetFocus(bool aRaise = false);
NS_IMETHOD GetScreenBounds(nsIntRect &aRect);
NS_IMETHOD GetClientBounds(nsIntRect &aRect);
virtual nsIntPoint GetClientOffset();
NS_IMETHOD SetForegroundColor(const nscolor &aColor);
NS_IMETHOD SetBackgroundColor(const nscolor &aColor);
NS_IMETHOD SetCursor(nsCursor aCursor);
NS_IMETHOD SetCursor(imgIContainer* aCursor,
PRUint32 aHotspotX, PRUint32 aHotspotY);
NS_IMETHOD Invalidate(const nsIntRect &aRect);
virtual void* GetNativeData(PRUint32 aDataType);
NS_IMETHOD SetTitle(const nsAString& aTitle);
NS_IMETHOD SetIcon(const nsAString& aIconSpec);
NS_IMETHOD SetWindowClass(const nsAString& xulWinType);
virtual nsIntPoint WidgetToScreenOffset();
NS_IMETHOD EnableDragDrop(bool aEnable);
NS_IMETHOD CaptureMouse(bool aCapture);
NS_IMETHOD CaptureRollupEvents(nsIRollupListener *aListener,
bool aDoCapture,
bool aConsumeRollupEvent);
NS_IMETHOD GetAttention(PRInt32 aCycleCount);
virtual bool HasPendingInputEvent();
NS_IMETHOD MakeFullScreen(bool aFullScreen);
NS_IMETHOD HideWindowChrome(bool aShouldHide);
/**
* GetLastUserInputTime returns a timestamp for the most recent user input
* event. This is intended for pointer grab requests (including drags).
*/
static guint32 GetLastUserInputTime();
// utility method, -1 if no change should be made, otherwise returns a
// value that can be passed to gdk_window_set_decorations
gint ConvertBorderStyles(nsBorderStyle aStyle);
// event callbacks
#if defined(MOZ_WIDGET_GTK2)
gboolean OnExposeEvent(GdkEventExpose *aEvent);
#else
gboolean OnExposeEvent(cairo_t *cr);
#endif
gboolean OnConfigureEvent(GtkWidget *aWidget,
GdkEventConfigure *aEvent);
void OnContainerUnrealize(GtkWidget *aWidget);
void OnSizeAllocate(GtkWidget *aWidget,
GtkAllocation *aAllocation);
void OnDeleteEvent(GtkWidget *aWidget,
GdkEventAny *aEvent);
void OnEnterNotifyEvent(GtkWidget *aWidget,
GdkEventCrossing *aEvent);
void OnLeaveNotifyEvent(GtkWidget *aWidget,
GdkEventCrossing *aEvent);
void OnMotionNotifyEvent(GtkWidget *aWidget,
GdkEventMotion *aEvent);
void OnButtonPressEvent(GtkWidget *aWidget,
GdkEventButton *aEvent);
void OnButtonReleaseEvent(GtkWidget *aWidget,
GdkEventButton *aEvent);
void OnContainerFocusInEvent(GtkWidget *aWidget,
GdkEventFocus *aEvent);
void OnContainerFocusOutEvent(GtkWidget *aWidget,
GdkEventFocus *aEvent);
gboolean OnKeyPressEvent(GtkWidget *aWidget,
GdkEventKey *aEvent);
gboolean OnKeyReleaseEvent(GtkWidget *aWidget,
GdkEventKey *aEvent);
void OnScrollEvent(GtkWidget *aWidget,
GdkEventScroll *aEvent);
void OnVisibilityNotifyEvent(GtkWidget *aWidget,
GdkEventVisibility *aEvent);
void OnWindowStateEvent(GtkWidget *aWidget,
GdkEventWindowState *aEvent);
void OnDragDataReceivedEvent(GtkWidget *aWidget,
GdkDragContext *aDragContext,
gint aX,
gint aY,
GtkSelectionData*aSelectionData,
guint aInfo,
guint aTime,
gpointer aData);
private:
void NativeResize(PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint);
void NativeResize(PRInt32 aX,
PRInt32 aY,
PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint);
void NativeShow (bool aAction);
void SetHasMappedToplevel(bool aState);
nsIntSize GetSafeWindowSize(nsIntSize aSize);
void EnsureGrabs (void);
void GrabPointer (guint32 aTime);
void ReleaseGrabs (void);
public:
enum PluginType {
PluginType_NONE = 0, /* do not have any plugin */
PluginType_XEMBED, /* the plugin support xembed */
PluginType_NONXEMBED /* the plugin does not support xembed */
};
void SetPluginType(PluginType aPluginType);
#ifdef MOZ_X11
void SetNonXEmbedPluginFocus(void);
void LoseNonXEmbedPluginFocus(void);
#endif /* MOZ_X11 */
void ThemeChanged(void);
#ifdef MOZ_X11
Window mOldFocusWindow;
#endif /* MOZ_X11 */
static guint32 sLastButtonPressTime;
NS_IMETHOD BeginResizeDrag(nsGUIEvent* aEvent, PRInt32 aHorizontal, PRInt32 aVertical);
NS_IMETHOD BeginMoveDrag(nsMouseEvent* aEvent);
MozContainer* GetMozContainer() { return mContainer; }
// GetMozContainerWidget returns the MozContainer even for undestroyed
// descendant windows
GtkWidget* GetMozContainerWidget();
GdkWindow* GetGdkWindow() { return mGdkWindow; }
bool IsDestroyed() { return mIsDestroyed; }
void DispatchDragEvent(PRUint32 aMsg,
const nsIntPoint& aRefPoint,
guint aTime);
static void UpdateDragStatus (GdkDragContext *aDragContext,
nsIDragService *aDragService);
// If this dispatched the keydown event actually, this returns TRUE,
// otherwise, FALSE.
bool DispatchKeyDownEvent(GdkEventKey *aEvent,
bool *aIsCancelled);
NS_IMETHOD ResetInputState();
NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
const InputContextAction& aAction);
NS_IMETHOD_(InputContext) GetInputContext();
NS_IMETHOD CancelIMEComposition();
NS_IMETHOD OnIMEFocusChange(bool aFocus);
NS_IMETHOD GetToggledKeyState(PRUint32 aKeyCode, bool* aLEDState);
void ResizeTransparencyBitmap(PRInt32 aNewWidth, PRInt32 aNewHeight);
void ApplyTransparencyBitmap();
virtual void SetTransparencyMode(nsTransparencyMode aMode);
virtual nsTransparencyMode GetTransparencyMode();
virtual nsresult ConfigureChildren(const nsTArray<Configuration>& aConfigurations);
nsresult UpdateTranslucentWindowAlphaInternal(const nsIntRect& aRect,
PRUint8* aAlphas, PRInt32 aStride);
#if defined(MOZ_WIDGET_GTK2)
gfxASurface *GetThebesSurface();
static already_AddRefed<gfxASurface> GetSurfaceForGdkDrawable(GdkDrawable* aDrawable,
const nsIntSize& aSize);
#else
gfxASurface *GetThebesSurface(cairo_t *cr);
#endif
NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent);
virtual nsresult SynthesizeNativeMouseEvent(nsIntPoint aPoint,
PRUint32 aNativeMessage,
PRUint32 aModifierFlags);
virtual nsresult SynthesizeNativeMouseMove(nsIntPoint aPoint)
{ return SynthesizeNativeMouseEvent(aPoint, GDK_MOTION_NOTIFY, 0); }
protected:
// Helper for SetParent and ReparentNativeWidget.
void ReparentNativeWidgetInternal(nsIWidget* aNewParent,
GtkWidget* aNewContainer,
GdkWindow* aNewParentWindow,
GtkWidget* aOldContainer);
nsCOMPtr<nsIWidget> mParent;
// Is this a toplevel window?
bool mIsTopLevel;
// Has this widget been destroyed yet?
bool mIsDestroyed;
// This is a flag that tracks if we need to resize a widget or
// window when we show it.
bool mNeedsResize;
// This is a flag that tracks if we need to move a widget or
// window when we show it.
bool mNeedsMove;
// Should we send resize events on all resizes?
bool mListenForResizes;
// This flag tracks if we're hidden or shown.
bool mIsShown;
bool mNeedsShow;
// is this widget enabled?
bool mEnabled;
// has the native window for this been created yet?
bool mCreated;
private:
void DestroyChildWindows();
void GetToplevelWidget(GtkWidget **aWidget);
nsWindow *GetContainerWindow();
void SetUrgencyHint(GtkWidget *top_window, bool state);
void *SetupPluginPort(void);
void SetDefaultIcon(void);
void InitButtonEvent(nsMouseEvent &aEvent, GdkEventButton *aGdkEvent);
bool DispatchCommandEvent(nsIAtom* aCommand);
bool DispatchContentCommandEvent(PRInt32 aMsg);
void SetWindowClipRegion(const nsTArray<nsIntRect>& aRects,
bool aIntersectWithExisting);
bool GetDragInfo(nsMouseEvent* aMouseEvent,
GdkWindow** aWindow, gint* aButton,
gint* aRootX, gint* aRootY);
void ClearCachedResources();
GtkWidget *mShell;
MozContainer *mContainer;
GdkWindow *mGdkWindow;
GtkWindowGroup *mWindowGroup;
PRUint32 mHasMappedToplevel : 1,
mIsFullyObscured : 1,
mRetryPointerGrab : 1;
GtkWindow *mTransientParent;
PRInt32 mSizeState;
PluginType mPluginType;
PRInt32 mTransparencyBitmapWidth;
PRInt32 mTransparencyBitmapHeight;
#ifdef MOZ_HAVE_SHMIMAGE
// If we're using xshm rendering, mThebesSurface wraps mShmImage
nsRefPtr<nsShmImage> mShmImage;
#endif
nsRefPtr<gfxASurface> mThebesSurface;
#ifdef ACCESSIBILITY
nsRefPtr<Accessible> mRootAccessible;
/**
* Request to create the accessible for this window if it is top level.
*/
void CreateRootAccessible();
/**
* Generate the NS_GETACCESSIBLE event to get accessible for this window
* and return it.
*/
Accessible *DispatchAccessibleEvent();
/**
* Dispatch accessible event for the top level window accessible.
*
* @param aEventType [in] the accessible event type to dispatch
*/
void DispatchEventToRootAccessible(PRUint32 aEventType);
/**
* Dispatch accessible window activate event for the top level window
* accessible.
*/
void DispatchActivateEventAccessible();
/**
* Dispatch accessible window deactivate event for the top level window
* accessible.
*/
void DispatchDeactivateEventAccessible();
/**
* Dispatch accessible window maximize event for the top level window
* accessible.
*/
void DispatchMaximizeEventAccessible();
/**
* Dispatch accessible window minize event for the top level window
* accessible.
*/
void DispatchMinimizeEventAccessible();
/**
* Dispatch accessible window restore event for the top level window
* accessible.
*/
void DispatchRestoreEventAccessible();
#endif
// The cursor cache
static GdkCursor *gsGtkCursorCache[eCursorCount];
// Transparency
bool mIsTransparent;
// This bitmap tracks which pixels are transparent. We don't support
// full translucency at this time; each pixel is either fully opaque
// or fully transparent.
gchar* mTransparencyBitmap;
// all of our DND stuff
void InitDragEvent (nsDragEvent &aEvent);
float mLastMotionPressure;
// Remember the last sizemode so that we can restore it when
// leaving fullscreen
nsSizeMode mLastSizeMode;
static bool DragInProgress(void);
void DispatchMissedButtonReleases(GdkEventCrossing *aGdkEvent);
/**
* |mIMModule| takes all IME related stuff.
*
* This is owned by the top-level nsWindow or the topmost child
* nsWindow embedded in a non-Gecko widget.
*
* The instance is created when the top level widget is created. And when
* the widget is destroyed, it's released. All child windows refer its
* ancestor widget's instance. So, one set of IM contexts is created for
* all windows in a hierarchy. If the children are released after the top
* level window is released, the children still have a valid pointer,
* however, IME doesn't work at that time.
*/
nsRefPtr<nsGtkIMModule> mIMModule;
};
class nsChildWindow : public nsWindow {
public:
nsChildWindow();
~nsChildWindow();
};
#endif /* __nsWindow_h__ */
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