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gecko/widget/qt/nsWindow.h

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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 <QKeyEvent>
#include <QGestureEvent>
#include <qgraphicswidget.h>
#include <QTime>
#include "nsAutoPtr.h"
#include "nsBaseWidget.h"
#include "mozilla/EventForwards.h"
#include "nsWeakReference.h"
#include "nsGkAtoms.h"
#include "nsIIdleServiceInternal.h"
#include "nsIRunnable.h"
#include "nsThreadUtils.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 *gWidgetIMLog;
extern PRLogModuleInfo *gWidgetDrawLog;
#define LOG(args) PR_LOG(gWidgetLog, 4, args)
#define LOGFOCUS(args) PR_LOG(gWidgetFocusLog, 4, args)
#define LOGIM(args) PR_LOG(gWidgetIMLog, 4, args)
#define LOGDRAW(args) PR_LOG(gWidgetDrawLog, 4, args)
#else
#ifdef DEBUG_WIDGETS
#define PR_LOG2(_args) \
PR_BEGIN_MACRO \
qDebug _args; \
PR_END_MACRO
#define LOG(args) PR_LOG2(args)
#define LOGFOCUS(args) PR_LOG2(args)
#define LOGIM(args) PR_LOG2(args)
#define LOGDRAW(args) PR_LOG2(args)
#else
#define LOG(args)
#define LOGFOCUS(args)
#define LOGIM(args)
#define LOGDRAW(args)
#endif
#endif /* MOZ_LOGGING */
class QEvent;
class QGraphicsView;
class MozQWidget;
class nsIdleService;
class nsWindow : public nsBaseWidget,
public nsSupportsWeakReference
{
public:
nsWindow();
virtual ~nsWindow();
bool DoPaint( QPainter* aPainter, const QStyleOptionGraphicsItem * aOption, QWidget* aWidget);
static void ReleaseGlobals();
NS_DECL_ISUPPORTS_INHERITED
//
// nsIWidget
//
NS_IMETHOD ConfigureChildren(const nsTArray<nsIWidget::Configuration>&);
NS_IMETHOD Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
nsDeviceContext *aContext,
nsWidgetInitData *aInitData);
virtual already_AddRefed<nsIWidget>
CreateChild(const nsIntRect& aRect,
nsDeviceContext* aContext,
nsWidgetInitData* aInitData = nullptr,
bool aForceUseIWidgetParent = true);
NS_IMETHOD Destroy(void);
NS_IMETHOD SetParent(nsIWidget* aNewParent);
virtual nsIWidget *GetParent(void);
virtual float GetDPI();
NS_IMETHOD Show(bool aState);
NS_IMETHOD SetModal(bool aModal);
virtual bool IsVisible() const;
NS_IMETHOD ConstrainPosition(bool aAllowSlop,
int32_t *aX,
int32_t *aY);
NS_IMETHOD Move(double aX,
double aY);
NS_IMETHOD Resize(double aWidth,
double aHeight,
bool aRepaint);
NS_IMETHOD Resize(double aX,
double aY,
double aWidth,
double aHeight,
bool aRepaint);
NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate);
NS_IMETHOD SetSizeMode(int32_t aMode);
NS_IMETHOD Enable(bool aState);
NS_IMETHOD SetFocus(bool aRaise = false);
NS_IMETHOD GetScreenBounds(nsIntRect &aRect);
NS_IMETHOD SetForegroundColor(const nscolor &aColor);
NS_IMETHOD SetBackgroundColor(const nscolor &aColor);
NS_IMETHOD SetCursor(nsCursor aCursor);
NS_IMETHOD SetCursor(imgIContainer* aCursor,
uint32_t aHotspotX, uint32_t aHotspotY);
NS_IMETHOD SetHasTransparentBackground(bool aTransparent);
NS_IMETHOD GetHasTransparentBackground(bool& aTransparent);
NS_IMETHOD HideWindowChrome(bool aShouldHide);
NS_IMETHOD MakeFullScreen(bool aFullScreen);
NS_IMETHOD Invalidate(const nsIntRect &aRect);
virtual void* GetNativeData(uint32_t aDataType);
NS_IMETHOD SetTitle(const nsAString& aTitle);
NS_IMETHOD SetIcon(const nsAString& aIconSpec);
virtual nsIntPoint WidgetToScreenOffset();
NS_IMETHOD DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
nsEventStatus& aStatus);
NS_IMETHOD EnableDragDrop(bool aEnable);
NS_IMETHOD CaptureMouse(bool aCapture);
NS_IMETHOD CaptureRollupEvents(nsIRollupListener *aListener,
bool aDoCapture);
NS_IMETHOD SetWindowClass(const nsAString& xulWinType);
NS_IMETHOD GetAttention(int32_t aCycleCount);
NS_IMETHOD BeginResizeDrag(mozilla::WidgetGUIEvent* aEvent,
int32_t aHorizontal,
int32_t aVertical);
NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
const InputContextAction& aAction);
NS_IMETHOD_(InputContext) GetInputContext();
NS_IMETHOD_(bool) HasGLContext();
//
// utility methods
//
void QWidgetDestroyed();
/***** from CommonWidget *****/
// event handling code
void DispatchActivateEvent(void);
void DispatchDeactivateEvent(void);
void DispatchActivateEventOnTopLevelWindow(void);
void DispatchDeactivateEventOnTopLevelWindow(void);
void DispatchResizeEvent(nsIntRect &aRect, nsEventStatus &aStatus);
nsEventStatus DispatchEvent(mozilla::WidgetGUIEvent* aEvent);
// Some of the nsIWidget methods
virtual bool IsEnabled() const;
// called when we are destroyed
void OnDestroy(void);
// called to check and see if a widget's dimensions are sane
bool AreBoundsSane(void);
NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent);
QWidget* GetViewWidget();
virtual uint32_t GetGLFrameBufferFormat() MOZ_OVERRIDE;
protected:
nsCOMPtr<nsIWidget> mParent;
// Is this a toplevel window?
bool mIsTopLevel;
// Has this widget been destroyed yet?
bool mIsDestroyed;
// This flag tracks if we're hidden or shown.
bool mIsShown;
// is this widget enabled?
bool mEnabled;
// Has anyone set an x/y location for this widget yet? Toplevels
// shouldn't be automatically set to 0,0 for first show.
bool mPlaced;
// Remember the last sizemode so that we can restore it when
// leaving fullscreen
nsSizeMode mLastSizeMode;
InputContext mInputContext;
/**
* Event handlers (proxied from the actual qwidget).
* They follow normal Qt widget semantics.
*/
void Initialize(MozQWidget *widget);
friend class nsQtEventDispatcher;
friend class InterceptContainer;
friend class MozQWidget;
virtual nsEventStatus OnMoveEvent(QGraphicsSceneHoverEvent *);
virtual nsEventStatus OnResizeEvent(QGraphicsSceneResizeEvent *);
virtual nsEventStatus OnCloseEvent(QCloseEvent *);
virtual nsEventStatus OnEnterNotifyEvent(QGraphicsSceneHoverEvent *);
virtual nsEventStatus OnLeaveNotifyEvent(QGraphicsSceneHoverEvent *);
virtual nsEventStatus OnMotionNotifyEvent(QPointF, Qt::KeyboardModifiers);
virtual nsEventStatus OnButtonPressEvent(QGraphicsSceneMouseEvent *);
virtual nsEventStatus OnButtonReleaseEvent(QGraphicsSceneMouseEvent *);
virtual nsEventStatus OnMouseDoubleClickEvent(QGraphicsSceneMouseEvent *);
virtual nsEventStatus OnFocusInEvent(QEvent *);
virtual nsEventStatus OnFocusOutEvent(QEvent *);
virtual nsEventStatus OnKeyPressEvent(QKeyEvent *);
virtual nsEventStatus OnKeyReleaseEvent(QKeyEvent *);
virtual nsEventStatus OnScrollEvent(QGraphicsSceneWheelEvent *);
virtual nsEventStatus contextMenuEvent(QGraphicsSceneContextMenuEvent *);
virtual nsEventStatus imComposeEvent(QInputMethodEvent *, bool &handled);
virtual nsEventStatus OnDragEnter (QGraphicsSceneDragDropEvent *);
virtual nsEventStatus OnDragMotionEvent(QGraphicsSceneDragDropEvent *);
virtual nsEventStatus OnDragLeaveEvent(QGraphicsSceneDragDropEvent *);
virtual nsEventStatus OnDragDropEvent (QGraphicsSceneDragDropEvent *);
virtual nsEventStatus showEvent(QShowEvent *);
virtual nsEventStatus hideEvent(QHideEvent *);
//Gestures are only supported in qt > 4.6
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
virtual nsEventStatus OnTouchEvent(QTouchEvent *event, bool &handled);
virtual nsEventStatus OnGestureEvent(QGestureEvent *event, bool &handled);
nsEventStatus DispatchGestureEvent(uint32_t aMsg, uint32_t aDirection,
double aDelta, const nsIntPoint& aRefPoint);
double DistanceBetweenPoints(const QPointF &aFirstPoint, const QPointF &aSecondPoint);
#endif
void NativeResize(int32_t aWidth,
int32_t aHeight,
bool aRepaint);
void NativeResize(int32_t aX,
int32_t aY,
int32_t aWidth,
int32_t aHeight,
bool aRepaint);
void NativeShow (bool aAction);
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);
void ThemeChanged(void);
gfxASurface* GetThebesSurface();
private:
typedef struct {
QPointF centerPoint;
QPointF touchPoint;
double delta;
bool needDispatch;
double startDistance;
double prevDistance;
} MozCachedTouchEvent;
typedef struct {
QPointF pos;
Qt::KeyboardModifiers modifiers;
bool needDispatch;
} MozCachedMoveEvent;
bool CheckForRollup(double aMouseX, double aMouseY, bool aIsWheel);
void* SetupPluginPort(void);
nsresult SetWindowIconList(const nsTArray<nsCString> &aIconList);
void SetDefaultIcon(void);
void InitButtonEvent(mozilla::WidgetMouseEvent& event,
QGraphicsSceneMouseEvent* aEvent,
int aClickCount = 1);
nsEventStatus DispatchCommandEvent(nsIAtom* aCommand);
nsEventStatus DispatchContentCommandEvent(int32_t aMsg);
MozQWidget* createQWidget(MozQWidget* parent,
nsNativeWidget nativeParent,
nsWidgetInitData* aInitData);
void SetSoftwareKeyboardState(bool aOpen, const InputContextAction& aAction);
void ClearCachedResources();
MozQWidget* mWidget;
uint32_t mIsVisible : 1,
mActivatePending : 1;
int32_t mSizeState;
PluginType mPluginType;
nsRefPtr<gfxASurface> mThebesSurface;
nsCOMPtr<nsIIdleServiceInternal> mIdleService;
bool mIsTransparent;
// all of our DND stuff
// this is the last window that had a drag event happen on it.
void InitDragEvent(mozilla::WidgetMouseEvent& aEvent);
// this is everything we need to be able to fire motion events
// repeatedly
uint32_t mKeyDownFlags[8];
/* Helper methods for DOM Key Down event suppression. */
uint32_t* GetFlagWord32(uint32_t aKeyCode, uint32_t* aMask) {
/* Mozilla DOM Virtual Key Code is from 0 to 224. */
NS_ASSERTION((aKeyCode <= 0xFF), "Invalid DOM Key Code");
aKeyCode &= 0xFF;
/* 32 = 2^5 = 0x20 */
*aMask = uint32_t(1) << (aKeyCode & 0x1F);
return &mKeyDownFlags[(aKeyCode >> 5)];
}
bool IsKeyDown(uint32_t aKeyCode) {
uint32_t mask;
uint32_t* flag = GetFlagWord32(aKeyCode, &mask);
return ((*flag) & mask) != 0;
}
void SetKeyDownFlag(uint32_t aKeyCode) {
uint32_t mask;
uint32_t* flag = GetFlagWord32(aKeyCode, &mask);
*flag |= mask;
}
void ClearKeyDownFlag(uint32_t aKeyCode) {
uint32_t mask;
uint32_t* flag = GetFlagWord32(aKeyCode, &mask);
*flag &= ~mask;
}
int32_t mQCursor;
// Call this function when the users activity is the direct cause of an
// event (like a keypress or mouse click).
void UserActivity();
inline void ProcessMotionEvent();
void DispatchMotionToMainThread() {
if (!mTimerStarted) {
nsCOMPtr<nsIRunnable> event =
NS_NewRunnableMethod(this, &nsWindow::ProcessMotionEvent);
NS_DispatchToMainThread(event);
mTimerStarted = true;
}
}
// Remember dirty area caused by ::Scroll
QRegion mDirtyScrollArea;
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
QTime mLastMultiTouchTime;
#endif
bool mNeedsResize;
bool mNeedsMove;
bool mListenForResizes;
bool mNeedsShow;
bool mGesturesCancelled;
MozCachedTouchEvent mPinchEvent;
MozCachedMoveEvent mMoveEvent;
bool mTimerStarted;
};
class nsChildWindow : public nsWindow
{
public:
nsChildWindow();
~nsChildWindow();
int32_t mChildID;
};
class nsPopupWindow : public nsWindow
{
public:
nsPopupWindow ();
~nsPopupWindow ();
int32_t mChildID;
};
#endif /* __nsWindow_h__ */
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