зеркало из https://github.com/mozilla/pjs.git
480 строки
17 KiB
C++
480 строки
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Christopher Blizzard
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* <blizzard@mozilla.org>. Portions created by the Initial Developer
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* are Copyright (C) 2001 the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Masayuki Nakano <masayuki@d-toybox.com>
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* Vladimir Vukicevic <vladimir@pobox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __nsWindow_h__
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#define __nsWindow_h__
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#include <QKeyEvent>
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#include <QGestureEvent>
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#include <qgraphicswidget.h>
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#include <QTime>
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#include "nsAutoPtr.h"
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#include "nsBaseWidget.h"
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#include "nsGUIEvent.h"
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#include "nsWeakReference.h"
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#include "nsGkAtoms.h"
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#ifdef MOZ_LOGGING
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// make sure that logging is enabled before including prlog.h
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#define FORCE_PR_LOG
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#include "prlog.h"
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#include "nsTArray.h"
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extern PRLogModuleInfo *gWidgetLog;
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extern PRLogModuleInfo *gWidgetFocusLog;
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extern PRLogModuleInfo *gWidgetIMLog;
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extern PRLogModuleInfo *gWidgetDrawLog;
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#define LOG(args) PR_LOG(gWidgetLog, 4, args)
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#define LOGFOCUS(args) PR_LOG(gWidgetFocusLog, 4, args)
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#define LOGIM(args) PR_LOG(gWidgetIMLog, 4, args)
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#define LOGDRAW(args) PR_LOG(gWidgetDrawLog, 4, args)
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#else
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#ifdef DEBUG_WIDGETS
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#define PR_LOG2(_args) \
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PR_BEGIN_MACRO \
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qDebug _args; \
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PR_END_MACRO
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#define LOG(args) PR_LOG2(args)
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#define LOGFOCUS(args) PR_LOG2(args)
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#define LOGIM(args) PR_LOG2(args)
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#define LOGDRAW(args) PR_LOG2(args)
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#else
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#define LOG(args)
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#define LOGFOCUS(args)
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#define LOGIM(args)
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#define LOGDRAW(args)
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#endif
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#endif /* MOZ_LOGGING */
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class QEvent;
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class QGraphicsView;
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class MozQWidget;
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class nsIdleService;
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class nsWindow : public nsBaseWidget,
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public nsSupportsWeakReference
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{
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public:
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nsWindow();
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virtual ~nsWindow();
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nsEventStatus DoPaint( QPainter* aPainter, const QStyleOptionGraphicsItem * aOption, QWidget* aWidget);
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static void ReleaseGlobals();
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NS_DECL_ISUPPORTS_INHERITED
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//
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// nsIWidget
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//
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NS_IMETHOD ConfigureChildren(const nsTArray<nsIWidget::Configuration>&);
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NS_IMETHOD Create(nsIWidget *aParent,
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nsNativeWidget aNativeParent,
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const nsIntRect &aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsDeviceContext *aContext,
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nsWidgetInitData *aInitData);
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virtual already_AddRefed<nsIWidget>
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CreateChild(const nsIntRect& aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsDeviceContext* aContext,
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nsWidgetInitData* aInitData = nsnull,
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bool aForceUseIWidgetParent = true);
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NS_IMETHOD Destroy(void);
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NS_IMETHOD SetParent(nsIWidget* aNewParent);
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virtual nsIWidget *GetParent(void);
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virtual float GetDPI();
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NS_IMETHOD Show(bool aState);
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NS_IMETHOD SetModal(bool aModal);
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NS_IMETHOD IsVisible(bool & aState);
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NS_IMETHOD ConstrainPosition(bool aAllowSlop,
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PRInt32 *aX,
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PRInt32 *aY);
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NS_IMETHOD Move(PRInt32 aX,
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PRInt32 aY);
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NS_IMETHOD Resize(PRInt32 aWidth,
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PRInt32 aHeight,
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bool aRepaint);
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NS_IMETHOD Resize(PRInt32 aX,
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PRInt32 aY,
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PRInt32 aWidth,
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PRInt32 aHeight,
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bool aRepaint);
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NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
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nsIWidget *aWidget,
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bool aActivate);
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NS_IMETHOD SetSizeMode(PRInt32 aMode);
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NS_IMETHOD Enable(bool aState);
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NS_IMETHOD SetFocus(bool aRaise = false);
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NS_IMETHOD GetScreenBounds(nsIntRect &aRect);
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NS_IMETHOD SetForegroundColor(const nscolor &aColor);
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NS_IMETHOD SetBackgroundColor(const nscolor &aColor);
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NS_IMETHOD SetCursor(nsCursor aCursor);
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NS_IMETHOD SetCursor(imgIContainer* aCursor,
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PRUint32 aHotspotX, PRUint32 aHotspotY);
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NS_IMETHOD SetHasTransparentBackground(bool aTransparent);
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NS_IMETHOD GetHasTransparentBackground(bool& aTransparent);
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NS_IMETHOD HideWindowChrome(bool aShouldHide);
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NS_IMETHOD MakeFullScreen(bool aFullScreen);
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NS_IMETHOD Invalidate(const nsIntRect &aRect);
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virtual void* GetNativeData(PRUint32 aDataType);
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NS_IMETHOD SetTitle(const nsAString& aTitle);
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NS_IMETHOD SetIcon(const nsAString& aIconSpec);
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virtual nsIntPoint WidgetToScreenOffset();
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NS_IMETHOD DispatchEvent(nsGUIEvent *aEvent, nsEventStatus &aStatus);
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NS_IMETHOD EnableDragDrop(bool aEnable);
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NS_IMETHOD CaptureMouse(bool aCapture);
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NS_IMETHOD CaptureRollupEvents(nsIRollupListener *aListener,
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bool aDoCapture,
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bool aConsumeRollupEvent);
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NS_IMETHOD SetWindowClass(const nsAString& xulWinType);
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NS_IMETHOD GetAttention(PRInt32 aCycleCount);
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NS_IMETHOD BeginResizeDrag (nsGUIEvent* aEvent, PRInt32 aHorizontal, PRInt32 aVertical);
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NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
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const InputContextAction& aAction);
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NS_IMETHOD_(InputContext) GetInputContext();
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NS_IMETHOD_(bool) HasGLContext();
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//
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// utility methods
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//
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void QWidgetDestroyed();
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/***** from CommonWidget *****/
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// event handling code
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void DispatchActivateEvent(void);
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void DispatchDeactivateEvent(void);
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void DispatchActivateEventOnTopLevelWindow(void);
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void DispatchDeactivateEventOnTopLevelWindow(void);
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void DispatchResizeEvent(nsIntRect &aRect, nsEventStatus &aStatus);
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nsEventStatus DispatchEvent(nsGUIEvent *aEvent) {
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nsEventStatus status;
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DispatchEvent(aEvent, status);
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return status;
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}
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// Some of the nsIWidget methods
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NS_IMETHOD IsEnabled (bool *aState);
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// called when we are destroyed
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void OnDestroy(void);
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// called to check and see if a widget's dimensions are sane
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bool AreBoundsSane(void);
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NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent);
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QWidget* GetViewWidget();
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virtual PRUint32 GetGLFrameBufferFormat() MOZ_OVERRIDE;
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protected:
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nsCOMPtr<nsIWidget> mParent;
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// Is this a toplevel window?
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bool mIsTopLevel;
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// Has this widget been destroyed yet?
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bool mIsDestroyed;
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// This flag tracks if we're hidden or shown.
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bool mIsShown;
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// is this widget enabled?
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bool mEnabled;
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// Has anyone set an x/y location for this widget yet? Toplevels
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// shouldn't be automatically set to 0,0 for first show.
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bool mPlaced;
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// Remember the last sizemode so that we can restore it when
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// leaving fullscreen
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nsSizeMode mLastSizeMode;
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InputContext mInputContext;
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/**
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* Event handlers (proxied from the actual qwidget).
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* They follow normal Qt widget semantics.
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*/
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void Initialize(MozQWidget *widget);
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friend class nsQtEventDispatcher;
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friend class InterceptContainer;
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friend class MozQWidget;
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virtual nsEventStatus OnMoveEvent(QGraphicsSceneHoverEvent *);
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virtual nsEventStatus OnResizeEvent(QGraphicsSceneResizeEvent *);
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virtual nsEventStatus OnCloseEvent(QCloseEvent *);
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virtual nsEventStatus OnEnterNotifyEvent(QGraphicsSceneHoverEvent *);
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virtual nsEventStatus OnLeaveNotifyEvent(QGraphicsSceneHoverEvent *);
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virtual nsEventStatus OnMotionNotifyEvent(QPointF, Qt::KeyboardModifiers);
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virtual nsEventStatus OnButtonPressEvent(QGraphicsSceneMouseEvent *);
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virtual nsEventStatus OnButtonReleaseEvent(QGraphicsSceneMouseEvent *);
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virtual nsEventStatus OnMouseDoubleClickEvent(QGraphicsSceneMouseEvent *);
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virtual nsEventStatus OnFocusInEvent(QEvent *);
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virtual nsEventStatus OnFocusOutEvent(QEvent *);
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virtual nsEventStatus OnKeyPressEvent(QKeyEvent *);
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virtual nsEventStatus OnKeyReleaseEvent(QKeyEvent *);
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virtual nsEventStatus OnScrollEvent(QGraphicsSceneWheelEvent *);
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virtual nsEventStatus contextMenuEvent(QGraphicsSceneContextMenuEvent *);
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virtual nsEventStatus imComposeEvent(QInputMethodEvent *, bool &handled);
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virtual nsEventStatus OnDragEnter (QGraphicsSceneDragDropEvent *);
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virtual nsEventStatus OnDragMotionEvent(QGraphicsSceneDragDropEvent *);
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virtual nsEventStatus OnDragLeaveEvent(QGraphicsSceneDragDropEvent *);
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virtual nsEventStatus OnDragDropEvent (QGraphicsSceneDragDropEvent *);
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virtual nsEventStatus showEvent(QShowEvent *);
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virtual nsEventStatus hideEvent(QHideEvent *);
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//Gestures are only supported in qt > 4.6
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#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
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virtual nsEventStatus OnTouchEvent(QTouchEvent *event, bool &handled);
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virtual nsEventStatus OnGestureEvent(QGestureEvent *event, bool &handled);
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nsEventStatus DispatchGestureEvent(PRUint32 aMsg, PRUint32 aDirection,
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double aDelta, const nsIntPoint& aRefPoint);
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double DistanceBetweenPoints(const QPointF &aFirstPoint, const QPointF &aSecondPoint);
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#endif
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void NativeResize(PRInt32 aWidth,
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PRInt32 aHeight,
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bool aRepaint);
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void NativeResize(PRInt32 aX,
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PRInt32 aY,
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PRInt32 aWidth,
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PRInt32 aHeight,
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bool aRepaint);
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void NativeShow (bool aAction);
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enum PluginType {
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PluginType_NONE = 0, /* do not have any plugin */
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PluginType_XEMBED, /* the plugin support xembed */
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PluginType_NONXEMBED /* the plugin does not support xembed */
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};
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void SetPluginType(PluginType aPluginType);
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void ThemeChanged(void);
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gfxASurface* GetThebesSurface();
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private:
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typedef struct {
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QPointF centerPoint;
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QPointF touchPoint;
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double delta;
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bool needDispatch;
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double startDistance;
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double prevDistance;
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} MozCachedTouchEvent;
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typedef struct {
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QPointF pos;
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Qt::KeyboardModifiers modifiers;
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bool needDispatch;
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} MozCachedMoveEvent;
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void* SetupPluginPort(void);
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nsresult SetWindowIconList(const nsTArray<nsCString> &aIconList);
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void SetDefaultIcon(void);
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void InitButtonEvent(nsMouseEvent &event, QGraphicsSceneMouseEvent *aEvent, int aClickCount = 1);
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nsEventStatus DispatchCommandEvent(nsIAtom* aCommand);
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nsEventStatus DispatchContentCommandEvent(PRInt32 aMsg);
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MozQWidget* createQWidget(MozQWidget* parent,
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nsNativeWidget nativeParent,
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nsWidgetInitData* aInitData);
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void SetSoftwareKeyboardState(bool aOpen, const InputContextAction& aAction);
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MozQWidget* mWidget;
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PRUint32 mIsVisible : 1,
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mActivatePending : 1;
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PRInt32 mSizeState;
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PluginType mPluginType;
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nsRefPtr<gfxASurface> mThebesSurface;
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nsCOMPtr<nsIdleService> mIdleService;
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bool mIsTransparent;
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// all of our DND stuff
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// this is the last window that had a drag event happen on it.
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void InitDragEvent (nsMouseEvent &aEvent);
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// this is everything we need to be able to fire motion events
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// repeatedly
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PRUint32 mKeyDownFlags[8];
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/* Helper methods for DOM Key Down event suppression. */
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PRUint32* GetFlagWord32(PRUint32 aKeyCode, PRUint32* aMask) {
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/* Mozilla DOM Virtual Key Code is from 0 to 224. */
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NS_ASSERTION((aKeyCode <= 0xFF), "Invalid DOM Key Code");
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aKeyCode &= 0xFF;
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/* 32 = 2^5 = 0x20 */
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*aMask = PRUint32(1) << (aKeyCode & 0x1F);
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return &mKeyDownFlags[(aKeyCode >> 5)];
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}
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bool IsKeyDown(PRUint32 aKeyCode) {
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PRUint32 mask;
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PRUint32* flag = GetFlagWord32(aKeyCode, &mask);
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return ((*flag) & mask) != 0;
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}
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void SetKeyDownFlag(PRUint32 aKeyCode) {
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PRUint32 mask;
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PRUint32* flag = GetFlagWord32(aKeyCode, &mask);
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*flag |= mask;
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}
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void ClearKeyDownFlag(PRUint32 aKeyCode) {
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PRUint32 mask;
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PRUint32* flag = GetFlagWord32(aKeyCode, &mask);
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*flag &= ~mask;
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}
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PRInt32 mQCursor;
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// Call this function when the users activity is the direct cause of an
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// event (like a keypress or mouse click).
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void UserActivity();
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inline void ProcessMotionEvent() {
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if (mPinchEvent.needDispatch) {
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double distance = DistanceBetweenPoints(mPinchEvent.centerPoint, mPinchEvent.touchPoint);
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distance *= 2;
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mPinchEvent.delta = distance - mPinchEvent.prevDistance;
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nsIntPoint centerPoint(mPinchEvent.centerPoint.x(), mPinchEvent.centerPoint.y());
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DispatchGestureEvent(NS_SIMPLE_GESTURE_MAGNIFY_UPDATE,
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0, mPinchEvent.delta, centerPoint);
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mPinchEvent.prevDistance = distance;
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}
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if (mMoveEvent.needDispatch) {
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nsMouseEvent event(true, NS_MOUSE_MOVE, this, nsMouseEvent::eReal);
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event.refPoint.x = nscoord(mMoveEvent.pos.x());
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event.refPoint.y = nscoord(mMoveEvent.pos.y());
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event.InitBasicModifiers(mMoveEvent.modifiers & Qt::ControlModifier,
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mMoveEvent.modifiers & Qt::AltModifier,
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mMoveEvent.modifiers & Qt::ShiftModifier,
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mMoveEvent.modifiers & Qt::MetaModifier);
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event.clickCount = 0;
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DispatchEvent(&event);
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mMoveEvent.needDispatch = false;
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}
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mTimerStarted = false;
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}
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void DispatchMotionToMainThread() {
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if (!mTimerStarted) {
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nsCOMPtr<nsIRunnable> event =
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NS_NewRunnableMethod(this, &nsWindow::ProcessMotionEvent);
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NS_DispatchToMainThread(event);
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mTimerStarted = true;
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}
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}
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// Remember dirty area caused by ::Scroll
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QRegion mDirtyScrollArea;
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#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
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QTime mLastMultiTouchTime;
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#endif
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bool mNeedsResize;
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bool mNeedsMove;
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bool mListenForResizes;
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bool mNeedsShow;
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bool mGesturesCancelled;
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MozCachedTouchEvent mPinchEvent;
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MozCachedMoveEvent mMoveEvent;
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bool mTimerStarted;
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};
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class nsChildWindow : public nsWindow
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{
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public:
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nsChildWindow();
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~nsChildWindow();
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PRInt32 mChildID;
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};
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class nsPopupWindow : public nsWindow
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{
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public:
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nsPopupWindow ();
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~nsPopupWindow ();
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PRInt32 mChildID;
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};
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#endif /* __nsWindow_h__ */
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