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215 lines
9.1 KiB
C
215 lines
9.1 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 nsBaseWidget_h__
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#define nsBaseWidget_h__
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#include "nsRect.h"
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#include "nsIWidget.h"
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#include "nsIMouseListener.h"
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#include "nsIEventListener.h"
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#include "nsIMenuListener.h"
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#include "nsIToolkit.h"
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#include "nsIAppShell.h"
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#include "nsILocalFile.h"
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#include "nsString.h"
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#include "nsVoidArray.h"
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#include "nsCOMPtr.h"
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#include "nsGUIEvent.h"
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/**
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* Common widget implementation used as base class for native
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* or crossplatform implementations of Widgets.
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* All cross-platform behavior that all widgets need to implement
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* should be placed in this class.
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* (Note: widget implementations are not required to use this
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* class, but it gives them a head start.)
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*/
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class nsBaseWidget : public nsIWidget
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{
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public:
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nsBaseWidget();
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virtual ~nsBaseWidget();
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NS_DECL_ISUPPORTS
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NS_IMETHOD PreCreateWidget(nsWidgetInitData *aWidgetInitData) { return NS_OK;}
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// nsIWidget interface
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NS_IMETHOD CaptureMouse(PRBool aCapture);
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NS_IMETHOD Validate();
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NS_IMETHOD InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous);
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NS_IMETHOD GetClientData(void*& aClientData);
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NS_IMETHOD SetClientData(void* aClientData);
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NS_IMETHOD Destroy();
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NS_IMETHOD SetParent(nsIWidget* aNewParent);
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virtual nsIWidget* GetParent(void);
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virtual void AddChild(nsIWidget* aChild);
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virtual void RemoveChild(nsIWidget* aChild);
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NS_IMETHOD SetZIndex(PRInt32 aZIndex);
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NS_IMETHOD GetZIndex(PRInt32* aZIndex);
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NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
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nsIWidget *aWidget, PRBool aActivate);
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NS_IMETHOD SetSizeMode(PRInt32 aMode);
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NS_IMETHOD GetSizeMode(PRInt32* aMode);
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virtual nscolor GetForegroundColor(void);
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NS_IMETHOD SetForegroundColor(const nscolor &aColor);
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virtual nscolor GetBackgroundColor(void);
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NS_IMETHOD SetBackgroundColor(const nscolor &aColor);
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virtual nsCursor GetCursor();
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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 GetWindowType(nsWindowType& aWindowType);
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NS_IMETHOD SetWindowType(nsWindowType aWindowType);
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NS_IMETHOD SetWindowTranslucency(PRBool aTranslucent);
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NS_IMETHOD GetWindowTranslucency(PRBool& aTranslucent);
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NS_IMETHOD UpdateTranslucentWindowAlpha(const nsRect& aRect, PRUint8* aAlphas);
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NS_IMETHOD HideWindowChrome(PRBool aShouldHide);
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NS_IMETHOD MakeFullScreen(PRBool aFullScreen);
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nsresult MakeFullScreenInternal(PRBool aFullScreen);
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virtual nsIRenderingContext* GetRenderingContext();
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virtual nsIDeviceContext* GetDeviceContext();
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virtual nsIToolkit* GetToolkit();
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#ifdef MOZ_CAIRO_GFX
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virtual gfxASurface* GetThebesSurface();
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#endif
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NS_IMETHOD SetModal(PRBool aModal);
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NS_IMETHOD ModalEventFilter(PRBool aRealEvent, void *aEvent,
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PRBool *aForWindow);
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NS_IMETHOD SetWindowClass(const nsAString& xulWinType);
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NS_IMETHOD SetBorderStyle(nsBorderStyle aBorderStyle);
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NS_IMETHOD AddMouseListener(nsIMouseListener * aListener);
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NS_IMETHOD AddEventListener(nsIEventListener * aListener);
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NS_IMETHOD AddMenuListener(nsIMenuListener * aListener);
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NS_IMETHOD SetBounds(const nsRect &aRect);
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NS_IMETHOD GetBounds(nsRect &aRect);
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NS_IMETHOD GetClientBounds(nsRect &aRect);
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NS_IMETHOD GetScreenBounds(nsRect &aRect);
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NS_IMETHOD GetBorderSize(PRInt32 &aWidth, PRInt32 &aHeight);
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NS_IMETHOD ScrollRect(nsRect &aRect, PRInt32 aDx, PRInt32 aDy);
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NS_IMETHOD ScrollWidgets(PRInt32 aDx, PRInt32 aDy);
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NS_IMETHOD EnableDragDrop(PRBool aEnable);
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NS_IMETHOD GetAttention(PRInt32 aCycleCount);
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NS_IMETHOD GetLastInputEventTime(PRUint32& aTime);
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NS_IMETHOD SetIcon(const nsAString &anIconSpec);
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virtual void ConvertToDeviceCoordinates(nscoord &aX,nscoord &aY) {}
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virtual void FreeNativeData(void * data, PRUint32 aDataType) {}//~~~
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protected:
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virtual void ResolveIconName(const nsAString &aIconName,
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const nsAString &aIconSuffix,
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nsILocalFile **aResult);
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virtual void OnDestroy();
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virtual void BaseCreate(nsIWidget *aParent,
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const nsRect &aRect,
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EVENT_CALLBACK aHandleEventFunction,
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nsIDeviceContext *aContext,
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nsIAppShell *aAppShell,
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nsIToolkit *aToolkit,
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nsWidgetInitData *aInitData);
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protected:
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void* mClientData;
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EVENT_CALLBACK mEventCallback;
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nsIDeviceContext *mContext;
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nsIToolkit *mToolkit;
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nsIMouseListener *mMouseListener;
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nsIEventListener *mEventListener;
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nsIMenuListener *mMenuListener;
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nscolor mBackground;
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nscolor mForeground;
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nsCursor mCursor;
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nsWindowType mWindowType;
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nsBorderStyle mBorderStyle;
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PRPackedBool mIsShiftDown;
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PRPackedBool mIsControlDown;
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PRPackedBool mIsAltDown;
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PRPackedBool mIsDestroying;
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PRPackedBool mOnDestroyCalled;
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nsRect mBounds;
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nsRect* mOriginalBounds;
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PRInt32 mZIndex;
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nsSizeMode mSizeMode;
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// Enumeration of the methods which are accessible on the "main GUI thread"
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// via the CallMethod(...) mechanism...
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// see nsSwitchToUIThread
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enum {
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CREATE = 0x0101,
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CREATE_NATIVE,
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DESTROY,
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SET_FOCUS,
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SET_CURSOR,
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CREATE_HACK
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};
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#ifdef DEBUG
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protected:
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static nsAutoString debug_GuiEventToString(nsGUIEvent * aGuiEvent);
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static PRBool debug_WantPaintFlashing();
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static void debug_DumpInvalidate(FILE * aFileOut,
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nsIWidget * aWidget,
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const nsRect * aRect,
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PRBool aIsSynchronous,
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const nsCAutoString & aWidgetName,
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PRInt32 aWindowID);
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static void debug_DumpEvent(FILE * aFileOut,
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nsIWidget * aWidget,
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nsGUIEvent * aGuiEvent,
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const nsCAutoString & aWidgetName,
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PRInt32 aWindowID);
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static void debug_DumpPaintEvent(FILE * aFileOut,
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nsIWidget * aWidget,
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nsPaintEvent * aPaintEvent,
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const nsCAutoString & aWidgetName,
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PRInt32 aWindowID);
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static PRBool debug_GetCachedBoolPref(const char* aPrefName);
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#endif
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};
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#endif // nsBaseWidget_h__
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