260 lines
9.2 KiB
C++
260 lines
9.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef Window_h__
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#define Window_h__
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#include "nsdefs.h"
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#include "nsObject.h"
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#include "nsSwitchToUIThread.h"
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#include "nsToolkit.h"
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#include "nsIWidget.h"
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#include "nsIEnumerator.h"
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#include "nsIMouseListener.h"
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#include "nsIEventListener.h"
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#include "nsStringUtil.h"
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#include "nsString.h"
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#include "nsVoidArray.h"
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#define NSRGB_2_COLOREF(color) \
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RGB(NS_GET_R(color),NS_GET_G(color),NS_GET_B(color))
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/**
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* Native WIN32 window wrapper.
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*/
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class nsWindow : public nsObject,
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public nsSwitchToUIThread,
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public nsIWidget
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{
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public:
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nsWindow();
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virtual ~nsWindow();
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// nsISupports
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NS_IMETHOD_(nsrefcnt) AddRef();
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NS_IMETHOD_(nsrefcnt) Release();
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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virtual void PreCreateWidget(nsWidgetInitData *aWidgetInitData) {}
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// nsIWidget interface
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virtual void Create(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 = nsnull,
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nsIToolkit *aToolkit = nsnull,
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nsWidgetInitData *aInitData = nsnull);
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virtual void Create(nsNativeWidget 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 = nsnull,
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nsIToolkit *aToolkit = nsnull,
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nsWidgetInitData *aInitData = nsnull);
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NS_IMETHOD GetClientData(void*& aClientData);
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NS_IMETHOD SetClientData(void* aClientData);
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virtual void Destroy();
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virtual nsIWidget* GetParent(void);
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virtual nsIEnumerator* GetChildren();
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virtual void AddChild(nsIWidget* aChild);
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virtual void RemoveChild(nsIWidget* aChild);
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virtual void Show(PRBool bState);
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virtual void Move(PRUint32 aX, PRUint32 aY);
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virtual void Resize(PRUint32 aWidth,
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PRUint32 aHeight,
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PRBool aRepaint);
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virtual void Resize(PRUint32 aX,
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PRUint32 aY,
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PRUint32 aWidth,
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PRUint32 aHeight,
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PRBool aRepaint);
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virtual void Enable(PRBool bState);
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virtual void SetFocus(void);
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virtual void GetBounds(nsRect &aRect);
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virtual nscolor GetForegroundColor(void);
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virtual void SetForegroundColor(const nscolor &aColor);
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virtual nscolor GetBackgroundColor(void);
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virtual void SetBackgroundColor(const nscolor &aColor);
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virtual nsIFontMetrics* GetFont(void);
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virtual void SetFont(const nsFont &aFont);
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virtual nsCursor GetCursor();
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virtual void SetCursor(nsCursor aCursor);
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virtual void Invalidate(PRBool aIsSynchronous);
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virtual void* GetNativeData(PRUint32 aDataType);
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virtual nsIRenderingContext* GetRenderingContext();
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virtual void SetColorMap(nsColorMap *aColorMap);
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virtual nsIDeviceContext* GetDeviceContext();
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virtual nsIAppShell * GetAppShell();
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virtual void Scroll(PRInt32 aDx, PRInt32 aDy, nsRect *aClipRect);
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virtual nsIToolkit* GetToolkit();
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virtual void SetBorderStyle(nsBorderStyle aBorderStyle);
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virtual void SetTitle(const nsString& aTitle);
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virtual void SetTooltips(PRUint32 aNumberOfTips,nsRect* aTooltipAreas[]);
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virtual void RemoveTooltips();
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virtual void UpdateTooltips(nsRect* aNewTips[]);
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virtual void WidgetToScreen(const nsRect& aOldRect, nsRect& aNewRect);
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virtual void ScreenToWidget(const nsRect& aOldRect, nsRect& aNewRect);
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virtual void AddMouseListener(nsIMouseListener * aListener);
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virtual void AddEventListener(nsIEventListener * aListener);
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virtual void BeginResizingChildren(void);
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virtual void EndResizingChildren(void);
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virtual void SetUpForPaint(HDC aHDC);
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virtual void ConvertToDeviceCoordinates(nscoord &aX,nscoord &aY) {}
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// nsSwitchToUIThread interface
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virtual BOOL CallMethod(MethodInfo *info);
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HWND GetWindowHandle() { return mWnd; }
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WNDPROC GetPrevWindowProc() { return mPrevWndProc; }
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virtual PRBool DispatchMouseEvent(PRUint32 aEventType, nsPoint* aPoint = nsnull);
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virtual PRBool AutoErase();
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nsPoint* GetLastPoint() { return &mLastPoint; }
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protected:
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virtual PRBool ProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *aRetValue);
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// Allow Derived classes to modify the height that is passed
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// when the window is created or resized.
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virtual PRInt32 GetHeight(PRInt32 aProposedHeight);
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virtual LPCTSTR WindowClass();
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virtual DWORD WindowStyle();
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virtual DWORD WindowExStyle();
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virtual void SubclassWindow(BOOL bState);
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virtual void OnDestroy();
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virtual PRBool OnMove(PRInt32 aX, PRInt32 aY);
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virtual PRBool OnPaint();
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virtual PRBool OnResize(nsRect &aWindowRect);
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virtual PRBool OnKey(PRUint32 aEventType, PRUint32 aKeyCode);
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virtual PRBool DispatchFocus(PRUint32 aEventType);
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virtual PRBool OnScroll(UINT scrollCode, int cPos);
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virtual HBRUSH OnControlColor();
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static LRESULT CALLBACK WindowProc(HWND hWnd,
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UINT msg,
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WPARAM wParam,
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LPARAM lParam);
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static PRBool ConvertStatus(nsEventStatus aStatus);
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DWORD GetBorderStyle(nsBorderStyle aBorderStyle);
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void InitEvent(nsGUIEvent& event, PRUint32 aEventType, nsPoint* aPoint = nsnull);
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PRBool DispatchEvent(nsGUIEvent* event);
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PRBool DispatchStandardEvent(PRUint32 aMsg);
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void AddTooltip(HWND hwndOwner, nsRect* aRect, int aId);
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void RelayMouseEvent(UINT aMsg, WPARAM wParam, LPARAM lParam);
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void GetNonClientBounds(nsRect &aRect);
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protected:
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static nsWindow* gCurrentWindow;
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nsPoint mLastPoint;
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HWND mWnd;
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HWND mTooltip;
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HPALETTE mPalette;
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WNDPROC mPrevWndProc;
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EVENT_CALLBACK mEventCallback;
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nsIDeviceContext *mContext;
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nsIAppShell *mAppShell;
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nsToolkit *mToolkit;
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nsIMouseListener * mMouseListener;
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nsIEventListener * mEventListener;
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nscolor mBackground;
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HBRUSH mBrush;
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nscolor mForeground;
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nsCursor mCursor;
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nsBorderStyle mBorderStyle;
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PRBool mIsShiftDown;
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PRBool mIsControlDown;
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PRBool mIsAltDown;
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PRBool mIsDestroying;
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PRBool mOnDestroyCalled;
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PRInt32 mWidth;
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PRInt32 mHeight;
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void* mClientData;
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// keep the list of children
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class Enumerator : public nsIEnumerator {
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public:
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NS_DECL_ISUPPORTS
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Enumerator();
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~Enumerator();
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NS_IMETHOD_(nsISupports*) Next();
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NS_IMETHOD_(void) Reset();
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void Append(nsIWidget* aWidget);
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void Remove(nsIWidget* aWidget);
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private:
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nsVoidArray mChildren;
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PRInt32 mCurrentPosition;
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} *mChildren;
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// Enumeration of the methods which are accessable 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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static BOOL sIsRegistered;
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HDWP mDeferredPositioner;
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};
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//
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// A child window is a window with different style
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//
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class ChildWindow : public nsWindow {
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public:
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ChildWindow(){}
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PRBool DispatchMouseEvent(PRUint32 aEventType, nsPoint* aPoint = nsnull);
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protected:
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virtual DWORD WindowStyle();
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virtual DWORD WindowExStyle() { return 0; }
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};
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#endif // Window_h__
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