/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * John C. Griggs * Wes Morgan * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsWidget_h__ #define nsWidget_h__ #include "nsBaseWidget.h" #include "nsWeakReference.h" #include "nsIKBStateControl.h" #include "nsWidgetsCID.h" #include "nsIRegion.h" #include "nsIRollupListener.h" #include "nsLookAndFeel.h" #include "nsQWidget.h" class nsIAppShell; class nsIToolkit; class nsWidget : public nsBaseWidget, public nsIKBStateControl, public nsSupportsWeakReference { public: nsWidget(); virtual ~nsWidget(); NS_DECL_ISUPPORTS_INHERITED NS_IMETHOD Create(nsIWidget *aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell = nsnull, nsIToolkit *aToolkit = nsnull, nsWidgetInitData *aInitData = nsnull); NS_IMETHOD Create(nsNativeWidget aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell = nsnull, nsIToolkit *aToolkit = nsnull, nsWidgetInitData *aInitData = nsnull); NS_IMETHOD Destroy(void); nsIWidget* GetParent(void); NS_IMETHOD SetModal(PRBool aModal); NS_IMETHOD Show(PRBool state); NS_IMETHOD CaptureRollupEvents(nsIRollupListener *aListener, PRBool aDoCapture, PRBool aConsumeRollupEvent); NS_IMETHOD IsVisible(PRBool &aState); NS_IMETHOD ConstrainPosition(PRBool aAllowSlop, PRInt32 *aX, PRInt32 *aY); NS_IMETHOD Move(PRInt32 aX, PRInt32 aY); NS_IMETHOD Resize(PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint); NS_IMETHOD Resize(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, PRBool aRepaint); NS_IMETHOD Enable(PRBool aState); NS_IMETHOD SetFocus(PRBool aRaise); PRBool OnResize(nsSizeEvent event); virtual PRBool OnResize(nsRect &aRect); virtual PRBool OnMove(PRInt32 aX, PRInt32 aY); nsIFontMetrics *GetFont(void); NS_IMETHOD SetFont(const nsFont &aFont); NS_IMETHOD SetBackgroundColor(const nscolor &aColor); NS_IMETHOD SetCursor(nsCursor aCursor); NS_IMETHOD SetColorMap(nsColorMap *aColorMap); void* GetNativeData(PRUint32 aDataType); NS_IMETHOD WidgetToScreen(const nsRect &aOldRect, nsRect &aNewRect); NS_IMETHOD ScreenToWidget(const nsRect &aOldRect, nsRect &aNewRect); NS_IMETHOD BeginResizingChildren(void); NS_IMETHOD EndResizingChildren(void); NS_IMETHOD GetPreferredSize(PRInt32& aWidth, PRInt32& aHeight); NS_IMETHOD SetPreferredSize(PRInt32 aWidth, PRInt32 aHeight); NS_IMETHOD SetTitle(const nsString& aTitle); virtual void ConvertToDeviceCoordinates(nscoord &aX, nscoord &aY); // the following are nsWindow specific, and just stubbed here NS_IMETHOD Scroll(PRInt32 aDx, PRInt32 aDy, nsRect *aClipRect); NS_IMETHOD SetMenuBar(nsIMenuBar *aMenuBar) { return NS_ERROR_FAILURE; } NS_IMETHOD ShowMenuBar(PRBool aShow) { return NS_ERROR_FAILURE; } NS_IMETHOD CaptureMouse(PRBool aCapture) { return NS_ERROR_FAILURE; } virtual PRBool OnPaint(nsPaintEvent &event) { return PR_FALSE; }; virtual PRBool OnKey(nsKeyEvent &aEvent) { return PR_FALSE; }; virtual PRBool OnText(nsTextEvent &aEvent) { return PR_FALSE; }; virtual PRBool OnComposition(nsCompositionEvent &aEvent) { return PR_FALSE; }; virtual PRBool DispatchFocus(nsGUIEvent &aEvent) { return PR_FALSE; }; virtual PRBool DispatchFocusInEvent() { return PR_FALSE; }; virtual PRBool DispatchFocusOutEvent() { return PR_FALSE; }; virtual PRBool DispatchActivateEvent() { return PR_FALSE; }; NS_IMETHOD Invalidate(PRBool aIsSynchronous); NS_IMETHOD Invalidate(const nsRect &aRect, PRBool aIsSynchronous); NS_IMETHOD InvalidateRegion(const nsIRegion *aRegion, PRBool aIsSynchronous); NS_IMETHOD Update(void); NS_IMETHOD DispatchEvent(nsGUIEvent* event, nsEventStatus & aStatus); // nsIKBStateControl NS_IMETHOD ResetInputState(); NS_IMETHOD PasswordFieldInit(); void InitEvent(nsGUIEvent& event,PRUint32 aEventType,nsPoint* aPoint = nsnull); // Utility functions const char *GetName(); PRBool ConvertStatus(nsEventStatus aStatus); PRBool DispatchMouseEvent(nsMouseEvent& aEvent); PRBool DispatchStandardEvent(PRUint32 aMsg); PRBool DispatchMouseScrollEvent(nsMouseScrollEvent& aEvent); virtual PRBool IsPopup() const { return PR_FALSE; }; virtual PRBool IsDialog() const { return PR_FALSE; }; // Deal with rollup for popups PRBool HandlePopup(PRInt32 inMouseX,PRInt32 inMouseY); protected: virtual void InitCallbacks(char * aName = nsnull); virtual void OnDestroy(); NS_IMETHOD CreateNative(QWidget *parentWindow); nsresult CreateWidget(nsIWidget *aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData, nsNativeWidget aNativeParent = nsnull); PRBool DispatchWindowEvent(nsGUIEvent* event); protected: nsQBaseWidget *mWidget; nsCOMPtr mParent; // composite update area - union of all Invalidate calls nsCOMPtr mUpdateArea; PRUint32 mPreferredWidth; PRUint32 mPreferredHeight; PRBool mListenForResizes; PRBool mIsToplevel; PRUint32 mWidgetID; // this is the rollup listener variables static nsCOMPtr gRollupListener; static nsWeakPtr gRollupWidget; static PRBool gRollupConsumeRollupEvent; }; #endif /* nsWidget_h__ */