/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** 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): * * 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 "nsIKBStateControl.h" #include "nsIRegion.h" #include "nsIDragService.h" class nsILookAndFeel; class nsIAppShell; class nsIToolkit; #include class nsWidget; typedef struct DamageQueueEntry_s { PtWidget_t *widget; nsWidget *inst; DamageQueueEntry_s *next; }DamageQueueEntry; #define NS_TO_PH_RGB(ns) (ns & 0xff) << 16 | (ns & 0xff00) | ((ns >> 16) & 0xff) #define PH_TO_NS_RGB(ns) (ns & 0xff) << 16 | (ns & 0xff00) | ((ns >> 16) & 0xff) /** * Base of all Photon native widgets. */ class nsWidget : public nsBaseWidget, nsIKBStateControl { public: nsWidget(); virtual ~nsWidget(); NS_DECL_ISUPPORTS_INHERITED // nsIWidget 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); virtual void OnDestroy(); 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); // Use this to set the name of a widget for normal widgets.. not the same as the nsWindow version 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 ScrollWidgets(PRInt32 aDx, PRInt32 aDy); NS_IMETHOD SetMenuBar(nsIMenuBar *aMenuBar); NS_IMETHOD ShowMenuBar(PRBool aShow); // *could* be done on a widget, but that would be silly wouldn't it? NS_IMETHOD CaptureMouse(PRBool aCapture) { return NS_ERROR_FAILURE; } 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 PRBool ConvertStatus(nsEventStatus aStatus); PRBool DispatchMouseEvent(nsMouseEvent& aEvent); PRBool DispatchStandardEvent(PRUint32 aMsg); PRBool DispatchFocus(nsGUIEvent &aEvent); // are we a "top level" widget? PRBool mIsToplevel; // Set/Get the Pt_ARG_USER_DATA associated with each PtWidget_t * // this is always set to the "this" that owns the PtWidget_t static PRBool SetInstance( PtWidget_t *pWidget, nsWidget * inst ); static nsWidget* GetInstance( PtWidget_t *pWidget ); protected: virtual void InitCallbacks(char * aName = nsnull); NS_IMETHOD CreateNative(PtWidget_t *parentWindow) { return NS_OK; } nsresult CreateWidget(nsIWidget *aParent, const nsRect &aRect, EVENT_CALLBACK aHandleEventFunction, nsIDeviceContext *aContext, nsIAppShell *aAppShell, nsIToolkit *aToolkit, nsWidgetInitData *aInitData, nsNativeWidget aNativeParent = nsnull); //#if defined(DEBUG) static nsAutoString GuiEventToString(nsGUIEvent * aGuiEvent); static nsAutoString PhotonEventToString(PhEvent_t * aPhEvent); //#endif PRBool DispatchWindowEvent(nsGUIEvent* event); void DispatchDragDropEvent( PRUint32 aEventType, PhPoint_t *pos ); void ProcessDrag( PhEvent_t *event, PRUint32 aEventType, PhPoint_t *pos ); // this is the "native" destroy code that will destroy any // native windows / widgets for this logical widget virtual void DestroyNative(void); ////////////////////////////////////////////////////////////////// // // Photon event support methods // ////////////////////////////////////////////////////////////////// static int RawEventHandler( PtWidget_t *widget, void *data, PtCallbackInfo_t *cbinfo ); virtual PRBool HandleEvent( PtWidget_t *, PtCallbackInfo_t* aCbInfo ); PRBool DispatchMouseEvent(PhPoint_t &aPos, PRUint32 aEvent); PRBool DispatchKeyEvent(PhKeyEvent_t *aPhKeyEvent); virtual void ScreenToWidget( PhPoint_t &pt ); void InitKeyEvent(PhKeyEvent_t *aPhKeyEvent, nsWidget *aWidget, nsKeyEvent &aKeyEvent, PRUint32 aEventType); void InitMouseEvent(PhPointerEvent_t * aPhButtonEvent, nsWidget * aWidget, nsMouseEvent & anEvent, PRUint32 aEventType); /* Convert Photon key codes to Mozilla key codes */ PRUint32 nsConvertKey(unsigned long keysym, PRBool *aIsChar); //Enable/Disable Photon Damage void EnableDamage( PtWidget_t *widget, PRBool enable ); //Get the Parent's area minus the children's area for clipping reasons PRBool GetParentClippedArea( nsRect &rect ); ////////////////////////////////////////////////////////////////// // // Damage Queue Methods and Members // ////////////////////////////////////////////////////////////////// void InitDamageQueue(); void RemoveDamagedWidget(PtWidget_t *aWidget); void QueueWidgetDamage(); void UpdateWidgetDamage(); // The Damage Queue Work Proc. static int WorkProc( void *data ); static DamageQueueEntry *mDmgQueue; static PRBool mDmgQueueInited; static PtWorkProcId_t *mWorkProcID; ////////////////////////////////////////////////////////////////// // // Photon widget callbacks // ////////////////////////////////////////////////////////////////// static int GotFocusCallback( PtWidget_t *widget, void *data, PtCallbackInfo_t *cbinfo ); static int LostFocusCallback( PtWidget_t *widget, void *data, PtCallbackInfo_t *cbinfo ); static int DestroyedCallback( PtWidget_t *widget, void *data, PtCallbackInfo_t *cbinfo ); static int DndCallback( PtWidget_t *widget, void *data, PtCallbackInfo_t *cbinfo ); PtWidget_t *mWidget; nsIWidget *mParent; #if 0 // This is the composite update area (union of all the calls to Invalidate) nsIRegion *mUpdateArea; #endif PRBool mShown; PRUint32 mPreferredWidth, mPreferredHeight; PRBool mListenForResizes; // Focus used global variable static nsWidget* sFocusWidget; //Current Focus Widget static PRBool sJustGotDeactivated; static PRBool sJustGotActivated; //For getting rid of the ASSERT ERROR due to reducing suppressing of focus. /* this is the rollup listener variables */ /* These variables help us close the Menu when the clicks outside the application */ static nsIRollupListener *gRollupListener; static nsIWidget *gRollupWidget; static nsILookAndFeel *sLookAndFeel; // static nsCOMPtr sDragService; static nsIDragService *sDragService; static PRUint32 sWidgetCount; }; #endif /* nsWidget_h__ */