Mozilla/mozilla/widget/src/mac/nsMacEventHandler.h
ftang%netscape.com bea6b1f22a fix bug 137695, add japanese ime reconversion to mac, r=brade, sr=sfraser
git-svn-id: svn://10.0.0.236/trunk@127099 18797224-902f-48f8-a5cc-f745e15eee43
2002-08-12 21:56:36 +00:00

224 lines
7.7 KiB
C++

/* -*- 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 MacMacEventHandler_h__
#define MacMacEventHandler_h__
#include <ConditionalMacros.h>
#include <Events.h>
#include <MacWindows.h>
#include <TextServices.h>
#include <Controls.h>
#include "prtypes.h"
#include "nsCOMPtr.h"
#include "nsGUIEvent.h"
#include "nsDeleteObserver.h"
#include "nsString.h"
class nsWindow;
class nsMacWindow;
#if !TARGET_CARBON
// On OS9, we can't rely on the mouse location from the OS when we're
// tracking the scrollwheel. That's because most drivers patch the OS
// to make everyone think the mouse is hovering over the up/down scroll
// arrow. As a result, we have to track it ourselves to get the correct
// local mouse coordinate when determining where the mouse is for
// scrolling. Luckily, OSX doesn't have this insanity.
#define TRACK_MOUSE_LOC 1
#endif
#if UNIVERSAL_INTERFACES_VERSION < 0x0337
enum {
kEventMouseWheelAxisX = 0,
kEventMouseWheelAxisY = 1
};
typedef UInt16 EventMouseWheelAxis;
#endif
#if !TARGET_CARBON
//
// struct PhantomScrollbarData
//
// When creating the phantom scrollbar for a Gecko instance, create
// one of these structures and stick it in the control's refCon. It
// is used not only to identify our scrollbar from any others, but
// also to pass data to the scrollbar's action proc about which
// widget is the one the mouse is over.
//
struct PhantomScrollbarData
{
PhantomScrollbarData ( )
: mTag(kUniqueTag), mWidgetToGetEvent(nsnull) { }
enum ResType { kUniqueTag = 'mozz' };
ResType mTag; // should always be kUniqueTag
nsIWidget* mWidgetToGetEvent; // for the action proc, the widget to get the event
};
#endif
//-------------------------------------------------------------------------
//
//-------------------------------------------------------------------------
class nsMacEventDispatchHandler : public nsDeleteObserver
{
public:
nsMacEventDispatchHandler();
virtual ~nsMacEventDispatchHandler();
void DispatchGuiEvent(nsWindow *aWidget, PRUint32 aEventType);
void DispatchSizeModeEvent(nsWindow *aWidget, nsSizeMode aMode);
void SetFocus(nsWindow *aFocusedWidget);
void SetActivated(nsWindow *aActiveWidget);
nsWindow* GetActive() {return(mActiveWidget);}
void SetDeactivated(nsWindow *aActiveWidget);
void SetWidgetHit(nsWindow *aWidgetHit);
void SetWidgetPointed(nsWindow *aWidgetPointed);
nsWindow* GetWidgetHit() {return(mWidgetHit);}
nsWindow* GetWidgetPointed() {return(mWidgetPointed);}
// DeleteObserver
virtual void NotifyDelete(void* aDeletedObject);
#if TRACK_MOUSE_LOC
void SetGlobalPoint(Point inPoint);
Point GetGlobalPoint() { return mLastGlobalMouseLoc; }
#endif
private:
nsWindow* mActiveWidget;
nsWindow* mWidgetHit;
nsWindow* mWidgetPointed;
#if TRACK_MOUSE_LOC
Point mLastGlobalMouseLoc;
#endif
};
//-------------------------------------------------------------------------
//
//-------------------------------------------------------------------------
extern nsMacEventDispatchHandler gEventDispatchHandler;
//-------------------------------------------------------------------------
//
//-------------------------------------------------------------------------
class nsMacEventHandler
{
public:
nsMacEventHandler(nsMacWindow* aTopLevelWidget);
virtual ~nsMacEventHandler();
virtual PRBool HandleOSEvent(EventRecord& aOSEvent);
#if USE_MENUSELECT
virtual PRBool HandleMenuCommand(EventRecord& aOSEvent, long aMenuResult);
#endif
// Tell Gecko that a drag event has occurred and should go into Gecko
virtual PRBool DragEvent ( unsigned int aMessage, Point aMouseGlobal, UInt16 aKeyModifiers ) ;
//virtual PRBool TrackDrag ( Point aMouseGlobal, UInt32 aKeyModifiers ) ;
//
// TSM Event Handlers
//
virtual long HandlePositionToOffset(Point aPoint,short* regionClass);
virtual nsresult HandleOffsetToPosition(long offset,Point* position);
virtual nsresult HandleUpdateInputArea(char* text,Size text_size, ScriptCode textScript,long fixedLength,TextRangeArray* textRangeArray);
virtual nsresult UnicodeHandleUpdateInputArea(PRUnichar* text, long charCount, long fixedLength,TextRangeArray* textRangeArray);
virtual nsresult HandleUnicodeGetSelectedText(nsAString& outString);
virtual nsresult ResetInputState();
virtual PRBool HandleUKeyEvent(PRUnichar* text, long charCount, EventRecord& aOSEvent);
//
// Synthetic events, generated internally to do things at specific times and
// not have to rely on hacking up EventRecords to fake it.
//
virtual PRBool UpdateEvent ( ) ;
virtual PRBool ResizeEvent ( WindowRef inWindow ) ;
virtual PRBool Scroll ( EventMouseWheelAxis inAxis, PRInt32 inDelta, const Point& inMouseLoc );
protected:
#if 1
virtual void InitializeKeyEvent(nsKeyEvent& aKeyEvent, EventRecord& aOSEvent,
nsWindow* aFocusedWidget, PRUint32 aMessage,
PRBool* aIsChar=nsnull, PRBool aConvertChar=PR_TRUE);
virtual PRBool IsSpecialRaptorKey(UInt32 macKeyCode);
virtual PRUint32 ConvertKeyEventToUnicode(EventRecord& aOSEvent);
#endif
virtual PRBool HandleKeyEvent(EventRecord& aOSEvent);
virtual PRBool HandleActivateEvent(EventRecord& aOSEvent);
virtual PRBool HandleMouseDownEvent(EventRecord& aOSEvent);
virtual PRBool HandleMouseUpEvent(EventRecord& aOSEvent);
virtual PRBool HandleMouseMoveEvent(EventRecord& aOSEvent);
virtual void ConvertOSEventToMouseEvent(
EventRecord& aOSEvent,
nsMouseEvent& aMouseEvent,
PRUint32 aMessage);
virtual nsresult HandleStartComposition(void);
virtual nsresult HandleEndComposition(void);
virtual nsresult HandleTextEvent(PRUint32 textRangeCount, nsTextRangeArray textRangeArray);
protected:
static PRBool sMouseInWidgetHit;
static PRBool sInBackground;
#if !TARGET_CARBON
ControlActionUPP mControlActionProc;
#endif
nsMacWindow* mTopLevelWidget;
RgnHandle mUpdateRgn;
TSMDocumentID mTSMDocument;
nsPoint mIMEPos;
PRBool mIMEIsComposing;
nsAutoString *mIMECompositionStr;
};
#endif // MacMacEventHandler_h__