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CTextInputEventHandler.h
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00001 /* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is the Mozilla browser.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications, Inc.
00020  * Portions created by the Initial Developer are Copyright (C) 1999
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Frank Yung-Fong Tang <ftang@netscape.com>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
00028  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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00038  * ***** END LICENSE BLOCK ***** */
00039  
00040 #ifndef CTextInputEventHandler_h__
00041 #define CTextInputEventHandler_h__
00042 
00043 #include <CarbonEvents.h>
00044 #include <TextServices.h>
00045 
00046 #include "nsIMacTextInputEventSink.h"
00047 
00048 #include "CBrowserShell.h"
00049 
00050 class CTextInputEventHandler
00051 {
00052 public:
00053   CTextInputEventHandler() {};
00054   virtual ~CTextInputEventHandler() {};
00055   
00056   virtual OSStatus HandleAll( EventHandlerCallRef inHandlerCallRef, 
00057                               EventRef inEvent);
00058 protected:  
00059   virtual OSStatus HandleUnicodeForKeyEvent( CBrowserShell* aBrwoserShell, 
00060                                              EventHandlerCallRef inHandlerCallRef, 
00061                                              EventRef inEvent);
00062   virtual OSStatus HandleUpdateActiveInputArea( CBrowserShell* sink, 
00063                                                 EventHandlerCallRef inHandlerCallRef, 
00064                                                 EventRef inEvent);
00065   virtual OSStatus HandleOffsetToPos( CBrowserShell* aBrwoserShell, 
00066                                       EventHandlerCallRef inHandlerCallRef, 
00067                                       EventRef inEvent);
00068   virtual OSStatus HandlePosToOffset( CBrowserShell* aBrwoserShell, 
00069                                       EventHandlerCallRef inHandlerCallRef, 
00070                                       EventRef inEvent);
00071   virtual OSStatus HandleGetSelectedText( CBrowserShell* aBrwoserShell, 
00072                                       EventHandlerCallRef inHandlerCallRef, 
00073                                       EventRef inEvent);
00074   
00075   virtual CBrowserShell* GetGeckoTarget();
00076  
00077 private:
00078   OSStatus GetText(EventRef inEvent, nsString& outString);
00079   OSStatus GetScriptLang(EventRef inEvent, ScriptLanguageRecord& outSlr);
00080 };
00081 
00082 void InitializeTextInputEventHandling();
00083 
00084 #endif /* CTextInputEventHandler_h__ */
00085