widget/src/qt/nsToolkit.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   John C. Griggs <johng@corel.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38 #ifndef nsToolkit_h__
  39 #define nsToolkit_h__
  40
  41 #include "nsIToolkit.h"
  42 #include "nsString.h"
  43 #include <QPixmap>
  44
  45 /**
  46  * Wrapper around the thread running the message pump.
  47  * The toolkit abstraction is necessary because the message pump must
  48  * execute within the same thread that created the widget under Win32.
  49  */
  50 class nsToolkit : public nsIToolkit
  51 {
  52 public:
  53     nsToolkit();
  54     virtual ~nsToolkit();
  55
  56     void          CreateSharedGC(void);
  57     Qt::HANDLE    GetSharedGC(void);
  58
  59     /**
  60      * Get/set our value of DESKTOP_STARTUP_ID. When non-empty, this is applied
  61      * to the next toplevel window to be shown or focused (and then immediately
  62      * cleared).
  63      */
  64     void SetDesktopStartupID(const nsACString& aID) { mDesktopStartupID = aID; }
  65     void GetDesktopStartupID(nsACString* aID) { *aID = mDesktopStartupID; }
  66
  67     /**
  68      * Get/set the timestamp value to be used, if non-zero, to focus the
  69      * next top-level window to be shown or focused (upon which it is cleared).
  70      */
  71     void SetFocusTimestamp(PRUint32 aTimestamp) { mFocusTimestamp = aTimestamp; }
  72     PRUint32 GetFocusTimestamp() { return mFocusTimestamp; }
  73
  74     NS_DECL_ISUPPORTS
  75     NS_IMETHOD Init(PRThread *aThread);
  76
  77 private:
  78     nsCString      mDesktopStartupID;
  79     PRUint32       mFocusTimestamp;
  80     QPixmap        *mSharedGC;
  81 };
  82
  83 #endif  // nsToolkit_h__