зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
3.1 KiB
C++
97 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nscore.h" // needed for 'nsnull'
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#include "nsGTKToolkit.h"
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nsGTKToolkit* nsGTKToolkit::gToolkit = nsnull;
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//-------------------------------------------------------------------------
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//
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// constructor
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//
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//-------------------------------------------------------------------------
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nsGTKToolkit::nsGTKToolkit()
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: mSharedGC(nsnull), mFocusTimestamp(0)
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{
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CreateSharedGC();
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}
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//-------------------------------------------------------------------------
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//
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// destructor
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//
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//-------------------------------------------------------------------------
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nsGTKToolkit::~nsGTKToolkit()
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{
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if (mSharedGC) {
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g_object_unref(mSharedGC);
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}
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}
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void nsGTKToolkit::CreateSharedGC(void)
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{
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GdkPixmap *pixmap;
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if (mSharedGC)
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return;
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pixmap = gdk_pixmap_new(NULL, 1, 1, gdk_rgb_get_visual()->depth);
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mSharedGC = gdk_gc_new(pixmap);
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g_object_unref(pixmap);
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}
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GdkGC *nsGTKToolkit::GetSharedGC(void)
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{
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return (GdkGC *)g_object_ref(mSharedGC);
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}
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//-------------------------------------------------------------------------------
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// Return the toolkit. If a toolkit does not yet exist, then one will be created.
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//-------------------------------------------------------------------------------
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// static
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nsGTKToolkit* nsGTKToolkit::GetToolkit()
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{
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if (!gToolkit) {
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gToolkit = new nsGTKToolkit();
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}
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return gToolkit;
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}
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