gecko/widget/gtk2/nsNativeThemeGTK.h
2012-03-07 17:15:57 -08:00

115 lines
4.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brian Ryner <bryner@brianryner.com> (Original Author)
*
* 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsITheme.h"
#include "nsCOMPtr.h"
#include "nsIAtom.h"
#include "nsIObserver.h"
#include "nsNativeTheme.h"
#include <gtk/gtk.h>
#include "gtkdrawing.h"
class nsNativeThemeGTK: private nsNativeTheme,
public nsITheme,
public nsIObserver {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIOBSERVER
// The nsITheme interface.
NS_IMETHOD DrawWidgetBackground(nsRenderingContext* aContext,
nsIFrame* aFrame, PRUint8 aWidgetType,
const nsRect& aRect,
const nsRect& aDirtyRect);
NS_IMETHOD GetWidgetBorder(nsDeviceContext* aContext, nsIFrame* aFrame,
PRUint8 aWidgetType, nsIntMargin* aResult);
virtual NS_HIDDEN_(bool) GetWidgetPadding(nsDeviceContext* aContext,
nsIFrame* aFrame,
PRUint8 aWidgetType,
nsIntMargin* aResult);
virtual NS_HIDDEN_(bool) GetWidgetOverflow(nsDeviceContext* aContext,
nsIFrame* aFrame,
PRUint8 aWidgetType,
nsRect* aOverflowRect);
NS_IMETHOD GetMinimumWidgetSize(nsRenderingContext* aContext,
nsIFrame* aFrame, PRUint8 aWidgetType,
nsIntSize* aResult, bool* aIsOverridable);
NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, PRUint8 aWidgetType,
nsIAtom* aAttribute, bool* aShouldRepaint);
NS_IMETHOD ThemeChanged();
NS_IMETHOD_(bool) ThemeSupportsWidget(nsPresContext* aPresContext,
nsIFrame* aFrame,
PRUint8 aWidgetType);
NS_IMETHOD_(bool) WidgetIsContainer(PRUint8 aWidgetType);
NS_IMETHOD_(bool) ThemeDrawsFocusForWidget(nsPresContext* aPresContext,
nsIFrame* aFrame, PRUint8 aWidgetType);
bool ThemeNeedsComboboxDropmarker();
virtual Transparency GetWidgetTransparency(nsIFrame* aFrame,
PRUint8 aWidgetType);
nsNativeThemeGTK();
virtual ~nsNativeThemeGTK();
private:
gint GetTabMarginPixels(nsIFrame* aFrame);
bool GetGtkWidgetAndState(PRUint8 aWidgetType, nsIFrame* aFrame,
GtkThemeWidgetType& aGtkWidgetType,
GtkWidgetState* aState, gint* aWidgetFlags);
bool GetExtraSizeForWidget(nsIFrame* aFrame, PRUint8 aWidgetType,
nsIntMargin* aExtra);
void RefreshWidgetWindow(nsIFrame* aFrame);
PRUint8 mDisabledWidgetTypes[32];
PRUint8 mSafeWidgetStates[1024]; // 256 widgets * 32 bits per widget
static const char* sDisabledEngines[];
};