WebCore/RenderThemeChromiumGtk.h

   1 /*
   2  * This file is part of the WebKit project.
   3  *
   4  * Copyright (C) 2006 Apple Computer, Inc.
   5  * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
   6  * Copyright (C) 2007 Holger Hans Peter Freyther
   7  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
   8  * Copyright (C) 2008, 2009 Google, Inc.
   9  * All rights reserved.
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Library General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Library General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Library General Public License
  22  * along with this library; see the file COPYING.LIB.  If not, write to
  23  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24  * Boston, MA 02110-1301, USA.
  25  *
  26  */
  27
  28 #ifndef RenderThemeChromiumGtk_h
  29 #define RenderThemeChromiumGtk_h
  30
  31 #include "RenderTheme.h"
  32
  33 #include <gtk/gtk.h>
  34
  35 namespace WebCore {
  36
  37     class RenderThemeChromiumGtk : public RenderTheme {
  38     public:
  39         RenderThemeChromiumGtk();
  40         ~RenderThemeChromiumGtk() { }
  41
  42         virtual String extraDefaultStyleSheet();
  43         virtual String extraQuirksStyleSheet();
  44
  45         // A method asking if the theme's controls actually care about redrawing when hovered.
  46         virtual bool supportsHover(const RenderStyle*) const { return true; }
  47
  48         // A method asking if the theme is able to draw the focus ring.
  49         virtual bool supportsFocusRing(const RenderStyle*) const;
  50
  51         // The platform selection color.
  52         virtual Color platformActiveSelectionBackgroundColor() const;
  53         virtual Color platformInactiveSelectionBackgroundColor() const;
  54         virtual Color platformActiveSelectionForegroundColor() const;
  55         virtual Color platformInactiveSelectionForegroundColor() const;
  56         virtual Color platformTextSearchHighlightColor() const;
  57
  58         virtual double caretBlinkInterval() const;
  59
  60         // System fonts.
  61         virtual void systemFont(int propId, Document*, FontDescription&) const;
  62
  63         virtual int minimumMenuListSize(RenderStyle*) const;
  64
  65         virtual bool paintCheckbox(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  66         virtual void setCheckboxSize(RenderStyle*) const;
  67
  68         virtual bool paintRadio(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  69         virtual void setRadioSize(RenderStyle*) const;
  70
  71         virtual bool paintButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  72
  73         virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  74
  75         virtual bool paintTextArea(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r) { return paintTextField(o, i, r); }
  76
  77         virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  78
  79         virtual bool paintSearchFieldResultsDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  80         virtual bool paintSearchFieldResultsButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  81         virtual bool paintSearchFieldCancelButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  82
  83         // MenuList refers to an unstyled menulist (meaning a menulist without
  84         // background-color or border set) and MenuListButton refers to a styled
  85         // menulist (a menulist with background-color or border set). They have
  86         // this distinction to support showing aqua style themes whenever they
  87         // possibly can, which is something we don't want to replicate.
  88         //
  89         // In short, we either go down the MenuList code path or the MenuListButton
  90         // codepath. We never go down both. And in both cases, they render the
  91         // entire menulist.
  92         virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
  93         virtual bool paintMenuList(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  94         virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const;
  95         virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&);
  96
  97         // These methods define the padding for the MenuList's inner block.
  98         virtual int popupInternalPaddingLeft(RenderStyle*) const;
  99         virtual int popupInternalPaddingRight(RenderStyle*) const;
 100         virtual int popupInternalPaddingTop(RenderStyle*) const;
 101         virtual int popupInternalPaddingBottom(RenderStyle*) const;
 102
 103         virtual void adjustButtonInnerStyle(RenderStyle* style) const;
 104
 105         // A method asking if the control changes its tint when the window has focus or not.
 106         virtual bool controlSupportsTints(const RenderObject*) const;
 107
 108         // A general method asking if any control tinting is supported at all.
 109         virtual bool supportsControlTints() const { return true; }
 110
 111         // List Box selection color
 112         virtual Color activeListBoxSelectionBackgroundColor() const;
 113         virtual Color activeListBoxSelectionForegroundColor() const;
 114         virtual Color inactiveListBoxSelectionBackgroundColor() const;
 115         virtual Color inactiveListBoxSelectionForegroundColor() const;
 116
 117     private:
 118         // Hold the state
 119         GtkWidget* gtkEntry() const;
 120         GtkWidget* gtkTreeView() const;
 121
 122         // Unmapped GdkWindow having a container. This is holding all our fake widgets
 123         GtkContainer* gtkContainer() const;
 124
 125     private:
 126         int menuListInternalPadding(RenderStyle*, int paddingType) const;
 127
 128         mutable GtkWidget* m_gtkWindow;
 129         mutable GtkContainer* m_gtkContainer;
 130         mutable GtkWidget* m_gtkEntry;
 131         mutable GtkWidget* m_gtkTreeView;
 132     };
 133
 134 } // namespace WebCore
 135
 136 #endif