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* This file is part of the WebKit project.
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* Copyright (C) 2006 Apple Computer, Inc.
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* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
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* Copyright (C) 2007 Holger Hans Peter Freyther
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* Copyright (C) 2007 Alp Toker <alp@atoker.com>
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* Copyright (C) 2010 Igalia S.L.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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#ifndef RenderThemeGtk_h
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#define RenderThemeGtk_h
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#include <wtf/gobject/GRefPtr.h>
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#include "RenderTheme.h"
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typedef struct _GdkColormap GdkColormap;
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class RenderThemeGtk : public RenderTheme {
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virtual ~RenderThemeGtk();
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static PassRefPtr<RenderTheme> create();
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// A method asking if the theme's controls actually care about redrawing when hovered.
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virtual bool supportsHover(const RenderStyle* style) const { return true; }
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// A method asking if the theme is able to draw the focus ring.
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virtual bool supportsFocusRing(const RenderStyle*) const;
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// A method asking if the control changes its tint when the window has focus or not.
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virtual bool controlSupportsTints(const RenderObject*) const;
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// A general method asking if any control tinting is supported at all.
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virtual bool supportsControlTints() const { return true; }
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virtual void adjustRepaintRect(const RenderObject*, IntRect&);
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// A method to obtain the baseline position for a "leaf" control. This will only be used if a baseline
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// position cannot be determined by examining child content. Checkboxes and radio buttons are examples of
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// controls that need to do this.
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virtual int baselinePosition(const RenderObject*) const;
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// The platform selection color.
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virtual Color platformActiveSelectionBackgroundColor() const;
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virtual Color platformInactiveSelectionBackgroundColor() const;
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virtual Color platformActiveSelectionForegroundColor() const;
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virtual Color platformInactiveSelectionForegroundColor() const;
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// List Box selection color
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virtual Color activeListBoxSelectionBackgroundColor() const;
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virtual Color activeListBoxSelectionForegroundColor() const;
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virtual Color inactiveListBoxSelectionBackgroundColor() const;
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virtual Color inactiveListBoxSelectionForegroundColor() const;
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virtual double caretBlinkInterval() const;
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virtual void platformColorsDidChange();
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// System fonts and colors.
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virtual void systemFont(int propId, FontDescription&) const;
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virtual Color systemColor(int cssValueId) const;
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virtual bool popsMenuBySpaceOrReturn() const OVERRIDE { return true; }
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virtual String extraMediaControlsStyleSheet();
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virtual String formatMediaControlsCurrentTime(float currentTime, float duration) const;
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#if ENABLE(FULLSCREEN_API)
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virtual String extraFullScreenStyleSheet();
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#if ENABLE(DATALIST_ELEMENT)
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// Returns size of one slider tick mark for a horizontal track.
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// For vertical tracks we rotate it and use it. i.e. Width is always length along the track.
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virtual IntSize sliderTickSize() const;
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// Returns the distance of slider tick origin from the slider track center.
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virtual int sliderTickOffsetFromTrackCenter() const;
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#ifdef GTK_API_VERSION_2
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GtkWidget* gtkContainer() const;
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GtkWidget* gtkEntry() const;
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GtkWidget* gtkVScrollbar() const;
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GtkWidget* gtkHScrollbar() const;
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static void getIndicatorMetrics(ControlPart, int& indicatorSize, int& indicatorSpacing);
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GtkStyleContext* gtkScrollbarStyle();
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virtual bool paintCheckbox(RenderObject* o, const PaintInfo& i, const IntRect& r);
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virtual void setCheckboxSize(RenderStyle* style) const;
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virtual bool paintRadio(RenderObject* o, const PaintInfo& i, const IntRect& r);
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virtual void setRadioSize(RenderStyle* style) const;
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virtual void adjustButtonStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintTextField(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&);
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int popupInternalPaddingLeft(RenderStyle*) const;
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int popupInternalPaddingRight(RenderStyle*) const;
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int popupInternalPaddingTop(RenderStyle*) const;
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int popupInternalPaddingBottom(RenderStyle*) const;
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// The Mac port differentiates between the "menu list" and the "menu list button."
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// The former is used when a menu list button has been styled. This is used to ensure
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// Aqua themed controls whenever possible. We always want to use GTK+ theming, so
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// we don't maintain this differentiation.
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virtual void adjustMenuListStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual void adjustMenuListButtonStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintMenuList(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustSearchFieldResultsDecorationStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintSearchFieldResultsDecoration(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustSearchFieldStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustSearchFieldResultsButtonStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintSearchFieldResultsButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustSearchFieldCancelButtonStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintSearchFieldCancelButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustSliderTrackStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustSliderThumbStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual void adjustSliderThumbSize(RenderStyle*, Element*) const;
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void initMediaColors();
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void initMediaButtons();
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void adjustMediaSliderThumbSize(RenderStyle*) const;
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virtual bool hasOwnDisabledStateHandlingFor(ControlPart) const { return true; }
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virtual bool paintMediaFullscreenButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaPlayButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaMuteButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaSeekBackButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaSeekForwardButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaVolumeSliderContainer(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaVolumeSliderTrack(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaVolumeSliderThumb(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintMediaCurrentTime(RenderObject*, const PaintInfo&, const IntRect&);
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#if ENABLE(PROGRESS_ELEMENT)
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virtual double animationRepeatIntervalForProgressBar(RenderProgress*) const;
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virtual double animationDurationForProgressBar(RenderProgress*) const;
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virtual void adjustProgressBarStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintProgressBar(RenderObject*, const PaintInfo&, const IntRect&);
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virtual bool paintCapsLockIndicator(RenderObject*, const PaintInfo&, const IntRect&);
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virtual void adjustInnerSpinButtonStyle(StyleResolver*, RenderStyle*, Element*) const;
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virtual bool paintInnerSpinButton(RenderObject*, const PaintInfo&, const IntRect&);
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virtual String fileListNameForWidth(const FileList*, const Font&, int width, bool multipleFilesAllowed) const OVERRIDE;
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static void setTextInputBorders(RenderStyle*);
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static double getScreenDPI();
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bool paintMediaButton(RenderObject*, GraphicsContext*, const IntRect&, const char* iconName);
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#if ENABLE(PROGRESS_ELEMENT)
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static IntRect calculateProgressRect(RenderObject*, const IntRect&);
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mutable Color m_panelColor;
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mutable Color m_sliderColor;
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mutable Color m_sliderThumbColor;
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const int m_mediaIconSize;
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const int m_mediaSliderHeight;
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const int m_mediaSliderThumbWidth;
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const int m_mediaSliderThumbHeight;
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#ifdef GTK_API_VERSION_2
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void setupWidgetAndAddToContainer(GtkWidget*, GtkWidget*) const;
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void refreshComboBoxChildren() const;
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void getComboBoxPadding(RenderStyle*, int& left, int& top, int& right, int& bottom) const;
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int getComboBoxSeparatorWidth() const;
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int comboBoxArrowSize(RenderStyle*) const;
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GtkWidget* gtkButton() const;
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GtkWidget* gtkTreeView() const;
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GtkWidget* gtkVScale() const;
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GtkWidget* gtkHScale() const;
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GtkWidget* gtkRadioButton() const;
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GtkWidget* gtkCheckButton() const;
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GtkWidget* gtkProgressBar() const;
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GtkWidget* gtkComboBox() const;
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GtkWidget* gtkComboBoxButton() const;
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GtkWidget* gtkComboBoxArrow() const;
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GtkWidget* gtkComboBoxSeparator() const;
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GtkWidget* gtkSpinButton() const;
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GdkColormap* m_colormap;
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mutable GtkWidget* m_gtkWindow;
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mutable GtkWidget* m_gtkContainer;
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mutable GtkWidget* m_gtkButton;
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mutable GtkWidget* m_gtkEntry;
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mutable GtkWidget* m_gtkTreeView;
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mutable GtkWidget* m_gtkVScale;
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mutable GtkWidget* m_gtkHScale;
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mutable GtkWidget* m_gtkRadioButton;
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mutable GtkWidget* m_gtkCheckButton;
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mutable GtkWidget* m_gtkProgressBar;
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mutable GtkWidget* m_gtkComboBox;
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mutable GtkWidget* m_gtkComboBoxButton;
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mutable GtkWidget* m_gtkComboBoxArrow;
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mutable GtkWidget* m_gtkComboBoxSeparator;
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mutable GtkWidget* m_gtkVScrollbar;
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mutable GtkWidget* m_gtkHScrollbar;
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mutable GtkWidget* m_gtkSpinButton;
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bool m_themePartsHaveRGBAColormap;
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friend class WidgetRenderingContext;
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#endif // RenderThemeGtk_h