1 /* 2 * This file is part of the theme implementation for form controls in WebCore. 3 * 4 * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 #ifndef RenderThemeQt_h 23 #define RenderThemeQt_h 24 25 #include "RenderTheme.h" 26 27 #include <QStyle> 28 29 QT_BEGIN_NAMESPACE 30 class QPainter; 31 class QWidget; 32 QT_END_NAMESPACE 33 34 namespace WebCore { 35 36 class RenderStyle; 37 class HTMLMediaElement; 38 class ScrollbarThemeQt; 39 40 class RenderThemeQt : public RenderTheme { 41 private: 42 RenderThemeQt(Page* page); 43 virtual ~RenderThemeQt(); 44 45 public: 46 static PassRefPtr<RenderTheme> create(Page*); 47 48 virtual bool supportsHover(const RenderStyle*) const; 49 virtual bool supportsFocusRing(const RenderStyle* style) const; 50 51 virtual int baselinePosition(const RenderObject* o) const; 52 53 // A method asking if the control changes its tint when the window has focus or not. 54 virtual bool controlSupportsTints(const RenderObject*) const; 55 56 // A general method asking if any control tinting is supported at all. 57 virtual bool supportsControlTints() const; 58 59 virtual void adjustRepaintRect(const RenderObject* o, IntRect& r); 60 61 // The platform selection color. 62 virtual Color platformActiveSelectionBackgroundColor() const; 63 virtual Color platformInactiveSelectionBackgroundColor() const; 64 virtual Color platformActiveSelectionForegroundColor() const; 65 virtual Color platformInactiveSelectionForegroundColor() const; 66 67 virtual void systemFont(int propId, FontDescription&) const; 68 69 virtual int minimumMenuListSize(RenderStyle*) const; 70 71 virtual void adjustSliderThumbSize(RenderObject*) const; 72 73 virtual double caretBlinkInterval() const; 74 75 #if ENABLE(VIDEO) 76 virtual String extraMediaControlsStyleSheet(); 77 #endif 78 79 QStyle* qStyle() const; 80 81 protected: 82 virtual bool paintCheckbox(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r); 83 virtual void setCheckboxSize(RenderStyle*) const; 84 85 virtual bool paintRadio(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r); 86 virtual void setRadioSize(RenderStyle*) const; 87 88 virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 89 virtual bool paintButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 90 virtual void setButtonSize(RenderStyle*) const; 91 92 virtual bool paintTextField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 93 virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 94 95 virtual bool paintTextArea(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 96 virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 97 98 virtual bool paintMenuList(RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& r); 99 virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 100 101 virtual bool paintMenuListButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 102 virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 103 104 virtual bool paintSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 105 virtual void adjustSliderTrackStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 106 107 virtual bool paintSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 108 virtual void adjustSliderThumbStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 109 110 virtual bool paintSearchField(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 111 virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 112 113 virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 114 virtual bool paintSearchFieldCancelButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 115 116 virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 117 virtual bool paintSearchFieldDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 118 119 virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 120 virtual bool paintSearchFieldResultsDecoration(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 121 122 #if ENABLE(VIDEO) 123 virtual bool paintMediaFullscreenButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 124 virtual bool paintMediaPlayButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 125 virtual bool paintMediaMuteButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 126 virtual bool paintMediaSeekBackButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 127 virtual bool paintMediaSeekForwardButton(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 128 virtual bool paintMediaSliderTrack(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 129 virtual bool paintMediaSliderThumb(RenderObject*, const RenderObject::PaintInfo&, const IntRect&); 130 131 private: 132 HTMLMediaElement* getMediaElementFromRenderObject(RenderObject* o) const; 133 void paintMediaBackground(QPainter* painter, const IntRect& r) const; 134 QColor getMediaControlForegroundColor(RenderObject* o = 0) const; 135 #endif 136 void computeSizeBasedOnStyle(RenderStyle* renderStyle) const; 137 138 private: 139 bool supportsFocus(ControlPart) const; 140 141 ControlPart initializeCommonQStyleOptions(QStyleOption&, RenderObject*) const; 142 143 void setButtonPadding(RenderStyle*) const; 144 void setPopupPadding(RenderStyle*) const; 145 146 void setPaletteFromPageClientIfExists(QPalette&) const; 147 148 QStyle* fallbackStyle() const; 149 150 Page* m_page; 151 152 #ifdef Q_WS_MAC 153 int m_buttonFontPixelSize; 154 #endif 155 QString m_buttonFontFamily; 156 157 QStyle* m_fallbackStyle; 158 }; 159 160 class StylePainter { 161 public: 162 explicit StylePainter(RenderThemeQt*, const RenderObject::PaintInfo&); 163 explicit StylePainter(ScrollbarThemeQt*, GraphicsContext*); 164 ~StylePainter(); 165 166 bool isValid() const { return painter && style; } 167 168 QPainter* painter; 169 QWidget* widget; 170 QStyle* style; 171 172 void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption& opt) 173 { style->drawPrimitive(pe, &opt, painter, widget); } 174 void drawControl(QStyle::ControlElement ce, const QStyleOption& opt) 175 { style->drawControl(ce, &opt, painter, widget); } 176 void drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex& opt) 177 { style->drawComplexControl(cc, &opt, painter, widget); } 178 179 private: 180 void init(GraphicsContext* context, QStyle*); 181 182 QBrush oldBrush; 183 bool oldAntialiasing; 184 185 Q_DISABLE_COPY(StylePainter) 186 }; 187 188 } 189 190 #endif // RenderThemeQt_h 191
