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 QLineEdit; 31 class QPainter; 32 class QWidget; 33 QT_END_NAMESPACE 34 35 namespace WebCore { 36 37 #if ENABLE(PROGRESS_TAG) 38 class RenderProgress; 39 #endif 40 class RenderStyle; 41 class HTMLMediaElement; 42 class ScrollbarThemeQt; 43 44 class RenderThemeQt : public RenderTheme { 45 private: 46 RenderThemeQt(Page* page); 47 virtual ~RenderThemeQt(); 48 49 public: 50 static PassRefPtr<RenderTheme> create(Page*); 51 52 String extraDefaultStyleSheet(); 53 54 virtual bool supportsHover(const RenderStyle*) const; 55 virtual bool supportsFocusRing(const RenderStyle* style) const; 56 57 virtual int baselinePosition(const RenderObject* o) const; 58 59 // A method asking if the control changes its tint when the window has focus or not. 60 virtual bool controlSupportsTints(const RenderObject*) const; 61 62 // A general method asking if any control tinting is supported at all. 63 virtual bool supportsControlTints() const; 64 65 virtual void adjustRepaintRect(const RenderObject* o, IntRect& r); 66 67 // The platform selection color. 68 virtual Color platformActiveSelectionBackgroundColor() const; 69 virtual Color platformInactiveSelectionBackgroundColor() const; 70 virtual Color platformActiveSelectionForegroundColor() const; 71 virtual Color platformInactiveSelectionForegroundColor() const; 72 73 virtual Color platformFocusRingColor() const; 74 75 virtual void systemFont(int propId, FontDescription&) const; 76 virtual Color systemColor(int cssValueId) const; 77 78 virtual int minimumMenuListSize(RenderStyle*) const; 79 80 virtual void adjustSliderThumbSize(RenderObject*) const; 81 82 virtual double caretBlinkInterval() const; 83 84 virtual bool isControlStyled(const RenderStyle*, const BorderData&, const FillLayer&, const Color& backgroundColor) const; 85 #if USE(QT_MOBILE_THEME) 86 virtual int popupInternalPaddingBottom(RenderStyle*) const; 87 #endif 88 89 #if ENABLE(VIDEO) 90 virtual String extraMediaControlsStyleSheet(); 91 #endif 92 93 QStyle* qStyle() const; 94 95 protected: 96 virtual bool paintCheckbox(RenderObject* o, const PaintInfo& i, const IntRect& r); 97 virtual void setCheckboxSize(RenderStyle*) const; 98 99 virtual bool paintRadio(RenderObject* o, const PaintInfo& i, const IntRect& r); 100 virtual void setRadioSize(RenderStyle*) const; 101 102 virtual void adjustButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 103 virtual bool paintButton(RenderObject*, const PaintInfo&, const IntRect&); 104 virtual void setButtonSize(RenderStyle*) const; 105 106 virtual bool paintTextField(RenderObject*, const PaintInfo&, const IntRect&); 107 virtual void adjustTextFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 108 109 virtual bool paintTextArea(RenderObject*, const PaintInfo&, const IntRect&); 110 virtual void adjustTextAreaStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 111 112 virtual bool paintMenuList(RenderObject* o, const PaintInfo& i, const IntRect& r); 113 virtual void adjustMenuListStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 114 115 virtual bool paintMenuListButton(RenderObject*, const PaintInfo&, const IntRect&); 116 virtual void adjustMenuListButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 117 118 #if ENABLE(PROGRESS_TAG) 119 virtual void adjustProgressBarStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 120 virtual bool paintProgressBar(RenderObject*, const PaintInfo&, const IntRect&); 121 #endif 122 123 virtual bool paintSliderTrack(RenderObject*, const PaintInfo&, const IntRect&); 124 virtual void adjustSliderTrackStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 125 126 virtual bool paintSliderThumb(RenderObject*, const PaintInfo&, const IntRect&); 127 virtual void adjustSliderThumbStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 128 129 virtual bool paintSearchField(RenderObject*, const PaintInfo&, const IntRect&); 130 virtual void adjustSearchFieldStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 131 132 virtual void adjustSearchFieldCancelButtonStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 133 virtual bool paintSearchFieldCancelButton(RenderObject*, const PaintInfo&, const IntRect&); 134 135 virtual void adjustSearchFieldDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 136 virtual bool paintSearchFieldDecoration(RenderObject*, const PaintInfo&, const IntRect&); 137 138 virtual void adjustSearchFieldResultsDecorationStyle(CSSStyleSelector*, RenderStyle*, Element*) const; 139 virtual bool paintSearchFieldResultsDecoration(RenderObject*, const PaintInfo&, const IntRect&); 140 141 #if ENABLE(PROGRESS_TAG) 142 // Returns the repeat interval of the animation for the progress bar. 143 virtual double animationRepeatIntervalForProgressBar(RenderProgress* renderProgress) const; 144 // Returns the duration of the animation for the progress bar. 145 virtual double animationDurationForProgressBar(RenderProgress* renderProgress) const; 146 #endif 147 148 #if ENABLE(VIDEO) 149 virtual bool paintMediaFullscreenButton(RenderObject*, const PaintInfo&, const IntRect&); 150 virtual bool paintMediaPlayButton(RenderObject*, const PaintInfo&, const IntRect&); 151 virtual bool paintMediaMuteButton(RenderObject*, const PaintInfo&, const IntRect&); 152 virtual bool paintMediaSeekBackButton(RenderObject*, const PaintInfo&, const IntRect&); 153 virtual bool paintMediaSeekForwardButton(RenderObject*, const PaintInfo&, const IntRect&); 154 virtual bool paintMediaSliderTrack(RenderObject*, const PaintInfo&, const IntRect&); 155 virtual bool paintMediaSliderThumb(RenderObject*, const PaintInfo&, const IntRect&); 156 virtual bool paintMediaCurrentTime(RenderObject*, const PaintInfo&, const IntRect&); 157 virtual bool paintMediaVolumeSliderTrack(RenderObject*, const PaintInfo&, const IntRect&); 158 virtual bool paintMediaVolumeSliderThumb(RenderObject*, const PaintInfo&, const IntRect&); 159 virtual String formatMediaControlsCurrentTime(float currentTime, float duration) const; 160 virtual String formatMediaControlsRemainingTime(float currentTime, float duration) const; hasOwnDisabledStateHandlingFor(ControlPart)161 virtual bool hasOwnDisabledStateHandlingFor(ControlPart) const { return true; } 162 private: 163 void paintMediaBackground(QPainter* painter, const IntRect& r) const; 164 double mediaControlsBaselineOpacity() const; 165 QColor getMediaControlForegroundColor(RenderObject* o = 0) const; 166 #endif 167 void computeSizeBasedOnStyle(RenderStyle* renderStyle) const; 168 169 private: 170 bool supportsFocus(ControlPart) const; 171 172 ControlPart initializeCommonQStyleOptions(QStyleOption&, RenderObject*) const; 173 174 void setButtonPadding(RenderStyle*) const; 175 void setPopupPadding(RenderStyle*) const; 176 177 void setPaletteFromPageClientIfExists(QPalette&) const; 178 179 int findFrameLineWidth(QStyle* style) const; 180 181 QStyle* fallbackStyle() const; 182 183 IntRect convertToPaintingRect(RenderObject* inputRenderer, const RenderObject* partRenderer, IntRect partRect, const IntRect& localOffset) const; 184 185 Page* m_page; 186 187 #ifdef Q_WS_MAC 188 int m_buttonFontPixelSize; 189 #endif 190 QString m_buttonFontFamily; 191 192 QStyle* m_fallbackStyle; 193 mutable QLineEdit* m_lineEdit; 194 }; 195 196 class StylePainter { 197 public: 198 explicit StylePainter(RenderThemeQt*, const PaintInfo&); 199 explicit StylePainter(ScrollbarThemeQt*, GraphicsContext*); 200 ~StylePainter(); 201 isValid()202 bool isValid() const { return painter && style; } 203 204 QPainter* painter; 205 QWidget* widget; 206 QStyle* style; 207 drawPrimitive(QStyle::PrimitiveElement pe,const QStyleOption & opt)208 void drawPrimitive(QStyle::PrimitiveElement pe, const QStyleOption& opt) 209 { style->drawPrimitive(pe, &opt, painter, widget); } drawControl(QStyle::ControlElement ce,const QStyleOption & opt)210 void drawControl(QStyle::ControlElement ce, const QStyleOption& opt) 211 { style->drawControl(ce, &opt, painter, widget); } drawComplexControl(QStyle::ComplexControl cc,const QStyleOptionComplex & opt)212 void drawComplexControl(QStyle::ComplexControl cc, const QStyleOptionComplex& opt) 213 { style->drawComplexControl(cc, &opt, painter, widget); } 214 215 private: 216 void init(GraphicsContext* context, QStyle*); 217 218 QBrush oldBrush; 219 bool oldAntialiasing; 220 221 Q_DISABLE_COPY(StylePainter) 222 }; 223 224 } 225 226 #endif // RenderThemeQt_h 227