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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef GFX_NATIVE_THEME_LINUX_H_ | 5 #ifndef GFX_NATIVE_THEME_LINUX_H_ |
| 6 #define GFX_NATIVE_THEME_LINUX_H_ | 6 #define GFX_NATIVE_THEME_LINUX_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "ui/gfx/native_theme_linux.h" |
| 9 #include "skia/ext/platform_canvas.h" | 9 // TODO(sail): remove this file once all includes have been updated. |
| 10 | |
| 11 namespace skia { | |
| 12 class PlatformCanvas; | |
| 13 } | |
| 14 | |
| 15 namespace gfx { | |
| 16 class Rect; | |
| 17 class Size; | |
| 18 | |
| 19 // Linux theming API. | |
| 20 class NativeThemeLinux { | |
| 21 public: | |
| 22 // The part to be painted / sized. | |
| 23 enum Part { | |
| 24 kScrollbarDownArrow, | |
| 25 kScrollbarLeftArrow, | |
| 26 kScrollbarRightArrow, | |
| 27 kScrollbarUpArrow, | |
| 28 kScrollbarHorizontalThumb, | |
| 29 kScrollbarVerticalThumb, | |
| 30 kScrollbarHorizontalTrack, | |
| 31 kScrollbarVerticalTrack, | |
| 32 kCheckbox, | |
| 33 kRadio, | |
| 34 kPushButton, | |
| 35 kTextField, | |
| 36 kMenuList, | |
| 37 kSliderTrack, | |
| 38 kSliderThumb, | |
| 39 kInnerSpinButton, | |
| 40 kProgressBar, | |
| 41 }; | |
| 42 | |
| 43 // The state of the part. | |
| 44 enum State { | |
| 45 kDisabled, | |
| 46 kHovered, | |
| 47 kNormal, | |
| 48 kPressed, | |
| 49 }; | |
| 50 | |
| 51 // Extra data needed to draw scrollbar track correctly. | |
| 52 struct ScrollbarTrackExtraParams { | |
| 53 int track_x; | |
| 54 int track_y; | |
| 55 int track_width; | |
| 56 int track_height; | |
| 57 }; | |
| 58 | |
| 59 struct ButtonExtraParams { | |
| 60 bool checked; | |
| 61 bool indeterminate; // Whether the button state is indeterminate. | |
| 62 bool is_default; // Whether the button is default button. | |
| 63 SkColor background_color; | |
| 64 }; | |
| 65 | |
| 66 struct TextFieldExtraParams { | |
| 67 bool is_text_area; | |
| 68 bool is_listbox; | |
| 69 SkColor background_color; | |
| 70 }; | |
| 71 | |
| 72 struct MenuListExtraParams { | |
| 73 int arrow_x; | |
| 74 int arrow_y; | |
| 75 SkColor background_color; | |
| 76 }; | |
| 77 | |
| 78 struct SliderExtraParams { | |
| 79 bool vertical; | |
| 80 bool in_drag; | |
| 81 }; | |
| 82 | |
| 83 struct InnerSpinButtonExtraParams { | |
| 84 bool spin_up; | |
| 85 bool read_only; | |
| 86 }; | |
| 87 | |
| 88 struct ProgressBarExtraParams { | |
| 89 bool determinate; | |
| 90 int value_rect_x; | |
| 91 int value_rect_y; | |
| 92 int value_rect_width; | |
| 93 int value_rect_height; | |
| 94 }; | |
| 95 | |
| 96 union ExtraParams { | |
| 97 ScrollbarTrackExtraParams scrollbar_track; | |
| 98 ButtonExtraParams button; | |
| 99 MenuListExtraParams menu_list; | |
| 100 SliderExtraParams slider; | |
| 101 TextFieldExtraParams text_field; | |
| 102 InnerSpinButtonExtraParams inner_spin; | |
| 103 ProgressBarExtraParams progress_bar; | |
| 104 }; | |
| 105 | |
| 106 // Gets our singleton instance. | |
| 107 static NativeThemeLinux* instance(); | |
| 108 | |
| 109 // Return the size of the part. | |
| 110 virtual gfx::Size GetPartSize(Part part) const; | |
| 111 // Paint the part to the canvas. | |
| 112 virtual void Paint(skia::PlatformCanvas* canvas, | |
| 113 Part part, | |
| 114 State state, | |
| 115 const gfx::Rect& rect, | |
| 116 const ExtraParams& extra); | |
| 117 // Supports theme specific colors. | |
| 118 void SetScrollbarColors(unsigned inactive_color, | |
| 119 unsigned active_color, | |
| 120 unsigned track_color) const; | |
| 121 | |
| 122 protected: | |
| 123 NativeThemeLinux(); | |
| 124 virtual ~NativeThemeLinux(); | |
| 125 | |
| 126 // Draw the arrow. Used by scrollbar and inner spin button. | |
| 127 virtual void PaintArrowButton( | |
| 128 skia::PlatformCanvas* gc, | |
| 129 const gfx::Rect& rect, | |
| 130 Part direction, | |
| 131 State state); | |
| 132 // Paint the scrollbar track. Done before the thumb so that it can contain | |
| 133 // alpha. | |
| 134 virtual void PaintScrollbarTrack(skia::PlatformCanvas* canvas, | |
| 135 Part part, | |
| 136 State state, | |
| 137 const ScrollbarTrackExtraParams& extra_params, | |
| 138 const gfx::Rect& rect); | |
| 139 // Draw the scrollbar thumb over the track. | |
| 140 virtual void PaintScrollbarThumb(skia::PlatformCanvas* canvas, | |
| 141 Part part, | |
| 142 State state, | |
| 143 const gfx::Rect& rect); | |
| 144 // Draw the checkbox. | |
| 145 virtual void PaintCheckbox(skia::PlatformCanvas* canvas, | |
| 146 State state, | |
| 147 const gfx::Rect& rect, | |
| 148 const ButtonExtraParams& button); | |
| 149 // Draw the radio. | |
| 150 virtual void PaintRadio(skia::PlatformCanvas* canvas, | |
| 151 State state, | |
| 152 const gfx::Rect& rect, | |
| 153 const ButtonExtraParams& button); | |
| 154 // Draw the push button. | |
| 155 virtual void PaintButton(skia::PlatformCanvas* canvas, | |
| 156 State state, | |
| 157 const gfx::Rect& rect, | |
| 158 const ButtonExtraParams& button); | |
| 159 // Draw the text field. | |
| 160 virtual void PaintTextField(skia::PlatformCanvas* canvas, | |
| 161 State state, | |
| 162 const gfx::Rect& rect, | |
| 163 const TextFieldExtraParams& text); | |
| 164 // Draw the menu list. | |
| 165 virtual void PaintMenuList(skia::PlatformCanvas* canvas, | |
| 166 State state, | |
| 167 const gfx::Rect& rect, | |
| 168 const MenuListExtraParams& menu_list); | |
| 169 // Draw the slider track. | |
| 170 virtual void PaintSliderTrack(skia::PlatformCanvas* canvas, | |
| 171 State state, | |
| 172 const gfx::Rect& rect, | |
| 173 const SliderExtraParams& slider); | |
| 174 // Draw the slider thumb. | |
| 175 virtual void PaintSliderThumb(skia::PlatformCanvas* canvas, | |
| 176 State state, | |
| 177 const gfx::Rect& rect, | |
| 178 const SliderExtraParams& slider); | |
| 179 // Draw the inner spin button. | |
| 180 virtual void PaintInnerSpinButton(skia::PlatformCanvas* canvas, | |
| 181 State state, | |
| 182 const gfx::Rect& rect, | |
| 183 const InnerSpinButtonExtraParams& spin_button); | |
| 184 // Draw the progress bar. | |
| 185 virtual void PaintProgressBar(skia::PlatformCanvas* canvas, | |
| 186 State state, | |
| 187 const gfx::Rect& rect, | |
| 188 const ProgressBarExtraParams& progress_bar); | |
| 189 | |
| 190 protected: | |
| 191 bool IntersectsClipRectInt(skia::PlatformCanvas* canvas, | |
| 192 int x, int y, int w, int h); | |
| 193 | |
| 194 void DrawBitmapInt(skia::PlatformCanvas* canvas, const SkBitmap& bitmap, | |
| 195 int src_x, int src_y, int src_w, int src_h, | |
| 196 int dest_x, int dest_y, int dest_w, int dest_h); | |
| 197 | |
| 198 void DrawTiledImage(SkCanvas* canvas, | |
| 199 const SkBitmap& bitmap, | |
| 200 int src_x, int src_y, | |
| 201 double tile_scale_x, double tile_scale_y, | |
| 202 int dest_x, int dest_y, int w, int h) const; | |
| 203 | |
| 204 SkColor SaturateAndBrighten(SkScalar* hsv, | |
| 205 SkScalar saturate_amount, | |
| 206 SkScalar brighten_amount) const; | |
| 207 | |
| 208 private: | |
| 209 void DrawVertLine(SkCanvas* canvas, | |
| 210 int x, | |
| 211 int y1, | |
| 212 int y2, | |
| 213 const SkPaint& paint) const; | |
| 214 void DrawHorizLine(SkCanvas* canvas, | |
| 215 int x1, | |
| 216 int x2, | |
| 217 int y, | |
| 218 const SkPaint& paint) const; | |
| 219 void DrawBox(SkCanvas* canvas, | |
| 220 const gfx::Rect& rect, | |
| 221 const SkPaint& paint) const; | |
| 222 SkScalar Clamp(SkScalar value, | |
| 223 SkScalar min, | |
| 224 SkScalar max) const; | |
| 225 SkColor OutlineColor(SkScalar* hsv1, SkScalar* hsv2) const; | |
| 226 | |
| 227 static unsigned int scrollbar_width_; | |
| 228 static unsigned int button_length_; | |
| 229 static unsigned int thumb_inactive_color_; | |
| 230 static unsigned int thumb_active_color_; | |
| 231 static unsigned int track_color_; | |
| 232 | |
| 233 DISALLOW_COPY_AND_ASSIGN(NativeThemeLinux); | |
| 234 }; | |
| 235 | |
| 236 } // namespace gfx | |
| 237 | 10 |
| 238 #endif // GFX_NATIVE_THEME_LINUX_H_ | 11 #endif // GFX_NATIVE_THEME_LINUX_H_ |
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