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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/gfx/native_theme.h" | |
| 6 | |
| 7 #include <windows.h> | |
| 8 #include <uxtheme.h> | |
| 9 #include <vsstyle.h> | |
| 10 #include <vssym32.h> | |
| 11 | |
| 12 #include "base/gfx/gdi_util.h" | |
| 13 #include "base/gfx/rect.h" | |
| 14 #include "base/logging.h" | |
| 15 #include "base/scoped_handle.h" | |
| 16 #include "skia/ext/platform_canvas.h" | |
| 17 #include "skia/ext/skia_utils_win.h" | |
| 18 #include "third_party/skia/include/core/SkShader.h" | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 void SetCheckerboardShader(SkPaint* paint, const RECT& align_rect) { | |
| 23 // Create a 2x2 checkerboard pattern using the 3D face and highlight colors. | |
| 24 SkColor face = skia::COLORREFToSkColor(GetSysColor(COLOR_3DFACE)); | |
| 25 SkColor highlight = skia::COLORREFToSkColor(GetSysColor(COLOR_3DHILIGHT)); | |
| 26 SkColor buffer[] = { face, highlight, highlight, face }; | |
| 27 // Confusing bit: we first create a temporary bitmap with our desired pattern, | |
| 28 // then copy it to another bitmap. The temporary bitmap doesn't take | |
| 29 // ownership of the pixel data, and so will point to garbage when this | |
| 30 // function returns. The copy will copy the pixel data into a place owned by | |
| 31 // the bitmap, which is in turn owned by the shader, etc., so it will live | |
| 32 // until we're done using it. | |
| 33 SkBitmap temp_bitmap; | |
| 34 temp_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 2, 2); | |
| 35 temp_bitmap.setPixels(buffer); | |
| 36 SkBitmap bitmap; | |
| 37 temp_bitmap.copyTo(&bitmap, temp_bitmap.config()); | |
| 38 SkShader* shader = SkShader::CreateBitmapShader(bitmap, | |
| 39 SkShader::kRepeat_TileMode, | |
| 40 SkShader::kRepeat_TileMode); | |
| 41 | |
| 42 // Align the pattern with the upper corner of |align_rect|. | |
| 43 SkMatrix matrix; | |
| 44 matrix.setTranslate(SkIntToScalar(align_rect.left), | |
| 45 SkIntToScalar(align_rect.top)); | |
| 46 shader->setLocalMatrix(matrix); | |
| 47 paint->setShader(shader)->safeUnref(); | |
| 48 } | |
| 49 | |
| 50 } // namespace | |
| 51 | |
| 52 namespace gfx { | |
| 53 | |
| 54 /* static */ | |
| 55 const NativeTheme* NativeTheme::instance() { | |
| 56 // The global NativeTheme instance. | |
| 57 static const NativeTheme s_native_theme; | |
| 58 return &s_native_theme; | |
| 59 } | |
| 60 | |
| 61 NativeTheme::NativeTheme() | |
| 62 : theme_dll_(LoadLibrary(L"uxtheme.dll")), | |
| 63 draw_theme_(NULL), | |
| 64 draw_theme_ex_(NULL), | |
| 65 get_theme_color_(NULL), | |
| 66 get_theme_content_rect_(NULL), | |
| 67 get_theme_part_size_(NULL), | |
| 68 open_theme_(NULL), | |
| 69 close_theme_(NULL), | |
| 70 set_theme_properties_(NULL), | |
| 71 is_theme_active_(NULL), | |
| 72 get_theme_int_(NULL) { | |
| 73 if (theme_dll_) { | |
| 74 draw_theme_ = reinterpret_cast<DrawThemeBackgroundPtr>( | |
| 75 GetProcAddress(theme_dll_, "DrawThemeBackground")); | |
| 76 draw_theme_ex_ = reinterpret_cast<DrawThemeBackgroundExPtr>( | |
| 77 GetProcAddress(theme_dll_, "DrawThemeBackgroundEx")); | |
| 78 get_theme_color_ = reinterpret_cast<GetThemeColorPtr>( | |
| 79 GetProcAddress(theme_dll_, "GetThemeColor")); | |
| 80 get_theme_content_rect_ = reinterpret_cast<GetThemeContentRectPtr>( | |
| 81 GetProcAddress(theme_dll_, "GetThemeBackgroundContentRect")); | |
| 82 get_theme_part_size_ = reinterpret_cast<GetThemePartSizePtr>( | |
| 83 GetProcAddress(theme_dll_, "GetThemePartSize")); | |
| 84 open_theme_ = reinterpret_cast<OpenThemeDataPtr>( | |
| 85 GetProcAddress(theme_dll_, "OpenThemeData")); | |
| 86 close_theme_ = reinterpret_cast<CloseThemeDataPtr>( | |
| 87 GetProcAddress(theme_dll_, "CloseThemeData")); | |
| 88 set_theme_properties_ = reinterpret_cast<SetThemeAppPropertiesPtr>( | |
| 89 GetProcAddress(theme_dll_, "SetThemeAppProperties")); | |
| 90 is_theme_active_ = reinterpret_cast<IsThemeActivePtr>( | |
| 91 GetProcAddress(theme_dll_, "IsThemeActive")); | |
| 92 get_theme_int_ = reinterpret_cast<GetThemeIntPtr>( | |
| 93 GetProcAddress(theme_dll_, "GetThemeInt")); | |
| 94 } | |
| 95 memset(theme_handles_, 0, sizeof(theme_handles_)); | |
| 96 } | |
| 97 | |
| 98 NativeTheme::~NativeTheme() { | |
| 99 if (theme_dll_) { | |
| 100 // todo (cpu): fix this soon. | |
| 101 // CloseHandles(); | |
| 102 FreeLibrary(theme_dll_); | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 HRESULT NativeTheme::PaintButton(HDC hdc, | |
| 107 int part_id, | |
| 108 int state_id, | |
| 109 int classic_state, | |
| 110 RECT* rect) const { | |
| 111 HANDLE handle = GetThemeHandle(BUTTON); | |
| 112 if (handle && draw_theme_) | |
| 113 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 114 | |
| 115 // Draw it manually. | |
| 116 // All pressed states have both low bits set, and no other states do. | |
| 117 const bool focused = ((state_id & ETS_FOCUSED) == ETS_FOCUSED); | |
| 118 const bool pressed = ((state_id & PBS_PRESSED) == PBS_PRESSED); | |
| 119 if ((BP_PUSHBUTTON == part_id) && (pressed || focused)) { | |
| 120 // BP_PUSHBUTTON has a focus rect drawn around the outer edge, and the | |
| 121 // button itself is shrunk by 1 pixel. | |
| 122 HBRUSH brush = GetSysColorBrush(COLOR_3DDKSHADOW); | |
| 123 if (brush) { | |
| 124 FrameRect(hdc, rect, brush); | |
| 125 InflateRect(rect, -1, -1); | |
| 126 } | |
| 127 } | |
| 128 DrawFrameControl(hdc, rect, DFC_BUTTON, classic_state); | |
| 129 | |
| 130 // Draw the focus rectangle (the dotted line box) only on buttons. For radio | |
| 131 // and checkboxes, we let webkit draw the focus rectangle (orange glow). | |
| 132 if ((BP_PUSHBUTTON == part_id) && focused) { | |
| 133 // The focus rect is inside the button. The exact number of pixels depends | |
| 134 // on whether we're in classic mode or using uxtheme. | |
| 135 if (handle && get_theme_content_rect_) { | |
| 136 get_theme_content_rect_(handle, hdc, part_id, state_id, rect, rect); | |
| 137 } else { | |
| 138 InflateRect(rect, -GetSystemMetrics(SM_CXEDGE), | |
| 139 -GetSystemMetrics(SM_CYEDGE)); | |
| 140 } | |
| 141 DrawFocusRect(hdc, rect); | |
| 142 } | |
| 143 | |
| 144 return S_OK; | |
| 145 } | |
| 146 | |
| 147 HRESULT NativeTheme::PaintDialogBackground(HDC hdc, bool active, | |
| 148 RECT* rect) const { | |
| 149 HANDLE handle = GetThemeHandle(WINDOW); | |
| 150 if (handle && draw_theme_) { | |
| 151 return draw_theme_(handle, hdc, WP_DIALOG, | |
| 152 active ? FS_ACTIVE : FS_INACTIVE, rect, NULL); | |
| 153 } | |
| 154 | |
| 155 // Classic just renders a flat color background. | |
| 156 FillRect(hdc, rect, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); | |
| 157 return S_OK; | |
| 158 } | |
| 159 | |
| 160 HRESULT NativeTheme::PaintListBackground(HDC hdc, | |
| 161 bool enabled, | |
| 162 RECT* rect) const { | |
| 163 HANDLE handle = GetThemeHandle(LIST); | |
| 164 if (handle && draw_theme_) | |
| 165 return draw_theme_(handle, hdc, 1, TS_NORMAL, rect, NULL); | |
| 166 | |
| 167 // Draw it manually. | |
| 168 HBRUSH bg_brush = GetSysColorBrush(COLOR_WINDOW); | |
| 169 FillRect(hdc, rect, bg_brush); | |
| 170 DrawEdge(hdc, rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); | |
| 171 return S_OK; | |
| 172 } | |
| 173 | |
| 174 HRESULT NativeTheme::PaintMenuArrow(ThemeName theme, | |
| 175 HDC hdc, | |
| 176 int part_id, | |
| 177 int state_id, | |
| 178 RECT* rect, | |
| 179 MenuArrowDirection arrow_direction, | |
| 180 bool is_highlighted) const { | |
| 181 HANDLE handle = GetThemeHandle(MENU); | |
| 182 if (handle && draw_theme_) { | |
| 183 if (arrow_direction == RIGHT_POINTING_ARROW) { | |
| 184 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 185 } else { | |
| 186 // There is no way to tell the uxtheme API to draw a left pointing arrow; | |
| 187 // it doesn't have a flag equivalent to DFCS_MENUARROWRIGHT. But they | |
| 188 // are needed for RTL locales on Vista. So use a memory DC and mirror | |
| 189 // the region with GDI's StretchBlt. | |
| 190 Rect r(*rect); | |
| 191 ScopedHDC mem_dc(CreateCompatibleDC(hdc)); | |
| 192 ScopedBitmap mem_bitmap(CreateCompatibleBitmap(hdc, r.width(), | |
| 193 r.height())); | |
| 194 HGDIOBJ old_bitmap = SelectObject(mem_dc, mem_bitmap); | |
| 195 // Copy and horizontally mirror the background from hdc into mem_dc. Use | |
| 196 // a negative-width source rect, starting at the rightmost pixel. | |
| 197 StretchBlt(mem_dc, 0, 0, r.width(), r.height(), | |
| 198 hdc, r.right()-1, r.y(), -r.width(), r.height(), SRCCOPY); | |
| 199 // Draw the arrow. | |
| 200 RECT theme_rect = {0, 0, r.width(), r.height()}; | |
| 201 HRESULT result = draw_theme_(handle, mem_dc, part_id, | |
| 202 state_id, &theme_rect, NULL); | |
| 203 // Copy and mirror the result back into mem_dc. | |
| 204 StretchBlt(hdc, r.x(), r.y(), r.width(), r.height(), | |
| 205 mem_dc, r.width()-1, 0, -r.width(), r.height(), SRCCOPY); | |
| 206 SelectObject(mem_dc, old_bitmap); | |
| 207 return result; | |
| 208 } | |
| 209 } | |
| 210 | |
| 211 // For some reason, Windows uses the name DFCS_MENUARROWRIGHT to indicate a | |
| 212 // left pointing arrow. This makes the following 'if' statement slightly | |
| 213 // counterintuitive. | |
| 214 UINT state; | |
| 215 if (arrow_direction == RIGHT_POINTING_ARROW) | |
| 216 state = DFCS_MENUARROW; | |
| 217 else | |
| 218 state = DFCS_MENUARROWRIGHT; | |
| 219 return PaintFrameControl(hdc, rect, DFC_MENU, state, is_highlighted); | |
| 220 } | |
| 221 | |
| 222 HRESULT NativeTheme::PaintMenuBackground(ThemeName theme, | |
| 223 HDC hdc, | |
| 224 int part_id, | |
| 225 int state_id, | |
| 226 RECT* rect) const { | |
| 227 HANDLE handle = GetThemeHandle(MENU); | |
| 228 if (handle && draw_theme_) { | |
| 229 HRESULT result = draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 230 FrameRect(hdc, rect, GetSysColorBrush(COLOR_3DSHADOW)); | |
| 231 return result; | |
| 232 } | |
| 233 | |
| 234 FillRect(hdc, rect, GetSysColorBrush(COLOR_MENU)); | |
| 235 DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT); | |
| 236 return S_OK; | |
| 237 } | |
| 238 | |
| 239 HRESULT NativeTheme::PaintMenuCheckBackground(ThemeName theme, | |
| 240 HDC hdc, | |
| 241 int part_id, | |
| 242 int state_id, | |
| 243 RECT* rect) const { | |
| 244 HANDLE handle = GetThemeHandle(MENU); | |
| 245 if (handle && draw_theme_) | |
| 246 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 247 // Nothing to do for background. | |
| 248 return S_OK; | |
| 249 } | |
| 250 | |
| 251 HRESULT NativeTheme::PaintMenuCheck(ThemeName theme, | |
| 252 HDC hdc, | |
| 253 int part_id, | |
| 254 int state_id, | |
| 255 RECT* rect, | |
| 256 bool is_highlighted) const { | |
| 257 HANDLE handle = GetThemeHandle(MENU); | |
| 258 if (handle && draw_theme_) { | |
| 259 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 260 } | |
| 261 return PaintFrameControl(hdc, rect, DFC_MENU, DFCS_MENUCHECK, is_highlighted); | |
| 262 } | |
| 263 | |
| 264 HRESULT NativeTheme::PaintMenuGutter(HDC hdc, | |
| 265 int part_id, | |
| 266 int state_id, | |
| 267 RECT* rect) const { | |
| 268 HANDLE handle = GetThemeHandle(MENU); | |
| 269 if (handle && draw_theme_) | |
| 270 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 271 return E_NOTIMPL; | |
| 272 } | |
| 273 | |
| 274 HRESULT NativeTheme::PaintMenuItemBackground(ThemeName theme, | |
| 275 HDC hdc, | |
| 276 int part_id, | |
| 277 int state_id, | |
| 278 bool selected, | |
| 279 RECT* rect) const { | |
| 280 HANDLE handle = GetThemeHandle(MENU); | |
| 281 if (handle && draw_theme_) | |
| 282 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 283 if (selected) | |
| 284 FillRect(hdc, rect, GetSysColorBrush(COLOR_HIGHLIGHT)); | |
| 285 return S_OK; | |
| 286 } | |
| 287 | |
| 288 HRESULT NativeTheme::PaintMenuList(HDC hdc, | |
| 289 int part_id, | |
| 290 int state_id, | |
| 291 int classic_state, | |
| 292 RECT* rect) const { | |
| 293 HANDLE handle = GetThemeHandle(MENULIST); | |
| 294 if (handle && draw_theme_) | |
| 295 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 296 | |
| 297 // Draw it manually. | |
| 298 DrawFrameControl(hdc, rect, DFC_SCROLL, DFCS_SCROLLCOMBOBOX | classic_state); | |
| 299 return S_OK; | |
| 300 } | |
| 301 | |
| 302 HRESULT NativeTheme::PaintMenuSeparator(HDC hdc, | |
| 303 int part_id, | |
| 304 int state_id, | |
| 305 RECT* rect) const { | |
| 306 HANDLE handle = GetThemeHandle(MENU); | |
| 307 if (handle && draw_theme_) | |
| 308 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 309 DrawEdge(hdc, rect, EDGE_ETCHED, BF_TOP); | |
| 310 return S_OK; | |
| 311 } | |
| 312 | |
| 313 HRESULT NativeTheme::PaintScrollbarArrow(HDC hdc, | |
| 314 int state_id, | |
| 315 int classic_state, | |
| 316 RECT* rect) const { | |
| 317 HANDLE handle = GetThemeHandle(SCROLLBAR); | |
| 318 if (handle && draw_theme_) | |
| 319 return draw_theme_(handle, hdc, SBP_ARROWBTN, state_id, rect, NULL); | |
| 320 | |
| 321 // Draw it manually. | |
| 322 DrawFrameControl(hdc, rect, DFC_SCROLL, classic_state); | |
| 323 return S_OK; | |
| 324 } | |
| 325 | |
| 326 HRESULT NativeTheme::PaintScrollbarTrack( | |
| 327 HDC hdc, | |
| 328 int part_id, | |
| 329 int state_id, | |
| 330 int classic_state, | |
| 331 RECT* target_rect, | |
| 332 RECT* align_rect, | |
| 333 skia::PlatformCanvas* canvas) const { | |
| 334 HANDLE handle = GetThemeHandle(SCROLLBAR); | |
| 335 if (handle && draw_theme_) | |
| 336 return draw_theme_(handle, hdc, part_id, state_id, target_rect, NULL); | |
| 337 | |
| 338 // Draw it manually. | |
| 339 const DWORD colorScrollbar = GetSysColor(COLOR_SCROLLBAR); | |
| 340 const DWORD color3DFace = GetSysColor(COLOR_3DFACE); | |
| 341 if ((colorScrollbar != color3DFace) && | |
| 342 (colorScrollbar != GetSysColor(COLOR_WINDOW))) { | |
| 343 FillRect(hdc, target_rect, reinterpret_cast<HBRUSH>(COLOR_SCROLLBAR + 1)); | |
| 344 } else { | |
| 345 SkPaint paint; | |
| 346 SetCheckerboardShader(&paint, *align_rect); | |
| 347 canvas->drawIRect(skia::RECTToSkIRect(*target_rect), paint); | |
| 348 } | |
| 349 if (classic_state & DFCS_PUSHED) | |
| 350 InvertRect(hdc, target_rect); | |
| 351 return S_OK; | |
| 352 } | |
| 353 | |
| 354 HRESULT NativeTheme::PaintScrollbarThumb(HDC hdc, | |
| 355 int part_id, | |
| 356 int state_id, | |
| 357 int classic_state, | |
| 358 RECT* rect) const { | |
| 359 HANDLE handle = GetThemeHandle(SCROLLBAR); | |
| 360 if (handle && draw_theme_) | |
| 361 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 362 | |
| 363 // Draw it manually. | |
| 364 if ((part_id == SBP_THUMBBTNHORZ) || (part_id == SBP_THUMBBTNVERT)) | |
| 365 DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT | BF_MIDDLE); | |
| 366 // Classic mode doesn't have a gripper. | |
| 367 return S_OK; | |
| 368 } | |
| 369 | |
| 370 HRESULT NativeTheme::PaintStatusGripper(HDC hdc, | |
| 371 int part_id, | |
| 372 int state_id, | |
| 373 int classic_state, | |
| 374 RECT* rect) const { | |
| 375 HANDLE handle = GetThemeHandle(STATUS); | |
| 376 if (handle && draw_theme_) { | |
| 377 // Paint the status bar gripper. There doesn't seem to be a | |
| 378 // standard gripper in Windows for the space between | |
| 379 // scrollbars. This is pretty close, but it's supposed to be | |
| 380 // painted over a status bar. | |
| 381 return draw_theme_(handle, hdc, SP_GRIPPER, 0, rect, NULL); | |
| 382 } | |
| 383 | |
| 384 // Draw a windows classic scrollbar gripper. | |
| 385 DrawFrameControl(hdc, rect, DFC_SCROLL, DFCS_SCROLLSIZEGRIP); | |
| 386 return S_OK; | |
| 387 } | |
| 388 | |
| 389 HRESULT NativeTheme::PaintTabPanelBackground(HDC hdc, RECT* rect) const { | |
| 390 HANDLE handle = GetThemeHandle(TAB); | |
| 391 if (handle && draw_theme_) | |
| 392 return draw_theme_(handle, hdc, TABP_BODY, 0, rect, NULL); | |
| 393 | |
| 394 // Classic just renders a flat color background. | |
| 395 FillRect(hdc, rect, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); | |
| 396 return S_OK; | |
| 397 } | |
| 398 | |
| 399 HRESULT NativeTheme::PaintTrackbar(HDC hdc, | |
| 400 int part_id, | |
| 401 int state_id, | |
| 402 int classic_state, | |
| 403 RECT* rect, | |
| 404 skia::PlatformCanvas* canvas) const { | |
| 405 // Make the channel be 4 px thick in the center of the supplied rect. (4 px | |
| 406 // matches what XP does in various menus; GetThemePartSize() doesn't seem to | |
| 407 // return good values here.) | |
| 408 RECT channel_rect = *rect; | |
| 409 const int channel_thickness = 4; | |
| 410 if (part_id == TKP_TRACK) { | |
| 411 channel_rect.top += | |
| 412 ((channel_rect.bottom - channel_rect.top - channel_thickness) / 2); | |
| 413 channel_rect.bottom = channel_rect.top + channel_thickness; | |
| 414 } else if (part_id == TKP_TRACKVERT) { | |
| 415 channel_rect.left += | |
| 416 ((channel_rect.right - channel_rect.left - channel_thickness) / 2); | |
| 417 channel_rect.right = channel_rect.left + channel_thickness; | |
| 418 } // else this isn't actually a channel, so |channel_rect| == |rect|. | |
| 419 | |
| 420 HANDLE handle = GetThemeHandle(TRACKBAR); | |
| 421 if (handle && draw_theme_) | |
| 422 return draw_theme_(handle, hdc, part_id, state_id, &channel_rect, NULL); | |
| 423 | |
| 424 // Classic mode, draw it manually. | |
| 425 if ((part_id == TKP_TRACK) || (part_id == TKP_TRACKVERT)) { | |
| 426 DrawEdge(hdc, &channel_rect, EDGE_SUNKEN, BF_RECT); | |
| 427 } else if (part_id == TKP_THUMBVERT) { | |
| 428 DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT | BF_SOFT | BF_MIDDLE); | |
| 429 } else { | |
| 430 // Split rect into top and bottom pieces. | |
| 431 RECT top_section = *rect; | |
| 432 RECT bottom_section = *rect; | |
| 433 top_section.bottom -= ((bottom_section.right - bottom_section.left) / 2); | |
| 434 bottom_section.top = top_section.bottom; | |
| 435 DrawEdge(hdc, &top_section, EDGE_RAISED, | |
| 436 BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT | BF_MIDDLE | BF_ADJUST); | |
| 437 | |
| 438 // Split triangular piece into two diagonals. | |
| 439 RECT& left_half = bottom_section; | |
| 440 RECT right_half = bottom_section; | |
| 441 right_half.left += ((bottom_section.right - bottom_section.left) / 2); | |
| 442 left_half.right = right_half.left; | |
| 443 DrawEdge(hdc, &left_half, EDGE_RAISED, | |
| 444 BF_DIAGONAL_ENDTOPLEFT | BF_SOFT | BF_MIDDLE | BF_ADJUST); | |
| 445 DrawEdge(hdc, &right_half, EDGE_RAISED, | |
| 446 BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT | BF_MIDDLE | BF_ADJUST); | |
| 447 | |
| 448 // If the button is pressed, draw hatching. | |
| 449 if (classic_state & DFCS_PUSHED) { | |
| 450 SkPaint paint; | |
| 451 SetCheckerboardShader(&paint, *rect); | |
| 452 | |
| 453 // Fill all three pieces with the pattern. | |
| 454 canvas->drawIRect(skia::RECTToSkIRect(top_section), paint); | |
| 455 | |
| 456 SkScalar left_triangle_top = SkIntToScalar(left_half.top); | |
| 457 SkScalar left_triangle_right = SkIntToScalar(left_half.right); | |
| 458 SkPath left_triangle; | |
| 459 left_triangle.moveTo(SkIntToScalar(left_half.left), left_triangle_top); | |
| 460 left_triangle.lineTo(left_triangle_right, left_triangle_top); | |
| 461 left_triangle.lineTo(left_triangle_right, | |
| 462 SkIntToScalar(left_half.bottom)); | |
| 463 left_triangle.close(); | |
| 464 canvas->drawPath(left_triangle, paint); | |
| 465 | |
| 466 SkScalar right_triangle_left = SkIntToScalar(right_half.left); | |
| 467 SkScalar right_triangle_top = SkIntToScalar(right_half.top); | |
| 468 SkPath right_triangle; | |
| 469 right_triangle.moveTo(right_triangle_left, right_triangle_top); | |
| 470 right_triangle.lineTo(SkIntToScalar(right_half.right), | |
| 471 right_triangle_top); | |
| 472 right_triangle.lineTo(right_triangle_left, | |
| 473 SkIntToScalar(right_half.bottom)); | |
| 474 right_triangle.close(); | |
| 475 canvas->drawPath(right_triangle, paint); | |
| 476 } | |
| 477 } | |
| 478 return S_OK; | |
| 479 } | |
| 480 | |
| 481 HRESULT NativeTheme::PaintTextField(HDC hdc, | |
| 482 int part_id, | |
| 483 int state_id, | |
| 484 int classic_state, | |
| 485 RECT* rect, | |
| 486 COLORREF color, | |
| 487 bool fill_content_area, | |
| 488 bool draw_edges) const { | |
| 489 // TODO(ojan): http://b/1210017 Figure out how to give the ability to | |
| 490 // exclude individual edges from being drawn. | |
| 491 | |
| 492 HANDLE handle = GetThemeHandle(TEXTFIELD); | |
| 493 // TODO(mpcomplete): can we detect if the color is specified by the user, | |
| 494 // and if not, just use the system color? | |
| 495 // CreateSolidBrush() accepts a RGB value but alpha must be 0. | |
| 496 HBRUSH bg_brush = CreateSolidBrush(color); | |
| 497 HRESULT hr; | |
| 498 // DrawThemeBackgroundEx was introduced in XP SP2, so that it's possible | |
| 499 // draw_theme_ex_ is NULL and draw_theme_ is non-null. | |
| 500 if (handle && (draw_theme_ex_ || (draw_theme_ && draw_edges))) { | |
| 501 if (draw_theme_ex_) { | |
| 502 static DTBGOPTS omit_border_options = { | |
| 503 sizeof(DTBGOPTS), | |
| 504 DTBG_OMITBORDER, | |
| 505 {0,0,0,0} | |
| 506 }; | |
| 507 DTBGOPTS* draw_opts = draw_edges ? NULL : &omit_border_options; | |
| 508 hr = draw_theme_ex_(handle, hdc, part_id, state_id, rect, draw_opts); | |
| 509 } else { | |
| 510 hr = draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 511 } | |
| 512 | |
| 513 // TODO(maruel): Need to be fixed if get_theme_content_rect_ is NULL. | |
| 514 if (fill_content_area && get_theme_content_rect_) { | |
| 515 RECT content_rect; | |
| 516 hr = get_theme_content_rect_(handle, hdc, part_id, state_id, rect, | |
| 517 &content_rect); | |
| 518 FillRect(hdc, &content_rect, bg_brush); | |
| 519 } | |
| 520 } else { | |
| 521 // Draw it manually. | |
| 522 if (draw_edges) | |
| 523 DrawEdge(hdc, rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); | |
| 524 | |
| 525 if (fill_content_area) { | |
| 526 FillRect(hdc, rect, (classic_state & DFCS_INACTIVE) ? | |
| 527 reinterpret_cast<HBRUSH>(COLOR_BTNFACE + 1) : bg_brush); | |
| 528 } | |
| 529 hr = S_OK; | |
| 530 } | |
| 531 DeleteObject(bg_brush); | |
| 532 return hr; | |
| 533 } | |
| 534 | |
| 535 bool NativeTheme::IsThemingActive() const { | |
| 536 if (is_theme_active_) | |
| 537 return !!is_theme_active_(); | |
| 538 return false; | |
| 539 } | |
| 540 | |
| 541 HRESULT NativeTheme::GetThemePartSize(ThemeName theme_name, | |
| 542 HDC hdc, | |
| 543 int part_id, | |
| 544 int state_id, | |
| 545 RECT* rect, | |
| 546 int ts, | |
| 547 SIZE* size) const { | |
| 548 HANDLE handle = GetThemeHandle(theme_name); | |
| 549 if (handle && get_theme_part_size_) | |
| 550 return get_theme_part_size_(handle, hdc, part_id, state_id, rect, ts, size); | |
| 551 | |
| 552 return E_NOTIMPL; | |
| 553 } | |
| 554 | |
| 555 HRESULT NativeTheme::GetThemeColor(ThemeName theme, | |
| 556 int part_id, | |
| 557 int state_id, | |
| 558 int prop_id, | |
| 559 SkColor* color) const { | |
| 560 HANDLE handle = GetThemeHandle(theme); | |
| 561 if (handle && get_theme_color_) { | |
| 562 COLORREF color_ref; | |
| 563 if (get_theme_color_(handle, part_id, state_id, prop_id, &color_ref) == | |
| 564 S_OK) { | |
| 565 *color = skia::COLORREFToSkColor(color_ref); | |
| 566 return S_OK; | |
| 567 } | |
| 568 } | |
| 569 return E_NOTIMPL; | |
| 570 } | |
| 571 | |
| 572 SkColor NativeTheme::GetThemeColorWithDefault(ThemeName theme, | |
| 573 int part_id, | |
| 574 int state_id, | |
| 575 int prop_id, | |
| 576 int default_sys_color) const { | |
| 577 SkColor color; | |
| 578 if (GetThemeColor(theme, part_id, state_id, prop_id, &color) != S_OK) | |
| 579 color = skia::COLORREFToSkColor(GetSysColor(default_sys_color)); | |
| 580 return color; | |
| 581 } | |
| 582 | |
| 583 HRESULT NativeTheme::GetThemeInt(ThemeName theme, | |
| 584 int part_id, | |
| 585 int state_id, | |
| 586 int prop_id, | |
| 587 int *value) const { | |
| 588 HANDLE handle = GetThemeHandle(theme); | |
| 589 if (handle && get_theme_int_) | |
| 590 return get_theme_int_(handle, part_id, state_id, prop_id, value); | |
| 591 return E_NOTIMPL; | |
| 592 } | |
| 593 | |
| 594 Size NativeTheme::GetThemeBorderSize(ThemeName theme) const { | |
| 595 // For simplicity use the wildcard state==0, part==0, since it works | |
| 596 // for the cases we currently depend on. | |
| 597 int border; | |
| 598 if (GetThemeInt(theme, 0, 0, TMT_BORDERSIZE, &border) == S_OK) | |
| 599 return Size(border, border); | |
| 600 else | |
| 601 return Size(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)); | |
| 602 } | |
| 603 | |
| 604 | |
| 605 void NativeTheme::DisableTheming() const { | |
| 606 if (!set_theme_properties_) | |
| 607 return; | |
| 608 set_theme_properties_(0); | |
| 609 } | |
| 610 | |
| 611 HRESULT NativeTheme::PaintFrameControl(HDC hdc, | |
| 612 RECT* rect, | |
| 613 UINT type, | |
| 614 UINT state, | |
| 615 bool is_highlighted) const { | |
| 616 const int width = rect->right - rect->left; | |
| 617 const int height = rect->bottom - rect->top; | |
| 618 | |
| 619 // DrawFrameControl for menu arrow/check wants a monochrome bitmap. | |
| 620 ScopedBitmap mask_bitmap(CreateBitmap(width, height, 1, 1, NULL)); | |
| 621 | |
| 622 if (mask_bitmap == NULL) | |
| 623 return E_OUTOFMEMORY; | |
| 624 | |
| 625 ScopedHDC bitmap_dc(CreateCompatibleDC(NULL)); | |
| 626 HGDIOBJ org_bitmap = SelectObject(bitmap_dc, mask_bitmap); | |
| 627 RECT local_rect = { 0, 0, width, height }; | |
| 628 DrawFrameControl(bitmap_dc, &local_rect, type, state); | |
| 629 | |
| 630 // We're going to use BitBlt with a b&w mask. This results in using the dest | |
| 631 // dc's text color for the black bits in the mask, and the dest dc's | |
| 632 // background color for the white bits in the mask. DrawFrameControl draws the | |
| 633 // check in black, and the background in white. | |
| 634 COLORREF old_bg_color = | |
| 635 SetBkColor(hdc, | |
| 636 GetSysColor(is_highlighted ? COLOR_HIGHLIGHT : COLOR_MENU)); | |
| 637 COLORREF old_text_color = | |
| 638 SetTextColor(hdc, | |
| 639 GetSysColor(is_highlighted ? COLOR_HIGHLIGHTTEXT : | |
| 640 COLOR_MENUTEXT)); | |
| 641 BitBlt(hdc, rect->left, rect->top, width, height, bitmap_dc, 0, 0, SRCCOPY); | |
| 642 SetBkColor(hdc, old_bg_color); | |
| 643 SetTextColor(hdc, old_text_color); | |
| 644 | |
| 645 SelectObject(bitmap_dc, org_bitmap); | |
| 646 | |
| 647 return S_OK; | |
| 648 } | |
| 649 | |
| 650 void NativeTheme::CloseHandles() const | |
| 651 { | |
| 652 if (!close_theme_) | |
| 653 return; | |
| 654 | |
| 655 for (int i = 0; i < LAST; ++i) { | |
| 656 if (theme_handles_[i]) | |
| 657 close_theme_(theme_handles_[i]); | |
| 658 theme_handles_[i] = NULL; | |
| 659 } | |
| 660 } | |
| 661 | |
| 662 HANDLE NativeTheme::GetThemeHandle(ThemeName theme_name) const | |
| 663 { | |
| 664 if (!open_theme_ || theme_name < 0 || theme_name >= LAST) | |
| 665 return 0; | |
| 666 | |
| 667 if (theme_handles_[theme_name]) | |
| 668 return theme_handles_[theme_name]; | |
| 669 | |
| 670 // Not found, try to load it. | |
| 671 HANDLE handle = 0; | |
| 672 switch (theme_name) { | |
| 673 case BUTTON: | |
| 674 handle = open_theme_(NULL, L"Button"); | |
| 675 break; | |
| 676 case LIST: | |
| 677 handle = open_theme_(NULL, L"Listview"); | |
| 678 break; | |
| 679 case MENU: | |
| 680 handle = open_theme_(NULL, L"Menu"); | |
| 681 break; | |
| 682 case MENULIST: | |
| 683 handle = open_theme_(NULL, L"Combobox"); | |
| 684 break; | |
| 685 case SCROLLBAR: | |
| 686 handle = open_theme_(NULL, L"Scrollbar"); | |
| 687 break; | |
| 688 case STATUS: | |
| 689 handle = open_theme_(NULL, L"Status"); | |
| 690 break; | |
| 691 case TAB: | |
| 692 handle = open_theme_(NULL, L"Tab"); | |
| 693 break; | |
| 694 case TEXTFIELD: | |
| 695 handle = open_theme_(NULL, L"Edit"); | |
| 696 break; | |
| 697 case TRACKBAR: | |
| 698 handle = open_theme_(NULL, L"Trackbar"); | |
| 699 break; | |
| 700 case WINDOW: | |
| 701 handle = open_theme_(NULL, L"Window"); | |
| 702 break; | |
| 703 default: | |
| 704 NOTREACHED(); | |
| 705 } | |
| 706 theme_handles_[theme_name] = handle; | |
| 707 return handle; | |
| 708 } | |
| 709 | |
| 710 } // namespace gfx | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 259047:
Move classes depending on Skia out of base/gfx and into app/gfx. Rename... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/