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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "gfx/native_theme_win.h" | |
| 6 | |
| 7 #include <windows.h> | |
| 8 #include <uxtheme.h> | |
| 9 #include <vsstyle.h> | |
| 10 #include <vssym32.h> | |
| 11 | |
| 12 #include "base/logging.h" | |
| 13 #include "base/scoped_handle.h" | |
| 14 #include "base/win/scoped_gdi_object.h" | |
| 15 #include "base/win/scoped_hdc.h" | |
| 16 #include "base/win/windows_version.h" | |
| 17 #include "gfx/gdi_util.h" | |
| 18 #include "gfx/rect.h" | |
| 19 #include "skia/ext/platform_canvas.h" | |
| 20 #include "skia/ext/skia_utils_win.h" | |
| 21 #include "third_party/skia/include/core/SkShader.h" | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 void SetCheckerboardShader(SkPaint* paint, const RECT& align_rect) { | |
| 26 // Create a 2x2 checkerboard pattern using the 3D face and highlight colors. | |
| 27 SkColor face = skia::COLORREFToSkColor(GetSysColor(COLOR_3DFACE)); | |
| 28 SkColor highlight = skia::COLORREFToSkColor(GetSysColor(COLOR_3DHILIGHT)); | |
| 29 SkColor buffer[] = { face, highlight, highlight, face }; | |
| 30 // Confusing bit: we first create a temporary bitmap with our desired pattern, | |
| 31 // then copy it to another bitmap. The temporary bitmap doesn't take | |
| 32 // ownership of the pixel data, and so will point to garbage when this | |
| 33 // function returns. The copy will copy the pixel data into a place owned by | |
| 34 // the bitmap, which is in turn owned by the shader, etc., so it will live | |
| 35 // until we're done using it. | |
| 36 SkBitmap temp_bitmap; | |
| 37 temp_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 2, 2); | |
| 38 temp_bitmap.setPixels(buffer); | |
| 39 SkBitmap bitmap; | |
| 40 temp_bitmap.copyTo(&bitmap, temp_bitmap.config()); | |
| 41 SkShader* shader = SkShader::CreateBitmapShader(bitmap, | |
| 42 SkShader::kRepeat_TileMode, | |
| 43 SkShader::kRepeat_TileMode); | |
| 44 | |
| 45 // Align the pattern with the upper corner of |align_rect|. | |
| 46 SkMatrix matrix; | |
| 47 matrix.setTranslate(SkIntToScalar(align_rect.left), | |
| 48 SkIntToScalar(align_rect.top)); | |
| 49 shader->setLocalMatrix(matrix); | |
| 50 SkSafeUnref(paint->setShader(shader)); | |
| 51 } | |
| 52 | |
| 53 } // namespace | |
| 54 | |
| 55 namespace gfx { | |
| 56 | |
| 57 /* static */ | |
| 58 const NativeTheme* NativeTheme::instance() { | |
| 59 // The global NativeTheme instance. | |
| 60 static const NativeTheme s_native_theme; | |
| 61 return &s_native_theme; | |
| 62 } | |
| 63 | |
| 64 NativeTheme::NativeTheme() | |
| 65 : theme_dll_(LoadLibrary(L"uxtheme.dll")), | |
| 66 draw_theme_(NULL), | |
| 67 draw_theme_ex_(NULL), | |
| 68 get_theme_color_(NULL), | |
| 69 get_theme_content_rect_(NULL), | |
| 70 get_theme_part_size_(NULL), | |
| 71 open_theme_(NULL), | |
| 72 close_theme_(NULL), | |
| 73 set_theme_properties_(NULL), | |
| 74 is_theme_active_(NULL), | |
| 75 get_theme_int_(NULL) { | |
| 76 if (theme_dll_) { | |
| 77 draw_theme_ = reinterpret_cast<DrawThemeBackgroundPtr>( | |
| 78 GetProcAddress(theme_dll_, "DrawThemeBackground")); | |
| 79 draw_theme_ex_ = reinterpret_cast<DrawThemeBackgroundExPtr>( | |
| 80 GetProcAddress(theme_dll_, "DrawThemeBackgroundEx")); | |
| 81 get_theme_color_ = reinterpret_cast<GetThemeColorPtr>( | |
| 82 GetProcAddress(theme_dll_, "GetThemeColor")); | |
| 83 get_theme_content_rect_ = reinterpret_cast<GetThemeContentRectPtr>( | |
| 84 GetProcAddress(theme_dll_, "GetThemeBackgroundContentRect")); | |
| 85 get_theme_part_size_ = reinterpret_cast<GetThemePartSizePtr>( | |
| 86 GetProcAddress(theme_dll_, "GetThemePartSize")); | |
| 87 open_theme_ = reinterpret_cast<OpenThemeDataPtr>( | |
| 88 GetProcAddress(theme_dll_, "OpenThemeData")); | |
| 89 close_theme_ = reinterpret_cast<CloseThemeDataPtr>( | |
| 90 GetProcAddress(theme_dll_, "CloseThemeData")); | |
| 91 set_theme_properties_ = reinterpret_cast<SetThemeAppPropertiesPtr>( | |
| 92 GetProcAddress(theme_dll_, "SetThemeAppProperties")); | |
| 93 is_theme_active_ = reinterpret_cast<IsThemeActivePtr>( | |
| 94 GetProcAddress(theme_dll_, "IsThemeActive")); | |
| 95 get_theme_int_ = reinterpret_cast<GetThemeIntPtr>( | |
| 96 GetProcAddress(theme_dll_, "GetThemeInt")); | |
| 97 } | |
| 98 memset(theme_handles_, 0, sizeof(theme_handles_)); | |
| 99 } | |
| 100 | |
| 101 NativeTheme::~NativeTheme() { | |
| 102 if (theme_dll_) { | |
| 103 // todo (cpu): fix this soon. | |
| 104 // CloseHandles(); | |
| 105 FreeLibrary(theme_dll_); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 HRESULT NativeTheme::PaintButton(HDC hdc, | |
| 110 int part_id, | |
| 111 int state_id, | |
| 112 int classic_state, | |
| 113 RECT* rect) const { | |
| 114 HANDLE handle = GetThemeHandle(BUTTON); | |
| 115 if (handle && draw_theme_) | |
| 116 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 117 | |
| 118 // Draw it manually. | |
| 119 // All pressed states have both low bits set, and no other states do. | |
| 120 const bool focused = ((state_id & ETS_FOCUSED) == ETS_FOCUSED); | |
| 121 const bool pressed = ((state_id & PBS_PRESSED) == PBS_PRESSED); | |
| 122 if ((BP_PUSHBUTTON == part_id) && (pressed || focused)) { | |
| 123 // BP_PUSHBUTTON has a focus rect drawn around the outer edge, and the | |
| 124 // button itself is shrunk by 1 pixel. | |
| 125 HBRUSH brush = GetSysColorBrush(COLOR_3DDKSHADOW); | |
| 126 if (brush) { | |
| 127 FrameRect(hdc, rect, brush); | |
| 128 InflateRect(rect, -1, -1); | |
| 129 } | |
| 130 } | |
| 131 DrawFrameControl(hdc, rect, DFC_BUTTON, classic_state); | |
| 132 | |
| 133 // Draw the focus rectangle (the dotted line box) only on buttons. For radio | |
| 134 // and checkboxes, we let webkit draw the focus rectangle (orange glow). | |
| 135 if ((BP_PUSHBUTTON == part_id) && focused) { | |
| 136 // The focus rect is inside the button. The exact number of pixels depends | |
| 137 // on whether we're in classic mode or using uxtheme. | |
| 138 if (handle && get_theme_content_rect_) { | |
| 139 get_theme_content_rect_(handle, hdc, part_id, state_id, rect, rect); | |
| 140 } else { | |
| 141 InflateRect(rect, -GetSystemMetrics(SM_CXEDGE), | |
| 142 -GetSystemMetrics(SM_CYEDGE)); | |
| 143 } | |
| 144 DrawFocusRect(hdc, rect); | |
| 145 } | |
| 146 | |
| 147 return S_OK; | |
| 148 } | |
| 149 | |
| 150 HRESULT NativeTheme::PaintDialogBackground(HDC hdc, bool active, | |
| 151 RECT* rect) const { | |
| 152 HANDLE handle = GetThemeHandle(WINDOW); | |
| 153 if (handle && draw_theme_) { | |
| 154 return draw_theme_(handle, hdc, WP_DIALOG, | |
| 155 active ? FS_ACTIVE : FS_INACTIVE, rect, NULL); | |
| 156 } | |
| 157 | |
| 158 // Classic just renders a flat color background. | |
| 159 FillRect(hdc, rect, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); | |
| 160 return S_OK; | |
| 161 } | |
| 162 | |
| 163 HRESULT NativeTheme::PaintListBackground(HDC hdc, | |
| 164 bool enabled, | |
| 165 RECT* rect) const { | |
| 166 HANDLE handle = GetThemeHandle(LIST); | |
| 167 if (handle && draw_theme_) | |
| 168 return draw_theme_(handle, hdc, 1, TS_NORMAL, rect, NULL); | |
| 169 | |
| 170 // Draw it manually. | |
| 171 HBRUSH bg_brush = GetSysColorBrush(COLOR_WINDOW); | |
| 172 FillRect(hdc, rect, bg_brush); | |
| 173 DrawEdge(hdc, rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); | |
| 174 return S_OK; | |
| 175 } | |
| 176 | |
| 177 HRESULT NativeTheme::PaintMenuArrow(ThemeName theme, | |
| 178 HDC hdc, | |
| 179 int part_id, | |
| 180 int state_id, | |
| 181 RECT* rect, | |
| 182 MenuArrowDirection arrow_direction, | |
| 183 ControlState control_state) const { | |
| 184 HANDLE handle = GetThemeHandle(MENU); | |
| 185 if (handle && draw_theme_) { | |
| 186 if (arrow_direction == RIGHT_POINTING_ARROW) { | |
| 187 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 188 } else { | |
| 189 // There is no way to tell the uxtheme API to draw a left pointing arrow; | |
| 190 // it doesn't have a flag equivalent to DFCS_MENUARROWRIGHT. But they | |
| 191 // are needed for RTL locales on Vista. So use a memory DC and mirror | |
| 192 // the region with GDI's StretchBlt. | |
| 193 Rect r(*rect); | |
| 194 base::win::ScopedHDC mem_dc(CreateCompatibleDC(hdc)); | |
| 195 base::win::ScopedBitmap mem_bitmap(CreateCompatibleBitmap(hdc, r.width(), | |
| 196 r.height())); | |
| 197 HGDIOBJ old_bitmap = SelectObject(mem_dc, mem_bitmap); | |
| 198 // Copy and horizontally mirror the background from hdc into mem_dc. Use | |
| 199 // a negative-width source rect, starting at the rightmost pixel. | |
| 200 StretchBlt(mem_dc, 0, 0, r.width(), r.height(), | |
| 201 hdc, r.right()-1, r.y(), -r.width(), r.height(), SRCCOPY); | |
| 202 // Draw the arrow. | |
| 203 RECT theme_rect = {0, 0, r.width(), r.height()}; | |
| 204 HRESULT result = draw_theme_(handle, mem_dc, part_id, | |
| 205 state_id, &theme_rect, NULL); | |
| 206 // Copy and mirror the result back into mem_dc. | |
| 207 StretchBlt(hdc, r.x(), r.y(), r.width(), r.height(), | |
| 208 mem_dc, r.width()-1, 0, -r.width(), r.height(), SRCCOPY); | |
| 209 SelectObject(mem_dc, old_bitmap); | |
| 210 return result; | |
| 211 } | |
| 212 } | |
| 213 | |
| 214 // For some reason, Windows uses the name DFCS_MENUARROWRIGHT to indicate a | |
| 215 // left pointing arrow. This makes the following 'if' statement slightly | |
| 216 // counterintuitive. | |
| 217 UINT state; | |
| 218 if (arrow_direction == RIGHT_POINTING_ARROW) | |
| 219 state = DFCS_MENUARROW; | |
| 220 else | |
| 221 state = DFCS_MENUARROWRIGHT; | |
| 222 return PaintFrameControl(hdc, rect, DFC_MENU, state, control_state); | |
| 223 } | |
| 224 | |
| 225 HRESULT NativeTheme::PaintMenuBackground(ThemeName theme, | |
| 226 HDC hdc, | |
| 227 int part_id, | |
| 228 int state_id, | |
| 229 RECT* rect) const { | |
| 230 HANDLE handle = GetThemeHandle(MENU); | |
| 231 if (handle && draw_theme_) { | |
| 232 HRESULT result = draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 233 FrameRect(hdc, rect, GetSysColorBrush(COLOR_3DSHADOW)); | |
| 234 return result; | |
| 235 } | |
| 236 | |
| 237 FillRect(hdc, rect, GetSysColorBrush(COLOR_MENU)); | |
| 238 DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT); | |
| 239 return S_OK; | |
| 240 } | |
| 241 | |
| 242 HRESULT NativeTheme::PaintMenuCheckBackground(ThemeName theme, | |
| 243 HDC hdc, | |
| 244 int part_id, | |
| 245 int state_id, | |
| 246 RECT* rect) const { | |
| 247 HANDLE handle = GetThemeHandle(MENU); | |
| 248 if (handle && draw_theme_) | |
| 249 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 250 // Nothing to do for background. | |
| 251 return S_OK; | |
| 252 } | |
| 253 | |
| 254 HRESULT NativeTheme::PaintMenuCheck(ThemeName theme, | |
| 255 HDC hdc, | |
| 256 int part_id, | |
| 257 int state_id, | |
| 258 RECT* rect, | |
| 259 ControlState control_state) const { | |
| 260 HANDLE handle = GetThemeHandle(MENU); | |
| 261 if (handle && draw_theme_) { | |
| 262 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 263 } | |
| 264 return PaintFrameControl(hdc, rect, DFC_MENU, DFCS_MENUCHECK, control_state); | |
| 265 } | |
| 266 | |
| 267 HRESULT NativeTheme::PaintMenuGutter(HDC hdc, | |
| 268 int part_id, | |
| 269 int state_id, | |
| 270 RECT* rect) const { | |
| 271 HANDLE handle = GetThemeHandle(MENU); | |
| 272 if (handle && draw_theme_) | |
| 273 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 274 return E_NOTIMPL; | |
| 275 } | |
| 276 | |
| 277 HRESULT NativeTheme::PaintMenuItemBackground(ThemeName theme, | |
| 278 HDC hdc, | |
| 279 int part_id, | |
| 280 int state_id, | |
| 281 bool selected, | |
| 282 RECT* rect) const { | |
| 283 HANDLE handle = GetThemeHandle(MENU); | |
| 284 if (handle && draw_theme_) | |
| 285 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 286 if (selected) | |
| 287 FillRect(hdc, rect, GetSysColorBrush(COLOR_HIGHLIGHT)); | |
| 288 return S_OK; | |
| 289 } | |
| 290 | |
| 291 HRESULT NativeTheme::PaintMenuList(HDC hdc, | |
| 292 int part_id, | |
| 293 int state_id, | |
| 294 int classic_state, | |
| 295 RECT* rect) const { | |
| 296 HANDLE handle = GetThemeHandle(MENULIST); | |
| 297 if (handle && draw_theme_) | |
| 298 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 299 | |
| 300 // Draw it manually. | |
| 301 DrawFrameControl(hdc, rect, DFC_SCROLL, DFCS_SCROLLCOMBOBOX | classic_state); | |
| 302 return S_OK; | |
| 303 } | |
| 304 | |
| 305 HRESULT NativeTheme::PaintMenuSeparator(HDC hdc, | |
| 306 int part_id, | |
| 307 int state_id, | |
| 308 RECT* rect) const { | |
| 309 HANDLE handle = GetThemeHandle(MENU); | |
| 310 if (handle && draw_theme_) | |
| 311 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 312 DrawEdge(hdc, rect, EDGE_ETCHED, BF_TOP); | |
| 313 return S_OK; | |
| 314 } | |
| 315 | |
| 316 HRESULT NativeTheme::PaintScrollbarArrow(HDC hdc, | |
| 317 int state_id, | |
| 318 int classic_state, | |
| 319 RECT* rect) const { | |
| 320 HANDLE handle = GetThemeHandle(SCROLLBAR); | |
| 321 if (handle && draw_theme_) | |
| 322 return draw_theme_(handle, hdc, SBP_ARROWBTN, state_id, rect, NULL); | |
| 323 | |
| 324 // Draw it manually. | |
| 325 DrawFrameControl(hdc, rect, DFC_SCROLL, classic_state); | |
| 326 return S_OK; | |
| 327 } | |
| 328 | |
| 329 HRESULT NativeTheme::PaintScrollbarTrack( | |
| 330 HDC hdc, | |
| 331 int part_id, | |
| 332 int state_id, | |
| 333 int classic_state, | |
| 334 RECT* target_rect, | |
| 335 RECT* align_rect, | |
| 336 skia::PlatformCanvas* canvas) const { | |
| 337 HANDLE handle = GetThemeHandle(SCROLLBAR); | |
| 338 if (handle && draw_theme_) | |
| 339 return draw_theme_(handle, hdc, part_id, state_id, target_rect, NULL); | |
| 340 | |
| 341 // Draw it manually. | |
| 342 const DWORD colorScrollbar = GetSysColor(COLOR_SCROLLBAR); | |
| 343 const DWORD color3DFace = GetSysColor(COLOR_3DFACE); | |
| 344 if ((colorScrollbar != color3DFace) && | |
| 345 (colorScrollbar != GetSysColor(COLOR_WINDOW))) { | |
| 346 FillRect(hdc, target_rect, reinterpret_cast<HBRUSH>(COLOR_SCROLLBAR + 1)); | |
| 347 } else { | |
| 348 SkPaint paint; | |
| 349 SetCheckerboardShader(&paint, *align_rect); | |
| 350 canvas->drawIRect(skia::RECTToSkIRect(*target_rect), paint); | |
| 351 } | |
| 352 if (classic_state & DFCS_PUSHED) | |
| 353 InvertRect(hdc, target_rect); | |
| 354 return S_OK; | |
| 355 } | |
| 356 | |
| 357 HRESULT NativeTheme::PaintScrollbarThumb(HDC hdc, | |
| 358 int part_id, | |
| 359 int state_id, | |
| 360 int classic_state, | |
| 361 RECT* rect) const { | |
| 362 HANDLE handle = GetThemeHandle(SCROLLBAR); | |
| 363 if (handle && draw_theme_) | |
| 364 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 365 | |
| 366 // Draw it manually. | |
| 367 if ((part_id == SBP_THUMBBTNHORZ) || (part_id == SBP_THUMBBTNVERT)) | |
| 368 DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT | BF_MIDDLE); | |
| 369 // Classic mode doesn't have a gripper. | |
| 370 return S_OK; | |
| 371 } | |
| 372 | |
| 373 HRESULT NativeTheme::PaintSpinButton(HDC hdc, | |
| 374 int part_id, | |
| 375 int state_id, | |
| 376 int classic_state, | |
| 377 RECT* rect) const { | |
| 378 HANDLE handle = GetThemeHandle(SPIN); | |
| 379 if (handle && draw_theme_) | |
| 380 return draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 381 DrawFrameControl(hdc, rect, DFC_SCROLL, classic_state); | |
| 382 return S_OK; | |
| 383 } | |
| 384 | |
| 385 HRESULT NativeTheme::PaintStatusGripper(HDC hdc, | |
| 386 int part_id, | |
| 387 int state_id, | |
| 388 int classic_state, | |
| 389 RECT* rect) const { | |
| 390 HANDLE handle = GetThemeHandle(STATUS); | |
| 391 if (handle && draw_theme_) { | |
| 392 // Paint the status bar gripper. There doesn't seem to be a | |
| 393 // standard gripper in Windows for the space between | |
| 394 // scrollbars. This is pretty close, but it's supposed to be | |
| 395 // painted over a status bar. | |
| 396 return draw_theme_(handle, hdc, SP_GRIPPER, 0, rect, NULL); | |
| 397 } | |
| 398 | |
| 399 // Draw a windows classic scrollbar gripper. | |
| 400 DrawFrameControl(hdc, rect, DFC_SCROLL, DFCS_SCROLLSIZEGRIP); | |
| 401 return S_OK; | |
| 402 } | |
| 403 | |
| 404 HRESULT NativeTheme::PaintTabPanelBackground(HDC hdc, RECT* rect) const { | |
| 405 HANDLE handle = GetThemeHandle(TAB); | |
| 406 if (handle && draw_theme_) | |
| 407 return draw_theme_(handle, hdc, TABP_BODY, 0, rect, NULL); | |
| 408 | |
| 409 // Classic just renders a flat color background. | |
| 410 FillRect(hdc, rect, reinterpret_cast<HBRUSH>(COLOR_3DFACE + 1)); | |
| 411 return S_OK; | |
| 412 } | |
| 413 | |
| 414 HRESULT NativeTheme::PaintTrackbar(HDC hdc, | |
| 415 int part_id, | |
| 416 int state_id, | |
| 417 int classic_state, | |
| 418 RECT* rect, | |
| 419 skia::PlatformCanvas* canvas) const { | |
| 420 // Make the channel be 4 px thick in the center of the supplied rect. (4 px | |
| 421 // matches what XP does in various menus; GetThemePartSize() doesn't seem to | |
| 422 // return good values here.) | |
| 423 RECT channel_rect = *rect; | |
| 424 const int channel_thickness = 4; | |
| 425 if (part_id == TKP_TRACK) { | |
| 426 channel_rect.top += | |
| 427 ((channel_rect.bottom - channel_rect.top - channel_thickness) / 2); | |
| 428 channel_rect.bottom = channel_rect.top + channel_thickness; | |
| 429 } else if (part_id == TKP_TRACKVERT) { | |
| 430 channel_rect.left += | |
| 431 ((channel_rect.right - channel_rect.left - channel_thickness) / 2); | |
| 432 channel_rect.right = channel_rect.left + channel_thickness; | |
| 433 } // else this isn't actually a channel, so |channel_rect| == |rect|. | |
| 434 | |
| 435 HANDLE handle = GetThemeHandle(TRACKBAR); | |
| 436 if (handle && draw_theme_) | |
| 437 return draw_theme_(handle, hdc, part_id, state_id, &channel_rect, NULL); | |
| 438 | |
| 439 // Classic mode, draw it manually. | |
| 440 if ((part_id == TKP_TRACK) || (part_id == TKP_TRACKVERT)) { | |
| 441 DrawEdge(hdc, &channel_rect, EDGE_SUNKEN, BF_RECT); | |
| 442 } else if (part_id == TKP_THUMBVERT) { | |
| 443 DrawEdge(hdc, rect, EDGE_RAISED, BF_RECT | BF_SOFT | BF_MIDDLE); | |
| 444 } else { | |
| 445 // Split rect into top and bottom pieces. | |
| 446 RECT top_section = *rect; | |
| 447 RECT bottom_section = *rect; | |
| 448 top_section.bottom -= ((bottom_section.right - bottom_section.left) / 2); | |
| 449 bottom_section.top = top_section.bottom; | |
| 450 DrawEdge(hdc, &top_section, EDGE_RAISED, | |
| 451 BF_LEFT | BF_TOP | BF_RIGHT | BF_SOFT | BF_MIDDLE | BF_ADJUST); | |
| 452 | |
| 453 // Split triangular piece into two diagonals. | |
| 454 RECT& left_half = bottom_section; | |
| 455 RECT right_half = bottom_section; | |
| 456 right_half.left += ((bottom_section.right - bottom_section.left) / 2); | |
| 457 left_half.right = right_half.left; | |
| 458 DrawEdge(hdc, &left_half, EDGE_RAISED, | |
| 459 BF_DIAGONAL_ENDTOPLEFT | BF_SOFT | BF_MIDDLE | BF_ADJUST); | |
| 460 DrawEdge(hdc, &right_half, EDGE_RAISED, | |
| 461 BF_DIAGONAL_ENDBOTTOMLEFT | BF_SOFT | BF_MIDDLE | BF_ADJUST); | |
| 462 | |
| 463 // If the button is pressed, draw hatching. | |
| 464 if (classic_state & DFCS_PUSHED) { | |
| 465 SkPaint paint; | |
| 466 SetCheckerboardShader(&paint, *rect); | |
| 467 | |
| 468 // Fill all three pieces with the pattern. | |
| 469 canvas->drawIRect(skia::RECTToSkIRect(top_section), paint); | |
| 470 | |
| 471 SkScalar left_triangle_top = SkIntToScalar(left_half.top); | |
| 472 SkScalar left_triangle_right = SkIntToScalar(left_half.right); | |
| 473 SkPath left_triangle; | |
| 474 left_triangle.moveTo(SkIntToScalar(left_half.left), left_triangle_top); | |
| 475 left_triangle.lineTo(left_triangle_right, left_triangle_top); | |
| 476 left_triangle.lineTo(left_triangle_right, | |
| 477 SkIntToScalar(left_half.bottom)); | |
| 478 left_triangle.close(); | |
| 479 canvas->drawPath(left_triangle, paint); | |
| 480 | |
| 481 SkScalar right_triangle_left = SkIntToScalar(right_half.left); | |
| 482 SkScalar right_triangle_top = SkIntToScalar(right_half.top); | |
| 483 SkPath right_triangle; | |
| 484 right_triangle.moveTo(right_triangle_left, right_triangle_top); | |
| 485 right_triangle.lineTo(SkIntToScalar(right_half.right), | |
| 486 right_triangle_top); | |
| 487 right_triangle.lineTo(right_triangle_left, | |
| 488 SkIntToScalar(right_half.bottom)); | |
| 489 right_triangle.close(); | |
| 490 canvas->drawPath(right_triangle, paint); | |
| 491 } | |
| 492 } | |
| 493 return S_OK; | |
| 494 } | |
| 495 | |
| 496 // <-a-> | |
| 497 // [ ***** ] | |
| 498 // ____ | | | |
| 499 // <-a-> <------b-----> | |
| 500 // a: object_width | |
| 501 // b: frame_width | |
| 502 // *: animating object | |
| 503 // | |
| 504 // - the animation goes from "[" to "]" repeatedly. | |
| 505 // - the animation offset is at first "|" | |
| 506 // | |
| 507 static int ComputeAnimationProgress(int frame_width, | |
| 508 int object_width, | |
| 509 int pixels_per_second, | |
| 510 double animated_seconds) { | |
| 511 int animation_width = frame_width + object_width; | |
| 512 double interval = static_cast<double>(animation_width) / pixels_per_second; | |
| 513 double ratio = fmod(animated_seconds, interval) / interval; | |
| 514 return static_cast<int>(animation_width * ratio) - object_width; | |
| 515 } | |
| 516 | |
| 517 static RECT InsetRect(const RECT* rect, int size) { | |
| 518 gfx::Rect result(*rect); | |
| 519 result.Inset(size, size); | |
| 520 return result.ToRECT(); | |
| 521 } | |
| 522 | |
| 523 HRESULT NativeTheme::PaintProgressBar(HDC hdc, | |
| 524 RECT* bar_rect, | |
| 525 RECT* value_rect, | |
| 526 bool determinate, | |
| 527 double animated_seconds, | |
| 528 skia::PlatformCanvas* canvas) const { | |
| 529 // There is no documentation about the animation speed, frame-rate, nor | |
| 530 // size of moving overlay of the indeterminate progress bar. | |
| 531 // So we just observed real-world programs and guessed following parameters. | |
| 532 const int kDeteminateOverlayPixelsPerSecond = 300; | |
| 533 const int kDeteminateOverlayWidth = 120; | |
| 534 const int kIndeterminateOverlayPixelsPerSecond = 175; | |
| 535 const int kVistaIndeterminateOverlayWidth = 120; | |
| 536 const int kXPIndeterminateOverlayWidth = 55; | |
| 537 // The thickness of the bar frame inside |value_rect| | |
| 538 const int kXPBarPadding = 3; | |
| 539 | |
| 540 bool pre_vista = base::win::GetVersion() < base::win::VERSION_VISTA; | |
| 541 HANDLE handle = GetThemeHandle(PROGRESS); | |
| 542 if (handle && draw_theme_ && draw_theme_ex_) { | |
| 543 draw_theme_(handle, hdc, PP_BAR, 0, bar_rect, NULL); | |
| 544 | |
| 545 int bar_width = bar_rect->right - bar_rect->left; | |
| 546 if (determinate) { | |
| 547 // TODO(morrita): this RTL guess can be wrong. | |
| 548 // We should pass the direction from WebKit side. | |
| 549 bool is_rtl = (bar_rect->right == value_rect->right && | |
| 550 bar_rect->left != value_rect->left); | |
| 551 // We should care the direction here because PP_CNUNK painting | |
| 552 // is asymmetric. | |
| 553 DTBGOPTS value_draw_options; | |
| 554 value_draw_options.dwSize = sizeof(DTBGOPTS); | |
| 555 value_draw_options.dwFlags = is_rtl ? DTBG_MIRRORDC : 0; | |
| 556 value_draw_options.rcClip = *bar_rect; | |
| 557 | |
| 558 if (pre_vista) { | |
| 559 // On XP, progress bar is chunk-style and has no glossy effect. | |
| 560 // We need to shrink destination rect to fit the part inside the bar | |
| 561 // with an appropriate margin. | |
| 562 RECT shrunk_value_rect = InsetRect(value_rect, kXPBarPadding); | |
| 563 draw_theme_ex_(handle, hdc, PP_CHUNK, 0, | |
| 564 &shrunk_value_rect, &value_draw_options); | |
| 565 } else { | |
| 566 // On Vista or later, the progress bar part has a | |
| 567 // single-block value part. It also has glossy effect. | |
| 568 // And the value part has exactly same height as the bar part | |
| 569 // so we don't need to shrink the rect. | |
| 570 draw_theme_ex_(handle, hdc, PP_FILL, 0, | |
| 571 value_rect, &value_draw_options); | |
| 572 | |
| 573 int dx = ComputeAnimationProgress(bar_width, | |
| 574 kDeteminateOverlayWidth, | |
| 575 kDeteminateOverlayPixelsPerSecond, | |
| 576 animated_seconds); | |
| 577 RECT overlay_rect = *value_rect; | |
| 578 overlay_rect.left += dx; | |
| 579 overlay_rect.right = overlay_rect.left + kDeteminateOverlayWidth; | |
| 580 draw_theme_(handle, hdc, PP_MOVEOVERLAY, 0, &overlay_rect, value_rect); | |
| 581 } | |
| 582 } else { | |
| 583 // A glossy overlay for indeterminate progress bar has small pause | |
| 584 // after each animation. We emulate this by adding an invisible margin | |
| 585 // the animation has to traverse. | |
| 586 int width_with_margin = bar_width + kIndeterminateOverlayPixelsPerSecond; | |
| 587 int overlay_width = pre_vista ? | |
| 588 kXPIndeterminateOverlayWidth : kVistaIndeterminateOverlayWidth; | |
| 589 int dx = ComputeAnimationProgress(width_with_margin, | |
| 590 overlay_width, | |
| 591 kIndeterminateOverlayPixelsPerSecond, | |
| 592 animated_seconds); | |
| 593 RECT overlay_rect = *bar_rect; | |
| 594 overlay_rect.left += dx; | |
| 595 overlay_rect.right = overlay_rect.left + overlay_width; | |
| 596 if (pre_vista) { | |
| 597 RECT shrunk_rect = InsetRect(&overlay_rect, kXPBarPadding); | |
| 598 RECT shrunk_bar_rect = InsetRect(bar_rect, kXPBarPadding); | |
| 599 draw_theme_(handle, hdc, PP_CHUNK, 0, &shrunk_rect, &shrunk_bar_rect); | |
| 600 } else { | |
| 601 draw_theme_(handle, hdc, PP_MOVEOVERLAY, 0, &overlay_rect, bar_rect); | |
| 602 } | |
| 603 } | |
| 604 | |
| 605 return S_OK; | |
| 606 } | |
| 607 | |
| 608 HBRUSH bg_brush = GetSysColorBrush(COLOR_BTNFACE); | |
| 609 HBRUSH fg_brush = GetSysColorBrush(COLOR_BTNSHADOW); | |
| 610 FillRect(hdc, bar_rect, bg_brush); | |
| 611 FillRect(hdc, value_rect, fg_brush); | |
| 612 DrawEdge(hdc, bar_rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); | |
| 613 return S_OK; | |
| 614 } | |
| 615 | |
| 616 HRESULT NativeTheme::PaintTextField(HDC hdc, | |
| 617 int part_id, | |
| 618 int state_id, | |
| 619 int classic_state, | |
| 620 RECT* rect, | |
| 621 COLORREF color, | |
| 622 bool fill_content_area, | |
| 623 bool draw_edges) const { | |
| 624 // TODO(ojan): http://b/1210017 Figure out how to give the ability to | |
| 625 // exclude individual edges from being drawn. | |
| 626 | |
| 627 HANDLE handle = GetThemeHandle(TEXTFIELD); | |
| 628 // TODO(mpcomplete): can we detect if the color is specified by the user, | |
| 629 // and if not, just use the system color? | |
| 630 // CreateSolidBrush() accepts a RGB value but alpha must be 0. | |
| 631 HBRUSH bg_brush = CreateSolidBrush(color); | |
| 632 HRESULT hr; | |
| 633 // DrawThemeBackgroundEx was introduced in XP SP2, so that it's possible | |
| 634 // draw_theme_ex_ is NULL and draw_theme_ is non-null. | |
| 635 if (handle && (draw_theme_ex_ || (draw_theme_ && draw_edges))) { | |
| 636 if (draw_theme_ex_) { | |
| 637 static DTBGOPTS omit_border_options = { | |
| 638 sizeof(DTBGOPTS), | |
| 639 DTBG_OMITBORDER, | |
| 640 {0,0,0,0} | |
| 641 }; | |
| 642 DTBGOPTS* draw_opts = draw_edges ? NULL : &omit_border_options; | |
| 643 hr = draw_theme_ex_(handle, hdc, part_id, state_id, rect, draw_opts); | |
| 644 } else { | |
| 645 hr = draw_theme_(handle, hdc, part_id, state_id, rect, NULL); | |
| 646 } | |
| 647 | |
| 648 // TODO(maruel): Need to be fixed if get_theme_content_rect_ is NULL. | |
| 649 if (fill_content_area && get_theme_content_rect_) { | |
| 650 RECT content_rect; | |
| 651 hr = get_theme_content_rect_(handle, hdc, part_id, state_id, rect, | |
| 652 &content_rect); | |
| 653 FillRect(hdc, &content_rect, bg_brush); | |
| 654 } | |
| 655 } else { | |
| 656 // Draw it manually. | |
| 657 if (draw_edges) | |
| 658 DrawEdge(hdc, rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST); | |
| 659 | |
| 660 if (fill_content_area) { | |
| 661 FillRect(hdc, rect, (classic_state & DFCS_INACTIVE) ? | |
| 662 reinterpret_cast<HBRUSH>(COLOR_BTNFACE + 1) : bg_brush); | |
| 663 } | |
| 664 hr = S_OK; | |
| 665 } | |
| 666 DeleteObject(bg_brush); | |
| 667 return hr; | |
| 668 } | |
| 669 | |
| 670 bool NativeTheme::IsThemingActive() const { | |
| 671 if (is_theme_active_) | |
| 672 return !!is_theme_active_(); | |
| 673 return false; | |
| 674 } | |
| 675 | |
| 676 HRESULT NativeTheme::GetThemePartSize(ThemeName theme_name, | |
| 677 HDC hdc, | |
| 678 int part_id, | |
| 679 int state_id, | |
| 680 RECT* rect, | |
| 681 int ts, | |
| 682 SIZE* size) const { | |
| 683 HANDLE handle = GetThemeHandle(theme_name); | |
| 684 if (handle && get_theme_part_size_) | |
| 685 return get_theme_part_size_(handle, hdc, part_id, state_id, rect, ts, size); | |
| 686 | |
| 687 return E_NOTIMPL; | |
| 688 } | |
| 689 | |
| 690 HRESULT NativeTheme::GetThemeColor(ThemeName theme, | |
| 691 int part_id, | |
| 692 int state_id, | |
| 693 int prop_id, | |
| 694 SkColor* color) const { | |
| 695 HANDLE handle = GetThemeHandle(theme); | |
| 696 if (handle && get_theme_color_) { | |
| 697 COLORREF color_ref; | |
| 698 if (get_theme_color_(handle, part_id, state_id, prop_id, &color_ref) == | |
| 699 S_OK) { | |
| 700 *color = skia::COLORREFToSkColor(color_ref); | |
| 701 return S_OK; | |
| 702 } | |
| 703 } | |
| 704 return E_NOTIMPL; | |
| 705 } | |
| 706 | |
| 707 SkColor NativeTheme::GetThemeColorWithDefault(ThemeName theme, | |
| 708 int part_id, | |
| 709 int state_id, | |
| 710 int prop_id, | |
| 711 int default_sys_color) const { | |
| 712 SkColor color; | |
| 713 if (GetThemeColor(theme, part_id, state_id, prop_id, &color) != S_OK) | |
| 714 color = skia::COLORREFToSkColor(GetSysColor(default_sys_color)); | |
| 715 return color; | |
| 716 } | |
| 717 | |
| 718 HRESULT NativeTheme::GetThemeInt(ThemeName theme, | |
| 719 int part_id, | |
| 720 int state_id, | |
| 721 int prop_id, | |
| 722 int *value) const { | |
| 723 HANDLE handle = GetThemeHandle(theme); | |
| 724 if (handle && get_theme_int_) | |
| 725 return get_theme_int_(handle, part_id, state_id, prop_id, value); | |
| 726 return E_NOTIMPL; | |
| 727 } | |
| 728 | |
| 729 Size NativeTheme::GetThemeBorderSize(ThemeName theme) const { | |
| 730 // For simplicity use the wildcard state==0, part==0, since it works | |
| 731 // for the cases we currently depend on. | |
| 732 int border; | |
| 733 if (GetThemeInt(theme, 0, 0, TMT_BORDERSIZE, &border) == S_OK) | |
| 734 return Size(border, border); | |
| 735 else | |
| 736 return Size(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)); | |
| 737 } | |
| 738 | |
| 739 | |
| 740 void NativeTheme::DisableTheming() const { | |
| 741 if (!set_theme_properties_) | |
| 742 return; | |
| 743 set_theme_properties_(0); | |
| 744 } | |
| 745 | |
| 746 HRESULT NativeTheme::PaintFrameControl(HDC hdc, | |
| 747 RECT* rect, | |
| 748 UINT type, | |
| 749 UINT state, | |
| 750 ControlState control_state) const { | |
| 751 const int width = rect->right - rect->left; | |
| 752 const int height = rect->bottom - rect->top; | |
| 753 | |
| 754 // DrawFrameControl for menu arrow/check wants a monochrome bitmap. | |
| 755 base::win::ScopedBitmap mask_bitmap(CreateBitmap(width, height, 1, 1, NULL)); | |
| 756 | |
| 757 if (mask_bitmap == NULL) | |
| 758 return E_OUTOFMEMORY; | |
| 759 | |
| 760 base::win::ScopedHDC bitmap_dc(CreateCompatibleDC(NULL)); | |
| 761 HGDIOBJ org_bitmap = SelectObject(bitmap_dc, mask_bitmap); | |
| 762 RECT local_rect = { 0, 0, width, height }; | |
| 763 DrawFrameControl(bitmap_dc, &local_rect, type, state); | |
| 764 | |
| 765 // We're going to use BitBlt with a b&w mask. This results in using the dest | |
| 766 // dc's text color for the black bits in the mask, and the dest dc's | |
| 767 // background color for the white bits in the mask. DrawFrameControl draws the | |
| 768 // check in black, and the background in white. | |
| 769 int bg_color_key; | |
| 770 int text_color_key; | |
| 771 switch (control_state) { | |
| 772 case CONTROL_HIGHLIGHTED: | |
| 773 bg_color_key = COLOR_HIGHLIGHT; | |
| 774 text_color_key = COLOR_HIGHLIGHTTEXT; | |
| 775 break; | |
| 776 case CONTROL_NORMAL: | |
| 777 bg_color_key = COLOR_MENU; | |
| 778 text_color_key = COLOR_MENUTEXT; | |
| 779 break; | |
| 780 case CONTROL_DISABLED: | |
| 781 bg_color_key = COLOR_MENU; | |
| 782 text_color_key = COLOR_GRAYTEXT; | |
| 783 break; | |
| 784 default: | |
| 785 NOTREACHED(); | |
| 786 bg_color_key = COLOR_MENU; | |
| 787 text_color_key = COLOR_MENUTEXT; | |
| 788 break; | |
| 789 } | |
| 790 COLORREF old_bg_color = SetBkColor(hdc, GetSysColor(bg_color_key)); | |
| 791 COLORREF old_text_color = SetTextColor(hdc, GetSysColor(text_color_key)); | |
| 792 BitBlt(hdc, rect->left, rect->top, width, height, bitmap_dc, 0, 0, SRCCOPY); | |
| 793 SetBkColor(hdc, old_bg_color); | |
| 794 SetTextColor(hdc, old_text_color); | |
| 795 | |
| 796 SelectObject(bitmap_dc, org_bitmap); | |
| 797 | |
| 798 return S_OK; | |
| 799 } | |
| 800 | |
| 801 void NativeTheme::CloseHandles() const | |
| 802 { | |
| 803 if (!close_theme_) | |
| 804 return; | |
| 805 | |
| 806 for (int i = 0; i < LAST; ++i) { | |
| 807 if (theme_handles_[i]) | |
| 808 close_theme_(theme_handles_[i]); | |
| 809 theme_handles_[i] = NULL; | |
| 810 } | |
| 811 } | |
| 812 | |
| 813 bool NativeTheme::IsClassicTheme(ThemeName name) const { | |
| 814 if (!theme_dll_) | |
| 815 return true; | |
| 816 | |
| 817 return !GetThemeHandle(name); | |
| 818 } | |
| 819 | |
| 820 HANDLE NativeTheme::GetThemeHandle(ThemeName theme_name) const | |
| 821 { | |
| 822 if (!open_theme_ || theme_name < 0 || theme_name >= LAST) | |
| 823 return 0; | |
| 824 | |
| 825 if (theme_handles_[theme_name]) | |
| 826 return theme_handles_[theme_name]; | |
| 827 | |
| 828 // Not found, try to load it. | |
| 829 HANDLE handle = 0; | |
| 830 switch (theme_name) { | |
| 831 case BUTTON: | |
| 832 handle = open_theme_(NULL, L"Button"); | |
| 833 break; | |
| 834 case LIST: | |
| 835 handle = open_theme_(NULL, L"Listview"); | |
| 836 break; | |
| 837 case MENU: | |
| 838 handle = open_theme_(NULL, L"Menu"); | |
| 839 break; | |
| 840 case MENULIST: | |
| 841 handle = open_theme_(NULL, L"Combobox"); | |
| 842 break; | |
| 843 case SCROLLBAR: | |
| 844 handle = open_theme_(NULL, L"Scrollbar"); | |
| 845 break; | |
| 846 case STATUS: | |
| 847 handle = open_theme_(NULL, L"Status"); | |
| 848 break; | |
| 849 case TAB: | |
| 850 handle = open_theme_(NULL, L"Tab"); | |
| 851 break; | |
| 852 case TEXTFIELD: | |
| 853 handle = open_theme_(NULL, L"Edit"); | |
| 854 break; | |
| 855 case TRACKBAR: | |
| 856 handle = open_theme_(NULL, L"Trackbar"); | |
| 857 break; | |
| 858 case WINDOW: | |
| 859 handle = open_theme_(NULL, L"Window"); | |
| 860 break; | |
| 861 case PROGRESS: | |
| 862 handle = open_theme_(NULL, L"Progress"); | |
| 863 break; | |
| 864 case SPIN: | |
| 865 handle = open_theme_(NULL, L"Spin"); | |
| 866 break; | |
| 867 default: | |
| 868 NOTREACHED(); | |
| 869 } | |
| 870 theme_handles_[theme_name] = handle; | |
| 871 return handle; | |
| 872 } | |
| 873 | |
| 874 } // namespace gfx | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6246027:
Move src/gfx/ to src/ui/gfx... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/