The Tor Browser / annotate

widget/windows/nsLookAndFeel.cpp@b8a032363ba2 (annotated)

widget/windows/nsLookAndFeel.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsLookAndFeel.h"
michael@0 7 #include <windows.h>
michael@0 8 #include <shellapi.h>
michael@0 9 #include "nsStyleConsts.h"
michael@0 10 #include "nsUXThemeData.h"
michael@0 11 #include "nsUXThemeConstants.h"
michael@0 12 #include "gfxFont.h"
michael@0 13 #include "gfxWindowsPlatform.h"
michael@0 14 #include "mozilla/Telemetry.h"
michael@0 15 #include "mozilla/WindowsVersion.h"
michael@0 16 #include "gfxFontConstants.h"
michael@0 17
michael@0 18 using namespace mozilla;
michael@0 19 using namespace mozilla::widget;
michael@0 20
michael@0 21 //static
michael@0 22 LookAndFeel::OperatingSystemVersion
michael@0 23 nsLookAndFeel::GetOperatingSystemVersion()
michael@0 24 {
michael@0 25 static OperatingSystemVersion version = eOperatingSystemVersion_Unknown;
michael@0 26
michael@0 27 if (version != eOperatingSystemVersion_Unknown) {
michael@0 28 return version;
michael@0 29 }
michael@0 30
michael@0 31 if (IsWin8OrLater()) {
michael@0 32 version = eOperatingSystemVersion_Windows8;
michael@0 33 } else if (IsWin7OrLater()) {
michael@0 34 version = eOperatingSystemVersion_Windows7;
michael@0 35 } else if (IsVistaOrLater()) {
michael@0 36 version = eOperatingSystemVersion_WindowsVista;
michael@0 37 } else {
michael@0 38 version = eOperatingSystemVersion_WindowsXP;
michael@0 39 }
michael@0 40
michael@0 41 return version;
michael@0 42 }
michael@0 43
michael@0 44 static nsresult GetColorFromTheme(nsUXThemeClass cls,
michael@0 45 int32_t aPart,
michael@0 46 int32_t aState,
michael@0 47 int32_t aPropId,
michael@0 48 nscolor &aColor)
michael@0 49 {
michael@0 50 COLORREF color;
michael@0 51 HRESULT hr = GetThemeColor(nsUXThemeData::GetTheme(cls), aPart, aState, aPropId, &color);
michael@0 52 if (hr == S_OK)
michael@0 53 {
michael@0 54 aColor = COLOREF_2_NSRGB(color);
michael@0 55 return NS_OK;
michael@0 56 }
michael@0 57 return NS_ERROR_FAILURE;
michael@0 58 }
michael@0 59
michael@0 60 static int32_t GetSystemParam(long flag, int32_t def)
michael@0 61 {
michael@0 62 DWORD value;
michael@0 63 return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
michael@0 64 }
michael@0 65
michael@0 66 namespace mozilla {
michael@0 67 namespace widget {
michael@0 68 // This is in use here and in dom/events/TouchEvent.cpp
michael@0 69 int32_t IsTouchDeviceSupportPresent()
michael@0 70 {
michael@0 71 int32_t touchCapabilities;
michael@0 72 touchCapabilities = ::GetSystemMetrics(SM_DIGITIZER);
michael@0 73 return ((touchCapabilities & NID_READY) &&
michael@0 74 (touchCapabilities & (NID_EXTERNAL_TOUCH | NID_INTEGRATED_TOUCH)));
michael@0 75 }
michael@0 76 } }
michael@0 77
michael@0 78 nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
michael@0 79 {
michael@0 80 mozilla::Telemetry::Accumulate(mozilla::Telemetry::TOUCH_ENABLED_DEVICE,
michael@0 81 IsTouchDeviceSupportPresent());
michael@0 82 }
michael@0 83
michael@0 84 nsLookAndFeel::~nsLookAndFeel()
michael@0 85 {
michael@0 86 }
michael@0 87
michael@0 88 nsresult
michael@0 89 nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
michael@0 90 {
michael@0 91 nsresult res = NS_OK;
michael@0 92
michael@0 93 int idx;
michael@0 94 switch (aID) {
michael@0 95 case eColorID_WindowBackground:
michael@0 96 idx = COLOR_WINDOW;
michael@0 97 break;
michael@0 98 case eColorID_WindowForeground:
michael@0 99 idx = COLOR_WINDOWTEXT;
michael@0 100 break;
michael@0 101 case eColorID_WidgetBackground:
michael@0 102 idx = COLOR_BTNFACE;
michael@0 103 break;
michael@0 104 case eColorID_WidgetForeground:
michael@0 105 idx = COLOR_BTNTEXT;
michael@0 106 break;
michael@0 107 case eColorID_WidgetSelectBackground:
michael@0 108 idx = COLOR_HIGHLIGHT;
michael@0 109 break;
michael@0 110 case eColorID_WidgetSelectForeground:
michael@0 111 idx = COLOR_HIGHLIGHTTEXT;
michael@0 112 break;
michael@0 113 case eColorID_Widget3DHighlight:
michael@0 114 idx = COLOR_BTNHIGHLIGHT;
michael@0 115 break;
michael@0 116 case eColorID_Widget3DShadow:
michael@0 117 idx = COLOR_BTNSHADOW;
michael@0 118 break;
michael@0 119 case eColorID_TextBackground:
michael@0 120 idx = COLOR_WINDOW;
michael@0 121 break;
michael@0 122 case eColorID_TextForeground:
michael@0 123 idx = COLOR_WINDOWTEXT;
michael@0 124 break;
michael@0 125 case eColorID_TextSelectBackground:
michael@0 126 case eColorID_IMESelectedRawTextBackground:
michael@0 127 case eColorID_IMESelectedConvertedTextBackground:
michael@0 128 idx = COLOR_HIGHLIGHT;
michael@0 129 break;
michael@0 130 case eColorID_TextSelectForeground:
michael@0 131 case eColorID_IMESelectedRawTextForeground:
michael@0 132 case eColorID_IMESelectedConvertedTextForeground:
michael@0 133 idx = COLOR_HIGHLIGHTTEXT;
michael@0 134 break;
michael@0 135 case eColorID_IMERawInputBackground:
michael@0 136 case eColorID_IMEConvertedTextBackground:
michael@0 137 aColor = NS_TRANSPARENT;
michael@0 138 return NS_OK;
michael@0 139 case eColorID_IMERawInputForeground:
michael@0 140 case eColorID_IMEConvertedTextForeground:
michael@0 141 aColor = NS_SAME_AS_FOREGROUND_COLOR;
michael@0 142 return NS_OK;
michael@0 143 case eColorID_IMERawInputUnderline:
michael@0 144 case eColorID_IMEConvertedTextUnderline:
michael@0 145 aColor = NS_SAME_AS_FOREGROUND_COLOR;
michael@0 146 return NS_OK;
michael@0 147 case eColorID_IMESelectedRawTextUnderline:
michael@0 148 case eColorID_IMESelectedConvertedTextUnderline:
michael@0 149 aColor = NS_TRANSPARENT;
michael@0 150 return NS_OK;
michael@0 151 case eColorID_SpellCheckerUnderline:
michael@0 152 aColor = NS_RGB(0xff, 0, 0);
michael@0 153 return NS_OK;
michael@0 154
michael@0 155 // New CSS 2 Color definitions
michael@0 156 case eColorID_activeborder:
michael@0 157 idx = COLOR_ACTIVEBORDER;
michael@0 158 break;
michael@0 159 case eColorID_activecaption:
michael@0 160 idx = COLOR_ACTIVECAPTION;
michael@0 161 break;
michael@0 162 case eColorID_appworkspace:
michael@0 163 idx = COLOR_APPWORKSPACE;
michael@0 164 break;
michael@0 165 case eColorID_background:
michael@0 166 idx = COLOR_BACKGROUND;
michael@0 167 break;
michael@0 168 case eColorID_buttonface:
michael@0 169 case eColorID__moz_buttonhoverface:
michael@0 170 idx = COLOR_BTNFACE;
michael@0 171 break;
michael@0 172 case eColorID_buttonhighlight:
michael@0 173 idx = COLOR_BTNHIGHLIGHT;
michael@0 174 break;
michael@0 175 case eColorID_buttonshadow:
michael@0 176 idx = COLOR_BTNSHADOW;
michael@0 177 break;
michael@0 178 case eColorID_buttontext:
michael@0 179 case eColorID__moz_buttonhovertext:
michael@0 180 idx = COLOR_BTNTEXT;
michael@0 181 break;
michael@0 182 case eColorID_captiontext:
michael@0 183 idx = COLOR_CAPTIONTEXT;
michael@0 184 break;
michael@0 185 case eColorID_graytext:
michael@0 186 idx = COLOR_GRAYTEXT;
michael@0 187 break;
michael@0 188 case eColorID_highlight:
michael@0 189 case eColorID__moz_html_cellhighlight:
michael@0 190 case eColorID__moz_menuhover:
michael@0 191 idx = COLOR_HIGHLIGHT;
michael@0 192 break;
michael@0 193 case eColorID__moz_menubarhovertext:
michael@0 194 if (!IsVistaOrLater() || !IsAppThemed())
michael@0 195 {
michael@0 196 idx = nsUXThemeData::sFlatMenus ?
michael@0 197 COLOR_HIGHLIGHTTEXT :
michael@0 198 COLOR_MENUTEXT;
michael@0 199 break;
michael@0 200 }
michael@0 201 // Fall through
michael@0 202 case eColorID__moz_menuhovertext:
michael@0 203 if (IsVistaOrLater() && IsAppThemed())
michael@0 204 {
michael@0 205 res = ::GetColorFromTheme(eUXMenu,
michael@0 206 MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR, aColor);
michael@0 207 if (NS_SUCCEEDED(res))
michael@0 208 return res;
michael@0 209 // fall through to highlight case
michael@0 210 }
michael@0 211 case eColorID_highlighttext:
michael@0 212 case eColorID__moz_html_cellhighlighttext:
michael@0 213 idx = COLOR_HIGHLIGHTTEXT;
michael@0 214 break;
michael@0 215 case eColorID_inactiveborder:
michael@0 216 idx = COLOR_INACTIVEBORDER;
michael@0 217 break;
michael@0 218 case eColorID_inactivecaption:
michael@0 219 idx = COLOR_INACTIVECAPTION;
michael@0 220 break;
michael@0 221 case eColorID_inactivecaptiontext:
michael@0 222 idx = COLOR_INACTIVECAPTIONTEXT;
michael@0 223 break;
michael@0 224 case eColorID_infobackground:
michael@0 225 idx = COLOR_INFOBK;
michael@0 226 break;
michael@0 227 case eColorID_infotext:
michael@0 228 idx = COLOR_INFOTEXT;
michael@0 229 break;
michael@0 230 case eColorID_menu:
michael@0 231 idx = COLOR_MENU;
michael@0 232 break;
michael@0 233 case eColorID_menutext:
michael@0 234 case eColorID__moz_menubartext:
michael@0 235 idx = COLOR_MENUTEXT;
michael@0 236 break;
michael@0 237 case eColorID_scrollbar:
michael@0 238 idx = COLOR_SCROLLBAR;
michael@0 239 break;
michael@0 240 case eColorID_threeddarkshadow:
michael@0 241 idx = COLOR_3DDKSHADOW;
michael@0 242 break;
michael@0 243 case eColorID_threedface:
michael@0 244 idx = COLOR_3DFACE;
michael@0 245 break;
michael@0 246 case eColorID_threedhighlight:
michael@0 247 idx = COLOR_3DHIGHLIGHT;
michael@0 248 break;
michael@0 249 case eColorID_threedlightshadow:
michael@0 250 idx = COLOR_3DLIGHT;
michael@0 251 break;
michael@0 252 case eColorID_threedshadow:
michael@0 253 idx = COLOR_3DSHADOW;
michael@0 254 break;
michael@0 255 case eColorID_window:
michael@0 256 idx = COLOR_WINDOW;
michael@0 257 break;
michael@0 258 case eColorID_windowframe:
michael@0 259 idx = COLOR_WINDOWFRAME;
michael@0 260 break;
michael@0 261 case eColorID_windowtext:
michael@0 262 idx = COLOR_WINDOWTEXT;
michael@0 263 break;
michael@0 264 case eColorID__moz_eventreerow:
michael@0 265 case eColorID__moz_oddtreerow:
michael@0 266 case eColorID__moz_field:
michael@0 267 case eColorID__moz_combobox:
michael@0 268 idx = COLOR_WINDOW;
michael@0 269 break;
michael@0 270 case eColorID__moz_fieldtext:
michael@0 271 case eColorID__moz_comboboxtext:
michael@0 272 idx = COLOR_WINDOWTEXT;
michael@0 273 break;
michael@0 274 case eColorID__moz_dialog:
michael@0 275 case eColorID__moz_cellhighlight:
michael@0 276 idx = COLOR_3DFACE;
michael@0 277 break;
michael@0 278 case eColorID__moz_win_mediatext:
michael@0 279 if (IsVistaOrLater() && IsAppThemed()) {
michael@0 280 res = ::GetColorFromTheme(eUXMediaToolbar,
michael@0 281 TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
michael@0 282 if (NS_SUCCEEDED(res))
michael@0 283 return res;
michael@0 284 }
michael@0 285 // if we've gotten here just return -moz-dialogtext instead
michael@0 286 idx = COLOR_WINDOWTEXT;
michael@0 287 break;
michael@0 288 case eColorID__moz_win_communicationstext:
michael@0 289 if (IsVistaOrLater() && IsAppThemed())
michael@0 290 {
michael@0 291 res = ::GetColorFromTheme(eUXCommunicationsToolbar,
michael@0 292 TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
michael@0 293 if (NS_SUCCEEDED(res))
michael@0 294 return res;
michael@0 295 }
michael@0 296 // if we've gotten here just return -moz-dialogtext instead
michael@0 297 idx = COLOR_WINDOWTEXT;
michael@0 298 break;
michael@0 299 case eColorID__moz_dialogtext:
michael@0 300 case eColorID__moz_cellhighlighttext:
michael@0 301 idx = COLOR_WINDOWTEXT;
michael@0 302 break;
michael@0 303 case eColorID__moz_dragtargetzone:
michael@0 304 idx = COLOR_HIGHLIGHTTEXT;
michael@0 305 break;
michael@0 306 case eColorID__moz_buttondefault:
michael@0 307 idx = COLOR_3DDKSHADOW;
michael@0 308 break;
michael@0 309 case eColorID__moz_nativehyperlinktext:
michael@0 310 idx = COLOR_HOTLIGHT;
michael@0 311 break;
michael@0 312 default:
michael@0 313 idx = COLOR_WINDOW;
michael@0 314 break;
michael@0 315 }
michael@0 316
michael@0 317 DWORD color = ::GetSysColor(idx);
michael@0 318 aColor = COLOREF_2_NSRGB(color);
michael@0 319
michael@0 320 return res;
michael@0 321 }
michael@0 322
michael@0 323 nsresult
michael@0 324 nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
michael@0 325 {
michael@0 326 nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
michael@0 327 if (NS_SUCCEEDED(res))
michael@0 328 return res;
michael@0 329 res = NS_OK;
michael@0 330
michael@0 331 switch (aID) {
michael@0 332 case eIntID_CaretBlinkTime:
michael@0 333 aResult = (int32_t)::GetCaretBlinkTime();
michael@0 334 break;
michael@0 335 case eIntID_CaretWidth:
michael@0 336 aResult = 1;
michael@0 337 break;
michael@0 338 case eIntID_ShowCaretDuringSelection:
michael@0 339 aResult = 0;
michael@0 340 break;
michael@0 341 case eIntID_SelectTextfieldsOnKeyFocus:
michael@0 342 // Select textfield content when focused by kbd
michael@0 343 // used by EventStateManager::sTextfieldSelectModel
michael@0 344 aResult = 1;
michael@0 345 break;
michael@0 346 case eIntID_SubmenuDelay:
michael@0 347 // This will default to the Windows' default
michael@0 348 // (400ms) on error.
michael@0 349 aResult = GetSystemParam(SPI_GETMENUSHOWDELAY, 400);
michael@0 350 break;
michael@0 351 case eIntID_TooltipDelay:
michael@0 352 aResult = 500;
michael@0 353 break;
michael@0 354 case eIntID_MenusCanOverlapOSBar:
michael@0 355 // we want XUL popups to be able to overlap the task bar.
michael@0 356 aResult = 1;
michael@0 357 break;
michael@0 358 case eIntID_DragThresholdX:
michael@0 359 // The system metric is the number of pixels at which a drag should
michael@0 360 // start. Our look and feel metric is the number of pixels you can
michael@0 361 // move before starting a drag, so subtract 1.
michael@0 362
michael@0 363 aResult = ::GetSystemMetrics(SM_CXDRAG) - 1;
michael@0 364 break;
michael@0 365 case eIntID_DragThresholdY:
michael@0 366 aResult = ::GetSystemMetrics(SM_CYDRAG) - 1;
michael@0 367 break;
michael@0 368 case eIntID_UseAccessibilityTheme:
michael@0 369 // High contrast is a misnomer under Win32 -- any theme can be used with it,
michael@0 370 // e.g. normal contrast with large fonts, low contrast, etc.
michael@0 371 // The high contrast flag really means -- use this theme and don't override it.
michael@0 372 aResult = nsUXThemeData::IsHighContrastOn();
michael@0 373 break;
michael@0 374 case eIntID_ScrollArrowStyle:
michael@0 375 aResult = eScrollArrowStyle_Single;
michael@0 376 break;
michael@0 377 case eIntID_ScrollSliderStyle:
michael@0 378 aResult = eScrollThumbStyle_Proportional;
michael@0 379 break;
michael@0 380 case eIntID_TreeOpenDelay:
michael@0 381 aResult = 1000;
michael@0 382 break;
michael@0 383 case eIntID_TreeCloseDelay:
michael@0 384 aResult = 0;
michael@0 385 break;
michael@0 386 case eIntID_TreeLazyScrollDelay:
michael@0 387 aResult = 150;
michael@0 388 break;
michael@0 389 case eIntID_TreeScrollDelay:
michael@0 390 aResult = 100;
michael@0 391 break;
michael@0 392 case eIntID_TreeScrollLinesMax:
michael@0 393 aResult = 3;
michael@0 394 break;
michael@0 395 case eIntID_WindowsClassic:
michael@0 396 aResult = !IsAppThemed();
michael@0 397 break;
michael@0 398 case eIntID_TouchEnabled:
michael@0 399 aResult = IsTouchDeviceSupportPresent();
michael@0 400 break;
michael@0 401 case eIntID_WindowsDefaultTheme:
michael@0 402 aResult = nsUXThemeData::IsDefaultWindowTheme();
michael@0 403 break;
michael@0 404 case eIntID_WindowsThemeIdentifier:
michael@0 405 aResult = nsUXThemeData::GetNativeThemeId();
michael@0 406 break;
michael@0 407
michael@0 408 case eIntID_OperatingSystemVersionIdentifier:
michael@0 409 {
michael@0 410 aResult = GetOperatingSystemVersion();
michael@0 411 break;
michael@0 412 }
michael@0 413
michael@0 414 case eIntID_MacGraphiteTheme:
michael@0 415 case eIntID_MacLionTheme:
michael@0 416 aResult = 0;
michael@0 417 res = NS_ERROR_NOT_IMPLEMENTED;
michael@0 418 break;
michael@0 419 case eIntID_DWMCompositor:
michael@0 420 aResult = nsUXThemeData::CheckForCompositor();
michael@0 421 break;
michael@0 422 case eIntID_WindowsGlass:
michael@0 423 // Aero Glass is only available prior to Windows 8 when DWM is used.
michael@0 424 aResult = (nsUXThemeData::CheckForCompositor() && !IsWin8OrLater());
michael@0 425 break;
michael@0 426 case eIntID_AlertNotificationOrigin:
michael@0 427 aResult = 0;
michael@0 428 {
michael@0 429 // Get task bar window handle
michael@0 430 HWND shellWindow = FindWindowW(L"Shell_TrayWnd", nullptr);
michael@0 431
michael@0 432 if (shellWindow != nullptr)
michael@0 433 {
michael@0 434 // Determine position
michael@0 435 APPBARDATA appBarData;
michael@0 436 appBarData.hWnd = shellWindow;
michael@0 437 appBarData.cbSize = sizeof(appBarData);
michael@0 438 if (SHAppBarMessage(ABM_GETTASKBARPOS, &appBarData))
michael@0 439 {
michael@0 440 // Set alert origin as a bit field - see LookAndFeel.h
michael@0 441 // 0 represents bottom right, sliding vertically.
michael@0 442 switch(appBarData.uEdge)
michael@0 443 {
michael@0 444 case ABE_LEFT:
michael@0 445 aResult = NS_ALERT_HORIZONTAL | NS_ALERT_LEFT;
michael@0 446 break;
michael@0 447 case ABE_RIGHT:
michael@0 448 aResult = NS_ALERT_HORIZONTAL;
michael@0 449 break;
michael@0 450 case ABE_TOP:
michael@0 451 aResult = NS_ALERT_TOP;
michael@0 452 // fall through for the right-to-left handling.
michael@0 453 case ABE_BOTTOM:
michael@0 454 // If the task bar is right-to-left,
michael@0 455 // move the origin to the left
michael@0 456 if (::GetWindowLong(shellWindow, GWL_EXSTYLE) &
michael@0 457 WS_EX_LAYOUTRTL)
michael@0 458 aResult |= NS_ALERT_LEFT;
michael@0 459 break;
michael@0 460 }
michael@0 461 }
michael@0 462 }
michael@0 463 }
michael@0 464 break;
michael@0 465 case eIntID_IMERawInputUnderlineStyle:
michael@0 466 case eIntID_IMEConvertedTextUnderlineStyle:
michael@0 467 aResult = NS_STYLE_TEXT_DECORATION_STYLE_DASHED;
michael@0 468 break;
michael@0 469 case eIntID_IMESelectedRawTextUnderlineStyle:
michael@0 470 case eIntID_IMESelectedConvertedTextUnderline:
michael@0 471 aResult = NS_STYLE_TEXT_DECORATION_STYLE_NONE;
michael@0 472 break;
michael@0 473 case eIntID_SpellCheckerUnderlineStyle:
michael@0 474 aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
michael@0 475 break;
michael@0 476 case eIntID_ScrollbarButtonAutoRepeatBehavior:
michael@0 477 aResult = 0;
michael@0 478 break;
michael@0 479 case eIntID_SwipeAnimationEnabled:
michael@0 480 aResult = 0;
michael@0 481 break;
michael@0 482 case eIntID_ColorPickerAvailable:
michael@0 483 // We don't have a color picker implemented on Metro yet (bug 895464)
michael@0 484 aResult = (XRE_GetWindowsEnvironment() != WindowsEnvironmentType_Metro);
michael@0 485 break;
michael@0 486 case eIntID_UseOverlayScrollbars:
michael@0 487 aResult = (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro);
michael@0 488 break;
michael@0 489 case eIntID_AllowOverlayScrollbarsOverlap:
michael@0 490 aResult = 0;
michael@0 491 break;
michael@0 492 case eIntID_ScrollbarDisplayOnMouseMove:
michael@0 493 aResult = 1;
michael@0 494 break;
michael@0 495 case eIntID_ScrollbarFadeBeginDelay:
michael@0 496 aResult = 2500;
michael@0 497 break;
michael@0 498 case eIntID_ScrollbarFadeDuration:
michael@0 499 aResult = 350;
michael@0 500 break;
michael@0 501 default:
michael@0 502 aResult = 0;
michael@0 503 res = NS_ERROR_FAILURE;
michael@0 504 }
michael@0 505 return res;
michael@0 506 }
michael@0 507
michael@0 508 nsresult
michael@0 509 nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
michael@0 510 {
michael@0 511 nsresult res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
michael@0 512 if (NS_SUCCEEDED(res))
michael@0 513 return res;
michael@0 514 res = NS_OK;
michael@0 515
michael@0 516 switch (aID) {
michael@0 517 case eFloatID_IMEUnderlineRelativeSize:
michael@0 518 aResult = 1.0f;
michael@0 519 break;
michael@0 520 case eFloatID_SpellCheckerUnderlineRelativeSize:
michael@0 521 aResult = 1.0f;
michael@0 522 break;
michael@0 523 default:
michael@0 524 aResult = -1.0;
michael@0 525 res = NS_ERROR_FAILURE;
michael@0 526 }
michael@0 527 return res;
michael@0 528 }
michael@0 529
michael@0 530 static bool
michael@0 531 GetSysFontInfo(HDC aHDC, LookAndFeel::FontID anID,
michael@0 532 nsString &aFontName,
michael@0 533 gfxFontStyle &aFontStyle)
michael@0 534 {
michael@0 535 LOGFONTW* ptrLogFont = nullptr;
michael@0 536 LOGFONTW logFont;
michael@0 537 NONCLIENTMETRICSW ncm;
michael@0 538 HGDIOBJ hGDI;
michael@0 539 char16_t name[LF_FACESIZE];
michael@0 540
michael@0 541 // Depending on which stock font we want, there are three different
michael@0 542 // places we might have to look it up.
michael@0 543 switch (anID) {
michael@0 544 case LookAndFeel::eFont_Icon:
michael@0 545 if (!::SystemParametersInfoW(SPI_GETICONTITLELOGFONT,
michael@0 546 sizeof(logFont), (PVOID)&logFont, 0))
michael@0 547 return false;
michael@0 548
michael@0 549 ptrLogFont = &logFont;
michael@0 550 break;
michael@0 551
michael@0 552 case LookAndFeel::eFont_Menu:
michael@0 553 case LookAndFeel::eFont_MessageBox:
michael@0 554 case LookAndFeel::eFont_SmallCaption:
michael@0 555 case LookAndFeel::eFont_StatusBar:
michael@0 556 case LookAndFeel::eFont_Tooltips:
michael@0 557 ncm.cbSize = sizeof(NONCLIENTMETRICSW);
michael@0 558 if (!::SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
michael@0 559 sizeof(ncm), (PVOID)&ncm, 0))
michael@0 560 return false;
michael@0 561
michael@0 562 switch (anID) {
michael@0 563 case LookAndFeel::eFont_Menu:
michael@0 564 ptrLogFont = &ncm.lfMenuFont;
michael@0 565 break;
michael@0 566 case LookAndFeel::eFont_MessageBox:
michael@0 567 ptrLogFont = &ncm.lfMessageFont;
michael@0 568 break;
michael@0 569 case LookAndFeel::eFont_SmallCaption:
michael@0 570 ptrLogFont = &ncm.lfSmCaptionFont;
michael@0 571 break;
michael@0 572 case LookAndFeel::eFont_StatusBar:
michael@0 573 case LookAndFeel::eFont_Tooltips:
michael@0 574 ptrLogFont = &ncm.lfStatusFont;
michael@0 575 break;
michael@0 576 }
michael@0 577 break;
michael@0 578
michael@0 579 case LookAndFeel::eFont_Widget:
michael@0 580 case LookAndFeel::eFont_Window: // css3
michael@0 581 case LookAndFeel::eFont_Document:
michael@0 582 case LookAndFeel::eFont_Workspace:
michael@0 583 case LookAndFeel::eFont_Desktop:
michael@0 584 case LookAndFeel::eFont_Info:
michael@0 585 case LookAndFeel::eFont_Dialog:
michael@0 586 case LookAndFeel::eFont_Button:
michael@0 587 case LookAndFeel::eFont_PullDownMenu:
michael@0 588 case LookAndFeel::eFont_List:
michael@0 589 case LookAndFeel::eFont_Field:
michael@0 590 case LookAndFeel::eFont_Caption:
michael@0 591 hGDI = ::GetStockObject(DEFAULT_GUI_FONT);
michael@0 592 if (!hGDI)
michael@0 593 return false;
michael@0 594
michael@0 595 if (::GetObjectW(hGDI, sizeof(logFont), &logFont) <= 0)
michael@0 596 return false;
michael@0 597
michael@0 598 ptrLogFont = &logFont;
michael@0 599 break;
michael@0 600 }
michael@0 601
michael@0 602 // Get scaling factor from physical to logical pixels
michael@0 603 float pixelScale = 1.0f / gfxWindowsPlatform::GetPlatform()->GetDPIScale();
michael@0 604
michael@0 605 // The lfHeight is in pixels, and it needs to be adjusted for the
michael@0 606 // device it will be displayed on.
michael@0 607 // Screens and Printers will differ in DPI
michael@0 608 //
michael@0 609 // So this accounts for the difference in the DeviceContexts
michael@0 610 // The pixelScale will typically be 1.0 for the screen
michael@0 611 // (though larger for hi-dpi screens where the Windows resolution
michael@0 612 // scale factor is 125% or 150% or even more), and could be
michael@0 613 // any value when going to a printer, for example pixelScale is
michael@0 614 // 6.25 when going to a 600dpi printer.
michael@0 615 float pixelHeight = -ptrLogFont->lfHeight;
michael@0 616 if (pixelHeight < 0) {
michael@0 617 HFONT hFont = ::CreateFontIndirectW(ptrLogFont);
michael@0 618 if (!hFont)
michael@0 619 return false;
michael@0 620 HGDIOBJ hObject = ::SelectObject(aHDC, hFont);
michael@0 621 TEXTMETRIC tm;
michael@0 622 ::GetTextMetrics(aHDC, &tm);
michael@0 623 ::SelectObject(aHDC, hObject);
michael@0 624 ::DeleteObject(hFont);
michael@0 625 pixelHeight = tm.tmAscent;
michael@0 626 }
michael@0 627 pixelHeight *= pixelScale;
michael@0 628
michael@0 629 // we have problem on Simplified Chinese system because the system
michael@0 630 // report the default font size is 8 points. but if we use 8, the text
michael@0 631 // display very ugly. force it to be at 9 points (12 pixels) on that
michael@0 632 // system (cp936), but leave other sizes alone.
michael@0 633 if (pixelHeight < 12 && ::GetACP() == 936)
michael@0 634 pixelHeight = 12;
michael@0 635
michael@0 636 aFontStyle.size = pixelHeight;
michael@0 637
michael@0 638 // FIXME: What about oblique?
michael@0 639 aFontStyle.style =
michael@0 640 (ptrLogFont->lfItalic) ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL;
michael@0 641
michael@0 642 // FIXME: Other weights?
michael@0 643 aFontStyle.weight =
michael@0 644 (ptrLogFont->lfWeight == FW_BOLD ?
michael@0 645 NS_FONT_WEIGHT_BOLD : NS_FONT_WEIGHT_NORMAL);
michael@0 646
michael@0 647 // FIXME: Set aFontStyle->stretch correctly!
michael@0 648 aFontStyle.stretch = NS_FONT_STRETCH_NORMAL;
michael@0 649
michael@0 650 aFontStyle.systemFont = true;
michael@0 651
michael@0 652 name[0] = 0;
michael@0 653 memcpy(name, ptrLogFont->lfFaceName, LF_FACESIZE*sizeof(char16_t));
michael@0 654 aFontName = name;
michael@0 655
michael@0 656 return true;
michael@0 657 }
michael@0 658
michael@0 659 bool
michael@0 660 nsLookAndFeel::GetFontImpl(FontID anID, nsString &aFontName,
michael@0 661 gfxFontStyle &aFontStyle,
michael@0 662 float aDevPixPerCSSPixel)
michael@0 663 {
michael@0 664 HDC tdc = GetDC(nullptr);
michael@0 665 bool status = GetSysFontInfo(tdc, anID, aFontName, aFontStyle);
michael@0 666 ReleaseDC(nullptr, tdc);
michael@0 667 // now convert the logical font size from GetSysFontInfo into device pixels for layout
michael@0 668 aFontStyle.size *= aDevPixPerCSSPixel;
michael@0 669 return status;
michael@0 670 }
michael@0 671
michael@0 672 /* virtual */
michael@0 673 char16_t
michael@0 674 nsLookAndFeel::GetPasswordCharacterImpl()
michael@0 675 {
michael@0 676 #define UNICODE_BLACK_CIRCLE_CHAR 0x25cf
michael@0 677 return UNICODE_BLACK_CIRCLE_CHAR;
michael@0 678 }

Mercurial Repository: The Tor Browser

Europalab SCM Repository Server

mercurial