1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/windows/nsLookAndFeel.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,678 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nsLookAndFeel.h"
1.10 +#include <windows.h>
1.11 +#include <shellapi.h>
1.12 +#include "nsStyleConsts.h"
1.13 +#include "nsUXThemeData.h"
1.14 +#include "nsUXThemeConstants.h"
1.15 +#include "gfxFont.h"
1.16 +#include "gfxWindowsPlatform.h"
1.17 +#include "mozilla/Telemetry.h"
1.18 +#include "mozilla/WindowsVersion.h"
1.19 +#include "gfxFontConstants.h"
1.20 +
1.21 +using namespace mozilla;
1.22 +using namespace mozilla::widget;
1.23 +
1.24 +//static
1.25 +LookAndFeel::OperatingSystemVersion
1.26 +nsLookAndFeel::GetOperatingSystemVersion()
1.27 +{
1.28 + static OperatingSystemVersion version = eOperatingSystemVersion_Unknown;
1.29 +
1.30 + if (version != eOperatingSystemVersion_Unknown) {
1.31 + return version;
1.32 + }
1.33 +
1.34 + if (IsWin8OrLater()) {
1.35 + version = eOperatingSystemVersion_Windows8;
1.36 + } else if (IsWin7OrLater()) {
1.37 + version = eOperatingSystemVersion_Windows7;
1.38 + } else if (IsVistaOrLater()) {
1.39 + version = eOperatingSystemVersion_WindowsVista;
1.40 + } else {
1.41 + version = eOperatingSystemVersion_WindowsXP;
1.42 + }
1.43 +
1.44 + return version;
1.45 +}
1.46 +
1.47 +static nsresult GetColorFromTheme(nsUXThemeClass cls,
1.48 + int32_t aPart,
1.49 + int32_t aState,
1.50 + int32_t aPropId,
1.51 + nscolor &aColor)
1.52 +{
1.53 + COLORREF color;
1.54 + HRESULT hr = GetThemeColor(nsUXThemeData::GetTheme(cls), aPart, aState, aPropId, &color);
1.55 + if (hr == S_OK)
1.56 + {
1.57 + aColor = COLOREF_2_NSRGB(color);
1.58 + return NS_OK;
1.59 + }
1.60 + return NS_ERROR_FAILURE;
1.61 +}
1.62 +
1.63 +static int32_t GetSystemParam(long flag, int32_t def)
1.64 +{
1.65 + DWORD value;
1.66 + return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
1.67 +}
1.68 +
1.69 +namespace mozilla {
1.70 +namespace widget {
1.71 +// This is in use here and in dom/events/TouchEvent.cpp
1.72 +int32_t IsTouchDeviceSupportPresent()
1.73 +{
1.74 + int32_t touchCapabilities;
1.75 + touchCapabilities = ::GetSystemMetrics(SM_DIGITIZER);
1.76 + return ((touchCapabilities & NID_READY) &&
1.77 + (touchCapabilities & (NID_EXTERNAL_TOUCH | NID_INTEGRATED_TOUCH)));
1.78 +}
1.79 +} }
1.80 +
1.81 +nsLookAndFeel::nsLookAndFeel() : nsXPLookAndFeel()
1.82 +{
1.83 + mozilla::Telemetry::Accumulate(mozilla::Telemetry::TOUCH_ENABLED_DEVICE,
1.84 + IsTouchDeviceSupportPresent());
1.85 +}
1.86 +
1.87 +nsLookAndFeel::~nsLookAndFeel()
1.88 +{
1.89 +}
1.90 +
1.91 +nsresult
1.92 +nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
1.93 +{
1.94 + nsresult res = NS_OK;
1.95 +
1.96 + int idx;
1.97 + switch (aID) {
1.98 + case eColorID_WindowBackground:
1.99 + idx = COLOR_WINDOW;
1.100 + break;
1.101 + case eColorID_WindowForeground:
1.102 + idx = COLOR_WINDOWTEXT;
1.103 + break;
1.104 + case eColorID_WidgetBackground:
1.105 + idx = COLOR_BTNFACE;
1.106 + break;
1.107 + case eColorID_WidgetForeground:
1.108 + idx = COLOR_BTNTEXT;
1.109 + break;
1.110 + case eColorID_WidgetSelectBackground:
1.111 + idx = COLOR_HIGHLIGHT;
1.112 + break;
1.113 + case eColorID_WidgetSelectForeground:
1.114 + idx = COLOR_HIGHLIGHTTEXT;
1.115 + break;
1.116 + case eColorID_Widget3DHighlight:
1.117 + idx = COLOR_BTNHIGHLIGHT;
1.118 + break;
1.119 + case eColorID_Widget3DShadow:
1.120 + idx = COLOR_BTNSHADOW;
1.121 + break;
1.122 + case eColorID_TextBackground:
1.123 + idx = COLOR_WINDOW;
1.124 + break;
1.125 + case eColorID_TextForeground:
1.126 + idx = COLOR_WINDOWTEXT;
1.127 + break;
1.128 + case eColorID_TextSelectBackground:
1.129 + case eColorID_IMESelectedRawTextBackground:
1.130 + case eColorID_IMESelectedConvertedTextBackground:
1.131 + idx = COLOR_HIGHLIGHT;
1.132 + break;
1.133 + case eColorID_TextSelectForeground:
1.134 + case eColorID_IMESelectedRawTextForeground:
1.135 + case eColorID_IMESelectedConvertedTextForeground:
1.136 + idx = COLOR_HIGHLIGHTTEXT;
1.137 + break;
1.138 + case eColorID_IMERawInputBackground:
1.139 + case eColorID_IMEConvertedTextBackground:
1.140 + aColor = NS_TRANSPARENT;
1.141 + return NS_OK;
1.142 + case eColorID_IMERawInputForeground:
1.143 + case eColorID_IMEConvertedTextForeground:
1.144 + aColor = NS_SAME_AS_FOREGROUND_COLOR;
1.145 + return NS_OK;
1.146 + case eColorID_IMERawInputUnderline:
1.147 + case eColorID_IMEConvertedTextUnderline:
1.148 + aColor = NS_SAME_AS_FOREGROUND_COLOR;
1.149 + return NS_OK;
1.150 + case eColorID_IMESelectedRawTextUnderline:
1.151 + case eColorID_IMESelectedConvertedTextUnderline:
1.152 + aColor = NS_TRANSPARENT;
1.153 + return NS_OK;
1.154 + case eColorID_SpellCheckerUnderline:
1.155 + aColor = NS_RGB(0xff, 0, 0);
1.156 + return NS_OK;
1.157 +
1.158 + // New CSS 2 Color definitions
1.159 + case eColorID_activeborder:
1.160 + idx = COLOR_ACTIVEBORDER;
1.161 + break;
1.162 + case eColorID_activecaption:
1.163 + idx = COLOR_ACTIVECAPTION;
1.164 + break;
1.165 + case eColorID_appworkspace:
1.166 + idx = COLOR_APPWORKSPACE;
1.167 + break;
1.168 + case eColorID_background:
1.169 + idx = COLOR_BACKGROUND;
1.170 + break;
1.171 + case eColorID_buttonface:
1.172 + case eColorID__moz_buttonhoverface:
1.173 + idx = COLOR_BTNFACE;
1.174 + break;
1.175 + case eColorID_buttonhighlight:
1.176 + idx = COLOR_BTNHIGHLIGHT;
1.177 + break;
1.178 + case eColorID_buttonshadow:
1.179 + idx = COLOR_BTNSHADOW;
1.180 + break;
1.181 + case eColorID_buttontext:
1.182 + case eColorID__moz_buttonhovertext:
1.183 + idx = COLOR_BTNTEXT;
1.184 + break;
1.185 + case eColorID_captiontext:
1.186 + idx = COLOR_CAPTIONTEXT;
1.187 + break;
1.188 + case eColorID_graytext:
1.189 + idx = COLOR_GRAYTEXT;
1.190 + break;
1.191 + case eColorID_highlight:
1.192 + case eColorID__moz_html_cellhighlight:
1.193 + case eColorID__moz_menuhover:
1.194 + idx = COLOR_HIGHLIGHT;
1.195 + break;
1.196 + case eColorID__moz_menubarhovertext:
1.197 + if (!IsVistaOrLater() || !IsAppThemed())
1.198 + {
1.199 + idx = nsUXThemeData::sFlatMenus ?
1.200 + COLOR_HIGHLIGHTTEXT :
1.201 + COLOR_MENUTEXT;
1.202 + break;
1.203 + }
1.204 + // Fall through
1.205 + case eColorID__moz_menuhovertext:
1.206 + if (IsVistaOrLater() && IsAppThemed())
1.207 + {
1.208 + res = ::GetColorFromTheme(eUXMenu,
1.209 + MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR, aColor);
1.210 + if (NS_SUCCEEDED(res))
1.211 + return res;
1.212 + // fall through to highlight case
1.213 + }
1.214 + case eColorID_highlighttext:
1.215 + case eColorID__moz_html_cellhighlighttext:
1.216 + idx = COLOR_HIGHLIGHTTEXT;
1.217 + break;
1.218 + case eColorID_inactiveborder:
1.219 + idx = COLOR_INACTIVEBORDER;
1.220 + break;
1.221 + case eColorID_inactivecaption:
1.222 + idx = COLOR_INACTIVECAPTION;
1.223 + break;
1.224 + case eColorID_inactivecaptiontext:
1.225 + idx = COLOR_INACTIVECAPTIONTEXT;
1.226 + break;
1.227 + case eColorID_infobackground:
1.228 + idx = COLOR_INFOBK;
1.229 + break;
1.230 + case eColorID_infotext:
1.231 + idx = COLOR_INFOTEXT;
1.232 + break;
1.233 + case eColorID_menu:
1.234 + idx = COLOR_MENU;
1.235 + break;
1.236 + case eColorID_menutext:
1.237 + case eColorID__moz_menubartext:
1.238 + idx = COLOR_MENUTEXT;
1.239 + break;
1.240 + case eColorID_scrollbar:
1.241 + idx = COLOR_SCROLLBAR;
1.242 + break;
1.243 + case eColorID_threeddarkshadow:
1.244 + idx = COLOR_3DDKSHADOW;
1.245 + break;
1.246 + case eColorID_threedface:
1.247 + idx = COLOR_3DFACE;
1.248 + break;
1.249 + case eColorID_threedhighlight:
1.250 + idx = COLOR_3DHIGHLIGHT;
1.251 + break;
1.252 + case eColorID_threedlightshadow:
1.253 + idx = COLOR_3DLIGHT;
1.254 + break;
1.255 + case eColorID_threedshadow:
1.256 + idx = COLOR_3DSHADOW;
1.257 + break;
1.258 + case eColorID_window:
1.259 + idx = COLOR_WINDOW;
1.260 + break;
1.261 + case eColorID_windowframe:
1.262 + idx = COLOR_WINDOWFRAME;
1.263 + break;
1.264 + case eColorID_windowtext:
1.265 + idx = COLOR_WINDOWTEXT;
1.266 + break;
1.267 + case eColorID__moz_eventreerow:
1.268 + case eColorID__moz_oddtreerow:
1.269 + case eColorID__moz_field:
1.270 + case eColorID__moz_combobox:
1.271 + idx = COLOR_WINDOW;
1.272 + break;
1.273 + case eColorID__moz_fieldtext:
1.274 + case eColorID__moz_comboboxtext:
1.275 + idx = COLOR_WINDOWTEXT;
1.276 + break;
1.277 + case eColorID__moz_dialog:
1.278 + case eColorID__moz_cellhighlight:
1.279 + idx = COLOR_3DFACE;
1.280 + break;
1.281 + case eColorID__moz_win_mediatext:
1.282 + if (IsVistaOrLater() && IsAppThemed()) {
1.283 + res = ::GetColorFromTheme(eUXMediaToolbar,
1.284 + TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
1.285 + if (NS_SUCCEEDED(res))
1.286 + return res;
1.287 + }
1.288 + // if we've gotten here just return -moz-dialogtext instead
1.289 + idx = COLOR_WINDOWTEXT;
1.290 + break;
1.291 + case eColorID__moz_win_communicationstext:
1.292 + if (IsVistaOrLater() && IsAppThemed())
1.293 + {
1.294 + res = ::GetColorFromTheme(eUXCommunicationsToolbar,
1.295 + TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
1.296 + if (NS_SUCCEEDED(res))
1.297 + return res;
1.298 + }
1.299 + // if we've gotten here just return -moz-dialogtext instead
1.300 + idx = COLOR_WINDOWTEXT;
1.301 + break;
1.302 + case eColorID__moz_dialogtext:
1.303 + case eColorID__moz_cellhighlighttext:
1.304 + idx = COLOR_WINDOWTEXT;
1.305 + break;
1.306 + case eColorID__moz_dragtargetzone:
1.307 + idx = COLOR_HIGHLIGHTTEXT;
1.308 + break;
1.309 + case eColorID__moz_buttondefault:
1.310 + idx = COLOR_3DDKSHADOW;
1.311 + break;
1.312 + case eColorID__moz_nativehyperlinktext:
1.313 + idx = COLOR_HOTLIGHT;
1.314 + break;
1.315 + default:
1.316 + idx = COLOR_WINDOW;
1.317 + break;
1.318 + }
1.319 +
1.320 + DWORD color = ::GetSysColor(idx);
1.321 + aColor = COLOREF_2_NSRGB(color);
1.322 +
1.323 + return res;
1.324 +}
1.325 +
1.326 +nsresult
1.327 +nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
1.328 +{
1.329 + nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
1.330 + if (NS_SUCCEEDED(res))
1.331 + return res;
1.332 + res = NS_OK;
1.333 +
1.334 + switch (aID) {
1.335 + case eIntID_CaretBlinkTime:
1.336 + aResult = (int32_t)::GetCaretBlinkTime();
1.337 + break;
1.338 + case eIntID_CaretWidth:
1.339 + aResult = 1;
1.340 + break;
1.341 + case eIntID_ShowCaretDuringSelection:
1.342 + aResult = 0;
1.343 + break;
1.344 + case eIntID_SelectTextfieldsOnKeyFocus:
1.345 + // Select textfield content when focused by kbd
1.346 + // used by EventStateManager::sTextfieldSelectModel
1.347 + aResult = 1;
1.348 + break;
1.349 + case eIntID_SubmenuDelay:
1.350 + // This will default to the Windows' default
1.351 + // (400ms) on error.
1.352 + aResult = GetSystemParam(SPI_GETMENUSHOWDELAY, 400);
1.353 + break;
1.354 + case eIntID_TooltipDelay:
1.355 + aResult = 500;
1.356 + break;
1.357 + case eIntID_MenusCanOverlapOSBar:
1.358 + // we want XUL popups to be able to overlap the task bar.
1.359 + aResult = 1;
1.360 + break;
1.361 + case eIntID_DragThresholdX:
1.362 + // The system metric is the number of pixels at which a drag should
1.363 + // start. Our look and feel metric is the number of pixels you can
1.364 + // move before starting a drag, so subtract 1.
1.365 +
1.366 + aResult = ::GetSystemMetrics(SM_CXDRAG) - 1;
1.367 + break;
1.368 + case eIntID_DragThresholdY:
1.369 + aResult = ::GetSystemMetrics(SM_CYDRAG) - 1;
1.370 + break;
1.371 + case eIntID_UseAccessibilityTheme:
1.372 + // High contrast is a misnomer under Win32 -- any theme can be used with it,
1.373 + // e.g. normal contrast with large fonts, low contrast, etc.
1.374 + // The high contrast flag really means -- use this theme and don't override it.
1.375 + aResult = nsUXThemeData::IsHighContrastOn();
1.376 + break;
1.377 + case eIntID_ScrollArrowStyle:
1.378 + aResult = eScrollArrowStyle_Single;
1.379 + break;
1.380 + case eIntID_ScrollSliderStyle:
1.381 + aResult = eScrollThumbStyle_Proportional;
1.382 + break;
1.383 + case eIntID_TreeOpenDelay:
1.384 + aResult = 1000;
1.385 + break;
1.386 + case eIntID_TreeCloseDelay:
1.387 + aResult = 0;
1.388 + break;
1.389 + case eIntID_TreeLazyScrollDelay:
1.390 + aResult = 150;
1.391 + break;
1.392 + case eIntID_TreeScrollDelay:
1.393 + aResult = 100;
1.394 + break;
1.395 + case eIntID_TreeScrollLinesMax:
1.396 + aResult = 3;
1.397 + break;
1.398 + case eIntID_WindowsClassic:
1.399 + aResult = !IsAppThemed();
1.400 + break;
1.401 + case eIntID_TouchEnabled:
1.402 + aResult = IsTouchDeviceSupportPresent();
1.403 + break;
1.404 + case eIntID_WindowsDefaultTheme:
1.405 + aResult = nsUXThemeData::IsDefaultWindowTheme();
1.406 + break;
1.407 + case eIntID_WindowsThemeIdentifier:
1.408 + aResult = nsUXThemeData::GetNativeThemeId();
1.409 + break;
1.410 +
1.411 + case eIntID_OperatingSystemVersionIdentifier:
1.412 + {
1.413 + aResult = GetOperatingSystemVersion();
1.414 + break;
1.415 + }
1.416 +
1.417 + case eIntID_MacGraphiteTheme:
1.418 + case eIntID_MacLionTheme:
1.419 + aResult = 0;
1.420 + res = NS_ERROR_NOT_IMPLEMENTED;
1.421 + break;
1.422 + case eIntID_DWMCompositor:
1.423 + aResult = nsUXThemeData::CheckForCompositor();
1.424 + break;
1.425 + case eIntID_WindowsGlass:
1.426 + // Aero Glass is only available prior to Windows 8 when DWM is used.
1.427 + aResult = (nsUXThemeData::CheckForCompositor() && !IsWin8OrLater());
1.428 + break;
1.429 + case eIntID_AlertNotificationOrigin:
1.430 + aResult = 0;
1.431 + {
1.432 + // Get task bar window handle
1.433 + HWND shellWindow = FindWindowW(L"Shell_TrayWnd", nullptr);
1.434 +
1.435 + if (shellWindow != nullptr)
1.436 + {
1.437 + // Determine position
1.438 + APPBARDATA appBarData;
1.439 + appBarData.hWnd = shellWindow;
1.440 + appBarData.cbSize = sizeof(appBarData);
1.441 + if (SHAppBarMessage(ABM_GETTASKBARPOS, &appBarData))
1.442 + {
1.443 + // Set alert origin as a bit field - see LookAndFeel.h
1.444 + // 0 represents bottom right, sliding vertically.
1.445 + switch(appBarData.uEdge)
1.446 + {
1.447 + case ABE_LEFT:
1.448 + aResult = NS_ALERT_HORIZONTAL | NS_ALERT_LEFT;
1.449 + break;
1.450 + case ABE_RIGHT:
1.451 + aResult = NS_ALERT_HORIZONTAL;
1.452 + break;
1.453 + case ABE_TOP:
1.454 + aResult = NS_ALERT_TOP;
1.455 + // fall through for the right-to-left handling.
1.456 + case ABE_BOTTOM:
1.457 + // If the task bar is right-to-left,
1.458 + // move the origin to the left
1.459 + if (::GetWindowLong(shellWindow, GWL_EXSTYLE) &
1.460 + WS_EX_LAYOUTRTL)
1.461 + aResult |= NS_ALERT_LEFT;
1.462 + break;
1.463 + }
1.464 + }
1.465 + }
1.466 + }
1.467 + break;
1.468 + case eIntID_IMERawInputUnderlineStyle:
1.469 + case eIntID_IMEConvertedTextUnderlineStyle:
1.470 + aResult = NS_STYLE_TEXT_DECORATION_STYLE_DASHED;
1.471 + break;
1.472 + case eIntID_IMESelectedRawTextUnderlineStyle:
1.473 + case eIntID_IMESelectedConvertedTextUnderline:
1.474 + aResult = NS_STYLE_TEXT_DECORATION_STYLE_NONE;
1.475 + break;
1.476 + case eIntID_SpellCheckerUnderlineStyle:
1.477 + aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
1.478 + break;
1.479 + case eIntID_ScrollbarButtonAutoRepeatBehavior:
1.480 + aResult = 0;
1.481 + break;
1.482 + case eIntID_SwipeAnimationEnabled:
1.483 + aResult = 0;
1.484 + break;
1.485 + case eIntID_ColorPickerAvailable:
1.486 + // We don't have a color picker implemented on Metro yet (bug 895464)
1.487 + aResult = (XRE_GetWindowsEnvironment() != WindowsEnvironmentType_Metro);
1.488 + break;
1.489 + case eIntID_UseOverlayScrollbars:
1.490 + aResult = (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro);
1.491 + break;
1.492 + case eIntID_AllowOverlayScrollbarsOverlap:
1.493 + aResult = 0;
1.494 + break;
1.495 + case eIntID_ScrollbarDisplayOnMouseMove:
1.496 + aResult = 1;
1.497 + break;
1.498 + case eIntID_ScrollbarFadeBeginDelay:
1.499 + aResult = 2500;
1.500 + break;
1.501 + case eIntID_ScrollbarFadeDuration:
1.502 + aResult = 350;
1.503 + break;
1.504 + default:
1.505 + aResult = 0;
1.506 + res = NS_ERROR_FAILURE;
1.507 + }
1.508 + return res;
1.509 +}
1.510 +
1.511 +nsresult
1.512 +nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
1.513 +{
1.514 + nsresult res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
1.515 + if (NS_SUCCEEDED(res))
1.516 + return res;
1.517 + res = NS_OK;
1.518 +
1.519 + switch (aID) {
1.520 + case eFloatID_IMEUnderlineRelativeSize:
1.521 + aResult = 1.0f;
1.522 + break;
1.523 + case eFloatID_SpellCheckerUnderlineRelativeSize:
1.524 + aResult = 1.0f;
1.525 + break;
1.526 + default:
1.527 + aResult = -1.0;
1.528 + res = NS_ERROR_FAILURE;
1.529 + }
1.530 + return res;
1.531 +}
1.532 +
1.533 +static bool
1.534 +GetSysFontInfo(HDC aHDC, LookAndFeel::FontID anID,
1.535 + nsString &aFontName,
1.536 + gfxFontStyle &aFontStyle)
1.537 +{
1.538 + LOGFONTW* ptrLogFont = nullptr;
1.539 + LOGFONTW logFont;
1.540 + NONCLIENTMETRICSW ncm;
1.541 + HGDIOBJ hGDI;
1.542 + char16_t name[LF_FACESIZE];
1.543 +
1.544 + // Depending on which stock font we want, there are three different
1.545 + // places we might have to look it up.
1.546 + switch (anID) {
1.547 + case LookAndFeel::eFont_Icon:
1.548 + if (!::SystemParametersInfoW(SPI_GETICONTITLELOGFONT,
1.549 + sizeof(logFont), (PVOID)&logFont, 0))
1.550 + return false;
1.551 +
1.552 + ptrLogFont = &logFont;
1.553 + break;
1.554 +
1.555 + case LookAndFeel::eFont_Menu:
1.556 + case LookAndFeel::eFont_MessageBox:
1.557 + case LookAndFeel::eFont_SmallCaption:
1.558 + case LookAndFeel::eFont_StatusBar:
1.559 + case LookAndFeel::eFont_Tooltips:
1.560 + ncm.cbSize = sizeof(NONCLIENTMETRICSW);
1.561 + if (!::SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
1.562 + sizeof(ncm), (PVOID)&ncm, 0))
1.563 + return false;
1.564 +
1.565 + switch (anID) {
1.566 + case LookAndFeel::eFont_Menu:
1.567 + ptrLogFont = &ncm.lfMenuFont;
1.568 + break;
1.569 + case LookAndFeel::eFont_MessageBox:
1.570 + ptrLogFont = &ncm.lfMessageFont;
1.571 + break;
1.572 + case LookAndFeel::eFont_SmallCaption:
1.573 + ptrLogFont = &ncm.lfSmCaptionFont;
1.574 + break;
1.575 + case LookAndFeel::eFont_StatusBar:
1.576 + case LookAndFeel::eFont_Tooltips:
1.577 + ptrLogFont = &ncm.lfStatusFont;
1.578 + break;
1.579 + }
1.580 + break;
1.581 +
1.582 + case LookAndFeel::eFont_Widget:
1.583 + case LookAndFeel::eFont_Window: // css3
1.584 + case LookAndFeel::eFont_Document:
1.585 + case LookAndFeel::eFont_Workspace:
1.586 + case LookAndFeel::eFont_Desktop:
1.587 + case LookAndFeel::eFont_Info:
1.588 + case LookAndFeel::eFont_Dialog:
1.589 + case LookAndFeel::eFont_Button:
1.590 + case LookAndFeel::eFont_PullDownMenu:
1.591 + case LookAndFeel::eFont_List:
1.592 + case LookAndFeel::eFont_Field:
1.593 + case LookAndFeel::eFont_Caption:
1.594 + hGDI = ::GetStockObject(DEFAULT_GUI_FONT);
1.595 + if (!hGDI)
1.596 + return false;
1.597 +
1.598 + if (::GetObjectW(hGDI, sizeof(logFont), &logFont) <= 0)
1.599 + return false;
1.600 +
1.601 + ptrLogFont = &logFont;
1.602 + break;
1.603 + }
1.604 +
1.605 + // Get scaling factor from physical to logical pixels
1.606 + float pixelScale = 1.0f / gfxWindowsPlatform::GetPlatform()->GetDPIScale();
1.607 +
1.608 + // The lfHeight is in pixels, and it needs to be adjusted for the
1.609 + // device it will be displayed on.
1.610 + // Screens and Printers will differ in DPI
1.611 + //
1.612 + // So this accounts for the difference in the DeviceContexts
1.613 + // The pixelScale will typically be 1.0 for the screen
1.614 + // (though larger for hi-dpi screens where the Windows resolution
1.615 + // scale factor is 125% or 150% or even more), and could be
1.616 + // any value when going to a printer, for example pixelScale is
1.617 + // 6.25 when going to a 600dpi printer.
1.618 + float pixelHeight = -ptrLogFont->lfHeight;
1.619 + if (pixelHeight < 0) {
1.620 + HFONT hFont = ::CreateFontIndirectW(ptrLogFont);
1.621 + if (!hFont)
1.622 + return false;
1.623 + HGDIOBJ hObject = ::SelectObject(aHDC, hFont);
1.624 + TEXTMETRIC tm;
1.625 + ::GetTextMetrics(aHDC, &tm);
1.626 + ::SelectObject(aHDC, hObject);
1.627 + ::DeleteObject(hFont);
1.628 + pixelHeight = tm.tmAscent;
1.629 + }
1.630 + pixelHeight *= pixelScale;
1.631 +
1.632 + // we have problem on Simplified Chinese system because the system
1.633 + // report the default font size is 8 points. but if we use 8, the text
1.634 + // display very ugly. force it to be at 9 points (12 pixels) on that
1.635 + // system (cp936), but leave other sizes alone.
1.636 + if (pixelHeight < 12 && ::GetACP() == 936)
1.637 + pixelHeight = 12;
1.638 +
1.639 + aFontStyle.size = pixelHeight;
1.640 +
1.641 + // FIXME: What about oblique?
1.642 + aFontStyle.style =
1.643 + (ptrLogFont->lfItalic) ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL;
1.644 +
1.645 + // FIXME: Other weights?
1.646 + aFontStyle.weight =
1.647 + (ptrLogFont->lfWeight == FW_BOLD ?
1.648 + NS_FONT_WEIGHT_BOLD : NS_FONT_WEIGHT_NORMAL);
1.649 +
1.650 + // FIXME: Set aFontStyle->stretch correctly!
1.651 + aFontStyle.stretch = NS_FONT_STRETCH_NORMAL;
1.652 +
1.653 + aFontStyle.systemFont = true;
1.654 +
1.655 + name[0] = 0;
1.656 + memcpy(name, ptrLogFont->lfFaceName, LF_FACESIZE*sizeof(char16_t));
1.657 + aFontName = name;
1.658 +
1.659 + return true;
1.660 +}
1.661 +
1.662 +bool
1.663 +nsLookAndFeel::GetFontImpl(FontID anID, nsString &aFontName,
1.664 + gfxFontStyle &aFontStyle,
1.665 + float aDevPixPerCSSPixel)
1.666 +{
1.667 + HDC tdc = GetDC(nullptr);
1.668 + bool status = GetSysFontInfo(tdc, anID, aFontName, aFontStyle);
1.669 + ReleaseDC(nullptr, tdc);
1.670 + // now convert the logical font size from GetSysFontInfo into device pixels for layout
1.671 + aFontStyle.size *= aDevPixPerCSSPixel;
1.672 + return status;
1.673 +}
1.674 +
1.675 +/* virtual */
1.676 +char16_t
1.677 +nsLookAndFeel::GetPasswordCharacterImpl()
1.678 +{
1.679 +#define UNICODE_BLACK_CIRCLE_CHAR 0x25cf
1.680 + return UNICODE_BLACK_CIRCLE_CHAR;
1.681 +}
