widget/qt/nsLookAndFeel.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* Copyright 2012 Mozilla Foundation and Mozilla contributors
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <QGuiApplication>
  18 #include <QFont>
  19 #include <QScreen>
  20 #include <QPalette>
  21 #include <QStyle>
  22 #include <QStyleFactory>
  23
  24 #include "nsLookAndFeel.h"
  25 #include "nsStyleConsts.h"
  26 #include "gfxFont.h"
  27 #include "gfxFontConstants.h"
  28 #include "mozilla/gfx/2D.h"
  29
  30 static const char16_t UNICODE_BULLET = 0x2022;
  31
  32 #define QCOLOR_TO_NS_RGB(c)                     \
  33   ((nscolor)NS_RGB(c.red(),c.green(),c.blue()))
  34
  35 nsLookAndFeel::nsLookAndFeel()
  36     : nsXPLookAndFeel()
  37 {
  38 }
  39
  40 nsLookAndFeel::~nsLookAndFeel()
  41 {
  42 }
  43
  44 nsresult
  45 nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
  46 {
  47     nsresult rv = NS_OK;
  48
  49 #define BG_PRELIGHT_COLOR     NS_RGB(0xee,0xee,0xee)
  50 #define FG_PRELIGHT_COLOR     NS_RGB(0x77,0x77,0x77)
  51 #define RED_COLOR             NS_RGB(0xff,0x00,0x00)
  52
  53     QPalette palette = QGuiApplication::palette();
  54
  55     switch (aID) {
  56         // These colors don't seem to be used for anything anymore in Mozilla
  57         // (except here at least TextSelectBackground and TextSelectForeground)
  58         // The CSS2 colors below are used.
  59     case eColorID_WindowBackground:
  60         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
  61         break;
  62     case eColorID_WindowForeground:
  63         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::WindowText));
  64         break;
  65     case eColorID_WidgetBackground:
  66         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
  67         break;
  68     case eColorID_WidgetForeground:
  69         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::WindowText));
  70         break;
  71     case eColorID_WidgetSelectBackground:
  72         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
  73         break;
  74     case eColorID_WidgetSelectForeground:
  75         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::WindowText));
  76         break;
  77     case eColorID_Widget3DHighlight:
  78         aColor = NS_RGB(0xa0,0xa0,0xa0);
  79         break;
  80     case eColorID_Widget3DShadow:
  81         aColor = NS_RGB(0x40,0x40,0x40);
  82         break;
  83     case eColorID_TextBackground:
  84         // not used?
  85         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
  86         break;
  87     case eColorID_TextForeground:
  88         // not used?
  89         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::WindowText));
  90         break;
  91     case eColorID_TextSelectBackground:
  92     case eColorID_IMESelectedRawTextBackground:
  93     case eColorID_IMESelectedConvertedTextBackground:
  94         // still used
  95         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Highlight));
  96         break;
  97     case eColorID_TextSelectForeground:
  98     case eColorID_IMESelectedRawTextForeground:
  99     case eColorID_IMESelectedConvertedTextForeground:
 100         // still used
 101         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::HighlightedText));
 102         break;
 103     case eColorID_IMERawInputBackground:
 104     case eColorID_IMEConvertedTextBackground:
 105         aColor = NS_TRANSPARENT;
 106         break;
 107     case eColorID_IMERawInputForeground:
 108     case eColorID_IMEConvertedTextForeground:
 109         aColor = NS_SAME_AS_FOREGROUND_COLOR;
 110         break;
 111     case eColorID_IMERawInputUnderline:
 112     case eColorID_IMEConvertedTextUnderline:
 113         aColor = NS_SAME_AS_FOREGROUND_COLOR;
 114         break;
 115     case eColorID_IMESelectedRawTextUnderline:
 116     case eColorID_IMESelectedConvertedTextUnderline:
 117         aColor = NS_TRANSPARENT;
 118         break;
 119     case eColorID_SpellCheckerUnderline:
 120         aColor = RED_COLOR;
 121         break;
 122
 123         // css2  http://www.w3.org/TR/REC-CSS2/ui.html#system-colors
 124     case eColorID_activeborder:
 125         // active window border
 126         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 127         break;
 128     case eColorID_activecaption:
 129         // active window caption background
 130         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 131         break;
 132     case eColorID_appworkspace:
 133         // MDI background color
 134         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 135         break;
 136     case eColorID_background:
 137         // desktop background
 138         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 139         break;
 140     case eColorID_captiontext:
 141         // text in active window caption, size box, and scrollbar arrow box (!)
 142         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 143         break;
 144     case eColorID_graytext:
 145         // disabled text in windows, menus, etc.
 146         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Text));
 147         break;
 148     case eColorID_highlight:
 149         // background of selected item
 150         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Highlight));
 151         break;
 152     case eColorID_highlighttext:
 153         // text of selected item
 154         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::HighlightedText));
 155         break;
 156     case eColorID_inactiveborder:
 157         // inactive window border
 158         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Window));
 159         break;
 160     case eColorID_inactivecaption:
 161         // inactive window caption
 162         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Window));
 163         break;
 164     case eColorID_inactivecaptiontext:
 165         // text in inactive window caption
 166         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Disabled, QPalette::Text));
 167         break;
 168     case eColorID_infobackground:
 169         // tooltip background color
 170         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::ToolTipBase));
 171         break;
 172     case eColorID_infotext:
 173         // tooltip text color
 174         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::ToolTipText));
 175         break;
 176     case eColorID_menu:
 177         // menu background
 178         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 179         break;
 180     case eColorID_menutext:
 181         // menu text
 182         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 183         break;
 184     case eColorID_scrollbar:
 185         // scrollbar gray area
 186         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Mid));
 187         break;
 188
 189     case eColorID_threedface:
 190     case eColorID_buttonface:
 191         // 3-D face color
 192         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Button));
 193         break;
 194
 195     case eColorID_buttontext:
 196         // text on push buttons
 197         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::ButtonText));
 198         break;
 199
 200     case eColorID_buttonhighlight:
 201         // 3-D highlighted edge color
 202     case eColorID_threedhighlight:
 203         // 3-D highlighted outer edge color
 204         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Dark));
 205         break;
 206
 207     case eColorID_threedlightshadow:
 208         // 3-D highlighted inner edge color
 209         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Light));
 210         break;
 211
 212     case eColorID_buttonshadow:
 213         // 3-D shadow edge color
 214     case eColorID_threedshadow:
 215         // 3-D shadow inner edge color
 216         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Dark));
 217         break;
 218
 219     case eColorID_threeddarkshadow:
 220         // 3-D shadow outer edge color
 221         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Shadow));
 222         break;
 223
 224     case eColorID_window:
 225     case eColorID_windowframe:
 226         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 227         break;
 228
 229     case eColorID_windowtext:
 230         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 231         break;
 232
 233     case eColorID__moz_eventreerow:
 234     case eColorID__moz_field:
 235         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Base));
 236         break;
 237     case eColorID__moz_fieldtext:
 238         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 239         break;
 240     case eColorID__moz_dialog:
 241         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 242         break;
 243     case eColorID__moz_dialogtext:
 244         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::WindowText));
 245         break;
 246     case eColorID__moz_dragtargetzone:
 247         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Window));
 248         break;
 249     case eColorID__moz_buttondefault:
 250         // default button border color
 251         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Button));
 252         break;
 253     case eColorID__moz_buttonhoverface:
 254         aColor = BG_PRELIGHT_COLOR;
 255         break;
 256     case eColorID__moz_buttonhovertext:
 257         aColor = FG_PRELIGHT_COLOR;
 258         break;
 259     case eColorID__moz_cellhighlight:
 260     case eColorID__moz_html_cellhighlight:
 261         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Highlight));
 262         break;
 263     case eColorID__moz_cellhighlighttext:
 264     case eColorID__moz_html_cellhighlighttext:
 265         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::HighlightedText));
 266         break;
 267     case eColorID__moz_menuhover:
 268         aColor = BG_PRELIGHT_COLOR;
 269         break;
 270     case eColorID__moz_menuhovertext:
 271         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 272         break;
 273     case eColorID__moz_oddtreerow:
 274         aColor = NS_TRANSPARENT;
 275         break;
 276     case eColorID__moz_nativehyperlinktext:
 277         aColor = NS_SAME_AS_FOREGROUND_COLOR;
 278         break;
 279     case eColorID__moz_comboboxtext:
 280         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 281         break;
 282     case eColorID__moz_combobox:
 283         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Base));
 284         break;
 285     case eColorID__moz_menubartext:
 286         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 287         break;
 288     case eColorID__moz_menubarhovertext:
 289         aColor = QCOLOR_TO_NS_RGB(palette.color(QPalette::Normal, QPalette::Text));
 290         break;
 291     default:
 292         /* default color is BLACK */
 293         aColor = 0;
 294         rv = NS_ERROR_FAILURE;
 295         break;
 296     }
 297
 298     return rv;
 299 }
 300
 301 nsresult
 302 nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
 303 {
 304     nsresult rv = nsXPLookAndFeel::GetIntImpl(aID, aResult);
 305     if (NS_SUCCEEDED(rv))
 306         return rv;
 307
 308     rv = NS_OK;
 309
 310     switch (aID) {
 311         case eIntID_CaretBlinkTime:
 312             aResult = 500;
 313             break;
 314
 315         case eIntID_CaretWidth:
 316             aResult = 1;
 317             break;
 318
 319         case eIntID_ShowCaretDuringSelection:
 320             aResult = 0;
 321             break;
 322
 323         case eIntID_SelectTextfieldsOnKeyFocus:
 324             // Select textfield content when focused by kbd
 325             // used by EventStateManager::sTextfieldSelectModel
 326             aResult = 1;
 327             break;
 328
 329         case eIntID_SubmenuDelay:
 330             aResult = 200;
 331             break;
 332
 333         case eIntID_TooltipDelay:
 334             aResult = 500;
 335             break;
 336
 337         case eIntID_MenusCanOverlapOSBar:
 338             // we want XUL popups to be able to overlap the task bar.
 339             aResult = 1;
 340             break;
 341
 342         case eIntID_ScrollArrowStyle:
 343             aResult = eScrollArrowStyle_Single;
 344             break;
 345
 346         case eIntID_ScrollSliderStyle:
 347             aResult = eScrollThumbStyle_Proportional;
 348             break;
 349
 350         case eIntID_TouchEnabled:
 351             aResult = 1;
 352             break;
 353
 354         case eIntID_WindowsDefaultTheme:
 355         case eIntID_WindowsThemeIdentifier:
 356         case eIntID_OperatingSystemVersionIdentifier:
 357             aResult = 0;
 358             rv = NS_ERROR_NOT_IMPLEMENTED;
 359             break;
 360
 361         case eIntID_IMERawInputUnderlineStyle:
 362         case eIntID_IMEConvertedTextUnderlineStyle:
 363             aResult = NS_STYLE_TEXT_DECORATION_STYLE_SOLID;
 364             break;
 365
 366         case eIntID_IMESelectedRawTextUnderlineStyle:
 367         case eIntID_IMESelectedConvertedTextUnderline:
 368             aResult = NS_STYLE_TEXT_DECORATION_STYLE_NONE;
 369             break;
 370
 371         case eIntID_SpellCheckerUnderlineStyle:
 372             aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
 373             break;
 374
 375         case eIntID_ScrollbarButtonAutoRepeatBehavior:
 376             aResult = 0;
 377             break;
 378
 379         default:
 380             aResult = 0;
 381             rv = NS_ERROR_FAILURE;
 382     }
 383
 384     return rv;
 385 }
 386
 387 nsresult
 388 nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
 389 {
 390   nsresult res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
 391   if (NS_SUCCEEDED(res))
 392     return res;
 393   res = NS_OK;
 394
 395   switch (aID) {
 396     case eFloatID_IMEUnderlineRelativeSize:
 397         aResult = 1.0f;
 398         break;
 399     case eFloatID_SpellCheckerUnderlineRelativeSize:
 400         aResult = 1.0f;
 401         break;
 402     default:
 403         aResult = -1.0;
 404         res = NS_ERROR_FAILURE;
 405     }
 406   return res;
 407 }
 408
 409 /*virtual*/
 410 bool
 411 nsLookAndFeel::GetFontImpl(FontID aID, nsString& aFontName,
 412                            gfxFontStyle& aFontStyle,
 413                            float aDevPixPerCSSPixel)
 414 {
 415   QFont qFont = QGuiApplication::font();
 416
 417   NS_NAMED_LITERAL_STRING(quote, "\"");
 418   nsString family((char16_t*)qFont.family().data());
 419   aFontName = quote + family + quote;
 420
 421   aFontStyle.systemFont = true;
 422   aFontStyle.style = qFont.style();
 423   aFontStyle.weight = qFont.weight();
 424   aFontStyle.stretch = qFont.stretch();
 425   // use pixel size directly if it is set, otherwise compute from point size
 426   if (qFont.pixelSize() != -1) {
 427     aFontStyle.size = qFont.pixelSize();
 428   } else {
 429     aFontStyle.size = qFont.pointSizeF() * qApp->primaryScreen()->logicalDotsPerInch() / 72.0f;
 430   }
 431
 432   return true;
 433 }
 434
 435 /*virtual*/
 436 bool
 437 nsLookAndFeel::GetEchoPasswordImpl() {
 438     return true;
 439 }
 440
 441 /*virtual*/
 442 uint32_t
 443 nsLookAndFeel::GetPasswordMaskDelayImpl()
 444 {
 445     // Same value on Android framework
 446     return 1500;
 447 }
 448
 449 /* virtual */
 450 char16_t
 451 nsLookAndFeel::GetPasswordCharacterImpl()
 452 {
 453     return UNICODE_BULLET;
 454 }