gfx/src/thebes/nsSystemFontsQt.cpp

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is thebes gfx
  16  *
  17  * The Initial Developer of the Original Code is mozilla.org.
  18  * Portions created by the Initial Developer are Copyright (C) 2005
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Vladimir Vukicevic <vladimir@pobox.com>
  23  *   Stuart Parmenter <pavlov@pavlov.net>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
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  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #include "nsIDeviceContext.h"
  40 #include "nsIRenderingContext.h"
  41
  42 #include "nsSystemFontsQt.h"
  43 #include "gfxQtPlatform.h"
  44 #include <QApplication>
  45 #include <QFont>
  46
  47 nsSystemFontsQt::nsSystemFontsQt()
  48   : mDefaultFontName(NS_LITERAL_STRING("sans-serif"))
  49   , mButtonFontName(NS_LITERAL_STRING("sans-serif"))
  50   , mFieldFontName(NS_LITERAL_STRING("sans-serif"))
  51   , mMenuFontName(NS_LITERAL_STRING("sans-serif"))
  52 {
  53    // What about using QFontInfo? is it faster or what?
  54    GetSystemFontInfo("Qlabel", &mDefaultFontName, &mDefaultFontStyle);
  55
  56    GetSystemFontInfo("QlineEdit", &mFieldFontName, &mFieldFontStyle);
  57
  58    GetSystemFontInfo("QAction", &mMenuFontName, &mMenuFontStyle);
  59
  60    GetSystemFontInfo("QPushButton", &mButtonFontName, &mButtonFontStyle);
  61 }
  62
  63 nsSystemFontsQt::~nsSystemFontsQt()
  64 {
  65     // No implementation needed
  66 }
  67
  68 nsresult
  69 nsSystemFontsQt::GetSystemFontInfo(const char *aClassName, nsString *aFontName,
  70                                    gfxFontStyle *aFontStyle) const
  71 {
  72     QFont qFont = QApplication::font(aClassName);
  73
  74     aFontStyle->style = FONT_STYLE_NORMAL;
  75     aFontStyle->systemFont = PR_TRUE;
  76     NS_NAMED_LITERAL_STRING(quote, "\"");
  77     nsString family((PRUnichar*)qFont.family().data());
  78     *aFontName = quote + family + quote;
  79     aFontStyle->weight = qFont.weight();
  80     aFontStyle->size = qFont.pointSizeF() * float(gfxQtPlatform::DPI()) / 72.0f;
  81     return NS_OK;
  82 }
  83
  84
  85 nsresult
  86 nsSystemFontsQt::GetSystemFont(nsSystemFontID anID, nsString *aFontName,
  87                                  gfxFontStyle *aFontStyle) const
  88 {
  89     switch (anID) {
  90     case eSystemFont_Menu:         // css2
  91     case eSystemFont_PullDownMenu: // css3
  92         *aFontName = mMenuFontName;
  93         *aFontStyle = mMenuFontStyle;
  94         break;
  95
  96     case eSystemFont_Field:        // css3
  97     case eSystemFont_List:         // css3
  98         *aFontName = mFieldFontName;
  99         *aFontStyle = mFieldFontStyle;
 100         break;
 101
 102     case eSystemFont_Button:       // css3
 103         *aFontName = mButtonFontName;
 104         *aFontStyle = mButtonFontStyle;
 105         break;
 106
 107     case eSystemFont_Caption:      // css2
 108     case eSystemFont_Icon:         // css2
 109     case eSystemFont_MessageBox:   // css2
 110     case eSystemFont_SmallCaption: // css2
 111     case eSystemFont_StatusBar:    // css2
 112     case eSystemFont_Window:       // css3
 113     case eSystemFont_Document:     // css3
 114     case eSystemFont_Workspace:    // css3
 115     case eSystemFont_Desktop:      // css3
 116     case eSystemFont_Info:         // css3
 117     case eSystemFont_Dialog:       // css3
 118     case eSystemFont_Tooltips:     // moz
 119     case eSystemFont_Widget:       // moz
 120         *aFontName = mDefaultFontName;
 121         *aFontStyle = mDefaultFontStyle;
 122         break;
 123     }
 124
 125     return NS_OK;
 126 }
 127