gwenview/lib/fullscreentheme.cpp

   1 // vim: set tabstop=4 shiftwidth=4 noexpandtab:
   2 /*
   3 Gwenview: an image viewer
   4 Copyright 2008 Aurélien Gâteau <aurelien.gateau@free.fr>
   5
   6 This program is free software; you can redistribute it and/or
   7 modify it under the terms of the GNU General Public License
   8 as published by the Free Software Foundation; either version 2
   9 of the License, or (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
  19
  20 */
  21 // Self
  22 #include "fullscreentheme.h"
  23
  24 // Qt
  25 #include <QDir>
  26 #include <QFile>
  27 #include <QString>
  28
  29 // KDE
  30 #include <kcomponentdata.h>
  31 #include <kmacroexpander.h>
  32 #include <kstandarddirs.h>
  33 #include <kstringhandler.h>
  34
  35 // Local
  36 #include <lib/gwenviewconfig.h>
  37
  38 namespace Gwenview {
  39
  40
  41 static const char* THEME_BASE_DIR = "fullscreenthemes/";
  42
  43
  44 struct FullScreenThemePrivate {
  45         QString mThemeDir;
  46         QString mStyleSheet;
  47 };
  48
  49
  50 FullScreenTheme::FullScreenTheme(const QString& themeName)
  51 : d(new FullScreenThemePrivate) {
  52         // Get theme dir
  53         d->mThemeDir = KStandardDirs::locate("appdata", THEME_BASE_DIR + themeName + '/');
  54         if (d->mThemeDir.isEmpty()) {
  55                 kWarning() << "Couldn't find fullscreen theme" << themeName;
  56                 return;
  57         }
  58
  59         // Read css file
  60         QString styleSheetPath = d->mThemeDir + "/style.css";
  61         QFile file(styleSheetPath);
  62         if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
  63                 kWarning() << "Couldn't open" << styleSheetPath;
  64                 return;
  65         }
  66         QString styleSheet = QString::fromUtf8(file.readAll());
  67
  68         d->mStyleSheet = replaceThemeVars(styleSheet);
  69 }
  70
  71
  72 FullScreenTheme::~FullScreenTheme() {
  73         delete d;
  74 }
  75
  76
  77 QString FullScreenTheme::styleSheet() const {
  78         return d->mStyleSheet;
  79 }
  80
  81
  82 QString FullScreenTheme::replaceThemeVars(const QString& styleSheet) {
  83         QHash<QString, QString> macros;
  84         macros["themeDir"] = d->mThemeDir;
  85         return KMacroExpander::expandMacros(styleSheet, macros, QLatin1Char('$'));
  86 }
  87
  88
  89 QString FullScreenTheme::currentThemeName() {
  90         return GwenviewConfig::fullScreenTheme();
  91 }
  92
  93
  94 void FullScreenTheme::setCurrentThemeName(const QString& name) {
  95         GwenviewConfig::setFullScreenTheme(name);
  96 }
  97
  98
  99 static bool themeNameLessThan(const QString& s1, const QString& s2) {
 100         return KStringHandler::naturalCompare(s1.toLower(), s2.toLower()) < 0;
 101 }
 102
 103
 104 QStringList FullScreenTheme::themeNameList() {
 105         QStringList list;
 106         QStringList themeBaseDirs =
 107                 KGlobal::mainComponent().dirs()
 108                 ->findDirs("appdata", THEME_BASE_DIR);
 109         Q_FOREACH(const QString& themeBaseDir, themeBaseDirs) {
 110                 QDir dir(themeBaseDir);
 111                 list += dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
 112         }
 113         qSort(list.begin(), list.end(), themeNameLessThan);
 114
 115         return list;
 116 }
 117
 118
 119 } // namespace