1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel IRC Team *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 #include "iconloader.h"
27 IconLoader IconLoader::_iconLoader;
28 int IconLoader::_groupSize[] = { 48, 22, 22, 16, 32, 22 }; // default sizes taken from Oxygen
30 IconLoader *IconLoader::global() {
34 IconLoader::IconLoader(QObject *parent) : QObject(parent) {
39 IconLoader::~IconLoader() {
43 void IconLoader::setTheme(const QString &theme) {
45 // check which dirs could contain themed icons
46 _themedIconDirNames.clear();
47 _plainIconDirNames.clear();
49 QStringList dataDirNames = QString(qgetenv("XDG_DATA_DIRS")).split(':');
51 // System theme in $data/icons/$theme
52 foreach(QString dir, dataDirNames) {
53 path = QString("%1/icons/%2").arg(dir, theme);
54 if(QFile::exists(path))
55 _themedIconDirNames.append(path);
57 // Resource for system theme :/icons/$theme
58 path = QString(":/icons/%2");
59 if(QFile::exists(path))
60 _themedIconDirNames.append(path);
62 // Own icons in $data/apps/quassel/icons/hicolor and :/icons/hicolor
63 // Also, plain icon dirs $data/apps/quassel/pics and :/pics
64 dataDirNames.append(":");
65 foreach(QString dir, dataDirNames) {
66 path = QString("%1/apps/quassel/icons/hicolor");
67 if(QFile::exists(path))
68 _themedIconDirNames.append(path);
69 path = QString("%1/apps/quassel/pics");
70 if(QFile::exists(path))
71 _plainIconDirNames.append(path);
75 // TODO: optionally implement cache (speed/memory tradeoff?)
76 QPixmap IconLoader::loadIcon(const QString &name, IconLoader::Group group, int size) {
77 if(group < 0 || group >= LastGroup) {
78 qWarning() << "Invalid icon group!";
82 size = _groupSize[group];
84 QString path = findIconPath(name, size);
85 if(path.isEmpty()) return QPixmap();
91 QString IconLoader::findIconPath(const QString &name, int size) {
92 QString fname = QString("%1.png").arg(name); // we only support PNG so far
93 // First, look for a themed icon... we don't do anything fancy here, only exact match for both name and size
94 foreach(QString basedir, _themedIconDirNames) {
95 QDir sizedir(QString("%1/%2x%2").arg(basedir).arg(QString::number(size)));
96 if(sizedir.exists()) {
97 // ignore context, i.e. scan all subdirs
98 QStringList contextdirs = sizedir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
99 foreach(QString dir, contextdirs) {
100 QString path = QString("%1/%2/%3").arg(sizedir.absolutePath(), dir, fname);
101 if(QFile::exists(path)) return path;
105 // Now check the plain dirs
106 foreach(QString dir, _plainIconDirNames) {
107 QString path = QString("%1/%2").arg(dir, name);
108 if(QFile::exists(path)) return path;