+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
-**
-****************************************************************************/
-
-
-#include "qticonloader.h"
-#include <QtGui/QPixmapCache>
-
-#include <QtCore/QList>
-#include <QtCore/QHash>
-#include <QtCore/QDir>
-#include <QtCore/QString>
-#include <QtCore/QLibrary>
-#include <QtCore/QSettings>
-#include <QtCore/QTextStream>
-#ifndef Q_WS_X11
-#include "extra.h"
-#endif
-
-#ifdef Q_WS_X11
-
-class QIconTheme
-{
-public:
- QIconTheme(QHash <int, QString> dirList, QStringList parents) :
- _dirList(dirList), _parents(parents), _valid(true){ }
- QIconTheme() : _valid(false){ }
- QHash <int, QString> dirList() {return _dirList;}
- QStringList parents() {return _parents;}
- bool isValid() {return _valid;}
-
-private:
- QHash <int, QString> _dirList;
- QStringList _parents;
- bool _valid;
-};
-
-class QtIconLoaderImplementation
-{
-public:
- QtIconLoaderImplementation();
- QPixmap findIcon(int size, const QString &name) const;
-
-private:
- QIconTheme parseIndexFile(const QString &themeName) const;
- void lookupIconTheme() const;
- QPixmap findIconHelper(int size,
- const QString &themeName,
- const QString &iconName,
- QStringList &visited) const;
- mutable QString themeName;
- mutable QStringList iconDirs;
- mutable QHash <QString, QIconTheme> themeList;
-};
-
-Q_GLOBAL_STATIC(QtIconLoaderImplementation, iconLoaderInstance)
-#endif
-
- /*!
-
- Returns the standard icon for the given icon /a name
- as specified in the freedesktop icon spec
- http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html
-
- /a fallback is an optional argument to specify the icon to be used if
- no icon is found on the platform. This is particularily useful for
- crossplatform code.
-
-*/
- QIcon QtIconLoader::icon(const QString &name)
-{
- QIcon icon;
-
-#ifdef Q_WS_X11
-#if QT_VERSION < 0x040600
- QString pngExtension(QLatin1String(".png"));
- QList<int> iconSizes;
- iconSizes << 16 << 22 << 24 << 32 << 48;
- Q_FOREACH (int size, iconSizes) {
- icon.addPixmap(iconLoaderInstance()->findIcon(size, name));
- }
-#else
- icon = QIcon::fromTheme(name);
-#endif
-#else
- icon = Extra::getIcon(name);
-#endif
-
- return icon;
-}
-
-#ifdef Q_WS_X11
-
-QtIconLoaderImplementation::QtIconLoaderImplementation()
-{
- lookupIconTheme();
-}
-
-extern "C" {
- struct GConfClient;
- struct GError;
- typedef void (*Ptr_g_type_init)();
- typedef GConfClient* (*Ptr_gconf_client_get_default)();
- typedef char* (*Ptr_gconf_client_get_string)(GConfClient*, const char*, GError **);
- typedef void (*Ptr_g_object_unref)(void *);
- typedef void (*Ptr_g_error_free)(GError *);
- typedef void (*Ptr_g_free)(void*);
- static Ptr_g_type_init p_g_type_init = 0;
- static Ptr_gconf_client_get_default p_gconf_client_get_default = 0;
- static Ptr_gconf_client_get_string p_gconf_client_get_string = 0;
- static Ptr_g_object_unref p_g_object_unref = 0;
- static Ptr_g_error_free p_g_error_free = 0;
- static Ptr_g_free p_g_free = 0;
-}
-
-
-static int kdeVersion()
-{
- static int version = qgetenv("KDE_SESSION_VERSION").toInt();
- return version;
-}
-
-static QString kdeHome()
-{
- static QString kdeHomePath;
- if (kdeHomePath.isEmpty()) {
- kdeHomePath = QFile::decodeName(qgetenv("KDEHOME"));
- if (kdeHomePath.isEmpty()) {
- int kdeSessionVersion = kdeVersion();
- QDir homeDir(QDir::homePath());
- QString kdeConfDir(QLatin1String("/.kde"));
- if (4 == kdeSessionVersion && homeDir.exists(QLatin1String(".kde4")))
- kdeConfDir = QLatin1String("/.kde4");
- kdeHomePath = QDir::homePath() + kdeConfDir;
- }
- }
- return kdeHomePath;
-}
-
-void QtIconLoaderImplementation::lookupIconTheme() const
-{
-
-#ifdef Q_WS_X11
- QString dataDirs = QFile::decodeName(getenv("XDG_DATA_DIRS"));
- if (dataDirs.isEmpty())
- dataDirs = QLatin1String("/usr/local/share/:/usr/share/");
-
- dataDirs.prepend(QDir::homePath() + QLatin1String("/:"));
- iconDirs = dataDirs.split(QLatin1Char(':'));
-
- // If we are running GNOME we resolve and use GConf. In all other
- // cases we currently use the KDE icon theme
-
- if (qgetenv("DESKTOP_SESSION") == "gnome" ||
- !qgetenv("GNOME_DESKTOP_SESSION_ID").isEmpty()) {
-
- if (themeName.isEmpty()) {
- // Resolve glib and gconf
-
- p_g_type_init = (Ptr_g_type_init)QLibrary::resolve(QLatin1String("gobject-2.0"), 0, "g_type_init");
- p_gconf_client_get_default = (Ptr_gconf_client_get_default)QLibrary::resolve(QLatin1String("gconf-2"), 4, "gconf_client_get_default");
- p_gconf_client_get_string = (Ptr_gconf_client_get_string)QLibrary::resolve(QLatin1String("gconf-2"), 4, "gconf_client_get_string");
- p_g_object_unref = (Ptr_g_object_unref)QLibrary::resolve(QLatin1String("gobject-2.0"), 0, "g_object_unref");
- p_g_error_free = (Ptr_g_error_free)QLibrary::resolve(QLatin1String("glib-2.0"), 0, "g_error_free");
- p_g_free = (Ptr_g_free)QLibrary::resolve(QLatin1String("glib-2.0"), 0, "g_free");
-
- if (p_g_type_init && p_gconf_client_get_default &&
- p_gconf_client_get_string && p_g_object_unref &&
- p_g_error_free && p_g_free) {
-
- p_g_type_init();
- GConfClient* client = p_gconf_client_get_default();
- GError *err = 0;
-
- char *str = p_gconf_client_get_string(client, "/desktop/gnome/interface/icon_theme", &err);
- if (!err) {
- themeName = QString::fromUtf8(str);
- p_g_free(str);
- }
-
- p_g_object_unref(client);
- if (err)
- p_g_error_free (err);
- }
- if (themeName.isEmpty())
- themeName = QLatin1String("gnome");
- }
-
- if (!themeName.isEmpty())
- return;
- }
-
- // KDE (and others)
- if (dataDirs.isEmpty())
- dataDirs = QLatin1String("/usr/local/share/:/usr/share/");
-
- dataDirs += QLatin1Char(':') + kdeHome() + QLatin1String("/share");
- dataDirs.prepend(QDir::homePath() + QLatin1String("/:"));
- QStringList kdeDirs = QFile::decodeName(getenv("KDEDIRS")).split(QLatin1Char(':'));
- Q_FOREACH (const QString dirName, kdeDirs)
- dataDirs.append(QLatin1Char(':') + dirName + QLatin1String("/share"));
- iconDirs = dataDirs.split(QLatin1Char(':'));
-
- QFileInfo fileInfo(QLatin1String("/usr/share/icons/default.kde"));
- QDir dir(fileInfo.canonicalFilePath());
- QString kdeDefault = kdeVersion() >= 4 ? QString::fromLatin1("oxygen") : QString::fromLatin1("crystalsvg");
- QString defaultTheme = fileInfo.exists() ? dir.dirName() : kdeDefault;
- QSettings settings(kdeHome() + QLatin1String("/share/config/kdeglobals"), QSettings::IniFormat);
- settings.beginGroup(QLatin1String("Icons"));
- themeName = settings.value(QLatin1String("Theme"), defaultTheme).toString();
-#endif
-}
-
-QIconTheme QtIconLoaderImplementation::parseIndexFile(const QString &themeName) const
-{
- QIconTheme theme;
- QFile themeIndex;
- QStringList parents;
- QHash <int, QString> dirList;
-
- for ( int i = 0 ; i < iconDirs.size() && !themeIndex.exists() ; ++i) {
- const QString &contentDir = QLatin1String(iconDirs[i].startsWith(QDir::homePath()) ? "/.icons/" : "/icons/");
- themeIndex.setFileName(iconDirs[i] + contentDir + themeName + QLatin1String("/index.theme"));
- }
-
- if (themeIndex.exists()) {
- QSettings indexReader(themeIndex.fileName(), QSettings::IniFormat);
- Q_FOREACH (const QString &key, indexReader.allKeys()) {
- if (key.endsWith("/Size")) {
- if (int size = indexReader.value(key).toInt())
- dirList.insertMulti(size, key.left(key.size() - 5));
- }
- }
-
- // Parent themes provide fallbacks for missing icons
- // parents = indexReader.value(QLatin1String("Icon Theme/Inherits")).toString().split(QLatin1Char(','));
- parents = indexReader.value(QLatin1String("Icon Theme/Inherits")).toStringList();
-
-
- }
-
- if (kdeVersion() >= 3) {
- QFileInfo fileInfo(QLatin1String("/usr/share/icons/default.kde"));
- QDir dir(fileInfo.canonicalFilePath());
- QString defaultKDETheme = dir.exists() ? dir.dirName() : kdeVersion() == 3 ?
- QString::fromLatin1("crystalsvg") : QString::fromLatin1("oxygen");
- if (!parents.contains(defaultKDETheme) && themeName != defaultKDETheme)
- parents.append(defaultKDETheme);
- } else if (parents.isEmpty() && themeName != QLatin1String("hicolor")) {
- parents.append(QLatin1String("hicolor"));
- }
-
- theme = QIconTheme(dirList, parents);
- return theme;
-}
-
-QPixmap QtIconLoaderImplementation::findIconHelper(int size, const QString &themeName,
- const QString &iconName, QStringList &visited) const
-{
- QPixmap pixmap;
-
- if (!themeName.isEmpty()) {
- visited << themeName;
- QIconTheme theme = themeList.value(themeName);
-
- if (!theme.isValid()) {
- theme = parseIndexFile(themeName);
- themeList.insert(themeName, theme);
- }
-
- if (!theme.isValid())
- return QPixmap();
-
- QList <QString> subDirs = theme.dirList().values(size);
-
- for ( int i = 0 ; i < iconDirs.size() ; ++i) {
- for ( int j = 0 ; j < subDirs.size() ; ++j) {
- QString contentDir = (iconDirs[i].startsWith(QDir::homePath())) ?
- QLatin1String("/.icons/") : QLatin1String("/icons/");
- QString fileName = iconDirs[i] + contentDir + themeName + QLatin1Char('/') + subDirs[j] + QLatin1Char('/') + iconName;
-
- QString svgExtension(QLatin1String(".svg"));
- QString svgFilename = fileName + svgExtension;
- QFile svgFile(svgFilename);
- if (false && svgFile.exists()) {
- // qDebug() << "Found svg";
- pixmap.load(svgFilename);
- } else {
- QString pngExtension(QLatin1String(".png"));
- QString pngFilename = fileName + pngExtension;
- QFile pngFile(pngFilename);
- if (pngFile.exists()) {
- // qDebug() << "Found png";
- pixmap.load(pngFilename);
- }
- }
-
- if (!pixmap.isNull())
- break;
- }
- }
-
- if (pixmap.isNull()) {
- QStringList parents = theme.parents();
- //search recursively through inherited themes
- for (int i = 0 ; pixmap.isNull() && i < parents.size() ; ++i) {
- QString parentTheme = parents[i].trimmed();
- if (!visited.contains(parentTheme)) //guard against endless recursion
- pixmap = findIconHelper(size, parentTheme, iconName, visited);
- }
- }
- }
- return pixmap;
-}
-
-QPixmap QtIconLoaderImplementation::findIcon(int size, const QString &name) const
-{
- QPixmap pixmap;
- QString pixmapName = QLatin1String("$qt") + name + QString::number(size);
- if (QPixmapCache::find(pixmapName, pixmap))
- return pixmap;
-
- if (!themeName.isEmpty()) {
- QStringList visited;
- pixmap = findIconHelper(size, themeName, name, visited);
- }
- QPixmapCache::insert(pixmapName, pixmap);
- return pixmap;
-}
-#endif //Q_WS_X11
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