rssguard/src/gui/iconthemefactory.cpp
2014-01-15 21:51:54 +01:00

106 lines
3.4 KiB
C++
Executable File

#include "gui/iconthemefactory.h"
#include "core/defs.h"
#include "core/settings.h"
#include "qtsingleapplication/qtsingleapplication.h"
#include <QIcon>
#include <QFile>
#include <QPointer>
#include <QApplication>
#include <QHash>
QPointer<IconThemeFactory> IconThemeFactory::s_instance;
IconThemeFactory::IconThemeFactory(QObject *parent)
: QObject(parent) {
}
IconThemeFactory::~IconThemeFactory() {
qDebug("Destroying IconThemeFactory instance.");
}
IconThemeFactory *IconThemeFactory::instance() {
if (s_instance.isNull()) {
s_instance = new IconThemeFactory(qApp);
}
return s_instance;
}
void IconThemeFactory::setupSearchPaths() {
QIcon::setThemeSearchPaths(QStringList() << APP_THEME_PATH);
qDebug("Available icon theme paths: %s.",
qPrintable(QIcon::themeSearchPaths().replaceInStrings(QRegExp("^|$"),
"\'").join(", ")));
}
QString IconThemeFactory::currentIconTheme() {
return m_currentIconTheme;
}
void IconThemeFactory::setCurrentIconTheme(const QString &theme_name) {
Settings::instance()->setValue(APP_CFG_GUI,
"icon_theme",
theme_name);
}
void IconThemeFactory::loadCurrentIconTheme() {
QStringList installed_themes = installedIconThemes();
QString theme_name_from_settings = Settings::instance()->value(APP_CFG_GUI,
"icon_theme",
APP_THEME_DEFAULT).toString();
if (m_currentIconTheme == theme_name_from_settings) {
qDebug("Icon theme '%s' already loaded.",
qPrintable(theme_name_from_settings));
return;
}
// Display list of installed themes.
qDebug("Installed icon themes are: %s.",
qPrintable(QStringList(installed_themes).replaceInStrings(QRegExp("^|$"),
"\'").join(", ")));
if (installed_themes.contains(theme_name_from_settings)) {
// Desired icon theme is installed and can be loaded.
qDebug("Loading icon theme '%s'.", qPrintable(theme_name_from_settings));
m_currentIconTheme = theme_name_from_settings;
}
else {
// Desired icon theme is not currently available.
// Install "default" icon theme instead.
qDebug("Icon theme '%s' cannot be loaded because it is not installed. "
"No icon theme is loaded now.",
qPrintable(theme_name_from_settings));
m_currentIconTheme = APP_NO_THEME;
}
}
QStringList IconThemeFactory::installedIconThemes() {
QStringList icon_theme_names;
icon_theme_names << APP_NO_THEME;
// Iterate all directories with icon themes.
QStringList icon_themes_paths = QIcon::themeSearchPaths();
icon_themes_paths.removeDuplicates();
foreach (const QString &icon_path, icon_themes_paths) {
QDir icon_dir(icon_path);
// Iterate all icon themes in this directory.
foreach (const QString &icon_theme_path, icon_dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot |
QDir::Readable | QDir::CaseSensitive |
QDir::NoSymLinks,
QDir::Time)) {
icon_theme_names << icon_theme_path;
}
}
icon_theme_names.removeDuplicates();
return icon_theme_names;
}