147 lines
4.6 KiB
C++
147 lines
4.6 KiB
C++
#include <QIcon>
|
|
#include <QFile>
|
|
#include <QDir>
|
|
#include <QPointer>
|
|
#include <QApplication>
|
|
|
|
#include "gui/iconthemefactory.h"
|
|
#include "qtsingleapplication/qtsingleapplication.h"
|
|
#include "core/settings.h"
|
|
#include "core/defs.h"
|
|
|
|
|
|
QPointer<IconThemeFactory> IconThemeFactory::s_instance;
|
|
QEvent::Type IconThemeFactoryEvent::m_typeOfEvent = QEvent::None;
|
|
|
|
//
|
|
// ThemeFactoryEvent class
|
|
//
|
|
|
|
IconThemeFactoryEvent::IconThemeFactoryEvent() : QEvent(IconThemeFactoryEvent::type()) {
|
|
}
|
|
|
|
IconThemeFactoryEvent::~IconThemeFactoryEvent() {
|
|
qDebug("Destroying IconThemeFactoryEvent.");
|
|
}
|
|
|
|
QEvent::Type IconThemeFactoryEvent::type() {
|
|
if (m_typeOfEvent == QEvent::None) {
|
|
m_typeOfEvent = static_cast<QEvent::Type>(QEvent::registerEventType(2000));
|
|
}
|
|
|
|
return m_typeOfEvent;
|
|
}
|
|
|
|
|
|
//
|
|
// ThemeFactory class
|
|
//
|
|
|
|
IconThemeFactory::IconThemeFactory(QObject *parent)
|
|
: QObject(parent), m_currentIconTheme(APP_THEME_SYSTEM) {
|
|
}
|
|
|
|
IconThemeFactory::~IconThemeFactory() {
|
|
qDebug("Destroying IconThemeFactory instance.");
|
|
}
|
|
|
|
IconThemeFactory *IconThemeFactory::getInstance() {
|
|
if (s_instance.isNull()) {
|
|
s_instance = new IconThemeFactory(qApp);
|
|
}
|
|
|
|
return s_instance;
|
|
}
|
|
|
|
void IconThemeFactory::setupSearchPaths() {
|
|
QIcon::setThemeSearchPaths(QIcon::themeSearchPaths() << APP_THEME_PATH_QRC << APP_THEME_PATH);
|
|
qDebug("Available icon theme paths: %s.",
|
|
qPrintable(QIcon::themeSearchPaths().join(", ")));
|
|
}
|
|
|
|
QString IconThemeFactory::getCurrentIconTheme() {
|
|
return m_currentIconTheme;
|
|
}
|
|
|
|
QIcon IconThemeFactory::fromTheme(const QString &name, const QIcon &fallback) {
|
|
return QIcon::fromTheme(name, fallback);
|
|
}
|
|
|
|
void IconThemeFactory::setCurrentIconTheme(const QString &theme_name) {
|
|
Settings::getInstance()->setValue(APP_CFG_GUI,
|
|
"icon_theme",
|
|
theme_name);
|
|
loadCurrentIconTheme(true);
|
|
}
|
|
|
|
void IconThemeFactory::loadCurrentIconTheme(bool notify_widgets) {
|
|
QStringList installed_themes = getInstalledIconThemes();
|
|
QString theme_name_from_settings = Settings::getInstance()->value(APP_CFG_GUI,
|
|
"icon_theme",
|
|
"mini-kfaenza").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(installed_themes.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));
|
|
QIcon::setThemeName(theme_name_from_settings);
|
|
m_currentIconTheme = theme_name_from_settings;
|
|
}
|
|
else {
|
|
// Desired icon theme is not currently available.
|
|
// Install "default" icon theme instead.
|
|
// NOTE: "Default" icon theme is:
|
|
// a) system icon theme on Linux,
|
|
// b) no icon theme on other platforms.
|
|
qDebug("Icon theme '%s' cannot be loaded because it is not installed. Loading 'default' theme.",
|
|
qPrintable(theme_name_from_settings));
|
|
QIcon::setThemeName(APP_THEME_SYSTEM);
|
|
m_currentIconTheme = APP_THEME_SYSTEM;
|
|
}
|
|
|
|
// We need to deliver custom event for all widgets
|
|
// to make sure they get a chance to setup their icons.
|
|
if (notify_widgets) {
|
|
foreach (QWidget *widget, QtSingleApplication::allWidgets()) {
|
|
QtSingleApplication::postEvent((QObject*) widget,
|
|
new IconThemeFactoryEvent());
|
|
}
|
|
}
|
|
}
|
|
|
|
QStringList IconThemeFactory::getInstalledIconThemes() {
|
|
QStringList icon_theme_names;
|
|
icon_theme_names << APP_THEME_SYSTEM;
|
|
|
|
// Iterate all directories with icon themes.
|
|
QStringList icon_themes_paths = QIcon::themeSearchPaths();
|
|
icon_themes_paths.removeDuplicates();
|
|
|
|
foreach (QString icon_path, icon_themes_paths) {
|
|
QDir icon_dir(icon_path);
|
|
|
|
// Iterate all icon themes in this directory.
|
|
foreach (QString icon_theme_path, icon_dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot |
|
|
QDir::Readable | QDir::CaseSensitive |
|
|
QDir::NoSymLinks,
|
|
QDir::Time)) {
|
|
// Check if index.theme file in this path exists.
|
|
if (QFile::exists(icon_dir.path() + "/" + icon_theme_path + "/index.theme")) {
|
|
icon_theme_names << icon_theme_path;
|
|
}
|
|
}
|
|
}
|
|
|
|
icon_theme_names.removeDuplicates();
|
|
return icon_theme_names;
|
|
}
|