+#if QT_VERSION >= 0x050000
+ if (!_iconThemePath.isEmpty()) {
+ QDir baseDir{_iconThemePath + "/hicolor"};
+ baseDir.removeRecursively();
+ for (auto &&trayState : { State::Active, State::Passive, State::NeedsAttention }) {
+ auto iconName = SystemTray::iconName(trayState);
+ QIcon icon = icon::get(iconName);
+ if (!icon.isNull()) {
+ for (auto &&size : icon.availableSizes()) {
+ auto pixDir = QString{"%1/%2x%3/status"}.arg(baseDir.absolutePath()).arg(size.width()).arg(size.height());
+ QDir{}.mkpath(pixDir);
+ if (!icon.pixmap(size).save(pixDir + "/" + iconName + ".png")) {
+ qWarning() << "Could not save tray icon" << iconName << "for size" << size;
+ }
+ }
+ }
+ else {
+ // No theme icon found; use fallback from resources
+ auto iconDir = QString{"%1/24x24/status"}.arg(baseDir.absolutePath());
+ QDir{}.mkpath(iconDir);
+ if (!QFile::copy(QString{":/icons/hicolor/24x24/status/%1.svg"}.arg(iconName),
+ QString{"%1/%2.svg"}.arg(iconDir, iconName))) {
+ qWarning() << "Could not access fallback tray icon" << iconName;
+ continue;
+ }
+ }
+ }