+
+void QtUi::useSystemTrayChanged(const QVariant &v)
+{
+ _useSystemTray = v.toBool();
+ SystemTray *tray = mainWindow()->systemTray();
+ if (_useSystemTray) {
+ if (tray->isSystemTrayAvailable())
+ tray->setVisible(true);
+ }
+ else {
+ if (tray->isSystemTrayAvailable() && mainWindow()->isVisible())
+ tray->setVisible(false);
+ }
+}
+
+
+bool QtUi::haveSystemTray()
+{
+ return mainWindow()->systemTray()->isSystemTrayAvailable() && instance()->_useSystemTray;
+}
+
+
+bool QtUi::isHidingMainWidgetAllowed() const
+{
+ return haveSystemTray();
+}
+
+
+void QtUi::minimizeRestore(bool show)
+{
+ SystemTray *tray = mainWindow()->systemTray();
+ if (show) {
+ if (tray && !_useSystemTray)
+ tray->setVisible(false);
+ }
+ else {
+ if (tray && _useSystemTray)
+ tray->setVisible(true);
+ }
+ GraphicalUi::minimizeRestore(show);