[Backend] Add toggle stats.

src/MpvPlayerBackend.cpp

@@ -163,7 +163,6 @@ MpvPlayerBackend::on_update(void* ctx)
   emit self->onUpdate();
 }
 
-// connected to onUpdate(); signal makes sure it runs on the GUI thread
 void
 MpvPlayerBackend::doUpdate()
 {
@@ -322,6 +321,12 @@ MpvPlayerBackend::toggleOnTop()
   AlwaysOnTop(window()->winId(), onTop);
 }
 
+void
+MpvPlayerBackend::toggleStats()
+{
+  command(QVariantList() << "script-binding" << "stats/display-stats-toggle");
+}
+
 void
 MpvPlayerBackend::addSpeed(const QVariant& speed)
 {

src/MpvPlayerBackend.h

@@ -37,6 +37,7 @@ public slots:
   void prevPlaylistItem();
   void nextPlaylistItem();
   void toggleOnTop();
+  void toggleStats();
   void updateDurationStringText();
   QVariant getTracks() const;
   void updatePrev(const QVariant& val);

src/qml/main.qml

@@ -665,8 +665,7 @@ ApplicationWindow {
                 Action {
                     text: translate.getTranslation("STATS", i18n.language)
                     onTriggered: {
-                        player.command(
+                        player.toggleStats()
-                                    ["script-binding", "stats/display-stats-toggle"])
                     }
                     shortcut: keybinds.statsForNerds
                 }