added a refresh game directory option to the file menu

src/citra_qt/main.cpp

@@ -230,6 +230,8 @@ void GMainWindow::ConnectWidgetEvents() {
     connect(ui.action_Load_Symbol_Map, SIGNAL(triggered()), this, SLOT(OnMenuLoadSymbolMap()));
     connect(ui.action_Select_Game_List_Root, SIGNAL(triggered()), this,
             SLOT(OnMenuSelectGameListRoot()));
+    connect(ui.action_Refresh_Game_Directory, SIGNAL(triggered()), this,
+            SLOT(OnMenuRefreshGameDirectory()));
     connect(ui.action_Start, SIGNAL(triggered()), this, SLOT(OnStartGame()));
     connect(ui.action_Pause, SIGNAL(triggered()), this, SLOT(OnPauseGame()));
     connect(ui.action_Stop, SIGNAL(triggered()), this, SLOT(OnStopGame()));
@@ -493,6 +495,11 @@ void GMainWindow::OnMenuSelectGameListRoot() {
         game_list->PopulateAsync(dir_path, UISettings::values.gamedir_deepscan);
     }
 }
+void GMainWindow::OnMenuRefreshGameDirectory() {
+    if (!UISettings::values.gamedir.isEmpty()) {
+        game_list->PopulateAsync(UISettings::values.gamedir, UISettings::values.gamedir_deepscan);
+    }
+}
 
 void GMainWindow::OnMenuRecentFile() {
     QAction* action = qobject_cast<QAction*>(sender());

src/citra_qt/main.h

@@ -123,6 +123,7 @@ private slots:
     void OnMenuLoadSymbolMap();
     /// Called whenever a user selects the "File->Select Game List Root" menu item
     void OnMenuSelectGameListRoot();
+    void OnMenuRefreshGameDirectory();
     void OnMenuRecentFile();
     void OnSwapScreens();
     void OnConfigure();

src/citra_qt/main.ui

@@ -61,6 +61,7 @@
     <addaction name="action_Load_Symbol_Map"/>
     <addaction name="separator"/>
     <addaction name="action_Select_Game_List_Root"/>
+    <addaction name="action_Refresh_Game_Directory"/>
     <addaction name="menu_recent_files"/>
     <addaction name="separator"/>
     <addaction name="action_Exit"/>
@@ -167,6 +168,11 @@
     <string>Selects a folder to display in the game list</string>
    </property>
   </action>
+  <action name="action_Refresh_Game_Directory">
+   <property name="text">
+    <string>Refresh Game Directory</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections>