Qt: now that you don't control the controls size anymore, be careful to resize...

Qt: now that you don't control the controls size anymore, be careful to resize the controller when buttons show up.

Close #2487.

modules/gui/qt4/components/controller.cpp

@@ -479,6 +479,8 @@ QFrame *AbstractController::discFrame()
             sectionNext() );
     CONNECT( menuButton, clicked(), THEMIM->getIM(),
             sectionMenu() );
+    connect( THEMIM->getIM(), SIGNAL( titleChanged( bool ) ),
+             this, SIGNAL( sizeChanged() ) );
 
     return discFrame;
 }

modules/gui/qt4/components/controller.hpp

@@ -163,6 +163,7 @@ signals:
     void inputPlaying( bool ); /// This might be usefull in the IM ?
     void inputIsRecordable( bool ); /// same ?
     void inputIsTrickPlayable( bool ); /// same ?
+    void sizeChanged();
 };
 
 /* Advanced Button Bar */

modules/gui/qt4/main_interface.cpp

@@ -426,6 +426,8 @@ void MainInterface::handleMainUi( QSettings *settings )
                    settings->value( "adv-controls", false ).toBool(), this );
     CONNECT( controls, advancedControlsToggled( bool ),
              this, doComponentsUpdate() );
+    CONNECT( controls, sizeChanged(),
+             this, doComponentsUpdate() );
     inputC = new InputControlsWidget( p_intf, this );
 
         /* Visualisation */