Qt: really close ExtensionDialog when user presses ESC

modules/gui/qt4/dialogs/extensions.cpp

@@ -38,6 +38,7 @@
 #include <QComboBox>
 #include <QCloseEvent>
 #include <QCoreApplication>
+#include <QKeyEvent>
 #include "util/customwidgets.hpp"
 
 ExtensionsDialogProvider *ExtensionsDialogProvider::instance = NULL;
@@ -681,6 +682,21 @@ void ExtensionDialog::closeEvent( QCloseEvent *event )
     extension_DialogClosed( p_dialog );
 }
 
+/** Grab some keyboard input (ESC, ...) and handle actions manually */
+void ExtensionDialog::keyPressEvent( QKeyEvent *event )
+{
+    assert( p_dialog != NULL );
+    switch( event->key() )
+    {
+    case Qt::Key_Escape:
+        close();
+        return;
+    default:
+        QDialog::keyPressEvent( event );
+        return;
+    }
+}
+
 void ExtensionDialog::parentDestroyed()
 {
     msg_Dbg( p_intf, "About to destroy dialog '%s'", p_dialog->psz_title );

modules/gui/qt4/dialogs/extensions.hpp

@@ -34,6 +34,7 @@ class QObject;
 class QGridLayout;
 class QSignalMapper;
 class QCloseEvent;
+class QKeyEvent;
 
 class ExtensionsDialogProvider;
 class ExtensionDialog;
@@ -106,6 +107,7 @@ private:
 
 protected:
     virtual void closeEvent( QCloseEvent* );
+    virtual void keyPressEvent( QKeyEvent* );
 
 private slots:
     int TriggerClick( QObject *object );