Improved behavior when escape is pressed in a device config screen

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5362 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/states_screens/options_screen_input2.cpp

@@ -417,3 +417,12 @@ void OptionsScreenInput2::unloaded()
 {
 }
 
+// -----------------------------------------------------------------------------
+
+bool OptionsScreenInput2::onEscapePressed()
+{
+    StateManager::get()->replaceTopMostScreen(OptionsScreenInput::getInstance());
+    return false; // don't use standard escape key handler, we handled it differently
+}
+
+// -----------------------------------------------------------------------------

src/states_screens/options_screen_input2.hpp

@@ -63,6 +63,9 @@ public:
     /** \brief implement callback from parent class GUIEngine::Screen */
     virtual void tearDown();
     
+    /** \brief implement optional callback from parent class GUIEngine::Screen */
+    virtual bool onEscapePressed();
+
     /**
       * \brief invoke in "input sensing" mode, when input was sensed.
       * Updates the input bindings accordingly with the sensed input.