[escher] Get rid of ViewController::getKeyEvent

Change-Id: Ic7c5805afd984fbe595304ee379ce9372aeed4ab

escher/include/escher/stack_view_controller.h

@@ -16,7 +16,6 @@ public:
 
 
   View * view() override;
-  void handleKeyEvent(int key) override;
   const char * title() const override;
   bool handleEvent(Ion::Events::Event event) override;
 private:

escher/include/escher/tab_view_controller.h

@@ -9,7 +9,6 @@ public:
   TabViewController(Responder * parentResponder, ViewController * one, ViewController * two);
   //TabViewController(ViewController ** children, uint8_t numberOfChildren);
   View * view() override;
-  void handleKeyEvent(int key) override;
 
   void setActiveTab(uint8_t index);
   uint8_t numberOfTabs();

escher/include/escher/view_controller.h

@@ -18,7 +18,6 @@ class ViewController : public Responder {
 public:
   ViewController(Responder * parentResponder);
   virtual const char * title() const;
-  virtual void handleKeyEvent(int key);
   virtual View * view() = 0;
 };
 

escher/src/stack_view_controller.cpp

@@ -100,11 +100,6 @@ void StackViewController::setupActiveViewController() {
   app()->focus(vc);
 }
 
-void StackViewController::handleKeyEvent(int key) {
-  // Switch tabs!
-}
-
-
 bool StackViewController::handleEvent(Ion::Events::Event event) {
   if (event == Ion::Events::Event::ESC && m_numberOfChildren > 1) {
     pop();

escher/src/tab_view_controller.cpp

@@ -123,10 +123,6 @@ View * TabViewController::view() {
   return &m_view;
 }
 
-void TabViewController::handleKeyEvent(int key) {
-  // Switch tabs!
-}
-
 uint8_t TabViewController::numberOfTabs() {
   return m_numberOfChildren;
 }

escher/src/view_controller.cpp

@@ -8,7 +8,3 @@ ViewController::ViewController(Responder * parentResponder) :
 const char * ViewController::title() const {
   return nullptr;
 }
-
-void ViewController::handleKeyEvent(int key) {
-  // Do nothing
-}