Add shift key handling in `Application`

src/Application/Application.cpp

@@ -12,6 +12,7 @@ Application::Application(){
 	
 	setState(PresentationState::instance());
 	ofAddListener(ofEvents().keyPressed, this, &Application::onKeyPressed);
+	ofAddListener(ofEvents().keyReleased, this, &Application::onKeyReleased);
 }
 
 void Application::setup(){
@@ -39,6 +40,10 @@ void Application::onKeyPressed(ofKeyEventArgs & args){
 	// before it is completely ported to the state system.
 
 	switch(args.key){
+	 case OF_KEY_SHIFT:
+		 _shiftKeyDown = true;
+		 break;
+		 
 	 case '1':
 		 _cmdManager.exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
@@ -91,6 +96,12 @@ void Application::onKeyPressed(ofKeyEventArgs & args){
 	}
 }
 
+void Application::onKeyReleased(ofKeyEventArgs & args){
+	if(args.key == OF_KEY_SHIFT){
+		_shiftKeyDown = false;
+	}
+}
+
 void Application::addFboSource(FboSource & fboSource){
 	_mediaServer.addFboSource(fboSource);
 }
@@ -99,6 +110,10 @@ void Application::setState(ApplicationBaseState * st){
 	_state = st;
 }
 
+bool Application::isShiftKeyDown(){
+	return _shiftKeyDown;
+}
+
 bool Application::loadXmlSettings(string fileName){
 	if(!ofFile::doesFileExist(fileName)){
 		ofLogError("Application::loadXmlSettings()") << fileName << " does not exist";

src/Application/Application.h

@@ -36,17 +36,19 @@ class Application {
 		void setup();
 		void draw();
 		void onKeyPressed(ofKeyEventArgs & args);
+		void onKeyReleased(ofKeyEventArgs & args);
 		void addFboSource(FboSource & fboSource);
 	
 		bool loadXmlSettings(string fileName);
+		bool isShiftKeyDown();
 	
 		SurfaceManagerGui * getGui(){ return &_gui; };
 		SurfaceManager * getSurfaceManager(){ return &_surfaceManager; };
 		CmdManager * getCmdManager(){ return &_cmdManager; };
-
+	
 	protected:
 		void setState(ApplicationBaseState * st);
-
+	
 	private:
 		friend class ApplicationBaseState;
 		friend class SetApplicationStateCmd;
@@ -58,6 +60,8 @@ class Application {
 		MediaServer _mediaServer;
 		SurfaceManager _surfaceManager;
 		Info _info;
+	
+		bool _shiftKeyDown;
 
 };