Add `_cmdManager` as a pointer to `ofxPiMapper` root class

- Change the getter to return pointer as well.
 - Update code elsewhere to call methods on `CmdManager` as if it was a pointer.

src/Application/Application.cpp

@@ -36,28 +36,28 @@ void Application::onKeyPressed(ofKeyEventArgs & args){
 
 	switch(args.key){
 	 case '1':
-		 _ofxPiMapper->getCmdManager().exec(
+		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, PresentationState::instance(),
 				 &_ofxPiMapper->getGui(), GuiMode::NONE));
 		 break;
 
 	 case '2':
-		 _ofxPiMapper->getCmdManager().exec(
+		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, TextureMappingState::instance(),
 				 &_ofxPiMapper->getGui(), GuiMode::TEXTURE_MAPPING));
 		 break;
 
 	 case '3':
-		 _ofxPiMapper->getCmdManager().exec(
+		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, ProjectionMappingState::instance(),
 				 &_ofxPiMapper->getGui(), GuiMode::PROJECTION_MAPPING));
 		 break;
 
 	 case '4':
-		 _ofxPiMapper->getCmdManager().exec(
+		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, SourceSelectionState::instance(),
 				 &_ofxPiMapper->getGui(), GuiMode::SOURCE_SELECTION));
@@ -77,7 +77,7 @@ void Application::onKeyPressed(ofKeyEventArgs & args){
 		 break;
 
 	 case 'z':
-		 _ofxPiMapper->getCmdManager().undo();
+		 _ofxPiMapper->getCmdManager()->undo();
 		 break;
 
 	 default:

src/Application/ProjectionMappingState.cpp

@@ -18,7 +18,7 @@ void ProjectionMappingState::onKeyPressed(Application * app, ofKeyEventArgs & ar
 	switch(args.key){
 
 	 case 't':
-		 app->getOfxPiMapper()->getCmdManager().exec(
+		 app->getOfxPiMapper()->getCmdManager()->exec(
 			 new AddSurfaceCmd(
 				 app->getOfxPiMapper(),
 				 SurfaceType::TRIANGLE_SURFACE)
@@ -26,7 +26,7 @@ void ProjectionMappingState::onKeyPressed(Application * app, ofKeyEventArgs & ar
 		 break;
 
 	 case 'q':
-		 app->getOfxPiMapper()->getCmdManager().exec(
+		 app->getOfxPiMapper()->getCmdManager()->exec(
 			 new AddSurfaceCmd(
 				 app->getOfxPiMapper(),
 				 SurfaceType::QUAD_SURFACE)
@@ -34,7 +34,7 @@ void ProjectionMappingState::onKeyPressed(Application * app, ofKeyEventArgs & ar
 		 break;
 
 	 case OF_KEY_BACKSPACE:
-		 app->getOfxPiMapper()->getCmdManager().exec(
+		 app->getOfxPiMapper()->getCmdManager()->exec(
 			 new RmSurfaceCmd(app->getOfxPiMapper()));
 		 break;
 

src/ofxPiMapper.cpp

@@ -3,6 +3,7 @@
 ofxPiMapper::ofxPiMapper(){
 	bShowInfo = false;
 	isSetUp = false;
+	_cmdManager = new ofx::piMapper::CmdManager();
 	_mediaServer = new ofx::piMapper::MediaServer();
 	_info = new ofx::piMapper::Info();
 }
@@ -12,7 +13,7 @@ void ofxPiMapper::setup(){
 
 	surfaceManager.setMediaServer(_mediaServer);
 	gui.setMediaServer(_mediaServer);
-	gui.setCmdManager(&cmdManager);
+	gui.setCmdManager(_cmdManager);
 
 	if(!loadXmlSettings(PIMAPPER_USER_SURFACES_XML_FILE)){
 		ofLogWarning("ofxPiMapper::setup()") << "Failed to load user settings, go with default" << endl;
@@ -53,8 +54,8 @@ bool ofxPiMapper::loadXmlSettings(string fileName){
 	return true;
 }
 
-ofx::piMapper::CmdManager & ofxPiMapper::getCmdManager(){
+ofx::piMapper::CmdManager * ofxPiMapper::getCmdManager(){
-	return cmdManager;
+	return _cmdManager;
 }
 
 ofx::piMapper::SurfaceManagerGui & ofxPiMapper::getGui(){

src/ofxPiMapper.h

@@ -30,16 +30,16 @@ class ofxPiMapper {
 		void registerFboSource(ofx::piMapper::FboSource & fboSource);
 		bool loadXmlSettings(string fileName);
 
-		ofx::piMapper::CmdManager & getCmdManager();
+		ofx::piMapper::CmdManager * getCmdManager();
 		ofx::piMapper::SurfaceManagerGui & getGui();
 		ofx::piMapper::SurfaceManager & getSurfaceManager();
-		ofx::piMapper::CmdManager cmdManager;
 		ofx::piMapper::SurfaceManager surfaceManager;
 		ofx::piMapper::Info * getInfo();
 
 	private:
 		bool isSetUp;
 		bool bShowInfo;
+		ofx::piMapper::CmdManager * _cmdManager;
 		ofx::piMapper::MediaServer * _mediaServer;
 		ofx::piMapper::SurfaceManagerGui gui;
 		ofx::piMapper::Application * _application;