Add `SurfaceManagerGui` as pointer in `ofxPiMapper` class

Update the rest of the code to treat it as a pointer.

src/Application/Application.cpp

@@ -39,28 +39,28 @@ void Application::onKeyPressed(ofKeyEventArgs & args){
 		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, PresentationState::instance(),
-				 &_ofxPiMapper->getGui(), GuiMode::NONE));
+				 _ofxPiMapper->getGui(), GuiMode::NONE));
 		 break;
 
 	 case '2':
 		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, TextureMappingState::instance(),
-				 &_ofxPiMapper->getGui(), GuiMode::TEXTURE_MAPPING));
+				 _ofxPiMapper->getGui(), GuiMode::TEXTURE_MAPPING));
 		 break;
 
 	 case '3':
 		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, ProjectionMappingState::instance(),
-				 &_ofxPiMapper->getGui(), GuiMode::PROJECTION_MAPPING));
+				 _ofxPiMapper->getGui(), GuiMode::PROJECTION_MAPPING));
 		 break;
 
 	 case '4':
 		 _ofxPiMapper->getCmdManager()->exec(
 			 new ofx::piMapper::SetApplicationStateCmd(
 				 this, SourceSelectionState::instance(),
-				 &_ofxPiMapper->getGui(), GuiMode::SOURCE_SELECTION));
+				 _ofxPiMapper->getGui(), GuiMode::SOURCE_SELECTION));
 		 break;
 
 	 case 'f':

src/ofxPiMapper.cpp

@@ -3,6 +3,7 @@
 ofxPiMapper::ofxPiMapper(){
 	bShowInfo = false;
 	isSetUp = false;
+	_gui = new ofx::piMapper::SurfaceManagerGui();
 	_cmdManager = new ofx::piMapper::CmdManager();
 	_mediaServer = new ofx::piMapper::MediaServer();
 	_info = new ofx::piMapper::Info();
@@ -12,8 +13,8 @@ void ofxPiMapper::setup(){
 	ofLogNotice("ofxPiMapper") << "Setting up...";
 
 	surfaceManager.setMediaServer(_mediaServer);
-	gui.setMediaServer(_mediaServer);
-	gui.setCmdManager(_cmdManager);
+	_gui->setMediaServer(_mediaServer);
+	_gui->setCmdManager(_cmdManager);
 
 	if(!loadXmlSettings(PIMAPPER_USER_SURFACES_XML_FILE)){
 		ofLogWarning("ofxPiMapper::setup()") << "Failed to load user settings, go with default" << endl;
@@ -23,7 +24,7 @@ void ofxPiMapper::setup(){
 		}
 	}
 
-	gui.setSurfaceManager(&surfaceManager);
+	_gui->setSurfaceManager(&surfaceManager);
 	isSetUp = true;
 	ofLogNotice("ofxPiMapper") << "Done setting up";
 	_application = new ofx::piMapper::Application(this);
@@ -33,7 +34,7 @@ void ofxPiMapper::draw(){
 	if(!isSetUp){
 		return;
 	}
-	gui.draw();
+	_gui->draw();
 	_application->draw();
 	_info->draw();
 }
@@ -58,8 +59,8 @@ ofx::piMapper::CmdManager * ofxPiMapper::getCmdManager(){
 	return _cmdManager;
 }
 
-ofx::piMapper::SurfaceManagerGui & ofxPiMapper::getGui(){
-	return gui;
+ofx::piMapper::SurfaceManagerGui * ofxPiMapper::getGui(){
+	return _gui;
 }
 
 ofx::piMapper::SurfaceManager & ofxPiMapper::getSurfaceManager(){

src/ofxPiMapper.h

@@ -31,7 +31,7 @@ class ofxPiMapper {
 		bool loadXmlSettings(string fileName);
 
 		ofx::piMapper::CmdManager * getCmdManager();
-		ofx::piMapper::SurfaceManagerGui & getGui();
+		ofx::piMapper::SurfaceManagerGui * getGui();
 		ofx::piMapper::SurfaceManager & getSurfaceManager();
 		ofx::piMapper::SurfaceManager surfaceManager;
 		ofx::piMapper::Info * getInfo();
@@ -41,7 +41,7 @@ class ofxPiMapper {
 		bool bShowInfo;
 		ofx::piMapper::CmdManager * _cmdManager;
 		ofx::piMapper::MediaServer * _mediaServer;
-		ofx::piMapper::SurfaceManagerGui gui;
+		ofx::piMapper::SurfaceManagerGui * _gui;
 		ofx::piMapper::Application * _application;
 		ofx::piMapper::Info * _info;
 };