Add ofxPiMapper::undo()

src/Application/Application.cpp

@@ -136,7 +136,7 @@ void Application::onKeyPressed(ofKeyEventArgs & args){
 		 break;
 
 	 case 'z':
-		 _cmdManager.undo();
+		 undo();
 		 break;
 		 
 	 case 'n':
@@ -537,5 +537,9 @@ void Application::moveTexCoord(int texCoordIndex, ofVec2f by){
 	}
 }
 
+void Application::undo(){
+	_cmdManager.undo();
+}
+
 } // namespace piMapper
 } // namespace ofx

src/Application/Application.h

@@ -131,6 +131,7 @@ class Application {
 		void moveTexCoord(int texCoordIndex, ofVec2f by);
 		// TODO: Add moveVertex.
 		// Make it so that other parts of the application react to the change.
+		void undo();
 	
 		void setPreset(unsigned int i);
 		void setNextPreset();

src/ofxPiMapper.cpp

@@ -202,6 +202,10 @@ void ofxPiMapper::toggleInfo(){
 	_application.toggleInfo();
 }
 
+void ofxPiMapper::undo(){
+	_application.undo();
+}
+
 void ofxPiMapper::setMode(ofx::piMapper::Mode m){
 	if(m == ofx::piMapper::PRESENTATION_MODE){
 		_application.setPresentationMode();

src/ofxPiMapper.h

@@ -28,6 +28,7 @@ class ofxPiMapper {
 		// Application
 		void setInfoText(string text);
 		void toggleInfo();
+		void undo();
 	
 		// Modes
 		void setMode(ofx::piMapper::Mode m);