Add ofxPiMapper::selectSurface

src/ofxPiMapper.cpp

@@ -40,6 +40,12 @@ void ofxPiMapper::eraseActivePreset(){
 	_application.getSurfaceManager()->eraseActivePreset();
 }
 
+void ofxPiMapper::selectSurface(int i){
+	if(_application.getState() == ofx::piMapper::PresentationMode::instance()){
+		_application.getSurfaceManager()->selectSurface(i);
+	}
+}
+
 void ofxPiMapper::togglePauseForSurface(unsigned int i){
 	ofx::piMapper::BaseSource * s =
 		_application.getSurfaceManager()->getActivePreset()->getSurfaces().at(i)->getSource();

src/ofxPiMapper.h

@@ -47,21 +47,19 @@ class ofxPiMapper {
 		ofxPiMapper::Mode getMode();
 	
 		// Presets
+		unsigned int getNumPresets();
+		unsigned int getActivePresetIndex();
 		void setActivePreset(unsigned int i);
 		void setNextPreset();
 		void cloneActivePreset();
 		void eraseActivePreset();
 	
-		// Toggle play/pause for a surface in the active preset.
+		// Surfaces, active preset
+		unsigned int getNumSurfaces();
+		void selectSurface(int i);
 		void togglePauseForSurface(unsigned int i);
 
 		bool loadXmlSettings(string fileName);
-	
-		unsigned int getNumPresets();
-		unsigned int getActivePresetIndex();
-	
-		// Get number of surfaces in the active preset.
-		unsigned int getNumSurfaces();
 
 	private:
 		ofx::piMapper::Application _application;