fixed minor bugs here and there and made sure media server sets displayed flag to false once source is unloaded

src/MediaServer/MediaServer.cpp

@@ -363,7 +363,8 @@ BaseSource * MediaServer::loadFboSource(string & fboSourceName){
 		// Is loaded, increase reference count and return existing
 		loadedSources[fboSourceName]->referenceCount++;
 		ofLogNotice("MediaServer") << "Current " << fboSourceName << "reference count: " << loadedSources[fboSourceName]->referenceCount;
-		return loadedSources[fboSourceName];
+        source->setActive(true);
+        return loadedSources[fboSourceName];
 	}
 	// else
 	// Not loaded, add to loaded sources and activate
@@ -372,7 +373,8 @@ BaseSource * MediaServer::loadFboSource(string & fboSourceName){
 	source->referenceCount = 1;
 	ofLogNotice("MediaServer") << "Current " << fboSourceName << " reference count: " << source->referenceCount;
 	loadedSources[fboSourceName] = source;
-	return loadedSources[fboSourceName];
+    source->setActive(true);
+    return loadedSources[fboSourceName];
 }   // loadFboSource
 
 void MediaServer::unloadFboSource(string & fboSourceName){
@@ -392,6 +394,7 @@ void MediaServer::unloadFboSource(string & fboSourceName){
 	if(source->referenceCount <= 0){
 		ofLogNotice("MediaServer") << fboSourceName << " reference count <= 0, removing from loaded sources";
 		source->referenceCount = 0;
+        source->setActive(false);
 		//source->removeAppListeners();
 		map <string, BaseSource *>::iterator it = loadedSources.find(fboSourceName);
 		loadedSources.erase(it);

src/Sources/BaseSource.cpp

@@ -7,7 +7,7 @@ BaseSource::BaseSource(){
 	//cout << "BaseSource" << endl;
 	init();
     runInBackground = false;
-    displayed = true;
+    displayed = false;
 }
 
 BaseSource::BaseSource(ofTexture * newTexture){

src/Surfaces/SurfaceManager.cpp

@@ -457,11 +457,12 @@ void SurfaceManager::setPresetSourcesActiveState(unsigned int presetIndex, bool
     // tell sources associated with current preset that they are not displayed any more
     // this is so that we can optionally update the buffers or not.
     for (int j=0; j<_presets[presetIndex]->getSurfaces().size(); j++){
-        _presets[_activePresetIndex]->getSurfaces()[j]->getSource()->setActive(state);
+        _presets[presetIndex]->getSurfaces()[j]->getSource()->setActive(state);
     }
 }
 
 void SurfaceManager::setPreset(unsigned int i){
+    cout << "CALLED IT" << endl;
 	if(_presets.size() <= 1){
 		throw runtime_error("ofxPiMapper: No presets to set.");
 	}
@@ -470,8 +471,9 @@ void SurfaceManager::setPreset(unsigned int i){
 		throw runtime_error("ofxPiMapper: Preset index out of bounds.");
 	}
 	
-    //let sources associated with OLD preset know that they are not being displayed any more
+    //let sources associated with all preset know that they are not being displayed any more
     setPresetSourcesActiveState(_activePresetIndex, false);
+
     //change preset
     _activePresetIndex = i;
     //let sources associated with NEW preset know that they are now being displayed