Add image source selection per surface

src/ofxSourcesEditor.cpp

@@ -81,6 +81,37 @@ void ofxSourcesEditor::setSurfaceManager(ofxSurfaceManager *newSurfaceManager)
     surfaceManager = newSurfaceManager;
 }
 
+void ofxSourcesEditor::selectImageSourceRadioButton(string name)
+{
+    vector<ofxUIWidget*> widgets = gui->getWidgets();
+    
+    // find radio list item
+    ofxUIRadio* radio;
+    for ( int i=0; i<widgets.size(); i++ ) {
+        int widgetKind = widgets[i]->getKind();
+        if ( widgetKind == OFX_UI_WIDGET_RADIO ){
+            radio = (ofxUIRadio*)widgets[i];
+            break;
+        }
+    }
+    
+    if (name == "none") {
+        ofxUIToggle* toggle = (ofxUIToggle*)radio->getActive();
+        if ( toggle != NULL ) {
+            toggle->setValue(false);
+        }
+        return;
+    } else {
+        for ( int i=0; i<widgets.size(); i++ ) {
+            string widgetName = widgets[i]->getName();
+            if ( name == widgetName ) {
+                radio->activateToggle(name);
+                return;
+            }
+        }
+    }
+}
+
 int ofxSourcesEditor::getLoadedTexCount()
 {
     return images.size();

src/ofxSourcesEditor.h

@@ -23,6 +23,7 @@ public:
     void disable();
     void enable();
     void setSurfaceManager(ofxSurfaceManager* newSurfaceManager);
+    void selectImageSourceRadioButton(string name);
     
     int getLoadedTexCount();
     ofTexture* getTexture(int index);

src/ofxSurfaceManager.cpp

@@ -161,6 +161,22 @@ ofTexture* ofxSurfaceManager::loadImageSource(string name, string path)
     return &image->getTextureReference();
 }
 
+string ofxSurfaceManager::getSelectedSurfaceSourceName()
+{
+    if ( selectedSurface == NULL ) {
+        return "none";
+    }
+    
+    ofTexture* tex = selectedSurface->getTexture();
+    for ( int i=0; i<loadedImageSources.size(); i++ ) {
+        if (tex == &loadedImageSources[i]->getTextureReference()) {
+            return loadedImageSourceNames[i];
+        }
+    }
+    
+    return "none";
+}
+
 ofxBaseSurface* ofxSurfaceManager::getSurface(int index)
 {
     if ( index >= surfaces.size() ) {

src/ofxSurfaceManager.h

@@ -27,6 +27,7 @@ public:
     ofxBaseSurface* getSelectedSurface();
     void deselectSurface();
     ofTexture* loadImageSource(string name, string path);
+    string getSelectedSurfaceSourceName();
     
     
 private:

src/ofxSurfaceManagerGui.cpp

@@ -182,6 +182,8 @@ void ofxSurfaceManagerGui::setMode(int newGuiMode)
     
     if ( guiMode == ofxGuiMode::SOURCE_SELECTION ) {
         sourcesEditor.enable();
+        string sourceName = surfaceManager->getSelectedSurfaceSourceName();
+        sourcesEditor.selectImageSourceRadioButton(sourceName);
     } else {
         sourcesEditor.disable();
     }