Fix unwanted surface deselects while in texture mode

src/ofxSurfaceGui.cpp

@@ -214,16 +214,51 @@ void ofxSurfaceGui::unselect()
 }
 
 bool ofxSurfaceGui::hitTest(float x, float y)
+{
+    if (mode == PROJECTION_MAPPING){
+        return hitTestProjectionArea(x, y);
+    } else if (mode == TEXTURE_MAPPING) {
+        return hitTestTextureArea(x, y);
+    }
+}
+
+bool ofxSurfaceGui::hitTestTextureArea(float x, float y)
+{
+    if ( textureAreaExists() ) {
+        if ( textureHitarea.inside(x, y) ) {
+            return true;
+        } else {
+            // are we hitting texture mapping joints?
+            for ( int i=0; i<textureMappingJoints.size(); i++ ) {
+                if ( textureMappingJoints[i].hitTest(ofVec2f(x, y)) ) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    } else {
+        return false;
+    } // textureAreaExists()
+}
+
+bool ofxSurfaceGui::hitTestProjectionArea(float x, float y)
 {
     if ( projectionAreaExists() ) {
         if ( projectionHitarea.inside(x, y) ) {
             return true;
         } else {
+            // hitting one of the projection mappting joints also counts,
+            // so let's check that
+            for ( int i=0; i<projectionMappingJoints.size(); i++ ) {
+                if ( projectionMappingJoints[i].hitTest(ofVec2f(x, y)) ) {
+                    return true;
+                }
+            }
             return false;
         }
     } else {
         return false;
-    }
+    } // projectionAreaExists()
 }
 
 bool ofxSurfaceGui::isSelected()
@@ -316,4 +351,13 @@ bool ofxSurfaceGui::projectionAreaExists()
     } else {
         return false;
     }
+}
+
+bool ofxSurfaceGui::textureAreaExists()
+{
+    if ( textureHitarea.size() > 2 ) {
+        return true;
+    } else {
+        return false;
+    }
 }

src/ofxSurfaceGui.h

@@ -27,6 +27,8 @@ public:
     void select();
     void unselect();
     bool hitTest(float x, float y);
+    bool hitTestTextureArea(float x, float y);
+    bool hitTestProjectionArea(float x, float y);
     bool isSelected();
     
     editMode getMode();
@@ -50,6 +52,7 @@ private:
     bool isProjectionMappingJointSelected();
     bool isTextureMappingJointSelected();
     bool projectionAreaExists();
+    bool textureAreaExists();
     
     void addProjectionMappingJoint();
     void addNumProjectionMappingJoints(int num);

src/ofxSurfaceManager.cpp

@@ -67,9 +67,14 @@ void ofxSurfaceManager::mousePressed(int x, int y, int button)
 {
     bool bSurfaceSelected = false;
     for ( int i=0; i<surfaceGuis.size(); i++ ) {
-        if ( surfaceGuis[i]->hitTest(x, y) ) {
-            selectSurface(i);
-            bSurfaceSelected = true;
+        // check only if in projection mapping mode
+        if ( surfaceGuis[i]->getMode() == ofxSurfaceGui::PROJECTION_MAPPING ) {
+            if ( surfaceGuis[i]->hitTest(x, y) ) {
+                selectSurface(i);
+                bSurfaceSelected = true;
+            }
+        } else {
+            bSurfaceSelected = true; // Hackish - we will need a lot of refractoring here later
         }
         surfaceGuis[i]->mousePressed(x, y, button);
     }

src/ofxSurfaceManager.h

@@ -25,7 +25,6 @@ public:
     void selectSurface(int index);
     void unselectAllSurfaces();
     int size();
-    // TODO: add simple surface
     
 private:
     deque<ofxTriangleSurface*> triangleSurfaces;