From 7c263994529ab3de95c3c72b7b15e5cabc5ed757 Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Thu, 15 May 2014 16:28:21 +0200
Subject: [PATCH] Fix joints not redrawn on new surface selection while in
 projection editor

---
 src/ofxProjectionEditor.cpp | 12 ++++++++++++
 src/ofxProjectionEditor.h   |  1 +
 src/ofxSurfaceManager.cpp   |  3 +++
 3 files changed, 16 insertions(+)

diff --git a/src/ofxProjectionEditor.cpp b/src/ofxProjectionEditor.cpp
index 23d76f0..75d7990 100644
--- a/src/ofxProjectionEditor.cpp
+++ b/src/ofxProjectionEditor.cpp
@@ -13,16 +13,19 @@ ofxProjectionEditor::~ofxProjectionEditor()
     surfaceManager = NULL;
     unregisterAppEvents();
     unregisterMouseEvents();
+    
 }
 
 void ofxProjectionEditor::registerAppEvents()
 {
     ofAddListener(ofEvents().update, this, &ofxProjectionEditor::update);
+    ofAddListener(ofEvents().messageEvent, this, &ofxProjectionEditor::gotMessage);
 }
 
 void ofxProjectionEditor::unregisterAppEvents()
 {
     ofRemoveListener(ofEvents().update, this, &ofxProjectionEditor::update);
+    ofRemoveListener(ofEvents().messageEvent, this, &ofxProjectionEditor::gotMessage);
 }
 
 void ofxProjectionEditor::registerMouseEvents()
@@ -60,6 +63,15 @@ void ofxProjectionEditor::mouseDragged(ofMouseEventArgs &args)
     //
 }
 
+void ofxProjectionEditor::gotMessage(ofMessage& msg)
+{
+    if (msg.message == "surfaceSelected") {
+        // refresh gui
+        clearJoints();
+        createJoints();
+    }
+}
+
 void ofxProjectionEditor::setSurfaceManager(ofxSurfaceManager *newSurfaceManager)
 {
     surfaceManager = newSurfaceManager;
diff --git a/src/ofxProjectionEditor.h b/src/ofxProjectionEditor.h
index ae72597..f4a806d 100644
--- a/src/ofxProjectionEditor.h
+++ b/src/ofxProjectionEditor.h
@@ -18,6 +18,7 @@ public:
     void update(ofEventArgs& args);
     void draw();
     void mouseDragged(ofMouseEventArgs& args);
+    void gotMessage(ofMessage& msg);
     void setSurfaceManager(ofxSurfaceManager* newSurfaceManager);
     void clearJoints();
     void createJoints();
diff --git a/src/ofxSurfaceManager.cpp b/src/ofxSurfaceManager.cpp
index f01e532..d2db214 100644
--- a/src/ofxSurfaceManager.cpp
+++ b/src/ofxSurfaceManager.cpp
@@ -272,6 +272,9 @@ ofxBaseSurface* ofxSurfaceManager::selectSurface(int index)
     }
     
     selectedSurface = surfaces[index];
+    
+    // notify that a new surface has been selected
+    ofSendMessage("surfaceSelected");
 }
 
 ofxBaseSurface* ofxSurfaceManager::getSelectedSurface()