Merge pull request #618 from machinelevel/dev4

Fixed two-finger touch delay, and all other hidden event-pile-up.

interface/src/Application.cpp

@@ -946,6 +946,11 @@ void Application::idle() {
     //  Only run simulation code if more than IDLE_SIMULATE_MSECS have passed since last time we ran
     
     if (diffclock(&_lastTimeIdle, &check) > IDLE_SIMULATE_MSECS) {
+        // We call processEvents() here because the idle timer takes priority over
+        // event handling in Qt, so when the framerate gets low events will pile up
+        // unless we handle them here.
+        processEvents();
+        
         update(1.0f / _fps);
         
         _glWidget->updateGL();

interface/src/LeapManager.cpp

@@ -17,6 +17,10 @@ HifiLeapListener* LeapManager::_listener = NULL;
 
 class HifiLeapListener  : public Leap::Listener {
 public:
+    HifiLeapListener() {
+    }
+    virtual ~HifiLeapListener() {
+    }
     Leap::Frame lastFrame;
     std::vector<glm::vec3> fingerTips;
     std::vector<glm::vec3> fingerRoots;