fix skewing lag offset, mouse hover issues

src/visual/MeterCanvas.cpp

@@ -63,7 +63,6 @@ float MeterCanvas::getInputValue() {
 
 void MeterCanvas::setShowUserInput(bool showUserInput) {
     this->showUserInput = showUserInput;
-    Refresh();
 }
 
 void MeterCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
@@ -91,7 +90,11 @@ void MeterCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
 }
 
 void MeterCanvas::OnIdle(wxIdleEvent &event) {
-    event.Skip();
+	if (mouseTracker.mouseInView()) {
+	    Refresh();
+	} else {
+		event.Skip();
+	}
 }
 
 void MeterCanvas::OnMouseMoved(wxMouseEvent& event) {
@@ -104,7 +107,6 @@ void MeterCanvas::OnMouseMoved(wxMouseEvent& event) {
             setStatusText(helpTip);
         }
     }
-    Refresh();
 }
 
 void MeterCanvas::OnMouseDown(wxMouseEvent& event) {

src/visual/ModeSelectorCanvas.cpp

@@ -79,19 +79,21 @@ void ModeSelectorCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
 }
 
 void ModeSelectorCanvas::OnIdle(wxIdleEvent &event) {
-    event.Skip();
+	if (mouseTracker.mouseInView()) {
+		Refresh();
+	} else {
+		event.Skip();
+	}
 }
 
 void ModeSelectorCanvas::OnMouseMoved(wxMouseEvent& event) {
     InteractiveCanvas::OnMouseMoved(event);
-    Refresh();
 }
 
 void ModeSelectorCanvas::OnMouseDown(wxMouseEvent& event) {
     InteractiveCanvas::OnMouseDown(event);
     mouseTracker.setHorizDragLock(true);
     mouseTracker.setVertDragLock(true);
-    Refresh();
 }
 
 void ModeSelectorCanvas::OnMouseWheelMoved(wxMouseEvent& event) {

src/visual/WaterfallCanvas.cpp

@@ -107,14 +107,16 @@ void WaterfallCanvas::processInputQueue() {
                         vData->decRefCount();
                         processed = true;
                     }
+                    lpsIndex-=targetVis;
+                } else {
+                	break;
                 }
-                lpsIndex-=targetVis;
             }
         }
     }
-    if (processed) {
+//    if (processed) {
         Refresh();
-    }
+//    }
 }
 
 void WaterfallCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
@@ -428,10 +430,10 @@ void WaterfallCanvas::OnKeyDown(wxKeyEvent& event) {
 }
 void WaterfallCanvas::OnIdle(wxIdleEvent &event) {
 //    Refresh();
-//    processInputQueue();
+    processInputQueue();
 //    Refresh();
-//    event.RequestMore();
-    event.Skip();
+    event.RequestMore();
+//    event.Skip();
 }
 
 void WaterfallCanvas::OnMouseMoved(wxMouseEvent& event) {