[chronojump] After capture, treeview and bars are not erased. Don't need to wait (nice for raspberry)

[Xavier de Blas <xaviblas src gnome org>]

commit 2a934f22a766f9fdcd800b9c17cd024aa837779b
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri May 22 09:26:42 2015 +0200

    After capture, treeview and bars are not erased. Don't need to wait (nice for raspberry)

 src/gui/encoder.cs |   19 +++++++++++--------
 1 files changed, 11 insertions(+), 8 deletions(-)
---
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index acc9580..77400b7 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -4368,7 +4368,7 @@ public partial class ChronoJumpWindow
                                
                                treeview_encoder_capture_curves.Sensitive = true;
 
-                               prepareEncoderGraphs();
+                               prepareEncoderGraphs(true);
                                eccaCreated = false;
 
                                if(action == encoderActions.CAPTURE) {
@@ -4436,7 +4436,7 @@ public partial class ChronoJumpWindow
                                image_encoder_width = UtilGtk.WidgetWidth(viewport_image_encoder_capture)-5; 
                                image_encoder_height = UtilGtk.WidgetHeight(viewport_image_encoder_capture)-5;
 
-                               prepareEncoderGraphs();
+                               prepareEncoderGraphs(true);
                                
                                
                                //_______ 2) run stuff
@@ -4456,7 +4456,7 @@ public partial class ChronoJumpWindow
                        } else { //CURVES_AC
                                //______ 1) prepareEncoderGraphs
                                //don't call directly to prepareEncoderGraphs() here because it's called from 
a Non-GTK thread
-                               needToCallPrepareEncoderGraphs = true;
+                               needToCallPrepareEncoderGraphs = true; //needToCallPrepareEncoderGraphs will 
not erase them
                                
                                //this is defined on capture process
                                //image_encoder_width = 
UtilGtk.WidgetWidth(viewport_image_encoder_capture)-5; 
@@ -4490,10 +4490,13 @@ public partial class ChronoJumpWindow
                }
        }
 
-       void prepareEncoderGraphs() {
+       void prepareEncoderGraphs(bool eraseFirst) {
                LogB.Debug("prepareEncoderGraphs() start (should be on first thread: GTK)");
-               UtilGtk.ErasePaint(encoder_capture_signal_drawingarea, encoder_capture_signal_pixmap);
-               UtilGtk.ErasePaint(encoder_capture_curves_bars_drawingarea, 
encoder_capture_curves_bars_pixmap);
+               
+               if(eraseFirst) {
+                       UtilGtk.ErasePaint(encoder_capture_signal_drawingarea, encoder_capture_signal_pixmap);
+                       UtilGtk.ErasePaint(encoder_capture_curves_bars_drawingarea, 
encoder_capture_curves_bars_pixmap);
+               }
 
                layout_encoder_capture_signal = new Pango.Layout 
(encoder_capture_signal_drawingarea.PangoContext);
                layout_encoder_capture_signal.FontDescription = Pango.FontDescription.FromString ("Courier 
10");
@@ -4700,7 +4703,7 @@ public partial class ChronoJumpWindow
                }
        }
                                
-       static bool needToCallPrepareEncoderGraphs;
+       static bool needToCallPrepareEncoderGraphs; //this will not erase them
        private bool pulseGTKEncoderCaptureAndCurves ()
        {
                if(needToCallPrepareEncoderGraphs) 
@@ -4708,7 +4711,7 @@ public partial class ChronoJumpWindow
                        image_encoder_width = UtilGtk.WidgetWidth(viewport_image_encoder_capture)-5; 
                        image_encoder_height = UtilGtk.WidgetHeight(viewport_image_encoder_capture)-5;
                                
-                       prepareEncoderGraphs();
+                       prepareEncoderGraphs(false); //do not erase them
                        needToCallPrepareEncoderGraphs = false;
                }