[chronojump] Fixed bars drawingarea erased (now is not erased) after each calcule_curves on cont

[Xavier de Blas <xaviblas src gnome org>]

commit b01d35835f2c1a7380fc8dbc9dd57a4efeed68b7
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Feb 23 00:06:19 2017 +0100

    Fixed bars drawingarea erased (now is not erased) after each calcule_curves on cont

 glade/app1.glade   |    7 ++++++-
 src/gui/encoder.cs |   36 ++++++++++++++++++++++++------------
 2 files changed, 30 insertions(+), 13 deletions(-)
---
diff --git a/glade/app1.glade b/glade/app1.glade
index ed5464b..35ba6aa 100644
--- a/glade/app1.glade
+++ b/glade/app1.glade
@@ -15001,7 +15001,6 @@ Concentric</property>
                                                             <property name="visible">True</property>
                                                             <property name="can_focus">True</property>
                                                             <property name="tab_pos">bottom</property>
-                                                            <property name="show_tabs">False</property>
                                                             <property name="show_border">False</property>
                                                             <child>
                                                             <widget class="GtkNotebook" 
id="notebook_encoder_capture_or_exercise_or_instructions">
@@ -19316,6 +19315,12 @@ then click this button.</property>
                                                             <child>
                                                             <placeholder/>
                                                             </child>
+                                                            <child>
+                                                            <placeholder/>
+                                                            </child>
+                                                            <child>
+                                                            <placeholder/>
+                                                            </child>
                                                             </widget>
                                                             <packing>
                                                             <property name="expand">False</property>
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index f2b80fa..a0b998e 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -317,6 +317,7 @@ public partial class ChronoJumpWindow
 
        EncoderConfiguration encoderConfigurationCurrent;
        Constants.EncoderGI currentEncoderGI; //store here to not have to check the GUI and have thread 
problems
+       bool firstSetOfCont; //used to don't erase the screen on cont after first set
 
        /* 
         * this contains last EncoderSQL captured, recalculated or loaded
@@ -658,11 +659,19 @@ public partial class ChronoJumpWindow
        }
 
        double maxPowerIntersessionOnCapture;
+       //called from main GUI
        void on_button_encoder_capture_clicked (object o, EventArgs args) 
        {
+               on_button_encoder_capture_clicked_do (true);
+       }
+
+       void on_button_encoder_capture_clicked_do (bool firstSet)
+       {
 //             if(eCaptureInertialBG != null)
 //                     eCaptureInertialBG.Finish();
 
+               firstSetOfCont = firstSet;
+
                maxPowerIntersessionOnCapture = findMaxPowerIntersession();
                //LogB.Information("maxPower: " + maxPowerIntersessionOnCapture);
 
@@ -941,7 +950,8 @@ public partial class ChronoJumpWindow
        //action can be CURVES_AC (After Capture) (where signal does not exists, need to define it)
        //CAPTURE_EXTERNAL, CURVES, LOAD (signal is defined)
        //CAPTURE_EXTERNAL is not implemented because it's deprecated
-       void encoderCalculeCurves(encoderActions action) {
+       void encoderCalculeCurves(encoderActions action)
+       {
                if(action == encoderActions.CURVES_AC) 
                {
                        encoderTimeStamp = UtilDate.ToFile(DateTime.Now);
@@ -3901,7 +3911,7 @@ public partial class ChronoJumpWindow
                
                treeviewEncoderCaptureRemoveColumns();
 
-               if(encoder_capture_curves_bars_pixmap != null) 
+               if(encoder_capture_curves_bars_pixmap != null)
                        UtilGtk.ErasePaint(encoder_capture_curves_bars_drawingarea, 
encoder_capture_curves_bars_pixmap);
                if(encoder_capture_signal_pixmap != null)
                        UtilGtk.ErasePaint(encoder_capture_signal_drawingarea, encoder_capture_signal_pixmap);
@@ -4204,7 +4214,6 @@ public partial class ChronoJumpWindow
        void plotCurvesGraphDoPlot(string mainVariable, double mainVariableHigher, double mainVariableLower, 
                        ArrayList data6Variables, bool discardFirstThree, bool capturing) 
        {
-               //LogB.Information("at plotCurvesGraphDoPlot");
                UtilGtk.ErasePaint(encoder_capture_curves_bars_drawingarea, 
encoder_capture_curves_bars_pixmap);
 
                int graphWidth=encoder_capture_curves_bars_drawingarea.Allocation.Width;
@@ -4511,7 +4520,7 @@ public partial class ChronoJumpWindow
                        plotCurvesGraphDoPlot(mainVariable, mainVariableHigher, mainVariableLower, 
captureCurvesBarsData,
                                        repetitiveConditionsWin.EncoderInertialDiscardFirstThree,
                                        false); //not capturing
-               } else
+               } else if( ! ( radio_encoder_capture_cont.Active && ! firstSetOfCont) )
                        UtilGtk.ErasePaint(encoder_capture_curves_bars_drawingarea, 
encoder_capture_curves_bars_pixmap);
        }
 
@@ -4550,14 +4559,15 @@ public partial class ChronoJumpWindow
        {
                Gdk.EventConfigure ev = args.Event;
                Gdk.Window window = ev.Window;
-
                Gdk.Rectangle allocation = encoder_capture_curves_bars_drawingarea.Allocation;
-               
+
+
                if(encoder_capture_curves_bars_pixmap == null || encoder_capture_curves_sizeChanged || 
                                allocation.Width != encoder_capture_curves_allocationXOld ||
-                               allocation.Height != encoder_capture_curves_allocationYOld) 
+                               allocation.Height != encoder_capture_curves_allocationYOld)
                {
-                       encoder_capture_curves_bars_pixmap = new Gdk.Pixmap (window, allocation.Width, 
allocation.Height, -1);
+                       if(encoder_capture_curves_bars_pixmap == null || firstSetOfCont)
+                               encoder_capture_curves_bars_pixmap = new Gdk.Pixmap (window, 
allocation.Width, allocation.Height, -1);
 
                        callPlotCurvesGraphDoPlot();
                
@@ -4574,12 +4584,13 @@ public partial class ChronoJumpWindow
                 * Do here the initialization
                 */
                //LogB.Debug("EXPOSE");
-               
+
                Gdk.Rectangle allocation = encoder_capture_curves_bars_drawingarea.Allocation;
                if(encoder_capture_curves_bars_pixmap == null || encoder_capture_curves_sizeChanged || 
                                allocation.Width != encoder_capture_curves_allocationXOld ||
                                allocation.Height != encoder_capture_curves_allocationYOld) 
                {
+
                        encoder_capture_curves_bars_pixmap = new Gdk.Pixmap (
                                        encoder_capture_curves_bars_drawingarea.GdkWindow, allocation.Width, 
allocation.Height, -1);
                        
@@ -4590,7 +4601,7 @@ public partial class ChronoJumpWindow
 
                Gdk.Rectangle area = args.Event.Area;
 
-               //sometimes this is called when pait is finished
+               //sometimes this is called when paint is finished
                //don't let this erase win
                if(encoder_capture_curves_bars_pixmap != null) {
                        args.Event.Window.DrawDrawable(encoder_capture_curves_bars_drawingarea.Style.WhiteGC, 
@@ -4741,6 +4752,7 @@ public partial class ChronoJumpWindow
                                capturingCsharp = encoderCaptureProcess.CAPTURING;
                        }
 
+
                        if(action == encoderActions.CAPTURE) {
                                captureCurvesBarsData = new ArrayList();
 
@@ -5150,7 +5162,7 @@ public partial class ChronoJumpWindow
                        if(elapsed > 3)
                        {
                                calledCaptureInertial = true;
-                               on_button_encoder_capture_clicked (new object (), new EventArgs ());
+                               on_button_encoder_capture_clicked_do (true);
                        } else
                                label_wait.Text = string.Format("Exercise will start in {0} seconds.", 3 - 
elapsed);
                }
@@ -5866,7 +5878,7 @@ public partial class ChronoJumpWindow
                        }
                
                        if(action == encoderActions.CURVES_AC && radio_encoder_capture_cont.Active && ! 
encoderProcessFinishContMode)
-                               on_button_encoder_capture_clicked (new object (), new EventArgs ());
+                               on_button_encoder_capture_clicked_do (false);
                        
                        //on inertial, check after capture if string was not fully extended and was corrected
                        if(getMenuItemMode() == Constants.Menuitem_modes.POWERINERTIAL &&