[chronojump] Ensure cancel_clicked and finish_clicked are only done one time

[Xavier de Blas <xaviblas src gnome org>]

commit 5be9d4e77f7e44f6307ab40ed17734d557b6c1ac
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Jan 11 09:15:13 2017 +0100

    Ensure cancel_clicked and finish_clicked are only done one time

 src/gui/chronojump.cs |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/src/gui/chronojump.cs b/src/gui/chronojump.cs
index 011b80f..6fe4338 100644
--- a/src/gui/chronojump.cs
+++ b/src/gui/chronojump.cs
@@ -3580,6 +3580,8 @@ public partial class ChronoJumpWindow
                //to avoid doble finish or cancel while finishing
                hideButtons();
 
+               LogB.Information("finish clicked one");
+
                event_execute_ButtonFinish.Clicked -= new EventHandler(on_finish_clicked);
                currentEventExecute.Finish = true;
        
@@ -3663,6 +3665,14 @@ public partial class ChronoJumpWindow
        {
                bool canCaptureC = cp2016.StoredCanCaptureContacts;
 
+               /*
+                * We need to do this to ensure no cancel_clicked calls accumulate
+                * if we don't do tue -= now, after 10 tests, if we cancel last one,
+                * it wWill enter on_cancel_clicked 10 times at the end
+                */
+               event_execute_ButtonCancel.Clicked -= new EventHandler(on_cancel_clicked);
+               event_execute_ButtonFinish.Clicked -= new EventHandler(on_finish_clicked);
+
                if(radio_menuitem_mode_jumps_simple.Active) 
                {
                        LogB.Debug("radio_menuitem_mode_jumps_simple");