[longomatch] Fix values changed selecting objects

[Andoni Morales Alastruey <amorales src gnome org>]

commit dd761e01f7269a32f5cde890310853019bd37844
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Thu Apr 23 15:23:49 2015 +0200

    Fix values changed selecting objects

 LongoMatch.GUI/Gui/Dialog/DrawingTool.cs |   29 +++++++++++++++++++++++------
 1 files changed, 23 insertions(+), 6 deletions(-)
---
diff --git a/LongoMatch.GUI/Gui/Dialog/DrawingTool.cs b/LongoMatch.GUI/Gui/Dialog/DrawingTool.cs
index 97e3864..f88457e 100644
--- a/LongoMatch.GUI/Gui/Dialog/DrawingTool.cs
+++ b/LongoMatch.GUI/Gui/Dialog/DrawingTool.cs
@@ -115,16 +115,16 @@ namespace LongoMatch.Gui.Dialog
 
                        colorbutton.ColorSet += HandleColorSet;
                        colorbutton.Color = Misc.ToGdkColor (Color.Red1);
+                       blackboard.Color = Color.Red1;
                        textcolorbutton.ColorSet += HandleTextColorSet;
                        textcolorbutton.Color = Misc.ToGdkColor (Color.White); 
+                       blackboard.TextColor = Color.White;
                        backgroundcolorbutton.UseAlpha = true;
                        backgroundcolorbutton.Alpha = (ushort)(ushort.MaxValue * 0.8);
                        backgroundcolorbutton.ColorSet += HandleBackgroundColorSet;
                        backgroundcolorbutton.Color = Misc.ToGdkColor (Color.Green1); 
-                       blackboard.Color = Color.Red1;
-                       blackboard.TextColor = Color.Grey2;
-                       blackboard.TextBackgroundColor = new Color (Color.Green1.R, Color.Green1.G,
-                               Color.Green1.B, 0);
+                       blackboard.TextBackgroundColor = Misc.ToLgmColor (backgroundcolorbutton.Color,
+                               backgroundcolorbutton.Alpha);
                        textspinbutton.Value = 12;
                        textspinbutton.ValueChanged += (sender, e) => UpdateTextSize ();
                        linesizespinbutton.ValueChanged += (sender, e) => UpdateLineWidth ();
@@ -182,12 +182,12 @@ namespace LongoMatch.Gui.Dialog
 
                int ScalledSize (int size)
                {
-                       return (int)(size * scaleFactor);
+                       return (int)Math.Round (size * scaleFactor);
                }
 
                int OriginalSize (int size)
                {
-                       return (int)(size / scaleFactor);
+                       return (int)Math.Round (size / scaleFactor);
                }
 
                void FillLineStyle ()
@@ -302,6 +302,9 @@ namespace LongoMatch.Gui.Dialog
                        TreeIter iter;
                        LineStyle style;
                                
+                       if (ignoreChanges)
+                               return;
+
                        stylecombobox.GetActiveIter (out iter);
                        style = (LineStyle)stylecombobox.Model.GetValue (iter, 1);
                        if (selectedDrawable != null) {
@@ -317,6 +320,9 @@ namespace LongoMatch.Gui.Dialog
                        TreeIter iter;
                        LineType type;
                                
+                       if (ignoreChanges)
+                               return;
+
                        typecombobox.GetActiveIter (out iter);
                        type = (LineType)typecombobox.Model.GetValue (iter, 1);
                        if (selectedDrawable is Line) {
@@ -338,6 +344,9 @@ namespace LongoMatch.Gui.Dialog
                void HandleBackgroundColorSet (object sender, EventArgs e)
                {
                        Color c;
+                       if (ignoreChanges)
+                               return;
+
                        
                        c = Misc.ToLgmColor (backgroundcolorbutton.Color,
                                backgroundcolorbutton.Alpha);
@@ -352,6 +361,9 @@ namespace LongoMatch.Gui.Dialog
 
                void HandleTextColorSet (object sender, EventArgs e)
                {
+                       if (ignoreChanges)
+                               return;
+
                        if (selectedDrawable is Text) {
                                (selectedDrawable as Text).TextColor = Misc.ToLgmColor 
(textcolorbutton.Color); 
                                QueueDraw ();
@@ -362,6 +374,9 @@ namespace LongoMatch.Gui.Dialog
 
                void HandleColorSet (object sender, EventArgs e)
                {
+                       if (ignoreChanges)
+                               return;
+
                        if (selectedDrawable != null) {
                                selectedDrawable.StrokeColor = Misc.ToLgmColor (colorbutton.Color);
                                if (selectedDrawable.FillColor != null) {
@@ -468,6 +483,7 @@ namespace LongoMatch.Gui.Dialog
                        
                        colorbutton.Sensitive = !(drawable is Text);
 
+                       ignoreChanges = true;
                        if (selectedDrawable == null) {
                                colorbutton.Color = Misc.ToGdkColor (blackboard.Color);
                                textcolorbutton.Color = Misc.ToGdkColor (blackboard.TextColor);
@@ -499,6 +515,7 @@ namespace LongoMatch.Gui.Dialog
                                        stylecombobox.Active = 1;
                                }
                        }
+                       ignoreChanges = false;
                }
 
                void HandleShowMenuEvent (IBlackboardObject drawable)