[longomatch] Adjust labels width to the longuest name

[Andoni Morales Alastruey <amorales src gnome org>]

commit 500abeb7d2d52479f6ee76f93c6fd6aeea7307ef
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Tue Oct 21 23:50:24 2014 +0200

    Adjust labels width to the longuest name

 LongoMatch.Drawing/CanvasObjects/LabelObject.cs |   46 +++++++++++++++++-----
 LongoMatch.Drawing/Widgets/TimelineLabels.cs    |   10 ++++-
 LongoMatch.GUI/Gui/Component/Timeline.cs        |    3 +
 3 files changed, 47 insertions(+), 12 deletions(-)
---
diff --git a/LongoMatch.Drawing/CanvasObjects/LabelObject.cs b/LongoMatch.Drawing/CanvasObjects/LabelObject.cs
index 729b398..2589181 100644
--- a/LongoMatch.Drawing/CanvasObjects/LabelObject.cs
+++ b/LongoMatch.Drawing/CanvasObjects/LabelObject.cs
@@ -24,12 +24,12 @@ namespace LongoMatch.Drawing.CanvasObjects
 {
        public class LabelObject: CanvasObject, ICanvasObject
        {
-               double width;
+               int DEFAULT_FONT_SIZE = 12;
 
                public LabelObject (double width, double height, double offsetY)
                {
-                       this.Height = height;
-                       this.width = width;
+                       Height = height;
+                       Width = width;
                        OffsetY = offsetY;
                        Color = Color.Red1;
                }
@@ -44,11 +44,26 @@ namespace LongoMatch.Drawing.CanvasObjects
                        set;
                }
 
+               public double Width {
+                       get;
+                       set;
+               }
+               
                public double Height {
                        get;
                        set;
                }
 
+               public double RequiredWidth {
+                       get {
+                               int width, height;
+                               Config.DrawingToolkit.MeasureText (
+                                       Name, out width, out height, "Ubuntu",
+                                       DEFAULT_FONT_SIZE, FontWeight.Normal);
+                               return TextOffset + width;
+                       }
+               }
+
                public double Scroll {
                        get;
                        set;
@@ -64,36 +79,45 @@ namespace LongoMatch.Drawing.CanvasObjects
                        get;
                }
 
+               double RectSize {
+                       get {
+                               return Height - StyleConf.TimelineLabelVSpacing * 2;
+                       }
+               }
+               
+               double TextOffset {
+                       get {
+                               return StyleConf.TimelineLabelHSpacing * 2 + RectSize;
+                       }
+               }
+
                public override void Draw (IDrawingToolkit tk, Area area)
                {
-                       double hs, vs, to, rectSize;
+                       double hs, vs;
                        double y;
                        
                        hs = StyleConf.TimelineLabelHSpacing;
                        vs = StyleConf.TimelineLabelVSpacing;
-                       rectSize = Height - vs * 2;
-                       to = hs + rectSize + hs;
-                       
                        y = OffsetY - Math.Floor (Scroll);
                        tk.Begin ();
                        tk.FillColor = BackgroundColor;
                        tk.StrokeColor = BackgroundColor;
                        tk.LineWidth = 0;
-                       tk.DrawRectangle (new Point (0, y), width, Height);
+                       tk.DrawRectangle (new Point (0, y), Width, Height);
                        
                        /* Draw a rectangle with the category color */
                        tk.FillColor = Color;
                        tk.StrokeColor = Color;
-                       tk.DrawRectangle (new Point (hs, y + vs), rectSize, rectSize); 
+                       tk.DrawRectangle (new Point (hs, y + vs), RectSize, RectSize); 
                        
                        /* Draw category name */
                        tk.FontSlant = FontSlant.Normal;
                        tk.FontWeight = FontWeight.Bold;
-                       tk.FontSize = 12;
+                       tk.FontSize = DEFAULT_FONT_SIZE;
                        tk.FillColor = Config.Style.PaletteWidgets;
                        tk.FontAlignment = FontAlignment.Left;
                        tk.StrokeColor = Config.Style.PaletteWidgets;
-                       tk.DrawText (new Point (to, y), width - to, Height, Name);
+                       tk.DrawText (new Point (TextOffset, y), Width - TextOffset, Height, Name);
                        tk.End ();
                }
        }
diff --git a/LongoMatch.Drawing/Widgets/TimelineLabels.cs b/LongoMatch.Drawing/Widgets/TimelineLabels.cs
index 6170185..bcf4642 100644
--- a/LongoMatch.Drawing/Widgets/TimelineLabels.cs
+++ b/LongoMatch.Drawing/Widgets/TimelineLabels.cs
@@ -16,6 +16,7 @@
 //  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 //
 using System;
+using System.Linq;
 using System.Collections.Generic;
 using LongoMatch.Core.Store;
 using LongoMatch.Core.Interfaces.Drawing;
@@ -67,7 +68,8 @@ namespace LongoMatch.Drawing.Widgets
                {
                        LabelObject l;
                        int i = 0, w, h;
-                       
+                       double requiredWidth;
+
                        w = StyleConf.TimelineLabelsWidth;
                        h = StyleConf.TimelineCategoryHeight;
                        widget.Width = w;
@@ -89,6 +91,12 @@ namespace LongoMatch.Drawing.Widgets
                                AddLabel (l, eventType);
                                i++;
                        }
+                       
+                       requiredWidth = labelToObject.Keys.Max (la => la.RequiredWidth);
+                       foreach (LabelObject lo in labelToObject.Keys) {
+                               lo.Width = requiredWidth;
+                       }
+                       widget.Width = requiredWidth;
                }
 
                void UpdateVisibleCategories ()
diff --git a/LongoMatch.GUI/Gui/Component/Timeline.cs b/LongoMatch.GUI/Gui/Component/Timeline.cs
index e84678b..bd1c1ae 100644
--- a/LongoMatch.GUI/Gui/Component/Timeline.cs
+++ b/LongoMatch.GUI/Gui/Component/Timeline.cs
@@ -59,6 +59,9 @@ namespace LongoMatch.Gui.Component
                        focusscale.ValueChanged += HandleValueChanged;
                        timerulearea.HeightRequest = LongoMatch.Drawing.Constants.TIMERULE_HEIGHT;
                        leftbox.WidthRequest = StyleConf.TimelineLabelsWidth;
+                       labelsarea.SizeRequested += (o, args) => {
+                               leftbox.WidthRequest = args.Requisition.Width;
+                       };
                        hbox1.HeightRequest = LongoMatch.Drawing.Constants.TIMERULE_HEIGHT;
                        scrolledwindow1.Vadjustment.ValueChanged += HandleScrollEvent;
                        scrolledwindow1.Hadjustment.ValueChanged += HandleScrollEvent;