[blam] ItemList: signal row update when toggling read status

[Carlos Martín Nieto <cmartin src gnome org>]

commit 6902974b58bba3b79c664c5e61a78d055ba1da8e
Author: Carlos Martín Nieto <cmn dwim me>
Date:   Sat Jun 15 14:06:14 2013 +0200

    ItemList: signal row update when toggling read status
    
    Gtk needs to be told that we've updated the item, so do it.

 blam.csproj                    |    1 +
 src/Application.cs             |    1 +
 src/ItemList.cs                |   21 +++++++++++++--------
 src/Makefile.am                |    1 +
 src/TreeSelectionExtensions.cs |   33 +++++++++++++++++++++++++++++++++
 5 files changed, 49 insertions(+), 8 deletions(-)
---
diff --git a/blam.csproj b/blam.csproj
index 1f66b3d..1e0f3ab 100644
--- a/blam.csproj
+++ b/blam.csproj
@@ -110,6 +110,7 @@
     <Compile Include="gtk-gui\Imendio.Blam.AddChannelDialog.cs" />
     <Compile Include="src\AddChannelDialog.cs" />
     <Compile Include="src\GLibSynchronizationContext.cs" />
+    <Compile Include="src\TreeSelectionExtensions.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/Application.cs b/src/Application.cs
index b4b35a2..a44e119 100644
--- a/src/Application.cs
+++ b/src/Application.cs
@@ -367,6 +367,7 @@ namespace Imendio.Blam {
 
             // Toggle unread status
             item.SetUnread (!item.Unread);
+            itemList.EmitSelectedRowChanged();
         }
 
         public void EditEntryKeywordsActivated (object obj, EventArgs args)
diff --git a/src/ItemList.cs b/src/ItemList.cs
index 3a06200..e1a5fc1 100644
--- a/src/ItemList.cs
+++ b/src/ItemList.cs
@@ -163,18 +163,23 @@ namespace Imendio.Blam {
                        return null;
                }
 
-               private async void SelectionChanged (object obj, EventArgs args)
+               public void EmitSelectedRowChanged()
                {
-                       TreeSelection selection = (TreeSelection) obj;
                        TreeIter iter;
                        TreeModel model;
-                       Imendio.Blam.Item item;
 
-                       if (!selection.GetSelected (out model, out iter)) {
+                       if (!Selected(out model, out iter))
                                return;
-                       }
 
-                       item = (Imendio.Blam.Item) model.GetValue (iter, 0);
+                       model.EmitRowChanged(model.GetPath(iter), iter);
+               }
+
+               private async void SelectionChanged (object obj, EventArgs args)
+               {
+                       TreeSelection selection = (TreeSelection) obj;
+                       Imendio.Blam.Item item;
+
+                       item = selection.Item();
                        if (item == null)
                                return;
 
@@ -186,7 +191,7 @@ namespace Imendio.Blam {
 
                        if (!useTimeout) {
                                item.SetUnread(false);
-                               model.EmitRowChanged(model.GetPath(iter), iter);
+                               selection.EmitRowChanged();
                                return;
                        }
 
@@ -201,7 +206,7 @@ namespace Imendio.Blam {
 
                        MarkReadCancel = null;
                        item.SetUnread(false);
-                       model.EmitRowChanged(model.GetPath(iter), iter);
+                       selection.EmitRowChanged();
                }
 
                private int CompareFunc(TreeModel model, TreeIter a, TreeIter b)
diff --git a/src/Makefile.am b/src/Makefile.am
index a60047d..89b9690 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -34,6 +34,7 @@ BLAM_CSFILES = Application.cs \
               Theme.cs \
               ThemeManager.cs \
               TrayIcon.cs \
+              TreeSelectionExtensions.cs \
               Utils.cs \
               Proxy.cs \
               ItemStore.cs \
diff --git a/src/TreeSelectionExtensions.cs b/src/TreeSelectionExtensions.cs
new file mode 100644
index 0000000..3d66a56
--- /dev/null
+++ b/src/TreeSelectionExtensions.cs
@@ -0,0 +1,33 @@
+using System;
+using Gtk;
+
+namespace Imendio.Blam
+{
+       public static class TreeSelectionExtensions
+       {
+               public static void EmitRowChanged(this TreeSelection selection)
+               {
+                       TreeIter iter;
+                       TreeModel model;
+
+                       if (!selection.GetSelected (out model, out iter)) {
+                               return;
+                       }
+
+                       model.EmitRowChanged(model.GetPath(iter), iter);
+               }
+
+               public static Item Item(this TreeSelection selection)
+               {
+                       TreeIter iter;
+                       TreeModel model;
+
+                       if (!selection.GetSelected (out model, out iter)) {
+                               return null;
+                       }
+
+                       return (Imendio.Blam.Item) model.GetValue (iter, 0);
+               }
+       }
+}
+