[Gtk-sharp-list] Re: TreeCellDataFunc problem

[Freon]

*Bump* and update

I've just tested that on Linux (Slackware 10 with Mono 1.01) and it
works just fine. Is it a bug with Gtk or Gtk# or something?

On Mon, 1 Nov 2004 15:09:57 +0100, Freon <freongrr@gmail.com> wrote:
> Hi,
> 
> I've been trying to get custom formatting in a TreeView using
> TreeCellDataFunc, but to no avail.
> Everything works fine when defining the tree or when the delegate
> testDataFunc() is executed, but it crashes on ShowAll() with the
> following error message:
> 
> Error :    at Gtk.Widget.gtk_widget_show_all(IntPtr raw)
>    at Gtk.Widget.ShowAll()
>    at TreeViewTest.Main(String[] args) in
> c:\mono\prj\bugtreeview\main.cs:line 35
> 
> (<unknown>:3692): Gtk-CRITICAL **: file gtkmain.c: line 1187
> (gtk_main_quit): assertion `main_loops != NULL' failed
> 
> Here is the test file I use:
> (btw, I'm running WindowsXP with mono 1.0.2)
> 
> -----------------------------------------------------------
> 
> using System;
> using System.Collections;
> using Gtk;
> 
> public class TreeViewTest
> {
>     public static void Main(string[] args)
>     {
>         try
>         {
>             Application.Init();
> 
>             Window win = new Window("TreeView Test");
>             win.DeleteEvent += new DeleteEventHandler(OnWindowDeleteEvent);
>             win.SetDefaultSize(400,250);
> 
>             ScrolledWindow sw = new ScrolledWindow();
>             win.Add(sw);
> 
>             TreeStore store = new TreeStore( typeof (string) );
> 
>             for (int i=0; i < 5; i++)
>             {
>                 TreeIter iter = store.AppendValues("Line " + i);
>             }
> 
>             TreeView tv = new TreeView();
>             tv.Model = store;
>             tv.HeadersVisible = true;
> 
>             tv.AppendColumn("Test", new CellRendererText(), new
> TreeCellDataFunc(testDataFunc) );
> 
>             sw.Add(tv);
>             sw.Show();
>             win.ShowAll();
>             Application.Run();
>         }
>         catch(Exception e)
>         {
>             Console.WriteLine( "Error : " + e.StackTrace );
>             Application.Quit();
>         }
>     }
> 
>     private static void testDataFunc (
>         TreeViewColumn column,
>         CellRenderer renderer,
>         TreeModel model,
>         TreeIter iter)
>     {
>         try
>         {
>             string text = model.GetValue(iter, 0) as string;
>             (renderer as CellRendererText).Text = text.ToUpper();
>         }
>         catch (Exception e)
>         {
>             Console.WriteLine( "error : " + e.ToString() );
>         }
>     }
> 
>     public static void OnWindowDeleteEvent(object o, DeleteEventArgs args)
>     {
>         Application.Quit();
>         args.RetVal = true;
>     }
> }
> 
> -----------------------
> 
> Thanks in advance :)
>