[Gtk-sharp-list] Row background color

[Christian Rudh]

Hi

They seem to both have their benefits depending on what you are doing,
but I think switching to your way could solve a few odd bugs I have in
my current project so I think I'll try it.

So thanks for the example!

/Christian


On Mon, 2005-02-28 at 11:34 +0100, Vincent Arnoux wrote:
> Christian Rudh a écrit :
> 
> >Hi
> >
> >I have an application where it makes some text in a treeview bold, but
> >it should be possible to use for setting the background too:
> >
> >This is the column I set up in the beginning:
> >
> >TreeViewColumn displayCol = new TreeViewColumn ();
> >CellRendererText displayRenderer = new CellRendererText ();
> >displayRenderer.Xpad = 10;
> >displayCol.Title = "Filedisplay";
> >displayCol.PackStart (displayRenderer, true);
> >displayCol.SetCellDataFunc (displayRenderer, new TreeCellDataFunc
> >(MarkUpSongName));
> >playList.AppendColumn (displayCol);
> >
> >
> >If you look at the SetCellDataFunc, it calls MarkUpSongName when there
> >is a redraw.
> >
> >This is the method:
> >
> >
> >private void MarkUpSongName (TreeViewColumn treeColumn, CellRenderer
> >cellRenderer, TreeModel treeModel, TreeIter treeIter)
> >{
> >	GLib.Value valx = new GLib.Value ();
> >	store.GetValue (treeIter, 1, ref valx);
> >	string completeName = (string) valx.Val;
> >		
> >	GLib.Value valy = new GLib.Value ();
> >	store.GetValue (treeIter, 0, ref valy);
> >	string hiddenName = (string) valy.Val;
> >			
> >	CellRendererText textCellRenderer = (CellRendererText) cellRenderer;
> >
> >	if (hiddenName == null)
> >	{
> >		store.SetValue (treeIter, 0, "x");
> >		textCellRenderer.Markup = "";
> >	}
> >	else if (treeIter.Equals (nextToPlay))
> >	{
> >		textCellRenderer.Markup = "<b>" + completeName + "</b>";
> >	}
> >	else
> >	{
> >		textCellRenderer.Markup = completeName;
> >	}
> >}
> >
> >You should be able to change this function to set
> >textCellRenderer.Background instead of textCellRenderer.Markup if the
> >columns contain the correct text (red). Then you don't have to have a
> >function going through the rows, you simply wait for a redraw or call it
> >yourself with the QueueDraw method in the treeview.
> >
> >I tried the background setting in my code and it worked fine.
> >
> >/Christian
> >
> Thanks for your answer. I received an e-mail advising me to have a look 
> at the source of http://veldstra.co.uk/sharplist/. Thanks to this code, 
> I wrote the following :
> 
>         // Build the List
>         jobsStore = new ListStore (typeof (string), typeof (string), 
> typeof (string), typeof (int), typeof (int), typeof(string), 
> typeof(string));
>         tv = new TreeView ();
>         tv.Model = jobsStore;
>         tv.HeadersVisible = true;
>         tv.RulesHint = true;
>         tv.Reorderable = true;
> 
>         // Category column
>         CellRendererText crt1 = new CellRendererText();
>         TreeViewColumn col1 = new TreeViewColumn ("Categorie", crt1, 
> "text", 0);        
>         col1.AddAttribute (crt1, "weight", 3);
>         col1.AddAttribute (crt1, "style", 4);
>         col1.AddAttribute (crt1, "foreground", 5);
>         col1.AddAttribute (crt1, "background", 6);
>         tv.AppendColumn(col1);
>         
>         // Job column
>         CellRendererText crt2 = new CellRendererText();
>         TreeViewColumn col2 = new TreeViewColumn ("Job", crt2, "text", 1);
>         col2.AddAttribute (crt2, "weight", 3);
>         col2.AddAttribute (crt2, "style", 4);
>         col2.AddAttribute (crt2, "foreground", 5);
>         col2.AddAttribute (crt2, "background", 6);
>         tv.AppendColumn(col2);
>         
>         // State column
>         CellRendererText crt3 = new CellRendererText();
>         TreeViewColumn col3 = new TreeViewColumn ("Etat", crt3, "text", 2);
>         col3.AddAttribute (crt3, "weight", 3);
>         col3.AddAttribute (crt3, "style", 4);
>         col3.AddAttribute (crt3, "foreground", 5);
>         col3.AddAttribute (crt3, "background", 6);
>         tv.AppendColumn(col3);
> 
>         tv.Selection.Changed += new EventHandler (OnSelectionChanged);
>         sw.Add(tv);
>         tv.Show();
> 
> And then to browse and change one of the lines parameter :
> 
>         TreeIter iter;
>         TreeModel model;
>         ArrayList jobsToDownloadAgain = new ArrayList();
>         if (jobsStore.GetIterFirst(out iter))
>         {
>             do
>             {
>                     // Job has not been copied, its state is NOK and bgd red
>                     jobsStore.SetValue (iter, 2, "Done");
>                     jobsStore.SetValue (iter, 6, "red");
>             }
>             while (jobsStore.IterNext(ref iter));
>         }
> 
> But in my case, I needed to browse the rows, where in your code you don't...
> 
> Thanks a lot,
> Vincent
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> 
> 
-- 
Christian Rudh <lists-christian@rudh.se>