Re: TreeView Questions

[Jonathan Blandford <jrb redhat com>]

SkyRat23 aol com writes:

> Hi.  I have recently begun porting one of my programs to GTK2 and have decided to use the TreeView instead 
> of the CList.  Now it is much more difficult to learn how to properly use the TreeView than a CList and I 
> have a few things I cannot figure out.
>
> 1st How does one change the color for the font of just a single row.
> I could use gtk_clist_set_foreground before but now I am at a loss to
> figure it out.

Put the string you want in your model and hook it up to the "foreground"
property.  For example, if you have the following list:

[ "text",  "black",
  "text2", "red",
  "text3", "black" ]

you can create your column like this:

gtk_tree_view_column_new_with_attributes ("Title",
                                          gtk_cell_renderer_text_new (),
                                          "text", 0,
                                          "foreground", 1,
                                          NULL);

> 2nd I need to catch double click signals from the user input on the
> treeview.  I do this using a button press event, I check for the
> double click by checking the event type.  This works fine however
> because I catch the button press signal, the row that the user clicks
> on is never selected (even on a sigle click).  I would like for it to
> be selected however.  I was thinking the function
> gtk_selection_select_path could be used b/c I have a path to the row
> however, what would/where would/how would I get the GtkTreeSelection
> that the function requires.

Connect to the "GtkTreeView::row_activated" signal.  Note that you
probably returned TRUE in your event handler which will stop GTK+ from
getting the event.

Thanks,
-Jonathan