Re: Changing color for a peculiar GtkCellRendererText

[Piotr Was'kiewicz <piter storm com pl>]

Julien Portalier wrote:
> Hello,
>
> I dare say I'm completely lost with the new GtkTree code of GTK2.0...
> I've been able to set everything, and things looks like to work
> (hopefully)
>
> But, i would like to be able to set a foreground color to a text in a
> particuliar GtkCellRendererCell, i can do it quite easily when creating
> the GtkListStore, by changing the property "foreground" (that's python
> code) :
>
> ---
> // Creating GtkTreeView object :
> treeview = gtk.TreeView( gtk.ListStore( gobject.TYPE_STRING,
>         gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING,
>         gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING ) )
> treeview.set_rules_hint( gtk.TRUE )
> treeview.set_search_column( COL_Line )
> cell = gtk.CellRendererText()
>
> // Setting a foreground color (red) to the cell's text :
> cell.set_property( "foreground-set", gtk.TRUE )
> cell.set_property( "foreground", "#ff0000" )
>
> column = gtk.TreeViewColumn( '', cell, text=COL_Line )
> column.set_sizing( gtk.TREE_VIEW_COLUMN_FIXED )
> column.set_fixed_width( 30 )
> column.set_clickable( gtk.TRUE )
> treeview.append_column( column )
> ---
>
> But, i'd like to be able to change the foreground color whenever i want,
> and not only during creation... the best way to achieve it would be to
> change properties like above, but i can't find a way to get the
> GtkCellRenderer Object for a peculiar cell ... something like :
> ---
> cell = TreeView.get_Model().get_cell_renderer_text( iter, column )
> cell.set_property( "foreground-set", gtk.TRUE )
> cell.set_property( "foreground", "#ff0000" )
> ---
>
> Is there another way to achieve this, or did i miss something in Gtk+
> 2.0 API Ref. ?
> thx in advance,

You can do this by setting: gtk_tree_view_column_set_cell_data_func handler.