Re: GtkTreeView: getting selection

[Kristian Rietveld <kris gtk org>]

On Tue, 2002-11-26 at 18:44, Romain Lievin wrote:
> Hi,
>
> I am developping the GTK+ version of the new 2.5 kernel configurator...
>
> I am using GtkTreeModel & GtkTreeView for displaying a tree.
> I would like to retrieve the row and column which have been clicked by the
> user.
> The code below works unless you horizontally scroll the view.
> Why ?
>
> Is there any better way for doing this ?
>
> Thanks, Romain.
>
>
> [================ snippet ======================]
> gboolean
> on_treeview1_button_press_event        (GtkWidget       *widget,
>                                         GdkEventButton  *event,
>                                         gpointer         user_data)
> {
>       GtkTreeView       *view  = GTK_TREE_VIEW (tree_wnd);
>       GtkTreePath       *path;
>       GtkTreeViewColumn *column;
>       GtkTreeIter        iter;
>       struct menu       *menu;
>       gint cx, cy;
>       gint tx, ty;
>       gint wx, wy;
>
>       tx = event->x;
>       ty = event->y;
>
>       gtk_tree_view_tree_to_widget_coords (view, tx, ty, &wx, &wy);

^^^^^^^^^^^

If you remove the call to gtk_tree_view_tree_to_widget_coords things
should work fine. There is no need to convert the coords here.




        -Kris


>       gtk_tree_view_get_path_at_pos (view, wx, wy, &path, &column, &cx, &cy);
>       //printf("%i %i %i %i %i %i\n", tx, ty, wx, wy, cx, cy);
>
>       gtk_tree_view_get_cursor (view, &path, &column);
>       if(path == NULL) {
>               g_warning("button_press_event: path is NULL !\n");
>               return FALSE;
>       }
>
>       gtk_tree_model_get_iter (model, &iter, path);
>       gtk_tree_model_get (model, &iter, PTR_COLUMN, &menu, -1);
>
>       change_sym_value(menu, column2index(column));
>       set_node(&iter, menu, fill_row(menu));
>
>       return FALSE;
> }
> [================ snippet ======================]
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