Re: renderer_text == editable

[mige <mige_harimurti yahoo com>]

Markus Lausser wrote:

> Hello.
>
> I have few problems with a GtkTreeView (file browser). I'd like it to
> have to following functionality: 
> - double left click opens the file.
> - one column should be editable for renaming the file.
> - right click should popup a menu.
>
> Selection mode is GTK_SELECTION_MULTIPLE.
> Now several questions:
> - Is there a way to let gtk handle all the selection stuff before
>  my button-press callback is called? g_signal_connect_after() seems
>  to skip my function, so i do all the selection stuff in the callback
>  manually before creating the popup menu.
I see you already get the GtkTreeSelection.
You can connect callback to the "changed" signal for the selection.

> - What is the standard way of selecting when right clicking a row?
>  Should this row be selected and all others deselected before creating
>  the menu? Or should the selection be modified according to the key
>  modifiers? What is a good GUI expected to do?
Sorry ...  don't know about the "standard way"

> - If i double click a row then i call the open_file() function, but
>  unfortunately also the cell is edited by gtk, how to prevent this?
>  
My be you need  GtkTreeSelectionFunc () set to the selection.

> Here's some of my button_press callback code (C++ style):
>
> gboolean on_button_pressed(GtkTreeView *tv, GdkEventButton *event) {
>  node_t* node;
>
>  /* dont handle key mods */
>  if (event->state) return FALSE;
>
>  if (!gtk_tree_view_get_path_at_pos(tv, event->x, event->y,
> 				     &path, NULL, NULL, NULL)) 
>    return FALSE;
>
>  GtkTreeModel* model = gtk_tree_view_get_model(tv);
>  GtkTreeSelection* select = gtk_tree_view_get_selection (tv);
>
>  // is current row selected? Is there a gtk function to check this?
>  gboolean selected = path_selected(select, path);
>  
gtk_tree_selection_path_is_selected (select, path)


>  gtk_tree_model_get_iter(model, &iter, path);
>  gtk_tree_path_free(path);
>
>  // get the data pointer for this row
>  gtk_tree_model_get (model, &iter, 0, &node, -1);
>
>  if (event->button == 1) {
>    // double left click
>    if (event->type == GDK_2BUTTON_PRESS) {
>      open_file(node->file->longname);
>      return TRUE;
>    }
>    return FALSE;
>  } else if (event->button == 3) {
>    /* unselected selection if current node is not selected
>       otherwise simply keep the current selection
>    if (!selected) {
>      gtk_tree_selection_unselect_all(select);
>      gtk_tree_selection_select_iter(select, &iter);
>    }
>    pop = gui_create_popup_menu(...);
>    if (pop) {
>      gtk_menu_popup(GTK_MENU(pop), NULL, NULL, NULL, NULL,
>                      event->button, event->time);
>    }
>    return TRUE;
>  }
>  return FALSE
> }
>
> Markus.
>
>
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