Re: Retrieving label from menu item

[rob <mailingLists pangolin org uk>]

On Mon, 2001-12-10 at 23:18, Marco Quezada wrote:
> I wrote a small program that parses a source code development tree 
> (directory structure on disk) and then places each source file into menu 
> items. I use the following code to set the menu and connect the signal 
> to the button press event so that when the user clicks on the name of a 
> file that file is opened in the source code editor:
>
> file_name_label = gtk_menu_item_new_with_label (menu_label);
> gtk_menu_append (GTK_MENU (toolbar_alpha_submenus), file_name_label);
> gtk_widget_show (file_name_label);
> gtk_signal_connect_object (GTK_OBJECT (file_name_label), 
> "button_press_event",
>                            GTK_SIGNAL_FUNC (edit_this_file), (gpointer) 
> g_strdup (path));
>
> This is easy code but inefficient because the path to the file is a 
> string that is not being freed. The path is necessary for the editor to 
> know what file to launch. However, I have that information in 
> menu_label. My question then is: how can the label string on the menu 
> item be retrieved?
>
> I tried looking at the value returned from :
>
> gtk_label_get(GTK_LABEL(file_name_label), label_string);

the menu item is a gtk_bin that contains a label so

gtk_label_get(GTK_LABEL(GTK_BIN(file_name_label)->child),
              label_string);
 
should do it

> and although it core dumps (which I expected since file_name_label is 
> not a GTK_LABEL) it seems to be able to extract the string from the object.
>
> Is there any other way to achieve this?
>
> Thanks.
>
> -- 
> Marco Quezada
> Aerospaceo Engineero
> NLX Corporation
> 22626 Sally Ride Dr.
> Sterling, VA, 20164
> mquezada nlxcorp com
> 703-234-2100 x1028
> http://www.nlxcorp.com
>
>
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-- 

rob