[Thunar-dev] Creating a submenu in a thunar extension

[Adam Plumb]

After digging in a bit more, the reason why thunar-vcs-plugin is able to
create submenus is because they register a new menu provider for each
submenu.  While this works to a degree, I'd like to have more flexibility as
well as allow more than one level of submenus to be possible.

In order to get "real" submenus working for thunar extensions, the
thunar_standard_view_merge_custom_actions() function needs to be modified
and a new *_add_custom_actions function needs to be created to recursively
add submenus and submenu actions.  Nautilus does something similar to this,
actually.

I've got a working patch for thunar that I will be submitting shortly.

Adam

On Mon, Dec 14, 2009 at 10:07 AM, Adam Plumb <adamplumb at gmail.com> wrote:

> I'm trying to create a simple submenu for a thunar extension, and I just
> can't get it to show up.  The parent item shows up fine, but the submenu
> does not.  Here is the get_file_actions code I'm using...
>
> static GList*
> twp_provider_get_file_actions (ThunarxMenuProvider *menu_provider,
>                                GtkWidget           *window,
>                                GList               *files)
> {
>   GtkWidget *action = NULL;
>   GList     *actions = NULL;
>   GtkWidget *item = NULL;
>   GtkWidget *menu = NULL;
>   GtkAction *subaction = NULL;
>   GtkWidget *subitem = NULL;
>
>   action = gtk_action_new("Txp::menuitem",
>                             NULL,
>                            "Menu Parent",
>                          NULL);
>
>   item = gtk_action_create_menu_item(GTK_ACTION(action));
>
>   menu = gtk_menu_new();
>   gtk_menu_item_set_submenu(GTK_MENU_ITEM (item), menu);
>
>   subaction = gtk_action_new("Txp::submenuitem",
>                             NULL,
>                            "Submenu Item",
>                          NULL);
>   subitem = gtk_action_create_menu_item(GTK_ACTION(subaction));
>   gtk_menu_shell_append(GTK_MENU_SHELL(menu), subitem);
>   gtk_widget_show(subitem);
>
>   actions = g_list_append (actions, action);
>
>   return actions;
> }
>
> Can anyone tell me what I'm doing wrong?
>
> Thanks,
> Adam
>
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