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Ticket #3562: fix Glib-critical asserts in empty WListbox.

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Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
wwp 2016-06-08 14:44:25 +03:00 committed by Andrew Borodin
parent e4badcf7bc
commit e629712197
1 changed files with 18 additions and 9 deletions
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27
lib/widget/listbox.c
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@ -52,7 +52,7 @@ const global_keymap_t *listbox_map = NULL;
/*** file scope macro definitions ****************************************************************/
/* Gives the position of the last item. */
#define LISTBOX_LAST(l) (g_queue_is_empty ((l)->list) ? 0 : (int) g_queue_get_length ((l)->list) - 1)
#define LISTBOX_LAST(l) (listbox_is_empty (l) ? 0 : (int) g_queue_get_length ((l)->list) - 1)
/*** file scope type declarations ****************************************************************/
@ -231,10 +231,13 @@ listbox_y_pos (WListbox * l, int y)
static void
listbox_fwd (WListbox * l, gboolean wrap)
{
if ((guint) l->pos + 1 < g_queue_get_length (l->list))
listbox_select_entry (l, l->pos + 1);
else if (wrap)
listbox_select_first (l);
if (!listbox_is_empty (l))
{
if ((guint) l->pos + 1 < g_queue_get_length (l->list))
listbox_select_entry (l, l->pos + 1);
else if (wrap)
listbox_select_first (l);
}
}
/* --------------------------------------------------------------------------------------------- */
@ -250,10 +253,13 @@ listbox_fwd_n (WListbox * l, int n)
static void
listbox_back (WListbox * l, gboolean wrap)
{
if (l->pos > 0)
listbox_select_entry (l, l->pos - 1);
else if (wrap)
listbox_select_last (l);
if (!listbox_is_empty (l))
{
if (l->pos > 0)
listbox_select_entry (l, l->pos - 1);
else if (wrap)
listbox_select_last (l);
}
}
/* --------------------------------------------------------------------------------------------- */
@ -402,6 +408,9 @@ listbox_do_action (WListbox * l)
{
int action;
if (listbox_is_empty (l))
return;
if (l->callback != NULL)
action = l->callback (l);
else