WLEntry *
listbox_get_nth_item (const WListbox * l, int pos)
{
if (!listbox_is_empty (l) && pos >= 0)
{
GList *item;
item = g_queue_peek_nth_link (l->list, (guint) pos);
if (item != NULL)
return LENTRY (item->data);
}
return NULL;
}
int
listbox_search_text (WListbox * l, const char *text)
{
if (!listbox_is_empty (l))
{
int i;
GList *le;
for (i = 0, le = g_queue_peek_head_link (l->list); le != NULL; i++, le = g_list_next (le))
{
WLEntry *e = LENTRY (le->data);
if (strcmp (e->text, text) == 0)
return i;
}
}
return (-1);
}
static int
listbox_check_hotkey (WListbox * l, int key)
{
if (!listbox_is_empty (l))
{
int i;
GList *le;
for (i = 0, le = g_queue_peek_head_link (l->list); le != NULL; i++, le = g_list_next (le))
{
WLEntry *e = LENTRY (le->data);
if (e->hotkey == key)
return i;
}
}
return (-1);
}
/**
* Finds item by its 'data' slot.
*/
int
listbox_search_data (WListbox * l, const void *data)
{
if (!listbox_is_empty (l))
{
int i;
GList *le;
for (i = 0, le = g_queue_peek_head_link (l->list); le != NULL; i++, le = g_list_next (le))
{
WLEntry *e = LENTRY (le->data);
if (e->data == data)
return i;
}
}
return (-1);
}
void
listbox_remove_current (WListbox * l)
{
if (!listbox_is_empty (l))
{
GList *current;
int length;
current = g_queue_peek_nth_link (l->list, (guint) l->pos);
listbox_entry_free (LENTRY (current->data));
g_queue_delete_link (l->list, current);
length = g_queue_get_length (l->list);
if (length == 0)
l->top = l->pos = 0;
else if (l->pos >= length)
l->pos = length - 1;
}
}
static void
listbox_draw (WListbox * l, gboolean focused)
{
Widget *w = WIDGET (l);
const WDialog *h = w->owner;
const gboolean disabled = (w->options & W_DISABLED) != 0;
const int normalc = disabled ? DISABLED_COLOR : h->color[DLG_COLOR_NORMAL];
/* *INDENT-OFF* */
int selc = disabled
? DISABLED_COLOR
: focused
? h->color[DLG_COLOR_HOT_FOCUS]
: h->color[DLG_COLOR_FOCUS];
/* *INDENT-ON* */
int length = 0;
GList *le = NULL;
int pos;
int i;
int sel_line = -1;
if (l->list != NULL)
{
length = g_queue_get_length (l->list);
le = g_queue_peek_nth_link (l->list, (guint) l->top);
}
/* pos = (le == NULL) ? 0 : g_list_position (l->list, le); */
pos = (le == NULL) ? 0 : l->top;
for (i = 0; i < w->lines; i++)
{
const char *text = "";
/* Display the entry */
if (pos == l->pos && sel_line == -1)
{
sel_line = i;
tty_setcolor (selc);
}
else
tty_setcolor (normalc);
widget_move (l, i, 1);
if (l->list != NULL && le != NULL && (i == 0 || pos < length))
{
WLEntry *e = LENTRY (le->data);
text = e->text;
le = g_list_next (le);
pos++;
}
tty_print_string (str_fit_to_term (text, w->cols - 2, J_LEFT_FIT));
}
l->cursor_y = sel_line;
if (l->scrollbar && length > w->lines)
{
tty_setcolor (normalc);
listbox_drawscroll (l);
}
}
