void
widget_replace (Widget * old_w, Widget * new_w)
{
WDialog *h = old_w->owner;
gboolean should_focus = FALSE;
GList *holder;
if (h->widgets == NULL)
return;
if (h->current == NULL)
h->current = h->widgets;
/* locate widget position in the list */
if (old_w == h->current->data)
holder = h->current;
else
holder = g_list_find (h->widgets, old_w);
/* if old widget is focused, we should focus the new one... */
if (widget_get_state (old_w, WST_FOCUSED))
should_focus = TRUE;
/* ...but if new widget isn't selectable, we cannot focus it */
if (!widget_get_options (new_w, WOP_SELECTABLE))
should_focus = FALSE;
/* if new widget isn't selectable, select other widget before replace */
if (!should_focus)
{
GList *l;
for (l = dlg_get_widget_next_of (holder);
!widget_get_options (WIDGET (l->data), WOP_SELECTABLE)
&& !widget_get_state (WIDGET (l->data), WST_DISABLED); l = dlg_get_widget_next_of (l))
;
widget_select (WIDGET (l->data));
}
/* replace widget */
new_w->owner = h;
new_w->id = old_w->id;
holder->data = new_w;
send_message (old_w, NULL, MSG_DESTROY, 0, NULL);
send_message (new_w, NULL, MSG_INIT, 0, NULL);
if (should_focus)
widget_select (new_w);
else
widget_redraw (new_w);
}
void
update_cursor (WDialog * h)
{
GList *p = h->current;
if (p != NULL && widget_get_state (WIDGET (h), WST_ACTIVE))
{
Widget *w = WIDGET (p->data);
if (!widget_get_state (w, WST_DISABLED) && widget_get_options (w, WOP_WANT_CURSOR))
send_message (w, NULL, MSG_CURSOR, 0, NULL);
else
do
{
p = dlg_get_widget_next_of (p);
if (p == h->current)
break;
w = WIDGET (p->data);
if (!widget_get_state (w, WST_DISABLED) && widget_get_options (w, WOP_WANT_CURSOR)
&& send_message (w, NULL, MSG_CURSOR, 0, NULL) == MSG_HANDLED)
break;
}
while (TRUE);
}
}
static cb_ret_t
dlg_try_hotkey (WDialog * h, int d_key)
{
GList *hot_cur;
Widget *current;
cb_ret_t handled;
int c;
if (h->widgets == NULL)
return MSG_NOT_HANDLED;
if (h->current == NULL)
h->current = h->widgets;
/*
* Explanation: we don't send letter hotkeys to other widgets if
* the currently selected widget is an input line
*/
current = WIDGET (h->current->data);
if (widget_get_state (current, WST_DISABLED))
return MSG_NOT_HANDLED;
if (widget_get_options (current, WOP_IS_INPUT))
{
/* skip ascii control characters, anything else can valid character in
* some encoding */
if (d_key >= 32 && d_key < 256)
return MSG_NOT_HANDLED;
}
/* If it's an alt key, send the message */
c = d_key & ~ALT (0);
if (d_key & ALT (0) && g_ascii_isalpha (c))
d_key = g_ascii_tolower (c);
handled = MSG_NOT_HANDLED;
if (widget_get_options (current, WOP_WANT_HOTKEY))
handled = send_message (current, NULL, MSG_HOTKEY, d_key, NULL);
/* If not used, send hotkey to other widgets */
if (handled == MSG_HANDLED)
return MSG_HANDLED;
hot_cur = dlg_get_widget_next_of (h->current);
/* send it to all widgets */
while (h->current != hot_cur && handled == MSG_NOT_HANDLED)
{
current = WIDGET (hot_cur->data);
if (widget_get_options (current, WOP_WANT_HOTKEY)
&& !widget_get_state (current, WST_DISABLED))
handled = send_message (current, NULL, MSG_HOTKEY, d_key, NULL);
if (handled == MSG_NOT_HANDLED)
hot_cur = dlg_get_widget_next_of (hot_cur);
}
if (handled == MSG_HANDLED)
widget_select (WIDGET (hot_cur->data));
return handled;
}