static void
dlg_broadcast_msg_to (WDialog * h, widget_msg_t msg, gboolean reverse, int flags)
{
GList *p, *first;
if (h->widgets == NULL)
return;
if (h->current == NULL)
h->current = h->widgets;
if (reverse)
p = dlg_widget_prev (h, h->current);
else
p = dlg_widget_next (h, h->current);
first = p;
do
{
Widget *w = WIDGET (p->data);
if (reverse)
p = dlg_widget_prev (h, p);
else
p = dlg_widget_next (h, p);
if ((flags == 0) || ((flags & w->options) != 0))
send_message (w, NULL, msg, 0, NULL);
}
while (first != p);
}
/** delete widget from dialog */
void
del_widget (void *w)
{
WDialog *h;
GList *d;
/* Don't accept NULL widget. This shouldn't happen */
if (w == NULL)
abort ();
h = WIDGET (w)->owner;
d = g_list_find (h->widgets, w);
if (d == h->current)
h->current = dlg_widget_next (h, d);
h->widgets = g_list_remove_link (h->widgets, d);
send_message (d->data, NULL, MSG_DESTROY, 0, NULL);
g_free (d->data);
g_list_free_1 (d);
/* widget has been deleted in runtime */
if (h->state == DLG_ACTIVE)
{
dlg_redraw (h);
dlg_focus (h);
}
}
void
update_cursor (WDialog * h)
{
GList *p = h->current;
if ((p != NULL) && (h->state == DLG_ACTIVE))
{
Widget *w;
w = WIDGET (p->data);
if (((w->options & W_DISABLED) == 0) && ((w->options & W_WANT_CURSOR) != 0))
send_message (w, NULL, MSG_CURSOR, 0, NULL);
else
do
{
p = dlg_widget_next (h, p);
if (p == h->current)
break;
w = WIDGET (p->data);
if (((w->options & W_DISABLED) == 0) && ((w->options & W_WANT_CURSOR) != 0))
if (send_message (w, NULL, MSG_CURSOR, 0, NULL) == MSG_HANDLED)
break;
}
while (TRUE);
}
}
void
dlg_init (WDialog * h)
{
if (top_dlg != NULL && DIALOG (top_dlg->data)->modal)
h->modal = TRUE;
/* add dialog to the stack */
top_dlg = g_list_prepend (top_dlg, h);
/* Initialize dialog manager and widgets */
if (h->state == DLG_CONSTRUCT)
{
if (!h->modal)
dialog_switch_add (h);
send_message (h, NULL, MSG_INIT, 0, NULL);
dlg_broadcast_msg (h, MSG_INIT);
dlg_read_history (h);
}
h->state = DLG_ACTIVE;
/* Select the first widget that takes focus */
while (h->current != NULL && !dlg_focus (h))
h->current = dlg_widget_next (h, h->current);
dlg_redraw (h);
h->ret_value = 0;
}
/** delete widget from dialog */
void
del_widget (void *w)
{
Dlg_head *h = ((Widget *) w)->owner;
GList *d;
/* Don't accept NULL widget. This shouldn't happen */
if (w == NULL)
abort ();
d = g_list_find (h->widgets, w);
if (d == h->current)
{
if ((h->flags & DLG_REVERSE) != 0)
h->current = dlg_widget_prev (h, d);
else
h->current = dlg_widget_next (h, d);
}
h->widgets = g_list_remove_link (h->widgets, d);
send_message (d->data, WIDGET_DESTROY, 0);
g_list_free_1 (d);
/* widget has been deleted in runtime */
if (h->state == DLG_ACTIVE)
{
dlg_redraw (h);
dlg_focus (h);
}
}
void
init_dlg (Dlg_head * h)
{
if ((top_dlg != NULL) && ((Dlg_head *) top_dlg->data)->modal)
h->modal = TRUE;
/* add dialog to the stack */
top_dlg = g_list_prepend (top_dlg, h);
/* Initialize dialog manager and widgets */
if (h->state == DLG_CONSTRUCT)
{
if (!h->modal)
dialog_switch_add (h);
h->callback (h, NULL, DLG_INIT, 0, NULL);
dlg_broadcast_msg (h, WIDGET_INIT, FALSE);
dlg_read_history (h);
}
h->state = DLG_ACTIVE;
/* Select the first widget that takes focus */
while (h->current != NULL && !dlg_focus (h))
h->current = dlg_widget_next (h, h->current);
dlg_redraw (h);
h->ret_value = 0;
}
static int
dlg_mouse_event (Dlg_head * h, Gpm_Event * event)
{
GList *item;
GList *starting_widget = h->current;
int x = event->x;
int y = event->y;
/* close the dialog by mouse click out of dialog area */
if (mouse_close_dialog && !h->fullscreen && ((event->buttons & GPM_B_LEFT) != 0)
&& ((event->type & GPM_DOWN) != 0) /* left click */
&& !((x > h->x) && (x <= h->x + h->cols) && (y > h->y) && (y <= h->y + h->lines)))
{
h->ret_value = B_CANCEL;
dlg_stop (h);
return MOU_NORMAL;
}
item = starting_widget;
do
{
Widget *widget = (Widget *) item->data;
if ((h->flags & DLG_REVERSE) == 0)
item = dlg_widget_prev (h, item);
else
item = dlg_widget_next (h, item);
if ((widget->options & W_DISABLED) == 0 && widget->mouse != NULL)
{
/* put global cursor position to the widget */
int ret;
ret = widget->mouse (event, widget);
if (ret != MOU_UNHANDLED)
return ret;
}
}
while (item != starting_widget);
return MOU_UNHANDLED;
}
static int
dlg_mouse_event (Dlg_head * h, Gpm_Event * event)
{
GList *item;
GList *starting_widget = h->current;
Gpm_Event new_event;
int x = event->x;
int y = event->y;
/* close the dialog by mouse click out of dialog area */
if (mouse_close_dialog && !h->fullscreen && ((event->buttons & GPM_B_LEFT) != 0) && ((event->type & GPM_DOWN) != 0) /* left click */
&& !((x > h->x) && (x <= h->x + h->cols) && (y > h->y) && (y <= h->y + h->lines)))
{
h->ret_value = B_CANCEL;
dlg_stop (h);
return MOU_NORMAL;
}
item = starting_widget;
do
{
Widget *widget;
widget = (Widget *) item->data;
item = dlg_widget_next (h, item);
if (((widget->options & W_DISABLED) == 0)
&& (x > widget->x) && (x <= widget->x + widget->cols)
&& (y > widget->y) && (y <= widget->y + widget->lines))
{
new_event = *event;
new_event.x -= widget->x;
new_event.y -= widget->y;
if (widget->mouse != NULL)
return widget->mouse (&new_event, widget);
}
}
while (item != starting_widget);
return MOU_NORMAL;
}
static void
do_select_widget (WDialog * h, GList * w, select_dir_t dir)
{
Widget *w0 = WIDGET (h->current->data);
if (!dlg_unfocus (h))
return;
h->current = w;
do
{
if (dlg_focus (h))
break;
switch (dir)
{
case SELECT_EXACT:
h->current = g_list_find (h->widgets, w0);
if (dlg_focus (h))
return;
/* try find another widget that can take focus */
dir = SELECT_NEXT;
/* fallthrough */
case SELECT_NEXT:
h->current = dlg_widget_next (h, h->current);
break;
case SELECT_PREV:
h->current = dlg_widget_prev (h, h->current);
break;
}
}
while (h->current != w /* && (WIDGET (h->current->data)->options & W_DISABLED) == 0 */ );
if (widget_overlapped (w0, WIDGET (h->current->data)))
{
send_message (h->current->data, NULL, MSG_DRAW, 0, NULL);
send_message (h->current->data, NULL, MSG_FOCUS, 0, NULL);
}
}
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 ((current->options & W_DISABLED) != 0)
return MSG_NOT_HANDLED;
if (current->options & W_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 ((current->options & W_WANT_HOTKEY) != 0)
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_widget_next (h, h->current);
/* send it to all widgets */
while (h->current != hot_cur && handled == MSG_NOT_HANDLED)
{
current = WIDGET (hot_cur->data);
if ((current->options & W_WANT_HOTKEY) != 0 && (current->options & W_DISABLED) == 0)
handled = send_message (current, NULL, MSG_HOTKEY, d_key, NULL);
if (handled == MSG_NOT_HANDLED)
hot_cur = dlg_widget_next (h, hot_cur);
}
if (handled == MSG_HANDLED)
do_select_widget (h, hot_cur, SELECT_EXACT);
return handled;
}
void
dlg_one_down (WDialog * h)
{
if (h->widgets != NULL)
do_select_widget (h, dlg_widget_next (h, h->current), SELECT_NEXT);
}
