static cb_ret_t
listbox_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
{
WListbox *l = LISTBOX (w);
cb_ret_t ret_code;
switch (msg)
{
case MSG_INIT:
return MSG_HANDLED;
case MSG_HOTKEY:
{
int pos;
pos = listbox_check_hotkey (l, parm);
if (pos < 0)
return MSG_NOT_HANDLED;
listbox_run_hotkey (l, pos);
return MSG_HANDLED;
}
case MSG_KEY:
ret_code = listbox_key (l, parm);
if (ret_code != MSG_NOT_HANDLED)
listbox_on_change (l);
return ret_code;
case MSG_ACTION:
return listbox_execute_cmd (l, parm);
case MSG_CURSOR:
widget_move (l, l->cursor_y, 0);
return MSG_HANDLED;
case MSG_FOCUS:
case MSG_UNFOCUS:
l->focused = msg == MSG_FOCUS;
/* fall through */
case MSG_DRAW:
listbox_draw (l, l->focused);
return MSG_HANDLED;
case MSG_DESTROY:
listbox_destroy (l);
return MSG_HANDLED;
case MSG_RESIZE:
return MSG_HANDLED;
default:
return widget_default_callback (w, sender, msg, parm, data);
}
}
static int
listbox_event (Gpm_Event * event, void *data)
{
WListbox *l = LISTBOX (data);
Widget *w = WIDGET (data);
if (!mouse_global_in_widget (event, w))
return MOU_UNHANDLED;
/* Single click */
if ((event->type & GPM_DOWN) != 0)
dlg_select_widget (l);
if (listbox_is_empty (l))
return MOU_NORMAL;
if ((event->type & (GPM_DOWN | GPM_DRAG)) != 0)
{
int ret = MOU_REPEAT;
Gpm_Event local;
int i;
local = mouse_get_local (event, w);
if (local.y < 1)
for (i = -local.y; i >= 0; i--)
listbox_back (l);
else if (local.y > w->lines)
for (i = local.y - w->lines; i > 0; i--)
listbox_fwd (l);
else if ((local.buttons & GPM_B_UP) != 0)
{
listbox_back (l);
ret = MOU_NORMAL;
}
else if ((local.buttons & GPM_B_DOWN) != 0)
{
listbox_fwd (l);
ret = MOU_NORMAL;
}
else
listbox_select_entry (l, listbox_select_pos (l, l->top, local.y - 1));
/* We need to refresh ourselves since the dialog manager doesn't */
/* know about this event */
listbox_draw (l, TRUE);
return ret;
}
/* Double click */
if ((event->type & (GPM_DOUBLE | GPM_UP)) == (GPM_UP | GPM_DOUBLE))
{
Gpm_Event local;
int action;
local = mouse_get_local (event, w);
dlg_select_widget (l);
listbox_select_entry (l, listbox_select_pos (l, l->top, local.y - 1));
if (l->callback != NULL)
action = l->callback (l);
else
action = LISTBOX_DONE;
if (action == LISTBOX_DONE)
{
w->owner->ret_value = B_ENTER;
dlg_stop (w->owner);
}
}
return MOU_NORMAL;
}
static cb_ret_t
listbox_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
{
WListbox *l = LISTBOX (w);
WDialog *h = w->owner;
cb_ret_t ret_code;
switch (msg)
{
case MSG_INIT:
return MSG_HANDLED;
case MSG_HOTKEY:
{
int pos, action;
pos = listbox_check_hotkey (l, parm);
if (pos < 0)
return MSG_NOT_HANDLED;
listbox_select_entry (l, pos);
send_message (h, w, MSG_ACTION, l->pos, NULL);
if (l->callback != NULL)
action = l->callback (l);
else
action = LISTBOX_DONE;
if (action == LISTBOX_DONE)
{
h->ret_value = B_ENTER;
dlg_stop (h);
}
return MSG_HANDLED;
}
case MSG_KEY:
ret_code = listbox_key (l, parm);
if (ret_code != MSG_NOT_HANDLED)
{
listbox_draw (l, TRUE);
send_message (h, w, MSG_ACTION, l->pos, NULL);
}
return ret_code;
case MSG_ACTION:
return listbox_execute_cmd (l, parm);
case MSG_CURSOR:
widget_move (l, l->cursor_y, 0);
send_message (h, w, MSG_ACTION, l->pos, NULL);
return MSG_HANDLED;
case MSG_FOCUS:
case MSG_UNFOCUS:
case MSG_DRAW:
listbox_draw (l, msg != MSG_UNFOCUS);
return MSG_HANDLED;
case MSG_DESTROY:
listbox_destroy (l);
return MSG_HANDLED;
case MSG_RESIZE:
return MSG_HANDLED;
default:
return widget_default_callback (w, sender, msg, parm, data);
}
}
/* Call this whenever the user changes the selected item. */
static void
listbox_on_change (WListbox * l)
{
listbox_draw (l, TRUE);
send_message (WIDGET (l)->owner, l, MSG_NOTIFY, l->pos, NULL);
}
/*!
Callback to draws the listbox
\return None
\author jfpatry
\date Created: 2000-09-17
\date Modified: 2000-09-17
*/
static void listbox_draw_cb( void *widget )
{
check_assertion( widget != NULL, "widget is NULL" );
listbox_draw( (listbox_t*) widget );
}