static int
on_event(struct rtb_element *elem, const struct rtb_event *e)
{
SELF_FROM(elem);
switch (e->type) {
case RTB_MOUSE_DOWN:
case RTB_DRAG_START:
return 1;
case RTB_KEY_PRESS:
if (handle_key_press(self, RTB_EVENT_AS(e, rtb_key_event)))
return 1;
break;
case RTB_MOUSE_CLICK:
if (RTB_EVENT_AS(e, rtb_mouse_event)->button != RTB_MOUSE_BUTTON1)
return 0;
return dispatch_click_event(self, RTB_EVENT_AS(e, rtb_mouse_event));
default:
return super.on_event(elem, e);
}
return 0;
}
int
rtb_elem_deliver_event(struct rtb_element *self, const struct rtb_event *e)
{
int ret;
/* elements should not receive events if they've not been attached
* into the tree yet. */
if (self->state == RTB_STATE_UNATTACHED)
return 0;
ret = self->on_event(self, e);
ret = rtb_handle(self, e) || ret;
switch (e->type) {
case RTB_MOUSE_ENTER:
transition_mouse_enter(self, RTB_EVENT_AS(e, rtb_mouse_event));
break;
case RTB_MOUSE_LEAVE:
transition_mouse_leave(self, RTB_EVENT_AS(e, rtb_mouse_event));
break;
case RTB_FOCUS:
transition_focus(self);
break;
case RTB_UNFOCUS:
transition_unfocus(self);
break;
case RTB_MOUSE_DOWN:
transition_mouse_down(self, RTB_EVENT_AS(e, rtb_mouse_event));
break;
case RTB_MOUSE_UP:
case RTB_DRAG_DROP:
transition_mouse_up(self, RTB_EVENT_AS(e, rtb_mouse_event));
break;
}
return ret;
}
static int
button_clicked(struct rtb_element *tgt,
const struct rtb_event *_e, void *ctx)
{
const struct rtb_button_event *e = RTB_EVENT_AS(_e, rtb_button_event);
if (e->mod_keys) {
if (clicks > 0)
clicks--;
} else
clicks++;
update_label();
return 0;
}