//does a timer event
static int _do_timer_event(AWE_EVENT *event)
{
AWE_WIDGET *wgt = (AWE_WIDGET *)event->timer.data;
if (!wgt) return 0;
_DO(wgt, timer, (wgt, event));
return 1;
}
int object_cmp(kv_t *k1, kv_t *k2)
{
assert(k1->t == k2->t);
assert (TKVOBJECT== k1->t);
kvobj_t *o1;
kvobj_t *o2;
o1 = _DO(k1);
o2 = _DO(k2);
if (NULL != o1->cmp)
{
return o1->cmp(o1, o2);
}
else
return _DO(k1) - _DO(k2);
}
void object_print(kv_t *kv)
{
assert (TKVOBJECT== kv->t);
kvobj_t *kvobj;
kvobj = _DO(kv);
if (NULL != kvobj->print)
{
kvobj->print(kvobj);
}
else
KVPRINT("object: %08x", (unsigned int)kvobj);
}
void object_free(kv_t *kv)
{
assert (TKVOBJECT== kv->t);
kvobj_t *kvobj;
kvobj = _DO(kv);
if (NULL != kvobj->free)
{
kvobj->free(kvobj);
}
FREE(kvobj);
}
//grab event procedure
int awe_grab_event_proc(AWE_EVENT_MODE_ACTION_TYPE action, AWE_EVENT *event, void *data)
{
AWE_WIDGET *wgt;
int p, c;
//only the 'do event' action is interesting
if (!event) return 0;
//'grab widget' is stored in 'data'
wgt = (AWE_WIDGET *)data;
if (!wgt) return 0;
switch (event->type) {
//button down event
case AWE_EVENT_BUTTON_DOWN:
_DO_MOUSE_EVENT(wgt, button_down, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//button up event
case AWE_EVENT_BUTTON_UP:
_DO_MOUSE_EVENT(wgt, button_up, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//mouse moved event
case AWE_EVENT_MOUSE_MOVE:
p = _widget_includes_point(wgt, _last_x, _last_y);
c = _widget_includes_point(wgt, event->mouse.x, event->mouse.y);
if (p == c) {
_DO_MOUSE_EVENT(wgt, mouse_move, event)
}
else if (c) {
if (wgt) wgt->has_mouse = 1;
_DO_MOUSE_EVENT(wgt, mouse_enter, event)
}
else {
if (wgt) wgt->has_mouse = 0;
_DO_MOUSE_EVENT(wgt, mouse_leave, event);
}
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//mouse wheel event
case AWE_EVENT_MOUSE_WHEEL:
_DO_MOUSE_EVENT(wgt, mouse_wheel, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//key down
case AWE_EVENT_KEY_DOWN:
_DO(wgt, key_down, (wgt, event));
return 1;
//key press
case AWE_EVENT_KEY_UP:
_DO(wgt, key_up, (wgt, event));
return 1;
//timer event
case AWE_EVENT_TIMER:
return _do_timer_event(event);
//no event
case AWE_EVENT_NONE:
return 0;
}
//does an event, starting from given 'root'
static int _do_event(AWE_WIDGET *root, AWE_EVENT *event, int force)
{
AWE_WIDGET *curr, *prev, *focus;
switch (event->type) {
//button down event
case AWE_EVENT_BUTTON_DOWN:
curr = _widget_from_point(root, event->mouse.x, event->mouse.y);
if (!curr) {
if (!force) return 0;
curr = root;
}
_DO_MOUSE_EVENT(curr, button_down, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//button up event
case AWE_EVENT_BUTTON_UP:
curr = _widget_from_point(root, event->mouse.x, event->mouse.y);
if (!curr) {
if (!force) return 0;
curr = root;
}
_DO_MOUSE_EVENT(curr, button_up, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 0;
//mouse moved event
case AWE_EVENT_MOUSE_MOVE:
prev = _widget_from_point(root, _last_x, _last_y);
curr = _widget_from_point(root, event->mouse.x, event->mouse.y);
if (prev == 0 && curr == 0) {
if (!force) {
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 0;
}
curr = prev = root;
}
if (prev != curr) {
if (prev) prev->has_mouse = 0;
if (curr) curr->has_mouse = 1;
_DO_MOUSE_EVENT(prev, mouse_leave, event);
_DO_MOUSE_EVENT(curr, mouse_enter, event);
}
else _DO_MOUSE_EVENT(curr, mouse_move, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//mouse wheel event
case AWE_EVENT_MOUSE_WHEEL:
focus = awe_get_focus_widget();
if (!focus) {
if (!force) return 0;
focus = root;
}
_DO_MOUSE_EVENT(focus, mouse_wheel, event);
_last_x = event->mouse.x;
_last_y = event->mouse.y;
return 1;
//key down
case AWE_EVENT_KEY_DOWN:
focus = awe_get_focus_widget();
if (!focus) {
if (!force) return 0;
focus = root;
}
_DO(focus, key_down, (focus, event));
return 1;
//key press
case AWE_EVENT_KEY_UP:
focus = awe_get_focus_widget();
if (!focus) {
if (!force) return 0;
focus = root;
}
_DO(focus, key_up, (focus, event));
return 1;
//timer event
case AWE_EVENT_TIMER:
return _do_timer_event(event);
//no event
case AWE_EVENT_NONE:
return 0;
}
return 0;
}