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perf(coord. refr.): imrove the speed of layout, size and position recalculation

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Reduce the number of refreshes.
This commit is contained in:
Gabor Kiss-Vamosi
2021-05-05 15:53:54 +02:00
parent 79d9f299ef
commit 6cb28da8e9
7 changed files with 46 additions and 66 deletions
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28
src/core/lv_obj.c
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@@ -685,19 +685,17 @@ static void lv_obj_event(const lv_obj_class_t * class_p, lv_event_t * e)
lv_obj_clear_state(obj, LV_STATE_FOCUSED | LV_STATE_EDITED | LV_STATE_FOCUS_KEY);
}
else if(code == LV_EVENT_SIZE_CHANGED) {
uint32_t i;
for(i = 0; i < lv_obj_get_child_cnt(obj); i++) {
lv_obj_t * child = lv_obj_get_child(obj, i);
lv_obj_refr_size(child);
lv_obj_refr_pos(child);
}
lv_coord_t align = lv_obj_get_style_align(obj, LV_PART_MAIN);
uint16_t layout = lv_obj_get_style_layout(obj, LV_PART_MAIN);
if(layout || align) {
lv_obj_mark_layout_as_dirty(obj);
}
uint32_t i;
for(i = 0; i < lv_obj_get_child_cnt(obj); i++) {
lv_obj_t * child = lv_obj_get_child(obj, i);
lv_obj_mark_layout_as_dirty(child);
}
}
else if(code == LV_EVENT_CHILD_CHANGED) {
lv_coord_t w = lv_obj_get_style_width(obj, LV_PART_MAIN);
@@ -723,20 +721,6 @@ static void lv_obj_event(const lv_obj_class_t * class_p, lv_event_t * e)
lv_coord_t d = lv_obj_calculate_ext_draw_size(obj, LV_PART_MAIN);
*s = LV_MAX(*s, d);
}
else if(code == LV_EVENT_STYLE_CHANGED) {
/*Padding might have changed so the layout should be recalculated*/
uint32_t i;
for(i = 0; i < lv_obj_get_child_cnt(obj); i++) {
lv_obj_t * child = lv_obj_get_child(obj, i);
lv_obj_refr_size(child);
lv_obj_refr_pos(child);
}
lv_obj_mark_layout_as_dirty(obj);
lv_obj_refresh_ext_draw_size(obj);
}
else if(code == LV_EVENT_DRAW_MAIN || code == LV_EVENT_DRAW_POST || code == LV_EVENT_COVER_CHECK) {
lv_obj_draw(e);
}