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feat(event) rework the prototype of lv_event_cb

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It encapsulates all event related parameters into a single lv_event_t obejct.
This commit is contained in:
Gabor Kiss-Vamosi
2021-04-14 15:31:54 +02:00
parent c090af0f26
commit 422c9e5bd6
67 changed files with 688 additions and 506 deletions
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15
examples/widgets/chart/lv_example_chart_4.c
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@@ -2,16 +2,19 @@
#if LV_USE_CHART && LV_BUILD_EXAMPLES
static void event_cb(lv_obj_t * chart, lv_event_t e)
static void event_cb(lv_event_t * e)
{
if(e == LV_EVENT_VALUE_CHANGED) {
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * chart = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
lv_obj_invalidate(chart);
}
if(e == LV_EVENT_REFR_EXT_DRAW_SIZE) {
lv_coord_t * s = lv_event_get_param();
if(code == LV_EVENT_REFR_EXT_DRAW_SIZE) {
lv_coord_t * s = lv_event_get_param(e);
*s = LV_MAX(*s, 20);
}
else if(e == LV_EVENT_DRAW_POST_END) {
else if(code == LV_EVENT_DRAW_POST_END) {
int32_t id = lv_chart_get_pressed_point(chart);
if(id == LV_CHART_POINT_NONE) return;
@@ -42,7 +45,7 @@ static void event_cb(lv_obj_t * chart, lv_event_t e)
a.y1 = chart->coords.y1 + p.y - 30;
a.y2 = chart->coords.y1 + p.y - 10;
const lv_area_t * clip_area = lv_event_get_param();
const lv_area_t * clip_area = lv_event_get_param(e);
lv_draw_rect(&a, clip_area, &draw_rect_dsc);
ser = lv_chart_get_series_next(chart, ser);