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feat(chart): trigger draw hook event on the bars of chart

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Gabor Kiss-Vamosi 2021-02-25 15:17:30 +01:00
parent 8c34c1533e
commit c846a37adc
1 changed files with 12 additions and 0 deletions
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12
src/lv_widgets/lv_chart.c
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@ -818,10 +818,17 @@ static void draw_series_bar(lv_obj_t * obj, const lv_area_t * clip_area)
bool mask_ret = _lv_area_intersect(&series_mask, &obj->coords, clip_area); bool mask_ret = _lv_area_intersect(&series_mask, &obj->coords, clip_area);
if(mask_ret == false) return; if(mask_ret == false) return;
lv_obj_draw_hook_dsc_t hook_dsc;
lv_obj_draw_hook_dsc_init(&hook_dsc, &series_mask);
hook_dsc.part = LV_PART_ITEMS;
/*Go through all points*/ /*Go through all points*/
for(i = 0; i < chart->point_cnt; i++) { for(i = 0; i < chart->point_cnt; i++) {
lv_coord_t x_act = (int32_t)((int32_t)(w + block_gap) * i) / (chart->point_cnt) + obj->coords.x1 + x_ofs; lv_coord_t x_act = (int32_t)((int32_t)(w + block_gap) * i) / (chart->point_cnt) + obj->coords.x1 + x_ofs;
hook_dsc.id = i;
/*Draw the current point of all data line*/ /*Draw the current point of all data line*/
_LV_LL_READ_BACK(&chart->series_ll, ser) { _LV_LL_READ_BACK(&chart->series_ll, ser) {
if (ser->hidden) continue; if (ser->hidden) continue;
@ -842,7 +849,12 @@ static void draw_series_bar(lv_obj_t * obj, const lv_area_t * clip_area)
col_a.y1 = h - y_tmp + obj->coords.y1 + y_ofs; col_a.y1 = h - y_tmp + obj->coords.y1 + y_ofs;
if(ser->points[p_act] != LV_CHART_POINT_DEF) { if(ser->points[p_act] != LV_CHART_POINT_DEF) {
hook_dsc.draw_area = &col_a;
hook_dsc.rect_dsc = &col_dsc;
hook_dsc.sub_part_ptr = ser;
lv_event_send(chart, LV_EVENT_DRAW_PART_BEGIN, &hook_dsc);
lv_draw_rect(&col_a, &series_mask, &col_dsc); lv_draw_rect(&col_a, &series_mask, &col_dsc);
lv_event_send(chart, LV_EVENT_DRAW_PART_END, &hook_dsc);
} }
} }
} }