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feat(event) add event filter to lv_event_send

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This commit is contained in:
Gabor Kiss-Vamosi
2021-04-19 11:15:28 +02:00
parent ddea17afe2
commit bbfcb2454e
43 changed files with 249 additions and 306 deletions
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17
examples/widgets/chart/lv_example_chart_5.c
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@@ -48,21 +48,16 @@ static const lv_coord_t ecg_sample[] = {
static void slider_x_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
int32_t v = lv_slider_get_value(obj);
lv_chart_set_zoom_x(chart, v);
}
int32_t v = lv_slider_get_value(obj);
lv_chart_set_zoom_x(chart, v);
}
static void slider_y_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * obj = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
lv_chart_set_zoom_y(chart, lv_slider_get_value(obj));
}
int32_t v = lv_slider_get_value(obj);
lv_chart_set_zoom_y(chart, v);
}
/**
@@ -90,13 +85,13 @@ void lv_example_chart_5(void)
lv_obj_t * slider;
slider = lv_slider_create(lv_scr_act());
lv_slider_set_range(slider, LV_IMG_ZOOM_NONE, LV_IMG_ZOOM_NONE * 10);
lv_obj_add_event_cb(slider, slider_x_event_cb, NULL);
lv_obj_add_event_cb(slider, slider_x_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_set_size(slider, lv_obj_get_width(chart), 10);
lv_obj_align_to(slider, chart, LV_ALIGN_OUT_BOTTOM_MID, 0, 20);
slider = lv_slider_create(lv_scr_act());
lv_slider_set_range(slider, LV_IMG_ZOOM_NONE, LV_IMG_ZOOM_NONE * 10);
lv_obj_add_event_cb(slider, slider_y_event_cb, NULL);
lv_obj_add_event_cb(slider, slider_y_event_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_set_size(slider, 10, lv_obj_get_height(chart));
lv_obj_align_to(slider, chart, LV_ALIGN_OUT_RIGHT_MID, 20, 0);
}