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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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11
examples/get_started/lv_example_get_started_3.c
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@@ -5,14 +5,11 @@ static lv_obj_t * label;
static void slider_event_cb(lv_event_t * e)
{
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * slider = lv_event_get_target(e);
if(code == LV_EVENT_VALUE_CHANGED) {
/*Refresh the text*/
lv_label_set_text_fmt(label, "%d", lv_slider_get_value(slider));
lv_obj_align_to(label, slider, LV_ALIGN_OUT_TOP_MID, 0, -15); /*Align below the slider*/
}
/*Refresh the text*/
lv_label_set_text_fmt(label, "%d", lv_slider_get_value(slider));
lv_obj_align_to(label, slider, LV_ALIGN_OUT_TOP_MID, 0, -15); /*Align below the slider*/
}
/**
@@ -24,7 +21,7 @@ void lv_example_get_started_3(void)
lv_obj_t * slider = lv_slider_create(lv_scr_act());
lv_obj_set_width(slider, 200); /*Set the width*/
lv_obj_center(slider); /*Align to the center of the parent (screen)*/
lv_obj_add_event_cb(slider, slider_event_cb, NULL); /*Assign an event function*/
lv_obj_add_event_cb(slider, slider_event_cb, LV_EVENT_VALUE_CHANGED, NULL); /*Assign an event function*/
/*Create a label below the slider*/
label = lv_label_create(lv_scr_act());