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Alejandro Guerrero 2026-09-27 17:21:39 +02:00
commit e6a42e28e9
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libraries/lvgl/examples/event/lv_example_event_1.c Normal file
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#include "../lv_examples.h"
#if LV_BUILD_EXAMPLES && LV_USE_SWITCH
static void event_cb(lv_event_t * e)
{
LV_LOG_USER("Clicked");
static uint32_t cnt = 1;
lv_obj_t * btn = lv_event_get_target(e);
lv_obj_t * label = lv_obj_get_child(btn, 0);
lv_label_set_text_fmt(label, "%"LV_PRIu32, cnt);
cnt++;
}
/**
* Add click event to a button
*/
void lv_example_event_1(void)
{
lv_obj_t * btn = lv_btn_create(lv_scr_act());
lv_obj_set_size(btn, 100, 50);
lv_obj_center(btn);
lv_obj_add_event_cb(btn, event_cb, LV_EVENT_CLICKED, NULL);
lv_obj_t * label = lv_label_create(btn);
lv_label_set_text(label, "Click me!");
lv_obj_center(label);
}
#endif