lvgl_cpp/examples/widgets/switch/lv_example_switch_1.c

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2023-03-14 11:57:25 +00:00
#include "../../lv_examples.h"
#if LV_USE_SWITCH && LV_BUILD_EXAMPLES
static void event_handler(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_LOG_USER("State: %s\n", lv_obj_has_state(obj, LV_STATE_CHECKED) ? "On" : "Off");
}
}
void lv_example_switch_1(void)
{
lv_obj_set_flex_flow(lv_scr_act(), LV_FLEX_FLOW_COLUMN);
lv_obj_set_flex_align(lv_scr_act(), LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
lv_obj_t * sw;
sw = lv_switch_create(lv_scr_act());
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
sw = lv_switch_create(lv_scr_act());
lv_obj_add_state(sw, LV_STATE_CHECKED);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
sw = lv_switch_create(lv_scr_act());
lv_obj_add_state(sw, LV_STATE_DISABLED);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
sw = lv_switch_create(lv_scr_act());
lv_obj_add_state(sw, LV_STATE_CHECKED | LV_STATE_DISABLED);
lv_obj_add_event_cb(sw, event_handler, LV_EVENT_ALL, NULL);
}
#endif