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https://github.com/lvgl/lvgl.git
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44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
#include "../../../lvgl.h"
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#if LV_USE_CHECKBOX && LV_BUILD_EXAMPLES
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static void event_handler(lv_obj_t * obj, lv_event_t event)
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{
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if(event == LV_EVENT_VALUE_CHANGED) {
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const char * txt = lv_checkbox_get_text(obj);
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const char * state = lv_obj_get_state(obj) & LV_STATE_CHECKED ? "Checked" : "Unchecked";
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LV_LOG_USER("%s: %s\n", txt, state);
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}
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}
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void lv_example_checkbox_1(void)
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{
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static lv_flex_t flex_center;
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lv_flex_init(&flex_center);
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lv_flex_set_flow(&flex_center, LV_FLEX_FLOW_COLUMN);
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lv_flex_set_place(&flex_center, LV_FLEX_PLACE_CENTER, LV_FLEX_PLACE_START, LV_FLEX_PLACE_CENTER);
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lv_obj_set_layout(lv_scr_act(), &flex_center);
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lv_obj_t * cb;
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cb = lv_checkbox_create(lv_scr_act(), NULL);
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lv_checkbox_set_text(cb, "Apple");
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lv_obj_add_event_cb(cb, event_handler, NULL);
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cb = lv_checkbox_create(lv_scr_act(), NULL);
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lv_checkbox_set_text(cb, "Banana");
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lv_obj_add_state(cb, LV_STATE_CHECKED);
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lv_obj_add_event_cb(cb, event_handler, NULL);
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cb = lv_checkbox_create(lv_scr_act(), NULL);
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lv_checkbox_set_text(cb, "Lemon");
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lv_obj_add_state(cb, LV_STATE_DISABLED);
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lv_obj_add_event_cb(cb, event_handler, NULL);
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cb = lv_checkbox_create(lv_scr_act(), NULL);
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lv_obj_add_state(cb, LV_STATE_CHECKED | LV_STATE_DISABLED);
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lv_checkbox_set_text(cb, "Melon");
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lv_obj_add_event_cb(cb, event_handler, NULL);
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}
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#endif
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