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Alejandro Guerrero 2026-09-27 17:21:39 +02:00
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36
libraries/lvgl/examples/widgets/checkbox/lv_example_checkbox_1.py Normal file
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def event_handler(e):
code = e.get_code()
obj = e.get_target()
if code == lv.EVENT.VALUE_CHANGED:
txt = obj.get_text()
if obj.get_state() & lv.STATE.CHECKED:
state = "Checked"
else:
state = "Unchecked"
print(txt + ":" + state)
lv.scr_act().set_flex_flow(lv.FLEX_FLOW.COLUMN)
lv.scr_act().set_flex_align(lv.FLEX_ALIGN.CENTER, lv.FLEX_ALIGN.START, lv.FLEX_ALIGN.CENTER)
cb = lv.checkbox(lv.scr_act())
cb.set_text("Apple")
cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
cb = lv.checkbox(lv.scr_act())
cb.set_text("Banana")
cb.add_state(lv.STATE.CHECKED)
cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
cb = lv.checkbox(lv.scr_act())
cb.set_text("Lemon")
cb.add_state(lv.STATE.DISABLED)
cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
cb = lv.checkbox(lv.scr_act())
cb.add_state(lv.STATE.CHECKED | lv.STATE.DISABLED)
cb.set_text("Melon")
cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
cb.update_layout()