mirror of
https://github.com/lvgl/lvgl.git
synced 2025-01-14 06:42:58 +08:00
24 lines
589 B
Python
24 lines
589 B
Python
def value_changed_event_cb(e,label):
|
|
arc = e.get_target_obj()
|
|
|
|
txt = "{:d}%".format(arc.get_value())
|
|
label.set_text(txt)
|
|
|
|
# Rotate the label to the current position of the arc
|
|
arc.rotate_obj_to_angle(label, 25)
|
|
|
|
label = lv.label(lv.scr_act())
|
|
|
|
# Create an Arc
|
|
arc = lv.arc(lv.scr_act())
|
|
arc.set_size(150, 150)
|
|
arc.set_rotation(135)
|
|
arc.set_bg_angles(0, 270)
|
|
arc.set_value(10)
|
|
arc.center()
|
|
arc.add_event(lambda e: value_changed_event_cb(e,label),lv.EVENT.VALUE_CHANGED, None)
|
|
|
|
# Manually update the label for the first time
|
|
arc.send_event(lv.EVENT.VALUE_CHANGED, None)
|
|
|