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42 lines
981 B
Python
42 lines
981 B
Python
2 years ago
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def anim_x_cb(label, v):
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label.set_x(v)
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def sw_event_cb(e,label):
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sw = e.get_target()
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if sw.has_state(lv.STATE.CHECKED):
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a = lv.anim_t()
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a.init()
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a.set_var(label)
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a.set_values(label.get_x(), 100)
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a.set_time(500)
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a.set_path_cb(lv.anim_t.path_overshoot)
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a.set_custom_exec_cb(lambda a,val: anim_x_cb(label,val))
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lv.anim_t.start(a)
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else:
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a = lv.anim_t()
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a.init()
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a.set_var(label)
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a.set_values(label.get_x(), -label.get_width())
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a.set_time(500)
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a.set_path_cb(lv.anim_t.path_ease_in)
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a.set_custom_exec_cb(lambda a,val: anim_x_cb(label,val))
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lv.anim_t.start(a)
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#
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# Start animation on an event
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#
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label = lv.label(lv.scr_act())
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label.set_text("Hello animations!")
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label.set_pos(100, 10)
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sw = lv.switch(lv.scr_act())
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sw.center()
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sw.add_state(lv.STATE.CHECKED)
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sw.add_event_cb(lambda e: sw_event_cb(e,label), lv.EVENT.VALUE_CHANGED, None)
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