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33 lines
728 B
Python
33 lines
728 B
Python
2 years ago
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def event_cb(e):
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# The original target of the event. Can be the buttons or the container
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target = e.get_target()
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# print(type(target))
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# If container was clicked do nothing
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if type(target) != type(lv.btn()):
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return
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# Make the clicked buttons red
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target.set_style_bg_color(lv.palette_main(lv.PALETTE.RED), 0)
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#
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# Demonstrate event bubbling
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#
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cont = lv.obj(lv.scr_act())
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cont.set_size(320, 200)
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cont.center()
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cont.set_flex_flow(lv.FLEX_FLOW.ROW_WRAP)
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for i in range(30):
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btn = lv.btn(cont)
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btn.set_size(80, 50)
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btn.add_flag(lv.obj.FLAG.EVENT_BUBBLE)
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label = lv.label(btn)
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label.set_text(str(i))
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label.center()
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cont.add_event_cb(event_cb, lv.EVENT.CLICKED, None)
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