initial commit

libraries/lvgl/examples/event/lv_example_event_3.py

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