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33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
2 years ago
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def textarea_event_handler(e, ta):
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print("Enter was pressed. The current text is: " + ta.get_text())
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def btnm_event_handler(e, ta):
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obj = e.get_target()
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txt = obj.get_btn_text(obj.get_selected_btn())
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if txt == lv.SYMBOL.BACKSPACE:
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ta.del_char()
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elif txt == lv.SYMBOL.NEW_LINE:
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lv.event_send(ta, lv.EVENT.READY, None)
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elif txt:
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ta.add_text(txt)
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ta = lv.textarea(lv.scr_act())
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ta.set_one_line(True)
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ta.align(lv.ALIGN.TOP_MID, 0, 10)
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ta.add_event_cb(lambda e: textarea_event_handler(e, ta), lv.EVENT.READY, None)
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ta.add_state(lv.STATE.FOCUSED) # To be sure the cursor is visible
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btnm_map = ["1", "2", "3", "\n",
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"4", "5", "6", "\n",
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"7", "8", "9", "\n",
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lv.SYMBOL.BACKSPACE, "0", lv.SYMBOL.NEW_LINE, ""]
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btnm = lv.btnmatrix(lv.scr_act())
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btnm.set_size(200, 150)
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btnm.align(lv.ALIGN.BOTTOM_MID, 0, -10)
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btnm.add_event_cb(lambda e: btnm_event_handler(e, ta), lv.EVENT.VALUE_CHANGED, None)
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btnm.clear_flag(lv.obj.FLAG.CLICK_FOCUSABLE) # To keep the text area focused on button clicks
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btnm.set_map(btnm_map)
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