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