acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_textarea_3.py (1385B)
      1 def ta_event_cb(e):
      2     ta = e.get_target()
      3     txt = ta.get_text()
      4     # print(txt)
      5     pos = ta.get_cursor_pos()
      6     # print("cursor pos: ",pos)
      7     # find position of ":" in text
      8     colon_pos= txt.find(":")
      9     # if there are more than 2 digits before the colon, remove the last one entered
     10     if colon_pos == 3:
     11         ta.del_char()
     12     if colon_pos != -1:
     13         # if there are more than 3 digits after the ":" remove the last one entered
     14         rest = txt[colon_pos:]
     15         if len(rest) > 3:
     16             ta.del_char()
     17 
     18     if len(txt) < 2:
     19         return
     20     if ":" in txt:
     21         return
     22     if  txt[0] >= '0' and txt[0] <= '9' and \
     23         txt[1] >= '0' and txt[1] <= '9':
     24         if len(txt) == 2 or txt[2] != ':' :
     25             ta.set_cursor_pos(2)
     26             ta.add_char(ord(':'))
     27 #
     28 # Automatically format text like a clock. E.g. "12:34"
     29 # Add the ':' automatically
     30 #
     31 # Create the text area
     32 
     33 LV_HOR_RES = lv.scr_act().get_disp().driver.hor_res
     34 LV_VER_RES = lv.scr_act().get_disp().driver.ver_res
     35 
     36 ta = lv.textarea(lv.scr_act())
     37 ta.add_event_cb(ta_event_cb, lv.EVENT.VALUE_CHANGED, None)
     38 ta.set_accepted_chars("0123456789:")
     39 ta.set_max_length(5)
     40 ta.set_one_line(True)
     41 ta.set_text("")
     42 ta.add_state(lv.STATE.FOCUSED)
     43 
     44 # Create a keyboard
     45 kb = lv.keyboard(lv.scr_act())
     46 kb.set_size(LV_HOR_RES, LV_VER_RES // 2)
     47 kb.set_mode(lv.keyboard.MODE.NUMBER)
     48 kb.set_textarea(ta)
     49 
     50