acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
test.py (1688B)
      1 #!/opt/bin/lv_micropython -i
      2 import lvgl as lv
      3 import display_driver
      4 def set_value(bar, v):
      5     bar.set_value(v, lv.ANIM.OFF)
      6 
      7 def event_cb(e):
      8     dsc = lv.obj_draw_part_dsc_t.__cast__(e.get_param())
      9     if dsc.part != lv.PART.INDICATOR:
     10         return
     11 
     12     obj= e.get_target()
     13 
     14     label_dsc = lv.draw_label_dsc_t()
     15     label_dsc.init()
     16     # label_dsc.font = LV_FONT_DEFAULT;
     17 
     18     value_txt = str(obj.get_value())
     19     txt_size = lv.point_t()
     20     lv.txt_get_size(txt_size, value_txt, label_dsc.font, label_dsc.letter_space, label_dsc.line_space, lv.COORD.MAX, label_dsc.flag)
     21 
     22     txt_area = lv.area_t()
     23     # If the indicator is long enough put the text inside on the right
     24     if dsc.draw_area.get_width() > txt_size.x + 20:
     25         txt_area.x2 = dsc.draw_area.x2 - 5
     26         txt_area.x1 = txt_area.x2 - txt_size.x + 1
     27         label_dsc.color = lv.color_white()
     28     # If the indicator is still short put the text out of it on the right*/
     29     else:
     30         txt_area.x1 = dsc.draw_area.x2 + 5
     31         txt_area.x2 = txt_area.x1 + txt_size.x - 1
     32         label_dsc.color = lv.color_black()
     33 
     34     txt_area.y1 = dsc.draw_area.y1 + (dsc.draw_area.get_height() - txt_size.y) // 2
     35     txt_area.y2 = txt_area.y1 + txt_size.y - 1
     36 
     37     dsc.draw_ctx.label(label_dsc, txt_area, value_txt, None)
     38 
     39 #
     40 # Custom drawer on the bar to display the current value
     41 #
     42 
     43 bar = lv.bar(lv.scr_act())
     44 bar.add_event_cb(event_cb, lv.EVENT.DRAW_PART_END, None)
     45 bar.set_size(200, 20)
     46 bar.center()
     47 
     48 a = lv.anim_t()
     49 a.init()
     50 a.set_var(bar)
     51 a.set_values(0, 100)
     52 a.set_custom_exec_cb(lambda a,val: set_value(bar,val))
     53 a.set_time(2000)
     54 a.set_playback_time(2000)
     55 a.set_repeat_count(lv.ANIM_REPEAT.INFINITE)
     56 lv.anim_t.start(a)
     57