acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
lv_example_bar_6.py (1619B)
      1 def set_value(bar, v):
      2     bar.set_value(v, lv.ANIM.OFF)
      3 
      4 def event_cb(e):
      5     dsc = lv.obj_draw_part_dsc_t.__cast__(e.get_param())
      6     if dsc.part != lv.PART.INDICATOR:
      7         return
      8 
      9     obj= e.get_target()
     10 
     11     label_dsc = lv.draw_label_dsc_t()
     12     label_dsc.init()
     13     # label_dsc.font = LV_FONT_DEFAULT;
     14 
     15     value_txt = str(obj.get_value())
     16     txt_size = lv.point_t()
     17     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)
     18 
     19     txt_area = lv.area_t()
     20     # If the indicator is long enough put the text inside on the right
     21     if dsc.draw_area.get_width() > txt_size.x + 20:
     22         txt_area.x2 = dsc.draw_area.x2 - 5
     23         txt_area.x1 = txt_area.x2 - txt_size.x + 1
     24         label_dsc.color = lv.color_white()
     25     # If the indicator is still short put the text out of it on the right*/
     26     else:
     27         txt_area.x1 = dsc.draw_area.x2 + 5
     28         txt_area.x2 = txt_area.x1 + txt_size.x - 1
     29         label_dsc.color = lv.color_black()
     30 
     31     txt_area.y1 = dsc.draw_area.y1 + (dsc.draw_area.get_height() - txt_size.y) // 2
     32     txt_area.y2 = txt_area.y1 + txt_size.y - 1
     33 
     34     dsc.draw_ctx.label(label_dsc, txt_area, value_txt, None)
     35 
     36 #
     37 # Custom drawer on the bar to display the current value
     38 #
     39 
     40 bar = lv.bar(lv.scr_act())
     41 bar.add_event_cb(event_cb, lv.EVENT.DRAW_PART_END, None)
     42 bar.set_size(200, 20)
     43 bar.center()
     44 
     45 a = lv.anim_t()
     46 a.init()
     47 a.set_var(bar)
     48 a.set_values(0, 100)
     49 a.set_custom_exec_cb(lambda a,val: set_value(bar,val))
     50 a.set_time(2000)
     51 a.set_playback_time(2000)
     52 a.set_repeat_count(lv.ANIM_REPEAT.INFINITE)
     53 lv.anim_t.start(a)
     54