#!/opt/bin/lv_micropython -i
import lvgl as lv
import display_driver
def set_value(bar, v):
	bar.set_value(v, lv.ANIM.OFF)

	def event_cb(e):
	dsc = lv.obj_draw_part_dsc_t.__cast__(e.get_param())
	  if dsc.part != lv.PART.INDICATOR:
		  return

			  obj = e.get_target()

						label_dsc = lv.draw_label_dsc_t()
									label_dsc.init()
# label_dsc.font = LV_FONT_DEFAULT;

									value_txt = str(obj.get_value())
												txt_size = lv.point_t()
														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)

														txt_area = lv.area_t()
# If the indicator is long enough put the text inside on the right
														if dsc.draw_area.get_width() > txt_size.x + 20:
																	txt_area.x2 = dsc.draw_area.x2 - 5
																			txt_area.x1 = txt_area.x2 - txt_size.x + 1
																					label_dsc.color = lv.color_white()
# If the indicator is still short put the text out of it on the right*/
																				else:
																								txt_area.x1 = dsc.draw_area.x2 + 5
																										txt_area.x2 = txt_area.x1 + txt_size.x - 1
																												label_dsc.color = lv.color_black()

																														txt_area.y1 = dsc.draw_area.y1 + (dsc.draw_area.get_height() - txt_size.y) // 2
																																txt_area.y2 = txt_area.y1 + txt_size.y - 1

																																		dsc.draw_ctx.label(label_dsc, txt_area, value_txt, None)

#
# Custom drawer on the bar to display the current value
#

																																		bar = lv.bar(lv.scr_act())
																																				bar.add_event_cb(event_cb, lv.EVENT.DRAW_PART_END, None)
																																				bar.set_size(200, 20)
																																				bar.center()

																																				a = lv.anim_t()
																																						a.init()
																																						a.set_var(bar)
																																						a.set_values(0, 100)
																																						a.set_custom_exec_cb(lambda a, val: set_value(bar, val))
																																						a.set_time(2000)
																																						a.set_playback_time(2000)
																																						a.set_repeat_count(lv.ANIM_REPEAT.INFINITE)
																																						lv.anim_t.start(a)

