You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
2 years ago
|
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)
|
||
|
|
|