pikapython/examples/lvgl/lv_drag.py
2022-08-07 13:09:27 +08:00

31 lines
517 B
Python

import pika_lvgl as lv
from PikaStdLib import MemChecker
mem = MemChecker()
def drag_event_handler(e):
obj = e.get_target()
indev = lv.indev_get_act()
vect = lv.point_t()
indev.get_vect(vect)
x = obj.get_x() + vect.x
y = obj.get_y() + vect.y
obj.set_pos(x, y)
mem.now()
#
# Make an object dragable.
#
obj = lv.obj(lv.scr_act())
obj.set_size(150, 100)
obj.add_event_cb(drag_event_handler, lv.EVENT.PRESSING, None)
label = lv.label(obj)
label.set_text("Drag me")
label.center()