lab8.py 文件源码

def clean_all(win):
    win.scene.clear()
    win.table_rect.clear()
    win.table_bars.clear()
    win.lines = []
    win.edges = []
    win.point_now_rect = None
    win.point_now_bars = None
    win.point_lock = None
    win.image.fill(Qt.white)
    r = win.table_rect.rowCount()
    for i in range(r, -1, -1):
        win.table_rect.removeRow(i)

    r = win.table_bars.rowCount()
    for i in range(r, -1, -1):
        win.table_bars.removeRow(i)