tkinter 让控件在屏幕居中、在父窗口居中_tkinter 控件相对于屏幕的位置

在屏幕居中

# 窗体显示在屏幕中央
def set_in_screen_center(tk_widget,winWidth=None,winHeight=None):
    """
    :param tk_widget: 部件，如果传入的是根窗口，必须指定长宽，要不只显示标题栏
    :param winWidth: 指定显示宽度
    :param winHeight: 指定显示长度
    :return:
    """
    # 获取根窗口
    root = tk_widget
    temp_root = None
    while 1:
        temp_root = root.master
        if temp_root is None:
            break
        root = temp_root
    # 获取屏幕分辨率
    screenWidth = root.winfo_screenwidth()
    screenHeight = root.winfo_screenheight()
 
    root.update()
    if winWidth is None:winWidth=tk_widget.winfo_width()
    if winHeight is None:winHeight=tk_widget.winfo_height()
 
    x = int((screenWidth - winWidth) / 2)
    y = int((screenHeight - winHeight) / 2)
 
    # 设置窗口初始位置在屏幕居中
    tk_widget.geometry("%sx%s+%s+%s" % (winWidth, winHeight, x, y))
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在父窗口居中

# 显示在窗口中间
def set_in_windows_center(tk_widget,winWidth=None,winHeight=None):
    """
        :param tk_widget: 部件，不能传入根窗口
        :param winWidth: 指定显示宽度
        :param winHeight: 指定显示长度
        :return:
        """
    # 获取根窗口
    root = tk_widget
    temp_root = None
    while 1:
        temp_root = root.master
        if temp_root is None:
            break
        root = temp_root
 
    root.update()
 
    # 获取根窗口大小
    r_width = root.winfo_width()
    r_height = root.winfo_height()
 
 
    # 获取根窗口x,y
    r_x = root.winfo_rootx()
    r_y = root.winfo_rooty()
 
    if winWidth is None: winWidth = tk_widget.winfo_width()
    if winHeight is None: winHeight = tk_widget.winfo_height()
 
    print(f"根x：{r_x},根y：{r_y},根宽：{r_width},根长；{r_height}")
 
    if r_width > winWidth:
        x = int((r_x + (r_width - winWidth) / 2))
    else:
        x = r_x
 
    if r_height > winHeight:
        y = int((r_y + (r_height - winHeight) / 2))
    else:
        y = r_y
    # 设置窗口初始位置在指定窗口中间
    tk_widget.geometry("%sx%s+%s+%s" % (winWidth, winHeight, x, y))
    # tk_widget.geometry("%sx%s+%s+%s" % (winWidth, winHeight, 400, 400))
    print(f"窗x：{x},窗y：{y}，窗宽：{winWidth},窗长：{winHeight}")
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