Raspbery Pi 4上的两个全屏tkinter窗口位于单独的监视器上

Question

我有一个简单的TK应用程序，可以在一个显示器上运行全屏，但现在我想运行两个全屏窗口，一个在Raspberry Pi 4上的每个显示器上。这两个显示器有不同的分辨率，各自工作正常，但我无法让两个全屏窗口工作，两个窗口都只在第一个显示器上全屏显示

我正试图用tkinter.Tk().geometry()来做这件事，是这样做的还是有更直接的方法

import tkinter

root = tkinter.Tk()

# specify resolutions of both windows
w0, h0 = 3840, 2160
w1, h1 = 1920, 1080

# set up window for display on HDMI 0 
win0 = tkinter.Toplevel()
win0.geometry(f"{w0}x{h0}")
win0.attributes("-fullscreen", True)
win0.config(cursor="none") # remove cursor 
win0.wm_attributes("-topmost", 1) # make sure this window is on top 

# set up window for display on HDMI 1 
win1 = tkinter.Toplevel()
win1.geometry(f"{w1}x{h1}")
win1.attributes("-fullscreen", True)
win1.config(cursor="none")
win1.wm_attributes("-topmost", 1)

Answer 1

您必须将第二个窗口向右偏移第一个显示器的宽度（X系统首先将显示器放置在HDMI0端口上，然后将显示器从HDMI1放置到右侧）。geometry允许您确保它们不重叠，然后fullscreen按预期工作

geometry字符串的格式为：<width>x<height>+xoffset+yoffset

root = tkinter.Tk()

# specify resolutions of both windows
w0, h0 = 3840, 2160
w1, h1 = 1920, 1080

# set up window for display on HDMI 0 
win0 = tkinter.Toplevel()
win0.geometry(f"{w0}x{h0}+0+0")
win0.attributes("-fullscreen", True)

# set up window for display on HDMI 1 
win1 = tkinter.Toplevel()
win1.geometry(f"{w1}x{h1}+{w0}+0") # <- the key is shifting right by w0 here 
win1.attributes("-fullscreen", True)

root.withdraw()  # hide the empty root window