如何将Tkinter destroy()绑定到Debian中的一个键? [英] How to bind Tkinter destroy() to a key in Debian?
问题描述
以下代码在MS Windows中正常工作(按 q
时脚本退出):
import Tkinter as tk
,它通过
class App():
def __init __(self):
self.root = tk.Tk()
self.root.geometry({0} x {1} + 0 + 0.format(
self.root.winfo_screenwidth(),self.root.winfo_screenheight())
)
self.root.overrideredirect(True)
tk.Label(text =some text here)。grid()
self.root.bind('q',self.appexit)
self.root.mainloop()
def appexit(self,event):
self.root.destroy()
App()$ b $我试图在一个无窗口管理器的Debian环境中运行它(启动到控制台,运行$ code $ c
$ b $ c> startx.xinitrc
(唯一的命令)启动脚本。
该脚本按预期启动,但按
q
不执行任何操作(我期待X
关闭并返回文本控制台)。后来我试图添加,以防在mainloop()
之前的self.root.focus()
,但它没有帮助。
MS Windows和Debian环境之间的这种不同行为可能是什么原因?
解决方案overrideredirect 程序损失与窗口管理连接,似乎无法获取有关按键的信息,甚至无法关注。
MS Windows是一个大窗口管理器,所以似乎
overrideredirect
在该系统上不起作用。 p>
也许你可以使用
self.root.attributes(' - fullscreen',True)
代替self.root.overrideredirect(True)
BTW:为了测试我使用
self.root.after(5000,self.root.destroy)
- 当我无法控制它5秒后杀死窗口。
编辑:
c>全屏。
在Linux程序中使用
overrideredirect
可以获得键盘事件,因此绑定不起作用,您无法关注Entry()
。但是鼠标和Button()
可以正常工作。overrideredirect
适用于带有或不带按钮的启动屏幕。导入Tkinter作为tk
类App():
def __init __(self):
self.root = tk.Tk()
#this作品
self.root.attributes(' - 全屏',True)
#这不工作
#self.root.overrideredirect (true)
#self.root.geometry(800x600 + 100 + 100)#看到控制台后面的
#self.root.after(5000,self.appexit)#杀死程序后5s
self.root.bind('q',self.q_pressed)
tk.Label(text =some text here)。grid()$ b $ = tk.Entry(self.root)
e.grid()
e.focus()#focus不适用于overrideredirect
tk.Button(self.root ,text ='Quit',command = self.appexit).grid()
self.root.mainloop()
def q_pressed(self,event):
printq_pre ssed
self.root.destroy()
def appexit(self):
printappexit
self.root.destroy()
App()
The following code works correctly in MS Windows (the script exits when pressing
q
):import Tkinter as tk class App(): def __init__(self): self.root = tk.Tk() self.root.geometry("{0}x{1}+0+0".format( self.root.winfo_screenwidth(), self.root.winfo_screenheight()) ) self.root.overrideredirect(True) tk.Label(text="some text here").grid() self.root.bind('q', self.appexit) self.root.mainloop() def appexit(self, event): self.root.destroy() App()
I tried to run it in a "window manager-less" Debian environment (boot to console, run
startx
, which launches the script via.xinitrc
(the only command there)).The script starts as expected but pressing
q
does not do anything (I was expectingX
to close and return to the text console). I later tried to add just in caseself.root.focus()
before themainloop()
but it did not help.What could be the reason of this different behavior between the MS Windows and Debian environment?
解决方案With overrideredirect program loses connection with window manage so it seems that it can't get information about pressed keys and even it can't be focused.
MS Windows is one big window manager so it seems that
overrideredirect
doesn't work on that system.Maybe you could use
self.root.attributes('-fullscreen', True)
in place ofself.root.overrideredirect(True)
BTW: for testing I use
self.root.after(5000, self.root.destroy)
- to kill window after 5s when I can't control it.
EDIT:
Some (working) example with
fullscreen
.With
overrideredirect
on Linux program can get keyboard events so binding doesn't work, and you can't focusEntry()
. But mouse andButton()
works.overrideredirect
is good for "splash screen" with or without buttons.import Tkinter as tk class App(): def __init__(self): self.root = tk.Tk() # this works self.root.attributes('-fullscreen', True) # this doesn't work #self.root.overrideredirect(True) #self.root.geometry("800x600+100+100") # to see console behind #self.root.after(5000, self.appexit) # to kill program after 5s self.root.bind('q', self.q_pressed) tk.Label(text="some text here").grid() e = tk.Entry(self.root) e.grid() e.focus() # focus doesn't work with overrideredirect tk.Button(self.root, text='Quit', command=self.appexit).grid() self.root.mainloop() def q_pressed(self, event): print "q_pressed" self.root.destroy() def appexit(self): print "appexit" self.root.destroy() App()
这篇关于如何将Tkinter destroy()绑定到Debian中的一个键?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!