Python 禁用按钮';s功能
我是python的初学者。我的线程问题前天在stackoverflow.com上得到了解决。与该问题的联系如下: 现在我陷入了另一个问题。在下面所附的代码中,我想在我的OnButtonClick1执行某些操作时禁用Button OnButtonClick2的功能Python 禁用按钮';s功能,python,multithreading,user-interface,tkinter,semaphore,Python,Multithreading,User Interface,Tkinter,Semaphore,我是python的初学者。我的线程问题前天在stackoverflow.com上得到了解决。与该问题的联系如下: 现在我陷入了另一个问题。在下面所附的代码中,我想在我的OnButtonClick1执行某些操作时禁用Button OnButtonClick2的功能 import Tkinter import threading import time class simpleapp_tk(Tkinter.Tk): def __init__(self,parent): Tki
import Tkinter
import threading
import time
class simpleapp_tk(Tkinter.Tk):
def __init__(self,parent):
Tkinter.Tk.__init__(self,parent)
self.parent = parent
self.initialize()
def initialize(self):
self.grid()
self.entryVariable = Tkinter.StringVar()
self.entry = Tkinter.Entry(self,textvariable=self.entryVariable)
self.entry.grid(column=0,row=0,sticky='EW')
self.entry.bind("<Return>", self.OnPressEnter)
self.entryVariable.set(u"Enter text here.")
button1 = Tkinter.Button(self,text=u"Exp1 ",
command=self.OnButtonClick1)
button1.grid(column=1,row=0)
button2 = Tkinter.Button(self,text=u"Exp2 ",
command=self.OnButtonClick2)
button2.grid(column=1,row=1)
self.grid_columnconfigure(0,weight=1)
self.resizable(True,False)
self.update()
self.geometry(self.geometry())
self.entry.focus_set()
self.entry.selection_range(0, Tkinter.END)
def OnButtonClick1(self):
thr = threading.Thread(target=self.print_deep1)
thr.start()
def print_deep1(self):
time.sleep(10)
print 'deep'
def OnButtonClick2(self):
thr = threading.Thread(target=self.print_deep2)
thr.start()
def print_deep2(self):
while True:
print 'deepak'
def OnPressEnter(self,event):
self.labelVariable.set( self.entryVariable.get()+" (You pressed ENTER)" )
self.entry.focus_set()
self.entry.selection_range(0, Tkinter.END)
if __name__ == "__main__":
app = simpleapp_tk(None)
app.title('my application')
app.mainloop()
导入Tkinter
导入线程
导入时间
类simpleapp_tk(Tkinter.tk):
定义初始化(自身,父级):
Tkinter.Tk.\uuuuu init\uuuuuu(自,父)
self.parent=parent
self.initialize()
def初始化(自):
self.grid()
self.entryVariable=Tkinter.StringVar()
self.entry=Tkinter.entry(self,textvariable=self.entryVariable)
self.entry.grid(列=0,行=0,sticky='EW')
self.entry.bind(“,self.on按Enter键)
self.entryVariable.set(u“在此处输入文本”)
button1=Tkinter.Button(self,text=u“Exp1”,
command=self.OnButtonClick1)
按钮1.网格(列=1,行=0)
button2=Tkinter.Button(self,text=u“Exp2”,
命令=self.OnButtonClick2)
按钮2.网格(列=1,行=1)
self.grid\u column配置(0,权重=1)
self.reshable(真、假)
self.update()
self.geometry(self.geometry())
self.entry.focus_set()
self.entry.selection_范围(0,Tkinter.END)
def OnButtonClick1(自身):
thr=线程.Thread(目标=self.print\u deep1)
thr.start()
def打印深度1(自):
时间。睡眠(10)
打印“深”
def OnButtonClick2(自身):
thr=线程.Thread(目标=self.print\u deep2)
thr.start()
def打印深度2(自):
尽管如此:
打印“deepak”
def OnPressEnter(自我,事件):
self.labelVariable.set(self.entryVariable.get()+“(按ENTER键)”)
self.entry.focus_set()
self.entry.selection_范围(0,Tkinter.END)
如果名称=“\uuuuu main\uuuuuuuu”:
app=simpleapp_tk(无)
app.title(“我的应用程序”)
app.mainloop()
最简单(不是最好)的方法是将onclick2指向dumb函数;但你们必须知道按钮1上的线程何时完成任务。重命名OnButtonClick2-onBtClick2和self.OnButtonClick2=lambda*arg:None
。当线程完成作业时,self.OnButtonClick2=self.onBtClick2
哦,别把你的方法命名成类了。以小写字母或蛇形开头,更容易阅读。以下代码可能是解决问题的方法之一:
import Tkinter
import threading
import time
class simpleapp_tk(Tkinter.Tk):
global sempahore
def __init__(self,parent):
Tkinter.Tk.__init__(self,parent)
self.parent = parent
self.initialize()
self.kick=True
def initialize(self):
self.grid()
self.entryVariable = Tkinter.StringVar()
self.entry = Tkinter.Entry(self,textvariable=self.entryVariable)
self.entry.grid(column=0,row=0,sticky='EW')
self.entry.bind("<Return>", self.OnPressEnter)
self.entryVariable.set(u"Enter text here.")
button1 = Tkinter.Button(self,text=u"Exp1 ",
command=self.OnButtonClick1)
button1.grid(column=1,row=0)
button2 = Tkinter.Button(self,text=u"Exp2 ",
command=self.OnButtonClick2)
button2.grid(column=1,row=1)
self.grid_columnconfigure(0,weight=1)
self.resizable(True,False)
self.update()
self.geometry(self.geometry())
self.entry.focus_set()
self.entry.selection_range(0, Tkinter.END)
def OnButtonClick1(self):
if (self.kick == True):
print 'before assignment self.kick = %s' %(self.kick,)
self.kick=False
print 'after assignment self.kick = %s' %(self.kick,)
thr = threading.Thread(target=self.print_deep1)
thr.start()
def print_deep1(self):
print 'on entering function self.kick = %s' %(self.kick,)
print (time.strftime("%H:%M:%S"))
time.sleep(10)
print (time.strftime("%H:%M:%S"))
print 'deep'
self.kick= True
print 'at end of function self.kick = %s' %(self.kick,)
def OnButtonClick2(self):
if (self.kick !=False):
thr = threading.Thread(target=self.print_deep2)
thr.start()
def print_deep2(self):
print self.kick
print (time.strftime("%H:%M:%S"))
time.sleep(5)
print (time.strftime("%H:%M:%S"))
print 'deep1'
self.kick= True
def OnPressEnter(self,event):
self.labelVariable.set( self.entryVariable.get()+" (You pressed ENTER)" )
self.entry.focus_set()
self.entry.selection_range(0, Tkinter.END)
if __name__ == "__main__":
app = simpleapp_tk(None)
app.title('my application')
app.mainloop()
导入Tkinter
导入线程
导入时间
类simpleapp_tk(Tkinter.tk):
全球森帕霍尔酒店
定义初始化(自身,父级):
Tkinter.Tk.\uuuuu init\uuuuuu(自,父)
self.parent=parent
self.initialize()
self.kick=True
def初始化(自):
self.grid()
self.entryVariable=Tkinter.StringVar()
self.entry=Tkinter.entry(self,textvariable=self.entryVariable)
self.entry.grid(列=0,行=0,sticky='EW')
self.entry.bind(“,self.on按Enter键)
self.entryVariable.set(u“在此处输入文本”)
button1=Tkinter.Button(self,text=u“Exp1”,
command=self.OnButtonClick1)
按钮1.网格(列=1,行=0)
button2=Tkinter.Button(self,text=u“Exp2”,
命令=self.OnButtonClick2)
按钮2.网格(列=1,行=1)
self.grid\u column配置(0,权重=1)
self.reshable(真、假)
self.update()
self.geometry(self.geometry())
self.entry.focus_set()
self.entry.selection_范围(0,Tkinter.END)
def OnButtonClick1(自身):
如果(self.kick==True):
在分配self.kick=%s%%(self.kick,)之前打印
self.kick=False
在分配self.kick=%s%%(self.kick,)后打印
thr=线程.Thread(目标=self.print\u deep1)
thr.start()
def打印深度1(自):
输入函数self.kick=%s%%(self.kick,)时打印
打印(time.strftime(“%H:%M:%S”))
时间。睡眠(10)
打印(time.strftime(“%H:%M:%S”))
打印“深”
self.kick=True
在函数self.kick=%s%%(self.kick,)的末尾打印
def OnButtonClick2(自身):
如果(self.kick!=False):
thr=线程.Thread(目标=self.print\u deep2)
thr.start()
def打印深度2(自):
打印自踢
打印(time.strftime(“%H:%M:%S”))
时间。睡眠(5)
打印(time.strftime(“%H:%M:%S”))
打印“deep1”
self.kick=True
def OnPressEnter(自我,事件):
self.labelVariable.set(self.entryVariable.get()+“(按ENTER键)”)
self.entry.focus_set()
self.entry.selection_范围(0,Tkinter.END)
如果名称=“\uuuuu main\uuuuuuuu”:
app=simpleapp_tk(无)
app.title(“我的应用程序”)
app.mainloop()
如果我的问题陈述看起来不清楚,请告诉我。我的问题是,当我依次单击Exp1按钮和Exp2时,Exp2不应该执行它的工作(因为Exp1仍在做某事)。如何做到这一点?