jedipi
Mar 28 2005, 01:29 AM
I am a newbie in Python. After read some parts of 《OReilly - ProgrammingPython2ndEd.chm》, I try to write a small problem as following. But it is no reaction when I press the button. Does anyone can tell me why? CODE
from Tkinter import * # get widget classes
class Inputer(Frame): # subclass our GUI
def __init__(self, parent=None): # constructor method
Frame.__init__(self, parent)
self.pack()
ent = Entry(self)
ent.insert(0, 'Type words here') # set text
ent.pack(side=LEFT) # grow horiz
ent.focus() # save a click
ent.bind('<Return>', (lambda event: self.input(ent.get()))) # on enter key
widget = Button(self, text='Query', command=self.input(ent.get()))
widget.pack(side=RIGHT)
def input(self,text):
print text
if __name__ == '__main__': Inputer().mainloop()
Reply
gentoo
May 16 2005, 08:06 AM
QUOTE(jedipi @ Mar 28 2005, 09:29 AM) I am a newbie in Python. After read some parts of 《OReilly - ProgrammingPython2ndEd.chm》, I try to write a small problem as following. But it is no reaction when I press the button. Does anyone can tell me why? CODE
from Tkinter import * # get widget classes
class Inputer(Frame): # subclass our GUI
def __init__(self, parent=None): # constructor method
Frame.__init__(self, parent)
self.pack()
ent = Entry(self)
ent.insert(0, 'Type words here') # set text
ent.pack(side=LEFT) # grow horiz
ent.focus() # save a click
ent.bind('<Return>', (lambda event: self.input(ent.get()))) # on enter key
widget = Button(self, text='Query', command=self.input(ent.get()))
widget.pack(side=RIGHT)
def input(self,text):
print text
if __name__ == '__main__': Inputer().mainloop()
Python is sensitive to indent. I am not sure whether it is the reason. But , at least , these run well on my gentoo box: CODE
#!/usr/bin/env python
from Tkinter import * # get widget classes
class Inputer(Frame): # subclass our GUI
def __init__(self, parent=None): # constructor method
Frame.__init__(self, parent)
self.pack()
ent = Entry(self)
ent.insert(0, 'Type words here') # set text
ent.pack(side=LEFT) # grow horiz
ent.focus() # save a click
ent.bind('<Return>', (lambda event: self.input(ent.get()))) # on enter key
widget = Button(self, text='Query', command=self.input(ent.get()))
widget.pack(side=RIGHT)
def input(self,text):
print text
if __name__ == '__main__': Inputer().mainloop()
QUOTE chmod u+x test.py
./test.py
Reply
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