Mega Code Archive

 

Categories / Python / GUI Tk

 

A dialog support class

from Tkinter import * import os class Dialog(Toplevel):     def __init__(self, parent, title = None):         Toplevel.__init__(self, parent)         self.transient(parent)         if title:             self.title(title)         self.parent = parent         self.result = None         body = Frame(self)         self.initial_focus = self.body(body)         body.pack(padx=5, pady=5)         self.buttonbox()         self.grab_set()         if not self.initial_focus:             self.initial_focus = self         self.protocol("WM_DELETE_WINDOW", self.cancel)         self.geometry("+%d+%d" % (parent.winfo_rootx()+50,                                   parent.winfo_rooty()+50))         self.initial_focus.focus_set()         self.wait_window(self)     def body(self, master):         pass     def buttonbox(self):         box = Frame(self)         w = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE)         w.pack(side=LEFT, padx=5, pady=5)         w = Button(box, text="Cancel", width=10, command=self.cancel)         w.pack(side=LEFT, padx=5, pady=5)         self.bind("<Return>", self.ok)         self.bind("<Escape>", self.cancel)         box.pack()     def ok(self, event=None):         if not self.validate():             self.initial_focus.focus_set() # put focus back             return         self.withdraw()         self.update_idletasks()         self.apply()         self.cancel()     def cancel(self, event=None):         self.parent.focus_set()         self.destroy()     def validate(self):         return 1      def apply(self):         pass  root = Tk() d = Dialog(root)