1 """A simple but flexible modal dialog box."""
9 def __init__(self, master,
10 text='', buttons=[], default=None, cancel=None,
11 title=None, class_=None):
13 self.root = Toplevel(master, class_=class_)
15 self.root = Toplevel(master)
17 self.root.title(title)
18 self.root.iconname(title)
19 self.message = Message(self.root, text=text, aspect=400)
20 self.message.pack(expand=1, fill=BOTH)
21 self.frame = Frame(self.root)
25 self.default = default
26 self.root.bind('<Return>', self.return_event)
27 for num in range(len(buttons)):
29 b = Button(self.frame, text=s,
30 command=(lambda self=self, num=num: self.done(num)))
32 b.config(relief=RIDGE, borderwidth=8)
33 b.pack(side=LEFT, fill=BOTH, expand=1)
34 self.root.protocol('WM_DELETE_WINDOW', self.wm_delete_window)
35 self._set_transient(master)
37 def _set_transient(self, master, relx=0.5, rely=0.3):
39 widget.withdraw() # Remain invisible while we figure out the geometry
40 widget.transient(master)
41 widget.update_idletasks() # Actualize geometry information
42 if master.winfo_ismapped():
43 m_width = master.winfo_width()
44 m_height = master.winfo_height()
45 m_x = master.winfo_rootx()
46 m_y = master.winfo_rooty()
48 m_width = master.winfo_screenwidth()
49 m_height = master.winfo_screenheight()
51 w_width = widget.winfo_reqwidth()
52 w_height = widget.winfo_reqheight()
53 x = m_x + (m_width - w_width) * relx
54 y = m_y + (m_height - w_height) * rely
55 if x+w_width > master.winfo_screenwidth():
56 x = master.winfo_screenwidth() - w_width
59 if y+w_height > master.winfo_screenheight():
60 y = master.winfo_screenheight() - w_height
63 widget.geometry("+%d+%d" % (x, y))
64 widget.deiconify() # Become visible at the desired location
67 self.root.wait_visibility()
73 def return_event(self, event):
74 if self.default is None:
77 self.done(self.default)
79 def wm_delete_window(self):
80 if self.cancel is None:
83 self.done(self.cancel)
90 if __name__ == '__main__':
95 d = SimpleDialog(root,
96 text="This is a test dialog. "
97 "Would this have been an actual dialog, "
98 "the buttons below would have been glowing "
99 "in soft pink light.\n"
100 "Do you believe this?",
101 buttons=["Yes", "No", "Cancel"],
106 t = Button(root, text='Test', command=doit)
108 q = Button(root, text='Quit', command=t.quit)