113 lines
3.6 KiB
Python
113 lines
3.6 KiB
Python
|
"""A simple but flexible modal dialog box."""
|
||
|
|
|
||
|
|
|
||
|
|
from Tkinter import *
|
||
|
|
|
||
|
|
|
||
|
|
class SimpleDialog:
|
||
|
|
|
||
|
|
def __init__(self, master,
|
||
|
|
text='', buttons=[], default=None, cancel=None,
|
||
|
|
title=None, class_=None):
|
||
|
|
if class_:
|
||
|
|
self.root = Toplevel(master, class_=class_)
|
||
|
|
else:
|
||
|
|
self.root = Toplevel(master)
|
||
|
|
if title:
|
||
|
|
self.root.title(title)
|
||
|
|
self.root.iconname(title)
|
||
|
|
self.message = Message(self.root, text=text, aspect=400)
|
||
|
|
self.message.pack(expand=1, fill=BOTH)
|
||
|
|
self.frame = Frame(self.root)
|
||
|
|
self.frame.pack()
|
||
|
|
self.num = default
|
||
|
|
self.cancel = cancel
|
||
|
|
self.default = default
|
||
|
|
self.root.bind('<Return>', self.return_event)
|
||
|
|
for num in range(len(buttons)):
|
||
|
|
s = buttons[num]
|
||
|
|
b = Button(self.frame, text=s,
|
||
|
|
command=(lambda self=self, num=num: self.done(num)))
|
||
|
|
if num == default:
|
||
|
|
b.config(relief=RIDGE, borderwidth=8)
|
||
|
|
b.pack(side=LEFT, fill=BOTH, expand=1)
|
||
|
|
self.root.protocol('WM_DELETE_WINDOW', self.wm_delete_window)
|
||
|
|
self._set_transient(master)
|
||
|
|
|
||
|
|
def _set_transient(self, master, relx=0.5, rely=0.3):
|
||
|
|
widget = self.root
|
||
|
|
widget.withdraw() # Remain invisible while we figure out the geometry
|
||
|
|
widget.transient(master)
|
||
|
|
widget.update_idletasks() # Actualize geometry information
|
||
|
|
if master.winfo_ismapped():
|
||
|
|
m_width = master.winfo_width()
|
||
|
|
m_height = master.winfo_height()
|
||
|
|
m_x = master.winfo_rootx()
|
||
|
|
m_y = master.winfo_rooty()
|
||
|
|
else:
|
||
|
|
m_width = master.winfo_screenwidth()
|
||
|
|
m_height = master.winfo_screenheight()
|
||
|
|
m_x = m_y = 0
|
||
|
|
w_width = widget.winfo_reqwidth()
|
||
|
|
w_height = widget.winfo_reqheight()
|
||
|
|
x = m_x + (m_width - w_width) * relx
|
||
|
|
y = m_y + (m_height - w_height) * rely
|
||
|
|
if x+w_width > master.winfo_screenwidth():
|
||
|
|
x = master.winfo_screenwidth() - w_width
|
||
|
|
elif x < 0:
|
||
|
|
x = 0
|
||
|
|
if y+w_height > master.winfo_screenheight():
|
||
|
|
y = master.winfo_screenheight() - w_height
|
||
|
|
elif y < 0:
|
||
|
|
y = 0
|
||
|
|
widget.geometry("+%d+%d" % (x, y))
|
||
|
|
widget.deiconify() # Become visible at the desired location
|
||
|
|
|
||
|
|
def go(self):
|
||
|
|
self.root.wait_visibility()
|
||
|
|
self.root.grab_set()
|
||
|
|
self.root.mainloop()
|
||
|
|
self.root.destroy()
|
||
|
|
return self.num
|
||
|
|
|
||
|
|
def return_event(self, event):
|
||
|
|
if self.default is None:
|
||
|
|
self.root.bell()
|
||
|
|
else:
|
||
|
|
self.done(self.default)
|
||
|
|
|
||
|
|
def wm_delete_window(self):
|
||
|
|
if self.cancel is None:
|
||
|
|
self.root.bell()
|
||
|
|
else:
|
||
|
|
self.done(self.cancel)
|
||
|
|
|
||
|
|
def done(self, num):
|
||
|
|
self.num = num
|
||
|
|
self.root.quit()
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
|
||
|
|
def test():
|
||
|
|
root = Tk()
|
||
|
|
def doit(root=root):
|
||
|
|
d = SimpleDialog(root,
|
||
|
|
text="This is a test dialog. "
|
||
|
|
"Would this have been an actual dialog, "
|
||
|
|
"the buttons below would have been glowing "
|
||
|
|
"in soft pink light.\n"
|
||
|
|
"Do you believe this?",
|
||
|
|
buttons=["Yes", "No", "Cancel"],
|
||
|
|
default=0,
|
||
|
|
cancel=2,
|
||
|
|
title="Test Dialog")
|
||
|
|
print d.go()
|
||
|
|
t = Button(root, text='Test', command=doit)
|
||
|
|
t.pack()
|
||
|
|
q = Button(root, text='Quit', command=t.quit)
|
||
|
|
q.pack()
|
||
|
|
t.mainloop()
|
||
|
|
|
||
|
|
test()
|