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Diffstat (limited to 'Lib/tkinter/simpledialog.py')
| -rw-r--r-- | Lib/tkinter/simpledialog.py | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/Lib/tkinter/simpledialog.py b/Lib/tkinter/simpledialog.py deleted file mode 100644 index 7fa5d69d9c..0000000000 --- a/Lib/tkinter/simpledialog.py +++ /dev/null @@ -1,421 +0,0 @@ -# -# An Introduction to Tkinter -# -# Copyright (c) 1997 by Fredrik Lundh -# -# This copyright applies to Dialog, askinteger, askfloat and asktring -# -# fredrik@pythonware.com -# http://www.pythonware.com -# -"""This modules handles dialog boxes. - -It contains the following public symbols: - -SimpleDialog -- A simple but flexible modal dialog box - -Dialog -- a base class for dialogs - -askinteger -- get an integer from the user - -askfloat -- get a float from the user - -askstring -- get a string from the user -""" - -from tkinter import * -from tkinter import messagebox - -import tkinter # used at _QueryDialog for tkinter._default_root - -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() - - -class Dialog(Toplevel): - - '''Class to open dialogs. - - This class is intended as a base class for custom dialogs - ''' - - def __init__(self, parent, title = None): - - '''Initialize a dialog. - - Arguments: - - parent -- a parent window (the application window) - - title -- the dialog title - ''' - Toplevel.__init__(self, parent) - - # If the master is not viewable, don't - # make the child transient, or else it - # would be opened withdrawn - if parent.winfo_viewable(): - 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.wait_visibility() # window needs to be visible for the grab - self.grab_set() - - if not self.initial_focus: - self.initial_focus = self - - self.protocol("WM_DELETE_WINDOW", self.cancel) - - if self.parent is not None: - self.geometry("+%d+%d" % (parent.winfo_rootx()+50, - parent.winfo_rooty()+50)) - - self.initial_focus.focus_set() - - self.wait_window(self) - - def destroy(self): - '''Destroy the window''' - self.initial_focus = None - Toplevel.destroy(self) - - # - # construction hooks - - def body(self, master): - '''create dialog body. - - return widget that should have initial focus. - This method should be overridden, and is called - by the __init__ method. - ''' - pass - - def buttonbox(self): - '''add standard button box. - - override if you do not want the standard buttons - ''' - - 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() - - # - # standard button semantics - - def ok(self, event=None): - - if not self.validate(): - self.initial_focus.focus_set() # put focus back - return - - self.withdraw() - self.update_idletasks() - - try: - self.apply() - finally: - self.cancel() - - def cancel(self, event=None): - - # put focus back to the parent window - if self.parent is not None: - self.parent.focus_set() - self.destroy() - - # - # command hooks - - def validate(self): - '''validate the data - - This method is called automatically to validate the data before the - dialog is destroyed. By default, it always validates OK. - ''' - - return 1 # override - - def apply(self): - '''process the data - - This method is called automatically to process the data, *after* - the dialog is destroyed. By default, it does nothing. - ''' - - pass # override - - -# -------------------------------------------------------------------- -# convenience dialogues - -class _QueryDialog(Dialog): - - def __init__(self, title, prompt, - initialvalue=None, - minvalue = None, maxvalue = None, - parent = None): - - if not parent: - parent = tkinter._default_root - - self.prompt = prompt - self.minvalue = minvalue - self.maxvalue = maxvalue - - self.initialvalue = initialvalue - - Dialog.__init__(self, parent, title) - - def destroy(self): - self.entry = None - Dialog.destroy(self) - - def body(self, master): - - w = Label(master, text=self.prompt, justify=LEFT) - w.grid(row=0, padx=5, sticky=W) - - self.entry = Entry(master, name="entry") - self.entry.grid(row=1, padx=5, sticky=W+E) - - if self.initialvalue: - self.entry.insert(0, self.initialvalue) - self.entry.select_range(0, END) - - return self.entry - - def validate(self): - try: - result = self.getresult() - except ValueError: - messagebox.showwarning( - "Illegal value", - self.errormessage + "\nPlease try again", - parent = self - ) - return 0 - - if self.minvalue is not None and result < self.minvalue: - messagebox.showwarning( - "Too small", - "The allowed minimum value is %s. " - "Please try again." % self.minvalue, - parent = self - ) - return 0 - - if self.maxvalue is not None and result > self.maxvalue: - messagebox.showwarning( - "Too large", - "The allowed maximum value is %s. " - "Please try again." % self.maxvalue, - parent = self - ) - return 0 - - self.result = result - - return 1 - - -class _QueryInteger(_QueryDialog): - errormessage = "Not an integer." - def getresult(self): - return int(self.entry.get()) - -def askinteger(title, prompt, **kw): - '''get an integer from the user - - Arguments: - - title -- the dialog title - prompt -- the label text - **kw -- see SimpleDialog class - - Return value is an integer - ''' - d = _QueryInteger(title, prompt, **kw) - return d.result - -class _QueryFloat(_QueryDialog): - errormessage = "Not a floating point value." - def getresult(self): - return float(self.entry.get()) - -def askfloat(title, prompt, **kw): - '''get a float from the user - - Arguments: - - title -- the dialog title - prompt -- the label text - **kw -- see SimpleDialog class - - Return value is a float - ''' - d = _QueryFloat(title, prompt, **kw) - return d.result - -class _QueryString(_QueryDialog): - def __init__(self, *args, **kw): - if kw.has_key("show"): - self.__show = kw["show"] - del kw["show"] - else: - self.__show = None - _QueryDialog.__init__(self, *args, **kw) - - def body(self, master): - entry = _QueryDialog.body(self, master) - if self.__show is not None: - entry.configure(show=self.__show) - return entry - - def getresult(self): - return self.entry.get() - -def askstring(title, prompt, **kw): - '''get a string from the user - - Arguments: - - title -- the dialog title - prompt -- the label text - **kw -- see SimpleDialog class - - Return value is a string - ''' - d = _QueryString(title, prompt, **kw) - return d.result - - - -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() - print askinteger("Spam", "Egg count", initialvalue=12*12) - print askfloat("Spam", "Egg weight\n(in tons)", minvalue=1, - maxvalue=100) - print askstring("Spam", "Egg label") - - t = Button(root, text='Test', command=doit) - t.pack() - q = Button(root, text='Quit', command=t.quit) - q.pack() - t.mainloop() - - test() |