"""

Dialog for building Tkinter accelerator key bindings

"""

from tkinter import *

from tkinter.ttk import Scrollbar

from tkinter import Toplevel, Listbox, Text, StringVar, TclError

from tkinter.ttk import Button, Checkbutton, Entry, Frame, Label, Scrollbar

from tkinter import messagebox

import string

import sys

messagebox.showerror(*args, **kwargs)

def create_widgets(self):

self.frame = frame = Frame(self, borderwidth=2, relief=SUNKEN)

frame.pack(side=TOP, expand=True, fill=BOTH)

self.frame = frame = Frame(self, borderwidth=2, relief='sunken')

frame.pack(side='top', expand=True, fill='both')

frame_buttons = Frame(self)

frame_buttons.pack(side=BOTTOM, fill=X)

frame_buttons.pack(side='bottom', fill='x')

self.button_ok = Button(frame_buttons, text='OK',

width=8, command=self.ok)

# Basic entry key sequence.

self.frame_keyseq_basic = Frame(frame, name='keyseq_basic')

self.frame_keyseq_basic.grid(row=0, column=0, sticky=NSEW,

self.frame_keyseq_basic.grid(row=0, column=0, sticky='nsew',

padx=5, pady=5)

basic_title = Label(self.frame_keyseq_basic,

text=f"New keys for '{self.action}' :")

basic_title.pack(anchor=W)

basic_title.pack(anchor='w')

basic_keys = Label(self.frame_keyseq_basic, justify=LEFT,

textvariable=self.key_string, relief=GROOVE,

basic_keys = Label(self.frame_keyseq_basic, justify='left',

textvariable=self.key_string, relief='groove',

borderwidth=2)

basic_keys.pack(ipadx=5, ipady=5, fill=X)

basic_keys.pack(ipadx=5, ipady=5, fill='x')

# Basic entry controls.

self.frame_controls_basic = Frame(frame)

self.frame_controls_basic.grid(row=1, column=0, sticky=NSEW, padx=5)

self.frame_controls_basic.grid(row=1, column=0, sticky='nsew', padx=5)

# Basic entry modifiers.

self.modifier_checkbuttons = {}

check = Checkbutton(self.frame_controls_basic,

command=self.build_key_string, text=label,

variable=variable, onvalue=modifier, offvalue='')

check.grid(row=0, column=column, padx=2, sticky=W)

check.grid(row=0, column=column, padx=2, sticky='w')

self.modifier_checkbuttons[modifier] = check

column += 1

# Basic entry help text.

help_basic = Label(self.frame_controls_basic, justify=LEFT,

help_basic = Label(self.frame_controls_basic, justify='left',

text="Select the desired modifier keys\n"+

"above, and the final key from the\n"+

"list on the right.\n\n" +

"Use upper case Symbols when using\n" +

"the Shift modifier. (Letters will be\n" +

"converted automatically.)")

help_basic.grid(row=1, column=0, columnspan=4, padx=2, sticky=W)

help_basic.grid(row=1, column=0, columnspan=4, padx=2, sticky='w')

# Basic entry key list.

self.list_keys_final = Listbox(self.frame_controls_basic, width=15,

height=10, selectmode=SINGLE)

height=10, selectmode='single')

self.list_keys_final.bind('<ButtonRelease-1>', self.final_key_selected)

self.list_keys_final.grid(row=0, column=4, rowspan=4, sticky=NS)

self.list_keys_final.grid(row=0, column=4, rowspan=4, sticky='ns')

scroll_keys_final = Scrollbar(self.frame_controls_basic,

orient=VERTICAL,

orient='vertical',

command=self.list_keys_final.yview)

self.list_keys_final.config(yscrollcommand=scroll_keys_final.set)

scroll_keys_final.grid(row=0, column=5, rowspan=4, sticky=NS)

scroll_keys_final.grid(row=0, column=5, rowspan=4, sticky='ns')

self.button_clear = Button(self.frame_controls_basic,

text='Clear Keys',

command=self.clear_key_seq)

self.button_clear.grid(row=2, column=0, columnspan=4)

# Advanced entry key sequence.

self.frame_keyseq_advanced = Frame(frame, name='keyseq_advanced')

self.frame_keyseq_advanced.grid(row=0, column=0, sticky=NSEW,

self.frame_keyseq_advanced.grid(row=0, column=0, sticky='nsew',

padx=5, pady=5)

advanced_title = Label(self.frame_keyseq_advanced, justify=LEFT,

advanced_title = Label(self.frame_keyseq_advanced, justify='left',

text=f"Enter new binding(s) for '{self.action}' :\n" +

"(These bindings will not be checked for validity!)")

advanced_title.pack(anchor=W)

advanced_title.pack(anchor='w')

self.advanced_keys = Entry(self.frame_keyseq_advanced,

textvariable=self.key_string)

self.advanced_keys.pack(fill=X)

self.advanced_keys.pack(fill='x')

# Advanced entry help text.

self.frame_help_advanced = Frame(frame)

self.frame_help_advanced.grid(row=1, column=0, sticky=NSEW, padx=5)

help_advanced = Label(self.frame_help_advanced, justify=LEFT,

self.frame_help_advanced.grid(row=1, column=0, sticky='nsew', padx=5)

help_advanced = Label(self.frame_help_advanced, justify='left',

text="Key bindings are specified using Tkinter keysyms as\n"+

"in these samples: <Control-f>, <Shift-F2>, <F12>,\n"

"<Control-space>, <Meta-less>, <Control-Alt-Shift-X>.\n"

"is the 'do-nothing' keybinding.\n\n" +

"Multiple separate bindings for one action should be\n"+

"separated by a space, eg., <Alt-v> <Meta-v>." )

help_advanced.grid(row=0, column=0, sticky=NSEW)

help_advanced.grid(row=0, column=0, sticky='nsew')

# Switch between basic and advanced.

self.button_level = Button(frame, command=self.toggle_level,

text='<< Basic Key Binding Entry')

self.button_level.grid(row=2, column=0, stick=EW, padx=5, pady=5)

self.button_level.grid(row=2, column=0, stick='ew', padx=5, pady=5)

self.toggle_level()

def set_modifiers_for_platform(self):

def build_key_string(self):

"Create formatted string of modifiers plus the key."

keylist = modifiers = self.get_modifiers()

final_key = self.list_keys_final.get(ANCHOR)

final_key = self.list_keys_final.get('anchor')

if final_key:

final_key = self.translate_key(final_key, modifiers)

keylist.append(final_key)

def clear_key_seq(self):

"Clear modifiers and keys selection."

self.list_keys_final.select_clear(0, END)

self.list_keys_final.yview(MOVETO, '0.0')

self.list_keys_final.select_clear(0, 'end')

self.list_keys_final.yview('moveto', '0.0')

for variable in self.modifier_vars:

variable.set('')

self.key_string.set('')

# Make a tuple of most of the useful common 'final' keys.

keys = (self.alphanum_keys + self.punctuation_keys + self.function_keys +

self.whitespace_keys + self.edit_keys + self.move_keys)

self.list_keys_final.insert(END, *keys)

self.list_keys_final.insert('end', *keys)

@staticmethod

def translate_key(key, modifiers):

Doesn't check the string produced by the advanced dialog because

'modifiers' isn't set.

"""

final_key = self.list_keys_final.get(ANCHOR)

final_key = self.list_keys_final.get('anchor')

modifiers = self.get_modifiers()

title = self.keyerror_title

key_sequences = [key for keylist in self.current_key_sequences