/usr/lib/python3.6/idlelib/config_key.py is in idle-python3.6 3.6.5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 | """
Dialog for building Tkinter accelerator key bindings
"""
from tkinter import *
from tkinter.ttk import Scrollbar
from tkinter import messagebox
import string
import sys
class GetKeysDialog(Toplevel):
# Dialog title for invalid key sequence
keyerror_title = 'Key Sequence Error'
def __init__(self, parent, title, action, currentKeySequences,
*, _htest=False, _utest=False):
"""
action - string, the name of the virtual event these keys will be
mapped to
currentKeys - list, a list of all key sequence lists currently mapped
to virtual events, for overlap checking
_utest - bool, do not wait when running unittest
_htest - bool, change box location when running htest
"""
Toplevel.__init__(self, parent)
self.withdraw() #hide while setting geometry
self.configure(borderwidth=5)
self.resizable(height=FALSE, width=FALSE)
self.title(title)
self.transient(parent)
self.grab_set()
self.protocol("WM_DELETE_WINDOW", self.Cancel)
self.parent = parent
self.action=action
self.currentKeySequences = currentKeySequences
self.result = ''
self.keyString = StringVar(self)
self.keyString.set('')
self.SetModifiersForPlatform() # set self.modifiers, self.modifier_label
self.modifier_vars = []
for modifier in self.modifiers:
variable = StringVar(self)
variable.set('')
self.modifier_vars.append(variable)
self.advanced = False
self.CreateWidgets()
self.LoadFinalKeyList()
self.update_idletasks()
self.geometry(
"+%d+%d" % (
parent.winfo_rootx() +
(parent.winfo_width()/2 - self.winfo_reqwidth()/2),
parent.winfo_rooty() +
((parent.winfo_height()/2 - self.winfo_reqheight()/2)
if not _htest else 150)
) ) #centre dialog over parent (or below htest box)
if not _utest:
self.deiconify() #geometry set, unhide
self.wait_window()
def showerror(self, *args, **kwargs):
# Make testing easier. Replace in #30751.
messagebox.showerror(*args, **kwargs)
def CreateWidgets(self):
frameMain = Frame(self,borderwidth=2,relief=SUNKEN)
frameMain.pack(side=TOP,expand=TRUE,fill=BOTH)
frameButtons=Frame(self)
frameButtons.pack(side=BOTTOM,fill=X)
self.buttonOK = Button(frameButtons,text='OK',
width=8,command=self.OK)
self.buttonOK.grid(row=0,column=0,padx=5,pady=5)
self.buttonCancel = Button(frameButtons,text='Cancel',
width=8,command=self.Cancel)
self.buttonCancel.grid(row=0,column=1,padx=5,pady=5)
self.frameKeySeqBasic = Frame(frameMain)
self.frameKeySeqAdvanced = Frame(frameMain)
self.frameControlsBasic = Frame(frameMain)
self.frameHelpAdvanced = Frame(frameMain)
self.frameKeySeqAdvanced.grid(row=0,column=0,sticky=NSEW,padx=5,pady=5)
self.frameKeySeqBasic.grid(row=0,column=0,sticky=NSEW,padx=5,pady=5)
self.frameKeySeqBasic.lift()
self.frameHelpAdvanced.grid(row=1,column=0,sticky=NSEW,padx=5)
self.frameControlsBasic.grid(row=1,column=0,sticky=NSEW,padx=5)
self.frameControlsBasic.lift()
self.buttonLevel = Button(frameMain,command=self.ToggleLevel,
text='Advanced Key Binding Entry >>')
self.buttonLevel.grid(row=2,column=0,stick=EW,padx=5,pady=5)
labelTitleBasic = Label(self.frameKeySeqBasic,
text="New keys for '"+self.action+"' :")
labelTitleBasic.pack(anchor=W)
labelKeysBasic = Label(self.frameKeySeqBasic,justify=LEFT,
textvariable=self.keyString,relief=GROOVE,borderwidth=2)
labelKeysBasic.pack(ipadx=5,ipady=5,fill=X)
self.modifier_checkbuttons = {}
column = 0
for modifier, variable in zip(self.modifiers, self.modifier_vars):
label = self.modifier_label.get(modifier, modifier)
check=Checkbutton(self.frameControlsBasic,
command=self.BuildKeyString,
text=label,variable=variable,onvalue=modifier,offvalue='')
check.grid(row=0,column=column,padx=2,sticky=W)
self.modifier_checkbuttons[modifier] = check
column += 1
labelFnAdvice=Label(self.frameControlsBasic,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.)")
labelFnAdvice.grid(row=1,column=0,columnspan=4,padx=2,sticky=W)
self.listKeysFinal=Listbox(self.frameControlsBasic,width=15,height=10,
selectmode=SINGLE)
self.listKeysFinal.bind('<ButtonRelease-1>',self.FinalKeySelected)
self.listKeysFinal.grid(row=0,column=4,rowspan=4,sticky=NS)
scrollKeysFinal=Scrollbar(self.frameControlsBasic,orient=VERTICAL,
command=self.listKeysFinal.yview)
self.listKeysFinal.config(yscrollcommand=scrollKeysFinal.set)
scrollKeysFinal.grid(row=0,column=5,rowspan=4,sticky=NS)
self.buttonClear=Button(self.frameControlsBasic,
text='Clear Keys',command=self.ClearKeySeq)
self.buttonClear.grid(row=2,column=0,columnspan=4)
labelTitleAdvanced = Label(self.frameKeySeqAdvanced,justify=LEFT,
text="Enter new binding(s) for '"+self.action+"' :\n"+
"(These bindings will not be checked for validity!)")
labelTitleAdvanced.pack(anchor=W)
self.entryKeysAdvanced=Entry(self.frameKeySeqAdvanced,
textvariable=self.keyString)
self.entryKeysAdvanced.pack(fill=X)
labelHelpAdvanced=Label(self.frameHelpAdvanced,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"
"Upper case is used when the Shift modifier is present!\n\n" +
"'Emacs style' multi-keystroke bindings are specified as\n" +
"follows: <Control-x><Control-y>, where the first key\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>." )
labelHelpAdvanced.grid(row=0,column=0,sticky=NSEW)
def SetModifiersForPlatform(self):
"""Determine list of names of key modifiers for this platform.
The names are used to build Tk bindings -- it doesn't matter if the
keyboard has these keys, it matters if Tk understands them. The
order is also important: key binding equality depends on it, so
config-keys.def must use the same ordering.
"""
if sys.platform == "darwin":
self.modifiers = ['Shift', 'Control', 'Option', 'Command']
else:
self.modifiers = ['Control', 'Alt', 'Shift']
self.modifier_label = {'Control': 'Ctrl'} # short name
def ToggleLevel(self):
if self.buttonLevel.cget('text')[:8]=='Advanced':
self.ClearKeySeq()
self.buttonLevel.config(text='<< Basic Key Binding Entry')
self.frameKeySeqAdvanced.lift()
self.frameHelpAdvanced.lift()
self.entryKeysAdvanced.focus_set()
self.advanced = True
else:
self.ClearKeySeq()
self.buttonLevel.config(text='Advanced Key Binding Entry >>')
self.frameKeySeqBasic.lift()
self.frameControlsBasic.lift()
self.advanced = False
def FinalKeySelected(self,event):
self.BuildKeyString()
def BuildKeyString(self):
keyList = modifiers = self.GetModifiers()
finalKey = self.listKeysFinal.get(ANCHOR)
if finalKey:
finalKey = self.TranslateKey(finalKey, modifiers)
keyList.append(finalKey)
self.keyString.set('<' + '-'.join(keyList) + '>')
def GetModifiers(self):
modList = [variable.get() for variable in self.modifier_vars]
return [mod for mod in modList if mod]
def ClearKeySeq(self):
self.listKeysFinal.select_clear(0,END)
self.listKeysFinal.yview(MOVETO, '0.0')
for variable in self.modifier_vars:
variable.set('')
self.keyString.set('')
def LoadFinalKeyList(self):
#these tuples are also available for use in validity checks
self.functionKeys=('F1','F2','F3','F4','F5','F6','F7','F8','F9',
'F10','F11','F12')
self.alphanumKeys=tuple(string.ascii_lowercase+string.digits)
self.punctuationKeys=tuple('~!@#%^&*()_-+={}[]|;:,.<>/?')
self.whitespaceKeys=('Tab','Space','Return')
self.editKeys=('BackSpace','Delete','Insert')
self.moveKeys=('Home','End','Page Up','Page Down','Left Arrow',
'Right Arrow','Up Arrow','Down Arrow')
#make a tuple of most of the useful common 'final' keys
keys=(self.alphanumKeys+self.punctuationKeys+self.functionKeys+
self.whitespaceKeys+self.editKeys+self.moveKeys)
self.listKeysFinal.insert(END, *keys)
def TranslateKey(self, key, modifiers):
"Translate from keycap symbol to the Tkinter keysym"
translateDict = {'Space':'space',
'~':'asciitilde','!':'exclam','@':'at','#':'numbersign',
'%':'percent','^':'asciicircum','&':'ampersand','*':'asterisk',
'(':'parenleft',')':'parenright','_':'underscore','-':'minus',
'+':'plus','=':'equal','{':'braceleft','}':'braceright',
'[':'bracketleft',']':'bracketright','|':'bar',';':'semicolon',
':':'colon',',':'comma','.':'period','<':'less','>':'greater',
'/':'slash','?':'question','Page Up':'Prior','Page Down':'Next',
'Left Arrow':'Left','Right Arrow':'Right','Up Arrow':'Up',
'Down Arrow': 'Down', 'Tab':'Tab'}
if key in translateDict:
key = translateDict[key]
if 'Shift' in modifiers and key in string.ascii_lowercase:
key = key.upper()
key = 'Key-' + key
return key
def OK(self, event=None):
keys = self.keyString.get().strip()
if not keys:
self.showerror(title=self.keyerror_title, parent=self,
message="No key specified.")
return
if (self.advanced or self.KeysOK(keys)) and self.bind_ok(keys):
self.result = keys
self.destroy()
def Cancel(self, event=None):
self.result=''
self.destroy()
def KeysOK(self, keys):
'''Validity check on user's 'basic' keybinding selection.
Doesn't check the string produced by the advanced dialog because
'modifiers' isn't set.
'''
finalKey = self.listKeysFinal.get(ANCHOR)
modifiers = self.GetModifiers()
keysOK = False
title = self.keyerror_title
key_sequences = [key for keylist in self.currentKeySequences
for key in keylist]
if not keys.endswith('>'):
self.showerror(title, parent=self,
message='Missing the final Key')
elif (not modifiers
and finalKey not in self.functionKeys + self.moveKeys):
self.showerror(title=title, parent=self,
message='No modifier key(s) specified.')
elif (modifiers == ['Shift']) \
and (finalKey not in
self.functionKeys + self.moveKeys + ('Tab', 'Space')):
msg = 'The shift modifier by itself may not be used with'\
' this key symbol.'
self.showerror(title=title, parent=self, message=msg)
elif keys in key_sequences:
msg = 'This key combination is already in use.'
self.showerror(title=title, parent=self, message=msg)
else:
keysOK = True
return keysOK
def bind_ok(self, keys):
"Return True if Tcl accepts the new keys else show message."
try:
binding = self.bind(keys, lambda: None)
except TclError as err:
self.showerror(
title=self.keyerror_title, parent=self,
message=(f'The entered key sequence is not accepted.\n\n'
f'Error: {err}'))
return False
else:
self.unbind(keys, binding)
return True
if __name__ == '__main__':
import unittest
unittest.main('idlelib.idle_test.test_config_key', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(GetKeysDialog)
|