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?? CREDITS.txt(1.82 KB)
?? ChangeLog(55.04 KB)
?? HISTORY.txt(10.07 KB)
?? Icons
?? NEWS.txt(38.91 KB)
?? NEWS2x.txt(26.54 KB)
?? README.txt(9.37 KB)
?? TODO.txt(8.28 KB)
?? __init__.py(396 B)
?? __main__.py(159 B)
?? __pycache__
?? _pyclbr.py(14.84 KB)
?? autocomplete.py(9.11 KB)
?? autocomplete_w.py(19.36 KB)
?? autoexpand.py(3.14 KB)
?? browser.py(8.09 KB)
?? calltip.py(5.92 KB)
?? calltip_w.py(6.94 KB)
?? codecontext.py(10.24 KB)
?? colorizer.py(11.01 KB)
?? config-extensions.def(2.21 KB)
?? config-highlight.def(2.62 KB)
?? config-keys.def(10.52 KB)
?? config-main.def(3.05 KB)
?? config.py(37.97 KB)
?? config_key.py(13.09 KB)
?? configdialog.py(98.69 KB)
?? debugger.py(18.65 KB)
?? debugger_r.py(11.86 KB)
?? debugobj.py(3.96 KB)
?? debugobj_r.py(1.06 KB)
?? delegator.py(1.02 KB)
?? dynoption.py(1.97 KB)
?? editor.py(65.7 KB)
?? extend.txt(3.56 KB)
?? filelist.py(3.8 KB)
?? grep.py(6.58 KB)
?? help.html(53.82 KB)
?? help.py(11.06 KB)
?? help_about.py(8.77 KB)
?? history.py(3.95 KB)
?? hyperparser.py(12.58 KB)
?? idle.py(454 B)
?? idle.pyw(570 B)
?? idle_test
?? iomenu.py(20.25 KB)
?? macosx.py(9.43 KB)
?? mainmenu.py(3.62 KB)
?? multicall.py(18.21 KB)
?? outwin.py(5.67 KB)
?? paragraph.py(7 KB)
?? parenmatch.py(7.04 KB)
?? pathbrowser.py(3.12 KB)
?? percolator.py(3.06 KB)
?? pyparse.py(19.65 KB)
?? pyshell.py(56.38 KB)
?? query.py(12.14 KB)
?? redirector.py(6.71 KB)
?? replace.py(7.33 KB)
?? rpc.py(20.64 KB)
?? rstrip.py(868 B)
?? run.py(16.87 KB)
?? runscript.py(7.66 KB)
?? scrolledlist.py(4.35 KB)
?? search.py(3.09 KB)
?? searchbase.py(7.28 KB)
?? searchengine.py(7.3 KB)
?? squeezer.py(13 KB)
?? stackviewer.py(4.35 KB)
?? statusbar.py(1.41 KB)
?? textview.py(5.98 KB)
?? tooltip.py(6.33 KB)
?? tree.py(14.74 KB)
?? undo.py(10.79 KB)
?? window.py(2.53 KB)
?? zoomheight.py(1.31 KB)
?? zzdummy.py(961 B)

Editing: config_key.py

"""
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.grab_release()
        self.destroy()

def Cancel(self, event=None):
        self.result=''
        self.grab_release()
        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__':
    from unittest import main
    main('idlelib.idle_test.test_config_key', verbosity=2, exit=False)

from idlelib.idle_test.htest import run
    run(GetKeysDialog)

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