',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: , , ,\n"
", , .\n"
"Upper case is used when the Shift modifier is present!\n\n" +
"'Emacs style' multi-keystroke bindings are specified as\n" +
"follows: , 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., ." )
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.
"""
from idlelib import macosxSupport
if macosxSupport.runningAsOSXApp():
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('<' + string.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','F2','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.keys():
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):
if self.advanced or self.KeysOK(): # doesn't check advanced string yet
self.result=self.keyString.get()
self.destroy()
def Cancel(self, event=None):
self.result=''
self.destroy()
def KeysOK(self):
'''Validity check on user's 'basic' keybinding selection.
Doesn't check the string produced by the advanced dialog because
'modifiers' isn't set.
'''
keys = self.keyString.get()
keys.strip()
finalKey = self.listKeysFinal.get(ANCHOR)
modifiers = self.GetModifiers()
# create a key sequence list for overlap check:
keySequence = keys.split()
keysOK = False
title = 'Key Sequence Error'
if not keys:
tkMessageBox.showerror(title=title, parent=self,
message='No keys specified.')
elif not keys.endswith('>'):
tkMessageBox.showerror(title=title, parent=self,
message='Missing the final Key')
elif (not modifiers
and finalKey not in self.functionKeys + self.moveKeys):
tkMessageBox.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.'
tkMessageBox.showerror(title=title, parent=self, message=msg)
elif keySequence in self.currentKeySequences:
msg = 'This key combination is already in use.'
tkMessageBox.showerror(title=title, parent=self, message=msg)
else:
keysOK = True
return keysOK
if __name__ == '__main__':
#test the dialog
root=Tk()
def run():
keySeq=''
dlg=GetKeysDialog(root,'Get Keys','find-again',[])
print dlg.result
Button(root,text='Dialog',command=run).pack()
root.mainloop()