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"""
dialog for building tkinter accelerator key bindings
"""
from Tkinter import *
import tkMessageBox
import string, os
class GetAccelDialog(Toplevel):
def __init__(self,parent,title,action,keySequenceStr):
Toplevel.__init__(self, parent)
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.keySequenceStr=keySequenceStr
self.keyString=StringVar(self)
self.keyString.set('')
self.keyCtrl=StringVar(self)
self.keyCtrl.set('')
self.keyAlt=StringVar(self)
self.keyAlt.set('')
# self.keyMeta=StringVar(self)
# self.keyMeta.set('')
self.keyShift=StringVar(self)
self.keyShift.set('')
# self.keyFinal1=StringVar(self)
# self.keyFinal1.set('')
# self.keyFinal2=StringVar(self)
# self.keyFinal2.set('')
# self.keyFn1=IntVar(self)
# self.keyFn2=IntVar(self)
self.CreateWidgets()
self.LoadFinalKeyList()
#self.buttonOk.focus_set()
self.withdraw() #hide while setting geometry
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)) )) ) #centre dialog over parent
self.deiconify() #geometry set, unhide
self.wait_window()
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)
checkCtrl=Checkbutton(self.frameControlsBasic,
command=self.BuildKeyString,
text='Ctrl',variable=self.keyCtrl,onvalue='Control',offvalue='')
checkCtrl.grid(row=0,column=0,padx=2,sticky=W)
checkAlt=Checkbutton(self.frameControlsBasic,
command=self.BuildKeyString,
text='Alt',variable=self.keyAlt,onvalue='Alt',offvalue='')
checkAlt.grid(row=0,column=1,padx=2,sticky=W)
# checkMeta=Checkbutton(self.frameControlsBasic,
# command=self.BuildKeyString,
# text='Meta',variable=self.keyMeta,onvalue='Meta',offvalue='')
# checkMeta.grid(row=0,column=2,padx=2,sticky=W)
checkShift=Checkbutton(self.frameControlsBasic,
command=self.BuildKeyString,
text='Shift',variable=self.keyShift,onvalue='Shift',offvalue='')
checkShift.grid(row=0,column=3,padx=2,sticky=W)
labelFnAdvice=Label(self.frameControlsBasic,justify=LEFT,
text="Select the desired modifier\n"+
"keys above, and final key\n"+
# "keys above, and final key(s)\n"+
"from the list on the right.")
labelFnAdvice.grid(row=1,column=0,columnspan=4,padx=2,sticky=W)
self.listKeysFinal=Listbox(self.frameControlsBasic,width=15,height=10,
selectmode=SINGLE)
# selectmode=MULTIPLE)
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.buttonAddNew=Button(self.frameControlsBasic,
text='Accept Key Sequence',width=25,command=None)
self.buttonAddNew.grid(row=2,column=0,columnspan=4)
self.buttonClearLast=Button(self.frameControlsBasic,
text='Clear Last Key Sequence',width=25,
command=self.ClearLastKeySeq)
self.buttonClearLast.grid(row=3,column=0,columnspan=4)
labelTitleAdvanced = Label(self.frameKeySeqAdvanced,justify=LEFT,
text="Enter new binding(s) for '"+self.action+"' :\n"+
"(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 key id's as\n"+
"in these samples: <Control-f>, <Shift-F2>, <F12>,\n"
"<Control-space>, <Meta-less>, <Control-Alt-Shift-x>.\n\n"+
"'Emacs style' multi-keystroke bindings are specified as\n"+
"follows: <Control-x><Control-y> or <Meta-f><Meta-g>.\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 ToggleLevel(self):
if self.buttonLevel.cget('text')[:8]=='Advanced':
self.buttonLevel.config(text='<< Basic Key Binding Entry')
self.frameKeySeqAdvanced.lift()
self.frameHelpAdvanced.lift()
self.entryKeysAdvanced.focus_set()
else:
self.buttonLevel.config(text='Advanced Key Binding Entry >>')
self.frameKeySeqBasic.lift()
self.frameControlsBasic.lift()
def FinalKeySelected(self,event):
self.BuildKeyString()
def BuildKeyString(self):
keyList=[]
modifiers=self.GetModifiers(self.keyCtrl.get(),self.keyAlt.get(),
self.keyShift.get())
finalKey=self.listKeysFinal.get(ANCHOR)
if modifiers: modifiers[0]='<'+modifiers[0]
keyList=keyList+modifiers
if finalKey:
if (not modifiers) and (finalKey in self.functionKeys):
finalKey='<'+finalKey
keyList.append(finalKey+'>')
keyStr=string.join(keyList,'-')
self.keyString.set(keyStr)
# if (finalKey not in self.functionKeys) and (not modifiers):
# tkMessageBox.showerror(title='Key Binding Error',
# message='At least one modifier key should be specified.')
# return
def GetModifiers(self,ctrl,alt,shift):
modList=[]
if ctrl: modList.append(ctrl)
if alt: modList.append(alt)
if shift: modList.append(shift)
return modList
def ClearLastKeySeq(self):
pass
def LoadFinalKeyList(self):
#make a tuple of most of the useful common 'final' keys
self.functionKeys=('F1','F2','F2','F4','F5','F6','F7','F8','F9',
'F10','F11','F12')
keys=(tuple(string.ascii_lowercase+string.digits+
'~!@#%^&*()_-+={}[]|;:,./?')+('tab','space')+self.functionKeys)
apply(self.listKeysFinal.insert,
(END,)+keys)
def Ok(self, event=None):
if self.KeysOk():
self.keySequenceStr=self.keyDisplay.get()
self.destroy()
def Cancel(self, event=None):
self.keySequenceStr=''
self.destroy()
if __name__ == '__main__':
#test the dialog
root=Tk()
def run():
#import aboutDialog
#aboutDialog.AboutDialog(root,'About')
keySeq=''
GetAccelDialog(root,'Get Keys','find-again',keySeq)
print keySeq
Button(root,text='Dialog',command=run).pack()
root.mainloop()
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