| """ |
| 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() |