Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Commit edb60a7

Browse files
author
Steven M. Gava
committed
key binding handling dialog
1 parent 8aa4987 commit edb60a7

1 file changed

Lines changed: 208 additions & 0 deletions

File tree

‎Lib/idlelib/keybindingDialog.py‎

Lines changed: 208 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,208 @@
1+
"""
2+
dialog for building tkinter accelerator key bindings
3+
"""
4+
from Tkinter import *
5+
import tkMessageBox
6+
import string, os
7+
8+
class GetAccelDialog(Toplevel):
9+
def __init__(self,parent,title,action,keySequenceStr):
10+
Toplevel.__init__(self, parent)
11+
self.configure(borderwidth=5)
12+
self.resizable(height=FALSE,width=FALSE)
13+
self.title(title)
14+
self.transient(parent)
15+
self.grab_set()
16+
self.protocol("WM_DELETE_WINDOW", self.Cancel)
17+
self.parent = parent
18+
self.action=action
19+
self.keySequenceStr=keySequenceStr
20+
self.keyString=StringVar(self)
21+
self.keyString.set('')
22+
self.keyCtrl=StringVar(self)
23+
self.keyCtrl.set('')
24+
self.keyAlt=StringVar(self)
25+
self.keyAlt.set('')
26+
# self.keyMeta=StringVar(self)
27+
# self.keyMeta.set('')
28+
self.keyShift=StringVar(self)
29+
self.keyShift.set('')
30+
# self.keyFinal1=StringVar(self)
31+
# self.keyFinal1.set('')
32+
# self.keyFinal2=StringVar(self)
33+
# self.keyFinal2.set('')
34+
# self.keyFn1=IntVar(self)
35+
# self.keyFn2=IntVar(self)
36+
self.CreateWidgets()
37+
self.LoadFinalKeyList()
38+
#self.buttonOk.focus_set()
39+
self.withdraw() #hide while setting geometry
40+
self.update_idletasks()
41+
self.geometry("+%d+%d" %
42+
((parent.winfo_rootx()+((parent.winfo_width()/2)
43+
-(self.winfo_reqwidth()/2)),
44+
parent.winfo_rooty()+((parent.winfo_height()/2)
45+
-(self.winfo_reqheight()/2)) )) ) #centre dialog over parent
46+
self.deiconify() #geometry set, unhide
47+
self.wait_window()
48+
49+
def CreateWidgets(self):
50+
frameMain = Frame(self,borderwidth=2,relief=SUNKEN)
51+
frameMain.pack(side=TOP,expand=TRUE,fill=BOTH)
52+
frameButtons=Frame(self)
53+
frameButtons.pack(side=BOTTOM,fill=X)
54+
self.buttonOk = Button(frameButtons,text='Ok',
55+
width=8,command=self.Ok)
56+
self.buttonOk.grid(row=0,column=0,padx=5,pady=5)
57+
self.buttonCancel = Button(frameButtons,text='Cancel',
58+
width=8,command=self.Cancel)
59+
self.buttonCancel.grid(row=0,column=1,padx=5,pady=5)
60+
self.frameKeySeqBasic = Frame(frameMain)
61+
self.frameKeySeqAdvanced = Frame(frameMain)
62+
self.frameControlsBasic = Frame(frameMain)
63+
self.frameHelpAdvanced = Frame(frameMain)
64+
self.frameKeySeqAdvanced.grid(row=0,column=0,sticky=NSEW,padx=5,pady=5)
65+
self.frameKeySeqBasic.grid(row=0,column=0,sticky=NSEW,padx=5,pady=5)
66+
self.frameKeySeqBasic.lift()
67+
self.frameHelpAdvanced.grid(row=1,column=0,sticky=NSEW,padx=5)
68+
self.frameControlsBasic.grid(row=1,column=0,sticky=NSEW,padx=5)
69+
self.frameControlsBasic.lift()
70+
self.buttonLevel = Button(frameMain,command=self.ToggleLevel,
71+
text='Advanced Key Binding Entry >>')
72+
self.buttonLevel.grid(row=2,column=0,stick=EW,padx=5,pady=5)
73+
labelTitleBasic = Label(self.frameKeySeqBasic,
74+
text="New keys for '"+self.action+"' :")
75+
labelTitleBasic.pack(anchor=W)
76+
labelKeysBasic = Label(self.frameKeySeqBasic,justify=LEFT,
77+
textvariable=self.keyString,relief=GROOVE,borderwidth=2)
78+
labelKeysBasic.pack(ipadx=5,ipady=5,fill=X)
79+
checkCtrl=Checkbutton(self.frameControlsBasic,
80+
command=self.BuildKeyString,
81+
text='Ctrl',variable=self.keyCtrl,onvalue='Control',offvalue='')
82+
checkCtrl.grid(row=0,column=0,padx=2,sticky=W)
83+
checkAlt=Checkbutton(self.frameControlsBasic,
84+
command=self.BuildKeyString,
85+
text='Alt',variable=self.keyAlt,onvalue='Alt',offvalue='')
86+
checkAlt.grid(row=0,column=1,padx=2,sticky=W)
87+
# checkMeta=Checkbutton(self.frameControlsBasic,
88+
# command=self.BuildKeyString,
89+
# text='Meta',variable=self.keyMeta,onvalue='Meta',offvalue='')
90+
# checkMeta.grid(row=0,column=2,padx=2,sticky=W)
91+
checkShift=Checkbutton(self.frameControlsBasic,
92+
command=self.BuildKeyString,
93+
text='Shift',variable=self.keyShift,onvalue='Shift',offvalue='')
94+
checkShift.grid(row=0,column=3,padx=2,sticky=W)
95+
labelFnAdvice=Label(self.frameControlsBasic,justify=LEFT,
96+
text="Select the desired modifier\n"+
97+
"keys above, and final key\n"+
98+
# "keys above, and final key(s)\n"+
99+
"from the list on the right.")
100+
labelFnAdvice.grid(row=1,column=0,columnspan=4,padx=2,sticky=W)
101+
self.listKeysFinal=Listbox(self.frameControlsBasic,width=15,height=10,
102+
selectmode=SINGLE)
103+
# selectmode=MULTIPLE)
104+
self.listKeysFinal.bind('<ButtonRelease-1>',self.FinalKeySelected)
105+
self.listKeysFinal.grid(row=0,column=4,rowspan=4,sticky=NS)
106+
scrollKeysFinal=Scrollbar(self.frameControlsBasic,orient=VERTICAL,
107+
command=self.listKeysFinal.yview)
108+
self.listKeysFinal.config(yscrollcommand=scrollKeysFinal.set)
109+
scrollKeysFinal.grid(row=0,column=5,rowspan=4,sticky=NS)
110+
self.buttonAddNew=Button(self.frameControlsBasic,
111+
text='Accept Key Sequence',width=25,command=None)
112+
self.buttonAddNew.grid(row=2,column=0,columnspan=4)
113+
self.buttonClearLast=Button(self.frameControlsBasic,
114+
text='Clear Last Key Sequence',width=25,
115+
command=self.ClearLastKeySeq)
116+
self.buttonClearLast.grid(row=3,column=0,columnspan=4)
117+
labelTitleAdvanced = Label(self.frameKeySeqAdvanced,justify=LEFT,
118+
text="Enter new binding(s) for '"+self.action+"' :\n"+
119+
"(will not be checked for validity)")
120+
labelTitleAdvanced.pack(anchor=W)
121+
self.entryKeysAdvanced=Entry(self.frameKeySeqAdvanced,
122+
textvariable=self.keyString)
123+
self.entryKeysAdvanced.pack(fill=X)
124+
labelHelpAdvanced=Label(self.frameHelpAdvanced,justify=LEFT,
125+
text="Key bindings are specified using tkinter key id's as\n"+
126+
"in these samples: <Control-f>, <Shift-F2>, <F12>,\n"
127+
"<Control-space>, <Meta-less>, <Control-Alt-Shift-x>.\n\n"+
128+
"'Emacs style' multi-keystroke bindings are specified as\n"+
129+
"follows: <Control-x><Control-y> or <Meta-f><Meta-g>.\n\n"+
130+
"Multiple separate bindings for one action should be\n"+
131+
"separated by a space, eg., <Alt-v> <Meta-v>." )
132+
labelHelpAdvanced.grid(row=0,column=0,sticky=NSEW)
133+
134+
def ToggleLevel(self):
135+
if self.buttonLevel.cget('text')[:8]=='Advanced':
136+
self.buttonLevel.config(text='<< Basic Key Binding Entry')
137+
self.frameKeySeqAdvanced.lift()
138+
self.frameHelpAdvanced.lift()
139+
self.entryKeysAdvanced.focus_set()
140+
else:
141+
self.buttonLevel.config(text='Advanced Key Binding Entry >>')
142+
self.frameKeySeqBasic.lift()
143+
self.frameControlsBasic.lift()
144+
145+
def FinalKeySelected(self,event):
146+
self.BuildKeyString()
147+
148+
def BuildKeyString(self):
149+
keyList=[]
150+
modifiers=self.GetModifiers(self.keyCtrl.get(),self.keyAlt.get(),
151+
self.keyShift.get())
152+
finalKey=self.listKeysFinal.get(ANCHOR)
153+
if modifiers: modifiers[0]='<'+modifiers[0]
154+
keyList=keyList+modifiers
155+
if finalKey:
156+
if (not modifiers) and (finalKey in self.functionKeys):
157+
finalKey='<'+finalKey
158+
keyList.append(finalKey+'>')
159+
160+
keyStr=string.join(keyList,'-')
161+
self.keyString.set(keyStr)
162+
163+
164+
165+
# if (finalKey not in self.functionKeys) and (not modifiers):
166+
# tkMessageBox.showerror(title='Key Binding Error',
167+
# message='At least one modifier key should be specified.')
168+
# return
169+
170+
def GetModifiers(self,ctrl,alt,shift):
171+
modList=[]
172+
if ctrl: modList.append(ctrl)
173+
if alt: modList.append(alt)
174+
if shift: modList.append(shift)
175+
return modList
176+
177+
def ClearLastKeySeq(self):
178+
pass
179+
180+
def LoadFinalKeyList(self):
181+
#make a tuple of most of the useful common 'final' keys
182+
self.functionKeys=('F1','F2','F2','F4','F5','F6','F7','F8','F9',
183+
'F10','F11','F12')
184+
keys=(tuple(string.ascii_lowercase+string.digits+
185+
'~!@#%^&*()_-+={}[]|;:,./?')+('tab','space')+self.functionKeys)
186+
apply(self.listKeysFinal.insert,
187+
(END,)+keys)
188+
189+
def Ok(self, event=None):
190+
if self.KeysOk():
191+
self.keySequenceStr=self.keyDisplay.get()
192+
self.destroy()
193+
194+
def Cancel(self, event=None):
195+
self.keySequenceStr=''
196+
self.destroy()
197+
198+
if __name__ == '__main__':
199+
#test the dialog
200+
root=Tk()
201+
def run():
202+
#import aboutDialog
203+
#aboutDialog.AboutDialog(root,'About')
204+
keySeq=''
205+
GetAccelDialog(root,'Get Keys','find-again',keySeq)
206+
print keySeq
207+
Button(root,text='Dialog',command=run).pack()
208+
root.mainloop()

0 commit comments

Comments
 (0)