Gecko [ corporacionhdm.com.pe ]

Name	Size	Permission	Date
Icons	[ DIR ]	drwxr-xr-x	2025-01-22 11:40
idle_test	[ DIR ]	drwxr-xr-x	2025-01-22 11:40
AutoComplete.py	8.75 KB	-rw-r--r--	2025-01-08 10:43
AutoComplete.pyc	7.99 KB	-rw-r--r--	2025-01-08 10:43
AutoComplete.pyo	7.99 KB	-rw-r--r--	2025-01-08 10:43
AutoCompleteWindow.py	16.91 KB	-rw-r--r--	2025-01-08 10:43
AutoCompleteWindow.pyc	12.42 KB	-rw-r--r--	2025-01-08 10:43
AutoCompleteWindow.pyo	12.36 KB	-rw-r--r--	2025-01-08 10:43
AutoExpand.py	3.32 KB	-rw-r--r--	2025-01-08 10:43
AutoExpand.pyc	3.5 KB	-rw-r--r--	2025-01-08 10:43
AutoExpand.pyo	3.5 KB	-rw-r--r--	2025-01-08 10:43
Bindings.py	2.91 KB	-rw-r--r--	2025-01-08 10:43
Bindings.pyc	4.6 KB	-rw-r--r--	2025-01-08 10:43
Bindings.pyo	4.6 KB	-rw-r--r--	2025-01-08 10:43
CREDITS.txt	1.82 KB	-rw-r--r--	2025-01-08 10:43
CallTipWindow.py	5.92 KB	-rw-r--r--	2025-01-08 10:43
CallTipWindow.pyc	6.14 KB	-rw-r--r--	2025-01-08 10:43
CallTipWindow.pyo	6.14 KB	-rw-r--r--	2025-01-08 10:43
CallTips.py	7.56 KB	-rw-r--r--	2025-01-08 10:43
CallTips.pyc	8.16 KB	-rw-r--r--	2025-01-08 10:43
CallTips.pyo	8.16 KB	-rw-r--r--	2025-01-08 10:43
ChangeLog	55.07 KB	-rw-r--r--	2025-01-08 10:43
ClassBrowser.py	6.83 KB	-rw-r--r--	2025-01-08 10:43
ClassBrowser.pyc	9.66 KB	-rw-r--r--	2025-01-08 10:43
ClassBrowser.pyo	9.66 KB	-rw-r--r--	2025-01-08 10:43
CodeContext.py	8.15 KB	-rw-r--r--	2025-01-08 10:43
CodeContext.pyc	6.63 KB	-rw-r--r--	2025-01-08 10:43
CodeContext.pyo	6.59 KB	-rw-r--r--	2025-01-08 10:43
ColorDelegator.py	9.53 KB	-rw-r--r--	2025-01-08 10:43
ColorDelegator.pyc	8.91 KB	-rw-r--r--	2025-01-08 10:43
ColorDelegator.pyo	8.91 KB	-rw-r--r--	2025-01-08 10:43
Debugger.py	17.81 KB	-rw-r--r--	2025-01-08 10:43
Debugger.pyc	17.72 KB	-rw-r--r--	2025-01-08 10:43
Debugger.pyo	17.72 KB	-rw-r--r--	2025-01-08 10:43
Delegator.py	665 B	-rw-r--r--	2025-01-08 10:43
Delegator.pyc	1.31 KB	-rw-r--r--	2025-01-08 10:43
Delegator.pyo	1.31 KB	-rw-r--r--	2025-01-08 10:43
EditorWindow.py	63.96 KB	-rw-r--r--	2025-01-08 10:43
EditorWindow.pyc	57.15 KB	-rw-r--r--	2025-01-08 10:43
EditorWindow.pyo	57.05 KB	-rw-r--r--	2025-01-08 10:43
FileList.py	3.63 KB	-rw-r--r--	2025-01-08 10:43
FileList.pyc	4.07 KB	-rw-r--r--	2025-01-08 10:43
FileList.pyo	4.04 KB	-rw-r--r--	2025-01-08 10:43
FormatParagraph.py	7.12 KB	-rw-r--r--	2025-01-08 10:43
FormatParagraph.pyc	7.14 KB	-rw-r--r--	2025-01-08 10:43
FormatParagraph.pyo	7.14 KB	-rw-r--r--	2025-01-08 10:43
GrepDialog.py	5.02 KB	-rw-r--r--	2025-01-08 10:43
GrepDialog.pyc	6.45 KB	-rw-r--r--	2025-01-08 10:43
GrepDialog.pyo	6.45 KB	-rw-r--r--	2025-01-08 10:43
HISTORY.txt	10.08 KB	-rw-r--r--	2025-01-08 10:43
HyperParser.py	10.25 KB	-rw-r--r--	2025-01-08 10:43
HyperParser.pyc	6.64 KB	-rw-r--r--	2025-01-08 10:43
HyperParser.pyo	6.64 KB	-rw-r--r--	2025-01-08 10:43
IOBinding.py	21.4 KB	-rw-r--r--	2025-01-08 10:43
IOBinding.pyc	18.62 KB	-rw-r--r--	2025-01-08 10:43
IOBinding.pyo	18.62 KB	-rw-r--r--	2025-01-08 10:43
IdleHistory.py	3.96 KB	-rw-r--r--	2025-01-08 10:43
IdleHistory.pyc	4.05 KB	-rw-r--r--	2025-01-08 10:43
IdleHistory.pyo	4.05 KB	-rw-r--r--	2025-01-08 10:43
MultiCall.py	17.29 KB	-rw-r--r--	2025-01-08 10:43
MultiCall.pyc	16.4 KB	-rw-r--r--	2025-01-08 10:43
MultiCall.pyo	16.33 KB	-rw-r--r--	2025-01-08 10:43
MultiStatusBar.py	1.32 KB	-rw-r--r--	2025-01-08 10:43
MultiStatusBar.pyc	2.3 KB	-rw-r--r--	2025-01-08 10:43
MultiStatusBar.pyo	2.3 KB	-rw-r--r--	2025-01-08 10:43
NEWS.txt	46.14 KB	-rw-r--r--	2025-01-08 10:43
ObjectBrowser.py	4.27 KB	-rw-r--r--	2025-01-08 10:43
ObjectBrowser.pyc	7.26 KB	-rw-r--r--	2025-01-08 10:43
ObjectBrowser.pyo	7.26 KB	-rw-r--r--	2025-01-08 10:43
OutputWindow.py	4.47 KB	-rw-r--r--	2025-01-08 10:43
OutputWindow.pyc	5.3 KB	-rw-r--r--	2025-01-08 10:43
OutputWindow.pyo	5.3 KB	-rw-r--r--	2025-01-08 10:43
ParenMatch.py	6.56 KB	-rw-r--r--	2025-01-08 10:43
ParenMatch.pyc	7.18 KB	-rw-r--r--	2025-01-08 10:43
ParenMatch.pyo	7.18 KB	-rw-r--r--	2025-01-08 10:43
PathBrowser.py	2.94 KB	-rw-r--r--	2025-01-08 10:43
PathBrowser.pyc	4.57 KB	-rw-r--r--	2025-01-08 10:43
PathBrowser.pyo	4.57 KB	-rw-r--r--	2025-01-08 10:43
Percolator.py	3.15 KB	-rw-r--r--	2025-01-08 10:43
Percolator.pyc	4.69 KB	-rw-r--r--	2025-01-08 10:43
Percolator.pyo	4.51 KB	-rw-r--r--	2025-01-08 10:43
PyParse.py	19.05 KB	-rw-r--r--	2025-01-08 10:43
PyParse.pyc	9.99 KB	-rw-r--r--	2025-01-08 10:43
PyParse.pyo	9.56 KB	-rw-r--r--	2025-01-08 10:43
PyShell.py	57.49 KB	-rwxr-xr-x	2025-01-08 10:43
PyShell.pyc	53 KB	-rw-r--r--	2025-01-08 10:43
PyShell.pyo	52.9 KB	-rw-r--r--	2025-01-08 10:43
README.txt	7.71 KB	-rw-r--r--	2025-01-08 10:43
RemoteDebugger.py	11.36 KB	-rw-r--r--	2025-01-08 10:43
RemoteDebugger.pyc	16.73 KB	-rw-r--r--	2025-01-08 10:43
RemoteDebugger.pyo	16.58 KB	-rw-r--r--	2025-01-08 10:43
RemoteObjectBrowser.py	942 B	-rw-r--r--	2025-01-08 10:43
RemoteObjectBrowser.pyc	2.23 KB	-rw-r--r--	2025-01-08 10:43
RemoteObjectBrowser.pyo	2.23 KB	-rw-r--r--	2025-01-08 10:43
ReplaceDialog.py	6.48 KB	-rw-r--r--	2025-01-08 10:43
ReplaceDialog.pyc	7.83 KB	-rw-r--r--	2025-01-08 10:43
ReplaceDialog.pyo	7.83 KB	-rw-r--r--	2025-01-08 10:43
RstripExtension.py	1.03 KB	-rw-r--r--	2025-01-08 10:43
RstripExtension.pyc	1.63 KB	-rw-r--r--	2025-01-08 10:43
RstripExtension.pyo	1.63 KB	-rw-r--r--	2025-01-08 10:43
ScriptBinding.py	8.26 KB	-rw-r--r--	2025-01-08 10:43
ScriptBinding.pyc	8.17 KB	-rw-r--r--	2025-01-08 10:43
ScriptBinding.pyo	8.17 KB	-rw-r--r--	2025-01-08 10:43
ScrolledList.py	4.27 KB	-rw-r--r--	2025-01-08 10:43
ScrolledList.pyc	6.61 KB	-rw-r--r--	2025-01-08 10:43
ScrolledList.pyo	6.61 KB	-rw-r--r--	2025-01-08 10:43
SearchDialog.py	2.57 KB	-rw-r--r--	2025-01-08 10:43
SearchDialog.pyc	4.04 KB	-rw-r--r--	2025-01-08 10:43
SearchDialog.pyo	4.04 KB	-rw-r--r--	2025-01-08 10:43
SearchDialogBase.py	6.93 KB	-rw-r--r--	2025-01-08 10:43
SearchDialogBase.pyc	8.43 KB	-rw-r--r--	2025-01-08 10:43
SearchDialogBase.pyo	8.43 KB	-rw-r--r--	2025-01-08 10:43
SearchEngine.py	7.29 KB	-rw-r--r--	2025-01-08 10:43
SearchEngine.pyc	8.37 KB	-rw-r--r--	2025-01-08 10:43
SearchEngine.pyo	8.37 KB	-rw-r--r--	2025-01-08 10:43
StackViewer.py	4.33 KB	-rw-r--r--	2025-01-08 10:43
StackViewer.pyc	6.52 KB	-rw-r--r--	2025-01-08 10:43
StackViewer.pyo	6.52 KB	-rw-r--r--	2025-01-08 10:43
TODO.txt	8.28 KB	-rw-r--r--	2025-01-08 10:43
ToolTip.py	3.1 KB	-rw-r--r--	2025-01-08 10:43
ToolTip.pyc	4.78 KB	-rw-r--r--	2025-01-08 10:43
ToolTip.pyo	4.78 KB	-rw-r--r--	2025-01-08 10:43
TreeWidget.py	14.68 KB	-rw-r--r--	2025-01-08 10:43
TreeWidget.pyc	17.95 KB	-rw-r--r--	2025-01-08 10:43
TreeWidget.pyo	17.95 KB	-rw-r--r--	2025-01-08 10:43
UndoDelegator.py	10.53 KB	-rw-r--r--	2025-01-08 10:43
UndoDelegator.pyc	13.88 KB	-rw-r--r--	2025-01-08 10:43
UndoDelegator.pyo	13.88 KB	-rw-r--r--	2025-01-08 10:43
WidgetRedirector.py	6.74 KB	-rw-r--r--	2025-01-08 10:43
WidgetRedirector.pyc	7.76 KB	-rw-r--r--	2025-01-08 10:43
WidgetRedirector.pyo	7.76 KB	-rw-r--r--	2025-01-08 10:43
WindowList.py	2.42 KB	-rw-r--r--	2025-01-08 10:43
WindowList.pyc	3.74 KB	-rw-r--r--	2025-01-08 10:43
WindowList.pyo	3.74 KB	-rw-r--r--	2025-01-08 10:43
ZoomHeight.py	1.27 KB	-rw-r--r--	2025-01-08 10:43
ZoomHeight.pyc	1.67 KB	-rw-r--r--	2025-01-08 10:43
ZoomHeight.pyo	1.67 KB	-rw-r--r--	2025-01-08 10:43
__init__.py	288 B	-rw-r--r--	2025-01-08 10:43
__init__.pyc	444 B	-rw-r--r--	2025-01-08 10:43
__init__.pyo	444 B	-rw-r--r--	2025-01-08 10:43
aboutDialog.py	6.85 KB	-rw-r--r--	2025-01-08 10:43
aboutDialog.pyc	6.85 KB	-rw-r--r--	2025-01-08 10:43
aboutDialog.pyo	6.85 KB	-rw-r--r--	2025-01-08 10:43
config-extensions.def	2.9 KB	-rw-r--r--	2025-01-08 10:43
config-highlight.def	2.46 KB	-rw-r--r--	2025-01-08 10:43
config-keys.def	7.59 KB	-rw-r--r--	2025-01-08 10:43
config-main.def	2.5 KB	-rw-r--r--	2025-01-08 10:43
configDialog.py	64.41 KB	-rw-r--r--	2025-01-08 10:43
configDialog.pyc	53.16 KB	-rw-r--r--	2025-01-08 10:43
configDialog.pyo	53.16 KB	-rw-r--r--	2025-01-08 10:43
configHandler.py	31.72 KB	-rw-r--r--	2025-01-08 10:43
configHandler.pyc	29.28 KB	-rw-r--r--	2025-01-08 10:43
configHandler.pyo	29.28 KB	-rw-r--r--	2025-01-08 10:43
configHelpSourceEdit.py	6.53 KB	-rw-r--r--	2025-01-08 10:43
configHelpSourceEdit.pyc	6.55 KB	-rw-r--r--	2025-01-08 10:43
configHelpSourceEdit.pyo	6.55 KB	-rw-r--r--	2025-01-08 10:43
configSectionNameDialog.py	3.95 KB	-rw-r--r--	2025-01-08 10:43
configSectionNameDialog.pyc	4.4 KB	-rw-r--r--	2025-01-08 10:43
configSectionNameDialog.pyo	4.4 KB	-rw-r--r--	2025-01-08 10:43
dynOptionMenuWidget.py	1.94 KB	-rw-r--r--	2025-01-08 10:43
dynOptionMenuWidget.pyc	2.8 KB	-rw-r--r--	2025-01-08 10:43
dynOptionMenuWidget.pyo	2.8 KB	-rw-r--r--	2025-01-08 10:43
extend.txt	3.56 KB	-rw-r--r--	2025-01-08 10:43
help.html	41.42 KB	-rw-r--r--	2025-01-08 10:43
help.py	10.78 KB	-rw-r--r--	2025-01-08 10:43
help.pyc	12.25 KB	-rw-r--r--	2025-01-08 10:43
help.pyo	12.25 KB	-rw-r--r--	2025-01-08 10:43
help.txt	11.86 KB	-rw-r--r--	2025-01-08 10:43
idle.py	453 B	-rw-r--r--	2025-01-08 10:43
idle.pyc	423 B	-rw-r--r--	2025-01-08 10:43
idle.pyo	423 B	-rw-r--r--	2025-01-08 10:43
idle.pyw	563 B	-rw-r--r--	2025-01-08 10:43
idlever.py	415 B	-rw-r--r--	2025-01-08 10:43
idlever.pyc	591 B	-rw-r--r--	2025-01-08 10:43
idlever.pyo	591 B	-rw-r--r--	2025-01-08 10:43
keybindingDialog.py	12.18 KB	-rw-r--r--	2025-01-08 10:43
keybindingDialog.pyc	12.08 KB	-rw-r--r--	2025-01-08 10:43
keybindingDialog.pyo	12.08 KB	-rw-r--r--	2025-01-08 10:43
macosxSupport.py	8.24 KB	-rw-r--r--	2025-01-08 10:43
macosxSupport.pyc	8.38 KB	-rw-r--r--	2025-01-08 10:43
macosxSupport.pyo	8.25 KB	-rw-r--r--	2025-01-08 10:43
rpc.py	19.68 KB	-rw-r--r--	2025-01-08 10:43
rpc.pyc	21.97 KB	-rw-r--r--	2025-01-08 10:43
rpc.pyo	21.86 KB	-rw-r--r--	2025-01-08 10:43
run.py	12.61 KB	-rw-r--r--	2025-01-08 10:43
run.pyc	13.45 KB	-rw-r--r--	2025-01-08 10:43
run.pyo	13.39 KB	-rw-r--r--	2025-01-08 10:43
tabbedpages.py	18.01 KB	-rw-r--r--	2025-01-08 10:43
tabbedpages.pyc	18.63 KB	-rw-r--r--	2025-01-08 10:43
tabbedpages.pyo	18.63 KB	-rw-r--r--	2025-01-08 10:43
textView.py	3.44 KB	-rw-r--r--	2025-01-08 10:43
textView.pyc	4.02 KB	-rw-r--r--	2025-01-08 10:43
textView.pyo	4.02 KB	-rw-r--r--	2025-01-08 10:43

Rename

import string
from Tkinter import *

from idlelib.Delegator import Delegator

#$ event <<redo>>
#$ win <Control-y>
#$ unix <Alt-z>

#$ event <<undo>>
#$ win <Control-z>
#$ unix <Control-z>

#$ event <<dump-undo-state>>
#$ win <Control-backslash>
#$ unix <Control-backslash>

class UndoDelegator(Delegator):

max_undo = 1000

def __init__(self):
        Delegator.__init__(self)
        self.reset_undo()

def setdelegate(self, delegate):
        if self.delegate is not None:
            self.unbind("<<undo>>")
            self.unbind("<<redo>>")
            self.unbind("<<dump-undo-state>>")
        Delegator.setdelegate(self, delegate)
        if delegate is not None:
            self.bind("<<undo>>", self.undo_event)
            self.bind("<<redo>>", self.redo_event)
            self.bind("<<dump-undo-state>>", self.dump_event)

def dump_event(self, event):
        from pprint import pprint
        pprint(self.undolist[:self.pointer])
        print "pointer:", self.pointer,
        print "saved:", self.saved,
        print "can_merge:", self.can_merge,
        print "get_saved():", self.get_saved()
        pprint(self.undolist[self.pointer:])
        return "break"

def reset_undo(self):
        self.was_saved = -1
        self.pointer = 0
        self.undolist = []
        self.undoblock = 0  # or a CommandSequence instance
        self.set_saved(1)

def set_saved(self, flag):
        if flag:
            self.saved = self.pointer
        else:
            self.saved = -1
        self.can_merge = False
        self.check_saved()

def get_saved(self):
        return self.saved == self.pointer

saved_change_hook = None

def set_saved_change_hook(self, hook):
        self.saved_change_hook = hook

was_saved = -1

def check_saved(self):
        is_saved = self.get_saved()
        if is_saved != self.was_saved:
            self.was_saved = is_saved
            if self.saved_change_hook:
                self.saved_change_hook()

def insert(self, index, chars, tags=None):
        self.addcmd(InsertCommand(index, chars, tags))

def delete(self, index1, index2=None):
        self.addcmd(DeleteCommand(index1, index2))

# Clients should call undo_block_start() and undo_block_stop()
    # around a sequence of editing cmds to be treated as a unit by
    # undo & redo.  Nested matching calls are OK, and the inner calls
    # then act like nops.  OK too if no editing cmds, or only one
    # editing cmd, is issued in between:  if no cmds, the whole
    # sequence has no effect; and if only one cmd, that cmd is entered
    # directly into the undo list, as if undo_block_xxx hadn't been
    # called.  The intent of all that is to make this scheme easy
    # to use:  all the client has to worry about is making sure each
    # _start() call is matched by a _stop() call.

def undo_block_start(self):
        if self.undoblock == 0:
            self.undoblock = CommandSequence()
        self.undoblock.bump_depth()

def undo_block_stop(self):
        if self.undoblock.bump_depth(-1) == 0:
            cmd = self.undoblock
            self.undoblock = 0
            if len(cmd) > 0:
                if len(cmd) == 1:
                    # no need to wrap a single cmd
                    cmd = cmd.getcmd(0)
                # this blk of cmds, or single cmd, has already
                # been done, so don't execute it again
                self.addcmd(cmd, 0)

def addcmd(self, cmd, execute=True):
        if execute:
            cmd.do(self.delegate)
        if self.undoblock != 0:
            self.undoblock.append(cmd)
            return
        if self.can_merge and self.pointer > 0:
            lastcmd = self.undolist[self.pointer-1]
            if lastcmd.merge(cmd):
                return
        self.undolist[self.pointer:] = [cmd]
        if self.saved > self.pointer:
            self.saved = -1
        self.pointer = self.pointer + 1
        if len(self.undolist) > self.max_undo:
            ##print "truncating undo list"
            del self.undolist[0]
            self.pointer = self.pointer - 1
            if self.saved >= 0:
                self.saved = self.saved - 1
        self.can_merge = True
        self.check_saved()

def undo_event(self, event):
        if self.pointer == 0:
            self.bell()
            return "break"
        cmd = self.undolist[self.pointer - 1]
        cmd.undo(self.delegate)
        self.pointer = self.pointer - 1
        self.can_merge = False
        self.check_saved()
        return "break"

def redo_event(self, event):
        if self.pointer >= len(self.undolist):
            self.bell()
            return "break"
        cmd = self.undolist[self.pointer]
        cmd.redo(self.delegate)
        self.pointer = self.pointer + 1
        self.can_merge = False
        self.check_saved()
        return "break"

class Command:

# Base class for Undoable commands

tags = None

def __init__(self, index1, index2, chars, tags=None):
        self.marks_before = {}
        self.marks_after = {}
        self.index1 = index1
        self.index2 = index2
        self.chars = chars
        if tags:
            self.tags = tags

def __repr__(self):
        s = self.__class__.__name__
        t = (self.index1, self.index2, self.chars, self.tags)
        if self.tags is None:
            t = t[:-1]
        return s + repr(t)

def do(self, text):
        pass

def redo(self, text):
        pass

def undo(self, text):
        pass

def merge(self, cmd):
        return 0

def save_marks(self, text):
        marks = {}
        for name in text.mark_names():
            if name != "insert" and name != "current":
                marks[name] = text.index(name)
        return marks

def set_marks(self, text, marks):
        for name, index in marks.items():
            text.mark_set(name, index)

class InsertCommand(Command):

# Undoable insert command

def __init__(self, index1, chars, tags=None):
        Command.__init__(self, index1, None, chars, tags)

def do(self, text):
        self.marks_before = self.save_marks(text)
        self.index1 = text.index(self.index1)
        if text.compare(self.index1, ">", "end-1c"):
            # Insert before the final newline
            self.index1 = text.index("end-1c")
        text.insert(self.index1, self.chars, self.tags)
        self.index2 = text.index("%s+%dc" % (self.index1, len(self.chars)))
        self.marks_after = self.save_marks(text)
        ##sys.__stderr__.write("do: %s\n" % self)

def redo(self, text):
        text.mark_set('insert', self.index1)
        text.insert(self.index1, self.chars, self.tags)
        self.set_marks(text, self.marks_after)
        text.see('insert')
        ##sys.__stderr__.write("redo: %s\n" % self)

def undo(self, text):
        text.mark_set('insert', self.index1)
        text.delete(self.index1, self.index2)
        self.set_marks(text, self.marks_before)
        text.see('insert')
        ##sys.__stderr__.write("undo: %s\n" % self)

def merge(self, cmd):
        if self.__class__ is not cmd.__class__:
            return False
        if self.index2 != cmd.index1:
            return False
        if self.tags != cmd.tags:
            return False
        if len(cmd.chars) != 1:
            return False
        if self.chars and \
           self.classify(self.chars[-1]) != self.classify(cmd.chars):
            return False
        self.index2 = cmd.index2
        self.chars = self.chars + cmd.chars
        return True

alphanumeric = string.ascii_letters + string.digits + "_"

def classify(self, c):
        if c in self.alphanumeric:
            return "alphanumeric"
        if c == "\n":
            return "newline"
        return "punctuation"

class DeleteCommand(Command):

# Undoable delete command

def __init__(self, index1, index2=None):
        Command.__init__(self, index1, index2, None, None)

def do(self, text):
        self.marks_before = self.save_marks(text)
        self.index1 = text.index(self.index1)
        if self.index2:
            self.index2 = text.index(self.index2)
        else:
            self.index2 = text.index(self.index1 + " +1c")
        if text.compare(self.index2, ">", "end-1c"):
            # Don't delete the final newline
            self.index2 = text.index("end-1c")
        self.chars = text.get(self.index1, self.index2)
        text.delete(self.index1, self.index2)
        self.marks_after = self.save_marks(text)
        ##sys.__stderr__.write("do: %s\n" % self)

def redo(self, text):
        text.mark_set('insert', self.index1)
        text.delete(self.index1, self.index2)
        self.set_marks(text, self.marks_after)
        text.see('insert')
        ##sys.__stderr__.write("redo: %s\n" % self)

def undo(self, text):
        text.mark_set('insert', self.index1)
        text.insert(self.index1, self.chars)
        self.set_marks(text, self.marks_before)
        text.see('insert')
        ##sys.__stderr__.write("undo: %s\n" % self)

class CommandSequence(Command):

# Wrapper for a sequence of undoable cmds to be undone/redone
    # as a unit

def __init__(self):
        self.cmds = []
        self.depth = 0

def __repr__(self):
        s = self.__class__.__name__
        strs = []
        for cmd in self.cmds:
            strs.append("    %r" % (cmd,))
        return s + "(\n" + ",\n".join(strs) + "\n)"

def __len__(self):
        return len(self.cmds)

def append(self, cmd):
        self.cmds.append(cmd)

def getcmd(self, i):
        return self.cmds[i]

def redo(self, text):
        for cmd in self.cmds:
            cmd.redo(text)

def undo(self, text):
        cmds = self.cmds[:]
        cmds.reverse()
        for cmd in cmds:
            cmd.undo(text)

def bump_depth(self, incr=1):
        self.depth = self.depth + incr
        return self.depth

def _undo_delegator(parent):
    from idlelib.Percolator import Percolator
    root = Tk()
    root.title("Test UndoDelegator")
    width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
    root.geometry("+%d+%d"%(x, y + 150))

text = Text(root)
    text.config(height=10)
    text.pack()
    text.focus_set()
    p = Percolator(text)
    d = UndoDelegator()
    p.insertfilter(d)

undo = Button(root, text="Undo", command=lambda:d.undo_event(None))
    undo.pack(side='left')
    redo = Button(root, text="Redo", command=lambda:d.redo_event(None))
    redo.pack(side='left')
    dump = Button(root, text="Dump", command=lambda:d.dump_event(None))
    dump.pack(side='left')

root.mainloop()

if __name__ == "__main__":
    from idlelib.idle_test.htest import run
    run(_undo_delegator)