FM / idlelib

/usr/lib64/python2.6/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
aboutDialog.py	6825	0644	edit dl rm
aboutDialog.pyc	6965	0644	edit dl rm
aboutDialog.pyo	6965	0644	edit dl rm
AutoComplete.py	9061	0644	edit dl rm
AutoComplete.pyc	8023	0644	edit dl rm
AutoComplete.pyo	8023	0644	edit dl rm
AutoCompleteWindow.py	17201	0644	edit dl rm
AutoCompleteWindow.pyc	12580	0644	edit dl rm
AutoCompleteWindow.pyo	12517	0644	edit dl rm
AutoExpand.py	2483	0644	edit dl rm
AutoExpand.pyc	2587	0644	edit dl rm
AutoExpand.pyo	2587	0644	edit dl rm
Bindings.py	3502	0644	edit dl rm
Bindings.pyc	5064	0644	edit dl rm
Bindings.pyo	5064	0644	edit dl rm
CallTips.py	7608	0644	edit dl rm
CallTips.pyc	10287	0644	edit dl rm
CallTips.pyo	10287	0644	edit dl rm
CallTipWindow.py	5924	0644	edit dl rm
CallTipWindow.pyc	6217	0644	edit dl rm
CallTipWindow.pyo	6217	0644	edit dl rm
ChangeLog	56393	0644	edit dl rm
ClassBrowser.py	6369	0644	edit dl rm
ClassBrowser.pyc	9220	0644	edit dl rm
ClassBrowser.pyo	9220	0644	edit dl rm
CodeContext.py	8347	0644	edit dl rm
CodeContext.pyc	6733	0644	edit dl rm
CodeContext.pyo	6687	0644	edit dl rm
ColorDelegator.py	10150	0644	edit dl rm
ColorDelegator.pyc	8976	0644	edit dl rm
ColorDelegator.pyo	8976	0644	edit dl rm
config-extensions.def	2697	0644	edit dl rm
config-highlight.def	1740	0644	edit dl rm
config-keys.def	7517	0644	edit dl rm
config-main.def	2512	0644	edit dl rm
configDialog.py	53229	0644	edit dl rm
configDialog.pyc	44986	0644	edit dl rm
configDialog.pyo	44986	0644	edit dl rm
configHandler.py	28803	0644	edit dl rm
configHandler.pyc	27360	0644	edit dl rm
configHandler.pyo	27360	0644	edit dl rm
configHelpSourceEdit.py	6680	0644	edit dl rm
configHelpSourceEdit.pyc	6751	0644	edit dl rm
configHelpSourceEdit.pyo	6751	0644	edit dl rm
configSectionNameDialog.py	3720	0644	edit dl rm
configSectionNameDialog.pyc	4321	0644	edit dl rm
configSectionNameDialog.pyo	4321	0644	edit dl rm
CREDITS.txt	1856	0644	edit dl rm
Debugger.py	15818	0644	edit dl rm
Debugger.pyc	17074	0644	edit dl rm
Debugger.pyo	17074	0644	edit dl rm
Delegator.py	831	0644	edit dl rm
Delegator.pyc	1623	0644	edit dl rm
Delegator.pyo	1623	0644	edit dl rm
dynOptionMenuWidget.py	1302	0644	edit dl rm
dynOptionMenuWidget.pyc	1707	0644	edit dl rm
dynOptionMenuWidget.pyo	1707	0644	edit dl rm
EditorWindow.py	59734	0644	edit dl rm
EditorWindow.pyc	53007	0644	edit dl rm
EditorWindow.pyo	52904	0644	edit dl rm
extend.txt	3652	0644	edit dl rm
FileList.py	3660	0644	edit dl rm
FileList.pyc	4010	0644	edit dl rm
FileList.pyo	3975	0644	edit dl rm
FormatParagraph.py	5734	0644	edit dl rm
FormatParagraph.pyc	4827	0644	edit dl rm
FormatParagraph.pyo	4827	0644	edit dl rm
GrepDialog.py	4052	0644	edit dl rm
GrepDialog.pyc	5061	0644	edit dl rm
GrepDialog.pyo	5061	0644	edit dl rm
help.txt	11223	0644	edit dl rm
HISTORY.txt	10317	0644	edit dl rm
HyperParser.py	10310	0644	edit dl rm
HyperParser.pyc	6640	0644	edit dl rm
HyperParser.pyo	6640	0644	edit dl rm
idle.py	664	0644	edit dl rm
idle.pyc	596	0644	edit dl rm
idle.pyo	596	0644	edit dl rm
idle.pyw	664	0644	edit dl rm
IdleHistory.py	3145	0644	edit dl rm
IdleHistory.pyc	3231	0644	edit dl rm
IdleHistory.pyo	3231	0644	edit dl rm
idlever.py	23	0644	edit dl rm
idlever.pyc	159	0644	edit dl rm
idlever.pyo	159	0644	edit dl rm
IOBinding.py	20972	0644	edit dl rm
IOBinding.pyc	17791	0644	edit dl rm
IOBinding.pyo	17791	0644	edit dl rm
keybindingDialog.py	12407	0644	edit dl rm
keybindingDialog.pyc	12416	0644	edit dl rm
keybindingDialog.pyo	12416	0644	edit dl rm
macosxSupport.py	4724	0644	edit dl rm
macosxSupport.pyc	4886	0644	edit dl rm
macosxSupport.pyo	4886	0644	edit dl rm
MultiCall.py	17470	0644	edit dl rm
MultiCall.pyc	16208	0644	edit dl rm
MultiCall.pyo	16132	0644	edit dl rm
MultiStatusBar.py	789	0644	edit dl rm
MultiStatusBar.pyc	1548	0644	edit dl rm
MultiStatusBar.pyo	1548	0644	edit dl rm
NEWS.txt	27165	0644	edit dl rm
ObjectBrowser.py	4156	0644	edit dl rm
ObjectBrowser.pyc	6747	0644	edit dl rm
ObjectBrowser.pyo	6747	0644	edit dl rm
OutputWindow.py	4392	0644	edit dl rm
OutputWindow.pyc	5020	0644	edit dl rm
OutputWindow.pyo	5020	0644	edit dl rm
ParenMatch.py	6627	0644	edit dl rm
ParenMatch.pyc	7007	0644	edit dl rm
ParenMatch.pyo	7007	0644	edit dl rm
PathBrowser.py	2646	0644	edit dl rm
PathBrowser.pyc	4165	0644	edit dl rm
PathBrowser.pyo	4165	0644	edit dl rm
Percolator.py	2616	0644	edit dl rm
Percolator.pyc	3660	0644	edit dl rm
Percolator.pyo	3466	0644	edit dl rm
PyParse.py	19510	0644	edit dl rm
PyParse.pyc	10213	0644	edit dl rm
PyParse.pyo	9745	0644	edit dl rm
PyShell.py	51909	0644	edit dl rm
PyShell.pyc	46688	0644	edit dl rm
PyShell.pyo	46587	0644	edit dl rm
README.txt	2623	0644	edit dl rm
RemoteDebugger.py	11660	0644	edit dl rm
RemoteDebugger.pyc	16414	0644	edit dl rm
RemoteDebugger.pyo	16259	0644	edit dl rm
RemoteObjectBrowser.py	942	0644	edit dl rm
RemoteObjectBrowser.pyc	2167	0644	edit dl rm
RemoteObjectBrowser.pyo	2167	0644	edit dl rm
ReplaceDialog.py	5134	0644	edit dl rm
ReplaceDialog.pyc	5984	0644	edit dl rm
ReplaceDialog.pyo	5984	0644	edit dl rm
rpc.py	20215	0644	edit dl rm
rpc.pyc	21937	0644	edit dl rm
rpc.pyo	21827	0644	edit dl rm
run.py	11337	0644	edit dl rm
run.pyc	12214	0644	edit dl rm
run.pyo	12214	0644	edit dl rm
ScriptBinding.py	7783	0644	edit dl rm
ScriptBinding.pyc	7607	0644	edit dl rm
ScriptBinding.pyo	7607	0644	edit dl rm
ScrolledList.py	3995	0644	edit dl rm
ScrolledList.pyc	6193	0644	edit dl rm
ScrolledList.pyo	6193	0644	edit dl rm
SearchDialog.py	2040	0644	edit dl rm
SearchDialog.pyc	3026	0644	edit dl rm
SearchDialog.pyo	3026	0644	edit dl rm
SearchDialogBase.py	4385	0644	edit dl rm
SearchDialogBase.pyc	5518	0644	edit dl rm
SearchDialogBase.pyo	5518	0644	edit dl rm
SearchEngine.py	6731	0644	edit dl rm
SearchEngine.pyc	7257	0644	edit dl rm
SearchEngine.pyo	7257	0644	edit dl rm
StackViewer.py	3857	0644	edit dl rm
StackViewer.pyc	5958	0644	edit dl rm
StackViewer.pyo	5958	0644	edit dl rm
tabbedpages.py	18188	0644	edit dl rm
tabbedpages.pyc	18163	0644	edit dl rm
tabbedpages.pyo	18163	0644	edit dl rm
textView.py	3246	0644	edit dl rm
textView.pyc	3983	0644	edit dl rm
textView.pyo	3983	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
ToolTip.py	2736	0644	edit dl rm
ToolTip.pyc	4160	0644	edit dl rm
ToolTip.pyo	4160	0644	edit dl rm
TreeWidget.py	15237	0644	edit dl rm
TreeWidget.pyc	18014	0644	edit dl rm
TreeWidget.pyo	18014	0644	edit dl rm
UndoDelegator.py	10277	0644	edit dl rm
UndoDelegator.pyc	12646	0644	edit dl rm
UndoDelegator.pyo	12646	0644	edit dl rm
WidgetRedirector.py	4476	0644	edit dl rm
WidgetRedirector.pyc	5366	0644	edit dl rm
WidgetRedirector.pyo	5366	0644	edit dl rm
WindowList.py	2473	0644	edit dl rm
WindowList.pyc	3654	0644	edit dl rm
WindowList.pyo	3654	0644	edit dl rm
ZoomHeight.py	1307	0644	edit dl rm
ZoomHeight.pyc	1661	0644	edit dl rm
ZoomHeight.pyo	1661	0644	edit dl rm
__init__.py	37	0644	edit dl rm
__init__.pyc	127	0644	edit dl rm
__init__.pyo	127	0644	edit dl rm

Edit: /usr/lib64/python2.6/idlelib/EditorWindow.py (59734B)

import sys
import os
import re
import imp
from itertools import count
from Tkinter import *
import tkSimpleDialog
import tkMessageBox
import webbrowser

from idlelib.MultiCall import MultiCallCreator
from idlelib import idlever
from idlelib import WindowList
from idlelib import SearchDialog
from idlelib import GrepDialog
from idlelib import ReplaceDialog
from idlelib import PyParse
from idlelib.configHandler import idleConf
from idlelib import aboutDialog, textView, configDialog
from idlelib import macosxSupport

# The default tab setting for a Text widget, in average-width characters.
TK_TABWIDTH_DEFAULT = 8

def _sphinx_version():
    "Format sys.version_info to produce the Sphinx version string used to install the chm docs"
    major, minor, micro, level, serial = sys.version_info
    release = '%s%s' % (major, minor)
    if micro:
        release += '%s' % micro
    if level != 'final':
        release += '%s%s' % (level[0], serial)
    return release

def _find_module(fullname, path=None):
    """Version of imp.find_module() that handles hierarchical module names"""

file = None
    for tgt in fullname.split('.'):
        if file is not None:
            file.close()            # close intermediate files
        (file, filename, descr) = imp.find_module(tgt, path)
        if descr[2] == imp.PY_SOURCE:
            break                   # find but not load the source file
        module = imp.load_module(tgt, file, filename, descr)
        try:
            path = module.__path__
        except AttributeError:
            raise ImportError, 'No source for module ' + module.__name__
    return file, filename, descr

class EditorWindow(object):
    from idlelib.Percolator import Percolator
    from idlelib.ColorDelegator import ColorDelegator
    from idlelib.UndoDelegator import UndoDelegator
    from idlelib.IOBinding import IOBinding, filesystemencoding, encoding
    from idlelib import Bindings
    from Tkinter import Toplevel
    from idlelib.MultiStatusBar import MultiStatusBar

help_url = None

def __init__(self, flist=None, filename=None, key=None, root=None):
        if EditorWindow.help_url is None:
            dochome =  os.path.join(sys.prefix, 'Doc', 'index.html')
            if sys.platform.count('linux'):
                # look for html docs in a couple of standard places
                pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
                if os.path.isdir('/var/www/html/python/'):  # "python2" rpm
                    dochome = '/var/www/html/python/index.html'
                else:
                    basepath = '/usr/share/doc/'  # standard location
                    dochome = os.path.join(basepath, pyver,
                                           'Doc', 'index.html')
            elif sys.platform[:3] == 'win':
                chmfile = os.path.join(sys.prefix, 'Doc',
                                       'Python%s.chm' % _sphinx_version())
                if os.path.isfile(chmfile):
                    dochome = chmfile
            elif macosxSupport.runningAsOSXApp():
                # documentation is stored inside the python framework
                dochome = os.path.join(sys.prefix,
                        'Resources/English.lproj/Documentation/index.html')
            dochome = os.path.normpath(dochome)
            if os.path.isfile(dochome):
                EditorWindow.help_url = dochome
                if sys.platform == 'darwin':
                    # Safari requires real file:-URLs
                    EditorWindow.help_url = 'file://' + EditorWindow.help_url
            else:
                EditorWindow.help_url = "http://docs.python.org/%d.%d" % sys.version_info[:2]
        currentTheme=idleConf.CurrentTheme()
        self.flist = flist
        root = root or flist.root
        self.root = root
        try:
            sys.ps1
        except AttributeError:
            sys.ps1 = '>>> '
        self.menubar = Menu(root)
        self.top = top = WindowList.ListedToplevel(root, menu=self.menubar)
        if flist:
            self.tkinter_vars = flist.vars
            #self.top.instance_dict makes flist.inversedict avalable to
            #configDialog.py so it can access all EditorWindow instaces
            self.top.instance_dict = flist.inversedict
        else:
            self.tkinter_vars = {}  # keys: Tkinter event names
                                    # values: Tkinter variable instances
            self.top.instance_dict = {}
        self.recent_files_path = os.path.join(idleConf.GetUserCfgDir(),
                'recent-files.lst')
        self.text_frame = text_frame = Frame(top)
        self.vbar = vbar = Scrollbar(text_frame, name='vbar')
        self.width = idleConf.GetOption('main','EditorWindow','width')
        text_options = {
                'name': 'text',
                'padx': 5,
                'wrap': 'none',
                'width': self.width,
                'height': idleConf.GetOption('main', 'EditorWindow', 'height')}
        if TkVersion >= 8.5:
            # Starting with tk 8.5 we have to set the new tabstyle option
            # to 'wordprocessor' to achieve the same display of tabs as in
            # older tk versions.
            text_options['tabstyle'] = 'wordprocessor'
        self.text = text = MultiCallCreator(Text)(text_frame, **text_options)
        self.top.focused_widget = self.text

self.createmenubar()
        self.apply_bindings()

self.top.protocol("WM_DELETE_WINDOW", self.close)
        self.top.bind("<<close-window>>", self.close_event)
        if macosxSupport.runningAsOSXApp():
            # Command-W on editorwindows doesn't work without this.
            text.bind('<<close-window>>', self.close_event)
        text.bind("<<cut>>", self.cut)
        text.bind("<<copy>>", self.copy)
        text.bind("<<paste>>", self.paste)
        text.bind("<<center-insert>>", self.center_insert_event)
        text.bind("<<help>>", self.help_dialog)
        text.bind("<<python-docs>>", self.python_docs)
        text.bind("<<about-idle>>", self.about_dialog)
        text.bind("<<open-config-dialog>>", self.config_dialog)
        text.bind("<<open-module>>", self.open_module)
        text.bind("<<do-nothing>>", lambda event: "break")
        text.bind("<<select-all>>", self.select_all)
        text.bind("<<remove-selection>>", self.remove_selection)
        text.bind("<<find>>", self.find_event)
        text.bind("<<find-again>>", self.find_again_event)
        text.bind("<<find-in-files>>", self.find_in_files_event)
        text.bind("<<find-selection>>", self.find_selection_event)
        text.bind("<<replace>>", self.replace_event)
        text.bind("<<goto-line>>", self.goto_line_event)
        text.bind("<3>", self.right_menu_event)
        text.bind("<<smart-backspace>>",self.smart_backspace_event)
        text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
        text.bind("<<smart-indent>>",self.smart_indent_event)
        text.bind("<<indent-region>>",self.indent_region_event)
        text.bind("<<dedent-region>>",self.dedent_region_event)
        text.bind("<<comment-region>>",self.comment_region_event)
        text.bind("<<uncomment-region>>",self.uncomment_region_event)
        text.bind("<<tabify-region>>",self.tabify_region_event)
        text.bind("<<untabify-region>>",self.untabify_region_event)
        text.bind("<<toggle-tabs>>",self.toggle_tabs_event)
        text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
        text.bind("<Left>", self.move_at_edge_if_selection(0))
        text.bind("<Right>", self.move_at_edge_if_selection(1))
        text.bind("<<del-word-left>>", self.del_word_left)
        text.bind("<<del-word-right>>", self.del_word_right)
        text.bind("<<beginning-of-line>>", self.home_callback)

if flist:
            flist.inversedict[self] = key
            if key:
                flist.dict[key] = self
            text.bind("<<open-new-window>>", self.new_callback)
            text.bind("<<close-all-windows>>", self.flist.close_all_callback)
            text.bind("<<open-class-browser>>", self.open_class_browser)
            text.bind("<<open-path-browser>>", self.open_path_browser)

self.set_status_bar()
        vbar['command'] = text.yview
        vbar.pack(side=RIGHT, fill=Y)
        text['yscrollcommand'] = vbar.set
        fontWeight = 'normal'
        if idleConf.GetOption('main', 'EditorWindow', 'font-bold', type='bool'):
            fontWeight='bold'
        text.config(font=(idleConf.GetOption('main', 'EditorWindow', 'font'),
                          idleConf.GetOption('main', 'EditorWindow', 'font-size'),
                          fontWeight))
        text_frame.pack(side=LEFT, fill=BOTH, expand=1)
        text.pack(side=TOP, fill=BOTH, expand=1)
        text.focus_set()

# usetabs true  -> literal tab characters are used by indent and
        #                  dedent cmds, possibly mixed with spaces if
        #                  indentwidth is not a multiple of tabwidth,
        #                  which will cause Tabnanny to nag!
        #         false -> tab characters are converted to spaces by indent
        #                  and dedent cmds, and ditto TAB keystrokes
        # Although use-spaces=0 can be configured manually in config-main.def,
        # configuration of tabs v. spaces is not supported in the configuration
        # dialog.  IDLE promotes the preferred Python indentation: use spaces!
        usespaces = idleConf.GetOption('main', 'Indent', 'use-spaces', type='bool')
        self.usetabs = not usespaces

# tabwidth is the display width of a literal tab character.
        # CAUTION:  telling Tk to use anything other than its default
        # tab setting causes it to use an entirely different tabbing algorithm,
        # treating tab stops as fixed distances from the left margin.
        # Nobody expects this, so for now tabwidth should never be changed.
        self.tabwidth = 8    # must remain 8 until Tk is fixed.

# indentwidth is the number of screen characters per indent level.
        # The recommended Python indentation is four spaces.
        self.indentwidth = self.tabwidth
        self.set_notabs_indentwidth()

# If context_use_ps1 is true, parsing searches back for a ps1 line;
        # else searches for a popular (if, def, ...) Python stmt.
        self.context_use_ps1 = False

# When searching backwards for a reliable place to begin parsing,
        # first start num_context_lines[0] lines back, then
        # num_context_lines[1] lines back if that didn't work, and so on.
        # The last value should be huge (larger than the # of lines in a
        # conceivable file).
        # Making the initial values larger slows things down more often.
        self.num_context_lines = 50, 500, 5000000

self.per = per = self.Percolator(text)

self.undo = undo = self.UndoDelegator()
        per.insertfilter(undo)
        text.undo_block_start = undo.undo_block_start
        text.undo_block_stop = undo.undo_block_stop
        undo.set_saved_change_hook(self.saved_change_hook)

# IOBinding implements file I/O and printing functionality
        self.io = io = self.IOBinding(self)
        io.set_filename_change_hook(self.filename_change_hook)

# Create the recent files submenu
        self.recent_files_menu = Menu(self.menubar)
        self.menudict['file'].insert_cascade(3, label='Recent Files',
                                             underline=0,
                                             menu=self.recent_files_menu)
        self.update_recent_files_list()

self.color = None # initialized below in self.ResetColorizer
        if filename:
            if os.path.exists(filename) and not os.path.isdir(filename):
                io.loadfile(filename)
            else:
                io.set_filename(filename)
        self.ResetColorizer()
        self.saved_change_hook()

self.set_indentation_params(self.ispythonsource(filename))

self.load_extensions()

menu = self.menudict.get('windows')
        if menu:
            end = menu.index("end")
            if end is None:
                end = -1
            if end >= 0:
                menu.add_separator()
                end = end + 1
            self.wmenu_end = end
            WindowList.register_callback(self.postwindowsmenu)

# Some abstractions so IDLE extensions are cross-IDE
        self.askyesno = tkMessageBox.askyesno
        self.askinteger = tkSimpleDialog.askinteger
        self.showerror = tkMessageBox.showerror

def _filename_to_unicode(self, filename):
        """convert filename to unicode in order to display it in Tk"""
        if isinstance(filename, unicode) or not filename:
            return filename
        else:
            try:
                return filename.decode(self.filesystemencoding)
            except UnicodeDecodeError:
                # XXX
                try:
                    return filename.decode(self.encoding)
                except UnicodeDecodeError:
                    # byte-to-byte conversion
                    return filename.decode('iso8859-1')

def new_callback(self, event):
        dirname, basename = self.io.defaultfilename()
        self.flist.new(dirname)
        return "break"

def home_callback(self, event):
        if (event.state & 12) != 0 and event.keysym == "Home":
            # state&1==shift, state&4==control, state&8==alt
            return # <Modifier-Home>; fall back to class binding

if self.text.index("iomark") and \
           self.text.compare("iomark", "<=", "insert lineend") and \
           self.text.compare("insert linestart", "<=", "iomark"):
            insertpt = int(self.text.index("iomark").split(".")[1])
        else:
            line = self.text.get("insert linestart", "insert lineend")
            for insertpt in xrange(len(line)):
                if line[insertpt] not in (' ','\t'):
                    break
            else:
                insertpt=len(line)

lineat = int(self.text.index("insert").split('.')[1])

if insertpt == lineat:
            insertpt = 0

dest = "insert linestart+"+str(insertpt)+"c"

if (event.state&1) == 0:
            # shift not pressed
            self.text.tag_remove("sel", "1.0", "end")
        else:
            if not self.text.index("sel.first"):
                self.text.mark_set("anchor","insert")

first = self.text.index(dest)
            last = self.text.index("anchor")

if self.text.compare(first,">",last):
                first,last = last,first

self.text.tag_remove("sel", "1.0", "end")
            self.text.tag_add("sel", first, last)

self.text.mark_set("insert", dest)
        self.text.see("insert")
        return "break"

def set_status_bar(self):
        self.status_bar = self.MultiStatusBar(self.top)
        if macosxSupport.runningAsOSXApp():
            # Insert some padding to avoid obscuring some of the statusbar
            # by the resize widget.
            self.status_bar.set_label('_padding1', '    ', side=RIGHT)
        self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
        self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
        self.status_bar.pack(side=BOTTOM, fill=X)
        self.text.bind("<<set-line-and-column>>", self.set_line_and_column)
        self.text.event_add("<<set-line-and-column>>",
                            "<KeyRelease>", "<ButtonRelease>")
        self.text.after_idle(self.set_line_and_column)

def set_line_and_column(self, event=None):
        line, column = self.text.index(INSERT).split('.')
        self.status_bar.set_label('column', 'Col: %s' % column)
        self.status_bar.set_label('line', 'Ln: %s' % line)

menu_specs = [
        ("file", "_File"),
        ("edit", "_Edit"),
        ("format", "F_ormat"),
        ("run", "_Run"),
        ("options", "_Options"),
        ("windows", "_Windows"),
        ("help", "_Help"),
    ]

if macosxSupport.runningAsOSXApp():
        del menu_specs[-3]
        menu_specs[-2] = ("windows", "_Window")

def createmenubar(self):
        mbar = self.menubar
        self.menudict = menudict = {}
        for name, label in self.menu_specs:
            underline, label = prepstr(label)
            menudict[name] = menu = Menu(mbar, name=name)
            mbar.add_cascade(label=label, menu=menu, underline=underline)

if macosxSupport.runningAsOSXApp():
            # Insert the application menu
            menudict['application'] = menu = Menu(mbar, name='apple')
            mbar.add_cascade(label='IDLE', menu=menu)

self.fill_menus()
        self.base_helpmenu_length = self.menudict['help'].index(END)
        self.reset_help_menu_entries()

def postwindowsmenu(self):
        # Only called when Windows menu exists
        menu = self.menudict['windows']
        end = menu.index("end")
        if end is None:
            end = -1
        if end > self.wmenu_end:
            menu.delete(self.wmenu_end+1, end)
        WindowList.add_windows_to_menu(menu)

rmenu = None

def right_menu_event(self, event):
        self.text.tag_remove("sel", "1.0", "end")
        self.text.mark_set("insert", "@%d,%d" % (event.x, event.y))
        if not self.rmenu:
            self.make_rmenu()
        rmenu = self.rmenu
        self.event = event
        iswin = sys.platform[:3] == 'win'
        if iswin:
            self.text.config(cursor="arrow")
        rmenu.tk_popup(event.x_root, event.y_root)
        if iswin:
            self.text.config(cursor="ibeam")

rmenu_specs = [
        # ("Label", "<<virtual-event>>"), ...
        ("Close", "<<close-window>>"), # Example
    ]

def make_rmenu(self):
        rmenu = Menu(self.text, tearoff=0)
        for label, eventname in self.rmenu_specs:
            def command(text=self.text, eventname=eventname):
                text.event_generate(eventname)
            rmenu.add_command(label=label, command=command)
        self.rmenu = rmenu

def about_dialog(self, event=None):
        aboutDialog.AboutDialog(self.top,'About IDLE')

def config_dialog(self, event=None):
        configDialog.ConfigDialog(self.top,'Settings')

def help_dialog(self, event=None):
        fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
        textView.view_file(self.top,'Help',fn)

def python_docs(self, event=None):
        if sys.platform[:3] == 'win':
            os.startfile(self.help_url)
        else:
            webbrowser.open(self.help_url)
        return "break"

def cut(self,event):
        self.text.event_generate("<<Cut>>")
        return "break"

def copy(self,event):
        if not self.text.tag_ranges("sel"):
            # There is no selection, so do nothing and maybe interrupt.
            return
        self.text.event_generate("<<Copy>>")
        return "break"

def paste(self,event):
        self.text.event_generate("<<Paste>>")
        self.text.see("insert")
        return "break"

def select_all(self, event=None):
        self.text.tag_add("sel", "1.0", "end-1c")
        self.text.mark_set("insert", "1.0")
        self.text.see("insert")
        return "break"

def remove_selection(self, event=None):
        self.text.tag_remove("sel", "1.0", "end")
        self.text.see("insert")

def move_at_edge_if_selection(self, edge_index):
        """Cursor move begins at start or end of selection

When a left/right cursor key is pressed create and return to Tkinter a
        function which causes a cursor move from the associated edge of the
        selection.

"""
        self_text_index = self.text.index
        self_text_mark_set = self.text.mark_set
        edges_table = ("sel.first+1c", "sel.last-1c")
        def move_at_edge(event):
            if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed
                try:
                    self_text_index("sel.first")
                    self_text_mark_set("insert", edges_table[edge_index])
                except TclError:
                    pass
        return move_at_edge

def del_word_left(self, event):
        self.text.event_generate('<Meta-Delete>')
        return "break"

def del_word_right(self, event):
        self.text.event_generate('<Meta-d>')
        return "break"

def find_event(self, event):
        SearchDialog.find(self.text)
        return "break"

def find_again_event(self, event):
        SearchDialog.find_again(self.text)
        return "break"

def find_selection_event(self, event):
        SearchDialog.find_selection(self.text)
        return "break"

def find_in_files_event(self, event):
        GrepDialog.grep(self.text, self.io, self.flist)
        return "break"

def replace_event(self, event):
        ReplaceDialog.replace(self.text)
        return "break"

def goto_line_event(self, event):
        text = self.text
        lineno = tkSimpleDialog.askinteger("Goto",
                "Go to line number:",parent=text)
        if lineno is None:
            return "break"
        if lineno <= 0:
            text.bell()
            return "break"
        text.mark_set("insert", "%d.0" % lineno)
        text.see("insert")

def open_module(self, event=None):
        # XXX Shouldn't this be in IOBinding or in FileList?
        try:
            name = self.text.get("sel.first", "sel.last")
        except TclError:
            name = ""
        else:
            name = name.strip()
        name = tkSimpleDialog.askstring("Module",
                 "Enter the name of a Python module\n"
                 "to search on sys.path and open:",
                 parent=self.text, initialvalue=name)
        if name:
            name = name.strip()
        if not name:
            return
        # XXX Ought to insert current file's directory in front of path
        try:
            (f, file, (suffix, mode, type)) = _find_module(name)
        except (NameError, ImportError), msg:
            tkMessageBox.showerror("Import error", str(msg), parent=self.text)
            return
        if type != imp.PY_SOURCE:
            tkMessageBox.showerror("Unsupported type",
                "%s is not a source module" % name, parent=self.text)
            return
        if f:
            f.close()
        if self.flist:
            self.flist.open(file)
        else:
            self.io.loadfile(file)

def open_class_browser(self, event=None):
        filename = self.io.filename
        if not filename:
            tkMessageBox.showerror(
                "No filename",
                "This buffer has no associated filename",
                master=self.text)
            self.text.focus_set()
            return None
        head, tail = os.path.split(filename)
        base, ext = os.path.splitext(tail)
        from idlelib import ClassBrowser
        ClassBrowser.ClassBrowser(self.flist, base, [head])

def open_path_browser(self, event=None):
        from idlelib import PathBrowser
        PathBrowser.PathBrowser(self.flist)

def gotoline(self, lineno):
        if lineno is not None and lineno > 0:
            self.text.mark_set("insert", "%d.0" % lineno)
            self.text.tag_remove("sel", "1.0", "end")
            self.text.tag_add("sel", "insert", "insert +1l")
            self.center()

def ispythonsource(self, filename):
        if not filename or os.path.isdir(filename):
            return True
        base, ext = os.path.splitext(os.path.basename(filename))
        if os.path.normcase(ext) in (".py", ".pyw"):
            return True
        try:
            f = open(filename)
            line = f.readline()
            f.close()
        except IOError:
            return False
        return line.startswith('#!') and line.find('python') >= 0

def close_hook(self):
        if self.flist:
            self.flist.unregister_maybe_terminate(self)
            self.flist = None

def set_close_hook(self, close_hook):
        self.close_hook = close_hook

def filename_change_hook(self):
        if self.flist:
            self.flist.filename_changed_edit(self)
        self.saved_change_hook()
        self.top.update_windowlist_registry(self)
        self.ResetColorizer()

def _addcolorizer(self):
        if self.color:
            return
        if self.ispythonsource(self.io.filename):
            self.color = self.ColorDelegator()
        # can add more colorizers here...
        if self.color:
            self.per.removefilter(self.undo)
            self.per.insertfilter(self.color)
            self.per.insertfilter(self.undo)

def _rmcolorizer(self):
        if not self.color:
            return
        self.color.removecolors()
        self.per.removefilter(self.color)
        self.color = None

def ResetColorizer(self):
        "Update the colour theme"
        # Called from self.filename_change_hook and from configDialog.py
        self._rmcolorizer()
        self._addcolorizer()
        theme = idleConf.GetOption('main','Theme','name')
        normal_colors = idleConf.GetHighlight(theme, 'normal')
        cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
        select_colors = idleConf.GetHighlight(theme, 'hilite')
        self.text.config(
            foreground=normal_colors['foreground'],
            background=normal_colors['background'],
            insertbackground=cursor_color,
            selectforeground=select_colors['foreground'],
            selectbackground=select_colors['background'],
            )

def ResetFont(self):
        "Update the text widgets' font if it is changed"
        # Called from configDialog.py
        fontWeight='normal'
        if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
            fontWeight='bold'
        self.text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
                idleConf.GetOption('main','EditorWindow','font-size'),
                fontWeight))

def RemoveKeybindings(self):
        "Remove the keybindings before they are changed."
        # Called from configDialog.py
        self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
        for event, keylist in keydefs.items():
            self.text.event_delete(event, *keylist)
        for extensionName in self.get_standard_extension_names():
            xkeydefs = idleConf.GetExtensionBindings(extensionName)
            if xkeydefs:
                for event, keylist in xkeydefs.items():
                    self.text.event_delete(event, *keylist)

def ApplyKeybindings(self):
        "Update the keybindings after they are changed"
        # Called from configDialog.py
        self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
        self.apply_bindings()
        for extensionName in self.get_standard_extension_names():
            xkeydefs = idleConf.GetExtensionBindings(extensionName)
            if xkeydefs:
                self.apply_bindings(xkeydefs)
        #update menu accelerators
        menuEventDict = {}
        for menu in self.Bindings.menudefs:
            menuEventDict[menu[0]] = {}
            for item in menu[1]:
                if item:
                    menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1]
        for menubarItem in self.menudict.keys():
            menu = self.menudict[menubarItem]
            end = menu.index(END) + 1
            for index in range(0, end):
                if menu.type(index) == 'command':
                    accel = menu.entrycget(index, 'accelerator')
                    if accel:
                        itemName = menu.entrycget(index, 'label')
                        event = ''
                        if menuEventDict.has_key(menubarItem):
                            if menuEventDict[menubarItem].has_key(itemName):
                                event = menuEventDict[menubarItem][itemName]
                        if event:
                            accel = get_accelerator(keydefs, event)
                            menu.entryconfig(index, accelerator=accel)

def set_notabs_indentwidth(self):
        "Update the indentwidth if changed and not using tabs in this window"
        # Called from configDialog.py
        if not self.usetabs:
            self.indentwidth = idleConf.GetOption('main', 'Indent','num-spaces',
                                                  type='int')

def reset_help_menu_entries(self):
        "Update the additional help entries on the Help menu"
        help_list = idleConf.GetAllExtraHelpSourcesList()
        helpmenu = self.menudict['help']
        # first delete the extra help entries, if any
        helpmenu_length = helpmenu.index(END)
        if helpmenu_length > self.base_helpmenu_length:
            helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length)
        # then rebuild them
        if help_list:
            helpmenu.add_separator()
            for entry in help_list:
                cmd = self.__extra_help_callback(entry[1])
                helpmenu.add_command(label=entry[0], command=cmd)
        # and update the menu dictionary
        self.menudict['help'] = helpmenu

def __extra_help_callback(self, helpfile):
        "Create a callback with the helpfile value frozen at definition time"
        def display_extra_help(helpfile=helpfile):
            if not helpfile.startswith(('www', 'http')):
                url = os.path.normpath(helpfile)
            if sys.platform[:3] == 'win':
                os.startfile(helpfile)
            else:
                webbrowser.open(helpfile)
        return display_extra_help

def update_recent_files_list(self, new_file=None):
        "Load and update the recent files list and menus"
        rf_list = []
        if os.path.exists(self.recent_files_path):
            rf_list_file = open(self.recent_files_path,'r')
            try:
                rf_list = rf_list_file.readlines()
            finally:
                rf_list_file.close()
        if new_file:
            new_file = os.path.abspath(new_file) + '\n'
            if new_file in rf_list:
                rf_list.remove(new_file)  # move to top
            rf_list.insert(0, new_file)
        # clean and save the recent files list
        bad_paths = []
        for path in rf_list:
            if '\0' in path or not os.path.exists(path[0:-1]):
                bad_paths.append(path)
        rf_list = [path for path in rf_list if path not in bad_paths]
        ulchars = "1234567890ABCDEFGHIJK"
        rf_list = rf_list[0:len(ulchars)]
        rf_file = open(self.recent_files_path, 'w')
        try:
            rf_file.writelines(rf_list)
        finally:
            rf_file.close()
        # for each edit window instance, construct the recent files menu
        for instance in self.top.instance_dict.keys():
            menu = instance.recent_files_menu
            menu.delete(1, END)  # clear, and rebuild:
            for i, file in zip(count(), rf_list):
                file_name = file[0:-1]  # zap \n
                # make unicode string to display non-ASCII chars correctly
                ufile_name = self._filename_to_unicode(file_name)
                callback = instance.__recent_file_callback(file_name)
                menu.add_command(label=ulchars[i] + " " + ufile_name,
                                 command=callback,
                                 underline=0)

def __recent_file_callback(self, file_name):
        def open_recent_file(fn_closure=file_name):
            self.io.open(editFile=fn_closure)
        return open_recent_file

def saved_change_hook(self):
        short = self.short_title()
        long = self.long_title()
        if short and long:
            title = short + " - " + long
        elif short:
            title = short
        elif long:
            title = long
        else:
            title = "Untitled"
        icon = short or long or title
        if not self.get_saved():
            title = "*%s*" % title
            icon = "*%s" % icon
        self.top.wm_title(title)
        self.top.wm_iconname(icon)

def get_saved(self):
        return self.undo.get_saved()

def set_saved(self, flag):
        self.undo.set_saved(flag)

def reset_undo(self):
        self.undo.reset_undo()

def short_title(self):
        filename = self.io.filename
        if filename:
            filename = os.path.basename(filename)
        # return unicode string to display non-ASCII chars correctly
        return self._filename_to_unicode(filename)

def long_title(self):
        # return unicode string to display non-ASCII chars correctly
        return self._filename_to_unicode(self.io.filename or "")

def center_insert_event(self, event):
        self.center()

def center(self, mark="insert"):
        text = self.text
        top, bot = self.getwindowlines()
        lineno = self.getlineno(mark)
        height = bot - top
        newtop = max(1, lineno - height//2)
        text.yview(float(newtop))

def getwindowlines(self):
        text = self.text
        top = self.getlineno("@0,0")
        bot = self.getlineno("@0,65535")
        if top == bot and text.winfo_height() == 1:
            # Geometry manager hasn't run yet
            height = int(text['height'])
            bot = top + height - 1
        return top, bot

def getlineno(self, mark="insert"):
        text = self.text
        return int(float(text.index(mark)))

def get_geometry(self):
        "Return (width, height, x, y)"
        geom = self.top.wm_geometry()
        m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
        tuple = (map(int, m.groups()))
        return tuple

def close_event(self, event):
        self.close()

def maybesave(self):
        if self.io:
            if not self.get_saved():
                if self.top.state()!='normal':
                    self.top.deiconify()
                self.top.lower()
                self.top.lift()
            return self.io.maybesave()

def close(self):
        reply = self.maybesave()
        if str(reply) != "cancel":
            self._close()
        return reply

def _close(self):
        if self.io.filename:
            self.update_recent_files_list(new_file=self.io.filename)
        WindowList.unregister_callback(self.postwindowsmenu)
        self.unload_extensions()
        self.io.close()
        self.io = None
        self.undo = None
        if self.color:
            self.color.close(False)
            self.color = None
        self.text = None
        self.tkinter_vars = None
        self.per.close()
        self.per = None
        self.top.destroy()
        if self.close_hook:
            # unless override: unregister from flist, terminate if last window
            self.close_hook()

def load_extensions(self):
        self.extensions = {}
        self.load_standard_extensions()

def unload_extensions(self):
        for ins in self.extensions.values():
            if hasattr(ins, "close"):
                ins.close()
        self.extensions = {}

def load_standard_extensions(self):
        for name in self.get_standard_extension_names():
            try:
                self.load_extension(name)
            except:
                print "Failed to load extension", repr(name)
                import traceback
                traceback.print_exc()

def get_standard_extension_names(self):
        return idleConf.GetExtensions(editor_only=True)

def load_extension(self, name):
        try:
            mod = __import__(name, globals(), locals(), [])
        except ImportError:
            print "\nFailed to import extension: ", name
            return
        cls = getattr(mod, name)
        keydefs = idleConf.GetExtensionBindings(name)
        if hasattr(cls, "menudefs"):
            self.fill_menus(cls.menudefs, keydefs)
        ins = cls(self)
        self.extensions[name] = ins
        if keydefs:
            self.apply_bindings(keydefs)
            for vevent in keydefs.keys():
                methodname = vevent.replace("-", "_")
                while methodname[:1] == '<':
                    methodname = methodname[1:]
                while methodname[-1:] == '>':
                    methodname = methodname[:-1]
                methodname = methodname + "_event"
                if hasattr(ins, methodname):
                    self.text.bind(vevent, getattr(ins, methodname))

def apply_bindings(self, keydefs=None):
        if keydefs is None:
            keydefs = self.Bindings.default_keydefs
        text = self.text
        text.keydefs = keydefs
        for event, keylist in keydefs.items():
            if keylist:
                text.event_add(event, *keylist)

def fill_menus(self, menudefs=None, keydefs=None):
        """Add appropriate entries to the menus and submenus

Menus that are absent or None in self.menudict are ignored.
        """
        if menudefs is None:
            menudefs = self.Bindings.menudefs
        if keydefs is None:
            keydefs = self.Bindings.default_keydefs
        menudict = self.menudict
        text = self.text
        for mname, entrylist in menudefs:
            menu = menudict.get(mname)
            if not menu:
                continue
            for entry in entrylist:
                if not entry:
                    menu.add_separator()
                else:
                    label, eventname = entry
                    checkbutton = (label[:1] == '!')
                    if checkbutton:
                        label = label[1:]
                    underline, label = prepstr(label)
                    accelerator = get_accelerator(keydefs, eventname)
                    def command(text=text, eventname=eventname):
                        text.event_generate(eventname)
                    if checkbutton:
                        var = self.get_var_obj(eventname, BooleanVar)
                        menu.add_checkbutton(label=label, underline=underline,
                            command=command, accelerator=accelerator,
                            variable=var)
                    else:
                        menu.add_command(label=label, underline=underline,
                                         command=command,
                                         accelerator=accelerator)

def getvar(self, name):
        var = self.get_var_obj(name)
        if var:
            value = var.get()
            return value
        else:
            raise NameError, name

def setvar(self, name, value, vartype=None):
        var = self.get_var_obj(name, vartype)
        if var:
            var.set(value)
        else:
            raise NameError, name

def get_var_obj(self, name, vartype=None):
        var = self.tkinter_vars.get(name)
        if not var and vartype:
            # create a Tkinter variable object with self.text as master:
            self.tkinter_vars[name] = var = vartype(self.text)
        return var

# Tk implementations of "virtual text methods" -- each platform
    # reusing IDLE's support code needs to define these for its GUI's
    # flavor of widget.

# Is character at text_index in a Python string?  Return 0 for
    # "guaranteed no", true for anything else.  This info is expensive
    # to compute ab initio, but is probably already known by the
    # platform's colorizer.

def is_char_in_string(self, text_index):
        if self.color:
            # Return true iff colorizer hasn't (re)gotten this far
            # yet, or the character is tagged as being in a string
            return self.text.tag_prevrange("TODO", text_index) or \
                   "STRING" in self.text.tag_names(text_index)
        else:
            # The colorizer is missing: assume the worst
            return 1

# If a selection is defined in the text widget, return (start,
    # end) as Tkinter text indices, otherwise return (None, None)
    def get_selection_indices(self):
        try:
            first = self.text.index("sel.first")
            last = self.text.index("sel.last")
            return first, last
        except TclError:
            return None, None

# Return the text widget's current view of what a tab stop means
    # (equivalent width in spaces).

def get_tabwidth(self):
        current = self.text['tabs'] or TK_TABWIDTH_DEFAULT
        return int(current)

# Set the text widget's current view of what a tab stop means.

def set_tabwidth(self, newtabwidth):
        text = self.text
        if self.get_tabwidth() != newtabwidth:
            pixels = text.tk.call("font", "measure", text["font"],
                                  "-displayof", text.master,
                                  "n" * newtabwidth)
            text.configure(tabs=pixels)

# If ispythonsource and guess are true, guess a good value for
    # indentwidth based on file content (if possible), and if
    # indentwidth != tabwidth set usetabs false.
    # In any case, adjust the Text widget's view of what a tab
    # character means.

def set_indentation_params(self, ispythonsource, guess=True):
        if guess and ispythonsource:
            i = self.guess_indent()
            if 2 <= i <= 8:
                self.indentwidth = i
            if self.indentwidth != self.tabwidth:
                self.usetabs = False
        self.set_tabwidth(self.tabwidth)

def smart_backspace_event(self, event):
        text = self.text
        first, last = self.get_selection_indices()
        if first and last:
            text.delete(first, last)
            text.mark_set("insert", first)
            return "break"
        # Delete whitespace left, until hitting a real char or closest
        # preceding virtual tab stop.
        chars = text.get("insert linestart", "insert")
        if chars == '':
            if text.compare("insert", ">", "1.0"):
                # easy: delete preceding newline
                text.delete("insert-1c")
            else:
                text.bell()     # at start of buffer
            return "break"
        if  chars[-1] not in " \t":
            # easy: delete preceding real char
            text.delete("insert-1c")
            return "break"
        # Ick.  It may require *inserting* spaces if we back up over a
        # tab character!  This is written to be clear, not fast.
        tabwidth = self.tabwidth
        have = len(chars.expandtabs(tabwidth))
        assert have > 0
        want = ((have - 1) // self.indentwidth) * self.indentwidth
        # Debug prompt is multilined....
        last_line_of_prompt = sys.ps1.split('\n')[-1]
        ncharsdeleted = 0
        while 1:
            if chars == last_line_of_prompt:
                break
            chars = chars[:-1]
            ncharsdeleted = ncharsdeleted + 1
            have = len(chars.expandtabs(tabwidth))
            if have <= want or chars[-1] not in " \t":
                break
        text.undo_block_start()
        text.delete("insert-%dc" % ncharsdeleted, "insert")
        if have < want:
            text.insert("insert", ' ' * (want - have))
        text.undo_block_stop()
        return "break"

def smart_indent_event(self, event):
        # if intraline selection:
        #     delete it
        # elif multiline selection:
        #     do indent-region
        # else:
        #     indent one level
        text = self.text
        first, last = self.get_selection_indices()
        text.undo_block_start()
        try:
            if first and last:
                if index2line(first) != index2line(last):
                    return self.indent_region_event(event)
                text.delete(first, last)
                text.mark_set("insert", first)
            prefix = text.get("insert linestart", "insert")
            raw, effective = classifyws(prefix, self.tabwidth)
            if raw == len(prefix):
                # only whitespace to the left
                self.reindent_to(effective + self.indentwidth)
            else:
                # tab to the next 'stop' within or to right of line's text:
                if self.usetabs:
                    pad = '\t'
                else:
                    effective = len(prefix.expandtabs(self.tabwidth))
                    n = self.indentwidth
                    pad = ' ' * (n - effective % n)
                text.insert("insert", pad)
            text.see("insert")
            return "break"
        finally:
            text.undo_block_stop()

def newline_and_indent_event(self, event):
        text = self.text
        first, last = self.get_selection_indices()
        text.undo_block_start()
        try:
            if first and last:
                text.delete(first, last)
                text.mark_set("insert", first)
            line = text.get("insert linestart", "insert")
            i, n = 0, len(line)
            while i < n and line[i] in " \t":
                i = i+1
            if i == n:
                # the cursor is in or at leading indentation in a continuation
                # line; just inject an empty line at the start
                text.insert("insert linestart", '\n')
                return "break"
            indent = line[:i]
            # strip whitespace before insert point unless it's in the prompt
            i = 0
            last_line_of_prompt = sys.ps1.split('\n')[-1]
            while line and line[-1] in " \t" and line != last_line_of_prompt:
                line = line[:-1]
                i = i+1
            if i:
                text.delete("insert - %d chars" % i, "insert")
            # strip whitespace after insert point
            while text.get("insert") in " \t":
                text.delete("insert")
            # start new line
            text.insert("insert", '\n')

# adjust indentation for continuations and block
            # open/close first need to find the last stmt
            lno = index2line(text.index('insert'))
            y = PyParse.Parser(self.indentwidth, self.tabwidth)
            if not self.context_use_ps1:
                for context in self.num_context_lines:
                    startat = max(lno - context, 1)
                    startatindex = repr(startat) + ".0"
                    rawtext = text.get(startatindex, "insert")
                    y.set_str(rawtext)
                    bod = y.find_good_parse_start(
                              self.context_use_ps1,
                              self._build_char_in_string_func(startatindex))
                    if bod is not None or startat == 1:
                        break
                y.set_lo(bod or 0)
            else:
                r = text.tag_prevrange("console", "insert")
                if r:
                    startatindex = r[1]
                else:
                    startatindex = "1.0"
                rawtext = text.get(startatindex, "insert")
                y.set_str(rawtext)
                y.set_lo(0)

c = y.get_continuation_type()
            if c != PyParse.C_NONE:
                # The current stmt hasn't ended yet.
                if c == PyParse.C_STRING_FIRST_LINE:
                    # after the first line of a string; do not indent at all
                    pass
                elif c == PyParse.C_STRING_NEXT_LINES:
                    # inside a string which started before this line;
                    # just mimic the current indent
                    text.insert("insert", indent)
                elif c == PyParse.C_BRACKET:
                    # line up with the first (if any) element of the
                    # last open bracket structure; else indent one
                    # level beyond the indent of the line with the
                    # last open bracket
                    self.reindent_to(y.compute_bracket_indent())
                elif c == PyParse.C_BACKSLASH:
                    # if more than one line in this stmt already, just
                    # mimic the current indent; else if initial line
                    # has a start on an assignment stmt, indent to
                    # beyond leftmost =; else to beyond first chunk of
                    # non-whitespace on initial line
                    if y.get_num_lines_in_stmt() > 1:
                        text.insert("insert", indent)
                    else:
                        self.reindent_to(y.compute_backslash_indent())
                else:
                    assert 0, "bogus continuation type %r" % (c,)
                return "break"

# This line starts a brand new stmt; indent relative to
            # indentation of initial line of closest preceding
            # interesting stmt.
            indent = y.get_base_indent_string()
            text.insert("insert", indent)
            if y.is_block_opener():
                self.smart_indent_event(event)
            elif indent and y.is_block_closer():
                self.smart_backspace_event(event)
            return "break"
        finally:
            text.see("insert")
            text.undo_block_stop()

# Our editwin provides a is_char_in_string function that works
    # with a Tk text index, but PyParse only knows about offsets into
    # a string. This builds a function for PyParse that accepts an
    # offset.

def _build_char_in_string_func(self, startindex):
        def inner(offset, _startindex=startindex,
                  _icis=self.is_char_in_string):
            return _icis(_startindex + "+%dc" % offset)
        return inner

def indent_region_event(self, event):
        head, tail, chars, lines = self.get_region()
        for pos in range(len(lines)):
            line = lines[pos]
            if line:
                raw, effective = classifyws(line, self.tabwidth)
                effective = effective + self.indentwidth
                lines[pos] = self._make_blanks(effective) + line[raw:]
        self.set_region(head, tail, chars, lines)
        return "break"

def dedent_region_event(self, event):
        head, tail, chars, lines = self.get_region()
        for pos in range(len(lines)):
            line = lines[pos]
            if line:
                raw, effective = classifyws(line, self.tabwidth)
                effective = max(effective - self.indentwidth, 0)
                lines[pos] = self._make_blanks(effective) + line[raw:]
        self.set_region(head, tail, chars, lines)
        return "break"

def comment_region_event(self, event):
        head, tail, chars, lines = self.get_region()
        for pos in range(len(lines) - 1):
            line = lines[pos]
            lines[pos] = '##' + line
        self.set_region(head, tail, chars, lines)

def uncomment_region_event(self, event):
        head, tail, chars, lines = self.get_region()
        for pos in range(len(lines)):
            line = lines[pos]
            if not line:
                continue
            if line[:2] == '##':
                line = line[2:]
            elif line[:1] == '#':
                line = line[1:]
            lines[pos] = line
        self.set_region(head, tail, chars, lines)

def tabify_region_event(self, event):
        head, tail, chars, lines = self.get_region()
        tabwidth = self._asktabwidth()
        for pos in range(len(lines)):
            line = lines[pos]
            if line:
                raw, effective = classifyws(line, tabwidth)
                ntabs, nspaces = divmod(effective, tabwidth)
                lines[pos] = '\t' * ntabs + ' ' * nspaces + line[raw:]
        self.set_region(head, tail, chars, lines)

def untabify_region_event(self, event):
        head, tail, chars, lines = self.get_region()
        tabwidth = self._asktabwidth()
        for pos in range(len(lines)):
            lines[pos] = lines[pos].expandtabs(tabwidth)
        self.set_region(head, tail, chars, lines)

def toggle_tabs_event(self, event):
        if self.askyesno(
              "Toggle tabs",
              "Turn tabs " + ("on", "off")[self.usetabs] +
              "?\nIndent width " +
              ("will be", "remains at")[self.usetabs] + " 8." +
              "\n Note: a tab is always 8 columns",
              parent=self.text):
            self.usetabs = not self.usetabs
            # Try to prevent inconsistent indentation.
            # User must change indent width manually after using tabs.
            self.indentwidth = 8
        return "break"

# XXX this isn't bound to anything -- see tabwidth comments
##     def change_tabwidth_event(self, event):
##         new = self._asktabwidth()
##         if new != self.tabwidth:
##             self.tabwidth = new
##             self.set_indentation_params(0, guess=0)
##         return "break"

def change_indentwidth_event(self, event):
        new = self.askinteger(
                  "Indent width",
                  "New indent width (2-16)\n(Always use 8 when using tabs)",
                  parent=self.text,
                  initialvalue=self.indentwidth,
                  minvalue=2,
                  maxvalue=16)
        if new and new != self.indentwidth and not self.usetabs:
            self.indentwidth = new
        return "break"

def get_region(self):
        text = self.text
        first, last = self.get_selection_indices()
        if first and last:
            head = text.index(first + " linestart")
            tail = text.index(last + "-1c lineend +1c")
        else:
            head = text.index("insert linestart")
            tail = text.index("insert lineend +1c")
        chars = text.get(head, tail)
        lines = chars.split("\n")
        return head, tail, chars, lines

def set_region(self, head, tail, chars, lines):
        text = self.text
        newchars = "\n".join(lines)
        if newchars == chars:
            text.bell()
            return
        text.tag_remove("sel", "1.0", "end")
        text.mark_set("insert", head)
        text.undo_block_start()
        text.delete(head, tail)
        text.insert(head, newchars)
        text.undo_block_stop()
        text.tag_add("sel", head, "insert")

# Make string that displays as n leading blanks.

def _make_blanks(self, n):
        if self.usetabs:
            ntabs, nspaces = divmod(n, self.tabwidth)
            return '\t' * ntabs + ' ' * nspaces
        else:
            return ' ' * n

# Delete from beginning of line to insert point, then reinsert
    # column logical (meaning use tabs if appropriate) spaces.

def reindent_to(self, column):
        text = self.text
        text.undo_block_start()
        if text.compare("insert linestart", "!=", "insert"):
            text.delete("insert linestart", "insert")
        if column:
            text.insert("insert", self._make_blanks(column))
        text.undo_block_stop()

def _asktabwidth(self):
        return self.askinteger(
            "Tab width",
            "Columns per tab? (2-16)",
            parent=self.text,
            initialvalue=self.indentwidth,
            minvalue=2,
            maxvalue=16) or self.tabwidth

# Guess indentwidth from text content.
    # Return guessed indentwidth.  This should not be believed unless
    # it's in a reasonable range (e.g., it will be 0 if no indented
    # blocks are found).

def guess_indent(self):
        opener, indented = IndentSearcher(self.text, self.tabwidth).run()
        if opener and indented:
            raw, indentsmall = classifyws(opener, self.tabwidth)
            raw, indentlarge = classifyws(indented, self.tabwidth)
        else:
            indentsmall = indentlarge = 0
        return indentlarge - indentsmall

# "line.col" -> line, as an int
def index2line(index):
    return int(float(index))

# Look at the leading whitespace in s.
# Return pair (# of leading ws characters,
#              effective # of leading blanks after expanding
#              tabs to width tabwidth)

def classifyws(s, tabwidth):
    raw = effective = 0
    for ch in s:
        if ch == ' ':
            raw = raw + 1
            effective = effective + 1
        elif ch == '\t':
            raw = raw + 1
            effective = (effective // tabwidth + 1) * tabwidth
        else:
            break
    return raw, effective

import tokenize
_tokenize = tokenize
del tokenize

class IndentSearcher(object):

# .run() chews over the Text widget, looking for a block opener
    # and the stmt following it.  Returns a pair,
    #     (line containing block opener, line containing stmt)
    # Either or both may be None.

def __init__(self, text, tabwidth):
        self.text = text
        self.tabwidth = tabwidth
        self.i = self.finished = 0
        self.blkopenline = self.indentedline = None

def readline(self):
        if self.finished:
            return ""
        i = self.i = self.i + 1
        mark = repr(i) + ".0"
        if self.text.compare(mark, ">=", "end"):
            return ""
        return self.text.get(mark, mark + " lineend+1c")

def tokeneater(self, type, token, start, end, line,
                   INDENT=_tokenize.INDENT,
                   NAME=_tokenize.NAME,
                   OPENERS=('class', 'def', 'for', 'if', 'try', 'while')):
        if self.finished:
            pass
        elif type == NAME and token in OPENERS:
            self.blkopenline = line
        elif type == INDENT and self.blkopenline:
            self.indentedline = line
            self.finished = 1

def run(self):
        save_tabsize = _tokenize.tabsize
        _tokenize.tabsize = self.tabwidth
        try:
            try:
                _tokenize.tokenize(self.readline, self.tokeneater)
            except _tokenize.TokenError:
                # since we cut off the tokenizer early, we can trigger
                # spurious errors
                pass
        finally:
            _tokenize.tabsize = save_tabsize
        return self.blkopenline, self.indentedline

### end autoindent code ###

def prepstr(s):
    # Helper to extract the underscore from a string, e.g.
    # prepstr("Co_py") returns (2, "Copy").
    i = s.find('_')
    if i >= 0:
        s = s[:i] + s[i+1:]
    return i, s

keynames = {
 'bracketleft': '[',
 'bracketright': ']',
 'slash': '/',
}

def get_accelerator(keydefs, eventname):
    keylist = keydefs.get(eventname)
    if not keylist:
        return ""
    s = keylist[0]
    s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s)
    s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s)
    s = re.sub("Key-", "", s)
    s = re.sub("Cancel","Ctrl-Break",s)   # dscherer@cmu.edu
    s = re.sub("Control-", "Ctrl-", s)
    s = re.sub("-", "+", s)
    s = re.sub("><", " ", s)
    s = re.sub("<", "", s)
    s = re.sub(">", "", s)
    return s

def fixwordbreaks(root):
    # Make sure that Tk's double-click and next/previous word
    # operations use our definition of a word (i.e. an identifier)
    tk = root.tk
    tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded
    tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')
    tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')

def test():
    root = Tk()
    fixwordbreaks(root)
    root.withdraw()
    if sys.argv[1:]:
        filename = sys.argv[1]
    else:
        filename = None
    edit = EditorWindow(root=root, filename=filename)
    edit.set_close_hook(root.quit)
    edit.text.bind("<<close-all-windows>>", edit.close_event)
    root.mainloop()
    root.destroy()

if __name__ == '__main__':
    test()

cmd: