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				https://github.com/python/cpython.git
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	M ClassBrowser.py M ColorDelegator.py M EditorWindow.py M NEWS.txt M PyShell.py M TreeWidget.py M config-highlight.def M configDialog.py M configHandler.py
		
			
				
	
	
		
			1426 lines
		
	
	
	
		
			51 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			1426 lines
		
	
	
	
		
			51 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import sys
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import os
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import re
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import imp
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from Tkinter import *
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import tkSimpleDialog
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import tkMessageBox
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import webbrowser
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import idlever
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import WindowList
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import SearchDialog
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import GrepDialog
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import ReplaceDialog
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import PyParse
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from configHandler import idleConf
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import aboutDialog, textView, configDialog
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# The default tab setting for a Text widget, in average-width characters.
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TK_TABWIDTH_DEFAULT = 8
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def _find_module(fullname, path=None):
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    """Version of imp.find_module() that handles hierarchical module names"""
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    file = None
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    for tgt in fullname.split('.'):
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        if file is not None:
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            file.close()            # close intermediate files
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        (file, filename, descr) = imp.find_module(tgt, path)
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        if descr[2] == imp.PY_SOURCE:
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            break                   # find but not load the source file
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        module = imp.load_module(tgt, file, filename, descr)
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        try:
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            path = module.__path__
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        except AttributeError:
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            raise ImportError, 'No source for module ' + module.__name__
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    return file, filename, descr
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class EditorWindow:
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    from Percolator import Percolator
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    from ColorDelegator import ColorDelegator
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    from UndoDelegator import UndoDelegator
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    from IOBinding import IOBinding
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    import Bindings
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    from Tkinter import Toplevel
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    from MultiStatusBar import MultiStatusBar
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    vars = {}
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    help_url = None
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    def __init__(self, flist=None, filename=None, key=None, root=None):
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        if EditorWindow.help_url is None:
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            dochome =  os.path.join(sys.prefix, 'Doc', 'index.html')
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            if sys.platform.count('linux'):
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                # look for html docs in a couple of standard places
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                pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
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                if os.path.isdir('/var/www/html/python/'):  # "python2" rpm
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                    dochome = '/var/www/html/python/index.html'
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                else:
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                    basepath = '/usr/share/doc/'  # standard location
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                    dochome = os.path.join(basepath, pyver,
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                                           'Doc', 'index.html')
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            elif sys.platform.count('win') or sys.platform.count('nt'):
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                chmfile = os.path.join(sys.prefix, "Python%d%d.chm" % sys.version_info[:2])
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                if os.path.isfile(chmfile):
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                    dochome = chmfile
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                    print "dochome =", dochome
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            dochome = os.path.normpath(dochome)
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            if os.path.isfile(dochome):
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                EditorWindow.help_url = dochome
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            else:
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                EditorWindow.help_url = "http://www.python.org/doc/current"
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        currentTheme=idleConf.CurrentTheme()
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        self.flist = flist
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        root = root or flist.root
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        self.root = root
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        self.menubar = Menu(root)
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        self.top = top = self.Toplevel(root, menu=self.menubar)
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        if flist:
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            self.vars = flist.vars
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            #self.top.instanceDict makes flist.inversedict avalable to
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            #configDialog.py so it can access all EditorWindow instaces
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            self.top.instanceDict=flist.inversedict
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        self.recentFilesPath=os.path.join(idleConf.GetUserCfgDir(),
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                'recent-files.lst')
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        self.vbar = vbar = Scrollbar(top, name='vbar')
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        self.text_frame = text_frame = Frame(top)
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        self.width = idleConf.GetOption('main','EditorWindow','width')
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        self.text = text = Text(text_frame, name='text', padx=5, wrap='none',
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                foreground=idleConf.GetHighlight(currentTheme,
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                        'normal',fgBg='fg'),
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                background=idleConf.GetHighlight(currentTheme,
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                        'normal',fgBg='bg'),
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                highlightcolor=idleConf.GetHighlight(currentTheme,
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                        'hilite',fgBg='fg'),
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                highlightbackground=idleConf.GetHighlight(currentTheme,
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                        'hilite',fgBg='bg'),
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                insertbackground=idleConf.GetHighlight(currentTheme,
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                        'cursor',fgBg='fg'),
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                width=self.width,
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                height=idleConf.GetOption('main','EditorWindow','height') )
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        self.createmenubar()
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        self.apply_bindings()
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        self.top.protocol("WM_DELETE_WINDOW", self.close)
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        self.top.bind("<<close-window>>", self.close_event)
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        text.bind("<<cut>>", self.cut)
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        text.bind("<<copy>>", self.copy)
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        text.bind("<<paste>>", self.paste)
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        text.bind("<<center-insert>>", self.center_insert_event)
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        text.bind("<<help>>", self.help_dialog)
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        text.bind("<<python-docs>>", self.python_docs)
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        text.bind("<<about-idle>>", self.about_dialog)
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        text.bind("<<open-config-dialog>>", self.config_dialog)
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        text.bind("<<open-module>>", self.open_module)
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        text.bind("<<do-nothing>>", lambda event: "break")
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        text.bind("<<select-all>>", self.select_all)
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        text.bind("<<remove-selection>>", self.remove_selection)
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        text.bind("<<find>>", self.find_event)
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        text.bind("<<find-again>>", self.find_again_event)
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        text.bind("<<find-in-files>>", self.find_in_files_event)
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        text.bind("<<find-selection>>", self.find_selection_event)
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        text.bind("<<replace>>", self.replace_event)
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        text.bind("<<goto-line>>", self.goto_line_event)
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        text.bind("<3>", self.right_menu_event)
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        text.bind("<<smart-backspace>>",self.smart_backspace_event)
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        text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
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        text.bind("<<smart-indent>>",self.smart_indent_event)
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        text.bind("<<indent-region>>",self.indent_region_event)
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        text.bind("<<dedent-region>>",self.dedent_region_event)
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        text.bind("<<comment-region>>",self.comment_region_event)
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        text.bind("<<uncomment-region>>",self.uncomment_region_event)
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        text.bind("<<tabify-region>>",self.tabify_region_event)
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        text.bind("<<untabify-region>>",self.untabify_region_event)
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        text.bind("<<toggle-tabs>>",self.toggle_tabs_event)
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        text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
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        text.bind("<Left>", self.move_at_edge_if_selection(0))
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        text.bind("<Right>", self.move_at_edge_if_selection(1))
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        if flist:
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            flist.inversedict[self] = key
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            if key:
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                flist.dict[key] = self
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            text.bind("<<open-new-window>>", self.new_callback)
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            text.bind("<<close-all-windows>>", self.flist.close_all_callback)
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            text.bind("<<open-class-browser>>", self.open_class_browser)
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            text.bind("<<open-path-browser>>", self.open_path_browser)
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        self.set_status_bar()
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        vbar['command'] = text.yview
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        vbar.pack(side=RIGHT, fill=Y)
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        text['yscrollcommand'] = vbar.set
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        fontWeight='normal'
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        if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
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            fontWeight='bold'
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        text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
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                idleConf.GetOption('main','EditorWindow','font-size'),
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                fontWeight))
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        text_frame.pack(side=LEFT, fill=BOTH, expand=1)
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        text.pack(side=TOP, fill=BOTH, expand=1)
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        text.focus_set()
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        self.per = per = self.Percolator(text)
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        if self.ispythonsource(filename):
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            self.color = color = self.ColorDelegator()
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            per.insertfilter(color)
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        else:
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            self.color = None
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        self.undo = undo = self.UndoDelegator()
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        per.insertfilter(undo)
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        text.undo_block_start = undo.undo_block_start
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        text.undo_block_stop = undo.undo_block_stop
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        undo.set_saved_change_hook(self.saved_change_hook)
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        # IOBinding implements file I/O and printing functionality
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        self.io = io = self.IOBinding(self)
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        io.set_filename_change_hook(self.filename_change_hook)
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        #create the Recent Files submenu
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        self.menuRecentFiles=Menu(self.menubar)
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        self.menudict['file'].insert_cascade(3,label='Recent Files',
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                underline=0,menu=self.menuRecentFiles)
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        self.UpdateRecentFilesList()
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        if filename:
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            if os.path.exists(filename) and not os.path.isdir(filename):
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                io.loadfile(filename)
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            else:
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                io.set_filename(filename)
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        self.saved_change_hook()
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        self.load_extensions()
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        menu = self.menudict.get('windows')
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        if menu:
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            end = menu.index("end")
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            if end is None:
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                end = -1
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            if end >= 0:
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                menu.add_separator()
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                end = end + 1
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            self.wmenu_end = end
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            WindowList.register_callback(self.postwindowsmenu)
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        # Some abstractions so IDLE extensions are cross-IDE
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        self.askyesno = tkMessageBox.askyesno
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        self.askinteger = tkSimpleDialog.askinteger
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        self.showerror = tkMessageBox.showerror
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 | 
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        if self.extensions.has_key('AutoIndent'):
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            self.extensions['AutoIndent'].set_indentation_params(
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                self.ispythonsource(filename))
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    def new_callback(self, event):
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        dirname, basename = self.io.defaultfilename()
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        self.flist.new(dirname)
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        return "break"
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    def set_status_bar(self):
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        self.status_bar = self.MultiStatusBar(self.top)
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        self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
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        self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
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        self.status_bar.pack(side=BOTTOM, fill=X)
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        self.text.bind('<KeyRelease>', self.set_line_and_column)
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        self.text.bind('<ButtonRelease>', self.set_line_and_column)
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        self.text.after_idle(self.set_line_and_column)
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    def set_line_and_column(self, event=None):
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        line, column = self.text.index(INSERT).split('.')
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        self.status_bar.set_label('column', 'Col: %s' % column)
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        self.status_bar.set_label('line', 'Ln: %s' % line)
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 | 
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    def wakeup(self):
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        if self.top.wm_state() == "iconic":
 | 
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            self.top.wm_deiconify()
 | 
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        else:
 | 
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            self.top.tkraise()
 | 
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        self.text.focus_set()
 | 
						|
 | 
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    menu_specs = [
 | 
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        ("file", "_File"),
 | 
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        ("edit", "_Edit"),
 | 
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        ("format", "F_ormat"),
 | 
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        ("run", "_Run"),
 | 
						|
        ("options", "_Options"),
 | 
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        ("windows", "_Windows"),
 | 
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        ("help", "_Help"),
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    ]
 | 
						|
 | 
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    def createmenubar(self):
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        mbar = self.menubar
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        self.menudict = menudict = {}
 | 
						|
        for name, label in self.menu_specs:
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            underline, label = prepstr(label)
 | 
						|
            menudict[name] = menu = Menu(mbar, name=name)
 | 
						|
            mbar.add_cascade(label=label, menu=menu, underline=underline)
 | 
						|
        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.TextViewer(self.top,'Help',fn)
 | 
						|
 | 
						|
    def python_docs(self, event=None):
 | 
						|
        if sys.platform.count('win') or sys.platform.count('nt'):
 | 
						|
            os.startfile(self.help_url)
 | 
						|
            return "break"
 | 
						|
        else:
 | 
						|
            webbrowser.open(self.help_url)
 | 
						|
            return "break"
 | 
						|
 | 
						|
    def display_docs(self, url):
 | 
						|
        if not (url.startswith('www') or url.startswith('http')):
 | 
						|
            url = os.path.normpath(url)
 | 
						|
        if sys.platform.count('win') or sys.platform.count('nt'):
 | 
						|
            os.startfile(url)
 | 
						|
        else:
 | 
						|
            webbrowser.open(url)
 | 
						|
 | 
						|
    def cut(self,event):
 | 
						|
        self.text.event_generate("<<Cut>>")
 | 
						|
        return "break"
 | 
						|
 | 
						|
    def copy(self,event):
 | 
						|
        self.text.event_generate("<<Copy>>")
 | 
						|
        return "break"
 | 
						|
 | 
						|
    def paste(self,event):
 | 
						|
        self.text.event_generate("<<Paste>>")
 | 
						|
        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 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)
 | 
						|
        import ClassBrowser
 | 
						|
        ClassBrowser.ClassBrowser(self.flist, base, [head])
 | 
						|
 | 
						|
    def open_path_browser(self, event=None):
 | 
						|
        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:
 | 
						|
            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.close_edit(self)
 | 
						|
 | 
						|
    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)
 | 
						|
        if self.ispythonsource(self.io.filename):
 | 
						|
            self.addcolorizer()
 | 
						|
        else:
 | 
						|
            self.rmcolorizer()
 | 
						|
 | 
						|
    def addcolorizer(self):
 | 
						|
        if self.color:
 | 
						|
            return
 | 
						|
        self.per.removefilter(self.undo)
 | 
						|
        self.color = self.ColorDelegator()
 | 
						|
        self.per.insertfilter(self.color)
 | 
						|
        self.per.insertfilter(self.undo)
 | 
						|
 | 
						|
    def rmcolorizer(self):
 | 
						|
        if not self.color:
 | 
						|
            return
 | 
						|
        self.per.removefilter(self.undo)
 | 
						|
        self.per.removefilter(self.color)
 | 
						|
        self.color = None
 | 
						|
        self.per.insertfilter(self.undo)
 | 
						|
 | 
						|
    def ResetColorizer(self):
 | 
						|
        "Update the colour theme if it is changed"
 | 
						|
        # Called from configDialog.py
 | 
						|
        if self.color:
 | 
						|
            self.color = self.ColorDelegator()
 | 
						|
            self.per.insertfilter(self.color)
 | 
						|
        theme = idleConf.GetOption('main','Theme','name')
 | 
						|
        self.text.config(idleConf.GetHighlight(theme, "normal"))
 | 
						|
 | 
						|
    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 ResetKeybindings(self):
 | 
						|
        "Update the keybindings if they are changed"
 | 
						|
        # Called from configDialog.py
 | 
						|
        self.Bindings.default_keydefs=idleConf.GetCurrentKeySet()
 | 
						|
        keydefs = self.Bindings.default_keydefs
 | 
						|
        for event, keylist in keydefs.items():
 | 
						|
            self.text.event_delete(event)
 | 
						|
        self.apply_bindings()
 | 
						|
        #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:
 | 
						|
                            #print 'accel was:',accel
 | 
						|
                            accel=get_accelerator(keydefs, event)
 | 
						|
                            menu.entryconfig(index,accelerator=accel)
 | 
						|
                            #print 'accel now:',accel,'\n'
 | 
						|
 | 
						|
    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):
 | 
						|
            self.display_docs(helpfile)
 | 
						|
        return display_extra_help
 | 
						|
 | 
						|
    def UpdateRecentFilesList(self,newFile=None):
 | 
						|
        "Load or update the recent files list, and menu if required"
 | 
						|
        rfList=[]
 | 
						|
        if os.path.exists(self.recentFilesPath):
 | 
						|
            RFfile=open(self.recentFilesPath,'r')
 | 
						|
            try:
 | 
						|
                rfList=RFfile.readlines()
 | 
						|
            finally:
 | 
						|
                RFfile.close()
 | 
						|
        if newFile:
 | 
						|
            newFile=os.path.abspath(newFile)+'\n'
 | 
						|
            if newFile in rfList:
 | 
						|
                rfList.remove(newFile)
 | 
						|
            rfList.insert(0,newFile)
 | 
						|
        rfList=self.__CleanRecentFiles(rfList)
 | 
						|
        #print self.flist.inversedict
 | 
						|
        #print self.top.instanceDict
 | 
						|
        #print self
 | 
						|
        ullist = "1234567890ABCDEFGHIJ"
 | 
						|
        if rfList:
 | 
						|
            for instance in self.top.instanceDict.keys():
 | 
						|
                menu = instance.menuRecentFiles
 | 
						|
                menu.delete(1,END)
 | 
						|
                i = 0 ; ul = 0; ullen = len(ullist)
 | 
						|
                for file in rfList:
 | 
						|
                    fileName=file[0:-1]
 | 
						|
                    callback = instance.__RecentFileCallback(fileName)
 | 
						|
                    if i > ullen: # don't underline menuitems
 | 
						|
                        ul=None
 | 
						|
                    menu.add_command(label=ullist[i] + " " + fileName,
 | 
						|
                                     command=callback,
 | 
						|
                                     underline=ul)
 | 
						|
                    i += 1
 | 
						|
 | 
						|
    def __CleanRecentFiles(self,rfList):
 | 
						|
        origRfList=rfList[:]
 | 
						|
        count=0
 | 
						|
        nonFiles=[]
 | 
						|
        for path in rfList:
 | 
						|
            if not os.path.exists(path[0:-1]):
 | 
						|
                nonFiles.append(count)
 | 
						|
            count=count+1
 | 
						|
        if nonFiles:
 | 
						|
            nonFiles.reverse()
 | 
						|
            for index in nonFiles:
 | 
						|
                del(rfList[index])
 | 
						|
        if len(rfList)>19:
 | 
						|
            rfList=rfList[0:19]
 | 
						|
        #if rfList != origRfList:
 | 
						|
        RFfile=open(self.recentFilesPath,'w')
 | 
						|
        try:
 | 
						|
            RFfile.writelines(rfList)
 | 
						|
        finally:
 | 
						|
            RFfile.close()
 | 
						|
        return rfList
 | 
						|
 | 
						|
    def __RecentFileCallback(self,fileName):
 | 
						|
        def OpenRecentFile(fileName=fileName):
 | 
						|
            self.io.open(editFile=fileName)
 | 
						|
        return OpenRecentFile
 | 
						|
 | 
						|
    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 filename
 | 
						|
 | 
						|
    def long_title(self):
 | 
						|
        return 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 reply != "cancel":
 | 
						|
            self._close()
 | 
						|
        return reply
 | 
						|
 | 
						|
    def _close(self):
 | 
						|
        #print self.io.filename
 | 
						|
        if self.io.filename:
 | 
						|
            self.UpdateRecentFilesList(newFile=self.io.filename)
 | 
						|
        WindowList.unregister_callback(self.postwindowsmenu)
 | 
						|
        if self.close_hook:
 | 
						|
            self.close_hook()
 | 
						|
        self.flist = None
 | 
						|
        colorizing = 0
 | 
						|
        self.unload_extensions()
 | 
						|
        self.io.close(); self.io = None
 | 
						|
        self.undo = None # XXX
 | 
						|
        if self.color:
 | 
						|
            colorizing = self.color.colorizing
 | 
						|
            doh = colorizing and self.top
 | 
						|
            self.color.close(doh) # Cancel colorization
 | 
						|
        self.text = None
 | 
						|
        self.vars = None
 | 
						|
        self.per.close(); self.per = None
 | 
						|
        if not colorizing:
 | 
						|
            self.top.destroy()
 | 
						|
 | 
						|
    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()
 | 
						|
 | 
						|
    def load_extension(self, name):
 | 
						|
        mod = __import__(name, globals(), locals(), [])
 | 
						|
        cls = getattr(mod, name)
 | 
						|
        ins = cls(self)
 | 
						|
        self.extensions[name] = ins
 | 
						|
        keydefs=idleConf.GetExtensionBindings(name)
 | 
						|
        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))
 | 
						|
        if hasattr(ins, "menudefs"):
 | 
						|
            self.fill_menus(ins.menudefs, keydefs)
 | 
						|
        return ins
 | 
						|
 | 
						|
    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, defs=None, keydefs=None):
 | 
						|
        """Add appropriate entries to the menus and submenus
 | 
						|
 | 
						|
        Menus that are absent or None in self.menudict are ignored.
 | 
						|
        """
 | 
						|
        if defs is None:
 | 
						|
            defs = self.Bindings.menudefs
 | 
						|
        if keydefs is None:
 | 
						|
            keydefs = self.Bindings.default_keydefs
 | 
						|
        menudict = self.menudict
 | 
						|
        text = self.text
 | 
						|
        for mname, itemlist in defs:
 | 
						|
            menu = menudict.get(mname)
 | 
						|
            if not menu:
 | 
						|
                continue
 | 
						|
            for item in itemlist:
 | 
						|
                if not item:
 | 
						|
                    menu.add_separator()
 | 
						|
                else:
 | 
						|
                    label, event = item
 | 
						|
                    checkbutton = (label[:1] == '!')
 | 
						|
                    if checkbutton:
 | 
						|
                        label = label[1:]
 | 
						|
                    underline, label = prepstr(label)
 | 
						|
                    accelerator = get_accelerator(keydefs, event)
 | 
						|
                    def command(text=text, event=event):
 | 
						|
                        text.event_generate(event)
 | 
						|
                    if checkbutton:
 | 
						|
                        var = self.getrawvar(event, 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.getrawvar(name)
 | 
						|
        if var:
 | 
						|
            return var.get()
 | 
						|
 | 
						|
    def setvar(self, name, value, vartype=None):
 | 
						|
        var = self.getrawvar(name, vartype)
 | 
						|
        if var:
 | 
						|
            var.set(value)
 | 
						|
 | 
						|
    def getrawvar(self, name, vartype=None):
 | 
						|
        var = self.vars.get(name)
 | 
						|
        if not var and vartype:
 | 
						|
            self.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)
 | 
						|
 | 
						|
### begin autoindent code ###
 | 
						|
 | 
						|
    # usetabs true  -> literal tab characters are used by indent and
 | 
						|
    #                  dedent cmds, possibly mixed with spaces if
 | 
						|
    #                  indentwidth is not a multiple of tabwidth
 | 
						|
    #         false -> tab characters are converted to spaces by indent
 | 
						|
    #                  and dedent cmds, and ditto TAB keystrokes
 | 
						|
    # indentwidth is the number of characters per logical indent level.
 | 
						|
    # 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.
 | 
						|
    usetabs = 0
 | 
						|
    indentwidth = 4
 | 
						|
    tabwidth = 8    # for IDLE use, must remain 8 until Tk is fixed
 | 
						|
 | 
						|
    # If context_use_ps1 is true, parsing searches back for a ps1 line;
 | 
						|
    # else searches for a popular (if, def, ...) Python stmt.
 | 
						|
    context_use_ps1 = 0
 | 
						|
 | 
						|
    # 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.
 | 
						|
    num_context_lines = 50, 500, 5000000
 | 
						|
 | 
						|
    def config(self, **options):
 | 
						|
        for key, value in options.items():
 | 
						|
            if key == 'usetabs':
 | 
						|
                self.usetabs = value
 | 
						|
            elif key == 'indentwidth':
 | 
						|
                self.indentwidth = value
 | 
						|
            elif key == 'tabwidth':
 | 
						|
                self.tabwidth = value
 | 
						|
            elif key == 'context_use_ps1':
 | 
						|
                self.context_use_ps1 = value
 | 
						|
            else:
 | 
						|
                raise KeyError, "bad option name: %r" % (key,)
 | 
						|
 | 
						|
    # 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=1):
 | 
						|
        if guess and ispythonsource:
 | 
						|
            i = self.guess_indent()
 | 
						|
            if 2 <= i <= 8:
 | 
						|
                self.indentwidth = i
 | 
						|
            if self.indentwidth != self.tabwidth:
 | 
						|
                self.usetabs = 0
 | 
						|
 | 
						|
        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 & return
 | 
						|
        # 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:
 | 
						|
                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)
 | 
						|
            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)
 | 
						|
            c = y.get_continuation_type()
 | 
						|
            if c != PyParse.C_NONE:
 | 
						|
                # The current stmt hasn't ended yet.
 | 
						|
                if c == PyParse.C_STRING:
 | 
						|
                    # inside a string; 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] + "?",
 | 
						|
              parent=self.text):
 | 
						|
            self.usetabs = not self.usetabs
 | 
						|
        return "break"
 | 
						|
 | 
						|
    # XXX this isn't bound to anything -- see class 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)",
 | 
						|
                  parent=self.text,
 | 
						|
                  initialvalue=self.indentwidth,
 | 
						|
                  minvalue=2,
 | 
						|
                  maxvalue=16)
 | 
						|
        if new and new != self.indentwidth:
 | 
						|
            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",
 | 
						|
            "Spaces 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:
 | 
						|
 | 
						|
    # .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, event):
 | 
						|
    keylist = keydefs.get(event)
 | 
						|
    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)
 | 
						|
    root.mainloop()
 | 
						|
    root.destroy()
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
    test()
 |