jpayne@69: import codecs
jpayne@69: from codecs import BOM_UTF8
jpayne@69: import os
jpayne@69: import re
jpayne@69: import shlex
jpayne@69: import sys
jpayne@69: import tempfile
jpayne@69: 
jpayne@69: import tkinter.filedialog as tkFileDialog
jpayne@69: import tkinter.messagebox as tkMessageBox
jpayne@69: from tkinter.simpledialog import askstring
jpayne@69: 
jpayne@69: import idlelib
jpayne@69: from idlelib.config import idleConf
jpayne@69: 
jpayne@69: if idlelib.testing:  # Set True by test.test_idle to avoid setlocale.
jpayne@69:     encoding = 'utf-8'
jpayne@69:     errors = 'surrogateescape'
jpayne@69: else:
jpayne@69:     # Try setting the locale, so that we can find out
jpayne@69:     # what encoding to use
jpayne@69:     try:
jpayne@69:         import locale
jpayne@69:         locale.setlocale(locale.LC_CTYPE, "")
jpayne@69:     except (ImportError, locale.Error):
jpayne@69:         pass
jpayne@69: 
jpayne@69:     if sys.platform == 'win32':
jpayne@69:         encoding = 'utf-8'
jpayne@69:         errors = 'surrogateescape'
jpayne@69:     else:
jpayne@69:         try:
jpayne@69:             # Different things can fail here: the locale module may not be
jpayne@69:             # loaded, it may not offer nl_langinfo, or CODESET, or the
jpayne@69:             # resulting codeset may be unknown to Python. We ignore all
jpayne@69:             # these problems, falling back to ASCII
jpayne@69:             locale_encoding = locale.nl_langinfo(locale.CODESET)
jpayne@69:             if locale_encoding:
jpayne@69:                 codecs.lookup(locale_encoding)
jpayne@69:         except (NameError, AttributeError, LookupError):
jpayne@69:             # Try getdefaultlocale: it parses environment variables,
jpayne@69:             # which may give a clue. Unfortunately, getdefaultlocale has
jpayne@69:             # bugs that can cause ValueError.
jpayne@69:             try:
jpayne@69:                 locale_encoding = locale.getdefaultlocale()[1]
jpayne@69:                 if locale_encoding:
jpayne@69:                     codecs.lookup(locale_encoding)
jpayne@69:             except (ValueError, LookupError):
jpayne@69:                 pass
jpayne@69: 
jpayne@69:         if locale_encoding:
jpayne@69:             encoding = locale_encoding.lower()
jpayne@69:             errors = 'strict'
jpayne@69:         else:
jpayne@69:             # POSIX locale or macOS
jpayne@69:             encoding = 'ascii'
jpayne@69:             errors = 'surrogateescape'
jpayne@69:         # Encoding is used in multiple files; locale_encoding nowhere.
jpayne@69:         # The only use of 'encoding' below is in _decode as initial value
jpayne@69:         # of deprecated block asking user for encoding.
jpayne@69:         # Perhaps use elsewhere should be reviewed.
jpayne@69: 
jpayne@69: coding_re = re.compile(r'^[ \t\f]*#.*?coding[:=][ \t]*([-\w.]+)', re.ASCII)
jpayne@69: blank_re = re.compile(r'^[ \t\f]*(?:[#\r\n]|$)', re.ASCII)
jpayne@69: 
jpayne@69: def coding_spec(data):
jpayne@69:     """Return the encoding declaration according to PEP 263.
jpayne@69: 
jpayne@69:     When checking encoded data, only the first two lines should be passed
jpayne@69:     in to avoid a UnicodeDecodeError if the rest of the data is not unicode.
jpayne@69:     The first two lines would contain the encoding specification.
jpayne@69: 
jpayne@69:     Raise a LookupError if the encoding is declared but unknown.
jpayne@69:     """
jpayne@69:     if isinstance(data, bytes):
jpayne@69:         # This encoding might be wrong. However, the coding
jpayne@69:         # spec must be ASCII-only, so any non-ASCII characters
jpayne@69:         # around here will be ignored. Decoding to Latin-1 should
jpayne@69:         # never fail (except for memory outage)
jpayne@69:         lines = data.decode('iso-8859-1')
jpayne@69:     else:
jpayne@69:         lines = data
jpayne@69:     # consider only the first two lines
jpayne@69:     if '\n' in lines:
jpayne@69:         lst = lines.split('\n', 2)[:2]
jpayne@69:     elif '\r' in lines:
jpayne@69:         lst = lines.split('\r', 2)[:2]
jpayne@69:     else:
jpayne@69:         lst = [lines]
jpayne@69:     for line in lst:
jpayne@69:         match = coding_re.match(line)
jpayne@69:         if match is not None:
jpayne@69:             break
jpayne@69:         if not blank_re.match(line):
jpayne@69:             return None
jpayne@69:     else:
jpayne@69:         return None
jpayne@69:     name = match.group(1)
jpayne@69:     try:
jpayne@69:         codecs.lookup(name)
jpayne@69:     except LookupError:
jpayne@69:         # The standard encoding error does not indicate the encoding
jpayne@69:         raise LookupError("Unknown encoding: "+name)
jpayne@69:     return name
jpayne@69: 
jpayne@69: 
jpayne@69: class IOBinding:
jpayne@69: # One instance per editor Window so methods know which to save, close.
jpayne@69: # Open returns focus to self.editwin if aborted.
jpayne@69: # EditorWindow.open_module, others, belong here.
jpayne@69: 
jpayne@69:     def __init__(self, editwin):
jpayne@69:         self.editwin = editwin
jpayne@69:         self.text = editwin.text
jpayne@69:         self.__id_open = self.text.bind("<<open-window-from-file>>", self.open)
jpayne@69:         self.__id_save = self.text.bind("<<save-window>>", self.save)
jpayne@69:         self.__id_saveas = self.text.bind("<<save-window-as-file>>",
jpayne@69:                                           self.save_as)
jpayne@69:         self.__id_savecopy = self.text.bind("<<save-copy-of-window-as-file>>",
jpayne@69:                                             self.save_a_copy)
jpayne@69:         self.fileencoding = None
jpayne@69:         self.__id_print = self.text.bind("<<print-window>>", self.print_window)
jpayne@69: 
jpayne@69:     def close(self):
jpayne@69:         # Undo command bindings
jpayne@69:         self.text.unbind("<<open-window-from-file>>", self.__id_open)
jpayne@69:         self.text.unbind("<<save-window>>", self.__id_save)
jpayne@69:         self.text.unbind("<<save-window-as-file>>",self.__id_saveas)
jpayne@69:         self.text.unbind("<<save-copy-of-window-as-file>>", self.__id_savecopy)
jpayne@69:         self.text.unbind("<<print-window>>", self.__id_print)
jpayne@69:         # Break cycles
jpayne@69:         self.editwin = None
jpayne@69:         self.text = None
jpayne@69:         self.filename_change_hook = None
jpayne@69: 
jpayne@69:     def get_saved(self):
jpayne@69:         return self.editwin.get_saved()
jpayne@69: 
jpayne@69:     def set_saved(self, flag):
jpayne@69:         self.editwin.set_saved(flag)
jpayne@69: 
jpayne@69:     def reset_undo(self):
jpayne@69:         self.editwin.reset_undo()
jpayne@69: 
jpayne@69:     filename_change_hook = None
jpayne@69: 
jpayne@69:     def set_filename_change_hook(self, hook):
jpayne@69:         self.filename_change_hook = hook
jpayne@69: 
jpayne@69:     filename = None
jpayne@69:     dirname = None
jpayne@69: 
jpayne@69:     def set_filename(self, filename):
jpayne@69:         if filename and os.path.isdir(filename):
jpayne@69:             self.filename = None
jpayne@69:             self.dirname = filename
jpayne@69:         else:
jpayne@69:             self.filename = filename
jpayne@69:             self.dirname = None
jpayne@69:             self.set_saved(1)
jpayne@69:             if self.filename_change_hook:
jpayne@69:                 self.filename_change_hook()
jpayne@69: 
jpayne@69:     def open(self, event=None, editFile=None):
jpayne@69:         flist = self.editwin.flist
jpayne@69:         # Save in case parent window is closed (ie, during askopenfile()).
jpayne@69:         if flist:
jpayne@69:             if not editFile:
jpayne@69:                 filename = self.askopenfile()
jpayne@69:             else:
jpayne@69:                 filename=editFile
jpayne@69:             if filename:
jpayne@69:                 # If editFile is valid and already open, flist.open will
jpayne@69:                 # shift focus to its existing window.
jpayne@69:                 # If the current window exists and is a fresh unnamed,
jpayne@69:                 # unmodified editor window (not an interpreter shell),
jpayne@69:                 # pass self.loadfile to flist.open so it will load the file
jpayne@69:                 # in the current window (if the file is not already open)
jpayne@69:                 # instead of a new window.
jpayne@69:                 if (self.editwin and
jpayne@69:                         not getattr(self.editwin, 'interp', None) and
jpayne@69:                         not self.filename and
jpayne@69:                         self.get_saved()):
jpayne@69:                     flist.open(filename, self.loadfile)
jpayne@69:                 else:
jpayne@69:                     flist.open(filename)
jpayne@69:             else:
jpayne@69:                 if self.text:
jpayne@69:                     self.text.focus_set()
jpayne@69:             return "break"
jpayne@69: 
jpayne@69:         # Code for use outside IDLE:
jpayne@69:         if self.get_saved():
jpayne@69:             reply = self.maybesave()
jpayne@69:             if reply == "cancel":
jpayne@69:                 self.text.focus_set()
jpayne@69:                 return "break"
jpayne@69:         if not editFile:
jpayne@69:             filename = self.askopenfile()
jpayne@69:         else:
jpayne@69:             filename=editFile
jpayne@69:         if filename:
jpayne@69:             self.loadfile(filename)
jpayne@69:         else:
jpayne@69:             self.text.focus_set()
jpayne@69:         return "break"
jpayne@69: 
jpayne@69:     eol = r"(\r\n)|\n|\r"  # \r\n (Windows), \n (UNIX), or \r (Mac)
jpayne@69:     eol_re = re.compile(eol)
jpayne@69:     eol_convention = os.linesep  # default
jpayne@69: 
jpayne@69:     def loadfile(self, filename):
jpayne@69:         try:
jpayne@69:             # open the file in binary mode so that we can handle
jpayne@69:             # end-of-line convention ourselves.
jpayne@69:             with open(filename, 'rb') as f:
jpayne@69:                 two_lines = f.readline() + f.readline()
jpayne@69:                 f.seek(0)
jpayne@69:                 bytes = f.read()
jpayne@69:         except OSError as msg:
jpayne@69:             tkMessageBox.showerror("I/O Error", str(msg), parent=self.text)
jpayne@69:             return False
jpayne@69:         chars, converted = self._decode(two_lines, bytes)
jpayne@69:         if chars is None:
jpayne@69:             tkMessageBox.showerror("Decoding Error",
jpayne@69:                                    "File %s\nFailed to Decode" % filename,
jpayne@69:                                    parent=self.text)
jpayne@69:             return False
jpayne@69:         # We now convert all end-of-lines to '\n's
jpayne@69:         firsteol = self.eol_re.search(chars)
jpayne@69:         if firsteol:
jpayne@69:             self.eol_convention = firsteol.group(0)
jpayne@69:             chars = self.eol_re.sub(r"\n", chars)
jpayne@69:         self.text.delete("1.0", "end")
jpayne@69:         self.set_filename(None)
jpayne@69:         self.text.insert("1.0", chars)
jpayne@69:         self.reset_undo()
jpayne@69:         self.set_filename(filename)
jpayne@69:         if converted:
jpayne@69:             # We need to save the conversion results first
jpayne@69:             # before being able to execute the code
jpayne@69:             self.set_saved(False)
jpayne@69:         self.text.mark_set("insert", "1.0")
jpayne@69:         self.text.yview("insert")
jpayne@69:         self.updaterecentfileslist(filename)
jpayne@69:         return True
jpayne@69: 
jpayne@69:     def _decode(self, two_lines, bytes):
jpayne@69:         "Create a Unicode string."
jpayne@69:         chars = None
jpayne@69:         # Check presence of a UTF-8 signature first
jpayne@69:         if bytes.startswith(BOM_UTF8):
jpayne@69:             try:
jpayne@69:                 chars = bytes[3:].decode("utf-8")
jpayne@69:             except UnicodeDecodeError:
jpayne@69:                 # has UTF-8 signature, but fails to decode...
jpayne@69:                 return None, False
jpayne@69:             else:
jpayne@69:                 # Indicates that this file originally had a BOM
jpayne@69:                 self.fileencoding = 'BOM'
jpayne@69:                 return chars, False
jpayne@69:         # Next look for coding specification
jpayne@69:         try:
jpayne@69:             enc = coding_spec(two_lines)
jpayne@69:         except LookupError as name:
jpayne@69:             tkMessageBox.showerror(
jpayne@69:                 title="Error loading the file",
jpayne@69:                 message="The encoding '%s' is not known to this Python "\
jpayne@69:                 "installation. The file may not display correctly" % name,
jpayne@69:                 parent = self.text)
jpayne@69:             enc = None
jpayne@69:         except UnicodeDecodeError:
jpayne@69:             return None, False
jpayne@69:         if enc:
jpayne@69:             try:
jpayne@69:                 chars = str(bytes, enc)
jpayne@69:                 self.fileencoding = enc
jpayne@69:                 return chars, False
jpayne@69:             except UnicodeDecodeError:
jpayne@69:                 pass
jpayne@69:         # Try ascii:
jpayne@69:         try:
jpayne@69:             chars = str(bytes, 'ascii')
jpayne@69:             self.fileencoding = None
jpayne@69:             return chars, False
jpayne@69:         except UnicodeDecodeError:
jpayne@69:             pass
jpayne@69:         # Try utf-8:
jpayne@69:         try:
jpayne@69:             chars = str(bytes, 'utf-8')
jpayne@69:             self.fileencoding = 'utf-8'
jpayne@69:             return chars, False
jpayne@69:         except UnicodeDecodeError:
jpayne@69:             pass
jpayne@69:         # Finally, try the locale's encoding. This is deprecated;
jpayne@69:         # the user should declare a non-ASCII encoding
jpayne@69:         try:
jpayne@69:             # Wait for the editor window to appear
jpayne@69:             self.editwin.text.update()
jpayne@69:             enc = askstring(
jpayne@69:                 "Specify file encoding",
jpayne@69:                 "The file's encoding is invalid for Python 3.x.\n"
jpayne@69:                 "IDLE will convert it to UTF-8.\n"
jpayne@69:                 "What is the current encoding of the file?",
jpayne@69:                 initialvalue = encoding,
jpayne@69:                 parent = self.editwin.text)
jpayne@69: 
jpayne@69:             if enc:
jpayne@69:                 chars = str(bytes, enc)
jpayne@69:                 self.fileencoding = None
jpayne@69:             return chars, True
jpayne@69:         except (UnicodeDecodeError, LookupError):
jpayne@69:             pass
jpayne@69:         return None, False  # None on failure
jpayne@69: 
jpayne@69:     def maybesave(self):
jpayne@69:         if self.get_saved():
jpayne@69:             return "yes"
jpayne@69:         message = "Do you want to save %s before closing?" % (
jpayne@69:             self.filename or "this untitled document")
jpayne@69:         confirm = tkMessageBox.askyesnocancel(
jpayne@69:                   title="Save On Close",
jpayne@69:                   message=message,
jpayne@69:                   default=tkMessageBox.YES,
jpayne@69:                   parent=self.text)
jpayne@69:         if confirm:
jpayne@69:             reply = "yes"
jpayne@69:             self.save(None)
jpayne@69:             if not self.get_saved():
jpayne@69:                 reply = "cancel"
jpayne@69:         elif confirm is None:
jpayne@69:             reply = "cancel"
jpayne@69:         else:
jpayne@69:             reply = "no"
jpayne@69:         self.text.focus_set()
jpayne@69:         return reply
jpayne@69: 
jpayne@69:     def save(self, event):
jpayne@69:         if not self.filename:
jpayne@69:             self.save_as(event)
jpayne@69:         else:
jpayne@69:             if self.writefile(self.filename):
jpayne@69:                 self.set_saved(True)
jpayne@69:                 try:
jpayne@69:                     self.editwin.store_file_breaks()
jpayne@69:                 except AttributeError:  # may be a PyShell
jpayne@69:                     pass
jpayne@69:         self.text.focus_set()
jpayne@69:         return "break"
jpayne@69: 
jpayne@69:     def save_as(self, event):
jpayne@69:         filename = self.asksavefile()
jpayne@69:         if filename:
jpayne@69:             if self.writefile(filename):
jpayne@69:                 self.set_filename(filename)
jpayne@69:                 self.set_saved(1)
jpayne@69:                 try:
jpayne@69:                     self.editwin.store_file_breaks()
jpayne@69:                 except AttributeError:
jpayne@69:                     pass
jpayne@69:         self.text.focus_set()
jpayne@69:         self.updaterecentfileslist(filename)
jpayne@69:         return "break"
jpayne@69: 
jpayne@69:     def save_a_copy(self, event):
jpayne@69:         filename = self.asksavefile()
jpayne@69:         if filename:
jpayne@69:             self.writefile(filename)
jpayne@69:         self.text.focus_set()
jpayne@69:         self.updaterecentfileslist(filename)
jpayne@69:         return "break"
jpayne@69: 
jpayne@69:     def writefile(self, filename):
jpayne@69:         text = self.fixnewlines()
jpayne@69:         chars = self.encode(text)
jpayne@69:         try:
jpayne@69:             with open(filename, "wb") as f:
jpayne@69:                 f.write(chars)
jpayne@69:                 f.flush()
jpayne@69:                 os.fsync(f.fileno())
jpayne@69:             return True
jpayne@69:         except OSError as msg:
jpayne@69:             tkMessageBox.showerror("I/O Error", str(msg),
jpayne@69:                                    parent=self.text)
jpayne@69:             return False
jpayne@69: 
jpayne@69:     def fixnewlines(self):
jpayne@69:         "Return text with final \n if needed and os eols."
jpayne@69:         if (self.text.get("end-2c") != '\n'
jpayne@69:             and not hasattr(self.editwin, "interp")):  # Not shell.
jpayne@69:             self.text.insert("end-1c", "\n")
jpayne@69:         text = self.text.get("1.0", "end-1c")
jpayne@69:         if self.eol_convention != "\n":
jpayne@69:             text = text.replace("\n", self.eol_convention)
jpayne@69:         return text
jpayne@69: 
jpayne@69:     def encode(self, chars):
jpayne@69:         if isinstance(chars, bytes):
jpayne@69:             # This is either plain ASCII, or Tk was returning mixed-encoding
jpayne@69:             # text to us. Don't try to guess further.
jpayne@69:             return chars
jpayne@69:         # Preserve a BOM that might have been present on opening
jpayne@69:         if self.fileencoding == 'BOM':
jpayne@69:             return BOM_UTF8 + chars.encode("utf-8")
jpayne@69:         # See whether there is anything non-ASCII in it.
jpayne@69:         # If not, no need to figure out the encoding.
jpayne@69:         try:
jpayne@69:             return chars.encode('ascii')
jpayne@69:         except UnicodeError:
jpayne@69:             pass
jpayne@69:         # Check if there is an encoding declared
jpayne@69:         try:
jpayne@69:             # a string, let coding_spec slice it to the first two lines
jpayne@69:             enc = coding_spec(chars)
jpayne@69:             failed = None
jpayne@69:         except LookupError as msg:
jpayne@69:             failed = msg
jpayne@69:             enc = None
jpayne@69:         else:
jpayne@69:             if not enc:
jpayne@69:                 # PEP 3120: default source encoding is UTF-8
jpayne@69:                 enc = 'utf-8'
jpayne@69:         if enc:
jpayne@69:             try:
jpayne@69:                 return chars.encode(enc)
jpayne@69:             except UnicodeError:
jpayne@69:                 failed = "Invalid encoding '%s'" % enc
jpayne@69:         tkMessageBox.showerror(
jpayne@69:             "I/O Error",
jpayne@69:             "%s.\nSaving as UTF-8" % failed,
jpayne@69:             parent = self.text)
jpayne@69:         # Fallback: save as UTF-8, with BOM - ignoring the incorrect
jpayne@69:         # declared encoding
jpayne@69:         return BOM_UTF8 + chars.encode("utf-8")
jpayne@69: 
jpayne@69:     def print_window(self, event):
jpayne@69:         confirm = tkMessageBox.askokcancel(
jpayne@69:                   title="Print",
jpayne@69:                   message="Print to Default Printer",
jpayne@69:                   default=tkMessageBox.OK,
jpayne@69:                   parent=self.text)
jpayne@69:         if not confirm:
jpayne@69:             self.text.focus_set()
jpayne@69:             return "break"
jpayne@69:         tempfilename = None
jpayne@69:         saved = self.get_saved()
jpayne@69:         if saved:
jpayne@69:             filename = self.filename
jpayne@69:         # shell undo is reset after every prompt, looks saved, probably isn't
jpayne@69:         if not saved or filename is None:
jpayne@69:             (tfd, tempfilename) = tempfile.mkstemp(prefix='IDLE_tmp_')
jpayne@69:             filename = tempfilename
jpayne@69:             os.close(tfd)
jpayne@69:             if not self.writefile(tempfilename):
jpayne@69:                 os.unlink(tempfilename)
jpayne@69:                 return "break"
jpayne@69:         platform = os.name
jpayne@69:         printPlatform = True
jpayne@69:         if platform == 'posix': #posix platform
jpayne@69:             command = idleConf.GetOption('main','General',
jpayne@69:                                          'print-command-posix')
jpayne@69:             command = command + " 2>&1"
jpayne@69:         elif platform == 'nt': #win32 platform
jpayne@69:             command = idleConf.GetOption('main','General','print-command-win')
jpayne@69:         else: #no printing for this platform
jpayne@69:             printPlatform = False
jpayne@69:         if printPlatform:  #we can try to print for this platform
jpayne@69:             command = command % shlex.quote(filename)
jpayne@69:             pipe = os.popen(command, "r")
jpayne@69:             # things can get ugly on NT if there is no printer available.
jpayne@69:             output = pipe.read().strip()
jpayne@69:             status = pipe.close()
jpayne@69:             if status:
jpayne@69:                 output = "Printing failed (exit status 0x%x)\n" % \
jpayne@69:                          status + output
jpayne@69:             if output:
jpayne@69:                 output = "Printing command: %s\n" % repr(command) + output
jpayne@69:                 tkMessageBox.showerror("Print status", output, parent=self.text)
jpayne@69:         else:  #no printing for this platform
jpayne@69:             message = "Printing is not enabled for this platform: %s" % platform
jpayne@69:             tkMessageBox.showinfo("Print status", message, parent=self.text)
jpayne@69:         if tempfilename:
jpayne@69:             os.unlink(tempfilename)
jpayne@69:         return "break"
jpayne@69: 
jpayne@69:     opendialog = None
jpayne@69:     savedialog = None
jpayne@69: 
jpayne@69:     filetypes = (
jpayne@69:         ("Python files", "*.py *.pyw", "TEXT"),
jpayne@69:         ("Text files", "*.txt", "TEXT"),
jpayne@69:         ("All files", "*"),
jpayne@69:         )
jpayne@69: 
jpayne@69:     defaultextension = '.py' if sys.platform == 'darwin' else ''
jpayne@69: 
jpayne@69:     def askopenfile(self):
jpayne@69:         dir, base = self.defaultfilename("open")
jpayne@69:         if not self.opendialog:
jpayne@69:             self.opendialog = tkFileDialog.Open(parent=self.text,
jpayne@69:                                                 filetypes=self.filetypes)
jpayne@69:         filename = self.opendialog.show(initialdir=dir, initialfile=base)
jpayne@69:         return filename
jpayne@69: 
jpayne@69:     def defaultfilename(self, mode="open"):
jpayne@69:         if self.filename:
jpayne@69:             return os.path.split(self.filename)
jpayne@69:         elif self.dirname:
jpayne@69:             return self.dirname, ""
jpayne@69:         else:
jpayne@69:             try:
jpayne@69:                 pwd = os.getcwd()
jpayne@69:             except OSError:
jpayne@69:                 pwd = ""
jpayne@69:             return pwd, ""
jpayne@69: 
jpayne@69:     def asksavefile(self):
jpayne@69:         dir, base = self.defaultfilename("save")
jpayne@69:         if not self.savedialog:
jpayne@69:             self.savedialog = tkFileDialog.SaveAs(
jpayne@69:                     parent=self.text,
jpayne@69:                     filetypes=self.filetypes,
jpayne@69:                     defaultextension=self.defaultextension)
jpayne@69:         filename = self.savedialog.show(initialdir=dir, initialfile=base)
jpayne@69:         return filename
jpayne@69: 
jpayne@69:     def updaterecentfileslist(self,filename):
jpayne@69:         "Update recent file list on all editor windows"
jpayne@69:         if self.editwin.flist:
jpayne@69:             self.editwin.update_recent_files_list(filename)
jpayne@69: 
jpayne@69: def _io_binding(parent):  # htest #
jpayne@69:     from tkinter import Toplevel, Text
jpayne@69: 
jpayne@69:     root = Toplevel(parent)
jpayne@69:     root.title("Test IOBinding")
jpayne@69:     x, y = map(int, parent.geometry().split('+')[1:])
jpayne@69:     root.geometry("+%d+%d" % (x, y + 175))
jpayne@69:     class MyEditWin:
jpayne@69:         def __init__(self, text):
jpayne@69:             self.text = text
jpayne@69:             self.flist = None
jpayne@69:             self.text.bind("<Control-o>", self.open)
jpayne@69:             self.text.bind('<Control-p>', self.print)
jpayne@69:             self.text.bind("<Control-s>", self.save)
jpayne@69:             self.text.bind("<Alt-s>", self.saveas)
jpayne@69:             self.text.bind('<Control-c>', self.savecopy)
jpayne@69:         def get_saved(self): return 0
jpayne@69:         def set_saved(self, flag): pass
jpayne@69:         def reset_undo(self): pass
jpayne@69:         def open(self, event):
jpayne@69:             self.text.event_generate("<<open-window-from-file>>")
jpayne@69:         def print(self, event):
jpayne@69:             self.text.event_generate("<<print-window>>")
jpayne@69:         def save(self, event):
jpayne@69:             self.text.event_generate("<<save-window>>")
jpayne@69:         def saveas(self, event):
jpayne@69:             self.text.event_generate("<<save-window-as-file>>")
jpayne@69:         def savecopy(self, event):
jpayne@69:             self.text.event_generate("<<save-copy-of-window-as-file>>")
jpayne@69: 
jpayne@69:     text = Text(root)
jpayne@69:     text.pack()
jpayne@69:     text.focus_set()
jpayne@69:     editwin = MyEditWin(text)
jpayne@69:     IOBinding(editwin)
jpayne@69: 
jpayne@69: if __name__ == "__main__":
jpayne@69:     from unittest import main
jpayne@69:     main('idlelib.idle_test.test_iomenu', verbosity=2, exit=False)
jpayne@69: 
jpayne@69:     from idlelib.idle_test.htest import run
jpayne@69:     run(_io_binding)