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authorTerry Jan Reedy <tjreedy@udel.edu>2016-05-22 23:10:31 (GMT)
committerTerry Jan Reedy <tjreedy@udel.edu>2016-05-22 23:10:31 (GMT)
commit0d9220e162f1e5f8caa3d7ebaa54665776d361a1 (patch)
treea4fa9f7cafdfc93fde86b8ffd6088d739bb93e01 /Lib/idlelib/EditorWindow.py
parentdc4f7c09cc934524a763498250e30123a0d9d2c5 (diff)
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Issue #24225: Rename many idlelib/*.py and idlelib/idle_test/test_*.py files.
Diffstat (limited to 'Lib/idlelib/EditorWindow.py')
-rw-r--r--Lib/idlelib/EditorWindow.py1703
1 files changed, 0 insertions, 1703 deletions
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
deleted file mode 100644
index b5868be..0000000
--- a/Lib/idlelib/EditorWindow.py
+++ /dev/null
@@ -1,1703 +0,0 @@
-import importlib
-import importlib.abc
-import importlib.util
-import os
-import platform
-import re
-import string
-import sys
-from tkinter import *
-import tkinter.simpledialog as tkSimpleDialog
-import tkinter.messagebox as tkMessageBox
-import traceback
-import webbrowser
-
-from idlelib.MultiCall import MultiCallCreator
-from idlelib import WindowList
-from idlelib import SearchDialog
-from idlelib import GrepDialog
-from idlelib import ReplaceDialog
-from idlelib import PyParse
-from idlelib.configHandler import idleConf
-from idlelib import aboutDialog, textView, configDialog
-from idlelib import macosxSupport
-from idlelib import help
-
-# The default tab setting for a Text widget, in average-width characters.
-TK_TABWIDTH_DEFAULT = 8
-
-_py_version = ' (%s)' % platform.python_version()
-
-def _sphinx_version():
- "Format sys.version_info to produce the Sphinx version string used to install the chm docs"
- major, minor, micro, level, serial = sys.version_info
- release = '%s%s' % (major, minor)
- release += '%s' % (micro,)
- if level == 'candidate':
- release += 'rc%s' % (serial,)
- elif level != 'final':
- release += '%s%s' % (level[0], serial)
- return release
-
-
-class HelpDialog(object):
-
- def __init__(self):
- self.parent = None # parent of help window
- self.dlg = None # the help window iteself
-
- def display(self, parent, near=None):
- """ Display the help dialog.
-
- parent - parent widget for the help window
-
- near - a Toplevel widget (e.g. EditorWindow or PyShell)
- to use as a reference for placing the help window
- """
- import warnings as w
- w.warn("EditorWindow.HelpDialog is no longer used by Idle.\n"
- "It will be removed in 3.6 or later.\n"
- "It has been replaced by private help.HelpWindow\n",
- DeprecationWarning, stacklevel=2)
- if self.dlg is None:
- self.show_dialog(parent)
- if near:
- self.nearwindow(near)
-
- def show_dialog(self, parent):
- self.parent = parent
- fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
- self.dlg = dlg = textView.view_file(parent,'Help',fn, modal=False)
- dlg.bind('<Destroy>', self.destroy, '+')
-
- def nearwindow(self, near):
- # Place the help dialog near the window specified by parent.
- # Note - this may not reposition the window in Metacity
- # if "/apps/metacity/general/disable_workarounds" is enabled
- dlg = self.dlg
- geom = (near.winfo_rootx() + 10, near.winfo_rooty() + 10)
- dlg.withdraw()
- dlg.geometry("=+%d+%d" % geom)
- dlg.deiconify()
- dlg.lift()
-
- def destroy(self, ev=None):
- self.dlg = None
- self.parent = None
-
-helpDialog = HelpDialog() # singleton instance, no longer used
-
-
-class EditorWindow(object):
- from idlelib.Percolator import Percolator
- from idlelib.ColorDelegator import ColorDelegator
- from idlelib.UndoDelegator import UndoDelegator
- from idlelib.IOBinding import IOBinding, filesystemencoding, encoding
- from idlelib import Bindings
- from tkinter import Toplevel
- from idlelib.MultiStatusBar import MultiStatusBar
-
- help_url = None
-
- def __init__(self, flist=None, filename=None, key=None, root=None):
- if EditorWindow.help_url is None:
- dochome = os.path.join(sys.base_prefix, 'Doc', 'index.html')
- if sys.platform.count('linux'):
- # look for html docs in a couple of standard places
- pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
- if os.path.isdir('/var/www/html/python/'): # "python2" rpm
- dochome = '/var/www/html/python/index.html'
- else:
- basepath = '/usr/share/doc/' # standard location
- dochome = os.path.join(basepath, pyver,
- 'Doc', 'index.html')
- elif sys.platform[:3] == 'win':
- chmfile = os.path.join(sys.base_prefix, 'Doc',
- 'Python%s.chm' % _sphinx_version())
- if os.path.isfile(chmfile):
- dochome = chmfile
- elif sys.platform == 'darwin':
- # documentation may be stored inside a python framework
- dochome = os.path.join(sys.base_prefix,
- 'Resources/English.lproj/Documentation/index.html')
- dochome = os.path.normpath(dochome)
- if os.path.isfile(dochome):
- EditorWindow.help_url = dochome
- if sys.platform == 'darwin':
- # Safari requires real file:-URLs
- EditorWindow.help_url = 'file://' + EditorWindow.help_url
- else:
- EditorWindow.help_url = "https://docs.python.org/%d.%d/" % sys.version_info[:2]
- self.flist = flist
- root = root or flist.root
- self.root = root
- try:
- sys.ps1
- except AttributeError:
- sys.ps1 = '>>> '
- self.menubar = Menu(root)
- self.top = top = WindowList.ListedToplevel(root, menu=self.menubar)
- if flist:
- self.tkinter_vars = flist.vars
- #self.top.instance_dict makes flist.inversedict available to
- #configDialog.py so it can access all EditorWindow instances
- self.top.instance_dict = flist.inversedict
- else:
- self.tkinter_vars = {} # keys: Tkinter event names
- # values: Tkinter variable instances
- self.top.instance_dict = {}
- self.recent_files_path = os.path.join(idleConf.GetUserCfgDir(),
- 'recent-files.lst')
- self.text_frame = text_frame = Frame(top)
- self.vbar = vbar = Scrollbar(text_frame, name='vbar')
- self.width = idleConf.GetOption('main', 'EditorWindow',
- 'width', type='int')
- text_options = {
- 'name': 'text',
- 'padx': 5,
- 'wrap': 'none',
- 'highlightthickness': 0,
- 'width': self.width,
- 'height': idleConf.GetOption('main', 'EditorWindow',
- 'height', type='int')}
- if TkVersion >= 8.5:
- # Starting with tk 8.5 we have to set the new tabstyle option
- # to 'wordprocessor' to achieve the same display of tabs as in
- # older tk versions.
- text_options['tabstyle'] = 'wordprocessor'
- self.text = text = MultiCallCreator(Text)(text_frame, **text_options)
- self.top.focused_widget = self.text
-
- self.createmenubar()
- self.apply_bindings()
-
- self.top.protocol("WM_DELETE_WINDOW", self.close)
- self.top.bind("<<close-window>>", self.close_event)
- if macosxSupport.isAquaTk():
- # Command-W on editorwindows doesn't work without this.
- text.bind('<<close-window>>', self.close_event)
- # Some OS X systems have only one mouse button, so use
- # control-click for popup context menus there. For two
- # buttons, AquaTk defines <2> as the right button, not <3>.
- text.bind("<Control-Button-1>",self.right_menu_event)
- text.bind("<2>", self.right_menu_event)
- else:
- # Elsewhere, use right-click for popup menus.
- text.bind("<3>",self.right_menu_event)
- text.bind("<<cut>>", self.cut)
- text.bind("<<copy>>", self.copy)
- text.bind("<<paste>>", self.paste)
- text.bind("<<center-insert>>", self.center_insert_event)
- text.bind("<<help>>", self.help_dialog)
- text.bind("<<python-docs>>", self.python_docs)
- text.bind("<<about-idle>>", self.about_dialog)
- text.bind("<<open-config-dialog>>", self.config_dialog)
- text.bind("<<open-module>>", self.open_module)
- text.bind("<<do-nothing>>", lambda event: "break")
- text.bind("<<select-all>>", self.select_all)
- text.bind("<<remove-selection>>", self.remove_selection)
- text.bind("<<find>>", self.find_event)
- text.bind("<<find-again>>", self.find_again_event)
- text.bind("<<find-in-files>>", self.find_in_files_event)
- text.bind("<<find-selection>>", self.find_selection_event)
- text.bind("<<replace>>", self.replace_event)
- text.bind("<<goto-line>>", self.goto_line_event)
- text.bind("<<smart-backspace>>",self.smart_backspace_event)
- text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
- text.bind("<<smart-indent>>",self.smart_indent_event)
- text.bind("<<indent-region>>",self.indent_region_event)
- text.bind("<<dedent-region>>",self.dedent_region_event)
- text.bind("<<comment-region>>",self.comment_region_event)
- text.bind("<<uncomment-region>>",self.uncomment_region_event)
- text.bind("<<tabify-region>>",self.tabify_region_event)
- text.bind("<<untabify-region>>",self.untabify_region_event)
- text.bind("<<toggle-tabs>>",self.toggle_tabs_event)
- text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
- text.bind("<Left>", self.move_at_edge_if_selection(0))
- text.bind("<Right>", self.move_at_edge_if_selection(1))
- text.bind("<<del-word-left>>", self.del_word_left)
- text.bind("<<del-word-right>>", self.del_word_right)
- text.bind("<<beginning-of-line>>", self.home_callback)
-
- if flist:
- flist.inversedict[self] = key
- if key:
- flist.dict[key] = self
- text.bind("<<open-new-window>>", self.new_callback)
- text.bind("<<close-all-windows>>", self.flist.close_all_callback)
- text.bind("<<open-class-browser>>", self.open_class_browser)
- text.bind("<<open-path-browser>>", self.open_path_browser)
- text.bind("<<open-turtle-demo>>", self.open_turtle_demo)
-
- self.set_status_bar()
- vbar['command'] = text.yview
- vbar.pack(side=RIGHT, fill=Y)
- text['yscrollcommand'] = vbar.set
- text['font'] = idleConf.GetFont(self.root, 'main', 'EditorWindow')
- text_frame.pack(side=LEFT, fill=BOTH, expand=1)
- text.pack(side=TOP, fill=BOTH, expand=1)
- text.focus_set()
-
- # usetabs true -> literal tab characters are used by indent and
- # dedent cmds, possibly mixed with spaces if
- # indentwidth is not a multiple of tabwidth,
- # which will cause Tabnanny to nag!
- # false -> tab characters are converted to spaces by indent
- # and dedent cmds, and ditto TAB keystrokes
- # Although use-spaces=0 can be configured manually in config-main.def,
- # configuration of tabs v. spaces is not supported in the configuration
- # dialog. IDLE promotes the preferred Python indentation: use spaces!
- usespaces = idleConf.GetOption('main', 'Indent',
- 'use-spaces', type='bool')
- self.usetabs = not usespaces
-
- # tabwidth is the display width of a literal tab character.
- # CAUTION: telling Tk to use anything other than its default
- # tab setting causes it to use an entirely different tabbing algorithm,
- # treating tab stops as fixed distances from the left margin.
- # Nobody expects this, so for now tabwidth should never be changed.
- self.tabwidth = 8 # must remain 8 until Tk is fixed.
-
- # indentwidth is the number of screen characters per indent level.
- # The recommended Python indentation is four spaces.
- self.indentwidth = self.tabwidth
- self.set_notabs_indentwidth()
-
- # If context_use_ps1 is true, parsing searches back for a ps1 line;
- # else searches for a popular (if, def, ...) Python stmt.
- self.context_use_ps1 = False
-
- # When searching backwards for a reliable place to begin parsing,
- # first start num_context_lines[0] lines back, then
- # num_context_lines[1] lines back if that didn't work, and so on.
- # The last value should be huge (larger than the # of lines in a
- # conceivable file).
- # Making the initial values larger slows things down more often.
- self.num_context_lines = 50, 500, 5000000
- self.per = per = self.Percolator(text)
- self.undo = undo = self.UndoDelegator()
- per.insertfilter(undo)
- text.undo_block_start = undo.undo_block_start
- text.undo_block_stop = undo.undo_block_stop
- undo.set_saved_change_hook(self.saved_change_hook)
- # IOBinding implements file I/O and printing functionality
- self.io = io = self.IOBinding(self)
- io.set_filename_change_hook(self.filename_change_hook)
- self.good_load = False
- self.set_indentation_params(False)
- self.color = None # initialized below in self.ResetColorizer
- if filename:
- if os.path.exists(filename) and not os.path.isdir(filename):
- if io.loadfile(filename):
- self.good_load = True
- is_py_src = self.ispythonsource(filename)
- self.set_indentation_params(is_py_src)
- else:
- io.set_filename(filename)
- self.good_load = True
-
- self.ResetColorizer()
- self.saved_change_hook()
- self.update_recent_files_list()
- self.load_extensions()
- menu = self.menudict.get('windows')
- if menu:
- end = menu.index("end")
- if end is None:
- end = -1
- if end >= 0:
- menu.add_separator()
- end = end + 1
- self.wmenu_end = end
- WindowList.register_callback(self.postwindowsmenu)
-
- # Some abstractions so IDLE extensions are cross-IDE
- self.askyesno = tkMessageBox.askyesno
- self.askinteger = tkSimpleDialog.askinteger
- self.showerror = tkMessageBox.showerror
-
- def _filename_to_unicode(self, filename):
- """Return filename as BMP unicode so diplayable in Tk."""
- # Decode bytes to unicode.
- if isinstance(filename, bytes):
- try:
- filename = filename.decode(self.filesystemencoding)
- except UnicodeDecodeError:
- try:
- filename = filename.decode(self.encoding)
- except UnicodeDecodeError:
- # byte-to-byte conversion
- filename = filename.decode('iso8859-1')
- # Replace non-BMP char with diamond questionmark.
- return re.sub('[\U00010000-\U0010FFFF]', '\ufffd', filename)
-
- def new_callback(self, event):
- dirname, basename = self.io.defaultfilename()
- self.flist.new(dirname)
- return "break"
-
- def home_callback(self, event):
- if (event.state & 4) != 0 and event.keysym == "Home":
- # state&4==Control. If <Control-Home>, use the Tk binding.
- return
- if self.text.index("iomark") and \
- self.text.compare("iomark", "<=", "insert lineend") and \
- self.text.compare("insert linestart", "<=", "iomark"):
- # In Shell on input line, go to just after prompt
- insertpt = int(self.text.index("iomark").split(".")[1])
- else:
- line = self.text.get("insert linestart", "insert lineend")
- for insertpt in range(len(line)):
- if line[insertpt] not in (' ','\t'):
- break
- else:
- insertpt=len(line)
- lineat = int(self.text.index("insert").split('.')[1])
- if insertpt == lineat:
- insertpt = 0
- dest = "insert linestart+"+str(insertpt)+"c"
- if (event.state&1) == 0:
- # shift was not pressed
- self.text.tag_remove("sel", "1.0", "end")
- else:
- if not self.text.index("sel.first"):
- # there was no previous selection
- self.text.mark_set("my_anchor", "insert")
- else:
- if self.text.compare(self.text.index("sel.first"), "<",
- self.text.index("insert")):
- self.text.mark_set("my_anchor", "sel.first") # extend back
- else:
- self.text.mark_set("my_anchor", "sel.last") # extend forward
- first = self.text.index(dest)
- last = self.text.index("my_anchor")
- if self.text.compare(first,">",last):
- first,last = last,first
- self.text.tag_remove("sel", "1.0", "end")
- self.text.tag_add("sel", first, last)
- self.text.mark_set("insert", dest)
- self.text.see("insert")
- return "break"
-
- def set_status_bar(self):
- self.status_bar = self.MultiStatusBar(self.top)
- sep = Frame(self.top, height=1, borderwidth=1, background='grey75')
- if sys.platform == "darwin":
- # Insert some padding to avoid obscuring some of the statusbar
- # by the resize widget.
- self.status_bar.set_label('_padding1', ' ', side=RIGHT)
- self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
- self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
- self.status_bar.pack(side=BOTTOM, fill=X)
- sep.pack(side=BOTTOM, fill=X)
- self.text.bind("<<set-line-and-column>>", self.set_line_and_column)
- self.text.event_add("<<set-line-and-column>>",
- "<KeyRelease>", "<ButtonRelease>")
- self.text.after_idle(self.set_line_and_column)
-
- def set_line_and_column(self, event=None):
- line, column = self.text.index(INSERT).split('.')
- self.status_bar.set_label('column', 'Col: %s' % column)
- self.status_bar.set_label('line', 'Ln: %s' % line)
-
- menu_specs = [
- ("file", "_File"),
- ("edit", "_Edit"),
- ("format", "F_ormat"),
- ("run", "_Run"),
- ("options", "_Options"),
- ("windows", "_Window"),
- ("help", "_Help"),
- ]
-
-
- def createmenubar(self):
- mbar = self.menubar
- self.menudict = menudict = {}
- for name, label in self.menu_specs:
- underline, label = prepstr(label)
- menudict[name] = menu = Menu(mbar, name=name, tearoff=0)
- mbar.add_cascade(label=label, menu=menu, underline=underline)
- if macosxSupport.isCarbonTk():
- # Insert the application menu
- menudict['application'] = menu = Menu(mbar, name='apple',
- tearoff=0)
- mbar.add_cascade(label='IDLE', menu=menu)
- self.fill_menus()
- self.recent_files_menu = Menu(self.menubar, tearoff=0)
- self.menudict['file'].insert_cascade(3, label='Recent Files',
- underline=0,
- menu=self.recent_files_menu)
- 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.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")
-
- for item in self.rmenu_specs:
- try:
- label, eventname, verify_state = item
- except ValueError: # see issue1207589
- continue
-
- if verify_state is None:
- continue
- state = getattr(self, verify_state)()
- rmenu.entryconfigure(label, state=state)
-
-
- rmenu.tk_popup(event.x_root, event.y_root)
- if iswin:
- self.text.config(cursor="ibeam")
-
- rmenu_specs = [
- # ("Label", "<<virtual-event>>", "statefuncname"), ...
- ("Close", "<<close-window>>", None), # Example
- ]
-
- def make_rmenu(self):
- rmenu = Menu(self.text, tearoff=0)
- for item in self.rmenu_specs:
- label, eventname = item[0], item[1]
- if label is not None:
- def command(text=self.text, eventname=eventname):
- text.event_generate(eventname)
- rmenu.add_command(label=label, command=command)
- else:
- rmenu.add_separator()
- self.rmenu = rmenu
-
- def rmenu_check_cut(self):
- return self.rmenu_check_copy()
-
- def rmenu_check_copy(self):
- try:
- indx = self.text.index('sel.first')
- except TclError:
- return 'disabled'
- else:
- return 'normal' if indx else 'disabled'
-
- def rmenu_check_paste(self):
- try:
- self.text.tk.call('tk::GetSelection', self.text, 'CLIPBOARD')
- except TclError:
- return 'disabled'
- else:
- return 'normal'
-
- def about_dialog(self, event=None):
- "Handle Help 'About IDLE' event."
- # Synchronize with macosxSupport.overrideRootMenu.about_dialog.
- aboutDialog.AboutDialog(self.top,'About IDLE')
-
- def config_dialog(self, event=None):
- "Handle Options 'Configure IDLE' event."
- # Synchronize with macosxSupport.overrideRootMenu.config_dialog.
- configDialog.ConfigDialog(self.top,'Settings')
-
- def help_dialog(self, event=None):
- "Handle Help 'IDLE Help' event."
- # Synchronize with macosxSupport.overrideRootMenu.help_dialog.
- if self.root:
- parent = self.root
- else:
- parent = self.top
- help.show_idlehelp(parent)
-
- def python_docs(self, event=None):
- if sys.platform[:3] == 'win':
- try:
- os.startfile(self.help_url)
- except OSError as why:
- tkMessageBox.showerror(title='Document Start Failure',
- message=str(why), parent=self.text)
- else:
- webbrowser.open(self.help_url)
- return "break"
-
- def cut(self,event):
- self.text.event_generate("<<Cut>>")
- return "break"
-
- def copy(self,event):
- if not self.text.tag_ranges("sel"):
- # There is no selection, so do nothing and maybe interrupt.
- return
- self.text.event_generate("<<Copy>>")
- return "break"
-
- def paste(self,event):
- self.text.event_generate("<<Paste>>")
- self.text.see("insert")
- return "break"
-
- def select_all(self, event=None):
- self.text.tag_add("sel", "1.0", "end-1c")
- self.text.mark_set("insert", "1.0")
- self.text.see("insert")
- return "break"
-
- def remove_selection(self, event=None):
- self.text.tag_remove("sel", "1.0", "end")
- self.text.see("insert")
-
- def move_at_edge_if_selection(self, edge_index):
- """Cursor move begins at start or end of selection
-
- When a left/right cursor key is pressed create and return to Tkinter a
- function which causes a cursor move from the associated edge of the
- selection.
-
- """
- self_text_index = self.text.index
- self_text_mark_set = self.text.mark_set
- edges_table = ("sel.first+1c", "sel.last-1c")
- def move_at_edge(event):
- if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed
- try:
- self_text_index("sel.first")
- self_text_mark_set("insert", edges_table[edge_index])
- except TclError:
- pass
- return move_at_edge
-
- def del_word_left(self, event):
- self.text.event_generate('<Meta-Delete>')
- return "break"
-
- def del_word_right(self, event):
- self.text.event_generate('<Meta-d>')
- return "break"
-
- def find_event(self, event):
- SearchDialog.find(self.text)
- return "break"
-
- def find_again_event(self, event):
- SearchDialog.find_again(self.text)
- return "break"
-
- def find_selection_event(self, event):
- SearchDialog.find_selection(self.text)
- return "break"
-
- def find_in_files_event(self, event):
- GrepDialog.grep(self.text, self.io, self.flist)
- return "break"
-
- def replace_event(self, event):
- ReplaceDialog.replace(self.text)
- return "break"
-
- def goto_line_event(self, event):
- text = self.text
- lineno = tkSimpleDialog.askinteger("Goto",
- "Go to line number:",parent=text)
- if lineno is None:
- return "break"
- if lineno <= 0:
- text.bell()
- return "break"
- text.mark_set("insert", "%d.0" % lineno)
- text.see("insert")
-
- def open_module(self, event=None):
- # XXX Shouldn't this be in IOBinding?
- 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:
- spec = importlib.util.find_spec(name)
- except (ValueError, ImportError) as msg:
- tkMessageBox.showerror("Import error", str(msg), parent=self.text)
- return
- if spec is None:
- tkMessageBox.showerror("Import error", "module not found",
- parent=self.text)
- return
- if not isinstance(spec.loader, importlib.abc.SourceLoader):
- tkMessageBox.showerror("Import error", "not a source-based module",
- parent=self.text)
- return
- try:
- file_path = spec.loader.get_filename(name)
- except AttributeError:
- tkMessageBox.showerror("Import error",
- "loader does not support get_filename",
- parent=self.text)
- return
- if self.flist:
- self.flist.open(file_path)
- else:
- self.io.loadfile(file_path)
- return file_path
-
- def open_class_browser(self, event=None):
- filename = self.io.filename
- if not (self.__class__.__name__ == 'PyShellEditorWindow'
- and filename):
- filename = self.open_module()
- if filename is None:
- return
- head, tail = os.path.split(filename)
- base, ext = os.path.splitext(tail)
- from idlelib import ClassBrowser
- ClassBrowser.ClassBrowser(self.flist, base, [head])
-
- def open_path_browser(self, event=None):
- from idlelib import PathBrowser
- PathBrowser.PathBrowser(self.flist)
-
- def open_turtle_demo(self, event = None):
- import subprocess
-
- cmd = [sys.executable,
- '-c',
- 'from turtledemo.__main__ import main; main()']
- subprocess.Popen(cmd, shell=False)
-
- def gotoline(self, lineno):
- if lineno is not None and lineno > 0:
- self.text.mark_set("insert", "%d.0" % lineno)
- self.text.tag_remove("sel", "1.0", "end")
- self.text.tag_add("sel", "insert", "insert +1l")
- self.center()
-
- def ispythonsource(self, filename):
- if not filename or os.path.isdir(filename):
- return True
- base, ext = os.path.splitext(os.path.basename(filename))
- if os.path.normcase(ext) in (".py", ".pyw"):
- return True
- line = self.text.get('1.0', '1.0 lineend')
- return line.startswith('#!') and 'python' in line
-
- def close_hook(self):
- if self.flist:
- self.flist.unregister_maybe_terminate(self)
- self.flist = None
-
- def set_close_hook(self, close_hook):
- self.close_hook = close_hook
-
- def filename_change_hook(self):
- if self.flist:
- self.flist.filename_changed_edit(self)
- self.saved_change_hook()
- self.top.update_windowlist_registry(self)
- self.ResetColorizer()
-
- def _addcolorizer(self):
- if self.color:
- return
- if self.ispythonsource(self.io.filename):
- self.color = self.ColorDelegator()
- # can add more colorizers here...
- if self.color:
- self.per.removefilter(self.undo)
- self.per.insertfilter(self.color)
- self.per.insertfilter(self.undo)
-
- def _rmcolorizer(self):
- if not self.color:
- return
- self.color.removecolors()
- self.per.removefilter(self.color)
- self.color = None
-
- def ResetColorizer(self):
- "Update the color theme"
- # Called from self.filename_change_hook and from configDialog.py
- self._rmcolorizer()
- self._addcolorizer()
- theme = idleConf.CurrentTheme()
- normal_colors = idleConf.GetHighlight(theme, 'normal')
- cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
- select_colors = idleConf.GetHighlight(theme, 'hilite')
- self.text.config(
- foreground=normal_colors['foreground'],
- background=normal_colors['background'],
- insertbackground=cursor_color,
- selectforeground=select_colors['foreground'],
- selectbackground=select_colors['background'],
- )
- if TkVersion >= 8.5:
- self.text.config(
- inactiveselectbackground=select_colors['background'])
-
- IDENTCHARS = string.ascii_letters + string.digits + "_"
-
- def colorize_syntax_error(self, text, pos):
- text.tag_add("ERROR", pos)
- char = text.get(pos)
- if char and char in self.IDENTCHARS:
- text.tag_add("ERROR", pos + " wordstart", pos)
- if '\n' == text.get(pos): # error at line end
- text.mark_set("insert", pos)
- else:
- text.mark_set("insert", pos + "+1c")
- text.see(pos)
-
- def ResetFont(self):
- "Update the text widgets' font if it is changed"
- # Called from configDialog.py
-
- self.text['font'] = idleConf.GetFont(self.root, 'main','EditorWindow')
-
- def RemoveKeybindings(self):
- "Remove the keybindings before they are changed."
- # Called from configDialog.py
- self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
- for event, keylist in keydefs.items():
- self.text.event_delete(event, *keylist)
- for extensionName in self.get_standard_extension_names():
- xkeydefs = idleConf.GetExtensionBindings(extensionName)
- if xkeydefs:
- for event, keylist in xkeydefs.items():
- self.text.event_delete(event, *keylist)
-
- def ApplyKeybindings(self):
- "Update the keybindings after they are changed"
- # Called from configDialog.py
- self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
- self.apply_bindings()
- for extensionName in self.get_standard_extension_names():
- xkeydefs = idleConf.GetExtensionBindings(extensionName)
- if xkeydefs:
- self.apply_bindings(xkeydefs)
- #update menu accelerators
- menuEventDict = {}
- for menu in self.Bindings.menudefs:
- menuEventDict[menu[0]] = {}
- for item in menu[1]:
- if item:
- menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1]
- for menubarItem in self.menudict:
- menu = self.menudict[menubarItem]
- end = menu.index(END)
- if end is None:
- # Skip empty menus
- continue
- 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 menubarItem in menuEventDict:
- if itemName in menuEventDict[menubarItem]:
- event = menuEventDict[menubarItem][itemName]
- if event:
- accel = get_accelerator(keydefs, event)
- menu.entryconfig(index, accelerator=accel)
-
- def set_notabs_indentwidth(self):
- "Update the indentwidth if changed and not using tabs in this window"
- # Called from configDialog.py
- if not self.usetabs:
- self.indentwidth = idleConf.GetOption('main', 'Indent','num-spaces',
- type='int')
-
- def reset_help_menu_entries(self):
- "Update the additional help entries on the Help menu"
- help_list = idleConf.GetAllExtraHelpSourcesList()
- helpmenu = self.menudict['help']
- # first delete the extra help entries, if any
- helpmenu_length = helpmenu.index(END)
- if helpmenu_length > self.base_helpmenu_length:
- helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length)
- # then rebuild them
- if help_list:
- helpmenu.add_separator()
- for entry in help_list:
- cmd = self.__extra_help_callback(entry[1])
- helpmenu.add_command(label=entry[0], command=cmd)
- # and update the menu dictionary
- self.menudict['help'] = helpmenu
-
- def __extra_help_callback(self, helpfile):
- "Create a callback with the helpfile value frozen at definition time"
- def display_extra_help(helpfile=helpfile):
- if not helpfile.startswith(('www', 'http')):
- helpfile = os.path.normpath(helpfile)
- if sys.platform[:3] == 'win':
- try:
- os.startfile(helpfile)
- except OSError as why:
- tkMessageBox.showerror(title='Document Start Failure',
- message=str(why), parent=self.text)
- else:
- webbrowser.open(helpfile)
- return display_extra_help
-
- def update_recent_files_list(self, new_file=None):
- "Load and update the recent files list and menus"
- rf_list = []
- if os.path.exists(self.recent_files_path):
- with open(self.recent_files_path, 'r',
- encoding='utf_8', errors='replace') as rf_list_file:
- rf_list = rf_list_file.readlines()
- if new_file:
- new_file = os.path.abspath(new_file) + '\n'
- if new_file in rf_list:
- rf_list.remove(new_file) # move to top
- rf_list.insert(0, new_file)
- # clean and save the recent files list
- bad_paths = []
- for path in rf_list:
- if '\0' in path or not os.path.exists(path[0:-1]):
- bad_paths.append(path)
- rf_list = [path for path in rf_list if path not in bad_paths]
- ulchars = "1234567890ABCDEFGHIJK"
- rf_list = rf_list[0:len(ulchars)]
- try:
- with open(self.recent_files_path, 'w',
- encoding='utf_8', errors='replace') as rf_file:
- rf_file.writelines(rf_list)
- except OSError as err:
- if not getattr(self.root, "recentfilelist_error_displayed", False):
- self.root.recentfilelist_error_displayed = True
- tkMessageBox.showwarning(title='IDLE Warning',
- message="Cannot update File menu Recent Files list. "
- "Your operating system says:\n%s\n"
- "Select OK and IDLE will continue without updating."
- % self._filename_to_unicode(str(err)),
- parent=self.text)
- # for each edit window instance, construct the recent files menu
- for instance in self.top.instance_dict:
- menu = instance.recent_files_menu
- menu.delete(0, END) # clear, and rebuild:
- for i, file_name in enumerate(rf_list):
- file_name = file_name.rstrip() # zap \n
- # make unicode string to display non-ASCII chars correctly
- ufile_name = self._filename_to_unicode(file_name)
- callback = instance.__recent_file_callback(file_name)
- menu.add_command(label=ulchars[i] + " " + ufile_name,
- command=callback,
- underline=0)
-
- def __recent_file_callback(self, file_name):
- def open_recent_file(fn_closure=file_name):
- self.io.open(editFile=fn_closure)
- return open_recent_file
-
- def saved_change_hook(self):
- short = self.short_title()
- long = self.long_title()
- if short and long:
- title = short + " - " + long + _py_version
- 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)
- else:
- filename = "Untitled"
- # return unicode string to display non-ASCII chars correctly
- return self._filename_to_unicode(filename)
-
- def long_title(self):
- # return unicode string to display non-ASCII chars correctly
- return self._filename_to_unicode(self.io.filename or "")
-
- def center_insert_event(self, event):
- self.center()
-
- def center(self, mark="insert"):
- text = self.text
- top, bot = self.getwindowlines()
- lineno = self.getlineno(mark)
- height = bot - top
- newtop = max(1, lineno - height//2)
- text.yview(float(newtop))
-
- def getwindowlines(self):
- text = self.text
- top = self.getlineno("@0,0")
- bot = self.getlineno("@0,65535")
- if top == bot and text.winfo_height() == 1:
- # Geometry manager hasn't run yet
- height = int(text['height'])
- bot = top + height - 1
- return top, bot
-
- def getlineno(self, mark="insert"):
- text = self.text
- return int(float(text.index(mark)))
-
- def get_geometry(self):
- "Return (width, height, x, y)"
- geom = self.top.wm_geometry()
- m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
- return list(map(int, m.groups()))
-
- def close_event(self, event):
- self.close()
-
- def maybesave(self):
- if self.io:
- if not self.get_saved():
- if self.top.state()!='normal':
- self.top.deiconify()
- self.top.lower()
- self.top.lift()
- return self.io.maybesave()
-
- def close(self):
- reply = self.maybesave()
- if str(reply) != "cancel":
- self._close()
- return reply
-
- def _close(self):
- if self.io.filename:
- self.update_recent_files_list(new_file=self.io.filename)
- WindowList.unregister_callback(self.postwindowsmenu)
- self.unload_extensions()
- self.io.close()
- self.io = None
- self.undo = None
- if self.color:
- self.color.close(False)
- self.color = None
- self.text = None
- self.tkinter_vars = None
- self.per.close()
- self.per = None
- self.top.destroy()
- if self.close_hook:
- # unless override: unregister from flist, terminate if last window
- self.close_hook()
-
- def load_extensions(self):
- self.extensions = {}
- self.load_standard_extensions()
-
- def unload_extensions(self):
- for ins in list(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))
- traceback.print_exc()
-
- def get_standard_extension_names(self):
- return idleConf.GetExtensions(editor_only=True)
-
- def load_extension(self, name):
- try:
- try:
- mod = importlib.import_module('.' + name, package=__package__)
- except (ImportError, TypeError):
- mod = importlib.import_module(name)
- except ImportError:
- print("\nFailed to import extension: ", name)
- raise
- cls = getattr(mod, name)
- keydefs = idleConf.GetExtensionBindings(name)
- if hasattr(cls, "menudefs"):
- self.fill_menus(cls.menudefs, keydefs)
- ins = cls(self)
- self.extensions[name] = ins
- if keydefs:
- self.apply_bindings(keydefs)
- for vevent in keydefs:
- methodname = vevent.replace("-", "_")
- while methodname[:1] == '<':
- methodname = methodname[1:]
- while methodname[-1:] == '>':
- methodname = methodname[:-1]
- methodname = methodname + "_event"
- if hasattr(ins, methodname):
- self.text.bind(vevent, getattr(ins, methodname))
-
- def apply_bindings(self, keydefs=None):
- if keydefs is None:
- keydefs = self.Bindings.default_keydefs
- text = self.text
- text.keydefs = keydefs
- for event, keylist in keydefs.items():
- if keylist:
- text.event_add(event, *keylist)
-
- def fill_menus(self, menudefs=None, keydefs=None):
- """Add appropriate entries to the menus and submenus
-
- Menus that are absent or None in self.menudict are ignored.
- """
- if menudefs is None:
- menudefs = self.Bindings.menudefs
- if keydefs is None:
- keydefs = self.Bindings.default_keydefs
- menudict = self.menudict
- text = self.text
- for mname, entrylist in menudefs:
- menu = menudict.get(mname)
- if not menu:
- continue
- for entry in entrylist:
- if not entry:
- menu.add_separator()
- else:
- label, eventname = entry
- checkbutton = (label[:1] == '!')
- if checkbutton:
- label = label[1:]
- underline, label = prepstr(label)
- accelerator = get_accelerator(keydefs, eventname)
- def command(text=text, eventname=eventname):
- text.event_generate(eventname)
- if checkbutton:
- var = self.get_var_obj(eventname, BooleanVar)
- menu.add_checkbutton(label=label, underline=underline,
- command=command, accelerator=accelerator,
- variable=var)
- else:
- menu.add_command(label=label, underline=underline,
- command=command,
- accelerator=accelerator)
-
- def getvar(self, name):
- var = self.get_var_obj(name)
- if var:
- value = var.get()
- return value
- else:
- raise NameError(name)
-
- def setvar(self, name, value, vartype=None):
- var = self.get_var_obj(name, vartype)
- if var:
- var.set(value)
- else:
- raise NameError(name)
-
- def get_var_obj(self, name, vartype=None):
- var = self.tkinter_vars.get(name)
- if not var and vartype:
- # create a Tkinter variable object with self.text as master:
- self.tkinter_vars[name] = var = vartype(self.text)
- return var
-
- # Tk implementations of "virtual text methods" -- each platform
- # reusing IDLE's support code needs to define these for its GUI's
- # flavor of widget.
-
- # Is character at text_index in a Python string? Return 0 for
- # "guaranteed no", true for anything else. This info is expensive
- # to compute ab initio, but is probably already known by the
- # platform's colorizer.
-
- def is_char_in_string(self, text_index):
- if self.color:
- # Return true iff colorizer hasn't (re)gotten this far
- # yet, or the character is tagged as being in a string
- return self.text.tag_prevrange("TODO", text_index) or \
- "STRING" in self.text.tag_names(text_index)
- else:
- # The colorizer is missing: assume the worst
- return 1
-
- # If a selection is defined in the text widget, return (start,
- # end) as Tkinter text indices, otherwise return (None, None)
- def get_selection_indices(self):
- try:
- first = self.text.index("sel.first")
- last = self.text.index("sel.last")
- return first, last
- except TclError:
- return None, None
-
- # Return the text widget's current view of what a tab stop means
- # (equivalent width in spaces).
-
- def get_tk_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_tk_tabwidth(self, newtabwidth):
- text = self.text
- if self.get_tk_tabwidth() != newtabwidth:
- # Set text widget tab width
- pixels = text.tk.call("font", "measure", text["font"],
- "-displayof", text.master,
- "n" * newtabwidth)
- text.configure(tabs=pixels)
-
-### begin autoindent code ### (configuration was moved to beginning of class)
-
- def set_indentation_params(self, is_py_src, guess=True):
- if is_py_src and guess:
- i = self.guess_indent()
- if 2 <= i <= 8:
- self.indentwidth = i
- if self.indentwidth != self.tabwidth:
- self.usetabs = False
- self.set_tk_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....
- if self.context_use_ps1:
- last_line_of_prompt = sys.ps1.split('\n')[-1]
- else:
- last_line_of_prompt = ''
- ncharsdeleted = 0
- while 1:
- if chars == last_line_of_prompt:
- break
- chars = chars[:-1]
- ncharsdeleted = ncharsdeleted + 1
- have = len(chars.expandtabs(tabwidth))
- if have <= want or chars[-1] not in " \t":
- break
- text.undo_block_start()
- text.delete("insert-%dc" % ncharsdeleted, "insert")
- if have < want:
- text.insert("insert", ' ' * (want - have))
- text.undo_block_stop()
- return "break"
-
- def smart_indent_event(self, event):
- # if intraline selection:
- # delete it
- # elif multiline selection:
- # do indent-region
- # else:
- # indent one level
- text = self.text
- first, last = self.get_selection_indices()
- text.undo_block_start()
- try:
- if first and last:
- if index2line(first) != index2line(last):
- return self.indent_region_event(event)
- text.delete(first, last)
- text.mark_set("insert", first)
- prefix = text.get("insert linestart", "insert")
- raw, effective = classifyws(prefix, self.tabwidth)
- if raw == len(prefix):
- # only whitespace to the left
- self.reindent_to(effective + self.indentwidth)
- else:
- # tab to the next 'stop' within or to right of line's text:
- if self.usetabs:
- pad = '\t'
- else:
- effective = len(prefix.expandtabs(self.tabwidth))
- n = self.indentwidth
- pad = ' ' * (n - effective % n)
- text.insert("insert", pad)
- text.see("insert")
- return "break"
- finally:
- text.undo_block_stop()
-
- def newline_and_indent_event(self, event):
- text = self.text
- first, last = self.get_selection_indices()
- text.undo_block_start()
- try:
- if first and last:
- text.delete(first, last)
- text.mark_set("insert", first)
- line = text.get("insert linestart", "insert")
- i, n = 0, len(line)
- while i < n and line[i] in " \t":
- i = i+1
- if i == n:
- # the cursor is in or at leading indentation in a continuation
- # line; just inject an empty line at the start
- text.insert("insert linestart", '\n')
- return "break"
- indent = line[:i]
- # strip whitespace before insert point unless it's in the prompt
- i = 0
- last_line_of_prompt = sys.ps1.split('\n')[-1]
- while line and line[-1] in " \t" and line != last_line_of_prompt:
- line = line[:-1]
- i = i+1
- if i:
- text.delete("insert - %d chars" % i, "insert")
- # strip whitespace after insert point
- while text.get("insert") in " \t":
- text.delete("insert")
- # start new line
- text.insert("insert", '\n')
-
- # adjust indentation for continuations and block
- # open/close first need to find the last stmt
- lno = index2line(text.index('insert'))
- y = PyParse.Parser(self.indentwidth, self.tabwidth)
- if not self.context_use_ps1:
- for context in self.num_context_lines:
- startat = max(lno - context, 1)
- startatindex = repr(startat) + ".0"
- rawtext = text.get(startatindex, "insert")
- y.set_str(rawtext)
- bod = y.find_good_parse_start(
- self.context_use_ps1,
- self._build_char_in_string_func(startatindex))
- if bod is not None or startat == 1:
- break
- y.set_lo(bod or 0)
- else:
- r = text.tag_prevrange("console", "insert")
- if r:
- startatindex = r[1]
- else:
- startatindex = "1.0"
- rawtext = text.get(startatindex, "insert")
- y.set_str(rawtext)
- y.set_lo(0)
-
- c = y.get_continuation_type()
- if c != PyParse.C_NONE:
- # The current stmt hasn't ended yet.
- if c == PyParse.C_STRING_FIRST_LINE:
- # after the first line of a string; do not indent at all
- pass
- elif c == PyParse.C_STRING_NEXT_LINES:
- # inside a string which started before this line;
- # just mimic the current indent
- text.insert("insert", indent)
- elif c == PyParse.C_BRACKET:
- # line up with the first (if any) element of the
- # last open bracket structure; else indent one
- # level beyond the indent of the line with the
- # last open bracket
- self.reindent_to(y.compute_bracket_indent())
- elif c == PyParse.C_BACKSLASH:
- # if more than one line in this stmt already, just
- # mimic the current indent; else if initial line
- # has a start on an assignment stmt, indent to
- # beyond leftmost =; else to beyond first chunk of
- # non-whitespace on initial line
- if y.get_num_lines_in_stmt() > 1:
- text.insert("insert", indent)
- else:
- self.reindent_to(y.compute_backslash_indent())
- else:
- assert 0, "bogus continuation type %r" % (c,)
- return "break"
-
- # This line starts a brand new stmt; indent relative to
- # indentation of initial line of closest preceding
- # interesting stmt.
- indent = y.get_base_indent_string()
- text.insert("insert", indent)
- if y.is_block_opener():
- self.smart_indent_event(event)
- elif indent and y.is_block_closer():
- self.smart_backspace_event(event)
- return "break"
- finally:
- text.see("insert")
- text.undo_block_stop()
-
- # Our editwin provides an 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()
- if tabwidth is None: return
- 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()
- if tabwidth is None: return
- for pos in range(len(lines)):
- lines[pos] = lines[pos].expandtabs(tabwidth)
- self.set_region(head, tail, chars, lines)
-
- def toggle_tabs_event(self, event):
- if self.askyesno(
- "Toggle tabs",
- "Turn tabs " + ("on", "off")[self.usetabs] +
- "?\nIndent width " +
- ("will be", "remains at")[self.usetabs] + " 8." +
- "\n Note: a tab is always 8 columns",
- parent=self.text):
- self.usetabs = not self.usetabs
- # Try to prevent inconsistent indentation.
- # User must change indent width manually after using tabs.
- self.indentwidth = 8
- return "break"
-
- # XXX this isn't bound to anything -- see tabwidth comments
-## def change_tabwidth_event(self, event):
-## new = self._asktabwidth()
-## if new != self.tabwidth:
-## self.tabwidth = new
-## self.set_indentation_params(0, guess=0)
-## return "break"
-
- def change_indentwidth_event(self, event):
- new = self.askinteger(
- "Indent width",
- "New indent width (2-16)\n(Always use 8 when using tabs)",
- parent=self.text,
- initialvalue=self.indentwidth,
- minvalue=2,
- maxvalue=16)
- if new and new != self.indentwidth and not self.usetabs:
- self.indentwidth = new
- return "break"
-
- def get_region(self):
- text = self.text
- first, last = self.get_selection_indices()
- if first and last:
- head = text.index(first + " linestart")
- tail = text.index(last + "-1c lineend +1c")
- else:
- head = text.index("insert linestart")
- tail = text.index("insert lineend +1c")
- chars = text.get(head, tail)
- lines = chars.split("\n")
- return head, tail, chars, lines
-
- def set_region(self, head, tail, chars, lines):
- text = self.text
- newchars = "\n".join(lines)
- if newchars == chars:
- text.bell()
- return
- text.tag_remove("sel", "1.0", "end")
- text.mark_set("insert", head)
- text.undo_block_start()
- text.delete(head, tail)
- text.insert(head, newchars)
- text.undo_block_stop()
- text.tag_add("sel", head, "insert")
-
- # Make string that displays as n leading blanks.
-
- def _make_blanks(self, n):
- if self.usetabs:
- ntabs, nspaces = divmod(n, self.tabwidth)
- return '\t' * ntabs + ' ' * nspaces
- else:
- return ' ' * n
-
- # Delete from beginning of line to insert point, then reinsert
- # column logical (meaning use tabs if appropriate) spaces.
-
- def reindent_to(self, column):
- text = self.text
- text.undo_block_start()
- if text.compare("insert linestart", "!=", "insert"):
- text.delete("insert linestart", "insert")
- if column:
- text.insert("insert", self._make_blanks(column))
- text.undo_block_stop()
-
- def _asktabwidth(self):
- return self.askinteger(
- "Tab width",
- "Columns per tab? (2-16)",
- parent=self.text,
- initialvalue=self.indentwidth,
- minvalue=2,
- maxvalue=16)
-
- # Guess indentwidth from text content.
- # Return guessed indentwidth. This should not be believed unless
- # it's in a reasonable range (e.g., it will be 0 if no indented
- # blocks are found).
-
- def guess_indent(self):
- opener, indented = IndentSearcher(self.text, self.tabwidth).run()
- if opener and indented:
- raw, indentsmall = classifyws(opener, self.tabwidth)
- raw, indentlarge = classifyws(indented, self.tabwidth)
- else:
- indentsmall = indentlarge = 0
- return indentlarge - indentsmall
-
-# "line.col" -> line, as an int
-def index2line(index):
- return int(float(index))
-
-# Look at the leading whitespace in s.
-# Return pair (# of leading ws characters,
-# effective # of leading blanks after expanding
-# tabs to width tabwidth)
-
-def classifyws(s, tabwidth):
- raw = effective = 0
- for ch in s:
- if ch == ' ':
- raw = raw + 1
- effective = effective + 1
- elif ch == '\t':
- raw = raw + 1
- effective = (effective // tabwidth + 1) * tabwidth
- else:
- break
- return raw, effective
-
-import tokenize
-_tokenize = tokenize
-del tokenize
-
-class IndentSearcher(object):
-
- # .run() chews over the Text widget, looking for a block opener
- # and the stmt following it. Returns a pair,
- # (line containing block opener, line containing stmt)
- # Either or both may be None.
-
- def __init__(self, text, tabwidth):
- self.text = text
- self.tabwidth = tabwidth
- self.i = self.finished = 0
- self.blkopenline = self.indentedline = None
-
- def readline(self):
- if self.finished:
- return ""
- i = self.i = self.i + 1
- mark = repr(i) + ".0"
- if self.text.compare(mark, ">=", "end"):
- return ""
- return self.text.get(mark, mark + " lineend+1c")
-
- def tokeneater(self, type, token, start, end, line,
- INDENT=_tokenize.INDENT,
- NAME=_tokenize.NAME,
- OPENERS=('class', 'def', 'for', 'if', 'try', 'while')):
- if self.finished:
- pass
- elif type == NAME and token in OPENERS:
- self.blkopenline = line
- elif type == INDENT and self.blkopenline:
- self.indentedline = line
- self.finished = 1
-
- def run(self):
- save_tabsize = _tokenize.tabsize
- _tokenize.tabsize = self.tabwidth
- try:
- try:
- tokens = _tokenize.generate_tokens(self.readline)
- for token in tokens:
- self.tokeneater(*token)
- except (_tokenize.TokenError, SyntaxError):
- # since we cut off the tokenizer early, we can trigger
- # spurious errors
- pass
- finally:
- _tokenize.tabsize = save_tabsize
- return self.blkopenline, self.indentedline
-
-### end autoindent code ###
-
-def prepstr(s):
- # Helper to extract the underscore from a string, e.g.
- # prepstr("Co_py") returns (2, "Copy").
- i = s.find('_')
- if i >= 0:
- s = s[:i] + s[i+1:]
- return i, s
-
-
-keynames = {
- 'bracketleft': '[',
- 'bracketright': ']',
- 'slash': '/',
-}
-
-def get_accelerator(keydefs, eventname):
- keylist = keydefs.get(eventname)
- # issue10940: temporary workaround to prevent hang with OS X Cocoa Tk 8.5
- # if not keylist:
- if (not keylist) or (macosxSupport.isCocoaTk() and eventname in {
- "<<open-module>>",
- "<<goto-line>>",
- "<<change-indentwidth>>"}):
- 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 _editor_window(parent): # htest #
- # error if close master window first - timer event, after script
- root = parent
- fixwordbreaks(root)
- if sys.argv[1:]:
- filename = sys.argv[1]
- else:
- filename = None
- macosxSupport.setupApp(root, None)
- edit = EditorWindow(root=root, filename=filename)
- edit.text.bind("<<close-all-windows>>", edit.close_event)
- # Does not stop error, neither does following
- # edit.text.bind("<<close-window>>", edit.close_event)
-
-if __name__ == '__main__':
- from idlelib.idle_test.htest import run
- run(_editor_window)