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CREDITS.txt
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ChangeLog
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HISTORY.txt
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NEWS2x.txt
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README.txt
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__init__.py
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__main__.py
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autocomplete.py
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autocomplete_w.py
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autoexpand.py
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browser.py
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calltip.py
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calltip_w.py
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codecontext.py
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colorizer.py
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config-extensions.def
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config-highlight.def
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config-keys.def
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config-main.def
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config.py
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config_key.py
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configdialog.py
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debugger.py
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debugger_r.py
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debugobj.py
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debugobj_r.py
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delegator.py
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dynoption.py
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editor.py
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extend.txt
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filelist.py
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format.py
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grep.py
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help.html
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help.py
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help_about.py
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history.py
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hyperparser.py
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idle.bat
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idle.py
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idle.pyw
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iomenu.py
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macosx.py
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mainmenu.py
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multicall.py
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outwin.py
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parenmatch.py
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pathbrowser.py
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percolator.py
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pyparse.py
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pyshell.py
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query.py
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redirector.py
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replace.py
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run.py
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runscript.py
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scrolledlist.py
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search.py
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searchbase.py
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searchengine.py
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sidebar.py
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squeezer.py
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stackviewer.py
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statusbar.py
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textview.py
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tooltip.py
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tree.py
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undo.py
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util.py
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window.py
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zoomheight.py
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zzdummy.py
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Code Editor : editor.py
import importlib.abc import importlib.util import os import platform import re import string import sys import tokenize import traceback import webbrowser from tkinter import * from tkinter.font import Font from tkinter.ttk import Scrollbar from tkinter import simpledialog from tkinter import messagebox from idlelib.config import idleConf from idlelib import configdialog from idlelib import grep from idlelib import help from idlelib import help_about from idlelib import macosx from idlelib.multicall import MultiCallCreator from idlelib import pyparse from idlelib import query from idlelib import replace from idlelib import search from idlelib.tree import wheel_event from idlelib.util import py_extensions from idlelib import window # The default tab setting for a Text widget, in average-width characters. TK_TABWIDTH_DEFAULT = 8 _py_version = ' (%s)' % platform.python_version() darwin = sys.platform == 'darwin' 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 # TODO remove unneeded function since .chm no longer installed release = f'{major}{minor}' release += f'{micro}' if level == 'candidate': release += f'rc{serial}' elif level != 'final': release += f'{level[0]}{serial}' return release class EditorWindow: from idlelib.percolator import Percolator from idlelib.colorizer import ColorDelegator, color_config from idlelib.undo import UndoDelegator from idlelib.iomenu import IOBinding, encoding from idlelib import mainmenu from idlelib.statusbar import MultiStatusBar from idlelib.autocomplete import AutoComplete from idlelib.autoexpand import AutoExpand from idlelib.calltip import Calltip from idlelib.codecontext import CodeContext from idlelib.sidebar import LineNumbers from idlelib.format import FormatParagraph, FormatRegion, Indents, Rstrip from idlelib.parenmatch import ParenMatch from idlelib.zoomheight import ZoomHeight filesystemencoding = sys.getfilesystemencoding() # for file names help_url = None allow_code_context = True allow_line_numbers = True user_input_insert_tags = None def __init__(self, flist=None, filename=None, key=None, root=None): # Delay import: runscript imports pyshell imports EditorWindow. from idlelib.runscript import ScriptBinding 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': import winreg # Windows only, block only executed once. docfile = '' KEY = (rf"Software\Python\PythonCore\{sys.winver}" r"\Help\Main Python Documentation") try: docfile = winreg.QueryValue(winreg.HKEY_CURRENT_USER, KEY) except FileNotFoundError: try: docfile = winreg.QueryValue(winreg.HKEY_LOCAL_MACHINE, KEY) except FileNotFoundError: pass if os.path.isfile(docfile): dochome = docfile 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 self.menubar = Menu(root) self.top = top = window.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 = idleConf.userdir and os.path.join( idleConf.userdir, 'recent-files.lst') self.prompt_last_line = '' # Override in PyShell self.text_frame = text_frame = Frame(top) self.vbar = vbar = Scrollbar(text_frame, name='vbar') width = idleConf.GetOption('main', 'EditorWindow', 'width', type='int') text_options = { 'name': 'text', 'padx': 5, 'wrap': 'none', 'highlightthickness': 0, 'width': width, 'tabstyle': 'wordprocessor', # new in 8.5 'height': idleConf.GetOption( 'main', 'EditorWindow', 'height', type='int'), } 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 macosx.isAquaTk(): # Command-W on editor windows 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('<MouseWheel>', wheel_event) if text._windowingsystem == 'x11': text.bind('<Button-4>', wheel_event) text.bind('<Button-5>', wheel_event) text.bind('<Configure>', self.handle_winconfig) 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_event) 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) self.fregion = fregion = self.FormatRegion(self) # self.fregion used in smart_indent_event to access indent_region. text.bind("<<indent-region>>", fregion.indent_region_event) text.bind("<<dedent-region>>", fregion.dedent_region_event) text.bind("<<comment-region>>", fregion.comment_region_event) text.bind("<<uncomment-region>>", fregion.uncomment_region_event) text.bind("<<tabify-region>>", fregion.tabify_region_event) text.bind("<<untabify-region>>", fregion.untabify_region_event) indents = self.Indents(self) text.bind("<<toggle-tabs>>", indents.toggle_tabs_event) text.bind("<<change-indentwidth>>", indents.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_module_browser) text.bind("<<open-path-browser>>", self.open_path_browser) text.bind("<<open-turtle-demo>>", self.open_turtle_demo) self.set_status_bar() text_frame.pack(side=LEFT, fill=BOTH, expand=1) text_frame.rowconfigure(1, weight=1) text_frame.columnconfigure(1, weight=1) vbar['command'] = self.handle_yview vbar.grid(row=1, column=2, sticky=NSEW) text['yscrollcommand'] = vbar.set text['font'] = idleConf.GetFont(self.root, 'main', 'EditorWindow') text.grid(row=1, column=1, sticky=NSEW) text.focus_set() self.set_width() # 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() # Store the current value of the insertofftime now so we can restore # it if needed. if not hasattr(idleConf, 'blink_off_time'): idleConf.blink_off_time = self.text['insertofftime'] self.update_cursor_blink() # 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 self.code_context = None # optionally initialized later below self.line_numbers = None # optionally initialized later below 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('window') 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 window.register_callback(self.postwindowsmenu) # Some abstractions so IDLE extensions are cross-IDE self.askinteger = simpledialog.askinteger self.askyesno = messagebox.askyesno self.showerror = messagebox.showerror # Add pseudoevents for former extension fixed keys. # (This probably needs to be done once in the process.) text.event_add('<<autocomplete>>', '<Key-Tab>') text.event_add('<<try-open-completions>>', '<KeyRelease-period>', '<KeyRelease-slash>', '<KeyRelease-backslash>') text.event_add('<<try-open-calltip>>', '<KeyRelease-parenleft>') text.event_add('<<refresh-calltip>>', '<KeyRelease-parenright>') text.event_add('<<paren-closed>>', '<KeyRelease-parenright>', '<KeyRelease-bracketright>', '<KeyRelease-braceright>') # Former extension bindings depends on frame.text being packed # (called from self.ResetColorizer()). autocomplete = self.AutoComplete(self, self.user_input_insert_tags) text.bind("<<autocomplete>>", autocomplete.autocomplete_event) text.bind("<<try-open-completions>>", autocomplete.try_open_completions_event) text.bind("<<force-open-completions>>", autocomplete.force_open_completions_event) text.bind("<<expand-word>>", self.AutoExpand(self).expand_word_event) text.bind("<<format-paragraph>>", self.FormatParagraph(self).format_paragraph_event) parenmatch = self.ParenMatch(self) text.bind("<<flash-paren>>", parenmatch.flash_paren_event) text.bind("<<paren-closed>>", parenmatch.paren_closed_event) scriptbinding = ScriptBinding(self) text.bind("<<check-module>>", scriptbinding.check_module_event) text.bind("<<run-module>>", scriptbinding.run_module_event) text.bind("<<run-custom>>", scriptbinding.run_custom_event) text.bind("<<do-rstrip>>", self.Rstrip(self).do_rstrip) self.ctip = ctip = self.Calltip(self) text.bind("<<try-open-calltip>>", ctip.try_open_calltip_event) #refresh-calltip must come after paren-closed to work right text.bind("<<refresh-calltip>>", ctip.refresh_calltip_event) text.bind("<<force-open-calltip>>", ctip.force_open_calltip_event) text.bind("<<zoom-height>>", self.ZoomHeight(self).zoom_height_event) if self.allow_code_context: self.code_context = self.CodeContext(self) text.bind("<<toggle-code-context>>", self.code_context.toggle_code_context_event) else: self.update_menu_state('options', '*ode*ontext', 'disabled') if self.allow_line_numbers: self.line_numbers = self.LineNumbers(self) if idleConf.GetOption('main', 'EditorWindow', 'line-numbers-default', type='bool'): self.toggle_line_numbers_event() text.bind("<<toggle-line-numbers>>", self.toggle_line_numbers_event) else: self.update_menu_state('options', '*ine*umbers', 'disabled') def handle_winconfig(self, event=None): self.set_width() def set_width(self): text = self.text inner_padding = sum(map(text.tk.getint, [text.cget('border'), text.cget('padx')])) pixel_width = text.winfo_width() - 2 * inner_padding # Divide the width of the Text widget by the font width, # which is taken to be the width of '0' (zero). # http://www.tcl.tk/man/tcl8.6/TkCmd/text.htm#M21 zero_char_width = \ Font(text, font=text.cget('font')).measure('0') self.width = pixel_width // zero_char_width 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 None 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 definitions and functions. * self.menubar - the always visible horizontal menu bar. * mainmenu.menudefs - a list of tuples, one for each menubar item. Each tuple pairs a lower-case name and list of dropdown items. Each item is a name, virtual event pair or None for separator. * mainmenu.default_keydefs - maps events to keys. * text.keydefs - same. * cls.menu_specs - menubar name, titlecase display form pairs with Alt-hotkey indicator. A subset of menudefs items. * self.menudict - map menu name to dropdown menu. * self.recent_files_menu - 2nd level cascade in the file cascade. * self.wmenu_end - set in __init__ (purpose unclear). createmenubar, postwindowsmenu, update_menu_label, update_menu_state, ApplyKeybings (2nd part), reset_help_menu_entries, _extra_help_callback, update_recent_files_list, apply_bindings, fill_menus, (other functions?) """ menu_specs = [ ("file", "_File"), ("edit", "_Edit"), ("format", "F_ormat"), ("run", "_Run"), ("options", "_Options"), ("window", "_Window"), ("help", "_Help"), ] def createmenubar(self): """Populate the menu bar widget for the editor window. Each option on the menubar is itself a cascade-type Menu widget with the menubar as the parent. The names, labels, and menu shortcuts for the menubar items are stored in menu_specs. Each submenu is subsequently populated in fill_menus(), except for 'Recent Files' which is added to the File menu here. Instance variables: menubar: Menu widget containing first level menu items. menudict: Dictionary of {menuname: Menu instance} items. The keys represent the valid menu items for this window and may be a subset of all the menudefs available. recent_files_menu: Menu widget contained within the 'file' menudict. """ mbar = self.menubar self.menudict = menudict = {} for name, label in self.menu_specs: underline, label = prepstr(label) postcommand = getattr(self, f'{name}_menu_postcommand', None) menudict[name] = menu = Menu(mbar, name=name, tearoff=0, postcommand=postcommand) mbar.add_cascade(label=label, menu=menu, underline=underline) if macosx.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): """Callback to register window. Only called when Window menu exists. """ menu = self.menudict['window'] end = menu.index("end") if end is None: end = -1 if end > self.wmenu_end: menu.delete(self.wmenu_end+1, end) window.add_windows_to_menu(menu) def update_menu_label(self, menu, index, label): "Update label for menu item at index." menuitem = self.menudict[menu] menuitem.entryconfig(index, label=label) def update_menu_state(self, menu, index, state): "Update state for menu item at index." menuitem = self.menudict[menu] menuitem.entryconfig(index, state=state) def handle_yview(self, event, *args): "Handle scrollbar." if event == 'moveto': fraction = float(args[0]) lines = (round(self.getlineno('end') * fraction) - self.getlineno('@0,0')) event = 'scroll' args = (lines, 'units') self.text.yview(event, *args) return 'break' rmenu = None def right_menu_event(self, event): text = self.text newdex = text.index(f'@{event.x},{event.y}') try: in_selection = (text.compare('sel.first', '<=', newdex) and text.compare(newdex, '<=', 'sel.last')) except TclError: in_selection = False if not in_selection: text.tag_remove("sel", "1.0", "end") text.mark_set("insert", newdex) if not self.rmenu: self.make_rmenu() rmenu = self.rmenu self.event = event iswin = sys.platform[:3] == 'win' if iswin: 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") return "break" 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 macosx.overrideRootMenu.about_dialog. help_about.AboutDialog(self.top) return "break" def config_dialog(self, event=None): "Handle Options 'Configure IDLE' event." # Synchronize with macosx.overrideRootMenu.config_dialog. configdialog.ConfigDialog(self.top,'Settings') return "break" def help_dialog(self, event=None): "Handle Help 'IDLE Help' event." # Synchronize with macosx.overrideRootMenu.help_dialog. if self.root: parent = self.root else: parent = self.top help.show_idlehelp(parent) return "break" def python_docs(self, event=None): if sys.platform[:3] == 'win': try: os.startfile(self.help_url) except OSError as why: messagebox.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 None 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") return "break" 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): search.find(self.text) return "break" def find_again_event(self, event): search.find_again(self.text) return "break" def find_selection_event(self, event): search.find_selection(self.text) return "break" def find_in_files_event(self, event): grep.grep(self.text, self.io, self.flist) return "break" def replace_event(self, event): replace.replace(self.text) return "break" def goto_line_event(self, event): text = self.text lineno = query.Goto( text, "Go To Line", "Enter a positive integer\n" "('big' = end of file):" ).result if lineno is not None: text.tag_remove("sel", "1.0", "end") text.mark_set("insert", f'{lineno}.0') text.see("insert") self.set_line_and_column() return "break" def open_module(self): """Get module name from user and open it. Return module path or None for calls by open_module_browser when latter is not invoked in named editor window. """ # XXX This, open_module_browser, and open_path_browser # would fit better in iomenu.IOBinding. try: name = self.text.get("sel.first", "sel.last").strip() except TclError: name = '' file_path = query.ModuleName( self.text, "Open Module", "Enter the name of a Python module\n" "to search on sys.path and open:", name).result if file_path is not None: if self.flist: self.flist.open(file_path) else: self.io.loadfile(file_path) return file_path def open_module_event(self, event): self.open_module() return "break" def open_module_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 "break" from idlelib import browser browser.ModuleBrowser(self.root, filename) return "break" def open_path_browser(self, event=None): from idlelib import pathbrowser pathbrowser.PathBrowser(self.root) return "break" def open_turtle_demo(self, event = None): import subprocess cmd = [sys.executable, '-c', 'from turtledemo.__main__ import main; main()'] subprocess.Popen(cmd, shell=False) return "break" 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_extensions: 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.insertfilterafter(filter=self.color, after=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() EditorWindow.color_config(self.text) if self.code_context is not None: self.code_context.update_highlight_colors() if self.line_numbers is not None: self.line_numbers.update_colors() 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 update_cursor_blink(self): "Update the cursor blink configuration." cursorblink = idleConf.GetOption( 'main', 'EditorWindow', 'cursor-blink', type='bool') if not cursorblink: self.text['insertofftime'] = 0 else: # Restore the original value self.text['insertofftime'] = idleConf.blink_off_time def ResetFont(self): "Update the text widgets' font if it is changed" # Called from configdialog.py # Update the code context widget first, since its height affects # the height of the text widget. This avoids double re-rendering. if self.code_context is not None: self.code_context.update_font() # Next, update the line numbers widget, since its width affects # the width of the text widget. if self.line_numbers is not None: self.line_numbers.update_font() # Finally, update the main text widget. new_font = idleConf.GetFont(self.root, 'main', 'EditorWindow') self.text['font'] = new_font self.set_width() def RemoveKeybindings(self): """Remove the virtual, configurable keybindings. Leaves the default Tk Text keybindings. """ # Called from configdialog.deactivate_current_config. self.mainmenu.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): """Apply the virtual, configurable keybindings. Also update hotkeys to current keyset. """ # Called from configdialog.activate_config_changes. self.mainmenu.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.mainmenu.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, resource): """Return a callback that loads resource (file or web page).""" def display_extra_help(helpfile=resource): if not helpfile.startswith(('www', 'http')): helpfile = os.path.normpath(helpfile) if sys.platform[:3] == 'win': try: os.startfile(helpfile) except OSError as why: messagebox.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" # TODO: move to iomenu. rf_list = [] file_path = self.recent_files_path if file_path and os.path.exists(file_path): with open(file_path, 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)] if file_path: try: with open(file_path, 'w', encoding='utf_8', errors='replace') as rf_file: rf_file.writelines(rf_list) except OSError as err: if not getattr(self.root, "recentfiles_message", False): self.root.recentfiles_message = True messagebox.showwarning(title='IDLE Warning', message="Cannot save Recent Files list to disk.\n" f" {err}\n" "Select OK to continue.", 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 callback = instance.__recent_file_callback(file_name) menu.add_command(label=ulchars[i] + " " + file_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 and not macosx.isCocoaTk(): # Don't use both values on macOS because # that doesn't match platform conventions. 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) if macosx.isCocoaTk(): # Add a proxy icon to the window title self.top.wm_attributes("-titlepath", long) # Maintain the modification status for the window self.top.wm_attributes("-modified", not self.get_saved()) 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 return os.path.basename(filename) if filename else "untitled" def long_title(self): return self.io.filename or "" def center_insert_event(self, event): self.center() return "break" 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() return "break" 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): try: reply = self.maybesave() if str(reply) != "cancel": self._close() return reply except AttributeError: # bpo-35379: close called twice pass def _close(self): if self.io.filename: self.update_recent_files_list(new_file=self.io.filename) window.unregister_callback(self.postwindowsmenu) self.unload_extensions() self.io.close() self.io = None self.undo = None if self.color: self.color.close() 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) extfiles = { # Map built-in config-extension section names to file names. 'ZzDummy': 'zzdummy', } def load_extension(self, name): fname = self.extfiles.get(name, name) try: try: mod = importlib.import_module('.' + fname, package=__package__) except (ImportError, TypeError): mod = importlib.import_module(fname) 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): """Add events with keys to self.text.""" if keydefs is None: keydefs = self.mainmenu.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): """Fill in dropdown menus used by this window. Items whose name begins with '!' become checkbuttons. Other names indicate commands. None becomes a separator. """ if menudefs is None: menudefs = self.mainmenu.menudefs if keydefs is None: keydefs = self.mainmenu.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 entry is None: 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, eventname, vartype=None): """Return a tkinter variable instance for the event. """ var = self.tkinter_vars.get(eventname) if not var and vartype: # Create a Tkinter variable object. self.tkinter_vars[eventname] = 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.... ncharsdeleted = 0 while True: 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), self.user_input_insert_tags) 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.fregion.indent_region_event(event) text.delete(first, last) text.mark_set("insert", first) prefix = text.get("insert linestart", "insert") raw, effective = get_line_indent(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, self.user_input_insert_tags) text.see("insert") return "break" finally: text.undo_block_stop() def newline_and_indent_event(self, event): """Insert a newline and indentation after Enter keypress event. Properly position the cursor on the new line based on information from the current line. This takes into account if the current line is a shell prompt, is empty, has selected text, contains a block opener, contains a block closer, is a continuation line, or is inside a string. """ text = self.text first, last = self.get_selection_indices() text.undo_block_start() try: # Close undo block and expose new line in finally clause. if first and last: text.delete(first, last) text.mark_set("insert", first) line = text.get("insert linestart", "insert") # Count leading whitespace for indent size. i, n = 0, len(line) while i < n and line[i] in " \t": 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', self.user_input_insert_tags) return "break" indent = line[:i] # Strip whitespace before insert point unless it's in the prompt. i = 0 while line and line[-1] in " \t": line = line[:-1] 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") # Insert new line. text.insert("insert", '\n', self.user_input_insert_tags) # Adjust indentation for continuations and block open/close. # First need to find the last statement. lno = index2line(text.index('insert')) y = pyparse.Parser(self.indentwidth, self.tabwidth) if not self.prompt_last_line: for context in self.num_context_lines: startat = max(lno - context, 1) startatindex = repr(startat) + ".0" rawtext = text.get(startatindex, "insert") y.set_code(rawtext) bod = y.find_good_parse_start( 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_code(rawtext) y.set_lo(0) c = y.get_continuation_type() if c != pyparse.C_NONE: # The current statement 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, self.user_input_insert_tags) 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 statement 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, self.user_input_insert_tags) else: self.reindent_to(y.compute_backslash_indent()) else: assert 0, f"bogus continuation type {c!r}" return "break" # This line starts a brand new statement; indent relative to # indentation of initial line of closest preceding # interesting statement. indent = y.get_base_indent_string() text.insert("insert", indent, self.user_input_insert_tags) 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 # 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" # 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), self.user_input_insert_tags) text.undo_block_stop() # 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).run() if opener and indented: raw, indentsmall = get_line_indent(opener, self.tabwidth) raw, indentlarge = get_line_indent(indented, self.tabwidth) else: indentsmall = indentlarge = 0 return indentlarge - indentsmall def toggle_line_numbers_event(self, event=None): if self.line_numbers is None: return if self.line_numbers.is_shown: self.line_numbers.hide_sidebar() menu_label = "Show" else: self.line_numbers.show_sidebar() menu_label = "Hide" self.update_menu_label(menu='options', index='*ine*umbers', label=f'{menu_label} Line Numbers') # "line.col" -> line, as an int def index2line(index): return int(float(index)) _line_indent_re = re.compile(r'[ \t]*') def get_line_indent(line, tabwidth): """Return a line's indentation as (# chars, effective # of spaces). The effective # of spaces is the length after properly "expanding" the tabs into spaces, as done by str.expandtabs(tabwidth). """ m = _line_indent_re.match(line) return m.end(), len(m.group().expandtabs(tabwidth)) class IndentSearcher: "Manage initial indent guess, returned by run method." def __init__(self, text): self.text = text 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', 'match', 'try', 'while', 'with')): 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): """Return 2 lines containing block opener and and indent. Either the indent line or both may be None. """ try: tokens = tokenize.generate_tokens(self.readline) for token in tokens: self.tokeneater(*token) except (tokenize.TokenError, SyntaxError): # Stopping the tokenizer early can trigger spurious errors. pass return self.blkopenline, self.indentedline ### end autoindent code ### def prepstr(s): """Extract the underscore from a string. For example, prepstr("Co_py") returns (2, "Copy"). Args: s: String with underscore. Returns: Tuple of (position of underscore, string without underscore). """ i = s.find('_') if i >= 0: s = s[:i] + s[i+1:] return i, s keynames = { 'bracketleft': '[', 'bracketright': ']', 'slash': '/', } def get_accelerator(keydefs, eventname): """Return a formatted string for the keybinding of an event. Convert the first keybinding for a given event to a form that can be displayed as an accelerator on the menu. Args: keydefs: Dictionary of valid events to keybindings. eventname: Event to retrieve keybinding for. Returns: Formatted string of the keybinding. """ keylist = keydefs.get(eventname) # issue10940: temporary workaround to prevent hang with OS X Cocoa Tk 8.5 # if not keylist: if (not keylist) or (macosx.isCocoaTk() and eventname in { "<<open-module>>", "<<goto-line>>", "<<change-indentwidth>>"}): return "" s = keylist[0] # Convert strings of the form -singlelowercase to -singleuppercase. s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s) # Convert certain keynames to their symbol. s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s) # Remove Key- from string. s = re.sub("Key-", "", s) # Convert Cancel to Ctrl-Break. s = re.sub("Cancel", "Ctrl-Break", s) # dscherer@cmu.edu # Convert Control to Ctrl-. s = re.sub("Control-", "Ctrl-", s) # Change - to +. s = re.sub("-", "+", s) # Change >< to space. s = re.sub("><", " ", s) # Remove <. s = re.sub("<", "", s) # Remove >. s = re.sub(">", "", s) return s def fixwordbreaks(root): # On Windows, tcl/tk breaks 'words' only on spaces, as in Command Prompt. # We want Motif style everywhere. See #21474, msg218992 and followup. tk = root.tk tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded tk.call('set', 'tcl_wordchars', r'\w') tk.call('set', 'tcl_nonwordchars', r'\W') 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 macosx.setupApp(root, None) edit = EditorWindow(root=root, filename=filename) text = edit.text text['height'] = 10 for i in range(20): text.insert('insert', ' '*i + str(i) + '\n') # 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 unittest import main main('idlelib.idle_test.test_editor', verbosity=2, exit=False) from idlelib.idle_test.htest import run run(_editor_window)
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