mirror of https://github.com/python/cpython
1673 lines
64 KiB
Python
1673 lines
64 KiB
Python
import importlib.abc
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import importlib.util
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import os
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import platform
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import re
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import string
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import sys
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import tokenize
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import traceback
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import webbrowser
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from tkinter import *
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from tkinter.font import Font
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from tkinter.ttk import Scrollbar
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from tkinter import simpledialog
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from tkinter import messagebox
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from idlelib.config import idleConf
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from idlelib import configdialog
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from idlelib import grep
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from idlelib import help
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from idlelib import help_about
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from idlelib import macosx
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from idlelib.multicall import MultiCallCreator
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from idlelib import pyparse
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from idlelib import query
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from idlelib import replace
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from idlelib import search
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from idlelib.tree import wheel_event
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from idlelib import window
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# The default tab setting for a Text widget, in average-width characters.
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TK_TABWIDTH_DEFAULT = 8
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_py_version = ' (%s)' % platform.python_version()
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darwin = sys.platform == 'darwin'
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def _sphinx_version():
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"Format sys.version_info to produce the Sphinx version string used to install the chm docs"
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major, minor, micro, level, serial = sys.version_info
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release = '%s%s' % (major, minor)
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release += '%s' % (micro,)
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if level == 'candidate':
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release += 'rc%s' % (serial,)
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elif level != 'final':
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release += '%s%s' % (level[0], serial)
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return release
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class EditorWindow:
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from idlelib.percolator import Percolator
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from idlelib.colorizer import ColorDelegator, color_config
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from idlelib.undo import UndoDelegator
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from idlelib.iomenu import IOBinding, encoding
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from idlelib import mainmenu
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from idlelib.statusbar import MultiStatusBar
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from idlelib.autocomplete import AutoComplete
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from idlelib.autoexpand import AutoExpand
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from idlelib.calltip import Calltip
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from idlelib.codecontext import CodeContext
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from idlelib.sidebar import LineNumbers
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from idlelib.format import FormatParagraph, FormatRegion, Indents, Rstrip
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from idlelib.parenmatch import ParenMatch
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from idlelib.zoomheight import ZoomHeight
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filesystemencoding = sys.getfilesystemencoding() # for file names
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help_url = None
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allow_code_context = True
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allow_line_numbers = True
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user_input_insert_tags = None
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def __init__(self, flist=None, filename=None, key=None, root=None):
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# Delay import: runscript imports pyshell imports EditorWindow.
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from idlelib.runscript import ScriptBinding
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if EditorWindow.help_url is None:
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dochome = os.path.join(sys.base_prefix, 'Doc', 'index.html')
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if sys.platform.count('linux'):
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# look for html docs in a couple of standard places
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pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
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if os.path.isdir('/var/www/html/python/'): # "python2" rpm
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dochome = '/var/www/html/python/index.html'
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else:
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basepath = '/usr/share/doc/' # standard location
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dochome = os.path.join(basepath, pyver,
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'Doc', 'index.html')
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elif sys.platform[:3] == 'win':
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chmfile = os.path.join(sys.base_prefix, 'Doc',
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'Python%s.chm' % _sphinx_version())
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if os.path.isfile(chmfile):
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dochome = chmfile
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elif sys.platform == 'darwin':
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# documentation may be stored inside a python framework
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dochome = os.path.join(sys.base_prefix,
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'Resources/English.lproj/Documentation/index.html')
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dochome = os.path.normpath(dochome)
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if os.path.isfile(dochome):
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EditorWindow.help_url = dochome
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if sys.platform == 'darwin':
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# Safari requires real file:-URLs
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EditorWindow.help_url = 'file://' + EditorWindow.help_url
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else:
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EditorWindow.help_url = ("https://docs.python.org/%d.%d/"
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% sys.version_info[:2])
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self.flist = flist
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root = root or flist.root
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self.root = root
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self.menubar = Menu(root)
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self.top = top = window.ListedToplevel(root, menu=self.menubar)
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if flist:
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self.tkinter_vars = flist.vars
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#self.top.instance_dict makes flist.inversedict available to
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#configdialog.py so it can access all EditorWindow instances
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self.top.instance_dict = flist.inversedict
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else:
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self.tkinter_vars = {} # keys: Tkinter event names
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# values: Tkinter variable instances
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self.top.instance_dict = {}
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self.recent_files_path = idleConf.userdir and os.path.join(
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idleConf.userdir, 'recent-files.lst')
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self.prompt_last_line = '' # Override in PyShell
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self.text_frame = text_frame = Frame(top)
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self.vbar = vbar = Scrollbar(text_frame, name='vbar')
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width = idleConf.GetOption('main', 'EditorWindow', 'width', type='int')
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text_options = {
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'name': 'text',
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'padx': 5,
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'wrap': 'none',
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'highlightthickness': 0,
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'width': width,
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'tabstyle': 'wordprocessor', # new in 8.5
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'height': idleConf.GetOption(
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'main', 'EditorWindow', 'height', type='int'),
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}
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self.text = text = MultiCallCreator(Text)(text_frame, **text_options)
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self.top.focused_widget = self.text
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self.createmenubar()
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self.apply_bindings()
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self.top.protocol("WM_DELETE_WINDOW", self.close)
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self.top.bind("<<close-window>>", self.close_event)
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if macosx.isAquaTk():
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# Command-W on editor windows doesn't work without this.
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text.bind('<<close-window>>', self.close_event)
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# Some OS X systems have only one mouse button, so use
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# control-click for popup context menus there. For two
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# buttons, AquaTk defines <2> as the right button, not <3>.
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text.bind("<Control-Button-1>",self.right_menu_event)
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text.bind("<2>", self.right_menu_event)
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else:
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# Elsewhere, use right-click for popup menus.
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text.bind("<3>",self.right_menu_event)
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text.bind('<MouseWheel>', wheel_event)
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text.bind('<Button-4>', wheel_event)
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text.bind('<Button-5>', wheel_event)
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text.bind('<Configure>', self.handle_winconfig)
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text.bind("<<cut>>", self.cut)
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text.bind("<<copy>>", self.copy)
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text.bind("<<paste>>", self.paste)
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text.bind("<<center-insert>>", self.center_insert_event)
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text.bind("<<help>>", self.help_dialog)
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text.bind("<<python-docs>>", self.python_docs)
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text.bind("<<about-idle>>", self.about_dialog)
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text.bind("<<open-config-dialog>>", self.config_dialog)
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text.bind("<<open-module>>", self.open_module_event)
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text.bind("<<do-nothing>>", lambda event: "break")
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text.bind("<<select-all>>", self.select_all)
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text.bind("<<remove-selection>>", self.remove_selection)
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text.bind("<<find>>", self.find_event)
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text.bind("<<find-again>>", self.find_again_event)
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text.bind("<<find-in-files>>", self.find_in_files_event)
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text.bind("<<find-selection>>", self.find_selection_event)
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text.bind("<<replace>>", self.replace_event)
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text.bind("<<goto-line>>", self.goto_line_event)
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text.bind("<<smart-backspace>>",self.smart_backspace_event)
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text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
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text.bind("<<smart-indent>>",self.smart_indent_event)
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self.fregion = fregion = self.FormatRegion(self)
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# self.fregion used in smart_indent_event to access indent_region.
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text.bind("<<indent-region>>", fregion.indent_region_event)
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text.bind("<<dedent-region>>", fregion.dedent_region_event)
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text.bind("<<comment-region>>", fregion.comment_region_event)
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text.bind("<<uncomment-region>>", fregion.uncomment_region_event)
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text.bind("<<tabify-region>>", fregion.tabify_region_event)
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text.bind("<<untabify-region>>", fregion.untabify_region_event)
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indents = self.Indents(self)
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text.bind("<<toggle-tabs>>", indents.toggle_tabs_event)
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text.bind("<<change-indentwidth>>", indents.change_indentwidth_event)
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text.bind("<Left>", self.move_at_edge_if_selection(0))
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text.bind("<Right>", self.move_at_edge_if_selection(1))
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text.bind("<<del-word-left>>", self.del_word_left)
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text.bind("<<del-word-right>>", self.del_word_right)
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text.bind("<<beginning-of-line>>", self.home_callback)
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if flist:
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flist.inversedict[self] = key
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if key:
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flist.dict[key] = self
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text.bind("<<open-new-window>>", self.new_callback)
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text.bind("<<close-all-windows>>", self.flist.close_all_callback)
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text.bind("<<open-class-browser>>", self.open_module_browser)
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text.bind("<<open-path-browser>>", self.open_path_browser)
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text.bind("<<open-turtle-demo>>", self.open_turtle_demo)
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self.set_status_bar()
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text_frame.pack(side=LEFT, fill=BOTH, expand=1)
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text_frame.rowconfigure(1, weight=1)
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text_frame.columnconfigure(1, weight=1)
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vbar['command'] = self.handle_yview
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vbar.grid(row=1, column=2, sticky=NSEW)
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text['yscrollcommand'] = vbar.set
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text['font'] = idleConf.GetFont(self.root, 'main', 'EditorWindow')
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text.grid(row=1, column=1, sticky=NSEW)
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text.focus_set()
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self.set_width()
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# usetabs true -> literal tab characters are used by indent and
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# dedent cmds, possibly mixed with spaces if
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# indentwidth is not a multiple of tabwidth,
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# which will cause Tabnanny to nag!
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# false -> tab characters are converted to spaces by indent
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# and dedent cmds, and ditto TAB keystrokes
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# Although use-spaces=0 can be configured manually in config-main.def,
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# configuration of tabs v. spaces is not supported in the configuration
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# dialog. IDLE promotes the preferred Python indentation: use spaces!
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usespaces = idleConf.GetOption('main', 'Indent',
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'use-spaces', type='bool')
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self.usetabs = not usespaces
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# tabwidth is the display width of a literal tab character.
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# CAUTION: telling Tk to use anything other than its default
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# tab setting causes it to use an entirely different tabbing algorithm,
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# treating tab stops as fixed distances from the left margin.
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# Nobody expects this, so for now tabwidth should never be changed.
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self.tabwidth = 8 # must remain 8 until Tk is fixed.
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# indentwidth is the number of screen characters per indent level.
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# The recommended Python indentation is four spaces.
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self.indentwidth = self.tabwidth
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self.set_notabs_indentwidth()
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# Store the current value of the insertofftime now so we can restore
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# it if needed.
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if not hasattr(idleConf, 'blink_off_time'):
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idleConf.blink_off_time = self.text['insertofftime']
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self.update_cursor_blink()
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# When searching backwards for a reliable place to begin parsing,
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# first start num_context_lines[0] lines back, then
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# num_context_lines[1] lines back if that didn't work, and so on.
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# The last value should be huge (larger than the # of lines in a
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# conceivable file).
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# Making the initial values larger slows things down more often.
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self.num_context_lines = 50, 500, 5000000
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self.per = per = self.Percolator(text)
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self.undo = undo = self.UndoDelegator()
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per.insertfilter(undo)
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text.undo_block_start = undo.undo_block_start
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text.undo_block_stop = undo.undo_block_stop
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undo.set_saved_change_hook(self.saved_change_hook)
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# IOBinding implements file I/O and printing functionality
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self.io = io = self.IOBinding(self)
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io.set_filename_change_hook(self.filename_change_hook)
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self.good_load = False
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self.set_indentation_params(False)
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self.color = None # initialized below in self.ResetColorizer
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self.code_context = None # optionally initialized later below
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self.line_numbers = None # optionally initialized later below
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if filename:
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if os.path.exists(filename) and not os.path.isdir(filename):
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if io.loadfile(filename):
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self.good_load = True
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is_py_src = self.ispythonsource(filename)
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self.set_indentation_params(is_py_src)
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else:
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io.set_filename(filename)
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self.good_load = True
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self.ResetColorizer()
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self.saved_change_hook()
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self.update_recent_files_list()
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self.load_extensions()
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menu = self.menudict.get('window')
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if menu:
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end = menu.index("end")
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if end is None:
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end = -1
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if end >= 0:
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menu.add_separator()
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end = end + 1
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self.wmenu_end = end
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window.register_callback(self.postwindowsmenu)
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# Some abstractions so IDLE extensions are cross-IDE
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self.askinteger = simpledialog.askinteger
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self.askyesno = messagebox.askyesno
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self.showerror = messagebox.showerror
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# Add pseudoevents for former extension fixed keys.
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# (This probably needs to be done once in the process.)
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text.event_add('<<autocomplete>>', '<Key-Tab>')
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text.event_add('<<try-open-completions>>', '<KeyRelease-period>',
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'<KeyRelease-slash>', '<KeyRelease-backslash>')
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text.event_add('<<try-open-calltip>>', '<KeyRelease-parenleft>')
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text.event_add('<<refresh-calltip>>', '<KeyRelease-parenright>')
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text.event_add('<<paren-closed>>', '<KeyRelease-parenright>',
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'<KeyRelease-bracketright>', '<KeyRelease-braceright>')
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# Former extension bindings depends on frame.text being packed
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# (called from self.ResetColorizer()).
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autocomplete = self.AutoComplete(self, self.user_input_insert_tags)
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text.bind("<<autocomplete>>", autocomplete.autocomplete_event)
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text.bind("<<try-open-completions>>",
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autocomplete.try_open_completions_event)
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text.bind("<<force-open-completions>>",
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autocomplete.force_open_completions_event)
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text.bind("<<expand-word>>", self.AutoExpand(self).expand_word_event)
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text.bind("<<format-paragraph>>",
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self.FormatParagraph(self).format_paragraph_event)
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parenmatch = self.ParenMatch(self)
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text.bind("<<flash-paren>>", parenmatch.flash_paren_event)
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text.bind("<<paren-closed>>", parenmatch.paren_closed_event)
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scriptbinding = ScriptBinding(self)
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text.bind("<<check-module>>", scriptbinding.check_module_event)
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text.bind("<<run-module>>", scriptbinding.run_module_event)
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text.bind("<<run-custom>>", scriptbinding.run_custom_event)
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text.bind("<<do-rstrip>>", self.Rstrip(self).do_rstrip)
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self.ctip = ctip = self.Calltip(self)
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text.bind("<<try-open-calltip>>", ctip.try_open_calltip_event)
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#refresh-calltip must come after paren-closed to work right
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text.bind("<<refresh-calltip>>", ctip.refresh_calltip_event)
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text.bind("<<force-open-calltip>>", ctip.force_open_calltip_event)
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text.bind("<<zoom-height>>", self.ZoomHeight(self).zoom_height_event)
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if self.allow_code_context:
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self.code_context = self.CodeContext(self)
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text.bind("<<toggle-code-context>>",
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self.code_context.toggle_code_context_event)
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else:
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self.update_menu_state('options', '*ode*ontext', 'disabled')
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if self.allow_line_numbers:
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self.line_numbers = self.LineNumbers(self)
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if idleConf.GetOption('main', 'EditorWindow',
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'line-numbers-default', type='bool'):
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self.toggle_line_numbers_event()
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text.bind("<<toggle-line-numbers>>", self.toggle_line_numbers_event)
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else:
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self.update_menu_state('options', '*ine*umbers', 'disabled')
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def handle_winconfig(self, event=None):
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self.set_width()
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def set_width(self):
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text = self.text
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inner_padding = sum(map(text.tk.getint, [text.cget('border'),
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text.cget('padx')]))
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pixel_width = text.winfo_width() - 2 * inner_padding
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# Divide the width of the Text widget by the font width,
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# which is taken to be the width of '0' (zero).
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# http://www.tcl.tk/man/tcl8.6/TkCmd/text.htm#M21
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zero_char_width = \
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Font(text, font=text.cget('font')).measure('0')
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self.width = pixel_width // zero_char_width
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def new_callback(self, event):
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dirname, basename = self.io.defaultfilename()
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self.flist.new(dirname)
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return "break"
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def home_callback(self, event):
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if (event.state & 4) != 0 and event.keysym == "Home":
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# state&4==Control. If <Control-Home>, use the Tk binding.
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return None
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if self.text.index("iomark") and \
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self.text.compare("iomark", "<=", "insert lineend") and \
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self.text.compare("insert linestart", "<=", "iomark"):
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# In Shell on input line, go to just after prompt
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insertpt = int(self.text.index("iomark").split(".")[1])
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else:
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line = self.text.get("insert linestart", "insert lineend")
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for insertpt in range(len(line)):
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if line[insertpt] not in (' ','\t'):
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break
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else:
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insertpt=len(line)
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lineat = int(self.text.index("insert").split('.')[1])
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if insertpt == lineat:
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insertpt = 0
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dest = "insert linestart+"+str(insertpt)+"c"
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if (event.state&1) == 0:
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# shift was not pressed
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self.text.tag_remove("sel", "1.0", "end")
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else:
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if not self.text.index("sel.first"):
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# there was no previous selection
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self.text.mark_set("my_anchor", "insert")
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else:
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if self.text.compare(self.text.index("sel.first"), "<",
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self.text.index("insert")):
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self.text.mark_set("my_anchor", "sel.first") # extend back
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else:
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self.text.mark_set("my_anchor", "sel.last") # extend forward
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first = self.text.index(dest)
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last = self.text.index("my_anchor")
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if self.text.compare(first,">",last):
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first,last = last,first
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self.text.tag_remove("sel", "1.0", "end")
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self.text.tag_add("sel", first, last)
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self.text.mark_set("insert", dest)
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self.text.see("insert")
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return "break"
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def set_status_bar(self):
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self.status_bar = self.MultiStatusBar(self.top)
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sep = Frame(self.top, height=1, borderwidth=1, background='grey75')
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if sys.platform == "darwin":
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# Insert some padding to avoid obscuring some of the statusbar
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# 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"),
|
|
("window", "_Window"),
|
|
("help", "_Help"),
|
|
]
|
|
|
|
|
|
def createmenubar(self):
|
|
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):
|
|
# 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", ".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.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 keybindings before they are changed."
|
|
# Called from configdialog.py
|
|
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):
|
|
"Update the keybindings after they are changed"
|
|
# Called from configdialog.py
|
|
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, 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:
|
|
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, '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)]
|
|
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:
|
|
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
|
|
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):
|
|
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):
|
|
"""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.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 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....
|
|
ncharsdeleted = 0
|
|
while 1:
|
|
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, "bogus continuation type %r" % (c,)
|
|
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, self.tabwidth).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:
|
|
|
|
# .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 (macosx.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):
|
|
# 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)
|