mirror of
https://github.com/python/cpython.git
synced 2024-11-30 13:24:13 +08:00
1735 lines
66 KiB
Python
1735 lines
66 KiB
Python
import importlib
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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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from tkinter import *
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import tkinter.simpledialog as tkSimpleDialog
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import tkinter.messagebox as tkMessageBox
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import traceback
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import webbrowser
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from idlelib.MultiCall import MultiCallCreator
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from idlelib import idlever
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from idlelib import WindowList
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from idlelib import SearchDialog
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from idlelib import GrepDialog
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from idlelib import ReplaceDialog
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from idlelib import PyParse
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from idlelib.configHandler import idleConf
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from idlelib import aboutDialog, textView, configDialog
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from idlelib import macosxSupport
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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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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 HelpDialog(object):
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def __init__(self):
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self.parent = None # parent of help window
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self.dlg = None # the help window iteself
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def display(self, parent, near=None):
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""" Display the help dialog.
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parent - parent widget for the help window
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near - a Toplevel widget (e.g. EditorWindow or PyShell)
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to use as a reference for placing the help window
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"""
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if self.dlg is None:
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self.show_dialog(parent)
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if near:
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self.nearwindow(near)
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def show_dialog(self, parent):
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self.parent = parent
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fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
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self.dlg = dlg = textView.view_file(parent,'Help',fn, modal=False)
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dlg.bind('<Destroy>', self.destroy, '+')
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def nearwindow(self, near):
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# Place the help dialog near the window specified by parent.
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# Note - this may not reposition the window in Metacity
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# if "/apps/metacity/general/disable_workarounds" is enabled
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dlg = self.dlg
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geom = (near.winfo_rootx() + 10, near.winfo_rooty() + 10)
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dlg.withdraw()
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dlg.geometry("=+%d+%d" % geom)
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dlg.deiconify()
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dlg.lift()
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def destroy(self, ev=None):
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self.dlg = None
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self.parent = None
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helpDialog = HelpDialog() # singleton instance
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def _help_dialog(parent): # wrapper for htest
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helpDialog.show_dialog(parent)
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class EditorWindow(object):
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from idlelib.Percolator import Percolator
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from idlelib.ColorDelegator import ColorDelegator
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from idlelib.UndoDelegator import UndoDelegator
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from idlelib.IOBinding import IOBinding, filesystemencoding, encoding
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from idlelib import Bindings
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from tkinter import Toplevel
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from idlelib.MultiStatusBar import MultiStatusBar
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help_url = None
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def __init__(self, flist=None, filename=None, key=None, root=None):
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if EditorWindow.help_url is None:
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dochome = os.path.join(sys.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/" % sys.version_info[:2]
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currentTheme=idleConf.CurrentTheme()
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self.flist = flist
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root = root or flist.root
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self.root = root
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try:
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sys.ps1
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except AttributeError:
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sys.ps1 = '>>> '
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self.menubar = Menu(root)
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self.top = top = WindowList.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 = os.path.join(idleConf.GetUserCfgDir(),
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'recent-files.lst')
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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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self.width = idleConf.GetOption('main', 'EditorWindow',
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'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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'width': self.width,
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'height': idleConf.GetOption('main', 'EditorWindow',
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'height', type='int')}
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if TkVersion >= 8.5:
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# Starting with tk 8.5 we have to set the new tabstyle option
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# to 'wordprocessor' to achieve the same display of tabs as in
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# older tk versions.
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text_options['tabstyle'] = 'wordprocessor'
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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 macosxSupport.isAquaTk():
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# Command-W on editorwindows 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,
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# so use control-click for pulldown menus there.
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# (Note, AquaTk defines <2> as the right button if
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# present and the Tk Text widget already binds <2>.)
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text.bind("<Control-Button-1>",self.right_menu_event)
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else:
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# Elsewhere, use right-click for pulldown menus.
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text.bind("<3>",self.right_menu_event)
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text.bind("<<cut>>", self.cut)
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text.bind("<<copy>>", self.copy)
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text.bind("<<paste>>", self.paste)
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text.bind("<<center-insert>>", self.center_insert_event)
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text.bind("<<help>>", self.help_dialog)
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text.bind("<<python-docs>>", self.python_docs)
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text.bind("<<about-idle>>", self.about_dialog)
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text.bind("<<open-config-dialog>>", self.config_dialog)
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text.bind("<<open-config-extensions-dialog>>",
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self.config_extensions_dialog)
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text.bind("<<open-module>>", self.open_module)
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text.bind("<<do-nothing>>", lambda event: "break")
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text.bind("<<select-all>>", self.select_all)
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text.bind("<<remove-selection>>", self.remove_selection)
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text.bind("<<find>>", self.find_event)
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text.bind("<<find-again>>", self.find_again_event)
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text.bind("<<find-in-files>>", self.find_in_files_event)
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text.bind("<<find-selection>>", self.find_selection_event)
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text.bind("<<replace>>", self.replace_event)
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text.bind("<<goto-line>>", self.goto_line_event)
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text.bind("<<smart-backspace>>",self.smart_backspace_event)
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text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
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text.bind("<<smart-indent>>",self.smart_indent_event)
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text.bind("<<indent-region>>",self.indent_region_event)
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text.bind("<<dedent-region>>",self.dedent_region_event)
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text.bind("<<comment-region>>",self.comment_region_event)
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text.bind("<<uncomment-region>>",self.uncomment_region_event)
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text.bind("<<tabify-region>>",self.tabify_region_event)
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text.bind("<<untabify-region>>",self.untabify_region_event)
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text.bind("<<toggle-tabs>>",self.toggle_tabs_event)
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text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
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text.bind("<Left>", self.move_at_edge_if_selection(0))
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text.bind("<Right>", self.move_at_edge_if_selection(1))
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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_class_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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vbar['command'] = text.yview
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vbar.pack(side=RIGHT, fill=Y)
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text['yscrollcommand'] = vbar.set
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fontWeight = 'normal'
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if idleConf.GetOption('main', 'EditorWindow', 'font-bold', type='bool'):
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fontWeight='bold'
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text.config(font=(idleConf.GetOption('main', 'EditorWindow', 'font'),
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idleConf.GetOption('main', 'EditorWindow',
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'font-size', type='int'),
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fontWeight))
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text_frame.pack(side=LEFT, fill=BOTH, expand=1)
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text.pack(side=TOP, fill=BOTH, expand=1)
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text.focus_set()
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# 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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# If context_use_ps1 is true, parsing searches back for a ps1 line;
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# else searches for a popular (if, def, ...) Python stmt.
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self.context_use_ps1 = False
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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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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('windows')
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if menu:
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end = menu.index("end")
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if end is None:
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end = -1
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if end >= 0:
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menu.add_separator()
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end = end + 1
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self.wmenu_end = end
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WindowList.register_callback(self.postwindowsmenu)
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# Some abstractions so IDLE extensions are cross-IDE
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self.askyesno = tkMessageBox.askyesno
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self.askinteger = tkSimpleDialog.askinteger
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self.showerror = tkMessageBox.showerror
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self._highlight_workaround() # Fix selection tags on Windows
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def _highlight_workaround(self):
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# On Windows, Tk removes painting of the selection
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# tags which is different behavior than on Linux and Mac.
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# See issue14146 for more information.
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if not sys.platform.startswith('win'):
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return
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text = self.text
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text.event_add("<<Highlight-FocusOut>>", "<FocusOut>")
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text.event_add("<<Highlight-FocusIn>>", "<FocusIn>")
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def highlight_fix(focus):
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sel_range = text.tag_ranges("sel")
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if sel_range:
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if focus == 'out':
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HILITE_CONFIG = idleConf.GetHighlight(
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idleConf.CurrentTheme(), 'hilite')
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text.tag_config("sel_fix", HILITE_CONFIG)
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text.tag_raise("sel_fix")
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text.tag_add("sel_fix", *sel_range)
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elif focus == 'in':
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text.tag_remove("sel_fix", "1.0", "end")
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text.bind("<<Highlight-FocusOut>>",
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lambda ev: highlight_fix("out"))
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text.bind("<<Highlight-FocusIn>>",
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lambda ev: highlight_fix("in"))
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def _filename_to_unicode(self, filename):
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"""convert filename to unicode in order to display it in Tk"""
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if isinstance(filename, str) or not filename:
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return filename
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else:
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try:
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return filename.decode(self.filesystemencoding)
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except UnicodeDecodeError:
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# XXX
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try:
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return filename.decode(self.encoding)
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except UnicodeDecodeError:
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# byte-to-byte conversion
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return filename.decode('iso8859-1')
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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
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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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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.
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self.status_bar.set_label('_padding1', ' ', side=RIGHT)
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self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
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self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
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self.status_bar.pack(side=BOTTOM, fill=X)
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self.text.bind("<<set-line-and-column>>", self.set_line_and_column)
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self.text.event_add("<<set-line-and-column>>",
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"<KeyRelease>", "<ButtonRelease>")
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self.text.after_idle(self.set_line_and_column)
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def set_line_and_column(self, event=None):
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line, column = self.text.index(INSERT).split('.')
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self.status_bar.set_label('column', 'Col: %s' % column)
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self.status_bar.set_label('line', 'Ln: %s' % line)
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menu_specs = [
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("file", "_File"),
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("edit", "_Edit"),
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("format", "F_ormat"),
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("run", "_Run"),
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("options", "_Options"),
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("windows", "_Windows"),
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|
("help", "_Help"),
|
|
]
|
|
|
|
if sys.platform == "darwin":
|
|
menu_specs[-2] = ("windows", "_Window")
|
|
|
|
|
|
def createmenubar(self):
|
|
mbar = self.menubar
|
|
self.menudict = menudict = {}
|
|
for name, label in self.menu_specs:
|
|
underline, label = prepstr(label)
|
|
menudict[name] = menu = Menu(mbar, name=name)
|
|
mbar.add_cascade(label=label, menu=menu, underline=underline)
|
|
if macosxSupport.isCarbonTk():
|
|
# Insert the application menu
|
|
menudict['application'] = menu = Menu(mbar, name='apple')
|
|
mbar.add_cascade(label='IDLE', menu=menu)
|
|
self.fill_menus()
|
|
self.recent_files_menu = Menu(self.menubar)
|
|
self.menudict['file'].insert_cascade(3, label='Recent Files',
|
|
underline=0,
|
|
menu=self.recent_files_menu)
|
|
self.base_helpmenu_length = self.menudict['help'].index(END)
|
|
self.reset_help_menu_entries()
|
|
|
|
def postwindowsmenu(self):
|
|
# Only called when Windows menu exists
|
|
menu = self.menudict['windows']
|
|
end = menu.index("end")
|
|
if end is None:
|
|
end = -1
|
|
if end > self.wmenu_end:
|
|
menu.delete(self.wmenu_end+1, end)
|
|
WindowList.add_windows_to_menu(menu)
|
|
|
|
rmenu = None
|
|
|
|
def right_menu_event(self, event):
|
|
self.text.mark_set("insert", "@%d,%d" % (event.x, event.y))
|
|
if not self.rmenu:
|
|
self.make_rmenu()
|
|
rmenu = self.rmenu
|
|
self.event = event
|
|
iswin = sys.platform[:3] == 'win'
|
|
if iswin:
|
|
self.text.config(cursor="arrow")
|
|
|
|
for item in self.rmenu_specs:
|
|
try:
|
|
label, eventname, verify_state = item
|
|
except ValueError: # see issue1207589
|
|
continue
|
|
|
|
if verify_state is None:
|
|
continue
|
|
state = getattr(self, verify_state)()
|
|
rmenu.entryconfigure(label, state=state)
|
|
|
|
|
|
rmenu.tk_popup(event.x_root, event.y_root)
|
|
if iswin:
|
|
self.text.config(cursor="ibeam")
|
|
|
|
rmenu_specs = [
|
|
# ("Label", "<<virtual-event>>", "statefuncname"), ...
|
|
("Close", "<<close-window>>", None), # Example
|
|
]
|
|
|
|
def make_rmenu(self):
|
|
rmenu = Menu(self.text, tearoff=0)
|
|
for item in self.rmenu_specs:
|
|
label, eventname = item[0], item[1]
|
|
if label is not None:
|
|
def command(text=self.text, eventname=eventname):
|
|
text.event_generate(eventname)
|
|
rmenu.add_command(label=label, command=command)
|
|
else:
|
|
rmenu.add_separator()
|
|
self.rmenu = rmenu
|
|
|
|
def rmenu_check_cut(self):
|
|
return self.rmenu_check_copy()
|
|
|
|
def rmenu_check_copy(self):
|
|
try:
|
|
indx = self.text.index('sel.first')
|
|
except TclError:
|
|
return 'disabled'
|
|
else:
|
|
return 'normal' if indx else 'disabled'
|
|
|
|
def rmenu_check_paste(self):
|
|
try:
|
|
self.text.tk.call('tk::GetSelection', self.text, 'CLIPBOARD')
|
|
except TclError:
|
|
return 'disabled'
|
|
else:
|
|
return 'normal'
|
|
|
|
def about_dialog(self, event=None):
|
|
aboutDialog.AboutDialog(self.top,'About IDLE')
|
|
|
|
def config_dialog(self, event=None):
|
|
configDialog.ConfigDialog(self.top,'Settings')
|
|
def config_extensions_dialog(self, event=None):
|
|
configDialog.ConfigExtensionsDialog(self.top)
|
|
|
|
def help_dialog(self, event=None):
|
|
if self.root:
|
|
parent = self.root
|
|
else:
|
|
parent = self.top
|
|
helpDialog.display(parent, near=self.top)
|
|
|
|
def python_docs(self, event=None):
|
|
if sys.platform[:3] == 'win':
|
|
try:
|
|
os.startfile(self.help_url)
|
|
except OSError as why:
|
|
tkMessageBox.showerror(title='Document Start Failure',
|
|
message=str(why), parent=self.text)
|
|
else:
|
|
webbrowser.open(self.help_url)
|
|
return "break"
|
|
|
|
def cut(self,event):
|
|
self.text.event_generate("<<Cut>>")
|
|
return "break"
|
|
|
|
def copy(self,event):
|
|
if not self.text.tag_ranges("sel"):
|
|
# There is no selection, so do nothing and maybe interrupt.
|
|
return
|
|
self.text.event_generate("<<Copy>>")
|
|
return "break"
|
|
|
|
def paste(self,event):
|
|
self.text.event_generate("<<Paste>>")
|
|
self.text.see("insert")
|
|
return "break"
|
|
|
|
def select_all(self, event=None):
|
|
self.text.tag_add("sel", "1.0", "end-1c")
|
|
self.text.mark_set("insert", "1.0")
|
|
self.text.see("insert")
|
|
return "break"
|
|
|
|
def remove_selection(self, event=None):
|
|
self.text.tag_remove("sel", "1.0", "end")
|
|
self.text.see("insert")
|
|
|
|
def move_at_edge_if_selection(self, edge_index):
|
|
"""Cursor move begins at start or end of selection
|
|
|
|
When a left/right cursor key is pressed create and return to Tkinter a
|
|
function which causes a cursor move from the associated edge of the
|
|
selection.
|
|
|
|
"""
|
|
self_text_index = self.text.index
|
|
self_text_mark_set = self.text.mark_set
|
|
edges_table = ("sel.first+1c", "sel.last-1c")
|
|
def move_at_edge(event):
|
|
if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed
|
|
try:
|
|
self_text_index("sel.first")
|
|
self_text_mark_set("insert", edges_table[edge_index])
|
|
except TclError:
|
|
pass
|
|
return move_at_edge
|
|
|
|
def del_word_left(self, event):
|
|
self.text.event_generate('<Meta-Delete>')
|
|
return "break"
|
|
|
|
def del_word_right(self, event):
|
|
self.text.event_generate('<Meta-d>')
|
|
return "break"
|
|
|
|
def find_event(self, event):
|
|
SearchDialog.find(self.text)
|
|
return "break"
|
|
|
|
def find_again_event(self, event):
|
|
SearchDialog.find_again(self.text)
|
|
return "break"
|
|
|
|
def find_selection_event(self, event):
|
|
SearchDialog.find_selection(self.text)
|
|
return "break"
|
|
|
|
def find_in_files_event(self, event):
|
|
GrepDialog.grep(self.text, self.io, self.flist)
|
|
return "break"
|
|
|
|
def replace_event(self, event):
|
|
ReplaceDialog.replace(self.text)
|
|
return "break"
|
|
|
|
def goto_line_event(self, event):
|
|
text = self.text
|
|
lineno = tkSimpleDialog.askinteger("Goto",
|
|
"Go to line number:",parent=text)
|
|
if lineno is None:
|
|
return "break"
|
|
if lineno <= 0:
|
|
text.bell()
|
|
return "break"
|
|
text.mark_set("insert", "%d.0" % lineno)
|
|
text.see("insert")
|
|
|
|
def open_module(self, event=None):
|
|
# XXX Shouldn't this be in IOBinding?
|
|
try:
|
|
name = self.text.get("sel.first", "sel.last")
|
|
except TclError:
|
|
name = ""
|
|
else:
|
|
name = name.strip()
|
|
name = tkSimpleDialog.askstring("Module",
|
|
"Enter the name of a Python module\n"
|
|
"to search on sys.path and open:",
|
|
parent=self.text, initialvalue=name)
|
|
if name:
|
|
name = name.strip()
|
|
if not name:
|
|
return
|
|
# XXX Ought to insert current file's directory in front of path
|
|
try:
|
|
spec = importlib.util.find_spec(name)
|
|
except (ValueError, ImportError) as msg:
|
|
tkMessageBox.showerror("Import error", str(msg), parent=self.text)
|
|
return
|
|
if spec is None:
|
|
tkMessageBox.showerror("Import error", "module not found",
|
|
parent=self.text)
|
|
return
|
|
if not isinstance(spec.loader, importlib.abc.SourceLoader):
|
|
tkMessageBox.showerror("Import error", "not a source-based module",
|
|
parent=self.text)
|
|
return
|
|
try:
|
|
file_path = spec.loader.get_filename(name)
|
|
except AttributeError:
|
|
tkMessageBox.showerror("Import error",
|
|
"loader does not support get_filename",
|
|
parent=self.text)
|
|
return
|
|
if self.flist:
|
|
self.flist.open(file_path)
|
|
else:
|
|
self.io.loadfile(file_path)
|
|
return file_path
|
|
|
|
def open_class_browser(self, event=None):
|
|
filename = self.io.filename
|
|
if not (self.__class__.__name__ == 'PyShellEditorWindow'
|
|
and filename):
|
|
filename = self.open_module()
|
|
if filename is None:
|
|
return
|
|
head, tail = os.path.split(filename)
|
|
base, ext = os.path.splitext(tail)
|
|
from idlelib import ClassBrowser
|
|
ClassBrowser.ClassBrowser(self.flist, base, [head])
|
|
|
|
def open_path_browser(self, event=None):
|
|
from idlelib import PathBrowser
|
|
PathBrowser.PathBrowser(self.flist)
|
|
|
|
def open_turtle_demo(self, event = None):
|
|
import subprocess
|
|
|
|
cmd = [sys.executable,
|
|
'-c',
|
|
'from turtledemo.__main__ import main; main()']
|
|
p = subprocess.Popen(cmd, shell=False)
|
|
|
|
def gotoline(self, lineno):
|
|
if lineno is not None and lineno > 0:
|
|
self.text.mark_set("insert", "%d.0" % lineno)
|
|
self.text.tag_remove("sel", "1.0", "end")
|
|
self.text.tag_add("sel", "insert", "insert +1l")
|
|
self.center()
|
|
|
|
def ispythonsource(self, filename):
|
|
if not filename or os.path.isdir(filename):
|
|
return True
|
|
base, ext = os.path.splitext(os.path.basename(filename))
|
|
if os.path.normcase(ext) in (".py", ".pyw"):
|
|
return True
|
|
line = self.text.get('1.0', '1.0 lineend')
|
|
return line.startswith('#!') and 'python' in line
|
|
|
|
def close_hook(self):
|
|
if self.flist:
|
|
self.flist.unregister_maybe_terminate(self)
|
|
self.flist = None
|
|
|
|
def set_close_hook(self, close_hook):
|
|
self.close_hook = close_hook
|
|
|
|
def filename_change_hook(self):
|
|
if self.flist:
|
|
self.flist.filename_changed_edit(self)
|
|
self.saved_change_hook()
|
|
self.top.update_windowlist_registry(self)
|
|
self.ResetColorizer()
|
|
|
|
def _addcolorizer(self):
|
|
if self.color:
|
|
return
|
|
if self.ispythonsource(self.io.filename):
|
|
self.color = self.ColorDelegator()
|
|
# can add more colorizers here...
|
|
if self.color:
|
|
self.per.removefilter(self.undo)
|
|
self.per.insertfilter(self.color)
|
|
self.per.insertfilter(self.undo)
|
|
|
|
def _rmcolorizer(self):
|
|
if not self.color:
|
|
return
|
|
self.color.removecolors()
|
|
self.per.removefilter(self.color)
|
|
self.color = None
|
|
|
|
def ResetColorizer(self):
|
|
"Update the color theme"
|
|
# Called from self.filename_change_hook and from configDialog.py
|
|
self._rmcolorizer()
|
|
self._addcolorizer()
|
|
theme = idleConf.GetOption('main','Theme','name')
|
|
normal_colors = idleConf.GetHighlight(theme, 'normal')
|
|
cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
|
|
select_colors = idleConf.GetHighlight(theme, 'hilite')
|
|
self.text.config(
|
|
foreground=normal_colors['foreground'],
|
|
background=normal_colors['background'],
|
|
insertbackground=cursor_color,
|
|
selectforeground=select_colors['foreground'],
|
|
selectbackground=select_colors['background'],
|
|
)
|
|
|
|
IDENTCHARS = string.ascii_letters + string.digits + "_"
|
|
|
|
def colorize_syntax_error(self, text, pos):
|
|
text.tag_add("ERROR", pos)
|
|
char = text.get(pos)
|
|
if char and char in self.IDENTCHARS:
|
|
text.tag_add("ERROR", pos + " wordstart", pos)
|
|
if '\n' == text.get(pos): # error at line end
|
|
text.mark_set("insert", pos)
|
|
else:
|
|
text.mark_set("insert", pos + "+1c")
|
|
text.see(pos)
|
|
|
|
def ResetFont(self):
|
|
"Update the text widgets' font if it is changed"
|
|
# Called from configDialog.py
|
|
fontWeight='normal'
|
|
if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
|
|
fontWeight='bold'
|
|
self.text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
|
|
idleConf.GetOption('main','EditorWindow','font-size',
|
|
type='int'),
|
|
fontWeight))
|
|
|
|
def RemoveKeybindings(self):
|
|
"Remove the keybindings before they are changed."
|
|
# Called from configDialog.py
|
|
self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
|
|
for event, keylist in keydefs.items():
|
|
self.text.event_delete(event, *keylist)
|
|
for extensionName in self.get_standard_extension_names():
|
|
xkeydefs = idleConf.GetExtensionBindings(extensionName)
|
|
if xkeydefs:
|
|
for event, keylist in xkeydefs.items():
|
|
self.text.event_delete(event, *keylist)
|
|
|
|
def ApplyKeybindings(self):
|
|
"Update the keybindings after they are changed"
|
|
# Called from configDialog.py
|
|
self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
|
|
self.apply_bindings()
|
|
for extensionName in self.get_standard_extension_names():
|
|
xkeydefs = idleConf.GetExtensionBindings(extensionName)
|
|
if xkeydefs:
|
|
self.apply_bindings(xkeydefs)
|
|
#update menu accelerators
|
|
menuEventDict = {}
|
|
for menu in self.Bindings.menudefs:
|
|
menuEventDict[menu[0]] = {}
|
|
for item in menu[1]:
|
|
if item:
|
|
menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1]
|
|
for menubarItem in self.menudict:
|
|
menu = self.menudict[menubarItem]
|
|
end = menu.index(END)
|
|
if end is None:
|
|
# Skip empty menus
|
|
continue
|
|
end += 1
|
|
for index in range(0, end):
|
|
if menu.type(index) == 'command':
|
|
accel = menu.entrycget(index, 'accelerator')
|
|
if accel:
|
|
itemName = menu.entrycget(index, 'label')
|
|
event = ''
|
|
if menubarItem in menuEventDict:
|
|
if itemName in menuEventDict[menubarItem]:
|
|
event = menuEventDict[menubarItem][itemName]
|
|
if event:
|
|
accel = get_accelerator(keydefs, event)
|
|
menu.entryconfig(index, accelerator=accel)
|
|
|
|
def set_notabs_indentwidth(self):
|
|
"Update the indentwidth if changed and not using tabs in this window"
|
|
# Called from configDialog.py
|
|
if not self.usetabs:
|
|
self.indentwidth = idleConf.GetOption('main', 'Indent','num-spaces',
|
|
type='int')
|
|
|
|
def reset_help_menu_entries(self):
|
|
"Update the additional help entries on the Help menu"
|
|
help_list = idleConf.GetAllExtraHelpSourcesList()
|
|
helpmenu = self.menudict['help']
|
|
# first delete the extra help entries, if any
|
|
helpmenu_length = helpmenu.index(END)
|
|
if helpmenu_length > self.base_helpmenu_length:
|
|
helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length)
|
|
# then rebuild them
|
|
if help_list:
|
|
helpmenu.add_separator()
|
|
for entry in help_list:
|
|
cmd = self.__extra_help_callback(entry[1])
|
|
helpmenu.add_command(label=entry[0], command=cmd)
|
|
# and update the menu dictionary
|
|
self.menudict['help'] = helpmenu
|
|
|
|
def __extra_help_callback(self, helpfile):
|
|
"Create a callback with the helpfile value frozen at definition time"
|
|
def display_extra_help(helpfile=helpfile):
|
|
if not helpfile.startswith(('www', 'http')):
|
|
helpfile = os.path.normpath(helpfile)
|
|
if sys.platform[:3] == 'win':
|
|
try:
|
|
os.startfile(helpfile)
|
|
except OSError as why:
|
|
tkMessageBox.showerror(title='Document Start Failure',
|
|
message=str(why), parent=self.text)
|
|
else:
|
|
webbrowser.open(helpfile)
|
|
return display_extra_help
|
|
|
|
def update_recent_files_list(self, new_file=None):
|
|
"Load and update the recent files list and menus"
|
|
rf_list = []
|
|
if os.path.exists(self.recent_files_path):
|
|
with open(self.recent_files_path, 'r',
|
|
encoding='utf_8', errors='replace') as rf_list_file:
|
|
rf_list = rf_list_file.readlines()
|
|
if new_file:
|
|
new_file = os.path.abspath(new_file) + '\n'
|
|
if new_file in rf_list:
|
|
rf_list.remove(new_file) # move to top
|
|
rf_list.insert(0, new_file)
|
|
# clean and save the recent files list
|
|
bad_paths = []
|
|
for path in rf_list:
|
|
if '\0' in path or not os.path.exists(path[0:-1]):
|
|
bad_paths.append(path)
|
|
rf_list = [path for path in rf_list if path not in bad_paths]
|
|
ulchars = "1234567890ABCDEFGHIJK"
|
|
rf_list = rf_list[0:len(ulchars)]
|
|
try:
|
|
with open(self.recent_files_path, 'w',
|
|
encoding='utf_8', errors='replace') as rf_file:
|
|
rf_file.writelines(rf_list)
|
|
except OSError as err:
|
|
if not getattr(self.root, "recentfilelist_error_displayed", False):
|
|
self.root.recentfilelist_error_displayed = True
|
|
tkMessageBox.showerror(title='IDLE Error',
|
|
message='Unable to update Recent Files list:\n%s'
|
|
% str(err),
|
|
parent=self.text)
|
|
# for each edit window instance, construct the recent files menu
|
|
for instance in self.top.instance_dict:
|
|
menu = instance.recent_files_menu
|
|
menu.delete(0, END) # clear, and rebuild:
|
|
for i, file_name in enumerate(rf_list):
|
|
file_name = file_name.rstrip() # zap \n
|
|
# make unicode string to display non-ASCII chars correctly
|
|
ufile_name = self._filename_to_unicode(file_name)
|
|
callback = instance.__recent_file_callback(file_name)
|
|
menu.add_command(label=ulchars[i] + " " + ufile_name,
|
|
command=callback,
|
|
underline=0)
|
|
|
|
def __recent_file_callback(self, file_name):
|
|
def open_recent_file(fn_closure=file_name):
|
|
self.io.open(editFile=fn_closure)
|
|
return open_recent_file
|
|
|
|
def saved_change_hook(self):
|
|
short = self.short_title()
|
|
long = self.long_title()
|
|
if short and long:
|
|
title = short + " - " + long + _py_version
|
|
elif short:
|
|
title = short
|
|
elif long:
|
|
title = long
|
|
else:
|
|
title = "Untitled"
|
|
icon = short or long or title
|
|
if not self.get_saved():
|
|
title = "*%s*" % title
|
|
icon = "*%s" % icon
|
|
self.top.wm_title(title)
|
|
self.top.wm_iconname(icon)
|
|
|
|
def get_saved(self):
|
|
return self.undo.get_saved()
|
|
|
|
def set_saved(self, flag):
|
|
self.undo.set_saved(flag)
|
|
|
|
def reset_undo(self):
|
|
self.undo.reset_undo()
|
|
|
|
def short_title(self):
|
|
filename = self.io.filename
|
|
if filename:
|
|
filename = os.path.basename(filename)
|
|
else:
|
|
filename = "Untitled"
|
|
# return unicode string to display non-ASCII chars correctly
|
|
return self._filename_to_unicode(filename)
|
|
|
|
def long_title(self):
|
|
# return unicode string to display non-ASCII chars correctly
|
|
return self._filename_to_unicode(self.io.filename or "")
|
|
|
|
def center_insert_event(self, event):
|
|
self.center()
|
|
|
|
def center(self, mark="insert"):
|
|
text = self.text
|
|
top, bot = self.getwindowlines()
|
|
lineno = self.getlineno(mark)
|
|
height = bot - top
|
|
newtop = max(1, lineno - height//2)
|
|
text.yview(float(newtop))
|
|
|
|
def getwindowlines(self):
|
|
text = self.text
|
|
top = self.getlineno("@0,0")
|
|
bot = self.getlineno("@0,65535")
|
|
if top == bot and text.winfo_height() == 1:
|
|
# Geometry manager hasn't run yet
|
|
height = int(text['height'])
|
|
bot = top + height - 1
|
|
return top, bot
|
|
|
|
def getlineno(self, mark="insert"):
|
|
text = self.text
|
|
return int(float(text.index(mark)))
|
|
|
|
def get_geometry(self):
|
|
"Return (width, height, x, y)"
|
|
geom = self.top.wm_geometry()
|
|
m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
|
|
return list(map(int, m.groups()))
|
|
|
|
def close_event(self, event):
|
|
self.close()
|
|
|
|
def maybesave(self):
|
|
if self.io:
|
|
if not self.get_saved():
|
|
if self.top.state()!='normal':
|
|
self.top.deiconify()
|
|
self.top.lower()
|
|
self.top.lift()
|
|
return self.io.maybesave()
|
|
|
|
def close(self):
|
|
reply = self.maybesave()
|
|
if str(reply) != "cancel":
|
|
self._close()
|
|
return reply
|
|
|
|
def _close(self):
|
|
if self.io.filename:
|
|
self.update_recent_files_list(new_file=self.io.filename)
|
|
WindowList.unregister_callback(self.postwindowsmenu)
|
|
self.unload_extensions()
|
|
self.io.close()
|
|
self.io = None
|
|
self.undo = None
|
|
if self.color:
|
|
self.color.close(False)
|
|
self.color = None
|
|
self.text = None
|
|
self.tkinter_vars = None
|
|
self.per.close()
|
|
self.per = None
|
|
self.top.destroy()
|
|
if self.close_hook:
|
|
# unless override: unregister from flist, terminate if last window
|
|
self.close_hook()
|
|
|
|
def load_extensions(self):
|
|
self.extensions = {}
|
|
self.load_standard_extensions()
|
|
|
|
def unload_extensions(self):
|
|
for ins in list(self.extensions.values()):
|
|
if hasattr(ins, "close"):
|
|
ins.close()
|
|
self.extensions = {}
|
|
|
|
def load_standard_extensions(self):
|
|
for name in self.get_standard_extension_names():
|
|
try:
|
|
self.load_extension(name)
|
|
except:
|
|
print("Failed to load extension", repr(name))
|
|
traceback.print_exc()
|
|
|
|
def get_standard_extension_names(self):
|
|
return idleConf.GetExtensions(editor_only=True)
|
|
|
|
def load_extension(self, name):
|
|
try:
|
|
try:
|
|
mod = importlib.import_module('.' + name, package=__package__)
|
|
except (ImportError, TypeError):
|
|
mod = importlib.import_module(name)
|
|
except ImportError:
|
|
print("\nFailed to import extension: ", name)
|
|
raise
|
|
cls = getattr(mod, name)
|
|
keydefs = idleConf.GetExtensionBindings(name)
|
|
if hasattr(cls, "menudefs"):
|
|
self.fill_menus(cls.menudefs, keydefs)
|
|
ins = cls(self)
|
|
self.extensions[name] = ins
|
|
if keydefs:
|
|
self.apply_bindings(keydefs)
|
|
for vevent in keydefs:
|
|
methodname = vevent.replace("-", "_")
|
|
while methodname[:1] == '<':
|
|
methodname = methodname[1:]
|
|
while methodname[-1:] == '>':
|
|
methodname = methodname[:-1]
|
|
methodname = methodname + "_event"
|
|
if hasattr(ins, methodname):
|
|
self.text.bind(vevent, getattr(ins, methodname))
|
|
|
|
def apply_bindings(self, keydefs=None):
|
|
if keydefs is None:
|
|
keydefs = self.Bindings.default_keydefs
|
|
text = self.text
|
|
text.keydefs = keydefs
|
|
for event, keylist in keydefs.items():
|
|
if keylist:
|
|
text.event_add(event, *keylist)
|
|
|
|
def fill_menus(self, menudefs=None, keydefs=None):
|
|
"""Add appropriate entries to the menus and submenus
|
|
|
|
Menus that are absent or None in self.menudict are ignored.
|
|
"""
|
|
if menudefs is None:
|
|
menudefs = self.Bindings.menudefs
|
|
if keydefs is None:
|
|
keydefs = self.Bindings.default_keydefs
|
|
menudict = self.menudict
|
|
text = self.text
|
|
for mname, entrylist in menudefs:
|
|
menu = menudict.get(mname)
|
|
if not menu:
|
|
continue
|
|
for entry in entrylist:
|
|
if not entry:
|
|
menu.add_separator()
|
|
else:
|
|
label, eventname = entry
|
|
checkbutton = (label[:1] == '!')
|
|
if checkbutton:
|
|
label = label[1:]
|
|
underline, label = prepstr(label)
|
|
accelerator = get_accelerator(keydefs, eventname)
|
|
def command(text=text, eventname=eventname):
|
|
text.event_generate(eventname)
|
|
if checkbutton:
|
|
var = self.get_var_obj(eventname, BooleanVar)
|
|
menu.add_checkbutton(label=label, underline=underline,
|
|
command=command, accelerator=accelerator,
|
|
variable=var)
|
|
else:
|
|
menu.add_command(label=label, underline=underline,
|
|
command=command,
|
|
accelerator=accelerator)
|
|
|
|
def getvar(self, name):
|
|
var = self.get_var_obj(name)
|
|
if var:
|
|
value = var.get()
|
|
return value
|
|
else:
|
|
raise NameError(name)
|
|
|
|
def setvar(self, name, value, vartype=None):
|
|
var = self.get_var_obj(name, vartype)
|
|
if var:
|
|
var.set(value)
|
|
else:
|
|
raise NameError(name)
|
|
|
|
def get_var_obj(self, name, vartype=None):
|
|
var = self.tkinter_vars.get(name)
|
|
if not var and vartype:
|
|
# create a Tkinter variable object with self.text as master:
|
|
self.tkinter_vars[name] = var = vartype(self.text)
|
|
return var
|
|
|
|
# Tk implementations of "virtual text methods" -- each platform
|
|
# reusing IDLE's support code needs to define these for its GUI's
|
|
# flavor of widget.
|
|
|
|
# Is character at text_index in a Python string? Return 0 for
|
|
# "guaranteed no", true for anything else. This info is expensive
|
|
# to compute ab initio, but is probably already known by the
|
|
# platform's colorizer.
|
|
|
|
def is_char_in_string(self, text_index):
|
|
if self.color:
|
|
# Return true iff colorizer hasn't (re)gotten this far
|
|
# yet, or the character is tagged as being in a string
|
|
return self.text.tag_prevrange("TODO", text_index) or \
|
|
"STRING" in self.text.tag_names(text_index)
|
|
else:
|
|
# The colorizer is missing: assume the worst
|
|
return 1
|
|
|
|
# If a selection is defined in the text widget, return (start,
|
|
# end) as Tkinter text indices, otherwise return (None, None)
|
|
def get_selection_indices(self):
|
|
try:
|
|
first = self.text.index("sel.first")
|
|
last = self.text.index("sel.last")
|
|
return first, last
|
|
except TclError:
|
|
return None, None
|
|
|
|
# Return the text widget's current view of what a tab stop means
|
|
# (equivalent width in spaces).
|
|
|
|
def get_tk_tabwidth(self):
|
|
current = self.text['tabs'] or TK_TABWIDTH_DEFAULT
|
|
return int(current)
|
|
|
|
# Set the text widget's current view of what a tab stop means.
|
|
|
|
def set_tk_tabwidth(self, newtabwidth):
|
|
text = self.text
|
|
if self.get_tk_tabwidth() != newtabwidth:
|
|
# Set text widget tab width
|
|
pixels = text.tk.call("font", "measure", text["font"],
|
|
"-displayof", text.master,
|
|
"n" * newtabwidth)
|
|
text.configure(tabs=pixels)
|
|
|
|
### begin autoindent code ### (configuration was moved to beginning of class)
|
|
|
|
def set_indentation_params(self, is_py_src, guess=True):
|
|
if is_py_src and guess:
|
|
i = self.guess_indent()
|
|
if 2 <= i <= 8:
|
|
self.indentwidth = i
|
|
if self.indentwidth != self.tabwidth:
|
|
self.usetabs = False
|
|
self.set_tk_tabwidth(self.tabwidth)
|
|
|
|
def smart_backspace_event(self, event):
|
|
text = self.text
|
|
first, last = self.get_selection_indices()
|
|
if first and last:
|
|
text.delete(first, last)
|
|
text.mark_set("insert", first)
|
|
return "break"
|
|
# Delete whitespace left, until hitting a real char or closest
|
|
# preceding virtual tab stop.
|
|
chars = text.get("insert linestart", "insert")
|
|
if chars == '':
|
|
if text.compare("insert", ">", "1.0"):
|
|
# easy: delete preceding newline
|
|
text.delete("insert-1c")
|
|
else:
|
|
text.bell() # at start of buffer
|
|
return "break"
|
|
if chars[-1] not in " \t":
|
|
# easy: delete preceding real char
|
|
text.delete("insert-1c")
|
|
return "break"
|
|
# Ick. It may require *inserting* spaces if we back up over a
|
|
# tab character! This is written to be clear, not fast.
|
|
tabwidth = self.tabwidth
|
|
have = len(chars.expandtabs(tabwidth))
|
|
assert have > 0
|
|
want = ((have - 1) // self.indentwidth) * self.indentwidth
|
|
# Debug prompt is multilined....
|
|
if self.context_use_ps1:
|
|
last_line_of_prompt = sys.ps1.split('\n')[-1]
|
|
else:
|
|
last_line_of_prompt = ''
|
|
ncharsdeleted = 0
|
|
while 1:
|
|
if chars == last_line_of_prompt:
|
|
break
|
|
chars = chars[:-1]
|
|
ncharsdeleted = ncharsdeleted + 1
|
|
have = len(chars.expandtabs(tabwidth))
|
|
if have <= want or chars[-1] not in " \t":
|
|
break
|
|
text.undo_block_start()
|
|
text.delete("insert-%dc" % ncharsdeleted, "insert")
|
|
if have < want:
|
|
text.insert("insert", ' ' * (want - have))
|
|
text.undo_block_stop()
|
|
return "break"
|
|
|
|
def smart_indent_event(self, event):
|
|
# if intraline selection:
|
|
# delete it
|
|
# elif multiline selection:
|
|
# do indent-region
|
|
# else:
|
|
# indent one level
|
|
text = self.text
|
|
first, last = self.get_selection_indices()
|
|
text.undo_block_start()
|
|
try:
|
|
if first and last:
|
|
if index2line(first) != index2line(last):
|
|
return self.indent_region_event(event)
|
|
text.delete(first, last)
|
|
text.mark_set("insert", first)
|
|
prefix = text.get("insert linestart", "insert")
|
|
raw, effective = classifyws(prefix, self.tabwidth)
|
|
if raw == len(prefix):
|
|
# only whitespace to the left
|
|
self.reindent_to(effective + self.indentwidth)
|
|
else:
|
|
# tab to the next 'stop' within or to right of line's text:
|
|
if self.usetabs:
|
|
pad = '\t'
|
|
else:
|
|
effective = len(prefix.expandtabs(self.tabwidth))
|
|
n = self.indentwidth
|
|
pad = ' ' * (n - effective % n)
|
|
text.insert("insert", pad)
|
|
text.see("insert")
|
|
return "break"
|
|
finally:
|
|
text.undo_block_stop()
|
|
|
|
def newline_and_indent_event(self, event):
|
|
text = self.text
|
|
first, last = self.get_selection_indices()
|
|
text.undo_block_start()
|
|
try:
|
|
if first and last:
|
|
text.delete(first, last)
|
|
text.mark_set("insert", first)
|
|
line = text.get("insert linestart", "insert")
|
|
i, n = 0, len(line)
|
|
while i < n and line[i] in " \t":
|
|
i = i+1
|
|
if i == n:
|
|
# the cursor is in or at leading indentation in a continuation
|
|
# line; just inject an empty line at the start
|
|
text.insert("insert linestart", '\n')
|
|
return "break"
|
|
indent = line[:i]
|
|
# strip whitespace before insert point unless it's in the prompt
|
|
i = 0
|
|
last_line_of_prompt = sys.ps1.split('\n')[-1]
|
|
while line and line[-1] in " \t" and line != last_line_of_prompt:
|
|
line = line[:-1]
|
|
i = i+1
|
|
if i:
|
|
text.delete("insert - %d chars" % i, "insert")
|
|
# strip whitespace after insert point
|
|
while text.get("insert") in " \t":
|
|
text.delete("insert")
|
|
# start new line
|
|
text.insert("insert", '\n')
|
|
|
|
# adjust indentation for continuations and block
|
|
# open/close first need to find the last stmt
|
|
lno = index2line(text.index('insert'))
|
|
y = PyParse.Parser(self.indentwidth, self.tabwidth)
|
|
if not self.context_use_ps1:
|
|
for context in self.num_context_lines:
|
|
startat = max(lno - context, 1)
|
|
startatindex = repr(startat) + ".0"
|
|
rawtext = text.get(startatindex, "insert")
|
|
y.set_str(rawtext)
|
|
bod = y.find_good_parse_start(
|
|
self.context_use_ps1,
|
|
self._build_char_in_string_func(startatindex))
|
|
if bod is not None or startat == 1:
|
|
break
|
|
y.set_lo(bod or 0)
|
|
else:
|
|
r = text.tag_prevrange("console", "insert")
|
|
if r:
|
|
startatindex = r[1]
|
|
else:
|
|
startatindex = "1.0"
|
|
rawtext = text.get(startatindex, "insert")
|
|
y.set_str(rawtext)
|
|
y.set_lo(0)
|
|
|
|
c = y.get_continuation_type()
|
|
if c != PyParse.C_NONE:
|
|
# The current stmt hasn't ended yet.
|
|
if c == PyParse.C_STRING_FIRST_LINE:
|
|
# after the first line of a string; do not indent at all
|
|
pass
|
|
elif c == PyParse.C_STRING_NEXT_LINES:
|
|
# inside a string which started before this line;
|
|
# just mimic the current indent
|
|
text.insert("insert", indent)
|
|
elif c == PyParse.C_BRACKET:
|
|
# line up with the first (if any) element of the
|
|
# last open bracket structure; else indent one
|
|
# level beyond the indent of the line with the
|
|
# last open bracket
|
|
self.reindent_to(y.compute_bracket_indent())
|
|
elif c == PyParse.C_BACKSLASH:
|
|
# if more than one line in this stmt already, just
|
|
# mimic the current indent; else if initial line
|
|
# has a start on an assignment stmt, indent to
|
|
# beyond leftmost =; else to beyond first chunk of
|
|
# non-whitespace on initial line
|
|
if y.get_num_lines_in_stmt() > 1:
|
|
text.insert("insert", indent)
|
|
else:
|
|
self.reindent_to(y.compute_backslash_indent())
|
|
else:
|
|
assert 0, "bogus continuation type %r" % (c,)
|
|
return "break"
|
|
|
|
# This line starts a brand new stmt; indent relative to
|
|
# indentation of initial line of closest preceding
|
|
# interesting stmt.
|
|
indent = y.get_base_indent_string()
|
|
text.insert("insert", indent)
|
|
if y.is_block_opener():
|
|
self.smart_indent_event(event)
|
|
elif indent and y.is_block_closer():
|
|
self.smart_backspace_event(event)
|
|
return "break"
|
|
finally:
|
|
text.see("insert")
|
|
text.undo_block_stop()
|
|
|
|
# Our editwin provides a is_char_in_string function that works
|
|
# with a Tk text index, but PyParse only knows about offsets into
|
|
# a string. This builds a function for PyParse that accepts an
|
|
# offset.
|
|
|
|
def _build_char_in_string_func(self, startindex):
|
|
def inner(offset, _startindex=startindex,
|
|
_icis=self.is_char_in_string):
|
|
return _icis(_startindex + "+%dc" % offset)
|
|
return inner
|
|
|
|
def indent_region_event(self, event):
|
|
head, tail, chars, lines = self.get_region()
|
|
for pos in range(len(lines)):
|
|
line = lines[pos]
|
|
if line:
|
|
raw, effective = classifyws(line, self.tabwidth)
|
|
effective = effective + self.indentwidth
|
|
lines[pos] = self._make_blanks(effective) + line[raw:]
|
|
self.set_region(head, tail, chars, lines)
|
|
return "break"
|
|
|
|
def dedent_region_event(self, event):
|
|
head, tail, chars, lines = self.get_region()
|
|
for pos in range(len(lines)):
|
|
line = lines[pos]
|
|
if line:
|
|
raw, effective = classifyws(line, self.tabwidth)
|
|
effective = max(effective - self.indentwidth, 0)
|
|
lines[pos] = self._make_blanks(effective) + line[raw:]
|
|
self.set_region(head, tail, chars, lines)
|
|
return "break"
|
|
|
|
def comment_region_event(self, event):
|
|
head, tail, chars, lines = self.get_region()
|
|
for pos in range(len(lines) - 1):
|
|
line = lines[pos]
|
|
lines[pos] = '##' + line
|
|
self.set_region(head, tail, chars, lines)
|
|
|
|
def uncomment_region_event(self, event):
|
|
head, tail, chars, lines = self.get_region()
|
|
for pos in range(len(lines)):
|
|
line = lines[pos]
|
|
if not line:
|
|
continue
|
|
if line[:2] == '##':
|
|
line = line[2:]
|
|
elif line[:1] == '#':
|
|
line = line[1:]
|
|
lines[pos] = line
|
|
self.set_region(head, tail, chars, lines)
|
|
|
|
def tabify_region_event(self, event):
|
|
head, tail, chars, lines = self.get_region()
|
|
tabwidth = self._asktabwidth()
|
|
if tabwidth is None: return
|
|
for pos in range(len(lines)):
|
|
line = lines[pos]
|
|
if line:
|
|
raw, effective = classifyws(line, tabwidth)
|
|
ntabs, nspaces = divmod(effective, tabwidth)
|
|
lines[pos] = '\t' * ntabs + ' ' * nspaces + line[raw:]
|
|
self.set_region(head, tail, chars, lines)
|
|
|
|
def untabify_region_event(self, event):
|
|
head, tail, chars, lines = self.get_region()
|
|
tabwidth = self._asktabwidth()
|
|
if tabwidth is None: return
|
|
for pos in range(len(lines)):
|
|
lines[pos] = lines[pos].expandtabs(tabwidth)
|
|
self.set_region(head, tail, chars, lines)
|
|
|
|
def toggle_tabs_event(self, event):
|
|
if self.askyesno(
|
|
"Toggle tabs",
|
|
"Turn tabs " + ("on", "off")[self.usetabs] +
|
|
"?\nIndent width " +
|
|
("will be", "remains at")[self.usetabs] + " 8." +
|
|
"\n Note: a tab is always 8 columns",
|
|
parent=self.text):
|
|
self.usetabs = not self.usetabs
|
|
# Try to prevent inconsistent indentation.
|
|
# User must change indent width manually after using tabs.
|
|
self.indentwidth = 8
|
|
return "break"
|
|
|
|
# XXX this isn't bound to anything -- see tabwidth comments
|
|
## def change_tabwidth_event(self, event):
|
|
## new = self._asktabwidth()
|
|
## if new != self.tabwidth:
|
|
## self.tabwidth = new
|
|
## self.set_indentation_params(0, guess=0)
|
|
## return "break"
|
|
|
|
def change_indentwidth_event(self, event):
|
|
new = self.askinteger(
|
|
"Indent width",
|
|
"New indent width (2-16)\n(Always use 8 when using tabs)",
|
|
parent=self.text,
|
|
initialvalue=self.indentwidth,
|
|
minvalue=2,
|
|
maxvalue=16)
|
|
if new and new != self.indentwidth and not self.usetabs:
|
|
self.indentwidth = new
|
|
return "break"
|
|
|
|
def get_region(self):
|
|
text = self.text
|
|
first, last = self.get_selection_indices()
|
|
if first and last:
|
|
head = text.index(first + " linestart")
|
|
tail = text.index(last + "-1c lineend +1c")
|
|
else:
|
|
head = text.index("insert linestart")
|
|
tail = text.index("insert lineend +1c")
|
|
chars = text.get(head, tail)
|
|
lines = chars.split("\n")
|
|
return head, tail, chars, lines
|
|
|
|
def set_region(self, head, tail, chars, lines):
|
|
text = self.text
|
|
newchars = "\n".join(lines)
|
|
if newchars == chars:
|
|
text.bell()
|
|
return
|
|
text.tag_remove("sel", "1.0", "end")
|
|
text.mark_set("insert", head)
|
|
text.undo_block_start()
|
|
text.delete(head, tail)
|
|
text.insert(head, newchars)
|
|
text.undo_block_stop()
|
|
text.tag_add("sel", head, "insert")
|
|
|
|
# Make string that displays as n leading blanks.
|
|
|
|
def _make_blanks(self, n):
|
|
if self.usetabs:
|
|
ntabs, nspaces = divmod(n, self.tabwidth)
|
|
return '\t' * ntabs + ' ' * nspaces
|
|
else:
|
|
return ' ' * n
|
|
|
|
# Delete from beginning of line to insert point, then reinsert
|
|
# column logical (meaning use tabs if appropriate) spaces.
|
|
|
|
def reindent_to(self, column):
|
|
text = self.text
|
|
text.undo_block_start()
|
|
if text.compare("insert linestart", "!=", "insert"):
|
|
text.delete("insert linestart", "insert")
|
|
if column:
|
|
text.insert("insert", self._make_blanks(column))
|
|
text.undo_block_stop()
|
|
|
|
def _asktabwidth(self):
|
|
return self.askinteger(
|
|
"Tab width",
|
|
"Columns per tab? (2-16)",
|
|
parent=self.text,
|
|
initialvalue=self.indentwidth,
|
|
minvalue=2,
|
|
maxvalue=16)
|
|
|
|
# Guess indentwidth from text content.
|
|
# Return guessed indentwidth. This should not be believed unless
|
|
# it's in a reasonable range (e.g., it will be 0 if no indented
|
|
# blocks are found).
|
|
|
|
def guess_indent(self):
|
|
opener, indented = IndentSearcher(self.text, self.tabwidth).run()
|
|
if opener and indented:
|
|
raw, indentsmall = classifyws(opener, self.tabwidth)
|
|
raw, indentlarge = classifyws(indented, self.tabwidth)
|
|
else:
|
|
indentsmall = indentlarge = 0
|
|
return indentlarge - indentsmall
|
|
|
|
# "line.col" -> line, as an int
|
|
def index2line(index):
|
|
return int(float(index))
|
|
|
|
# Look at the leading whitespace in s.
|
|
# Return pair (# of leading ws characters,
|
|
# effective # of leading blanks after expanding
|
|
# tabs to width tabwidth)
|
|
|
|
def classifyws(s, tabwidth):
|
|
raw = effective = 0
|
|
for ch in s:
|
|
if ch == ' ':
|
|
raw = raw + 1
|
|
effective = effective + 1
|
|
elif ch == '\t':
|
|
raw = raw + 1
|
|
effective = (effective // tabwidth + 1) * tabwidth
|
|
else:
|
|
break
|
|
return raw, effective
|
|
|
|
import tokenize
|
|
_tokenize = tokenize
|
|
del tokenize
|
|
|
|
class IndentSearcher(object):
|
|
|
|
# .run() chews over the Text widget, looking for a block opener
|
|
# and the stmt following it. Returns a pair,
|
|
# (line containing block opener, line containing stmt)
|
|
# Either or both may be None.
|
|
|
|
def __init__(self, text, tabwidth):
|
|
self.text = text
|
|
self.tabwidth = tabwidth
|
|
self.i = self.finished = 0
|
|
self.blkopenline = self.indentedline = None
|
|
|
|
def readline(self):
|
|
if self.finished:
|
|
return ""
|
|
i = self.i = self.i + 1
|
|
mark = repr(i) + ".0"
|
|
if self.text.compare(mark, ">=", "end"):
|
|
return ""
|
|
return self.text.get(mark, mark + " lineend+1c")
|
|
|
|
def tokeneater(self, type, token, start, end, line,
|
|
INDENT=_tokenize.INDENT,
|
|
NAME=_tokenize.NAME,
|
|
OPENERS=('class', 'def', 'for', 'if', 'try', 'while')):
|
|
if self.finished:
|
|
pass
|
|
elif type == NAME and token in OPENERS:
|
|
self.blkopenline = line
|
|
elif type == INDENT and self.blkopenline:
|
|
self.indentedline = line
|
|
self.finished = 1
|
|
|
|
def run(self):
|
|
save_tabsize = _tokenize.tabsize
|
|
_tokenize.tabsize = self.tabwidth
|
|
try:
|
|
try:
|
|
tokens = _tokenize.generate_tokens(self.readline)
|
|
for token in tokens:
|
|
self.tokeneater(*token)
|
|
except (_tokenize.TokenError, SyntaxError):
|
|
# since we cut off the tokenizer early, we can trigger
|
|
# spurious errors
|
|
pass
|
|
finally:
|
|
_tokenize.tabsize = save_tabsize
|
|
return self.blkopenline, self.indentedline
|
|
|
|
### end autoindent code ###
|
|
|
|
def prepstr(s):
|
|
# Helper to extract the underscore from a string, e.g.
|
|
# prepstr("Co_py") returns (2, "Copy").
|
|
i = s.find('_')
|
|
if i >= 0:
|
|
s = s[:i] + s[i+1:]
|
|
return i, s
|
|
|
|
|
|
keynames = {
|
|
'bracketleft': '[',
|
|
'bracketright': ']',
|
|
'slash': '/',
|
|
}
|
|
|
|
def get_accelerator(keydefs, eventname):
|
|
keylist = keydefs.get(eventname)
|
|
# issue10940: temporary workaround to prevent hang with OS X Cocoa Tk 8.5
|
|
# if not keylist:
|
|
if (not keylist) or (macosxSupport.isCocoaTk() and eventname in {
|
|
"<<open-module>>",
|
|
"<<goto-line>>",
|
|
"<<change-indentwidth>>"}):
|
|
return ""
|
|
s = keylist[0]
|
|
s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s)
|
|
s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s)
|
|
s = re.sub("Key-", "", s)
|
|
s = re.sub("Cancel","Ctrl-Break",s) # dscherer@cmu.edu
|
|
s = re.sub("Control-", "Ctrl-", s)
|
|
s = re.sub("-", "+", s)
|
|
s = re.sub("><", " ", s)
|
|
s = re.sub("<", "", s)
|
|
s = re.sub(">", "", s)
|
|
return s
|
|
|
|
|
|
def fixwordbreaks(root):
|
|
# Make sure that Tk's double-click and next/previous word
|
|
# operations use our definition of a word (i.e. an identifier)
|
|
tk = root.tk
|
|
tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded
|
|
tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')
|
|
tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')
|
|
|
|
|
|
def _editor_window(parent): # htest #
|
|
# error if close master window first - timer event, after script
|
|
root = parent
|
|
fixwordbreaks(root)
|
|
if sys.argv[1:]:
|
|
filename = sys.argv[1]
|
|
else:
|
|
filename = None
|
|
macosxSupport.setupApp(root, None)
|
|
edit = EditorWindow(root=root, filename=filename)
|
|
edit.text.bind("<<close-all-windows>>", edit.close_event)
|
|
# Does not stop error, neither does following
|
|
# edit.text.bind("<<close-window>>", edit.close_event)
|
|
|
|
if __name__ == '__main__':
|
|
from idlelib.idle_test.htest import run
|
|
run(_help_dialog, _editor_window)
|