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author | Terry Jan Reedy <tjreedy@udel.edu> | 2016-05-22 23:10:31 (GMT) |
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committer | Terry Jan Reedy <tjreedy@udel.edu> | 2016-05-22 23:10:31 (GMT) |
commit | 0d9220e162f1e5f8caa3d7ebaa54665776d361a1 (patch) | |
tree | a4fa9f7cafdfc93fde86b8ffd6088d739bb93e01 /Lib/idlelib/EditorWindow.py | |
parent | dc4f7c09cc934524a763498250e30123a0d9d2c5 (diff) | |
download | cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.zip cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.tar.gz cpython-0d9220e162f1e5f8caa3d7ebaa54665776d361a1.tar.bz2 |
Issue #24225: Rename many idlelib/*.py and idlelib/idle_test/test_*.py files.
Diffstat (limited to 'Lib/idlelib/EditorWindow.py')
-rw-r--r-- | Lib/idlelib/EditorWindow.py | 1703 |
1 files changed, 0 insertions, 1703 deletions
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py deleted file mode 100644 index b5868be..0000000 --- a/Lib/idlelib/EditorWindow.py +++ /dev/null @@ -1,1703 +0,0 @@ -import importlib -import importlib.abc -import importlib.util -import os -import platform -import re -import string -import sys -from tkinter import * -import tkinter.simpledialog as tkSimpleDialog -import tkinter.messagebox as tkMessageBox -import traceback -import webbrowser - -from idlelib.MultiCall import MultiCallCreator -from idlelib import WindowList -from idlelib import SearchDialog -from idlelib import GrepDialog -from idlelib import ReplaceDialog -from idlelib import PyParse -from idlelib.configHandler import idleConf -from idlelib import aboutDialog, textView, configDialog -from idlelib import macosxSupport -from idlelib import help - -# The default tab setting for a Text widget, in average-width characters. -TK_TABWIDTH_DEFAULT = 8 - -_py_version = ' (%s)' % platform.python_version() - -def _sphinx_version(): - "Format sys.version_info to produce the Sphinx version string used to install the chm docs" - major, minor, micro, level, serial = sys.version_info - release = '%s%s' % (major, minor) - release += '%s' % (micro,) - if level == 'candidate': - release += 'rc%s' % (serial,) - elif level != 'final': - release += '%s%s' % (level[0], serial) - return release - - -class HelpDialog(object): - - def __init__(self): - self.parent = None # parent of help window - self.dlg = None # the help window iteself - - def display(self, parent, near=None): - """ Display the help dialog. - - parent - parent widget for the help window - - near - a Toplevel widget (e.g. EditorWindow or PyShell) - to use as a reference for placing the help window - """ - import warnings as w - w.warn("EditorWindow.HelpDialog is no longer used by Idle.\n" - "It will be removed in 3.6 or later.\n" - "It has been replaced by private help.HelpWindow\n", - DeprecationWarning, stacklevel=2) - if self.dlg is None: - self.show_dialog(parent) - if near: - self.nearwindow(near) - - def show_dialog(self, parent): - self.parent = parent - fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt') - self.dlg = dlg = textView.view_file(parent,'Help',fn, modal=False) - dlg.bind('<Destroy>', self.destroy, '+') - - def nearwindow(self, near): - # Place the help dialog near the window specified by parent. - # Note - this may not reposition the window in Metacity - # if "/apps/metacity/general/disable_workarounds" is enabled - dlg = self.dlg - geom = (near.winfo_rootx() + 10, near.winfo_rooty() + 10) - dlg.withdraw() - dlg.geometry("=+%d+%d" % geom) - dlg.deiconify() - dlg.lift() - - def destroy(self, ev=None): - self.dlg = None - self.parent = None - -helpDialog = HelpDialog() # singleton instance, no longer used - - -class EditorWindow(object): - from idlelib.Percolator import Percolator - from idlelib.ColorDelegator import ColorDelegator - from idlelib.UndoDelegator import UndoDelegator - from idlelib.IOBinding import IOBinding, filesystemencoding, encoding - from idlelib import Bindings - from tkinter import Toplevel - from idlelib.MultiStatusBar import MultiStatusBar - - help_url = None - - def __init__(self, flist=None, filename=None, key=None, root=None): - if EditorWindow.help_url is None: - dochome = os.path.join(sys.base_prefix, 'Doc', 'index.html') - if sys.platform.count('linux'): - # look for html docs in a couple of standard places - pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3] - if os.path.isdir('/var/www/html/python/'): # "python2" rpm - dochome = '/var/www/html/python/index.html' - else: - basepath = '/usr/share/doc/' # standard location - dochome = os.path.join(basepath, pyver, - 'Doc', 'index.html') - elif sys.platform[:3] == 'win': - chmfile = os.path.join(sys.base_prefix, 'Doc', - 'Python%s.chm' % _sphinx_version()) - if os.path.isfile(chmfile): - dochome = chmfile - elif sys.platform == 'darwin': - # documentation may be stored inside a python framework - dochome = os.path.join(sys.base_prefix, - 'Resources/English.lproj/Documentation/index.html') - dochome = os.path.normpath(dochome) - if os.path.isfile(dochome): - EditorWindow.help_url = dochome - if sys.platform == 'darwin': - # Safari requires real file:-URLs - EditorWindow.help_url = 'file://' + EditorWindow.help_url - else: - EditorWindow.help_url = "https://docs.python.org/%d.%d/" % sys.version_info[:2] - self.flist = flist - root = root or flist.root - self.root = root - try: - sys.ps1 - except AttributeError: - sys.ps1 = '>>> ' - self.menubar = Menu(root) - self.top = top = WindowList.ListedToplevel(root, menu=self.menubar) - if flist: - self.tkinter_vars = flist.vars - #self.top.instance_dict makes flist.inversedict available to - #configDialog.py so it can access all EditorWindow instances - self.top.instance_dict = flist.inversedict - else: - self.tkinter_vars = {} # keys: Tkinter event names - # values: Tkinter variable instances - self.top.instance_dict = {} - self.recent_files_path = os.path.join(idleConf.GetUserCfgDir(), - 'recent-files.lst') - self.text_frame = text_frame = Frame(top) - self.vbar = vbar = Scrollbar(text_frame, name='vbar') - self.width = idleConf.GetOption('main', 'EditorWindow', - 'width', type='int') - text_options = { - 'name': 'text', - 'padx': 5, - 'wrap': 'none', - 'highlightthickness': 0, - 'width': self.width, - 'height': idleConf.GetOption('main', 'EditorWindow', - 'height', type='int')} - if TkVersion >= 8.5: - # Starting with tk 8.5 we have to set the new tabstyle option - # to 'wordprocessor' to achieve the same display of tabs as in - # older tk versions. - text_options['tabstyle'] = 'wordprocessor' - self.text = text = MultiCallCreator(Text)(text_frame, **text_options) - self.top.focused_widget = self.text - - self.createmenubar() - self.apply_bindings() - - self.top.protocol("WM_DELETE_WINDOW", self.close) - self.top.bind("<<close-window>>", self.close_event) - if macosxSupport.isAquaTk(): - # Command-W on editorwindows doesn't work without this. - text.bind('<<close-window>>', self.close_event) - # Some OS X systems have only one mouse button, so use - # control-click for popup context menus there. For two - # buttons, AquaTk defines <2> as the right button, not <3>. - text.bind("<Control-Button-1>",self.right_menu_event) - text.bind("<2>", self.right_menu_event) - else: - # Elsewhere, use right-click for popup menus. - text.bind("<3>",self.right_menu_event) - text.bind("<<cut>>", self.cut) - text.bind("<<copy>>", self.copy) - text.bind("<<paste>>", self.paste) - text.bind("<<center-insert>>", self.center_insert_event) - text.bind("<<help>>", self.help_dialog) - text.bind("<<python-docs>>", self.python_docs) - text.bind("<<about-idle>>", self.about_dialog) - text.bind("<<open-config-dialog>>", self.config_dialog) - text.bind("<<open-module>>", self.open_module) - text.bind("<<do-nothing>>", lambda event: "break") - text.bind("<<select-all>>", self.select_all) - text.bind("<<remove-selection>>", self.remove_selection) - text.bind("<<find>>", self.find_event) - text.bind("<<find-again>>", self.find_again_event) - text.bind("<<find-in-files>>", self.find_in_files_event) - text.bind("<<find-selection>>", self.find_selection_event) - text.bind("<<replace>>", self.replace_event) - text.bind("<<goto-line>>", self.goto_line_event) - text.bind("<<smart-backspace>>",self.smart_backspace_event) - text.bind("<<newline-and-indent>>",self.newline_and_indent_event) - text.bind("<<smart-indent>>",self.smart_indent_event) - text.bind("<<indent-region>>",self.indent_region_event) - text.bind("<<dedent-region>>",self.dedent_region_event) - text.bind("<<comment-region>>",self.comment_region_event) - text.bind("<<uncomment-region>>",self.uncomment_region_event) - text.bind("<<tabify-region>>",self.tabify_region_event) - text.bind("<<untabify-region>>",self.untabify_region_event) - text.bind("<<toggle-tabs>>",self.toggle_tabs_event) - text.bind("<<change-indentwidth>>",self.change_indentwidth_event) - text.bind("<Left>", self.move_at_edge_if_selection(0)) - text.bind("<Right>", self.move_at_edge_if_selection(1)) - text.bind("<<del-word-left>>", self.del_word_left) - text.bind("<<del-word-right>>", self.del_word_right) - text.bind("<<beginning-of-line>>", self.home_callback) - - if flist: - flist.inversedict[self] = key - if key: - flist.dict[key] = self - text.bind("<<open-new-window>>", self.new_callback) - text.bind("<<close-all-windows>>", self.flist.close_all_callback) - text.bind("<<open-class-browser>>", self.open_class_browser) - text.bind("<<open-path-browser>>", self.open_path_browser) - text.bind("<<open-turtle-demo>>", self.open_turtle_demo) - - self.set_status_bar() - vbar['command'] = text.yview - vbar.pack(side=RIGHT, fill=Y) - text['yscrollcommand'] = vbar.set - text['font'] = idleConf.GetFont(self.root, 'main', 'EditorWindow') - text_frame.pack(side=LEFT, fill=BOTH, expand=1) - text.pack(side=TOP, fill=BOTH, expand=1) - text.focus_set() - - # usetabs true -> literal tab characters are used by indent and - # dedent cmds, possibly mixed with spaces if - # indentwidth is not a multiple of tabwidth, - # which will cause Tabnanny to nag! - # false -> tab characters are converted to spaces by indent - # and dedent cmds, and ditto TAB keystrokes - # Although use-spaces=0 can be configured manually in config-main.def, - # configuration of tabs v. spaces is not supported in the configuration - # dialog. IDLE promotes the preferred Python indentation: use spaces! - usespaces = idleConf.GetOption('main', 'Indent', - 'use-spaces', type='bool') - self.usetabs = not usespaces - - # tabwidth is the display width of a literal tab character. - # CAUTION: telling Tk to use anything other than its default - # tab setting causes it to use an entirely different tabbing algorithm, - # treating tab stops as fixed distances from the left margin. - # Nobody expects this, so for now tabwidth should never be changed. - self.tabwidth = 8 # must remain 8 until Tk is fixed. - - # indentwidth is the number of screen characters per indent level. - # The recommended Python indentation is four spaces. - self.indentwidth = self.tabwidth - self.set_notabs_indentwidth() - - # If context_use_ps1 is true, parsing searches back for a ps1 line; - # else searches for a popular (if, def, ...) Python stmt. - self.context_use_ps1 = False - - # When searching backwards for a reliable place to begin parsing, - # first start num_context_lines[0] lines back, then - # num_context_lines[1] lines back if that didn't work, and so on. - # The last value should be huge (larger than the # of lines in a - # conceivable file). - # Making the initial values larger slows things down more often. - self.num_context_lines = 50, 500, 5000000 - self.per = per = self.Percolator(text) - self.undo = undo = self.UndoDelegator() - per.insertfilter(undo) - text.undo_block_start = undo.undo_block_start - text.undo_block_stop = undo.undo_block_stop - undo.set_saved_change_hook(self.saved_change_hook) - # IOBinding implements file I/O and printing functionality - self.io = io = self.IOBinding(self) - io.set_filename_change_hook(self.filename_change_hook) - self.good_load = False - self.set_indentation_params(False) - self.color = None # initialized below in self.ResetColorizer - if filename: - if os.path.exists(filename) and not os.path.isdir(filename): - if io.loadfile(filename): - self.good_load = True - is_py_src = self.ispythonsource(filename) - self.set_indentation_params(is_py_src) - else: - io.set_filename(filename) - self.good_load = True - - self.ResetColorizer() - self.saved_change_hook() - self.update_recent_files_list() - self.load_extensions() - menu = self.menudict.get('windows') - if menu: - end = menu.index("end") - if end is None: - end = -1 - if end >= 0: - menu.add_separator() - end = end + 1 - self.wmenu_end = end - WindowList.register_callback(self.postwindowsmenu) - - # Some abstractions so IDLE extensions are cross-IDE - self.askyesno = tkMessageBox.askyesno - self.askinteger = tkSimpleDialog.askinteger - self.showerror = tkMessageBox.showerror - - def _filename_to_unicode(self, filename): - """Return filename as BMP unicode so diplayable in Tk.""" - # Decode bytes to unicode. - if isinstance(filename, bytes): - try: - filename = filename.decode(self.filesystemencoding) - except UnicodeDecodeError: - try: - filename = filename.decode(self.encoding) - except UnicodeDecodeError: - # byte-to-byte conversion - filename = filename.decode('iso8859-1') - # Replace non-BMP char with diamond questionmark. - return re.sub('[\U00010000-\U0010FFFF]', '\ufffd', filename) - - def new_callback(self, event): - dirname, basename = self.io.defaultfilename() - self.flist.new(dirname) - return "break" - - def home_callback(self, event): - if (event.state & 4) != 0 and event.keysym == "Home": - # state&4==Control. If <Control-Home>, use the Tk binding. - return - if self.text.index("iomark") and \ - self.text.compare("iomark", "<=", "insert lineend") and \ - self.text.compare("insert linestart", "<=", "iomark"): - # In Shell on input line, go to just after prompt - insertpt = int(self.text.index("iomark").split(".")[1]) - else: - line = self.text.get("insert linestart", "insert lineend") - for insertpt in range(len(line)): - if line[insertpt] not in (' ','\t'): - break - else: - insertpt=len(line) - lineat = int(self.text.index("insert").split('.')[1]) - if insertpt == lineat: - insertpt = 0 - dest = "insert linestart+"+str(insertpt)+"c" - if (event.state&1) == 0: - # shift was not pressed - self.text.tag_remove("sel", "1.0", "end") - else: - if not self.text.index("sel.first"): - # there was no previous selection - self.text.mark_set("my_anchor", "insert") - else: - if self.text.compare(self.text.index("sel.first"), "<", - self.text.index("insert")): - self.text.mark_set("my_anchor", "sel.first") # extend back - else: - self.text.mark_set("my_anchor", "sel.last") # extend forward - first = self.text.index(dest) - last = self.text.index("my_anchor") - if self.text.compare(first,">",last): - first,last = last,first - self.text.tag_remove("sel", "1.0", "end") - self.text.tag_add("sel", first, last) - self.text.mark_set("insert", dest) - self.text.see("insert") - return "break" - - def set_status_bar(self): - self.status_bar = self.MultiStatusBar(self.top) - sep = Frame(self.top, height=1, borderwidth=1, background='grey75') - if sys.platform == "darwin": - # Insert some padding to avoid obscuring some of the statusbar - # by the resize widget. - self.status_bar.set_label('_padding1', ' ', side=RIGHT) - self.status_bar.set_label('column', 'Col: ?', side=RIGHT) - self.status_bar.set_label('line', 'Ln: ?', side=RIGHT) - self.status_bar.pack(side=BOTTOM, fill=X) - sep.pack(side=BOTTOM, fill=X) - self.text.bind("<<set-line-and-column>>", self.set_line_and_column) - self.text.event_add("<<set-line-and-column>>", - "<KeyRelease>", "<ButtonRelease>") - self.text.after_idle(self.set_line_and_column) - - def set_line_and_column(self, event=None): - line, column = self.text.index(INSERT).split('.') - self.status_bar.set_label('column', 'Col: %s' % column) - self.status_bar.set_label('line', 'Ln: %s' % line) - - menu_specs = [ - ("file", "_File"), - ("edit", "_Edit"), - ("format", "F_ormat"), - ("run", "_Run"), - ("options", "_Options"), - ("windows", "_Window"), - ("help", "_Help"), - ] - - - def createmenubar(self): - mbar = self.menubar - self.menudict = menudict = {} - for name, label in self.menu_specs: - underline, label = prepstr(label) - menudict[name] = menu = Menu(mbar, name=name, tearoff=0) - mbar.add_cascade(label=label, menu=menu, underline=underline) - if macosxSupport.isCarbonTk(): - # Insert the application menu - menudict['application'] = menu = Menu(mbar, name='apple', - tearoff=0) - mbar.add_cascade(label='IDLE', menu=menu) - self.fill_menus() - self.recent_files_menu = Menu(self.menubar, tearoff=0) - self.menudict['file'].insert_cascade(3, label='Recent Files', - underline=0, - menu=self.recent_files_menu) - self.base_helpmenu_length = self.menudict['help'].index(END) - self.reset_help_menu_entries() - - def postwindowsmenu(self): - # Only called when Windows menu exists - menu = self.menudict['windows'] - end = menu.index("end") - if end is None: - end = -1 - if end > self.wmenu_end: - menu.delete(self.wmenu_end+1, end) - WindowList.add_windows_to_menu(menu) - - rmenu = None - - def right_menu_event(self, event): - self.text.mark_set("insert", "@%d,%d" % (event.x, event.y)) - if not self.rmenu: - self.make_rmenu() - rmenu = self.rmenu - self.event = event - iswin = sys.platform[:3] == 'win' - if iswin: - self.text.config(cursor="arrow") - - for item in self.rmenu_specs: - try: - label, eventname, verify_state = item - except ValueError: # see issue1207589 - continue - - if verify_state is None: - continue - state = getattr(self, verify_state)() - rmenu.entryconfigure(label, state=state) - - - rmenu.tk_popup(event.x_root, event.y_root) - if iswin: - self.text.config(cursor="ibeam") - - rmenu_specs = [ - # ("Label", "<<virtual-event>>", "statefuncname"), ... - ("Close", "<<close-window>>", None), # Example - ] - - def make_rmenu(self): - rmenu = Menu(self.text, tearoff=0) - for item in self.rmenu_specs: - label, eventname = item[0], item[1] - if label is not None: - def command(text=self.text, eventname=eventname): - text.event_generate(eventname) - rmenu.add_command(label=label, command=command) - else: - rmenu.add_separator() - self.rmenu = rmenu - - def rmenu_check_cut(self): - return self.rmenu_check_copy() - - def rmenu_check_copy(self): - try: - indx = self.text.index('sel.first') - except TclError: - return 'disabled' - else: - return 'normal' if indx else 'disabled' - - def rmenu_check_paste(self): - try: - self.text.tk.call('tk::GetSelection', self.text, 'CLIPBOARD') - except TclError: - return 'disabled' - else: - return 'normal' - - def about_dialog(self, event=None): - "Handle Help 'About IDLE' event." - # Synchronize with macosxSupport.overrideRootMenu.about_dialog. - aboutDialog.AboutDialog(self.top,'About IDLE') - - def config_dialog(self, event=None): - "Handle Options 'Configure IDLE' event." - # Synchronize with macosxSupport.overrideRootMenu.config_dialog. - configDialog.ConfigDialog(self.top,'Settings') - - def help_dialog(self, event=None): - "Handle Help 'IDLE Help' event." - # Synchronize with macosxSupport.overrideRootMenu.help_dialog. - if self.root: - parent = self.root - else: - parent = self.top - help.show_idlehelp(parent) - - def python_docs(self, event=None): - if sys.platform[:3] == 'win': - try: - os.startfile(self.help_url) - except OSError as why: - tkMessageBox.showerror(title='Document Start Failure', - message=str(why), parent=self.text) - else: - webbrowser.open(self.help_url) - return "break" - - def cut(self,event): - self.text.event_generate("<<Cut>>") - return "break" - - def copy(self,event): - if not self.text.tag_ranges("sel"): - # There is no selection, so do nothing and maybe interrupt. - return - self.text.event_generate("<<Copy>>") - return "break" - - def paste(self,event): - self.text.event_generate("<<Paste>>") - self.text.see("insert") - return "break" - - def select_all(self, event=None): - self.text.tag_add("sel", "1.0", "end-1c") - self.text.mark_set("insert", "1.0") - self.text.see("insert") - return "break" - - def remove_selection(self, event=None): - self.text.tag_remove("sel", "1.0", "end") - self.text.see("insert") - - def move_at_edge_if_selection(self, edge_index): - """Cursor move begins at start or end of selection - - When a left/right cursor key is pressed create and return to Tkinter a - function which causes a cursor move from the associated edge of the - selection. - - """ - self_text_index = self.text.index - self_text_mark_set = self.text.mark_set - edges_table = ("sel.first+1c", "sel.last-1c") - def move_at_edge(event): - if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed - try: - self_text_index("sel.first") - self_text_mark_set("insert", edges_table[edge_index]) - except TclError: - pass - return move_at_edge - - def del_word_left(self, event): - self.text.event_generate('<Meta-Delete>') - return "break" - - def del_word_right(self, event): - self.text.event_generate('<Meta-d>') - return "break" - - def find_event(self, event): - SearchDialog.find(self.text) - return "break" - - def find_again_event(self, event): - SearchDialog.find_again(self.text) - return "break" - - def find_selection_event(self, event): - SearchDialog.find_selection(self.text) - return "break" - - def find_in_files_event(self, event): - GrepDialog.grep(self.text, self.io, self.flist) - return "break" - - def replace_event(self, event): - ReplaceDialog.replace(self.text) - return "break" - - def goto_line_event(self, event): - text = self.text - lineno = tkSimpleDialog.askinteger("Goto", - "Go to line number:",parent=text) - if lineno is None: - return "break" - if lineno <= 0: - text.bell() - return "break" - text.mark_set("insert", "%d.0" % lineno) - text.see("insert") - - def open_module(self, event=None): - # XXX Shouldn't this be in IOBinding? - try: - name = self.text.get("sel.first", "sel.last") - except TclError: - name = "" - else: - name = name.strip() - name = tkSimpleDialog.askstring("Module", - "Enter the name of a Python module\n" - "to search on sys.path and open:", - parent=self.text, initialvalue=name) - if name: - name = name.strip() - if not name: - return - # XXX Ought to insert current file's directory in front of path - try: - spec = importlib.util.find_spec(name) - except (ValueError, ImportError) as msg: - tkMessageBox.showerror("Import error", str(msg), parent=self.text) - return - if spec is None: - tkMessageBox.showerror("Import error", "module not found", - parent=self.text) - return - if not isinstance(spec.loader, importlib.abc.SourceLoader): - tkMessageBox.showerror("Import error", "not a source-based module", - parent=self.text) - return - try: - file_path = spec.loader.get_filename(name) - except AttributeError: - tkMessageBox.showerror("Import error", - "loader does not support get_filename", - parent=self.text) - return - if self.flist: - self.flist.open(file_path) - else: - self.io.loadfile(file_path) - return file_path - - def open_class_browser(self, event=None): - filename = self.io.filename - if not (self.__class__.__name__ == 'PyShellEditorWindow' - and filename): - filename = self.open_module() - if filename is None: - return - head, tail = os.path.split(filename) - base, ext = os.path.splitext(tail) - from idlelib import ClassBrowser - ClassBrowser.ClassBrowser(self.flist, base, [head]) - - def open_path_browser(self, event=None): - from idlelib import PathBrowser - PathBrowser.PathBrowser(self.flist) - - def open_turtle_demo(self, event = None): - import subprocess - - cmd = [sys.executable, - '-c', - 'from turtledemo.__main__ import main; main()'] - subprocess.Popen(cmd, shell=False) - - def gotoline(self, lineno): - if lineno is not None and lineno > 0: - self.text.mark_set("insert", "%d.0" % lineno) - self.text.tag_remove("sel", "1.0", "end") - self.text.tag_add("sel", "insert", "insert +1l") - self.center() - - def ispythonsource(self, filename): - if not filename or os.path.isdir(filename): - return True - base, ext = os.path.splitext(os.path.basename(filename)) - if os.path.normcase(ext) in (".py", ".pyw"): - return True - line = self.text.get('1.0', '1.0 lineend') - return line.startswith('#!') and 'python' in line - - def close_hook(self): - if self.flist: - self.flist.unregister_maybe_terminate(self) - self.flist = None - - def set_close_hook(self, close_hook): - self.close_hook = close_hook - - def filename_change_hook(self): - if self.flist: - self.flist.filename_changed_edit(self) - self.saved_change_hook() - self.top.update_windowlist_registry(self) - self.ResetColorizer() - - def _addcolorizer(self): - if self.color: - return - if self.ispythonsource(self.io.filename): - self.color = self.ColorDelegator() - # can add more colorizers here... - if self.color: - self.per.removefilter(self.undo) - self.per.insertfilter(self.color) - self.per.insertfilter(self.undo) - - def _rmcolorizer(self): - if not self.color: - return - self.color.removecolors() - self.per.removefilter(self.color) - self.color = None - - def ResetColorizer(self): - "Update the color theme" - # Called from self.filename_change_hook and from configDialog.py - self._rmcolorizer() - self._addcolorizer() - theme = idleConf.CurrentTheme() - normal_colors = idleConf.GetHighlight(theme, 'normal') - cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg') - select_colors = idleConf.GetHighlight(theme, 'hilite') - self.text.config( - foreground=normal_colors['foreground'], - background=normal_colors['background'], - insertbackground=cursor_color, - selectforeground=select_colors['foreground'], - selectbackground=select_colors['background'], - ) - if TkVersion >= 8.5: - self.text.config( - inactiveselectbackground=select_colors['background']) - - IDENTCHARS = string.ascii_letters + string.digits + "_" - - def colorize_syntax_error(self, text, pos): - text.tag_add("ERROR", pos) - char = text.get(pos) - if char and char in self.IDENTCHARS: - text.tag_add("ERROR", pos + " wordstart", pos) - if '\n' == text.get(pos): # error at line end - text.mark_set("insert", pos) - else: - text.mark_set("insert", pos + "+1c") - text.see(pos) - - def ResetFont(self): - "Update the text widgets' font if it is changed" - # Called from configDialog.py - - self.text['font'] = idleConf.GetFont(self.root, 'main','EditorWindow') - - def RemoveKeybindings(self): - "Remove the keybindings before they are changed." - # Called from configDialog.py - self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet() - for event, keylist in keydefs.items(): - self.text.event_delete(event, *keylist) - for extensionName in self.get_standard_extension_names(): - xkeydefs = idleConf.GetExtensionBindings(extensionName) - if xkeydefs: - for event, keylist in xkeydefs.items(): - self.text.event_delete(event, *keylist) - - def ApplyKeybindings(self): - "Update the keybindings after they are changed" - # Called from configDialog.py - self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet() - self.apply_bindings() - for extensionName in self.get_standard_extension_names(): - xkeydefs = idleConf.GetExtensionBindings(extensionName) - if xkeydefs: - self.apply_bindings(xkeydefs) - #update menu accelerators - menuEventDict = {} - for menu in self.Bindings.menudefs: - menuEventDict[menu[0]] = {} - for item in menu[1]: - if item: - menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1] - for menubarItem in self.menudict: - menu = self.menudict[menubarItem] - end = menu.index(END) - if end is None: - # Skip empty menus - continue - end += 1 - for index in range(0, end): - if menu.type(index) == 'command': - accel = menu.entrycget(index, 'accelerator') - if accel: - itemName = menu.entrycget(index, 'label') - event = '' - if menubarItem in menuEventDict: - if itemName in menuEventDict[menubarItem]: - event = menuEventDict[menubarItem][itemName] - if event: - accel = get_accelerator(keydefs, event) - menu.entryconfig(index, accelerator=accel) - - def set_notabs_indentwidth(self): - "Update the indentwidth if changed and not using tabs in this window" - # Called from configDialog.py - if not self.usetabs: - self.indentwidth = idleConf.GetOption('main', 'Indent','num-spaces', - type='int') - - def reset_help_menu_entries(self): - "Update the additional help entries on the Help menu" - help_list = idleConf.GetAllExtraHelpSourcesList() - helpmenu = self.menudict['help'] - # first delete the extra help entries, if any - helpmenu_length = helpmenu.index(END) - if helpmenu_length > self.base_helpmenu_length: - helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length) - # then rebuild them - if help_list: - helpmenu.add_separator() - for entry in help_list: - cmd = self.__extra_help_callback(entry[1]) - helpmenu.add_command(label=entry[0], command=cmd) - # and update the menu dictionary - self.menudict['help'] = helpmenu - - def __extra_help_callback(self, helpfile): - "Create a callback with the helpfile value frozen at definition time" - def display_extra_help(helpfile=helpfile): - if not helpfile.startswith(('www', 'http')): - helpfile = os.path.normpath(helpfile) - if sys.platform[:3] == 'win': - try: - os.startfile(helpfile) - except OSError as why: - tkMessageBox.showerror(title='Document Start Failure', - message=str(why), parent=self.text) - else: - webbrowser.open(helpfile) - return display_extra_help - - def update_recent_files_list(self, new_file=None): - "Load and update the recent files list and menus" - rf_list = [] - if os.path.exists(self.recent_files_path): - with open(self.recent_files_path, 'r', - encoding='utf_8', errors='replace') as rf_list_file: - rf_list = rf_list_file.readlines() - if new_file: - new_file = os.path.abspath(new_file) + '\n' - if new_file in rf_list: - rf_list.remove(new_file) # move to top - rf_list.insert(0, new_file) - # clean and save the recent files list - bad_paths = [] - for path in rf_list: - if '\0' in path or not os.path.exists(path[0:-1]): - bad_paths.append(path) - rf_list = [path for path in rf_list if path not in bad_paths] - ulchars = "1234567890ABCDEFGHIJK" - rf_list = rf_list[0:len(ulchars)] - try: - with open(self.recent_files_path, 'w', - encoding='utf_8', errors='replace') as rf_file: - rf_file.writelines(rf_list) - except OSError as err: - if not getattr(self.root, "recentfilelist_error_displayed", False): - self.root.recentfilelist_error_displayed = True - tkMessageBox.showwarning(title='IDLE Warning', - message="Cannot update File menu Recent Files list. " - "Your operating system says:\n%s\n" - "Select OK and IDLE will continue without updating." - % self._filename_to_unicode(str(err)), - parent=self.text) - # for each edit window instance, construct the recent files menu - for instance in self.top.instance_dict: - menu = instance.recent_files_menu - menu.delete(0, END) # clear, and rebuild: - for i, file_name in enumerate(rf_list): - file_name = file_name.rstrip() # zap \n - # make unicode string to display non-ASCII chars correctly - ufile_name = self._filename_to_unicode(file_name) - callback = instance.__recent_file_callback(file_name) - menu.add_command(label=ulchars[i] + " " + ufile_name, - command=callback, - underline=0) - - def __recent_file_callback(self, file_name): - def open_recent_file(fn_closure=file_name): - self.io.open(editFile=fn_closure) - return open_recent_file - - def saved_change_hook(self): - short = self.short_title() - long = self.long_title() - if short and long: - title = short + " - " + long + _py_version - elif short: - title = short - elif long: - title = long - else: - title = "Untitled" - icon = short or long or title - if not self.get_saved(): - title = "*%s*" % title - icon = "*%s" % icon - self.top.wm_title(title) - self.top.wm_iconname(icon) - - def get_saved(self): - return self.undo.get_saved() - - def set_saved(self, flag): - self.undo.set_saved(flag) - - def reset_undo(self): - self.undo.reset_undo() - - def short_title(self): - filename = self.io.filename - if filename: - filename = os.path.basename(filename) - else: - filename = "Untitled" - # return unicode string to display non-ASCII chars correctly - return self._filename_to_unicode(filename) - - def long_title(self): - # return unicode string to display non-ASCII chars correctly - return self._filename_to_unicode(self.io.filename or "") - - def center_insert_event(self, event): - self.center() - - def center(self, mark="insert"): - text = self.text - top, bot = self.getwindowlines() - lineno = self.getlineno(mark) - height = bot - top - newtop = max(1, lineno - height//2) - text.yview(float(newtop)) - - def getwindowlines(self): - text = self.text - top = self.getlineno("@0,0") - bot = self.getlineno("@0,65535") - if top == bot and text.winfo_height() == 1: - # Geometry manager hasn't run yet - height = int(text['height']) - bot = top + height - 1 - return top, bot - - def getlineno(self, mark="insert"): - text = self.text - return int(float(text.index(mark))) - - def get_geometry(self): - "Return (width, height, x, y)" - geom = self.top.wm_geometry() - m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom) - return list(map(int, m.groups())) - - def close_event(self, event): - self.close() - - def maybesave(self): - if self.io: - if not self.get_saved(): - if self.top.state()!='normal': - self.top.deiconify() - self.top.lower() - self.top.lift() - return self.io.maybesave() - - def close(self): - reply = self.maybesave() - if str(reply) != "cancel": - self._close() - return reply - - def _close(self): - if self.io.filename: - self.update_recent_files_list(new_file=self.io.filename) - WindowList.unregister_callback(self.postwindowsmenu) - self.unload_extensions() - self.io.close() - self.io = None - self.undo = None - if self.color: - self.color.close(False) - self.color = None - self.text = None - self.tkinter_vars = None - self.per.close() - self.per = None - self.top.destroy() - if self.close_hook: - # unless override: unregister from flist, terminate if last window - self.close_hook() - - def load_extensions(self): - self.extensions = {} - self.load_standard_extensions() - - def unload_extensions(self): - for ins in list(self.extensions.values()): - if hasattr(ins, "close"): - ins.close() - self.extensions = {} - - def load_standard_extensions(self): - for name in self.get_standard_extension_names(): - try: - self.load_extension(name) - except: - print("Failed to load extension", repr(name)) - traceback.print_exc() - - def get_standard_extension_names(self): - return idleConf.GetExtensions(editor_only=True) - - def load_extension(self, name): - try: - try: - mod = importlib.import_module('.' + name, package=__package__) - except (ImportError, TypeError): - mod = importlib.import_module(name) - except ImportError: - print("\nFailed to import extension: ", name) - raise - cls = getattr(mod, name) - keydefs = idleConf.GetExtensionBindings(name) - if hasattr(cls, "menudefs"): - self.fill_menus(cls.menudefs, keydefs) - ins = cls(self) - self.extensions[name] = ins - if keydefs: - self.apply_bindings(keydefs) - for vevent in keydefs: - methodname = vevent.replace("-", "_") - while methodname[:1] == '<': - methodname = methodname[1:] - while methodname[-1:] == '>': - methodname = methodname[:-1] - methodname = methodname + "_event" - if hasattr(ins, methodname): - self.text.bind(vevent, getattr(ins, methodname)) - - def apply_bindings(self, keydefs=None): - if keydefs is None: - keydefs = self.Bindings.default_keydefs - text = self.text - text.keydefs = keydefs - for event, keylist in keydefs.items(): - if keylist: - text.event_add(event, *keylist) - - def fill_menus(self, menudefs=None, keydefs=None): - """Add appropriate entries to the menus and submenus - - Menus that are absent or None in self.menudict are ignored. - """ - if menudefs is None: - menudefs = self.Bindings.menudefs - if keydefs is None: - keydefs = self.Bindings.default_keydefs - menudict = self.menudict - text = self.text - for mname, entrylist in menudefs: - menu = menudict.get(mname) - if not menu: - continue - for entry in entrylist: - if not entry: - menu.add_separator() - else: - label, eventname = entry - checkbutton = (label[:1] == '!') - if checkbutton: - label = label[1:] - underline, label = prepstr(label) - accelerator = get_accelerator(keydefs, eventname) - def command(text=text, eventname=eventname): - text.event_generate(eventname) - if checkbutton: - var = self.get_var_obj(eventname, BooleanVar) - menu.add_checkbutton(label=label, underline=underline, - command=command, accelerator=accelerator, - variable=var) - else: - menu.add_command(label=label, underline=underline, - command=command, - accelerator=accelerator) - - def getvar(self, name): - var = self.get_var_obj(name) - if var: - value = var.get() - return value - else: - raise NameError(name) - - def setvar(self, name, value, vartype=None): - var = self.get_var_obj(name, vartype) - if var: - var.set(value) - else: - raise NameError(name) - - def get_var_obj(self, name, vartype=None): - var = self.tkinter_vars.get(name) - if not var and vartype: - # create a Tkinter variable object with self.text as master: - self.tkinter_vars[name] = var = vartype(self.text) - return var - - # Tk implementations of "virtual text methods" -- each platform - # reusing IDLE's support code needs to define these for its GUI's - # flavor of widget. - - # Is character at text_index in a Python string? Return 0 for - # "guaranteed no", true for anything else. This info is expensive - # to compute ab initio, but is probably already known by the - # platform's colorizer. - - def is_char_in_string(self, text_index): - if self.color: - # Return true iff colorizer hasn't (re)gotten this far - # yet, or the character is tagged as being in a string - return self.text.tag_prevrange("TODO", text_index) or \ - "STRING" in self.text.tag_names(text_index) - else: - # The colorizer is missing: assume the worst - return 1 - - # If a selection is defined in the text widget, return (start, - # end) as Tkinter text indices, otherwise return (None, None) - def get_selection_indices(self): - try: - first = self.text.index("sel.first") - last = self.text.index("sel.last") - return first, last - except TclError: - return None, None - - # Return the text widget's current view of what a tab stop means - # (equivalent width in spaces). - - def get_tk_tabwidth(self): - current = self.text['tabs'] or TK_TABWIDTH_DEFAULT - return int(current) - - # Set the text widget's current view of what a tab stop means. - - def set_tk_tabwidth(self, newtabwidth): - text = self.text - if self.get_tk_tabwidth() != newtabwidth: - # Set text widget tab width - pixels = text.tk.call("font", "measure", text["font"], - "-displayof", text.master, - "n" * newtabwidth) - text.configure(tabs=pixels) - -### begin autoindent code ### (configuration was moved to beginning of class) - - def set_indentation_params(self, is_py_src, guess=True): - if is_py_src and guess: - i = self.guess_indent() - if 2 <= i <= 8: - self.indentwidth = i - if self.indentwidth != self.tabwidth: - self.usetabs = False - self.set_tk_tabwidth(self.tabwidth) - - def smart_backspace_event(self, event): - text = self.text - first, last = self.get_selection_indices() - if first and last: - text.delete(first, last) - text.mark_set("insert", first) - return "break" - # Delete whitespace left, until hitting a real char or closest - # preceding virtual tab stop. - chars = text.get("insert linestart", "insert") - if chars == '': - if text.compare("insert", ">", "1.0"): - # easy: delete preceding newline - text.delete("insert-1c") - else: - text.bell() # at start of buffer - return "break" - if chars[-1] not in " \t": - # easy: delete preceding real char - text.delete("insert-1c") - return "break" - # Ick. It may require *inserting* spaces if we back up over a - # tab character! This is written to be clear, not fast. - tabwidth = self.tabwidth - have = len(chars.expandtabs(tabwidth)) - assert have > 0 - want = ((have - 1) // self.indentwidth) * self.indentwidth - # Debug prompt is multilined.... - if self.context_use_ps1: - last_line_of_prompt = sys.ps1.split('\n')[-1] - else: - last_line_of_prompt = '' - ncharsdeleted = 0 - while 1: - if chars == last_line_of_prompt: - break - chars = chars[:-1] - ncharsdeleted = ncharsdeleted + 1 - have = len(chars.expandtabs(tabwidth)) - if have <= want or chars[-1] not in " \t": - break - text.undo_block_start() - text.delete("insert-%dc" % ncharsdeleted, "insert") - if have < want: - text.insert("insert", ' ' * (want - have)) - text.undo_block_stop() - return "break" - - def smart_indent_event(self, event): - # if intraline selection: - # delete it - # elif multiline selection: - # do indent-region - # else: - # indent one level - text = self.text - first, last = self.get_selection_indices() - text.undo_block_start() - try: - if first and last: - if index2line(first) != index2line(last): - return self.indent_region_event(event) - text.delete(first, last) - text.mark_set("insert", first) - prefix = text.get("insert linestart", "insert") - raw, effective = classifyws(prefix, self.tabwidth) - if raw == len(prefix): - # only whitespace to the left - self.reindent_to(effective + self.indentwidth) - else: - # tab to the next 'stop' within or to right of line's text: - if self.usetabs: - pad = '\t' - else: - effective = len(prefix.expandtabs(self.tabwidth)) - n = self.indentwidth - pad = ' ' * (n - effective % n) - text.insert("insert", pad) - text.see("insert") - return "break" - finally: - text.undo_block_stop() - - def newline_and_indent_event(self, event): - text = self.text - first, last = self.get_selection_indices() - text.undo_block_start() - try: - if first and last: - text.delete(first, last) - text.mark_set("insert", first) - line = text.get("insert linestart", "insert") - i, n = 0, len(line) - while i < n and line[i] in " \t": - i = i+1 - if i == n: - # the cursor is in or at leading indentation in a continuation - # line; just inject an empty line at the start - text.insert("insert linestart", '\n') - return "break" - indent = line[:i] - # strip whitespace before insert point unless it's in the prompt - i = 0 - last_line_of_prompt = sys.ps1.split('\n')[-1] - while line and line[-1] in " \t" and line != last_line_of_prompt: - line = line[:-1] - i = i+1 - if i: - text.delete("insert - %d chars" % i, "insert") - # strip whitespace after insert point - while text.get("insert") in " \t": - text.delete("insert") - # start new line - text.insert("insert", '\n') - - # adjust indentation for continuations and block - # open/close first need to find the last stmt - lno = index2line(text.index('insert')) - y = PyParse.Parser(self.indentwidth, self.tabwidth) - if not self.context_use_ps1: - for context in self.num_context_lines: - startat = max(lno - context, 1) - startatindex = repr(startat) + ".0" - rawtext = text.get(startatindex, "insert") - y.set_str(rawtext) - bod = y.find_good_parse_start( - self.context_use_ps1, - self._build_char_in_string_func(startatindex)) - if bod is not None or startat == 1: - break - y.set_lo(bod or 0) - else: - r = text.tag_prevrange("console", "insert") - if r: - startatindex = r[1] - else: - startatindex = "1.0" - rawtext = text.get(startatindex, "insert") - y.set_str(rawtext) - y.set_lo(0) - - c = y.get_continuation_type() - if c != PyParse.C_NONE: - # The current stmt hasn't ended yet. - if c == PyParse.C_STRING_FIRST_LINE: - # after the first line of a string; do not indent at all - pass - elif c == PyParse.C_STRING_NEXT_LINES: - # inside a string which started before this line; - # just mimic the current indent - text.insert("insert", indent) - elif c == PyParse.C_BRACKET: - # line up with the first (if any) element of the - # last open bracket structure; else indent one - # level beyond the indent of the line with the - # last open bracket - self.reindent_to(y.compute_bracket_indent()) - elif c == PyParse.C_BACKSLASH: - # if more than one line in this stmt already, just - # mimic the current indent; else if initial line - # has a start on an assignment stmt, indent to - # beyond leftmost =; else to beyond first chunk of - # non-whitespace on initial line - if y.get_num_lines_in_stmt() > 1: - text.insert("insert", indent) - else: - self.reindent_to(y.compute_backslash_indent()) - else: - assert 0, "bogus continuation type %r" % (c,) - return "break" - - # This line starts a brand new stmt; indent relative to - # indentation of initial line of closest preceding - # interesting stmt. - indent = y.get_base_indent_string() - text.insert("insert", indent) - if y.is_block_opener(): - self.smart_indent_event(event) - elif indent and y.is_block_closer(): - self.smart_backspace_event(event) - return "break" - finally: - text.see("insert") - text.undo_block_stop() - - # Our editwin provides an is_char_in_string function that works - # with a Tk text index, but PyParse only knows about offsets into - # a string. This builds a function for PyParse that accepts an - # offset. - - def _build_char_in_string_func(self, startindex): - def inner(offset, _startindex=startindex, - _icis=self.is_char_in_string): - return _icis(_startindex + "+%dc" % offset) - return inner - - def indent_region_event(self, event): - head, tail, chars, lines = self.get_region() - for pos in range(len(lines)): - line = lines[pos] - if line: - raw, effective = classifyws(line, self.tabwidth) - effective = effective + self.indentwidth - lines[pos] = self._make_blanks(effective) + line[raw:] - self.set_region(head, tail, chars, lines) - return "break" - - def dedent_region_event(self, event): - head, tail, chars, lines = self.get_region() - for pos in range(len(lines)): - line = lines[pos] - if line: - raw, effective = classifyws(line, self.tabwidth) - effective = max(effective - self.indentwidth, 0) - lines[pos] = self._make_blanks(effective) + line[raw:] - self.set_region(head, tail, chars, lines) - return "break" - - def comment_region_event(self, event): - head, tail, chars, lines = self.get_region() - for pos in range(len(lines) - 1): - line = lines[pos] - lines[pos] = '##' + line - self.set_region(head, tail, chars, lines) - - def uncomment_region_event(self, event): - head, tail, chars, lines = self.get_region() - for pos in range(len(lines)): - line = lines[pos] - if not line: - continue - if line[:2] == '##': - line = line[2:] - elif line[:1] == '#': - line = line[1:] - lines[pos] = line - self.set_region(head, tail, chars, lines) - - def tabify_region_event(self, event): - head, tail, chars, lines = self.get_region() - tabwidth = self._asktabwidth() - if tabwidth is None: return - for pos in range(len(lines)): - line = lines[pos] - if line: - raw, effective = classifyws(line, tabwidth) - ntabs, nspaces = divmod(effective, tabwidth) - lines[pos] = '\t' * ntabs + ' ' * nspaces + line[raw:] - self.set_region(head, tail, chars, lines) - - def untabify_region_event(self, event): - head, tail, chars, lines = self.get_region() - tabwidth = self._asktabwidth() - if tabwidth is None: return - for pos in range(len(lines)): - lines[pos] = lines[pos].expandtabs(tabwidth) - self.set_region(head, tail, chars, lines) - - def toggle_tabs_event(self, event): - if self.askyesno( - "Toggle tabs", - "Turn tabs " + ("on", "off")[self.usetabs] + - "?\nIndent width " + - ("will be", "remains at")[self.usetabs] + " 8." + - "\n Note: a tab is always 8 columns", - parent=self.text): - self.usetabs = not self.usetabs - # Try to prevent inconsistent indentation. - # User must change indent width manually after using tabs. - self.indentwidth = 8 - return "break" - - # XXX this isn't bound to anything -- see tabwidth comments -## def change_tabwidth_event(self, event): -## new = self._asktabwidth() -## if new != self.tabwidth: -## self.tabwidth = new -## self.set_indentation_params(0, guess=0) -## return "break" - - def change_indentwidth_event(self, event): - new = self.askinteger( - "Indent width", - "New indent width (2-16)\n(Always use 8 when using tabs)", - parent=self.text, - initialvalue=self.indentwidth, - minvalue=2, - maxvalue=16) - if new and new != self.indentwidth and not self.usetabs: - self.indentwidth = new - return "break" - - def get_region(self): - text = self.text - first, last = self.get_selection_indices() - if first and last: - head = text.index(first + " linestart") - tail = text.index(last + "-1c lineend +1c") - else: - head = text.index("insert linestart") - tail = text.index("insert lineend +1c") - chars = text.get(head, tail) - lines = chars.split("\n") - return head, tail, chars, lines - - def set_region(self, head, tail, chars, lines): - text = self.text - newchars = "\n".join(lines) - if newchars == chars: - text.bell() - return - text.tag_remove("sel", "1.0", "end") - text.mark_set("insert", head) - text.undo_block_start() - text.delete(head, tail) - text.insert(head, newchars) - text.undo_block_stop() - text.tag_add("sel", head, "insert") - - # Make string that displays as n leading blanks. - - def _make_blanks(self, n): - if self.usetabs: - ntabs, nspaces = divmod(n, self.tabwidth) - return '\t' * ntabs + ' ' * nspaces - else: - return ' ' * n - - # Delete from beginning of line to insert point, then reinsert - # column logical (meaning use tabs if appropriate) spaces. - - def reindent_to(self, column): - text = self.text - text.undo_block_start() - if text.compare("insert linestart", "!=", "insert"): - text.delete("insert linestart", "insert") - if column: - text.insert("insert", self._make_blanks(column)) - text.undo_block_stop() - - def _asktabwidth(self): - return self.askinteger( - "Tab width", - "Columns per tab? (2-16)", - parent=self.text, - initialvalue=self.indentwidth, - minvalue=2, - maxvalue=16) - - # Guess indentwidth from text content. - # Return guessed indentwidth. This should not be believed unless - # it's in a reasonable range (e.g., it will be 0 if no indented - # blocks are found). - - def guess_indent(self): - opener, indented = IndentSearcher(self.text, self.tabwidth).run() - if opener and indented: - raw, indentsmall = classifyws(opener, self.tabwidth) - raw, indentlarge = classifyws(indented, self.tabwidth) - else: - indentsmall = indentlarge = 0 - return indentlarge - indentsmall - -# "line.col" -> line, as an int -def index2line(index): - return int(float(index)) - -# Look at the leading whitespace in s. -# Return pair (# of leading ws characters, -# effective # of leading blanks after expanding -# tabs to width tabwidth) - -def classifyws(s, tabwidth): - raw = effective = 0 - for ch in s: - if ch == ' ': - raw = raw + 1 - effective = effective + 1 - elif ch == '\t': - raw = raw + 1 - effective = (effective // tabwidth + 1) * tabwidth - else: - break - return raw, effective - -import tokenize -_tokenize = tokenize -del tokenize - -class IndentSearcher(object): - - # .run() chews over the Text widget, looking for a block opener - # and the stmt following it. Returns a pair, - # (line containing block opener, line containing stmt) - # Either or both may be None. - - def __init__(self, text, tabwidth): - self.text = text - self.tabwidth = tabwidth - self.i = self.finished = 0 - self.blkopenline = self.indentedline = None - - def readline(self): - if self.finished: - return "" - i = self.i = self.i + 1 - mark = repr(i) + ".0" - if self.text.compare(mark, ">=", "end"): - return "" - return self.text.get(mark, mark + " lineend+1c") - - def tokeneater(self, type, token, start, end, line, - INDENT=_tokenize.INDENT, - NAME=_tokenize.NAME, - OPENERS=('class', 'def', 'for', 'if', 'try', 'while')): - if self.finished: - pass - elif type == NAME and token in OPENERS: - self.blkopenline = line - elif type == INDENT and self.blkopenline: - self.indentedline = line - self.finished = 1 - - def run(self): - save_tabsize = _tokenize.tabsize - _tokenize.tabsize = self.tabwidth - try: - try: - tokens = _tokenize.generate_tokens(self.readline) - for token in tokens: - self.tokeneater(*token) - except (_tokenize.TokenError, SyntaxError): - # since we cut off the tokenizer early, we can trigger - # spurious errors - pass - finally: - _tokenize.tabsize = save_tabsize - return self.blkopenline, self.indentedline - -### end autoindent code ### - -def prepstr(s): - # Helper to extract the underscore from a string, e.g. - # prepstr("Co_py") returns (2, "Copy"). - i = s.find('_') - if i >= 0: - s = s[:i] + s[i+1:] - return i, s - - -keynames = { - 'bracketleft': '[', - 'bracketright': ']', - 'slash': '/', -} - -def get_accelerator(keydefs, eventname): - keylist = keydefs.get(eventname) - # issue10940: temporary workaround to prevent hang with OS X Cocoa Tk 8.5 - # if not keylist: - if (not keylist) or (macosxSupport.isCocoaTk() and eventname in { - "<<open-module>>", - "<<goto-line>>", - "<<change-indentwidth>>"}): - return "" - s = keylist[0] - s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s) - s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s) - s = re.sub("Key-", "", s) - s = re.sub("Cancel","Ctrl-Break",s) # dscherer@cmu.edu - s = re.sub("Control-", "Ctrl-", s) - s = re.sub("-", "+", s) - s = re.sub("><", " ", s) - s = re.sub("<", "", s) - s = re.sub(">", "", s) - return s - - -def fixwordbreaks(root): - # Make sure that Tk's double-click and next/previous word - # operations use our definition of a word (i.e. an identifier) - tk = root.tk - tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded - tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]') - tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]') - - -def _editor_window(parent): # htest # - # error if close master window first - timer event, after script - root = parent - fixwordbreaks(root) - if sys.argv[1:]: - filename = sys.argv[1] - else: - filename = None - macosxSupport.setupApp(root, None) - edit = EditorWindow(root=root, filename=filename) - edit.text.bind("<<close-all-windows>>", edit.close_event) - # Does not stop error, neither does following - # edit.text.bind("<<close-window>>", edit.close_event) - -if __name__ == '__main__': - from idlelib.idle_test.htest import run - run(_editor_window) |