diff options
Diffstat (limited to 'Tools/idle/EditorWindow.py')
| -rw-r--r-- | Tools/idle/EditorWindow.py | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/Tools/idle/EditorWindow.py b/Tools/idle/EditorWindow.py deleted file mode 100644 index e8c310a..0000000 --- a/Tools/idle/EditorWindow.py +++ /dev/null @@ -1,756 +0,0 @@ -import sys -import os -import re -import imp -from Tkinter import * -import tkSimpleDialog -import tkMessageBox - -import webbrowser -import idlever -import WindowList -from IdleConf import idleconf - -# The default tab setting for a Text widget, in average-width characters. -TK_TABWIDTH_DEFAULT = 8 - -# File menu - -#$ event <<open-module>> -#$ win <Alt-m> -#$ unix <Control-x><Control-m> - -#$ event <<open-class-browser>> -#$ win <Alt-c> -#$ unix <Control-x><Control-b> - -#$ event <<open-path-browser>> - -#$ event <<close-window>> - -#$ unix <Control-x><Control-0> -#$ unix <Control-x><Key-0> -#$ win <Alt-F4> - -# Edit menu - -#$ event <<Copy>> -#$ win <Control-c> -#$ unix <Alt-w> - -#$ event <<Cut>> -#$ win <Control-x> -#$ unix <Control-w> - -#$ event <<Paste>> -#$ win <Control-v> -#$ unix <Control-y> - -#$ event <<select-all>> -#$ win <Alt-a> -#$ unix <Alt-a> - -# Help menu - -#$ event <<help>> -#$ win <F1> -#$ unix <F1> - -#$ event <<about-idle>> - -# Events without menu entries - -#$ event <<remove-selection>> -#$ win <Escape> - -#$ event <<center-insert>> -#$ win <Control-l> -#$ unix <Control-l> - -#$ event <<do-nothing>> -#$ unix <Control-x> - - -about_title = "About IDLE" -about_text = """\ -IDLE %s - -An Integrated DeveLopment Environment for Python - -by Guido van Rossum -""" % idlever.IDLE_VERSION - -def _find_module(fullname, path=None): - """Version of imp.find_module() that handles hierarchical module names""" - - file = None - for tgt in fullname.split('.'): - if file is not None: - file.close() # close intermediate files - (file, filename, descr) = imp.find_module(tgt, path) - if descr[2] == imp.PY_SOURCE: - break # find but not load the source file - module = imp.load_module(tgt, file, filename, descr) - try: - path = module.__path__ - except AttributeError: - raise ImportError, 'No source for module ' + module.__name__ - return file, filename, descr - -class EditorWindow: - - from Percolator import Percolator - from ColorDelegator import ColorDelegator - from UndoDelegator import UndoDelegator - from IOBinding import IOBinding - import Bindings - from Tkinter import Toplevel - from MultiStatusBar import MultiStatusBar - - about_title = about_title - about_text = about_text - - vars = {} - runnable = False # Shell window cannot Import Module or Run Script - - def __init__(self, flist=None, filename=None, key=None, root=None): - edconf = idleconf.getsection('EditorWindow') - coconf = idleconf.getsection('Colors') - self.flist = flist - root = root or flist.root - self.root = root - if flist: - self.vars = flist.vars - self.menubar = Menu(root) - self.top = top = self.Toplevel(root, menu=self.menubar) - self.vbar = vbar = Scrollbar(top, name='vbar') - self.text_frame = text_frame = Frame(top) - self.text = text = Text(text_frame, name='text', padx=5, - foreground=coconf.getdef('normal-foreground'), - background=coconf.getdef('normal-background'), - highlightcolor=coconf.getdef('hilite-foreground'), - highlightbackground=coconf.getdef('hilite-background'), - insertbackground=coconf.getdef('cursor-background'), - width=edconf.getint('width'), - height=edconf.getint('height'), - wrap="none") - - self.createmenubar() - self.apply_bindings() - - self.top.protocol("WM_DELETE_WINDOW", self.close) - self.top.bind("<<close-window>>", self.close_event) - 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-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("<3>", self.right_menu_event) - if flist: - flist.inversedict[self] = key - if key: - flist.dict[key] = self - text.bind("<<open-new-window>>", self.flist.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) - - vbar['command'] = text.yview - vbar.pack(side=RIGHT, fill=Y) - - text['yscrollcommand'] = vbar.set - text['font'] = edconf.get('font-name'), edconf.get('font-size') - text_frame.pack(side=LEFT, fill=BOTH, expand=1) - text.pack(side=TOP, fill=BOTH, expand=1) - text.focus_set() - - self.per = per = self.Percolator(text) - if self.ispythonsource(filename): - self.color = color = self.ColorDelegator(); per.insertfilter(color) - ##print "Initial colorizer" - else: - ##print "No initial colorizer" - self.color = None - self.undo = undo = self.UndoDelegator(); per.insertfilter(undo) - self.io = io = self.IOBinding(self) - - 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) - io.set_filename_change_hook(self.filename_change_hook) - - if filename: - if os.path.exists(filename): - io.loadfile(filename) - else: - io.set_filename(filename) - - self.saved_change_hook() - - 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 - - if self.extensions.has_key('AutoIndent'): - self.extensions['AutoIndent'].set_indentation_params( - self.ispythonsource(filename)) - self.set_status_bar() - - def set_status_bar(self): - self.status_bar = self.MultiStatusBar(self.text_frame) - 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) - self.text.bind('<KeyRelease>', self.set_line_and_column) - self.text.bind('<ButtonRelease>', self.set_line_and_column) - 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) - - def wakeup(self): - if self.top.wm_state() == "iconic": - self.top.wm_deiconify() - else: - self.top.tkraise() - self.text.focus_set() - - menu_specs = [ - ("file", "_File"), - ("edit", "_Edit"), - ("windows", "_Windows"), - ("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) - mbar.add_cascade(label=label, menu=menu, underline=underline) - self.fill_menus() - - def postwindowsmenu(self): - # Only called when Windows menu exists - # XXX Actually, this Just-In-Time updating interferes badly - # XXX with the tear-off feature. It would be better to update - # XXX all Windows menus whenever the list of windows changes. - 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.tag_remove("sel", "1.0", "end") - 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") - rmenu.tk_popup(event.x_root, event.y_root) - if iswin: - self.text.config(cursor="ibeam") - - rmenu_specs = [ - # ("Label", "<<virtual-event>>"), ... - ("Close", "<<close-window>>"), # Example - ] - - def make_rmenu(self): - rmenu = Menu(self.text, tearoff=0) - for label, eventname in self.rmenu_specs: - def command(text=self.text, eventname=eventname): - text.event_generate(eventname) - rmenu.add_command(label=label, command=command) - self.rmenu = rmenu - - def about_dialog(self, event=None): - tkMessageBox.showinfo(self.about_title, self.about_text, - master=self.text) - - helpfile = "help.txt" - - def help_dialog(self, event=None): - try: - helpfile = os.path.join(os.path.dirname(__file__), self.helpfile) - except NameError: - helpfile = self.helpfile - if self.flist: - self.flist.open(helpfile) - else: - self.io.loadfile(helpfile) - - help_url = "http://www.python.org/doc/current/" - if sys.platform[:3] == "win": - fn = os.path.dirname(__file__) - fn = os.path.join(fn, os.pardir, os.pardir, "pythlp.chm") - fn = os.path.normpath(fn) - if os.path.isfile(fn): - help_url = fn - else: - fn = os.path.dirname(__file__) - fn = os.path.join(fn, os.pardir, os.pardir, "Doc", "index.html") - fn = os.path.normpath(fn) - if os.path.isfile(fn): - help_url = fn - del fn - - def python_docs(self, event=None): - os.startfile(self.help_url) - else: - def python_docs(self, event=None): - webbrowser.open(self.help_url) - - 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 open_module(self, event=None): - # XXX Shouldn't this be in IOBinding or in FileList? - try: - name = self.text.get("sel.first", "sel.last") - except TclError: - name = "" - else: - name = name.strip() - if not name: - name = tkSimpleDialog.askstring("Module", - "Enter the name of a Python module\n" - "to search on sys.path and open:", - parent=self.text) - if name: - name = name.strip() - if not name: - return - # XXX Ought to insert current file's directory in front of path - try: - (f, file, (suffix, mode, type)) = _find_module(name) - except (NameError, ImportError), msg: - tkMessageBox.showerror("Import error", str(msg), parent=self.text) - return - if type != imp.PY_SOURCE: - tkMessageBox.showerror("Unsupported type", - "%s is not a source module" % name, parent=self.text) - return - if f: - f.close() - if self.flist: - self.flist.open(file) - else: - self.io.loadfile(file) - - def open_class_browser(self, event=None): - filename = self.io.filename - if not filename: - tkMessageBox.showerror( - "No filename", - "This buffer has no associated filename", - master=self.text) - self.text.focus_set() - return None - head, tail = os.path.split(filename) - base, ext = os.path.splitext(tail) - import ClassBrowser - ClassBrowser.ClassBrowser(self.flist, base, [head]) - - def open_path_browser(self, event=None): - import PathBrowser - PathBrowser.PathBrowser(self.flist) - - 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: - return True - base, ext = os.path.splitext(os.path.basename(filename)) - if os.path.normcase(ext) in (".py", ".pyw"): - return True - try: - f = open(filename) - line = f.readline() - f.close() - except IOError: - return False - return line.startswith('#!') and 'python' in line - - def close_hook(self): - if self.flist: - self.flist.close_edit(self) - - 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() - if self.ispythonsource(self.io.filename): - self.addcolorizer() - else: - self.rmcolorizer() - - def addcolorizer(self): - if self.color: - return - ##print "Add colorizer" - self.per.removefilter(self.undo) - self.color = self.ColorDelegator() - self.per.insertfilter(self.color) - self.per.insertfilter(self.undo) - - def rmcolorizer(self): - if not self.color: - return - ##print "Remove colorizer" - self.per.removefilter(self.undo) - self.per.removefilter(self.color) - self.color = None - self.per.insertfilter(self.undo) - - def saved_change_hook(self): - short = self.short_title() - long = self.long_title() - if short and long: - title = short + " - " + long - 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) - return filename - - def long_title(self): - return 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 close_event(self, event): - self.close() - - def maybesave(self): - if self.io: - return self.io.maybesave() - - def close(self): - self.top.wm_deiconify() - self.top.tkraise() - reply = self.maybesave() - if reply != "cancel": - self._close() - return reply - - def _close(self): - WindowList.unregister_callback(self.postwindowsmenu) - if self.close_hook: - self.close_hook() - self.flist = None - colorizing = 0 - self.unload_extensions() - self.io.close(); self.io = None - self.undo = None # XXX - if self.color: - colorizing = self.color.colorizing - doh = colorizing and self.top - self.color.close(doh) # Cancel colorization - self.text = None - self.vars = None - self.per.close(); self.per = None - if not colorizing: - self.top.destroy() - - def load_extensions(self): - self.extensions = {} - self.load_standard_extensions() - - def unload_extensions(self): - for ins in 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", `name` - import traceback - traceback.print_exc() - - def get_standard_extension_names(self): - return idleconf.getextensions() - - def load_extension(self, name): - mod = __import__(name, globals(), locals(), []) - cls = getattr(mod, name) - ins = cls(self) - self.extensions[name] = ins - kdnames = ["keydefs"] - if sys.platform == 'win32': - kdnames.append("windows_keydefs") - elif sys.platform == 'mac': - kdnames.append("mac_keydefs") - else: - kdnames.append("unix_keydefs") - keydefs = {} - for kdname in kdnames: - if hasattr(ins, kdname): - keydefs.update(getattr(ins, kdname)) - if keydefs: - self.apply_bindings(keydefs) - for vevent in keydefs.keys(): - 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)) - if hasattr(ins, "menudefs"): - self.fill_menus(ins.menudefs, keydefs) - return ins - - 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: - apply(text.event_add, (event,) + tuple(keylist)) - - def fill_menus(self, defs=None, keydefs=None): - # Fill the menus. Menus that are absent or None in - # self.menudict are ignored. - if defs is None: - defs = self.Bindings.menudefs - if keydefs is None: - keydefs = self.Bindings.default_keydefs - menudict = self.menudict - text = self.text - for mname, itemlist in defs: - menu = menudict.get(mname) - if not menu: - continue - for item in itemlist: - if not item: - menu.add_separator() - else: - label, event = item - checkbutton = (label[:1] == '!') - if checkbutton: - label = label[1:] - underline, label = prepstr(label) - accelerator = get_accelerator(keydefs, event) - def command(text=text, event=event): - text.event_generate(event) - if checkbutton: - var = self.getrawvar(event, 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.getrawvar(name) - if var: - return var.get() - - def setvar(self, name, value, vartype=None): - var = self.getrawvar(name, vartype) - if var: - var.set(value) - - def getrawvar(self, name, vartype=None): - var = self.vars.get(name) - if not var and vartype: - self.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_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_tabwidth(self, newtabwidth): - text = self.text - if self.get_tabwidth() != newtabwidth: - pixels = text.tk.call("font", "measure", text["font"], - "-displayof", text.master, - "n" * newtabwidth) - text.configure(tabs=pixels) - -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, event): - keylist = keydefs.get(event) - if not keylist: - 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("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 test(): - root = Tk() - fixwordbreaks(root) - root.withdraw() - if sys.argv[1:]: - filename = sys.argv[1] - else: - filename = None - edit = EditorWindow(root=root, filename=filename) - edit.set_close_hook(root.quit) - root.mainloop() - root.destroy() - -if __name__ == '__main__': - test() |