mirror of
https://github.com/python/cpython.git
synced 2025-10-31 13:41:24 +00:00
1423 lines
51 KiB
Python
1423 lines
51 KiB
Python
import sys
|
|
import os
|
|
import re
|
|
import imp
|
|
from Tkinter import *
|
|
import tkSimpleDialog
|
|
import tkMessageBox
|
|
|
|
import webbrowser
|
|
import idlever
|
|
import WindowList
|
|
import SearchDialog
|
|
import GrepDialog
|
|
import ReplaceDialog
|
|
import PyParse
|
|
from configHandler import idleConf
|
|
import aboutDialog, textView, configDialog
|
|
|
|
# The default tab setting for a Text widget, in average-width characters.
|
|
TK_TABWIDTH_DEFAULT = 8
|
|
|
|
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
|
|
|
|
vars = {}
|
|
help_url = None
|
|
|
|
def __init__(self, flist=None, filename=None, key=None, root=None):
|
|
if EditorWindow.help_url is None:
|
|
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')
|
|
else:
|
|
dochome = os.path.join(sys.prefix, 'Doc', 'index.html')
|
|
dochome = os.path.normpath(dochome)
|
|
if os.path.isfile(dochome):
|
|
EditorWindow.help_url = dochome
|
|
else:
|
|
EditorWindow.help_url = "http://www.python.org/doc/current"
|
|
currentTheme=idleConf.CurrentTheme()
|
|
self.flist = flist
|
|
root = root or flist.root
|
|
self.root = root
|
|
self.menubar = Menu(root)
|
|
self.top = top = self.Toplevel(root, menu=self.menubar)
|
|
if flist:
|
|
self.vars = flist.vars
|
|
#self.top.instanceDict makes flist.inversedict avalable to
|
|
#configDialog.py so it can access all EditorWindow instaces
|
|
self.top.instanceDict=flist.inversedict
|
|
self.recentFilesPath=os.path.join(idleConf.GetUserCfgDir(),
|
|
'recent-files.lst')
|
|
self.vbar = vbar = Scrollbar(top, name='vbar')
|
|
self.text_frame = text_frame = Frame(top)
|
|
self.width = idleConf.GetOption('main','EditorWindow','width')
|
|
self.text = text = Text(text_frame, name='text', padx=5, wrap='none',
|
|
foreground=idleConf.GetHighlight(currentTheme,
|
|
'normal',fgBg='fg'),
|
|
background=idleConf.GetHighlight(currentTheme,
|
|
'normal',fgBg='bg'),
|
|
highlightcolor=idleConf.GetHighlight(currentTheme,
|
|
'hilite',fgBg='fg'),
|
|
highlightbackground=idleConf.GetHighlight(currentTheme,
|
|
'hilite',fgBg='bg'),
|
|
insertbackground=idleConf.GetHighlight(currentTheme,
|
|
'cursor',fgBg='fg'),
|
|
width=self.width,
|
|
height=idleConf.GetOption('main','EditorWindow','height') )
|
|
|
|
self.createmenubar()
|
|
self.apply_bindings()
|
|
|
|
self.top.protocol("WM_DELETE_WINDOW", self.close)
|
|
self.top.bind("<<close-window>>", self.close_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("<<view-readme>>", self.view_readme)
|
|
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("<3>", self.right_menu_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))
|
|
|
|
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)
|
|
|
|
self.set_status_bar()
|
|
vbar['command'] = text.yview
|
|
vbar.pack(side=RIGHT, fill=Y)
|
|
text['yscrollcommand'] = vbar.set
|
|
fontWeight='normal'
|
|
if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
|
|
fontWeight='bold'
|
|
text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
|
|
idleConf.GetOption('main','EditorWindow','font-size'),
|
|
fontWeight))
|
|
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)
|
|
else:
|
|
self.color = None
|
|
|
|
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)
|
|
|
|
#create the Recent Files submenu
|
|
self.menuRecentFiles=Menu(self.menubar)
|
|
self.menudict['file'].insert_cascade(3,label='Recent Files',
|
|
underline=0,menu=self.menuRecentFiles)
|
|
self.UpdateRecentFilesList()
|
|
|
|
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))
|
|
|
|
def set_status_bar(self):
|
|
self.status_bar = self.MultiStatusBar(self.top)
|
|
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"),
|
|
("format", "F_ormat"),
|
|
("run", "_Run"),
|
|
("options", "_Options"),
|
|
("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()
|
|
self.base_helpmenu_length = self.menudict['help'].index(END)
|
|
self.reset_help_menu_entries()
|
|
|
|
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):
|
|
aboutDialog.AboutDialog(self.top,'About IDLEfork')
|
|
|
|
def config_dialog(self, event=None):
|
|
configDialog.ConfigDialog(self.top,'Settings')
|
|
|
|
def view_readme(self, event=None):
|
|
fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'README.txt')
|
|
textView.TextViewer(self.top,'IDLEfork - README',fn)
|
|
|
|
def help_dialog(self, event=None):
|
|
fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
|
|
textView.TextViewer(self.top,'Help',fn)
|
|
|
|
def python_docs(self, event=None):
|
|
if sys.platform.count('win') or sys.platform.count('nt'):
|
|
os.startfile(self.help_url)
|
|
return "break"
|
|
else:
|
|
webbrowser.open(self.help_url)
|
|
return "break"
|
|
|
|
def display_docs(self, url):
|
|
if not (url.startswith('www') or url.startswith('http')):
|
|
url = os.path.normpath(url)
|
|
if sys.platform.count('win') or sys.platform.count('nt'):
|
|
os.startfile(url)
|
|
else:
|
|
webbrowser.open(url)
|
|
|
|
def cut(self,event):
|
|
self.text.event_generate("<<Cut>>")
|
|
return "break"
|
|
|
|
def copy(self,event):
|
|
self.text.event_generate("<<Copy>>")
|
|
return "break"
|
|
|
|
def paste(self,event):
|
|
self.text.event_generate("<<Paste>>")
|
|
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 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 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 line.find('python') >= 0
|
|
|
|
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
|
|
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
|
|
self.per.removefilter(self.undo)
|
|
self.per.removefilter(self.color)
|
|
self.color = None
|
|
self.per.insertfilter(self.undo)
|
|
|
|
def ResetColorizer(self):
|
|
"Update the colour theme if it is changed"
|
|
# Called from configDialog.py
|
|
if self.color:
|
|
self.color = self.ColorDelegator()
|
|
self.per.insertfilter(self.color)
|
|
|
|
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'),
|
|
fontWeight))
|
|
|
|
def ResetKeybindings(self):
|
|
"Update the keybindings if they are changed"
|
|
# Called from configDialog.py
|
|
self.Bindings.default_keydefs=idleConf.GetCurrentKeySet()
|
|
keydefs = self.Bindings.default_keydefs
|
|
for event, keylist in keydefs.items():
|
|
self.text.event_delete(event)
|
|
self.apply_bindings()
|
|
#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.keys():
|
|
menu=self.menudict[menubarItem]
|
|
end=menu.index(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 menuEventDict.has_key(menubarItem):
|
|
if menuEventDict[menubarItem].has_key(itemName):
|
|
event=menuEventDict[menubarItem][itemName]
|
|
if event:
|
|
#print 'accel was:',accel
|
|
accel=get_accelerator(keydefs, event)
|
|
menu.entryconfig(index,accelerator=accel)
|
|
#print 'accel now:',accel,'\n'
|
|
|
|
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):
|
|
self.display_docs(helpfile)
|
|
return display_extra_help
|
|
|
|
def UpdateRecentFilesList(self,newFile=None):
|
|
"Load or update the recent files list, and menu if required"
|
|
rfList=[]
|
|
if os.path.exists(self.recentFilesPath):
|
|
RFfile=open(self.recentFilesPath,'r')
|
|
try:
|
|
rfList=RFfile.readlines()
|
|
finally:
|
|
RFfile.close()
|
|
if newFile:
|
|
newFile=os.path.abspath(newFile)+'\n'
|
|
if newFile in rfList:
|
|
rfList.remove(newFile)
|
|
rfList.insert(0,newFile)
|
|
rfList=self.__CleanRecentFiles(rfList)
|
|
#print self.flist.inversedict
|
|
#print self.top.instanceDict
|
|
#print self
|
|
ullist = "1234567890ABCDEFGHIJ"
|
|
if rfList:
|
|
for instance in self.top.instanceDict.keys():
|
|
menu = instance.menuRecentFiles
|
|
menu.delete(1,END)
|
|
i = 0 ; ul = 0; ullen = len(ullist)
|
|
for file in rfList:
|
|
fileName=file[0:-1]
|
|
callback = instance.__RecentFileCallback(fileName)
|
|
if i > ullen: # don't underline menuitems
|
|
ul=None
|
|
menu.add_command(label=ullist[i] + " " + fileName,
|
|
command=callback,
|
|
underline=ul)
|
|
i += 1
|
|
|
|
def __CleanRecentFiles(self,rfList):
|
|
origRfList=rfList[:]
|
|
count=0
|
|
nonFiles=[]
|
|
for path in rfList:
|
|
if not os.path.exists(path[0:-1]):
|
|
nonFiles.append(count)
|
|
count=count+1
|
|
if nonFiles:
|
|
nonFiles.reverse()
|
|
for index in nonFiles:
|
|
del(rfList[index])
|
|
if len(rfList)>19:
|
|
rfList=rfList[0:19]
|
|
#if rfList != origRfList:
|
|
RFfile=open(self.recentFilesPath,'w')
|
|
try:
|
|
RFfile.writelines(rfList)
|
|
finally:
|
|
RFfile.close()
|
|
return rfList
|
|
|
|
def __RecentFileCallback(self,fileName):
|
|
def OpenRecentFile(fileName=fileName):
|
|
self.io.open(editFile=fileName)
|
|
return OpenRecentFile
|
|
|
|
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 get_geometry(self):
|
|
"Return (width, height, x, y)"
|
|
geom = self.top.wm_geometry()
|
|
m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
|
|
tuple = (map(int, m.groups()))
|
|
return tuple
|
|
|
|
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 reply != "cancel":
|
|
self._close()
|
|
return reply
|
|
|
|
def _close(self):
|
|
#print self.io.filename
|
|
if self.io.filename:
|
|
self.UpdateRecentFilesList(newFile=self.io.filename)
|
|
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
|
|
keydefs=idleConf.GetExtensionBindings(name)
|
|
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):
|
|
"""Add appropriate entries to the menus and submenus
|
|
|
|
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)
|
|
|
|
### begin autoindent code ###
|
|
|
|
# usetabs true -> literal tab characters are used by indent and
|
|
# dedent cmds, possibly mixed with spaces if
|
|
# indentwidth is not a multiple of tabwidth
|
|
# false -> tab characters are converted to spaces by indent
|
|
# and dedent cmds, and ditto TAB keystrokes
|
|
# indentwidth is the number of characters per logical indent level.
|
|
# 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.
|
|
usetabs = 0
|
|
indentwidth = 4
|
|
tabwidth = 8 # for IDLE use, must remain 8 until Tk is fixed
|
|
|
|
# If context_use_ps1 is true, parsing searches back for a ps1 line;
|
|
# else searches for a popular (if, def, ...) Python stmt.
|
|
context_use_ps1 = 0
|
|
|
|
# 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.
|
|
num_context_lines = 50, 500, 5000000
|
|
|
|
def config(self, **options):
|
|
for key, value in options.items():
|
|
if key == 'usetabs':
|
|
self.usetabs = value
|
|
elif key == 'indentwidth':
|
|
self.indentwidth = value
|
|
elif key == 'tabwidth':
|
|
self.tabwidth = value
|
|
elif key == 'context_use_ps1':
|
|
self.context_use_ps1 = value
|
|
else:
|
|
raise KeyError, "bad option name: %s" % `key`
|
|
|
|
# If ispythonsource and guess are true, guess a good value for
|
|
# indentwidth based on file content (if possible), and if
|
|
# indentwidth != tabwidth set usetabs false.
|
|
# In any case, adjust the Text widget's view of what a tab
|
|
# character means.
|
|
|
|
def set_indentation_params(self, ispythonsource, guess=1):
|
|
if guess and ispythonsource:
|
|
i = self.guess_indent()
|
|
if 2 <= i <= 8:
|
|
self.indentwidth = i
|
|
if self.indentwidth != self.tabwidth:
|
|
self.usetabs = 0
|
|
|
|
self.set_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....
|
|
last_line_of_prompt = sys.ps1.split('\n')[-1]
|
|
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 & return
|
|
# 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:
|
|
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)
|
|
for context in self.num_context_lines:
|
|
startat = max(lno - context, 1)
|
|
startatindex = `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)
|
|
c = y.get_continuation_type()
|
|
if c != PyParse.C_NONE:
|
|
# The current stmt hasn't ended yet.
|
|
if c == PyParse.C_STRING:
|
|
# inside a string; 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 " + `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()
|
|
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()
|
|
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] + "?",
|
|
parent=self.text):
|
|
self.usetabs = not self.usetabs
|
|
return "break"
|
|
|
|
# XXX this isn't bound to anything -- see class 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)",
|
|
parent=self.text,
|
|
initialvalue=self.indentwidth,
|
|
minvalue=2,
|
|
maxvalue=16)
|
|
if new and new != self.indentwidth:
|
|
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",
|
|
"Spaces per tab? (2-16)",
|
|
parent=self.text,
|
|
initialvalue=self.indentwidth,
|
|
minvalue=2,
|
|
maxvalue=16) or self.tabwidth
|
|
|
|
# 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:
|
|
|
|
# .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 = `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:
|
|
_tokenize.tokenize(self.readline, self.tokeneater)
|
|
except _tokenize.TokenError:
|
|
# 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, 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("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 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()
|