def _create_statusbar(self):
self.status_bar = MultiStatusBar(self.top)
if macosxSupport.runningAsOSXApp():
# 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)
def _create_statusbar(self):
self.status_bar = MultiStatusBar(self.top)
if macosxSupport.runningAsOSXApp():
# 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)
class EditorWindow(object):
from ColorDelegator import ColorDelegator # overridden by PyShell
from UndoDelegator import UndoDelegator # overridden by PyShell
help_url = None
menu_specs = [
("file", "_File"),
("edit", "_Edit"),
("format", "F_ormat"),
("run", "_Run"),
("options", "_Options"),
("windows", "_Windows"),
("help", "_Help"),
]
if macosxSupport.runningAsOSXApp():
del menu_specs[-3]
menu_specs[-2] = ("windows", "_Window")
def __init__(self, flist=None, filename=None, key=None, root=None,
start_page=EditorPage):
if EditorWindow.help_url is None:
dochome = os.path.join(sys.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.prefix, 'Doc',
'Python%d%d.chm' % sys.version_info[:2])
if os.path.isfile(chmfile):
dochome = chmfile
elif macosxSupport.runningAsOSXApp():
# documentation is stored inside the python framework
dochome = os.path.join(sys.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 = "http://www.python.org/doc/current"
self.flist = flist
root = root or flist.root
self.root = root
try:
sys.ps1
except AttributeError:
sys.ps1 = '>>> '
self.menubar = Menu(root)
self.top = WindowList.ListedToplevel(root, menu=self.menubar)
if flist:
self.tkinter_vars = flist.vars
# self.top.instance_dict makes flist.inversedict avalable to
# configDialog.py so it can access all EditorWindow instaces
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')
if flist:
flist.inversedict[self] = key
if key:
flist.dict[key] = self
self.menudict = None
# create a Notebook where the text pages for this EditorWindow will
# reside
self.text_notebook = TabbedPageSet(self.top)
self.text_notebook.pack(fill=BOTH, expand=True)
self.text_notebook.bind('<<NotebookTabChanged>>', self._update_controls)
self.new_tab(filename=filename, load_ext=False, ptype=start_page)
self.text = self.current_page.text # XXX
self.top.focused_widget = self.text
self.top.bind('<<tab-closed>>', self._post_tab_close)
# The following "width" attribute is used by PyShell, so keep it here
self.width = idleConf.GetOption('main', 'EditorPage', 'width')
self.top.protocol("WM_DELETE_WINDOW", self.close)
self.top.bind("<<close-window>>", self.close_event)
self._create_statusbar()
self.top.after_idle(self.set_line_and_column)
# 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
if hasattr(self, 'ispythonsource'): # PyShell
self.set_indentation_params(self.ispythonsource(filename))
else:
self.set_indentation_params(
self.current_page.ispythonsource(filename))
self.extensions = {}
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
@property
def current_page(self):
"""Return the active EditorPage in EditorWindow."""
if not self.text_notebook.pages: # no pages available
return None
curr_tab = self.text_notebook.select()
if not curr_tab:
return None
if TTK:
page = self.text_notebook.pages[self.text_notebook.tab(
curr_tab)['text']].editpage
else:
page = self.text_notebook.pages[curr_tab].editpage
return page
def remove_tab_controls(self):
"""Remove tab area and most tab bindings from this window."""
if TTK:
self.text_notebook['style'] = 'PyShell.TNotebook'
style = Style(self.top)
style.layout('PyShell.TNotebook.Tab', [('null', '')])
else:
self.text_notebook._tab_set.grid_forget()
# remove commands related to tab
if 'file' in self.menudict:
menu = self.menudict['file']
curr_entry = None
i = 0
while True:
last_entry, curr_entry = curr_entry, menu.entryconfigure(i)
if last_entry == curr_entry:
# no more menu entries
break
if 'label' in curr_entry and 'Tab' in curr_entry['label'][-1]:
if 'Close' not in ' '.join(curr_entry['label'][-1]):
menu.delete(i)
i += 1
self.current_page.text.unbind('<<new-tab>>')
# close-tab is still available!
def short_title(self):
# overriden by PyShell
return self.current_page.short_title()
def next_tab(self, event):
"""Show next tab if not in the last tab already."""
index = self.text_notebook.index(self.text_notebook.select())
if index == len(self.text_notebook.tabs()) - 1:
return
self.text_notebook.select(index + 1)
def prev_tab(self, event):
"""Show the previous tab if not in the first tab already."""
index = self.text_notebook.index(self.text_notebook.select())
if index == 0:
return
self.text_notebook.select(index - 1)
def new_tab(self, event=None, filename=None, load_ext=True, ptype=None):
"""Create a new EditorPage and insert it into the notebook."""
page_title = "#%d" % (len(self.text_notebook.pages) + 1)
page = self.text_notebook.add_page(page_title)
vbar = Scrollbar(page.frame, name='vbar')
hbar = Scrollbar(page.frame, name='hbar', orient='horizontal')
hbar.set(0, 0)
vbar.set(0, 0)
ptype = ptype or EditorPage
page.editpage = ptype(page.frame, self, title=page_title,
name='text', padx=5, wrap='none')
firstpage = False # don't update window's title
if self.menudict is None:
# This EditorWindow is being created now, perform the following
# tasks before.
firstpage = True # will cause window's title to be updated
self.menudict = {}
self._createmenubar(page.editpage.text)
# Create the recent files submenu
self.recent_files_menu = Menu(self.menubar)
self.menudict['file'].insert_cascade(3, label='Recent Files',
underline=0, menu=self.recent_files_menu)
self.update_recent_files_list()
# pack widgets
text = page.editpage.text
vbar['command'] = text.yview
hbar['command'] = text.xview
text['yscrollcommand'] = vbar.set
text['xscrollcommand'] = hbar.set
vbar.pack(side=RIGHT, fill=Y)
hbar.pack(side=BOTTOM, fill=X)
fontWeight = 'normal'
if idleConf.GetOption('main', 'EditorPage', 'font-bold', type='bool'):
fontWeight = 'bold'
text.config(font=(idleConf.GetOption('main', 'EditorPage', 'font'),
idleConf.GetOption('main', 'EditorPage', 'font-size'),
fontWeight))
text.pack(side=TOP, fill=BOTH, expand=1)
text.focus_set()
self.apply_bindings(tab=page)
if load_ext:
self._load_extensions()
# select the just created page
self.text_notebook.select(len(self.text_notebook.pages) - 1)
page.editpage.post_init(filename=filename,
update_window_title=firstpage)
self.top.event_generate('<<tab-created>>')
return "break"
def new_callback(self, event, page):
dirname, basename = page.io.defaultfilename()
self.flist.new(dirname)
return "break"
def set_line_and_column(self, event=None):
# Used by PyShell too
curr_page = self.current_page
if not curr_page:
return
line, column = curr_page.text.index(INSERT).split('.')
self.status_bar.set_label('column', 'Col: %s' % column)
self.status_bar.set_label('line', 'Ln: %s' % line)
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)
def newline_and_indent_event(self, event):
"""Call newline_and_indent_event on current EditorPage."""
self.current_page.newline_and_indent_event(event)
def get_selection_indices(self):
"""Call get_selection_indices on current EditorPage."""
return self.current_page.get_selection_indices()
def build_char_in_string_func(self, startindex):
"""Call build_char_in_string_func on current EditorPage."""
return self.current_page.build_char_in_string_func(startindex)
def gotoline(self, lineno):
page = self.current_page
text = page.text
if lineno is not None and lineno > 0:
text.mark_set("insert", "%d.0" % lineno)
text.tag_remove("sel", "1.0", "end")
text.tag_add("sel", "insert", "insert +1l")
page.center()
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 set_theme(self, ttkstyle):
# called from configDialog.py
ttkstyle.theme_use(idleConf.GetOption('main', 'Theme', 'displaytheme'))
def ResetColorizer(self):
"Update the colour theme"
# Called from self.filename_change_hook and from configDialog.py
for page in self.text_notebook.pages.itervalues():
page.editpage.reset_colorizer()
def ResetFont(self):
"Update the text widgets' font if it is changed"
# Called from configDialog.py
fontWeight = 'normal'
if idleConf.GetOption('main', 'EditorPage', 'font-bold', type='bool'):
fontWeight = 'bold'
for page in self.text_notebook.pages.itervalues():
text = page.editpage.text
text.config(font=(idleConf.GetOption('main', 'EditorPage', 'font'),
idleConf.GetOption('main', 'EditorPage', 'font-size'),
fontWeight))
def RemoveKeybindings(self):
"Remove the keybindings before they are changed."
# Called from configDialog.py
Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
for page in self.text_notebook.pages.itervalues():
text = page.editpage.text
for event, keylist in keydefs.items():
text.event_delete(event, *keylist)
for extensionName in self._get_standard_extension_names():
xkeydefs = idleConf.GetExtensionBindings(extensionName)
if xkeydefs:
for page in self.text_notebook.pages.itervalues():
text = page.editpage.text
for event, keylist in xkeydefs.items():
text.event_delete(event, *keylist)
def ApplyKeybindings(self):
"Update the keybindings after they are changed"
# Called from configDialog.py
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 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:
accel = get_accelerator(keydefs, event)
menu.entryconfig(index, accelerator=accel)
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 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 update_recent_files_list(self, new_file=None):
"Load and update the recent files list and menus"
# IOBinding calls this
rf_list = []
if os.path.exists(self.recent_files_path):
rf_list_file = open(self.recent_files_path,'r')
try:
rf_list = rf_list_file.readlines()
finally:
rf_list_file.close()
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)]
rf_file = open(self.recent_files_path, 'w')
try:
rf_file.writelines(rf_list)
finally:
rf_file.close()
# for each edit window instance, construct the recent files menu
for instance in self.top.instance_dict.keys():
menu = instance.recent_files_menu
menu.delete(1, END) # clear, and rebuild:
for i, file in enumerate(rf_list):
file_name = file[0:-1] # zap \n
# make unicode string to display non-ASCII chars correctly
ufile_name = 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 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 close(self):
to_check = self.text_notebook.pages.copy()
while to_check:
curr_tab = self.text_notebook.select()
if TTK:
page_name = self.text_notebook.tab(curr_tab)['text']
else:
page_name = curr_tab
page = to_check.pop(page_name)
editpage = page.editpage
reply = editpage.close_tab()
if reply == "cancel":
break
def _close(self):
WindowList.unregister_callback(self.postwindowsmenu)
self._unload_extensions()
self.tkinter_vars = None
for page in self.text_notebook.pages.itervalues():
page.editpage.close()
self.top.destroy()
if self.close_hook:
# unless override: unregister from flist, terminate if last window
self.close_hook()
def apply_bindings(self, keydefs=None, tab=None):
if keydefs is None:
keydefs = Bindings.default_keydefs
if tab:
iter_over = [tab]
else:
iter_over = self.text_notebook.pages.itervalues()
for page in iter_over:
text = page.editpage.text
text.keydefs = keydefs
for event, keylist in keydefs.items():
if keylist:
text.event_add(event, *keylist)
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, text=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(text or 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.
# Return the text widget's current view of what a tab stop means
# (equivalent width in spaces).
def get_tabwidth(self): # XXX depends on self.text
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): # XXX depends on self.text
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)
# 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=True):
if guess and ispythonsource:
i = self.guess_indent()
if 2 <= i <= 8:
self.indentwidth = i
if self.indentwidth != self.tabwidth:
self.usetabs = False
self.set_tabwidth(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): # XXX depends on self.text
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
# Private methods/attributes
# extensions won't have more than one instance per window
_unique_extensions = ['CodeContext', 'ScriptBinding', 'FormatParagraph']
def _unload_extensions(self):
for ins in self.extensions.values():
if hasattr(ins, "close"):
ins.close()
self.extensions = {}
def _load_extension(self, name, tab):
ext_loaded = self.extensions.get(name)
try:
mod = __import__(name, globals(), locals(), [])
except ImportError:
print "\nFailed to import extension: ", name
return
keydefs = idleConf.GetExtensionBindings(name)
if name not in self._unique_extensions or not ext_loaded:
# create a new instance
cls = getattr(mod, name)
ins = cls(tab.editpage)
self.extensions.setdefault(name, []).append(ins)
if not ext_loaded:
# create new items in menu only if this is the first time this
# extension is being loaded in this window
if hasattr(cls, "menudefs"):
self._fill_menus(cls.menudefs, keydefs)
elif name in self._unique_extensions and ext_loaded:
# get an existing instance
ins = self.extensions[name][0]
if keydefs:
self.apply_bindings(keydefs, tab)
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):
tab.editpage.text.bind(vevent, getattr(ins, methodname))
def _load_extensions(self):
self._load_standard_extensions(self.text_notebook.last_page())
def _load_standard_extensions(self, tab):
for name in self._get_standard_extension_names():
try:
self._load_extension(name, tab)
except:
print "Failed to load extension", repr(name)
traceback.print_exc()
def _get_standard_extension_names(self):
return idleConf.GetExtensions(editor_only=True)
def _post_tab_close(self, event):
if not self.current_page:
# no tabs now, close window
self._close()
return
def _update_controls(self, event):
curr_page = self.current_page
if not curr_page:
return
self.text = curr_page.text
curr_page.saved_change_hook(True, False) # update window title
curr_page.text.focus_set()
self.set_line_and_column()
# update references in extensions that are loaded only once
for ext in self._unique_extensions:
if ext not in self.extensions:
continue
ext = self.extensions[ext][0]
ext.editpage = curr_page
def _create_statusbar(self):
self.status_bar = MultiStatusBar(self.top)
if macosxSupport.runningAsOSXApp():
# 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)
def _createmenubar(self, text):
mbar = self.menubar
menudict = self.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 sys.platform == 'darwin' and '.framework' in sys.executable:
# Insert the application menu
menudict['application'] = menu = Menu(mbar, name='apple')
mbar.add_cascade(label='IDLE', menu=menu)
self._fill_menus(text=text)
self.base_helpmenu_length = self.menudict['help'].index(END)
self.reset_help_menu_entries()
def _fill_menus(self, menudefs=None, keydefs=None, text=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 = Bindings.menudefs
if keydefs is None:
keydefs = Bindings.default_keydefs
menudict = self.menudict
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(eventname=eventname):
self.text.event_generate(eventname)
if checkbutton:
var = self.get_var_obj(eventname, BooleanVar, text)
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 __recent_file_callback(self, file_name):
def open_recent_file(fn_closure=file_name):
self.current_page.io.open(editFile=fn_closure)
return open_recent_file
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')):
url = os.path.normpath(helpfile)
if sys.platform[:3] == 'win':
os.startfile(helpfile)
else:
webbrowser.open(helpfile)
return display_extra_help
class EditorWindow(object):
from ColorDelegator import ColorDelegator # overridden by PyShell
from UndoDelegator import UndoDelegator # overridden by PyShell
help_url = None
menu_specs = [
("file", "_File"),
("edit", "_Edit"),
("format", "F_ormat"),
("run", "_Run"),
("options", "_Options"),
("windows", "_Windows"),
("help", "_Help"),
]
if macosxSupport.runningAsOSXApp():
del menu_specs[-3]
menu_specs[-2] = ("windows", "_Window")
def __init__(self,
flist=None,
filename=None,
key=None,
root=None,
start_page=EditorPage):
if EditorWindow.help_url is None:
dochome = os.path.join(sys.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.prefix, 'Doc',
'Python%d%d.chm' % sys.version_info[:2])
if os.path.isfile(chmfile):
dochome = chmfile
elif macosxSupport.runningAsOSXApp():
# documentation is stored inside the python framework
dochome = os.path.join(
sys.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 = "http://www.python.org/doc/current"
self.flist = flist
root = root or flist.root
self.root = root
try:
sys.ps1
except AttributeError:
sys.ps1 = '>>> '
self.menubar = Menu(root)
self.top = WindowList.ListedToplevel(root, menu=self.menubar)
if flist:
self.tkinter_vars = flist.vars
# self.top.instance_dict makes flist.inversedict avalable to
# configDialog.py so it can access all EditorWindow instaces
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')
if flist:
flist.inversedict[self] = key
if key:
flist.dict[key] = self
self.menudict = None
# create a Notebook where the text pages for this EditorWindow will
# reside
self.text_notebook = TabbedPageSet(self.top)
self.text_notebook.pack(fill=BOTH, expand=True)
self.text_notebook.bind('<<NotebookTabChanged>>',
self._update_controls)
self.new_tab(filename=filename, load_ext=False, ptype=start_page)
self.text = self.current_page.text # XXX
self.top.focused_widget = self.text
self.top.bind('<<tab-closed>>', self._post_tab_close)
# The following "width" attribute is used by PyShell, so keep it here
self.width = idleConf.GetOption('main', 'EditorPage', 'width')
self.top.protocol("WM_DELETE_WINDOW", self.close)
self.top.bind("<<close-window>>", self.close_event)
self._create_statusbar()
self.top.after_idle(self.set_line_and_column)
# 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
if hasattr(self, 'ispythonsource'): # PyShell
self.set_indentation_params(self.ispythonsource(filename))
else:
self.set_indentation_params(
self.current_page.ispythonsource(filename))
self.extensions = {}
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
@property
def current_page(self):
"""Return the active EditorPage in EditorWindow."""
if not self.text_notebook.pages: # no pages available
return None
curr_tab = self.text_notebook.select()
if not curr_tab:
return None
if TTK:
page = self.text_notebook.pages[self.text_notebook.tab(curr_tab)
['text']].editpage
else:
page = self.text_notebook.pages[curr_tab].editpage
return page
def remove_tab_controls(self):
"""Remove tab area and most tab bindings from this window."""
if TTK:
self.text_notebook['style'] = 'PyShell.TNotebook'
style = Style(self.top)
style.layout('PyShell.TNotebook.Tab', [('null', '')])
else:
self.text_notebook._tab_set.grid_forget()
# remove commands related to tab
if 'file' in self.menudict:
menu = self.menudict['file']
curr_entry = None
i = 0
while True:
last_entry, curr_entry = curr_entry, menu.entryconfigure(i)
if last_entry == curr_entry:
# no more menu entries
break
if 'label' in curr_entry and 'Tab' in curr_entry['label'][-1]:
if 'Close' not in ' '.join(curr_entry['label'][-1]):
menu.delete(i)
i += 1
self.current_page.text.unbind('<<new-tab>>')
# close-tab is still available!
def short_title(self):
# overriden by PyShell
return self.current_page.short_title()
def next_tab(self, event):
"""Show next tab if not in the last tab already."""
index = self.text_notebook.index(self.text_notebook.select())
if index == len(self.text_notebook.tabs()) - 1:
return
self.text_notebook.select(index + 1)
def prev_tab(self, event):
"""Show the previous tab if not in the first tab already."""
index = self.text_notebook.index(self.text_notebook.select())
if index == 0:
return
self.text_notebook.select(index - 1)
def new_tab(self, event=None, filename=None, load_ext=True, ptype=None):
"""Create a new EditorPage and insert it into the notebook."""
page_title = "#%d" % (len(self.text_notebook.pages) + 1)
page = self.text_notebook.add_page(page_title)
vbar = Scrollbar(page.frame, name='vbar')
hbar = Scrollbar(page.frame, name='hbar', orient='horizontal')
hbar.set(0, 0)
vbar.set(0, 0)
ptype = ptype or EditorPage
page.editpage = ptype(page.frame,
self,
title=page_title,
name='text',
padx=5,
wrap='none')
firstpage = False # don't update window's title
if self.menudict is None:
# This EditorWindow is being created now, perform the following
# tasks before.
firstpage = True # will cause window's title to be updated
self.menudict = {}
self._createmenubar(page.editpage.text)
# Create the recent files submenu
self.recent_files_menu = Menu(self.menubar)
self.menudict['file'].insert_cascade(3,
label='Recent Files',
underline=0,
menu=self.recent_files_menu)
self.update_recent_files_list()
# pack widgets
text = page.editpage.text
vbar['command'] = text.yview
hbar['command'] = text.xview
text['yscrollcommand'] = vbar.set
text['xscrollcommand'] = hbar.set
vbar.pack(side=RIGHT, fill=Y)
hbar.pack(side=BOTTOM, fill=X)
fontWeight = 'normal'
if idleConf.GetOption('main', 'EditorPage', 'font-bold', type='bool'):
fontWeight = 'bold'
text.config(
font=(idleConf.GetOption('main', 'EditorPage', 'font'),
idleConf.GetOption('main', 'EditorPage', 'font-size'),
fontWeight))
text.pack(side=TOP, fill=BOTH, expand=1)
text.focus_set()
self.apply_bindings(tab=page)
if load_ext:
self._load_extensions()
# select the just created page
self.text_notebook.select(len(self.text_notebook.pages) - 1)
page.editpage.post_init(filename=filename,
update_window_title=firstpage)
self.top.event_generate('<<tab-created>>')
return "break"
def new_callback(self, event, page):
dirname, basename = page.io.defaultfilename()
self.flist.new(dirname)
return "break"
def set_line_and_column(self, event=None):
# Used by PyShell too
curr_page = self.current_page
if not curr_page:
return
line, column = curr_page.text.index(INSERT).split('.')
self.status_bar.set_label('column', 'Col: %s' % column)
self.status_bar.set_label('line', 'Ln: %s' % line)
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)
def newline_and_indent_event(self, event):
"""Call newline_and_indent_event on current EditorPage."""
self.current_page.newline_and_indent_event(event)
def get_selection_indices(self):
"""Call get_selection_indices on current EditorPage."""
return self.current_page.get_selection_indices()
def build_char_in_string_func(self, startindex):
"""Call build_char_in_string_func on current EditorPage."""
return self.current_page.build_char_in_string_func(startindex)
def gotoline(self, lineno):
page = self.current_page
text = page.text
if lineno is not None and lineno > 0:
text.mark_set("insert", "%d.0" % lineno)
text.tag_remove("sel", "1.0", "end")
text.tag_add("sel", "insert", "insert +1l")
page.center()
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 set_theme(self, ttkstyle):
# called from configDialog.py
ttkstyle.theme_use(idleConf.GetOption('main', 'Theme', 'displaytheme'))
def ResetColorizer(self):
"Update the colour theme"
# Called from self.filename_change_hook and from configDialog.py
for page in self.text_notebook.pages.itervalues():
page.editpage.reset_colorizer()
def ResetFont(self):
"Update the text widgets' font if it is changed"
# Called from configDialog.py
fontWeight = 'normal'
if idleConf.GetOption('main', 'EditorPage', 'font-bold', type='bool'):
fontWeight = 'bold'
for page in self.text_notebook.pages.itervalues():
text = page.editpage.text
text.config(
font=(idleConf.GetOption('main', 'EditorPage', 'font'),
idleConf.GetOption('main', 'EditorPage', 'font-size'),
fontWeight))
def RemoveKeybindings(self):
"Remove the keybindings before they are changed."
# Called from configDialog.py
Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
for page in self.text_notebook.pages.itervalues():
text = page.editpage.text
for event, keylist in keydefs.items():
text.event_delete(event, *keylist)
for extensionName in self._get_standard_extension_names():
xkeydefs = idleConf.GetExtensionBindings(extensionName)
if xkeydefs:
for page in self.text_notebook.pages.itervalues():
text = page.editpage.text
for event, keylist in xkeydefs.items():
text.event_delete(event, *keylist)
def ApplyKeybindings(self):
"Update the keybindings after they are changed"
# Called from configDialog.py
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 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:
accel = get_accelerator(keydefs, event)
menu.entryconfig(index, accelerator=accel)
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 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 update_recent_files_list(self, new_file=None):
"Load and update the recent files list and menus"
# IOBinding calls this
rf_list = []
if os.path.exists(self.recent_files_path):
rf_list_file = open(self.recent_files_path, 'r')
try:
rf_list = rf_list_file.readlines()
finally:
rf_list_file.close()
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)]
rf_file = open(self.recent_files_path, 'w')
try:
rf_file.writelines(rf_list)
finally:
rf_file.close()
# for each edit window instance, construct the recent files menu
for instance in self.top.instance_dict.keys():
menu = instance.recent_files_menu
menu.delete(1, END) # clear, and rebuild:
for i, file in enumerate(rf_list):
file_name = file[0:-1] # zap \n
# make unicode string to display non-ASCII chars correctly
ufile_name = 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 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 close(self):
to_check = self.text_notebook.pages.copy()
while to_check:
curr_tab = self.text_notebook.select()
if TTK:
page_name = self.text_notebook.tab(curr_tab)['text']
else:
page_name = curr_tab
page = to_check.pop(page_name)
editpage = page.editpage
reply = editpage.close_tab()
if reply == "cancel":
break
def _close(self):
WindowList.unregister_callback(self.postwindowsmenu)
self._unload_extensions()
self.tkinter_vars = None
for page in self.text_notebook.pages.itervalues():
page.editpage.close()
self.top.destroy()
if self.close_hook:
# unless override: unregister from flist, terminate if last window
self.close_hook()
def apply_bindings(self, keydefs=None, tab=None):
if keydefs is None:
keydefs = Bindings.default_keydefs
if tab:
iter_over = [tab]
else:
iter_over = self.text_notebook.pages.itervalues()
for page in iter_over:
text = page.editpage.text
text.keydefs = keydefs
for event, keylist in keydefs.items():
if keylist:
text.event_add(event, *keylist)
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, text=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(text or 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.
# Return the text widget's current view of what a tab stop means
# (equivalent width in spaces).
def get_tabwidth(self): # XXX depends on self.text
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): # XXX depends on self.text
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)
# 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=True):
if guess and ispythonsource:
i = self.guess_indent()
if 2 <= i <= 8:
self.indentwidth = i
if self.indentwidth != self.tabwidth:
self.usetabs = False
self.set_tabwidth(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): # XXX depends on self.text
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
# Private methods/attributes
# extensions won't have more than one instance per window
_unique_extensions = ['CodeContext', 'ScriptBinding', 'FormatParagraph']
def _unload_extensions(self):
for ins in self.extensions.values():
if hasattr(ins, "close"):
ins.close()
self.extensions = {}
def _load_extension(self, name, tab):
ext_loaded = self.extensions.get(name)
try:
mod = __import__(name, globals(), locals(), [])
except ImportError:
print "\nFailed to import extension: ", name
return
keydefs = idleConf.GetExtensionBindings(name)
if name not in self._unique_extensions or not ext_loaded:
# create a new instance
cls = getattr(mod, name)
ins = cls(tab.editpage)
self.extensions.setdefault(name, []).append(ins)
if not ext_loaded:
# create new items in menu only if this is the first time this
# extension is being loaded in this window
if hasattr(cls, "menudefs"):
self._fill_menus(cls.menudefs, keydefs)
elif name in self._unique_extensions and ext_loaded:
# get an existing instance
ins = self.extensions[name][0]
if keydefs:
self.apply_bindings(keydefs, tab)
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):
tab.editpage.text.bind(vevent, getattr(ins, methodname))
def _load_extensions(self):
self._load_standard_extensions(self.text_notebook.last_page())
def _load_standard_extensions(self, tab):
for name in self._get_standard_extension_names():
try:
self._load_extension(name, tab)
except:
print "Failed to load extension", repr(name)
traceback.print_exc()
def _get_standard_extension_names(self):
return idleConf.GetExtensions(editor_only=True)
def _post_tab_close(self, event):
if not self.current_page:
# no tabs now, close window
self._close()
return
def _update_controls(self, event):
curr_page = self.current_page
if not curr_page:
return
self.text = curr_page.text
curr_page.saved_change_hook(True, False) # update window title
curr_page.text.focus_set()
self.set_line_and_column()
# update references in extensions that are loaded only once
for ext in self._unique_extensions:
if ext not in self.extensions:
continue
ext = self.extensions[ext][0]
ext.editpage = curr_page
def _create_statusbar(self):
self.status_bar = MultiStatusBar(self.top)
if macosxSupport.runningAsOSXApp():
# 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)
def _createmenubar(self, text):
mbar = self.menubar
menudict = self.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 sys.platform == 'darwin' and '.framework' in sys.executable:
# Insert the application menu
menudict['application'] = menu = Menu(mbar, name='apple')
mbar.add_cascade(label='IDLE', menu=menu)
self._fill_menus(text=text)
self.base_helpmenu_length = self.menudict['help'].index(END)
self.reset_help_menu_entries()
def _fill_menus(self, menudefs=None, keydefs=None, text=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 = Bindings.menudefs
if keydefs is None:
keydefs = Bindings.default_keydefs
menudict = self.menudict
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(eventname=eventname):
self.text.event_generate(eventname)
if checkbutton:
var = self.get_var_obj(eventname, BooleanVar, text)
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 __recent_file_callback(self, file_name):
def open_recent_file(fn_closure=file_name):
self.current_page.io.open(editFile=fn_closure)
return open_recent_file
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')):
url = os.path.normpath(helpfile)
if sys.platform[:3] == 'win':
os.startfile(helpfile)
else:
webbrowser.open(helpfile)
return display_extra_help
