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"""
A number of function that enhance IDLE on MacOSX when it used as a normal
GUI application (as opposed to an X11 application).
"""
import sys
import tkinter
def runningAsOSXApp():
"""
Returns True if Python is running from within an app on OSX.
If so, assume that Python was built with Aqua Tcl/Tk rather than
X11 Tcl/Tk.
"""
return (sys.platform == 'darwin' and '.app' in sys.executable)
def addOpenEventSupport(root, flist):
"""
This ensures that the application will respond to open AppleEvents, which
makes is feasible to use IDLE as the default application for python files.
"""
def doOpenFile(*args):
for fn in args:
flist.open(fn)
# The command below is a hook in aquatk that is called whenever the app
# receives a file open event. The callback can have multiple arguments,
# one for every file that should be opened.
root.createcommand("::tk::mac::OpenDocument", doOpenFile)
def hideTkConsole(root):
try:
root.tk.call('console', 'hide')
except tkinter.TclError:
# Some versions of the Tk framework don't have a console object
pass
def overrideRootMenu(root, flist):
"""
Replace the Tk root menu by something that's more appropriate for
IDLE.
"""
# The menu that is attached to the Tk root (".") is also used by AquaTk for
# all windows that don't specify a menu of their own. The default menubar
# contains a number of menus, none of which are appropriate for IDLE. The
# Most annoying of those is an 'About Tck/Tk...' menu in the application
# menu.
#
# This function replaces the default menubar by a mostly empty one, it
# should only contain the correct application menu and the window menu.
#
# Due to a (mis-)feature of TkAqua the user will also see an empty Help
# menu.
from tkinter import Menu, Text, Text
from idlelib.EditorWindow import prepstr, get_accelerator
from idlelib import Bindings
from idlelib import WindowList
from idlelib.MultiCall import MultiCallCreator
menubar = Menu(root)
root.configure(menu=menubar)
menudict = {}
menudict['windows'] = menu = Menu(menubar, name='windows')
menubar.add_cascade(label='Window', menu=menu, underline=0)
def postwindowsmenu(menu=menu):
end = menu.index('end')
if end is None:
end = -1
if end > 0:
menu.delete(0, end)
WindowList.add_windows_to_menu(menu)
WindowList.register_callback(postwindowsmenu)
menudict['application'] = menu = Menu(menubar, name='apple')
menubar.add_cascade(label='IDLE', menu=menu)
def about_dialog(event=None):
from idlelib import aboutDialog
aboutDialog.AboutDialog(root, 'About IDLE')
def config_dialog(event=None):
from idlelib import configDialog
# Ensure that the root object has an instance_dict attribute,
# mirrors code in EditorWindow (although that sets the attribute
# on an EditorWindow instance that is then passed as the first
# argument to ConfigDialog)
root.instance_dict = flist.inversedict
root.instance_dict = flist.inversedict
configDialog.ConfigDialog(root, 'Settings')
root.bind('<<about-idle>>', about_dialog)
root.bind('<<open-config-dialog>>', config_dialog)
if flist:
root.bind('<<close-all-windows>>', flist.close_all_callback)
# The binding above doesn't reliably work on all versions of Tk
# on MacOSX. Adding command definition below does seem to do the
# right thing for now.
root.createcommand('exit', flist.close_all_callback)
###check if Tk version >= 8.4.14; if so, use hard-coded showprefs binding
tkversion = root.tk.eval('info patchlevel')
# Note: we cannot check if the string tkversion >= '8.4.14', because
# the string '8.4.7' is greater than the string '8.4.14'.
if tuple(map(int, tkversion.split('.'))) >= (8, 4, 14):
Bindings.menudefs[0] = ('application', [
('About IDLE', '<<about-idle>>'),
None,
])
root.createcommand('::tk::mac::ShowPreferences', config_dialog)
else:
for mname, entrylist in Bindings.menudefs:
menu = menudict.get(mname)
if not menu:
continue
else:
for entry in entrylist:
if not entry:
menu.add_separator()
else:
label, eventname = entry
underline, label = prepstr(label)
accelerator = get_accelerator(Bindings.default_keydefs,
eventname)
def command(text=root, eventname=eventname):
text.event_generate(eventname)
menu.add_command(label=label, underline=underline,
command=command, accelerator=accelerator)
def setupApp(root, flist):
"""
Perform setup for the OSX application bundle.
"""
if not runningAsOSXApp(): return
hideTkConsole(root)
overrideRootMenu(root, flist)
addOpenEventSupport(root, flist)
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