175 lines
6.1 KiB
Python
175 lines
6.1 KiB
Python
"""
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A number of function that enhance IDLE on MacOSX when it used as a normal
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GUI application (as opposed to an X11 application).
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"""
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import sys
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import Tkinter
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from os import path
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_appbundle = None
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def runningAsOSXApp():
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"""
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Returns True if Python is running from within an app on OSX.
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If so, assume that Python was built with Aqua Tcl/Tk rather than
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X11 Tcl/Tk.
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"""
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global _appbundle
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if _appbundle is None:
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_appbundle = (sys.platform == 'darwin' and '.app' in sys.executable)
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return _appbundle
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_carbonaquatk = None
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def isCarbonAquaTk(root):
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"""
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Returns True if IDLE is using a Carbon Aqua Tk (instead of the
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newer Cocoa Aqua Tk).
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"""
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global _carbonaquatk
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if _carbonaquatk is None:
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_carbonaquatk = (runningAsOSXApp() and
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'aqua' in root.tk.call('tk', 'windowingsystem') and
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'AppKit' not in root.tk.call('winfo', 'server', '.'))
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return _carbonaquatk
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def tkVersionWarning(root):
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"""
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Returns a string warning message if the Tk version in use appears to
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be one known to cause problems with IDLE.
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1. Apple Cocoa-based Tk 8.5.7 shipped with Mac OS X 10.6 is unusable.
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2. Apple Cocoa-based Tk 8.5.9 in OS X 10.7 and 10.8 is better but
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can still crash unexpectedly.
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"""
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if (runningAsOSXApp() and
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('AppKit' in root.tk.call('winfo', 'server', '.')) ):
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patchlevel = root.tk.call('info', 'patchlevel')
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if patchlevel not in ('8.5.7', '8.5.9'):
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return False
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return (r"WARNING: The version of Tcl/Tk ({0}) in use may"
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r" be unstable.\n"
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r"Visit http://www.python.org/download/mac/tcltk/"
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r" for current information.".format(patchlevel))
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else:
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return False
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def addOpenEventSupport(root, flist):
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"""
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This ensures that the application will respond to open AppleEvents, which
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makes is feasible to use IDLE as the default application for python files.
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"""
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def doOpenFile(*args):
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for fn in args:
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flist.open(fn)
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# The command below is a hook in aquatk that is called whenever the app
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# receives a file open event. The callback can have multiple arguments,
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# one for every file that should be opened.
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root.createcommand("::tk::mac::OpenDocument", doOpenFile)
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def hideTkConsole(root):
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try:
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root.tk.call('console', 'hide')
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except Tkinter.TclError:
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# Some versions of the Tk framework don't have a console object
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pass
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def overrideRootMenu(root, flist):
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"""
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Replace the Tk root menu by something that's more appropriate for
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IDLE.
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"""
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# The menu that is attached to the Tk root (".") is also used by AquaTk for
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# all windows that don't specify a menu of their own. The default menubar
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# contains a number of menus, none of which are appropriate for IDLE. The
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# Most annoying of those is an 'About Tck/Tk...' menu in the application
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# menu.
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#
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# This function replaces the default menubar by a mostly empty one, it
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# should only contain the correct application menu and the window menu.
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#
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# Due to a (mis-)feature of TkAqua the user will also see an empty Help
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# menu.
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from Tkinter import Menu, Text, Text
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from idlelib.EditorWindow import prepstr, get_accelerator
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from idlelib import Bindings
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from idlelib import WindowList
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from idlelib.MultiCall import MultiCallCreator
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menubar = Menu(root)
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root.configure(menu=menubar)
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menudict = {}
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menudict['windows'] = menu = Menu(menubar, name='windows')
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menubar.add_cascade(label='Window', menu=menu, underline=0)
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def postwindowsmenu(menu=menu):
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end = menu.index('end')
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if end is None:
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end = -1
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if end > 0:
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menu.delete(0, end)
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WindowList.add_windows_to_menu(menu)
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WindowList.register_callback(postwindowsmenu)
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def about_dialog(event=None):
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from idlelib import aboutDialog
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aboutDialog.AboutDialog(root, 'About IDLE')
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def config_dialog(event=None):
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from idlelib import configDialog
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root.instance_dict = flist.inversedict
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configDialog.ConfigDialog(root, 'Settings')
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def help_dialog(event=None):
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from idlelib import textView
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fn = path.join(path.abspath(path.dirname(__file__)), 'help.txt')
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textView.view_file(root, 'Help', fn)
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root.bind('<<about-idle>>', about_dialog)
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root.bind('<<open-config-dialog>>', config_dialog)
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root.createcommand('::tk::mac::ShowPreferences', config_dialog)
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if flist:
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root.bind('<<close-all-windows>>', flist.close_all_callback)
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# The binding above doesn't reliably work on all versions of Tk
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# on MacOSX. Adding command definition below does seem to do the
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# right thing for now.
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root.createcommand('exit', flist.close_all_callback)
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if isCarbonAquaTk(root):
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# for Carbon AquaTk, replace the default Tk apple menu
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menudict['application'] = menu = Menu(menubar, name='apple')
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menubar.add_cascade(label='IDLE', menu=menu)
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Bindings.menudefs.insert(0,
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('application', [
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('About IDLE', '<<about-idle>>'),
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None,
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]))
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tkversion = root.tk.eval('info patchlevel')
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if tuple(map(int, tkversion.split('.'))) < (8, 4, 14):
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# for earlier AquaTk versions, supply a Preferences menu item
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Bindings.menudefs[0][1].append(
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('_Preferences....', '<<open-config-dialog>>'),
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)
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else:
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# assume Cocoa AquaTk
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# replace default About dialog with About IDLE one
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root.createcommand('tkAboutDialog', about_dialog)
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# replace default "Help" item in Help menu
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root.createcommand('::tk::mac::ShowHelp', help_dialog)
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# remove redundant "IDLE Help" from menu
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del Bindings.menudefs[-1][1][0]
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def setupApp(root, flist):
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"""
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Perform setup for the OSX application bundle.
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"""
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if not runningAsOSXApp(): return
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hideTkConsole(root)
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overrideRootMenu(root, flist)
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addOpenEventSupport(root, flist)
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