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Diffstat (limited to 'lib/python2.7/idlelib/macosxSupport.py')
| -rw-r--r-- | lib/python2.7/idlelib/macosxSupport.py | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/lib/python2.7/idlelib/macosxSupport.py b/lib/python2.7/idlelib/macosxSupport.py new file mode 100644 index 0000000..af6652f --- /dev/null +++ b/lib/python2.7/idlelib/macosxSupport.py @@ -0,0 +1,175 @@ +""" +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 +from os import path + + +_appbundle = None + +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. + """ + global _appbundle + if _appbundle is None: + _appbundle = (sys.platform == 'darwin' and '.app' in sys.executable) + return _appbundle + +_carbonaquatk = None + +def isCarbonAquaTk(root): + """ + Returns True if IDLE is using a Carbon Aqua Tk (instead of the + newer Cocoa Aqua Tk). + """ + global _carbonaquatk + if _carbonaquatk is None: + _carbonaquatk = (runningAsOSXApp() and + 'aqua' in root.tk.call('tk', 'windowingsystem') and + 'AppKit' not in root.tk.call('winfo', 'server', '.')) + return _carbonaquatk + +def tkVersionWarning(root): + """ + Returns a string warning message if the Tk version in use appears to + be one known to cause problems with IDLE. + 1. Apple Cocoa-based Tk 8.5.7 shipped with Mac OS X 10.6 is unusable. + 2. Apple Cocoa-based Tk 8.5.9 in OS X 10.7 and 10.8 is better but + can still crash unexpectedly. + """ + + if (runningAsOSXApp() and + ('AppKit' in root.tk.call('winfo', 'server', '.')) ): + patchlevel = root.tk.call('info', 'patchlevel') + if patchlevel not in ('8.5.7', '8.5.9'): + return False + return (r"WARNING: The version of Tcl/Tk ({0}) in use may" + r" be unstable.\n" + r"Visit http://www.python.org/download/mac/tcltk/" + r" for current information.".format(patchlevel)) + else: + return False + +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) + + def about_dialog(event=None): + from idlelib import aboutDialog + aboutDialog.AboutDialog(root, 'About IDLE') + + def config_dialog(event=None): + from idlelib import configDialog + root.instance_dict = flist.inversedict + configDialog.ConfigDialog(root, 'Settings') + + def help_dialog(event=None): + from idlelib import textView + fn = path.join(path.abspath(path.dirname(__file__)), 'help.txt') + textView.view_file(root, 'Help', fn) + + root.bind('<<about-idle>>', about_dialog) + root.bind('<<open-config-dialog>>', config_dialog) + root.createcommand('::tk::mac::ShowPreferences', 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) + + if isCarbonAquaTk(root): + # for Carbon AquaTk, replace the default Tk apple menu + menudict['application'] = menu = Menu(menubar, name='apple') + menubar.add_cascade(label='IDLE', menu=menu) + Bindings.menudefs.insert(0, + ('application', [ + ('About IDLE', '<<about-idle>>'), + None, + ])) + tkversion = root.tk.eval('info patchlevel') + if tuple(map(int, tkversion.split('.'))) < (8, 4, 14): + # for earlier AquaTk versions, supply a Preferences menu item + Bindings.menudefs[0][1].append( + ('_Preferences....', '<<open-config-dialog>>'), + ) + else: + # assume Cocoa AquaTk + # replace default About dialog with About IDLE one + root.createcommand('tkAboutDialog', about_dialog) + # replace default "Help" item in Help menu + root.createcommand('::tk::mac::ShowHelp', help_dialog) + # remove redundant "IDLE Help" from menu + del Bindings.menudefs[-1][1][0] + +def setupApp(root, flist): + """ + Perform setup for the OSX application bundle. + """ + if not runningAsOSXApp(): return + + hideTkConsole(root) + overrideRootMenu(root, flist) + addOpenEventSupport(root, flist) |