234 lines
8.1 KiB
Python
234 lines
8.1 KiB
Python
"""
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A number of functions that enhance IDLE on Mac OSX.
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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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import warnings
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def runningAsOSXApp():
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warnings.warn("runningAsOSXApp() is deprecated, use isAquaTk()",
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DeprecationWarning, stacklevel=2)
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return isAquaTk()
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def isCarbonAquaTk(root):
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warnings.warn("isCarbonAquaTk(root) is deprecated, use isCarbonTk()",
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DeprecationWarning, stacklevel=2)
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return isCarbonTk()
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_tk_type = None
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def _initializeTkVariantTests(root):
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"""
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Initializes OS X Tk variant values for
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isAquaTk(), isCarbonTk(), isCocoaTk(), and isXQuartz().
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"""
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global _tk_type
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if sys.platform == 'darwin':
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ws = root.tk.call('tk', 'windowingsystem')
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if 'x11' in ws:
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_tk_type = "xquartz"
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elif 'aqua' not in ws:
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_tk_type = "other"
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elif 'AppKit' in root.tk.call('winfo', 'server', '.'):
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_tk_type = "cocoa"
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else:
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_tk_type = "carbon"
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else:
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_tk_type = "other"
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def isAquaTk():
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"""
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Returns True if IDLE is using a native OS X Tk (Cocoa or Carbon).
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"""
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assert _tk_type is not None
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return _tk_type == "cocoa" or _tk_type == "carbon"
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def isCarbonTk():
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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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assert _tk_type is not None
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return _tk_type == "carbon"
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def isCocoaTk():
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"""
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Returns True if IDLE is using a Cocoa Aqua Tk.
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"""
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assert _tk_type is not None
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return _tk_type == "cocoa"
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def isXQuartz():
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"""
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Returns True if IDLE is using an OS X X11 Tk.
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"""
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assert _tk_type is not None
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return _tk_type == "xquartz"
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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 isCocoaTk():
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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 is more appropriate for
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IDLE with an Aqua Tk.
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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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closeItem = Bindings.menudefs[0][1][-2]
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# Remove the last 3 items of the file menu: a separator, close window and
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# quit. Close window will be reinserted just above the save item, where
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# it should be according to the HIG. Quit is in the application menu.
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del Bindings.menudefs[0][1][-3:]
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Bindings.menudefs[0][1].insert(6, closeItem)
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# Remove the 'About' entry from the help menu, it is in the application
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# menu
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del Bindings.menudefs[-1][1][0:2]
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# Remove the 'Configure Idle' entry from the options menu, it is in the
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# application menu as 'Preferences'
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del Bindings.menudefs[-2][1][0]
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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 isCarbonTk():
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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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if isCocoaTk():
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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 initial OS X customizations if needed.
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Called from PyShell.main() after initial calls to Tk()
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There are currently three major versions of Tk in use on OS X:
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1. Aqua Cocoa Tk (native default since OS X 10.6)
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2. Aqua Carbon Tk (original native, 32-bit only, deprecated)
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3. X11 (supported by some third-party distributors, deprecated)
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There are various differences among the three that affect IDLE
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behavior, primarily with menus, mouse key events, and accelerators.
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Some one-time customizations are performed here.
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Others are dynamically tested throughout idlelib by calls to the
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isAquaTk(), isCarbonTk(), isCocoaTk(), isXQuartz() functions which
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are initialized here as well.
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"""
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_initializeTkVariantTests(root)
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if isAquaTk():
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hideTkConsole(root)
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overrideRootMenu(root, flist)
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addOpenEventSupport(root, flist)
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