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A number of functions that enhance IDLE on macOS.
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Initializes OS X Tk variant values for
isAquaTk(), isCarbonTk(), isCocoaTk(), and isXQuartz().
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Returns True if IDLE is using a native OS X Tk (Cocoa or Carbon).
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Returns True if IDLE is using a Carbon Aqua Tk (instead of the
newer Cocoa Aqua Tk).
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Returns True if IDLE is using a Cocoa Aqua Tk.
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Returns True if IDLE is using an OS X X11 Tk.
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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.
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Fetch the macOS system preferences.
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Warn if "Prefer tabs when opening documents" is set to "Always".
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This ensures that the application will respond to open AppleEvents, which
makes is feasible to use IDLE as the default application for python files.
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Replace the Tk root menu by something that is more appropriate for
IDLE with an Aqua Tk.
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z)overrideRootMenu..postwindowsmenuc s ddl m} |�� � dS )z Handle Help 'About IDLE' event.r )�
help_aboutN)�idlelibr: Z AboutDialog)�eventr: )r r r � about_dialog� s z&overrideRootMenu..about_dialogc s$ ddl m} � j�_|��d� dS )z&Handle Options 'Configure IDLE' event.r )� configdialogZSettingsN)r; r> Z inversedictZ
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tkAboutDialogz::tk::mac::ShowHelp)N)N)N)r r* r; r+ r, Zmenudefs�insertZ configureZ add_cascadeZregister_callbackZbindr' Zclose_all_callbackr r ) r r% r* r+ Z closeItemZmenubarZmenudictr3 r9 r= r? rA r )r% r r, r �overrideRootMenu� sH
rD c C s( | � dd� | � dd� | � dd� dS )z�Removed bad AquaTk Button-2 (right) and Paste bindings.
They prevent context menu access and seem to be gone in AquaTk8.6.
See issue #24801.
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Perform initial OS X customizations if needed.
Called from pyshell.main() after initial calls to Tk()
There are currently three major versions of Tk in use on OS X:
1. Aqua Cocoa Tk (native default since OS X 10.6)
2. Aqua Carbon Tk (original native, 32-bit only, deprecated)
3. X11 (supported by some third-party distributors, deprecated)
There are various differences among the three that affect IDLE
behavior, primarily with menus, mouse key events, and accelerators.
Some one-time customizations are performed here.
Others are dynamically tested throughout idlelib by calls to the
isAquaTk(), isCarbonTk(), isCocoaTk(), isXQuartz() functions which
are initialized here as well.
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