o h @sFdZddlZddlZddlZddlZejdeddGdddZdS)zAGUI support for the IPython ZeroMQ kernel - GTK toolkit support. Nz/The Gtk3 event loop for ipykernel is deprecated)category stacklevelc@s@eZdZdZddZddZddZdd Zd d Zd d Z dS)GTKEmbedz7A class to embed a kernel into the GTK main event loop.cCs||_d|_d|_dS)zInitialize the embed.N)kernelgtk_main gtk_main_quit)selfrr Lc:\Users\shubh\Videos\agent\nova\Lib\site-packages\ipykernel/gui/gtkembed.py__init__!s zGTKEmbed.__init__cCst|jtdS)zCStarts the GTK main event loop and sets our kernel startup routine.N)gobjectZidle_add _wire_kernelgtkmainr r r r start(s  zGTKEmbed.startcCs.|\|_|_ttd|jj|jdS)zInitializes the kernel inside GTK. This is meant to run only once at startup, so it does its job and returns False to ensure it doesn't get run again by GTK. iF) _hijack_gtkrrr Z timeout_addintrZ_poll_intervaliterate_kernelrr r r r.szGTKEmbed._wire_kernelcCs|jdS)zRun one iteration of the kernel and return True. GTK timer functions must return True to be called again, so we make the call to :meth:`do_one_iteration` and then return True for GTK. T)rZdo_one_iterationrr r r r8s zGTKEmbed.iterate_kernelcCs|jr|tdS)zStop the embed.N)rsysexitrr r r stopAs z GTKEmbed.stopcCs,dd}tj|}t_tj|}t_||fS)aHijack a few key functions in GTK for IPython integration. Modifies pyGTK's main and main_quit with a dummy so user code does not block IPython. This allows us to use %run to run arbitrary pygtk scripts from a long-lived IPython session, and when they attempt to start or stop Returns ------- The original functions that have been hijacked: - gtk.main - gtk.main_quit c_sdS)zNo-op.Nr )argskwr r r dummyYsz#GTKEmbed._hijack_gtk..dummy)rrZ main_quit)r rZ orig_mainZorig_main_quitr r r rJszGTKEmbed._hijack_gtkN) __name__ __module__ __qualname____doc__r rrrrrr r r r rs  r)rrwarningsr rwarnDeprecationWarningrr r r r s