upstream/ipython Files · IPython/terminal/pt_inputhooks/gtk3.py

Shaperilio/qtgui fixes (#13957)...

Shaperilio/qtgui fixes (#13957) I started using the released version of my `PySide6`-enabling changes and noted some problems. In this PR, I fix those, and also overall improve the feedback to the user when a GUI event loop is hooked in: - Report which event loop is running when using `%gui <some GUI>`; e.g. `%gui qt` will show `Installed qt6 event loop hook.` - Report when the event loop is disabled; i.e. `%gui` will show `GUI event loop hook disabled.` if an event loop hook was installed, or `No event loop hook running.` if nothing was installed. - Requesting a second event loop will give the message `Shell is already running a gui event loop for <some GUI>. Call with no arguments to disable current loop.` - Requesting a different version of Qt, i.e. `%gui qt6` followed by `%gui` followed by `%gui qt5` will show `Cannot switch Qt versions for this session; will use qt6.` followed by `Installed qt6 event loop hook.` (Fixes / improves )

Matthias Bussonnier - - Load All Authors

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      """prompt_toolkit input hook for GTK 3

      """

      from gi.repository import Gtk, GLib

      def _main_quit(*args, **kwargs):

          Gtk.main_quit()

          return False

      def inputhook(context):

          GLib.io_add_watch(context.fileno(), GLib.PRIORITY_DEFAULT, GLib.IO_IN, _main_quit)

          Gtk.main()

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				"""prompt_toolkit input hook for GTK 3
				"""

				from gi.repository import Gtk, GLib


				def _main_quit(args, *kwargs):
				Gtk.main_quit()
				return False


				def inputhook(context):
				GLib.io_add_watch(context.fileno(), GLib.PRIORITY_DEFAULT, GLib.IO_IN, _main_quit)
				Gtk.main()