On gtk3, painting from the minifont cache seems to be slower than
painting the glyph in the first place, so don't use a cache.

Fixes https://gitlab.gnome.org/GNOME/vte/-/issues/2757

(cherry picked from commit 1109aad7)

Carlos Garnacho authored Mar 13, 2024 and Christian Persch committed Mar 14, 2024

This method makes the GtkIMContext request an OSK to be activated.
Currently supported on the Wayland platform.

https://gitlab.gnome.org/GNOME/vte/-/issues/2630
(cherry picked from commit 4c21cff3)

Carlos Garnacho authored Mar 13, 2024 and Christian Persch committed Mar 14, 2024

Currently, make it mutually exclusive with having started a selection,
other heuristics might be added here (e.g. making it also mutually exclusive
with unselecting text, or not issuing the call for cases where text input
is known to be ignored.

https://gitlab.gnome.org/GNOME/vte/-/issues/2630
(cherry picked from commit f3cc41dc)

(cherry picked from commit 8e952471)