[Wayland-bugs] [Bug 719989] Prefer the wayland backend over the x11 one

[gtk+ (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=719989
  gtk+ | wayland | unspecified

--- Comment #1 from Emilio Pozuelo Monfort <pochu27 at gmail.com> 2013-12-09 11:23:22 UTC ---
Created an attachment (id=263810)
 View: https://bugzilla.gnome.org/attachment.cgi?id=263810
 Review: https://bugzilla.gnome.org/review?bug=719989&attachment=263810

wayland: fail the backend init if WAYLAND_DISPLAY isn't set

wl_display_connect() currently falls back to the wayland-0 socket
if WAYLAND_DISPLAY isn't in the environment. This means that if a
wayland compositor is running and you launch a GTK+ app from within
X11, it may start running inside the wayland compositor. Avoid this
by requiring WAYLAND_DISPLAY to be set.

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