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main: Add --x11 command line argument

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Make it possible to force mutter to start as a X11 compositing/window
manager. This is needed when intending to start mutter as an X11 window
manager while running inside a Wayland session, for example when
intending to debug it in Xephyr.

https://bugzilla.gnome.org/show_bug.cgi?id=768976
This commit is contained in:
Jonas Ådahl 2016-05-25 22:12:48 +08:00
parent dd1eaeb262
commit feb4c36659
1 changed files with 24 additions and 3 deletions
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27
src/core/main.c
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@ -167,6 +167,7 @@ static gchar *opt_client_id;
static gboolean opt_replace_wm;
static gboolean opt_disable_sm;
static gboolean opt_sync;
static gboolean opt_x11;
#ifdef HAVE_WAYLAND
static gboolean opt_wayland;
static gboolean opt_nested;
@ -211,6 +212,12 @@ static GOptionEntry meta_options[] = {
N_("Make X calls synchronous"),
NULL
},
{
"x11", 0, 0, G_OPTION_ARG_NONE,
&opt_x11,
N_("Run as a X11 compositing manager"),
NULL
},
#ifdef HAVE_WAYLAND
{
"wayland", 0, 0, G_OPTION_ARG_NONE,
@ -376,20 +383,34 @@ calculate_compositor_configuration (MetaCompositorType *compositor_type,
MetaBackendType *backend_type)
{
#ifdef HAVE_WAYLAND
gboolean run_as_wayland_compositor = opt_wayland;
gboolean run_as_wayland_compositor;
if (opt_x11 && opt_nested)
{
meta_warning ("Can't run both as a Wayland compositor and a X11 compositing manager\n");
meta_exit (META_EXIT_ERROR);
}
run_as_wayland_compositor = opt_wayland || !opt_x11;
#ifdef HAVE_NATIVE_BACKEND
if (opt_x11 && opt_display_server)
{
meta_warning ("Can't run both as a Wayland compositor and a X11 compositing manager\n");
meta_exit (META_EXIT_ERROR);
}
if (opt_nested && opt_display_server)
{
meta_warning ("Can't run both as nested and as a display server\n");
meta_exit (META_EXIT_ERROR);
}
if (!run_as_wayland_compositor)
if (!run_as_wayland_compositor && !opt_x11)
run_as_wayland_compositor = check_for_wayland_session_type ();
#ifdef CLUTTER_WINDOWING_EGL
if (opt_display_server || (run_as_wayland_compositor && !opt_nested))
if (opt_display_server || (run_as_wayland_compositor && !opt_nested && !opt_x11))
*backend_type = META_BACKEND_TYPE_NATIVE;
else
#endif