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backend-native: Add non-functional 'headless' mode

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Make it possible to pass --headless as a command line argument in order
to turn the native backend "headless". This currently doesn't do
anything, but the intention is that it should not use logind nor KMS,
and work completely headless with only virtual outputs.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1698>
This commit is contained in:
Jonas Ådahl
2020-03-05 21:35:57 +01:00
committed by Marge Bot
parent b770ea606a
commit 42d614f6fa
4 changed files with 110 additions and 11 deletions
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43
src/backends/native/meta-backend-native.c
View File

@ -65,6 +65,17 @@
#include "backends/meta-screen-cast.h"
#endif
enum
{
PROP_0,
PROP_HEADLESS,
N_PROPS
};
static GParamSpec *obj_props[N_PROPS];
struct _MetaBackendNative
{
MetaBackend parent;
@ -73,6 +84,8 @@ struct _MetaBackendNative
MetaUdev *udev;
MetaKms *kms;
gboolean is_headless;
gulong udev_device_added_handler_id;
};
@ -520,6 +533,25 @@ meta_backend_native_initable_init (GInitable *initable,
return initable_parent_iface->init (initable, cancellable, error);
}
static void
meta_backend_native_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaBackendNative *backend_native = META_BACKEND_NATIVE (object);
switch (prop_id)
{
case PROP_HEADLESS:
backend_native->is_headless = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
initable_iface_init (GInitableIface *initable_iface)
{
@ -534,6 +566,7 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
MetaBackendClass *backend_class = META_BACKEND_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = meta_backend_native_set_property;
object_class->dispose = meta_backend_native_dispose;
backend_class->create_clutter_backend = meta_backend_native_create_clutter_backend;
@ -554,6 +587,16 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
backend_class->update_screen_size = meta_backend_native_update_screen_size;
backend_class->set_pointer_constraint = meta_backend_native_set_pointer_constraint;
obj_props[PROP_HEADLESS] =
g_param_spec_boolean ("headless",
"headless",
"Headless",
FALSE,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props);
}
static void