main: Let the X11 CM backend deal with selecting the display

It's specific to that backend, so do it there.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1833>
This commit is contained in:
Jonas Ådahl 2021-02-25 22:00:06 +01:00 committed by Marge Bot
parent 89053cc6f7
commit 6558d43cd5
2 changed files with 85 additions and 27 deletions

View File

@ -37,10 +37,23 @@
#include "compositor/meta-compositor-x11.h"
#include "core/display-private.h"
enum
{
PROP_0,
PROP_DISPLAY_NAME,
N_PROPS
};
static GParamSpec *obj_props[N_PROPS];
struct _MetaBackendX11Cm
{
MetaBackendX11 parent;
char *display_name;
MetaCursorRenderer *cursor_renderer;
char *keymap_layouts;
char *keymap_variants;
@ -437,6 +450,50 @@ meta_backend_x11_cm_translate_crossing_event (MetaBackendX11 *x11,
}
}
static void
meta_backend_x11_cm_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaBackendX11Cm *backend_x11_cm = META_BACKEND_X11_CM (object);
switch (prop_id)
{
case PROP_DISPLAY_NAME:
backend_x11_cm->display_name = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_backend_x11_cm_finalize (GObject *object)
{
MetaBackendX11Cm *x11_cm = META_BACKEND_X11_CM (object);
g_clear_pointer (&x11_cm->display_name, g_free);
}
static void
meta_backend_x11_cm_constructed (GObject *object)
{
MetaBackendX11Cm *x11_cm = META_BACKEND_X11_CM (object);
const char *display_name;
if (x11_cm->display_name)
display_name = (const char *) x11_cm->display_name;
else
display_name = g_getenv ("MUTTER_DISPLAY");
if (display_name)
g_setenv ("DISPLAY", display_name, TRUE);
G_OBJECT_CLASS (meta_backend_x11_cm_parent_class)->constructed (object);
}
static void
meta_backend_x11_cm_init (MetaBackendX11Cm *backend_x11_cm)
{
@ -455,9 +512,14 @@ meta_backend_x11_cm_init (MetaBackendX11Cm *backend_x11_cm)
static void
meta_backend_x11_cm_class_init (MetaBackendX11CmClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
MetaBackendClass *backend_class = META_BACKEND_CLASS (klass);
MetaBackendX11Class *backend_x11_class = META_BACKEND_X11_CLASS (klass);
object_class->set_property = meta_backend_x11_cm_set_property;
object_class->finalize = meta_backend_x11_cm_finalize;
object_class->constructed = meta_backend_x11_cm_constructed;
backend_class->post_init = meta_backend_x11_cm_post_init;
backend_class->create_renderer = meta_backend_x11_cm_create_renderer;
backend_class->create_monitor_manager = meta_backend_x11_cm_create_monitor_manager;
@ -472,5 +534,15 @@ meta_backend_x11_cm_class_init (MetaBackendX11CmClass *klass)
backend_x11_class->handle_host_xevent = meta_backend_x11_cm_handle_host_xevent;
backend_x11_class->translate_device_event = meta_backend_x11_cm_translate_device_event;
backend_x11_class->translate_crossing_event = meta_backend_x11_cm_translate_crossing_event;
obj_props[PROP_DISPLAY_NAME] =
g_param_spec_string ("display-name",
"display name",
"X11 display name",
NULL,
G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props);
}

View File

@ -303,28 +303,6 @@ meta_get_option_context (void)
return ctx;
}
/**
* meta_select_display:
*
* Selects which display Mutter should use. It first tries to use
* @display_name as the display. If @display_name is %NULL then
* try to use the environment variable MUTTER_DISPLAY. If that
* also is %NULL, use the default - :0.0
*/
static void
meta_select_display (char *display_arg)
{
const char *display_name;
if (display_arg)
display_name = (const char *) display_arg;
else
display_name = g_getenv ("MUTTER_DISPLAY");
if (display_name)
g_setenv ("DISPLAY", display_name, TRUE);
}
void
meta_finalize (void)
{
@ -653,6 +631,19 @@ calculate_compositor_configuration (MetaCompositorType *compositor_type,
else
#endif /* HAVE_WAYLAND */
{
static const char *display_name_prop_names[] = {
"display-name",
};
static GValue display_name_prop_values[] = {
G_VALUE_INIT,
};
g_value_init (&display_name_prop_values[0], G_TYPE_STRING);
g_value_set_string (&display_name_prop_values[0], opt_display_name);
*n_properties = G_N_ELEMENTS (display_name_prop_values);
*prop_names = display_name_prop_names;
*prop_values = display_name_prop_values;
*backend_gtype = META_TYPE_BACKEND_X11_CM;
return;
}
@ -793,11 +784,6 @@ meta_init (void)
g_irepository_prepend_search_path (MUTTER_PKGLIBDIR);
#endif
/* NB: When running as a hybrid wayland compositor we run our own headless X
* server so the user can't control the X display to connect too. */
if (!meta_is_wayland_compositor ())
meta_select_display (opt_display_name);
meta_init_backend (backend_gtype, n_properties, prop_names, prop_values);
for (i = 0; i < n_properties; i++)