backend/x11: add support for setting randr 1.5 monitors

This interface allows us to propogate back the constructed
monitors to randr using the randr 1.5 protocol. Apps
should pick it up from there.
This commit is contained in:
Dave Airlie 2015-03-31 11:11:12 +10:00 committed by Jasper St. Pierre
parent ea2496c80a
commit 9f65edd4f5
3 changed files with 120 additions and 1 deletions

View File

@ -349,6 +349,13 @@ struct _MetaMonitorManagerClass
unsigned short *,
unsigned short *,
unsigned short *);
void (*add_monitor) (MetaMonitorManager *,
MetaMonitorInfo *);
void (*delete_monitor) (MetaMonitorManager *,
int monitor_winsys_xid);
};
void meta_monitor_manager_rebuild_derived (MetaMonitorManager *manager);

View File

@ -173,6 +173,7 @@ construct_tile_monitor (MetaMonitorManager *manager,
static void
make_logical_config (MetaMonitorManager *manager)
{
MetaMonitorManagerClass *manager_class = META_MONITOR_MANAGER_GET_CLASS (manager);
GArray *monitor_infos;
unsigned int i, j;
@ -277,6 +278,10 @@ make_logical_config (MetaMonitorManager *manager)
manager->n_monitor_infos = monitor_infos->len;
manager->monitor_infos = (void*)g_array_free (monitor_infos, FALSE);
if (manager_class->add_monitor)
for (i = 0; i < manager->n_monitor_infos; i++)
manager_class->add_monitor (manager, &manager->monitor_infos[i]);
}
static void
@ -1356,15 +1361,35 @@ meta_monitor_manager_read_current_config (MetaMonitorManager *manager)
void
meta_monitor_manager_rebuild_derived (MetaMonitorManager *manager)
{
MetaMonitorManagerClass *manager_class = META_MONITOR_MANAGER_GET_CLASS (manager);
MetaMonitorInfo *old_monitor_infos;
unsigned old_n_monitor_infos;
unsigned i, j;
old_monitor_infos = manager->monitor_infos;
old_n_monitor_infos = manager->n_monitor_infos;
if (manager->in_init)
return;
make_logical_config (manager);
if (manager_class->delete_monitor)
{
for (i = 0; i < old_n_monitor_infos; i++)
{
gboolean delete_mon = TRUE;
for (j = 0; j < manager->n_monitor_infos; j++)
{
if (manager->monitor_infos[j].monitor_winsys_xid == old_monitor_infos[i].monitor_winsys_xid)
{
delete_mon = FALSE;
break;
}
}
if (delete_mon)
manager_class->delete_monitor (manager, old_monitor_infos[i].monitor_winsys_xid);
}
}
g_signal_emit_by_name (manager, "monitors-changed");
g_free (old_monitor_infos);

View File

@ -1251,6 +1251,88 @@ meta_monitor_manager_xrandr_set_crtc_gamma (MetaMonitorManager *manager,
XRRFreeGamma (gamma);
}
#ifdef HAVE_XRANDR15
static void
meta_monitor_manager_xrandr_add_monitor(MetaMonitorManager *manager,
MetaMonitorInfo *monitor)
{
MetaMonitorManagerXrandr *manager_xrandr = META_MONITOR_MANAGER_XRANDR (manager);
XRRMonitorInfo *m;
int o;
Atom name;
char name_buf[40];
if (manager_xrandr->has_randr15 == FALSE)
return;
if (monitor->n_outputs <= 1)
return;
if (monitor->outputs[0]->product)
snprintf (name_buf, 40, "%s-%d", monitor->outputs[0]->product, monitor->outputs[0]->tile_info.group_id);
else
snprintf (name_buf, 40, "Tiled-%d", monitor->outputs[0]->tile_info.group_id);
name = XInternAtom (manager_xrandr->xdisplay, name_buf, False);
monitor->monitor_winsys_xid = name;
m = XRRAllocateMonitor (manager_xrandr->xdisplay, monitor->n_outputs);
if (!m)
return;
m->name = name;
m->primary = monitor->is_primary;
m->automatic = True;
for (o = 0; o < monitor->n_outputs; o++) {
MetaOutput *output = monitor->outputs[o];
m->outputs[o] = output->winsys_id;
}
XRRSetMonitor (manager_xrandr->xdisplay,
DefaultRootWindow (manager_xrandr->xdisplay),
m);
XRRFreeMonitors (m);
}
static void
meta_monitor_manager_xrandr_delete_monitor(MetaMonitorManager *manager,
int monitor_winsys_xid)
{
MetaMonitorManagerXrandr *manager_xrandr = META_MONITOR_MANAGER_XRANDR (manager);
if (manager_xrandr->has_randr15 == FALSE)
return;
XRRDeleteMonitor (manager_xrandr->xdisplay,
DefaultRootWindow (manager_xrandr->xdisplay),
monitor_winsys_xid);
}
static void
meta_monitor_manager_xrandr_init_monitors(MetaMonitorManagerXrandr *manager_xrandr)
{
XRRMonitorInfo *m;
int n, i;
if (manager_xrandr->has_randr15 == FALSE)
return;
/* delete any tiled monitors setup, as mutter will want to recreate
things in its image */
m = XRRGetMonitors (manager_xrandr->xdisplay,
DefaultRootWindow (manager_xrandr->xdisplay),
FALSE, &n);
if (n == -1)
return;
for (i = 0; i < n; i++)
{
if (m[i].noutput > 1)
XRRDeleteMonitor (manager_xrandr->xdisplay,
DefaultRootWindow (manager_xrandr->xdisplay),
m[i].name);
}
XRRFreeMonitors (m);
}
#endif
static void
meta_monitor_manager_xrandr_init (MetaMonitorManagerXrandr *manager_xrandr)
{
@ -1283,6 +1365,7 @@ meta_monitor_manager_xrandr_init (MetaMonitorManagerXrandr *manager_xrandr)
(major_version == 1 &&
minor_version >= 5))
manager_xrandr->has_randr15 = TRUE;
meta_monitor_manager_xrandr_init_monitors (manager_xrandr);
#endif
}
}
@ -1314,6 +1397,10 @@ meta_monitor_manager_xrandr_class_init (MetaMonitorManagerXrandrClass *klass)
manager_class->change_backlight = meta_monitor_manager_xrandr_change_backlight;
manager_class->get_crtc_gamma = meta_monitor_manager_xrandr_get_crtc_gamma;
manager_class->set_crtc_gamma = meta_monitor_manager_xrandr_set_crtc_gamma;
#ifdef HAVE_XRANDR15
manager_class->add_monitor = meta_monitor_manager_xrandr_add_monitor;
manager_class->delete_monitor = meta_monitor_manager_xrandr_delete_monitor;
#endif
}
gboolean