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color-manager: Update gamma LUTs when needed

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This means on
  - hotplugs
  - color temperature changes
  - service availability (gsd-color, gsd-power)
  - when color devices become ready
  - when color devices change

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2165>
This commit is contained in:
Jonas Ådahl 2021-12-04 00:53:12 +01:00
parent baef39e603
commit 71009779c8
1 changed files with 70 additions and 0 deletions
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70
src/backends/meta-color-manager.c
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@ -94,6 +94,34 @@ typedef struct _MetaColorManagerPrivate
G_DEFINE_TYPE_WITH_PRIVATE (MetaColorManager, meta_color_manager, G_TYPE_OBJECT)
static void
on_device_ready (MetaColorDevice *color_device,
gboolean success,
MetaColorManager *color_manager)
{
MetaColorManagerPrivate *priv =
meta_color_manager_get_instance_private (color_manager);
if (!success)
{
meta_topic (META_DEBUG_COLOR, "Color device '%s' failed to become ready",
meta_color_device_get_id (color_device));
return;
}
meta_color_device_update_gamma (color_device, priv->temperature);
}
static void
on_device_changed (MetaColorDevice *color_device,
MetaColorManager *color_manager)
{
MetaColorManagerPrivate *priv =
meta_color_manager_get_instance_private (color_manager);
meta_color_device_update_gamma (color_device, priv->temperature);
}
static char *
generate_monitor_id (MetaMonitor *monitor)
{
@ -167,6 +195,13 @@ update_devices (MetaColorManager *color_manager)
g_hash_table_insert (devices,
g_steal_pointer (&monitor_id),
color_device);
g_signal_connect_object (color_device, "ready",
G_CALLBACK (on_device_ready),
color_manager, 0);
g_signal_connect_object (color_device, "changed",
G_CALLBACK (on_device_changed),
color_manager, 0);
}
}
@ -225,6 +260,32 @@ cd_client_connect_cb (GObject *source_object,
priv->is_ready = TRUE;
}
static void
update_all_gamma (MetaColorManager *color_manager)
{
MetaColorManagerPrivate *priv =
meta_color_manager_get_instance_private (color_manager);
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (priv->backend);
GList *l;
for (l = meta_monitor_manager_get_monitors (monitor_manager); l; l = l->next)
{
MetaMonitor *monitor = META_MONITOR (l->data);
MetaColorDevice *color_device;
color_device = meta_color_manager_get_color_device (color_manager,
monitor);
if (!color_device)
continue;
if (!meta_color_device_is_ready (color_device))
continue;
meta_color_device_update_gamma (color_device, priv->temperature);
}
}
static void
on_temperature_changed (MetaDbusSettingsDaemonColor *gsd_color,
GParamSpec *pspec,
@ -245,6 +306,8 @@ on_temperature_changed (MetaDbusSettingsDaemonColor *gsd_color,
}
priv->temperature = temperature;
update_all_gamma (color_manager);
}
static void
@ -276,6 +339,8 @@ on_gsd_color_ready (GObject *source_object,
g_signal_connect (gsd_color, "notify::temperature",
G_CALLBACK (on_temperature_changed),
color_manager);
update_all_gamma (color_manager);
}
static void
@ -304,6 +369,8 @@ on_gsd_power_screen_ready (GObject *source_object,
meta_topic (META_DEBUG_COLOR,
"Connection to org.gnome.SettingsDaemon.PowerScreen established");
priv->gsd_power_screen = gsd_power_screen;
update_all_gamma (color_manager);
}
static void
@ -339,6 +406,9 @@ meta_color_manager_constructed (GObject *object)
priv->cancellable,
on_gsd_power_screen_ready,
color_manager);
update_devices (color_manager);
update_all_gamma (color_manager);
}
static void