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color: Emit signal when device is updated

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Will be emitted when a device updated its color state. Will be used by
an X11 color manager implementation, and tests.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2165>
This commit is contained in:
Jonas Ådahl 2021-12-06 11:40:46 +01:00
parent 99d0c37d32
commit ceedc0e5fb
2 changed files with 36 additions and 0 deletions
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9
src/backends/meta-color-device.c
View File

@ -37,6 +37,7 @@ enum
{ {
READY, READY,
CHANGED, CHANGED,
UPDATED,
N_SIGNALS N_SIGNALS
}; };
@ -322,6 +323,12 @@ meta_color_device_class_init (MetaColorDeviceClass *klass)
G_SIGNAL_RUN_LAST, 0, G_SIGNAL_RUN_LAST, 0,
NULL, NULL, NULL, NULL, NULL, NULL,
G_TYPE_NONE, 0); G_TYPE_NONE, 0);
signals[UPDATED] =
g_signal_new ("updated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
} }
static void static void
@ -1133,4 +1140,6 @@ meta_color_device_update (MetaColorDevice *color_device,
lut_size); lut_size);
meta_monitor_set_gamma_lut (monitor, lut); meta_monitor_set_gamma_lut (monitor, lut);
g_signal_emit (color_device, signals[UPDATED], 0);
} }

27
src/backends/meta-color-manager.c
View File

@ -57,6 +57,15 @@
#define DEFAULT_TEMPERATURE 6500 /* Kelvin */ #define DEFAULT_TEMPERATURE 6500 /* Kelvin */
enum
{
DEVICE_UPDATED,
N_SIGNALS
};
static guint signals[N_SIGNALS];
enum enum
{ {
PROP_0, PROP_0,
@ -122,6 +131,13 @@ on_device_changed (MetaColorDevice *color_device,
meta_color_device_update (color_device, priv->temperature); meta_color_device_update (color_device, priv->temperature);
} }
static void
on_device_updated (MetaColorDevice *color_device,
MetaColorManager *color_manager)
{
g_signal_emit (color_manager, signals[DEVICE_UPDATED], 0, color_device);
}
static char * static char *
generate_monitor_id (MetaMonitor *monitor) generate_monitor_id (MetaMonitor *monitor)
{ {
@ -202,6 +218,9 @@ update_devices (MetaColorManager *color_manager)
g_signal_connect_object (color_device, "changed", g_signal_connect_object (color_device, "changed",
G_CALLBACK (on_device_changed), G_CALLBACK (on_device_changed),
color_manager, 0); color_manager, 0);
g_signal_connect_object (color_device, "updated",
G_CALLBACK (on_device_updated),
color_manager, 0);
} }
} }
@ -490,6 +509,14 @@ meta_color_manager_class_init (MetaColorManagerClass *klass)
G_PARAM_CONSTRUCT_ONLY | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS); G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props); g_object_class_install_properties (object_class, N_PROPS, obj_props);
signals[DEVICE_UPDATED] =
g_signal_new ("device-updated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0,
NULL, NULL, NULL,
G_TYPE_NONE, 1,
META_TYPE_COLOR_DEVICE);
} }
static void static void