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device: Add methods to pair devices

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This commit is contained in:
Carlos Garnacho 2011-06-12 19:06:55 +02:00
parent 7b9a26fbd8
commit 722d2d6472
2 changed files with 64 additions and 1 deletions
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61
src/core/device.c
View File

@ -29,7 +29,8 @@ G_DEFINE_ABSTRACT_TYPE (MetaDevice, meta_device, G_TYPE_OBJECT)
enum { enum {
PROP_0, PROP_0,
PROP_DEVICE_ID, PROP_DEVICE_ID,
PROP_DISPLAY PROP_DISPLAY,
PROP_PAIRED_DEVICE
}; };
typedef struct MetaDevicePrivate MetaDevicePrivate; typedef struct MetaDevicePrivate MetaDevicePrivate;
@ -37,6 +38,7 @@ typedef struct MetaDevicePrivate MetaDevicePrivate;
struct MetaDevicePrivate struct MetaDevicePrivate
{ {
MetaDisplay *display; MetaDisplay *display;
MetaDevice *paired_device;
gint device_id; gint device_id;
}; };
@ -56,6 +58,10 @@ meta_device_get_property (GObject *object,
g_value_set_object (value, g_value_set_object (value,
meta_device_get_display (META_DEVICE (object))); meta_device_get_display (META_DEVICE (object)));
break; break;
case PROP_PAIRED_DEVICE:
g_value_set_object (value,
meta_device_get_paired_device (META_DEVICE (object)));
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break; break;
@ -78,6 +84,10 @@ meta_device_set_property (GObject *object,
case PROP_DISPLAY: case PROP_DISPLAY:
priv->display = g_value_get_object (value); priv->display = g_value_get_object (value);
break; break;
case PROP_PAIRED_DEVICE:
meta_device_pair_devices (META_DEVICE (object),
g_value_get_object (value));
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break; break;
@ -108,6 +118,13 @@ meta_device_class_init (MetaDeviceClass *klass)
META_TYPE_DISPLAY, META_TYPE_DISPLAY,
G_PARAM_READWRITE | G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY)); G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_PAIRED_DEVICE,
g_param_spec_object ("paired-device",
"Paired device",
"Paired device",
META_TYPE_DEVICE,
G_PARAM_READWRITE));
g_type_class_add_private (klass, sizeof (MetaDevicePrivate)); g_type_class_add_private (klass, sizeof (MetaDevicePrivate));
} }
@ -193,3 +210,45 @@ meta_device_ungrab (MetaDevice *device,
if (klass->ungrab) if (klass->ungrab)
(klass->ungrab) (device, time); (klass->ungrab) (device, time);
} }
void
meta_device_pair_devices (MetaDevice *device,
MetaDevice *other_device)
{
MetaDevicePrivate *priv1, *priv2;
g_return_if_fail (META_IS_DEVICE (device));
g_return_if_fail (META_IS_DEVICE (other_device));
priv1 = device->priv;
priv2 = other_device->priv;
/* Consider safe multiple calls
* on already paired devices
*/
if (priv1->paired_device != NULL &&
priv2->paired_device != NULL &&
priv1->paired_device == other_device &&
priv2->paired_device == device)
return;
g_return_if_fail (priv1->paired_device == NULL);
g_return_if_fail (priv2->paired_device == NULL);
priv1->paired_device = g_object_ref (other_device);
priv2->paired_device = g_object_ref (device);
g_object_notify (G_OBJECT (device), "paired-device");
g_object_notify (G_OBJECT (other_device), "paired-device");
}
MetaDevice *
meta_device_get_paired_device (MetaDevice *device)
{
MetaDevicePrivate *priv;
g_return_val_if_fail (META_IS_DEVICE (device), NULL);
priv = device->priv;
return priv->paired_device;
}

4
src/core/device.h
View File

@ -86,4 +86,8 @@ gboolean meta_device_grab (MetaDevice *device,
void meta_device_ungrab (MetaDevice *device, void meta_device_ungrab (MetaDevice *device,
Time time); Time time);
void meta_device_pair_devices (MetaDevice *device,
MetaDevice *other_device);
MetaDevice * meta_device_get_paired_device (MetaDevice *device);
#endif /* META_DEVICE_H */ #endif /* META_DEVICE_H */