wayland/data-device: Cancel drag source when the drag finished unsuccessfully

When a drag was performed but did not finish successfully, e.g. because no
mimetype was accepted, we need to send the source cancel event so clients
know they can destroy the drag source (since version 3).

Fixes https://gitlab.gnome.org/GNOME/mutter/issues/740

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1031
This commit is contained in:
Robert Mader 2020-01-29 00:11:18 +01:00
parent afd645193a
commit 6cc748cce9

View File

@ -75,6 +75,7 @@ typedef struct _MetaWaylandDataSourcePrivate
MetaWaylandSeat *seat;
guint actions_set : 1;
guint in_ask : 1;
guint drop_performed : 1;
} MetaWaylandDataSourcePrivate;
typedef struct _MetaWaylandDataSourcePrimary
@ -95,6 +96,9 @@ meta_wayland_data_source_new (struct wl_resource *resource);
static MetaWaylandDataSource *
meta_wayland_data_source_primary_new (struct wl_resource *resource);
static void
meta_wayland_source_cancel (MetaWaylandDataSource *source);
static void
drag_grab_data_source_destroyed (gpointer data, GObject *where_the_object_was);
@ -363,6 +367,15 @@ meta_wayland_data_source_set_user_action (MetaWaylandDataSource *source,
data_offer_update_action (offer);
}
static gboolean
meta_wayland_data_source_get_drop_performed (MetaWaylandDataSource *source)
{
MetaWaylandDataSourcePrivate *priv =
meta_wayland_data_source_get_instance_private (source);
return priv->drop_performed;
}
static void
data_offer_accept (struct wl_client *client,
struct wl_resource *resource,
@ -577,11 +590,17 @@ destroy_data_offer (struct wl_resource *resource)
if (offer == meta_wayland_data_source_get_current_offer (offer->source))
{
if (seat->data_device.dnd_data_source == offer->source &&
wl_resource_get_version (offer->resource) <
WL_DATA_OFFER_ACTION_SINCE_VERSION)
if (seat->data_device.dnd_data_source == offer->source)
{
meta_wayland_data_source_notify_finish (offer->source);
if (wl_resource_get_version (offer->resource) <
WL_DATA_OFFER_ACTION_SINCE_VERSION)
meta_wayland_data_source_notify_finish (offer->source);
else if (meta_wayland_data_source_get_drop_performed (offer->source) &&
meta_wayland_data_source_get_resource(offer->source) &&
wl_resource_get_version(
meta_wayland_data_source_get_resource(offer->source)) >=
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION)
meta_wayland_source_cancel (offer->source);
}
else
{
@ -1390,6 +1409,8 @@ meta_wayland_source_drop_performed (MetaWaylandDataSource *source)
MetaWaylandDataSourcePrivate *priv =
meta_wayland_data_source_get_instance_private (source);
priv->drop_performed = TRUE;
if (wl_resource_get_version (priv->resource) >=
WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION)
wl_data_source_send_dnd_drop_performed (priv->resource);
@ -1440,6 +1461,7 @@ meta_wayland_data_source_init (MetaWaylandDataSource *source)
wl_array_init (&priv->mime_types);
priv->current_dnd_action = -1;
priv->drop_performed = FALSE;
}
static void