wayland: Use a MetaDnDActor for the DnD icon surface

The actor is updated on DnD grab motion events, properly notified
when dragging finishes, and destroyed if the client/surface disappear
below its feet.
This commit is contained in:
Carlos Garnacho 2014-10-06 17:03:51 +02:00 committed by Jasper St. Pierre
parent 28e59c5a8f
commit 113be01ce8

View File

@ -34,6 +34,7 @@
#include "meta-wayland-seat.h"
#include "meta-wayland-pointer.h"
#include "meta-wayland-private.h"
#include "meta-dnd-actor-private.h"
typedef struct
{
@ -182,6 +183,8 @@ struct _MetaWaylandDragGrab {
MetaWaylandDataSource *drag_data_source;
struct wl_listener drag_data_source_listener;
ClutterActor *feedback_actor;
MetaWaylandSurface *drag_origin;
struct wl_listener drag_origin_listener;
@ -266,6 +269,10 @@ drag_grab_motion (MetaWaylandPointerGrab *grab,
clutter_event_get_time (event),
sx, sy);
}
if (drag_grab->drag_surface)
meta_feedback_actor_update (META_FEEDBACK_ACTOR (drag_grab->feedback_actor),
event);
}
static void
@ -289,6 +296,12 @@ data_device_end_drag_grab (MetaWaylandDragGrab *drag_grab)
wl_list_remove (&drag_grab->drag_data_source_listener.link);
}
if (drag_grab->feedback_actor)
{
clutter_actor_remove_all_children (drag_grab->feedback_actor);
clutter_actor_destroy (drag_grab->feedback_actor);
}
drag_grab->seat->data_device.current_grab = NULL;
drag_grab_focus (&drag_grab->generic, NULL);
@ -305,10 +318,23 @@ drag_grab_button (MetaWaylandPointerGrab *grab,
MetaWaylandSeat *seat = drag_grab->seat;
ClutterEventType event_type = clutter_event_type (event);
if (drag_grab->drag_focus_data_device &&
drag_grab->generic.pointer->grab_button == clutter_event_get_button (event) &&
if (drag_grab->generic.pointer->grab_button == clutter_event_get_button (event) &&
event_type == CLUTTER_BUTTON_RELEASE)
wl_data_device_send_drop (drag_grab->drag_focus_data_device);
{
gboolean success = FALSE;
if (drag_grab->drag_focus_data_device &&
drag_grab->drag_data_source->has_target)
{
wl_data_device_send_drop (drag_grab->drag_focus_data_device);
success = TRUE;
}
/* Finish drag and let actor self-destruct */
meta_dnd_actor_drag_finish (META_DND_ACTOR (drag_grab->feedback_actor),
success);
drag_grab->feedback_actor = NULL;
}
if (seat->pointer.button_count == 0 &&
event_type == CLUTTER_BUTTON_RELEASE)
@ -348,6 +374,9 @@ destroy_data_device_icon (struct wl_listener *listener, void *data)
wl_container_of (listener, drag_grab, drag_data_source_listener);
drag_grab->drag_surface = NULL;
if (drag_grab->feedback_actor)
clutter_actor_remove_all_children (drag_grab->feedback_actor);
}
static void
@ -414,6 +443,19 @@ data_device_start_drag (struct wl_client *client,
drag_grab->drag_icon_listener.notify = destroy_data_device_icon;
wl_resource_add_destroy_listener (icon_resource,
&drag_grab->drag_icon_listener);
drag_grab->feedback_actor = meta_dnd_actor_new (CLUTTER_ACTOR (drag_grab->drag_origin->surface_actor),
drag_grab->drag_start_x,
drag_grab->drag_start_y);
meta_feedback_actor_set_anchor (META_FEEDBACK_ACTOR (drag_grab->feedback_actor),
-drag_grab->drag_surface->offset_x,
-drag_grab->drag_surface->offset_y);
clutter_actor_add_child (drag_grab->feedback_actor,
CLUTTER_ACTOR (drag_grab->drag_surface->surface_actor));
clutter_input_device_get_coords (seat->pointer.device, NULL, &pos);
meta_feedback_actor_set_position (META_FEEDBACK_ACTOR (drag_grab->feedback_actor),
pos.x, pos.y);
}
meta_wayland_pointer_set_focus (&seat->pointer, NULL);