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Update drag protocol to use fd passing for data transfer

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This commit is contained in:
Kristian Høgsberg 2010-08-27 20:29:56 -04:00
parent aebeee0bbf
commit 4eb536091a
4 changed files with 105 additions and 52 deletions
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32
compositor.c
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@ -823,9 +823,10 @@ wlsc_input_device_end_grab(struct wlsc_input_device *device, uint32_t time)
switch (device->grab) {
case WLSC_DEVICE_GRAB_DRAG:
if (drag->target)
wl_client_post_event(drag->target,
&drag->base, WL_DRAG_DROP);
wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
wl_surface_post_event(drag->source, &drag->base,
WL_DRAG_FINISH);
wl_drag_reset(drag);
break;
default:
@ -1030,6 +1031,7 @@ wl_drag_set_pointer_focus(struct wl_drag *drag,
drag->pointer_focus = &surface->base;
drag->target = NULL;
}
static void
@ -1043,12 +1045,12 @@ wl_drag_reset(struct wl_drag *drag)
wl_array_release(&drag->types);
wl_array_init(&drag->types);
drag->source = NULL;
/* FIXME: We need to reset drag->target too, but can't right
* now because we need it for send/drop.
*
* drag->target = NULL; */
* drag->target = NULL;
* drag->source = NULL;
*/
drag->time = 0;
drag->pointer_focus = NULL;
}
@ -1131,14 +1133,6 @@ drag_cancel(struct wl_client *client, struct wl_drag *drag)
wlsc_input_device_end_grab(device, get_time());
}
static void
drag_send(struct wl_client *client,
struct wl_drag *drag, struct wl_array *contents)
{
wl_client_post_event(drag->target,
&drag->base, WL_DRAG_DROP, contents);
}
static void
drag_accept(struct wl_client *client,
struct wl_drag *drag, const char *type)
@ -1181,13 +1175,21 @@ drag_accept(struct wl_client *client,
WL_DRAG_TARGET, drag->type);
}
static void
drag_receive(struct wl_client *client,
struct wl_drag *drag, int fd)
{
wl_surface_post_event(drag->source, &drag->base, WL_DRAG_FINISH, fd);
close(fd);
}
static const struct wl_drag_interface drag_interface = {
drag_prepare,
drag_offer,
drag_activate,
drag_cancel,
drag_send,
drag_accept
drag_accept,
drag_receive
};
static void