static void
selection_buffer_read_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
SelectionBuffer *buffer = user_data;
gboolean finished = TRUE;
GError *error = NULL;
GBytes *bytes;
bytes = g_input_stream_read_bytes_finish (buffer->stream, result, &error);
if (bytes)
{
finished = g_bytes_get_size (bytes) == 0;
selection_buffer_append_data (buffer,
g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes));
g_bytes_unref (bytes);
}
if (!finished)
selection_buffer_read (buffer);
else
{
if (error)
{
g_warning (G_STRLOC ": error reading selection buffer: %s", error->message);
g_error_free (error);
}
else
selection_buffer_notify (buffer);
g_input_stream_close (buffer->stream, NULL, NULL);
g_clear_object (&buffer->stream);
g_clear_object (&buffer->cancellable);
}
selection_buffer_unref (buffer);
}
void
_gdk_wayland_display_convert_selection (GdkDisplay *display,
GdkWindow *requestor,
GdkAtom selection,
GdkAtom target,
guint32 time)
{
GdkWaylandSelection *wayland_selection = gdk_wayland_display_get_selection (display);
SelectionBuffer *buffer_data;
if (!wayland_selection->offer)
{
GdkEvent *event;
event = gdk_event_new (GDK_SELECTION_NOTIFY);
event->selection.window = g_object_ref (requestor);
event->selection.send_event = FALSE;
event->selection.selection = selection;
event->selection.target = target;
event->selection.property = GDK_NONE;
event->selection.time = GDK_CURRENT_TIME;
event->selection.requestor = g_object_ref (requestor);
gdk_event_put (event);
gdk_event_free (event);
return;
}
wl_data_offer_accept (wayland_selection->offer,
_gdk_wayland_display_get_serial (GDK_WAYLAND_DISPLAY (display)),
gdk_atom_name (target));
buffer_data = g_hash_table_lookup (wayland_selection->selection_buffers,
target);
if (buffer_data)
selection_buffer_add_requestor (buffer_data, requestor);
else
{
GInputStream *stream = NULL;
int pipe_fd[2], natoms = 0;
GdkAtom *atoms = NULL;
if (target == gdk_atom_intern_static_string ("TARGETS"))
{
gint i = 0;
GList *l;
natoms = g_list_length (wayland_selection->targets);
atoms = g_new0 (GdkAtom, natoms);
for (l = wayland_selection->targets; l; l = l->next)
atoms[i++] = l->data;
}
else
{
g_unix_open_pipe (pipe_fd, FD_CLOEXEC, NULL);
wl_data_offer_receive (wayland_selection->offer,
gdk_atom_name (target),
pipe_fd[1]);
stream = g_unix_input_stream_new (pipe_fd[0], TRUE);
close (pipe_fd[1]);
}
buffer_data = selection_buffer_new (stream, selection, target);
selection_buffer_add_requestor (buffer_data, requestor);
if (stream)
g_object_unref (stream);
if (atoms)
{
/* Store directly the local atoms */
selection_buffer_append_data (buffer_data, atoms, natoms * sizeof (GdkAtom));
g_free (atoms);
}
g_hash_table_insert (wayland_selection->selection_buffers,
GDK_ATOM_TO_POINTER (target),
buffer_data);
}
if (!buffer_data->stream)
selection_buffer_notify (buffer_data);
}
void
_gdk_wayland_display_convert_selection (GdkDisplay *display,
GdkWindow *requestor,
GdkAtom selection,
GdkAtom target,
guint32 time)
{
GdkWaylandSelection *wayland_selection = gdk_wayland_display_get_selection (display);
const SelectionData *selection_data;
SelectionBuffer *buffer_data;
gpointer offer;
gchar *mimetype;
GList *target_list;
selection_data = selection_lookup_offer_by_atom (wayland_selection, selection);
if (!selection_data)
return;
offer = gdk_wayland_selection_get_offer (display, selection);
target_list = gdk_wayland_selection_get_targets (display, selection);
if (!offer || target == gdk_atom_intern_static_string ("DELETE"))
{
emit_empty_selection_notify (requestor, selection, target);
return;
}
mimetype = gdk_atom_name (target);
if (target != gdk_atom_intern_static_string ("TARGETS"))
{
if (!g_list_find (target_list, GDK_ATOM_TO_POINTER (target)))
{
emit_empty_selection_notify (requestor, selection, target);
return;
}
if (selection != atoms[ATOM_PRIMARY])
wl_data_offer_accept (offer,
_gdk_wayland_display_get_serial (GDK_WAYLAND_DISPLAY (display)),
mimetype);
}
buffer_data = g_hash_table_lookup (selection_data->buffers, target);
if (buffer_data)
selection_buffer_add_requestor (buffer_data, requestor);
else
{
GInputStream *stream = NULL;
int pipe_fd[2], natoms = 0;
GdkAtom *targets = NULL;
if (target == gdk_atom_intern_static_string ("TARGETS"))
{
gint i = 0;
GList *l;
natoms = g_list_length (target_list);
targets = g_new0 (GdkAtom, natoms);
for (l = target_list; l; l = l->next)
targets[i++] = l->data;
}
else
{
g_unix_open_pipe (pipe_fd, FD_CLOEXEC, NULL);
if (selection == atoms[ATOM_PRIMARY])
gtk_primary_selection_offer_receive (offer, mimetype, pipe_fd[1]);
else
wl_data_offer_receive (offer, mimetype, pipe_fd[1]);
stream = g_unix_input_stream_new (pipe_fd[0], TRUE);
close (pipe_fd[1]);
}
buffer_data = selection_buffer_new (stream, selection, target);
selection_buffer_add_requestor (buffer_data, requestor);
if (stream)
g_object_unref (stream);
if (targets)
{
/* Store directly the local atoms */
selection_buffer_append_data (buffer_data, targets, natoms * sizeof (GdkAtom));
g_free (targets);
}
g_hash_table_insert (selection_data->buffers,
GDK_ATOM_TO_POINTER (target),
buffer_data);
}
if (!buffer_data->stream)
selection_buffer_notify (buffer_data);
g_free (mimetype);
}