2017-11-19 17:06:13 +00:00
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2017 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Benjamin Otte <otte@gnome.org>
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* Christian Kellner <gicmo@gnome.org>
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*/
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#include "config.h"
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#include "gdkselectioninputstream-x11.h"
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#include "gdkdisplay-x11.h"
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2022-09-24 03:33:42 +00:00
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#include <glib/gi18n-lib.h>
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2017-11-19 17:06:13 +00:00
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#include "gdkx11display.h"
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#include "gdkx11property.h"
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2018-03-20 10:46:11 +00:00
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#include "gdkx11surface.h"
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2017-11-19 17:06:13 +00:00
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typedef struct GdkX11SelectionInputStreamPrivate GdkX11SelectionInputStreamPrivate;
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struct GdkX11SelectionInputStreamPrivate {
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GdkDisplay *display;
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2017-11-20 20:29:32 +00:00
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GAsyncQueue *chunks;
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2017-11-19 17:06:13 +00:00
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char *selection;
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Atom xselection;
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char *target;
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Atom xtarget;
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char *property;
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Atom xproperty;
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2017-11-23 00:59:19 +00:00
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const char *type;
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Atom xtype;
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int format;
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2017-11-19 17:06:13 +00:00
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GTask *pending_task;
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guchar *pending_data;
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gsize pending_size;
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guint complete : 1;
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2017-11-19 19:52:36 +00:00
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guint incr : 1;
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2017-11-19 17:06:13 +00:00
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};
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G_DEFINE_TYPE_WITH_PRIVATE (GdkX11SelectionInputStream, gdk_x11_selection_input_stream, G_TYPE_INPUT_STREAM);
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2017-12-13 00:53:17 +00:00
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static gboolean
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gdk_x11_selection_input_stream_xevent (GdkDisplay *display,
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const XEvent *xevent,
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gpointer data);
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2017-11-19 17:06:13 +00:00
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static gboolean
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gdk_x11_selection_input_stream_has_data (GdkX11SelectionInputStream *stream)
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{
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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2017-11-20 20:29:32 +00:00
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return g_async_queue_length (priv->chunks) > 0 || priv->complete;
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2017-11-19 17:06:13 +00:00
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}
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2017-11-20 20:29:32 +00:00
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/* NB: blocks when no data is in buffer */
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static gsize
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2017-11-19 17:06:13 +00:00
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gdk_x11_selection_input_stream_fill_buffer (GdkX11SelectionInputStream *stream,
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guchar *buffer,
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gsize count)
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{
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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2017-11-20 20:29:32 +00:00
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GBytes *bytes;
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gsize result = 0;
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2017-11-19 17:06:13 +00:00
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2017-11-20 20:29:32 +00:00
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g_async_queue_lock (priv->chunks);
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for (bytes = g_async_queue_pop_unlocked (priv->chunks);
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bytes != NULL && count > 0;
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bytes = g_async_queue_try_pop_unlocked (priv->chunks))
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2017-11-19 17:06:13 +00:00
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{
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gsize size = g_bytes_get_size (bytes);
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2017-11-20 20:29:32 +00:00
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if (size == 0)
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{
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/* EOF marker, put it back */
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g_async_queue_push_front_unlocked (priv->chunks, bytes);
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break;
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}
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else if (size > count)
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2017-11-19 17:06:13 +00:00
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{
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GBytes *subbytes;
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if (buffer)
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memcpy (buffer, g_bytes_get_data (bytes, NULL), count);
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subbytes = g_bytes_new_from_bytes (bytes, count, size - count);
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2017-11-20 20:29:32 +00:00
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g_async_queue_push_front_unlocked (priv->chunks, subbytes);
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2017-11-19 17:06:13 +00:00
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size = count;
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}
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else
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{
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if (buffer)
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memcpy (buffer, g_bytes_get_data (bytes, NULL), size);
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}
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g_bytes_unref (bytes);
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result += size;
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if (buffer)
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buffer += size;
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count -= size;
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}
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2017-11-20 20:29:32 +00:00
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if (bytes)
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g_async_queue_push_front_unlocked (priv->chunks, bytes);
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g_async_queue_unlock (priv->chunks);
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2017-11-19 17:06:13 +00:00
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return result;
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}
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static void
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gdk_x11_selection_input_stream_flush (GdkX11SelectionInputStream *stream)
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{
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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gssize written;
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if (!gdk_x11_selection_input_stream_has_data (stream))
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return;
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if (priv->pending_task == NULL)
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return;
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written = gdk_x11_selection_input_stream_fill_buffer (stream, priv->pending_data, priv->pending_size);
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2022-09-23 01:34:04 +00:00
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GDK_DISPLAY_DEBUG (priv->display, SELECTION,
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"%s:%s: finishing read of %zd/%zu bytes",
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priv->selection, priv->target,
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written, priv->pending_size);
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2017-11-19 17:06:13 +00:00
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g_task_return_int (priv->pending_task, written);
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2018-09-16 14:38:25 +00:00
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g_clear_object (&priv->pending_task);
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2017-11-19 17:06:13 +00:00
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priv->pending_data = NULL;
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priv->pending_size = 0;
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}
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static void
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gdk_x11_selection_input_stream_complete (GdkX11SelectionInputStream *stream)
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{
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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if (priv->complete)
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return;
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2022-09-23 01:34:04 +00:00
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GDK_DISPLAY_DEBUG (priv->display, SELECTION,
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"%s:%s: transfer complete",
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priv->selection, priv->target);
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2017-11-19 17:06:13 +00:00
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priv->complete = TRUE;
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2017-11-20 20:29:32 +00:00
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g_async_queue_push (priv->chunks, g_bytes_new (NULL, 0));
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2017-11-19 17:06:13 +00:00
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gdk_x11_selection_input_stream_flush (stream);
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2017-11-25 20:59:39 +00:00
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GDK_X11_DISPLAY (priv->display)->streams = g_slist_remove (GDK_X11_DISPLAY (priv->display)->streams, stream);
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2017-12-13 00:09:32 +00:00
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g_signal_handlers_disconnect_by_func (priv->display,
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2017-12-13 00:53:17 +00:00
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gdk_x11_selection_input_stream_xevent,
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2017-12-13 00:09:32 +00:00
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stream);
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2017-11-19 17:06:13 +00:00
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g_object_unref (stream);
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}
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static gssize
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2017-11-20 20:29:32 +00:00
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gdk_x11_selection_input_stream_read (GInputStream *input_stream,
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2017-11-19 17:06:13 +00:00
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void *buffer,
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gsize count,
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GCancellable *cancellable,
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GError **error)
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{
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2017-11-20 20:29:32 +00:00
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GdkX11SelectionInputStream *stream = GDK_X11_SELECTION_INPUT_STREAM (input_stream);
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2017-11-22 09:43:04 +00:00
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#ifdef G_ENABLE_DEBUG
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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#endif
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gssize written;
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2017-11-19 17:06:13 +00:00
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2022-09-23 01:34:04 +00:00
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GDK_DISPLAY_DEBUG (priv->display, SELECTION,
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"%s:%s: starting sync read of %zu bytes",
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priv->selection, priv->target, count);
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2017-11-22 09:43:04 +00:00
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written = gdk_x11_selection_input_stream_fill_buffer (stream, buffer, count);
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2022-09-23 01:34:04 +00:00
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GDK_DISPLAY_DEBUG (priv->display, SELECTION,
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"%s:%s: finishing sync read of %zd/%zu bytes",
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priv->selection, priv->target, written, count);
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2017-11-22 09:43:04 +00:00
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return written;
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2017-11-19 17:06:13 +00:00
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}
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static gboolean
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gdk_x11_selection_input_stream_close (GInputStream *stream,
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GCancellable *cancellable,
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GError **error)
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{
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return TRUE;
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}
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static void
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gdk_x11_selection_input_stream_read_async (GInputStream *input_stream,
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void *buffer,
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gsize count,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GdkX11SelectionInputStream *stream = GDK_X11_SELECTION_INPUT_STREAM (input_stream);
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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GTask *task;
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task = g_task_new (stream, cancellable, callback, user_data);
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g_task_set_source_tag (task, gdk_x11_selection_input_stream_read_async);
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g_task_set_priority (task, io_priority);
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if (gdk_x11_selection_input_stream_has_data (stream))
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{
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gssize size;
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size = gdk_x11_selection_input_stream_fill_buffer (stream, buffer, count);
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2022-09-23 01:34:04 +00:00
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GDK_DISPLAY_DEBUG (priv->display, SELECTION,
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"%s:%s: async read of %zd/%zu bytes",
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priv->selection, priv->target, size, count);
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2017-11-19 17:06:13 +00:00
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g_task_return_int (task, size);
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2018-03-06 18:59:29 +00:00
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g_object_unref (task);
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2017-11-19 17:06:13 +00:00
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}
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else
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{
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priv->pending_data = buffer;
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priv->pending_size = count;
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priv->pending_task = task;
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2022-09-23 01:34:04 +00:00
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GDK_DISPLAY_DEBUG (priv->display, SELECTION,
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"%s:%s: async read of %zu bytes pending",
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priv->selection, priv->target, count);
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2017-11-19 17:06:13 +00:00
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}
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}
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static gssize
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gdk_x11_selection_input_stream_read_finish (GInputStream *stream,
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GAsyncResult *result,
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GError **error)
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{
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g_return_val_if_fail (g_task_is_valid (result, stream), -1);
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2017-11-22 09:43:04 +00:00
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g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) == gdk_x11_selection_input_stream_read_async, -1);
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2017-11-19 17:06:13 +00:00
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return g_task_propagate_int (G_TASK (result), error);
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}
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static void
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gdk_x11_selection_input_stream_close_async (GInputStream *stream,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GTask *task;
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task = g_task_new (stream, cancellable, callback, user_data);
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g_task_set_source_tag (task, gdk_x11_selection_input_stream_close_async);
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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static gboolean
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gdk_x11_selection_input_stream_close_finish (GInputStream *stream,
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GAsyncResult *result,
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GError **error)
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{
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return TRUE;
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}
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static void
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gdk_x11_selection_input_stream_finalize (GObject *object)
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{
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GdkX11SelectionInputStream *stream = GDK_X11_SELECTION_INPUT_STREAM (object);
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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gdk_x11_selection_input_stream_complete (stream);
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2017-11-20 20:29:32 +00:00
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g_async_queue_unref (priv->chunks);
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2017-11-19 17:06:13 +00:00
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g_free (priv->selection);
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g_free (priv->target);
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g_free (priv->property);
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G_OBJECT_CLASS (gdk_x11_selection_input_stream_parent_class)->finalize (object);
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}
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static void
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gdk_x11_selection_input_stream_class_init (GdkX11SelectionInputStreamClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GInputStreamClass *istream_class = G_INPUT_STREAM_CLASS (klass);
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object_class->finalize = gdk_x11_selection_input_stream_finalize;
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istream_class->read_fn = gdk_x11_selection_input_stream_read;
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istream_class->close_fn = gdk_x11_selection_input_stream_close;
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istream_class->read_async = gdk_x11_selection_input_stream_read_async;
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istream_class->read_finish = gdk_x11_selection_input_stream_read_finish;
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istream_class->close_async = gdk_x11_selection_input_stream_close_async;
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istream_class->close_finish = gdk_x11_selection_input_stream_close_finish;
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}
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static void
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gdk_x11_selection_input_stream_init (GdkX11SelectionInputStream *stream)
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{
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2017-11-20 20:29:32 +00:00
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GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
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priv->chunks = g_async_queue_new_full ((GDestroyNotify) g_bytes_unref);
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2017-11-19 17:06:13 +00:00
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}
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static void
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XFree_without_return_value (gpointer data)
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{
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|
|
XFree (data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static GBytes *
|
|
|
|
get_selection_property (Display *display,
|
|
|
|
Window owner,
|
|
|
|
Atom property,
|
|
|
|
Atom *ret_type,
|
2020-07-24 13:54:49 +00:00
|
|
|
int *ret_format)
|
2017-11-19 17:06:13 +00:00
|
|
|
{
|
|
|
|
gulong nitems;
|
|
|
|
gulong nbytes;
|
|
|
|
Atom prop_type;
|
2020-07-24 13:54:49 +00:00
|
|
|
int prop_format;
|
2017-11-19 17:06:13 +00:00
|
|
|
guchar *data = NULL;
|
|
|
|
|
|
|
|
if (XGetWindowProperty (display, owner, property,
|
|
|
|
0, 0x1FFFFFFF, False,
|
|
|
|
AnyPropertyType, &prop_type, &prop_format,
|
|
|
|
&nitems, &nbytes, &data) != Success)
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
if (prop_type != None)
|
|
|
|
{
|
|
|
|
gsize length;
|
|
|
|
|
|
|
|
switch (prop_format)
|
|
|
|
{
|
|
|
|
case 8:
|
|
|
|
length = nitems;
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
length = sizeof (short) * nitems;
|
|
|
|
break;
|
|
|
|
case 32:
|
|
|
|
length = sizeof (long) * nitems;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
g_warning ("Unknown XGetWindowProperty() format %u", prop_format);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
*ret_type = prop_type;
|
|
|
|
*ret_format = prop_format;
|
|
|
|
|
|
|
|
return g_bytes_new_with_free_func (data,
|
|
|
|
length,
|
|
|
|
XFree_without_return_value,
|
|
|
|
data);
|
|
|
|
}
|
|
|
|
|
|
|
|
err:
|
|
|
|
if (data)
|
|
|
|
XFree (data);
|
|
|
|
|
|
|
|
*ret_type = None;
|
|
|
|
*ret_format = 0;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2017-12-13 00:53:17 +00:00
|
|
|
static gboolean
|
|
|
|
gdk_x11_selection_input_stream_xevent (GdkDisplay *display,
|
|
|
|
const XEvent *xevent,
|
|
|
|
gpointer data)
|
2017-11-19 17:06:13 +00:00
|
|
|
{
|
|
|
|
GdkX11SelectionInputStream *stream = GDK_X11_SELECTION_INPUT_STREAM (data);
|
|
|
|
GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
|
|
|
|
Display *xdisplay;
|
|
|
|
Window xwindow;
|
|
|
|
GBytes *bytes;
|
2017-11-19 19:52:36 +00:00
|
|
|
Atom type;
|
2020-07-24 13:54:49 +00:00
|
|
|
int format;
|
2017-11-19 17:06:13 +00:00
|
|
|
|
|
|
|
xdisplay = gdk_x11_display_get_xdisplay (priv->display);
|
|
|
|
xwindow = GDK_X11_DISPLAY (priv->display)->leader_window;
|
|
|
|
|
2017-11-19 19:52:36 +00:00
|
|
|
if (xevent->xany.display != xdisplay ||
|
|
|
|
xevent->xany.window != xwindow)
|
2017-12-13 00:53:17 +00:00
|
|
|
return FALSE;
|
2017-11-19 17:06:13 +00:00
|
|
|
|
|
|
|
switch (xevent->type)
|
|
|
|
{
|
2017-11-19 19:52:36 +00:00
|
|
|
case PropertyNotify:
|
|
|
|
if (!priv->incr ||
|
|
|
|
xevent->xproperty.atom != priv->xproperty ||
|
|
|
|
xevent->xproperty.state != PropertyNewValue)
|
2017-12-13 00:53:17 +00:00
|
|
|
return FALSE;
|
2017-11-19 19:52:36 +00:00
|
|
|
|
|
|
|
bytes = get_selection_property (xdisplay, xwindow, xevent->xproperty.atom, &type, &format);
|
|
|
|
if (bytes == NULL)
|
|
|
|
{
|
2022-09-23 01:34:04 +00:00
|
|
|
GDK_DISPLAY_DEBUG (display, SELECTION,
|
|
|
|
"%s:%s: got PropertyNotify erroring out of INCR",
|
|
|
|
priv->selection, priv->target);
|
2017-11-19 19:52:36 +00:00
|
|
|
/* error, should we signal one? */
|
|
|
|
gdk_x11_selection_input_stream_complete (stream);
|
|
|
|
}
|
|
|
|
else if (g_bytes_get_size (bytes) == 0 || type == None)
|
|
|
|
{
|
2022-09-23 01:34:04 +00:00
|
|
|
GDK_DISPLAY_DEBUG (display, SELECTION,
|
|
|
|
"%s:%s: got PropertyNotify ending INCR",
|
|
|
|
priv->selection, priv->target);
|
2017-11-19 19:52:36 +00:00
|
|
|
g_bytes_unref (bytes);
|
|
|
|
gdk_x11_selection_input_stream_complete (stream);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2022-09-23 01:34:04 +00:00
|
|
|
GDK_DISPLAY_DEBUG (display, SELECTION,
|
|
|
|
"%s:%s: got PropertyNotify during INCR with %zu bytes",
|
|
|
|
priv->selection, priv->target,
|
|
|
|
g_bytes_get_size (bytes));
|
2017-11-20 20:29:32 +00:00
|
|
|
g_async_queue_push (priv->chunks, bytes);
|
2017-11-19 19:52:36 +00:00
|
|
|
gdk_x11_selection_input_stream_flush (stream);
|
|
|
|
}
|
|
|
|
|
|
|
|
XDeleteProperty (xdisplay, xwindow, xevent->xproperty.atom);
|
|
|
|
|
2017-12-13 00:53:17 +00:00
|
|
|
return FALSE;
|
2017-11-19 19:52:36 +00:00
|
|
|
|
2017-11-19 17:06:13 +00:00
|
|
|
case SelectionNotify:
|
|
|
|
{
|
2017-11-22 08:25:35 +00:00
|
|
|
GTask *task;
|
2017-11-19 17:06:13 +00:00
|
|
|
|
2017-11-22 08:25:35 +00:00
|
|
|
/* selection is not for us */
|
2017-11-19 17:06:13 +00:00
|
|
|
if (priv->xselection != xevent->xselection.selection ||
|
|
|
|
priv->xtarget != xevent->xselection.target)
|
2017-12-13 00:53:17 +00:00
|
|
|
return FALSE;
|
2017-11-19 17:06:13 +00:00
|
|
|
|
2017-11-22 08:25:35 +00:00
|
|
|
/* We already received a selectionNotify before */
|
|
|
|
if (priv->pending_task == NULL ||
|
|
|
|
g_task_get_source_tag (priv->pending_task) != gdk_x11_selection_input_stream_new_async)
|
2017-12-13 00:53:17 +00:00
|
|
|
return FALSE;
|
2017-11-22 08:25:35 +00:00
|
|
|
|
2022-09-23 01:34:04 +00:00
|
|
|
GDK_DISPLAY_DEBUG (display, SELECTION,
|
|
|
|
"%s:%s: got SelectionNotify",
|
|
|
|
priv->selection, priv->target);
|
2017-11-19 17:06:13 +00:00
|
|
|
|
2017-11-22 08:25:35 +00:00
|
|
|
task = priv->pending_task;
|
|
|
|
priv->pending_task = NULL;
|
2017-11-19 17:06:13 +00:00
|
|
|
|
2017-11-22 08:25:35 +00:00
|
|
|
if (xevent->xselection.property == None)
|
|
|
|
{
|
|
|
|
g_task_return_new_error (task,
|
|
|
|
G_IO_ERROR,
|
|
|
|
G_IO_ERROR_NOT_FOUND,
|
|
|
|
_("Format %s not supported"), priv->target);
|
2017-11-19 17:06:13 +00:00
|
|
|
gdk_x11_selection_input_stream_complete (stream);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2017-11-23 00:59:19 +00:00
|
|
|
bytes = get_selection_property (xdisplay, xwindow, xevent->xselection.property, &priv->xtype, &priv->format);
|
|
|
|
priv->type = gdk_x11_get_xatom_name_for_display (priv->display, priv->xtype);
|
2017-11-22 08:25:35 +00:00
|
|
|
|
|
|
|
g_task_return_pointer (task, g_object_ref (stream), g_object_unref);
|
|
|
|
|
|
|
|
if (bytes == NULL)
|
2022-09-23 01:34:04 +00:00
|
|
|
{
|
2017-11-22 08:25:35 +00:00
|
|
|
gdk_x11_selection_input_stream_complete (stream);
|
2017-11-19 17:06:13 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2017-11-22 08:25:35 +00:00
|
|
|
if (priv->xtype == gdk_x11_get_xatom_by_name_for_display (priv->display, "INCR"))
|
|
|
|
{
|
|
|
|
/* The remainder of the selection will come through PropertyNotify
|
|
|
|
events on xwindow */
|
2022-09-23 01:34:04 +00:00
|
|
|
GDK_DISPLAY_DEBUG (display, SELECTION,
|
|
|
|
"%s:%s: initiating INCR transfer",
|
|
|
|
priv->selection, priv->target);
|
2017-11-22 08:25:35 +00:00
|
|
|
priv->incr = TRUE;
|
|
|
|
gdk_x11_selection_input_stream_flush (stream);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2022-09-23 01:34:04 +00:00
|
|
|
GDK_DISPLAY_DEBUG (display, SELECTION,
|
|
|
|
"%s:%s: reading %zu bytes",
|
|
|
|
priv->selection, priv->target,
|
|
|
|
g_bytes_get_size (bytes));
|
2017-11-22 08:25:35 +00:00
|
|
|
g_async_queue_push (priv->chunks, bytes);
|
|
|
|
|
|
|
|
gdk_x11_selection_input_stream_complete (stream);
|
|
|
|
}
|
2017-11-19 17:06:13 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
XDeleteProperty (xdisplay, xwindow, xevent->xselection.property);
|
|
|
|
}
|
2017-11-22 08:25:35 +00:00
|
|
|
|
|
|
|
g_object_unref (task);
|
|
|
|
}
|
2017-12-13 00:53:17 +00:00
|
|
|
return TRUE;
|
2017-11-19 17:06:13 +00:00
|
|
|
|
|
|
|
default:
|
2017-12-13 00:53:17 +00:00
|
|
|
return FALSE;
|
2017-11-19 17:06:13 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-11-22 08:25:35 +00:00
|
|
|
void
|
|
|
|
gdk_x11_selection_input_stream_new_async (GdkDisplay *display,
|
|
|
|
const char *selection,
|
|
|
|
const char *target,
|
|
|
|
guint32 timestamp,
|
|
|
|
int io_priority,
|
|
|
|
GCancellable *cancellable,
|
|
|
|
GAsyncReadyCallback callback,
|
|
|
|
gpointer user_data)
|
2017-11-19 17:06:13 +00:00
|
|
|
{
|
|
|
|
GdkX11SelectionInputStream *stream;
|
|
|
|
GdkX11SelectionInputStreamPrivate *priv;
|
2017-11-22 08:25:35 +00:00
|
|
|
|
2017-11-19 17:06:13 +00:00
|
|
|
stream = g_object_new (GDK_TYPE_X11_SELECTION_INPUT_STREAM, NULL);
|
|
|
|
priv = gdk_x11_selection_input_stream_get_instance_private (stream);
|
|
|
|
|
|
|
|
priv->display = display;
|
2017-11-25 20:59:39 +00:00
|
|
|
GDK_X11_DISPLAY (display)->streams = g_slist_prepend (GDK_X11_DISPLAY (display)->streams, stream);
|
2017-11-19 17:06:13 +00:00
|
|
|
priv->selection = g_strdup (selection);
|
|
|
|
priv->xselection = gdk_x11_get_xatom_by_name_for_display (display, priv->selection);
|
|
|
|
priv->target = g_strdup (target);
|
|
|
|
priv->xtarget = gdk_x11_get_xatom_by_name_for_display (display, priv->target);
|
|
|
|
priv->property = g_strdup_printf ("GDK_SELECTION_%p", stream);
|
|
|
|
priv->xproperty = gdk_x11_get_xatom_by_name_for_display (display, priv->property);
|
|
|
|
|
2017-12-13 00:53:17 +00:00
|
|
|
g_signal_connect (display, "xevent", G_CALLBACK (gdk_x11_selection_input_stream_xevent), stream);
|
2017-11-19 17:06:13 +00:00
|
|
|
|
|
|
|
XConvertSelection (GDK_DISPLAY_XDISPLAY (display),
|
|
|
|
priv->xselection,
|
|
|
|
priv->xtarget,
|
|
|
|
priv->xproperty,
|
|
|
|
GDK_X11_DISPLAY (display)->leader_window,
|
2017-11-19 18:52:07 +00:00
|
|
|
timestamp);
|
2017-11-19 17:06:13 +00:00
|
|
|
|
2017-11-22 08:25:35 +00:00
|
|
|
priv->pending_task = g_task_new (NULL, cancellable, callback, user_data);
|
|
|
|
g_task_set_source_tag (priv->pending_task, gdk_x11_selection_input_stream_new_async);
|
|
|
|
g_task_set_priority (priv->pending_task, io_priority);
|
|
|
|
}
|
|
|
|
|
|
|
|
GInputStream *
|
|
|
|
gdk_x11_selection_input_stream_new_finish (GAsyncResult *result,
|
2017-11-23 00:59:19 +00:00
|
|
|
const char **type,
|
|
|
|
int *format,
|
2017-11-22 08:25:35 +00:00
|
|
|
GError **error)
|
|
|
|
{
|
2017-11-23 00:59:19 +00:00
|
|
|
GdkX11SelectionInputStream *stream;
|
2017-11-22 08:25:35 +00:00
|
|
|
GTask *task;
|
|
|
|
|
|
|
|
g_return_val_if_fail (g_task_is_valid (result, NULL), NULL);
|
|
|
|
task = G_TASK (result);
|
|
|
|
g_return_val_if_fail (g_task_get_source_tag (task) == gdk_x11_selection_input_stream_new_async, NULL);
|
|
|
|
|
|
|
|
stream = g_task_propagate_pointer (task, error);
|
|
|
|
if (stream)
|
2017-11-23 00:59:19 +00:00
|
|
|
{
|
|
|
|
GdkX11SelectionInputStreamPrivate *priv = gdk_x11_selection_input_stream_get_instance_private (stream);
|
|
|
|
|
|
|
|
if (type)
|
|
|
|
*type = priv->type;
|
|
|
|
if (format)
|
|
|
|
*format = priv->format;
|
|
|
|
g_object_ref (stream);
|
|
|
|
}
|
|
|
|
|
|
|
|
return G_INPUT_STREAM (stream);
|
2017-11-19 17:06:13 +00:00
|
|
|
}
|
|
|
|
|