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When there are two (or more) concurrent XConvertSelection requests with the same target, selection and window and the data is large enough for SelectionNotify events to overlap. This can result in the affected streams being considered completed without any data being transferred. While regular mutter/shell code does not make use of concurrent XConvertSelection requests with the same targets, some extensions might. Such as for example a clipboard manager that like the built-in clipboard manager tries to read the selection on owner-changed. One potential solution would be to make sure the event is for the correct property, but not all clients seem to support concurrent requests for the same targets but different properties on the same window. This commit instead changes the streams to use their own window which seems to be more widely supported. Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4034 Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1812>
54 lines
2.7 KiB
C
54 lines
2.7 KiB
C
/* 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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#ifndef META_X11_SELECTION_INPUT_STREAM_H
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#define META_X11_SELECTION_INPUT_STREAM_H
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#include <gio/gio.h>
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#include "x11/meta-x11-display-private.h"
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#define META_TYPE_X11_SELECTION_INPUT_STREAM (meta_x11_selection_input_stream_get_type ())
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G_DECLARE_FINAL_TYPE (MetaX11SelectionInputStream,
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meta_x11_selection_input_stream,
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META, X11_SELECTION_INPUT_STREAM,
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GInputStream)
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void meta_x11_selection_input_stream_new_async (MetaX11Display *x11_display,
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const char *selection,
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const char *target,
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guint32 timestamp,
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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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GInputStream * meta_x11_selection_input_stream_new_finish (GAsyncResult *result,
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const char **type,
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int *format,
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GError **error);
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gboolean meta_x11_selection_input_stream_xevent (MetaX11SelectionInputStream *stream,
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const XEvent *xevent);
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G_END_DECLS
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#endif /* META_X11_SELECTION_INPUT_STREAM_H */
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