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https://github.com/brl/mutter.git
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1e50ca0057
If the remote desktop service emits absolute input events (e.g. absolute pointer events) before the stream has started streaming, we don't have a virtual monitor, as the size has not been negotiated yet. When this happens, just drop the event. Remote desktop services should probably make sure not to send events before the streaming has started, but them doing so anyway shouldn't trigger a crash, which would be the case otherwise. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2270>
125 lines
4.3 KiB
C
125 lines
4.3 KiB
C
/*
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* Copyright (C) 2021 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include "backends/meta-screen-cast-virtual-stream.h"
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#include "backends/meta-screen-cast-virtual-stream-src.h"
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#include "backends/meta-virtual-monitor.h"
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struct _MetaScreenCastVirtualStream
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{
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MetaScreenCastStream parent;
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};
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G_DEFINE_TYPE (MetaScreenCastVirtualStream,
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meta_screen_cast_virtual_stream,
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META_TYPE_SCREEN_CAST_STREAM)
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MetaScreenCastVirtualStream *
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meta_screen_cast_virtual_stream_new (MetaScreenCastSession *session,
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GDBusConnection *connection,
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MetaScreenCastCursorMode cursor_mode,
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MetaScreenCastFlag flags,
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GError **error)
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{
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MetaScreenCastVirtualStream *virtual_stream;
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virtual_stream = g_initable_new (META_TYPE_SCREEN_CAST_VIRTUAL_STREAM,
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NULL,
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error,
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"session", session,
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"connection", connection,
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"cursor-mode", cursor_mode,
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"flags", flags,
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NULL);
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if (!virtual_stream)
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return NULL;
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return virtual_stream;
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}
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static MetaScreenCastStreamSrc *
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meta_screen_cast_virtual_stream_create_src (MetaScreenCastStream *stream,
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GError **error)
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{
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MetaScreenCastVirtualStream *virtual_stream =
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META_SCREEN_CAST_VIRTUAL_STREAM (stream);
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MetaScreenCastVirtualStreamSrc *virtual_stream_src;
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virtual_stream_src = meta_screen_cast_virtual_stream_src_new (virtual_stream,
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error);
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if (!virtual_stream_src)
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return NULL;
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return META_SCREEN_CAST_STREAM_SRC (virtual_stream_src);
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}
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static void
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meta_screen_cast_virtual_stream_set_parameters (MetaScreenCastStream *stream,
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GVariantBuilder *parameters_builder)
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{
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}
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static gboolean
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meta_screen_cast_virtual_stream_transform_position (MetaScreenCastStream *stream,
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double stream_x,
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double stream_y,
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double *x,
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double *y)
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{
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MetaScreenCastStreamSrc *src = meta_screen_cast_stream_get_src (stream);
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MetaScreenCastVirtualStreamSrc *virtual_src =
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META_SCREEN_CAST_VIRTUAL_STREAM_SRC (src);
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ClutterStageView *view;
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MetaRectangle view_layout;
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if (!meta_screen_cast_stream_src_is_enabled (src))
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return FALSE;
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view = meta_screen_cast_virtual_stream_src_get_view (virtual_src);
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if (!view)
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return FALSE;
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clutter_stage_view_get_layout (view, &view_layout);
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*x = stream_x + view_layout.x;
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*y = stream_y + view_layout.y;
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return TRUE;
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}
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static void
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meta_screen_cast_virtual_stream_init (MetaScreenCastVirtualStream *virtual_stream)
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{
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}
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static void
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meta_screen_cast_virtual_stream_class_init (MetaScreenCastVirtualStreamClass *klass)
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{
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MetaScreenCastStreamClass *stream_class =
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META_SCREEN_CAST_STREAM_CLASS (klass);
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stream_class->create_src = meta_screen_cast_virtual_stream_create_src;
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stream_class->set_parameters = meta_screen_cast_virtual_stream_set_parameters;
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stream_class->transform_position = meta_screen_cast_virtual_stream_transform_position;
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}
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