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https://gitlab.uni-freiburg.de/opensourcevdi/spice
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070e0fcd63
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com> Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Jonathon Jongsma <jjongsma@redhat.com>
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009 Red Hat, Inc.
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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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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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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CURSOR_CHANNEL_H_
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# define CURSOR_CHANNEL_H_
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#include "spice.h"
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#include "reds.h"
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#include "red_worker.h"
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#include "red_parse_qxl.h"
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#include "cache-item.h"
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#include "stat.h"
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#define CLIENT_CURSOR_CACHE_SIZE 256
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#define CURSOR_CACHE_HASH_SHIFT 8
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#define CURSOR_CACHE_HASH_SIZE (1 << CURSOR_CACHE_HASH_SHIFT)
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#define CURSOR_CACHE_HASH_MASK (CURSOR_CACHE_HASH_SIZE - 1)
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#define CURSOR_CACHE_HASH_KEY(id) ((id) & CURSOR_CACHE_HASH_MASK)
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typedef struct CursorItem {
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uint32_t group_id;
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int refs;
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RedCursorCmd *red_cursor;
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} CursorItem;
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typedef struct CursorPipeItem {
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PipeItem base;
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CursorItem *cursor_item;
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int refs;
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} CursorPipeItem;
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typedef struct LocalCursor {
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CursorItem base;
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SpicePoint16 position;
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uint32_t data_size;
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SpiceCursor red_cursor;
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} LocalCursor;
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typedef struct CursorChannelClient {
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CommonChannelClient common;
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CacheItem *cursor_cache[CURSOR_CACHE_HASH_SIZE];
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Ring cursor_cache_lru;
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long cursor_cache_available;
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uint32_t cursor_cache_items;
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} CursorChannelClient;
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typedef struct CursorChannel {
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CommonChannel common; // Must be the first thing
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CursorItem *item;
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int cursor_visible;
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SpicePoint16 cursor_position;
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uint16_t cursor_trail_length;
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uint16_t cursor_trail_frequency;
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uint32_t mouse_mode;
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#ifdef RED_STATISTICS
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StatNodeRef stat;
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#endif
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} CursorChannel;
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G_STATIC_ASSERT(sizeof(CursorItem) <= QXL_CURSUR_DEVICE_DATA_SIZE);
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CursorChannel* cursor_channel_new (RedWorker *worker, int migrate);
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void cursor_channel_disconnect (RedChannel *channel);
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void cursor_channel_reset (CursorChannel *cursor);
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void cursor_channel_process_cmd (CursorChannel *cursor, RedCursorCmd *cursor_cmd,
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uint32_t group_id);
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CursorItem* cursor_item_new (RedCursorCmd *cmd, uint32_t group_id);
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void cursor_item_unref (QXLInstance *qxl, CursorItem *cursor);
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CursorChannelClient *cursor_channel_client_new(CommonChannel *common,
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RedClient *client, RedsStream *stream,
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int mig_target,
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uint32_t *common_caps, int num_common_caps,
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uint32_t *caps, int num_caps);
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#endif /* CURSOR_CHANNEL_H_ */
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