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8e98f863b6
This will allow us to add an option to disable the screensaver on the client when an application in the guest requests it. This behaviour may be useful when the guest is doing media playback.
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR)
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Copyright (C) 2017-2021 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _H_LG_COMMON_KVMFR_
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#define _H_LG_COMMON_KVMFR_
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "types.h"
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#define KVMFR_MAGIC "KVMFR---"
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#define KVMFR_VERSION 9
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#define LGMP_Q_POINTER 1
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#define LGMP_Q_FRAME 2
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#define LGMP_Q_FRAME_LEN 2
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#define LGMP_Q_POINTER_LEN 20
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enum
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{
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CURSOR_FLAG_POSITION = 0x1,
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CURSOR_FLAG_VISIBLE = 0x2,
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CURSOR_FLAG_SHAPE = 0x4
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};
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typedef uint32_t KVMFRCursorFlags;
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typedef struct KVMFR
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{
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char magic[8];
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uint32_t version;
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char hostver[32];
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}
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KVMFR;
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typedef struct KVMFRCursor
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{
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int16_t x, y; // cursor x & y position
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CursorType type; // shape buffer data type
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int8_t hx, hy; // shape hotspot x & y
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uint32_t width; // width of the shape
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uint32_t height; // height of the shape
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uint32_t pitch; // row length in bytes of the shape
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}
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KVMFRCursor;
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typedef struct KVMFRFrame
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{
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uint32_t formatVer; // the frame format version number
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FrameType type; // the frame data type
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uint32_t width; // the width
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uint32_t height; // the height
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FrameRotation rotation; // the frame rotation
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uint32_t stride; // the row stride (zero if compressed data)
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uint32_t pitch; // the row pitch (stride in bytes or the compressed frame size)
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uint32_t offset; // offset from the start of this header to the FrameBuffer header
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uint32_t mouseScalePercent; // movement scale factor of the mouse (relates to DPI of display, 100 = no scale)
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bool blockScreensaver; // whether the guest has requested to block screensavers
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}
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KVMFRFrame;
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#endif
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