mirror of
https://github.com/oliverschmidt/contiki.git
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328 lines
7.0 KiB
C
328 lines
7.0 KiB
C
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/*
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* Copyright (c) 2002, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki VNC client.
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*
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* $Id: vnc-viewer.h,v 1.1 2006/06/17 23:08:35 adamdunkels Exp $
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*
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*/
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#ifndef __VNC_VIEWER_H__
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#define __VNC_VIEWER_H__
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struct vnc_viewer_state;
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/*typedef unsigned long u32_t;*/
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void vnc_viewer_init(void);
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void vnc_viewer_appcall(void *nullptr);
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void vnc_viewer_connect(u16_t *server, u8_t display);
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void vnc_viewer_close(void);
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/* Callback: redraws the VNC viewer bitmap area. */
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void vnc_viewer_refresh(void);
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#define VNC_POINTER_EVENT RFB_POINTER_EVENT
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#define VNC_KEY_EVENT RFB_KEY_EVENT
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#define VNC_UPDATERQ_EVENT 7
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#define VNC_VIEWER_POST_POINTER_EVENT(x, y, button) \
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vnc_viewer_post_event(VNC_POINTER_EVENT, button, x, y, 0)
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#define VNC_VIEWER_POST_KEY_EVENT(key) \
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vnc_viewer_post_event(VNC_KEY_EVENT, key, 0, 0, 0)
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#define VNC_VIEWER_POST_UPDATERQ_EVENT(x1,y1,x2,y2) \
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vnc_viewer_post_event(VNC_UPDATERQ_EVENT, x1, y1, x2, y2)
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void vnc_viewer_post_event(u8_t event,
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u16_t data1, u16_t data2,
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u16_t data3, u16_t data4);
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/* UIP_APPCALL: the name of the application function. This function
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must return void and take no arguments (i.e., C type "void
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appfunc(void)"). */
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#ifndef UIP_APPCALL
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#define UIP_APPCALL vnc_viewer_app
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#endif
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struct vnc_key_event {
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u8_t down;
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u16_t key;
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};
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struct vnc_pointer_event {
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u8_t buttonmask;
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u16_t x, y;
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};
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struct vnc_updaterq_event {
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u16_t x, y;
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u16_t w, h;
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};
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struct vnc_event {
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u8_t type;
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union {
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struct vnc_key_event key;
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struct vnc_pointer_event ptr;
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struct vnc_updaterq_event urq;
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} ev;
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};
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enum vnc_sendmsg {
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VNC_SEND_NONE,
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VNC_SEND_VERSION,
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VNC_SEND_AUTH,
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VNC_SEND_CINIT,
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VNC_SEND_PFMT,
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VNC_SEND_ENCODINGS,
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VNC_SEND_UPDATERQ,
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VNC_SEND_UPDATERQ_INC,
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VNC_SEND_EVENTS,
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};
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enum vnc_waitmsg {
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VNC_WAIT_NONE,
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VNC_WAIT_VERSION,
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VNC_WAIT_AUTH,
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VNC_WAIT_AUTH_RESPONSE,
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VNC_WAIT_SINIT,
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VNC_WAIT_UPDATE,
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VNC_WAIT_UPDATE_RECT,
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};
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enum vnc_rectstate {
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VNC_RECTSTATE_NONE,
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VNC_RECTSTATE_RAW,
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VNC_RECTSTATE_RRE,
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};
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struct vnc_viewer_state {
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u8_t close;
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u16_t w, h;
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u8_t sendmsg;
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u8_t waitmsg;
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u16_t rectsleft;
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u8_t rectstate;
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u32_t rectstateleft;
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u16_t rectstatex, rectstatey;
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u16_t rectstateh, rectstatew;
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u16_t rectstatex0, rectstatey0;
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u16_t rectstatex2, rectstatey2;
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u16_t eventptr_acked;
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u16_t eventptr_unacked;
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u16_t eventptr_next;
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#define VNC_EVENTQUEUE_SIZE 32
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struct vnc_event event_queue[VNC_EVENTQUEUE_SIZE];
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u16_t bufferleft;
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u16_t buffersize;
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#define VNC_BUFFERSIZE 64
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u8_t buffer[VNC_BUFFERSIZE];
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};
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extern struct vnc_viewer_state vnc_viewer_state;
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/* Definitions of the RFB (Remote Frame Buffer) protocol
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structures and constants. */
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#include "net/uipopt.h"
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/* Generic rectangle - x, y coordinates, width and height. */
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struct rfb_rect {
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u16_t x;
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u16_t y;
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u16_t w;
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u16_t h;
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};
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/* Pixel format definition. */
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struct rfb_pixel_format {
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u8_t bps; /* Bits per pixel: 8, 16 or 32. */
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u8_t depth; /* Color depth: 8-32 */
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u8_t endian; /* 1 - big endian (motorola), 0 - little endian
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(x86) */
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u8_t truecolor; /* 1 - true color is used, 0 - true color is not used. */
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/* The following fields are only used if true color is used. */
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u16_t red_max, green_max, blue_max;
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u8_t red_shift, green_shift, blue_shift;
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u8_t pad1;
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u16_t pad2;
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};
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/* RFB authentication constants. */
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#define RFB_AUTH_FAILED 0
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#define RFB_AUTH_NONE 1
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#define RFB_AUTH_VNC 2
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#define RFB_VNC_AUTH_OK 0
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#define RFB_VNC_AUTH_FAILED 1
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#define RFB_VNC_AUTH_TOOMANY 2
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/* RFB message types. */
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/* From server to client: */
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#define RFB_FB_UPDATE 0
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#define RFB_SET_COLORMAP_ENTRIES 1
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#define RFB_BELL 2
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#define RFB_SERVER_CUT_TEXT 3
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/* From client to server. */
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#define RFB_SET_PIXEL_FORMAT 0
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#define RFB_FIX_COLORMAP_ENTRIES 1
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#define RFB_SET_ENCODINGS 2
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#define RFB_FB_UPDATE_REQ 3
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#define RFB_KEY_EVENT 4
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#define RFB_POINTER_EVENT 5
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#define RFB_CLIENT_CUT_TEXT 6
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/* Encoding types. */
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#define RFB_ENC_RAW 0
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#define RFB_ENC_COPYRECT 1
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#define RFB_ENC_RRE 2
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#define RFB_ENC_CORRE 3
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#define RFB_ENC_HEXTILE 4
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/* Message definitions. */
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/* Server to client messages. */
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struct rfb_server_init {
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u16_t width;
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u16_t height;
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struct rfb_pixel_format format;
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u8_t namelength[4];
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/* Followed by name. */
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};
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struct rfb_fb_update {
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u8_t type;
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u8_t pad;
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u16_t rects; /* Number of rectanges (struct rfb_fb_update_rect_hdr +
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data) that follows. */
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};
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struct rfb_fb_update_rect_hdr {
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struct rfb_rect rect;
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u8_t encoding[4];
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};
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struct rfb_copy_rect {
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u16_t srcx;
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u16_t srcy;
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};
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struct rfb_rre_hdr {
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u16_t subrects[2]; /* Number of subrectangles (struct
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rfb_rre_subrect) to follow. */
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u8_t bgpixel;
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};
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struct rfb_rre_subrect {
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u8_t pixel;
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struct rfb_rect rect;
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};
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struct rfb_corre_rect {
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u8_t x;
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u8_t y;
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u8_t w;
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u8_t h;
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};
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/* Client to server messages. */
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struct rfb_set_pixel_format {
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u8_t type;
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u8_t pad;
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u16_t pad2;
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struct rfb_pixel_format format;
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};
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struct rfb_fix_colormap_entries {
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u8_t type;
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u8_t pad;
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u16_t firstcolor;
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u16_t colors;
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};
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struct rfb_set_encodings {
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u8_t type;
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u8_t pad;
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u16_t encodings;
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};
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struct rfb_fb_update_request {
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u8_t type;
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u8_t incremental;
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u16_t x;
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u16_t y;
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u16_t w;
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u16_t h;
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};
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struct rfb_key_event {
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u8_t type;
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u8_t down;
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u16_t pad;
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u8_t key[4];
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};
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#define RFB_BUTTON_MASK1 1
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#define RFB_BUTTON_MASK2 2
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#define RFB_BUTTON_MASK3 4
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struct rfb_pointer_event {
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u8_t type;
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u8_t buttonmask;
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u16_t x;
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u16_t y;
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};
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#endif /* __VNC_VIEWER_H__ */
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