236 lines
6.2 KiB
C
236 lines
6.2 KiB
C
/*
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* Copyright (c) 2003, 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.c,v 1.1 2006/06/17 23:08:35 adamdunkels Exp $
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*
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*/
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#include <string.h>
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#include "contiki.h"
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/*#include "petsciiconv.h"*/
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#include "net/uiplib.h"
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#include "net/uip.h"
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#include "ctk/ctk.h"
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#include "ctk/ctk-mouse.h"
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#include "net/resolv.h"
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/*#include "telnet.h"*/
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#include "vnc.h"
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#include "vnc-draw.h"
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#include "vnc-viewer.h"
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#include "contiki-conf.h"
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#include "sys/loader.h"
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#if 1
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#define PRINTF(x)
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#else
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#include <stdio.h>
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#define PRINTF(x) printf x
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#endif
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#ifdef VNC_CONF_VIEWPORT_WIDTH
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#define VNC_VIEWPORT_WIDTH VNC_CONF_VIEWPORT_WIDTH
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#else
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#define VNC_VIEWPORT_WIDTH 10
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#endif
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#ifdef VNC_CONF_VIEWPORT_HEIGHT
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#define VNC_VIEWPORT_HEIGHT VNC_CONF_VIEWPORT_HEIGHT
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#else
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#define VNC_VIEWPORT_HEIGHT 10
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#endif
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#define HEIGHT (4 + VNC_VIEWPORT_HEIGHT/8)
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/* Main window */
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static struct ctk_window mainwindow;
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static char host[20];
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static struct ctk_textentry hosttextentry =
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{CTK_TEXTENTRY(0, 0, 18, 1, host, 18)};
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static char portentry[4];
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static struct ctk_textentry porttextentry =
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{CTK_TEXTENTRY(21, 0, 3, 1, portentry, 3)};
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static struct ctk_button connectbutton =
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{CTK_BUTTON(27, 0, 7, "Connect")};
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/*static struct ctk_button disconnectbutton =
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{CTK_BUTTON(25, 3, 10, "Disconnect")};*/
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static struct ctk_separator sep1 =
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{CTK_SEPARATOR(0, 1, 36)};
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static struct ctk_bitmap vncbitmap =
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{CTK_BITMAP(2, 2,
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VNC_VIEWPORT_WIDTH / 8,
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VNC_VIEWPORT_HEIGHT / 8,
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vnc_draw_bitmap,
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VNC_VIEWPORT_WIDTH,
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VNC_VIEWPORT_HEIGHT)};
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static struct ctk_button leftbutton =
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{CTK_BUTTON(6, HEIGHT - 1, 4, "Left")};
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static struct ctk_button upbutton =
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{CTK_BUTTON(13, HEIGHT - 1, 2, "Up")};
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static struct ctk_button downbutton =
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{CTK_BUTTON(18, HEIGHT - 1, 4, "Down")};
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static struct ctk_button rightbutton =
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{CTK_BUTTON(25, HEIGHT - 1, 5, "Right")};
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PROCESS(vnc_process, "VNC viewer");
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/*-----------------------------------------------------------------------------------*/
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static void
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show(char *text)
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{
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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connect(void)
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{
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u16_t addr[2], *addrptr;
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u16_t port;
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char *cptr;
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/* Find the first space character in host and put a zero there
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to end the string. */
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for(cptr = host; *cptr != ' ' && *cptr != 0; ++cptr);
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*cptr = 0;
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addrptr = &addr[0];
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if(uiplib_ipaddrconv(host, (unsigned char *)addr) == 0) {
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addrptr = resolv_lookup(host);
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if(addrptr == NULL) {
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resolv_query(host);
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show("Resolving host...");
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return;
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}
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}
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port = 0;
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for(cptr = portentry; *cptr != ' ' && *cptr != 0; ++cptr) {
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if(*cptr < '0' || *cptr > '9') {
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show("Port number error");
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return;
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}
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port = 10 * port + *cptr - '0';
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}
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vnc_viewer_connect(addrptr, port);
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show("Connecting...");
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}
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/*-----------------------------------------------------------------------------------*/
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PROCESS_THREAD(vnc_process, ev, data)
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{
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unsigned short x, y;
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unsigned char xc, yc;
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PROCESS_BEGIN();
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ctk_window_new(&mainwindow, 36, HEIGHT, "VNC client");
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ctk_window_move(&mainwindow, 0, 0);
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CTK_WIDGET_ADD(&mainwindow, &hosttextentry);
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CTK_WIDGET_FOCUS(&mainwindow, &hosttextentry);
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CTK_WIDGET_ADD(&mainwindow, &porttextentry);
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CTK_WIDGET_ADD(&mainwindow, &connectbutton);
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CTK_WIDGET_ADD(&mainwindow, &sep1);
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CTK_WIDGET_ADD(&mainwindow, &vncbitmap);
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CTK_WIDGET_ADD(&mainwindow, &leftbutton);
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CTK_WIDGET_ADD(&mainwindow, &upbutton);
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CTK_WIDGET_ADD(&mainwindow, &downbutton);
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CTK_WIDGET_ADD(&mainwindow, &rightbutton);
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vnc_draw_init();
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ctk_window_open(&mainwindow);
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == ctk_signal_button_activate) {
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if(data == (process_data_t)&connectbutton) {
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connect();
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}
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} else if(ev == ctk_signal_window_close) {
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process_exit(&vnc_process);
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LOADER_UNLOAD();
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} else if(ev == resolv_event_found) {
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if(strcmp(data, host) == 0) {
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if(resolv_lookup(host) != NULL) {
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connect();
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} else {
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show("Host not found");
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}
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}
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} else if(ev == ctk_signal_pointer_move) {
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/* Check if pointer is within the VNC viewer area */
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x = ctk_mouse_x();
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y = ctk_mouse_y();
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xc = ctk_mouse_xtoc(x);
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yc = ctk_mouse_ytoc(y);
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if(xc >= 2 && yc >= 2 &&
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xc < 2 + VNC_VIEWPORT_WIDTH / 8 &&
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yc < 2 + VNC_VIEWPORT_HEIGHT / 8) {
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VNC_VIEWER_POST_POINTER_EVENT(x, y, 0);
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}
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} else if(ev == tcpip_event) {
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vnc_viewer_appcall(data);
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}
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}
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PROCESS_END();
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}
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/*-----------------------------------------------------------------------------------*/
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void
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vnc_viewer_refresh(void)
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{
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CTK_WIDGET_REDRAW(&vncbitmap);
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}
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/*-----------------------------------------------------------------------------------*/
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