contiki/apps/vnc/vnc.c

237 lines
6.2 KiB
C

/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the Contiki VNC client
*
* $Id: vnc.c,v 1.2 2010/05/31 15:22:08 nifi Exp $
*
*/
#include <string.h>
#include "contiki.h"
/*#include "petsciiconv.h"*/
#include "net/uiplib.h"
#include "net/uip.h"
#include "ctk/ctk.h"
#include "ctk/ctk-mouse.h"
#include "net/resolv.h"
/*#include "telnet.h"*/
#include "vnc.h"
#include "vnc-draw.h"
#include "vnc-viewer.h"
#include "contiki-conf.h"
#include "sys/loader.h"
#if 1
#define PRINTF(x)
#else
#include <stdio.h>
#define PRINTF(x) printf x
#endif
#ifdef VNC_CONF_VIEWPORT_WIDTH
#define VNC_VIEWPORT_WIDTH VNC_CONF_VIEWPORT_WIDTH
#else
#define VNC_VIEWPORT_WIDTH 10
#endif
#ifdef VNC_CONF_VIEWPORT_HEIGHT
#define VNC_VIEWPORT_HEIGHT VNC_CONF_VIEWPORT_HEIGHT
#else
#define VNC_VIEWPORT_HEIGHT 10
#endif
#define HEIGHT (4 + VNC_VIEWPORT_HEIGHT/8)
/* Main window */
static struct ctk_window mainwindow;
static char host[20];
static struct ctk_textentry hosttextentry =
{CTK_TEXTENTRY(0, 0, 18, 1, host, 18)};
static char portentry[4];
static struct ctk_textentry porttextentry =
{CTK_TEXTENTRY(21, 0, 3, 1, portentry, 3)};
static struct ctk_button connectbutton =
{CTK_BUTTON(27, 0, 7, "Connect")};
/*static struct ctk_button disconnectbutton =
{CTK_BUTTON(25, 3, 10, "Disconnect")};*/
static struct ctk_separator sep1 =
{CTK_SEPARATOR(0, 1, 36)};
static struct ctk_bitmap vncbitmap =
{CTK_BITMAP(2, 2,
VNC_VIEWPORT_WIDTH / 8,
VNC_VIEWPORT_HEIGHT / 8,
vnc_draw_bitmap,
VNC_VIEWPORT_WIDTH,
VNC_VIEWPORT_HEIGHT)};
static struct ctk_button leftbutton =
{CTK_BUTTON(6, HEIGHT - 1, 4, "Left")};
static struct ctk_button upbutton =
{CTK_BUTTON(13, HEIGHT - 1, 2, "Up")};
static struct ctk_button downbutton =
{CTK_BUTTON(18, HEIGHT - 1, 4, "Down")};
static struct ctk_button rightbutton =
{CTK_BUTTON(25, HEIGHT - 1, 5, "Right")};
PROCESS(vnc_process, "VNC viewer");
/*-----------------------------------------------------------------------------------*/
static void
show(char *text)
{
}
/*-----------------------------------------------------------------------------------*/
static void
connect(void)
{
uip_ipaddr_t addr, *addrptr;
u16_t port;
char *cptr;
/* Find the first space character in host and put a zero there
to end the string. */
for(cptr = host; *cptr != ' ' && *cptr != 0; ++cptr);
*cptr = 0;
addrptr = &addr;
if(uiplib_ipaddrconv(host, &addr) == 0) {
addrptr = resolv_lookup(host);
if(addrptr == NULL) {
resolv_query(host);
show("Resolving host...");
return;
}
}
port = 0;
for(cptr = portentry; *cptr != ' ' && *cptr != 0; ++cptr) {
if(*cptr < '0' || *cptr > '9') {
show("Port number error");
return;
}
port = 10 * port + *cptr - '0';
}
vnc_viewer_connect(addrptr, port);
show("Connecting...");
}
/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(vnc_process, ev, data)
{
unsigned short x, y;
unsigned char xc, yc;
PROCESS_BEGIN();
ctk_window_new(&mainwindow, 36, HEIGHT, "VNC client");
ctk_window_move(&mainwindow, 0, 0);
CTK_WIDGET_ADD(&mainwindow, &hosttextentry);
CTK_WIDGET_FOCUS(&mainwindow, &hosttextentry);
CTK_WIDGET_ADD(&mainwindow, &porttextentry);
CTK_WIDGET_ADD(&mainwindow, &connectbutton);
CTK_WIDGET_ADD(&mainwindow, &sep1);
CTK_WIDGET_ADD(&mainwindow, &vncbitmap);
CTK_WIDGET_ADD(&mainwindow, &leftbutton);
CTK_WIDGET_ADD(&mainwindow, &upbutton);
CTK_WIDGET_ADD(&mainwindow, &downbutton);
CTK_WIDGET_ADD(&mainwindow, &rightbutton);
vnc_draw_init();
ctk_window_open(&mainwindow);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == ctk_signal_button_activate) {
if(data == (process_data_t)&connectbutton) {
connect();
}
} else if(ev == ctk_signal_window_close) {
process_exit(&vnc_process);
LOADER_UNLOAD();
} else if(ev == resolv_event_found) {
if(strcmp(data, host) == 0) {
if(resolv_lookup(host) != NULL) {
connect();
} else {
show("Host not found");
}
}
} else if(ev == ctk_signal_pointer_move) {
/* Check if pointer is within the VNC viewer area */
x = ctk_mouse_x();
y = ctk_mouse_y();
xc = ctk_mouse_xtoc(x);
yc = ctk_mouse_ytoc(y);
if(xc >= 2 && yc >= 2 &&
xc < 2 + VNC_VIEWPORT_WIDTH / 8 &&
yc < 2 + VNC_VIEWPORT_HEIGHT / 8) {
VNC_VIEWER_POST_POINTER_EVENT(x, y, 0);
}
} else if(ev == tcpip_event) {
vnc_viewer_appcall(data);
}
}
PROCESS_END();
}
/*-----------------------------------------------------------------------------------*/
void
vnc_viewer_refresh(void)
{
CTK_WIDGET_REDRAW(&vncbitmap);
}
/*-----------------------------------------------------------------------------------*/