contiki/apps/vnc.c - contiki-1.x - Gitiles

 /*
  * 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 1.10 2004/09/12 07:32:05 adamdunkels Exp $
  *
  */

 #include <string.h>

 #include "contiki.h"

 #include "petsciiconv.h"
 #include "uiplib.h"
 #include "uip.h"
 #include "ctk.h"
 #include "ctk-mouse.h"
 #include "resolv.h"
 #include "telnet.h"
 #include "vnc.h"
 #include "vnc-draw.h"
 #include "vnc-viewer.h"
 #include "vnc-conf.h"

 #include "loader.h"

 #if 1
 #define PRINTF(x)
 #else
 #include <stdio.h>
 #define PRINTF(x) printf x
 #endif

 #define HEIGHT (4 + VNC_CONF_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_CONF_VIEWPORT_WIDTH / 8,
 	      VNC_CONF_VIEWPORT_HEIGHT / 8,
 	      vnc_draw_bitmap,
 	      VNC_CONF_VIEWPORT_WIDTH,
 	      VNC_CONF_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")};

 /*static DISPATCHER_SIGHANDLER(vnc_sighandler, s, data);
 static struct dispatcher_proc p =
   {DISPATCHER_PROC("VNC client", NULL, vnc_sighandler,
 		   vnc_viewer_app)};
 		   static ek_id_t id;*/
 EK_EVENTHANDLER(eventhandler, ev, data);
 EK_PROCESS(p, "VNC viewer", EK_PRIO_NORMAL,
 	   eventhandler, NULL, NULL);
 static ek_id_t id = EK_ID_NONE;

 /*-----------------------------------------------------------------------------------*/
 LOADER_INIT_FUNC(vnc_init, arg)
 {
   arg_free(arg);

   if(id == EK_ID_NONE) {
     id = ek_start(&p);
   }
 }
 /*-----------------------------------------------------------------------------------*/
 static void
 show(char *text)
 {

 }
 /*-----------------------------------------------------------------------------------*/
 static void
 connect(void)
 {
   u16_t addr[2], *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[0];
   if(uiplib_ipaddrconv(host, (unsigned char *)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...");

 }
 /*-----------------------------------------------------------------------------------*/
 EK_EVENTHANDLER(eventhandler, ev, data)
 {
   unsigned short x, y;
   unsigned char xc, yc;
   EK_EVENTHANDLER_ARGS(ev, data);

   if(ev == EK_EVENT_INIT) {
     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);

   } else if(ev == ctk_signal_button_activate) {
     if(data == (ek_data_t)&connectbutton) {
       connect();
     }
   } else if(ev == ctk_signal_window_close) {
     ek_exit();
     id = EK_ID_NONE;
     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_CONF_VIEWPORT_WIDTH / 8 &&
        yc < 2 + VNC_CONF_VIEWPORT_HEIGHT / 8) {

       VNC_VIEWER_POST_POINTER_EVENT(x, y, 0);
     }

   } else if(ev == tcpip_event) {
     vnc_viewer_appcall(data);
   }
 }
 /*-----------------------------------------------------------------------------------*/
 void
 vnc_viewer_refresh(void)
 {
   CTK_WIDGET_REDRAW(&vncbitmap);
 }
 /*-----------------------------------------------------------------------------------*/
	/*
	* 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 1.10 2004/09/12 07:32:05 adamdunkels Exp $
	*
	*/

	#include <string.h>

	#include "contiki.h"

	#include "petsciiconv.h"
	#include "uiplib.h"
	#include "uip.h"
	#include "ctk.h"
	#include "ctk-mouse.h"
	#include "resolv.h"
	#include "telnet.h"
	#include "vnc.h"
	#include "vnc-draw.h"
	#include "vnc-viewer.h"
	#include "vnc-conf.h"

	#include "loader.h"

	#if 1
	#define PRINTF(x)
	#else
	#include <stdio.h>
	#define PRINTF(x) printf x
	#endif

	#define HEIGHT (4 + VNC_CONF_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_CONF_VIEWPORT_WIDTH / 8,
	VNC_CONF_VIEWPORT_HEIGHT / 8,
	vnc_draw_bitmap,
	VNC_CONF_VIEWPORT_WIDTH,
	VNC_CONF_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")};

	/*static DISPATCHER_SIGHANDLER(vnc_sighandler, s, data);
	static struct dispatcher_proc p =
	{DISPATCHER_PROC("VNC client", NULL, vnc_sighandler,
	vnc_viewer_app)};
	static ek_id_t id;*/
	EK_EVENTHANDLER(eventhandler, ev, data);
	EK_PROCESS(p, "VNC viewer", EK_PRIO_NORMAL,
	eventhandler, NULL, NULL);
	static ek_id_t id = EK_ID_NONE;

	/-----------------------------------------------------------------------------------/
	LOADER_INIT_FUNC(vnc_init, arg)
	{
	arg_free(arg);

	if(id == EK_ID_NONE) {
	id = ek_start(&p);
	}
	}
	/-----------------------------------------------------------------------------------/
	static void
	show(char *text)
	{

	}
	/-----------------------------------------------------------------------------------/
	static void
	connect(void)
	{
	u16_t addr[2], *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[0];
	if(uiplib_ipaddrconv(host, (unsigned char *)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...");

	}
	/-----------------------------------------------------------------------------------/
	EK_EVENTHANDLER(eventhandler, ev, data)
	{
	unsigned short x, y;
	unsigned char xc, yc;
	EK_EVENTHANDLER_ARGS(ev, data);

	if(ev == EK_EVENT_INIT) {
	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);

	} else if(ev == ctk_signal_button_activate) {
	if(data == (ek_data_t)&connectbutton) {
	connect();
	}
	} else if(ev == ctk_signal_window_close) {
	ek_exit();
	id = EK_ID_NONE;
	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_CONF_VIEWPORT_WIDTH / 8 &&
	yc < 2 + VNC_CONF_VIEWPORT_HEIGHT / 8) {

	VNC_VIEWER_POST_POINTER_EVENT(x, y, 0);
	}

	} else if(ev == tcpip_event) {
	vnc_viewer_appcall(data);
	}
	}
	/-----------------------------------------------------------------------------------/
	void
	vnc_viewer_refresh(void)
	{
	CTK_WIDGET_REDRAW(&vncbitmap);
	}
	/-----------------------------------------------------------------------------------/