apps/about/about.c

   1 /*
   2  * Copyright (c) 2002, Adam Dunkels.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above
  11  *    copyright notice, this list of conditions and the following
  12  *    disclaimer in the documentation and/or other materials provided
  13  *    with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote
  15  *    products derived from this software without specific prior
  16  *    written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  24  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * This file is part of the Contiki desktop environment
  31  *
  32  * $Id: about.c,v 1.4 2008/02/08 22:48:28 oliverschmidt Exp $
  33  *
  34  */
  35
  36 #include <string.h>
  37
  38 #include "contiki.h"
  39 #include "ctk/ctk.h"
  40 #include "lib/petsciiconv.h"
  41
  42 static struct ctk_window aboutdialog;
  43 static struct ctk_label aboutlabel1 =
  44   {CTK_LABEL(2, 0, 28, 1, "The Contiki Operating System")};
  45 static struct ctk_label aboutlabel2 =
  46   {CTK_LABEL(3, 2, 28, 1, "A modern, Internet-enabled")};
  47 static struct ctk_label aboutlabel3 =
  48   {CTK_LABEL(6, 3, 20, 1, "operating system and")};
  49 static struct ctk_label aboutlabel4 =
  50   {CTK_LABEL(6, 4, 20, 1, "desktop environment.")};
  51
  52 static char abouturl_petscii[] = "http://www.sics.se/~adam/contiki/";
  53 static char abouturl_ascii[40];
  54 static struct ctk_hyperlink abouturl =
  55   {CTK_HYPERLINK(0, 6, 32, "http://www.sics.se/~adam/contiki/",
  56                  abouturl_ascii)};
  57 static struct ctk_button aboutclose =
  58   {CTK_BUTTON(12, 8, 5, "Close")};
  59
  60
  61 PROCESS(about_process, "About Contiki");
  62
  63 AUTOSTART_PROCESSES(&about_process);
  64
  65 /*-----------------------------------------------------------------------------------*/
  66 static void
  67 about_quit(void)
  68 {
  69   ctk_dialog_close();
  70   process_exit(&about_process);
  71   LOADER_UNLOAD();
  72 }
  73 /*-----------------------------------------------------------------------------------*/
  74 PROCESS_THREAD(about_process, ev, data)
  75 {
  76   unsigned char width;
  77
  78   PROCESS_BEGIN();
  79
  80   width = ctk_desktop_width(NULL);
  81
  82   strcpy(abouturl_ascii, abouturl_petscii);
  83   petsciiconv_toascii(abouturl_ascii, sizeof(abouturl_ascii));
  84
  85   if(width > 34) {
  86     ctk_dialog_new(&aboutdialog, 32, 9);
  87   } else {
  88     ctk_dialog_new(&aboutdialog, width - 2, 9);
  89   }
  90   CTK_WIDGET_ADD(&aboutdialog, &aboutlabel1);
  91   CTK_WIDGET_ADD(&aboutdialog, &aboutlabel2);
  92   CTK_WIDGET_ADD(&aboutdialog, &aboutlabel3);
  93   CTK_WIDGET_ADD(&aboutdialog, &aboutlabel4);
  94   if(width > 34) {
  95     CTK_WIDGET_ADD(&aboutdialog, &abouturl);
  96     CTK_WIDGET_SET_FLAG(&abouturl, CTK_WIDGET_FLAG_MONOSPACE);
  97   } else {
  98     CTK_WIDGET_SET_XPOS(&aboutlabel1, 0);
  99     CTK_WIDGET_SET_XPOS(&aboutlabel2, 0);
 100     CTK_WIDGET_SET_XPOS(&aboutlabel3, 0);
 101     CTK_WIDGET_SET_XPOS(&aboutlabel4, 0);
 102
 103     CTK_WIDGET_SET_XPOS(&aboutclose, 0);
 104   }
 105   CTK_WIDGET_ADD(&aboutdialog, &aboutclose);
 106   CTK_WIDGET_FOCUS(&aboutdialog, &aboutclose);
 107
 108   ctk_dialog_open(&aboutdialog);
 109
 110   while(1) {
 111     PROCESS_WAIT_EVENT();
 112     if(ev == PROCESS_EVENT_EXIT) {
 113       about_quit();
 114       PROCESS_EXIT();
 115     } else if(ev == ctk_signal_button_activate) {
 116       if(data == (process_data_t)&aboutclose) {
 117         about_quit();
 118         PROCESS_EXIT();
 119       }
 120     } else if(ev == ctk_signal_hyperlink_activate) {
 121       if((struct ctk_widget *)data == (struct ctk_widget *)&abouturl) {
 122         about_quit();
 123         PROCESS_EXIT();
 124       }
 125     }
 126   }
 127
 128   PROCESS_END();
 129 }
 130 /*-----------------------------------------------------------------------------------*/