osd-contiki/apps/about/about.c

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/*
* Copyright (c) 2002, 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 desktop environment
*
* $Id: about.c,v 1.3 2008/02/07 16:28:11 oliverschmidt Exp $
*
*/
#include <string.h>
#include "contiki.h"
#include "ctk/ctk.h"
#include "lib/petsciiconv.h"
static struct ctk_window aboutdialog;
static struct ctk_label aboutlabel1 =
{CTK_LABEL(2, 0, 28, 1, "The Contiki Operating System")};
static struct ctk_label aboutlabel2 =
{CTK_LABEL(3, 2, 28, 1, "A modern, Internet-enabled")};
static struct ctk_label aboutlabel3 =
{CTK_LABEL(6, 3, 20, 1, "operating system and")};
static struct ctk_label aboutlabel4 =
{CTK_LABEL(6, 4, 20, 1, "desktop environment.")};
static char abouturl_petscii[] = "http://www.sics.se/~adam/contiki/";
static char abouturl_ascii[40];
static struct ctk_hyperlink abouturl =
{CTK_HYPERLINK(0, 6, 32, "http://www.sics.se/~adam/contiki/",
abouturl_ascii)};
static struct ctk_button aboutclose =
{CTK_BUTTON(12, 8, 5, "Close")};
PROCESS(about_process, "About Contiki");
#if SELFSTART_PROCESS
AUTOSTART_PROCESSES(&about_process);
#endif /* SELFSTART_PROCESS */
/*-----------------------------------------------------------------------------------*/
static void
about_quit(void)
{
ctk_dialog_close();
process_exit(&about_process);
LOADER_UNLOAD();
}
/*-----------------------------------------------------------------------------------*/
PROCESS_THREAD(about_process, ev, data)
{
unsigned char width;
PROCESS_BEGIN();
width = ctk_desktop_width(NULL);
strcpy(abouturl_ascii, abouturl_petscii);
petsciiconv_toascii(abouturl_ascii, sizeof(abouturl_ascii));
if(width > 34) {
ctk_dialog_new(&aboutdialog, 32, 9);
} else {
ctk_dialog_new(&aboutdialog, width - 2, 9);
}
CTK_WIDGET_ADD(&aboutdialog, &aboutlabel1);
CTK_WIDGET_ADD(&aboutdialog, &aboutlabel2);
CTK_WIDGET_ADD(&aboutdialog, &aboutlabel3);
CTK_WIDGET_ADD(&aboutdialog, &aboutlabel4);
if(width > 34) {
CTK_WIDGET_ADD(&aboutdialog, &abouturl);
CTK_WIDGET_SET_FLAG(&abouturl, CTK_WIDGET_FLAG_MONOSPACE);
} else {
CTK_WIDGET_SET_XPOS(&aboutlabel1, 0);
CTK_WIDGET_SET_XPOS(&aboutlabel2, 0);
CTK_WIDGET_SET_XPOS(&aboutlabel3, 0);
CTK_WIDGET_SET_XPOS(&aboutlabel4, 0);
CTK_WIDGET_SET_XPOS(&aboutclose, 0);
}
CTK_WIDGET_ADD(&aboutdialog, &aboutclose);
CTK_WIDGET_FOCUS(&aboutdialog, &aboutclose);
ctk_dialog_open(&aboutdialog);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == PROCESS_EVENT_EXIT) {
about_quit();
PROCESS_EXIT();
} else if(ev == ctk_signal_button_activate) {
if(data == (process_data_t)&aboutclose) {
about_quit();
PROCESS_EXIT();
}
} else if(ev == ctk_signal_hyperlink_activate) {
if((struct ctk_widget *)data == (struct ctk_widget *)&abouturl) {
about_quit();
PROCESS_EXIT();
}
}
}
PROCESS_END();
}
/*-----------------------------------------------------------------------------------*/