/* $NetBSD: action.c,v 1.2 2003/08/06 23:58:40 jmmv Exp $ */

/*
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Julio M. Merino Vidal.
*
* 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. The name authors may not be used to endorse or promote products
*    derived from this software without specific prior written
*    permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
*/

#include <sys/cdefs.h>

#ifndef lint
__RCSID("$NetBSD: action.c,v 1.2 2003/08/06 23:58:40 jmmv Exp $");
#endif /* not lint */

#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/tty.h>
#include <dev/wscons/wsconsio.h>

#include <err.h>
#include <stdio.h>
#include <stdlib.h>

#include "pathnames.h"
#include "wsmoused.h"

/* ---------------------------------------------------------------------- */

/*
* Public interface exported by the `action' mode.
*/

int  action_startup(struct mouse *m);
int  action_cleanup(void);
void action_wsmouse_event(struct wscons_event);

struct mode_bootstrap Action_Mode = {
       "action",
       action_startup,
       action_cleanup,
       action_wsmouse_event,
       NULL,
       NULL
};

/* ---------------------------------------------------------------------- */

/*
* Global variables.
*/

static int Initialized = 0;

/* ---------------------------------------------------------------------- */

/*
* Prototypes for functions private to this module.
*/

static void run_action(int, const char *);

/* ---------------------------------------------------------------------- */

/* Initializes the action mode.  Does nothing, aside from checking it is
* not initialized twice. */
/* ARGSUSED */
int
action_startup(struct mouse *m)
{

       if (Initialized) {
               log_warnx("action mode already initialized");
               return 1;
       }

       Initialized = 1;

       return 1;
}

/* ---------------------------------------------------------------------- */

/* Mode cleanup. */
int
action_cleanup(void)
{

       return 1;
}

/* ---------------------------------------------------------------------- */

/* Parses wsmouse events.  Only button events are picked. */
void
action_wsmouse_event(struct wscons_event evt)
{

       if (IS_BUTTON_EVENT(evt.type)) {
               switch (evt.type) {
               case WSCONS_EVENT_MOUSE_UP:
                       run_action(evt.value, "up");
                       break;

               case WSCONS_EVENT_MOUSE_DOWN:
                       run_action(evt.value, "down");
                       break;

               default:
                       log_warnx("unknown button event");
               }
       }
}

/* ---------------------------------------------------------------------- */

/* Executes a command.  `button' specifies the number of the button that
* was pressed or released.  `ud' contains the word `up' or `down', which
* specify the type of event received. */
static void
run_action(int button, const char *ud)
{
       char buf[20];
       const char *cmd;
       struct block *conf;

       (void)snprintf(buf, sizeof(buf), "button_%d_%s", button, ud);

       conf = config_get_mode("action");
       cmd = block_get_propval(conf, buf, NULL);
       if (cmd != NULL) {
               log_info("running command `%s'", cmd);
               system(cmd);
       }
}