usr.sbin/wsmoused/action.c

   1 /* $NetBSD: action.c,v 1.1 2003/08/06 22:11:49 jmmv Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Julio M. Merino Vidal.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. The name authors may not be used to endorse or promote products
  16  *    derived from this software without specific prior written
  17  *    permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
  20  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  25  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33
  34 #ifndef lint
  35 __RCSID("$NetBSD: action.c,v 1.1 2003/08/06 22:11:49 jmmv Exp $");
  36 #endif /* not lint */
  37
  38 #include <sys/ioctl.h>
  39 #include <sys/time.h>
  40 #include <sys/types.h>
  41 #include <sys/tty.h>
  42 #include <dev/wscons/wsconsio.h>
  43
  44 #include <err.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47
  48 #include "pathnames.h"
  49 #include "wsmoused.h"
  50
  51 /* ---------------------------------------------------------------------- */
  52
  53 /*
  54  * Public interface exported by the `action' mode.
  55  */
  56
  57 int  action_startup(struct mouse *m);
  58 int  action_cleanup(void);
  59 void action_wsmouse_event(struct wscons_event);
  60
  61 struct mode_bootstrap Action_Mode = {
  62         "action",
  63         action_startup,
  64         action_cleanup,
  65         action_wsmouse_event,
  66         NULL,
  67         NULL
  68 };
  69
  70 /* ---------------------------------------------------------------------- */
  71
  72 /*
  73  * Global variables.
  74  */
  75
  76 static int Initialized = 0;
  77
  78 /* ---------------------------------------------------------------------- */
  79
  80 /*
  81  * Prototypes for functions private to this module.
  82  */
  83
  84 static void run_action(int, const char *);
  85
  86 /* ---------------------------------------------------------------------- */
  87
  88 /* Initializes the action mode.  Does nothing, aside from checking it is
  89  * not initialized twice. */
  90 /* ARGSUSED */
  91 int
  92 action_startup(struct mouse *m)
  93 {
  94
  95         if (Initialized) {
  96                 log_warnx("action mode already initialized");
  97                 return 1;
  98         }
  99
 100         Initialized = 1;
 101
 102         return 1;
 103 }
 104
 105 /* ---------------------------------------------------------------------- */
 106
 107 /* Mode cleanup. */
 108 int
 109 action_cleanup(void)
 110 {
 111
 112         return 1;
 113 }
 114
 115 /* ---------------------------------------------------------------------- */
 116
 117 /* Parses wsmouse events.  Only button events are picked. */
 118 void
 119 action_wsmouse_event(struct wscons_event evt)
 120 {
 121
 122         if (IS_BUTTON_EVENT(evt.type)) {
 123                 switch (evt.type) {
 124                 case WSCONS_EVENT_MOUSE_UP:
 125                         run_action(evt.value, "up");
 126                         break;
 127
 128                 case WSCONS_EVENT_MOUSE_DOWN:
 129                         run_action(evt.value, "down");
 130                         break;
 131
 132                 default:
 133                         log_warnx("unknown button event");
 134                 }
 135         }
 136 }
 137
 138 /* ---------------------------------------------------------------------- */
 139
 140 /* Executes a command.  `button' specifies the number of the button that
 141  * was pressed or released.  `ud' contains the word `up' or `down', which
 142  * specify the type of event received. */
 143 static void
 144 run_action(int button, const char *ud)
 145 {
 146         char buf[20];
 147         const char *cmd;
 148         struct block *conf;
 149
 150         (void)snprintf(buf, sizeof(buf), "button_%d_%s", button, ud);
 151
 152         conf = config_get_mode("action");
 153         cmd = block_get_propval(conf, buf, NULL);
 154         if (cmd != NULL) {
 155                 log_info("running command `%s'", cmd);
 156                 system(cmd);
 157         }
 158 }