aboutsummaryrefslogtreecommitdiffstats
path: root/isdb-t/br-rs-BentoGoncalves
diff options
context:
space:
mode:
Diffstat (limited to 'isdb-t/br-rs-BentoGoncalves')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 09:40:11 +0000
89'>89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 
/* $Id: widget_gpo.c,v 1.1 2005/12/18 16:18:36 reinelt Exp $
 *
 * GPO widget handling
 *
 * Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * $Log: widget_gpo.c,v $
 * Revision 1.1  2005/12/18 16:18:36  reinelt
 * GPO's added again
 *
 */

/* 
 * exported functions:
 *
 * WIDGET_CLASS Widget_GPO
 *   the GPO widget
 *
 */


#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include "debug.h"
#include "cfg.h"
#include "evaluator.h"
#include "timer.h"
#include "widget.h"
#include "widget_gpo.h"

#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif


void widget_gpo_update(void *Self)
{
    WIDGET *W = (WIDGET *) Self;
    WIDGET_GPO *GPO = W->data;
    RESULT result = { 0, 0, 0, NULL };

    int val;

    /* evaluate expression */
    val = 0;
    if (GPO->tree != NULL) {
	Eval(GPO->tree, &result);
	val = R2N(&result);
	DelResult(&result);
    }
    GPO->num = W->row;
    GPO->val = val;

    /* finally, draw it! */
    if (W->class->draw)
	W->class->draw(W);

}


int widget_gpo_init(WIDGET * Self)
{
    char *section;
    WIDGET_GPO *GPO;

    /* prepare config section */
    /* strlen("Widget:")=7 */
    section = malloc(strlen(Self->name) + 8);
    strcpy(section, "Widget:");
    strcat(section, Self->name);

    GPO = malloc(sizeof(WIDGET_GPO));
    memset(GPO, 0, sizeof(WIDGET_GPO));

    /* get raw expression (we evaluate them ourselves) */
    GPO->expression = cfg_get_raw(section, "expression", NULL);

    /* sanity check */
    if (GPO->expression == NULL || *GPO->expression == '\0') {
	error("widget %s has no expression, using '0.0'", Self->name);
	GPO->expression = "0";
    }

    /* compile expression */
    Compile(GPO->expression, &GPO->tree);

    /* update interval (msec), default 1 sec */
    cfg_number(section, "update", 1000, 10, -1, &(GPO->update));

    free(section);
    Self->data = GPO;

    timer_add(widget_gpo_update, Self, GPO->update, 0);

    return 0;
}


int widget_gpo_quit(WIDGET * Self)
{
    if (Self) {
	if (Self->data) {
	    WIDGET_GPO *GPO = Self->data;
	    DelTree(GPO->tree);
	    free(Self->data);
	}
	Self->data = NULL;
    }
    return 0;
}



WIDGET_CLASS Widget_GPO = {
  name:"gpo",
  type:WIDGET_TYPE_GPO,
  init:widget_gpo_init,
  draw:NULL,
  quit:widget_gpo_quit,
};