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/* $Id: plugin_test.c,v 1.5 2005/05/08 04:32:45 reinelt Exp $
*
* Handy functions for testing displays and debugging code.
*
* Copyright (C) 2004 Andy Baxter.
*
* Based on sample plugin which is
* Copyright (C) 2003 Michael Reinelt <reinelt@eunet.at>
* Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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.
*
* LCD4Linux 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: plugin_test.c,v $
* Revision 1.5 2005/05/08 04:32:45 reinelt
* CodingStyle added and applied
*
* Revision 1.4 2005/01/18 06:30:23 reinelt
* added (C) to all copyright statements
*
* Revision 1.3 2004/06/26 12:05:00 reinelt
*
* uh-oh... the last CVS log message messed up things a lot...
*
* Revision 1.2 2004/06/26 09:27:21 reinelt
*
* added '-W' to CFLAGS
* changed all C++ comments to C ones
* cleaned up a lot of signed/unsigned mistakes
*
* Revision 1.1 2004/06/07 06:56:55 reinelt
*
* added test plugin from Andy Baxter
*
*/
int plugin_init_test(void);
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
#include "debug.h"
#include "plugin.h"
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif
/* used for testing bars - keeps values for a series of 10 bars,
* which are incremented and decremented between 0 and rmax by
* amount rdelta every time they are read. Starting value is rstart.
* rbar gives the number of the test bar.
*/
static void my_test_bar(RESULT * result, RESULT * rbar, RESULT * rmax, RESULT * rstart, RESULT * rdelta)
{
static double values[10] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
static double deltas[10];
int bar;
double max, delta, value;
max = R2N(rmax);
delta = R2N(rdelta);
/* the maths is just to stop double rounding errors and bad values. */
bar = ((int) floor(R2N(rbar) + 0.1)) % 10;
if (fabs(delta) > 0.1) {
/* don't move or init the bar if delta=0 (the widget is only browsing) */
if (values[bar] == -1) {
/* first time called. */
values[bar] = R2N(rstart);
deltas[bar] = delta;
};
values[bar] += deltas[bar];
};
if (values[bar] < 0 || values[bar] > max) {
/* turn around. */
deltas[bar] = -deltas[bar];
values[bar] += deltas[bar];
};
value = values[bar];
SetResult(&result, R_NUMBER, &value);
}
/* like above, but just switches a value between 1 and -1. Can use to test
* visibility of icons.
*/
static void my_test_onoff(RESULT * result, RESULT * arg1)
{
static int on[10] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
int i;
double val;
i = ((int) floor(R2N(arg1) + 0.1)) % 10;
on[i] = -on[i];
val = (double) on[i];
SetResult(&result, R_NUMBER, &val);
}
int plugin_init_test(void)
{
AddFunction("test::bar", 4, my_test_bar);
AddFunction("test::onoff", 1, my_test_onoff);
return 0;
}
void plugin_exit_test(void)
{
/* empty */
}
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