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/* $Id: fscale_ex.c,v 1.9 2016/12/04 15:22:16 tom Exp $ */
#include <cdk_test.h>
#ifdef HAVE_XCURSES
char *XCursesProgramName = "fscale_ex";
#endif
static float myFloatParam (CDK_PARAMS * params, int code, double missing)
{
char *opt = CDKparamString (params, code);
double result = missing;
if (opt != 0)
result = atof (opt);
return (float)result;
}
/*
* This program demonstrates the Cdk scale widget.
*/
int main (int argc, char **argv)
{
/* *INDENT-EQLS* */
CDKSCREEN *cdkscreen = 0;
CDKFSCALE *scale = 0;
const char *title = "<C>Select a value";
const char *label = "</5>Current value";
char temp[256];
const char *mesg[5];
float selection;
CDK_PARAMS params;
float high;
float inc;
float low;
/* *INDENT-EQLS* */
CDKparseParams (argc, argv, ¶ms, "h:i:l:w:" CDK_MIN_PARAMS);
high = myFloatParam (¶ms, 'h', 2.4);
inc = myFloatParam (¶ms, 'i', 0.2);
low = myFloatParam (¶ms, 'l', -1.2);
cdkscreen = initCDKScreen (NULL);
/* Start CDK Colors. */
initCDKColor ();
/* Create the scale. */
scale = newCDKFScale (cdkscreen,
CDKparamValue (¶ms, 'X', CENTER),
CDKparamValue (¶ms, 'Y', CENTER),
title, label, A_NORMAL,
CDKparamNumber2 (¶ms, 'w', 10),
low, low, high,
inc, (inc * (float)2.), 1,
CDKparamValue (¶ms, 'N', TRUE),
CDKparamValue (¶ms, 'S', FALSE));
/* Is the scale null? */
if (scale == 0)
{
/* Exit CDK. */
destroyCDKScreen (cdkscreen);
endCDK ();
printf ("Can't make the scale widget. Is the window too small?\n");
ExitProgram (EXIT_FAILURE);
}
/* Activate the scale. */
selection = activateCDKFScale (scale, 0);
/* Check the exit value of the scale widget. */
if (scale->exitType == vESCAPE_HIT)
{
mesg[0] = "<C>You hit escape. No value selected.";
mesg[1] = "";
mesg[2] = "<C>Press any key to continue.";
popupLabel (cdkscreen, (CDK_CSTRING2) mesg, 3);
}
else if (scale->exitType == vNORMAL)
{
sprintf (temp, "<C>You selected %f", selection);
mesg[0] = temp;
mesg[1] = "";
mesg[2] = "<C>Press any key to continue.";
popupLabel (cdkscreen, (CDK_CSTRING2) mesg, 3);
}
/* Clean up. */
destroyCDKFScale (scale);
destroyCDKScreen (cdkscreen);
endCDK ();
ExitProgram (EXIT_SUCCESS);
}
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