NetBSD/dist/cdk/examples/scale_ex.c

104 lines
2.1 KiB
C

#include <cdk.h>
#ifdef HAVE_XCURSES
char *XCursesProgramName="scale_ex";
#endif
/*
* This program demonstrates the Cdk scale widget.
*/
int main (int argc, char **argv)
{
/* Declare variables. */
CDKSCREEN *cdkscreen = 0;
CDKSCALE *scale = 0;
WINDOW *cursesWin = 0;
char *title = "<C>Select a value\n<R>scale\n<L>scale";
char *label = "</5>Current value";
int low = 0;
int high = 100;
int inc = 1;
char temp[256], *mesg[5];
int selection, ret;
/* Parse up the command line.*/
while (1)
{
ret = getopt (argc, argv, "l:h:i:");
/* Are there any more command line options to parse. */
if (ret == -1)
{
break;
}
switch (ret)
{
case 'l':
low = atoi (optarg);
break;
case 'h':
high = atoi (optarg);
break;
case 'i':
inc = atoi (optarg);
break;
}
}
/* Set up CDK. */
cursesWin = initscr();
cdkscreen = initCDKScreen (cursesWin);
/* Start CDK Colors. */
initCDKColor();
/* Create the scale. */
scale = newCDKScale (cdkscreen, CENTER, CENTER,
title, label, A_NORMAL,
4, low, low, high,
inc, (inc*2), TRUE, TRUE);
/* Is the scale null? */
if (scale == 0)
{
/* Exit CDK. */
destroyCDKScreen (cdkscreen);
endCDK();
/* Print out a message. */
printf ("Oops. Can't make the scale widget. Is the window too small?\n");
exit (1);
}
/* Activate the scale. */
selection = activateCDKScale (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, mesg, 3);
}
else if (scale->exitType == vNORMAL)
{
sprintf (temp, "<C>You selected %d", selection);
mesg[0] = copyChar (temp);
mesg[1] = "",
mesg[2] = "<C>Press any key to continue.";
popupLabel (cdkscreen, mesg, 3);
freeChar (mesg[0]);
}
/* Clean up. */
destroyCDKScale (scale);
destroyCDKScreen (cdkscreen);
delwin (cursesWin);
endCDK();
exit (0);
}