2013-06-18 23:35

/* This creates a Main Window with a Group of 1 SPIN with the
 * REPORT flag set. Whenever the user changes the SPIN's value, RXMSG
 * returns, and we force the value of the SPIN to 129.
 */

ADDRESS null

/* Trap HALT and SYNTAX in any scripts we call which don't
 * trap HALT or SYNTAX themselves.
 */
OPTIONS 'TRAP'

/* Trap SYNTAX/ERROR/HAT, and ask for ERROR raising */
SIGNAL ON HALT
SIGNAL ON SYNTAX
SIGNAL ON ERROR
CALL RXERR('ERROR|DISPLAY')



/* =============== Create "Main Window" ================= */
/* First Group is SPIN */
rxtype.1 = 'SPIN'

/* Use of a control in this group causes RXMSG to return */
rxflags.1 = 'REPORT'

/* Label for control. No Groupbox */
rxlabel.1 = 'Force to 129:|'

/* Min/Max */
rxinfo.1 = '40 200'

/* initial value of spin */
rxval.1 = '64'

/* ControlsPerLine, X Position, Y Position, Width */
rxpos.1 = '1 8 8 70'

/* Default size and position */
rx = ''

/* NOCLOSE since we want to close the window ourselves. No
 * RESULT Flag, so the ESC and ENTER keys do nothing, and we
 * don't have to bother checking for those
 */
CALL RXCREATE('RX', 1, 'RXSET() VALUE -- SPIN', 'NOCLOSE')

DO FOREVER

/* Do user interaction */
CALL RXMSG()

/* Did user click upon the CLOSE BOX? If so, then exit */
IF rxid == '' THEN SIGNAL HALT

/* Since there is only 1 group and 1 control, we know that
 * it caused RXMSG to return. Force spin value to 129.
 */
CALL RXSET(, 'VALUE', 129, 1, 1)

END /* DO FOREVER */



/* ==================== Error Handling ====================== */
syntax:
    CALL RXSAY(CONDITION('D') || '0D0A0D0A'x || SOURCELINE(sigl),,'Error '||condition('E')||' at line '||sigl)

halt:
error:
    /* NOTE: CONDITION('D') fetches error message. CONDITION('E') fetches the
     * error number. SIGL is the line number where the error occurred.
     * Rexx Dialog has already displayed a message since we specified DISPLAY
     * option.
     */
    CALL RXMSG(,'END')
    EXIT

2013-06-18 23:35