#
# $Id: mouselab_2.dem,v 1.1 2006/07/10 19:49:54 sfeam Exp $
#
# Wait for keystroke in plot window
#
pause mouse key
#
# Add new printable character to label
#
if (31 < MOUSE_KEY && MOUSE_KEY < 127) \
    LABEL = LABEL.MOUSE_CHAR
#
# Add newline to label if input character was <cr>
#
if (MOUSE_KEY == 13) \
    LABEL = LABEL."\n"
#
# Delete previous character from label on <backspace> or <delete>
#
if (MOUSE_KEY == 8 || MOUSE_KEY == 127) \
    LABEL = LABEL[1:strlen(LABEL)-1]
#
# Allow arrow keys to tweak label position
# The GP_Up GP_Right GP_Down GP_Left (1008-1011) are defined in mousecmn.h
#
if (MOUSE_KEY == 1009) LABEL_Y = LABEL_Y + (GPVAL_Y_MAX-GPVAL_Y_MIN)/100.
if (MOUSE_KEY == 1010) LABEL_X = LABEL_X + (GPVAL_X_MAX-GPVAL_X_MIN)/100.
if (MOUSE_KEY == 1011) LABEL_Y = LABEL_Y - (GPVAL_Y_MAX-GPVAL_Y_MIN)/100.
if (MOUSE_KEY == 1008) LABEL_X = LABEL_X - (GPVAL_X_MAX-GPVAL_X_MIN)/100.
#
# Update label
#
set label LID LABEL at LABEL_X, LABEL_Y
replot
#
# DEBUG feedback 
#       print "<",MOUSE_KEY,">"
#
# Return to caller on <esc> or <tab>, otherwise loop
#
if (MOUSE_KEY != 27 && MOUSE_CHAR ne "	") reread