Metrologic Optimus R, Programming Manual

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84 "C" Programming Guide For Optimus S/R
Syntax void SetCursor (int cursor);
int cursor; /* state of cursor indication */
Example SetCursor (0); /* turn off the cursor indication */
Description This routine displays or hides the cursor on the LCD according to the value
specified. The value of the parameter
status
can be one of the following:
CURSOR_OFF (0) : Hide cursor (Off)
CURSOR_ON (1) : Display cursor (On)
Return None
See Also GetCursor
wherex
Purpose To get the x coordinate of the current cursor position.
Syntax int wherex (void);
Example x_position = wherex();
Description This routine retrieves the x coordinate of the current cursor position.
Return It returns the x coordinate.
See Also wherexy, wherey
wherexy
Purpose To get the x coordinate and y coordinate of the current cursor position.
Syntax void wherexy (int *column, int *row);
int *column; /* pointer to integer where x coordinate is stored */
int *row; /* pointer to integer where y coordinate is stored */
Example wherexy (&x_position, &y_position);
Description This routine copies the values of the x coordinate and y coordinate of the
current cursor position to the variables whose address is specified in the
arguments
column and row .
Return None
See Also
gotoxy, wherex, wherey
wherey
Purpose To get the y coordinate of the current cursor position.
Syntax int wherey (void);
Example y_position = wherey();