Metrologic Optimus R, Руководство по программированию

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Chapter 3 Terminal Specific Function Library 83
3.8.2 Cursor
A coordinate system is used for the cursor movement routines to determine the cursor
location. The coordinates given to the top left point is (0, 0), while those of the bottom right
point depend on the varying size of both screen and font.
Model Optimus S Optimus R
Top_Left (0, 0) (0, 0)
Bottom_Right (99, 63) (127, 63)
GetCursor
Purpose To get the current cursor status.
Syntax int GetCursor (void);
Example if (GetCursor() == 0) puts ("Cursor Off");
Description
This routine checks the cursor indication on the LCD, i.e. whether it is visible
(On) or not (Off).
Return If visible, it returns 1.
Otherwise, it returns 0.
See Also SetCursor
gotoxy
Purpose To move the cursor to a new position.
Syntax void gotoxy (int x_position, int y_position);
int x_position; /* x coordinate of the new cursor position desired */
int y_position; /* y coordinate of the new cursor position desired */
Example gotoxy (10, 0) /* move the cursor to the 11th column of the first line */
Description This routine moves the cursor to a new position whose coordinates are
specified in the argument
x_position and y_position .
Return None
See Also wherexy
SetCursor
Purpose To turn on/off the cursor indication on the LCD.