59 lines
1.8 KiB
Common Lisp
59 lines
1.8 KiB
Common Lisp
; File: MOUSE.LSP 12/29/85 Soft Warehouse, Inc.
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; Microsoft Mouse Interface Functions
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; This file requires that the Microsoft Mouse hardware and device driver
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; software be properly installed.
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; The functions automatically update the following global variables:
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; *MOUSE-ROW* the vertical mouse position
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; *MOUSE-COL* the horizontal mouse position
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; *LEFT-BUTTON* T if and only if left button pressed
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; *RIGHT-BUTTON* T if and only if right button pressed
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; *BUTTON-PRESSES* the number of button presses
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; *BUTTON-RELEASES* the number of button releases
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(DEFUN SHOW-MOUSE () ;Display mouse cursor
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(REGISTER 0 1)
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(INTERRUPT 51) )
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(DEFUN HIDE-MOUSE () ;Hide mouse cursor
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(REGISTER 0 2)
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(INTERRUPT 51) )
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(DEFUN POSITION-MOUSE (ROW COL) ;Current mouse position
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((AND (INTEGERP ROW) (INTEGERP COL))
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(REGISTER 0 4)
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(REGISTER 2 COL)
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(REGISTER 3 ROW)
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(INTERRUPT 51) )
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(REGISTER 0 3)
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(INTERRUPT 51)
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(SETQ *MOUSE-ROW* (REGISTER 3))
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(SETQ *MOUSE-COL* (REGISTER 2)) )
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(DEFUN STATUS-MOUSE () ;Current button status
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(REGISTER 0 3)
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(INTERRUPT 51)
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(SETQ *LEFT-BUTTON* (ODDP (REGISTER 1)))
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(SETQ *RIGHT-BUTTON* (ODDP (SHIFT (REGISTER 1) -1))) )
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(DEFUN BUTTON-PRESS (BUTTON) ;Mouse status at last button press
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(REGISTER 0 5)
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(SETQ *BUTTON-PRESSES* (BUTTON-INFO)) )
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(DEFUN BUTTON-RELEASE (BUTTON) ;Mouse status at last button release
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(REGISTER 0 6)
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(SETQ *BUTTON-RELEASES* (BUTTON-INFO)) )
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(DEFUN BUTTON-INFO ()
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(REGISTER 1 (IF (EQ BUTTON 'LEFT) 0 1))
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(INTERRUPT 51)
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(SETQ *LEFT-BUTTON* (ODDP (REGISTER 0)))
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(SETQ *RIGHT-BUTTON* (ODDP (SHIFT (REGISTER 0) -1)))
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(SETQ *MOUSE-ROW* (REGISTER 3))
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(SETQ *MOUSE-COL* (REGISTER 2))
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(REGISTER 1) )
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(RDS)
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