mirror of
https://github.com/jrk/QuickDraw.git
synced 2025-03-20 23:30:43 +00:00
123 lines
3.9 KiB
Plaintext
Executable File
123 lines
3.9 KiB
Plaintext
Executable File
.INCLUDE GRAFTYPES.TEXT
|
|
|
|
;------------------------------------------------------------------
|
|
;
|
|
; --> LCURSOR.TEXT
|
|
;
|
|
; Links to MacIntosh Cursor routines.
|
|
;
|
|
; System Graphic Jump Vectors:
|
|
;
|
|
; Long pointers to system routine entry points.
|
|
;
|
|
GRAFBEGIN .EQU $800 ;GRAF GLOBAL AREA
|
|
JHIDECURSOR .EQU GRAFBEGIN
|
|
JSHOWCURSOR .EQU JHIDECURSOR+4
|
|
JSHIELDCURSOR .EQU JSHOWCURSOR+4
|
|
JSCRNADDR .EQU JSHIELDCURSOR+4 ;not used (see _GetScrnBits)
|
|
JSCRNSIZE .EQU JSCRNADDR+4 ;not used (see _GetScrnBits)
|
|
JINITCRSR .EQU JSCRNSIZE+4
|
|
JSETCRSR .EQU JINITCRSR+4
|
|
JCRSROBSCURE .EQU JSETCRSR+4
|
|
|
|
|
|
|
|
|
|
.PROC InitCursor,0
|
|
.REF SetCursor
|
|
;----------------------------------------------------------
|
|
;
|
|
; PROCEDURE InitCursor;
|
|
;
|
|
MOVE.L GRAFGLOBALS(A5),A0 ;POINT TO QUICKDRAW GLOBALS
|
|
PEA ARROW(A0) ;PUSH ADDR OF ARROW
|
|
JSR SETCURSOR ;INSTALL ARROW CURSOR
|
|
MOVE.L JInitCrsr,A0 ;get lo mem pointer
|
|
JMP (A0) ;and call it
|
|
|
|
|
|
|
|
.PROC SetCursor,1
|
|
;---------------------------------------------------
|
|
;
|
|
; PROCEDURE SetCursor(crsr: Cursor);
|
|
;
|
|
MOVE.L 4(SP),A0 ;Point to Cursor
|
|
MOVE.L HOTSPOT+V(A0),-(SP) ;PUSH HOTX & HOTY
|
|
MOVE #16,-(SP) ;HEIGHT:=16
|
|
PEA DATA(A0) ;PUSH ADDR OF DATA
|
|
PEA MASK(A0) ;PUSH ADDR OF MASK
|
|
MOVE.L JSetCrsr,A0 ;get lo mem vector
|
|
JSR (A0) ;call vector
|
|
MOVE.L (SP)+,(SP) ;strip param
|
|
RTS ;and return
|
|
|
|
|
|
|
|
.PROC HideCursor,0
|
|
;---------------------------------------------------------
|
|
;
|
|
; PROCEDURE HideCursor;
|
|
;
|
|
; ALL REGS PRESERVED.
|
|
;
|
|
MOVE.L JHideCursor,-(SP) ;get lo mem vector
|
|
RTS ;and call it
|
|
|
|
|
|
|
|
.PROC ShowCursor,0
|
|
;---------------------------------------------------------
|
|
;
|
|
; PROCEDURE ShowCursor;
|
|
;
|
|
; ALL REGS PRESERVED.
|
|
;
|
|
MOVE.L JShowCursor,-(SP) ;get lo mem vector
|
|
RTS ;and call it
|
|
|
|
|
|
|
|
.PROC ShieldCursor,2
|
|
;---------------------------------------------------------
|
|
;
|
|
; PROCEDURE ShieldCursor(shieldRect: Rect; offset: Point);
|
|
;
|
|
; ALL REGS PRESERVED.
|
|
;
|
|
MOVEM.L D0-D3/A0-A1,-(SP) ;SAVE REGS
|
|
MOVE.L 32(SP),A0 ;POINT TO SHIELDRECT
|
|
MOVEM.W (A0)+,D0/D1/D2/D3 ;GET TOP ... RIGHT
|
|
LEA 28(SP),A1
|
|
SUB (A1),D0 ;TOP - OFFSET.V
|
|
SUB (A1)+,D2 ;BOTTOM - OFFSET.V
|
|
SUB (A1),D1 ;LEFT - OFFSET.H
|
|
SUB (A1),D3 ;RIGHT - OFFSET.H
|
|
MOVE D1,-(SP) ;PUSH GLOBAL LEFT
|
|
MOVE D0,-(SP) ;PUSH GLOBAL TOP
|
|
MOVE D3,-(SP) ;PUSH GLOBAL RIGHT
|
|
MOVE D2,-(SP) ;PUSH GLOBAL BOTTOM
|
|
MOVE.L JShieldCursor,A0 ;get lo mem vector
|
|
JSR (A0) ;and call it
|
|
MOVEM.L (SP)+,D0-D3/A0-A1 ;RESTORE REGS
|
|
MOVE.L (SP)+,(SP)
|
|
MOVE.L (SP)+,(SP) ;STRIP 8 BYTES
|
|
RTS ;AND RETURN
|
|
|
|
|
|
|
|
.PROC ObscureCursor,0
|
|
;---------------------------------------------------------
|
|
;
|
|
; PROCEDURE ObscureCursor;
|
|
;
|
|
; Hide the cursor image until the next time the mouse moves.
|
|
;
|
|
MOVE.L JCrsrObscure,A0 ;get lo mem vector
|
|
JMP (A0) ;and call it
|
|
|
|
|
|
|
|
|
|
.END
|