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GMOUSCUR.INC
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1987-12-13
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{ GMOUSCUR.INC is an include file that defines several graphics }
{ mouse cursor patterns. All are typed constants. }
{ This file also contains an event handler called by the mouse }
{ device driver, and a global event record variable 'theEvents' }
{ ----------------------------------------------------------------- }
{$F+} { Force the including program to use far calls }
TYPE eventRec = record { mouse event record }
flag, button, col, row : WORD;
END;
gCursPtr = ^gCurs; { pointer to cursor image }
gCurs = ARRAY [1..32] OF WORD; { cursor image array }
gCursRec = record { graphics cursor descriptor }
image : gCursPtr;
hotX, hotY : WORD;
END;
{ Check mark image }
CONST checkIm : gCurs = ($FFF0, $FFE0, $FFC0, $FF81, { screen mask }
$FF03, $0607, $000F, $001F,
$C03F, $F07F, $FFFF, $FFFF,
$FFFF, $FFFF, $FFFF, $FFFF,
$0000, $0006, $000C, $0018, { cursor mask }
$0030, $0060, $70C0, $1D80,
$0700, $0000, $0000, $0000,
$0000, $0000, $0000, $0000);
{ Left arrow image }
LArrIm : gCurs = ($FE1F, $F01F, $0000, $0000, { screen mask }
$0000, $F01F, $FE1F, $FFFF,
$FFFF, $FFFF, $FFFF, $FFFF,
$FFFF, $FFFF, $FFFF, $FFFF,
$0000, $00C0, $07C0, $7FFE, { cursor mask }
$07C0, $00C0, $0000, $0000,
$0000, $0000, $0000, $0000,
$0000, $0000, $0000, $0000);
{ Cross image }
crossIm : gCurs = ($FC3F, $FC3F, $FC3F, $0000, { screen mask }
$0000, $0000, $FC3F, $FC3F,
$FC3F, $FFFF, $FFFF, $FFFF,
$FFFF, $FFFF, $FFFF, $FFFF,
$0000, $0180, $0180, $0180, { cursor mask }
$7FFE, $0180, $0180, $0180,
$0000, $0000, $0000, $0000,
$0000, $0000, $0000, $0000);
{ Pointing hand image }
handIm : gCurs = ($E1FF, $E1FF, $E1FF, $E1FF, { screen mask }
$E1FF, $E000, $E000, $E000,
$0000, $0000, $0000, $0000,
$0000, $0000, $0000, $0000,
$1E00, $1200, $1200, $1200, { cursor mask }
$1200, $13FF, $1249, $1249,
$1249, $9001, $9001, $9001,
$8001, $8001, $8001, $FFFF);
{ I-beam image }
iBeamIm : gCurs = ($FFFF, $FFFF, $FFFF, $FFFF, { screen mask }
$FFFF, $FFFF, $FFFF, $FFFF,
$FFFF, $FFFF, $FFFF, $FFFF,
$FFFF, $FFFF, $FFFF, $FFFF,
$F00F, $0C30, $0240, $0240, { cursor mask }
$0180, $0180, $0180, $0180,
$0180, $0180, $0180, $0180,
$0240, $0240, $0C30, $F00F);
{ Graphics cursors }
check : gCursRec = (image : nil; hotX : 6; hotY : 7);
arrow : gCursRec = (image : nil; hotX : 0; hotY : 3);
cross : gCursRec = (image : nil; hotX : 7; hotY : 4);
hand : gCursRec = (image : nil; hotX : 5; hotY : 0);
iBeam : gCursRec = (image : nil; hotX : 7; hotY : 7);
{ ----------------------------------------------------------------- }
VAR theEvents : eventRec; { global variable }
PROCEDURE EventHandler
(Flags, CS, AX, BX, CX, DX, SI, DI, DS, ES, BP : WORD);
{ Mouse event handler called by device driver }
INTERRUPT;
Begin
theEvents.flag := AX;
theEvents.button := BX;
theEvents.col := CX;
theEvents.row := DX;
inline ( { Exit processing for far return to device driver }
$8B/$E5/ { MOV SP,BP }
$5D/ { POP BP }
$07/ { POP ES }
$1F/ { POP DS }
$5F/ { POP DI }
$5E/ { POP SI }
$5A/ { POP DX }
$59/ { POP CX }
$5B/ { POP BX }
$58/ { POP AX }
$CB ); { RETF }
END;
{ --------------------------- }
PROCEDURE InitGCurs;
{ Initialize pointers in graphics cursor descriptors }
{ Pointers can only be initialized at run time }
BEGIN
check.image := @checkIm;
arrow.image := @LArrIm;
cross.image := @crossIm;
hand.image := @handIm;
iBeam.image := @iBeamIm;
END;
{ End of gmouscur.inc }