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mouse.pas
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Pascal/Delphi Source File
|
1994-05-12
|
6KB
|
281 lines
unit Mouse;
interface
type CursorArray=array[1..256] of byte;
const UseMouse:Boolean=false;
MouseIsVisible:boolean=false;
FakeCursor:boolean=false;
StdCursor:cursorarray = (0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,
0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,
0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,
0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,
0,0,1,0,0,0,1,1,1,1,1,1,1,1,1,1,
0,1,1,0,0,0,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,0,0,0,1,1,1,1,1,1,1,1,1,
1,1,1,1,0,0,0,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
WaitCursor:cursorarray = (1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,
1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,
1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,
1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,
1,1,1,0,0,1,1,1,1,1,0,0,1,1,1,1,
1,1,1,1,0,0,1,1,1,0,0,1,1,1,1,1,
1,1,1,1,1,0,0,1,0,0,1,1,1,1,1,1,
1,1,1,1,1,1,0,1,0,1,1,1,1,1,1,1,
1,1,1,1,1,1,0,0,0,1,1,1,1,1,1,1,
1,1,1,1,1,0,0,1,0,0,1,1,1,1,1,1,
1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,
1,1,1,0,0,0,0,0,0,0,0,0,1,1,1,1,
1,1,1,0,0,0,0,1,0,0,0,0,1,1,1,1,
1,1,1,0,0,0,1,1,1,0,0,0,1,1,1,1,
1,1,1,0,0,1,1,1,1,1,0,0,1,1,1,1,
1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1);
Type PMouseCursorDef=^TMouseCursorDef;
TMouseCursorDef=record
XSize :word;
YSize :word;
Reserved :word;
ImageBuff:array[1..256] of byte;
end;
Procedure InitMouse;
Procedure DrawFakeCursor(x,y:word);
Procedure ShowMousePointer;
procedure HideMousePointer;
procedure SetPointerType(NewPointer:byte);
Procedure GetMouseCoords(var x,y,buttons:integer);
procedure SetMouseCoords(x,y:integer);
procedure SetMouseLimits(x0,y0,x1,y1:integer);
procedure ResetMouseLimits;
Procedure DoneMouse;
implementation
uses Dos,Graph,crt;
const MouseInt=$33;
type Ba=Array[1..1024] of byte;
var Regs:Registers;
OldX,OldY:word;
MouseBuff:pointer;
FakeCursorDef:TMouseCursorDef;
{initialize the mouse driver}
Procedure InitMouse;
var t:integer;
begin
regs.ax:=$0000;
intr(MouseInt,regs);
if regs.ax=$FFFF then
UseMouse:=TRUE
else
UseMouse:=FALSE;
if FakeCursor then begin
GetMem(MouseBuff,imagesize(1,1,17,17));
regs.ax:=$1A;
regs.bx:=500;
regs.cx:=500;
regs.dx:=50;
intr($33,regs);
FakeCursorDef.XSize:=15;
FakeCursorDef.YSize:=15;
SetMouseLimits(1,1,4952,3720);
for t:=1 to 256 do
if StdCursor[t] = 0 then
FakeCursorDef.ImageBuff[t]:=86
else
FakeCursorDef.ImageBuff[t]:=0;
end;
end;
Procedure DrawFakeCursor(x,y:word);
begin
if not UseMouse then
exit;
if MouseIsVisible and ((x <> OldX) or (y <> OldY)) then begin
if OldX > 623 then
OldX:=623;
PutImage(OldX,OldY,MouseBuff^,NormalPut);
GetImage(x,y,x+16,y+16,MouseBuff^);
SetColor(15);
PutImage(x,y,FakeCursorDef,xorPut);
{ line(x,y,x+5,y);
line(x,y,x,y+5);
line(x+5,y,x+5,y+5);
line(x,y+5,x+5,y+5);}
OldX:=x;
OldY:=y;
end;
end;
{show the pointer}
Procedure ShowMousePointer;
var x,y,b:integer;
begin
if not UseMouse then
exit;
if not FakeCursor then begin
regs.ax:=$0001;
intr(MouseInt,regs);
end
else begin
GetMouseCoOrds(x,y,b);
x:=x div 8;
y:=y div 8;
GetImage(x,y,x+16,y+16,MouseBuff^);
Oldx:=x;
Oldy:=y;
DrawFakeCursor(x,y);
end;
MouseIsVisible:=True;
end;
{hide the pointer}
procedure HideMousePointer;
begin
if not UseMouse then
exit;
if not FakeCursor then begin
regs.ax:=$0002;
intr(MouseInt,regs);
end
else
PutImage(OldX,OldY,MouseBuff^,NormalPut);
MouseIsVisible:=False;
end;
Procedure SetPointerType(NewPointer:byte);
var TempArry:cursorarray;
t:integer;
begin
if FakeCursor then begin
case NewPointer of
1:TempArry:=StdCursor;
2:TempArry:=WaitCursor;
else
TempArry:=StdCursor;
end;
for t:=1 to 256 do
if TempArry[t] = 0 then
FakeCursorDef.ImageBuff[t]:=5
else
FakeCursorDef.ImageBuff[t]:=0;
end;
end;
{read pointer coordinates}
Procedure GetMouseCoords(var x,y,buttons:integer);
begin
if not UseMouse then
exit;
regs.ax:=$0003;
intr(MouseInt,regs);
x:=regs.cx;
y:=regs.dx;
buttons:=regs.bx;
if FakeCursor then begin
x:=x div 8;
y:=y div 8;
end;
end;
{change pointer coordinates}
procedure SetMouseCoords(x,y:integer);
begin
if not UseMouse then
exit;
regs.ax:=$0004;
regs.cx:=x;
regs.dx:=y;
intr(MouseInt,regs);
end;
{set horizontal and vertical limits (constrain pointer in a box)}
procedure SetMouseLimits(x0,y0,x1,y1:integer);
begin
if not UseMouse then
exit;
regs.ax:=$0007;
regs.cx:=x0;
regs.dx:=x1;
intr(MouseInt,regs);
regs.ax:=$0008;
regs.cx:=y0;
regs.dx:=y1;
intr(MouseInt,regs);
end;
{reset horizontal and vertical limits}
procedure ResetMouseLimits;
begin
if not UseMouse then
exit;
regs.ax:=$0007;
regs.cx:=0;
regs.dx:=640;
intr(MouseInt,regs);
regs.ax:=$0008;
regs.cx:=0;
regs.dx:=480;
intr(MouseInt,regs);
end;
Procedure DoneMouse;
begin
if not UseMouse then
exit;
if FakeCursor then begin
ResetMouseLimits;
regs.ax:=$1A;
regs.bx:=1;
regs.cx:=1;
regs.dx:=9999;
intr($33,regs);
regs.ax:=15;
regs.cx:=8;
regs.dx:=16;
intr($33,regs);
Regs.ax:=0;
intr($33,Regs);
if MouseIsVisible then
HideMousePointer;
FreeMem(MouseBuff,imagesize(1,1,17,17));
end;
end;
end.