hedgewars/uCursor.pas
author nemo
Wed, 29 Feb 2012 18:30:37 -0500
changeset 6755 788bb2e0db21
parent 6580 6155187bf599
child 8026 4a4f21070479
child 8222 d3dc08500fc0
permissions -rw-r--r--
Someone might find this useful. Plan to link to it from the wiki.

unit uCursor;

interface

procedure init;
procedure updatePosition;

implementation

uses SDLh, uVariables;

procedure init;
begin
    SDL_WarpMouse(cScreenWidth div 2, cScreenHeight div 2);
end;

procedure updatePosition;
var x, y: LongInt;
begin
    SDL_GetMouseState(@x, @y);

    if(x <> cScreenWidth div 2) or (y <> cScreenHeight div 2) then
        begin
        CursorPoint.X:= CursorPoint.X + x - cScreenWidth div 2;
        CursorPoint.Y:= CursorPoint.Y - y + cScreenHeight div 2;

        if cHasFocus then
            SDL_WarpMouse(cScreenWidth div 2, cScreenHeight div 2);
        end
end;

end.