hedgewars/uCursor.pas
author sheepluva
Sat, 03 Dec 2016 13:51:57 +0100
changeset 12104 c1d83fc8e894
parent 10017 de822cd3df3a
child 12664 545e1198e8b9
permissions -rw-r--r--
copyToXYFromRect: some tweaks
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unit uCursor;
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interface
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procedure init;
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procedure resetPosition;
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procedure updatePosition;
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procedure handlePositionUpdate(x, y: LongInt);
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implementation
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uses SDLh, uVariables;
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procedure init;
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begin
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    resetPosition();
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end;
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procedure resetPosition;
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begin
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    SDL_WarpMouse(cScreenWidth div 2, cScreenHeight div 2);
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end;
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procedure updatePosition;
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var x, y: LongInt;
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begin
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    SDL_GetMouseState(@x, @y);
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    if(x <> cScreenWidth div 2) or (y <> cScreenHeight div 2) then
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    begin
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        handlePositionUpdate(x - cScreenWidth div 2, y - cScreenHeight div 2);
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        if cHasFocus then
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            SDL_WarpMouse(cScreenWidth div 2, cScreenHeight div 2);
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    end
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end;
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procedure handlePositionUpdate(x, y: LongInt);
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begin
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    CursorPoint.X:= CursorPoint.X + x;
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    CursorPoint.Y:= CursorPoint.Y - y;
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end;
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end.