hedgewars/uCursor.pas
author Mitchell Kember <mk12360@gmail.com>
Fri, 30 Nov 2012 20:00:53 -0500
changeset 8175 2c233349df21
parent 6580 6155187bf599
child 8026 4a4f21070479
child 8222 d3dc08500fc0
permissions -rw-r--r--
Google Code-in: Center help text field Modifies the grid layout slightly so that the help text which appears when hovering over certain elements is centered with respect to the window, even when there are more buttons on one side. https://google-melange.appspot.com/gci/task/view/google/gci2012/7968226
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unit uCursor;
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interface
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procedure init;
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procedure updatePosition;
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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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    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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        CursorPoint.X:= CursorPoint.X + x - cScreenWidth div 2;
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        CursorPoint.Y:= CursorPoint.Y - 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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end.