[Qt] new qt patches

[zeljko]

Attached:


TQtAbstractSlider
  TQtScrollBar
  TQtTrackBar

TQtPen
  CreatePenIndirect (winapi)
TQtRegion
  CreateRectRgn (winapi)

Added 2 new procs into TQtWidget class,
setWidth and setHeight.

Patch attached.

cheers
	zac

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