Method invalidateBorderInParent

widget.go:440–463

()

}

func (wb *WidgetBase) invalidateBorderInParent() {
	if !wb.hasActiveGraphicsEffects() {
		return
	}

	if wb.parent != nil && wb.parent.Layout() != nil {
		b := wb.BoundsPixels().toRECT()
		s := int32(wb.parent.Layout().Spacing())

		hwnd := wb.parent.Handle()

		rc := win.RECT{Left: b.Left - s, Top: b.Top - s, Right: b.Left, Bottom: b.Bottom + s}
		win.InvalidateRect(hwnd, &rc, true)

		rc = win.RECT{Left: b.Right, Top: b.Top - s, Right: b.Right + s, Bottom: b.Bottom + s}
		win.InvalidateRect(hwnd, &rc, true)

		rc = win.RECT{Left: b.Left, Top: b.Top - s, Right: b.Right, Bottom: b.Top}
		win.InvalidateRect(hwnd, &rc, true)

		rc = win.RECT{Left: b.Left, Top: b.Bottom, Right: b.Right, Bottom: b.Bottom + s}
		win.InvalidateRect(hwnd, &rc, true)
	}
}

func (wb *WidgetBase) hasActiveGraphicsEffects() bool {
	if wb.graphicsEffects == nil {