/** * Returns the distance from the point to the nearest edge of the given * rectangle. Returns negative values if the point lies outside the rectangle. * * @param boundary rectangle to test * @param toTest point to test * @return the distance between the given point and the nearest edge of the rectangle. * Returns positive values for points inside the rectangle and negative values for points * outside the rectangle. * @since 1.0 */ public static int getDistanceFrom(Rectangle boundary, Point toTest) { int side = getClosestSide(boundary, toTest); return getDistanceFromEdge(boundary, toTest, side); }
/** * Returns the distance from the point to the nearest edge of the given * rectangle. Returns negative values if the point lies outside the rectangle. * * @param boundary rectangle to test * @param toTest point to test * @return the distance between the given point and the nearest edge of the rectangle. * Returns positive values for points inside the rectangle and negative values for points * outside the rectangle. * @since 3.1 */ public static int getDistanceFrom(Rectangle boundary, Point toTest) { int side = getClosestSide(boundary, toTest); return getDistanceFromEdge(boundary, toTest, side); }
/** * Returns the distance from the point to the nearest edge of the given * rectangle. Returns negative values if the point lies outside the rectangle. * * @param boundary rectangle to test * @param toTest point to test * @return the distance between the given point and the nearest edge of the rectangle. * Returns positive values for points inside the rectangle and negative values for points * outside the rectangle. * @since 3.1 */ public static int getDistanceFrom(Rectangle boundary, Point toTest) { int side = getClosestSide(boundary, toTest); return getDistanceFromEdge(boundary, toTest, side); }
/** * Returns the relative position of the given point (in display coordinates) * with respect to the given control. Returns one of SWT.LEFT, SWT.RIGHT, SWT.CENTER, SWT.TOP, * or SWT.BOTTOM if the point is on the control or SWT.DEFAULT if the point is not on the control. * * @param control control to perform hit detection on * @param toTest point to test, in display coordinates * @return */ public static int getRelativePosition(Control c, Point toTest) { Point p = c.toControl(toTest); Point e = c.getSize(); if (p.x > e.x || p.y > e.y || p.x < 0 || p.y < 0) { return SWT.DEFAULT; } // first determine whether mouse position is in center of part int hmargin = Math.min(e.x / 3, MARGIN); int vmargin = Math.min(e.y / 3, MARGIN); Rectangle inner = new Rectangle(hmargin, vmargin, e.x - (hmargin * 2), e.y - (vmargin * 2)); if (inner.contains(p)) { return SWT.CENTER; } return Geometry.getClosestSide(inner, p); }