Module java.desktop

Package javax.swing

Class SwingUtilities

java.lang.Object

javax.swing.SwingUtilities

All Implemented Interfaces:

SwingConstants

public class SwingUtilities
extends Object
implements SwingConstants

A collection of utility methods for Swing.

Since:

1.2

Field Summary

Fields declared in interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

Method Summary

Modifier and Type

Method

Description

static Rectangle

calculateInnerArea(JComponent c, Rectangle r)

Stores the position and size of the inner painting area of the specified component in r and returns r.

static Rectangle[]

computeDifference(Rectangle rectA, Rectangle rectB)

Convenience returning an array of rect representing the regions within rectA that do not overlap with rectB.

static Rectangle

computeIntersection(int x, int y, int width, int height, Rectangle dest)

Convenience to calculate the intersection of two rectangles without allocating a new rectangle.

static int

computeStringWidth(FontMetrics fm, String str)

Compute the width of the string using a font with the specified "metrics" (sizes).

static Rectangle

computeUnion(int x, int y, int width, int height, Rectangle dest)

Convenience method that calculates the union of two rectangles without allocating a new rectangle.

static MouseEvent

convertMouseEvent(Component source, MouseEvent sourceEvent, Component destination)

Returns a MouseEvent similar to sourceEvent except that its x and y members have been converted to destination's coordinate system.

static Point

convertPoint(Component source, int x, int y, Component destination)

Convert the point (x,y) in source coordinate system to destination coordinate system.

static Point

convertPoint(Component source, Point aPoint, Component destination)

Convert a aPoint in source coordinate system to destination coordinate system.

static void

convertPointFromScreen(Point p, Component c)

Convert a point from a screen coordinates to a component's coordinate system

static void

convertPointToScreen(Point p,