RowLayout can have its initial
+ * width and height specified by setting a RowData object
+ * into the control.
+ *
+ * The following code uses a RowData object to change the initial
+ * size of a Button in a Shell:
+ *
+ * Display display = new Display();
+ * Shell shell = new Shell(display);
+ * shell.setLayout(new RowLayout());
+ * Button button1 = new Button(shell, SWT.PUSH);
+ * button1.setText("Button 1");
+ * button1.setLayoutData(new RowData(50, 40));
+ *
+ *
+ * @see RowLayout
+ * @see Sample code and further information
+ */
+public final class RowData {
+ /**
+ * width specifies the desired width in points. This value
+ * is the wHint passed into Control.computeSize(int, int, boolean)
+ * to determine the preferred size of the control.
+ *
+ * The default value is SWT.DEFAULT.
+ *
+ * @see org.eclipse.swt.widgets.Control#computeSize(int, int, boolean)
+ */
+ public int width = SWT.DEFAULT;
+ /**
+ * height specifies the preferred height in points. This value
+ * is the hHint passed into Control.computeSize(int, int, boolean)
+ * to determine the preferred size of the control.
+ *
+ * The default value is SWT.DEFAULT.
+ *
+ * @see org.eclipse.swt.widgets.Control#computeSize(int, int, boolean)
+ */
+ public int height = SWT.DEFAULT;
+
+ /**
+ * exclude informs the layout to ignore this control when sizing
+ * and positioning controls. If this value is true,
+ * the size and position of the control will not be managed by the
+ * layout. If this value is false, the size and
+ * position of the control will be computed and assigned.
+ *
+ * The default value is false.
+ *
+ * @since 3.1
+ */
+ public boolean exclude = false;
+
+/**
+ * Constructs a new instance of RowData using
+ * default values.
+ */
+public RowData () {
+}
+
+/**
+ * Constructs a new instance of RowData according to the parameters.
+ * A value of SWT.DEFAULT indicates that no minimum width or
+ * no minimum height is specified.
+ *
+ * @param width a minimum width for the control
+ * @param height a minimum height for the control
+ */
+public RowData (int width, int height) {
+ this.width = width;
+ this.height = height;
+}
+
+/**
+ * Constructs a new instance of RowData according to the parameter.
+ * A value of SWT.DEFAULT indicates that no minimum width or
+ * no minimum height is specified.
+ *
+ * @param point a point whose x coordinate specifies a minimum width for the control
+ * and y coordinate specifies a minimum height for the control
+ */
+public RowData (Point point) {
+ this (point.x, point.y);
+}
+
+String getName () {
+ String string = getClass ().getName ();
+ int index = string.lastIndexOf ('.');
+ if (index == -1) return string;
+ return string.substring (index + 1, string.length ());
+}
+
+/**
+ * Returns a string containing a concise, human-readable
+ * description of the receiver.
+ *
+ * @return a string representation of the RowData object
+ */
+@Override
+public String toString () {
+ String string = getName ()+" {";
+ if (width != SWT.DEFAULT) string += "width="+width+" ";
+ if (height != SWT.DEFAULT) string += "height="+height+" ";
+ if (exclude) string += "exclude="+exclude+" ";
+ string = string.trim();
+ string += "}";
+ return string;
+}
+}