org.eclipse.swt.widgets.Monitor.java Source code

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Here is the source code for org.eclipse.swt.widgets.Monitor.java

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/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.widgets;

import org.eclipse.swt.graphics.*;

/**
 * Instances of this class are descriptions of monitors.
 *
 * @see Display
 * @see <a href="http://www.eclipse.org/swt/snippets/#monitor">Monitor snippets</a>
 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
 *
 * @since 3.0
 */
public final class Monitor {
    long handle;
    int x, y, width, height;
    int clientX, clientY, clientWidth, clientHeight;
    int zoom;

    /**
     * Prevents uninitialized instances from being created outside the package.
     */
    Monitor() {
    }

    /**
     * Compares the argument to the receiver, and returns true
     * if they represent the <em>same</em> object using a class
     * specific comparison.
     *
     * @param object the object to compare with this object
     * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
     *
     * @see #hashCode()
     */
    @Override
    public boolean equals(Object object) {
        if (object == this)
            return true;
        if (!(object instanceof Monitor))
            return false;
        Monitor monitor = (Monitor) object;
        return handle == monitor.handle;
    }

    /**
     * Returns a rectangle describing the receiver's size and location
     * relative to its device. Note that on multi-monitor systems the
     * origin can be negative.
     *
     * @return the receiver's bounding rectangle
     */
    public Rectangle getBounds() {
        return new Rectangle(x, y, width, height);
    }

    /**
     * Returns a rectangle which describes the area of the
     * receiver which is capable of displaying data.
     *
     * @return the client area
     */
    public Rectangle getClientArea() {
        return new Rectangle(clientX, clientY, clientWidth, clientHeight);
    }

    /**
     * Returns the zoom value for the monitor
     *
     * @return monitor's zoom value
     *
     * @since 3.107
     */
    public int getZoom() {
        return zoom;
    }

    void setBounds(Rectangle rect) {
        x = rect.x;
        y = rect.y;
        width = rect.width;
        height = rect.height;
    }

    void setClientArea(Rectangle rect) {
        clientX = rect.x;
        clientY = rect.y;
        clientWidth = rect.width;
        clientHeight = rect.height;
    }

    /**
     * Returns an integer hash code for the receiver. Any two
     * objects that return <code>true</code> when passed to
     * <code>equals</code> must return the same value for this
     * method.
     *
     * @return the receiver's hash
     *
     * @see #equals(Object)
     *
     */
    @Override
    public int hashCode() {
        return (int) /*64*/handle;
    }

}