Java Screen Full Size ensureOnScreen(Container container)

Description

ensure On Screen

License

Open Source License

Declaration

public static void ensureOnScreen(Container container) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2000-2003 The Software Conservancy as Trustee.
 * All rights reserved./*w w  w. ja  v  a  2  s . c om*/
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Nothing in this notice shall be deemed to grant any rights to trademarks,
 * copyrights, patents, trade secrets or any other intellectual property of the
 * licensor or any contributor except as expressly stated herein. No patent
 * license is granted separate from the Software, for code that you delete from
 * the Software, or for combinations of the Software with other software or
 * hardware.
 */

import java.awt.*;

public class Main {
    private static final int TASKBAR_HEIGHT = 30;
    private static Rectangle dirtyScreenSizeWithOutAdjustment;

    public static void ensureOnScreen(Container container) {
        if (container == null)
            return;
        Point containerTopLeftHandCorner = container.getLocation();
        Dimension containerSize = container.getSize();

        Rectangle screenSize = getDefaultScreenSizeWithoutAdjustment();

        int x = containerTopLeftHandCorner.x;
        if (x < 0)
            x = 0;
        if ((x + containerSize.width) > screenSize.width)
            x = screenSize.width - containerSize.width;

        int y = containerTopLeftHandCorner.y;
        if (y < 0)
            y = 0;
        if ((y + containerSize.height + TASKBAR_HEIGHT) > screenSize.height)
            y = screenSize.height - containerSize.height - TASKBAR_HEIGHT;

        container.setLocation(x, y);
    }

    public static Rectangle getDefaultScreenSizeWithoutAdjustment() {
        return getDefaultScreenSizeWithoutAdjustment(false);
    }

    public static Rectangle getDefaultScreenSizeWithoutAdjustment(boolean useDirty) {
        if (useDirty && dirtyScreenSizeWithOutAdjustment != null)
            return dirtyScreenSizeWithOutAdjustment;

        Rectangle totalBounds = new Rectangle(0, 0);

        GraphicsEnvironment graphicsEnvironment = GraphicsEnvironment.getLocalGraphicsEnvironment(); // to work with multiple screens
        GraphicsDevice[] screenDevices = graphicsEnvironment.getScreenDevices();
        for (GraphicsDevice screenDevice : screenDevices) {
            GraphicsConfiguration graphicsConfiguration = screenDevice.getDefaultConfiguration();
            Rectangle singleScreenBounds = graphicsConfiguration.getBounds();
            totalBounds.width += singleScreenBounds.width;
            totalBounds.height = Math.max(totalBounds.height, singleScreenBounds.height);
        }
        dirtyScreenSizeWithOutAdjustment = totalBounds;
        return totalBounds;
    }
}

Related

1. bringWindowToScreen(Window window)
2. centreInScreen(Container containee, int xOffSet, int yOffSet)
3. centrePositionOnScreen(Window window)
4. ensureWindowOnScreen(Window window)
5. factorScreenDimension(Window window, double widthFactor, double heightFactor)
6. fitInScreen(Component comp)
7. fitInScreen(Window o)