有没有一种方法可以使窗口在Java中重新调整大小？

Question

我正在为程序创建一个自定义窗口，我似乎无法弄清楚如何添加可恢复性。 我想出了可移动性，但似乎似乎无法获得更多的可恢复性，任何帮助都将是惊人的！先感谢您。我试图创建一个比标准JFrame具有更高可定制性的GUI库。 有没有办法让我的窗口在Java中可调整大小？

/** *Code Updated*
* NOTE the frame is meant to be called from another class where the 
* contents will be added (buttons, etc.).
*/

package krypto.desktop.guiWindow;

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

@SuppressWarnings("unused")
public class KFrame extends JFrame {

private static final long serialVersionUID = 1L;

private static JButton button = null;
private static JCheckBox checkBox = null;
private static JCheckBoxMenuItem checkBoxMenuItem = null;
private static JColorChooser colorChooser = null;
private static JComponent component = null;
private static JDesktopPane desktopPane = null;
private static JDialog dialog = null;
private static JEditorPane editorPane = null;
private static JFileChooser fileChooser = null;
private static JFormattedTextField formattedTextField = null;
private static JInternalFrame internalFrame = null;
private static JLabel label = null;
private static JLayeredPane layeredPane = null;
private static JMenu menu = null;
private static JMenuBar menuBar = null;
private static JMenuItem menuItem = null;
private static JOptionPane optionPane = null;
private static JPanel panel = null;
private static JPasswordField passwordField = null;
private static JPopupMenu popupMenu = null;
private static JProgressBar progressBar = null;
private static JRadioButton radioButton = null;
private static JRadioButtonMenuItem radioButtonMenuItem = null;
private static JRootPane rootPane = null;
private static JScrollBar scrollBar = null;
private static JScrollPane scrollPane = null;
private static JSeparator separator = null;
private static JSlider slider = null;
private static JSpinner spinner = null;
private static JSplitPane splitPane = null;
private static JTabbedPane tabbedPane = null;
private static JTable table = null;
private static JTextArea textArea = null;
private static JTextField textField = null;
private static JTextPane textPane = null;
private static JToggleButton toggleButton = null;
private static JToolBar toolBar = null;
private static JToolTip toolTip = null;
private static JTree tree = null;
private static JViewport viewport = null;
private static JWindow window = null;

private static boolean frameMovable = true;
private static boolean frameVisible = true;
private static boolean frameCenter = false;
private static boolean frameResizeable = true;
private static boolean exitMessage = false;

private static int frameSizeWidth = 400;
private static int frameSizeHeight = 300;
private static int frameMaxSizeWidth = 400;
private static int frameMaxSizeHeight = 300;
private static int frameMinSizeWidth = 400;
private static int frameMinSizeHeight = 300;
private static int frameLocationX = 50;
private static int frameLocationY = 50;

private static String minimizeIcon = "⎼";
private static String maximizeIcon = "▢";
private static String exitIcon = "X";

private static Color minimizeColor = Color.WHITE;
private static Color maximizeColor = Color.WHITE;
private static Color exitColor = Color.RED;
private static Color frameBackgroundColor = Color.DARK_GRAY;

private final javax.swing.JFrame frame = new JFrame();

public KFrame() {
    JButton buttonMinimize = createButtonMinimize();
    JButton buttonMaximize = createButtonMaximize();
    JButton buttonExit = createButtonExit();

    //if (frameCenter = true) {
    //TODO add Center to Screen
    //}

    //Exit Button
    buttonExit.addActionListener(e -> {
        if (exitMessage = false) {
            System.exit(0);
        } else if (exitMessage = true) {
            int confirm = javax.swing.JOptionPane.showOptionDialog(frame,
                    "Are You Sure to Close Application?", "Exit Confirmation",
                    javax.swing.JOptionPane.YES_NO_OPTION, javax.swing.JOptionPane.QUESTION_MESSAGE,
                    null, null, null);
            if (confirm == javax.swing.JOptionPane.YES_OPTION) {
                System.exit(0);
            }
        }
    });

    //Window Maximize/Normalize
    buttonMaximize.addActionListener(e -> {
        if (frame.getExtendedState() == JFrame.NORMAL) {
            frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
        } else {
            frame.setExtendedState(JFrame.NORMAL);
        }

    });

    //Minimize
    buttonMinimize.addActionListener(e -> frame.setState(Frame.ICONIFIED));

    javax.swing.JLabel buttonPanel = new JLabel();
    buttonPanel.setLayout(new GridLayout(0, 3, 5, 0));
    buttonPanel.setPreferredSize(new Dimension(160, 25));
    buttonPanel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    buttonPanel.add(buttonMinimize);
    buttonPanel.add(buttonMaximize);
    buttonPanel.add(buttonExit);

    GradientPanel titlePanel = new GradientPanel(Color.DARK_GRAY);
    if (frameMovable = true) {
        FrameDragListener frameDragListener = new FrameDragListener(frame);
        titlePanel.addMouseListener(frameDragListener);
        titlePanel.addMouseMotionListener(frameDragListener);
    }
    titlePanel.setLayout(new BorderLayout());
    titlePanel.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
    titlePanel.add(new JLabel(BorderLayout.WEST));
    titlePanel.add(new JLabel(), BorderLayout.CENTER);
    titlePanel.setBorder(BorderFactory.createLineBorder(Color.DARK_GRAY));
    titlePanel.add(buttonPanel, BorderLayout.EAST);

    javax.swing.JPanel contentPanel = new JPanel();

    contentPanel.setBackground(frameBackgroundColor);

    try {
        contentPanel.add(button);
        contentPanel.add(checkBox);
        contentPanel.add(checkBoxMenuItem);
        contentPanel.add(colorChooser);
        contentPanel.add(component);
        contentPanel.add(desktopPane);
        contentPanel.add(dialog);
        contentPanel.add(editorPane);
        contentPanel.add(fileChooser);
        contentPanel.add(formattedTextField);
        contentPanel.add(internalFrame);
        contentPanel.add(label);
        contentPanel.add(layeredPane);
        contentPanel.add(menu);
        contentPanel.add(menuBar);
        contentPanel.add(menuItem);
        contentPanel.add(optionPane);
        contentPanel.add(panel);
        contentPanel.add(passwordField);
        contentPanel.add(popupMenu);
        contentPanel.add(progressBar);
        contentPanel.add(radioButton);
        contentPanel.add(radioButtonMenuItem);
        contentPanel.add(scrollBar);
        contentPanel.add(scrollPane);
        contentPanel.add(separator);
        contentPanel.add(slider);
        contentPanel.add(spinner);
        contentPanel.add(splitPane);
        contentPanel.add(tabbedPane);
        contentPanel.add(table);
        contentPanel.add(textArea);
        contentPanel.add(textField);
        contentPanel.add(textPane);
        contentPanel.add(toggleButton);
        contentPanel.add(toolBar);
        contentPanel.add(toolTip);
        contentPanel.add(tree);
        contentPanel.add(viewport);
        contentPanel.add(window);
    } catch (Exception ignored) {
    }

    javax.swing.JPanel fatherPanel = new JPanel();
    fatherPanel.setLayout(new BorderLayout());
    fatherPanel.add(titlePanel, BorderLayout.NORTH);
    fatherPanel.add(contentPanel, BorderLayout.CENTER);

    frame.setPreferredSize(new Dimension(frameSizeWidth, frameSizeHeight));
    frame.setMaximumSize(new Dimension(frameMaxSizeWidth, frameMaxSizeHeight));
    frame.setMinimumSize(new Dimension(frameMinSizeWidth, frameMinSizeHeight));
    frame.setUndecorated(true);

    //if (frameResizeable = true) {
    //
    //}

    frame.add(fatherPanel);
    frame.setLocation(frameLocationX, frameLocationY);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
    frame.setVisible(frameVisible);
}

public static Color getMinimizeColor() {
    return minimizeColor;
}

public static void setMinimizeColor(Color minimizeColor) {
    KFrame.minimizeColor = minimizeColor;
}

public static Color getMaximizeColor() {
    return maximizeColor;
}

public static void setMaximizeColor(Color maximizeColor) {
    KFrame.maximizeColor = maximizeColor;
}

public static Color getExitColor() {
    return exitColor;
}

public static void setExitColor(Color exitColor) {
    KFrame.exitColor = exitColor;
}

public static int getFrameSizeWidth() {
    return frameSizeWidth;
}

public static void setFrameSizeWidth(int frameSizeWidth) {
    KFrame.frameSizeWidth = frameSizeWidth;
}

public static int getFrameSizeHeight() {
    return frameSizeHeight;
}

public static void setFrameSizeHeight(int frameSizeHeight) {
    KFrame.frameSizeHeight = frameSizeHeight;
}

public static boolean isFrameCenter() {
    return frameCenter;
}

public static void setFrameCenter(boolean frameCenter) {
    KFrame.frameCenter = frameCenter;
}

public static int getFrameLocationX() {
    return frameLocationX;
}

public static void setFrameLocationX(int frameLocationX) {
    KFrame.frameLocationX = frameLocationX;
}

public static int getFrameLocationY() {
    return frameLocationY;
}

public static void setFrameLocationY(int frameLocationY) {
    KFrame.frameLocationY = frameLocationY;
}

public static boolean isFrameResizeable() {
    return frameResizeable;
}

public static void setFrameResizeable(boolean frameResizeable) {
    KFrame.frameResizeable = frameResizeable;
}

public static boolean isFrameMovable() {
    return frameMovable;
}

public static void setFrameMovable(boolean frameMovable) {
    KFrame.frameMovable = frameMovable;
}

public static boolean isFrameVisible() {
    return frameVisible;
}

public static void setFrameVisible(boolean frameVisible) {
    KFrame.frameVisible = frameVisible;
}

public static Color getFrameBackgroundColor() {
    return frameBackgroundColor;
}

public static void setFrameBackgroundColor(Color frameBackgroundColor) {
    KFrame.frameBackgroundColor = frameBackgroundColor;
}

public static void JCheckBox(javax.swing.JCheckBox JCheckBox) {
    KFrame.checkBox = JCheckBox;
}

public static void JCheckBoxMenuItem(javax.swing.JCheckBoxMenuItem JCheckBoxMenuItem) {
    KFrame.checkBoxMenuItem = JCheckBoxMenuItem;
}

public static void JColorChooser(javax.swing.JColorChooser JColorChooser) {
    KFrame.colorChooser = JColorChooser;
}

public static void JComponent(javax.swing.JComponent JComponent) {
    KFrame.component = JComponent;
}

public static void JDesktopPane(javax.swing.JDesktopPane JDesktopPane) {
    KFrame.desktopPane = JDesktopPane;
}

public static void JDialog(javax.swing.JDialog JDialog) {
    KFrame.dialog = JDialog;
}

public static void JEditorPane(javax.swing.JEditorPane JEditorPane) {
    KFrame.editorPane = JEditorPane;
}

public static void JFileChooser(javax.swing.JFileChooser JFileChooser) {
    KFrame.fileChooser = JFileChooser;
}

public static void JFormattedTextField(javax.swing.JFormattedTextField JFormattedTextField) {
    KFrame.formattedTextField = JFormattedTextField;
}

public static void JInternalFrame(javax.swing.JInternalFrame JInternalFrame) {
    KFrame.internalFrame = JInternalFrame;
}

public static void JLabel(javax.swing.JLabel JLabel) {
    KFrame.label = JLabel;
}

public static void JLayeredPane(javax.swing.JLayeredPane JLayeredPane) {
    KFrame.layeredPane = JLayeredPane;
}

public static void JMenu(javax.swing.JMenu JMenu) {
    KFrame.menu = JMenu;
}

public static void JMenuBar(javax.swing.JMenuBar JMenuBar) {
    KFrame.menuBar = JMenuBar;
}

public static void JMenuItem(javax.swing.JMenuItem JMenuItem) {
    KFrame.menuItem = JMenuItem;
}

public static void JOptionPane(javax.swing.JOptionPane JOptionPane) {
    KFrame.optionPane = JOptionPane;
}

public static void JPanel(javax.swing.JPanel JPanel) {
    KFrame.panel = JPanel;
}

public static void JPasswordField(javax.swing.JPasswordField JPasswordField) {
    KFrame.passwordField = JPasswordField;
}

public static void JPopupMenu(javax.swing.JPopupMenu JPopupMenu) {
    KFrame.popupMenu = JPopupMenu;
}

public static void JProgressBar(javax.swing.JProgressBar JProgressBar) {
    KFrame.progressBar = JProgressBar;
}

public static void JRadioButton(javax.swing.JRadioButton JRadioButton) {
    KFrame.radioButton = JRadioButton;
}

public static void JRadioButtonMenuItem(javax.swing.JRadioButtonMenuItem JRadioButtonMenuItem) {
    KFrame.radioButtonMenuItem = JRadioButtonMenuItem;
}

public static void JRootPane(javax.swing.JRootPane JRootPane) {
    KFrame.rootPane = JRootPane;
}

public static void JScrollBar(javax.swing.JScrollBar JScrollBar) {
    KFrame.scrollBar = JScrollBar;
}

public static void JScrollPane(javax.swing.JScrollPane JScrollPane) {
    KFrame.scrollPane = JScrollPane;
}

public static void JSeparator(javax.swing.JSeparator JSeparator) {
    KFrame.separator = JSeparator;
}

public static void JSlider(javax.swing.JSlider JSlider) {
    KFrame.slider = JSlider;
}

public static void JSpinner(javax.swing.JSpinner JSpinner) {
    KFrame.spinner = JSpinner;
}

public static void JSplitPane(javax.swing.JSplitPane JSplitPane) {
    KFrame.splitPane = JSplitPane;
}

public static void JTabbedPane(javax.swing.JTabbedPane JTabbedPane) {
    KFrame.tabbedPane = JTabbedPane;
}

public static void JTable(javax.swing.JTable JTable) {
    KFrame.table = JTable;
}

public static void JTextArea(javax.swing.JTextArea JTextArea) {
    KFrame.textArea = JTextArea;
}

public static void JTextField(javax.swing.JTextField JTextField) {
    KFrame.textField = JTextField;
}

public static void JTextPane(javax.swing.JTextPane JTextPane) {
    KFrame.textPane = JTextPane;
}

public static void JToggleButton(javax.swing.JToggleButton JToggleButton) {
    KFrame.toggleButton = JToggleButton;
}

public static void JToolBar(javax.swing.JToolBar JToolBar) {
    KFrame.toolBar = JToolBar;
}

public static void JToolTip(javax.swing.JToolTip JToolTip) {
    KFrame.toolTip = JToolTip;
}

public static void JTree(javax.swing.JTree JTree) {
    KFrame.tree = JTree;
}

public static void JViewport(javax.swing.JViewport JViewport) {
    KFrame.viewport = JViewport;
}

public static void JWindow(javax.swing.JWindow JWindow) {
    KFrame.window = JWindow;
}

public static long getSerialVersionUID() {
    return serialVersionUID;
}

public static boolean isExitMessage() {
    return exitMessage;
}

public static void setExitMessage(boolean exitMessage) {
    KFrame.exitMessage = exitMessage;
}

public static int getFrameMaxSizeWidth() {
    return frameMaxSizeWidth;
}

public static void setFrameMaxSizeWidth(int frameMaxSizeWidth) {
    KFrame.frameMaxSizeWidth = frameMaxSizeWidth;
}

public static int getFrameMaxSizeHeight() {
    return frameMaxSizeHeight;
}

public static void setFrameMaxSizeHeight(int frameMaxSizeHeight) {
    KFrame.frameMaxSizeHeight = frameMaxSizeHeight;
}

public static int getFrameMinSizeWidth() {
    return frameMinSizeWidth;
}

public static void setFrameMinSizeWidth(int frameMinSizeWidth) {
    KFrame.frameMinSizeWidth = frameMinSizeWidth;
}

public static int getFrameMinSizeHeight() {
    return frameMinSizeHeight;
}

public static void setFrameMinSizeHeight(int frameMinSizeHeight) {
    KFrame.frameMinSizeHeight = frameMinSizeHeight;
}

public void JButton(javax.swing.JButton JButton) {
    KFrame.button = JButton;
}

@SuppressWarnings("DuplicatedCode")
private javax.swing.JButton createButtonMinimize() {
    javax.swing.JButton button = new JButton(minimizeIcon);
    button.setForeground(minimizeColor);
    button.setBorderPainted(false);
    button.setBorder(null);
    button.setFocusable(false);
    button.setMargin(new Insets(0, 0, 0, 0));
    button.setContentAreaFilled(false);
    return button;
}

@SuppressWarnings("DuplicatedCode")
private javax.swing.JButton createButtonMaximize() {
    javax.swing.JButton button = new JButton(maximizeIcon);
    button.setForeground(maximizeColor);
    button.setBorderPainted(false);
    button.setBorder(null);
    button.setFocusable(false);
    button.setMargin(new Insets(0, 0, 0, 0));
    button.setContentAreaFilled(false);
    return button;
}

@SuppressWarnings("DuplicatedCode")
private javax.swing.JButton createButtonExit() {
    javax.swing.JButton button = new JButton(exitIcon);
    button.setForeground(exitColor);
    button.setBorderPainted(false);
    button.setBorder(null);
    button.setFocusable(false);
    button.setMargin(new Insets(0, 0, 0, 0));
    button.setContentAreaFilled(false);
    return button;
}

public String getMinimizeIcon() {
    return minimizeIcon;
}

public static void setMinimizeIcon(String minimizeIcon) {
    KFrame.minimizeIcon = minimizeIcon;
}

public String getMaximizeIcon() {
    return maximizeIcon;
}

public static void setMaximizeIcon(String maximizeIcon) {
    KFrame.maximizeIcon = maximizeIcon;
}

public String getExitIcon() {
    return exitIcon;
}

public static void setExitIcon(String exitIcon) {
    KFrame.exitIcon = exitIcon;
}

private static class GradientPanel extends JPanel {

    private static final long serialVersionUID = 1L;

    public GradientPanel(Color background) {
        setBackground(background);
    }

    //Gradient Support
    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        if (isOpaque()) {
            Color background = new Color(49, 46, 46);
            Color controlColor = new Color(49, 46, 46);
            int width = getWidth();
            int height = getHeight();
            Graphics2D g2 = (Graphics2D) g;
            Paint oldPaint = g2.getPaint();
            g2.setPaint(new GradientPaint(0, 0, background, width, 0, controlColor));
            g2.fillRect(0, 0, width, height);
            g2.setPaint(oldPaint);
        }
    }
}

public static class FrameDragListener extends MouseAdapter {

    private final JFrame frame;
    private Point mouseDownCompCoords = null;

    public FrameDragListener(JFrame frame) {
        this.frame = frame;
    }

    public void mouseReleased(MouseEvent e) {
        mouseDownCompCoords = null;
    }

    public void mousePressed(MouseEvent e) {
        assert e != null;
        mouseDownCompCoords = e.getPoint();
    }

    public void mouseDragged(MouseEvent e) {
        assert e != null;
        Point currCoords = e.getLocationOnScreen();
        frame.setLocation(currCoords.x - mouseDownCompCoords.x, currCoords.y - mouseDownCompCoords.y);
    }
}
}