alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Java example source code file (MotifBorders.java)

This example Java source code file (MotifBorders.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractborder, abstractbutton, awt, border, border_size, buttonborder, color, corner_size, graphics, groove_height, gui, insets, jmenubar, jpopupmenu, plaf, rectangle, swing, text_spacing, uiresource

The MotifBorders.java Java example source code

/*
 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.java.swing.plaf.motif;

import sun.swing.SwingUtilities2;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;

/**
 * Factory object that can vend Icons appropriate for the basic L & F.
 * <p>
 * <strong>Warning:
 * Serialized objects of this class will not be compatible with
 * future Swing releases.  The current serialization support is appropriate
 * for short term storage or RMI between applications running the same
 * version of Swing.  A future release of Swing will provide support for
 * long term persistence.
 *
 * @author Amy Fowler
 */
public class MotifBorders {

    public static class BevelBorder extends AbstractBorder implements UIResource {
        private Color darkShadow = UIManager.getColor("controlShadow");
        private Color lightShadow = UIManager.getColor("controlLtHighlight");
        private boolean isRaised;

        public BevelBorder(boolean isRaised, Color darkShadow, Color lightShadow) {
            this.isRaised = isRaised;
            this.darkShadow = darkShadow;
            this.lightShadow = lightShadow;
        }

        public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
            g.setColor((isRaised) ? lightShadow : darkShadow);
            g.drawLine(x, y, x+w-1, y);           // top
            g.drawLine(x, y+h-1, x, y+1);         // left

            g.setColor((isRaised) ? darkShadow : lightShadow);
            g.drawLine(x+1, y+h-1, x+w-1, y+h-1); // bottom
            g.drawLine(x+w-1, y+h-1, x+w-1, y+1); // right
        }

        public Insets getBorderInsets(Component c, Insets insets) {
            insets.set(1, 1, 1, 1);
            return insets;
        }

        public boolean isOpaque(Component c) {
            return true;
        }

    }


    public static class FocusBorder extends AbstractBorder implements UIResource {
        private Color focus;
        private Color control;

        public FocusBorder(Color control, Color focus) {
            this.control = control;
            this.focus = focus;
        }

        public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
            if (c.hasFocus()) {
                g.setColor(focus);
                g.drawRect(x, y, w-1, h-1);
            } else {
                g.setColor(control);
                g.drawRect(x, y, w-1, h-1);
            }
        }

        public Insets getBorderInsets(Component c, Insets insets) {
            insets.set(1, 1, 1, 1);
            return insets;
        }
    }


    public static class ButtonBorder extends AbstractBorder implements UIResource {
        protected Color focus = UIManager.getColor("activeCaptionBorder");
        protected Color shadow = UIManager.getColor("Button.shadow");
        protected Color highlight = UIManager.getColor("Button.light");
        protected Color darkShadow;

        public ButtonBorder(Color shadow, Color highlight, Color darkShadow, Color focus) {
            this.shadow = shadow;
            this.highlight = highlight;
            this.darkShadow = darkShadow;
            this.focus = focus;
        }

        public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
            boolean isPressed = false;
            boolean hasFocus = false;
            boolean canBeDefault = false;
            boolean isDefault = false;

            if (c instanceof AbstractButton) {
                AbstractButton b = (AbstractButton)c;
                ButtonModel model = b.getModel();

                isPressed = (model.isArmed() && model.isPressed());
                hasFocus = (model.isArmed() && isPressed) ||
                           (b.isFocusPainted() && b.hasFocus());
                if (b instanceof JButton) {
                    canBeDefault = ((JButton)b).isDefaultCapable();
                    isDefault = ((JButton)b).isDefaultButton();
                }
            }
            int bx1 = x+1;
            int by1 = y+1;
            int bx2 = x+w-2;
            int by2 = y+h-2;

            if (canBeDefault) {
                if (isDefault) {
                    g.setColor(shadow);
                    g.drawLine(x+3, y+3, x+3, y+h-4);
                    g.drawLine(x+3, y+3, x+w-4, y+3);

                    g.setColor(highlight);
                    g.drawLine(x+4, y+h-4, x+w-4, y+h-4);
                    g.drawLine(x+w-4, y+3, x+w-4, y+h-4);
                }
                bx1 +=6;
                by1 += 6;
                bx2 -= 6;
                by2 -= 6;
            }

            if (hasFocus) {
                g.setColor(focus);
                if (isDefault) {
                    g.drawRect(x, y, w-1, h-1);
                } else {
                    g.drawRect(bx1-1, by1-1, bx2-bx1+2, by2-by1+2);
                }
            }

            g.setColor(isPressed? shadow : highlight);
            g.drawLine(bx1, by1, bx2, by1);
            g.drawLine(bx1, by1, bx1, by2);

            g.setColor(isPressed? highlight : shadow);
            g.drawLine(bx2, by1+1, bx2, by2);
            g.drawLine(bx1+1, by2, bx2, by2);
        }

        public Insets getBorderInsets(Component c, Insets insets) {
            int thickness = (c instanceof JButton && ((JButton)c).isDefaultCapable())? 8 : 2;
            insets.set(thickness, thickness, thickness, thickness);
            return insets;
        }

    }

    public static class ToggleButtonBorder extends ButtonBorder {

        public ToggleButtonBorder(Color shadow, Color highlight, Color darkShadow, Color focus) {
             super(shadow, highlight, darkShadow, focus);
        }

        public void paintBorder(Component c, Graphics g, int x, int y,
                            int width, int height) {
            if (c instanceof AbstractButton) {
                AbstractButton b = (AbstractButton)c;
                ButtonModel model = b.getModel();

                if (model.isArmed() && model.isPressed() || model.isSelected()) {
                    drawBezel(g, x, y, width, height,
                              (model.isPressed() || model.isSelected()),
                              b.isFocusPainted() && b.hasFocus(), shadow, highlight, darkShadow, focus);
                } else {
                    drawBezel(g, x, y, width, height,
                              false, b.isFocusPainted() && b.hasFocus(),
                              shadow, highlight, darkShadow, focus);
                }
            } else {
                drawBezel(g, x, y, width, height, false, false,
                          shadow, highlight, darkShadow, focus);
            }
        }

        public Insets getBorderInsets(Component c, Insets insets) {
            insets.set(2, 2, 3, 3);
            return insets;
        }
    }

    public static class MenuBarBorder extends ButtonBorder {

        public MenuBarBorder(Color shadow, Color highlight, Color darkShadow, Color focus) {
            super(shadow, highlight, darkShadow, focus);
        }

        public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
            if (!(c instanceof JMenuBar)) {
                return;
            }
            JMenuBar menuBar = (JMenuBar)c;
            if (menuBar.isBorderPainted() == true) {
                // this draws the MenuBar border
                Dimension size = menuBar.getSize();
                drawBezel(g,x,y,size.width,size.height,false,false,
                          shadow, highlight, darkShadow, focus);
            }
        }

        public Insets getBorderInsets(Component c, Insets insets) {
            insets.set(6, 6, 6, 6);
            return insets;
        }
    }

    public static class FrameBorder extends AbstractBorder implements UIResource {

        JComponent jcomp;
        Color frameHighlight;
        Color frameColor;
        Color frameShadow;

        // The width of the border
        public final static int BORDER_SIZE = 5;

        /** Constructs an FrameBorder for the JComponent <b>comp.
        */
        public FrameBorder(JComponent comp) {
            jcomp = comp;
        }

        /** Sets the FrameBorder's JComponent.
      */
        public void setComponent(JComponent comp) {
            jcomp = comp;
        }

        /** Returns the FrameBorder's JComponent.
          * @see #setComponent
          */
        public JComponent component() {
            return jcomp;
        }

        protected Color getFrameHighlight() {
            return frameHighlight;
        }

        protected Color getFrameColor() {
            return frameColor;
        }

        protected Color getFrameShadow() {
            return frameShadow;
        }

        public Insets getBorderInsets(Component c, Insets newInsets) {
            newInsets.set(BORDER_SIZE, BORDER_SIZE, BORDER_SIZE, BORDER_SIZE);
            return newInsets;
        }

       /** Draws the FrameBorder's top border.
         */
        protected boolean drawTopBorder(Component c, Graphics g,
                                    int x, int y, int width, int height) {
            Rectangle titleBarRect = new Rectangle(x, y, width, BORDER_SIZE);
            if (!g.getClipBounds().intersects(titleBarRect)) {
                return false;
            }

            int maxX = width - 1;
            int maxY = BORDER_SIZE - 1;

            // Draw frame
            g.setColor(frameColor);
            g.drawLine(x, y + 2, maxX - 2, y + 2);
            g.drawLine(x, y + 3, maxX - 2, y + 3);
            g.drawLine(x, y + 4, maxX - 2, y + 4);

            // Draw highlights
            g.setColor(frameHighlight);
            g.drawLine(x, y, maxX, y);
            g.drawLine(x, y + 1, maxX, y + 1);
            g.drawLine(x, y + 2, x, y + 4);
            g.drawLine(x + 1, y + 2, x + 1, y + 4);

            // Draw shadows
            g.setColor(frameShadow);
            g.drawLine(x + 4, y + 4, maxX - 4, y + 4);
            g.drawLine(maxX, y + 1, maxX, maxY);
            g.drawLine(maxX - 1, y + 2, maxX - 1, maxY);

            return true;
        }

        /** Draws the FrameBorder's left border.
          */
        protected boolean drawLeftBorder(Component c, Graphics g, int x, int y,
                               int width, int height) {
            Rectangle borderRect =
                new Rectangle(0, 0, getBorderInsets(c).left, height);
            if (!g.getClipBounds().intersects(borderRect)) {
                return false;
            }

            int startY = BORDER_SIZE;

            g.setColor(frameHighlight);
            g.drawLine(x, startY, x, height - 1);
            g.drawLine(x + 1, startY, x + 1, height - 2);

            g.setColor(frameColor);
            g.fillRect(x + 2, startY, x + 2, height - 3);

            g.setColor(frameShadow);
            g.drawLine(x + 4, startY, x + 4, height - 5);

            return true;
        }

        /** Draws the FrameBorder's right border.
          */
        protected boolean drawRightBorder(Component c, Graphics g, int x, int y,
                                int width, int height) {
            Rectangle borderRect = new Rectangle(
                width - getBorderInsets(c).right, 0,
                getBorderInsets(c).right, height);
            if (!g.getClipBounds().intersects(borderRect)) {
                return false;
            }

            int startX = width - getBorderInsets(c).right;
            int startY = BORDER_SIZE;

            g.setColor(frameColor);
            g.fillRect(startX + 1, startY, 2, height - 1);

            g.setColor(frameShadow);
            g.fillRect(startX + 3, startY, 2, height - 1);

            g.setColor(frameHighlight);
            g.drawLine(startX, startY, startX, height - 1);

            return true;
        }

        /** Draws the FrameBorder's bottom border.
          */
        protected boolean drawBottomBorder(Component c, Graphics g, int x, int y,
                                 int width, int height) {
            Rectangle    borderRect;
            int     marginHeight, startY;

            borderRect = new Rectangle(0, height - getBorderInsets(c).bottom,
                                  width, getBorderInsets(c).bottom);
            if (!g.getClipBounds().intersects(borderRect)) {
                return false;
            }

            startY = height - getBorderInsets(c).bottom;

            g.setColor(frameShadow);
            g.drawLine(x + 1, height - 1, width - 1, height - 1);
            g.drawLine(x + 2, height - 2, width - 2, height - 2);

            g.setColor(frameColor);
            g.fillRect(x + 2, startY + 1, width - 4, 2);

            g.setColor(frameHighlight);
            g.drawLine(x + 5, startY, width - 5, startY);

            return true;
        }

        // Returns true if the associated component has focus.
        protected boolean isActiveFrame() {
            return jcomp.hasFocus();
        }

        /** Draws the FrameBorder in the given Rect.  Calls
          * <b>drawTitleBar, drawLeftBorder, drawRightBorder and
          * <b>drawBottomBorder.
          */
        public void paintBorder(Component c, Graphics g,
                            int x, int y, int width, int height) {
            if (isActiveFrame()) {
                frameColor = UIManager.getColor("activeCaptionBorder");
            } else {
                frameColor = UIManager.getColor("inactiveCaptionBorder");
            }
            frameHighlight = frameColor.brighter();
            frameShadow = frameColor.darker().darker();

            drawTopBorder(c, g, x, y, width, height);
            drawLeftBorder(c, g, x, y, width, height);
            drawRightBorder(c, g, x, y, width, height);
            drawBottomBorder(c, g, x, y, width, height);
        }
    }

    public static class InternalFrameBorder extends FrameBorder {

        JInternalFrame frame;

        // The size of the bounding box for Motif frame corners.
        public final static int CORNER_SIZE = 24;

        /** Constructs an InternalFrameBorder for the InternalFrame
          * <b>aFrame.
          */
        public InternalFrameBorder(JInternalFrame aFrame) {
            super(aFrame);
            frame = aFrame;
        }

        /** Sets the InternalFrameBorder's InternalFrame.
          */
        public void setFrame(JInternalFrame aFrame) {
            frame = aFrame;
        }

        /** Returns the InternalFrameBorder's InternalFrame.
          * @see #setFrame
          */
        public JInternalFrame frame() {
            return frame;
        }

        /** Returns the width of the InternalFrameBorder's resize controls,
          * appearing along the InternalFrameBorder's bottom border.  Clicking
          * and dragging within these controls lets the user change both the
          * InternalFrame's width and height, while dragging between the controls
          * constrains resizing to just the vertical dimension.  Override this
          * method if you implement your own bottom border painting and use a
          * resize control with a different size.
          */
        public int resizePartWidth() {
            if (!frame.isResizable()) {
                return 0;
            }
            return FrameBorder.BORDER_SIZE;
        }

        /** Draws the InternalFrameBorder's top border.
         */
        protected boolean drawTopBorder(Component c, Graphics g,
                                    int x, int y, int width, int height) {
            if (super.drawTopBorder(c, g, x, y, width, height) &&
                frame.isResizable()) {
                g.setColor(getFrameShadow());
                g.drawLine(CORNER_SIZE - 1, y + 1, CORNER_SIZE - 1, y + 4);
                g.drawLine(width - CORNER_SIZE - 1, y + 1,
                       width - CORNER_SIZE - 1, y + 4);

                g.setColor(getFrameHighlight());
                g.drawLine(CORNER_SIZE, y, CORNER_SIZE, y + 4);
                g.drawLine(width - CORNER_SIZE, y, width - CORNER_SIZE, y + 4);
                return true;
            }
            return false;
        }

        /** Draws the InternalFrameBorder's left border.
          */
        protected boolean drawLeftBorder(Component c, Graphics g, int x, int y,
                                     int width, int height) {
            if (super.drawLeftBorder(c, g, x, y, width, height) &&
                frame.isResizable()) {
                g.setColor(getFrameHighlight());
                int topY = y + CORNER_SIZE;
                g.drawLine(x, topY, x + 4, topY);
                int bottomY = height - CORNER_SIZE;
                g.drawLine(x + 1, bottomY, x + 5, bottomY);
                g.setColor(getFrameShadow());
                g.drawLine(x + 1, topY - 1, x + 5, topY - 1);
                g.drawLine(x + 1, bottomY - 1, x + 5, bottomY - 1);
                return true;
            }
            return false;
        }

        /** Draws the InternalFrameBorder's right border.
          */
        protected boolean drawRightBorder(Component c, Graphics g, int x, int y,
                                      int width, int height) {
            if (super.drawRightBorder(c, g, x, y, width, height) &&
                frame.isResizable()) {
                int startX = width - getBorderInsets(c).right;
                g.setColor(getFrameHighlight());
                int topY = y + CORNER_SIZE;
                g.drawLine(startX, topY, width - 2, topY);
                int bottomY = height - CORNER_SIZE;
                g.drawLine(startX + 1, bottomY, startX + 3, bottomY);
                g.setColor(getFrameShadow());
                g.drawLine(startX + 1, topY - 1, width - 2, topY - 1);
                g.drawLine(startX + 1, bottomY - 1, startX + 3, bottomY - 1);
                return true;
            }
            return false;
        }

        /** Draws the InternalFrameBorder's bottom border.
          */
        protected boolean drawBottomBorder(Component c, Graphics g, int x, int y,
                                       int width, int height) {
            if (super.drawBottomBorder(c, g, x, y, width, height) &&
                frame.isResizable()) {
                int startY = height - getBorderInsets(c).bottom;

                g.setColor(getFrameShadow());
                g.drawLine(CORNER_SIZE - 1, startY + 1,
                       CORNER_SIZE - 1, height - 1);
                g.drawLine(width - CORNER_SIZE, startY + 1,
                       width - CORNER_SIZE, height - 1);

                g.setColor(getFrameHighlight());
                g.drawLine(CORNER_SIZE, startY, CORNER_SIZE, height - 2);
                g.drawLine(width - CORNER_SIZE + 1, startY,
                       width - CORNER_SIZE + 1, height - 2);
                return true;
            }
            return false;
        }

        // Returns true if the associated internal frame has focus.
        protected boolean isActiveFrame() {
            return frame.isSelected();
        }
    }

    public static void drawBezel(Graphics g, int x, int y, int w, int h,
                               boolean isPressed, boolean hasFocus,
                               Color shadow, Color highlight,
                               Color darkShadow, Color focus)  {

        Color oldColor = g.getColor();
        g.translate(x, y);

        if (isPressed) {
            if (hasFocus){
                g.setColor(focus);
                g.drawRect(0, 0, w-1, h-1);
            }
            g.setColor(shadow);         // inner border
            g.drawRect(1, 1, w-3, h-3);

            g.setColor(highlight);    // inner 3D border
            g.drawLine(2, h-3, w-3, h-3);
            g.drawLine(w-3, 2, w-3, h-4);

        } else {
            if (hasFocus) {
                g.setColor(focus);
                g.drawRect(0, 0, w-1, h-1);

                g.setColor(highlight);   // inner 3D border
                g.drawLine(1, 1, 1, h-3);
                g.drawLine(2, 1, w-4, 1);

                g.setColor(shadow);
                g.drawLine(2, h-3, w-3, h-3);
                g.drawLine(w-3, 1, w-3, h-4);

                g.setColor(darkShadow);        // black drop shadow  __|
                g.drawLine(1, h-2, w-2, h-2);
                g.drawLine(w-2, h-2, w-2, 1);
            } else {
                g.setColor(highlight);    // inner 3D border
                g.drawLine(1,1,1,h-3);
                g.drawLine(2,1,w-4,1);
                g.setColor(shadow);
                g.drawLine(2,h-3,w-3,h-3);
                g.drawLine(w-3,1,w-3,h-4);

                g.setColor(darkShadow);         // black drop shadow  __|
                g.drawLine(1,h-2,w-2,h-2);
                g.drawLine(w-2,h-2,w-2,0);

            }
            g.translate(-x, -y);
        }
        g.setColor(oldColor);
    }

    public static class MotifPopupMenuBorder extends AbstractBorder implements UIResource {
        protected Font   font;
        protected Color  background;
        protected Color  foreground;
        protected Color  shadowColor;
        protected Color  highlightColor;

        // Space between the border and text
        static protected final int TEXT_SPACING = 2;

        // Space for the separator under the title
        static protected final int GROOVE_HEIGHT = 2;

        /**
         * Creates a MotifPopupMenuBorder instance
         *
         */
        public MotifPopupMenuBorder(
                                    Font titleFont,
                                    Color bgColor,
                                    Color fgColor,
                                    Color shadow,
                                    Color highlight)       {
            this.font = titleFont;
            this.background = bgColor;
            this.foreground = fgColor;
            this.shadowColor = shadow;
            this.highlightColor = highlight;
        }

        /**
         * Paints the border for the specified component with the
         * specified position and size.
         * @param c the component for which this border is being painted
         * @param g the paint graphics
         * @param x the x position of the painted border
         * @param y the y position of the painted border
         * @param width the width of the painted border
         * @param height the height of the painted border
         */
        public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
            if (!(c instanceof JPopupMenu)) {
                return;
            }

            Font origFont = g.getFont();
            Color origColor = g.getColor();
            JPopupMenu popup = (JPopupMenu)c;

            String title = popup.getLabel();
            if (title == null) {
                return;
            }

            g.setFont(font);

            FontMetrics fm = SwingUtilities2.getFontMetrics(popup, g, font);
            int         fontHeight = fm.getHeight();
            int         descent = fm.getDescent();
            int         ascent = fm.getAscent();
            Point       textLoc = new Point();
            int         stringWidth = SwingUtilities2.stringWidth(popup, fm,
                                                                  title);

            textLoc.y = y + ascent + TEXT_SPACING;
            textLoc.x = x + ((width - stringWidth) / 2);

            g.setColor(background);
            g.fillRect(textLoc.x - TEXT_SPACING, textLoc.y - (fontHeight-descent),
                       stringWidth + (2 * TEXT_SPACING), fontHeight - descent);
            g.setColor(foreground);
            SwingUtilities2.drawString(popup, g, title, textLoc.x, textLoc.y);

            MotifGraphicsUtils.drawGroove(g, x, textLoc.y + TEXT_SPACING,
                                          width, GROOVE_HEIGHT,
                                          shadowColor, highlightColor);

            g.setFont(origFont);
            g.setColor(origColor);
        }

        /**
         * Reinitialize the insets parameter with this Border's current Insets.
         * @param c the component for which this border insets value applies
         * @param insets the object to be reinitialized
         */
        public Insets getBorderInsets(Component c, Insets insets) {
            if (!(c instanceof JPopupMenu)) {
                return insets;
            }
            FontMetrics fm;
            int         descent = 0;
            int         ascent = 16;

            String title = ((JPopupMenu)c).getLabel();
            if (title == null) {
                insets.left = insets.top = insets.right = insets.bottom = 0;
                return insets;
            }

            fm = c.getFontMetrics(font);

            if(fm != null) {
                descent = fm.getDescent();
                ascent = fm.getAscent();
            }

            insets.top += ascent + descent + TEXT_SPACING + GROOVE_HEIGHT;
            return insets;
        }

    }

}

Other Java examples (source code examples)

Here is a short list of links related to this Java MotifBorders.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.