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Diffstat (limited to 'libjava/classpath/javax/swing/plaf/metal/MetalBorders.java')
-rw-r--r-- | libjava/classpath/javax/swing/plaf/metal/MetalBorders.java | 443 |
1 files changed, 443 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/plaf/metal/MetalBorders.java b/libjava/classpath/javax/swing/plaf/metal/MetalBorders.java new file mode 100644 index 00000000000..f260ef6e34c --- /dev/null +++ b/libjava/classpath/javax/swing/plaf/metal/MetalBorders.java @@ -0,0 +1,443 @@ +/* MetalBorders.java + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.swing.plaf.metal; + +import java.awt.Color; +import java.awt.Component; +import java.awt.Graphics; +import java.awt.Insets; + +import javax.swing.AbstractButton; +import javax.swing.ButtonModel; +import javax.swing.JButton; +import javax.swing.border.AbstractBorder; +import javax.swing.border.Border; +import javax.swing.plaf.BorderUIResource; +import javax.swing.plaf.UIResource; +import javax.swing.plaf.basic.BasicGraphicsUtils; +import javax.swing.plaf.basic.BasicBorders; + +/** + * This factory class creates borders for the different Swing components + * UI. + * + * @author Roman Kennke (roman@kennke.org) + */ +public class MetalBorders +{ + + /** The shared instance for getButtonBorder(). */ + private static Border buttonBorder; + + /** The shared instance for getRolloverButtonBorder(). */ + private static Border toolbarButtonBorder; + + /** + * A MarginBorder that gets shared by multiple components. + * Created on demand by the private helper function {@link + * #getMarginBorder()}. + */ + private static BasicBorders.MarginBorder marginBorder; + + /** + * The border that is drawn around Swing buttons. + */ + public static class ButtonBorder + extends AbstractBorder + implements UIResource + { + /** The borders insets. */ + protected static Insets borderInsets = new Insets(3, 3, 3, 3); + + /** + * Creates a new instance of ButtonBorder. + */ + public ButtonBorder() + { + } + + /** + * Paints the button border. + * + * @param c the component for which we paint the border + * @param g the Graphics context to use + * @param x the X coordinate of the upper left corner of c + * @param y the Y coordinate of the upper left corner of c + * @param w the width of c + * @param h the height of c + */ + public void paintBorder(Component c, Graphics g, int x, int y, int w, + int h) + { + ButtonModel bmodel = null; + + if (c instanceof AbstractButton) + bmodel = ((AbstractButton) c).getModel(); + + Color darkShadow = MetalLookAndFeel.getControlDarkShadow(); + Color shadow = MetalLookAndFeel.getControlShadow(); + Color light = MetalLookAndFeel.getWhite(); + Color middle = MetalLookAndFeel.getControl(); + + // draw dark border + g.setColor(darkShadow); + g.drawRect(x, y, w - 2, h - 2); + + if (!bmodel.isPressed()) + { + // draw light border + g.setColor(light); + g.drawRect(x + 1, y + 1, w - 2, h - 2); + + // draw crossing pixels of both borders + g.setColor(middle); + g.drawRect(x + 1, y + h - 2, 0, 0); + g.drawRect(x + w - 2, y + 1, 0, 0); + } + else + { + // draw light border + g.setColor(light); + g.drawLine(x + w - 1, y + 1, x + w - 1, y + h - 1); + g.drawLine(x + 1, y + h - 1, x + w - 1, y + h - 1); + + // draw shadow border + g.setColor(middle); + g.drawLine(x + 1, y + 1, x + w - 2, y + 1); + g.drawLine(x + 1, y + 1, x + 1, y + h - 2); + + // draw crossing pixels of both borders + g.setColor(shadow); + g.drawRect(x + 1, y + h - 2, 0, 0); + g.drawRect(x + w - 2, y + 1, 0, 0); + } + } + + /** + * Returns the insets of the ButtonBorder. + * + * @param c the component for which the border is used + * + * @return the insets of the ButtonBorder + */ + public Insets getBorderInsets(Component c) + { + return getBorderInsets(c, null); + } + + /** + * Returns the insets of the ButtonBorder in the specified Insets object. + * + * @param c the component for which the border is used + * @param newInsets the insets object where to put the values + * + * @return the insets of the ButtonBorder + */ + public Insets getBorderInsets(Component c, Insets newInsets) + { + if (newInsets == null) + newInsets = new Insets(0, 0, 0, 0); + + AbstractButton b = (AbstractButton) c; + newInsets.bottom = borderInsets.bottom; + newInsets.left = borderInsets.left; + newInsets.right = borderInsets.right; + newInsets.top = borderInsets.top; + return newInsets; + } + } + + /** + * A border for JScrollPanes. + */ + public static class ScrollPaneBorder + extends AbstractBorder + implements UIResource + { + /** The border insets. */ + private static Insets insets = new Insets(1, 1, 2, 2); + + /** + * Constructs a new ScrollPaneBorder. + */ + public ScrollPaneBorder() + { + } + + /** + * Returns the insets of the border for the Component <code>c</code>. + * + * @param c the Component for which we return the border insets + */ + public Insets getBorderInsets(Component c) + { + return insets; + } + + /** + * Paints the border. + * + * @param c the Component for which the border is painted + * @param g the Graphics context + * @param x the X coordinate of the upper left corner of the border + * @param y the Y coordinate of the upper left corner of the border + * @param w the width of the border + * @param h the height of the border + */ + public void paintBorder(Component c, Graphics g, int x, int y, + int w, int h) + { + Color darkShadow = MetalLookAndFeel.getControlDarkShadow(); + Color shadow = MetalLookAndFeel.getControlShadow(); + Color light = MetalLookAndFeel.getWhite(); + Color middle = MetalLookAndFeel.getControl(); + + // paint top border line + g.setColor(darkShadow); + g.drawLine(x, y, x + w - 2, y); + + // paint left border line + g.drawLine(x, y, x, y + h - 2); + + // paint right inner border line + g.drawLine(x + w - 2, y, x + w - 2, y + h + 1); + + // paint bottom inner border line + g.drawLine(x + 2, y + h - 2, x + w - 2, y + h - 2); + + // draw right outer border line + g.setColor(light); + g.drawLine(x + w - 1, y, x + w - 1, y + h - 1); + + // draw bottom outer border line + g.drawLine(x, y + h - 1, x + w - 1, y + h - 1); + + // paint the lighter points + g.setColor(middle); + g.drawLine(x + w - 1, y, x + w - 1, y); + g.drawLine(x + w - 2, y + 2, x + w - 2, y + 2); + g.drawLine(x, y + h - 1, x, y + h - 1); + g.drawLine(x + 1, y + h - 2, x + 1, y + h - 2); + + } + + } + + /** + * This border is used in Toolbar buttons as inner border. + */ + static class RolloverMarginBorder extends AbstractBorder + { + /** The borders insets. */ + protected static Insets borderInsets = new Insets(3, 3, 3, 3); + + /** + * Creates a new instance of RolloverBorder. + */ + public RolloverMarginBorder() + { + } + + /** + * Returns the insets of the RolloverBorder. + * + * @param c the component for which the border is used + * + * @return the insets of the RolloverBorder + */ + public Insets getBorderInsets(Component c) + { + return getBorderInsets(c, null); + } + + /** + * Returns the insets of the RolloverMarginBorder in the specified + * Insets object. + * + * @param c the component for which the border is used + * @param newInsets the insets object where to put the values + * + * @return the insets of the RolloverMarginBorder + */ + public Insets getBorderInsets(Component c, Insets newInsets) + { + if (newInsets == null) + newInsets = new Insets(0, 0, 0, 0); + + AbstractButton b = (AbstractButton) c; + Insets margin = b.getMargin(); + newInsets.bottom = borderInsets.bottom; + newInsets.left = borderInsets.left; + newInsets.right = borderInsets.right; + newInsets.top = borderInsets.top; + return newInsets; + } + } + + /** + * A border implementation for popup menus. + */ + public static class PopupMenuBorder + extends AbstractBorder + implements UIResource + { + + /** The border's insets. */ + protected static Insets borderInsets = new Insets(2, 2, 1, 1); + + /** + * Constructs a new PopupMenuBorder. + */ + public PopupMenuBorder() + { + } + + /** + * Returns the insets of the border, creating a new Insets instance + * with each call. + * + * @param c the component for which we return the border insets + * (not used here) + */ + public Insets getBorderInsets(Component c) + { + return getBorderInsets(c, null); + } + + /** + * Returns the insets of the border, using the supplied Insets instance. + * + * @param c the component for which we return the border insets + * (not used here) + * @param i the Insets instance to fill with the Insets values + */ + public Insets getBorderInsets(Component c, Insets i) + { + Insets insets; + if (i == null) + insets = new Insets(borderInsets.top, borderInsets.left, + borderInsets.bottom, borderInsets.right); + else + { + insets = i; + insets.top = borderInsets.top; + insets.left = borderInsets.left; + insets.bottom = borderInsets.bottom; + insets.right = borderInsets.right; + } + + return insets; + } + + /** + * Paints the border for component <code>c</code> using the + * Graphics context <code>g</code> with the dimension + * <code>x, y, w, h</code>. + * + * @param c the component for which we paint the border + * @param g the Graphics context to use + * @param x the X coordinate of the upper left corner of c + * @param y the Y coordinate of the upper left corner of c + * @param w the width of c + * @param h the height of c + */ + public void paintBorder(Component c, Graphics g, int x, int y, int w, + int h) + { + Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow(); + Color light = MetalLookAndFeel.getPrimaryControlHighlight(); + + // draw dark outer border + g.setColor(darkShadow); + g.drawRect(x, y, w - 1, h - 1); + + // draw highlighted inner border (only top and left) + g.setColor(light); + g.drawLine(x + 1, y + 1, x + 1, y + h - 2); + g.drawLine(x + 1, y + 1, x + w - 2, y + 1); + } + + } + + /** + * Returns a border for Swing buttons in the Metal Look & Feel. + * + * @return a border for Swing buttons in the Metal Look & Feel + */ + public static Border getButtonBorder() + { + if (buttonBorder == null) + { + Border outer = new ButtonBorder(); + Border inner = getMarginBorder(); + buttonBorder = new BorderUIResource.CompoundBorderUIResource + (outer, inner); + } + return buttonBorder; + } + + /** + * Returns a border for Toolbar buttons in the Metal Look & Feel. + * + * @return a border for Toolbar buttons in the Metal Look & Feel + */ + static Border getToolbarButtonBorder() + { + if (toolbarButtonBorder == null) + { + Border outer = new ButtonBorder(); + Border inner = new RolloverMarginBorder(); + toolbarButtonBorder = new BorderUIResource.CompoundBorderUIResource + (outer, inner); + } + return toolbarButtonBorder; + } + + /** + * Returns a shared instance of {@link BasicBorders.MarginBorder}. + * + * @return a shared instance of {@link BasicBorders.MarginBorder} + */ + static Border getMarginBorder() + { + if (marginBorder == null) + marginBorder = new BasicBorders.MarginBorder(); + return marginBorder; + } +} |