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+/* 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 &amp; Feel.
+ *
+ * @return a border for Swing buttons in the Metal Look &amp; 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 &amp; Feel.
+ *
+ * @return a border for Toolbar buttons in the Metal Look &amp; 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;
+ }
+}
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