1 files changed, 205 insertions, 0 deletions
diff --git a/libjava/javax/swing/plaf/metal/MetalBorders.java b/libjava/javax/swing/plaf/metal/MetalBorders.java
new file mode 100644
index 00000000000..edcb8885545
--- /dev/null
+++ b/libjava/javax/swing/plaf/metal/MetalBorders.java
@@ -0,0 +1,205 @@
+/* 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.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
+{
+
+  /**
+   * A MarginBorder that gets shared by multiple components.
+   * Created on demand by the private helper function {@link
+   * #getMarginBorder()}.
+   */
+  private static BasicBorders.MarginBorder sharedMarginBorder;
+
+  /**
+   * The border that is drawn around Swing buttons.
+   */
+  public static class MetalButtonBorder
+    extends AbstractBorder
+  {
+    /** The borders insets. */
+    protected static Insets borderInsets = new Insets(2, 2, 2, 2);
+
+    /**
+     * Creates a new instance of ButtonBorder.
+     */
+    public MetalButtonBorder()
+    {
+    }
+
+    /**
+     * 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);
+
+      newInsets.bottom = borderInsets.bottom;
+      newInsets.left = borderInsets.left;
+      newInsets.right = borderInsets.right;
+      newInsets.top = borderInsets.top;
+      return newInsets;
+    }
+  }
+
+
+  /**
+   * 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()
+  {
+    Border outer = new MetalButtonBorder();
+    Border inner = getMarginBorder();
+
+    return new BorderUIResource.CompoundBorderUIResource(outer, inner);
+  }
+
+  /**
+   * Returns a shared MarginBorder.
+   */
+  static Border getMarginBorder()  // intentionally not public
+  {
+    /* Swing is not designed to be thread-safe, so there is no
+     * need to synchronize the access to the global variable.
+     */
+    if (sharedMarginBorder == null)
+      sharedMarginBorder = new BasicBorders.MarginBorder();
+
+    return sharedMarginBorder;
+  }
+
+}