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src/java.desktop/share/classes/javax/swing/plaf/synth/SynthButtonUI.java

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   1 /*
   2  * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 178         if ((c instanceof JButton) && ((JButton)c).isDefaultButton()) {
 179             state |= DEFAULT;
 180         }
 181         return state;
 182     }
 183 
 184     /**
 185      * {@inheritDoc}
 186      */
 187     @Override
 188     public int getBaseline(JComponent c, int width, int height) {
 189         if (c == null) {
 190             throw new NullPointerException("Component must be non-null");
 191         }
 192         if (width < 0 || height < 0) {
 193             throw new IllegalArgumentException(
 194                     "Width and height must be >= 0");
 195         }
 196         AbstractButton b = (AbstractButton)c;
 197         String text = b.getText();
 198         if (text == null || "".equals(text)) {
 199             return -1;
 200         }
 201         Insets i = b.getInsets();
 202         Rectangle viewRect = new Rectangle();
 203         Rectangle textRect = new Rectangle();
 204         Rectangle iconRect = new Rectangle();
 205         viewRect.x = i.left;
 206         viewRect.y = i.top;
 207         viewRect.width = width - (i.right + viewRect.x);
 208         viewRect.height = height - (i.bottom + viewRect.y);
 209 
 210         // layout the text and icon
 211         SynthContext context = getContext(b);
 212         SynthStyle style;
 213         if (context.getStyle() != null) {
 214             style = context.getStyle();
 215         } else {
 216             style = SynthLookAndFeel.updateStyle(context, this);
 217         }
 218         FontMetrics fm = context.getComponent().getFontMetrics(


   1 /*
   2  * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 178         if ((c instanceof JButton) && ((JButton)c).isDefaultButton()) {
 179             state |= DEFAULT;
 180         }
 181         return state;
 182     }
 183 
 184     /**
 185      * {@inheritDoc}
 186      */
 187     @Override
 188     public int getBaseline(JComponent c, int width, int height) {
 189         if (c == null) {
 190             throw new NullPointerException("Component must be non-null");
 191         }
 192         if (width < 0 || height < 0) {
 193             throw new IllegalArgumentException(
 194                     "Width and height must be >= 0");
 195         }
 196         AbstractButton b = (AbstractButton)c;
 197         String text = b.getText();
 198         if (text == null || text.isEmpty()) {
 199             return -1;
 200         }
 201         Insets i = b.getInsets();
 202         Rectangle viewRect = new Rectangle();
 203         Rectangle textRect = new Rectangle();
 204         Rectangle iconRect = new Rectangle();
 205         viewRect.x = i.left;
 206         viewRect.y = i.top;
 207         viewRect.width = width - (i.right + viewRect.x);
 208         viewRect.height = height - (i.bottom + viewRect.y);
 209 
 210         // layout the text and icon
 211         SynthContext context = getContext(b);
 212         SynthStyle style;
 213         if (context.getStyle() != null) {
 214             style = context.getStyle();
 215         } else {
 216             style = SynthLookAndFeel.updateStyle(context, this);
 217         }
 218         FontMetrics fm = context.getComponent().getFontMetrics(


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