src/share/classes/javax/swing/plaf/synth/SynthScrollBarUI.java

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   1 /*
   2  * Copyright (c) 2002, 2013, 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


 358      */
 359     @Override
 360     protected Dimension getMinimumThumbSize() {
 361         if (!validMinimumThumbSize) {
 362             if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
 363                 minimumThumbSize.width = scrollBarWidth;
 364                 minimumThumbSize.height = 7;
 365             } else {
 366                 minimumThumbSize.width = 7;
 367                 minimumThumbSize.height = scrollBarWidth;
 368             }
 369         }
 370         return minimumThumbSize;
 371     }
 372 
 373     /**
 374      * {@inheritDoc}
 375      */
 376     @Override
 377     protected JButton createDecreaseButton(int orientation)  {

 378         SynthArrowButton synthArrowButton = new SynthArrowButton(orientation) {
 379             @Override
 380             public boolean contains(int x, int y) {
 381                 if (decrGap < 0) { //there is an overlap between the track and button
 382                     int width = getWidth();
 383                     int height = getHeight();
 384                     if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
 385                         //adjust the height by decrGap
 386                         //Note: decrGap is negative!
 387                         height += decrGap;
 388                     } else {
 389                         //adjust the width by decrGap
 390                         //Note: decrGap is negative!
 391                         width += decrGap;
 392                     }
 393                     return (x >= 0) && (x < width) && (y >= 0) && (y < height);
 394                 }
 395                 return super.contains(x, y);
 396             }
 397         };
 398         synthArrowButton.setName("ScrollBar.button");
 399         return synthArrowButton;
 400     }
 401 
 402     /**
 403      * {@inheritDoc}
 404      */
 405     @Override
 406     protected JButton createIncreaseButton(int orientation)  {

 407         SynthArrowButton synthArrowButton = new SynthArrowButton(orientation) {
 408             @Override
 409             public boolean contains(int x, int y) {
 410                 if (incrGap < 0) { //there is an overlap between the track and button
 411                     int width = getWidth();
 412                     int height = getHeight();
 413                     if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
 414                         //adjust the height and y by incrGap
 415                         //Note: incrGap is negative!
 416                         height += incrGap;
 417                         y += incrGap;
 418                     } else {
 419                         //adjust the width and x by incrGap
 420                         //Note: incrGap is negative!
 421                         width += incrGap;
 422                         x += incrGap;
 423                     }
 424                     return (x >= 0) && (x < width) && (y >= 0) && (y < height);
 425                 }
 426                 return super.contains(x, y);


   1 /*
   2  * Copyright (c) 2002, 2014, 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


 358      */
 359     @Override
 360     protected Dimension getMinimumThumbSize() {
 361         if (!validMinimumThumbSize) {
 362             if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
 363                 minimumThumbSize.width = scrollBarWidth;
 364                 minimumThumbSize.height = 7;
 365             } else {
 366                 minimumThumbSize.width = 7;
 367                 minimumThumbSize.height = scrollBarWidth;
 368             }
 369         }
 370         return minimumThumbSize;
 371     }
 372 
 373     /**
 374      * {@inheritDoc}
 375      */
 376     @Override
 377     protected JButton createDecreaseButton(int orientation)  {
 378         @SuppressWarnings("serial") // anonymous class
 379         SynthArrowButton synthArrowButton = new SynthArrowButton(orientation) {
 380             @Override
 381             public boolean contains(int x, int y) {
 382                 if (decrGap < 0) { //there is an overlap between the track and button
 383                     int width = getWidth();
 384                     int height = getHeight();
 385                     if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
 386                         //adjust the height by decrGap
 387                         //Note: decrGap is negative!
 388                         height += decrGap;
 389                     } else {
 390                         //adjust the width by decrGap
 391                         //Note: decrGap is negative!
 392                         width += decrGap;
 393                     }
 394                     return (x >= 0) && (x < width) && (y >= 0) && (y < height);
 395                 }
 396                 return super.contains(x, y);
 397             }
 398         };
 399         synthArrowButton.setName("ScrollBar.button");
 400         return synthArrowButton;
 401     }
 402 
 403     /**
 404      * {@inheritDoc}
 405      */
 406     @Override
 407     protected JButton createIncreaseButton(int orientation)  {
 408         @SuppressWarnings("serial") // anonymous class
 409         SynthArrowButton synthArrowButton = new SynthArrowButton(orientation) {
 410             @Override
 411             public boolean contains(int x, int y) {
 412                 if (incrGap < 0) { //there is an overlap between the track and button
 413                     int width = getWidth();
 414                     int height = getHeight();
 415                     if (scrollbar.getOrientation() == JScrollBar.VERTICAL) {
 416                         //adjust the height and y by incrGap
 417                         //Note: incrGap is negative!
 418                         height += incrGap;
 419                         y += incrGap;
 420                     } else {
 421                         //adjust the width and x by incrGap
 422                         //Note: incrGap is negative!
 423                         width += incrGap;
 424                         x += incrGap;
 425                     }
 426                     return (x >= 0) && (x < width) && (y >= 0) && (y < height);
 427                 }
 428                 return super.contains(x, y);