1 /*
2 * Copyright (c) 1997, 2015, 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
2588 *
2589 * Note: the AbstractButton must have a valid size (e.g. have
2590 * been added to a parent container whose ancestor container
2591 * is a valid top-level window) for this method to be able
2592 * to return a meaningful value.
2593 *
2594 * @param p the Point in local coordinates
2595 * @return the zero-based index of the character under Point p; if
2596 * Point is invalid returns -1.
2597 * @since 1.3
2598 */
2599 public int getIndexAtPoint(Point p) {
2600 View view = (View) AbstractButton.this.getClientProperty("html");
2601 if (view != null) {
2602 Rectangle r = getTextRectangle();
2603 if (r == null) {
2604 return -1;
2605 }
2606 Rectangle2D.Float shape =
2607 new Rectangle2D.Float(r.x, r.y, r.width, r.height);
2608 Position.Bias bias[] = new Position.Bias[1];
2609 return view.viewToModel(p.x, p.y, shape, bias);
2610 } else {
2611 return -1;
2612 }
2613 }
2614
2615 /**
2616 * Determine the bounding box of the character at the given
2617 * index into the string. The bounds are returned in local
2618 * coordinates. If the index is invalid an empty rectangle is
2619 * returned.
2620 *
2621 * Note: the AbstractButton must have a valid size (e.g. have
2622 * been added to a parent container whose ancestor container
2623 * is a valid top-level window) for this method to be able
2624 * to return a meaningful value.
2625 *
2626 * @param i the index into the String
2627 * @return the screen coordinates of the character's the bounding box,
2628 * if index is invalid returns an empty rectangle.
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1 /*
2 * Copyright (c) 1997, 2018, 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
2588 *
2589 * Note: the AbstractButton must have a valid size (e.g. have
2590 * been added to a parent container whose ancestor container
2591 * is a valid top-level window) for this method to be able
2592 * to return a meaningful value.
2593 *
2594 * @param p the Point in local coordinates
2595 * @return the zero-based index of the character under Point p; if
2596 * Point is invalid returns -1.
2597 * @since 1.3
2598 */
2599 public int getIndexAtPoint(Point p) {
2600 View view = (View) AbstractButton.this.getClientProperty("html");
2601 if (view != null) {
2602 Rectangle r = getTextRectangle();
2603 if (r == null) {
2604 return -1;
2605 }
2606 Rectangle2D.Float shape =
2607 new Rectangle2D.Float(r.x, r.y, r.width, r.height);
2608 Position.Bias[] bias = new Position.Bias[1];
2609 return view.viewToModel(p.x, p.y, shape, bias);
2610 } else {
2611 return -1;
2612 }
2613 }
2614
2615 /**
2616 * Determine the bounding box of the character at the given
2617 * index into the string. The bounds are returned in local
2618 * coordinates. If the index is invalid an empty rectangle is
2619 * returned.
2620 *
2621 * Note: the AbstractButton must have a valid size (e.g. have
2622 * been added to a parent container whose ancestor container
2623 * is a valid top-level window) for this method to be able
2624 * to return a meaningful value.
2625 *
2626 * @param i the index into the String
2627 * @return the screen coordinates of the character's the bounding box,
2628 * if index is invalid returns an empty rectangle.
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