diff options
Diffstat (limited to 'libjava/classpath/java/awt/DefaultFocusTraversalPolicy.java')
-rw-r--r-- | libjava/classpath/java/awt/DefaultFocusTraversalPolicy.java | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/libjava/classpath/java/awt/DefaultFocusTraversalPolicy.java b/libjava/classpath/java/awt/DefaultFocusTraversalPolicy.java deleted file mode 100644 index 3f017c5..0000000 --- a/libjava/classpath/java/awt/DefaultFocusTraversalPolicy.java +++ /dev/null @@ -1,111 +0,0 @@ -/* DefaultFocusTraversalPolicy.java -- - Copyright (C) 2002, 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 java.awt; - -/** - * DefaultFocusTraversalPolicy is the default focus traversal policy - * used by Containers. - * - * This policy sharpens ContainerOrderFocusTraversalPolicy's - * acceptance criteria, to reject those Components that have - * unfocusable peers. Despite this extra strictness, this policy will - * always accept a Component that has explicitly been set focusable by - * any means. - * - * This AWT implementation assumes that the peers of the following - * Components are not focusable: Canvas, Panel, Label, ScrollPane, - * Scrollbar, Window, and any lightweight Component. - * - * A Component's focusability is independent of the focusability of - * its peer. - * - * @author Thomas Fitzsimmons (fitzsim@redhat.com) - * @since 1.4 - */ -public class DefaultFocusTraversalPolicy - extends ContainerOrderFocusTraversalPolicy -{ - private static final long serialVersionUID = 8876966522510157497L; - - /** - * Construct a default focus traversal policy. - */ - public DefaultFocusTraversalPolicy () - { - } - - /** - * Check whether a given Component would be acceptable as a focus - * owner. The Component must be displayable, visible and enabled to - * be acceptable. If the Component's focus traversability has been - * overridden, by overriding Component.isFocusTraversable or - * Component.isFocusable, or by calling Component.setFocusable, then - * the Component will be accepted if it is focusable. If the - * Component uses the default focus traversable behaviour, then - * <code>comp</code> will always be rejected if it is a Canvas, - * Panel, Label, ScrollPane, Scrollbar, Window or lightweight - * Component. - * - * @param comp the Component to check - * - * @return true if the Component is an acceptable target for - * keyboard input focus, false otherwise - */ - protected boolean accept (Component comp) - { - if (comp.visible - && comp.isDisplayable () - && comp.enabled) - { - if (comp.isFocusTraversableOverridden != 0 - && (comp.isFocusTraversable () || comp.isFocusable())) - return true; - - if (!(comp instanceof Canvas - || comp instanceof Panel - || comp instanceof Label - || comp instanceof ScrollPane - || comp instanceof Scrollbar - || comp instanceof Window - || comp.isLightweight ())) - return true; - } - return false; - } -} |