From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- libjava/classpath/java/awt/event/InputEvent.java | 399 +++++++++++++++++++++++ 1 file changed, 399 insertions(+) create mode 100644 libjava/classpath/java/awt/event/InputEvent.java (limited to 'libjava/classpath/java/awt/event/InputEvent.java') diff --git a/libjava/classpath/java/awt/event/InputEvent.java b/libjava/classpath/java/awt/event/InputEvent.java new file mode 100644 index 000000000..241630ca3 --- /dev/null +++ b/libjava/classpath/java/awt/event/InputEvent.java @@ -0,0 +1,399 @@ +/* InputEvent.java -- common superclass of component input events + Copyright (C) 1999, 2002, 2004, 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.event; + +import gnu.java.awt.EventModifier; +import gnu.java.lang.CPStringBuilder; + +import java.awt.Component; + +/** + * This is the common superclass for all component input classes. These are + * passed to listeners before the component, so that listeners can consume + * the event before it does its default behavior. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + * @see KeyEvent + * @see KeyAdapter + * @see MouseEvent + * @see MouseAdapter + * @see MouseMotionAdapter + * @see MouseWheelEvent + * @since 1.1 + * @status updated to 1.4 + */ +public abstract class InputEvent extends ComponentEvent +{ + /** + * Compatible with JDK 1.1+. + */ + private static final long serialVersionUID = -2482525981698309786L; + + /** + * This is the bit mask which indicates the shift key is down. It is + * recommended that SHIFT_DOWN_MASK be used instead. + * + * @see #SHIFT_DOWN_MASK + */ + public static final int SHIFT_MASK = 1; + + /** + * This is the bit mask which indicates the control key is down. It is + * recommended that CTRL_DOWN_MASK be used instead. + * + * @see #CTRL_DOWN_MASK + */ + public static final int CTRL_MASK = 2; + + /** + * This is the bit mask which indicates the meta key is down. It is + * recommended that META_DOWN_MASK be used instead. + * + * @see #META_DOWN_MASK + */ + public static final int META_MASK = 4; + + /** + * This is the bit mask which indicates the alt key is down. It is + * recommended that ALT_DOWN_MASK be used instead. + * + * @see #ALT_DOWN_MASK + */ + public static final int ALT_MASK = 8; + + /** + * This is the bit mask which indicates the alt-graph modifier is in effect. + * It is recommended that ALT_GRAPH_DOWN_MASK be used instead. + * + * @see #ALT_GRAPH_DOWN_MASK + */ + public static final int ALT_GRAPH_MASK = 0x20; + + /** + * This bit mask indicates mouse button one is down. It is recommended that + * BUTTON1_DOWN_MASK be used instead. + * + * @see #BUTTON1_DOWN_MASK + */ + public static final int BUTTON1_MASK = 0x10; + + /** + * This bit mask indicates mouse button two is down. It is recommended that + * BUTTON2_DOWN_MASK be used instead. + * + * @see #BUTTON2_DOWN_MASK + */ + public static final int BUTTON2_MASK = 8; + + /** + * This bit mask indicates mouse button three is down. It is recommended + * that BUTTON3_DOWN_MASK be used instead. + * + * @see #BUTTON3_DOWN_MASK + */ + public static final int BUTTON3_MASK = 4; + + /** + * The SHIFT key extended modifier. + * + * @since 1.4 + */ + public static final int SHIFT_DOWN_MASK = 0x0040; + + /** + * The CTRL key extended modifier. + * + * @since 1.4 + */ + public static final int CTRL_DOWN_MASK = 0x0080; + + /** + * The META key extended modifier. + * + * @since 1.4 + */ + public static final int META_DOWN_MASK = 0x0100; + + /** + * The ALT key extended modifier. + * + * @since 1.4 + */ + public static final int ALT_DOWN_MASK = 0x0200; + + /** + * The mouse button1 key extended modifier. + * + * @since 1.4 + */ + public static final int BUTTON1_DOWN_MASK = 0x0400; + + /** + * The mouse button2 extended modifier. + * + * @since 1.4 + */ + public static final int BUTTON2_DOWN_MASK = 0x0800; + + /** + * The mouse button3 extended modifier. + * + * @since 1.4 + */ + public static final int BUTTON3_DOWN_MASK = 0x1000; + + /** + * The ALT_GRAPH key extended modifier. + * + * @since 1.4 + */ + public static final int ALT_GRAPH_DOWN_MASK = 0x2000; + + /** The mask to convert new to old, package visible for use in subclasses. */ + static final int CONVERT_MASK + = EventModifier.NEW_MASK & ~(BUTTON2_DOWN_MASK | BUTTON3_DOWN_MASK); + + /** + * The timestamp when this event occurred. + * + * @see #getWhen() + * @serial the timestamp + */ + private final long when; + + /** + * The old-style modifiers in effect for this event. Package visible + * for use by subclasses. The old style (bitmask 0x3f) should not be + * mixed with the new style (bitmasks 0xffffffc0). + * + * @see #getModifiers() + * @see MouseEvent + * @serial the modifier state, stored in the old style + */ + int modifiers; + + /** + * The new-style modifiers in effect for this event. Package visible + * for use by subclasses. The old style (bitmask 0x3f) should not be + * mixed with the new style (bitmasks 0xffffffc0). + * + * @see #getModifiersEx() + * @see MouseEvent + * @serial the modifier state, stored in the new style + */ + int modifiersEx; + + /** + * Initializes a new instance of InputEvent with the specified + * source, id, timestamp, and modifiers. Note that an invalid id leads to + * unspecified results. + * + * @param source the source of the event + * @param id the event id + * @param when the timestamp when the event occurred + * @param modifiers the modifiers in effect for this event, old or new style + * @throws IllegalArgumentException if source is null + */ + InputEvent(Component source, int id, long when, int modifiers) + { + super(source, id); + this.when = when; + this.modifiers = modifiers & EventModifier.OLD_MASK; + this.modifiersEx = modifiers & EventModifier.NEW_MASK; + } + + /** + * This method tests whether or not the shift key was down during the event. + * + * @return true if the shift key is down + */ + public boolean isShiftDown() + { + return ((modifiers & SHIFT_MASK) != 0) + || ((modifiersEx & SHIFT_DOWN_MASK) != 0); + } + + /** + * This method tests whether or not the control key was down during the + * event. + * + * @return true if the control key is down + */ + public boolean isControlDown() + { + return ((modifiers & CTRL_MASK) != 0) + || ((modifiersEx & CTRL_DOWN_MASK) != 0); + } + + /** + * This method tests whether or not the meta key was down during the event. + * + * @return true if the meta key is down + */ + public boolean isMetaDown() + { + return ((modifiers & META_MASK) != 0) + || ((modifiersEx & META_DOWN_MASK) != 0); + } + + /** + * This method tests whether or not the alt key was down during the event. + * + * @return true if the alt key is down + */ + public boolean isAltDown() + { + return ((modifiers & ALT_MASK) != 0) + || ((modifiersEx & ALT_DOWN_MASK) != 0); + } + + /** + * This method tests whether or not the alt-graph modifier was in effect + * during the event. + * + * @return true if the alt-graph modifier is down + */ + public boolean isAltGraphDown() + { + return ((modifiers & ALT_GRAPH_MASK) != 0) + || ((modifiersEx & ALT_GRAPH_DOWN_MASK) != 0); + } + + /** + * This method returns the timestamp when this event occurred. + * + * @return the timestamp when this event occurred + */ + public long getWhen() + { + return when; + } + + /** + * This method returns the old-style modifiers in effect for this event. + * Note that this is ambiguous between button2 and alt, and between + * button3 and meta. Also, code which generated these modifiers tends to + * only list the modifier that just changed, even if others were down at + * the time. Consider using getModifiersEx instead. This will be a union + * of the bit masks defined in this class that are applicable to the event. + * + * @return the modifiers in effect for this event + * @see #getModifiersEx() + */ + public int getModifiers() + { + return modifiers; + } + + /** + * Returns the extended modifiers (new-style) for this event. This represents + * the state of all modal keys and mouse buttons at the time of the event, + * and does not suffer from the problems mentioned in getModifiers. + * + *

For an example of checking multiple modifiers, this code will return + * true only if SHIFT and BUTTON1 were pressed and CTRL was not: + * 

+   * int onmask = InputEvent.SHIFT_DOWN_MASK | InputEvent.BUTTON1_DOWN_MASK;
+   * int offmask = InputEvent.CTRL_DOWN_MASK;
+   * return (event.getModifiersEx() & (onmask | offmask)) == onmask;
+   *
+ * + * @return the bitwise or of all modifiers pressed during the event + * @since 1.4 + */ + public int getModifiersEx() + { + return modifiersEx; + } + + /** + * Consumes this event. A consumed event is not processed further by the AWT + * system. + */ + public void consume() + { + consumed = true; + } + + /** + * This method tests whether or not this event has been consumed. + * + * @return true if this event has been consumed + */ + public boolean isConsumed() + { + return consumed; + } + + /** + * Convert the extended modifier bitmask into a String, such as "Shift" or + * "Ctrl+Button1". + * + * XXX Sun claims this can be localized via the awt.properties file - how + * do we implement that? + * + * @param modifiers the modifiers + * @return a string representation of the modifiers in this bitmask + * @since 1.4 + */ + public static String getModifiersExText(int modifiers) + { + modifiers &= EventModifier.NEW_MASK; + if (modifiers == 0) + return ""; + CPStringBuilder s = new CPStringBuilder(); + if ((modifiers & META_DOWN_MASK) != 0) + s.append("Meta+"); + if ((modifiers & CTRL_DOWN_MASK) != 0) + s.append("Ctrl+"); + if ((modifiers & ALT_DOWN_MASK) != 0) + s.append("Alt+"); + if ((modifiers & SHIFT_DOWN_MASK) != 0) + s.append("Shift+"); + if ((modifiers & ALT_GRAPH_DOWN_MASK) != 0) + s.append("Alt Graph+"); + if ((modifiers & BUTTON1_DOWN_MASK) != 0) + s.append("Button1+"); + if ((modifiers & BUTTON2_DOWN_MASK) != 0) + s.append("Button2+"); + if ((modifiers & BUTTON3_DOWN_MASK) != 0) + s.append("Button3+"); + return s.substring(0, s.length() - 1); + } +} // class InputEvent -- cgit v1.2.3