109 lines
3.3 KiB
Java
109 lines
3.3 KiB
Java
/*
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* Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.awt.windows;
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import java.awt.*;
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import java.awt.peer.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.KeyEvent;
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final class WButtonPeer extends WComponentPeer implements ButtonPeer {
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static {
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initIDs();
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}
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// ComponentPeer overrides
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@Override
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public Dimension getMinimumSize() {
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FontMetrics fm = getFontMetrics(((Button)target).getFont());
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String label = ((Button)target).getLabel();
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if ( label == null ) {
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label = "";
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}
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return new Dimension(fm.stringWidth(label) + 14,
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fm.getHeight() + 8);
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}
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@Override
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public boolean isFocusable() {
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return true;
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}
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// ButtonPeer implementation
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@Override
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public native void setLabel(String label);
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// Toolkit & peer internals
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WButtonPeer(Button target) {
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super(target);
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}
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@Override
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native void create(WComponentPeer peer);
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// native callbacks
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// NOTE: This is called on the privileged toolkit thread. Do not
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// call directly into user code using this thread!
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public void handleAction(final long when, final int modifiers) {
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// Fixed 5064013: the InvocationEvent time should be equals
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// the time of the ActionEvent
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WToolkit.executeOnEventHandlerThread(target, new Runnable() {
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@Override
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public void run() {
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postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED,
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((Button)target).getActionCommand(),
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when, modifiers));
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}
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}, when);
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}
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@Override
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public boolean shouldClearRectBeforePaint() {
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return false;
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}
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/**
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* Initialize JNI field and method IDs
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*/
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private static native void initIDs();
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@Override
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public boolean handleJavaKeyEvent(KeyEvent e) {
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switch (e.getID()) {
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case KeyEvent.KEY_RELEASED:
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if (e.getKeyCode() == KeyEvent.VK_SPACE){
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handleAction(e.getWhen(), e.getModifiers());
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}
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break;
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}
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return false;
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}
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}
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