author | serb |
Tue, 26 Jun 2012 13:46:09 +0400 | |
changeset 13143 | 31c70a66a053 |
parent 12639 | c1634bcec0a8 |
child 13357 | 6a75209a8aeb |
permissions | -rw-r--r-- |
12047 | 1 |
/* |
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* Copyright (c) 2011, 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.lwawt; |
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import java.awt.Dimension; |
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import java.awt.FontMetrics; |
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import java.awt.Insets; |
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import java.awt.SystemColor; |
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import java.awt.TextComponent; |
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import java.awt.event.TextEvent; |
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import java.awt.event.InputMethodListener; |
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import java.awt.event.InputMethodEvent; |
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import java.awt.im.InputMethodRequests; |
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import java.awt.peer.TextComponentPeer; |
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import sun.awt.AWTAccessor; |
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import javax.swing.JComponent; |
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import javax.swing.event.DocumentEvent; |
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import javax.swing.event.DocumentListener; |
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import javax.swing.text.Document; |
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import javax.swing.text.JTextComponent; |
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abstract class LWTextComponentPeer<T extends TextComponent, D extends JComponent> |
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extends LWComponentPeer<T, D> |
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implements DocumentListener, TextComponentPeer, InputMethodListener { |
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/** |
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* Character with reasonable value between the minimum width and maximum. |
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*/ |
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protected static final char WIDE_CHAR = 'w'; |
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private volatile boolean firstChangeSkipped; |
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LWTextComponentPeer(final T target, |
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final PlatformComponent platformComponent) { |
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super(target, platformComponent); |
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if (!getTarget().isBackgroundSet()) { |
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getTarget().setBackground(SystemColor.text); |
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} |
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} |
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@Override |
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7142091: [macosx] RFE: Refactoring of peer initialization/disposing
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void initializeImpl() { |
31c70a66a053
7142091: [macosx] RFE: Refactoring of peer initialization/disposing
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super.initializeImpl(); |
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synchronized (getDelegateLock()) { |
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// This listener should be added before setText(). |
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getTextComponent().getDocument().addDocumentListener(this); |
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} |
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setEditable(getTarget().isEditable()); |
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setText(getTarget().getText()); |
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getTarget().addInputMethodListener(this); |
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final int start = getTarget().getSelectionStart(); |
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final int end = getTarget().getSelectionEnd(); |
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if (end > start) { |
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select(start, end); |
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} |
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setCaretPosition(getTarget().getCaretPosition()); |
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firstChangeSkipped = true; |
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} |
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@Override |
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protected final void disposeImpl() { |
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synchronized (getDelegateLock()) { |
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// visible caret has a timer thread which must be stopped |
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getTextComponent().getCaret().setVisible(false); |
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} |
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super.disposeImpl(); |
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} |
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/** |
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* This method should be called under getDelegateLock(). |
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*/ |
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abstract JTextComponent getTextComponent(); |
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public Dimension getPreferredSize(final int rows, final int columns) { |
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final Insets insets; |
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synchronized (getDelegateLock()) { |
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insets = getDelegate().getInsets(); |
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} |
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final int borderHeight = insets.top + insets.bottom; |
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final int borderWidth = insets.left + insets.right; |
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final FontMetrics fm = getFontMetrics(getFont()); |
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final int charWidth = (fm != null) ? fm.charWidth(WIDE_CHAR) : 10; |
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final int itemHeight = (fm != null) ? fm.getHeight() : 10; |
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return new Dimension(columns * charWidth + borderWidth, |
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rows * itemHeight + borderHeight); |
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} |
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@Override |
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public final void setEditable(final boolean editable) { |
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synchronized (getDelegateLock()) { |
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getTextComponent().setEditable(editable); |
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} |
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} |
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@Override |
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public final String getText() { |
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synchronized (getDelegateLock()) { |
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return getTextComponent().getText(); |
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} |
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} |
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@Override |
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public void setText(final String l) { |
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synchronized (getDelegateLock()) { |
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// JTextArea.setText() posts two different events (remove & insert). |
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// Since we make no differences between text events, |
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// the document listener has to be disabled while |
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// JTextArea.setText() is called. |
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final Document document = getTextComponent().getDocument(); |
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document.removeDocumentListener(this); |
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getTextComponent().setText(l); |
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revalidate(); |
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if (firstChangeSkipped) { |
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postEvent(new TextEvent(getTarget(), |
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TextEvent.TEXT_VALUE_CHANGED)); |
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} |
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document.addDocumentListener(this); |
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} |
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repaintPeer(); |
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} |
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@Override |
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public final int getSelectionStart() { |
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synchronized (getDelegateLock()) { |
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return getTextComponent().getSelectionStart(); |
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} |
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} |
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@Override |
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public final int getSelectionEnd() { |
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synchronized (getDelegateLock()) { |
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return getTextComponent().getSelectionEnd(); |
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} |
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} |
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@Override |
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public final void select(final int selStart, final int selEnd) { |
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synchronized (getDelegateLock()) { |
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getTextComponent().select(selStart, selEnd); |
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} |
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repaintPeer(); |
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} |
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@Override |
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public final void setCaretPosition(final int pos) { |
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synchronized (getDelegateLock()) { |
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getTextComponent().setCaretPosition(pos); |
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} |
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repaintPeer(); |
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} |
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@Override |
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public final int getCaretPosition() { |
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synchronized (getDelegateLock()) { |
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return getTextComponent().getCaretPosition(); |
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} |
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} |
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@Override |
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public final InputMethodRequests getInputMethodRequests() { |
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synchronized (getDelegateLock()) { |
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return getTextComponent().getInputMethodRequests(); |
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} |
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} |
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@Override |
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public final boolean isFocusable() { |
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return getTarget().isFocusable(); |
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} |
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protected final void revalidate() { |
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synchronized (getDelegateLock()) { |
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getTextComponent().invalidate(); |
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getDelegate().validate(); |
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} |
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} |
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7124210: [macosx] Replacing text in a TextField does generate an extra TextEvent
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protected final void postTextEvent() { |
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postEvent(new TextEvent(getTarget(), TextEvent.TEXT_VALUE_CHANGED)); |
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synchronized (getDelegateLock()) { |
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revalidate(); |
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} |
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} |
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@Override |
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public final void changedUpdate(final DocumentEvent e) { |
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postTextEvent(); |
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} |
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@Override |
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public final void insertUpdate(final DocumentEvent e) { |
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postTextEvent(); |
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} |
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@Override |
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public final void removeUpdate(final DocumentEvent e) { |
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postTextEvent(); |
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} |
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@Override |
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public void inputMethodTextChanged(InputMethodEvent event) { |
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synchronized (getDelegateLock()) { |
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AWTAccessor.getComponentAccessor().processEvent(getTextComponent(), event); |
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} |
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} |
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@Override |
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public void caretPositionChanged(InputMethodEvent event) { |
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synchronized (getDelegateLock()) { |
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AWTAccessor.getComponentAccessor().processEvent(getTextComponent(), event); |
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} |
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} |
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} |