author | serb |
Fri, 15 Jul 2011 19:23:03 +0400 | |
changeset 10096 | f9ac9a52952d |
parent 5506 | 202f599c92aa |
child 18178 | ee71c923891d |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* Copyright (c) 2002, 2007, 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.X11; |
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import java.awt.*; |
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import java.awt.peer.*; |
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import java.awt.event.*; |
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import java.awt.image.BufferedImage; |
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import javax.swing.plaf.basic.BasicGraphicsUtils; |
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import java.awt.geom.AffineTransform; |
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import sun.util.logging.PlatformLogger; |
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class XCheckboxPeer extends XComponentPeer implements CheckboxPeer { |
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private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XCheckboxPeer"); |
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private static final Insets focusInsets = new Insets(0,0,0,0); |
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private static final Insets borderInsets = new Insets(2,2,2,2); |
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private static final int checkBoxInsetFromText = 2; |
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//The check mark is less common than a plain "depressed" button, |
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//so don't use the checkmark. |
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// The checkmark shape: |
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private static final double MASTER_SIZE = 128.0; |
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private static final Polygon MASTER_CHECKMARK = new Polygon( |
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new int[] {1, 25,56,124,124,85, 64}, // X-coords |
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new int[] {59,35,67, 0, 12,66,123}, // Y-coords |
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7); |
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private Shape myCheckMark; |
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private Color focusColor = SystemColor.windowText; |
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private boolean pressed; |
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private boolean armed; |
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private boolean selected; |
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private Rectangle textRect; |
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private Rectangle focusRect; |
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private int checkBoxSize; |
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private int cbX; |
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private int cbY; |
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String label; |
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CheckboxGroup checkBoxGroup; |
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XCheckboxPeer(Checkbox target) { |
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super(target); |
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pressed = false; |
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armed = false; |
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selected = target.getState(); |
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label = target.getLabel(); |
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if ( label == null ) { |
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label = ""; |
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} |
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checkBoxGroup = target.getCheckboxGroup(); |
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updateMotifColors(getPeerBackground()); |
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} |
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public void preInit(XCreateWindowParams params) { |
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// Put this here so it is executed before layout() is called from |
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// setFont() in XComponent.postInit() |
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textRect = new Rectangle(); |
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focusRect = new Rectangle(); |
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super.preInit(params); |
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} |
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public boolean isFocusable() { return true; } |
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public void focusGained(FocusEvent e) { |
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// TODO: only need to paint the focus bit |
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super.focusGained(e); |
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repaint(); |
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} |
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public void focusLost(FocusEvent e) { |
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// TODO: only need to paint the focus bit? |
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super.focusLost(e); |
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repaint(); |
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} |
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void handleJavaKeyEvent(KeyEvent e) { |
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int i = e.getID(); |
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switch (i) { |
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case KeyEvent.KEY_PRESSED: |
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keyPressed(e); |
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break; |
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case KeyEvent.KEY_RELEASED: |
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keyReleased(e); |
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break; |
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case KeyEvent.KEY_TYPED: |
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keyTyped(e); |
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break; |
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} |
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} |
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public void keyTyped(KeyEvent e) {} |
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public void keyPressed(KeyEvent e) { |
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if (e.getKeyCode() == KeyEvent.VK_SPACE) |
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{ |
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//pressed=true; |
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//armed=true; |
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//selected=!selected; |
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action(!selected); |
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//repaint(); // Gets the repaint from action() |
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} |
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} |
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public void keyReleased(KeyEvent e) {} |
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public void setLabel(java.lang.String label) { |
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if ( label == null ) { |
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this.label = ""; |
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} else { |
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this.label = label; |
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} |
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layout(); |
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repaint(); |
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} |
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void handleJavaMouseEvent(MouseEvent e) { |
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super.handleJavaMouseEvent(e); |
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int i = e.getID(); |
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switch (i) { |
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case MouseEvent.MOUSE_PRESSED: |
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mousePressed(e); |
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break; |
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case MouseEvent.MOUSE_RELEASED: |
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mouseReleased(e); |
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break; |
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case MouseEvent.MOUSE_ENTERED: |
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mouseEntered(e); |
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break; |
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case MouseEvent.MOUSE_EXITED: |
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mouseExited(e); |
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break; |
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case MouseEvent.MOUSE_CLICKED: |
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mouseClicked(e); |
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break; |
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} |
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} |
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public void mousePressed(MouseEvent e) { |
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if (XToolkit.isLeftMouseButton(e)) { |
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Checkbox cb = (Checkbox) e.getSource(); |
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if (cb.contains(e.getX(), e.getY())) { |
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if (log.isLoggable(PlatformLogger.FINER)) { |
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log.finer("mousePressed() on " + target.getName() + " : armed = " + armed + ", pressed = " + pressed |
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+ ", selected = " + selected + ", enabled = " + isEnabled()); |
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} |
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if (!isEnabled()) { |
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// Disabled buttons ignore all input... |
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return; |
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} |
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if (!armed) { |
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armed = true; |
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} |
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pressed = true; |
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repaint(); |
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} |
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} |
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} |
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public void mouseReleased(MouseEvent e) { |
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if (log.isLoggable(PlatformLogger.FINER)) { |
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log.finer("mouseReleased() on " + target.getName() + ": armed = " + armed + ", pressed = " + pressed |
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+ ", selected = " + selected + ", enabled = " + isEnabled()); |
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} |
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boolean sendEvent = false; |
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if (XToolkit.isLeftMouseButton(e)) { |
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// TODO: Multiclick Threshold? - see BasicButtonListener.java |
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if (armed) { |
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//selected = !selected; |
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// send action event |
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//action(e.getWhen(),e.getModifiers()); |
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sendEvent = true; |
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} |
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pressed = false; |
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armed = false; |
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if (sendEvent) { |
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action(!selected); // Also gets repaint in action() |
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} |
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else { |
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repaint(); |
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} |
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} |
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} |
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public void mouseEntered(MouseEvent e) { |
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if (log.isLoggable(PlatformLogger.FINER)) { |
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log.finer("mouseEntered() on " + target.getName() + ": armed = " + armed + ", pressed = " + pressed |
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+ ", selected = " + selected + ", enabled = " + isEnabled()); |
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} |
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if (pressed) { |
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armed = true; |
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repaint(); |
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} |
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} |
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public void mouseExited(MouseEvent e) { |
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if (log.isLoggable(PlatformLogger.FINER)) { |
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log.finer("mouseExited() on " + target.getName() + ": armed = " + armed + ", pressed = " + pressed |
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+ ", selected = " + selected + ", enabled = " + isEnabled()); |
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} |
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if (armed) { |
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armed = false; |
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repaint(); |
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} |
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} |
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public void mouseClicked(MouseEvent e) {} |
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public Dimension getMinimumSize() { |
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/* |
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* Spacing (number of pixels between check mark and label text) is |
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* currently set to 0, but in case it ever changes we have to add |
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* it. 8 is a heuristic number. Indicator size depends on font |
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* height, so we don't need to include it in checkbox's height |
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* calculation. |
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*/ |
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FontMetrics fm = getFontMetrics(getPeerFont()); |
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int wdth = fm.stringWidth(label) + getCheckboxSize(fm) + (2 * checkBoxInsetFromText) + 8; |
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int hght = Math.max(fm.getHeight() + 8, 15); |
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return new Dimension(wdth, hght); |
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} |
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private int getCheckboxSize(FontMetrics fm) { |
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// the motif way of sizing is a bit inscutible, but this |
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// is a fair approximation |
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return (fm.getHeight() * 76 / 100) - 1; |
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} |
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public void setBackground(Color c) { |
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updateMotifColors(c); |
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super.setBackground(c); |
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} |
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/* |
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* Layout the checkbox/radio button and text label |
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*/ |
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public void layout() { |
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Dimension size = getPeerSize(); |
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Font f = getPeerFont(); |
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FontMetrics fm = getFontMetrics(f); |
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String text = label; |
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checkBoxSize = getCheckboxSize(fm); |
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// Note - Motif appears to use an left inset that is slightly |
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// scaled to the checkbox/font size. |
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cbX = borderInsets.left + checkBoxInsetFromText; |
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cbY = size.height / 2 - checkBoxSize / 2; |
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int minTextX = borderInsets.left + 2 * checkBoxInsetFromText + checkBoxSize; |
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// FIXME: will need to account for alignment? |
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// FIXME: call layout() on alignment changes |
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//textRect.width = fm.stringWidth(text); |
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textRect.width = fm.stringWidth(text == null ? "" : text); |
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textRect.height = fm.getHeight(); |
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textRect.x = Math.max(minTextX, size.width / 2 - textRect.width / 2); |
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textRect.y = (size.height - textRect.height) / 2; |
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293 |
focusRect.x = focusInsets.left; |
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focusRect.y = focusInsets.top; |
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focusRect.width = size.width-(focusInsets.left+focusInsets.right)-1; |
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focusRect.height = size.height-(focusInsets.top+focusInsets.bottom)-1; |
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double fsize = (double) checkBoxSize; |
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myCheckMark = AffineTransform.getScaleInstance(fsize / MASTER_SIZE, fsize / MASTER_SIZE).createTransformedShape(MASTER_CHECKMARK); |
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} |
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@Override |
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void paintPeer(final Graphics g) { |
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//layout(); |
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Dimension size = getPeerSize(); |
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Font f = getPeerFont(); |
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flush(); |
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g.setColor(getPeerBackground()); // erase the existing button |
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g.fillRect(0,0, size.width, size.height); |
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if (label != null) { |
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g.setFont(f); |
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paintText(g, textRect, label); |
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} |
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if (hasFocus()) { |
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paintFocus(g, |
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focusRect.x, |
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focusRect.y, |
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focusRect.width, |
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focusRect.height); |
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} |
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// Paint the checkbox or radio button |
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if (checkBoxGroup == null) { |
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paintCheckbox(g, cbX, cbY, checkBoxSize, checkBoxSize); |
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} |
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else { |
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326 |
paintRadioButton(g, cbX, cbY, checkBoxSize, checkBoxSize); |
2 | 327 |
} |
328 |
flush(); |
|
329 |
} |
|
330 |
||
331 |
// You'll note this looks suspiciously like paintBorder |
|
332 |
public void paintCheckbox(Graphics g, |
|
333 |
int x, int y, int w, int h) { |
|
334 |
boolean useBufferedImage = false; |
|
335 |
BufferedImage buffer = null; |
|
336 |
Graphics2D g2 = null; |
|
337 |
int rx = x; |
|
338 |
int ry = y; |
|
339 |
if (!(g instanceof Graphics2D)) { |
|
340 |
// Fix for 5045936. While printing, g is an instance of |
|
341 |
// sun.print.ProxyPrintGraphics which extends Graphics. So |
|
342 |
// we use a separate buffered image and its graphics is |
|
343 |
// always Graphics2D instance |
|
344 |
buffer = graphicsConfig.createCompatibleImage(w, h); |
|
345 |
g2 = buffer.createGraphics(); |
|
346 |
useBufferedImage = true; |
|
347 |
rx = 0; |
|
348 |
ry = 0; |
|
349 |
} |
|
350 |
else { |
|
351 |
g2 = (Graphics2D)g; |
|
352 |
} |
|
353 |
try { |
|
354 |
drawMotif3DRect(g2, rx, ry, w-1, h-1, armed | selected); |
|
355 |
||
356 |
// then paint the check |
|
357 |
g2.setColor((armed | selected) ? selectColor : getPeerBackground()); |
|
358 |
g2.fillRect(rx+1, ry+1, w-2, h-2); |
|
359 |
||
360 |
if (armed | selected) { |
|
361 |
//Paint the check |
|
362 |
||
363 |
// FIXME: is this the right color? |
|
364 |
g2.setColor(getPeerForeground()); |
|
365 |
||
366 |
AffineTransform af = g2.getTransform(); |
|
367 |
g2.setTransform(AffineTransform.getTranslateInstance(rx,ry)); |
|
368 |
g2.fill(myCheckMark); |
|
369 |
g2.setTransform(af); |
|
370 |
} |
|
371 |
} finally { |
|
372 |
if (useBufferedImage) { |
|
373 |
g2.dispose(); |
|
374 |
} |
|
375 |
} |
|
376 |
if (useBufferedImage) { |
|
377 |
g.drawImage(buffer, x, y, null); |
|
378 |
} |
|
379 |
} |
|
380 |
public void setFont(Font f) { |
|
381 |
super.setFont(f); |
|
382 |
target.repaint(); |
|
383 |
} |
|
384 |
||
385 |
public void paintRadioButton(Graphics g, int x, int y, int w, int h) { |
|
386 |
||
387 |
g.setColor((armed | selected) ? darkShadow : lightShadow); |
|
388 |
g.drawArc(x-1, y-1, w+2, h+2, 45, 180); |
|
389 |
||
390 |
g.setColor((armed | selected) ? lightShadow : darkShadow); |
|
391 |
g.drawArc(x-1, y-1, w+2, h+2, 45, -180); |
|
392 |
||
393 |
if (armed | selected) { |
|
394 |
g.setColor(selectColor); |
|
395 |
g.fillArc(x+1, y+1, w-1, h-1, 0, 360); |
|
396 |
} |
|
397 |
} |
|
398 |
||
399 |
protected void paintText(Graphics g, Rectangle textRect, String text) { |
|
400 |
FontMetrics fm = g.getFontMetrics(); |
|
401 |
||
402 |
int mnemonicIndex = -1; |
|
403 |
||
404 |
if(isEnabled()) { |
|
405 |
/*** paint the text normally */ |
|
406 |
g.setColor(getPeerForeground()); |
|
407 |
BasicGraphicsUtils.drawStringUnderlineCharAt(g,text,mnemonicIndex , textRect.x , textRect.y + fm.getAscent() ); |
|
408 |
} |
|
409 |
else { |
|
410 |
/*** paint the text disabled ***/ |
|
411 |
g.setColor(getPeerBackground().brighter()); |
|
412 |
||
413 |
BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex, |
|
414 |
textRect.x, textRect.y + fm.getAscent()); |
|
415 |
g.setColor(getPeerBackground().darker()); |
|
416 |
BasicGraphicsUtils.drawStringUnderlineCharAt(g,text, mnemonicIndex, |
|
417 |
textRect.x - 1, textRect.y + fm.getAscent() - 1); |
|
418 |
} |
|
419 |
} |
|
420 |
||
421 |
// TODO: copied directly from XButtonPeer. Should probabaly be shared |
|
422 |
protected void paintFocus(Graphics g, int x, int y, int w, int h) { |
|
423 |
g.setColor(focusColor); |
|
424 |
g.drawRect(x,y,w,h); |
|
425 |
} |
|
426 |
||
427 |
public void setState(boolean state) { |
|
428 |
if (selected != state) { |
|
429 |
selected = state; |
|
430 |
repaint(); |
|
431 |
} |
|
432 |
} |
|
433 |
public void setCheckboxGroup(CheckboxGroup g) { |
|
434 |
// If changed from grouped/ungrouped, need to repaint() |
|
435 |
checkBoxGroup = g; |
|
436 |
repaint(); |
|
437 |
} |
|
438 |
||
439 |
// NOTE: This method is called by privileged threads. |
|
440 |
// DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
|
441 |
// From MCheckboxPeer |
|
442 |
void action(boolean state) { |
|
443 |
final Checkbox cb = (Checkbox)target; |
|
444 |
final boolean newState = state; |
|
445 |
XToolkit.executeOnEventHandlerThread(cb, new Runnable() { |
|
446 |
public void run() { |
|
447 |
CheckboxGroup cbg = checkBoxGroup; |
|
448 |
// Bugid 4039594. If this is the current Checkbox in |
|
449 |
// a CheckboxGroup, then return to prevent deselection. |
|
450 |
// Otherwise, it's logical state will be turned off, |
|
451 |
// but it will appear on. |
|
452 |
if ((cbg != null) && (cbg.getSelectedCheckbox() == cb) && |
|
453 |
cb.getState()) { |
|
454 |
//inUpCall = false; |
|
455 |
cb.setState(true); |
|
456 |
return; |
|
457 |
} |
|
458 |
// All clear - set the new state |
|
459 |
cb.setState(newState); |
|
460 |
notifyStateChanged(newState); |
|
461 |
} |
|
462 |
}); |
|
463 |
} |
|
464 |
||
465 |
void notifyStateChanged(boolean state) { |
|
466 |
Checkbox cb = (Checkbox) target; |
|
467 |
ItemEvent e = new ItemEvent(cb, |
|
468 |
ItemEvent.ITEM_STATE_CHANGED, |
|
469 |
cb.getLabel(), |
|
470 |
state ? ItemEvent.SELECTED : ItemEvent.DESELECTED); |
|
471 |
postEvent(e); |
|
472 |
} |
|
473 |
} |