| /* |
| * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.basic; |
| |
| import sun.swing.DefaultLookup; |
| import sun.swing.SwingUtilities2; |
| import sun.swing.UIAction; |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.beans.*; |
| import javax.swing.*; |
| import javax.swing.event.*; |
| import javax.swing.plaf.ActionMapUIResource; |
| import javax.swing.plaf.ButtonUI; |
| import javax.swing.plaf.ComponentInputMapUIResource; |
| |
| /** |
| * Button Listener |
| * |
| * @author Jeff Dinkins |
| * @author Arnaud Weber (keyboard UI support) |
| */ |
| |
| public class BasicButtonListener implements MouseListener, MouseMotionListener, |
| FocusListener, ChangeListener, PropertyChangeListener |
| { |
| private long lastPressedTimestamp = -1; |
| private boolean shouldDiscardRelease = false; |
| |
| /** |
| * Populates Buttons actions. |
| */ |
| static void loadActionMap(LazyActionMap map) { |
| map.put(new Actions(Actions.PRESS)); |
| map.put(new Actions(Actions.RELEASE)); |
| } |
| |
| |
| /** |
| * Constructs a new instance of {@code BasicButtonListener}. |
| * |
| * @param b an abstract button |
| */ |
| public BasicButtonListener(AbstractButton b) { |
| } |
| |
| public void propertyChange(PropertyChangeEvent e) { |
| String prop = e.getPropertyName(); |
| if(prop == AbstractButton.MNEMONIC_CHANGED_PROPERTY) { |
| updateMnemonicBinding((AbstractButton)e.getSource()); |
| } |
| else if(prop == AbstractButton.CONTENT_AREA_FILLED_CHANGED_PROPERTY) { |
| checkOpacity((AbstractButton) e.getSource() ); |
| } |
| else if(prop == AbstractButton.TEXT_CHANGED_PROPERTY || "font" == prop |
| || "foreground" == prop || SwingUtilities2.isScaleChanged(e)) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| BasicHTML.updateRenderer(b, b.getText()); |
| } |
| } |
| |
| /** |
| * Checks the opacity of the {@code AbstractButton}. |
| * |
| * @param b an abstract button |
| */ |
| protected void checkOpacity(AbstractButton b) { |
| b.setOpaque( b.isContentAreaFilled() ); |
| } |
| |
| /** |
| * Register default key actions: pressing space to "click" a |
| * button and registering the keyboard mnemonic (if any). |
| * |
| * @param c a component |
| */ |
| public void installKeyboardActions(JComponent c) { |
| AbstractButton b = (AbstractButton)c; |
| // Update the mnemonic binding. |
| updateMnemonicBinding(b); |
| |
| LazyActionMap.installLazyActionMap(c, BasicButtonListener.class, |
| "Button.actionMap"); |
| |
| InputMap km = getInputMap(JComponent.WHEN_FOCUSED, c); |
| |
| SwingUtilities.replaceUIInputMap(c, JComponent.WHEN_FOCUSED, km); |
| } |
| |
| /** |
| * Unregister default key actions. |
| * |
| * @param c a component |
| */ |
| public void uninstallKeyboardActions(JComponent c) { |
| SwingUtilities.replaceUIInputMap(c, JComponent. |
| WHEN_IN_FOCUSED_WINDOW, null); |
| SwingUtilities.replaceUIInputMap(c, JComponent.WHEN_FOCUSED, null); |
| SwingUtilities.replaceUIActionMap(c, null); |
| } |
| |
| /** |
| * Returns the InputMap for condition <code>condition</code>. Called as |
| * part of <code>installKeyboardActions</code>. |
| */ |
| InputMap getInputMap(int condition, JComponent c) { |
| if (condition == JComponent.WHEN_FOCUSED) { |
| BasicButtonUI ui = (BasicButtonUI)BasicLookAndFeel.getUIOfType( |
| ((AbstractButton)c).getUI(), BasicButtonUI.class); |
| if (ui != null) { |
| return (InputMap)DefaultLookup.get( |
| c, ui, ui.getPropertyPrefix() + "focusInputMap"); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Resets the binding for the mnemonic in the WHEN_IN_FOCUSED_WINDOW |
| * UI InputMap. |
| */ |
| void updateMnemonicBinding(AbstractButton b) { |
| int m = b.getMnemonic(); |
| if(m != 0) { |
| InputMap map = SwingUtilities.getUIInputMap( |
| b, JComponent.WHEN_IN_FOCUSED_WINDOW); |
| |
| if (map == null) { |
| map = new ComponentInputMapUIResource(b); |
| SwingUtilities.replaceUIInputMap(b, |
| JComponent.WHEN_IN_FOCUSED_WINDOW, map); |
| } |
| map.clear(); |
| map.put(KeyStroke.getKeyStroke(m, BasicLookAndFeel.getFocusAcceleratorKeyMask(), false), |
| "pressed"); |
| map.put(KeyStroke.getKeyStroke(m, SwingUtilities2.setAltGraphMask |
| (BasicLookAndFeel.getFocusAcceleratorKeyMask()), |
| false), |
| "pressed"); |
| |
| map.put(KeyStroke.getKeyStroke(m, BasicLookAndFeel.getFocusAcceleratorKeyMask(), true), |
| "released"); |
| map.put(KeyStroke.getKeyStroke(m, |
| SwingUtilities2.setAltGraphMask |
| (BasicLookAndFeel.getFocusAcceleratorKeyMask()), true), |
| "released"); |
| map.put(KeyStroke.getKeyStroke(m, 0, true), "released"); |
| } |
| else { |
| InputMap map = SwingUtilities.getUIInputMap(b, JComponent. |
| WHEN_IN_FOCUSED_WINDOW); |
| if (map != null) { |
| map.clear(); |
| } |
| } |
| } |
| |
| public void stateChanged(ChangeEvent e) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| b.repaint(); |
| } |
| |
| public void focusGained(FocusEvent e) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| if (b instanceof JButton && ((JButton)b).isDefaultCapable()) { |
| JRootPane root = b.getRootPane(); |
| if (root != null) { |
| BasicButtonUI ui = (BasicButtonUI)BasicLookAndFeel.getUIOfType( |
| b.getUI(), BasicButtonUI.class); |
| if (ui != null && DefaultLookup.getBoolean(b, ui, |
| ui.getPropertyPrefix() + |
| "defaultButtonFollowsFocus", true)) { |
| root.putClientProperty("temporaryDefaultButton", b); |
| root.setDefaultButton((JButton)b); |
| root.putClientProperty("temporaryDefaultButton", null); |
| } |
| } |
| } |
| b.repaint(); |
| } |
| |
| public void focusLost(FocusEvent e) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| JRootPane root = b.getRootPane(); |
| if (root != null) { |
| JButton initialDefault = (JButton)root.getClientProperty("initialDefaultButton"); |
| if (b != initialDefault) { |
| BasicButtonUI ui = (BasicButtonUI)BasicLookAndFeel.getUIOfType( |
| b.getUI(), BasicButtonUI.class); |
| if (ui != null && DefaultLookup.getBoolean(b, ui, |
| ui.getPropertyPrefix() + |
| "defaultButtonFollowsFocus", true)) { |
| root.setDefaultButton(initialDefault); |
| } |
| } |
| } |
| |
| ButtonModel model = b.getModel(); |
| model.setPressed(false); |
| model.setArmed(false); |
| b.repaint(); |
| } |
| |
| public void mouseMoved(MouseEvent e) { |
| } |
| |
| |
| public void mouseDragged(MouseEvent e) { |
| } |
| |
| public void mouseClicked(MouseEvent e) { |
| } |
| |
| public void mousePressed(MouseEvent e) { |
| if (SwingUtilities.isLeftMouseButton(e) ) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| |
| if(b.contains(e.getX(), e.getY())) { |
| long lastTime = lastPressedTimestamp; |
| lastPressedTimestamp = e.getWhen(); |
| long timeSinceLastClick = lastPressedTimestamp - lastTime; |
| if (lastTime != -1 && |
| timeSinceLastClick > 0 && |
| timeSinceLastClick < b.getMultiClickThreshhold()) { |
| |
| shouldDiscardRelease = true; |
| return; |
| } |
| |
| ButtonModel model = b.getModel(); |
| if (!model.isEnabled()) { |
| // Disabled buttons ignore all input... |
| return; |
| } |
| if (!model.isArmed()) { |
| // button not armed, should be |
| model.setArmed(true); |
| } |
| model.setPressed(true); |
| if(!b.hasFocus() && b.isRequestFocusEnabled()) { |
| b.requestFocus(); |
| } |
| } |
| } |
| } |
| |
| public void mouseReleased(MouseEvent e) { |
| if (SwingUtilities.isLeftMouseButton(e)) { |
| // Support for multiClickThreshhold |
| if (shouldDiscardRelease) { |
| shouldDiscardRelease = false; |
| return; |
| } |
| AbstractButton b = (AbstractButton) e.getSource(); |
| ButtonModel model = b.getModel(); |
| model.setPressed(false); |
| model.setArmed(false); |
| } |
| } |
| |
| public void mouseEntered(MouseEvent e) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| ButtonModel model = b.getModel(); |
| if (b.isRolloverEnabled() && !SwingUtilities.isLeftMouseButton(e)) { |
| model.setRollover(true); |
| } |
| if (model.isPressed()) |
| model.setArmed(true); |
| } |
| |
| public void mouseExited(MouseEvent e) { |
| AbstractButton b = (AbstractButton) e.getSource(); |
| ButtonModel model = b.getModel(); |
| if(b.isRolloverEnabled()) { |
| model.setRollover(false); |
| } |
| model.setArmed(false); |
| } |
| |
| |
| /** |
| * Actions for Buttons. Two types of action are supported: |
| * pressed: Moves the button to a pressed state |
| * released: Disarms the button. |
| */ |
| private static class Actions extends UIAction { |
| private static final String PRESS = "pressed"; |
| private static final String RELEASE = "released"; |
| |
| Actions(String name) { |
| super(name); |
| } |
| |
| public void actionPerformed(ActionEvent e) { |
| AbstractButton b = (AbstractButton)e.getSource(); |
| String key = getName(); |
| if (key == PRESS) { |
| ButtonModel model = b.getModel(); |
| model.setArmed(true); |
| model.setPressed(true); |
| if(!b.hasFocus()) { |
| b.requestFocus(); |
| } |
| } |
| else if (key == RELEASE) { |
| ButtonModel model = b.getModel(); |
| model.setPressed(false); |
| model.setArmed(false); |
| } |
| } |
| |
| @Override |
| public boolean accept(Object sender) { |
| return !((sender instanceof AbstractButton) && |
| !((AbstractButton)sender).getModel().isEnabled()); |
| } |
| } |
| } |
