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1: /* BasicButtonListener.java -- 2: Copyright (C) 2004, 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package javax.swing.plaf.basic; 40: 41: import java.awt.event.ActionEvent; 42: import java.awt.event.FocusEvent; 43: import java.awt.event.FocusListener; 44: import java.awt.event.InputEvent; 45: import java.awt.event.MouseEvent; 46: import java.awt.event.MouseListener; 47: import java.awt.event.MouseMotionListener; 48: import java.beans.PropertyChangeEvent; 49: import java.beans.PropertyChangeListener; 50: 51: import javax.swing.AbstractAction; 52: import javax.swing.AbstractButton; 53: import javax.swing.ButtonModel; 54: import javax.swing.JComponent; 55: import javax.swing.event.ChangeEvent; 56: import javax.swing.event.ChangeListener; 57: 58: public class BasicButtonListener implements MouseListener, MouseMotionListener, 59: FocusListener, ChangeListener, PropertyChangeListener 60: { 61: public BasicButtonListener(AbstractButton b) 62: { 63: // Do nothing here. 64: } 65: 66: public void propertyChange(PropertyChangeEvent e) 67: { 68: // TODO: What should be done here, if anything? 69: } 70: 71: protected void checkOpacity(AbstractButton b) 72: { 73: // TODO: What should be done here? 74: } 75: 76: public void focusGained(FocusEvent e) 77: { 78: if (e.getSource() instanceof AbstractButton) 79: { 80: AbstractButton button = (AbstractButton) e.getSource(); 81: if (button.isFocusPainted()) 82: button.repaint(); 83: } 84: } 85: 86: public void focusLost(FocusEvent e) 87: { 88: if (e.getSource() instanceof AbstractButton) 89: { 90: AbstractButton button = (AbstractButton) e.getSource(); 91: if (button.isFocusPainted()) 92: button.repaint(); 93: } 94: } 95: 96: public void installKeyboardActions(JComponent c) 97: { 98: c.getActionMap().put("pressed", 99: new AbstractAction() 100: { 101: public void actionPerformed(ActionEvent e) 102: { 103: AbstractButton button = (AbstractButton) e.getSource(); 104: ButtonModel model = button.getModel(); 105: // It is important that these transitions happen in this order. 106: model.setArmed(true); 107: model.setPressed(true); 108: } 109: }); 110: 111: c.getActionMap().put("released", 112: new AbstractAction() 113: { 114: public void actionPerformed(ActionEvent e) 115: { 116: AbstractButton button = (AbstractButton) e.getSource(); 117: ButtonModel model = button.getModel(); 118: // It is important that these transitions happen in this order. 119: model.setPressed(false); 120: model.setArmed(false); 121: } 122: }); 123: } 124: 125: public void uninstallKeyboardActions(JComponent c) 126: { 127: c.getActionMap().put("pressed", null); 128: c.getActionMap().put("released", null); 129: } 130: 131: public void stateChanged(ChangeEvent e) 132: { 133: // TODO: What should be done here, if anything? 134: } 135: 136: public void mouseMoved(MouseEvent e) 137: { 138: // TODO: What should be done here, if anything? 139: } 140: 141: public void mouseDragged(MouseEvent e) 142: { 143: // TODO: What should be done here, if anything? 144: } 145: 146: public void mouseClicked(MouseEvent e) 147: { 148: // TODO: What should be done here, if anything? 149: } 150: 151: /** 152: * Accept a mouse press event and arm the button. 153: * 154: * @param e The mouse press event to accept 155: */ 156: public void mousePressed(MouseEvent e) 157: { 158: if (e.getSource() instanceof AbstractButton) 159: { 160: AbstractButton button = (AbstractButton) e.getSource(); 161: ButtonModel model = button.getModel(); 162: if (e.getButton() == MouseEvent.BUTTON1) 163: { 164: // It is important that these transitions happen in this order. 165: model.setArmed(true); 166: model.setPressed(true); 167: } 168: } 169: } 170: 171: /** 172: * Accept a mouse release event and set the button's 173: * "pressed" property to <code>true</code>, if the model 174: * is armed. If the model is not armed, ignore the event. 175: * 176: * @param e The mouse release event to accept 177: */ 178: public void mouseReleased(MouseEvent e) 179: { 180: if (e.getSource() instanceof AbstractButton) 181: { 182: AbstractButton button = (AbstractButton) e.getSource(); 183: ButtonModel model = button.getModel(); 184: if (e.getButton() == MouseEvent.BUTTON1) 185: { 186: // It is important that these transitions happen in this order. 187: model.setPressed(false); 188: model.setArmed(false); 189: } 190: } 191: } 192: 193: /** 194: * Accept a mouse enter event and set the button's "rollover" property to 195: * <code>true</code>, if the button's "rolloverEnabled" property is 196: * <code>true</code>. If the button is currently armed and the mouse 197: * button is not held down, this enter event will also disarm the model. 198: * 199: * @param e The mouse enter event to accept 200: */ 201: public void mouseEntered(MouseEvent e) 202: { 203: if (e.getSource() instanceof AbstractButton) 204: { 205: AbstractButton button = (AbstractButton) e.getSource(); 206: ButtonModel model = button.getModel(); 207: if (button.isRolloverEnabled()) 208: model.setRollover(true); 209: 210: if (model.isPressed() 211: && (e.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) != 0) 212: model.setArmed(true); 213: else 214: model.setArmed(false); 215: } 216: } 217: 218: /** 219: * Accept a mouse exit event and set the button's model's "rollover" 220: * property to <code>false</code>, if it's "rolloverEnabled" property is 221: * <code>true</code>. Also disarm the button. 222: * 223: * @param e The mouse exit event to accept 224: */ 225: public void mouseExited(MouseEvent e) 226: { 227: if (e.getSource() instanceof AbstractButton) 228: { 229: AbstractButton button = (AbstractButton) e.getSource(); 230: ButtonModel model = button.getModel(); 231: if (button.isRolloverEnabled()) 232: model.setRollover(false); 233: model.setArmed(false); 234: } 235: } 236: }
GNU Classpath (0.20) |