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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package javax.swing.plaf.basic; | |
| 27 | + | |
| 28 | +import java.awt.*; | |
| 29 | +import java.awt.event.*; | |
| 30 | +import javax.swing.*; | |
| 31 | +import javax.swing.event.*; | |
| 32 | +import javax.swing.border.*; | |
| 33 | +import javax.swing.plaf.*; | |
| 34 | +import java.beans.*; | |
| 35 | + | |
| 36 | +/** | |
| 37 | + * Basic L&F for a minimized window on a desktop. | |
| 38 | + * | |
| 39 | + * @author David Kloba | |
| 40 | + * @author Steve Wilson | |
| 41 | + * @author Rich Schiavi | |
| 42 | + */ | |
| 43 | +public class BasicDesktopIconUI extends DesktopIconUI { | |
| 44 | + | |
| 45 | + protected JInternalFrame.JDesktopIcon desktopIcon; | |
| 46 | + protected JInternalFrame frame; | |
| 47 | + | |
| 48 | + /** | |
| 49 | + * The title pane component used in the desktop icon. | |
| 50 | + * | |
| 51 | + * @since 1.5 | |
| 52 | + */ | |
| 53 | + protected JComponent iconPane; | |
| 54 | + MouseInputListener mouseInputListener; | |
| 55 | + | |
| 56 | + | |
| 57 | + | |
| 58 | + public static ComponentUI createUI(JComponent c) { | |
| 59 | + return new BasicDesktopIconUI(); | |
| 60 | + } | |
| 61 | + | |
| 62 | + public BasicDesktopIconUI() { | |
| 63 | + } | |
| 64 | + | |
| 65 | + public void installUI(JComponent c) { | |
| 66 | + desktopIcon = (JInternalFrame.JDesktopIcon)c; | |
| 67 | + frame = desktopIcon.getInternalFrame(); | |
| 68 | + installDefaults(); | |
| 69 | + installComponents(); | |
| 70 | + | |
| 71 | + // Update icon layout if frame is already iconified | |
| 72 | + JInternalFrame f = desktopIcon.getInternalFrame(); | |
| 73 | + if (f.isIcon() && f.getParent() == null) { | |
| 74 | + JDesktopPane desktop = desktopIcon.getDesktopPane(); | |
| 75 | + if (desktop != null) { | |
| 76 | + DesktopManager desktopManager = desktop.getDesktopManager(); | |
| 77 | + if (desktopManager instanceof DefaultDesktopManager) { | |
| 78 | + desktopManager.iconifyFrame(f); | |
| 79 | + } | |
| 80 | + } | |
| 81 | + } | |
| 82 | + | |
| 83 | + installListeners(); | |
| 84 | + JLayeredPane.putLayer(desktopIcon, JLayeredPane.getLayer(frame)); | |
| 85 | + } | |
| 86 | + | |
| 87 | + public void uninstallUI(JComponent c) { | |
| 88 | + uninstallDefaults(); | |
| 89 | + uninstallComponents(); | |
| 90 | + | |
| 91 | + // Force future UI to relayout icon | |
| 92 | + JInternalFrame f = desktopIcon.getInternalFrame(); | |
| 93 | + if (f.isIcon()) { | |
| 94 | + JDesktopPane desktop = desktopIcon.getDesktopPane(); | |
| 95 | + if (desktop != null) { | |
| 96 | + DesktopManager desktopManager = desktop.getDesktopManager(); | |
| 97 | + if (desktopManager instanceof DefaultDesktopManager) { | |
| 98 | + // This will cause DefaultDesktopManager to layout the icon | |
| 99 | + f.putClientProperty("wasIconOnce", null); | |
| 100 | + // Move aside to allow fresh layout of all icons | |
| 101 | + desktopIcon.setLocation(Integer.MIN_VALUE, 0); | |
| 102 | + } | |
| 103 | + } | |
| 104 | + } | |
| 105 | + | |
| 106 | + uninstallListeners(); | |
| 107 | + frame = null; | |
| 108 | + desktopIcon = null; | |
| 109 | + } | |
| 110 | + | |
| 111 | + protected void installComponents() { | |
| 112 | + iconPane = new BasicInternalFrameTitlePane(frame); | |
| 113 | + desktopIcon.setLayout(new BorderLayout()); | |
| 114 | + desktopIcon.add(iconPane, BorderLayout.CENTER); | |
| 115 | + } | |
| 116 | + | |
| 117 | + protected void uninstallComponents() { | |
| 118 | + desktopIcon.remove(iconPane); | |
| 119 | + desktopIcon.setLayout(null); | |
| 120 | + iconPane = null; | |
| 121 | + } | |
| 122 | + | |
| 123 | + protected void installListeners() { | |
| 124 | + mouseInputListener = createMouseInputListener(); | |
| 125 | + desktopIcon.addMouseMotionListener(mouseInputListener); | |
| 126 | + desktopIcon.addMouseListener(mouseInputListener); | |
| 127 | + } | |
| 128 | + | |
| 129 | + protected void uninstallListeners() { | |
| 130 | + desktopIcon.removeMouseMotionListener(mouseInputListener); | |
| 131 | + desktopIcon.removeMouseListener(mouseInputListener); | |
| 132 | + mouseInputListener = null; | |
| 133 | + } | |
| 134 | + | |
| 135 | + protected void installDefaults() { | |
| 136 | + LookAndFeel.installBorder(desktopIcon, "DesktopIcon.border"); | |
| 137 | + LookAndFeel.installProperty(desktopIcon, "opaque", Boolean.TRUE); | |
| 138 | + } | |
| 139 | + | |
| 140 | + protected void uninstallDefaults() { | |
| 141 | + LookAndFeel.uninstallBorder(desktopIcon); | |
| 142 | + } | |
| 143 | + | |
| 144 | + protected MouseInputListener createMouseInputListener() { | |
| 145 | + return new MouseInputHandler(); | |
| 146 | + } | |
| 147 | + | |
| 148 | + public Dimension getPreferredSize(JComponent c) { | |
| 149 | + return desktopIcon.getLayout().preferredLayoutSize(desktopIcon); | |
| 150 | + } | |
| 151 | + | |
| 152 | + public Dimension getMinimumSize(JComponent c) { | |
| 153 | + Dimension dim = new Dimension(iconPane.getMinimumSize()); | |
| 154 | + Border border = frame.getBorder(); | |
| 155 | + | |
| 156 | + if (border != null) { | |
| 157 | + dim.height += border.getBorderInsets(frame).bottom + | |
| 158 | + border.getBorderInsets(frame).top; | |
| 159 | + } | |
| 160 | + return dim; | |
| 161 | + } | |
| 162 | + | |
| 163 | + /** | |
| 164 | + * Desktop icons can not be resized. Therefore, we should always | |
| 165 | + * return the minimum size of the desktop icon. | |
| 166 | + * | |
| 167 | + * @see #getMinimumSize | |
| 168 | + */ | |
| 169 | + public Dimension getMaximumSize(JComponent c){ | |
| 170 | + return iconPane.getMaximumSize(); | |
| 171 | + } | |
| 172 | + | |
| 173 | + public Insets getInsets(JComponent c) { | |
| 174 | + JInternalFrame iframe = desktopIcon.getInternalFrame(); | |
| 175 | + Border border = iframe.getBorder(); | |
| 176 | + if(border != null) | |
| 177 | + return border.getBorderInsets(iframe); | |
| 178 | + | |
| 179 | + return new Insets(0,0,0,0); | |
| 180 | + } | |
| 181 | + | |
| 182 | + public void deiconize() { | |
| 183 | + try { frame.setIcon(false); } catch (PropertyVetoException e2) { } | |
| 184 | + } | |
| 185 | + | |
| 186 | + /** | |
| 187 | + * Listens for mouse movements and acts on them. | |
| 188 | + * | |
| 189 | + * This class should be treated as a "protected" inner class. | |
| 190 | + * Instantiate it only within subclasses of {@code BasicDesktopIconUI}. | |
| 191 | + */ | |
| 192 | + public class MouseInputHandler extends MouseInputAdapter | |
| 193 | + { | |
| 194 | + // _x & _y are the mousePressed location in absolute coordinate system | |
| 195 | + int _x, _y; | |
| 196 | + // __x & __y are the mousePressed location in source view's coordinate system | |
| 197 | + int __x, __y; | |
| 198 | + Rectangle startingBounds; | |
| 199 | + | |
| 200 | + public void mouseReleased(MouseEvent e) { | |
| 201 | + _x = 0; | |
| 202 | + _y = 0; | |
| 203 | + __x = 0; | |
| 204 | + __y = 0; | |
| 205 | + startingBounds = null; | |
| 206 | + | |
| 207 | + JDesktopPane d; | |
| 208 | + if((d = desktopIcon.getDesktopPane()) != null) { | |
| 209 | + DesktopManager dm = d.getDesktopManager(); | |
| 210 | + dm.endDraggingFrame(desktopIcon); | |
| 211 | + } | |
| 212 | + | |
| 213 | + } | |
| 214 | + | |
| 215 | + public void mousePressed(MouseEvent e) { | |
| 216 | + Point p = SwingUtilities.convertPoint((Component)e.getSource(), | |
| 217 | + e.getX(), e.getY(), null); | |
| 218 | + __x = e.getX(); | |
| 219 | + __y = e.getY(); | |
| 220 | + _x = p.x; | |
| 221 | + _y = p.y; | |
| 222 | + startingBounds = desktopIcon.getBounds(); | |
| 223 | + | |
| 224 | + JDesktopPane d; | |
| 225 | + if((d = desktopIcon.getDesktopPane()) != null) { | |
| 226 | + DesktopManager dm = d.getDesktopManager(); | |
| 227 | + dm.beginDraggingFrame(desktopIcon); | |
| 228 | + } | |
| 229 | + | |
| 230 | + try { frame.setSelected(true); } catch (PropertyVetoException e1) { } | |
| 231 | + if(desktopIcon.getParent() instanceof JLayeredPane) { | |
| 232 | + ((JLayeredPane)desktopIcon.getParent()).moveToFront(desktopIcon); | |
| 233 | + } | |
| 234 | + | |
| 235 | + if(e.getClickCount() > 1) { | |
| 236 | + if(frame.isIconifiable() && frame.isIcon()) { | |
| 237 | + deiconize(); | |
| 238 | + } | |
| 239 | + } | |
| 240 | + | |
| 241 | + } | |
| 242 | + | |
| 243 | + public void mouseMoved(MouseEvent e) {} | |
| 244 | + | |
| 245 | + public void mouseDragged(MouseEvent e) { | |
| 246 | + Point p; | |
| 247 | + int newX, newY, newW, newH; | |
| 248 | + int deltaX; | |
| 249 | + int deltaY; | |
| 250 | + Dimension min; | |
| 251 | + Dimension max; | |
| 252 | + p = SwingUtilities.convertPoint((Component)e.getSource(), | |
| 253 | + e.getX(), e.getY(), null); | |
| 254 | + | |
| 255 | + Insets i = desktopIcon.getInsets(); | |
| 256 | + int pWidth, pHeight; | |
| 257 | + pWidth = ((JComponent)desktopIcon.getParent()).getWidth(); | |
| 258 | + pHeight = ((JComponent)desktopIcon.getParent()).getHeight(); | |
| 259 | + | |
| 260 | + if (startingBounds == null) { | |
| 261 | + // (STEVE) Yucky work around for bug ID 4106552 | |
| 262 | + return; | |
| 263 | + } | |
| 264 | + newX = startingBounds.x - (_x - p.x); | |
| 265 | + newY = startingBounds.y - (_y - p.y); | |
| 266 | + // Make sure we stay in-bounds | |
| 267 | + if(newX + i.left <= -__x) | |
| 268 | + newX = -__x - i.left; | |
| 269 | + if(newY + i.top <= -__y) | |
| 270 | + newY = -__y - i.top; | |
| 271 | + if(newX + __x + i.right > pWidth) | |
| 272 | + newX = pWidth - __x - i.right; | |
| 273 | + if(newY + __y + i.bottom > pHeight) | |
| 274 | + newY = pHeight - __y - i.bottom; | |
| 275 | + | |
| 276 | + JDesktopPane d; | |
| 277 | + if((d = desktopIcon.getDesktopPane()) != null) { | |
| 278 | + DesktopManager dm = d.getDesktopManager(); | |
| 279 | + dm.dragFrame(desktopIcon, newX, newY); | |
| 280 | + } else { | |
| 281 | + moveAndRepaint(desktopIcon, newX, newY, | |
| 282 | + desktopIcon.getWidth(), desktopIcon.getHeight()); | |
| 283 | + } | |
| 284 | + return; | |
| 285 | + } | |
| 286 | + | |
| 287 | + public void moveAndRepaint(JComponent f, int newX, int newY, | |
| 288 | + int newWidth, int newHeight) { | |
| 289 | + Rectangle r = f.getBounds(); | |
| 290 | + f.setBounds(newX, newY, newWidth, newHeight); | |
| 291 | + SwingUtilities.computeUnion(newX, newY, newWidth, newHeight, r); | |
| 292 | + f.getParent().repaint(r.x, r.y, r.width, r.height); | |
| 293 | + } | |
| 294 | + }; /// End MotionListener | |
| 295 | + | |
| 296 | +} | |