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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 | } | ||