J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package com.sun.java.swing.plaf.motif; |
| 27 | |
| 28 | import sun.swing.SwingUtilities2; |
| 29 | import java.awt.*; |
| 30 | import java.awt.event.*; |
| 31 | import javax.swing.*; |
| 32 | import javax.swing.border.*; |
| 33 | import javax.swing.plaf.*; |
| 34 | import javax.swing.plaf.basic.*; |
| 35 | import java.beans.*; |
| 36 | import java.util.EventListener; |
| 37 | import java.io.Serializable; |
| 38 | |
| 39 | |
| 40 | /** |
| 41 | * Motif rendition of the component. |
| 42 | * |
| 43 | * @author Thomas Ball |
| 44 | * @author Rich Schiavi |
| 45 | */ |
| 46 | public class MotifDesktopIconUI extends BasicDesktopIconUI |
| 47 | { |
| 48 | protected DesktopIconActionListener desktopIconActionListener; |
| 49 | protected DesktopIconMouseListener desktopIconMouseListener; |
| 50 | |
| 51 | protected Icon defaultIcon; |
| 52 | protected IconButton iconButton; |
| 53 | protected IconLabel iconLabel; |
| 54 | |
| 55 | // This is only used for its system menu, but we need a reference to it so |
| 56 | // we can remove its listeners. |
| 57 | private MotifInternalFrameTitlePane sysMenuTitlePane; |
| 58 | |
| 59 | JPopupMenu systemMenu; |
| 60 | EventListener mml; |
| 61 | |
| 62 | final static int LABEL_HEIGHT = 18; |
| 63 | final static int LABEL_DIVIDER = 4; // padding between icon and label |
| 64 | |
| 65 | final static Font defaultTitleFont = |
| 66 | new Font(Font.SANS_SERIF, Font.PLAIN, 12); |
| 67 | |
| 68 | public static ComponentUI createUI(JComponent c) { |
| 69 | return new MotifDesktopIconUI(); |
| 70 | } |
| 71 | |
| 72 | public MotifDesktopIconUI() { |
| 73 | } |
| 74 | |
| 75 | protected void installDefaults(){ |
| 76 | super.installDefaults(); |
| 77 | setDefaultIcon(UIManager.getIcon("DesktopIcon.icon")); |
| 78 | iconButton = createIconButton(defaultIcon); |
| 79 | // An underhanded way of creating a system popup menu. |
| 80 | sysMenuTitlePane = new MotifInternalFrameTitlePane(frame); |
| 81 | systemMenu = sysMenuTitlePane.getSystemMenu(); |
| 82 | |
| 83 | MotifBorders.FrameBorder border = new MotifBorders.FrameBorder(desktopIcon); |
| 84 | desktopIcon.setLayout(new BorderLayout()); |
| 85 | iconButton.setBorder(border); |
| 86 | desktopIcon.add(iconButton, BorderLayout.CENTER); |
| 87 | iconLabel = createIconLabel(frame); |
| 88 | iconLabel.setBorder(border); |
| 89 | desktopIcon.add(iconLabel, BorderLayout.SOUTH); |
| 90 | desktopIcon.setSize(desktopIcon.getPreferredSize()); |
| 91 | desktopIcon.validate(); |
| 92 | JLayeredPane.putLayer(desktopIcon, JLayeredPane.getLayer(frame)); |
| 93 | } |
| 94 | |
| 95 | protected void installComponents(){ |
| 96 | } |
| 97 | |
| 98 | protected void uninstallComponents(){ |
| 99 | } |
| 100 | |
| 101 | protected void installListeners(){ |
| 102 | super.installListeners(); |
| 103 | desktopIconActionListener = createDesktopIconActionListener(); |
| 104 | desktopIconMouseListener = createDesktopIconMouseListener(); |
| 105 | iconButton.addActionListener(desktopIconActionListener); |
| 106 | iconButton.addMouseListener(desktopIconMouseListener); |
| 107 | iconLabel.addMouseListener(desktopIconMouseListener); |
| 108 | } |
| 109 | |
| 110 | JInternalFrame.JDesktopIcon getDesktopIcon(){ |
| 111 | return desktopIcon; |
| 112 | } |
| 113 | |
| 114 | void setDesktopIcon(JInternalFrame.JDesktopIcon d){ |
| 115 | desktopIcon = d; |
| 116 | } |
| 117 | |
| 118 | JInternalFrame getFrame(){ |
| 119 | return frame; |
| 120 | } |
| 121 | |
| 122 | void setFrame(JInternalFrame f){ |
| 123 | frame = f ; |
| 124 | } |
| 125 | |
| 126 | protected void showSystemMenu(){ |
| 127 | systemMenu.show(iconButton, 0, getDesktopIcon().getHeight()); |
| 128 | } |
| 129 | |
| 130 | protected void hideSystemMenu(){ |
| 131 | systemMenu.setVisible(false); |
| 132 | } |
| 133 | |
| 134 | protected IconLabel createIconLabel(JInternalFrame frame){ |
| 135 | return new IconLabel(frame); |
| 136 | } |
| 137 | |
| 138 | protected IconButton createIconButton(Icon i){ |
| 139 | return new IconButton(i); |
| 140 | } |
| 141 | |
| 142 | protected DesktopIconActionListener createDesktopIconActionListener(){ |
| 143 | return new DesktopIconActionListener(); |
| 144 | } |
| 145 | |
| 146 | protected DesktopIconMouseListener createDesktopIconMouseListener(){ |
| 147 | return new DesktopIconMouseListener(); |
| 148 | } |
| 149 | |
| 150 | protected void uninstallDefaults(){ |
| 151 | super.uninstallDefaults(); |
| 152 | desktopIcon.setLayout(null); |
| 153 | desktopIcon.remove(iconButton); |
| 154 | desktopIcon.remove(iconLabel); |
| 155 | } |
| 156 | |
| 157 | protected void uninstallListeners(){ |
| 158 | super.uninstallListeners(); |
| 159 | iconButton.removeActionListener(desktopIconActionListener); |
| 160 | iconButton.removeMouseListener(desktopIconMouseListener); |
| 161 | sysMenuTitlePane.uninstallListeners(); |
| 162 | } |
| 163 | |
| 164 | public Dimension getMinimumSize(JComponent c) { |
| 165 | JInternalFrame iframe = desktopIcon.getInternalFrame(); |
| 166 | |
| 167 | int w = defaultIcon.getIconWidth(); |
| 168 | int h = defaultIcon.getIconHeight() + LABEL_HEIGHT + LABEL_DIVIDER; |
| 169 | |
| 170 | Border border = iframe.getBorder(); |
| 171 | if(border != null) { |
| 172 | w += border.getBorderInsets(iframe).left + |
| 173 | border.getBorderInsets(iframe).right; |
| 174 | h += border.getBorderInsets(iframe).bottom + |
| 175 | border.getBorderInsets(iframe).top; |
| 176 | } |
| 177 | |
| 178 | return new Dimension(w, h); |
| 179 | } |
| 180 | |
| 181 | public Dimension getPreferredSize(JComponent c) { |
| 182 | return getMinimumSize(c); |
| 183 | } |
| 184 | |
| 185 | public Dimension getMaximumSize(JComponent c){ |
| 186 | return getMinimumSize(c); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Returns the default desktop icon. |
| 191 | */ |
| 192 | public Icon getDefaultIcon() { |
| 193 | return defaultIcon; |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Sets the icon used as the default desktop icon. |
| 198 | */ |
| 199 | public void setDefaultIcon(Icon newIcon) { |
| 200 | defaultIcon = newIcon; |
| 201 | } |
| 202 | |
| 203 | protected class IconLabel extends JPanel { |
| 204 | JInternalFrame frame; |
| 205 | |
| 206 | IconLabel(JInternalFrame f) { |
| 207 | super(); |
| 208 | this.frame = f; |
| 209 | setFont(defaultTitleFont); |
| 210 | |
| 211 | // Forward mouse events to titlebar for moves. |
| 212 | addMouseMotionListener(new MouseMotionListener() { |
| 213 | public void mouseDragged(MouseEvent e) { |
| 214 | forwardEventToParent(e); |
| 215 | } |
| 216 | public void mouseMoved(MouseEvent e) { |
| 217 | forwardEventToParent(e); |
| 218 | } |
| 219 | }); |
| 220 | addMouseListener(new MouseListener() { |
| 221 | public void mouseClicked(MouseEvent e) { |
| 222 | forwardEventToParent(e); |
| 223 | } |
| 224 | public void mousePressed(MouseEvent e) { |
| 225 | forwardEventToParent(e); |
| 226 | } |
| 227 | public void mouseReleased(MouseEvent e) { |
| 228 | forwardEventToParent(e); |
| 229 | } |
| 230 | public void mouseEntered(MouseEvent e) { |
| 231 | forwardEventToParent(e); |
| 232 | } |
| 233 | public void mouseExited(MouseEvent e) { |
| 234 | forwardEventToParent(e); |
| 235 | } |
| 236 | }); |
| 237 | } |
| 238 | |
| 239 | void forwardEventToParent(MouseEvent e) { |
| 240 | getParent().dispatchEvent(new MouseEvent( |
| 241 | getParent(), e.getID(), e.getWhen(), e.getModifiers(), |
| 242 | e.getX(), e.getY(), e.getXOnScreen(), |
| 243 | e.getYOnScreen(), e.getClickCount(), |
| 244 | e.isPopupTrigger(), MouseEvent.NOBUTTON)); |
| 245 | } |
| 246 | |
| 247 | public boolean isFocusTraversable() { |
| 248 | return false; |
| 249 | } |
| 250 | |
| 251 | public Dimension getMinimumSize() { |
| 252 | return new Dimension(defaultIcon.getIconWidth() + 1, |
| 253 | LABEL_HEIGHT + LABEL_DIVIDER); |
| 254 | } |
| 255 | |
| 256 | public Dimension getPreferredSize() { |
| 257 | String title = frame.getTitle(); |
| 258 | FontMetrics fm = frame.getFontMetrics(defaultTitleFont); |
| 259 | int w = 4; |
| 260 | if (title != null) { |
| 261 | w += SwingUtilities2.stringWidth(frame, fm, title); |
| 262 | } |
| 263 | return new Dimension(w, LABEL_HEIGHT + LABEL_DIVIDER); |
| 264 | } |
| 265 | |
| 266 | public void paint(Graphics g) { |
| 267 | super.paint(g); |
| 268 | |
| 269 | // touch-up frame |
| 270 | int maxX = getWidth() - 1; |
| 271 | Color shadow = |
| 272 | UIManager.getColor("inactiveCaptionBorder").darker().darker(); |
| 273 | g.setColor(shadow); |
| 274 | g.setClip(0, 0, getWidth(), getHeight()); |
| 275 | g.drawLine(maxX - 1, 1, maxX - 1, 1); |
| 276 | g.drawLine(maxX, 0, maxX, 0); |
| 277 | |
| 278 | // fill background |
| 279 | g.setColor(UIManager.getColor("inactiveCaption")); |
| 280 | g.fillRect(2, 1, maxX - 3, LABEL_HEIGHT + 1); |
| 281 | |
| 282 | // draw text -- clipping to truncate text like CDE/Motif |
| 283 | g.setClip(2, 1, maxX - 4, LABEL_HEIGHT); |
| 284 | int y = LABEL_HEIGHT - SwingUtilities2.getFontMetrics(frame, g). |
| 285 | getDescent(); |
| 286 | g.setColor(UIManager.getColor("inactiveCaptionText")); |
| 287 | String title = frame.getTitle(); |
| 288 | if (title != null) { |
| 289 | SwingUtilities2.drawString(frame, g, title, 4, y); |
| 290 | } |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | protected class IconButton extends JButton { |
| 295 | Icon icon; |
| 296 | |
| 297 | IconButton(Icon icon) { |
| 298 | super(icon); |
| 299 | this.icon = icon; |
| 300 | // Forward mouse events to titlebar for moves. |
| 301 | addMouseMotionListener(new MouseMotionListener() { |
| 302 | public void mouseDragged(MouseEvent e) { |
| 303 | forwardEventToParent(e); |
| 304 | } |
| 305 | public void mouseMoved(MouseEvent e) { |
| 306 | forwardEventToParent(e); |
| 307 | } |
| 308 | }); |
| 309 | addMouseListener(new MouseListener() { |
| 310 | public void mouseClicked(MouseEvent e) { |
| 311 | forwardEventToParent(e); |
| 312 | } |
| 313 | public void mousePressed(MouseEvent e) { |
| 314 | forwardEventToParent(e); |
| 315 | } |
| 316 | public void mouseReleased(MouseEvent e) { |
| 317 | if (!systemMenu.isShowing()) { |
| 318 | forwardEventToParent(e); |
| 319 | } |
| 320 | } |
| 321 | public void mouseEntered(MouseEvent e) { |
| 322 | forwardEventToParent(e); |
| 323 | } |
| 324 | public void mouseExited(MouseEvent e) { |
| 325 | forwardEventToParent(e); |
| 326 | } |
| 327 | }); |
| 328 | } |
| 329 | |
| 330 | void forwardEventToParent(MouseEvent e) { |
| 331 | getParent().dispatchEvent(new MouseEvent( |
| 332 | getParent(), e.getID(), e.getWhen(), e.getModifiers(), |
| 333 | e.getX(), e.getY(), e.getXOnScreen(), e.getYOnScreen(), |
| 334 | e.getClickCount(), e.isPopupTrigger(), MouseEvent.NOBUTTON )); |
| 335 | } |
| 336 | |
| 337 | public boolean isFocusTraversable() { |
| 338 | return false; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | |
| 343 | protected class DesktopIconActionListener implements ActionListener { |
| 344 | public void actionPerformed(ActionEvent e){ |
| 345 | systemMenu.show(iconButton, 0, getDesktopIcon().getHeight()); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | protected class DesktopIconMouseListener extends MouseAdapter { |
| 350 | // if we drag or move we should deengage the popup |
| 351 | public void mousePressed(MouseEvent e){ |
| 352 | if (e.getClickCount() > 1) { |
| 353 | try { |
| 354 | getFrame().setIcon(false); |
| 355 | } catch (PropertyVetoException e2){ } |
| 356 | systemMenu.setVisible(false); |
| 357 | /* the mouse release will not get reported correctly, |
| 358 | because the icon will no longer be in the hierarchy; |
| 359 | maybe that should be fixed, but until it is, we need |
| 360 | to do the required cleanup here. */ |
| 361 | getFrame().getDesktopPane().getDesktopManager().endDraggingFrame((JComponent)e.getSource()); |
| 362 | } |
| 363 | } |
| 364 | } |
| 365 | } |