| 1 | /* MetalRootPaneUI.java |
| 2 | Copyright (C) 2005, 2006 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.metal; |
| 40 | |
| 41 | import java.awt.Color; |
| 42 | import java.awt.Component; |
| 43 | import java.awt.Container; |
| 44 | import java.awt.Dimension; |
| 45 | import java.awt.Frame; |
| 46 | import java.awt.Graphics; |
| 47 | import java.awt.Insets; |
| 48 | import java.awt.LayoutManager; |
| 49 | import java.awt.LayoutManager2; |
| 50 | import java.awt.Point; |
| 51 | import java.awt.Rectangle; |
| 52 | import java.awt.Window; |
| 53 | import java.awt.event.ActionEvent; |
| 54 | import java.awt.event.MouseEvent; |
| 55 | import java.beans.PropertyChangeEvent; |
| 56 | |
| 57 | import javax.swing.AbstractAction; |
| 58 | import javax.swing.Action; |
| 59 | import javax.swing.Icon; |
| 60 | import javax.swing.JButton; |
| 61 | import javax.swing.JComponent; |
| 62 | import javax.swing.JDialog; |
| 63 | import javax.swing.JFrame; |
| 64 | import javax.swing.JLabel; |
| 65 | import javax.swing.JLayeredPane; |
| 66 | import javax.swing.JMenu; |
| 67 | import javax.swing.JMenuBar; |
| 68 | import javax.swing.JRootPane; |
| 69 | import javax.swing.SwingConstants; |
| 70 | import javax.swing.SwingUtilities; |
| 71 | import javax.swing.UIManager; |
| 72 | import javax.swing.border.AbstractBorder; |
| 73 | import javax.swing.event.MouseInputAdapter; |
| 74 | import javax.swing.plaf.ComponentUI; |
| 75 | import javax.swing.plaf.basic.BasicRootPaneUI; |
| 76 | |
| 77 | /** |
| 78 | * A UI delegate for the {@link JRootPane} component. This implementation |
| 79 | * supports the JRootPane <code>windowDecorationStyle</code> property. |
| 80 | * |
| 81 | * @author Roman Kennke (kennke@aicas.com) |
| 82 | * |
| 83 | * @since 1.4 |
| 84 | */ |
| 85 | public class MetalRootPaneUI |
| 86 | extends BasicRootPaneUI |
| 87 | { |
| 88 | |
| 89 | /** |
| 90 | * The border that is used on JRootPane when the windowDecorationStyle |
| 91 | * property of the JRootPane is set to a different value than NONE. |
| 92 | * |
| 93 | * @author Roman Kennke (kennke@aicas.com) |
| 94 | */ |
| 95 | private static class MetalFrameBorder |
| 96 | extends AbstractBorder |
| 97 | { |
| 98 | /** |
| 99 | * Returns the border insets. |
| 100 | * |
| 101 | * @param c the component |
| 102 | * @param newInsets the insets to be filled with the return value, may be |
| 103 | * <code>null</code> in which case a new object is created |
| 104 | * |
| 105 | * @return the border insets |
| 106 | */ |
| 107 | public Insets getBorderInsets(Component c, Insets newInsets) |
| 108 | { |
| 109 | if (newInsets == null) |
| 110 | newInsets = new Insets(5, 5, 5, 5); |
| 111 | else |
| 112 | { |
| 113 | newInsets.top = 5; |
| 114 | newInsets.left = 5; |
| 115 | newInsets.bottom = 5; |
| 116 | newInsets.right = 5; |
| 117 | } |
| 118 | return newInsets; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Returns the border insets. |
| 123 | * |
| 124 | * @param c the component |
| 125 | * |
| 126 | * @return the border insets |
| 127 | */ |
| 128 | public Insets getBorderInsets(Component c) |
| 129 | { |
| 130 | return getBorderInsets(c, null); |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Paints the border for the specified component. |
| 135 | * |
| 136 | * @param c the component |
| 137 | * @param g the graphics device |
| 138 | * @param x the x-coordinate |
| 139 | * @param y the y-coordinate |
| 140 | * @param w the width |
| 141 | * @param h the height |
| 142 | */ |
| 143 | public void paintBorder(Component c, Graphics g, int x, int y, int w, |
| 144 | int h) |
| 145 | { |
| 146 | JRootPane f = (JRootPane) c; |
| 147 | Window frame = SwingUtilities.getWindowAncestor(f); |
| 148 | if (frame.isActive()) |
| 149 | g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); |
| 150 | else |
| 151 | g.setColor(MetalLookAndFeel.getControlDarkShadow()); |
| 152 | |
| 153 | // Fill the border background. |
| 154 | g.fillRect(x, y, w, 5); |
| 155 | g.fillRect(x, y, 5, h); |
| 156 | g.fillRect(x + w - 5, y, 5, h); |
| 157 | g.fillRect(x, y + h - 5, w, 5); |
| 158 | |
| 159 | // Draw a dot in each corner. |
| 160 | g.setColor(MetalLookAndFeel.getControl()); |
| 161 | g.fillRect(x, y, 1, 1); |
| 162 | g.fillRect(x + w - 1, y, 1, 1); |
| 163 | g.fillRect(x + w - 1, y + h - 1, 1, 1); |
| 164 | g.fillRect(x, y + h - 1, 1, 1); |
| 165 | |
| 166 | // Draw the lines. |
| 167 | g.setColor(MetalLookAndFeel.getBlack()); |
| 168 | g.drawLine(x + 14, y + 2, x + w - 15, y + 2); |
| 169 | g.drawLine(x + 14, y + h - 3, x + w - 15, y + h - 3); |
| 170 | g.drawLine(x + 2, y + 14, x + 2, y + h - 15); |
| 171 | g.drawLine(x + w - 3, y + 14, x + w - 3, y + h - 15); |
| 172 | |
| 173 | // Draw the line highlights. |
| 174 | if (frame.isActive()) |
| 175 | g.setColor(MetalLookAndFeel.getPrimaryControlShadow()); |
| 176 | else |
| 177 | g.setColor(MetalLookAndFeel.getControlShadow()); |
| 178 | g.drawLine(x + 15, y + 3, x + w - 14, y + 3); |
| 179 | g.drawLine(x + 15, y + h - 2, x + w - 14, y + h - 2); |
| 180 | g.drawLine(x + 3, y + 15, x + 3, y + h - 14); |
| 181 | g.drawLine(x + w - 2, y + 15, x + w - 2, y + h - 14); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * The component that renders the title bar for frames. This duplicates |
| 187 | * most of {@link MetalInternalFrameTitlePane}. It is not reasonably possible |
| 188 | * to reuse that class because that is bound to the JInternalFrame and we |
| 189 | * need to handle JFrames/JRootPanes here. |
| 190 | * |
| 191 | * @author Roman Kennke (kennke@aicas.com) |
| 192 | */ |
| 193 | private static class MetalTitlePane extends JComponent |
| 194 | { |
| 195 | |
| 196 | /** |
| 197 | * Handles dragging of the title pane and moves the window accordingly. |
| 198 | */ |
| 199 | private class MouseHandler |
| 200 | extends MouseInputAdapter |
| 201 | { |
| 202 | /** |
| 203 | * The point where the dragging started. |
| 204 | */ |
| 205 | Point lastDragLocation; |
| 206 | |
| 207 | /** |
| 208 | * Receives notification when the mouse gets pressed on the title pane. |
| 209 | * This updates the lastDragLocation. |
| 210 | * |
| 211 | * @param ev the mouse event |
| 212 | */ |
| 213 | public void mousePressed(MouseEvent ev) |
| 214 | { |
| 215 | lastDragLocation = ev.getPoint(); |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Receives notification when the mouse is dragged on the title pane. |
| 220 | * This will move the nearest window accordingly. |
| 221 | * |
| 222 | * @param ev the mouse event |
| 223 | */ |
| 224 | public void mouseDragged(MouseEvent ev) |
| 225 | { |
| 226 | Point dragLocation = ev.getPoint(); |
| 227 | int deltaX = dragLocation.x - lastDragLocation.x; |
| 228 | int deltaY = dragLocation.y - lastDragLocation.y; |
| 229 | Window window = SwingUtilities.getWindowAncestor(rootPane); |
| 230 | Point loc = window.getLocation(); |
| 231 | window.setLocation(loc.x + deltaX, loc.y + deltaY); |
| 232 | // Note that we do not update the lastDragLocation. This is because |
| 233 | // we move the underlying window while dragging the component, which |
| 234 | // results in having the same lastDragLocation under the mouse while |
| 235 | // dragging. |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * The Action responsible for closing the JInternalFrame. |
| 241 | */ |
| 242 | private class CloseAction extends AbstractAction |
| 243 | { |
| 244 | /** |
| 245 | * Creates a new action. |
| 246 | */ |
| 247 | public CloseAction() |
| 248 | { |
| 249 | super("Close"); |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * This method is called when something closes the frame. |
| 254 | * |
| 255 | * @param e the ActionEvent |
| 256 | */ |
| 257 | public void actionPerformed(ActionEvent e) |
| 258 | { |
| 259 | Window frame = SwingUtilities.getWindowAncestor(rootPane); |
| 260 | if (frame instanceof JFrame) |
| 261 | { |
| 262 | JFrame jframe = (JFrame) frame; |
| 263 | switch (jframe.getDefaultCloseOperation()) |
| 264 | { |
| 265 | case JFrame.EXIT_ON_CLOSE: |
| 266 | jframe.setVisible(false); |
| 267 | jframe.dispose(); |
| 268 | System.exit(0); |
| 269 | break; |
| 270 | case JFrame.DISPOSE_ON_CLOSE: |
| 271 | jframe.setVisible(false); |
| 272 | jframe.dispose(); |
| 273 | break; |
| 274 | case JFrame.HIDE_ON_CLOSE: |
| 275 | jframe.setVisible(false); |
| 276 | break; |
| 277 | case JFrame.DO_NOTHING_ON_CLOSE: |
| 278 | default: |
| 279 | break; |
| 280 | } |
| 281 | } |
| 282 | else if (frame instanceof JDialog) |
| 283 | { |
| 284 | JDialog jdialog = (JDialog) frame; |
| 285 | switch (jdialog.getDefaultCloseOperation()) |
| 286 | { |
| 287 | case JFrame.DISPOSE_ON_CLOSE: |
| 288 | jdialog.setVisible(false); |
| 289 | jdialog.dispose(); |
| 290 | break; |
| 291 | case JFrame.HIDE_ON_CLOSE: |
| 292 | jdialog.setVisible(false); |
| 293 | break; |
| 294 | case JFrame.DO_NOTHING_ON_CLOSE: |
| 295 | default: |
| 296 | break; |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * This action is performed when the iconify button is pressed. |
| 304 | */ |
| 305 | private class IconifyAction |
| 306 | extends AbstractAction |
| 307 | { |
| 308 | |
| 309 | public void actionPerformed(ActionEvent event) |
| 310 | { |
| 311 | Window w = SwingUtilities.getWindowAncestor(rootPane); |
| 312 | if (w instanceof Frame) |
| 313 | { |
| 314 | Frame f = (Frame) w; |
| 315 | int state = f.getExtendedState(); |
| 316 | f.setExtendedState(Frame.ICONIFIED); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * This action is performed when the maximize button is pressed. |
| 324 | */ |
| 325 | private class MaximizeAction |
| 326 | extends AbstractAction |
| 327 | { |
| 328 | |
| 329 | public void actionPerformed(ActionEvent event) |
| 330 | { |
| 331 | Window w = SwingUtilities.getWindowAncestor(rootPane); |
| 332 | if (w instanceof Frame) |
| 333 | { |
| 334 | Frame f = (Frame) w; |
| 335 | int state = f.getExtendedState(); |
| 336 | f.setExtendedState(Frame.MAXIMIZED_BOTH); |
| 337 | } |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * This helper class is used to create the minimize, maximize and close |
| 343 | * buttons in the top right corner of the Title Pane. These buttons are |
| 344 | * special since they cannot be given focus and have no border. |
| 345 | */ |
| 346 | private class PaneButton extends JButton |
| 347 | { |
| 348 | /** |
| 349 | * Creates a new PaneButton object with the given Action. |
| 350 | * |
| 351 | * @param a The Action that the button uses. |
| 352 | */ |
| 353 | public PaneButton(Action a) |
| 354 | { |
| 355 | super(a); |
| 356 | setMargin(new Insets(0, 0, 0, 0)); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * This method returns true if the Component can be focused. |
| 361 | * |
| 362 | * @return false. |
| 363 | */ |
| 364 | public boolean isFocusable() |
| 365 | { |
| 366 | // These buttons cannot be given focus. |
| 367 | return false; |
| 368 | } |
| 369 | |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * The layout for the JRootPane when the <code>windowDecorationStyle</code> |
| 374 | * property is set. In addition to the usual JRootPane.RootLayout behaviour |
| 375 | * this lays out the titlePane. |
| 376 | * |
| 377 | * @author Roman Kennke (kennke@aicas.com) |
| 378 | */ |
| 379 | private class MetalTitlePaneLayout implements LayoutManager |
| 380 | { |
| 381 | /** |
| 382 | * Creates a new <code>TitlePaneLayout</code> object. |
| 383 | */ |
| 384 | public MetalTitlePaneLayout() |
| 385 | { |
| 386 | // Do nothing. |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * Adds a Component to the Container. |
| 391 | * |
| 392 | * @param name The name to reference the added Component by. |
| 393 | * @param c The Component to add. |
| 394 | */ |
| 395 | public void addLayoutComponent(String name, Component c) |
| 396 | { |
| 397 | // Do nothing. |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * This method is called to lay out the children of the Title Pane. |
| 402 | * |
| 403 | * @param c The Container to lay out. |
| 404 | */ |
| 405 | public void layoutContainer(Container c) |
| 406 | { |
| 407 | |
| 408 | Dimension size = c.getSize(); |
| 409 | Insets insets = c.getInsets(); |
| 410 | int width = size.width - insets.left - insets.right; |
| 411 | int height = size.height - insets.top - insets.bottom; |
| 412 | |
| 413 | int loc = width - insets.right - 1; |
| 414 | int top = insets.top + 2; |
| 415 | int buttonHeight = height - 4; |
| 416 | if (closeButton.isVisible()) |
| 417 | { |
| 418 | int buttonWidth = closeIcon.getIconWidth(); |
| 419 | loc -= buttonWidth + 2; |
| 420 | closeButton.setBounds(loc, top, buttonWidth, buttonHeight); |
| 421 | loc -= 6; |
| 422 | } |
| 423 | |
| 424 | if (maxButton.isVisible()) |
| 425 | { |
| 426 | int buttonWidth = maxIcon.getIconWidth(); |
| 427 | loc -= buttonWidth + 4; |
| 428 | maxButton.setBounds(loc, top, buttonWidth, buttonHeight); |
| 429 | } |
| 430 | |
| 431 | if (iconButton.isVisible()) |
| 432 | { |
| 433 | int buttonWidth = minIcon.getIconWidth(); |
| 434 | loc -= buttonWidth + 4; |
| 435 | iconButton.setBounds(loc, top, buttonWidth, buttonHeight); |
| 436 | loc -= 2; |
| 437 | } |
| 438 | |
| 439 | Dimension titlePreferredSize = title.getPreferredSize(); |
| 440 | title.setBounds(insets.left + 5, insets.top, |
| 441 | Math.min(titlePreferredSize.width, loc - insets.left - 10), |
| 442 | height); |
| 443 | |
| 444 | } |
| 445 | |
| 446 | /** |
| 447 | * This method returns the minimum size of the given Container given the |
| 448 | * children that it has. |
| 449 | * |
| 450 | * @param c The Container to get a minimum size for. |
| 451 | * |
| 452 | * @return The minimum size of the Container. |
| 453 | */ |
| 454 | public Dimension minimumLayoutSize(Container c) |
| 455 | { |
| 456 | return preferredLayoutSize(c); |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * Returns the preferred size of the given Container taking |
| 461 | * into account the children that it has. |
| 462 | * |
| 463 | * @param c The Container to lay out. |
| 464 | * |
| 465 | * @return The preferred size of the Container. |
| 466 | */ |
| 467 | public Dimension preferredLayoutSize(Container c) |
| 468 | { |
| 469 | return new Dimension(22, 22); |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * Removes a Component from the Container. |
| 474 | * |
| 475 | * @param c The Component to remove. |
| 476 | */ |
| 477 | public void removeLayoutComponent(Component c) |
| 478 | { |
| 479 | // Nothing to do here. |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | JRootPane rootPane; |
| 484 | |
| 485 | /** The button that closes the JInternalFrame. */ |
| 486 | JButton closeButton; |
| 487 | |
| 488 | /** The button that iconifies the JInternalFrame. */ |
| 489 | JButton iconButton; |
| 490 | |
| 491 | /** The button that maximizes the JInternalFrame. */ |
| 492 | JButton maxButton; |
| 493 | |
| 494 | Icon minIcon; |
| 495 | |
| 496 | /** The icon displayed in the maximize button. */ |
| 497 | Icon maxIcon; |
| 498 | |
| 499 | /** The icon displayed in the iconify button. */ |
| 500 | private Icon iconIcon; |
| 501 | |
| 502 | /** The icon displayed in the close button. */ |
| 503 | Icon closeIcon; |
| 504 | |
| 505 | /** |
| 506 | * The background color of the TitlePane when the JInternalFrame is not |
| 507 | * selected. |
| 508 | */ |
| 509 | private Color notSelectedTitleColor; |
| 510 | |
| 511 | /** |
| 512 | * The background color of the TitlePane when the JInternalFrame is |
| 513 | * selected. |
| 514 | */ |
| 515 | private Color selectedTitleColor; |
| 516 | |
| 517 | /** |
| 518 | * The label used to display the title. This label is not added to the |
| 519 | * TitlePane. |
| 520 | */ |
| 521 | JLabel title; |
| 522 | |
| 523 | /** The action associated with closing the JInternalFrame. */ |
| 524 | private Action closeAction; |
| 525 | |
| 526 | /** The action associated with iconifying the JInternalFrame. */ |
| 527 | private Action iconifyAction; |
| 528 | |
| 529 | /** The action associated with maximizing the JInternalFrame. */ |
| 530 | private Action maximizeAction; |
| 531 | |
| 532 | /** The JMenuBar that is located at the top left of the Title Pane. */ |
| 533 | private JMenuBar menuBar; |
| 534 | |
| 535 | /** The JMenu inside the menuBar. */ |
| 536 | protected JMenu windowMenu; |
| 537 | |
| 538 | MetalTitlePane(JRootPane rp) |
| 539 | { |
| 540 | rootPane = rp; |
| 541 | setLayout(createLayout()); |
| 542 | title = new JLabel(); |
| 543 | title.setHorizontalAlignment(SwingConstants.LEFT); |
| 544 | title.setHorizontalTextPosition(SwingConstants.LEFT); |
| 545 | title.setOpaque(false); |
| 546 | installTitlePane(); |
| 547 | } |
| 548 | |
| 549 | protected LayoutManager createLayout() |
| 550 | { |
| 551 | return new MetalTitlePaneLayout(); |
| 552 | } |
| 553 | |
| 554 | /** |
| 555 | * This method installs the TitlePane onto the JInternalFrameTitlePane. It |
| 556 | * also creates any children components that need to be created and adds |
| 557 | * listeners to the appropriate components. |
| 558 | */ |
| 559 | protected void installTitlePane() |
| 560 | { |
| 561 | installDefaults(); |
| 562 | installListeners(); |
| 563 | createActions(); |
| 564 | assembleSystemMenu(); |
| 565 | createButtons(); |
| 566 | setButtonIcons(); |
| 567 | addSubComponents(); |
| 568 | enableActions(); |
| 569 | } |
| 570 | |
| 571 | private void enableActions() |
| 572 | { |
| 573 | // TODO: Implement this. |
| 574 | } |
| 575 | |
| 576 | private void addSubComponents() |
| 577 | { |
| 578 | add(menuBar); |
| 579 | add(closeButton); |
| 580 | add(iconButton); |
| 581 | add(maxButton); |
| 582 | } |
| 583 | |
| 584 | private void installListeners() |
| 585 | { |
| 586 | MouseInputAdapter mouseHandler = new MouseHandler(); |
| 587 | addMouseListener(mouseHandler); |
| 588 | addMouseMotionListener(mouseHandler); |
| 589 | } |
| 590 | |
| 591 | private void createActions() |
| 592 | { |
| 593 | closeAction = new CloseAction(); |
| 594 | iconifyAction = new IconifyAction(); |
| 595 | maximizeAction = new MaximizeAction(); |
| 596 | } |
| 597 | |
| 598 | private void assembleSystemMenu() |
| 599 | { |
| 600 | menuBar = createSystemMenuBar(); |
| 601 | windowMenu = createSystemMenu(); |
| 602 | menuBar.add(windowMenu); |
| 603 | addSystemMenuItems(windowMenu); |
| 604 | enableActions(); |
| 605 | } |
| 606 | |
| 607 | protected JMenuBar createSystemMenuBar() |
| 608 | { |
| 609 | if (menuBar == null) |
| 610 | menuBar = new JMenuBar(); |
| 611 | menuBar.removeAll(); |
| 612 | return menuBar; |
| 613 | } |
| 614 | |
| 615 | protected JMenu createSystemMenu() |
| 616 | { |
| 617 | if (windowMenu == null) |
| 618 | windowMenu = new JMenu(); |
| 619 | windowMenu.removeAll(); |
| 620 | return windowMenu; |
| 621 | } |
| 622 | |
| 623 | private void addSystemMenuItems(JMenu menu) |
| 624 | { |
| 625 | // TODO: Implement this. |
| 626 | } |
| 627 | |
| 628 | protected void createButtons() |
| 629 | { |
| 630 | closeButton = new PaneButton(closeAction); |
| 631 | closeButton.setText(null); |
| 632 | iconButton = new PaneButton(iconifyAction); |
| 633 | iconButton.setText(null); |
| 634 | maxButton = new PaneButton(maximizeAction); |
| 635 | maxButton.setText(null); |
| 636 | closeButton.setBorderPainted(false); |
| 637 | closeButton.setContentAreaFilled(false); |
| 638 | iconButton.setBorderPainted(false); |
| 639 | iconButton.setContentAreaFilled(false); |
| 640 | maxButton.setBorderPainted(false); |
| 641 | maxButton.setContentAreaFilled(false); |
| 642 | } |
| 643 | |
| 644 | protected void setButtonIcons() |
| 645 | { |
| 646 | if (closeIcon != null && closeButton != null) |
| 647 | closeButton.setIcon(closeIcon); |
| 648 | if (iconIcon != null && iconButton != null) |
| 649 | iconButton.setIcon(iconIcon); |
| 650 | if (maxIcon != null && maxButton != null) |
| 651 | maxButton.setIcon(maxIcon); |
| 652 | } |
| 653 | |
| 654 | /** |
| 655 | * Paints a representation of the current state of the internal frame. |
| 656 | * |
| 657 | * @param g the graphics device. |
| 658 | */ |
| 659 | public void paintComponent(Graphics g) |
| 660 | { |
| 661 | Window frame = SwingUtilities.getWindowAncestor(rootPane); |
| 662 | Color savedColor = g.getColor(); |
| 663 | paintTitleBackground(g); |
| 664 | paintChildren(g); |
| 665 | Dimension d = getSize(); |
| 666 | if (frame.isActive()) |
| 667 | g.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow()); |
| 668 | else |
| 669 | g.setColor(MetalLookAndFeel.getControlDarkShadow()); |
| 670 | |
| 671 | // put a dot in each of the top corners |
| 672 | g.drawLine(0, 0, 0, 0); |
| 673 | g.drawLine(d.width - 1, 0, d.width - 1, 0); |
| 674 | |
| 675 | g.drawLine(0, d.height - 1, d.width - 1, d.height - 1); |
| 676 | |
| 677 | // draw the metal pattern |
| 678 | if (UIManager.get("InternalFrame.activeTitleGradient") != null |
| 679 | && frame.isActive()) |
| 680 | { |
| 681 | MetalUtils.paintGradient(g, 0, 0, getWidth(), getHeight(), |
| 682 | SwingConstants.VERTICAL, |
| 683 | "InternalFrame.activeTitleGradient"); |
| 684 | } |
| 685 | |
| 686 | Rectangle b = title.getBounds(); |
| 687 | int startX = b.x + b.width + 5; |
| 688 | int endX = startX; |
| 689 | if (iconButton.isVisible()) |
| 690 | endX = Math.max(iconButton.getX(), endX); |
| 691 | else if (maxButton.isVisible()) |
| 692 | endX = Math.max(maxButton.getX(), endX); |
| 693 | else if (closeButton.isVisible()) |
| 694 | endX = Math.max(closeButton.getX(), endX); |
| 695 | endX -= 7; |
| 696 | if (endX > startX) |
| 697 | MetalUtils.fillMetalPattern(this, g, startX, 3, endX - startX, getHeight() - 6, Color.white, Color.gray); |
| 698 | g.setColor(savedColor); |
| 699 | } |
| 700 | |
| 701 | /** |
| 702 | * This method paints the TitlePane's background. |
| 703 | * |
| 704 | * @param g The Graphics object to paint with. |
| 705 | */ |
| 706 | protected void paintTitleBackground(Graphics g) |
| 707 | { |
| 708 | Window frame = SwingUtilities.getWindowAncestor(rootPane); |
| 709 | |
| 710 | if (!isOpaque()) |
| 711 | return; |
| 712 | |
| 713 | Color saved = g.getColor(); |
| 714 | Dimension dims = getSize(); |
| 715 | |
| 716 | Color bg = getBackground(); |
| 717 | if (frame.isActive()) |
| 718 | bg = selectedTitleColor; |
| 719 | else |
| 720 | bg = notSelectedTitleColor; |
| 721 | g.setColor(bg); |
| 722 | g.fillRect(0, 0, dims.width, dims.height); |
| 723 | g.setColor(saved); |
| 724 | } |
| 725 | |
| 726 | /** |
| 727 | * This method installs the defaults determined by the look and feel. |
| 728 | */ |
| 729 | private void installDefaults() |
| 730 | { |
| 731 | title.setFont(UIManager.getFont("InternalFrame.titleFont")); |
| 732 | selectedTitleColor = UIManager.getColor("InternalFrame.activeTitleBackground"); |
| 733 | notSelectedTitleColor = UIManager.getColor("InternalFrame.inactiveTitleBackground"); |
| 734 | closeIcon = UIManager.getIcon("InternalFrame.closeIcon"); |
| 735 | iconIcon = UIManager.getIcon("InternalFrame.iconifyIcon"); |
| 736 | maxIcon = UIManager.getIcon("InternalFrame.maximizeIcon"); |
| 737 | minIcon = MetalIconFactory.getInternalFrameAltMaximizeIcon(16); |
| 738 | Frame frame = (Frame) SwingUtilities.getWindowAncestor(rootPane); |
| 739 | title = new JLabel(frame.getTitle(), |
| 740 | MetalIconFactory.getInternalFrameDefaultMenuIcon(), |
| 741 | SwingConstants.LEFT); |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | private static class MetalRootLayout |
| 746 | implements LayoutManager2 |
| 747 | { |
| 748 | |
| 749 | /** |
| 750 | * The cached layout info for the glass pane. |
| 751 | */ |
| 752 | private Rectangle glassPaneBounds; |
| 753 | |
| 754 | /** |
| 755 | * The cached layout info for the layered pane. |
| 756 | */ |
| 757 | private Rectangle layeredPaneBounds; |
| 758 | |
| 759 | /** |
| 760 | * The cached layout info for the content pane. |
| 761 | */ |
| 762 | private Rectangle contentPaneBounds; |
| 763 | |
| 764 | /** |
| 765 | * The cached layout info for the menu bar. |
| 766 | */ |
| 767 | private Rectangle menuBarBounds; |
| 768 | |
| 769 | /** |
| 770 | * The cached layout info for the title pane. |
| 771 | */ |
| 772 | private Rectangle titlePaneBounds; |
| 773 | |
| 774 | /** |
| 775 | * The cached preferred size. |
| 776 | */ |
| 777 | private Dimension prefSize; |
| 778 | |
| 779 | /** |
| 780 | * The title pane for l&f decorated frames. |
| 781 | */ |
| 782 | private MetalTitlePane titlePane; |
| 783 | |
| 784 | /** |
| 785 | * Creates a new MetalRootLayout. |
| 786 | * |
| 787 | * @param tp the title pane |
| 788 | */ |
| 789 | MetalRootLayout(MetalTitlePane tp) |
| 790 | { |
| 791 | titlePane = tp; |
| 792 | } |
| 793 | |
| 794 | public void addLayoutComponent(Component component, Object constraints) |
| 795 | { |
| 796 | // Nothing to do here. |
| 797 | } |
| 798 | |
| 799 | public Dimension maximumLayoutSize(Container target) |
| 800 | { |
| 801 | return preferredLayoutSize(target); |
| 802 | } |
| 803 | |
| 804 | public float getLayoutAlignmentX(Container target) |
| 805 | { |
| 806 | return 0.0F; |
| 807 | } |
| 808 | |
| 809 | public float getLayoutAlignmentY(Container target) |
| 810 | { |
| 811 | return 0.0F; |
| 812 | } |
| 813 | |
| 814 | public void invalidateLayout(Container target) |
| 815 | { |
| 816 | synchronized (this) |
| 817 | { |
| 818 | glassPaneBounds = null; |
| 819 | layeredPaneBounds = null; |
| 820 | contentPaneBounds = null; |
| 821 | menuBarBounds = null; |
| 822 | titlePaneBounds = null; |
| 823 | prefSize = null; |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | public void addLayoutComponent(String name, Component component) |
| 828 | { |
| 829 | // Nothing to do here. |
| 830 | } |
| 831 | |
| 832 | public void removeLayoutComponent(Component component) |
| 833 | { |
| 834 | // TODO Auto-generated method stub |
| 835 | |
| 836 | } |
| 837 | |
| 838 | public Dimension preferredLayoutSize(Container parent) |
| 839 | { |
| 840 | JRootPane rp = (JRootPane) parent; |
| 841 | JLayeredPane layeredPane = rp.getLayeredPane(); |
| 842 | Component contentPane = rp.getContentPane(); |
| 843 | Component menuBar = rp.getJMenuBar(); |
| 844 | |
| 845 | // We must synchronize here, otherwise we cannot guarantee that the |
| 846 | // prefSize is still non-null when returning. |
| 847 | synchronized (this) |
| 848 | { |
| 849 | if (prefSize == null) |
| 850 | { |
| 851 | Insets i = parent.getInsets(); |
| 852 | prefSize = new Dimension(i.left + i.right, i.top + i.bottom); |
| 853 | Dimension contentPrefSize = contentPane.getPreferredSize(); |
| 854 | prefSize.width += contentPrefSize.width; |
| 855 | prefSize.height += contentPrefSize.height |
| 856 | + titlePane.getPreferredSize().height; |
| 857 | if (menuBar != null) |
| 858 | { |
| 859 | Dimension menuBarSize = menuBar.getPreferredSize(); |
| 860 | if (menuBarSize.width > contentPrefSize.width) |
| 861 | prefSize.width += menuBarSize.width - contentPrefSize.width; |
| 862 | prefSize.height += menuBarSize.height; |
| 863 | } |
| 864 | } |
| 865 | // Return a copy here so the cached value won't get trashed by some |
| 866 | // other component. |
| 867 | return new Dimension(prefSize); |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | public Dimension minimumLayoutSize(Container parent) |
| 872 | { |
| 873 | return preferredLayoutSize(parent); |
| 874 | } |
| 875 | |
| 876 | public void layoutContainer(Container parent) |
| 877 | { |
| 878 | JRootPane rp = (JRootPane) parent; |
| 879 | JLayeredPane layeredPane = rp.getLayeredPane(); |
| 880 | Component contentPane = rp.getContentPane(); |
| 881 | Component menuBar = rp.getJMenuBar(); |
| 882 | Component glassPane = rp.getGlassPane(); |
| 883 | |
| 884 | if (glassPaneBounds == null || layeredPaneBounds == null |
| 885 | || contentPaneBounds == null || menuBarBounds == null) |
| 886 | { |
| 887 | Insets i = rp.getInsets(); |
| 888 | int containerWidth = parent.getBounds().width - i.left - i.right; |
| 889 | int containerHeight = parent.getBounds().height - i.top - i.bottom; |
| 890 | |
| 891 | // 1. The glassPane fills entire viewable region (bounds - insets). |
| 892 | // 2. The layeredPane filles entire viewable region. |
| 893 | // 3. The titlePane is placed at the upper edge of the layeredPane. |
| 894 | // 4. The menuBar is positioned at the upper edge of layeredPane. |
| 895 | // 5. The contentPane fills viewable region minus menuBar minus |
| 896 | // titlePane, if present. |
| 897 | |
| 898 | // +-------------------------------+ |
| 899 | // | JLayeredPane | |
| 900 | // | +--------------------------+ | |
| 901 | // | | titlePane + | |
| 902 | // | +--------------------------+ | |
| 903 | // | +--------------------------+ | |
| 904 | // | | menuBar | | |
| 905 | // | +--------------------------+ | |
| 906 | // | +--------------------------+ | |
| 907 | // | |contentPane | | |
| 908 | // | | | | |
| 909 | // | | | | |
| 910 | // | | | | |
| 911 | // | +--------------------------+ | |
| 912 | // +-------------------------------+ |
| 913 | |
| 914 | // Setup titlePaneBounds. |
| 915 | if (titlePaneBounds == null) |
| 916 | titlePaneBounds = new Rectangle(); |
| 917 | titlePaneBounds.width = containerWidth; |
| 918 | titlePaneBounds.height = titlePane.getPreferredSize().height; |
| 919 | |
| 920 | // Setup menuBarBounds. |
| 921 | if (menuBarBounds == null) |
| 922 | menuBarBounds = new Rectangle(); |
| 923 | menuBarBounds.setBounds(0, |
| 924 | titlePaneBounds.y + titlePaneBounds.height, |
| 925 | containerWidth, 0); |
| 926 | if (menuBar != null) |
| 927 | { |
| 928 | Dimension menuBarSize = menuBar.getPreferredSize(); |
| 929 | if (menuBarSize.height > containerHeight) |
| 930 | menuBarBounds.height = containerHeight; |
| 931 | else |
| 932 | menuBarBounds.height = menuBarSize.height; |
| 933 | } |
| 934 | |
| 935 | // Setup contentPaneBounds. |
| 936 | if (contentPaneBounds == null) |
| 937 | contentPaneBounds = new Rectangle(); |
| 938 | contentPaneBounds.setBounds(0, |
| 939 | menuBarBounds.y + menuBarBounds.height, |
| 940 | containerWidth, |
| 941 | containerHeight - menuBarBounds.y |
| 942 | - menuBarBounds.height); |
| 943 | glassPaneBounds = new Rectangle(i.left, i.top, containerWidth, containerHeight); |
| 944 | layeredPaneBounds = new Rectangle(i.left, i.top, containerWidth, containerHeight); |
| 945 | } |
| 946 | |
| 947 | // Layout components. |
| 948 | glassPane.setBounds(glassPaneBounds); |
| 949 | layeredPane.setBounds(layeredPaneBounds); |
| 950 | if (menuBar != null) |
| 951 | menuBar.setBounds(menuBarBounds); |
| 952 | contentPane.setBounds(contentPaneBounds); |
| 953 | titlePane.setBounds(titlePaneBounds); |
| 954 | } |
| 955 | |
| 956 | } |
| 957 | |
| 958 | /** |
| 959 | * The shared UI instance for MetalRootPaneUIs. |
| 960 | */ |
| 961 | private static MetalRootPaneUI instance; |
| 962 | |
| 963 | /** |
| 964 | * Constructs a shared instance of <code>MetalRootPaneUI</code>. |
| 965 | */ |
| 966 | public MetalRootPaneUI() |
| 967 | { |
| 968 | super(); |
| 969 | } |
| 970 | |
| 971 | /** |
| 972 | * Returns a shared instance of <code>MetalRootPaneUI</code>. |
| 973 | * |
| 974 | * @param component the component for which we return an UI instance |
| 975 | * |
| 976 | * @return A shared instance of <code>MetalRootPaneUI</code>. |
| 977 | */ |
| 978 | public static ComponentUI createUI(JComponent component) |
| 979 | { |
| 980 | if (instance == null) |
| 981 | instance = new MetalRootPaneUI(); |
| 982 | return instance; |
| 983 | } |
| 984 | |
| 985 | /** |
| 986 | * Installs this UI to the root pane. If the |
| 987 | * <code>windowDecorationsStyle</code> property is set on the root pane, |
| 988 | * the Metal window decorations are installed on the root pane. |
| 989 | * |
| 990 | * @param c |
| 991 | */ |
| 992 | public void installUI(JComponent c) |
| 993 | { |
| 994 | super.installUI(c); |
| 995 | JRootPane rp = (JRootPane) c; |
| 996 | if (rp.getWindowDecorationStyle() != JRootPane.NONE) |
| 997 | installWindowDecorations(rp); |
| 998 | } |
| 999 | |
| 1000 | /** |
| 1001 | * Uninstalls the UI from the root pane. This performs the superclass |
| 1002 | * behaviour and uninstalls the window decorations that have possibly been |
| 1003 | * installed by {@link #installUI}. |
| 1004 | * |
| 1005 | * @param c the root pane |
| 1006 | */ |
| 1007 | public void uninstallUI(JComponent c) |
| 1008 | { |
| 1009 | JRootPane rp = (JRootPane) c; |
| 1010 | if (rp.getWindowDecorationStyle() != JRootPane.NONE) |
| 1011 | uninstallWindowDecorations(rp); |
| 1012 | super.uninstallUI(c); |
| 1013 | } |
| 1014 | |
| 1015 | /** |
| 1016 | * Receives notification if any of the JRootPane's property changes. In |
| 1017 | * particular this catches changes to the <code>windowDecorationStyle</code> |
| 1018 | * property and installs the window decorations accordingly. |
| 1019 | * |
| 1020 | * @param ev the property change event |
| 1021 | */ |
| 1022 | public void propertyChange(PropertyChangeEvent ev) |
| 1023 | { |
| 1024 | super.propertyChange(ev); |
| 1025 | String propertyName = ev.getPropertyName(); |
| 1026 | if (propertyName.equals("windowDecorationStyle")) |
| 1027 | { |
| 1028 | JRootPane rp = (JRootPane) ev.getSource(); |
| 1029 | if (rp.getWindowDecorationStyle() != JRootPane.NONE) |
| 1030 | installWindowDecorations(rp); |
| 1031 | else |
| 1032 | uninstallWindowDecorations(rp); |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | /** |
| 1037 | * Installs the window decorations to the root pane. This sets up a border, |
| 1038 | * a title pane and a layout manager that can layout the root pane with that |
| 1039 | * title pane. |
| 1040 | * |
| 1041 | * @param rp the root pane. |
| 1042 | */ |
| 1043 | private void installWindowDecorations(JRootPane rp) |
| 1044 | { |
| 1045 | rp.setBorder(new MetalFrameBorder()); |
| 1046 | MetalTitlePane titlePane = new MetalTitlePane(rp); |
| 1047 | rp.setLayout(new MetalRootLayout(titlePane)); |
| 1048 | // We should have a contentPane already. |
| 1049 | assert rp.getLayeredPane().getComponentCount() > 0 |
| 1050 | : "We should have a contentPane already"; |
| 1051 | |
| 1052 | rp.getLayeredPane().add(titlePane, |
| 1053 | JLayeredPane.FRAME_CONTENT_LAYER, 1); |
| 1054 | } |
| 1055 | |
| 1056 | /** |
| 1057 | * Uninstalls the window decorations from the root pane. This should rarely |
| 1058 | * be necessary, but we do it anyway. |
| 1059 | * |
| 1060 | * @param rp the root pane |
| 1061 | */ |
| 1062 | private void uninstallWindowDecorations(JRootPane rp) |
| 1063 | { |
| 1064 | rp.setBorder(null); |
| 1065 | JLayeredPane lp = rp.getLayeredPane(); |
| 1066 | for (int i = lp.getComponentCount() - 1; i >= 0; --i) |
| 1067 | { |
| 1068 | if (lp.getComponent(i) instanceof MetalTitlePane) |
| 1069 | { |
| 1070 | lp.remove(i); |
| 1071 | break; |
| 1072 | } |
| 1073 | } |
| 1074 | } |
| 1075 | } |