J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 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 | package com.sun.java.swing.plaf.motif; |
| 26 | |
| 27 | import java.awt.*; |
| 28 | import javax.swing.*; |
| 29 | import javax.swing.plaf.*; |
| 30 | import javax.swing.border.*; |
| 31 | import javax.swing.plaf.basic.*; |
| 32 | import java.io.Serializable; |
| 33 | import java.awt.event.*; |
| 34 | import java.beans.*; |
| 35 | |
| 36 | /** |
| 37 | * ComboBox motif look and feel |
| 38 | * <p> * <strong>Warning:</strong> |
| 39 | * Serialized objects of this class will not be compatible with |
| 40 | * future Swing releases. The current serialization support is appropriate |
| 41 | * for short term storage or RMI between applications running the same |
| 42 | * version of Swing. A future release of Swing will provide support for |
| 43 | * long term persistence. |
| 44 | * |
| 45 | * @author Arnaud Weber |
| 46 | */ |
| 47 | public class MotifComboBoxUI extends BasicComboBoxUI implements Serializable { |
| 48 | Icon arrowIcon; |
| 49 | static final int HORIZ_MARGIN = 3; |
| 50 | |
| 51 | public static ComponentUI createUI(JComponent c) { |
| 52 | return new MotifComboBoxUI(); |
| 53 | } |
| 54 | |
| 55 | public void installUI(JComponent c) { |
| 56 | super.installUI(c); |
| 57 | arrowIcon = new MotifComboBoxArrowIcon(UIManager.getColor("controlHighlight"), |
| 58 | UIManager.getColor("controlShadow"), |
| 59 | UIManager.getColor("control")); |
| 60 | |
| 61 | Runnable initCode = new Runnable() { |
| 62 | public void run(){ |
| 63 | if ( motifGetEditor() != null ) { |
| 64 | motifGetEditor().setBackground( UIManager.getColor( "text" ) ); |
| 65 | } |
| 66 | } |
| 67 | }; |
| 68 | |
| 69 | SwingUtilities.invokeLater( initCode ); |
| 70 | } |
| 71 | |
| 72 | public Dimension getMinimumSize( JComponent c ) { |
| 73 | if ( !isMinimumSizeDirty ) { |
| 74 | return new Dimension( cachedMinimumSize ); |
| 75 | } |
| 76 | Dimension size; |
| 77 | Insets insets = getInsets(); |
| 78 | size = getDisplaySize(); |
| 79 | size.height += insets.top + insets.bottom; |
| 80 | int buttonSize = iconAreaWidth(); |
| 81 | size.width += insets.left + insets.right + buttonSize; |
| 82 | |
| 83 | cachedMinimumSize.setSize( size.width, size.height ); |
| 84 | isMinimumSizeDirty = false; |
| 85 | |
| 86 | return size; |
| 87 | } |
| 88 | |
| 89 | protected ComboPopup createPopup() { |
| 90 | return new MotifComboPopup( comboBox ); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Overriden to empty the MouseMotionListener. |
| 95 | */ |
| 96 | protected class MotifComboPopup extends BasicComboPopup { |
| 97 | |
| 98 | public MotifComboPopup( JComboBox comboBox ) { |
| 99 | super( comboBox ); |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Motif combo popup should not track the mouse in the list. |
| 104 | */ |
| 105 | public MouseMotionListener createListMouseMotionListener() { |
| 106 | return new MouseMotionAdapter() {}; |
| 107 | } |
| 108 | |
| 109 | public KeyListener createKeyListener() { |
| 110 | return super.createKeyListener(); |
| 111 | } |
| 112 | |
| 113 | protected class InvocationKeyHandler extends BasicComboPopup.InvocationKeyHandler { |
| 114 | protected InvocationKeyHandler() { |
| 115 | MotifComboPopup.this.super(); |
| 116 | } |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | protected void installComponents() { |
| 121 | if ( comboBox.isEditable() ) { |
| 122 | addEditor(); |
| 123 | } |
| 124 | |
| 125 | comboBox.add( currentValuePane ); |
| 126 | } |
| 127 | |
| 128 | protected void uninstallComponents() { |
| 129 | removeEditor(); |
| 130 | comboBox.removeAll(); |
| 131 | } |
| 132 | |
| 133 | public void paint(Graphics g, JComponent c) { |
| 134 | boolean hasFocus = comboBox.hasFocus(); |
| 135 | Rectangle r; |
| 136 | |
| 137 | if (comboBox.isEnabled()) { |
| 138 | g.setColor(comboBox.getBackground()); |
| 139 | } else { |
| 140 | g.setColor(UIManager.getColor("ComboBox.disabledBackground")); |
| 141 | } |
| 142 | g.fillRect(0,0,c.getWidth(),c.getHeight()); |
| 143 | |
| 144 | if ( !comboBox.isEditable() ) { |
| 145 | r = rectangleForCurrentValue(); |
| 146 | paintCurrentValue(g,r,hasFocus); |
| 147 | } |
| 148 | r = rectangleForArrowIcon(); |
| 149 | arrowIcon.paintIcon(c,g,r.x,r.y); |
| 150 | if ( !comboBox.isEditable() ) { |
| 151 | Border border = comboBox.getBorder(); |
| 152 | Insets in; |
| 153 | if ( border != null ) { |
| 154 | in = border.getBorderInsets(comboBox); |
| 155 | } |
| 156 | else { |
| 157 | in = new Insets( 0, 0, 0, 0 ); |
| 158 | } |
| 159 | // Draw the separation |
| 160 | if(MotifGraphicsUtils.isLeftToRight(comboBox)) { |
| 161 | r.x -= (HORIZ_MARGIN + 2); |
| 162 | } |
| 163 | else { |
| 164 | r.x += r.width + HORIZ_MARGIN + 1; |
| 165 | } |
| 166 | r.y = in.top; |
| 167 | r.width = 1; |
| 168 | r.height = comboBox.getBounds().height - in.bottom - in.top; |
| 169 | g.setColor(UIManager.getColor("controlShadow")); |
| 170 | g.fillRect(r.x,r.y,r.width,r.height); |
| 171 | r.x++; |
| 172 | g.setColor(UIManager.getColor("controlHighlight")); |
| 173 | g.fillRect(r.x,r.y,r.width,r.height); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | public void paintCurrentValue(Graphics g,Rectangle bounds,boolean hasFocus) { |
| 178 | ListCellRenderer renderer = comboBox.getRenderer(); |
| 179 | Component c; |
| 180 | Dimension d; |
| 181 | c = renderer.getListCellRendererComponent(listBox, comboBox.getSelectedItem(), -1, false, false); |
| 182 | c.setFont(comboBox.getFont()); |
| 183 | if ( comboBox.isEnabled() ) { |
| 184 | c.setForeground(comboBox.getForeground()); |
| 185 | c.setBackground(comboBox.getBackground()); |
| 186 | } |
| 187 | else { |
| 188 | c.setForeground(UIManager.getColor("ComboBox.disabledForeground")); |
| 189 | c.setBackground(UIManager.getColor("ComboBox.disabledBackground")); |
| 190 | } |
| 191 | d = c.getPreferredSize(); |
| 192 | currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y, |
| 193 | bounds.width,d.height); |
| 194 | } |
| 195 | |
| 196 | protected Rectangle rectangleForArrowIcon() { |
| 197 | Rectangle b = comboBox.getBounds(); |
| 198 | Border border = comboBox.getBorder(); |
| 199 | Insets in; |
| 200 | if ( border != null ) { |
| 201 | in = border.getBorderInsets(comboBox); |
| 202 | } |
| 203 | else { |
| 204 | in = new Insets( 0, 0, 0, 0 ); |
| 205 | } |
| 206 | b.x = in.left; |
| 207 | b.y = in.top; |
| 208 | b.width -= (in.left + in.right); |
| 209 | b.height -= (in.top + in.bottom); |
| 210 | |
| 211 | if(MotifGraphicsUtils.isLeftToRight(comboBox)) { |
| 212 | b.x = b.x + b.width - HORIZ_MARGIN - arrowIcon.getIconWidth(); |
| 213 | } |
| 214 | else { |
| 215 | b.x += HORIZ_MARGIN; |
| 216 | } |
| 217 | b.y = b.y + (b.height - arrowIcon.getIconHeight()) / 2; |
| 218 | b.width = arrowIcon.getIconWidth(); |
| 219 | b.height = arrowIcon.getIconHeight(); |
| 220 | return b; |
| 221 | } |
| 222 | |
| 223 | protected Rectangle rectangleForCurrentValue() { |
| 224 | int width = comboBox.getWidth(); |
| 225 | int height = comboBox.getHeight(); |
| 226 | Insets insets = getInsets(); |
| 227 | if(MotifGraphicsUtils.isLeftToRight(comboBox)) { |
| 228 | return new Rectangle(insets.left, insets.top, |
| 229 | (width - (insets.left + insets.right)) - |
| 230 | iconAreaWidth(), |
| 231 | height - (insets.top + insets.bottom)); |
| 232 | } |
| 233 | else { |
| 234 | return new Rectangle(insets.left + iconAreaWidth(), insets.top, |
| 235 | (width - (insets.left + insets.right)) - |
| 236 | iconAreaWidth(), |
| 237 | height - (insets.top + insets.bottom)); |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | public int iconAreaWidth() { |
| 242 | if ( comboBox.isEditable() ) |
| 243 | return arrowIcon.getIconWidth() + (2 * HORIZ_MARGIN); |
| 244 | else |
| 245 | return arrowIcon.getIconWidth() + (3 * HORIZ_MARGIN) + 2; |
| 246 | } |
| 247 | |
| 248 | public void configureEditor() { |
| 249 | super.configureEditor(); |
| 250 | editor.setBackground( UIManager.getColor( "text" ) ); |
| 251 | } |
| 252 | |
| 253 | protected LayoutManager createLayoutManager() { |
| 254 | return new ComboBoxLayoutManager(); |
| 255 | } |
| 256 | |
| 257 | private Component motifGetEditor() { |
| 258 | return editor; |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * This inner class is marked "public" due to a compiler bug. |
| 263 | * This class should be treated as a "protected" inner class. |
| 264 | * Instantiate it only within subclasses of <FooUI>. |
| 265 | */ |
| 266 | public class ComboBoxLayoutManager extends BasicComboBoxUI.ComboBoxLayoutManager { |
| 267 | public ComboBoxLayoutManager() { |
| 268 | MotifComboBoxUI.this.super(); |
| 269 | } |
| 270 | public void layoutContainer(Container parent) { |
| 271 | if ( motifGetEditor() != null ) { |
| 272 | Rectangle cvb = rectangleForCurrentValue(); |
| 273 | cvb.x += 1; |
| 274 | cvb.y += 1; |
| 275 | cvb.width -= 1; |
| 276 | cvb.height -= 2; |
| 277 | motifGetEditor().setBounds(cvb); |
| 278 | } |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | static class MotifComboBoxArrowIcon implements Icon, Serializable { |
| 283 | private Color lightShadow; |
| 284 | private Color darkShadow; |
| 285 | private Color fill; |
| 286 | |
| 287 | public MotifComboBoxArrowIcon(Color lightShadow, Color darkShadow, Color fill) { |
| 288 | this.lightShadow = lightShadow; |
| 289 | this.darkShadow = darkShadow; |
| 290 | this.fill = fill; |
| 291 | } |
| 292 | |
| 293 | |
| 294 | public void paintIcon(Component c, Graphics g, int xo, int yo) { |
| 295 | int w = getIconWidth(); |
| 296 | int h = getIconHeight(); |
| 297 | |
| 298 | g.setColor(lightShadow); |
| 299 | g.drawLine(xo, yo, xo+w-1, yo); |
| 300 | g.drawLine(xo, yo+1, xo+w-3, yo+1); |
| 301 | g.setColor(darkShadow); |
| 302 | g.drawLine(xo+w-2, yo+1, xo+w-1, yo+1); |
| 303 | |
| 304 | for ( int x = xo+1, y = yo+2, dx = w-6; y+1 < yo+h; y += 2 ) { |
| 305 | g.setColor(lightShadow); |
| 306 | g.drawLine(x, y, x+1, y); |
| 307 | g.drawLine(x, y+1, x+1, y+1); |
| 308 | if ( dx > 0 ) { |
| 309 | g.setColor(fill); |
| 310 | g.drawLine(x+2, y, x+1+dx, y); |
| 311 | g.drawLine(x+2, y+1, x+1+dx, y+1); |
| 312 | } |
| 313 | g.setColor(darkShadow); |
| 314 | g.drawLine(x+dx+2, y, x+dx+3, y); |
| 315 | g.drawLine(x+dx+2, y+1, x+dx+3, y+1); |
| 316 | x += 1; |
| 317 | dx -= 2; |
| 318 | } |
| 319 | |
| 320 | g.setColor(darkShadow); |
| 321 | g.drawLine(xo+(w/2), yo+h-1, xo+(w/2), yo+h-1); |
| 322 | |
| 323 | } |
| 324 | |
| 325 | public int getIconWidth() { |
| 326 | return 11; |
| 327 | } |
| 328 | |
| 329 | public int getIconHeight() { |
| 330 | return 11; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | *{@inheritDoc} |
| 336 | * |
| 337 | * @since 1.6 |
| 338 | */ |
| 339 | protected PropertyChangeListener createPropertyChangeListener() { |
| 340 | return new MotifPropertyChangeListener(); |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * This class should be made "protected" in future releases. |
| 345 | */ |
| 346 | private class MotifPropertyChangeListener |
| 347 | extends BasicComboBoxUI.PropertyChangeHandler { |
| 348 | public void propertyChange(PropertyChangeEvent e) { |
| 349 | super.propertyChange(e); |
| 350 | String propertyName = e.getPropertyName(); |
| 351 | if (propertyName == "enabled") { |
| 352 | if (comboBox.isEnabled()) { |
| 353 | Component editor = motifGetEditor(); |
| 354 | if (editor != null) { |
| 355 | editor.setBackground(UIManager.getColor("text")); |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | } |