1 /* GNULookAndFeel.java -- An example of using the javax.swing UI. 2 Copyright (C) 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath examples. 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 22 package gnu.javax.swing.plaf.gnu; 23 24 import java.awt.Color; 25 import java.awt.Component; 26 import java.awt.Graphics; 27 28 import javax.swing.Icon; 29 import javax.swing.ImageIcon; 30 import javax.swing.JCheckBox; 31 import javax.swing.JRadioButton; 32 import javax.swing.UIDefaults; 33 import javax.swing.plaf.ColorUIResource; 34 import javax.swing.plaf.IconUIResource; 35 import javax.swing.plaf.basic.BasicLookAndFeel; 36 37 public class GNULookAndFeel extends BasicLookAndFeel 38 { 39 40 static Color blueGray = new Color(0xdc, 0xda, 0xd5); 41 isNativeLookAndFeel()42 public boolean isNativeLookAndFeel() { return true; } isSupportedLookAndFeel()43 public boolean isSupportedLookAndFeel() { return true; } getDescription()44 public String getDescription() { return "GNU Look and Feel"; } getID()45 public String getID() { return "GNULookAndFeel"; } getName()46 public String getName() { return "GNU"; } 47 48 static UIDefaults LAF_defaults; 49 50 private final static String iconspath = "/gnu/javax/swing/plaf/gtk/icons/"; 51 getDefaults()52 public UIDefaults getDefaults() 53 { 54 if (LAF_defaults == null) 55 { 56 LAF_defaults = super.getDefaults(); 57 Object[] myDefaults = new Object[] { 58 "Button.background", new ColorUIResource(blueGray), 59 "CheckBox.background", new ColorUIResource(blueGray), 60 "CheckBoxMenuItem.background", new ColorUIResource(blueGray), 61 "ToolBar.background", new ColorUIResource(blueGray), 62 "Panel.background", new ColorUIResource(blueGray), 63 "Slider.background", new ColorUIResource(blueGray), 64 "OptionPane.background", new ColorUIResource(blueGray), 65 "ProgressBar.background", new ColorUIResource(blueGray), 66 "TabbedPane.background", new ColorUIResource(blueGray), 67 "Label.background", new ColorUIResource(blueGray), 68 "Menu.background", new ColorUIResource(blueGray), 69 "MenuBar.background", new ColorUIResource(blueGray), 70 "MenuItem.background", new ColorUIResource(blueGray), 71 "ScrollBar.background", new ColorUIResource(blueGray), 72 "CheckBox.icon", new CheckBoxIcon(), 73 "RadioButton.icon", new RadioButtonIcon(), 74 "Tree.hash", new ColorUIResource(Color.black), 75 76 "Tree.closedIcon", 77 new IconUIResource(new ImageIcon 78 (getClass().getResource 79 (iconspath + "TreeClosed.png"))), 80 "Tree.leafIcon", 81 new IconUIResource(new ImageIcon 82 (getClass().getResource 83 (iconspath + "TreeLeaf.png"))), 84 "Tree.openIcon", 85 new IconUIResource(new ImageIcon 86 (getClass().getResource 87 (iconspath + "TreeOpen.png"))), 88 }; 89 LAF_defaults.putDefaults(myDefaults); 90 } 91 return LAF_defaults; 92 } 93 94 /** 95 * The icon used for CheckBoxes in the BasicLookAndFeel. This is an empty 96 * icon with a size of 13x13 pixels. 97 */ 98 static class CheckBoxIcon 99 implements Icon 100 { 101 /** 102 * Returns the height of the icon. The BasicLookAndFeel CheckBox icon 103 * has a height of 13 pixels. 104 * 105 * @return the height of the icon 106 */ getIconHeight()107 public int getIconHeight() 108 { 109 return 13; 110 } 111 112 /** 113 * Returns the width of the icon. The BasicLookAndFeel CheckBox icon 114 * has a width of 13 pixels. 115 * 116 * @return the height of the icon 117 */ getIconWidth()118 public int getIconWidth() 119 { 120 return 13; 121 } 122 123 /** 124 * Paints the icon. The BasicLookAndFeel CheckBox icon is empty and does 125 * not need to be painted. 126 * 127 * @param c the component to be painted 128 * @param g the Graphics context to be painted with 129 * @param x the x position of the icon 130 * @param y the y position of the icon 131 */ paintIcon(Component c, Graphics g, int x, int y)132 public void paintIcon(Component c, Graphics g, int x, int y) 133 { 134 Color save = g.getColor(); 135 g.setColor(c.getForeground()); 136 g.drawRect(x, y, getIconWidth(), getIconHeight()); 137 138 JCheckBox item = (JCheckBox) c; 139 if (item.isSelected()) 140 { 141 g.drawLine(3 + x, 5 + y, 3 + x, 9 + y); 142 g.drawLine(4 + x, 5 + y, 4 + x, 9 + y); 143 g.drawLine(5 + x, 7 + y, 9 + x, 3 + y); 144 g.drawLine(5 + x, 8 + y, 9 + x, 4 + y); 145 } 146 147 g.setColor(save); 148 } 149 } 150 151 /** 152 * The icon used for RadioButtons in the GNULookAndFeel. This is an empty 153 * icon with a size of 13x13 pixels. 154 */ 155 static class RadioButtonIcon 156 implements Icon 157 { 158 /** 159 * Returns the height of the icon. The GNULookAndFeel RadioButton icon 160 * has a height of 13 pixels. 161 * 162 * @return the height of the icon 163 */ getIconHeight()164 public int getIconHeight() 165 { 166 return 13; 167 } 168 169 /** 170 * Returns the width of the icon. The GNULookAndFeel RadioButton icon 171 * has a width of 13 pixels. 172 * 173 * @return the height of the icon 174 */ getIconWidth()175 public int getIconWidth() 176 { 177 return 13; 178 } 179 180 /** 181 * Paints the icon. The GNULookAndFeel RadioButton icon is empty and does 182 * not need to be painted. 183 * 184 * @param c the component to be painted 185 * @param g the Graphics context to be painted with 186 * @param x the x position of the icon 187 * @param y the y position of the icon 188 */ paintIcon(Component c, Graphics g, int x, int y)189 public void paintIcon(Component c, Graphics g, int x, int y) 190 { 191 Color savedColor = g.getColor(); 192 JRadioButton b = (JRadioButton) c; 193 194 // draw outer circle 195 if (b.isEnabled()) 196 g.setColor(Color.GRAY); 197 else 198 g.setColor(Color.GRAY); 199 g.drawLine(x + 2, y + 1, x + 3, y + 1); 200 g.drawLine(x + 4, y, x + 7, y); 201 g.drawLine(x + 8, y + 1, x + 9, y + 1); 202 g.drawLine(x + 10, y + 2, x + 10, y + 3); 203 g.drawLine(x + 11, y + 4, x + 11, y + 7); 204 g.drawLine(x + 10, y + 8, x + 10, y + 9); 205 g.drawLine(x + 8, y + 10, x + 9, y + 10); 206 g.drawLine(x + 4, y + 11, x + 7, y + 11); 207 g.drawLine(x + 2, y + 10, x + 3, y + 10); 208 g.drawLine(x + 1, y + 9, x + 1, y + 8); 209 g.drawLine(x, y + 7, x, y + 4); 210 g.drawLine(x + 1, y + 2, x + 1, y + 3); 211 212 if (b.getModel().isArmed()) 213 { 214 g.setColor(Color.GRAY); 215 g.drawLine(x + 4, y + 1, x + 7, y + 1); 216 g.drawLine(x + 4, y + 10, x + 7, y + 10); 217 g.drawLine(x + 1, y + 4, x + 1, y + 7); 218 g.drawLine(x + 10, y + 4, x + 10, y + 7); 219 g.fillRect(x + 2, y + 2, 8, 8); 220 } 221 else 222 { 223 // only draw inner highlight if not filled 224 if (b.isEnabled()) 225 { 226 g.setColor(Color.WHITE); 227 228 g.drawLine(x + 2, y + 8, x + 2, y + 9); 229 g.drawLine(x + 1, y + 4, x + 1, y + 7); 230 g.drawLine(x + 2, y + 2, x + 2, y + 3); 231 g.drawLine(x + 3, y + 2, x + 3, y + 2); 232 g.drawLine(x + 4, y + 1, x + 7, y + 1); 233 g.drawLine(x + 8, y + 2, x + 9, y + 2); 234 } 235 } 236 237 // draw outer highlight 238 if (b.isEnabled()) 239 { 240 g.setColor(Color.WHITE); 241 242 // outer 243 g.drawLine(x + 10, y + 1, x + 10, y + 1); 244 g.drawLine(x + 11, y + 2, x + 11, y + 3); 245 g.drawLine(x + 12, y + 4, x + 12, y + 7); 246 g.drawLine(x + 11, y + 8, x + 11, y + 9); 247 g.drawLine(x + 10, y + 10, x + 10, y + 10); 248 g.drawLine(x + 8, y + 11, x + 9, y + 11); 249 g.drawLine(x + 4, y + 12, x + 7, y + 12); 250 g.drawLine(x + 2, y + 11, x + 3, y + 11); 251 } 252 253 if (b.isSelected()) 254 { 255 if (b.isEnabled()) 256 g.setColor(Color.BLACK); 257 else 258 g.setColor(Color.GRAY); 259 g.drawLine(x + 4, y + 3, x + 7, y + 3); 260 g.fillRect(x + 3, y + 4, 6, 4); 261 g.drawLine(x + 4, y + 8, x + 7, y + 8); 262 } 263 g.setColor(savedColor); 264 } 265 } 266 } 267