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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2008, 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 | package javax.swing.plaf.basic; | ||
| 26 | |||
| 27 | import javax.swing.*; | ||
| 28 | import java.awt.Component; | ||
| 29 | import java.awt.Color; | ||
| 30 | import java.awt.Dimension; | ||
| 31 | import java.awt.Font; | ||
| 32 | import java.awt.FontMetrics; | ||
| 33 | import java.awt.Graphics; | ||
| 34 | import java.awt.Insets; | ||
| 35 | import java.awt.Rectangle; | ||
| 36 | import java.awt.Toolkit; | ||
| 37 | import java.awt.event.KeyEvent; | ||
| 38 | import java.awt.event.InputEvent; | ||
| 39 | |||
| 40 | import sun.swing.SwingUtilities2; | ||
| 41 | |||
| 42 | |||
| 43 | /* | ||
| 44 | * @author Hans Muller | ||
| 45 | */ | ||
| 46 | |||
| 47 | public class BasicGraphicsUtils | ||
| 48 | { | ||
| 49 | |||
| 50 | private static final Insets GROOVE_INSETS = new Insets(2, 2, 2, 2); | ||
| 51 | private static final Insets ETCHED_INSETS = new Insets(2, 2, 2, 2); | ||
| 52 | |||
| 53 | public static void drawEtchedRect(Graphics g, int x, int y, int w, int h, | ||
| 54 | Color shadow, Color darkShadow, | ||
| 55 | Color highlight, Color lightHighlight) | ||
| 56 | { | ||
| 57 | Color oldColor = g.getColor(); // Make no net change to g | ||
| 58 | g.translate(x, y); | ||
| 59 | |||
| 60 | g.setColor(shadow); | ||
| 61 | g.drawLine(0, 0, w-1, 0); // outer border, top | ||
| 62 | g.drawLine(0, 1, 0, h-2); // outer border, left | ||
| 63 | |||
| 64 | g.setColor(darkShadow); | ||
| 65 | g.drawLine(1, 1, w-3, 1); // inner border, top | ||
| 66 | g.drawLine(1, 2, 1, h-3); // inner border, left | ||
| 67 | |||
| 68 | g.setColor(lightHighlight); | ||
| 69 | g.drawLine(w-1, 0, w-1, h-1); // outer border, bottom | ||
| 70 | g.drawLine(0, h-1, w-1, h-1); // outer border, right | ||
| 71 | |||
| 72 | g.setColor(highlight); | ||
| 73 | g.drawLine(w-2, 1, w-2, h-3); // inner border, right | ||
| 74 | g.drawLine(1, h-2, w-2, h-2); // inner border, bottom | ||
| 75 | |||
| 76 | g.translate(-x, -y); | ||
| 77 | g.setColor(oldColor); | ||
| 78 | } | ||
| 79 | |||
| 80 | |||
| 81 | /** | ||
| 82 | * Returns the amount of space taken up by a border drawn by | ||
| 83 | * <code>drawEtchedRect()</code> | ||
| 84 | * | ||
| 85 | * @return the inset of an etched rect | ||
| 86 | */ | ||
| 87 | public static Insets getEtchedInsets() { | ||
| 88 | return ETCHED_INSETS; | ||
| 89 | } | ||
| 90 | |||
| 91 | |||
| 92 | public static void drawGroove(Graphics g, int x, int y, int w, int h, | ||
| 93 | Color shadow, Color highlight) | ||
| 94 | { | ||
| 95 | Color oldColor = g.getColor(); // Make no net change to g | ||
| 96 | g.translate(x, y); | ||
| 97 | |||
| 98 | g.setColor(shadow); | ||
| 99 | g.drawRect(0, 0, w-2, h-2); | ||
| 100 | |||
| 101 | g.setColor(highlight); | ||
| 102 | g.drawLine(1, h-3, 1, 1); | ||
| 103 | g.drawLine(1, 1, w-3, 1); | ||
| 104 | |||
| 105 | g.drawLine(0, h-1, w-1, h-1); | ||
| 106 | g.drawLine(w-1, h-1, w-1, 0); | ||
| 107 | |||
| 108 | g.translate(-x, -y); | ||
| 109 | g.setColor(oldColor); | ||
| 110 | } | ||
| 111 | |||
| 112 | /** | ||
| 113 | * Returns the amount of space taken up by a border drawn by | ||
| 114 | * <code>drawGroove()</code> | ||
| 115 | * | ||
| 116 | * @return the inset of a groove border | ||
| 117 | */ | ||
| 118 | public static Insets getGrooveInsets() { | ||
| 119 | return GROOVE_INSETS; | ||
| 120 | } | ||
| 121 | |||
| 122 | |||
| 123 | public static void drawBezel(Graphics g, int x, int y, int w, int h, | ||
| 124 | boolean isPressed, boolean isDefault, | ||
| 125 | Color shadow, Color darkShadow, | ||
| 126 | Color highlight, Color lightHighlight) | ||
| 127 | { | ||
| 128 | Color oldColor = g.getColor(); // Make no net change to g | ||
| 129 | g.translate(x, y); | ||
| 130 | |||
| 131 | if (isPressed && isDefault) { | ||
| 132 | g.setColor(darkShadow); | ||
| 133 | g.drawRect(0, 0, w - 1, h - 1); | ||
| 134 | g.setColor(shadow); | ||
| 135 | g.drawRect(1, 1, w - 3, h - 3); | ||
| 136 | } else if (isPressed) { | ||
| 137 | drawLoweredBezel(g, x, y, w, h, | ||
| 138 | shadow, darkShadow, highlight, lightHighlight); | ||
| 139 | } else if (isDefault) { | ||
| 140 | g.setColor(darkShadow); | ||
| 141 | g.drawRect(0, 0, w-1, h-1); | ||
| 142 | |||
| 143 | g.setColor(lightHighlight); | ||
| 144 | g.drawLine(1, 1, 1, h-3); | ||
| 145 | g.drawLine(2, 1, w-3, 1); | ||
| 146 | |||
| 147 | g.setColor(highlight); | ||
| 148 | g.drawLine(2, 2, 2, h-4); | ||
| 149 | g.drawLine(3, 2, w-4, 2); | ||
| 150 | |||
| 151 | g.setColor(shadow); | ||
| 152 | g.drawLine(2, h-3, w-3, h-3); | ||
| 153 | g.drawLine(w-3, 2, w-3, h-4); | ||
| 154 | |||
| 155 | g.setColor(darkShadow); | ||
| 156 | g.drawLine(1, h-2, w-2, h-2); | ||
| 157 | g.drawLine(w-2, h-2, w-2, 1); | ||
| 158 | } else { | ||
| 159 | g.setColor(lightHighlight); | ||
| 160 | g.drawLine(0, 0, 0, h-1); | ||
| 161 | g.drawLine(1, 0, w-2, 0); | ||
| 162 | |||
| 163 | g.setColor(highlight); | ||
| 164 | g.drawLine(1, 1, 1, h-3); | ||
| 165 | g.drawLine(2, 1, w-3, 1); | ||
| 166 | |||
| 167 | g.setColor(shadow); | ||
| 168 | g.drawLine(1, h-2, w-2, h-2); | ||
| 169 | g.drawLine(w-2, 1, w-2, h-3); | ||
| 170 | |||
| 171 | g.setColor(darkShadow); | ||
| 172 | g.drawLine(0, h-1, w-1, h-1); | ||
| 173 | g.drawLine(w-1, h-1, w-1, 0); | ||
| 174 | } | ||
| 175 | g.translate(-x, -y); | ||
| 176 | g.setColor(oldColor); | ||
| 177 | } | ||
| 178 | |||
| 179 | public static void drawLoweredBezel(Graphics g, int x, int y, int w, int h, | ||
| 180 | Color shadow, Color darkShadow, | ||
| 181 | Color highlight, Color lightHighlight) { | ||
| 182 | g.setColor(darkShadow); | ||
| 183 | g.drawLine(0, 0, 0, h-1); | ||
| 184 | g.drawLine(1, 0, w-2, 0); | ||
| 185 | |||
| 186 | g.setColor(shadow); | ||
| 187 | g.drawLine(1, 1, 1, h-2); | ||
| 188 | g.drawLine(1, 1, w-3, 1); | ||
| 189 | |||
| 190 | g.setColor(lightHighlight); | ||
| 191 | g.drawLine(0, h-1, w-1, h-1); | ||
| 192 | g.drawLine(w-1, h-1, w-1, 0); | ||
| 193 | |||
| 194 | g.setColor(highlight); | ||
| 195 | g.drawLine(1, h-2, w-2, h-2); | ||
| 196 | g.drawLine(w-2, h-2, w-2, 1); | ||
| 197 | } | ||
| 198 | |||
| 199 | |||
| 200 | /** Draw a string with the graphics <code>g</code> at location (x,y) | ||
| 201 | * just like <code>g.drawString</code> would. | ||
| 202 | * The first occurrence of <code>underlineChar</code> | ||
| 203 | * in text will be underlined. The matching algorithm is | ||
| 204 | * not case sensitive. | ||
| 205 | */ | ||
| 206 | public static void drawString(Graphics g,String text,int underlinedChar,int x,int y) { | ||
| 207 | int index=-1; | ||
| 208 | |||
| 209 | if (underlinedChar != '\0') { | ||
| 210 | char uc = Character.toUpperCase((char)underlinedChar); | ||
| 211 | char lc = Character.toLowerCase((char)underlinedChar); | ||
| 212 | int uci = text.indexOf(uc); | ||
| 213 | int lci = text.indexOf(lc); | ||
| 214 | |||
| 215 | if(uci == -1) { | ||
| 216 | index = lci; | ||
| 217 | } | ||
| 218 | else if(lci == -1) { | ||
| 219 | index = uci; | ||
| 220 | } | ||
| 221 | else { | ||
| 222 | index = (lci < uci) ? lci : uci; | ||
| 223 | } | ||
| 224 | } | ||
| 225 | drawStringUnderlineCharAt(g, text, index, x, y); | ||
| 226 | } | ||
| 227 | |||
| 228 | /** | ||
| 229 | * Draw a string with the graphics <code>g</code> at location | ||
| 230 | * (<code>x</code>, <code>y</code>) | ||
| 231 | * just like <code>g.drawString</code> would. | ||
| 232 | * The character at index <code>underlinedIndex</code> | ||
| 233 | * in text will be underlined. If <code>index</code> is beyond the | ||
| 234 | * bounds of <code>text</code> (including < 0), nothing will be | ||
| 235 | * underlined. | ||
| 236 | * | ||
| 237 | * @param g Graphics to draw with | ||
| 238 | * @param text String to draw | ||
| 239 | * @param underlinedIndex Index of character in text to underline | ||
| 240 | * @param x x coordinate to draw at | ||
| 241 | * @param y y coordinate to draw at | ||
| 242 | * @since 1.4 | ||
| 243 | */ | ||
| 244 | public static void drawStringUnderlineCharAt(Graphics g, String text, | ||
| 245 | int underlinedIndex, int x,int y) { | ||
| 246 | SwingUtilities2.drawStringUnderlineCharAt(null, g, text, | ||
| 247 | underlinedIndex, x, y); | ||
| 248 | } | ||
| 249 | |||
| 250 | public static void drawDashedRect(Graphics g,int x,int y,int width,int height) { | ||
| 251 | int vx,vy; | ||
| 252 | |||
| 253 | // draw upper and lower horizontal dashes | ||
| 254 | for (vx = x; vx < (x + width); vx+=2) { | ||
| 255 | g.fillRect(vx, y, 1, 1); | ||
| 256 | g.fillRect(vx, y + height-1, 1, 1); | ||
| 257 | } | ||
| 258 | |||
| 259 | // draw left and right vertical dashes | ||
| 260 | for (vy = y; vy < (y + height); vy+=2) { | ||
| 261 | g.fillRect(x, vy, 1, 1); | ||
| 262 | g.fillRect(x+width-1, vy, 1, 1); | ||
| 263 | } | ||
| 264 | } | ||
| 265 | |||
| 266 | public static Dimension getPreferredButtonSize(AbstractButton b, int textIconGap) | ||
| 267 | { | ||
| 268 | if(b.getComponentCount() > 0) { | ||
| 269 | return null; | ||
| 270 | } | ||
| 271 | |||
| 272 | Icon icon = b.getIcon(); | ||
| 273 | String text = b.getText(); | ||
| 274 | |||
| 275 | Font font = b.getFont(); | ||
| 276 | FontMetrics fm = b.getFontMetrics(font); | ||
| 277 | |||
| 278 | Rectangle iconR = new Rectangle(); | ||
| 279 | Rectangle textR = new Rectangle(); | ||
| 280 | Rectangle viewR = new Rectangle(Short.MAX_VALUE, Short.MAX_VALUE); | ||
| 281 | |||
| 282 | SwingUtilities.layoutCompoundLabel( | ||
| 283 | b, fm, text, icon, | ||
| 284 | b.getVerticalAlignment(), b.getHorizontalAlignment(), | ||
| 285 | b.getVerticalTextPosition(), b.getHorizontalTextPosition(), | ||
| 286 | viewR, iconR, textR, (text == null ? 0 : textIconGap) | ||
| 287 | ); | ||
| 288 | |||
| 289 | /* The preferred size of the button is the size of | ||
| 290 | * the text and icon rectangles plus the buttons insets. | ||
| 291 | */ | ||
| 292 | |||
| 293 | Rectangle r = iconR.union(textR); | ||
| 294 | |||
| 295 | Insets insets = b.getInsets(); | ||
| 296 | r.width += insets.left + insets.right; | ||
| 297 | r.height += insets.top + insets.bottom; | ||
| 298 | |||
| 299 | return r.getSize(); | ||
| 300 | } | ||
| 301 | |||
| 302 | /* | ||
| 303 | * Convenience function for determining ComponentOrientation. Helps us | ||
| 304 | * avoid having Munge directives throughout the code. | ||
| 305 | */ | ||
| 306 | static boolean isLeftToRight( Component c ) { | ||
| 307 | return c.getComponentOrientation().isLeftToRight(); | ||
| 308 | } | ||
| 309 | |||
| 310 | static boolean isMenuShortcutKeyDown(InputEvent event) { | ||
| 311 | return (event.getModifiers() & | ||
| 312 | Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()) != 0; | ||
| 313 | } | ||
| 314 | } | ||