Source Code Cross Referenced for SystemColor.java in  » 6.0-JDK-Modules » j2me » java » awt » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » java.awt 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * @(#)SystemColor.java	1.17 06/10/10
003:         *
004:         * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
006:         * 
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU General Public License version
009:         * 2 only, as published by the Free Software Foundation. 
010:         * 
011:         * This program is distributed in the hope that it will be useful, but
012:         * WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014:         * General Public License version 2 for more details (a copy is
015:         * included at /legal/license.txt). 
016:         * 
017:         * You should have received a copy of the GNU General Public License
018:         * version 2 along with this work; if not, write to the Free Software
019:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA 
021:         * 
022:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
023:         * Clara, CA 95054 or visit www.sun.com if you need additional
024:         * information or have any questions. 
025:         *
026:         */
027:        package java.awt;
028:
029:        /**
030:         * A class to encapsulate symbolic colors representing the color
031:         * of GUI objects on a system.  For systems which support the dynamic
032:         * update of the system colors (when the user changes the colors)
033:         * the actual RGB values of these symbolic colors will also change
034:         * dynamically.  In order to compare the "current" RGB value of a SystemColor
035:         * object with a non-symbolic Color object, getRGB() should be used
036:         * rather than equals(). 
037:         *
038:         * @version 	1.13, 08/19/02
039:         * @author 	Carl Quinn
040:         * @author      Amy Fowler
041:         */
042:        public final class SystemColor extends Color implements 
043:                java.io.Serializable {
044:            /**
045:             * The array index for the desktop background color.
046:             */
047:            public final static int DESKTOP = 0;
048:            /**
049:             * The array index for the active caption background color.
050:             */
051:            public final static int ACTIVE_CAPTION = 1;
052:            /**
053:             * The array index for the action caption text color.
054:             */
055:            public final static int ACTIVE_CAPTION_TEXT = 2;
056:            /**
057:             * The array index for the active caption border color.
058:             */
059:            public final static int ACTIVE_CAPTION_BORDER = 3;
060:            /**
061:             * The array index for the inactive caption background color.
062:             */
063:            public final static int INACTIVE_CAPTION = 4;
064:            /**
065:             * The array index for the inactive caption text color.
066:             */
067:            public final static int INACTIVE_CAPTION_TEXT = 5;
068:            /**
069:             * The array index for the inactive caption border color.
070:             */
071:            public final static int INACTIVE_CAPTION_BORDER = 6;
072:            /**
073:             * The array index for the window background color.
074:             */
075:            public final static int WINDOW = 7;
076:            /**
077:             * The array index for the window border color.
078:             */
079:            public final static int WINDOW_BORDER = 8;
080:            /**
081:             * The array index for the window text color.
082:             */
083:            public final static int WINDOW_TEXT = 9;
084:            /**
085:             * The array index for the menu background color.
086:             */
087:            public final static int MENU = 10;
088:            /**
089:             * The array index for the menu text color.
090:             */
091:            public final static int MENU_TEXT = 11;
092:            /**
093:             * The array index for the text background color.
094:             */
095:            public final static int TEXT = 12;
096:            /**
097:             * The array index for the text text color.
098:             */
099:            public final static int TEXT_TEXT = 13;
100:            /**
101:             * The array index for the text highlight color.
102:             */
103:            public final static int TEXT_HIGHLIGHT = 14;
104:            /**
105:             * The array index for the text highlight text color.
106:             */
107:            public final static int TEXT_HIGHLIGHT_TEXT = 15;
108:            /**
109:             * The array index for the text inactive text color.
110:             */
111:            public final static int TEXT_INACTIVE_TEXT = 16;
112:            /**
113:             * The array index for the control background color.
114:             */
115:            public final static int CONTROL = 17;
116:            /**
117:             * The array index for the control text color.
118:             */
119:            public final static int CONTROL_TEXT = 18;
120:            /**
121:             * The array index for the control highlight color.
122:             */
123:            public final static int CONTROL_HIGHLIGHT = 19;
124:            /**
125:             * The array index for the control light highlight color.
126:             */
127:            public final static int CONTROL_LT_HIGHLIGHT = 20;
128:            /**
129:             * The array index for the control shadow color.
130:             */
131:            public final static int CONTROL_SHADOW = 21;
132:            /**
133:             * The array index for the control dark shadow color.
134:             */
135:            public final static int CONTROL_DK_SHADOW = 22;
136:            /**
137:             * The array index for the scrollbar background color.
138:             */
139:            public final static int SCROLLBAR = 23;
140:            /**
141:             * The array index for the info background color.
142:             */
143:            public final static int INFO = 24;
144:            /**
145:             * The array index for the info text color.
146:             */
147:            public final static int INFO_TEXT = 25;
148:            /**
149:             * The number of system colors in the array.
150:             */
151:            public final static int NUM_COLORS = 26;
152:            /**
153:             * The color of the desktop background.
154:             */
155:            public final static SystemColor desktop = new SystemColor(
156:                    (byte) DESKTOP);
157:            /**
158:             * The background color for captions in window borders.
159:             */
160:            public final static SystemColor activeCaption = new SystemColor(
161:                    (byte) ACTIVE_CAPTION);
162:            /**
163:             * The text color for captions in window borders.
164:             */
165:            public final static SystemColor activeCaptionText = new SystemColor(
166:                    (byte) ACTIVE_CAPTION_TEXT);
167:            /**
168:             * The border color for captions in window borders.
169:             */
170:            public final static SystemColor activeCaptionBorder = new SystemColor(
171:                    (byte) ACTIVE_CAPTION_BORDER);
172:            /**
173:             * The background color for inactive captions in window borders.
174:             */
175:            public final static SystemColor inactiveCaption = new SystemColor(
176:                    (byte) INACTIVE_CAPTION);
177:            /**
178:             * The text color for inactive captions in window borders.
179:             */
180:            public final static SystemColor inactiveCaptionText = new SystemColor(
181:                    (byte) INACTIVE_CAPTION_TEXT);
182:            /**
183:             * The border color for inactive captios in window borders.
184:             */
185:            public final static SystemColor inactiveCaptionBorder = new SystemColor(
186:                    (byte) INACTIVE_CAPTION_BORDER);
187:            /**
188:             * The background color for windows.
189:             */
190:            public final static SystemColor window = new SystemColor(
191:                    (byte) WINDOW);
192:            /**
193:             * The border color for windows.
194:             */
195:            public final static SystemColor windowBorder = new SystemColor(
196:                    (byte) WINDOW_BORDER);
197:            /**
198:             * The text color for windows.
199:             */
200:            public final static SystemColor windowText = new SystemColor(
201:                    (byte) WINDOW_TEXT);
202:            /**
203:             * The background color for menus.
204:             */
205:            public final static SystemColor menu = new SystemColor((byte) MENU);
206:            /**
207:             * The text color for menus.
208:             */
209:            public final static SystemColor menuText = new SystemColor(
210:                    (byte) MENU_TEXT);
211:            /**
212:             * The background color for text components.
213:             */
214:            public final static SystemColor text = new SystemColor((byte) TEXT);
215:            /**
216:             * The text color for text components.
217:             */
218:            public final static SystemColor textText = new SystemColor(
219:                    (byte) TEXT_TEXT);
220:            /**
221:             * The background color for highlighted text.
222:             */
223:            public final static SystemColor textHighlight = new SystemColor(
224:                    (byte) TEXT_HIGHLIGHT);
225:            /**
226:             * The text color for highlighted text.
227:             */
228:            public final static SystemColor textHighlightText = new SystemColor(
229:                    (byte) TEXT_HIGHLIGHT_TEXT);
230:            /**
231:             * The text color for inactive text.
232:             */
233:            public final static SystemColor textInactiveText = new SystemColor(
234:                    (byte) TEXT_INACTIVE_TEXT);
235:            /**
236:             * The background color for control objects.
237:             */
238:            public final static SystemColor control = new SystemColor(
239:                    (byte) CONTROL);
240:            /**
241:             * The text color for control objects.
242:             */
243:            public final static SystemColor controlText = new SystemColor(
244:                    (byte) CONTROL_TEXT);
245:            /**
246:             * The regular highlight color for control objects.
247:             */
248:            public final static SystemColor controlHighlight = new SystemColor(
249:                    (byte) CONTROL_HIGHLIGHT);
250:            /**
251:             * The light highlight color for control objects.
252:             */
253:            public final static SystemColor controlLtHighlight = new SystemColor(
254:                    (byte) CONTROL_LT_HIGHLIGHT);
255:            /**
256:             * The regular shadow color for control objects.
257:             */
258:            public final static SystemColor controlShadow = new SystemColor(
259:                    (byte) CONTROL_SHADOW);
260:            /**
261:             * The dark shadow color for control objects.
262:             */
263:            public final static SystemColor controlDkShadow = new SystemColor(
264:                    (byte) CONTROL_DK_SHADOW);
265:            /**
266:             * The background color for scrollbars.
267:             */
268:            public final static SystemColor scrollbar = new SystemColor(
269:                    (byte) SCROLLBAR);
270:            /**
271:             * The background color for info(help) text.
272:             */
273:            public final static SystemColor info = new SystemColor((byte) INFO);
274:            /**
275:             * The text color for info(help) text.
276:             */
277:            public final static SystemColor infoText = new SystemColor(
278:                    (byte) INFO_TEXT);
279:            /*
280:             * System colors with default initial values, overwritten by toolkit if 
281:             * system values differ and are available.
282:             */
283:            private static int[] systemColors = { 0xFF005C5C, // desktop = new Color(0,92,92);
284:                    0xFF000080, // activeCaption = new Color(0,0,128);
285:                    0xFFFFFFFF, // activeCaptionText = Color.white;
286:                    0xFFC0C0C0, // activeCaptionBorder = Color.lightGray;
287:                    0xFF808080, // inactiveCaption = Color.gray;
288:                    0xFFC0C0C0, // inactiveCaptionText = Color.lightGray;
289:                    0xFFC0C0C0, // inactiveCaptionBorder = Color.lightGray;
290:                    0xFFFFFFFF, // window = Color.white;
291:                    0xFF000000, // windowBorder = Color.black;
292:                    0xFF000000, // windowText = Color.black;
293:                    0xFFC0C0C0, // menu = Color.lightGray;
294:                    0xFF000000, // menuText = Color.black;
295:                    0xFFC0C0C0, // text = Color.lightGray;
296:                    0xFF000000, // textText = Color.black;
297:                    0xFF000080, // textHighlight = new Color(0,0,128);
298:                    0xFFFFFFFF, // textHighlightText = Color.white;
299:                    0xFF808080, // textInactiveText = Color.gray;
300:                    0xFFC0C0C0, // control = Color.lightGray;
301:                    0xFF000000, // controlText = Color.black;
302:                    0xFFFFFFFF, // controlHighlight = Color.white;
303:                    0xFFE0E0E0, // controlLtHighlight = new Color(224,224,224);
304:                    0xFF808080, // controlShadow = Color.gray;
305:                    0xFF000000, // controlDkShadow = Color.black;
306:                    0xFFE0E0E0, // scrollbar = new Color(224,224,224);
307:                    0xFFE0E000, // info = new Color(224,224,0);
308:                    0xFF000000, // infoText = Color.black;
309:            };
310:            /*
311:             * JDK 1.1 serialVersionUID 
312:             */
313:            private static final long serialVersionUID = 4503142729533789064L;
314:            static {
315:                updateSystemColors();
316:            }
317:
318:            /**
319:             * called from <init> & toolkit to update the above systemColors cache
320:             */
321:            private static void updateSystemColors() {
322:                Toolkit.getDefaultToolkit().loadSystemColors(systemColors);
323:            }
324:
325:            /**
326:             * Create a symbolic color that represents an indexed entry into system
327:             * color cache. Used by above static system colors.
328:             */
329:            private SystemColor(byte index) {
330:                super (0, 0, 0);
331:                value = index;
332:            }
333:
334:            /**
335:             * Gets the "current" RGB value representing the symbolic color.
336:             * (Bits 24-31 are 0xff, 16-23 are red, 8-15 are green, 0-7 are blue).
337:             * @see java.awt.image.ColorModel#getRGBdefault
338:             * @see java.awt.Color#getBlue
339:             * @see java.awt.Color#getGreen
340:             * @see java.awt.Color#getRed
341:             */
342:            public int getRGB() {
343:                return systemColors[value];
344:            }
345:
346:            /**
347:             * Returns the String representation of this Color's values.
348:             */
349:            public String toString() {
350:                return getClass().getName() + "[i=" + (value) + "]";
351:            }
352:        }
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