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1
7 package javax.swing.plaf.basic;
8
9 import javax.swing.*;
10 import java.awt.Component  ;
11 import java.awt.Color ;
12 import java.awt.Dimension ;
13 import java.awt.Font ;
14 import java.awt.FontMetrics ;
15 import java.awt.Graphics ;
16 import java.awt.Insets ;
17 import java.awt.Rectangle ;
18 import java.awt.event.KeyEvent ;
19 import com.sun.java.swing.SwingUtilities2;
20
21
22
26
27 public class BasicGraphicsUtils
28 {
29
30 private static final Insets GROOVE_INSETS = new Insets (2, 2, 2, 2);
31 private static final Insets ETCHED_INSETS = new Insets (2, 2, 2, 2);
32
33 public static void drawEtchedRect(Graphics g, int x, int y, int w, int h,
34 Color shadow, Color darkShadow,
35 Color highlight, Color lightHighlight)
36 {
37 Color oldColor = g.getColor(); g.translate(x, y);
39
40 g.setColor(shadow);
41 g.drawLine(0, 0, w-1, 0); g.drawLine(0, 1, 0, h-2);
44 g.setColor(darkShadow);
45 g.drawLine(1, 1, w-3, 1); g.drawLine(1, 2, 1, h-3);
48 g.setColor(lightHighlight);
49 g.drawLine(w-1, 0, w-1, h-1); g.drawLine(0, h-1, w-1, h-1);
52 g.setColor(highlight);
53 g.drawLine(w-2, 1, w-2, h-3); g.drawLine(1, h-2, w-2, h-2);
56 g.translate(-x, -y);
57 g.setColor(oldColor);
58 }
59
60
61
67 public static Insets getEtchedInsets() {
68 return ETCHED_INSETS;
69 }
70
71
72 public static void drawGroove(Graphics g, int x, int y, int w, int h,
73 Color shadow, Color highlight)
74 {
75 Color oldColor = g.getColor(); g.translate(x, y);
77
78 g.setColor(shadow);
79 g.drawRect(0, 0, w-2, h-2);
80
81 g.setColor(highlight);
82 g.drawLine(1, h-3, 1, 1);
83 g.drawLine(1, 1, w-3, 1);
84
85 g.drawLine(0, h-1, w-1, h-1);
86 g.drawLine(w-1, h-1, w-1, 0);
87
88 g.translate(-x, -y);
89 g.setColor(oldColor);
90 }
91
92
98 public static Insets getGrooveInsets() {
99 return GROOVE_INSETS;
100 }
101
102
103 public static void drawBezel(Graphics g, int x, int y, int w, int h,
104 boolean isPressed, boolean isDefault,
105 Color shadow, Color darkShadow,
106 Color highlight, Color lightHighlight)
107 {
108 Color oldColor = g.getColor(); g.translate(x, y);
110
111 if (isPressed && isDefault) {
112 g.setColor(darkShadow);
113 g.drawRect(0, 0, w - 1, h - 1);
114 g.setColor(shadow);
115 g.drawRect(1, 1, w - 3, h - 3);
116 } else if (isPressed) {
117 drawLoweredBezel(g, x, y, w, h,
118 shadow, darkShadow, highlight, lightHighlight);
119 } else if (isDefault) {
120 g.setColor(darkShadow);
121 g.drawRect(0, 0, w-1, h-1);
122
123 g.setColor(lightHighlight);
124 g.drawLine(1, 1, 1, h-3);
125 g.drawLine(2, 1, w-3, 1);
126
127 g.setColor(highlight);
128 g.drawLine(2, 2, 2, h-4);
129 g.drawLine(3, 2, w-4, 2);
130
131 g.setColor(shadow);
132 g.drawLine(2, h-3, w-3, h-3);
133 g.drawLine(w-3, 2, w-3, h-4);
134
135 g.setColor(darkShadow);
136 g.drawLine(1, h-2, w-2, h-2);
137 g.drawLine(w-2, h-2, w-2, 1);
138 } else {
139 g.setColor(lightHighlight);
140 g.drawLine(0, 0, 0, h-1);
141 g.drawLine(1, 0, w-2, 0);
142
143 g.setColor(highlight);
144 g.drawLine(1, 1, 1, h-3);
145 g.drawLine(2, 1, w-3, 1);
146
147 g.setColor(shadow);
148 g.drawLine(1, h-2, w-2, h-2);
149 g.drawLine(w-2, 1, w-2, h-3);
150
151 g.setColor(darkShadow);
152 g.drawLine(0, h-1, w-1, h-1);
153 g.drawLine(w-1, h-1, w-1, 0);
154 }
155 g.translate(-x, -y);
156 g.setColor(oldColor);
157 }
158
159 public static void drawLoweredBezel(Graphics g, int x, int y, int w, int h,
160 Color shadow, Color darkShadow,
161 Color highlight, Color lightHighlight) {
162 g.setColor(darkShadow);
163 g.drawLine(0, 0, 0, h-1);
164 g.drawLine(1, 0, w-2, 0);
165
166 g.setColor(shadow);
167 g.drawLine(1, 1, 1, h-2);
168 g.drawLine(1, 1, w-3, 1);
169
170 g.setColor(lightHighlight);
171 g.drawLine(0, h-1, w-1, h-1);
172 g.drawLine(w-1, h-1, w-1, 0);
173
174 g.setColor(highlight);
175 g.drawLine(1, h-2, w-2, h-2);
176 g.drawLine(w-2, h-2, w-2, 1);
177 }
178
179
180
186 public static void drawString(Graphics g,String text,int underlinedChar,int x,int y) {
187 int index=-1;
188
189 if (underlinedChar != '\0') {
190 char uc = Character.toUpperCase((char)underlinedChar);
191 char lc = Character.toLowerCase((char)underlinedChar);
192 int uci = text.indexOf(uc);
193 int lci = text.indexOf(lc);
194
195 if(uci == -1) {
196 index = lci;
197 }
198 else if(lci == -1) {
199 index = uci;
200 }
201 else {
202 index = (lci < uci) ? lci : uci;
203 }
204 }
205 drawStringUnderlineCharAt(g, text, index, x, y);
206 }
207
208
224 public static void drawStringUnderlineCharAt(Graphics g, String text,
225 int underlinedIndex, int x,int y) {
226 SwingUtilities2.drawStringUnderlineCharAt(null, g, text,
227 underlinedIndex, x, y);
228 }
229
230 public static void drawDashedRect(Graphics g,int x,int y,int width,int height) {
231 int vx,vy;
232
233 for (vx = x; vx < (x + width); vx+=2) {
235 g.fillRect(vx, y, 1, 1);
236 g.fillRect(vx, y + height-1, 1, 1);
237 }
238
239 for (vy = y; vy < (y + height); vy+=2) {
241 g.fillRect(x, vy, 1, 1);
242 g.fillRect(x+width-1, vy, 1, 1);
243 }
244 }
245
246 public static Dimension getPreferredButtonSize(AbstractButton b, int textIconGap)
247 {
248 if(b.getComponentCount() > 0) {
249 return null;
250 }
251
252 Icon icon = (Icon) b.getIcon();
253 String text = b.getText();
254
255 Font font = b.getFont();
256 FontMetrics fm = b.getFontMetrics(font);
257
258 Rectangle iconR = new Rectangle ();
259 Rectangle textR = new Rectangle ();
260 Rectangle viewR = new Rectangle (Short.MAX_VALUE, Short.MAX_VALUE);
261
262 SwingUtilities.layoutCompoundLabel(
263 (JComponent) b, fm, text, icon,
264 b.getVerticalAlignment(), b.getHorizontalAlignment(),
265 b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
266 viewR, iconR, textR, (text == null ? 0 : textIconGap)
267 );
268
269
272
273 Rectangle r = iconR.union(textR);
274
275 Insets insets = b.getInsets();
276 r.width += insets.left + insets.right;
277 r.height += insets.top + insets.bottom;
278
279 return r.getSize();
280 }
281
282
286 static boolean isLeftToRight( Component c ) {
287 return c.getComponentOrientation().isLeftToRight();
288 }
289 }
290 |
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