1 /*
2 * Copyright (c) 2002, 2014, 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.synth;
26
27 import sun.swing.SwingUtilities2;
28 import sun.swing.MenuItemLayoutHelper;
29
30 import java.awt.*;
31 import javax.swing.*;
32 import javax.swing.plaf.basic.BasicHTML;
33 import javax.swing.text.*;
34
35 /**
36 * Wrapper for primitive graphics calls.
37 *
38 * @since 1.5
39 * @author Scott Violet
40 */
41 public class SynthGraphicsUtils {
42 // These are used in the text painting code to avoid allocating a bunch of
43 // garbage.
44 private Rectangle paintIconR = new Rectangle();
45 private Rectangle paintTextR = new Rectangle();
46 private Rectangle paintViewR = new Rectangle();
47 private Insets paintInsets = new Insets(0, 0, 0, 0);
48
49 // These Rectangles/Insets are used in the text size calculation to avoid a
50 // a bunch of garbage.
51 private Rectangle iconR = new Rectangle();
52 private Rectangle textR = new Rectangle();
53 private Rectangle viewR = new Rectangle();
54 private Insets viewSizingInsets = new Insets(0, 0, 0, 0);
55
56 /**
57 * Creates a <code>SynthGraphicsUtils</code>.
58 */
59 public SynthGraphicsUtils() {
60 }
61
62 /**
63 * Draws a line between the two end points.
64 *
65 * @param context Identifies hosting region.
66 * @param paintKey Identifies the portion of the component being asked
67 * to paint, may be null.
68 * @param g Graphics object to paint to
69 * @param x1 x origin
70 * @param y1 y origin
71 * @param x2 x destination
72 * @param y2 y destination
73 */
74 public void drawLine(SynthContext context, Object paintKey,
75 Graphics g, int x1, int y1, int x2, int y2) {
76 g.drawLine(x1, y1, x2, y2);
77 }
78
79 /**
80 * Draws a line between the two end points.
81 * <p>This implementation supports only one line style key,
82 * <code>"dashed"</code>. The <code>"dashed"</code> line style is applied
83 * only to vertical and horizontal lines.
84 * <p>Specifying <code>null</code> or any key different from
85 * <code>"dashed"</code> will draw solid lines.
86 *
87 * @param context identifies hosting region
88 * @param paintKey identifies the portion of the component being asked
89 * to paint, may be null
90 * @param g Graphics object to paint to
91 * @param x1 x origin
92 * @param y1 y origin
93 * @param x2 x destination
94 * @param y2 y destination
95 * @param styleKey identifies the requested style of the line (e.g. "dashed")
96 * @since 1.6
97 */
98 public void drawLine(SynthContext context, Object paintKey,
99 Graphics g, int x1, int y1, int x2, int y2,
100 Object styleKey) {
101 if ("dashed".equals(styleKey)) {
102 // draw vertical line
103 if (x1 == x2) {
104 y1 += (y1 % 2);
105
106 for (int y = y1; y <= y2; y+=2) {
107 g.drawLine(x1, y, x2, y);
108 }
109 // draw horizontal line
110 } else if (y1 == y2) {
111 x1 += (x1 % 2);
112
113 for (int x = x1; x <= x2; x+=2) {
114 g.drawLine(x, y1, x, y2);
115 }
116 // oblique lines are not supported
117 }
118 } else {
119 drawLine(context, paintKey, g, x1, y1, x2, y2);
120 }
121 }
122
123 /**
124 * Lays out text and an icon returning, by reference, the location to
125 * place the icon and text.
126 *
127 * @param ss SynthContext
128 * @param fm FontMetrics for the Font to use, this may be ignored
129 * @param text Text to layout
130 * @param icon Icon to layout
131 * @param hAlign horizontal alignment
132 * @param vAlign vertical alignment
133 * @param hTextPosition horizontal text position
134 * @param vTextPosition vertical text position
135 * @param viewR Rectangle to layout text and icon in.
136 * @param iconR Rectangle to place icon bounds in
137 * @param textR Rectangle to place text in
138 * @param iconTextGap gap between icon and text
139 *
140 * @return by reference, the location to
141 * place the icon and text.
142 */
143 public String layoutText(SynthContext ss, FontMetrics fm,
144 String text, Icon icon, int hAlign,
145 int vAlign, int hTextPosition,
146 int vTextPosition, Rectangle viewR,
147 Rectangle iconR, Rectangle textR, int iconTextGap) {
148 if (icon instanceof SynthIcon) {
149 SynthIconWrapper wrapper = SynthIconWrapper.get((SynthIcon)icon,
150 ss);
151 String formattedText = SwingUtilities.layoutCompoundLabel(
152 ss.getComponent(), fm, text, wrapper, vAlign, hAlign,
153 vTextPosition, hTextPosition, viewR, iconR, textR,
154 iconTextGap);
155 SynthIconWrapper.release(wrapper);
156 return formattedText;
157 }
158 return SwingUtilities.layoutCompoundLabel(
159 ss.getComponent(), fm, text, icon, vAlign, hAlign,
160 vTextPosition, hTextPosition, viewR, iconR, textR,
161 iconTextGap);
162 }
163
164 /**
165 * Returns the size of the passed in string.
166 *
167 * @param ss SynthContext
168 * @param font Font to use
169 * @param metrics FontMetrics, may be ignored
170 * @param text Text to get size of.
171 *
172 * @return the size of the passed in string.
173 */
174 public int computeStringWidth(SynthContext ss, Font font,
175 FontMetrics metrics, String text) {
176 return SwingUtilities2.stringWidth(ss.getComponent(), metrics,
177 text);
178 }
179
180 /**
181 * Returns the minimum size needed to properly render an icon and text.
182 *
183 * @param ss SynthContext
184 * @param font Font to use
185 * @param text Text to layout
186 * @param icon Icon to layout
187 * @param hAlign horizontal alignment
188 * @param vAlign vertical alignment
189 * @param hTextPosition horizontal text position
190 * @param vTextPosition vertical text position
191 * @param iconTextGap gap between icon and text
192 * @param mnemonicIndex Index into text to render the mnemonic at, -1
193 * indicates no mnemonic.
194 *
195 * @return the minimum size needed to properly render an icon and text.
196 */
197 public Dimension getMinimumSize(SynthContext ss, Font font, String text,
198 Icon icon, int hAlign, int vAlign, int hTextPosition,
199 int vTextPosition, int iconTextGap, int mnemonicIndex) {
200 JComponent c = ss.getComponent();
201 Dimension size = getPreferredSize(ss, font, text, icon, hAlign,
202 vAlign, hTextPosition, vTextPosition,
203 iconTextGap, mnemonicIndex);
204 View v = (View) c.getClientProperty(BasicHTML.propertyKey);
205
206 if (v != null) {
207 size.width -= v.getPreferredSpan(View.X_AXIS) -
208 v.getMinimumSpan(View.X_AXIS);
209 }
210 return size;
211 }
212
213 /**
214 * Returns the maximum size needed to properly render an icon and text.
215 *
216 * @param ss SynthContext
217 * @param font Font to use
218 * @param text Text to layout
219 * @param icon Icon to layout
220 * @param hAlign horizontal alignment
221 * @param vAlign vertical alignment
222 * @param hTextPosition horizontal text position
223 * @param vTextPosition vertical text position
224 * @param iconTextGap gap between icon and text
225 * @param mnemonicIndex Index into text to render the mnemonic at, -1
226 * indicates no mnemonic.
227 *
228 * @return the maximum size needed to properly render an icon and text.
229 */
230 public Dimension getMaximumSize(SynthContext ss, Font font, String text,
231 Icon icon, int hAlign, int vAlign, int hTextPosition,
232 int vTextPosition, int iconTextGap, int mnemonicIndex) {
233 JComponent c = ss.getComponent();
234 Dimension size = getPreferredSize(ss, font, text, icon, hAlign,
235 vAlign, hTextPosition, vTextPosition,
236 iconTextGap, mnemonicIndex);
237 View v = (View) c.getClientProperty(BasicHTML.propertyKey);
238
239 if (v != null) {
240 size.width += v.getMaximumSpan(View.X_AXIS) -
241 v.getPreferredSpan(View.X_AXIS);
242 }
243 return size;
244 }
245
246 /**
247 * Returns the maximum height of the Font from the passed in
248 * SynthContext.
249 *
250 * @param context SynthContext used to determine font.
251 * @return maximum height of the characters for the font from the passed
252 * in context.
253 */
254 public int getMaximumCharHeight(SynthContext context) {
255 FontMetrics fm = context.getComponent().getFontMetrics(
256 context.getStyle().getFont(context));
257 return (fm.getAscent() + fm.getDescent());
258 }
259
260 /**
261 * Returns the preferred size needed to properly render an icon and text.
262 *
263 * @param ss SynthContext
264 * @param font Font to use
265 * @param text Text to layout
266 * @param icon Icon to layout
267 * @param hAlign horizontal alignment
268 * @param vAlign vertical alignment
269 * @param hTextPosition horizontal text position
270 * @param vTextPosition vertical text position
271 * @param iconTextGap gap between icon and text
272 * @param mnemonicIndex Index into text to render the mnemonic at, -1
273 * indicates no mnemonic.
274 *
275 * @return the preferred size needed to properly render an icon and text.
276 */
277 public Dimension getPreferredSize(SynthContext ss, Font font, String text,
278 Icon icon, int hAlign, int vAlign, int hTextPosition,
279 int vTextPosition, int iconTextGap, int mnemonicIndex) {
280 JComponent c = ss.getComponent();
281 Insets insets = c.getInsets(viewSizingInsets);
282 int dx = insets.left + insets.right;
283 int dy = insets.top + insets.bottom;
284
285 if (icon == null && (text == null || font == null)) {
286 return new Dimension(dx, dy);
287 }
288 else if ((text == null) || ((icon != null) && (font == null))) {
289 return new Dimension(getIconWidth(icon, ss) + dx,
290 getIconHeight(icon, ss) + dy);
291 }
292 else {
293 FontMetrics fm = c.getFontMetrics(font);
294
295 iconR.x = iconR.y = iconR.width = iconR.height = 0;
296 textR.x = textR.y = textR.width = textR.height = 0;
297 viewR.x = dx;
298 viewR.y = dy;
299 viewR.width = viewR.height = Short.MAX_VALUE;
300
301 layoutText(ss, fm, text, icon, hAlign, vAlign,
302 hTextPosition, vTextPosition, viewR, iconR, textR,
303 iconTextGap);
304 int x1 = Math.min(iconR.x, textR.x);
305 int x2 = Math.max(iconR.x + iconR.width, textR.x + textR.width);
306 int y1 = Math.min(iconR.y, textR.y);
307 int y2 = Math.max(iconR.y + iconR.height, textR.y + textR.height);
308 Dimension rv = new Dimension(x2 - x1, y2 - y1);
309
310 rv.width += dx;
311 rv.height += dy;
312 return rv;
313 }
314 }
315
316 /**
317 * Paints text at the specified location. This will not attempt to
318 * render the text as html nor will it offset by the insets of the
319 * component.
320 *
321 * @param ss SynthContext
322 * @param g Graphics used to render string in.
323 * @param text Text to render
324 * @param bounds Bounds of the text to be drawn.
325 * @param mnemonicIndex Index to draw string at.
326 */
327 public void paintText(SynthContext ss, Graphics g, String text,
328 Rectangle bounds, int mnemonicIndex) {
329 // Clip the text within textRect bounds
330 Shape oldClip = g.getClip();
331 ((Graphics2D)g).clip(bounds);
332 paintText(ss, g, text, bounds.x, bounds.y, mnemonicIndex);
333 g.setClip(oldClip);
334 }
335
336 /**
337 * Paints text at the specified location. This will not attempt to
338 * render the text as html nor will it offset by the insets of the
339 * component.
340 *
341 * @param ss SynthContext
342 * @param g Graphics used to render string in.
343 * @param text Text to render
344 * @param x X location to draw text at.
345 * @param y Upper left corner to draw text at.
346 * @param mnemonicIndex Index to draw string at.
347 */
348 public void paintText(SynthContext ss, Graphics g, String text,
349 int x, int y, int mnemonicIndex) {
350 if (text != null) {
351 JComponent c = ss.getComponent();
352 FontMetrics fm = SwingUtilities2.getFontMetrics(c, g);
353 y += fm.getAscent();
354 SwingUtilities2.drawStringUnderlineCharAt(c, g, text,
355 mnemonicIndex, x, y);
356 }
357 }
358
359 /**
360 * Paints an icon and text. This will render the text as html, if
361 * necessary, and offset the location by the insets of the component.
362 *
363 * @param ss SynthContext
364 * @param g Graphics to render string and icon into
365 * @param text Text to layout
366 * @param icon Icon to layout
367 * @param hAlign horizontal alignment
368 * @param vAlign vertical alignment
369 * @param hTextPosition horizontal text position
370 * @param vTextPosition vertical text position
371 * @param iconTextGap gap between icon and text
372 * @param mnemonicIndex Index into text to render the mnemonic at, -1
373 * indicates no mnemonic.
374 * @param textOffset Amount to offset the text when painting
375 */
376 public void paintText(SynthContext ss, Graphics g, String text,
377 Icon icon, int hAlign, int vAlign, int hTextPosition,
378 int vTextPosition, int iconTextGap, int mnemonicIndex,
379 int textOffset) {
380 if ((icon == null) && (text == null)) {
381 return;
382 }
383 JComponent c = ss.getComponent();
384 FontMetrics fm = SwingUtilities2.getFontMetrics(c, g);
385 Insets insets = SynthLookAndFeel.getPaintingInsets(ss, paintInsets);
386
387 paintViewR.x = insets.left;
388 paintViewR.y = insets.top;
389 paintViewR.width = c.getWidth() - (insets.left + insets.right);
390 paintViewR.height = c.getHeight() - (insets.top + insets.bottom);
391
392 paintIconR.x = paintIconR.y = paintIconR.width = paintIconR.height = 0;
393 paintTextR.x = paintTextR.y = paintTextR.width = paintTextR.height = 0;
394
395 String clippedText =
396 layoutText(ss, fm, text, icon, hAlign, vAlign,
397 hTextPosition, vTextPosition, paintViewR, paintIconR,
398 paintTextR, iconTextGap);
399
400 if (icon != null) {
401 Color color = g.getColor();
402
403 if (ss.getStyle().getBoolean(ss, "TableHeader.alignSorterArrow", false) &&
404 "TableHeader.renderer".equals(c.getName())) {
405 paintIconR.x = paintViewR.width - paintIconR.width;
406 } else {
407 paintIconR.x += textOffset;
408 }
409 paintIconR.y += textOffset;
410 paintIcon(icon, ss, g, paintIconR.x, paintIconR.y,
411 paintIconR.width, paintIconR.height);
412 g.setColor(color);
413 }
414
415 if (text != null) {
416 View v = (View) c.getClientProperty(BasicHTML.propertyKey);
417
418 if (v != null) {
419 v.paint(g, paintTextR);
420 } else {
421 paintTextR.x += textOffset;
422 paintTextR.y += textOffset;
423
424 paintText(ss, g, clippedText, paintTextR, mnemonicIndex);
425 }
426 }
427 }
428
429 /**
430 * Returns the icon's width.
431 * The {@code getIconWidth(context)} method is called for {@code SynthIcon}.
432 *
433 * @param icon the icon
434 * @param context {@code SynthContext} requesting the icon, may be null.
435 * @return an int specifying the width of the icon.
436 */
437 public static int getIconWidth(Icon icon, SynthContext context) {
438 if (icon == null) {
439 return 0;
440 }
441 if (icon instanceof SynthIcon) {
442 return ((SynthIcon) icon).getIconWidth(context);
443 }
444 return icon.getIconWidth();
445 }
446
447 /**
448 * Returns the icon's height.
449 * The {@code getIconHeight(context)} method is called for {@code SynthIcon}.
450 *
451 * @param icon the icon
452 * @param context {@code SynthContext} requesting the icon, may be null.
453 * @return an int specifying the height of the icon.
454 */
455 public static int getIconHeight(Icon icon, SynthContext context) {
456 if (icon == null) {
457 return 0;
458 }
459 if (icon instanceof SynthIcon) {
460 return ((SynthIcon) icon).getIconHeight(context);
461 }
462 return icon.getIconHeight();
463 }
464
465 /**
466 * Paints the icon. The {@code paintIcon(context, g, x, y, width, height)}
467 * method is called for {@code SynthIcon}.
468 *
469 * @param icon the icon
470 * @param context identifies hosting region, may be null.
471 * @param g the graphics context
472 * @param x the x location to paint to
473 * @param y the y location to paint to
474 * @param width the width of the region to paint to, may be 0
475 * @param height the height of the region to paint to, may be 0
476 */
477 public static void paintIcon(Icon icon, SynthContext context, Graphics g,
478 int x, int y, int width, int height) {
479 if (icon instanceof SynthIcon) {
480 ((SynthIcon) icon).paintIcon(context, g, x, y, width, height);
481 } else if (icon != null) {
482 icon.paintIcon(context.getComponent(), g, x, y);
483 }
484 }
485
486 /**
487 * A quick note about how preferred sizes are calculated... Generally
488 * speaking, SynthPopupMenuUI will run through the list of its children
489 * (from top to bottom) and ask each for its preferred size. Each menu
490 * item will add up the max width of each element (icons, text,
491 * accelerator spacing, accelerator text or arrow icon) encountered thus
492 * far, so by the time all menu items have been calculated, we will
493 * know the maximum (preferred) menu item size for that popup menu.
494 * Later when it comes time to paint each menu item, we can use those
495 * same accumulated max element sizes in order to layout the item.
496 */
497 static Dimension getPreferredMenuItemSize(SynthContext context,
498 SynthContext accContext, JComponent c,
499 Icon checkIcon, Icon arrowIcon, int defaultTextIconGap,
500 String acceleratorDelimiter, boolean useCheckAndArrow,
501 String propertyPrefix) {
502
503 JMenuItem mi = (JMenuItem) c;
504 SynthMenuItemLayoutHelper lh = new SynthMenuItemLayoutHelper(
505 context, accContext, mi, checkIcon, arrowIcon,
506 MenuItemLayoutHelper.createMaxRect(), defaultTextIconGap,
507 acceleratorDelimiter, SynthLookAndFeel.isLeftToRight(mi),
508 useCheckAndArrow, propertyPrefix);
509
510 Dimension result = new Dimension();
511
512 // Calculate the result width
513 int gap = lh.getGap();
514 result.width = 0;
515 MenuItemLayoutHelper.addMaxWidth(lh.getCheckSize(), gap, result);
516 MenuItemLayoutHelper.addMaxWidth(lh.getLabelSize(), gap, result);
517 MenuItemLayoutHelper.addWidth(lh.getMaxAccOrArrowWidth(), 5 * gap, result);
518 // The last gap is unnecessary
519 result.width -= gap;
520
521 // Calculate the result height
522 result.height = MenuItemLayoutHelper.max(lh.getCheckSize().getHeight(),
523 lh.getLabelSize().getHeight(), lh.getAccSize().getHeight(),
524 lh.getArrowSize().getHeight());
525
526 // Take into account menu item insets
527 Insets insets = lh.getMenuItem().getInsets();
528 if (insets != null) {
529 result.width += insets.left + insets.right;
530 result.height += insets.top + insets.bottom;
531 }
532
533 // if the width is even, bump it up one. This is critical
534 // for the focus dash lhne to draw properly
535 if (result.width % 2 == 0) {
536 result.width++;
537 }
538
539 // if the height is even, bump it up one. This is critical
540 // for the text to center properly
541 if (result.height % 2 == 0) {
542 result.height++;
543 }
544
545 return result;
546 }
547
548 static void applyInsets(Rectangle rect, Insets insets, boolean leftToRight) {
549 if (insets != null) {
550 rect.x += (leftToRight ? insets.left : insets.right);
551 rect.y += insets.top;
552 rect.width -= (leftToRight ? insets.right : insets.left) + rect.x;
553 rect.height -= (insets.bottom + rect.y);
554 }
555 }
556
557 static void paint(SynthContext context, SynthContext accContext, Graphics g,
558 Icon checkIcon, Icon arrowIcon, String acceleratorDelimiter,
559 int defaultTextIconGap, String propertyPrefix) {
560 JMenuItem mi = (JMenuItem) context.getComponent();
561 SynthStyle style = context.getStyle();
562 g.setFont(style.getFont(context));
563
564 Rectangle viewRect = new Rectangle(0, 0, mi.getWidth(), mi.getHeight());
565 boolean leftToRight = SynthLookAndFeel.isLeftToRight(mi);
566 applyInsets(viewRect, mi.getInsets(), leftToRight);
567
568 SynthMenuItemLayoutHelper lh = new SynthMenuItemLayoutHelper(
569 context, accContext, mi, checkIcon, arrowIcon, viewRect,
570 defaultTextIconGap, acceleratorDelimiter, leftToRight,
571 MenuItemLayoutHelper.useCheckAndArrow(mi), propertyPrefix);
572 MenuItemLayoutHelper.LayoutResult lr = lh.layoutMenuItem();
573
574 paintMenuItem(g, lh, lr);
575 }
576
577 static void paintMenuItem(Graphics g, SynthMenuItemLayoutHelper lh,
578 MenuItemLayoutHelper.LayoutResult lr) {
579 // Save original graphics font and color
580 Font holdf = g.getFont();
581 Color holdc = g.getColor();
582
583 paintCheckIcon(g, lh, lr);
584 paintIcon(g, lh, lr);
585 paintText(g, lh, lr);
586 paintAccText(g, lh, lr);
587 paintArrowIcon(g, lh, lr);
588
589 // Restore original graphics font and color
590 g.setColor(holdc);
591 g.setFont(holdf);
592 }
593
594 static void paintBackground(Graphics g, SynthMenuItemLayoutHelper lh) {
595 paintBackground(lh.getContext(), g, lh.getMenuItem());
596 }
597
598 static void paintBackground(SynthContext context, Graphics g, JComponent c) {
599 context.getPainter().paintMenuItemBackground(context, g, 0, 0,
600 c.getWidth(), c.getHeight());
601 }
602
603 static void paintIcon(Graphics g, SynthMenuItemLayoutHelper lh,
604 MenuItemLayoutHelper.LayoutResult lr) {
605 if (lh.getIcon() != null) {
606 Icon icon;
607 JMenuItem mi = lh.getMenuItem();
608 ButtonModel model = mi.getModel();
609 if (!model.isEnabled()) {
610 icon = mi.getDisabledIcon();
611 } else if (model.isPressed() && model.isArmed()) {
612 icon = mi.getPressedIcon();
613 if (icon == null) {
614 // Use default icon
615 icon = mi.getIcon();
616 }
617 } else {
618 icon = mi.getIcon();
619 }
620
621 if (icon != null) {
622 Rectangle iconRect = lr.getIconRect();
623 paintIcon(icon, lh.getContext(), g, iconRect.x,
624 iconRect.y, iconRect.width, iconRect.height);
625 }
626 }
627 }
628
629 static void paintCheckIcon(Graphics g, SynthMenuItemLayoutHelper lh,
630 MenuItemLayoutHelper.LayoutResult lr) {
631 if (lh.getCheckIcon() != null) {
632 Rectangle checkRect = lr.getCheckRect();
633 paintIcon(lh.getCheckIcon(), lh.getContext(), g,
634 checkRect.x, checkRect.y, checkRect.width, checkRect.height);
635 }
636 }
637
638 static void paintAccText(Graphics g, SynthMenuItemLayoutHelper lh,
639 MenuItemLayoutHelper.LayoutResult lr) {
640 String accText = lh.getAccText();
641 if (accText != null && !accText.equals("")) {
642 g.setColor(lh.getAccStyle().getColor(lh.getAccContext(),
643 ColorType.TEXT_FOREGROUND));
644 g.setFont(lh.getAccStyle().getFont(lh.getAccContext()));
645 lh.getAccGraphicsUtils().paintText(lh.getAccContext(), g, accText,
646 lr.getAccRect().x, lr.getAccRect().y, -1);
647 }
648 }
649
650 static void paintText(Graphics g, SynthMenuItemLayoutHelper lh,
651 MenuItemLayoutHelper.LayoutResult lr) {
652 if (!lh.getText().equals("")) {
653 if (lh.getHtmlView() != null) {
654 // Text is HTML
655 lh.getHtmlView().paint(g, lr.getTextRect());
656 } else {
657 // Text isn't HTML
658 g.setColor(lh.getStyle().getColor(
659 lh.getContext(), ColorType.TEXT_FOREGROUND));
660 g.setFont(lh.getStyle().getFont(lh.getContext()));
661 lh.getGraphicsUtils().paintText(lh.getContext(), g, lh.getText(),
662 lr.getTextRect().x, lr.getTextRect().y,
663 lh.getMenuItem().getDisplayedMnemonicIndex());
664 }
665 }
666 }
667
668 static void paintArrowIcon(Graphics g, SynthMenuItemLayoutHelper lh,
669 MenuItemLayoutHelper.LayoutResult lr) {
670 if (lh.getArrowIcon() != null) {
671 Rectangle arrowRect = lr.getArrowRect();
672 paintIcon(lh.getArrowIcon(), lh.getContext(), g,
673 arrowRect.x, arrowRect.y, arrowRect.width, arrowRect.height);
674 }
675 }
676
677 /**
678 * Wraps a SynthIcon around the Icon interface, forwarding calls to
679 * the SynthIcon with a given SynthContext.
680 */
681 private static class SynthIconWrapper implements Icon {
682 private static final java.util.List<SynthIconWrapper> CACHE = new java.util.ArrayList<SynthIconWrapper>(1);
683
684 private SynthIcon synthIcon;
685 private SynthContext context;
686
687 static SynthIconWrapper get(SynthIcon icon, SynthContext context) {
688 synchronized(CACHE) {
689 int size = CACHE.size();
690 if (size > 0) {
691 SynthIconWrapper wrapper = CACHE.remove(size - 1);
692 wrapper.reset(icon, context);
693 return wrapper;
694 }
695 }
696 return new SynthIconWrapper(icon, context);
697 }
698
699 static void release(SynthIconWrapper wrapper) {
700 wrapper.reset(null, null);
701 synchronized(CACHE) {
702 CACHE.add(wrapper);
703 }
704 }
705
706 SynthIconWrapper(SynthIcon icon, SynthContext context) {
707 reset(icon, context);
708 }
709
710 void reset(SynthIcon icon, SynthContext context) {
711 synthIcon = icon;
712 this.context = context;
713 }
714
715 public void paintIcon(Component c, Graphics g, int x, int y) {
716 // This is a noop as this should only be for sizing calls.
717 }
718
719 public int getIconWidth() {
720 return synthIcon.getIconWidth(context);
721 }
722
723 public int getIconHeight() {
724 return synthIcon.getIconHeight(context);
725 }
726 }
727 }