1 /*
2 * Copyright (c) 2001, 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
26 package com.sun.java.swing.plaf.windows;
27
28 import sun.swing.SwingUtilities2;
29
30 import javax.swing.*;
31 import javax.swing.border.*;
32 import javax.swing.UIManager;
33 import javax.swing.plaf.*;
34 import javax.swing.plaf.basic.BasicInternalFrameTitlePane;
35 import java.awt.*;
36 import java.awt.event.*;
37 import java.beans.PropertyChangeEvent;
38 import java.beans.PropertyChangeListener;
39 import java.beans.PropertyVetoException;
40
41 import static com.sun.java.swing.plaf.windows.TMSchema.*;
42 import static com.sun.java.swing.plaf.windows.XPStyle.Skin;
43
44 public class WindowsInternalFrameTitlePane extends BasicInternalFrameTitlePane {
45 private Color selectedTitleGradientColor;
46 private Color notSelectedTitleGradientColor;
47 private JPopupMenu systemPopupMenu;
48 private JLabel systemLabel;
49
50 private Font titleFont;
51 private int titlePaneHeight;
52 private int buttonWidth, buttonHeight;
53 private boolean hotTrackingOn;
54
55 public WindowsInternalFrameTitlePane(JInternalFrame f) {
56 super(f);
57 }
58
59 protected void addSubComponents() {
60 add(systemLabel);
61 add(iconButton);
62 add(maxButton);
63 add(closeButton);
64 }
65
66 protected void installDefaults() {
67 super.installDefaults();
68
69 titlePaneHeight = UIManager.getInt("InternalFrame.titlePaneHeight");
70 buttonWidth = UIManager.getInt("InternalFrame.titleButtonWidth") - 4;
71 buttonHeight = UIManager.getInt("InternalFrame.titleButtonHeight") - 4;
72
73 Object obj = UIManager.get("InternalFrame.titleButtonToolTipsOn");
74 hotTrackingOn = (obj instanceof Boolean) ? (Boolean)obj : true;
75
76
77 if (XPStyle.getXP() != null) {
78 // Fix for XP bug where sometimes these sizes aren't updated properly
79 // Assume for now that height is correct and derive width using the
80 // ratio from the uxtheme part
81 buttonWidth = buttonHeight;
82 Dimension d = XPStyle.getPartSize(Part.WP_CLOSEBUTTON, State.NORMAL);
83 if (d != null && d.width != 0 && d.height != 0) {
84 buttonWidth = (int) ((float) buttonWidth * d.width / d.height);
85 }
86 } else {
87 buttonWidth += 2;
88 Color activeBorderColor =
89 UIManager.getColor("InternalFrame.activeBorderColor");
90 setBorder(BorderFactory.createLineBorder(activeBorderColor, 1));
91 }
92 // JDK-8039383: initialize these colors because getXP() may return null when theme is changed
93 selectedTitleGradientColor =
94 UIManager.getColor("InternalFrame.activeTitleGradient");
95 notSelectedTitleGradientColor =
96 UIManager.getColor("InternalFrame.inactiveTitleGradient");
97 }
98
99 protected void uninstallListeners() {
100 // Get around protected method in superclass
101 super.uninstallListeners();
102 }
103
104 protected void createButtons() {
105 super.createButtons();
106 if (XPStyle.getXP() != null) {
107 iconButton.setContentAreaFilled(false);
108 maxButton.setContentAreaFilled(false);
109 closeButton.setContentAreaFilled(false);
110 }
111 }
112
113 protected void setButtonIcons() {
114 super.setButtonIcons();
115
116 if (!hotTrackingOn) {
117 iconButton.setToolTipText(null);
118 maxButton.setToolTipText(null);
119 closeButton.setToolTipText(null);
120 }
121 }
122
123
124 public void paintComponent(Graphics g) {
125 XPStyle xp = XPStyle.getXP();
126
127 paintTitleBackground(g);
128
129 String title = frame.getTitle();
130 if (title != null) {
131 boolean isSelected = frame.isSelected();
132 Font oldFont = g.getFont();
133 Font newFont = (titleFont != null) ? titleFont : getFont();
134 g.setFont(newFont);
135
136 // Center text vertically.
137 FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g, newFont);
138 int baseline = (getHeight() + fm.getAscent() - fm.getLeading() -
139 fm.getDescent()) / 2;
140
141 Rectangle lastIconBounds = new Rectangle(0, 0, 0, 0);
142 if (frame.isIconifiable()) {
143 lastIconBounds = iconButton.getBounds();
144 } else if (frame.isMaximizable()) {
145 lastIconBounds = maxButton.getBounds();
146 } else if (frame.isClosable()) {
147 lastIconBounds = closeButton.getBounds();
148 }
149
150 int titleX;
151 int titleW;
152 int gap = 2;
153 if (WindowsGraphicsUtils.isLeftToRight(frame)) {
154 if (lastIconBounds.x == 0) { // There are no icons
155 lastIconBounds.x = frame.getWidth() - frame.getInsets().right;
156 }
157 titleX = systemLabel.getX() + systemLabel.getWidth() + gap;
158 if (xp != null) {
159 titleX += 2;
160 }
161 titleW = lastIconBounds.x - titleX - gap;
162 } else {
163 if (lastIconBounds.x == 0) { // There are no icons
164 lastIconBounds.x = frame.getInsets().left;
165 }
166 titleW = SwingUtilities2.stringWidth(frame, fm, title);
167 int minTitleX = lastIconBounds.x + lastIconBounds.width + gap;
168 if (xp != null) {
169 minTitleX += 2;
170 }
171 int availableWidth = systemLabel.getX() - gap - minTitleX;
172 if (availableWidth > titleW) {
173 titleX = systemLabel.getX() - gap - titleW;
174 } else {
175 titleX = minTitleX;
176 titleW = availableWidth;
177 }
178 }
179 title = getTitle(frame.getTitle(), fm, titleW);
180
181 if (xp != null) {
182 String shadowType = null;
183 if (isSelected) {
184 shadowType = xp.getString(this, Part.WP_CAPTION,
185 State.ACTIVE, Prop.TEXTSHADOWTYPE);
186 }
187 if ("single".equalsIgnoreCase(shadowType)) {
188 Point shadowOffset = xp.getPoint(this, Part.WP_WINDOW, State.ACTIVE,
189 Prop.TEXTSHADOWOFFSET);
190 Color shadowColor = xp.getColor(this, Part.WP_WINDOW, State.ACTIVE,
191 Prop.TEXTSHADOWCOLOR, null);
192 if (shadowOffset != null && shadowColor != null) {
193 g.setColor(shadowColor);
194 SwingUtilities2.drawString(frame, g, title,
195 titleX + shadowOffset.x,
196 baseline + shadowOffset.y);
197 }
198 }
199 }
200 g.setColor(isSelected ? selectedTextColor : notSelectedTextColor);
201 SwingUtilities2.drawString(frame, g, title, titleX, baseline);
202 g.setFont(oldFont);
203 }
204 }
205
206 public Dimension getPreferredSize() {
207 return getMinimumSize();
208 }
209
210 public Dimension getMinimumSize() {
211 Dimension d = new Dimension(super.getMinimumSize());
212 d.height = titlePaneHeight + 2;
213
214 XPStyle xp = XPStyle.getXP();
215 if (xp != null) {
216 // Note: Don't know how to calculate height on XP,
217 // the captionbarheight is 25 but native caption is 30 (maximized 26)
218 if (frame.isMaximum()) {
219 d.height -= 1;
220 } else {
221 d.height += 3;
222 }
223 }
224 return d;
225 }
226
227 protected void paintTitleBackground(Graphics g) {
228 XPStyle xp = XPStyle.getXP();
229 if (xp != null) {
230 Part part = frame.isIcon() ? Part.WP_MINCAPTION
231 : (frame.isMaximum() ? Part.WP_MAXCAPTION
232 : Part.WP_CAPTION);
233 State state = frame.isSelected() ? State.ACTIVE : State.INACTIVE;
234 Skin skin = xp.getSkin(this, part);
235 skin.paintSkin(g, 0, 0, getWidth(), getHeight(), state);
236 } else {
237 Boolean gradientsOn = (Boolean)LookAndFeel.getDesktopPropertyValue(
238 "win.frame.captionGradientsOn", Boolean.valueOf(false));
239 if (gradientsOn.booleanValue() && g instanceof Graphics2D) {
240 Graphics2D g2 = (Graphics2D)g;
241 Paint savePaint = g2.getPaint();
242
243 boolean isSelected = frame.isSelected();
244 int w = getWidth();
245
246 if (isSelected) {
247 GradientPaint titleGradient = new GradientPaint(0,0,
248 selectedTitleColor,
249 (int)(w*.75),0,
250 selectedTitleGradientColor);
251 g2.setPaint(titleGradient);
252 } else {
253 GradientPaint titleGradient = new GradientPaint(0,0,
254 notSelectedTitleColor,
255 (int)(w*.75),0,
256 notSelectedTitleGradientColor);
257 g2.setPaint(titleGradient);
258 }
259 g2.fillRect(0, 0, getWidth(), getHeight());
260 g2.setPaint(savePaint);
261 } else {
262 super.paintTitleBackground(g);
263 }
264 }
265 }
266
267 protected void assembleSystemMenu() {
268 systemPopupMenu = new JPopupMenu();
269 addSystemMenuItems(systemPopupMenu);
270 enableActions();
271 systemLabel = new JLabel(frame.getFrameIcon()) {
272 protected void paintComponent(Graphics g) {
273 int x = 0;
274 int y = 0;
275 int w = getWidth();
276 int h = getHeight();
277 g = g.create(); // Create scratch graphics
278 if (isOpaque()) {
279 g.setColor(getBackground());
280 g.fillRect(0, 0, w, h);
281 }
282 Icon icon = getIcon();
283 int iconWidth;
284 int iconHeight;
285 if (icon != null &&
286 (iconWidth = icon.getIconWidth()) > 0 &&
287 (iconHeight = icon.getIconHeight()) > 0) {
288
289 // Set drawing scale to make icon scale to our desired size
290 double drawScale;
291 if (iconWidth > iconHeight) {
292 // Center icon vertically
293 y = (h - w*iconHeight/iconWidth) / 2;
294 drawScale = w / (double)iconWidth;
295 } else {
296 // Center icon horizontally
297 x = (w - h*iconWidth/iconHeight) / 2;
298 drawScale = h / (double)iconHeight;
299 }
300 ((Graphics2D)g).translate(x, y);
301 ((Graphics2D)g).scale(drawScale, drawScale);
302 icon.paintIcon(this, g, 0, 0);
303 }
304 g.dispose();
305 }
306 };
307 systemLabel.addMouseListener(new MouseAdapter() {
308 public void mouseClicked(MouseEvent e) {
309 if (e.getClickCount() == 2 && frame.isClosable() &&
310 !frame.isIcon()) {
311 systemPopupMenu.setVisible(false);
312 frame.doDefaultCloseAction();
313 }
314 else {
315 super.mouseClicked(e);
316 }
317 }
318 public void mousePressed(MouseEvent e) {
319 try {
320 frame.setSelected(true);
321 } catch(PropertyVetoException pve) {
322 }
323 showSystemPopupMenu(e.getComponent());
324 }
325 });
326 }
327
328 protected void addSystemMenuItems(JPopupMenu menu) {
329 JMenuItem mi = menu.add(restoreAction);
330 mi.setMnemonic('R');
331 mi = menu.add(moveAction);
332 mi.setMnemonic('M');
333 mi = menu.add(sizeAction);
334 mi.setMnemonic('S');
335 mi = menu.add(iconifyAction);
336 mi.setMnemonic('n');
337 mi = menu.add(maximizeAction);
338 mi.setMnemonic('x');
339 systemPopupMenu.add(new JSeparator());
340 mi = menu.add(closeAction);
341 mi.setMnemonic('C');
342 }
343
344 protected void showSystemMenu(){
345 showSystemPopupMenu(systemLabel);
346 }
347
348 private void showSystemPopupMenu(Component invoker){
349 Dimension dim = new Dimension();
350 Border border = frame.getBorder();
351 if (border != null) {
352 dim.width += border.getBorderInsets(frame).left +
353 border.getBorderInsets(frame).right;
354 dim.height += border.getBorderInsets(frame).bottom +
355 border.getBorderInsets(frame).top;
356 }
357 if (!frame.isIcon()) {
358 systemPopupMenu.show(invoker,
359 getX() - dim.width,
360 getY() + getHeight() - dim.height);
361 } else {
362 systemPopupMenu.show(invoker,
363 getX() - dim.width,
364 getY() - systemPopupMenu.getPreferredSize().height -
365 dim.height);
366 }
367 }
368
369 protected PropertyChangeListener createPropertyChangeListener() {
370 return new WindowsPropertyChangeHandler();
371 }
372
373 protected LayoutManager createLayout() {
374 return new WindowsTitlePaneLayout();
375 }
376
377 public class WindowsTitlePaneLayout extends BasicInternalFrameTitlePane.TitlePaneLayout {
378 private Insets captionMargin = null;
379 private Insets contentMargin = null;
380 private XPStyle xp = XPStyle.getXP();
381
382 WindowsTitlePaneLayout() {
383 if (xp != null) {
384 Component c = WindowsInternalFrameTitlePane.this;
385 captionMargin = xp.getMargin(c, Part.WP_CAPTION, null, Prop.CAPTIONMARGINS);
386 contentMargin = xp.getMargin(c, Part.WP_CAPTION, null, Prop.CONTENTMARGINS);
387 }
388 if (captionMargin == null) {
389 captionMargin = new Insets(0, 2, 0, 2);
390 }
391 if (contentMargin == null) {
392 contentMargin = new Insets(0, 0, 0, 0);
393 }
394 }
395
396 private int layoutButton(JComponent button, Part part,
397 int x, int y, int w, int h, int gap,
398 boolean leftToRight) {
399 if (!leftToRight) {
400 x -= w;
401 }
402 button.setBounds(x, y, w, h);
403 if (leftToRight) {
404 x += w + 2;
405 } else {
406 x -= 2;
407 }
408 return x;
409 }
410
411 public void layoutContainer(Container c) {
412 boolean leftToRight = WindowsGraphicsUtils.isLeftToRight(frame);
413 int x, y;
414 int w = getWidth();
415 int h = getHeight();
416
417 // System button
418 // Note: this icon is square, but the buttons aren't always.
419 int iconSize = (xp != null) ? (h-2)*6/10 : h-4;
420 if (xp != null) {
421 x = (leftToRight) ? captionMargin.left + 2 : w - captionMargin.right - 2;
422 } else {
423 x = (leftToRight) ? captionMargin.left : w - captionMargin.right;
424 }
425 y = (h - iconSize) / 2;
426 layoutButton(systemLabel, Part.WP_SYSBUTTON,
427 x, y, iconSize, iconSize, 0,
428 leftToRight);
429
430 // Right hand buttons
431 if (xp != null) {
432 x = (leftToRight) ? w - captionMargin.right - 2 : captionMargin.left + 2;
433 y = 1; // XP seems to ignore margins and offset here
434 if (frame.isMaximum()) {
435 y += 1;
436 } else {
437 y += 5;
438 }
439 } else {
440 x = (leftToRight) ? w - captionMargin.right : captionMargin.left;
441 y = (h - buttonHeight) / 2;
442 }
443
444 if(frame.isClosable()) {
445 x = layoutButton(closeButton, Part.WP_CLOSEBUTTON,
446 x, y, buttonWidth, buttonHeight, 2,
447 !leftToRight);
448 }
449
450 if(frame.isMaximizable()) {
451 x = layoutButton(maxButton, Part.WP_MAXBUTTON,
452 x, y, buttonWidth, buttonHeight, (xp != null) ? 2 : 0,
453 !leftToRight);
454 }
455
456 if(frame.isIconifiable()) {
457 layoutButton(iconButton, Part.WP_MINBUTTON,
458 x, y, buttonWidth, buttonHeight, 0,
459 !leftToRight);
460 }
461 }
462 } // end WindowsTitlePaneLayout
463
464 public class WindowsPropertyChangeHandler extends PropertyChangeHandler {
465 public void propertyChange(PropertyChangeEvent evt) {
466 String prop = evt.getPropertyName();
467
468 // Update the internal frame icon for the system menu.
469 if (JInternalFrame.FRAME_ICON_PROPERTY.equals(prop) &&
470 systemLabel != null) {
471 systemLabel.setIcon(frame.getFrameIcon());
472 }
473
474 super.propertyChange(evt);
475 }
476 }
477
478 /**
479 * A versatile Icon implementation which can take an array of Icon
480 * instances (typically <code>ImageIcon</code>s) and choose one that gives the best
481 * quality for a given Graphics2D scale factor when painting.
482 * <p>
483 * The class is public so it can be instantiated by UIDefaults.ProxyLazyValue.
484 * <p>
485 * Note: We assume here that icons are square.
486 */
487 public static class ScalableIconUIResource implements Icon, UIResource {
488 // We can use an arbitrary size here because we scale to it in paintIcon()
489 private static final int SIZE = 16;
490
491 private Icon[] icons;
492
493 /**
494 * @params objects an array of Icon or UIDefaults.LazyValue
495 * <p>
496 * The constructor is public so it can be called by UIDefaults.ProxyLazyValue.
497 */
498 public ScalableIconUIResource(Object[] objects) {
499 this.icons = new Icon[objects.length];
500
501 for (int i = 0; i < objects.length; i++) {
502 if (objects[i] instanceof UIDefaults.LazyValue) {
503 icons[i] = (Icon)((UIDefaults.LazyValue)objects[i]).createValue(null);
504 } else {
505 icons[i] = (Icon)objects[i];
506 }
507 }
508 }
509
510 /**
511 * @return the <code>Icon</code> closest to the requested size
512 */
513 protected Icon getBestIcon(int size) {
514 if (icons != null && icons.length > 0) {
515 int bestIndex = 0;
516 int minDiff = Integer.MAX_VALUE;
517 for (int i=0; i < icons.length; i++) {
518 Icon icon = icons[i];
519 int iconSize;
520 if (icon != null && (iconSize = icon.getIconWidth()) > 0) {
521 int diff = Math.abs(iconSize - size);
522 if (diff < minDiff) {
523 minDiff = diff;
524 bestIndex = i;
525 }
526 }
527 }
528 return icons[bestIndex];
529 } else {
530 return null;
531 }
532 }
533
534 public void paintIcon(Component c, Graphics g, int x, int y) {
535 Graphics2D g2d = (Graphics2D)g.create();
536 // Calculate how big our drawing area is in pixels
537 // Assume we are square
538 int size = getIconWidth();
539 double scale = g2d.getTransform().getScaleX();
540 Icon icon = getBestIcon((int)(size * scale));
541 int iconSize;
542 if (icon != null && (iconSize = icon.getIconWidth()) > 0) {
543 // Set drawing scale to make icon act true to our reported size
544 double drawScale = size / (double)iconSize;
545 g2d.translate(x, y);
546 g2d.scale(drawScale, drawScale);
547 icon.paintIcon(c, g2d, 0, 0);
548 }
549 g2d.dispose();
550 }
551
552 public int getIconWidth() {
553 return SIZE;
554 }
555
556 public int getIconHeight() {
557 return SIZE;
558 }
559 }
560 }