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42873e30 KL |
1 | /* |
2 | * Jexer - Java Text User Interface | |
3 | * | |
4 | * The MIT License (MIT) | |
5 | * | |
a69ed767 | 6 | * Copyright (C) 2019 Kevin Lamonte |
42873e30 KL |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the "Software"), | |
10 | * to deal in the Software without restriction, including without limitation | |
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
12 | * and/or sell copies of the Software, and to permit persons to whom the | |
13 | * Software is furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
24 | * DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
28 | */ | |
29 | package jexer.backend; | |
30 | ||
31 | import java.awt.BorderLayout; | |
32 | import java.awt.Color; | |
33 | import java.awt.Font; | |
34 | import java.awt.FontMetrics; | |
35 | import java.awt.Graphics2D; | |
36 | import java.awt.Graphics; | |
37 | import java.awt.Insets; | |
38 | import java.awt.Rectangle; | |
be72cb5c | 39 | import java.awt.Toolkit; |
42873e30 KL |
40 | import java.awt.event.ComponentEvent; |
41 | import java.awt.event.ComponentListener; | |
42 | import java.awt.event.KeyEvent; | |
43 | import java.awt.event.KeyListener; | |
44 | import java.awt.event.MouseEvent; | |
45 | import java.awt.event.MouseListener; | |
46 | import java.awt.event.MouseMotionListener; | |
47 | import java.awt.event.MouseWheelEvent; | |
48 | import java.awt.event.MouseWheelListener; | |
49 | import java.awt.event.WindowEvent; | |
50 | import java.awt.event.WindowListener; | |
51 | import java.awt.geom.Rectangle2D; | |
52 | import java.awt.image.BufferedImage; | |
53 | import java.io.InputStream; | |
63bb9478 | 54 | import java.util.ArrayList; |
42873e30 | 55 | import java.util.HashMap; |
42873e30 | 56 | import java.util.List; |
d36057df | 57 | import java.util.Map; |
42873e30 KL |
58 | import javax.swing.JComponent; |
59 | import javax.swing.JFrame; | |
d36057df | 60 | import javax.swing.ImageIcon; |
42873e30 KL |
61 | import javax.swing.SwingUtilities; |
62 | ||
63 | import jexer.TKeypress; | |
64 | import jexer.bits.Cell; | |
65 | import jexer.bits.CellAttributes; | |
66 | import jexer.event.TCommandEvent; | |
67 | import jexer.event.TInputEvent; | |
68 | import jexer.event.TKeypressEvent; | |
69 | import jexer.event.TMouseEvent; | |
70 | import jexer.event.TResizeEvent; | |
71 | import static jexer.TCommand.*; | |
72 | import static jexer.TKeypress.*; | |
73 | ||
74 | /** | |
75 | * This Screen backend reads keystrokes and mouse events and draws to either | |
76 | * a Java Swing JFrame (potentially triple-buffered) or a JComponent. | |
77 | * | |
78 | * This class is a bit of an inversion of typical GUI classes. It performs | |
79 | * all of the drawing logic from SwingTerminal (which is not a Swing class), | |
80 | * and uses a SwingComponent wrapper class to call the JFrame or JComponent | |
81 | * methods. | |
82 | */ | |
051e2913 KL |
83 | public class SwingTerminal extends LogicalScreen |
84 | implements TerminalReader, | |
85 | ComponentListener, KeyListener, | |
86 | MouseListener, MouseMotionListener, | |
87 | MouseWheelListener, WindowListener { | |
42873e30 | 88 | |
d36057df KL |
89 | // ------------------------------------------------------------------------ |
90 | // Constants -------------------------------------------------------------- | |
91 | // ------------------------------------------------------------------------ | |
92 | ||
42873e30 | 93 | /** |
d36057df | 94 | * The icon image location. |
42873e30 | 95 | */ |
d36057df | 96 | private static final String ICONFILE = "jexer_logo_128.png"; |
42873e30 | 97 | |
d36057df KL |
98 | /** |
99 | * The terminus font resource filename. | |
100 | */ | |
d1115203 | 101 | public static final String FONTFILE = "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf"; |
42873e30 KL |
102 | |
103 | /** | |
104 | * Cursor style to draw. | |
105 | */ | |
106 | public enum CursorStyle { | |
107 | /** | |
108 | * Use an underscore for the cursor. | |
109 | */ | |
110 | UNDERLINE, | |
111 | ||
112 | /** | |
113 | * Use a solid block for the cursor. | |
114 | */ | |
115 | BLOCK, | |
116 | ||
117 | /** | |
118 | * Use an outlined block for the cursor. | |
119 | */ | |
120 | OUTLINE | |
121 | } | |
122 | ||
d36057df KL |
123 | // ------------------------------------------------------------------------ |
124 | // Variables -------------------------------------------------------------- | |
125 | // ------------------------------------------------------------------------ | |
42873e30 KL |
126 | |
127 | // Colors to map DOS colors to AWT colors. | |
128 | private static Color MYBLACK; | |
129 | private static Color MYRED; | |
130 | private static Color MYGREEN; | |
131 | private static Color MYYELLOW; | |
132 | private static Color MYBLUE; | |
133 | private static Color MYMAGENTA; | |
134 | private static Color MYCYAN; | |
135 | private static Color MYWHITE; | |
136 | private static Color MYBOLD_BLACK; | |
137 | private static Color MYBOLD_RED; | |
138 | private static Color MYBOLD_GREEN; | |
139 | private static Color MYBOLD_YELLOW; | |
140 | private static Color MYBOLD_BLUE; | |
141 | private static Color MYBOLD_MAGENTA; | |
142 | private static Color MYBOLD_CYAN; | |
143 | private static Color MYBOLD_WHITE; | |
144 | ||
145 | /** | |
146 | * When true, all the MYBLACK, MYRED, etc. colors are set. | |
147 | */ | |
148 | private static boolean dosColors = false; | |
149 | ||
150 | /** | |
d36057df | 151 | * The Swing component or frame to draw to. |
42873e30 | 152 | */ |
d36057df | 153 | private SwingComponent swing; |
42873e30 | 154 | |
d36057df KL |
155 | /** |
156 | * A cache of previously-rendered glyphs for blinking text, when it is | |
157 | * not visible. | |
158 | */ | |
159 | private Map<Cell, BufferedImage> glyphCacheBlink; | |
42873e30 KL |
160 | |
161 | /** | |
d36057df KL |
162 | * A cache of previously-rendered glyphs for non-blinking, or |
163 | * blinking-and-visible, text. | |
42873e30 | 164 | */ |
d36057df | 165 | private Map<Cell, BufferedImage> glyphCache; |
42873e30 | 166 | |
42873e30 KL |
167 | /** |
168 | * If true, we were successful at getting the font dimensions. | |
169 | */ | |
170 | private boolean gotFontDimensions = false; | |
171 | ||
172 | /** | |
173 | * The currently selected font. | |
174 | */ | |
175 | private Font font = null; | |
176 | ||
177 | /** | |
178 | * The currently selected font size in points. | |
179 | */ | |
180 | private int fontSize = 16; | |
181 | ||
182 | /** | |
183 | * Width of a character cell in pixels. | |
184 | */ | |
185 | private int textWidth = 1; | |
186 | ||
187 | /** | |
188 | * Height of a character cell in pixels. | |
189 | */ | |
190 | private int textHeight = 1; | |
191 | ||
e23ea538 KL |
192 | /** |
193 | * Width of a character cell in pixels, as reported by font. | |
194 | */ | |
195 | private int fontTextWidth = 1; | |
196 | ||
197 | /** | |
198 | * Height of a character cell in pixels, as reported by font. | |
199 | */ | |
200 | private int fontTextHeight = 1; | |
201 | ||
42873e30 KL |
202 | /** |
203 | * Descent of a character cell in pixels. | |
204 | */ | |
205 | private int maxDescent = 0; | |
206 | ||
207 | /** | |
208 | * System-dependent Y adjustment for text in the character cell. | |
209 | */ | |
210 | private int textAdjustY = 0; | |
211 | ||
212 | /** | |
213 | * System-dependent X adjustment for text in the character cell. | |
214 | */ | |
215 | private int textAdjustX = 0; | |
216 | ||
e23ea538 KL |
217 | /** |
218 | * System-dependent height adjustment for text in the character cell. | |
219 | */ | |
220 | private int textAdjustHeight = 0; | |
221 | ||
222 | /** | |
223 | * System-dependent width adjustment for text in the character cell. | |
224 | */ | |
225 | private int textAdjustWidth = 0; | |
226 | ||
42873e30 KL |
227 | /** |
228 | * Top pixel absolute location. | |
229 | */ | |
230 | private int top = 30; | |
231 | ||
232 | /** | |
233 | * Left pixel absolute location. | |
234 | */ | |
235 | private int left = 30; | |
236 | ||
237 | /** | |
238 | * The cursor style to draw. | |
239 | */ | |
240 | private CursorStyle cursorStyle = CursorStyle.UNDERLINE; | |
241 | ||
242 | /** | |
be72cb5c KL |
243 | * The number of millis to wait before switching the blink from visible |
244 | * to invisible. Set to 0 or negative to disable blinking. | |
42873e30 KL |
245 | */ |
246 | private long blinkMillis = 500; | |
247 | ||
248 | /** | |
249 | * If true, the cursor should be visible right now based on the blink | |
250 | * time. | |
251 | */ | |
252 | private boolean cursorBlinkVisible = true; | |
253 | ||
254 | /** | |
255 | * The time that the blink last flipped from visible to invisible or | |
256 | * from invisible to visible. | |
257 | */ | |
258 | private long lastBlinkTime = 0; | |
259 | ||
260 | /** | |
d36057df | 261 | * The session information. |
42873e30 | 262 | */ |
d36057df | 263 | private SwingSessionInfo sessionInfo; |
42873e30 KL |
264 | |
265 | /** | |
d36057df | 266 | * The listening object that run() wakes up on new input. |
42873e30 | 267 | */ |
d36057df | 268 | private Object listener; |
42873e30 KL |
269 | |
270 | /** | |
d36057df | 271 | * The event queue, filled up by a thread reading on input. |
42873e30 | 272 | */ |
d36057df | 273 | private List<TInputEvent> eventQueue; |
42873e30 KL |
274 | |
275 | /** | |
d36057df | 276 | * The last reported mouse X position. |
42873e30 | 277 | */ |
d36057df | 278 | private int oldMouseX = -1; |
42873e30 KL |
279 | |
280 | /** | |
d36057df | 281 | * The last reported mouse Y position. |
42873e30 | 282 | */ |
d36057df | 283 | private int oldMouseY = -1; |
42873e30 KL |
284 | |
285 | /** | |
d36057df | 286 | * true if mouse1 was down. Used to report mouse1 on the release event. |
42873e30 | 287 | */ |
d36057df | 288 | private boolean mouse1 = false; |
42873e30 KL |
289 | |
290 | /** | |
d36057df | 291 | * true if mouse2 was down. Used to report mouse2 on the release event. |
42873e30 | 292 | */ |
d36057df | 293 | private boolean mouse2 = false; |
42873e30 | 294 | |
d36057df KL |
295 | /** |
296 | * true if mouse3 was down. Used to report mouse3 on the release event. | |
297 | */ | |
298 | private boolean mouse3 = false; | |
42873e30 | 299 | |
d36057df KL |
300 | // ------------------------------------------------------------------------ |
301 | // Constructors ----------------------------------------------------------- | |
302 | // ------------------------------------------------------------------------ | |
42873e30 | 303 | |
9d990083 KL |
304 | /** |
305 | * Static constructor. | |
306 | */ | |
307 | static { | |
308 | setDOSColors(); | |
309 | } | |
310 | ||
d36057df KL |
311 | /** |
312 | * Public constructor creates a new JFrame to render to. | |
313 | * | |
314 | * @param windowWidth the number of text columns to start with | |
315 | * @param windowHeight the number of text rows to start with | |
316 | * @param fontSize the size in points. Good values to pick are: 16, 20, | |
317 | * 22, and 24. | |
318 | * @param listener the object this backend needs to wake up when new | |
319 | * input comes in | |
320 | */ | |
321 | public SwingTerminal(final int windowWidth, final int windowHeight, | |
322 | final int fontSize, final Object listener) { | |
42873e30 | 323 | |
d36057df | 324 | this.fontSize = fontSize; |
42873e30 | 325 | |
e23ea538 | 326 | reloadOptions(); |
42873e30 | 327 | |
d36057df KL |
328 | try { |
329 | SwingUtilities.invokeAndWait(new Runnable() { | |
330 | public void run() { | |
42873e30 | 331 | |
d36057df | 332 | JFrame frame = new JFrame() { |
42873e30 | 333 | |
d36057df KL |
334 | /** |
335 | * Serializable version. | |
336 | */ | |
337 | private static final long serialVersionUID = 1; | |
42873e30 | 338 | |
d36057df KL |
339 | /** |
340 | * The code that performs the actual drawing. | |
341 | */ | |
342 | public SwingTerminal screen = null; | |
42873e30 | 343 | |
d36057df KL |
344 | /* |
345 | * Anonymous class initializer saves the screen | |
346 | * reference, so that paint() and the like call out | |
347 | * to SwingTerminal. | |
348 | */ | |
349 | { | |
350 | this.screen = SwingTerminal.this; | |
351 | } | |
42873e30 | 352 | |
d36057df KL |
353 | /** |
354 | * Update redraws the whole screen. | |
355 | * | |
356 | * @param gr the Swing Graphics context | |
357 | */ | |
358 | @Override | |
359 | public void update(final Graphics gr) { | |
360 | // The default update clears the area. Don't do | |
361 | // that, instead just paint it directly. | |
362 | paint(gr); | |
363 | } | |
42873e30 | 364 | |
d36057df KL |
365 | /** |
366 | * Paint redraws the whole screen. | |
367 | * | |
368 | * @param gr the Swing Graphics context | |
369 | */ | |
370 | @Override | |
371 | public void paint(final Graphics gr) { | |
372 | if (screen != null) { | |
373 | screen.paint(gr); | |
374 | } | |
375 | } | |
376 | }; | |
42873e30 | 377 | |
d36057df KL |
378 | // Set icon |
379 | ClassLoader loader = Thread.currentThread(). | |
380 | getContextClassLoader(); | |
381 | frame.setIconImage((new ImageIcon(loader. | |
382 | getResource(ICONFILE))).getImage()); | |
42873e30 | 383 | |
d36057df KL |
384 | // Get the Swing component |
385 | SwingTerminal.this.swing = new SwingComponent(frame); | |
42873e30 | 386 | |
d36057df KL |
387 | // Hang onto top and left for drawing. |
388 | Insets insets = SwingTerminal.this.swing.getInsets(); | |
389 | SwingTerminal.this.left = insets.left; | |
390 | SwingTerminal.this.top = insets.top; | |
42873e30 | 391 | |
d36057df | 392 | // Load the font so that we can set sessionInfo. |
e23ea538 | 393 | setDefaultFont(); |
42873e30 | 394 | |
d36057df KL |
395 | // Get the default cols x rows and set component size |
396 | // accordingly. | |
397 | SwingTerminal.this.sessionInfo = | |
398 | new SwingSessionInfo(SwingTerminal.this.swing, | |
399 | SwingTerminal.this.textWidth, | |
400 | SwingTerminal.this.textHeight, | |
401 | windowWidth, windowHeight); | |
402 | ||
a69ed767 KL |
403 | SwingTerminal.this.setDimensions(sessionInfo. |
404 | getWindowWidth(), sessionInfo.getWindowHeight()); | |
d36057df KL |
405 | |
406 | SwingTerminal.this.resizeToScreen(); | |
407 | SwingTerminal.this.swing.setVisible(true); | |
408 | } | |
409 | }); | |
a69ed767 KL |
410 | } catch (java.lang.reflect.InvocationTargetException e) { |
411 | e.printStackTrace(); | |
412 | } catch (InterruptedException e) { | |
d36057df | 413 | e.printStackTrace(); |
42873e30 | 414 | } |
42873e30 | 415 | |
d36057df KL |
416 | this.listener = listener; |
417 | mouse1 = false; | |
418 | mouse2 = false; | |
419 | mouse3 = false; | |
63bb9478 | 420 | eventQueue = new ArrayList<TInputEvent>(); |
d36057df KL |
421 | |
422 | // Add listeners to Swing. | |
423 | swing.addKeyListener(this); | |
424 | swing.addWindowListener(this); | |
425 | swing.addComponentListener(this); | |
426 | swing.addMouseListener(this); | |
427 | swing.addMouseMotionListener(this); | |
428 | swing.addMouseWheelListener(this); | |
42873e30 KL |
429 | } |
430 | ||
431 | /** | |
d36057df | 432 | * Public constructor renders to an existing JComponent. |
42873e30 | 433 | * |
d36057df KL |
434 | * @param component the Swing component to render to |
435 | * @param windowWidth the number of text columns to start with | |
436 | * @param windowHeight the number of text rows to start with | |
437 | * @param fontSize the size in points. Good values to pick are: 16, 20, | |
438 | * 22, and 24. | |
439 | * @param listener the object this backend needs to wake up when new | |
440 | * input comes in | |
42873e30 | 441 | */ |
d36057df KL |
442 | public SwingTerminal(final JComponent component, final int windowWidth, |
443 | final int windowHeight, final int fontSize, final Object listener) { | |
42873e30 | 444 | |
d36057df | 445 | this.fontSize = fontSize; |
42873e30 | 446 | |
e23ea538 | 447 | reloadOptions(); |
42873e30 | 448 | |
d36057df KL |
449 | try { |
450 | SwingUtilities.invokeAndWait(new Runnable() { | |
451 | public void run() { | |
42873e30 | 452 | |
d36057df | 453 | JComponent newComponent = new JComponent() { |
42873e30 | 454 | |
d36057df KL |
455 | /** |
456 | * Serializable version. | |
457 | */ | |
458 | private static final long serialVersionUID = 1; | |
42873e30 | 459 | |
d36057df KL |
460 | /** |
461 | * The code that performs the actual drawing. | |
462 | */ | |
463 | public SwingTerminal screen = null; | |
42873e30 | 464 | |
d36057df KL |
465 | /* |
466 | * Anonymous class initializer saves the screen | |
467 | * reference, so that paint() and the like call out | |
468 | * to SwingTerminal. | |
469 | */ | |
470 | { | |
471 | this.screen = SwingTerminal.this; | |
472 | } | |
42873e30 | 473 | |
d36057df KL |
474 | /** |
475 | * Update redraws the whole screen. | |
476 | * | |
477 | * @param gr the Swing Graphics context | |
478 | */ | |
479 | @Override | |
480 | public void update(final Graphics gr) { | |
481 | // The default update clears the area. Don't do | |
482 | // that, instead just paint it directly. | |
483 | paint(gr); | |
484 | } | |
42873e30 | 485 | |
d36057df KL |
486 | /** |
487 | * Paint redraws the whole screen. | |
488 | * | |
489 | * @param gr the Swing Graphics context | |
490 | */ | |
491 | @Override | |
492 | public void paint(final Graphics gr) { | |
493 | if (screen != null) { | |
494 | screen.paint(gr); | |
495 | } | |
496 | } | |
497 | }; | |
498 | component.setLayout(new BorderLayout()); | |
499 | component.add(newComponent); | |
42873e30 | 500 | |
d36057df KL |
501 | // Allow key events to be received |
502 | component.setFocusable(true); | |
e8a11f98 | 503 | |
d36057df KL |
504 | // Get the Swing component |
505 | SwingTerminal.this.swing = new SwingComponent(component); | |
42873e30 | 506 | |
d36057df KL |
507 | // Hang onto top and left for drawing. |
508 | Insets insets = SwingTerminal.this.swing.getInsets(); | |
509 | SwingTerminal.this.left = insets.left; | |
510 | SwingTerminal.this.top = insets.top; | |
42873e30 | 511 | |
d36057df | 512 | // Load the font so that we can set sessionInfo. |
e23ea538 | 513 | setDefaultFont(); |
42873e30 | 514 | |
d36057df KL |
515 | // Get the default cols x rows and set component size |
516 | // accordingly. | |
517 | SwingTerminal.this.sessionInfo = | |
518 | new SwingSessionInfo(SwingTerminal.this.swing, | |
519 | SwingTerminal.this.textWidth, | |
520 | SwingTerminal.this.textHeight); | |
521 | } | |
522 | }); | |
a69ed767 KL |
523 | } catch (java.lang.reflect.InvocationTargetException e) { |
524 | e.printStackTrace(); | |
525 | } catch (InterruptedException e) { | |
d36057df | 526 | e.printStackTrace(); |
42873e30 KL |
527 | } |
528 | ||
d36057df KL |
529 | this.listener = listener; |
530 | mouse1 = false; | |
531 | mouse2 = false; | |
532 | mouse3 = false; | |
63bb9478 | 533 | eventQueue = new ArrayList<TInputEvent>(); |
42873e30 | 534 | |
d36057df KL |
535 | // Add listeners to Swing. |
536 | swing.addKeyListener(this); | |
537 | swing.addWindowListener(this); | |
538 | swing.addComponentListener(this); | |
539 | swing.addMouseListener(this); | |
540 | swing.addMouseMotionListener(this); | |
541 | swing.addMouseWheelListener(this); | |
42873e30 KL |
542 | } |
543 | ||
d36057df KL |
544 | // ------------------------------------------------------------------------ |
545 | // LogicalScreen ---------------------------------------------------------- | |
546 | // ------------------------------------------------------------------------ | |
547 | ||
42873e30 | 548 | /** |
d36057df KL |
549 | * Set the window title. |
550 | * | |
551 | * @param title the new title | |
42873e30 | 552 | */ |
d36057df KL |
553 | @Override |
554 | public void setTitle(final String title) { | |
555 | swing.setTitle(title); | |
42873e30 KL |
556 | } |
557 | ||
558 | /** | |
559 | * Push the logical screen to the physical device. | |
560 | */ | |
561 | @Override | |
562 | public void flushPhysical() { | |
be72cb5c KL |
563 | // See if it is time to flip the blink time. |
564 | long nowTime = System.currentTimeMillis(); | |
565 | if (nowTime >= blinkMillis + lastBlinkTime) { | |
566 | lastBlinkTime = nowTime; | |
567 | cursorBlinkVisible = !cursorBlinkVisible; | |
568 | // System.err.println("New lastBlinkTime: " + lastBlinkTime); | |
569 | } | |
570 | ||
571 | if ((swing.getFrame() != null) | |
572 | && (swing.getBufferStrategy() != null) | |
573 | ) { | |
574 | do { | |
575 | do { | |
576 | drawToSwing(); | |
577 | } while (swing.getBufferStrategy().contentsRestored()); | |
578 | ||
579 | swing.getBufferStrategy().show(); | |
580 | Toolkit.getDefaultToolkit().sync(); | |
581 | } while (swing.getBufferStrategy().contentsLost()); | |
582 | ||
583 | } else { | |
584 | // Non-triple-buffered, call drawToSwing() once | |
585 | drawToSwing(); | |
586 | } | |
587 | } | |
588 | ||
d36057df KL |
589 | // ------------------------------------------------------------------------ |
590 | // TerminalReader --------------------------------------------------------- | |
591 | // ------------------------------------------------------------------------ | |
592 | ||
be72cb5c | 593 | /** |
d36057df KL |
594 | * Check if there are events in the queue. |
595 | * | |
596 | * @return if true, getEvents() has something to return to the backend | |
be72cb5c | 597 | */ |
d36057df KL |
598 | public boolean hasEvents() { |
599 | synchronized (eventQueue) { | |
600 | return (eventQueue.size() > 0); | |
601 | } | |
602 | } | |
42873e30 | 603 | |
d36057df KL |
604 | /** |
605 | * Return any events in the IO queue. | |
606 | * | |
607 | * @param queue list to append new events to | |
608 | */ | |
609 | public void getEvents(final List<TInputEvent> queue) { | |
610 | synchronized (eventQueue) { | |
611 | if (eventQueue.size() > 0) { | |
612 | synchronized (queue) { | |
613 | queue.addAll(eventQueue); | |
614 | } | |
615 | eventQueue.clear(); | |
616 | } | |
617 | } | |
618 | } | |
42873e30 | 619 | |
d36057df KL |
620 | /** |
621 | * Restore terminal to normal state. | |
622 | */ | |
623 | public void closeTerminal() { | |
624 | shutdown(); | |
625 | } | |
626 | ||
627 | /** | |
628 | * Set listener to a different Object. | |
629 | * | |
630 | * @param listener the new listening object that run() wakes up on new | |
631 | * input | |
632 | */ | |
633 | public void setListener(final Object listener) { | |
634 | this.listener = listener; | |
635 | } | |
636 | ||
e23ea538 KL |
637 | /** |
638 | * Reload options from System properties. | |
639 | */ | |
640 | public void reloadOptions() { | |
641 | // Figure out my cursor style. | |
642 | String cursorStyleString = System.getProperty( | |
643 | "jexer.Swing.cursorStyle", "underline").toLowerCase(); | |
644 | if (cursorStyleString.equals("underline")) { | |
645 | cursorStyle = CursorStyle.UNDERLINE; | |
646 | } else if (cursorStyleString.equals("outline")) { | |
647 | cursorStyle = CursorStyle.OUTLINE; | |
648 | } else if (cursorStyleString.equals("block")) { | |
649 | cursorStyle = CursorStyle.BLOCK; | |
650 | } | |
651 | ||
652 | // Pull the system property for triple buffering. | |
653 | if (System.getProperty("jexer.Swing.tripleBuffer", | |
654 | "true").equals("true") | |
655 | ) { | |
656 | SwingComponent.tripleBuffer = true; | |
657 | } else { | |
658 | SwingComponent.tripleBuffer = false; | |
659 | } | |
660 | } | |
661 | ||
d36057df KL |
662 | // ------------------------------------------------------------------------ |
663 | // SwingTerminal ---------------------------------------------------------- | |
664 | // ------------------------------------------------------------------------ | |
665 | ||
a69ed767 KL |
666 | /** |
667 | * Get the width of a character cell in pixels. | |
668 | * | |
669 | * @return the width in pixels of a character cell | |
670 | */ | |
671 | public int getTextWidth() { | |
672 | return textWidth; | |
673 | } | |
674 | ||
675 | /** | |
676 | * Get the height of a character cell in pixels. | |
677 | * | |
678 | * @return the height in pixels of a character cell | |
679 | */ | |
680 | public int getTextHeight() { | |
681 | return textHeight; | |
682 | } | |
683 | ||
d36057df KL |
684 | /** |
685 | * Setup Swing colors to match DOS color palette. | |
686 | */ | |
687 | private static void setDOSColors() { | |
688 | if (dosColors) { | |
42873e30 KL |
689 | return; |
690 | } | |
d36057df KL |
691 | MYBLACK = new Color(0x00, 0x00, 0x00); |
692 | MYRED = new Color(0xa8, 0x00, 0x00); | |
693 | MYGREEN = new Color(0x00, 0xa8, 0x00); | |
694 | MYYELLOW = new Color(0xa8, 0x54, 0x00); | |
695 | MYBLUE = new Color(0x00, 0x00, 0xa8); | |
696 | MYMAGENTA = new Color(0xa8, 0x00, 0xa8); | |
697 | MYCYAN = new Color(0x00, 0xa8, 0xa8); | |
698 | MYWHITE = new Color(0xa8, 0xa8, 0xa8); | |
699 | MYBOLD_BLACK = new Color(0x54, 0x54, 0x54); | |
700 | MYBOLD_RED = new Color(0xfc, 0x54, 0x54); | |
701 | MYBOLD_GREEN = new Color(0x54, 0xfc, 0x54); | |
702 | MYBOLD_YELLOW = new Color(0xfc, 0xfc, 0x54); | |
703 | MYBOLD_BLUE = new Color(0x54, 0x54, 0xfc); | |
704 | MYBOLD_MAGENTA = new Color(0xfc, 0x54, 0xfc); | |
705 | MYBOLD_CYAN = new Color(0x54, 0xfc, 0xfc); | |
706 | MYBOLD_WHITE = new Color(0xfc, 0xfc, 0xfc); | |
42873e30 | 707 | |
d36057df KL |
708 | dosColors = true; |
709 | } | |
42873e30 | 710 | |
d36057df KL |
711 | /** |
712 | * Get the number of millis to wait before switching the blink from | |
713 | * visible to invisible. | |
714 | * | |
715 | * @return the number of milli to wait before switching the blink from | |
716 | * visible to invisible | |
717 | */ | |
718 | public long getBlinkMillis() { | |
719 | return blinkMillis; | |
720 | } | |
42873e30 | 721 | |
b3d79e99 KL |
722 | /** |
723 | * Get the current status of the blink flag. | |
724 | * | |
725 | * @return true if the cursor and blinking text should be visible | |
726 | */ | |
727 | public boolean getCursorBlinkVisible() { | |
728 | return cursorBlinkVisible; | |
729 | } | |
730 | ||
d36057df KL |
731 | /** |
732 | * Get the font size in points. | |
733 | * | |
734 | * @return font size in points | |
735 | */ | |
736 | public int getFontSize() { | |
737 | return fontSize; | |
738 | } | |
42873e30 | 739 | |
d36057df KL |
740 | /** |
741 | * Set the font size in points. | |
742 | * | |
743 | * @param fontSize font size in points | |
744 | */ | |
745 | public void setFontSize(final int fontSize) { | |
746 | this.fontSize = fontSize; | |
747 | Font newFont = font.deriveFont((float) fontSize); | |
748 | setFont(newFont); | |
749 | } | |
42873e30 | 750 | |
d36057df KL |
751 | /** |
752 | * Set to a new font, and resize the screen to match its dimensions. | |
753 | * | |
754 | * @param font the new font | |
755 | */ | |
756 | public void setFont(final Font font) { | |
e23ea538 KL |
757 | synchronized (this) { |
758 | this.font = font; | |
759 | getFontDimensions(); | |
760 | swing.setFont(font); | |
761 | glyphCacheBlink = new HashMap<Cell, BufferedImage>(); | |
762 | glyphCache = new HashMap<Cell, BufferedImage>(); | |
763 | resizeToScreen(); | |
764 | } | |
765 | } | |
766 | ||
767 | /** | |
768 | * Get the font this screen was last set to. | |
769 | * | |
770 | * @return the font | |
771 | */ | |
772 | public Font getFont() { | |
773 | return font; | |
d36057df KL |
774 | } |
775 | ||
776 | /** | |
777 | * Set the font to Terminus, the best all-around font for both CP437 and | |
778 | * ISO8859-1. | |
779 | */ | |
e23ea538 | 780 | public void setDefaultFont() { |
d36057df KL |
781 | try { |
782 | ClassLoader loader = Thread.currentThread().getContextClassLoader(); | |
783 | InputStream in = loader.getResourceAsStream(FONTFILE); | |
784 | Font terminusRoot = Font.createFont(Font.TRUETYPE_FONT, in); | |
785 | Font terminus = terminusRoot.deriveFont(Font.PLAIN, fontSize); | |
d36057df | 786 | font = terminus; |
a69ed767 KL |
787 | } catch (java.awt.FontFormatException e) { |
788 | e.printStackTrace(); | |
789 | font = new Font(Font.MONOSPACED, Font.PLAIN, fontSize); | |
790 | } catch (java.io.IOException e) { | |
d36057df KL |
791 | e.printStackTrace(); |
792 | font = new Font(Font.MONOSPACED, Font.PLAIN, fontSize); | |
793 | } | |
794 | ||
795 | setFont(font); | |
796 | } | |
797 | ||
e23ea538 KL |
798 | /** |
799 | * Get the X text adjustment. | |
800 | * | |
801 | * @return X text adjustment | |
802 | */ | |
803 | public int getTextAdjustX() { | |
804 | return textAdjustX; | |
805 | } | |
806 | ||
807 | /** | |
808 | * Set the X text adjustment. | |
809 | * | |
810 | * @param textAdjustX the X text adjustment | |
811 | */ | |
812 | public void setTextAdjustX(final int textAdjustX) { | |
813 | synchronized (this) { | |
814 | this.textAdjustX = textAdjustX; | |
815 | glyphCacheBlink = new HashMap<Cell, BufferedImage>(); | |
816 | glyphCache = new HashMap<Cell, BufferedImage>(); | |
817 | clearPhysical(); | |
818 | } | |
819 | } | |
820 | ||
821 | /** | |
822 | * Get the Y text adjustment. | |
823 | * | |
824 | * @return Y text adjustment | |
825 | */ | |
826 | public int getTextAdjustY() { | |
827 | return textAdjustY; | |
828 | } | |
829 | ||
830 | /** | |
831 | * Set the Y text adjustment. | |
832 | * | |
833 | * @param textAdjustY the Y text adjustment | |
834 | */ | |
835 | public void setTextAdjustY(final int textAdjustY) { | |
836 | synchronized (this) { | |
837 | this.textAdjustY = textAdjustY; | |
838 | glyphCacheBlink = new HashMap<Cell, BufferedImage>(); | |
839 | glyphCache = new HashMap<Cell, BufferedImage>(); | |
840 | clearPhysical(); | |
841 | } | |
842 | } | |
843 | ||
844 | /** | |
845 | * Get the height text adjustment. | |
846 | * | |
847 | * @return height text adjustment | |
848 | */ | |
849 | public int getTextAdjustHeight() { | |
850 | return textAdjustHeight; | |
851 | } | |
852 | ||
853 | /** | |
854 | * Set the height text adjustment. | |
855 | * | |
856 | * @param textAdjustHeight the height text adjustment | |
857 | */ | |
858 | public void setTextAdjustHeight(final int textAdjustHeight) { | |
859 | synchronized (this) { | |
860 | this.textAdjustHeight = textAdjustHeight; | |
861 | textHeight = fontTextHeight + textAdjustHeight; | |
862 | glyphCacheBlink = new HashMap<Cell, BufferedImage>(); | |
863 | glyphCache = new HashMap<Cell, BufferedImage>(); | |
864 | clearPhysical(); | |
865 | } | |
866 | } | |
867 | ||
868 | /** | |
869 | * Get the width text adjustment. | |
870 | * | |
871 | * @return width text adjustment | |
872 | */ | |
873 | public int getTextAdjustWidth() { | |
874 | return textAdjustWidth; | |
875 | } | |
876 | ||
877 | /** | |
878 | * Set the width text adjustment. | |
879 | * | |
880 | * @param textAdjustWidth the width text adjustment | |
881 | */ | |
882 | public void setTextAdjustWidth(final int textAdjustWidth) { | |
883 | synchronized (this) { | |
884 | this.textAdjustWidth = textAdjustWidth; | |
885 | textWidth = fontTextWidth + textAdjustWidth; | |
886 | glyphCacheBlink = new HashMap<Cell, BufferedImage>(); | |
887 | glyphCache = new HashMap<Cell, BufferedImage>(); | |
888 | clearPhysical(); | |
889 | } | |
890 | } | |
891 | ||
d36057df KL |
892 | /** |
893 | * Convert a CellAttributes foreground color to an Swing Color. | |
894 | * | |
895 | * @param attr the text attributes | |
896 | * @return the Swing Color | |
897 | */ | |
d1115203 | 898 | public static Color attrToForegroundColor(final CellAttributes attr) { |
051e2913 KL |
899 | int rgb = attr.getForeColorRGB(); |
900 | if (rgb >= 0) { | |
901 | int red = (rgb >> 16) & 0xFF; | |
902 | int green = (rgb >> 8) & 0xFF; | |
903 | int blue = rgb & 0xFF; | |
904 | ||
905 | return new Color(red, green, blue); | |
906 | } | |
907 | ||
d36057df KL |
908 | if (attr.isBold()) { |
909 | if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) { | |
910 | return MYBOLD_BLACK; | |
911 | } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) { | |
912 | return MYBOLD_RED; | |
913 | } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) { | |
914 | return MYBOLD_BLUE; | |
915 | } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) { | |
916 | return MYBOLD_GREEN; | |
917 | } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) { | |
918 | return MYBOLD_YELLOW; | |
919 | } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) { | |
920 | return MYBOLD_CYAN; | |
921 | } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) { | |
922 | return MYBOLD_MAGENTA; | |
923 | } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) { | |
924 | return MYBOLD_WHITE; | |
925 | } | |
926 | } else { | |
927 | if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) { | |
928 | return MYBLACK; | |
929 | } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) { | |
930 | return MYRED; | |
931 | } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) { | |
932 | return MYBLUE; | |
933 | } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) { | |
934 | return MYGREEN; | |
935 | } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) { | |
936 | return MYYELLOW; | |
937 | } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) { | |
938 | return MYCYAN; | |
939 | } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) { | |
940 | return MYMAGENTA; | |
941 | } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) { | |
942 | return MYWHITE; | |
943 | } | |
944 | } | |
945 | throw new IllegalArgumentException("Invalid color: " + | |
946 | attr.getForeColor().getValue()); | |
947 | } | |
948 | ||
949 | /** | |
950 | * Convert a CellAttributes background color to an Swing Color. | |
951 | * | |
952 | * @param attr the text attributes | |
953 | * @return the Swing Color | |
954 | */ | |
d1115203 | 955 | public static Color attrToBackgroundColor(final CellAttributes attr) { |
051e2913 KL |
956 | int rgb = attr.getBackColorRGB(); |
957 | if (rgb >= 0) { | |
958 | int red = (rgb >> 16) & 0xFF; | |
959 | int green = (rgb >> 8) & 0xFF; | |
960 | int blue = rgb & 0xFF; | |
961 | ||
962 | return new Color(red, green, blue); | |
963 | } | |
964 | ||
d36057df KL |
965 | if (attr.getBackColor().equals(jexer.bits.Color.BLACK)) { |
966 | return MYBLACK; | |
967 | } else if (attr.getBackColor().equals(jexer.bits.Color.RED)) { | |
968 | return MYRED; | |
969 | } else if (attr.getBackColor().equals(jexer.bits.Color.BLUE)) { | |
970 | return MYBLUE; | |
971 | } else if (attr.getBackColor().equals(jexer.bits.Color.GREEN)) { | |
972 | return MYGREEN; | |
973 | } else if (attr.getBackColor().equals(jexer.bits.Color.YELLOW)) { | |
974 | return MYYELLOW; | |
975 | } else if (attr.getBackColor().equals(jexer.bits.Color.CYAN)) { | |
976 | return MYCYAN; | |
977 | } else if (attr.getBackColor().equals(jexer.bits.Color.MAGENTA)) { | |
978 | return MYMAGENTA; | |
979 | } else if (attr.getBackColor().equals(jexer.bits.Color.WHITE)) { | |
980 | return MYWHITE; | |
981 | } | |
982 | throw new IllegalArgumentException("Invalid color: " + | |
983 | attr.getBackColor().getValue()); | |
984 | } | |
985 | ||
986 | /** | |
e23ea538 KL |
987 | * Figure out what textAdjustX, textAdjustY, textAdjustHeight, and |
988 | * textAdjustWidth should be, based on the location of a vertical bar and | |
989 | * a horizontal bar. | |
d36057df | 990 | */ |
e23ea538 | 991 | private void getFontAdjustments() { |
d36057df KL |
992 | BufferedImage image = null; |
993 | ||
994 | // What SHOULD happen is that the topmost/leftmost white pixel is at | |
995 | // position (gr2x, gr2y). But it might also be off by a pixel in | |
996 | // either direction. | |
997 | ||
998 | Graphics2D gr2 = null; | |
999 | int gr2x = 3; | |
1000 | int gr2y = 3; | |
e23ea538 | 1001 | image = new BufferedImage(fontTextWidth * 2, fontTextHeight * 2, |
d36057df KL |
1002 | BufferedImage.TYPE_INT_ARGB); |
1003 | ||
1004 | gr2 = image.createGraphics(); | |
1005 | gr2.setFont(swing.getFont()); | |
1006 | gr2.setColor(java.awt.Color.BLACK); | |
e23ea538 | 1007 | gr2.fillRect(0, 0, fontTextWidth * 2, fontTextHeight * 2); |
d36057df KL |
1008 | gr2.setColor(java.awt.Color.WHITE); |
1009 | char [] chars = new char[1]; | |
e23ea538 KL |
1010 | chars[0] = jexer.bits.GraphicsChars.SINGLE_BAR; |
1011 | gr2.drawChars(chars, 0, 1, gr2x, gr2y + fontTextHeight - maxDescent); | |
d36057df | 1012 | chars[0] = jexer.bits.GraphicsChars.VERTICAL_BAR; |
e23ea538 | 1013 | gr2.drawChars(chars, 0, 1, gr2x, gr2y + fontTextHeight - maxDescent); |
d36057df KL |
1014 | gr2.dispose(); |
1015 | ||
e23ea538 KL |
1016 | int top = fontTextHeight * 2; |
1017 | int bottom = -1; | |
1018 | int left = fontTextWidth * 2; | |
1019 | int right = -1; | |
1020 | textAdjustX = 0; | |
1021 | textAdjustY = 0; | |
1022 | textAdjustHeight = 0; | |
1023 | textAdjustWidth = 0; | |
42873e30 | 1024 | |
e23ea538 KL |
1025 | for (int x = 0; x < fontTextWidth * 2; x++) { |
1026 | for (int y = 0; y < fontTextHeight * 2; y++) { | |
42873e30 | 1027 | |
d36057df | 1028 | /* |
e23ea538 | 1029 | System.err.println("H X: " + x + " Y: " + y + " " + |
d36057df | 1030 | image.getRGB(x, y)); |
e23ea538 | 1031 | */ |
42873e30 | 1032 | |
d36057df | 1033 | if ((image.getRGB(x, y) & 0xFFFFFF) != 0) { |
e23ea538 KL |
1034 | // Pixel is present. |
1035 | if (y < top) { | |
1036 | top = y; | |
1037 | } | |
1038 | if (y > bottom) { | |
1039 | bottom = y; | |
1040 | } | |
1041 | if (x < left) { | |
1042 | left = x; | |
1043 | } | |
1044 | if (x > right) { | |
1045 | right = x; | |
1046 | } | |
42873e30 KL |
1047 | } |
1048 | } | |
1049 | } | |
e23ea538 KL |
1050 | if (left < right) { |
1051 | textAdjustX = (gr2x - left); | |
1052 | textAdjustWidth = fontTextWidth - (right - left + 1); | |
1053 | } | |
1054 | if (top < bottom) { | |
1055 | textAdjustY = (gr2y - top); | |
1056 | textAdjustHeight = fontTextHeight - (bottom - top + 1); | |
1057 | } | |
1058 | // System.err.println("top " + top + " bottom " + bottom); | |
1059 | // System.err.println("left " + left + " right " + right); | |
1060 | ||
1061 | // Special case: do not believe fonts that claim to be wider than | |
1062 | // they are tall. | |
1063 | if (fontTextWidth >= fontTextHeight) { | |
1064 | textAdjustX = 0; | |
1065 | textAdjustWidth = 0; | |
1066 | fontTextWidth = fontTextHeight / 2; | |
1067 | } | |
42873e30 KL |
1068 | } |
1069 | ||
42873e30 | 1070 | /** |
d36057df KL |
1071 | * Figure out my font dimensions. This code path works OK for the JFrame |
1072 | * case, and can be called immediately after JFrame creation. | |
42873e30 | 1073 | */ |
d36057df KL |
1074 | private void getFontDimensions() { |
1075 | swing.setFont(font); | |
1076 | Graphics gr = swing.getGraphics(); | |
1077 | if (gr == null) { | |
1078 | return; | |
1079 | } | |
1080 | getFontDimensions(gr); | |
42873e30 KL |
1081 | } |
1082 | ||
1083 | /** | |
d36057df KL |
1084 | * Figure out my font dimensions. This code path is needed to lazy-load |
1085 | * the information inside paint(). | |
42873e30 | 1086 | * |
d36057df | 1087 | * @param gr Graphics object to use |
42873e30 | 1088 | */ |
d36057df KL |
1089 | private void getFontDimensions(final Graphics gr) { |
1090 | swing.setFont(font); | |
1091 | FontMetrics fm = gr.getFontMetrics(); | |
1092 | maxDescent = fm.getMaxDescent(); | |
1093 | Rectangle2D bounds = fm.getMaxCharBounds(gr); | |
1094 | int leading = fm.getLeading(); | |
e23ea538 KL |
1095 | fontTextWidth = (int)Math.round(bounds.getWidth()); |
1096 | // fontTextHeight = (int)Math.round(bounds.getHeight()) - maxDescent; | |
42873e30 | 1097 | |
d36057df KL |
1098 | // This produces the same number, but works better for ugly |
1099 | // monospace. | |
e23ea538 | 1100 | fontTextHeight = fm.getMaxAscent() + maxDescent - leading; |
42873e30 | 1101 | |
e23ea538 KL |
1102 | getFontAdjustments(); |
1103 | textHeight = fontTextHeight + textAdjustHeight; | |
1104 | textWidth = fontTextWidth + textAdjustWidth; | |
42873e30 | 1105 | |
d36057df KL |
1106 | if (sessionInfo != null) { |
1107 | sessionInfo.setTextCellDimensions(textWidth, textHeight); | |
1108 | } | |
1109 | gotFontDimensions = true; | |
42873e30 KL |
1110 | } |
1111 | ||
1112 | /** | |
9696a8f6 | 1113 | * Resize the physical screen to match the logical screen dimensions. |
42873e30 | 1114 | */ |
9696a8f6 | 1115 | @Override |
d36057df | 1116 | public void resizeToScreen() { |
9696a8f6 | 1117 | swing.setDimensions(textWidth * width, textHeight * height); |
f4dcc690 | 1118 | clearPhysical(); |
a69ed767 KL |
1119 | } |
1120 | ||
1121 | /** | |
1122 | * Draw one cell's image to the screen. | |
1123 | * | |
1124 | * @param gr the Swing Graphics context | |
1125 | * @param cell the Cell to draw | |
1126 | * @param xPixel the x-coordinate to render to. 0 means the | |
1127 | * left-most pixel column. | |
1128 | * @param yPixel the y-coordinate to render to. 0 means the top-most | |
1129 | * pixel row. | |
1130 | */ | |
1131 | private void drawImage(final Graphics gr, final Cell cell, | |
1132 | final int xPixel, final int yPixel) { | |
1133 | ||
1134 | /* | |
1135 | System.err.println("drawImage(): " + xPixel + " " + yPixel + | |
1136 | " " + cell); | |
1137 | */ | |
1138 | ||
1139 | // Draw the background rectangle, then the foreground character. | |
1140 | assert (cell.isImage()); | |
1141 | gr.setColor(cell.getBackground()); | |
1142 | gr.fillRect(xPixel, yPixel, textWidth, textHeight); | |
1143 | ||
1144 | BufferedImage image = cell.getImage(); | |
1145 | if (image != null) { | |
1146 | if (swing.getFrame() != null) { | |
1147 | gr.drawImage(image, xPixel, yPixel, swing.getFrame()); | |
1148 | } else { | |
1149 | gr.drawImage(image, xPixel, yPixel, swing.getComponent()); | |
1150 | } | |
1151 | return; | |
1152 | } | |
d36057df | 1153 | } |
42873e30 KL |
1154 | |
1155 | /** | |
d36057df | 1156 | * Draw one glyph to the screen. |
42873e30 | 1157 | * |
d36057df KL |
1158 | * @param gr the Swing Graphics context |
1159 | * @param cell the Cell to draw | |
1160 | * @param xPixel the x-coordinate to render to. 0 means the | |
1161 | * left-most pixel column. | |
1162 | * @param yPixel the y-coordinate to render to. 0 means the top-most | |
1163 | * pixel row. | |
42873e30 | 1164 | */ |
d36057df KL |
1165 | private void drawGlyph(final Graphics gr, final Cell cell, |
1166 | final int xPixel, final int yPixel) { | |
42873e30 | 1167 | |
d36057df KL |
1168 | /* |
1169 | System.err.println("drawGlyph(): " + xPixel + " " + yPixel + | |
1170 | " " + cell); | |
1171 | */ | |
1172 | ||
1173 | BufferedImage image = null; | |
1174 | if (cell.isBlink() && !cursorBlinkVisible) { | |
1175 | image = glyphCacheBlink.get(cell); | |
1176 | } else { | |
1177 | image = glyphCache.get(cell); | |
1178 | } | |
1179 | if (image != null) { | |
1180 | if (swing.getFrame() != null) { | |
1181 | gr.drawImage(image, xPixel, yPixel, swing.getFrame()); | |
1182 | } else { | |
1183 | gr.drawImage(image, xPixel, yPixel, swing.getComponent()); | |
1184 | } | |
1185 | return; | |
1186 | } | |
1187 | ||
1188 | // Generate glyph and draw it. | |
1189 | Graphics2D gr2 = null; | |
1190 | int gr2x = xPixel; | |
1191 | int gr2y = yPixel; | |
1192 | if ((SwingComponent.tripleBuffer) && (swing.getFrame() != null)) { | |
1193 | image = new BufferedImage(textWidth, textHeight, | |
1194 | BufferedImage.TYPE_INT_ARGB); | |
1195 | gr2 = image.createGraphics(); | |
1196 | gr2.setFont(swing.getFont()); | |
1197 | gr2x = 0; | |
1198 | gr2y = 0; | |
1199 | } else { | |
1200 | gr2 = (Graphics2D) gr; | |
1201 | } | |
1202 | ||
027de5ae | 1203 | Cell cellColor = new Cell(cell); |
d36057df KL |
1204 | |
1205 | // Check for reverse | |
1206 | if (cell.isReverse()) { | |
1207 | cellColor.setForeColor(cell.getBackColor()); | |
1208 | cellColor.setBackColor(cell.getForeColor()); | |
1209 | } | |
1210 | ||
1211 | // Draw the background rectangle, then the foreground character. | |
1212 | gr2.setColor(attrToBackgroundColor(cellColor)); | |
1213 | gr2.fillRect(gr2x, gr2y, textWidth, textHeight); | |
1214 | ||
1215 | // Handle blink and underline | |
1216 | if (!cell.isBlink() | |
1217 | || (cell.isBlink() && cursorBlinkVisible) | |
1218 | ) { | |
1219 | gr2.setColor(attrToForegroundColor(cellColor)); | |
1220 | char [] chars = new char[1]; | |
1221 | chars[0] = cell.getChar(); | |
1222 | gr2.drawChars(chars, 0, 1, gr2x + textAdjustX, | |
1223 | gr2y + textHeight - maxDescent + textAdjustY); | |
1224 | ||
1225 | if (cell.isUnderline()) { | |
1226 | gr2.fillRect(gr2x, gr2y + textHeight - 2, textWidth, 2); | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | if ((SwingComponent.tripleBuffer) && (swing.getFrame() != null)) { | |
1231 | gr2.dispose(); | |
1232 | ||
1233 | // We need a new key that will not be mutated by | |
1234 | // invertCell(). | |
027de5ae | 1235 | Cell key = new Cell(cell); |
d36057df KL |
1236 | if (cell.isBlink() && !cursorBlinkVisible) { |
1237 | glyphCacheBlink.put(key, image); | |
1238 | } else { | |
1239 | glyphCache.put(key, image); | |
1240 | } | |
42873e30 | 1241 | |
d36057df KL |
1242 | if (swing.getFrame() != null) { |
1243 | gr.drawImage(image, xPixel, yPixel, swing.getFrame()); | |
1244 | } else { | |
1245 | gr.drawImage(image, xPixel, yPixel, swing.getComponent()); | |
1246 | } | |
1247 | } | |
42873e30 | 1248 | |
d36057df | 1249 | } |
42873e30 KL |
1250 | |
1251 | /** | |
d36057df KL |
1252 | * Check if the cursor is visible, and if so draw it. |
1253 | * | |
1254 | * @param gr the Swing Graphics context | |
42873e30 | 1255 | */ |
d36057df | 1256 | private void drawCursor(final Graphics gr) { |
42873e30 | 1257 | |
d36057df KL |
1258 | if (cursorVisible |
1259 | && (cursorY >= 0) | |
1260 | && (cursorX >= 0) | |
1261 | && (cursorY <= height - 1) | |
1262 | && (cursorX <= width - 1) | |
1263 | && cursorBlinkVisible | |
1264 | ) { | |
1265 | int xPixel = cursorX * textWidth + left; | |
1266 | int yPixel = cursorY * textHeight + top; | |
1267 | Cell lCell = logical[cursorX][cursorY]; | |
1268 | gr.setColor(attrToForegroundColor(lCell)); | |
1269 | switch (cursorStyle) { | |
1270 | default: | |
1271 | // Fall through... | |
1272 | case UNDERLINE: | |
1273 | gr.fillRect(xPixel, yPixel + textHeight - 2, textWidth, 2); | |
1274 | break; | |
1275 | case BLOCK: | |
1276 | gr.fillRect(xPixel, yPixel, textWidth, textHeight); | |
1277 | break; | |
1278 | case OUTLINE: | |
1279 | gr.drawRect(xPixel, yPixel, textWidth - 1, textHeight - 1); | |
1280 | break; | |
1281 | } | |
1282 | } | |
1283 | } | |
42873e30 KL |
1284 | |
1285 | /** | |
d36057df | 1286 | * Reset the blink timer. |
42873e30 | 1287 | */ |
d36057df KL |
1288 | private void resetBlinkTimer() { |
1289 | lastBlinkTime = System.currentTimeMillis(); | |
1290 | cursorBlinkVisible = true; | |
1291 | } | |
42873e30 KL |
1292 | |
1293 | /** | |
d36057df | 1294 | * Paint redraws the whole screen. |
42873e30 | 1295 | * |
d36057df | 1296 | * @param gr the Swing Graphics context |
42873e30 | 1297 | */ |
d36057df | 1298 | public void paint(final Graphics gr) { |
42873e30 | 1299 | |
d36057df KL |
1300 | if (gotFontDimensions == false) { |
1301 | // Lazy-load the text width/height | |
1302 | getFontDimensions(gr); | |
1303 | /* | |
1304 | System.err.println("textWidth " + textWidth + | |
1305 | " textHeight " + textHeight); | |
1306 | System.err.println("FONT: " + swing.getFont() + " font " + font); | |
1307 | */ | |
42873e30 KL |
1308 | } |
1309 | ||
051e2913 KL |
1310 | if ((swing.getFrame() != null) |
1311 | && (swing.getBufferStrategy() != null) | |
d36057df KL |
1312 | && (SwingUtilities.isEventDispatchThread()) |
1313 | ) { | |
1314 | // System.err.println("paint(), skip first paint on swing thread"); | |
1315 | return; | |
42873e30 KL |
1316 | } |
1317 | ||
d36057df KL |
1318 | int xCellMin = 0; |
1319 | int xCellMax = width; | |
1320 | int yCellMin = 0; | |
1321 | int yCellMax = height; | |
42873e30 | 1322 | |
d36057df KL |
1323 | Rectangle bounds = gr.getClipBounds(); |
1324 | if (bounds != null) { | |
1325 | // Only update what is in the bounds | |
1326 | xCellMin = textColumn(bounds.x); | |
1327 | xCellMax = textColumn(bounds.x + bounds.width); | |
1328 | if (xCellMax > width) { | |
1329 | xCellMax = width; | |
1330 | } | |
1331 | if (xCellMin >= xCellMax) { | |
1332 | xCellMin = xCellMax - 2; | |
1333 | } | |
1334 | if (xCellMin < 0) { | |
1335 | xCellMin = 0; | |
1336 | } | |
1337 | yCellMin = textRow(bounds.y); | |
1338 | yCellMax = textRow(bounds.y + bounds.height); | |
1339 | if (yCellMax > height) { | |
1340 | yCellMax = height; | |
1341 | } | |
1342 | if (yCellMin >= yCellMax) { | |
1343 | yCellMin = yCellMax - 2; | |
1344 | } | |
1345 | if (yCellMin < 0) { | |
1346 | yCellMin = 0; | |
1347 | } | |
1348 | } else { | |
1349 | // We need a total repaint | |
1350 | reallyCleared = true; | |
1351 | } | |
42873e30 | 1352 | |
d36057df KL |
1353 | // Prevent updates to the screen's data from the TApplication |
1354 | // threads. | |
1355 | synchronized (this) { | |
42873e30 | 1356 | |
d36057df KL |
1357 | /* |
1358 | System.err.printf("bounds %s X %d %d Y %d %d\n", | |
1359 | bounds, xCellMin, xCellMax, yCellMin, yCellMax); | |
1360 | */ | |
42873e30 | 1361 | |
d36057df KL |
1362 | for (int y = yCellMin; y < yCellMax; y++) { |
1363 | for (int x = xCellMin; x < xCellMax; x++) { | |
42873e30 | 1364 | |
d36057df KL |
1365 | int xPixel = x * textWidth + left; |
1366 | int yPixel = y * textHeight + top; | |
42873e30 | 1367 | |
d36057df KL |
1368 | Cell lCell = logical[x][y]; |
1369 | Cell pCell = physical[x][y]; | |
42873e30 | 1370 | |
d36057df KL |
1371 | if (!lCell.equals(pCell) |
1372 | || lCell.isBlink() | |
1373 | || reallyCleared | |
1374 | || (swing.getFrame() == null)) { | |
42873e30 | 1375 | |
a69ed767 KL |
1376 | if (lCell.isImage()) { |
1377 | drawImage(gr, lCell, xPixel, yPixel); | |
1378 | } else { | |
1379 | drawGlyph(gr, lCell, xPixel, yPixel); | |
1380 | } | |
42873e30 | 1381 | |
d36057df KL |
1382 | // Physical is always updated |
1383 | physical[x][y].setTo(lCell); | |
1384 | } | |
42873e30 | 1385 | } |
d36057df KL |
1386 | } |
1387 | drawCursor(gr); | |
42873e30 | 1388 | |
d36057df KL |
1389 | reallyCleared = false; |
1390 | } // synchronized (this) | |
42873e30 KL |
1391 | } |
1392 | ||
1393 | /** | |
d36057df | 1394 | * Restore terminal to normal state. |
42873e30 | 1395 | */ |
d36057df KL |
1396 | public void shutdown() { |
1397 | swing.dispose(); | |
1398 | } | |
42873e30 | 1399 | |
d36057df KL |
1400 | /** |
1401 | * Push the logical screen to the physical device. | |
1402 | */ | |
1403 | private void drawToSwing() { | |
42873e30 | 1404 | |
d36057df KL |
1405 | /* |
1406 | System.err.printf("drawToSwing(): reallyCleared %s dirty %s\n", | |
1407 | reallyCleared, dirty); | |
1408 | */ | |
42873e30 | 1409 | |
d36057df KL |
1410 | // If reallyCleared is set, we have to draw everything. |
1411 | if ((swing.getFrame() != null) | |
1412 | && (swing.getBufferStrategy() != null) | |
1413 | && (reallyCleared == true) | |
1414 | ) { | |
1415 | // Triple-buffering: we have to redraw everything on this thread. | |
1416 | Graphics gr = swing.getBufferStrategy().getDrawGraphics(); | |
1417 | swing.paint(gr); | |
1418 | gr.dispose(); | |
1419 | swing.getBufferStrategy().show(); | |
1420 | Toolkit.getDefaultToolkit().sync(); | |
1421 | return; | |
1422 | } else if (((swing.getFrame() != null) | |
1423 | && (swing.getBufferStrategy() == null)) | |
1424 | || (reallyCleared == true) | |
1425 | ) { | |
1426 | // Repaint everything on the Swing thread. | |
1427 | // System.err.println("REPAINT ALL"); | |
1428 | swing.repaint(); | |
1429 | return; | |
42873e30 KL |
1430 | } |
1431 | ||
d36057df KL |
1432 | if ((swing.getFrame() != null) && (swing.getBufferStrategy() != null)) { |
1433 | Graphics gr = swing.getBufferStrategy().getDrawGraphics(); | |
42873e30 | 1434 | |
d36057df KL |
1435 | synchronized (this) { |
1436 | for (int y = 0; y < height; y++) { | |
1437 | for (int x = 0; x < width; x++) { | |
1438 | Cell lCell = logical[x][y]; | |
1439 | Cell pCell = physical[x][y]; | |
42873e30 | 1440 | |
d36057df KL |
1441 | int xPixel = x * textWidth + left; |
1442 | int yPixel = y * textHeight + top; | |
42873e30 | 1443 | |
d36057df KL |
1444 | if (!lCell.equals(pCell) |
1445 | || ((x == cursorX) | |
1446 | && (y == cursorY) | |
1447 | && cursorVisible) | |
1448 | || (lCell.isBlink()) | |
1449 | ) { | |
a69ed767 KL |
1450 | if (lCell.isImage()) { |
1451 | drawImage(gr, lCell, xPixel, yPixel); | |
1452 | } else { | |
1453 | drawGlyph(gr, lCell, xPixel, yPixel); | |
1454 | } | |
d36057df | 1455 | physical[x][y].setTo(lCell); |
42873e30 | 1456 | } |
d36057df KL |
1457 | } |
1458 | } | |
1459 | drawCursor(gr); | |
1460 | } // synchronized (this) | |
42873e30 | 1461 | |
d36057df KL |
1462 | gr.dispose(); |
1463 | swing.getBufferStrategy().show(); | |
1464 | Toolkit.getDefaultToolkit().sync(); | |
1465 | return; | |
1466 | } | |
42873e30 | 1467 | |
d36057df KL |
1468 | // Swing thread version: request a repaint, but limit it to the area |
1469 | // that has changed. | |
be72cb5c | 1470 | |
d36057df KL |
1471 | // Find the minimum-size damaged region. |
1472 | int xMin = swing.getWidth(); | |
1473 | int xMax = 0; | |
1474 | int yMin = swing.getHeight(); | |
1475 | int yMax = 0; | |
42873e30 | 1476 | |
d36057df KL |
1477 | synchronized (this) { |
1478 | for (int y = 0; y < height; y++) { | |
1479 | for (int x = 0; x < width; x++) { | |
1480 | Cell lCell = logical[x][y]; | |
1481 | Cell pCell = physical[x][y]; | |
42873e30 | 1482 | |
d36057df KL |
1483 | int xPixel = x * textWidth + left; |
1484 | int yPixel = y * textHeight + top; | |
42873e30 | 1485 | |
d36057df KL |
1486 | if (!lCell.equals(pCell) |
1487 | || ((x == cursorX) | |
1488 | && (y == cursorY) | |
1489 | && cursorVisible) | |
1490 | || lCell.isBlink() | |
1491 | ) { | |
1492 | if (xPixel < xMin) { | |
1493 | xMin = xPixel; | |
1494 | } | |
1495 | if (xPixel + textWidth > xMax) { | |
1496 | xMax = xPixel + textWidth; | |
1497 | } | |
1498 | if (yPixel < yMin) { | |
1499 | yMin = yPixel; | |
1500 | } | |
1501 | if (yPixel + textHeight > yMax) { | |
1502 | yMax = yPixel + textHeight; | |
1503 | } | |
1504 | } | |
42873e30 | 1505 | } |
d36057df KL |
1506 | } |
1507 | } | |
1508 | if (xMin + textWidth >= xMax) { | |
1509 | xMax += textWidth; | |
1510 | } | |
1511 | if (yMin + textHeight >= yMax) { | |
1512 | yMax += textHeight; | |
42873e30 KL |
1513 | } |
1514 | ||
d36057df KL |
1515 | // Repaint the desired area |
1516 | /* | |
1517 | System.err.printf("REPAINT X %d %d Y %d %d\n", xMin, xMax, | |
1518 | yMin, yMax); | |
1519 | */ | |
42873e30 | 1520 | |
d36057df KL |
1521 | if ((swing.getFrame() != null) && (swing.getBufferStrategy() != null)) { |
1522 | // This path should never be taken, but is left here for | |
1523 | // completeness. | |
1524 | Graphics gr = swing.getBufferStrategy().getDrawGraphics(); | |
1525 | Rectangle bounds = new Rectangle(xMin, yMin, xMax - xMin, | |
1526 | yMax - yMin); | |
1527 | gr.setClip(bounds); | |
1528 | swing.paint(gr); | |
1529 | gr.dispose(); | |
1530 | swing.getBufferStrategy().show(); | |
1531 | Toolkit.getDefaultToolkit().sync(); | |
1532 | } else { | |
1533 | // Repaint on the Swing thread. | |
1534 | swing.repaint(xMin, yMin, xMax - xMin, yMax - yMin); | |
1535 | } | |
42873e30 KL |
1536 | } |
1537 | ||
1538 | /** | |
d36057df | 1539 | * Convert pixel column position to text cell column position. |
42873e30 | 1540 | * |
d36057df KL |
1541 | * @param x pixel column position |
1542 | * @return text cell column position | |
42873e30 | 1543 | */ |
d36057df KL |
1544 | public int textColumn(final int x) { |
1545 | int column = ((x - left) / textWidth); | |
1546 | if (column < 0) { | |
1547 | column = 0; | |
42873e30 | 1548 | } |
d36057df KL |
1549 | if (column > width - 1) { |
1550 | column = width - 1; | |
1551 | } | |
1552 | return column; | |
42873e30 KL |
1553 | } |
1554 | ||
1555 | /** | |
d36057df | 1556 | * Convert pixel row position to text cell row position. |
42873e30 | 1557 | * |
d36057df KL |
1558 | * @param y pixel row position |
1559 | * @return text cell row position | |
42873e30 | 1560 | */ |
d36057df KL |
1561 | public int textRow(final int y) { |
1562 | int row = ((y - top) / textHeight); | |
1563 | if (row < 0) { | |
1564 | row = 0; | |
1565 | } | |
1566 | if (row > height - 1) { | |
1567 | row = height - 1; | |
42873e30 | 1568 | } |
d36057df | 1569 | return row; |
42873e30 KL |
1570 | } |
1571 | ||
1572 | /** | |
d36057df KL |
1573 | * Getter for sessionInfo. |
1574 | * | |
1575 | * @return the SessionInfo | |
42873e30 | 1576 | */ |
d36057df KL |
1577 | public SessionInfo getSessionInfo() { |
1578 | return sessionInfo; | |
42873e30 KL |
1579 | } |
1580 | ||
a2855f1d KL |
1581 | /** |
1582 | * Getter for the underlying Swing component. | |
1583 | * | |
1584 | * @return the SwingComponent | |
1585 | */ | |
1586 | public SwingComponent getSwingComponent() { | |
1587 | return swing; | |
1588 | } | |
1589 | ||
d36057df KL |
1590 | // ------------------------------------------------------------------------ |
1591 | // KeyListener ------------------------------------------------------------ | |
1592 | // ------------------------------------------------------------------------ | |
1593 | ||
42873e30 KL |
1594 | /** |
1595 | * Pass Swing keystrokes into the event queue. | |
1596 | * | |
1597 | * @param key keystroke received | |
1598 | */ | |
1599 | public void keyReleased(final KeyEvent key) { | |
1600 | // Ignore release events | |
1601 | } | |
1602 | ||
1603 | /** | |
1604 | * Pass Swing keystrokes into the event queue. | |
1605 | * | |
1606 | * @param key keystroke received | |
1607 | */ | |
1608 | public void keyTyped(final KeyEvent key) { | |
1609 | // Ignore typed events | |
1610 | } | |
1611 | ||
1612 | /** | |
1613 | * Pass Swing keystrokes into the event queue. | |
1614 | * | |
1615 | * @param key keystroke received | |
1616 | */ | |
1617 | public void keyPressed(final KeyEvent key) { | |
1618 | boolean alt = false; | |
1619 | boolean shift = false; | |
1620 | boolean ctrl = false; | |
1621 | char ch = ' '; | |
1622 | boolean isKey = false; | |
1623 | if (key.isActionKey()) { | |
1624 | isKey = true; | |
1625 | } else { | |
1626 | ch = key.getKeyChar(); | |
1627 | } | |
1628 | alt = key.isAltDown(); | |
1629 | ctrl = key.isControlDown(); | |
1630 | shift = key.isShiftDown(); | |
1631 | ||
1632 | /* | |
1633 | System.err.printf("Swing Key: %s\n", key); | |
1634 | System.err.printf(" isKey: %s\n", isKey); | |
1635 | System.err.printf(" alt: %s\n", alt); | |
1636 | System.err.printf(" ctrl: %s\n", ctrl); | |
1637 | System.err.printf(" shift: %s\n", shift); | |
1638 | System.err.printf(" ch: %s\n", ch); | |
1639 | */ | |
1640 | ||
1641 | // Special case: not return the bare modifier presses | |
1642 | switch (key.getKeyCode()) { | |
1643 | case KeyEvent.VK_ALT: | |
1644 | return; | |
1645 | case KeyEvent.VK_ALT_GRAPH: | |
1646 | return; | |
1647 | case KeyEvent.VK_CONTROL: | |
1648 | return; | |
1649 | case KeyEvent.VK_SHIFT: | |
1650 | return; | |
1651 | case KeyEvent.VK_META: | |
1652 | return; | |
1653 | default: | |
1654 | break; | |
1655 | } | |
1656 | ||
1657 | TKeypress keypress = null; | |
1658 | if (isKey) { | |
1659 | switch (key.getKeyCode()) { | |
1660 | case KeyEvent.VK_F1: | |
1661 | keypress = new TKeypress(true, TKeypress.F1, ' ', | |
1662 | alt, ctrl, shift); | |
1663 | break; | |
1664 | case KeyEvent.VK_F2: | |
1665 | keypress = new TKeypress(true, TKeypress.F2, ' ', | |
1666 | alt, ctrl, shift); | |
1667 | break; | |
1668 | case KeyEvent.VK_F3: | |
1669 | keypress = new TKeypress(true, TKeypress.F3, ' ', | |
1670 | alt, ctrl, shift); | |
1671 | break; | |
1672 | case KeyEvent.VK_F4: | |
1673 | keypress = new TKeypress(true, TKeypress.F4, ' ', | |
1674 | alt, ctrl, shift); | |
1675 | break; | |
1676 | case KeyEvent.VK_F5: | |
1677 | keypress = new TKeypress(true, TKeypress.F5, ' ', | |
1678 | alt, ctrl, shift); | |
1679 | break; | |
1680 | case KeyEvent.VK_F6: | |
1681 | keypress = new TKeypress(true, TKeypress.F6, ' ', | |
1682 | alt, ctrl, shift); | |
1683 | break; | |
1684 | case KeyEvent.VK_F7: | |
1685 | keypress = new TKeypress(true, TKeypress.F7, ' ', | |
1686 | alt, ctrl, shift); | |
1687 | break; | |
1688 | case KeyEvent.VK_F8: | |
1689 | keypress = new TKeypress(true, TKeypress.F8, ' ', | |
1690 | alt, ctrl, shift); | |
1691 | break; | |
1692 | case KeyEvent.VK_F9: | |
1693 | keypress = new TKeypress(true, TKeypress.F9, ' ', | |
1694 | alt, ctrl, shift); | |
1695 | break; | |
1696 | case KeyEvent.VK_F10: | |
1697 | keypress = new TKeypress(true, TKeypress.F10, ' ', | |
1698 | alt, ctrl, shift); | |
1699 | break; | |
1700 | case KeyEvent.VK_F11: | |
1701 | keypress = new TKeypress(true, TKeypress.F11, ' ', | |
1702 | alt, ctrl, shift); | |
1703 | break; | |
1704 | case KeyEvent.VK_F12: | |
1705 | keypress = new TKeypress(true, TKeypress.F12, ' ', | |
1706 | alt, ctrl, shift); | |
1707 | break; | |
1708 | case KeyEvent.VK_HOME: | |
1709 | keypress = new TKeypress(true, TKeypress.HOME, ' ', | |
1710 | alt, ctrl, shift); | |
1711 | break; | |
1712 | case KeyEvent.VK_END: | |
1713 | keypress = new TKeypress(true, TKeypress.END, ' ', | |
1714 | alt, ctrl, shift); | |
1715 | break; | |
1716 | case KeyEvent.VK_PAGE_UP: | |
1717 | keypress = new TKeypress(true, TKeypress.PGUP, ' ', | |
1718 | alt, ctrl, shift); | |
1719 | break; | |
1720 | case KeyEvent.VK_PAGE_DOWN: | |
1721 | keypress = new TKeypress(true, TKeypress.PGDN, ' ', | |
1722 | alt, ctrl, shift); | |
1723 | break; | |
1724 | case KeyEvent.VK_INSERT: | |
1725 | keypress = new TKeypress(true, TKeypress.INS, ' ', | |
1726 | alt, ctrl, shift); | |
1727 | break; | |
1728 | case KeyEvent.VK_DELETE: | |
1729 | keypress = new TKeypress(true, TKeypress.DEL, ' ', | |
1730 | alt, ctrl, shift); | |
1731 | break; | |
1732 | case KeyEvent.VK_RIGHT: | |
1733 | keypress = new TKeypress(true, TKeypress.RIGHT, ' ', | |
1734 | alt, ctrl, shift); | |
1735 | break; | |
1736 | case KeyEvent.VK_LEFT: | |
1737 | keypress = new TKeypress(true, TKeypress.LEFT, ' ', | |
1738 | alt, ctrl, shift); | |
1739 | break; | |
1740 | case KeyEvent.VK_UP: | |
1741 | keypress = new TKeypress(true, TKeypress.UP, ' ', | |
1742 | alt, ctrl, shift); | |
1743 | break; | |
1744 | case KeyEvent.VK_DOWN: | |
1745 | keypress = new TKeypress(true, TKeypress.DOWN, ' ', | |
1746 | alt, ctrl, shift); | |
1747 | break; | |
1748 | case KeyEvent.VK_TAB: | |
1749 | // Special case: distinguish TAB vs BTAB | |
1750 | if (shift) { | |
1751 | keypress = kbShiftTab; | |
1752 | } else { | |
1753 | keypress = kbTab; | |
1754 | } | |
1755 | break; | |
1756 | case KeyEvent.VK_ENTER: | |
1757 | keypress = new TKeypress(true, TKeypress.ENTER, ' ', | |
1758 | alt, ctrl, shift); | |
1759 | break; | |
1760 | case KeyEvent.VK_ESCAPE: | |
1761 | keypress = new TKeypress(true, TKeypress.ESC, ' ', | |
1762 | alt, ctrl, shift); | |
1763 | break; | |
1764 | case KeyEvent.VK_BACK_SPACE: | |
be998723 | 1765 | keypress = kbBackspace; |
42873e30 KL |
1766 | break; |
1767 | default: | |
1768 | // Unsupported, ignore | |
1769 | return; | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | if (keypress == null) { | |
1774 | switch (ch) { | |
1775 | case 0x08: | |
be998723 KL |
1776 | // Disambiguate ^H from Backspace. |
1777 | if (KeyEvent.getKeyText(key.getKeyCode()).equals("H")) { | |
1778 | // This is ^H. | |
1779 | keypress = kbBackspace; | |
1780 | } else { | |
1781 | // We are emulating Xterm here, where the backspace key | |
1782 | // on the keyboard returns ^?. | |
1783 | keypress = kbBackspaceDel; | |
1784 | } | |
42873e30 KL |
1785 | break; |
1786 | case 0x0A: | |
1787 | keypress = kbEnter; | |
1788 | break; | |
1789 | case 0x1B: | |
1790 | keypress = kbEsc; | |
1791 | break; | |
1792 | case 0x0D: | |
1793 | keypress = kbEnter; | |
1794 | break; | |
1795 | case 0x09: | |
1796 | if (shift) { | |
1797 | keypress = kbShiftTab; | |
1798 | } else { | |
1799 | keypress = kbTab; | |
1800 | } | |
1801 | break; | |
1802 | case 0x7F: | |
1803 | keypress = kbDel; | |
1804 | break; | |
1805 | default: | |
1806 | if (!alt && ctrl && !shift) { | |
1807 | ch = KeyEvent.getKeyText(key.getKeyCode()).charAt(0); | |
1808 | } | |
1809 | // Not a special key, put it together | |
1810 | keypress = new TKeypress(false, 0, ch, alt, ctrl, shift); | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | // Save it and we are done. | |
1815 | synchronized (eventQueue) { | |
1816 | eventQueue.add(new TKeypressEvent(keypress)); | |
e8a11f98 | 1817 | resetBlinkTimer(); |
42873e30 | 1818 | } |
3e074355 KL |
1819 | if (listener != null) { |
1820 | synchronized (listener) { | |
1821 | listener.notifyAll(); | |
1822 | } | |
42873e30 KL |
1823 | } |
1824 | } | |
1825 | ||
d36057df KL |
1826 | // ------------------------------------------------------------------------ |
1827 | // WindowListener --------------------------------------------------------- | |
1828 | // ------------------------------------------------------------------------ | |
1829 | ||
42873e30 KL |
1830 | /** |
1831 | * Pass window events into the event queue. | |
1832 | * | |
1833 | * @param event window event received | |
1834 | */ | |
1835 | public void windowActivated(final WindowEvent event) { | |
1836 | // Force a total repaint | |
1837 | synchronized (this) { | |
1838 | clearPhysical(); | |
1839 | } | |
1840 | } | |
1841 | ||
1842 | /** | |
1843 | * Pass window events into the event queue. | |
1844 | * | |
1845 | * @param event window event received | |
1846 | */ | |
1847 | public void windowClosed(final WindowEvent event) { | |
1848 | // Ignore | |
1849 | } | |
1850 | ||
1851 | /** | |
1852 | * Pass window events into the event queue. | |
1853 | * | |
1854 | * @param event window event received | |
1855 | */ | |
1856 | public void windowClosing(final WindowEvent event) { | |
63bb9478 | 1857 | // Drop a cmBackendDisconnect and walk away |
42873e30 | 1858 | synchronized (eventQueue) { |
63bb9478 | 1859 | eventQueue.add(new TCommandEvent(cmBackendDisconnect)); |
e8a11f98 | 1860 | resetBlinkTimer(); |
42873e30 | 1861 | } |
3e074355 KL |
1862 | if (listener != null) { |
1863 | synchronized (listener) { | |
1864 | listener.notifyAll(); | |
1865 | } | |
42873e30 KL |
1866 | } |
1867 | } | |
1868 | ||
1869 | /** | |
1870 | * Pass window events into the event queue. | |
1871 | * | |
1872 | * @param event window event received | |
1873 | */ | |
1874 | public void windowDeactivated(final WindowEvent event) { | |
1875 | // Ignore | |
1876 | } | |
1877 | ||
1878 | /** | |
1879 | * Pass window events into the event queue. | |
1880 | * | |
1881 | * @param event window event received | |
1882 | */ | |
1883 | public void windowDeiconified(final WindowEvent event) { | |
1884 | // Ignore | |
1885 | } | |
1886 | ||
1887 | /** | |
1888 | * Pass window events into the event queue. | |
1889 | * | |
1890 | * @param event window event received | |
1891 | */ | |
1892 | public void windowIconified(final WindowEvent event) { | |
1893 | // Ignore | |
1894 | } | |
1895 | ||
1896 | /** | |
1897 | * Pass window events into the event queue. | |
1898 | * | |
1899 | * @param event window event received | |
1900 | */ | |
1901 | public void windowOpened(final WindowEvent event) { | |
1902 | // Ignore | |
1903 | } | |
1904 | ||
d36057df KL |
1905 | // ------------------------------------------------------------------------ |
1906 | // ComponentListener ------------------------------------------------------ | |
1907 | // ------------------------------------------------------------------------ | |
1908 | ||
42873e30 KL |
1909 | /** |
1910 | * Pass component events into the event queue. | |
1911 | * | |
1912 | * @param event component event received | |
1913 | */ | |
1914 | public void componentHidden(final ComponentEvent event) { | |
1915 | // Ignore | |
1916 | } | |
1917 | ||
1918 | /** | |
1919 | * Pass component events into the event queue. | |
1920 | * | |
1921 | * @param event component event received | |
1922 | */ | |
1923 | public void componentShown(final ComponentEvent event) { | |
1924 | // Ignore | |
1925 | } | |
1926 | ||
1927 | /** | |
1928 | * Pass component events into the event queue. | |
1929 | * | |
1930 | * @param event component event received | |
1931 | */ | |
1932 | public void componentMoved(final ComponentEvent event) { | |
1933 | // Ignore | |
1934 | } | |
1935 | ||
1936 | /** | |
1937 | * Pass component events into the event queue. | |
1938 | * | |
1939 | * @param event component event received | |
1940 | */ | |
1941 | public void componentResized(final ComponentEvent event) { | |
1942 | if (gotFontDimensions == false) { | |
1943 | // We are still waiting to get font information. Don't pass a | |
1944 | // resize event up. | |
1945 | // System.err.println("size " + swing.getComponent().getSize()); | |
1946 | return; | |
1947 | } | |
1948 | ||
2a92cf97 KL |
1949 | if (sessionInfo == null) { |
1950 | // This is the initial component resize in construction, bail | |
1951 | // out. | |
1952 | return; | |
1953 | } | |
1954 | ||
42873e30 KL |
1955 | // Drop a new TResizeEvent into the queue |
1956 | sessionInfo.queryWindowSize(); | |
1957 | synchronized (eventQueue) { | |
1958 | TResizeEvent windowResize = new TResizeEvent(TResizeEvent.Type.SCREEN, | |
1959 | sessionInfo.getWindowWidth(), sessionInfo.getWindowHeight()); | |
1960 | eventQueue.add(windowResize); | |
e8a11f98 | 1961 | resetBlinkTimer(); |
d36057df KL |
1962 | /* |
1963 | System.err.println("Add resize event: " + windowResize.getWidth() + | |
1964 | " x " + windowResize.getHeight()); | |
1965 | */ | |
42873e30 | 1966 | } |
3e074355 KL |
1967 | if (listener != null) { |
1968 | synchronized (listener) { | |
1969 | listener.notifyAll(); | |
1970 | } | |
42873e30 KL |
1971 | } |
1972 | } | |
1973 | ||
d36057df KL |
1974 | // ------------------------------------------------------------------------ |
1975 | // MouseMotionListener ---------------------------------------------------- | |
1976 | // ------------------------------------------------------------------------ | |
1977 | ||
42873e30 KL |
1978 | /** |
1979 | * Pass mouse events into the event queue. | |
1980 | * | |
1981 | * @param mouse mouse event received | |
1982 | */ | |
1983 | public void mouseDragged(final MouseEvent mouse) { | |
1984 | int modifiers = mouse.getModifiersEx(); | |
1985 | boolean eventMouse1 = false; | |
1986 | boolean eventMouse2 = false; | |
1987 | boolean eventMouse3 = false; | |
1988 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { | |
1989 | eventMouse1 = true; | |
1990 | } | |
1991 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { | |
1992 | eventMouse2 = true; | |
1993 | } | |
1994 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { | |
1995 | eventMouse3 = true; | |
1996 | } | |
1997 | mouse1 = eventMouse1; | |
1998 | mouse2 = eventMouse2; | |
1999 | mouse3 = eventMouse3; | |
2000 | int x = textColumn(mouse.getX()); | |
2001 | int y = textRow(mouse.getY()); | |
2002 | ||
2003 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_MOTION, | |
2004 | x, y, x, y, mouse1, mouse2, mouse3, false, false); | |
2005 | ||
2006 | synchronized (eventQueue) { | |
2007 | eventQueue.add(mouseEvent); | |
e8a11f98 | 2008 | resetBlinkTimer(); |
42873e30 | 2009 | } |
3e074355 KL |
2010 | if (listener != null) { |
2011 | synchronized (listener) { | |
2012 | listener.notifyAll(); | |
2013 | } | |
42873e30 KL |
2014 | } |
2015 | } | |
2016 | ||
2017 | /** | |
2018 | * Pass mouse events into the event queue. | |
2019 | * | |
2020 | * @param mouse mouse event received | |
2021 | */ | |
2022 | public void mouseMoved(final MouseEvent mouse) { | |
2023 | int x = textColumn(mouse.getX()); | |
2024 | int y = textRow(mouse.getY()); | |
2025 | if ((x == oldMouseX) && (y == oldMouseY)) { | |
2026 | // Bail out, we've moved some pixels but not a whole text cell. | |
2027 | return; | |
2028 | } | |
2029 | oldMouseX = x; | |
2030 | oldMouseY = y; | |
2031 | ||
2032 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_MOTION, | |
2033 | x, y, x, y, mouse1, mouse2, mouse3, false, false); | |
2034 | ||
2035 | synchronized (eventQueue) { | |
2036 | eventQueue.add(mouseEvent); | |
e8a11f98 | 2037 | resetBlinkTimer(); |
42873e30 | 2038 | } |
3e074355 KL |
2039 | if (listener != null) { |
2040 | synchronized (listener) { | |
2041 | listener.notifyAll(); | |
2042 | } | |
42873e30 KL |
2043 | } |
2044 | } | |
2045 | ||
d36057df KL |
2046 | // ------------------------------------------------------------------------ |
2047 | // MouseListener ---------------------------------------------------------- | |
2048 | // ------------------------------------------------------------------------ | |
2049 | ||
42873e30 KL |
2050 | /** |
2051 | * Pass mouse events into the event queue. | |
2052 | * | |
2053 | * @param mouse mouse event received | |
2054 | */ | |
2055 | public void mouseClicked(final MouseEvent mouse) { | |
2056 | // Ignore | |
2057 | } | |
2058 | ||
2059 | /** | |
2060 | * Pass mouse events into the event queue. | |
2061 | * | |
2062 | * @param mouse mouse event received | |
2063 | */ | |
2064 | public void mouseEntered(final MouseEvent mouse) { | |
2065 | // Ignore | |
2066 | } | |
2067 | ||
2068 | /** | |
2069 | * Pass mouse events into the event queue. | |
2070 | * | |
2071 | * @param mouse mouse event received | |
2072 | */ | |
2073 | public void mouseExited(final MouseEvent mouse) { | |
2074 | // Ignore | |
2075 | } | |
2076 | ||
2077 | /** | |
2078 | * Pass mouse events into the event queue. | |
2079 | * | |
2080 | * @param mouse mouse event received | |
2081 | */ | |
2082 | public void mousePressed(final MouseEvent mouse) { | |
2083 | int modifiers = mouse.getModifiersEx(); | |
2084 | boolean eventMouse1 = false; | |
2085 | boolean eventMouse2 = false; | |
2086 | boolean eventMouse3 = false; | |
2087 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { | |
2088 | eventMouse1 = true; | |
2089 | } | |
2090 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { | |
2091 | eventMouse2 = true; | |
2092 | } | |
2093 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { | |
2094 | eventMouse3 = true; | |
2095 | } | |
2096 | mouse1 = eventMouse1; | |
2097 | mouse2 = eventMouse2; | |
2098 | mouse3 = eventMouse3; | |
2099 | int x = textColumn(mouse.getX()); | |
2100 | int y = textRow(mouse.getY()); | |
2101 | ||
2102 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_DOWN, | |
2103 | x, y, x, y, mouse1, mouse2, mouse3, false, false); | |
2104 | ||
2105 | synchronized (eventQueue) { | |
2106 | eventQueue.add(mouseEvent); | |
e8a11f98 | 2107 | resetBlinkTimer(); |
42873e30 | 2108 | } |
3e074355 KL |
2109 | if (listener != null) { |
2110 | synchronized (listener) { | |
2111 | listener.notifyAll(); | |
2112 | } | |
42873e30 KL |
2113 | } |
2114 | } | |
2115 | ||
2116 | /** | |
2117 | * Pass mouse events into the event queue. | |
2118 | * | |
2119 | * @param mouse mouse event received | |
2120 | */ | |
2121 | public void mouseReleased(final MouseEvent mouse) { | |
2122 | int modifiers = mouse.getModifiersEx(); | |
2123 | boolean eventMouse1 = false; | |
2124 | boolean eventMouse2 = false; | |
2125 | boolean eventMouse3 = false; | |
2126 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { | |
2127 | eventMouse1 = true; | |
2128 | } | |
2129 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { | |
2130 | eventMouse2 = true; | |
2131 | } | |
2132 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { | |
2133 | eventMouse3 = true; | |
2134 | } | |
2135 | if (mouse1) { | |
2136 | mouse1 = false; | |
2137 | eventMouse1 = true; | |
2138 | } | |
2139 | if (mouse2) { | |
2140 | mouse2 = false; | |
2141 | eventMouse2 = true; | |
2142 | } | |
2143 | if (mouse3) { | |
2144 | mouse3 = false; | |
2145 | eventMouse3 = true; | |
2146 | } | |
2147 | int x = textColumn(mouse.getX()); | |
2148 | int y = textRow(mouse.getY()); | |
2149 | ||
2150 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_UP, | |
2151 | x, y, x, y, eventMouse1, eventMouse2, eventMouse3, false, false); | |
2152 | ||
2153 | synchronized (eventQueue) { | |
2154 | eventQueue.add(mouseEvent); | |
e8a11f98 | 2155 | resetBlinkTimer(); |
42873e30 | 2156 | } |
3e074355 KL |
2157 | if (listener != null) { |
2158 | synchronized (listener) { | |
2159 | listener.notifyAll(); | |
2160 | } | |
42873e30 KL |
2161 | } |
2162 | } | |
2163 | ||
d36057df KL |
2164 | // ------------------------------------------------------------------------ |
2165 | // MouseWheelListener ----------------------------------------------------- | |
2166 | // ------------------------------------------------------------------------ | |
2167 | ||
42873e30 KL |
2168 | /** |
2169 | * Pass mouse events into the event queue. | |
2170 | * | |
2171 | * @param mouse mouse event received | |
2172 | */ | |
2173 | public void mouseWheelMoved(final MouseWheelEvent mouse) { | |
2174 | int modifiers = mouse.getModifiersEx(); | |
2175 | boolean eventMouse1 = false; | |
2176 | boolean eventMouse2 = false; | |
2177 | boolean eventMouse3 = false; | |
2178 | boolean mouseWheelUp = false; | |
2179 | boolean mouseWheelDown = false; | |
2180 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { | |
2181 | eventMouse1 = true; | |
2182 | } | |
2183 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { | |
2184 | eventMouse2 = true; | |
2185 | } | |
2186 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { | |
2187 | eventMouse3 = true; | |
2188 | } | |
2189 | mouse1 = eventMouse1; | |
2190 | mouse2 = eventMouse2; | |
2191 | mouse3 = eventMouse3; | |
2192 | int x = textColumn(mouse.getX()); | |
2193 | int y = textRow(mouse.getY()); | |
2194 | if (mouse.getWheelRotation() > 0) { | |
2195 | mouseWheelDown = true; | |
2196 | } | |
2197 | if (mouse.getWheelRotation() < 0) { | |
2198 | mouseWheelUp = true; | |
2199 | } | |
2200 | ||
2201 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_DOWN, | |
2202 | x, y, x, y, mouse1, mouse2, mouse3, mouseWheelUp, mouseWheelDown); | |
2203 | ||
2204 | synchronized (eventQueue) { | |
2205 | eventQueue.add(mouseEvent); | |
e8a11f98 | 2206 | resetBlinkTimer(); |
42873e30 | 2207 | } |
3e074355 KL |
2208 | if (listener != null) { |
2209 | synchronized (listener) { | |
2210 | listener.notifyAll(); | |
2211 | } | |
42873e30 KL |
2212 | } |
2213 | } | |
2214 | ||
2215 | } |