Commit | Line | Data |
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daa4106c | 1 | /* |
7b5261bc | 2 | * Jexer - Java Text User Interface |
7d4115a5 | 3 | * |
e16dda65 | 4 | * The MIT License (MIT) |
7d4115a5 | 5 | * |
a2018e99 | 6 | * Copyright (C) 2017 Kevin Lamonte |
7d4115a5 | 7 | * |
e16dda65 KL |
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: | |
7d4115a5 | 14 | * |
e16dda65 KL |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
7d4115a5 | 17 | * |
e16dda65 KL |
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. | |
7b5261bc KL |
25 | * |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
7d4115a5 KL |
28 | */ |
29 | package jexer; | |
30 | ||
4328bb42 | 31 | import java.io.InputStream; |
0d47c546 | 32 | import java.io.IOException; |
4328bb42 | 33 | import java.io.OutputStream; |
6985c572 KL |
34 | import java.io.PrintWriter; |
35 | import java.io.Reader; | |
4328bb42 | 36 | import java.io.UnsupportedEncodingException; |
339652cc | 37 | import java.text.MessageFormat; |
a06459bd | 38 | import java.util.Collections; |
d502a0e9 | 39 | import java.util.Date; |
e826b451 | 40 | import java.util.HashMap; |
c6940ed9 | 41 | import java.util.ArrayList; |
4328bb42 KL |
42 | import java.util.LinkedList; |
43 | import java.util.List; | |
e826b451 | 44 | import java.util.Map; |
339652cc | 45 | import java.util.ResourceBundle; |
4328bb42 KL |
46 | |
47 | import jexer.bits.CellAttributes; | |
48 | import jexer.bits.ColorTheme; | |
4328bb42 KL |
49 | import jexer.event.TCommandEvent; |
50 | import jexer.event.TInputEvent; | |
51 | import jexer.event.TKeypressEvent; | |
fca67db0 | 52 | import jexer.event.TMenuEvent; |
4328bb42 KL |
53 | import jexer.event.TMouseEvent; |
54 | import jexer.event.TResizeEvent; | |
55 | import jexer.backend.Backend; | |
42873e30 | 56 | import jexer.backend.Screen; |
be72cb5c | 57 | import jexer.backend.MultiBackend; |
a4406f4e | 58 | import jexer.backend.SwingBackend; |
4328bb42 | 59 | import jexer.backend.ECMA48Backend; |
3e074355 | 60 | import jexer.backend.TWindowBackend; |
928811d8 KL |
61 | import jexer.menu.TMenu; |
62 | import jexer.menu.TMenuItem; | |
4328bb42 | 63 | import static jexer.TCommand.*; |
2ce6dab2 | 64 | import static jexer.TKeypress.*; |
4328bb42 | 65 | |
7d4115a5 | 66 | /** |
42873e30 KL |
67 | * TApplication is the main driver class for a full Text User Interface |
68 | * application. It manages windows, provides a menu bar and status bar, and | |
69 | * processes events received from the user. | |
7d4115a5 | 70 | */ |
a4406f4e | 71 | public class TApplication implements Runnable { |
7d4115a5 | 72 | |
339652cc KL |
73 | /** |
74 | * Translated strings. | |
75 | */ | |
76 | private static final ResourceBundle i18n = ResourceBundle.getBundle(TApplication.class.getName()); | |
77 | ||
2ce6dab2 KL |
78 | // ------------------------------------------------------------------------ |
79 | // Public constants ------------------------------------------------------- | |
80 | // ------------------------------------------------------------------------ | |
81 | ||
99144c71 KL |
82 | /** |
83 | * If true, emit thread stuff to System.err. | |
84 | */ | |
85 | private static final boolean debugThreads = false; | |
86 | ||
a83fea2b KL |
87 | /** |
88 | * If true, emit events being processed to System.err. | |
89 | */ | |
90 | private static final boolean debugEvents = false; | |
91 | ||
a7986f7b KL |
92 | /** |
93 | * If true, do "smart placement" on new windows that are not specified to | |
94 | * be centered. | |
95 | */ | |
96 | private static final boolean smartWindowPlacement = true; | |
97 | ||
a4406f4e KL |
98 | /** |
99 | * Two backend types are available. | |
100 | */ | |
101 | public static enum BackendType { | |
102 | /** | |
103 | * A Swing JFrame. | |
104 | */ | |
105 | SWING, | |
106 | ||
107 | /** | |
108 | * An ECMA48 / ANSI X3.64 / XTERM style terminal. | |
109 | */ | |
110 | ECMA48, | |
111 | ||
112 | /** | |
329fd62e | 113 | * Synonym for ECMA48. |
a4406f4e KL |
114 | */ |
115 | XTERM | |
116 | } | |
117 | ||
2ce6dab2 KL |
118 | // ------------------------------------------------------------------------ |
119 | // Primary/secondary event handlers --------------------------------------- | |
120 | // ------------------------------------------------------------------------ | |
121 | ||
c6940ed9 KL |
122 | /** |
123 | * WidgetEventHandler is the main event consumer loop. There are at most | |
124 | * two such threads in existence: the primary for normal case and a | |
125 | * secondary that is used for TMessageBox, TInputBox, and similar. | |
126 | */ | |
127 | private class WidgetEventHandler implements Runnable { | |
128 | /** | |
129 | * The main application. | |
130 | */ | |
131 | private TApplication application; | |
132 | ||
133 | /** | |
134 | * Whether or not this WidgetEventHandler is the primary or secondary | |
135 | * thread. | |
136 | */ | |
137 | private boolean primary = true; | |
138 | ||
139 | /** | |
140 | * Public constructor. | |
141 | * | |
142 | * @param application the main application | |
143 | * @param primary if true, this is the primary event handler thread | |
144 | */ | |
145 | public WidgetEventHandler(final TApplication application, | |
146 | final boolean primary) { | |
147 | ||
148 | this.application = application; | |
149 | this.primary = primary; | |
150 | } | |
151 | ||
152 | /** | |
153 | * The consumer loop. | |
154 | */ | |
155 | public void run() { | |
be72cb5c | 156 | boolean first = true; |
c6940ed9 KL |
157 | |
158 | // Loop forever | |
159 | while (!application.quit) { | |
160 | ||
161 | // Wait until application notifies me | |
162 | while (!application.quit) { | |
163 | try { | |
164 | synchronized (application.drainEventQueue) { | |
165 | if (application.drainEventQueue.size() > 0) { | |
166 | break; | |
167 | } | |
168 | } | |
92554d64 | 169 | |
be72cb5c KL |
170 | long timeout = 0; |
171 | if (first) { | |
172 | first = false; | |
173 | } else { | |
174 | timeout = application.getSleepTime(1000); | |
175 | } | |
176 | ||
177 | if (timeout == 0) { | |
178 | // A timer needs to fire, break out. | |
179 | break; | |
180 | } | |
92554d64 | 181 | |
be72cb5c KL |
182 | if (debugThreads) { |
183 | System.err.printf("%d %s %s sleep %d millis\n", | |
184 | System.currentTimeMillis(), this, | |
185 | primary ? "primary" : "secondary", timeout); | |
186 | } | |
92554d64 | 187 | |
be72cb5c KL |
188 | synchronized (this) { |
189 | this.wait(timeout); | |
190 | } | |
92554d64 | 191 | |
be72cb5c KL |
192 | if (debugThreads) { |
193 | System.err.printf("%d %s %s AWAKE\n", | |
194 | System.currentTimeMillis(), this, | |
195 | primary ? "primary" : "secondary"); | |
196 | } | |
197 | ||
198 | if ((!primary) | |
199 | && (application.secondaryEventReceiver == null) | |
200 | ) { | |
201 | // Secondary thread, emergency exit. If we got | |
202 | // here then something went wrong with the | |
203 | // handoff between yield() and closeWindow(). | |
204 | synchronized (application.primaryEventHandler) { | |
205 | application.primaryEventHandler.notify(); | |
c6940ed9 | 206 | } |
be72cb5c KL |
207 | application.secondaryEventHandler = null; |
208 | throw new RuntimeException("secondary exited " + | |
209 | "at wrong time"); | |
c6940ed9 | 210 | } |
be72cb5c | 211 | break; |
c6940ed9 KL |
212 | } catch (InterruptedException e) { |
213 | // SQUASH | |
214 | } | |
be72cb5c | 215 | } // while (!application.quit) |
ef368bd0 | 216 | |
c6940ed9 KL |
217 | // Pull all events off the queue |
218 | for (;;) { | |
219 | TInputEvent event = null; | |
220 | synchronized (application.drainEventQueue) { | |
221 | if (application.drainEventQueue.size() == 0) { | |
222 | break; | |
223 | } | |
224 | event = application.drainEventQueue.remove(0); | |
225 | } | |
be72cb5c KL |
226 | |
227 | // We will have an event to process, so repaint the | |
228 | // screen at the end. | |
bd8d51fa | 229 | application.repaint = true; |
be72cb5c | 230 | |
c6940ed9 KL |
231 | if (primary) { |
232 | primaryHandleEvent(event); | |
233 | } else { | |
234 | secondaryHandleEvent(event); | |
235 | } | |
236 | if ((!primary) | |
237 | && (application.secondaryEventReceiver == null) | |
238 | ) { | |
99144c71 KL |
239 | // Secondary thread, time to exit. |
240 | ||
241 | // DO NOT UNLOCK. Primary thread just came back from | |
242 | // primaryHandleEvent() and will unlock in the else | |
92554d64 KL |
243 | // block below. Just wake it up. |
244 | synchronized (application.primaryEventHandler) { | |
245 | application.primaryEventHandler.notify(); | |
246 | } | |
247 | // Now eliminate my reference so that | |
248 | // wakeEventHandler() resumes working on the primary. | |
249 | application.secondaryEventHandler = null; | |
250 | ||
251 | // All done! | |
c6940ed9 KL |
252 | return; |
253 | } | |
92554d64 | 254 | |
be72cb5c | 255 | } // for (;;) |
ef368bd0 | 256 | |
be72cb5c KL |
257 | // Fire timers, update screen. |
258 | if (!quit) { | |
259 | application.finishEventProcessing(); | |
c6940ed9 | 260 | } |
92554d64 | 261 | |
c6940ed9 KL |
262 | } // while (true) (main runnable loop) |
263 | } | |
264 | } | |
265 | ||
266 | /** | |
267 | * The primary event handler thread. | |
268 | */ | |
92554d64 | 269 | private volatile WidgetEventHandler primaryEventHandler; |
c6940ed9 KL |
270 | |
271 | /** | |
272 | * The secondary event handler thread. | |
273 | */ | |
92554d64 | 274 | private volatile WidgetEventHandler secondaryEventHandler; |
c6940ed9 KL |
275 | |
276 | /** | |
277 | * The widget receiving events from the secondary event handler thread. | |
278 | */ | |
92554d64 | 279 | private volatile TWidget secondaryEventReceiver; |
c6940ed9 | 280 | |
92554d64 KL |
281 | /** |
282 | * Wake the sleeping active event handler. | |
283 | */ | |
284 | private void wakeEventHandler() { | |
285 | if (secondaryEventHandler != null) { | |
286 | synchronized (secondaryEventHandler) { | |
287 | secondaryEventHandler.notify(); | |
288 | } | |
289 | } else { | |
290 | assert (primaryEventHandler != null); | |
291 | synchronized (primaryEventHandler) { | |
292 | primaryEventHandler.notify(); | |
293 | } | |
294 | } | |
295 | } | |
296 | ||
2ce6dab2 KL |
297 | // ------------------------------------------------------------------------ |
298 | // TApplication attributes ------------------------------------------------ | |
299 | // ------------------------------------------------------------------------ | |
300 | ||
7d4115a5 | 301 | /** |
4328bb42 KL |
302 | * Access to the physical screen, keyboard, and mouse. |
303 | */ | |
7b5261bc | 304 | private Backend backend; |
4328bb42 | 305 | |
55d2b2c2 KL |
306 | /** |
307 | * Get the Backend. | |
308 | * | |
309 | * @return the Backend | |
310 | */ | |
311 | public final Backend getBackend() { | |
312 | return backend; | |
313 | } | |
314 | ||
48e27807 KL |
315 | /** |
316 | * Get the Screen. | |
317 | * | |
318 | * @return the Screen | |
319 | */ | |
320 | public final Screen getScreen() { | |
3e074355 KL |
321 | if (backend instanceof TWindowBackend) { |
322 | // We are being rendered to a TWindow. We can't use its | |
323 | // getScreen() method because that is how it is rendering to a | |
324 | // hardware backend somewhere. Instead use its getOtherScreen() | |
325 | // method. | |
326 | return ((TWindowBackend) backend).getOtherScreen(); | |
327 | } else { | |
328 | return backend.getScreen(); | |
329 | } | |
48e27807 KL |
330 | } |
331 | ||
4328bb42 | 332 | /** |
7b5261bc | 333 | * Actual mouse coordinate X. |
4328bb42 KL |
334 | */ |
335 | private int mouseX; | |
336 | ||
337 | /** | |
7b5261bc | 338 | * Actual mouse coordinate Y. |
4328bb42 KL |
339 | */ |
340 | private int mouseY; | |
341 | ||
bd8d51fa KL |
342 | /** |
343 | * Old version of mouse coordinate X. | |
344 | */ | |
345 | private int oldMouseX; | |
346 | ||
347 | /** | |
348 | * Old version mouse coordinate Y. | |
349 | */ | |
350 | private int oldMouseY; | |
351 | ||
4328bb42 | 352 | /** |
8e688b92 | 353 | * Event queue that is filled by run(). |
4328bb42 | 354 | */ |
8e688b92 KL |
355 | private List<TInputEvent> fillEventQueue; |
356 | ||
357 | /** | |
358 | * Event queue that will be drained by either primary or secondary | |
359 | * Thread. | |
360 | */ | |
361 | private List<TInputEvent> drainEventQueue; | |
4328bb42 | 362 | |
fca67db0 KL |
363 | /** |
364 | * Top-level menus in this application. | |
365 | */ | |
366 | private List<TMenu> menus; | |
367 | ||
368 | /** | |
369 | * Stack of activated sub-menus in this application. | |
370 | */ | |
371 | private List<TMenu> subMenus; | |
372 | ||
373 | /** | |
92453213 | 374 | * The currently active menu. |
fca67db0 KL |
375 | */ |
376 | private TMenu activeMenu = null; | |
377 | ||
e826b451 KL |
378 | /** |
379 | * Active keyboard accelerators. | |
380 | */ | |
381 | private Map<TKeypress, TMenuItem> accelerators; | |
382 | ||
efb7af1f KL |
383 | /** |
384 | * All menu items. | |
385 | */ | |
386 | private List<TMenuItem> menuItems; | |
387 | ||
4328bb42 KL |
388 | /** |
389 | * Windows and widgets pull colors from this ColorTheme. | |
390 | */ | |
7b5261bc KL |
391 | private ColorTheme theme; |
392 | ||
393 | /** | |
394 | * Get the color theme. | |
395 | * | |
396 | * @return the theme | |
397 | */ | |
398 | public final ColorTheme getTheme() { | |
399 | return theme; | |
400 | } | |
4328bb42 | 401 | |
a06459bd KL |
402 | /** |
403 | * The top-level windows (but not menus). | |
404 | */ | |
fca67db0 | 405 | private List<TWindow> windows; |
a06459bd | 406 | |
92453213 KL |
407 | /** |
408 | * The currently acive window. | |
409 | */ | |
410 | private TWindow activeWindow = null; | |
411 | ||
d502a0e9 KL |
412 | /** |
413 | * Timers that are being ticked. | |
414 | */ | |
415 | private List<TTimer> timers; | |
416 | ||
4328bb42 KL |
417 | /** |
418 | * When true, exit the application. | |
419 | */ | |
92554d64 | 420 | private volatile boolean quit = false; |
4328bb42 KL |
421 | |
422 | /** | |
423 | * When true, repaint the entire screen. | |
424 | */ | |
92554d64 | 425 | private volatile boolean repaint = true; |
4328bb42 | 426 | |
be72cb5c KL |
427 | /** |
428 | * Repaint the screen on the next update. | |
429 | */ | |
430 | public void doRepaint() { | |
431 | repaint = true; | |
432 | wakeEventHandler(); | |
433 | } | |
434 | ||
4328bb42 | 435 | /** |
7b5261bc KL |
436 | * Y coordinate of the top edge of the desktop. For now this is a |
437 | * constant. Someday it would be nice to have a multi-line menu or | |
438 | * toolbars. | |
4328bb42 | 439 | */ |
48e27807 KL |
440 | private static final int desktopTop = 1; |
441 | ||
442 | /** | |
443 | * Get Y coordinate of the top edge of the desktop. | |
444 | * | |
445 | * @return Y coordinate of the top edge of the desktop | |
446 | */ | |
447 | public final int getDesktopTop() { | |
448 | return desktopTop; | |
449 | } | |
4328bb42 KL |
450 | |
451 | /** | |
452 | * Y coordinate of the bottom edge of the desktop. | |
453 | */ | |
48e27807 KL |
454 | private int desktopBottom; |
455 | ||
456 | /** | |
457 | * Get Y coordinate of the bottom edge of the desktop. | |
458 | * | |
459 | * @return Y coordinate of the bottom edge of the desktop | |
460 | */ | |
461 | public final int getDesktopBottom() { | |
462 | return desktopBottom; | |
463 | } | |
4328bb42 | 464 | |
0ee88b6d KL |
465 | /** |
466 | * An optional TDesktop background window that is drawn underneath | |
467 | * everything else. | |
468 | */ | |
469 | private TDesktop desktop; | |
470 | ||
471 | /** | |
472 | * Set the TDesktop instance. | |
473 | * | |
474 | * @param desktop a TDesktop instance, or null to remove the one that is | |
475 | * set | |
476 | */ | |
477 | public final void setDesktop(final TDesktop desktop) { | |
478 | if (this.desktop != null) { | |
479 | this.desktop.onClose(); | |
480 | } | |
481 | this.desktop = desktop; | |
482 | } | |
483 | ||
484 | /** | |
485 | * Get the TDesktop instance. | |
486 | * | |
487 | * @return the desktop, or null if it is not set | |
488 | */ | |
489 | public final TDesktop getDesktop() { | |
490 | return desktop; | |
491 | } | |
492 | ||
92453213 KL |
493 | /** |
494 | * Get the current active window. | |
495 | * | |
496 | * @return the active window, or null if it is not set | |
497 | */ | |
498 | public final TWindow getActiveWindow() { | |
499 | return activeWindow; | |
500 | } | |
501 | ||
502 | /** | |
e8a11f98 | 503 | * Get a (shallow) copy of the window list. |
92453213 KL |
504 | * |
505 | * @return a copy of the list of windows for this application | |
506 | */ | |
507 | public final List<TWindow> getAllWindows() { | |
508 | List<TWindow> result = new LinkedList<TWindow>(); | |
509 | result.addAll(windows); | |
510 | return result; | |
511 | } | |
512 | ||
72fca17b KL |
513 | /** |
514 | * If true, focus follows mouse: windows automatically raised if the | |
515 | * mouse passes over them. | |
516 | */ | |
517 | private boolean focusFollowsMouse = false; | |
518 | ||
519 | /** | |
520 | * Get focusFollowsMouse flag. | |
521 | * | |
522 | * @return true if focus follows mouse: windows automatically raised if | |
523 | * the mouse passes over them | |
524 | */ | |
525 | public boolean getFocusFollowsMouse() { | |
526 | return focusFollowsMouse; | |
527 | } | |
528 | ||
529 | /** | |
530 | * Set focusFollowsMouse flag. | |
531 | * | |
532 | * @param focusFollowsMouse if true, focus follows mouse: windows | |
533 | * automatically raised if the mouse passes over them | |
534 | */ | |
535 | public void setFocusFollowsMouse(final boolean focusFollowsMouse) { | |
536 | this.focusFollowsMouse = focusFollowsMouse; | |
537 | } | |
538 | ||
2ce6dab2 KL |
539 | // ------------------------------------------------------------------------ |
540 | // General behavior ------------------------------------------------------- | |
541 | // ------------------------------------------------------------------------ | |
542 | ||
543 | /** | |
544 | * Display the about dialog. | |
545 | */ | |
546 | protected void showAboutDialog() { | |
339652cc KL |
547 | messageBox(i18n.getString("aboutDialogTitle"), |
548 | MessageFormat.format(i18n.getString("aboutDialogText"), | |
549 | this.getClass().getPackage().getImplementationVersion()), | |
2ce6dab2 KL |
550 | TMessageBox.Type.OK); |
551 | } | |
552 | ||
553 | // ------------------------------------------------------------------------ | |
554 | // Constructors ----------------------------------------------------------- | |
555 | // ------------------------------------------------------------------------ | |
556 | ||
4328bb42 KL |
557 | /** |
558 | * Public constructor. | |
559 | * | |
a4406f4e KL |
560 | * @param backendType BackendType.XTERM, BackendType.ECMA48 or |
561 | * BackendType.SWING | |
562 | * @throws UnsupportedEncodingException if an exception is thrown when | |
563 | * creating the InputStreamReader | |
564 | */ | |
565 | public TApplication(final BackendType backendType) | |
566 | throws UnsupportedEncodingException { | |
567 | ||
568 | switch (backendType) { | |
569 | case SWING: | |
c447c6e5 KL |
570 | // The default SwingBackend is 80x25, 20 pt font. If you want to |
571 | // change that, you can pass the extra arguments to the | |
572 | // SwingBackend constructor here. For example, if you wanted | |
573 | // 90x30, 16 pt font: | |
574 | // | |
575 | // backend = new SwingBackend(this, 90, 30, 16); | |
a4406f4e KL |
576 | backend = new SwingBackend(this); |
577 | break; | |
578 | case XTERM: | |
579 | // Fall through... | |
580 | case ECMA48: | |
581 | backend = new ECMA48Backend(this, null, null); | |
329fd62e KL |
582 | break; |
583 | default: | |
584 | throw new IllegalArgumentException("Invalid backend type: " | |
585 | + backendType); | |
a4406f4e KL |
586 | } |
587 | TApplicationImpl(); | |
588 | } | |
589 | ||
590 | /** | |
591 | * Public constructor. The backend type will be BackendType.ECMA48. | |
592 | * | |
4328bb42 KL |
593 | * @param input an InputStream connected to the remote user, or null for |
594 | * System.in. If System.in is used, then on non-Windows systems it will | |
595 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
596 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
597 | * @param output an OutputStream connected to the remote user, or null | |
598 | * for System.out. output is always converted to a Writer with UTF-8 | |
599 | * encoding. | |
7b5261bc KL |
600 | * @throws UnsupportedEncodingException if an exception is thrown when |
601 | * creating the InputStreamReader | |
4328bb42 | 602 | */ |
7b5261bc KL |
603 | public TApplication(final InputStream input, |
604 | final OutputStream output) throws UnsupportedEncodingException { | |
4328bb42 | 605 | |
a4406f4e KL |
606 | backend = new ECMA48Backend(this, input, output); |
607 | TApplicationImpl(); | |
608 | } | |
30bd4abd | 609 | |
6985c572 KL |
610 | /** |
611 | * Public constructor. The backend type will be BackendType.ECMA48. | |
612 | * | |
613 | * @param input the InputStream underlying 'reader'. Its available() | |
614 | * method is used to determine if reader.read() will block or not. | |
615 | * @param reader a Reader connected to the remote user. | |
616 | * @param writer a PrintWriter connected to the remote user. | |
617 | * @param setRawMode if true, set System.in into raw mode with stty. | |
618 | * This should in general not be used. It is here solely for Demo3, | |
619 | * which uses System.in. | |
620 | * @throws IllegalArgumentException if input, reader, or writer are null. | |
621 | */ | |
622 | public TApplication(final InputStream input, final Reader reader, | |
623 | final PrintWriter writer, final boolean setRawMode) { | |
624 | ||
625 | backend = new ECMA48Backend(this, input, reader, writer, setRawMode); | |
626 | TApplicationImpl(); | |
627 | } | |
628 | ||
629 | /** | |
630 | * Public constructor. The backend type will be BackendType.ECMA48. | |
631 | * | |
632 | * @param input the InputStream underlying 'reader'. Its available() | |
633 | * method is used to determine if reader.read() will block or not. | |
634 | * @param reader a Reader connected to the remote user. | |
635 | * @param writer a PrintWriter connected to the remote user. | |
636 | * @throws IllegalArgumentException if input, reader, or writer are null. | |
637 | */ | |
638 | public TApplication(final InputStream input, final Reader reader, | |
639 | final PrintWriter writer) { | |
640 | ||
641 | this(input, reader, writer, false); | |
642 | } | |
643 | ||
a4406f4e KL |
644 | /** |
645 | * Public constructor. This hook enables use with new non-Jexer | |
646 | * backends. | |
647 | * | |
648 | * @param backend a Backend that is already ready to go. | |
649 | */ | |
650 | public TApplication(final Backend backend) { | |
651 | this.backend = backend; | |
3e074355 | 652 | backend.setListener(this); |
a4406f4e KL |
653 | TApplicationImpl(); |
654 | } | |
30bd4abd | 655 | |
a4406f4e KL |
656 | /** |
657 | * Finish construction once the backend is set. | |
658 | */ | |
659 | private void TApplicationImpl() { | |
8e688b92 KL |
660 | theme = new ColorTheme(); |
661 | desktopBottom = getScreen().getHeight() - 1; | |
c6940ed9 KL |
662 | fillEventQueue = new ArrayList<TInputEvent>(); |
663 | drainEventQueue = new ArrayList<TInputEvent>(); | |
8e688b92 KL |
664 | windows = new LinkedList<TWindow>(); |
665 | menus = new LinkedList<TMenu>(); | |
666 | subMenus = new LinkedList<TMenu>(); | |
d502a0e9 | 667 | timers = new LinkedList<TTimer>(); |
e826b451 | 668 | accelerators = new HashMap<TKeypress, TMenuItem>(); |
efb7af1f | 669 | menuItems = new ArrayList<TMenuItem>(); |
0ee88b6d | 670 | desktop = new TDesktop(this); |
c6940ed9 | 671 | |
be72cb5c KL |
672 | // Special case: the Swing backend needs to have a timer to drive its |
673 | // blink state. | |
674 | if ((backend instanceof SwingBackend) | |
675 | || (backend instanceof MultiBackend) | |
676 | ) { | |
677 | // Default to 500 millis, unless a SwingBackend has its own | |
678 | // value. | |
679 | long millis = 500; | |
680 | if (backend instanceof SwingBackend) { | |
681 | millis = ((SwingBackend) backend).getBlinkMillis(); | |
682 | } | |
683 | if (millis > 0) { | |
684 | addTimer(millis, true, | |
685 | new TAction() { | |
686 | public void DO() { | |
687 | TApplication.this.doRepaint(); | |
688 | } | |
689 | } | |
690 | ); | |
691 | } | |
692 | } | |
4328bb42 KL |
693 | } |
694 | ||
2ce6dab2 KL |
695 | // ------------------------------------------------------------------------ |
696 | // Screen refresh loop ---------------------------------------------------- | |
697 | // ------------------------------------------------------------------------ | |
698 | ||
be72cb5c KL |
699 | /** |
700 | * Process background events, and update the screen. | |
701 | */ | |
702 | private void finishEventProcessing() { | |
703 | if (debugThreads) { | |
704 | System.err.printf(System.currentTimeMillis() + " " + | |
705 | Thread.currentThread() + " finishEventProcessing()\n"); | |
706 | } | |
707 | ||
708 | // Process timers and call doIdle()'s | |
709 | doIdle(); | |
710 | ||
711 | // Update the screen | |
712 | synchronized (getScreen()) { | |
713 | drawAll(); | |
714 | } | |
715 | ||
716 | if (debugThreads) { | |
717 | System.err.printf(System.currentTimeMillis() + " " + | |
718 | Thread.currentThread() + " finishEventProcessing() END\n"); | |
719 | } | |
720 | } | |
721 | ||
4328bb42 | 722 | /** |
bd8d51fa KL |
723 | * Invert the cell color at a position. This is used to track the mouse. |
724 | * | |
725 | * @param x column position | |
726 | * @param y row position | |
4328bb42 | 727 | */ |
bd8d51fa | 728 | private void invertCell(final int x, final int y) { |
1d14ffab | 729 | if (debugThreads) { |
be72cb5c KL |
730 | System.err.printf("%d %s invertCell() %d %d\n", |
731 | System.currentTimeMillis(), Thread.currentThread(), x, y); | |
7b5261bc | 732 | } |
1d14ffab KL |
733 | CellAttributes attr = getScreen().getAttrXY(x, y); |
734 | attr.setForeColor(attr.getForeColor().invert()); | |
735 | attr.setBackColor(attr.getBackColor().invert()); | |
736 | getScreen().putAttrXY(x, y, attr, false); | |
4328bb42 KL |
737 | } |
738 | ||
739 | /** | |
740 | * Draw everything. | |
741 | */ | |
7c870d89 | 742 | private void drawAll() { |
339652cc KL |
743 | boolean menuIsActive = false; |
744 | ||
99144c71 | 745 | if (debugThreads) { |
be72cb5c KL |
746 | System.err.printf("%d %s drawAll() enter\n", |
747 | System.currentTimeMillis(), Thread.currentThread()); | |
99144c71 KL |
748 | } |
749 | ||
bd8d51fa | 750 | if (!repaint) { |
1d14ffab | 751 | if (debugThreads) { |
be72cb5c KL |
752 | System.err.printf("%d %s drawAll() !repaint\n", |
753 | System.currentTimeMillis(), Thread.currentThread()); | |
bd8d51fa | 754 | } |
1d14ffab KL |
755 | synchronized (getScreen()) { |
756 | if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) { | |
757 | // The only thing that has happened is the mouse moved. | |
758 | // Clear the old position and draw the new position. | |
759 | invertCell(oldMouseX, oldMouseY); | |
760 | invertCell(mouseX, mouseY); | |
761 | oldMouseX = mouseX; | |
762 | oldMouseY = mouseY; | |
763 | } | |
764 | if (getScreen().isDirty()) { | |
765 | backend.flushScreen(); | |
766 | } | |
767 | return; | |
bd8d51fa | 768 | } |
7b5261bc KL |
769 | } |
770 | ||
99144c71 | 771 | if (debugThreads) { |
be72cb5c KL |
772 | System.err.printf("%d %s drawAll() REDRAW\n", |
773 | System.currentTimeMillis(), Thread.currentThread()); | |
99144c71 KL |
774 | } |
775 | ||
7b5261bc KL |
776 | // If true, the cursor is not visible |
777 | boolean cursor = false; | |
778 | ||
779 | // Start with a clean screen | |
a06459bd | 780 | getScreen().clear(); |
7b5261bc | 781 | |
0ee88b6d KL |
782 | // Draw the desktop |
783 | if (desktop != null) { | |
784 | desktop.drawChildren(); | |
785 | } | |
7b5261bc | 786 | |
7b5261bc | 787 | // Draw each window in reverse Z order |
a06459bd KL |
788 | List<TWindow> sorted = new LinkedList<TWindow>(windows); |
789 | Collections.sort(sorted); | |
e685a47d KL |
790 | TWindow topLevel = null; |
791 | if (sorted.size() > 0) { | |
792 | topLevel = sorted.get(0); | |
793 | } | |
a06459bd KL |
794 | Collections.reverse(sorted); |
795 | for (TWindow window: sorted) { | |
92453213 KL |
796 | if (window.isShown()) { |
797 | window.drawChildren(); | |
798 | } | |
7b5261bc KL |
799 | } |
800 | ||
801 | // Draw the blank menubar line - reset the screen clipping first so | |
802 | // it won't trim it out. | |
a06459bd KL |
803 | getScreen().resetClipping(); |
804 | getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ', | |
7b5261bc KL |
805 | theme.getColor("tmenu")); |
806 | // Now draw the menus. | |
807 | int x = 1; | |
fca67db0 | 808 | for (TMenu menu: menus) { |
7b5261bc KL |
809 | CellAttributes menuColor; |
810 | CellAttributes menuMnemonicColor; | |
7c870d89 | 811 | if (menu.isActive()) { |
339652cc | 812 | menuIsActive = true; |
7b5261bc KL |
813 | menuColor = theme.getColor("tmenu.highlighted"); |
814 | menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted"); | |
2ce6dab2 | 815 | topLevel = menu; |
7b5261bc KL |
816 | } else { |
817 | menuColor = theme.getColor("tmenu"); | |
818 | menuMnemonicColor = theme.getColor("tmenu.mnemonic"); | |
819 | } | |
820 | // Draw the menu title | |
fca67db0 | 821 | getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ', |
7b5261bc | 822 | menuColor); |
0d47c546 | 823 | getScreen().putStringXY(x + 1, 0, menu.getTitle(), menuColor); |
7b5261bc | 824 | // Draw the highlight character |
fca67db0 KL |
825 | getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(), |
826 | 0, menu.getMnemonic().getShortcut(), menuMnemonicColor); | |
7b5261bc | 827 | |
7c870d89 | 828 | if (menu.isActive()) { |
a06459bd | 829 | menu.drawChildren(); |
7b5261bc | 830 | // Reset the screen clipping so we can draw the next title. |
a06459bd | 831 | getScreen().resetClipping(); |
7b5261bc | 832 | } |
fca67db0 | 833 | x += menu.getTitle().length() + 2; |
7b5261bc KL |
834 | } |
835 | ||
a06459bd | 836 | for (TMenu menu: subMenus) { |
7b5261bc | 837 | // Reset the screen clipping so we can draw the next sub-menu. |
a06459bd KL |
838 | getScreen().resetClipping(); |
839 | menu.drawChildren(); | |
7b5261bc | 840 | } |
7b5261bc | 841 | |
2ce6dab2 | 842 | // Draw the status bar of the top-level window |
e685a47d KL |
843 | TStatusBar statusBar = null; |
844 | if (topLevel != null) { | |
845 | statusBar = topLevel.getStatusBar(); | |
846 | } | |
2ce6dab2 KL |
847 | if (statusBar != null) { |
848 | getScreen().resetClipping(); | |
849 | statusBar.setWidth(getScreen().getWidth()); | |
850 | statusBar.setY(getScreen().getHeight() - topLevel.getY()); | |
851 | statusBar.draw(); | |
852 | } else { | |
853 | CellAttributes barColor = new CellAttributes(); | |
854 | barColor.setTo(getTheme().getColor("tstatusbar.text")); | |
855 | getScreen().hLineXY(0, desktopBottom, getScreen().getWidth(), ' ', | |
856 | barColor); | |
857 | } | |
858 | ||
7b5261bc | 859 | // Draw the mouse pointer |
bd8d51fa | 860 | invertCell(mouseX, mouseY); |
1d14ffab KL |
861 | oldMouseX = mouseX; |
862 | oldMouseY = mouseY; | |
7b5261bc | 863 | |
7b5261bc | 864 | // Place the cursor if it is visible |
339652cc KL |
865 | if (!menuIsActive) { |
866 | TWidget activeWidget = null; | |
867 | if (sorted.size() > 0) { | |
868 | activeWidget = sorted.get(sorted.size() - 1).getActiveChild(); | |
869 | if (activeWidget.isCursorVisible()) { | |
870 | if ((activeWidget.getCursorAbsoluteY() < desktopBottom) | |
871 | && (activeWidget.getCursorAbsoluteY() > desktopTop) | |
872 | ) { | |
873 | getScreen().putCursor(true, | |
874 | activeWidget.getCursorAbsoluteX(), | |
875 | activeWidget.getCursorAbsoluteY()); | |
876 | cursor = true; | |
877 | } else { | |
878 | getScreen().putCursor(false, | |
879 | activeWidget.getCursorAbsoluteX(), | |
880 | activeWidget.getCursorAbsoluteY()); | |
881 | cursor = false; | |
882 | } | |
be72cb5c | 883 | } |
7b5261bc KL |
884 | } |
885 | } | |
886 | ||
887 | // Kill the cursor | |
fca67db0 | 888 | if (!cursor) { |
a06459bd | 889 | getScreen().hideCursor(); |
7b5261bc | 890 | } |
7b5261bc KL |
891 | |
892 | // Flush the screen contents | |
1d14ffab KL |
893 | if (getScreen().isDirty()) { |
894 | backend.flushScreen(); | |
895 | } | |
7b5261bc KL |
896 | |
897 | repaint = false; | |
4328bb42 KL |
898 | } |
899 | ||
2ce6dab2 KL |
900 | // ------------------------------------------------------------------------ |
901 | // Main loop -------------------------------------------------------------- | |
902 | // ------------------------------------------------------------------------ | |
903 | ||
42873e30 KL |
904 | /** |
905 | * Force this application to exit. | |
906 | */ | |
907 | public void exit() { | |
908 | quit = true; | |
be72cb5c KL |
909 | synchronized (this) { |
910 | this.notify(); | |
911 | } | |
42873e30 KL |
912 | } |
913 | ||
4328bb42 | 914 | /** |
7b5261bc | 915 | * Run this application until it exits. |
4328bb42 | 916 | */ |
a4406f4e | 917 | public void run() { |
be72cb5c KL |
918 | // Start the main consumer thread |
919 | primaryEventHandler = new WidgetEventHandler(this, true); | |
920 | (new Thread(primaryEventHandler)).start(); | |
2027327c | 921 | |
7b5261bc | 922 | while (!quit) { |
be72cb5c KL |
923 | synchronized (this) { |
924 | boolean doWait = false; | |
925 | ||
926 | synchronized (fillEventQueue) { | |
927 | if (fillEventQueue.size() == 0) { | |
928 | doWait = true; | |
6358f6e5 | 929 | } |
be72cb5c KL |
930 | } |
931 | ||
932 | if (doWait) { | |
933 | // No I/O to dispatch, so wait until the backend | |
934 | // provides new I/O. | |
935 | try { | |
936 | if (debugThreads) { | |
937 | System.err.println(System.currentTimeMillis() + | |
938 | " MAIN sleep"); | |
939 | } | |
940 | ||
941 | this.wait(); | |
942 | ||
943 | if (debugThreads) { | |
944 | System.err.println(System.currentTimeMillis() + | |
945 | " MAIN AWAKE"); | |
946 | } | |
947 | } catch (InterruptedException e) { | |
948 | // I'm awake and don't care why, let's see what's | |
949 | // going on out there. | |
92554d64 | 950 | } |
8e688b92 | 951 | } |
7b5261bc | 952 | |
be72cb5c | 953 | } // synchronized (this) |
ef368bd0 | 954 | |
be72cb5c KL |
955 | synchronized (fillEventQueue) { |
956 | // Pull any pending I/O events | |
957 | backend.getEvents(fillEventQueue); | |
8e688b92 | 958 | |
be72cb5c KL |
959 | // Dispatch each event to the appropriate handler, one at a |
960 | // time. | |
961 | for (;;) { | |
962 | TInputEvent event = null; | |
963 | if (fillEventQueue.size() == 0) { | |
964 | break; | |
965 | } | |
966 | event = fillEventQueue.remove(0); | |
967 | metaHandleEvent(event); | |
8e688b92 | 968 | } |
8e688b92 | 969 | } |
7b5261bc | 970 | |
92554d64 | 971 | // Wake a consumer thread if we have any pending events. |
ef368bd0 KL |
972 | if (drainEventQueue.size() > 0) { |
973 | wakeEventHandler(); | |
92554d64 KL |
974 | } |
975 | ||
92554d64 KL |
976 | } // while (!quit) |
977 | ||
978 | // Shutdown the event consumer threads | |
979 | if (secondaryEventHandler != null) { | |
980 | synchronized (secondaryEventHandler) { | |
981 | secondaryEventHandler.notify(); | |
982 | } | |
983 | } | |
984 | if (primaryEventHandler != null) { | |
985 | synchronized (primaryEventHandler) { | |
986 | primaryEventHandler.notify(); | |
987 | } | |
7b5261bc KL |
988 | } |
989 | ||
92554d64 | 990 | // Shutdown the user I/O thread(s) |
7b5261bc | 991 | backend.shutdown(); |
92554d64 KL |
992 | |
993 | // Close all the windows. This gives them an opportunity to release | |
994 | // resources. | |
995 | closeAllWindows(); | |
996 | ||
4328bb42 KL |
997 | } |
998 | ||
999 | /** | |
1000 | * Peek at certain application-level events, add to eventQueue, and wake | |
8e688b92 | 1001 | * up the consuming Thread. |
4328bb42 | 1002 | * |
8e688b92 | 1003 | * @param event the input event to consume |
4328bb42 | 1004 | */ |
8e688b92 | 1005 | private void metaHandleEvent(final TInputEvent event) { |
7b5261bc | 1006 | |
a83fea2b KL |
1007 | if (debugEvents) { |
1008 | System.err.printf(String.format("metaHandleEvents event: %s\n", | |
1009 | event)); System.err.flush(); | |
1010 | } | |
7b5261bc | 1011 | |
8e688b92 KL |
1012 | if (quit) { |
1013 | // Do no more processing if the application is already trying | |
1014 | // to exit. | |
1015 | return; | |
1016 | } | |
7b5261bc | 1017 | |
8e688b92 | 1018 | // Special application-wide events ------------------------------- |
7b5261bc | 1019 | |
8e688b92 KL |
1020 | // Abort everything |
1021 | if (event instanceof TCommandEvent) { | |
1022 | TCommandEvent command = (TCommandEvent) event; | |
1023 | if (command.getCmd().equals(cmAbort)) { | |
be72cb5c | 1024 | exit(); |
8e688b92 | 1025 | return; |
7b5261bc | 1026 | } |
8e688b92 | 1027 | } |
7b5261bc | 1028 | |
be72cb5c KL |
1029 | synchronized (drainEventQueue) { |
1030 | // Screen resize | |
1031 | if (event instanceof TResizeEvent) { | |
1032 | TResizeEvent resize = (TResizeEvent) event; | |
1033 | synchronized (getScreen()) { | |
1034 | getScreen().setDimensions(resize.getWidth(), | |
1035 | resize.getHeight()); | |
1036 | desktopBottom = getScreen().getHeight() - 1; | |
1037 | mouseX = 0; | |
1038 | mouseY = 0; | |
1039 | oldMouseX = 0; | |
1040 | oldMouseY = 0; | |
1041 | } | |
1042 | if (desktop != null) { | |
1043 | desktop.setDimensions(0, 0, resize.getWidth(), | |
1044 | resize.getHeight() - 1); | |
1045 | } | |
85c07c5e KL |
1046 | // We are dirty, redraw the screen. |
1047 | doRepaint(); | |
be72cb5c | 1048 | return; |
0ee88b6d | 1049 | } |
7b5261bc | 1050 | |
be72cb5c KL |
1051 | // Put into the main queue |
1052 | drainEventQueue.add(event); | |
1053 | } | |
4328bb42 KL |
1054 | } |
1055 | ||
a06459bd KL |
1056 | /** |
1057 | * Dispatch one event to the appropriate widget or application-level | |
fca67db0 KL |
1058 | * event handler. This is the primary event handler, it has the normal |
1059 | * application-wide event handling. | |
a06459bd KL |
1060 | * |
1061 | * @param event the input event to consume | |
fca67db0 | 1062 | * @see #secondaryHandleEvent(TInputEvent event) |
a06459bd | 1063 | */ |
fca67db0 KL |
1064 | private void primaryHandleEvent(final TInputEvent event) { |
1065 | ||
a83fea2b KL |
1066 | if (debugEvents) { |
1067 | System.err.printf("Handle event: %s\n", event); | |
1068 | } | |
fca67db0 KL |
1069 | |
1070 | // Special application-wide events ----------------------------------- | |
1071 | ||
1072 | // Peek at the mouse position | |
1073 | if (event instanceof TMouseEvent) { | |
e8a11f98 KL |
1074 | TMouseEvent mouse = (TMouseEvent) event; |
1075 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
1076 | oldMouseX = mouseX; | |
1077 | oldMouseY = mouseY; | |
1078 | mouseX = mouse.getX(); | |
1079 | mouseY = mouse.getY(); | |
1080 | } | |
1081 | ||
fca67db0 KL |
1082 | // See if we need to switch focus to another window or the menu |
1083 | checkSwitchFocus((TMouseEvent) event); | |
1084 | } | |
1085 | ||
1086 | // Handle menu events | |
1087 | if ((activeMenu != null) && !(event instanceof TCommandEvent)) { | |
1088 | TMenu menu = activeMenu; | |
1089 | ||
1090 | if (event instanceof TMouseEvent) { | |
1091 | TMouseEvent mouse = (TMouseEvent) event; | |
1092 | ||
1093 | while (subMenus.size() > 0) { | |
1094 | TMenu subMenu = subMenus.get(subMenus.size() - 1); | |
1095 | if (subMenu.mouseWouldHit(mouse)) { | |
1096 | break; | |
1097 | } | |
1098 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
7c870d89 KL |
1099 | && (!mouse.isMouse1()) |
1100 | && (!mouse.isMouse2()) | |
1101 | && (!mouse.isMouse3()) | |
1102 | && (!mouse.isMouseWheelUp()) | |
1103 | && (!mouse.isMouseWheelDown()) | |
fca67db0 KL |
1104 | ) { |
1105 | break; | |
1106 | } | |
1107 | // We navigated away from a sub-menu, so close it | |
1108 | closeSubMenu(); | |
1109 | } | |
1110 | ||
1111 | // Convert the mouse relative x/y to menu coordinates | |
1112 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
1113 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
1114 | if (subMenus.size() > 0) { | |
1115 | menu = subMenus.get(subMenus.size() - 1); | |
1116 | } | |
1117 | mouse.setX(mouse.getX() - menu.getX()); | |
1118 | mouse.setY(mouse.getY() - menu.getY()); | |
1119 | } | |
1120 | menu.handleEvent(event); | |
1121 | return; | |
1122 | } | |
a06459bd | 1123 | |
fca67db0 KL |
1124 | if (event instanceof TKeypressEvent) { |
1125 | TKeypressEvent keypress = (TKeypressEvent) event; | |
e826b451 | 1126 | |
5dfd1c11 KL |
1127 | // See if this key matches an accelerator, and is not being |
1128 | // shortcutted by the active window, and if so dispatch the menu | |
1129 | // event. | |
1130 | boolean windowWillShortcut = false; | |
92453213 KL |
1131 | if (activeWindow != null) { |
1132 | assert (activeWindow.isShown()); | |
1133 | if (activeWindow.isShortcutKeypress(keypress.getKey())) { | |
1134 | // We do not process this key, it will be passed to the | |
1135 | // window instead. | |
1136 | windowWillShortcut = true; | |
5dfd1c11 | 1137 | } |
e826b451 | 1138 | } |
5dfd1c11 | 1139 | |
2ce6dab2 | 1140 | if (!windowWillShortcut && !modalWindowActive()) { |
5dfd1c11 KL |
1141 | TKeypress keypressLowercase = keypress.getKey().toLowerCase(); |
1142 | TMenuItem item = null; | |
1143 | synchronized (accelerators) { | |
1144 | item = accelerators.get(keypressLowercase); | |
1145 | } | |
1146 | if (item != null) { | |
1147 | if (item.isEnabled()) { | |
1148 | // Let the menu item dispatch | |
1149 | item.dispatch(); | |
1150 | return; | |
1151 | } | |
fca67db0 | 1152 | } |
5dfd1c11 | 1153 | |
2ce6dab2 KL |
1154 | // Handle the keypress |
1155 | if (onKeypress(keypress)) { | |
1156 | return; | |
1157 | } | |
bd8d51fa | 1158 | } |
fca67db0 | 1159 | } |
a06459bd | 1160 | |
fca67db0 KL |
1161 | if (event instanceof TCommandEvent) { |
1162 | if (onCommand((TCommandEvent) event)) { | |
1163 | return; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | if (event instanceof TMenuEvent) { | |
1168 | if (onMenu((TMenuEvent) event)) { | |
1169 | return; | |
1170 | } | |
1171 | } | |
1172 | ||
1173 | // Dispatch events to the active window ------------------------------- | |
0ee88b6d | 1174 | boolean dispatchToDesktop = true; |
92453213 KL |
1175 | TWindow window = activeWindow; |
1176 | if (window != null) { | |
1177 | assert (window.isActive()); | |
1178 | assert (window.isShown()); | |
1179 | if (event instanceof TMouseEvent) { | |
1180 | TMouseEvent mouse = (TMouseEvent) event; | |
1181 | // Convert the mouse relative x/y to window coordinates | |
1182 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
1183 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
1184 | mouse.setX(mouse.getX() - window.getX()); | |
1185 | mouse.setY(mouse.getY() - window.getY()); | |
1186 | ||
1187 | if (window.mouseWouldHit(mouse)) { | |
0ee88b6d | 1188 | dispatchToDesktop = false; |
fca67db0 | 1189 | } |
92453213 KL |
1190 | } else if (event instanceof TKeypressEvent) { |
1191 | dispatchToDesktop = false; | |
1192 | } | |
0ee88b6d | 1193 | |
92453213 KL |
1194 | if (debugEvents) { |
1195 | System.err.printf("TApplication dispatch event: %s\n", | |
1196 | event); | |
fca67db0 | 1197 | } |
92453213 | 1198 | window.handleEvent(event); |
fca67db0 | 1199 | } |
0ee88b6d KL |
1200 | if (dispatchToDesktop) { |
1201 | // This event is fair game for the desktop to process. | |
1202 | if (desktop != null) { | |
1203 | desktop.handleEvent(event); | |
1204 | } | |
1205 | } | |
fca67db0 | 1206 | } |
0ee88b6d | 1207 | |
fca67db0 KL |
1208 | /** |
1209 | * Dispatch one event to the appropriate widget or application-level | |
1210 | * event handler. This is the secondary event handler used by certain | |
1211 | * special dialogs (currently TMessageBox and TFileOpenBox). | |
1212 | * | |
1213 | * @param event the input event to consume | |
1214 | * @see #primaryHandleEvent(TInputEvent event) | |
1215 | */ | |
1216 | private void secondaryHandleEvent(final TInputEvent event) { | |
e8a11f98 KL |
1217 | // Peek at the mouse position |
1218 | if (event instanceof TMouseEvent) { | |
1219 | TMouseEvent mouse = (TMouseEvent) event; | |
1220 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
1221 | oldMouseX = mouseX; | |
1222 | oldMouseY = mouseY; | |
1223 | mouseX = mouse.getX(); | |
1224 | mouseY = mouse.getY(); | |
1225 | } | |
1226 | } | |
1227 | ||
c6940ed9 KL |
1228 | secondaryEventReceiver.handleEvent(event); |
1229 | } | |
1230 | ||
1231 | /** | |
1232 | * Enable a widget to override the primary event thread. | |
1233 | * | |
1234 | * @param widget widget that will receive events | |
1235 | */ | |
1236 | public final void enableSecondaryEventReceiver(final TWidget widget) { | |
be72cb5c KL |
1237 | if (debugThreads) { |
1238 | System.err.println(System.currentTimeMillis() + | |
1239 | " enableSecondaryEventReceiver()"); | |
1240 | } | |
1241 | ||
c6940ed9 KL |
1242 | assert (secondaryEventReceiver == null); |
1243 | assert (secondaryEventHandler == null); | |
a043164f KL |
1244 | assert ((widget instanceof TMessageBox) |
1245 | || (widget instanceof TFileOpenBox)); | |
c6940ed9 KL |
1246 | secondaryEventReceiver = widget; |
1247 | secondaryEventHandler = new WidgetEventHandler(this, false); | |
be72cb5c | 1248 | |
c6940ed9 | 1249 | (new Thread(secondaryEventHandler)).start(); |
c6940ed9 KL |
1250 | } |
1251 | ||
1252 | /** | |
1253 | * Yield to the secondary thread. | |
1254 | */ | |
1255 | public final void yield() { | |
1256 | assert (secondaryEventReceiver != null); | |
99144c71 | 1257 | |
c6940ed9 | 1258 | while (secondaryEventReceiver != null) { |
92554d64 | 1259 | synchronized (primaryEventHandler) { |
c6940ed9 | 1260 | try { |
92554d64 | 1261 | primaryEventHandler.wait(); |
c6940ed9 KL |
1262 | } catch (InterruptedException e) { |
1263 | // SQUASH | |
1264 | } | |
1265 | } | |
1266 | } | |
a06459bd KL |
1267 | } |
1268 | ||
4328bb42 KL |
1269 | /** |
1270 | * Do stuff when there is no user input. | |
1271 | */ | |
1272 | private void doIdle() { | |
99144c71 | 1273 | if (debugThreads) { |
be72cb5c KL |
1274 | System.err.printf(System.currentTimeMillis() + " " + |
1275 | Thread.currentThread() + " doIdle()\n"); | |
99144c71 KL |
1276 | } |
1277 | ||
be72cb5c KL |
1278 | synchronized (timers) { |
1279 | ||
1280 | if (debugThreads) { | |
1281 | System.err.printf(System.currentTimeMillis() + " " + | |
1282 | Thread.currentThread() + " doIdle() 2\n"); | |
1283 | } | |
1284 | ||
1285 | // Run any timers that have timed out | |
1286 | Date now = new Date(); | |
1287 | List<TTimer> keepTimers = new LinkedList<TTimer>(); | |
1288 | for (TTimer timer: timers) { | |
1289 | if (timer.getNextTick().getTime() <= now.getTime()) { | |
1290 | // Something might change, so repaint the screen. | |
1291 | repaint = true; | |
1292 | timer.tick(); | |
1293 | if (timer.recurring) { | |
1294 | keepTimers.add(timer); | |
1295 | } | |
1296 | } else { | |
d502a0e9 | 1297 | keepTimers.add(timer); |
7b5261bc | 1298 | } |
7b5261bc | 1299 | } |
be72cb5c | 1300 | timers = keepTimers; |
7b5261bc | 1301 | } |
7b5261bc KL |
1302 | |
1303 | // Call onIdle's | |
d502a0e9 KL |
1304 | for (TWindow window: windows) { |
1305 | window.onIdle(); | |
7b5261bc | 1306 | } |
92453213 KL |
1307 | if (desktop != null) { |
1308 | desktop.onIdle(); | |
1309 | } | |
4328bb42 | 1310 | } |
7d4115a5 | 1311 | |
2ce6dab2 KL |
1312 | // ------------------------------------------------------------------------ |
1313 | // TWindow management ----------------------------------------------------- | |
1314 | // ------------------------------------------------------------------------ | |
4328bb42 | 1315 | |
92453213 KL |
1316 | /** |
1317 | * Return the total number of windows. | |
1318 | * | |
1319 | * @return the total number of windows | |
1320 | */ | |
1321 | public final int windowCount() { | |
1322 | return windows.size(); | |
1323 | } | |
1324 | ||
1325 | /** | |
8c236a98 | 1326 | * Return the number of windows that are showing. |
92453213 | 1327 | * |
8c236a98 | 1328 | * @return the number of windows that are showing on screen |
92453213 KL |
1329 | */ |
1330 | public final int shownWindowCount() { | |
1331 | int n = 0; | |
1332 | for (TWindow w: windows) { | |
1333 | if (w.isShown()) { | |
1334 | n++; | |
1335 | } | |
1336 | } | |
1337 | return n; | |
1338 | } | |
1339 | ||
8c236a98 KL |
1340 | /** |
1341 | * Return the number of windows that are hidden. | |
1342 | * | |
1343 | * @return the number of windows that are hidden | |
1344 | */ | |
1345 | public final int hiddenWindowCount() { | |
1346 | int n = 0; | |
1347 | for (TWindow w: windows) { | |
1348 | if (w.isHidden()) { | |
1349 | n++; | |
1350 | } | |
1351 | } | |
1352 | return n; | |
1353 | } | |
1354 | ||
92453213 KL |
1355 | /** |
1356 | * Check if a window instance is in this application's window list. | |
1357 | * | |
1358 | * @param window window to look for | |
1359 | * @return true if this window is in the list | |
1360 | */ | |
1361 | public final boolean hasWindow(final TWindow window) { | |
1362 | if (windows.size() == 0) { | |
1363 | return false; | |
1364 | } | |
1365 | for (TWindow w: windows) { | |
1366 | if (w == window) { | |
8c236a98 | 1367 | assert (window.getApplication() == this); |
92453213 KL |
1368 | return true; |
1369 | } | |
1370 | } | |
1371 | return false; | |
1372 | } | |
1373 | ||
1374 | /** | |
1375 | * Activate a window: bring it to the top and have it receive events. | |
1376 | * | |
1377 | * @param window the window to become the new active window | |
1378 | */ | |
1379 | public void activateWindow(final TWindow window) { | |
1380 | if (hasWindow(window) == false) { | |
1381 | /* | |
1382 | * Someone has a handle to a window I don't have. Ignore this | |
1383 | * request. | |
1384 | */ | |
1385 | return; | |
1386 | } | |
1387 | ||
fe0770f9 KL |
1388 | // Whatever window might be moving/dragging, stop it now. |
1389 | for (TWindow w: windows) { | |
1390 | if (w.inMovements()) { | |
1391 | w.stopMovements(); | |
1392 | } | |
1393 | } | |
1394 | ||
92453213 KL |
1395 | assert (windows.size() > 0); |
1396 | ||
1397 | if (window.isHidden()) { | |
1398 | // Unhiding will also activate. | |
1399 | showWindow(window); | |
1400 | return; | |
1401 | } | |
1402 | assert (window.isShown()); | |
1403 | ||
1404 | if (windows.size() == 1) { | |
1405 | assert (window == windows.get(0)); | |
1406 | if (activeWindow == null) { | |
1407 | activeWindow = window; | |
1408 | window.setZ(0); | |
1409 | activeWindow.setActive(true); | |
1410 | activeWindow.onFocus(); | |
1411 | } | |
1412 | ||
1413 | assert (window.isActive()); | |
1414 | assert (activeWindow == window); | |
1415 | return; | |
1416 | } | |
1417 | ||
1418 | if (activeWindow == window) { | |
1419 | assert (window.isActive()); | |
1420 | ||
1421 | // Window is already active, do nothing. | |
1422 | return; | |
1423 | } | |
1424 | ||
1425 | assert (!window.isActive()); | |
1426 | if (activeWindow != null) { | |
1427 | assert (activeWindow.getZ() == 0); | |
1428 | ||
1429 | activeWindow.onUnfocus(); | |
1430 | activeWindow.setActive(false); | |
1431 | activeWindow.setZ(window.getZ()); | |
1432 | } | |
1433 | activeWindow = window; | |
1434 | activeWindow.setZ(0); | |
1435 | activeWindow.setActive(true); | |
1436 | activeWindow.onFocus(); | |
1437 | return; | |
1438 | } | |
1439 | ||
1440 | /** | |
1441 | * Hide a window. | |
1442 | * | |
1443 | * @param window the window to hide | |
1444 | */ | |
1445 | public void hideWindow(final TWindow window) { | |
1446 | if (hasWindow(window) == false) { | |
1447 | /* | |
1448 | * Someone has a handle to a window I don't have. Ignore this | |
1449 | * request. | |
1450 | */ | |
1451 | return; | |
1452 | } | |
1453 | ||
fe0770f9 KL |
1454 | // Whatever window might be moving/dragging, stop it now. |
1455 | for (TWindow w: windows) { | |
1456 | if (w.inMovements()) { | |
1457 | w.stopMovements(); | |
1458 | } | |
1459 | } | |
1460 | ||
92453213 KL |
1461 | assert (windows.size() > 0); |
1462 | ||
1463 | if (!window.hidden) { | |
1464 | if (window == activeWindow) { | |
1465 | if (shownWindowCount() > 1) { | |
1466 | switchWindow(true); | |
1467 | } else { | |
1468 | activeWindow = null; | |
1469 | window.setActive(false); | |
1470 | window.onUnfocus(); | |
1471 | } | |
1472 | } | |
1473 | window.hidden = true; | |
1474 | window.onHide(); | |
1475 | } | |
1476 | } | |
1477 | ||
1478 | /** | |
1479 | * Show a window. | |
1480 | * | |
1481 | * @param window the window to show | |
1482 | */ | |
1483 | public void showWindow(final TWindow window) { | |
1484 | if (hasWindow(window) == false) { | |
1485 | /* | |
1486 | * Someone has a handle to a window I don't have. Ignore this | |
1487 | * request. | |
1488 | */ | |
1489 | return; | |
1490 | } | |
1491 | ||
fe0770f9 KL |
1492 | // Whatever window might be moving/dragging, stop it now. |
1493 | for (TWindow w: windows) { | |
1494 | if (w.inMovements()) { | |
1495 | w.stopMovements(); | |
1496 | } | |
1497 | } | |
1498 | ||
92453213 KL |
1499 | assert (windows.size() > 0); |
1500 | ||
1501 | if (window.hidden) { | |
1502 | window.hidden = false; | |
1503 | window.onShow(); | |
1504 | activateWindow(window); | |
1505 | } | |
1506 | } | |
1507 | ||
48e27807 KL |
1508 | /** |
1509 | * Close window. Note that the window's destructor is NOT called by this | |
1510 | * method, instead the GC is assumed to do the cleanup. | |
1511 | * | |
1512 | * @param window the window to remove | |
1513 | */ | |
1514 | public final void closeWindow(final TWindow window) { | |
92453213 KL |
1515 | if (hasWindow(window) == false) { |
1516 | /* | |
1517 | * Someone has a handle to a window I don't have. Ignore this | |
1518 | * request. | |
1519 | */ | |
1520 | return; | |
1521 | } | |
1522 | ||
bb35d919 | 1523 | synchronized (windows) { |
fe0770f9 KL |
1524 | // Whatever window might be moving/dragging, stop it now. |
1525 | for (TWindow w: windows) { | |
1526 | if (w.inMovements()) { | |
1527 | w.stopMovements(); | |
1528 | } | |
1529 | } | |
1530 | ||
bb35d919 KL |
1531 | int z = window.getZ(); |
1532 | window.setZ(-1); | |
efb7af1f | 1533 | window.onUnfocus(); |
bb35d919 KL |
1534 | Collections.sort(windows); |
1535 | windows.remove(0); | |
92453213 | 1536 | activeWindow = null; |
bb35d919 KL |
1537 | for (TWindow w: windows) { |
1538 | if (w.getZ() > z) { | |
1539 | w.setZ(w.getZ() - 1); | |
1540 | if (w.getZ() == 0) { | |
1541 | w.setActive(true); | |
efb7af1f | 1542 | w.onFocus(); |
bb35d919 KL |
1543 | assert (activeWindow == null); |
1544 | activeWindow = w; | |
1545 | } else { | |
efb7af1f KL |
1546 | if (w.isActive()) { |
1547 | w.setActive(false); | |
1548 | w.onUnfocus(); | |
1549 | } | |
bb35d919 | 1550 | } |
48e27807 KL |
1551 | } |
1552 | } | |
1553 | } | |
1554 | ||
1555 | // Perform window cleanup | |
1556 | window.onClose(); | |
1557 | ||
48e27807 | 1558 | // Check if we are closing a TMessageBox or similar |
c6940ed9 KL |
1559 | if (secondaryEventReceiver != null) { |
1560 | assert (secondaryEventHandler != null); | |
48e27807 KL |
1561 | |
1562 | // Do not send events to the secondaryEventReceiver anymore, the | |
1563 | // window is closed. | |
1564 | secondaryEventReceiver = null; | |
1565 | ||
92554d64 KL |
1566 | // Wake the secondary thread, it will wake the primary as it |
1567 | // exits. | |
1568 | synchronized (secondaryEventHandler) { | |
1569 | secondaryEventHandler.notify(); | |
48e27807 KL |
1570 | } |
1571 | } | |
92453213 KL |
1572 | |
1573 | // Permit desktop to be active if it is the only thing left. | |
1574 | if (desktop != null) { | |
1575 | if (windows.size() == 0) { | |
1576 | desktop.setActive(true); | |
1577 | } | |
1578 | } | |
48e27807 KL |
1579 | } |
1580 | ||
1581 | /** | |
1582 | * Switch to the next window. | |
1583 | * | |
1584 | * @param forward if true, then switch to the next window in the list, | |
1585 | * otherwise switch to the previous window in the list | |
1586 | */ | |
1587 | public final void switchWindow(final boolean forward) { | |
8c236a98 KL |
1588 | // Only switch if there are multiple visible windows |
1589 | if (shownWindowCount() < 2) { | |
48e27807 KL |
1590 | return; |
1591 | } | |
92453213 | 1592 | assert (activeWindow != null); |
48e27807 | 1593 | |
bb35d919 | 1594 | synchronized (windows) { |
fe0770f9 KL |
1595 | // Whatever window might be moving/dragging, stop it now. |
1596 | for (TWindow w: windows) { | |
1597 | if (w.inMovements()) { | |
1598 | w.stopMovements(); | |
1599 | } | |
1600 | } | |
bb35d919 KL |
1601 | |
1602 | // Swap z/active between active window and the next in the list | |
1603 | int activeWindowI = -1; | |
1604 | for (int i = 0; i < windows.size(); i++) { | |
92453213 KL |
1605 | if (windows.get(i) == activeWindow) { |
1606 | assert (activeWindow.isActive()); | |
bb35d919 KL |
1607 | activeWindowI = i; |
1608 | break; | |
92453213 KL |
1609 | } else { |
1610 | assert (!windows.get(0).isActive()); | |
bb35d919 | 1611 | } |
48e27807 | 1612 | } |
bb35d919 | 1613 | assert (activeWindowI >= 0); |
48e27807 | 1614 | |
bb35d919 | 1615 | // Do not switch if a window is modal |
92453213 | 1616 | if (activeWindow.isModal()) { |
bb35d919 KL |
1617 | return; |
1618 | } | |
48e27807 | 1619 | |
8c236a98 KL |
1620 | int nextWindowI = activeWindowI; |
1621 | for (;;) { | |
1622 | if (forward) { | |
1623 | nextWindowI++; | |
1624 | nextWindowI %= windows.size(); | |
bb35d919 | 1625 | } else { |
8c236a98 KL |
1626 | nextWindowI--; |
1627 | if (nextWindowI < 0) { | |
1628 | nextWindowI = windows.size() - 1; | |
1629 | } | |
bb35d919 | 1630 | } |
bb35d919 | 1631 | |
8c236a98 KL |
1632 | if (windows.get(nextWindowI).isShown()) { |
1633 | activateWindow(windows.get(nextWindowI)); | |
1634 | break; | |
1635 | } | |
1636 | } | |
bb35d919 | 1637 | } // synchronized (windows) |
48e27807 | 1638 | |
48e27807 KL |
1639 | } |
1640 | ||
1641 | /** | |
1642 | * Add a window to my window list and make it active. | |
1643 | * | |
1644 | * @param window new window to add | |
1645 | */ | |
1646 | public final void addWindow(final TWindow window) { | |
a7986f7b KL |
1647 | |
1648 | // Do not add menu windows to the window list. | |
1649 | if (window instanceof TMenu) { | |
1650 | return; | |
1651 | } | |
1652 | ||
0ee88b6d KL |
1653 | // Do not add the desktop to the window list. |
1654 | if (window instanceof TDesktop) { | |
1655 | return; | |
1656 | } | |
1657 | ||
bb35d919 | 1658 | synchronized (windows) { |
fe0770f9 KL |
1659 | // Whatever window might be moving/dragging, stop it now. |
1660 | for (TWindow w: windows) { | |
1661 | if (w.inMovements()) { | |
1662 | w.stopMovements(); | |
1663 | } | |
1664 | } | |
1665 | ||
2ce6dab2 KL |
1666 | // Do not allow a modal window to spawn a non-modal window. If a |
1667 | // modal window is active, then this window will become modal | |
1668 | // too. | |
1669 | if (modalWindowActive()) { | |
1670 | window.flags |= TWindow.MODAL; | |
a7986f7b | 1671 | window.flags |= TWindow.CENTERED; |
92453213 | 1672 | window.hidden = false; |
bb35d919 | 1673 | } |
92453213 KL |
1674 | if (window.isShown()) { |
1675 | for (TWindow w: windows) { | |
1676 | if (w.isActive()) { | |
1677 | w.setActive(false); | |
1678 | w.onUnfocus(); | |
1679 | } | |
1680 | w.setZ(w.getZ() + 1); | |
efb7af1f | 1681 | } |
bb35d919 KL |
1682 | } |
1683 | windows.add(window); | |
92453213 KL |
1684 | if (window.isShown()) { |
1685 | activeWindow = window; | |
1686 | activeWindow.setZ(0); | |
1687 | activeWindow.setActive(true); | |
1688 | activeWindow.onFocus(); | |
1689 | } | |
a7986f7b KL |
1690 | |
1691 | if (((window.flags & TWindow.CENTERED) == 0) | |
1692 | && smartWindowPlacement) { | |
1693 | ||
1694 | doSmartPlacement(window); | |
1695 | } | |
48e27807 | 1696 | } |
92453213 KL |
1697 | |
1698 | // Desktop cannot be active over any other window. | |
1699 | if (desktop != null) { | |
1700 | desktop.setActive(false); | |
1701 | } | |
48e27807 KL |
1702 | } |
1703 | ||
fca67db0 KL |
1704 | /** |
1705 | * Check if there is a system-modal window on top. | |
1706 | * | |
1707 | * @return true if the active window is modal | |
1708 | */ | |
1709 | private boolean modalWindowActive() { | |
1710 | if (windows.size() == 0) { | |
1711 | return false; | |
1712 | } | |
2ce6dab2 KL |
1713 | |
1714 | for (TWindow w: windows) { | |
1715 | if (w.isModal()) { | |
1716 | return true; | |
1717 | } | |
1718 | } | |
1719 | ||
1720 | return false; | |
1721 | } | |
1722 | ||
1723 | /** | |
1724 | * Close all open windows. | |
1725 | */ | |
1726 | private void closeAllWindows() { | |
1727 | // Don't do anything if we are in the menu | |
1728 | if (activeMenu != null) { | |
1729 | return; | |
1730 | } | |
1731 | while (windows.size() > 0) { | |
1732 | closeWindow(windows.get(0)); | |
1733 | } | |
fca67db0 KL |
1734 | } |
1735 | ||
2ce6dab2 KL |
1736 | /** |
1737 | * Re-layout the open windows as non-overlapping tiles. This produces | |
1738 | * almost the same results as Turbo Pascal 7.0's IDE. | |
1739 | */ | |
1740 | private void tileWindows() { | |
1741 | synchronized (windows) { | |
1742 | // Don't do anything if we are in the menu | |
1743 | if (activeMenu != null) { | |
1744 | return; | |
1745 | } | |
1746 | int z = windows.size(); | |
1747 | if (z == 0) { | |
1748 | return; | |
1749 | } | |
1750 | int a = 0; | |
1751 | int b = 0; | |
1752 | a = (int)(Math.sqrt(z)); | |
1753 | int c = 0; | |
1754 | while (c < a) { | |
1755 | b = (z - c) / a; | |
1756 | if (((a * b) + c) == z) { | |
1757 | break; | |
1758 | } | |
1759 | c++; | |
1760 | } | |
1761 | assert (a > 0); | |
1762 | assert (b > 0); | |
1763 | assert (c < a); | |
1764 | int newWidth = (getScreen().getWidth() / a); | |
1765 | int newHeight1 = ((getScreen().getHeight() - 1) / b); | |
1766 | int newHeight2 = ((getScreen().getHeight() - 1) / (b + c)); | |
1767 | ||
1768 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1769 | Collections.sort(sorted); | |
1770 | Collections.reverse(sorted); | |
1771 | for (int i = 0; i < sorted.size(); i++) { | |
1772 | int logicalX = i / b; | |
1773 | int logicalY = i % b; | |
1774 | if (i >= ((a - 1) * b)) { | |
1775 | logicalX = a - 1; | |
1776 | logicalY = i - ((a - 1) * b); | |
1777 | } | |
1778 | ||
1779 | TWindow w = sorted.get(i); | |
1780 | w.setX(logicalX * newWidth); | |
1781 | w.setWidth(newWidth); | |
1782 | if (i >= ((a - 1) * b)) { | |
1783 | w.setY((logicalY * newHeight2) + 1); | |
1784 | w.setHeight(newHeight2); | |
1785 | } else { | |
1786 | w.setY((logicalY * newHeight1) + 1); | |
1787 | w.setHeight(newHeight1); | |
1788 | } | |
1789 | } | |
1790 | } | |
1791 | } | |
1792 | ||
1793 | /** | |
1794 | * Re-layout the open windows as overlapping cascaded windows. | |
1795 | */ | |
1796 | private void cascadeWindows() { | |
1797 | synchronized (windows) { | |
1798 | // Don't do anything if we are in the menu | |
1799 | if (activeMenu != null) { | |
1800 | return; | |
1801 | } | |
1802 | int x = 0; | |
1803 | int y = 1; | |
1804 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1805 | Collections.sort(sorted); | |
1806 | Collections.reverse(sorted); | |
1807 | for (TWindow window: sorted) { | |
1808 | window.setX(x); | |
1809 | window.setY(y); | |
1810 | x++; | |
1811 | y++; | |
1812 | if (x > getScreen().getWidth()) { | |
1813 | x = 0; | |
1814 | } | |
1815 | if (y >= getScreen().getHeight()) { | |
1816 | y = 1; | |
1817 | } | |
1818 | } | |
1819 | } | |
1820 | } | |
1821 | ||
a7986f7b KL |
1822 | /** |
1823 | * Place a window to minimize its overlap with other windows. | |
1824 | * | |
1825 | * @param window the window to place | |
1826 | */ | |
1827 | public final void doSmartPlacement(final TWindow window) { | |
1828 | // This is a pretty dumb algorithm, but seems to work. The hardest | |
1829 | // part is computing these "overlap" values seeking a minimum average | |
1830 | // overlap. | |
1831 | int xMin = 0; | |
1832 | int yMin = desktopTop; | |
1833 | int xMax = getScreen().getWidth() - window.getWidth() + 1; | |
1834 | int yMax = desktopBottom - window.getHeight() + 1; | |
1835 | if (xMax < xMin) { | |
1836 | xMax = xMin; | |
1837 | } | |
1838 | if (yMax < yMin) { | |
1839 | yMax = yMin; | |
1840 | } | |
1841 | ||
1842 | if ((xMin == xMax) && (yMin == yMax)) { | |
1843 | // No work to do, bail out. | |
1844 | return; | |
1845 | } | |
1846 | ||
1847 | // Compute the overlap matrix without the new window. | |
1848 | int width = getScreen().getWidth(); | |
1849 | int height = getScreen().getHeight(); | |
1850 | int overlapMatrix[][] = new int[width][height]; | |
1851 | for (TWindow w: windows) { | |
1852 | if (window == w) { | |
1853 | continue; | |
1854 | } | |
1855 | for (int x = w.getX(); x < w.getX() + w.getWidth(); x++) { | |
8c236a98 | 1856 | if (x >= width) { |
a7986f7b KL |
1857 | continue; |
1858 | } | |
1859 | for (int y = w.getY(); y < w.getY() + w.getHeight(); y++) { | |
8c236a98 | 1860 | if (y >= height) { |
a7986f7b KL |
1861 | continue; |
1862 | } | |
1863 | overlapMatrix[x][y]++; | |
1864 | } | |
1865 | } | |
1866 | } | |
1867 | ||
1868 | long oldOverlapTotal = 0; | |
1869 | long oldOverlapN = 0; | |
1870 | for (int x = 0; x < width; x++) { | |
1871 | for (int y = 0; y < height; y++) { | |
1872 | oldOverlapTotal += overlapMatrix[x][y]; | |
1873 | if (overlapMatrix[x][y] > 0) { | |
1874 | oldOverlapN++; | |
1875 | } | |
1876 | } | |
1877 | } | |
1878 | ||
1879 | ||
1880 | double oldOverlapAvg = (double) oldOverlapTotal / (double) oldOverlapN; | |
1881 | boolean first = true; | |
1882 | int windowX = window.getX(); | |
1883 | int windowY = window.getY(); | |
1884 | ||
1885 | // For each possible (x, y) position for the new window, compute a | |
1886 | // new overlap matrix. | |
1887 | for (int x = xMin; x < xMax; x++) { | |
1888 | for (int y = yMin; y < yMax; y++) { | |
1889 | ||
1890 | // Start with the matrix minus this window. | |
1891 | int newMatrix[][] = new int[width][height]; | |
1892 | for (int mx = 0; mx < width; mx++) { | |
1893 | for (int my = 0; my < height; my++) { | |
1894 | newMatrix[mx][my] = overlapMatrix[mx][my]; | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | // Add this window's values to the new overlap matrix. | |
1899 | long newOverlapTotal = 0; | |
1900 | long newOverlapN = 0; | |
1901 | // Start by adding each new cell. | |
1902 | for (int wx = x; wx < x + window.getWidth(); wx++) { | |
8c236a98 | 1903 | if (wx >= width) { |
a7986f7b KL |
1904 | continue; |
1905 | } | |
1906 | for (int wy = y; wy < y + window.getHeight(); wy++) { | |
8c236a98 | 1907 | if (wy >= height) { |
a7986f7b KL |
1908 | continue; |
1909 | } | |
1910 | newMatrix[wx][wy]++; | |
1911 | } | |
1912 | } | |
1913 | // Now figure out the new value for total coverage. | |
1914 | for (int mx = 0; mx < width; mx++) { | |
1915 | for (int my = 0; my < height; my++) { | |
1916 | newOverlapTotal += newMatrix[x][y]; | |
1917 | if (newMatrix[mx][my] > 0) { | |
1918 | newOverlapN++; | |
1919 | } | |
1920 | } | |
1921 | } | |
1922 | double newOverlapAvg = (double) newOverlapTotal / (double) newOverlapN; | |
1923 | ||
1924 | if (first) { | |
1925 | // First time: just record what we got. | |
1926 | oldOverlapAvg = newOverlapAvg; | |
1927 | first = false; | |
1928 | } else { | |
1929 | // All other times: pick a new best (x, y) and save the | |
1930 | // overlap value. | |
1931 | if (newOverlapAvg < oldOverlapAvg) { | |
1932 | windowX = x; | |
1933 | windowY = y; | |
1934 | oldOverlapAvg = newOverlapAvg; | |
1935 | } | |
1936 | } | |
1937 | ||
1938 | } // for (int x = xMin; x < xMax; x++) | |
1939 | ||
1940 | } // for (int y = yMin; y < yMax; y++) | |
1941 | ||
1942 | // Finally, set the window's new coordinates. | |
1943 | window.setX(windowX); | |
1944 | window.setY(windowY); | |
1945 | } | |
1946 | ||
2ce6dab2 KL |
1947 | // ------------------------------------------------------------------------ |
1948 | // TMenu management ------------------------------------------------------- | |
1949 | // ------------------------------------------------------------------------ | |
1950 | ||
fca67db0 KL |
1951 | /** |
1952 | * Check if a mouse event would hit either the active menu or any open | |
1953 | * sub-menus. | |
1954 | * | |
1955 | * @param mouse mouse event | |
1956 | * @return true if the mouse would hit the active menu or an open | |
1957 | * sub-menu | |
1958 | */ | |
1959 | private boolean mouseOnMenu(final TMouseEvent mouse) { | |
1960 | assert (activeMenu != null); | |
1961 | List<TMenu> menus = new LinkedList<TMenu>(subMenus); | |
1962 | Collections.reverse(menus); | |
1963 | for (TMenu menu: menus) { | |
1964 | if (menu.mouseWouldHit(mouse)) { | |
1965 | return true; | |
1966 | } | |
1967 | } | |
1968 | return activeMenu.mouseWouldHit(mouse); | |
1969 | } | |
1970 | ||
1971 | /** | |
1972 | * See if we need to switch window or activate the menu based on | |
1973 | * a mouse click. | |
1974 | * | |
1975 | * @param mouse mouse event | |
1976 | */ | |
1977 | private void checkSwitchFocus(final TMouseEvent mouse) { | |
1978 | ||
1979 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
1980 | && (activeMenu != null) | |
1981 | && (mouse.getAbsoluteY() != 0) | |
1982 | && (!mouseOnMenu(mouse)) | |
1983 | ) { | |
1984 | // They clicked outside the active menu, turn it off | |
1985 | activeMenu.setActive(false); | |
1986 | activeMenu = null; | |
1987 | for (TMenu menu: subMenus) { | |
1988 | menu.setActive(false); | |
1989 | } | |
1990 | subMenus.clear(); | |
1991 | // Continue checks | |
1992 | } | |
1993 | ||
1994 | // See if they hit the menu bar | |
1995 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
7c870d89 | 1996 | && (mouse.isMouse1()) |
fca67db0 KL |
1997 | && (!modalWindowActive()) |
1998 | && (mouse.getAbsoluteY() == 0) | |
1999 | ) { | |
2000 | ||
2001 | for (TMenu menu: subMenus) { | |
2002 | menu.setActive(false); | |
2003 | } | |
2004 | subMenus.clear(); | |
2005 | ||
2006 | // They selected the menu, go activate it | |
2007 | for (TMenu menu: menus) { | |
2008 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
2009 | && (mouse.getAbsoluteX() < menu.getX() | |
2010 | + menu.getTitle().length() + 2) | |
2011 | ) { | |
2012 | menu.setActive(true); | |
2013 | activeMenu = menu; | |
2014 | } else { | |
2015 | menu.setActive(false); | |
2016 | } | |
2017 | } | |
fca67db0 KL |
2018 | return; |
2019 | } | |
2020 | ||
2021 | // See if they hit the menu bar | |
2022 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
7c870d89 | 2023 | && (mouse.isMouse1()) |
fca67db0 KL |
2024 | && (activeMenu != null) |
2025 | && (mouse.getAbsoluteY() == 0) | |
2026 | ) { | |
2027 | ||
2028 | TMenu oldMenu = activeMenu; | |
2029 | for (TMenu menu: subMenus) { | |
2030 | menu.setActive(false); | |
2031 | } | |
2032 | subMenus.clear(); | |
2033 | ||
2034 | // See if we should switch menus | |
2035 | for (TMenu menu: menus) { | |
2036 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
2037 | && (mouse.getAbsoluteX() < menu.getX() | |
2038 | + menu.getTitle().length() + 2) | |
2039 | ) { | |
2040 | menu.setActive(true); | |
2041 | activeMenu = menu; | |
2042 | } | |
2043 | } | |
2044 | if (oldMenu != activeMenu) { | |
2045 | // They switched menus | |
2046 | oldMenu.setActive(false); | |
2047 | } | |
fca67db0 KL |
2048 | return; |
2049 | } | |
2050 | ||
72fca17b KL |
2051 | // If a menu is still active, don't switch windows |
2052 | if (activeMenu != null) { | |
fca67db0 KL |
2053 | return; |
2054 | } | |
2055 | ||
72fca17b KL |
2056 | // Only switch if there are multiple windows |
2057 | if (windows.size() < 2) { | |
fca67db0 KL |
2058 | return; |
2059 | } | |
2060 | ||
72fca17b KL |
2061 | if (((focusFollowsMouse == true) |
2062 | && (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION)) | |
2063 | || (mouse.getType() == TMouseEvent.Type.MOUSE_UP) | |
2064 | ) { | |
2065 | synchronized (windows) { | |
2066 | Collections.sort(windows); | |
2067 | if (windows.get(0).isModal()) { | |
2068 | // Modal windows don't switch | |
2069 | return; | |
2070 | } | |
fca67db0 | 2071 | |
72fca17b KL |
2072 | for (TWindow window: windows) { |
2073 | assert (!window.isModal()); | |
92453213 | 2074 | |
72fca17b KL |
2075 | if (window.isHidden()) { |
2076 | assert (!window.isActive()); | |
2077 | continue; | |
2078 | } | |
92453213 | 2079 | |
72fca17b KL |
2080 | if (window.mouseWouldHit(mouse)) { |
2081 | if (window == windows.get(0)) { | |
2082 | // Clicked on the same window, nothing to do | |
2083 | assert (window.isActive()); | |
2084 | return; | |
2085 | } | |
2086 | ||
2087 | // We will be switching to another window | |
2088 | assert (windows.get(0).isActive()); | |
2089 | assert (windows.get(0) == activeWindow); | |
2090 | assert (!window.isActive()); | |
2091 | activeWindow.onUnfocus(); | |
2092 | activeWindow.setActive(false); | |
2093 | activeWindow.setZ(window.getZ()); | |
2094 | activeWindow = window; | |
2095 | window.setZ(0); | |
2096 | window.setActive(true); | |
2097 | window.onFocus(); | |
bb35d919 KL |
2098 | return; |
2099 | } | |
fca67db0 | 2100 | } |
fca67db0 | 2101 | } |
72fca17b KL |
2102 | |
2103 | // Clicked on the background, nothing to do | |
2104 | return; | |
fca67db0 KL |
2105 | } |
2106 | ||
72fca17b KL |
2107 | // Nothing to do: this isn't a mouse up, or focus isn't following |
2108 | // mouse. | |
fca67db0 KL |
2109 | return; |
2110 | } | |
2111 | ||
2112 | /** | |
2113 | * Turn off the menu. | |
2114 | */ | |
928811d8 | 2115 | public final void closeMenu() { |
fca67db0 KL |
2116 | if (activeMenu != null) { |
2117 | activeMenu.setActive(false); | |
2118 | activeMenu = null; | |
2119 | for (TMenu menu: subMenus) { | |
2120 | menu.setActive(false); | |
2121 | } | |
2122 | subMenus.clear(); | |
2123 | } | |
fca67db0 KL |
2124 | } |
2125 | ||
e8a11f98 KL |
2126 | /** |
2127 | * Get a (shallow) copy of the menu list. | |
2128 | * | |
2129 | * @return a copy of the menu list | |
2130 | */ | |
2131 | public final List<TMenu> getAllMenus() { | |
2132 | return new LinkedList<TMenu>(menus); | |
2133 | } | |
2134 | ||
2135 | /** | |
2136 | * Add a top-level menu to the list. | |
2137 | * | |
2138 | * @param menu the menu to add | |
2139 | * @throws IllegalArgumentException if the menu is already used in | |
2140 | * another TApplication | |
2141 | */ | |
2142 | public final void addMenu(final TMenu menu) { | |
2143 | if ((menu.getApplication() != null) | |
2144 | && (menu.getApplication() != this) | |
2145 | ) { | |
2146 | throw new IllegalArgumentException("Menu " + menu + " is already " + | |
2147 | "part of application " + menu.getApplication()); | |
2148 | } | |
2149 | closeMenu(); | |
2150 | menus.add(menu); | |
2151 | recomputeMenuX(); | |
2152 | } | |
2153 | ||
2154 | /** | |
2155 | * Remove a top-level menu from the list. | |
2156 | * | |
2157 | * @param menu the menu to remove | |
2158 | * @throws IllegalArgumentException if the menu is already used in | |
2159 | * another TApplication | |
2160 | */ | |
2161 | public final void removeMenu(final TMenu menu) { | |
2162 | if ((menu.getApplication() != null) | |
2163 | && (menu.getApplication() != this) | |
2164 | ) { | |
2165 | throw new IllegalArgumentException("Menu " + menu + " is already " + | |
2166 | "part of application " + menu.getApplication()); | |
2167 | } | |
2168 | closeMenu(); | |
2169 | menus.remove(menu); | |
2170 | recomputeMenuX(); | |
2171 | } | |
2172 | ||
fca67db0 KL |
2173 | /** |
2174 | * Turn off a sub-menu. | |
2175 | */ | |
928811d8 | 2176 | public final void closeSubMenu() { |
fca67db0 KL |
2177 | assert (activeMenu != null); |
2178 | TMenu item = subMenus.get(subMenus.size() - 1); | |
2179 | assert (item != null); | |
2180 | item.setActive(false); | |
2181 | subMenus.remove(subMenus.size() - 1); | |
fca67db0 KL |
2182 | } |
2183 | ||
2184 | /** | |
2185 | * Switch to the next menu. | |
2186 | * | |
2187 | * @param forward if true, then switch to the next menu in the list, | |
2188 | * otherwise switch to the previous menu in the list | |
2189 | */ | |
928811d8 | 2190 | public final void switchMenu(final boolean forward) { |
fca67db0 KL |
2191 | assert (activeMenu != null); |
2192 | ||
2193 | for (TMenu menu: subMenus) { | |
2194 | menu.setActive(false); | |
2195 | } | |
2196 | subMenus.clear(); | |
2197 | ||
2198 | for (int i = 0; i < menus.size(); i++) { | |
2199 | if (activeMenu == menus.get(i)) { | |
2200 | if (forward) { | |
2201 | if (i < menus.size() - 1) { | |
2202 | i++; | |
2203 | } | |
2204 | } else { | |
2205 | if (i > 0) { | |
2206 | i--; | |
2207 | } | |
2208 | } | |
2209 | activeMenu.setActive(false); | |
2210 | activeMenu = menus.get(i); | |
2211 | activeMenu.setActive(true); | |
fca67db0 KL |
2212 | return; |
2213 | } | |
2214 | } | |
2215 | } | |
2216 | ||
928811d8 | 2217 | /** |
efb7af1f KL |
2218 | * Add a menu item to the global list. If it has a keyboard accelerator, |
2219 | * that will be added the global hash. | |
928811d8 | 2220 | * |
efb7af1f | 2221 | * @param item the menu item |
928811d8 | 2222 | */ |
efb7af1f KL |
2223 | public final void addMenuItem(final TMenuItem item) { |
2224 | menuItems.add(item); | |
2225 | ||
2226 | TKeypress key = item.getKey(); | |
2227 | if (key != null) { | |
2228 | synchronized (accelerators) { | |
2229 | assert (accelerators.get(key) == null); | |
2230 | accelerators.put(key.toLowerCase(), item); | |
2231 | } | |
2232 | } | |
2233 | } | |
2234 | ||
2235 | /** | |
2236 | * Disable one menu item. | |
2237 | * | |
2238 | * @param id the menu item ID | |
2239 | */ | |
2240 | public final void disableMenuItem(final int id) { | |
2241 | for (TMenuItem item: menuItems) { | |
2242 | if (item.getId() == id) { | |
2243 | item.setEnabled(false); | |
2244 | } | |
2245 | } | |
2246 | } | |
e826b451 | 2247 | |
efb7af1f KL |
2248 | /** |
2249 | * Disable the range of menu items with ID's between lower and upper, | |
2250 | * inclusive. | |
2251 | * | |
2252 | * @param lower the lowest menu item ID | |
2253 | * @param upper the highest menu item ID | |
2254 | */ | |
2255 | public final void disableMenuItems(final int lower, final int upper) { | |
2256 | for (TMenuItem item: menuItems) { | |
2257 | if ((item.getId() >= lower) && (item.getId() <= upper)) { | |
2258 | item.setEnabled(false); | |
2259 | } | |
2260 | } | |
2261 | } | |
2262 | ||
2263 | /** | |
2264 | * Enable one menu item. | |
2265 | * | |
2266 | * @param id the menu item ID | |
2267 | */ | |
2268 | public final void enableMenuItem(final int id) { | |
2269 | for (TMenuItem item: menuItems) { | |
2270 | if (item.getId() == id) { | |
2271 | item.setEnabled(true); | |
2272 | } | |
2273 | } | |
2274 | } | |
2275 | ||
2276 | /** | |
2277 | * Enable the range of menu items with ID's between lower and upper, | |
2278 | * inclusive. | |
2279 | * | |
2280 | * @param lower the lowest menu item ID | |
2281 | * @param upper the highest menu item ID | |
2282 | */ | |
2283 | public final void enableMenuItems(final int lower, final int upper) { | |
2284 | for (TMenuItem item: menuItems) { | |
2285 | if ((item.getId() >= lower) && (item.getId() <= upper)) { | |
2286 | item.setEnabled(true); | |
2287 | } | |
e826b451 | 2288 | } |
928811d8 KL |
2289 | } |
2290 | ||
2291 | /** | |
2292 | * Recompute menu x positions based on their title length. | |
2293 | */ | |
2294 | public final void recomputeMenuX() { | |
2295 | int x = 0; | |
2296 | for (TMenu menu: menus) { | |
2297 | menu.setX(x); | |
2298 | x += menu.getTitle().length() + 2; | |
2299 | } | |
2300 | } | |
2301 | ||
2302 | /** | |
2303 | * Post an event to process and turn off the menu. | |
2304 | * | |
2305 | * @param event new event to add to the queue | |
2306 | */ | |
5dfd1c11 | 2307 | public final void postMenuEvent(final TInputEvent event) { |
be72cb5c KL |
2308 | synchronized (this) { |
2309 | synchronized (fillEventQueue) { | |
2310 | fillEventQueue.add(event); | |
2311 | } | |
2312 | if (debugThreads) { | |
2313 | System.err.println(System.currentTimeMillis() + " " + | |
2314 | Thread.currentThread() + " postMenuEvent() wake up main"); | |
2315 | } | |
2316 | closeMenu(); | |
2317 | this.notify(); | |
8e688b92 | 2318 | } |
928811d8 KL |
2319 | } |
2320 | ||
2321 | /** | |
2322 | * Add a sub-menu to the list of open sub-menus. | |
2323 | * | |
2324 | * @param menu sub-menu | |
2325 | */ | |
2326 | public final void addSubMenu(final TMenu menu) { | |
2327 | subMenus.add(menu); | |
2328 | } | |
2329 | ||
8e688b92 KL |
2330 | /** |
2331 | * Convenience function to add a top-level menu. | |
2332 | * | |
2333 | * @param title menu title | |
2334 | * @return the new menu | |
2335 | */ | |
87a17f3c | 2336 | public final TMenu addMenu(final String title) { |
8e688b92 KL |
2337 | int x = 0; |
2338 | int y = 0; | |
2339 | TMenu menu = new TMenu(this, x, y, title); | |
2340 | menus.add(menu); | |
2341 | recomputeMenuX(); | |
2342 | return menu; | |
2343 | } | |
2344 | ||
2345 | /** | |
2346 | * Convenience function to add a default "File" menu. | |
2347 | * | |
2348 | * @return the new menu | |
2349 | */ | |
2350 | public final TMenu addFileMenu() { | |
339652cc | 2351 | TMenu fileMenu = addMenu(i18n.getString("fileMenuTitle")); |
8e688b92 KL |
2352 | fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE); |
2353 | fileMenu.addSeparator(); | |
2354 | fileMenu.addDefaultItem(TMenu.MID_SHELL); | |
2355 | fileMenu.addDefaultItem(TMenu.MID_EXIT); | |
339652cc KL |
2356 | TStatusBar statusBar = fileMenu.newStatusBar(i18n. |
2357 | getString("fileMenuStatus")); | |
2358 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
8e688b92 KL |
2359 | return fileMenu; |
2360 | } | |
2361 | ||
2362 | /** | |
2363 | * Convenience function to add a default "Edit" menu. | |
2364 | * | |
2365 | * @return the new menu | |
2366 | */ | |
2367 | public final TMenu addEditMenu() { | |
339652cc | 2368 | TMenu editMenu = addMenu(i18n.getString("editMenuTitle")); |
8e688b92 KL |
2369 | editMenu.addDefaultItem(TMenu.MID_CUT); |
2370 | editMenu.addDefaultItem(TMenu.MID_COPY); | |
2371 | editMenu.addDefaultItem(TMenu.MID_PASTE); | |
2372 | editMenu.addDefaultItem(TMenu.MID_CLEAR); | |
339652cc KL |
2373 | TStatusBar statusBar = editMenu.newStatusBar(i18n. |
2374 | getString("editMenuStatus")); | |
2375 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
8e688b92 KL |
2376 | return editMenu; |
2377 | } | |
2378 | ||
2379 | /** | |
2380 | * Convenience function to add a default "Window" menu. | |
2381 | * | |
2382 | * @return the new menu | |
2383 | */ | |
c6940ed9 | 2384 | public final TMenu addWindowMenu() { |
339652cc | 2385 | TMenu windowMenu = addMenu(i18n.getString("windowMenuTitle")); |
8e688b92 KL |
2386 | windowMenu.addDefaultItem(TMenu.MID_TILE); |
2387 | windowMenu.addDefaultItem(TMenu.MID_CASCADE); | |
2388 | windowMenu.addDefaultItem(TMenu.MID_CLOSE_ALL); | |
2389 | windowMenu.addSeparator(); | |
2390 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_MOVE); | |
2391 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_ZOOM); | |
2392 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_NEXT); | |
2393 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_PREVIOUS); | |
2394 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_CLOSE); | |
339652cc KL |
2395 | TStatusBar statusBar = windowMenu.newStatusBar(i18n. |
2396 | getString("windowMenuStatus")); | |
2397 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
8e688b92 KL |
2398 | return windowMenu; |
2399 | } | |
2400 | ||
55d2b2c2 KL |
2401 | /** |
2402 | * Convenience function to add a default "Help" menu. | |
2403 | * | |
2404 | * @return the new menu | |
2405 | */ | |
2406 | public final TMenu addHelpMenu() { | |
339652cc | 2407 | TMenu helpMenu = addMenu(i18n.getString("helpMenuTitle")); |
55d2b2c2 KL |
2408 | helpMenu.addDefaultItem(TMenu.MID_HELP_CONTENTS); |
2409 | helpMenu.addDefaultItem(TMenu.MID_HELP_INDEX); | |
2410 | helpMenu.addDefaultItem(TMenu.MID_HELP_SEARCH); | |
2411 | helpMenu.addDefaultItem(TMenu.MID_HELP_PREVIOUS); | |
2412 | helpMenu.addDefaultItem(TMenu.MID_HELP_HELP); | |
2413 | helpMenu.addDefaultItem(TMenu.MID_HELP_ACTIVE_FILE); | |
2414 | helpMenu.addSeparator(); | |
2415 | helpMenu.addDefaultItem(TMenu.MID_ABOUT); | |
339652cc KL |
2416 | TStatusBar statusBar = helpMenu.newStatusBar(i18n. |
2417 | getString("helpMenuStatus")); | |
2418 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
55d2b2c2 KL |
2419 | return helpMenu; |
2420 | } | |
2421 | ||
2ce6dab2 KL |
2422 | // ------------------------------------------------------------------------ |
2423 | // Event handlers --------------------------------------------------------- | |
2424 | // ------------------------------------------------------------------------ | |
2425 | ||
8e688b92 | 2426 | /** |
2ce6dab2 KL |
2427 | * Method that TApplication subclasses can override to handle menu or |
2428 | * posted command events. | |
2429 | * | |
2430 | * @param command command event | |
2431 | * @return if true, this event was consumed | |
8e688b92 | 2432 | */ |
2ce6dab2 KL |
2433 | protected boolean onCommand(final TCommandEvent command) { |
2434 | // Default: handle cmExit | |
2435 | if (command.equals(cmExit)) { | |
339652cc KL |
2436 | if (messageBox(i18n.getString("exitDialogTitle"), |
2437 | i18n.getString("exitDialogText"), | |
2ce6dab2 | 2438 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
be72cb5c | 2439 | exit(); |
2ce6dab2 KL |
2440 | } |
2441 | return true; | |
8e688b92 | 2442 | } |
2ce6dab2 KL |
2443 | |
2444 | if (command.equals(cmShell)) { | |
2445 | openTerminal(0, 0, TWindow.RESIZABLE); | |
2446 | return true; | |
2447 | } | |
2448 | ||
2449 | if (command.equals(cmTile)) { | |
2450 | tileWindows(); | |
2451 | return true; | |
2452 | } | |
2453 | if (command.equals(cmCascade)) { | |
2454 | cascadeWindows(); | |
2455 | return true; | |
2456 | } | |
2457 | if (command.equals(cmCloseAll)) { | |
2458 | closeAllWindows(); | |
2459 | return true; | |
8e688b92 | 2460 | } |
2ce6dab2 | 2461 | |
71a389c9 KL |
2462 | if (command.equals(cmMenu)) { |
2463 | if (!modalWindowActive() && (activeMenu == null)) { | |
2464 | if (menus.size() > 0) { | |
2465 | menus.get(0).setActive(true); | |
2466 | activeMenu = menus.get(0); | |
2467 | return true; | |
2468 | } | |
2469 | } | |
2470 | } | |
2471 | ||
2ce6dab2 | 2472 | return false; |
8e688b92 KL |
2473 | } |
2474 | ||
2475 | /** | |
2ce6dab2 KL |
2476 | * Method that TApplication subclasses can override to handle menu |
2477 | * events. | |
2478 | * | |
2479 | * @param menu menu event | |
2480 | * @return if true, this event was consumed | |
8e688b92 | 2481 | */ |
2ce6dab2 KL |
2482 | protected boolean onMenu(final TMenuEvent menu) { |
2483 | ||
2484 | // Default: handle MID_EXIT | |
2485 | if (menu.getId() == TMenu.MID_EXIT) { | |
339652cc KL |
2486 | if (messageBox(i18n.getString("exitDialogTitle"), |
2487 | i18n.getString("exitDialogText"), | |
2ce6dab2 | 2488 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
be72cb5c | 2489 | exit(); |
8e688b92 | 2490 | } |
2ce6dab2 KL |
2491 | return true; |
2492 | } | |
bb35d919 | 2493 | |
2ce6dab2 KL |
2494 | if (menu.getId() == TMenu.MID_SHELL) { |
2495 | openTerminal(0, 0, TWindow.RESIZABLE); | |
2496 | return true; | |
2497 | } | |
8e688b92 | 2498 | |
2ce6dab2 KL |
2499 | if (menu.getId() == TMenu.MID_TILE) { |
2500 | tileWindows(); | |
2501 | return true; | |
2502 | } | |
2503 | if (menu.getId() == TMenu.MID_CASCADE) { | |
2504 | cascadeWindows(); | |
2505 | return true; | |
2506 | } | |
2507 | if (menu.getId() == TMenu.MID_CLOSE_ALL) { | |
2508 | closeAllWindows(); | |
2509 | return true; | |
2510 | } | |
2511 | if (menu.getId() == TMenu.MID_ABOUT) { | |
2512 | showAboutDialog(); | |
2513 | return true; | |
2514 | } | |
1c19fdea KL |
2515 | if (menu.getId() == TMenu.MID_REPAINT) { |
2516 | doRepaint(); | |
2517 | return true; | |
2518 | } | |
2ce6dab2 KL |
2519 | return false; |
2520 | } | |
2521 | ||
2522 | /** | |
2523 | * Method that TApplication subclasses can override to handle keystrokes. | |
2524 | * | |
2525 | * @param keypress keystroke event | |
2526 | * @return if true, this event was consumed | |
2527 | */ | |
2528 | protected boolean onKeypress(final TKeypressEvent keypress) { | |
2529 | // Default: only menu shortcuts | |
2530 | ||
2531 | // Process Alt-F, Alt-E, etc. menu shortcut keys | |
2532 | if (!keypress.getKey().isFnKey() | |
2533 | && keypress.getKey().isAlt() | |
2534 | && !keypress.getKey().isCtrl() | |
2535 | && (activeMenu == null) | |
2536 | && !modalWindowActive() | |
2537 | ) { | |
2538 | ||
2539 | assert (subMenus.size() == 0); | |
2540 | ||
2541 | for (TMenu menu: menus) { | |
2542 | if (Character.toLowerCase(menu.getMnemonic().getShortcut()) | |
2543 | == Character.toLowerCase(keypress.getKey().getChar()) | |
2544 | ) { | |
2545 | activeMenu = menu; | |
2546 | menu.setActive(true); | |
2547 | return true; | |
bb35d919 | 2548 | } |
8e688b92 KL |
2549 | } |
2550 | } | |
2ce6dab2 KL |
2551 | |
2552 | return false; | |
8e688b92 KL |
2553 | } |
2554 | ||
2ce6dab2 KL |
2555 | // ------------------------------------------------------------------------ |
2556 | // TTimer management ------------------------------------------------------ | |
2557 | // ------------------------------------------------------------------------ | |
2558 | ||
8e688b92 | 2559 | /** |
2ce6dab2 KL |
2560 | * Get the amount of time I can sleep before missing a Timer tick. |
2561 | * | |
2562 | * @param timeout = initial (maximum) timeout in millis | |
2563 | * @return number of milliseconds between now and the next timer event | |
8e688b92 | 2564 | */ |
2ce6dab2 KL |
2565 | private long getSleepTime(final long timeout) { |
2566 | Date now = new Date(); | |
2567 | long nowTime = now.getTime(); | |
2568 | long sleepTime = timeout; | |
2ce6dab2 | 2569 | |
be72cb5c KL |
2570 | synchronized (timers) { |
2571 | for (TTimer timer: timers) { | |
2572 | long nextTickTime = timer.getNextTick().getTime(); | |
2573 | if (nextTickTime < nowTime) { | |
2574 | return 0; | |
2575 | } | |
2576 | ||
2577 | long timeDifference = nextTickTime - nowTime; | |
2578 | if (timeDifference < sleepTime) { | |
2579 | sleepTime = timeDifference; | |
2580 | } | |
8e688b92 KL |
2581 | } |
2582 | } | |
be72cb5c | 2583 | |
2ce6dab2 KL |
2584 | assert (sleepTime >= 0); |
2585 | assert (sleepTime <= timeout); | |
2586 | return sleepTime; | |
8e688b92 KL |
2587 | } |
2588 | ||
d502a0e9 KL |
2589 | /** |
2590 | * Convenience function to add a timer. | |
2591 | * | |
2592 | * @param duration number of milliseconds to wait between ticks | |
2593 | * @param recurring if true, re-schedule this timer after every tick | |
2594 | * @param action function to call when button is pressed | |
c6940ed9 | 2595 | * @return the timer |
d502a0e9 KL |
2596 | */ |
2597 | public final TTimer addTimer(final long duration, final boolean recurring, | |
2598 | final TAction action) { | |
2599 | ||
2600 | TTimer timer = new TTimer(duration, recurring, action); | |
2601 | synchronized (timers) { | |
2602 | timers.add(timer); | |
2603 | } | |
2604 | return timer; | |
2605 | } | |
2606 | ||
2607 | /** | |
2608 | * Convenience function to remove a timer. | |
2609 | * | |
2610 | * @param timer timer to remove | |
2611 | */ | |
2612 | public final void removeTimer(final TTimer timer) { | |
2613 | synchronized (timers) { | |
2614 | timers.remove(timer); | |
2615 | } | |
2616 | } | |
2617 | ||
2ce6dab2 KL |
2618 | // ------------------------------------------------------------------------ |
2619 | // Other TWindow constructors --------------------------------------------- | |
2620 | // ------------------------------------------------------------------------ | |
2621 | ||
c6940ed9 KL |
2622 | /** |
2623 | * Convenience function to spawn a message box. | |
2624 | * | |
2625 | * @param title window title, will be centered along the top border | |
2626 | * @param caption message to display. Use embedded newlines to get a | |
2627 | * multi-line box. | |
2628 | * @return the new message box | |
2629 | */ | |
2630 | public final TMessageBox messageBox(final String title, | |
2631 | final String caption) { | |
2632 | ||
2633 | return new TMessageBox(this, title, caption, TMessageBox.Type.OK); | |
2634 | } | |
2635 | ||
2636 | /** | |
2637 | * Convenience function to spawn a message box. | |
2638 | * | |
2639 | * @param title window title, will be centered along the top border | |
2640 | * @param caption message to display. Use embedded newlines to get a | |
2641 | * multi-line box. | |
2642 | * @param type one of the TMessageBox.Type constants. Default is | |
2643 | * Type.OK. | |
2644 | * @return the new message box | |
2645 | */ | |
2646 | public final TMessageBox messageBox(final String title, | |
2647 | final String caption, final TMessageBox.Type type) { | |
2648 | ||
2649 | return new TMessageBox(this, title, caption, type); | |
2650 | } | |
2651 | ||
2652 | /** | |
2653 | * Convenience function to spawn an input box. | |
2654 | * | |
2655 | * @param title window title, will be centered along the top border | |
2656 | * @param caption message to display. Use embedded newlines to get a | |
2657 | * multi-line box. | |
2658 | * @return the new input box | |
2659 | */ | |
2660 | public final TInputBox inputBox(final String title, final String caption) { | |
2661 | ||
2662 | return new TInputBox(this, title, caption); | |
2663 | } | |
2664 | ||
2665 | /** | |
2666 | * Convenience function to spawn an input box. | |
2667 | * | |
2668 | * @param title window title, will be centered along the top border | |
2669 | * @param caption message to display. Use embedded newlines to get a | |
2670 | * multi-line box. | |
2671 | * @param text initial text to seed the field with | |
2672 | * @return the new input box | |
2673 | */ | |
2674 | public final TInputBox inputBox(final String title, final String caption, | |
2675 | final String text) { | |
2676 | ||
2677 | return new TInputBox(this, title, caption, text); | |
2678 | } | |
1ac2ccb1 | 2679 | |
34a42e78 KL |
2680 | /** |
2681 | * Convenience function to open a terminal window. | |
2682 | * | |
2683 | * @param x column relative to parent | |
2684 | * @param y row relative to parent | |
2685 | * @return the terminal new window | |
2686 | */ | |
2687 | public final TTerminalWindow openTerminal(final int x, final int y) { | |
2688 | return openTerminal(x, y, TWindow.RESIZABLE); | |
2689 | } | |
2690 | ||
2691 | /** | |
2692 | * Convenience function to open a terminal window. | |
2693 | * | |
2694 | * @param x column relative to parent | |
2695 | * @param y row relative to parent | |
2696 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
2697 | * @return the terminal new window | |
2698 | */ | |
2699 | public final TTerminalWindow openTerminal(final int x, final int y, | |
2700 | final int flags) { | |
2701 | ||
2702 | return new TTerminalWindow(this, x, y, flags); | |
2703 | } | |
2704 | ||
0d47c546 KL |
2705 | /** |
2706 | * Convenience function to spawn an file open box. | |
2707 | * | |
2708 | * @param path path of selected file | |
2709 | * @return the result of the new file open box | |
329fd62e | 2710 | * @throws IOException if java.io operation throws |
0d47c546 KL |
2711 | */ |
2712 | public final String fileOpenBox(final String path) throws IOException { | |
2713 | ||
2714 | TFileOpenBox box = new TFileOpenBox(this, path, TFileOpenBox.Type.OPEN); | |
2715 | return box.getFilename(); | |
2716 | } | |
2717 | ||
2718 | /** | |
2719 | * Convenience function to spawn an file open box. | |
2720 | * | |
2721 | * @param path path of selected file | |
2722 | * @param type one of the Type constants | |
2723 | * @return the result of the new file open box | |
329fd62e | 2724 | * @throws IOException if java.io operation throws |
0d47c546 KL |
2725 | */ |
2726 | public final String fileOpenBox(final String path, | |
2727 | final TFileOpenBox.Type type) throws IOException { | |
2728 | ||
2729 | TFileOpenBox box = new TFileOpenBox(this, path, type); | |
2730 | return box.getFilename(); | |
2731 | } | |
2732 | ||
92453213 KL |
2733 | /** |
2734 | * Convenience function to create a new window and make it active. | |
2735 | * Window will be located at (0, 0). | |
2736 | * | |
2737 | * @param title window title, will be centered along the top border | |
2738 | * @param width width of window | |
2739 | * @param height height of window | |
2740 | */ | |
2741 | public final TWindow addWindow(final String title, final int width, | |
2742 | final int height) { | |
2743 | ||
2744 | TWindow window = new TWindow(this, title, 0, 0, width, height); | |
2745 | return window; | |
2746 | } | |
2747 | /** | |
2748 | * Convenience function to create a new window and make it active. | |
2749 | * Window will be located at (0, 0). | |
2750 | * | |
2751 | * @param title window title, will be centered along the top border | |
2752 | * @param width width of window | |
2753 | * @param height height of window | |
2754 | * @param flags bitmask of RESIZABLE, CENTERED, or MODAL | |
2755 | */ | |
2756 | public final TWindow addWindow(final String title, | |
2757 | final int width, final int height, final int flags) { | |
2758 | ||
2759 | TWindow window = new TWindow(this, title, 0, 0, width, height, flags); | |
2760 | return window; | |
2761 | } | |
2762 | ||
2763 | /** | |
2764 | * Convenience function to create a new window and make it active. | |
2765 | * | |
2766 | * @param title window title, will be centered along the top border | |
2767 | * @param x column relative to parent | |
2768 | * @param y row relative to parent | |
2769 | * @param width width of window | |
2770 | * @param height height of window | |
2771 | */ | |
2772 | public final TWindow addWindow(final String title, | |
2773 | final int x, final int y, final int width, final int height) { | |
2774 | ||
2775 | TWindow window = new TWindow(this, title, x, y, width, height); | |
2776 | return window; | |
2777 | } | |
2778 | ||
2779 | /** | |
2780 | * Convenience function to create a new window and make it active. | |
2781 | * | |
92453213 KL |
2782 | * @param title window title, will be centered along the top border |
2783 | * @param x column relative to parent | |
2784 | * @param y row relative to parent | |
2785 | * @param width width of window | |
2786 | * @param height height of window | |
2787 | * @param flags mask of RESIZABLE, CENTERED, or MODAL | |
2788 | */ | |
2789 | public final TWindow addWindow(final String title, | |
2790 | final int x, final int y, final int width, final int height, | |
2791 | final int flags) { | |
2792 | ||
2793 | TWindow window = new TWindow(this, title, x, y, width, height, flags); | |
2794 | return window; | |
2795 | } | |
2796 | ||
7d4115a5 | 2797 | } |