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 | ||
1978ad50 | 31 | import java.io.File; |
4328bb42 | 32 | import java.io.InputStream; |
0d47c546 | 33 | import java.io.IOException; |
4328bb42 | 34 | import java.io.OutputStream; |
6985c572 KL |
35 | import java.io.PrintWriter; |
36 | import java.io.Reader; | |
4328bb42 | 37 | import java.io.UnsupportedEncodingException; |
339652cc | 38 | import java.text.MessageFormat; |
a06459bd | 39 | import java.util.Collections; |
d502a0e9 | 40 | import java.util.Date; |
e826b451 | 41 | import java.util.HashMap; |
c6940ed9 | 42 | import java.util.ArrayList; |
4328bb42 KL |
43 | import java.util.LinkedList; |
44 | import java.util.List; | |
e826b451 | 45 | import java.util.Map; |
339652cc | 46 | import java.util.ResourceBundle; |
4328bb42 KL |
47 | |
48 | import jexer.bits.CellAttributes; | |
49 | import jexer.bits.ColorTheme; | |
4328bb42 KL |
50 | import jexer.event.TCommandEvent; |
51 | import jexer.event.TInputEvent; | |
52 | import jexer.event.TKeypressEvent; | |
fca67db0 | 53 | import jexer.event.TMenuEvent; |
4328bb42 KL |
54 | import jexer.event.TMouseEvent; |
55 | import jexer.event.TResizeEvent; | |
56 | import jexer.backend.Backend; | |
42873e30 | 57 | import jexer.backend.Screen; |
be72cb5c | 58 | import jexer.backend.MultiBackend; |
a4406f4e | 59 | import jexer.backend.SwingBackend; |
4328bb42 | 60 | import jexer.backend.ECMA48Backend; |
3e074355 | 61 | import jexer.backend.TWindowBackend; |
928811d8 KL |
62 | import jexer.menu.TMenu; |
63 | import jexer.menu.TMenuItem; | |
4328bb42 | 64 | import static jexer.TCommand.*; |
2ce6dab2 | 65 | import static jexer.TKeypress.*; |
4328bb42 | 66 | |
7d4115a5 | 67 | /** |
42873e30 KL |
68 | * TApplication is the main driver class for a full Text User Interface |
69 | * application. It manages windows, provides a menu bar and status bar, and | |
70 | * processes events received from the user. | |
7d4115a5 | 71 | */ |
a4406f4e | 72 | public class TApplication implements Runnable { |
7d4115a5 | 73 | |
339652cc KL |
74 | /** |
75 | * Translated strings. | |
76 | */ | |
77 | private static final ResourceBundle i18n = ResourceBundle.getBundle(TApplication.class.getName()); | |
78 | ||
2ce6dab2 KL |
79 | // ------------------------------------------------------------------------ |
80 | // Public constants ------------------------------------------------------- | |
81 | // ------------------------------------------------------------------------ | |
82 | ||
99144c71 KL |
83 | /** |
84 | * If true, emit thread stuff to System.err. | |
85 | */ | |
86 | private static final boolean debugThreads = false; | |
87 | ||
a83fea2b KL |
88 | /** |
89 | * If true, emit events being processed to System.err. | |
90 | */ | |
91 | private static final boolean debugEvents = false; | |
92 | ||
a7986f7b KL |
93 | /** |
94 | * If true, do "smart placement" on new windows that are not specified to | |
95 | * be centered. | |
96 | */ | |
97 | private static final boolean smartWindowPlacement = true; | |
98 | ||
a4406f4e KL |
99 | /** |
100 | * Two backend types are available. | |
101 | */ | |
102 | public static enum BackendType { | |
103 | /** | |
104 | * A Swing JFrame. | |
105 | */ | |
106 | SWING, | |
107 | ||
108 | /** | |
109 | * An ECMA48 / ANSI X3.64 / XTERM style terminal. | |
110 | */ | |
111 | ECMA48, | |
112 | ||
113 | /** | |
329fd62e | 114 | * Synonym for ECMA48. |
a4406f4e KL |
115 | */ |
116 | XTERM | |
117 | } | |
118 | ||
2ce6dab2 KL |
119 | // ------------------------------------------------------------------------ |
120 | // Primary/secondary event handlers --------------------------------------- | |
121 | // ------------------------------------------------------------------------ | |
122 | ||
c6940ed9 KL |
123 | /** |
124 | * WidgetEventHandler is the main event consumer loop. There are at most | |
125 | * two such threads in existence: the primary for normal case and a | |
126 | * secondary that is used for TMessageBox, TInputBox, and similar. | |
127 | */ | |
128 | private class WidgetEventHandler implements Runnable { | |
129 | /** | |
130 | * The main application. | |
131 | */ | |
132 | private TApplication application; | |
133 | ||
134 | /** | |
135 | * Whether or not this WidgetEventHandler is the primary or secondary | |
136 | * thread. | |
137 | */ | |
138 | private boolean primary = true; | |
139 | ||
140 | /** | |
141 | * Public constructor. | |
142 | * | |
143 | * @param application the main application | |
144 | * @param primary if true, this is the primary event handler thread | |
145 | */ | |
146 | public WidgetEventHandler(final TApplication application, | |
147 | final boolean primary) { | |
148 | ||
149 | this.application = application; | |
150 | this.primary = primary; | |
151 | } | |
152 | ||
153 | /** | |
154 | * The consumer loop. | |
155 | */ | |
156 | public void run() { | |
be72cb5c | 157 | boolean first = true; |
c6940ed9 KL |
158 | |
159 | // Loop forever | |
160 | while (!application.quit) { | |
161 | ||
162 | // Wait until application notifies me | |
163 | while (!application.quit) { | |
164 | try { | |
165 | synchronized (application.drainEventQueue) { | |
166 | if (application.drainEventQueue.size() > 0) { | |
167 | break; | |
168 | } | |
169 | } | |
92554d64 | 170 | |
be72cb5c KL |
171 | long timeout = 0; |
172 | if (first) { | |
173 | first = false; | |
174 | } else { | |
175 | timeout = application.getSleepTime(1000); | |
176 | } | |
177 | ||
178 | if (timeout == 0) { | |
179 | // A timer needs to fire, break out. | |
180 | break; | |
181 | } | |
92554d64 | 182 | |
be72cb5c KL |
183 | if (debugThreads) { |
184 | System.err.printf("%d %s %s sleep %d millis\n", | |
185 | System.currentTimeMillis(), this, | |
186 | primary ? "primary" : "secondary", timeout); | |
187 | } | |
92554d64 | 188 | |
be72cb5c KL |
189 | synchronized (this) { |
190 | this.wait(timeout); | |
191 | } | |
92554d64 | 192 | |
be72cb5c KL |
193 | if (debugThreads) { |
194 | System.err.printf("%d %s %s AWAKE\n", | |
195 | System.currentTimeMillis(), this, | |
196 | primary ? "primary" : "secondary"); | |
197 | } | |
198 | ||
199 | if ((!primary) | |
200 | && (application.secondaryEventReceiver == null) | |
201 | ) { | |
202 | // Secondary thread, emergency exit. If we got | |
203 | // here then something went wrong with the | |
204 | // handoff between yield() and closeWindow(). | |
205 | synchronized (application.primaryEventHandler) { | |
206 | application.primaryEventHandler.notify(); | |
c6940ed9 | 207 | } |
be72cb5c KL |
208 | application.secondaryEventHandler = null; |
209 | throw new RuntimeException("secondary exited " + | |
210 | "at wrong time"); | |
c6940ed9 | 211 | } |
be72cb5c | 212 | break; |
c6940ed9 KL |
213 | } catch (InterruptedException e) { |
214 | // SQUASH | |
215 | } | |
be72cb5c | 216 | } // while (!application.quit) |
ef368bd0 | 217 | |
c6940ed9 KL |
218 | // Pull all events off the queue |
219 | for (;;) { | |
220 | TInputEvent event = null; | |
221 | synchronized (application.drainEventQueue) { | |
222 | if (application.drainEventQueue.size() == 0) { | |
223 | break; | |
224 | } | |
225 | event = application.drainEventQueue.remove(0); | |
226 | } | |
be72cb5c KL |
227 | |
228 | // We will have an event to process, so repaint the | |
229 | // screen at the end. | |
bd8d51fa | 230 | application.repaint = true; |
be72cb5c | 231 | |
c6940ed9 KL |
232 | if (primary) { |
233 | primaryHandleEvent(event); | |
234 | } else { | |
235 | secondaryHandleEvent(event); | |
236 | } | |
237 | if ((!primary) | |
238 | && (application.secondaryEventReceiver == null) | |
239 | ) { | |
99144c71 KL |
240 | // Secondary thread, time to exit. |
241 | ||
242 | // DO NOT UNLOCK. Primary thread just came back from | |
243 | // primaryHandleEvent() and will unlock in the else | |
92554d64 KL |
244 | // block below. Just wake it up. |
245 | synchronized (application.primaryEventHandler) { | |
246 | application.primaryEventHandler.notify(); | |
247 | } | |
248 | // Now eliminate my reference so that | |
249 | // wakeEventHandler() resumes working on the primary. | |
250 | application.secondaryEventHandler = null; | |
251 | ||
252 | // All done! | |
c6940ed9 KL |
253 | return; |
254 | } | |
92554d64 | 255 | |
be72cb5c | 256 | } // for (;;) |
ef368bd0 | 257 | |
be72cb5c KL |
258 | // Fire timers, update screen. |
259 | if (!quit) { | |
260 | application.finishEventProcessing(); | |
c6940ed9 | 261 | } |
92554d64 | 262 | |
c6940ed9 KL |
263 | } // while (true) (main runnable loop) |
264 | } | |
265 | } | |
266 | ||
267 | /** | |
268 | * The primary event handler thread. | |
269 | */ | |
92554d64 | 270 | private volatile WidgetEventHandler primaryEventHandler; |
c6940ed9 KL |
271 | |
272 | /** | |
273 | * The secondary event handler thread. | |
274 | */ | |
92554d64 | 275 | private volatile WidgetEventHandler secondaryEventHandler; |
c6940ed9 KL |
276 | |
277 | /** | |
278 | * The widget receiving events from the secondary event handler thread. | |
279 | */ | |
92554d64 | 280 | private volatile TWidget secondaryEventReceiver; |
c6940ed9 | 281 | |
92554d64 KL |
282 | /** |
283 | * Wake the sleeping active event handler. | |
284 | */ | |
285 | private void wakeEventHandler() { | |
286 | if (secondaryEventHandler != null) { | |
287 | synchronized (secondaryEventHandler) { | |
288 | secondaryEventHandler.notify(); | |
289 | } | |
290 | } else { | |
291 | assert (primaryEventHandler != null); | |
292 | synchronized (primaryEventHandler) { | |
293 | primaryEventHandler.notify(); | |
294 | } | |
295 | } | |
296 | } | |
297 | ||
2ce6dab2 KL |
298 | // ------------------------------------------------------------------------ |
299 | // TApplication attributes ------------------------------------------------ | |
300 | // ------------------------------------------------------------------------ | |
301 | ||
7d4115a5 | 302 | /** |
4328bb42 KL |
303 | * Access to the physical screen, keyboard, and mouse. |
304 | */ | |
7b5261bc | 305 | private Backend backend; |
4328bb42 | 306 | |
55d2b2c2 KL |
307 | /** |
308 | * Get the Backend. | |
309 | * | |
310 | * @return the Backend | |
311 | */ | |
312 | public final Backend getBackend() { | |
313 | return backend; | |
314 | } | |
315 | ||
48e27807 KL |
316 | /** |
317 | * Get the Screen. | |
318 | * | |
319 | * @return the Screen | |
320 | */ | |
321 | public final Screen getScreen() { | |
3e074355 KL |
322 | if (backend instanceof TWindowBackend) { |
323 | // We are being rendered to a TWindow. We can't use its | |
324 | // getScreen() method because that is how it is rendering to a | |
325 | // hardware backend somewhere. Instead use its getOtherScreen() | |
326 | // method. | |
327 | return ((TWindowBackend) backend).getOtherScreen(); | |
328 | } else { | |
329 | return backend.getScreen(); | |
330 | } | |
48e27807 KL |
331 | } |
332 | ||
4328bb42 | 333 | /** |
7b5261bc | 334 | * Actual mouse coordinate X. |
4328bb42 KL |
335 | */ |
336 | private int mouseX; | |
337 | ||
338 | /** | |
7b5261bc | 339 | * Actual mouse coordinate Y. |
4328bb42 KL |
340 | */ |
341 | private int mouseY; | |
342 | ||
bd8d51fa KL |
343 | /** |
344 | * Old version of mouse coordinate X. | |
345 | */ | |
346 | private int oldMouseX; | |
347 | ||
348 | /** | |
349 | * Old version mouse coordinate Y. | |
350 | */ | |
351 | private int oldMouseY; | |
352 | ||
b6faeac0 KL |
353 | /** |
354 | * The last mouse up click time, used to determine if this is a mouse | |
355 | * double-click. | |
356 | */ | |
357 | private long lastMouseUpTime; | |
358 | ||
359 | /** | |
360 | * The amount of millis between mouse up events to assume a double-click. | |
361 | */ | |
362 | private long doubleClickTime = 250; | |
363 | ||
4328bb42 | 364 | /** |
8e688b92 | 365 | * Event queue that is filled by run(). |
4328bb42 | 366 | */ |
8e688b92 KL |
367 | private List<TInputEvent> fillEventQueue; |
368 | ||
369 | /** | |
370 | * Event queue that will be drained by either primary or secondary | |
371 | * Thread. | |
372 | */ | |
373 | private List<TInputEvent> drainEventQueue; | |
4328bb42 | 374 | |
fca67db0 KL |
375 | /** |
376 | * Top-level menus in this application. | |
377 | */ | |
378 | private List<TMenu> menus; | |
379 | ||
380 | /** | |
381 | * Stack of activated sub-menus in this application. | |
382 | */ | |
383 | private List<TMenu> subMenus; | |
384 | ||
385 | /** | |
92453213 | 386 | * The currently active menu. |
fca67db0 KL |
387 | */ |
388 | private TMenu activeMenu = null; | |
389 | ||
e826b451 KL |
390 | /** |
391 | * Active keyboard accelerators. | |
392 | */ | |
393 | private Map<TKeypress, TMenuItem> accelerators; | |
394 | ||
efb7af1f KL |
395 | /** |
396 | * All menu items. | |
397 | */ | |
398 | private List<TMenuItem> menuItems; | |
399 | ||
4328bb42 KL |
400 | /** |
401 | * Windows and widgets pull colors from this ColorTheme. | |
402 | */ | |
7b5261bc KL |
403 | private ColorTheme theme; |
404 | ||
405 | /** | |
406 | * Get the color theme. | |
407 | * | |
408 | * @return the theme | |
409 | */ | |
410 | public final ColorTheme getTheme() { | |
411 | return theme; | |
412 | } | |
4328bb42 | 413 | |
a06459bd KL |
414 | /** |
415 | * The top-level windows (but not menus). | |
416 | */ | |
fca67db0 | 417 | private List<TWindow> windows; |
a06459bd | 418 | |
92453213 KL |
419 | /** |
420 | * The currently acive window. | |
421 | */ | |
422 | private TWindow activeWindow = null; | |
423 | ||
d502a0e9 KL |
424 | /** |
425 | * Timers that are being ticked. | |
426 | */ | |
427 | private List<TTimer> timers; | |
428 | ||
4328bb42 KL |
429 | /** |
430 | * When true, exit the application. | |
431 | */ | |
92554d64 | 432 | private volatile boolean quit = false; |
4328bb42 KL |
433 | |
434 | /** | |
435 | * When true, repaint the entire screen. | |
436 | */ | |
92554d64 | 437 | private volatile boolean repaint = true; |
4328bb42 | 438 | |
be72cb5c KL |
439 | /** |
440 | * Repaint the screen on the next update. | |
441 | */ | |
442 | public void doRepaint() { | |
443 | repaint = true; | |
444 | wakeEventHandler(); | |
445 | } | |
446 | ||
4328bb42 | 447 | /** |
7b5261bc KL |
448 | * Y coordinate of the top edge of the desktop. For now this is a |
449 | * constant. Someday it would be nice to have a multi-line menu or | |
450 | * toolbars. | |
4328bb42 | 451 | */ |
48e27807 KL |
452 | private static final int desktopTop = 1; |
453 | ||
454 | /** | |
455 | * Get Y coordinate of the top edge of the desktop. | |
456 | * | |
457 | * @return Y coordinate of the top edge of the desktop | |
458 | */ | |
459 | public final int getDesktopTop() { | |
460 | return desktopTop; | |
461 | } | |
4328bb42 KL |
462 | |
463 | /** | |
464 | * Y coordinate of the bottom edge of the desktop. | |
465 | */ | |
48e27807 KL |
466 | private int desktopBottom; |
467 | ||
468 | /** | |
469 | * Get Y coordinate of the bottom edge of the desktop. | |
470 | * | |
471 | * @return Y coordinate of the bottom edge of the desktop | |
472 | */ | |
473 | public final int getDesktopBottom() { | |
474 | return desktopBottom; | |
475 | } | |
4328bb42 | 476 | |
0ee88b6d KL |
477 | /** |
478 | * An optional TDesktop background window that is drawn underneath | |
479 | * everything else. | |
480 | */ | |
481 | private TDesktop desktop; | |
482 | ||
483 | /** | |
484 | * Set the TDesktop instance. | |
485 | * | |
486 | * @param desktop a TDesktop instance, or null to remove the one that is | |
487 | * set | |
488 | */ | |
489 | public final void setDesktop(final TDesktop desktop) { | |
490 | if (this.desktop != null) { | |
491 | this.desktop.onClose(); | |
492 | } | |
493 | this.desktop = desktop; | |
494 | } | |
495 | ||
496 | /** | |
497 | * Get the TDesktop instance. | |
498 | * | |
499 | * @return the desktop, or null if it is not set | |
500 | */ | |
501 | public final TDesktop getDesktop() { | |
502 | return desktop; | |
503 | } | |
504 | ||
92453213 KL |
505 | /** |
506 | * Get the current active window. | |
507 | * | |
508 | * @return the active window, or null if it is not set | |
509 | */ | |
510 | public final TWindow getActiveWindow() { | |
511 | return activeWindow; | |
512 | } | |
513 | ||
514 | /** | |
e8a11f98 | 515 | * Get a (shallow) copy of the window list. |
92453213 KL |
516 | * |
517 | * @return a copy of the list of windows for this application | |
518 | */ | |
519 | public final List<TWindow> getAllWindows() { | |
520 | List<TWindow> result = new LinkedList<TWindow>(); | |
521 | result.addAll(windows); | |
522 | return result; | |
523 | } | |
524 | ||
72fca17b KL |
525 | /** |
526 | * If true, focus follows mouse: windows automatically raised if the | |
527 | * mouse passes over them. | |
528 | */ | |
529 | private boolean focusFollowsMouse = false; | |
530 | ||
531 | /** | |
532 | * Get focusFollowsMouse flag. | |
533 | * | |
534 | * @return true if focus follows mouse: windows automatically raised if | |
535 | * the mouse passes over them | |
536 | */ | |
537 | public boolean getFocusFollowsMouse() { | |
538 | return focusFollowsMouse; | |
539 | } | |
540 | ||
541 | /** | |
542 | * Set focusFollowsMouse flag. | |
543 | * | |
544 | * @param focusFollowsMouse if true, focus follows mouse: windows | |
545 | * automatically raised if the mouse passes over them | |
546 | */ | |
547 | public void setFocusFollowsMouse(final boolean focusFollowsMouse) { | |
548 | this.focusFollowsMouse = focusFollowsMouse; | |
549 | } | |
550 | ||
2ce6dab2 KL |
551 | // ------------------------------------------------------------------------ |
552 | // General behavior ------------------------------------------------------- | |
553 | // ------------------------------------------------------------------------ | |
554 | ||
555 | /** | |
556 | * Display the about dialog. | |
557 | */ | |
558 | protected void showAboutDialog() { | |
339652cc KL |
559 | messageBox(i18n.getString("aboutDialogTitle"), |
560 | MessageFormat.format(i18n.getString("aboutDialogText"), | |
561 | this.getClass().getPackage().getImplementationVersion()), | |
2ce6dab2 KL |
562 | TMessageBox.Type.OK); |
563 | } | |
564 | ||
565 | // ------------------------------------------------------------------------ | |
566 | // Constructors ----------------------------------------------------------- | |
567 | // ------------------------------------------------------------------------ | |
568 | ||
4328bb42 KL |
569 | /** |
570 | * Public constructor. | |
571 | * | |
a4406f4e KL |
572 | * @param backendType BackendType.XTERM, BackendType.ECMA48 or |
573 | * BackendType.SWING | |
574 | * @throws UnsupportedEncodingException if an exception is thrown when | |
575 | * creating the InputStreamReader | |
576 | */ | |
577 | public TApplication(final BackendType backendType) | |
578 | throws UnsupportedEncodingException { | |
579 | ||
580 | switch (backendType) { | |
581 | case SWING: | |
c447c6e5 KL |
582 | // The default SwingBackend is 80x25, 20 pt font. If you want to |
583 | // change that, you can pass the extra arguments to the | |
584 | // SwingBackend constructor here. For example, if you wanted | |
585 | // 90x30, 16 pt font: | |
586 | // | |
587 | // backend = new SwingBackend(this, 90, 30, 16); | |
a4406f4e KL |
588 | backend = new SwingBackend(this); |
589 | break; | |
590 | case XTERM: | |
591 | // Fall through... | |
592 | case ECMA48: | |
593 | backend = new ECMA48Backend(this, null, null); | |
329fd62e KL |
594 | break; |
595 | default: | |
596 | throw new IllegalArgumentException("Invalid backend type: " | |
597 | + backendType); | |
a4406f4e KL |
598 | } |
599 | TApplicationImpl(); | |
600 | } | |
601 | ||
602 | /** | |
603 | * Public constructor. The backend type will be BackendType.ECMA48. | |
604 | * | |
4328bb42 KL |
605 | * @param input an InputStream connected to the remote user, or null for |
606 | * System.in. If System.in is used, then on non-Windows systems it will | |
607 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
608 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
609 | * @param output an OutputStream connected to the remote user, or null | |
610 | * for System.out. output is always converted to a Writer with UTF-8 | |
611 | * encoding. | |
7b5261bc KL |
612 | * @throws UnsupportedEncodingException if an exception is thrown when |
613 | * creating the InputStreamReader | |
4328bb42 | 614 | */ |
7b5261bc KL |
615 | public TApplication(final InputStream input, |
616 | final OutputStream output) throws UnsupportedEncodingException { | |
4328bb42 | 617 | |
a4406f4e KL |
618 | backend = new ECMA48Backend(this, input, output); |
619 | TApplicationImpl(); | |
620 | } | |
30bd4abd | 621 | |
6985c572 KL |
622 | /** |
623 | * Public constructor. The backend type will be BackendType.ECMA48. | |
624 | * | |
625 | * @param input the InputStream underlying 'reader'. Its available() | |
626 | * method is used to determine if reader.read() will block or not. | |
627 | * @param reader a Reader connected to the remote user. | |
628 | * @param writer a PrintWriter connected to the remote user. | |
629 | * @param setRawMode if true, set System.in into raw mode with stty. | |
630 | * This should in general not be used. It is here solely for Demo3, | |
631 | * which uses System.in. | |
632 | * @throws IllegalArgumentException if input, reader, or writer are null. | |
633 | */ | |
634 | public TApplication(final InputStream input, final Reader reader, | |
635 | final PrintWriter writer, final boolean setRawMode) { | |
636 | ||
637 | backend = new ECMA48Backend(this, input, reader, writer, setRawMode); | |
638 | TApplicationImpl(); | |
639 | } | |
640 | ||
641 | /** | |
642 | * Public constructor. The backend type will be BackendType.ECMA48. | |
643 | * | |
644 | * @param input the InputStream underlying 'reader'. Its available() | |
645 | * method is used to determine if reader.read() will block or not. | |
646 | * @param reader a Reader connected to the remote user. | |
647 | * @param writer a PrintWriter connected to the remote user. | |
648 | * @throws IllegalArgumentException if input, reader, or writer are null. | |
649 | */ | |
650 | public TApplication(final InputStream input, final Reader reader, | |
651 | final PrintWriter writer) { | |
652 | ||
653 | this(input, reader, writer, false); | |
654 | } | |
655 | ||
a4406f4e KL |
656 | /** |
657 | * Public constructor. This hook enables use with new non-Jexer | |
658 | * backends. | |
659 | * | |
660 | * @param backend a Backend that is already ready to go. | |
661 | */ | |
662 | public TApplication(final Backend backend) { | |
663 | this.backend = backend; | |
3e074355 | 664 | backend.setListener(this); |
a4406f4e KL |
665 | TApplicationImpl(); |
666 | } | |
30bd4abd | 667 | |
a4406f4e KL |
668 | /** |
669 | * Finish construction once the backend is set. | |
670 | */ | |
671 | private void TApplicationImpl() { | |
8e688b92 KL |
672 | theme = new ColorTheme(); |
673 | desktopBottom = getScreen().getHeight() - 1; | |
c6940ed9 KL |
674 | fillEventQueue = new ArrayList<TInputEvent>(); |
675 | drainEventQueue = new ArrayList<TInputEvent>(); | |
8e688b92 KL |
676 | windows = new LinkedList<TWindow>(); |
677 | menus = new LinkedList<TMenu>(); | |
678 | subMenus = new LinkedList<TMenu>(); | |
d502a0e9 | 679 | timers = new LinkedList<TTimer>(); |
e826b451 | 680 | accelerators = new HashMap<TKeypress, TMenuItem>(); |
efb7af1f | 681 | menuItems = new ArrayList<TMenuItem>(); |
0ee88b6d | 682 | desktop = new TDesktop(this); |
c6940ed9 | 683 | |
be72cb5c KL |
684 | // Special case: the Swing backend needs to have a timer to drive its |
685 | // blink state. | |
686 | if ((backend instanceof SwingBackend) | |
687 | || (backend instanceof MultiBackend) | |
688 | ) { | |
689 | // Default to 500 millis, unless a SwingBackend has its own | |
690 | // value. | |
691 | long millis = 500; | |
692 | if (backend instanceof SwingBackend) { | |
693 | millis = ((SwingBackend) backend).getBlinkMillis(); | |
694 | } | |
695 | if (millis > 0) { | |
696 | addTimer(millis, true, | |
697 | new TAction() { | |
698 | public void DO() { | |
699 | TApplication.this.doRepaint(); | |
700 | } | |
701 | } | |
702 | ); | |
703 | } | |
704 | } | |
4328bb42 KL |
705 | } |
706 | ||
2ce6dab2 KL |
707 | // ------------------------------------------------------------------------ |
708 | // Screen refresh loop ---------------------------------------------------- | |
709 | // ------------------------------------------------------------------------ | |
710 | ||
be72cb5c KL |
711 | /** |
712 | * Process background events, and update the screen. | |
713 | */ | |
714 | private void finishEventProcessing() { | |
715 | if (debugThreads) { | |
716 | System.err.printf(System.currentTimeMillis() + " " + | |
717 | Thread.currentThread() + " finishEventProcessing()\n"); | |
718 | } | |
719 | ||
720 | // Process timers and call doIdle()'s | |
721 | doIdle(); | |
722 | ||
723 | // Update the screen | |
724 | synchronized (getScreen()) { | |
725 | drawAll(); | |
726 | } | |
727 | ||
728 | if (debugThreads) { | |
729 | System.err.printf(System.currentTimeMillis() + " " + | |
730 | Thread.currentThread() + " finishEventProcessing() END\n"); | |
731 | } | |
732 | } | |
733 | ||
4328bb42 | 734 | /** |
bd8d51fa KL |
735 | * Invert the cell color at a position. This is used to track the mouse. |
736 | * | |
737 | * @param x column position | |
738 | * @param y row position | |
4328bb42 | 739 | */ |
bd8d51fa | 740 | private void invertCell(final int x, final int y) { |
1d14ffab | 741 | if (debugThreads) { |
be72cb5c KL |
742 | System.err.printf("%d %s invertCell() %d %d\n", |
743 | System.currentTimeMillis(), Thread.currentThread(), x, y); | |
7b5261bc | 744 | } |
1d14ffab KL |
745 | CellAttributes attr = getScreen().getAttrXY(x, y); |
746 | attr.setForeColor(attr.getForeColor().invert()); | |
747 | attr.setBackColor(attr.getBackColor().invert()); | |
748 | getScreen().putAttrXY(x, y, attr, false); | |
4328bb42 KL |
749 | } |
750 | ||
751 | /** | |
752 | * Draw everything. | |
753 | */ | |
7c870d89 | 754 | private void drawAll() { |
339652cc KL |
755 | boolean menuIsActive = false; |
756 | ||
99144c71 | 757 | if (debugThreads) { |
be72cb5c KL |
758 | System.err.printf("%d %s drawAll() enter\n", |
759 | System.currentTimeMillis(), Thread.currentThread()); | |
99144c71 KL |
760 | } |
761 | ||
bd8d51fa | 762 | if (!repaint) { |
1d14ffab | 763 | if (debugThreads) { |
be72cb5c KL |
764 | System.err.printf("%d %s drawAll() !repaint\n", |
765 | System.currentTimeMillis(), Thread.currentThread()); | |
bd8d51fa | 766 | } |
1d14ffab KL |
767 | synchronized (getScreen()) { |
768 | if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) { | |
769 | // The only thing that has happened is the mouse moved. | |
770 | // Clear the old position and draw the new position. | |
771 | invertCell(oldMouseX, oldMouseY); | |
772 | invertCell(mouseX, mouseY); | |
773 | oldMouseX = mouseX; | |
774 | oldMouseY = mouseY; | |
775 | } | |
776 | if (getScreen().isDirty()) { | |
777 | backend.flushScreen(); | |
778 | } | |
779 | return; | |
bd8d51fa | 780 | } |
7b5261bc KL |
781 | } |
782 | ||
99144c71 | 783 | if (debugThreads) { |
be72cb5c KL |
784 | System.err.printf("%d %s drawAll() REDRAW\n", |
785 | System.currentTimeMillis(), Thread.currentThread()); | |
99144c71 KL |
786 | } |
787 | ||
7b5261bc KL |
788 | // If true, the cursor is not visible |
789 | boolean cursor = false; | |
790 | ||
791 | // Start with a clean screen | |
a06459bd | 792 | getScreen().clear(); |
7b5261bc | 793 | |
0ee88b6d KL |
794 | // Draw the desktop |
795 | if (desktop != null) { | |
796 | desktop.drawChildren(); | |
797 | } | |
7b5261bc | 798 | |
7b5261bc | 799 | // Draw each window in reverse Z order |
a06459bd KL |
800 | List<TWindow> sorted = new LinkedList<TWindow>(windows); |
801 | Collections.sort(sorted); | |
e685a47d KL |
802 | TWindow topLevel = null; |
803 | if (sorted.size() > 0) { | |
804 | topLevel = sorted.get(0); | |
805 | } | |
a06459bd KL |
806 | Collections.reverse(sorted); |
807 | for (TWindow window: sorted) { | |
92453213 KL |
808 | if (window.isShown()) { |
809 | window.drawChildren(); | |
810 | } | |
7b5261bc KL |
811 | } |
812 | ||
813 | // Draw the blank menubar line - reset the screen clipping first so | |
814 | // it won't trim it out. | |
a06459bd KL |
815 | getScreen().resetClipping(); |
816 | getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ', | |
7b5261bc KL |
817 | theme.getColor("tmenu")); |
818 | // Now draw the menus. | |
819 | int x = 1; | |
fca67db0 | 820 | for (TMenu menu: menus) { |
7b5261bc KL |
821 | CellAttributes menuColor; |
822 | CellAttributes menuMnemonicColor; | |
7c870d89 | 823 | if (menu.isActive()) { |
339652cc | 824 | menuIsActive = true; |
7b5261bc KL |
825 | menuColor = theme.getColor("tmenu.highlighted"); |
826 | menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted"); | |
2ce6dab2 | 827 | topLevel = menu; |
7b5261bc KL |
828 | } else { |
829 | menuColor = theme.getColor("tmenu"); | |
830 | menuMnemonicColor = theme.getColor("tmenu.mnemonic"); | |
831 | } | |
832 | // Draw the menu title | |
fca67db0 | 833 | getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ', |
7b5261bc | 834 | menuColor); |
0d47c546 | 835 | getScreen().putStringXY(x + 1, 0, menu.getTitle(), menuColor); |
7b5261bc | 836 | // Draw the highlight character |
fca67db0 KL |
837 | getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(), |
838 | 0, menu.getMnemonic().getShortcut(), menuMnemonicColor); | |
7b5261bc | 839 | |
7c870d89 | 840 | if (menu.isActive()) { |
a06459bd | 841 | menu.drawChildren(); |
7b5261bc | 842 | // Reset the screen clipping so we can draw the next title. |
a06459bd | 843 | getScreen().resetClipping(); |
7b5261bc | 844 | } |
fca67db0 | 845 | x += menu.getTitle().length() + 2; |
7b5261bc KL |
846 | } |
847 | ||
a06459bd | 848 | for (TMenu menu: subMenus) { |
7b5261bc | 849 | // Reset the screen clipping so we can draw the next sub-menu. |
a06459bd KL |
850 | getScreen().resetClipping(); |
851 | menu.drawChildren(); | |
7b5261bc | 852 | } |
7b5261bc | 853 | |
2ce6dab2 | 854 | // Draw the status bar of the top-level window |
e685a47d KL |
855 | TStatusBar statusBar = null; |
856 | if (topLevel != null) { | |
857 | statusBar = topLevel.getStatusBar(); | |
858 | } | |
2ce6dab2 KL |
859 | if (statusBar != null) { |
860 | getScreen().resetClipping(); | |
861 | statusBar.setWidth(getScreen().getWidth()); | |
862 | statusBar.setY(getScreen().getHeight() - topLevel.getY()); | |
863 | statusBar.draw(); | |
864 | } else { | |
865 | CellAttributes barColor = new CellAttributes(); | |
866 | barColor.setTo(getTheme().getColor("tstatusbar.text")); | |
867 | getScreen().hLineXY(0, desktopBottom, getScreen().getWidth(), ' ', | |
868 | barColor); | |
869 | } | |
870 | ||
7b5261bc | 871 | // Draw the mouse pointer |
bd8d51fa | 872 | invertCell(mouseX, mouseY); |
1d14ffab KL |
873 | oldMouseX = mouseX; |
874 | oldMouseY = mouseY; | |
7b5261bc | 875 | |
7b5261bc | 876 | // Place the cursor if it is visible |
339652cc KL |
877 | if (!menuIsActive) { |
878 | TWidget activeWidget = null; | |
879 | if (sorted.size() > 0) { | |
880 | activeWidget = sorted.get(sorted.size() - 1).getActiveChild(); | |
881 | if (activeWidget.isCursorVisible()) { | |
882 | if ((activeWidget.getCursorAbsoluteY() < desktopBottom) | |
883 | && (activeWidget.getCursorAbsoluteY() > desktopTop) | |
884 | ) { | |
885 | getScreen().putCursor(true, | |
886 | activeWidget.getCursorAbsoluteX(), | |
887 | activeWidget.getCursorAbsoluteY()); | |
888 | cursor = true; | |
889 | } else { | |
890 | getScreen().putCursor(false, | |
891 | activeWidget.getCursorAbsoluteX(), | |
892 | activeWidget.getCursorAbsoluteY()); | |
893 | cursor = false; | |
894 | } | |
be72cb5c | 895 | } |
7b5261bc KL |
896 | } |
897 | } | |
898 | ||
899 | // Kill the cursor | |
fca67db0 | 900 | if (!cursor) { |
a06459bd | 901 | getScreen().hideCursor(); |
7b5261bc | 902 | } |
7b5261bc KL |
903 | |
904 | // Flush the screen contents | |
1d14ffab KL |
905 | if (getScreen().isDirty()) { |
906 | backend.flushScreen(); | |
907 | } | |
7b5261bc KL |
908 | |
909 | repaint = false; | |
4328bb42 KL |
910 | } |
911 | ||
2ce6dab2 KL |
912 | // ------------------------------------------------------------------------ |
913 | // Main loop -------------------------------------------------------------- | |
914 | // ------------------------------------------------------------------------ | |
915 | ||
42873e30 KL |
916 | /** |
917 | * Force this application to exit. | |
918 | */ | |
919 | public void exit() { | |
920 | quit = true; | |
be72cb5c KL |
921 | synchronized (this) { |
922 | this.notify(); | |
923 | } | |
42873e30 KL |
924 | } |
925 | ||
4328bb42 | 926 | /** |
7b5261bc | 927 | * Run this application until it exits. |
4328bb42 | 928 | */ |
a4406f4e | 929 | public void run() { |
be72cb5c KL |
930 | // Start the main consumer thread |
931 | primaryEventHandler = new WidgetEventHandler(this, true); | |
932 | (new Thread(primaryEventHandler)).start(); | |
2027327c | 933 | |
7b5261bc | 934 | while (!quit) { |
be72cb5c KL |
935 | synchronized (this) { |
936 | boolean doWait = false; | |
937 | ||
938 | synchronized (fillEventQueue) { | |
939 | if (fillEventQueue.size() == 0) { | |
940 | doWait = true; | |
6358f6e5 | 941 | } |
be72cb5c KL |
942 | } |
943 | ||
944 | if (doWait) { | |
945 | // No I/O to dispatch, so wait until the backend | |
946 | // provides new I/O. | |
947 | try { | |
948 | if (debugThreads) { | |
949 | System.err.println(System.currentTimeMillis() + | |
950 | " MAIN sleep"); | |
951 | } | |
952 | ||
953 | this.wait(); | |
954 | ||
955 | if (debugThreads) { | |
956 | System.err.println(System.currentTimeMillis() + | |
957 | " MAIN AWAKE"); | |
958 | } | |
959 | } catch (InterruptedException e) { | |
960 | // I'm awake and don't care why, let's see what's | |
961 | // going on out there. | |
92554d64 | 962 | } |
8e688b92 | 963 | } |
7b5261bc | 964 | |
be72cb5c | 965 | } // synchronized (this) |
ef368bd0 | 966 | |
be72cb5c KL |
967 | synchronized (fillEventQueue) { |
968 | // Pull any pending I/O events | |
969 | backend.getEvents(fillEventQueue); | |
8e688b92 | 970 | |
be72cb5c KL |
971 | // Dispatch each event to the appropriate handler, one at a |
972 | // time. | |
973 | for (;;) { | |
974 | TInputEvent event = null; | |
975 | if (fillEventQueue.size() == 0) { | |
976 | break; | |
977 | } | |
978 | event = fillEventQueue.remove(0); | |
979 | metaHandleEvent(event); | |
8e688b92 | 980 | } |
8e688b92 | 981 | } |
7b5261bc | 982 | |
92554d64 | 983 | // Wake a consumer thread if we have any pending events. |
ef368bd0 KL |
984 | if (drainEventQueue.size() > 0) { |
985 | wakeEventHandler(); | |
92554d64 KL |
986 | } |
987 | ||
92554d64 KL |
988 | } // while (!quit) |
989 | ||
990 | // Shutdown the event consumer threads | |
991 | if (secondaryEventHandler != null) { | |
992 | synchronized (secondaryEventHandler) { | |
993 | secondaryEventHandler.notify(); | |
994 | } | |
995 | } | |
996 | if (primaryEventHandler != null) { | |
997 | synchronized (primaryEventHandler) { | |
998 | primaryEventHandler.notify(); | |
999 | } | |
7b5261bc KL |
1000 | } |
1001 | ||
92554d64 | 1002 | // Shutdown the user I/O thread(s) |
7b5261bc | 1003 | backend.shutdown(); |
92554d64 KL |
1004 | |
1005 | // Close all the windows. This gives them an opportunity to release | |
1006 | // resources. | |
1007 | closeAllWindows(); | |
1008 | ||
4328bb42 KL |
1009 | } |
1010 | ||
1011 | /** | |
1012 | * Peek at certain application-level events, add to eventQueue, and wake | |
8e688b92 | 1013 | * up the consuming Thread. |
4328bb42 | 1014 | * |
8e688b92 | 1015 | * @param event the input event to consume |
4328bb42 | 1016 | */ |
8e688b92 | 1017 | private void metaHandleEvent(final TInputEvent event) { |
7b5261bc | 1018 | |
a83fea2b KL |
1019 | if (debugEvents) { |
1020 | System.err.printf(String.format("metaHandleEvents event: %s\n", | |
1021 | event)); System.err.flush(); | |
1022 | } | |
7b5261bc | 1023 | |
8e688b92 KL |
1024 | if (quit) { |
1025 | // Do no more processing if the application is already trying | |
1026 | // to exit. | |
1027 | return; | |
1028 | } | |
7b5261bc | 1029 | |
8e688b92 | 1030 | // Special application-wide events ------------------------------- |
7b5261bc | 1031 | |
8e688b92 KL |
1032 | // Abort everything |
1033 | if (event instanceof TCommandEvent) { | |
1034 | TCommandEvent command = (TCommandEvent) event; | |
1035 | if (command.getCmd().equals(cmAbort)) { | |
be72cb5c | 1036 | exit(); |
8e688b92 | 1037 | return; |
7b5261bc | 1038 | } |
8e688b92 | 1039 | } |
7b5261bc | 1040 | |
be72cb5c KL |
1041 | synchronized (drainEventQueue) { |
1042 | // Screen resize | |
1043 | if (event instanceof TResizeEvent) { | |
1044 | TResizeEvent resize = (TResizeEvent) event; | |
1045 | synchronized (getScreen()) { | |
1046 | getScreen().setDimensions(resize.getWidth(), | |
1047 | resize.getHeight()); | |
1048 | desktopBottom = getScreen().getHeight() - 1; | |
1049 | mouseX = 0; | |
1050 | mouseY = 0; | |
1051 | oldMouseX = 0; | |
1052 | oldMouseY = 0; | |
1053 | } | |
1054 | if (desktop != null) { | |
1055 | desktop.setDimensions(0, 0, resize.getWidth(), | |
1056 | resize.getHeight() - 1); | |
1057 | } | |
68c5cd6b KL |
1058 | |
1059 | // Change menu edges if needed. | |
1060 | recomputeMenuX(); | |
1061 | ||
85c07c5e KL |
1062 | // We are dirty, redraw the screen. |
1063 | doRepaint(); | |
be72cb5c | 1064 | return; |
0ee88b6d | 1065 | } |
7b5261bc | 1066 | |
be72cb5c KL |
1067 | // Put into the main queue |
1068 | drainEventQueue.add(event); | |
1069 | } | |
4328bb42 KL |
1070 | } |
1071 | ||
a06459bd KL |
1072 | /** |
1073 | * Dispatch one event to the appropriate widget or application-level | |
fca67db0 KL |
1074 | * event handler. This is the primary event handler, it has the normal |
1075 | * application-wide event handling. | |
a06459bd KL |
1076 | * |
1077 | * @param event the input event to consume | |
fca67db0 | 1078 | * @see #secondaryHandleEvent(TInputEvent event) |
a06459bd | 1079 | */ |
fca67db0 KL |
1080 | private void primaryHandleEvent(final TInputEvent event) { |
1081 | ||
a83fea2b KL |
1082 | if (debugEvents) { |
1083 | System.err.printf("Handle event: %s\n", event); | |
1084 | } | |
b6faeac0 | 1085 | TMouseEvent doubleClick = null; |
fca67db0 KL |
1086 | |
1087 | // Special application-wide events ----------------------------------- | |
1088 | ||
1089 | // Peek at the mouse position | |
1090 | if (event instanceof TMouseEvent) { | |
e8a11f98 KL |
1091 | TMouseEvent mouse = (TMouseEvent) event; |
1092 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
1093 | oldMouseX = mouseX; | |
1094 | oldMouseY = mouseY; | |
1095 | mouseX = mouse.getX(); | |
1096 | mouseY = mouse.getY(); | |
b6faeac0 KL |
1097 | } else { |
1098 | if (mouse.getType() == TMouseEvent.Type.MOUSE_UP) { | |
1099 | if ((mouse.getTime().getTime() - lastMouseUpTime) < | |
1100 | doubleClickTime) { | |
1101 | ||
1102 | // This is a double-click. | |
1103 | doubleClick = new TMouseEvent(TMouseEvent.Type. | |
1104 | MOUSE_DOUBLE_CLICK, | |
1105 | mouse.getX(), mouse.getY(), | |
1106 | mouse.getAbsoluteX(), mouse.getAbsoluteY(), | |
1107 | mouse.isMouse1(), mouse.isMouse2(), | |
1108 | mouse.isMouse3(), | |
1109 | mouse.isMouseWheelUp(), mouse.isMouseWheelDown()); | |
1110 | ||
1111 | } else { | |
1112 | // The first click of a potential double-click. | |
1113 | lastMouseUpTime = mouse.getTime().getTime(); | |
1114 | } | |
1115 | } | |
e8a11f98 KL |
1116 | } |
1117 | ||
fca67db0 KL |
1118 | // See if we need to switch focus to another window or the menu |
1119 | checkSwitchFocus((TMouseEvent) event); | |
1120 | } | |
1121 | ||
1122 | // Handle menu events | |
1123 | if ((activeMenu != null) && !(event instanceof TCommandEvent)) { | |
1124 | TMenu menu = activeMenu; | |
1125 | ||
1126 | if (event instanceof TMouseEvent) { | |
1127 | TMouseEvent mouse = (TMouseEvent) event; | |
1128 | ||
1129 | while (subMenus.size() > 0) { | |
1130 | TMenu subMenu = subMenus.get(subMenus.size() - 1); | |
1131 | if (subMenu.mouseWouldHit(mouse)) { | |
1132 | break; | |
1133 | } | |
1134 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
7c870d89 KL |
1135 | && (!mouse.isMouse1()) |
1136 | && (!mouse.isMouse2()) | |
1137 | && (!mouse.isMouse3()) | |
1138 | && (!mouse.isMouseWheelUp()) | |
1139 | && (!mouse.isMouseWheelDown()) | |
fca67db0 KL |
1140 | ) { |
1141 | break; | |
1142 | } | |
1143 | // We navigated away from a sub-menu, so close it | |
1144 | closeSubMenu(); | |
1145 | } | |
1146 | ||
1147 | // Convert the mouse relative x/y to menu coordinates | |
1148 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
1149 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
1150 | if (subMenus.size() > 0) { | |
1151 | menu = subMenus.get(subMenus.size() - 1); | |
1152 | } | |
1153 | mouse.setX(mouse.getX() - menu.getX()); | |
1154 | mouse.setY(mouse.getY() - menu.getY()); | |
1155 | } | |
1156 | menu.handleEvent(event); | |
1157 | return; | |
1158 | } | |
a06459bd | 1159 | |
fca67db0 KL |
1160 | if (event instanceof TKeypressEvent) { |
1161 | TKeypressEvent keypress = (TKeypressEvent) event; | |
e826b451 | 1162 | |
5dfd1c11 KL |
1163 | // See if this key matches an accelerator, and is not being |
1164 | // shortcutted by the active window, and if so dispatch the menu | |
1165 | // event. | |
1166 | boolean windowWillShortcut = false; | |
92453213 KL |
1167 | if (activeWindow != null) { |
1168 | assert (activeWindow.isShown()); | |
1169 | if (activeWindow.isShortcutKeypress(keypress.getKey())) { | |
1170 | // We do not process this key, it will be passed to the | |
1171 | // window instead. | |
1172 | windowWillShortcut = true; | |
5dfd1c11 | 1173 | } |
e826b451 | 1174 | } |
5dfd1c11 | 1175 | |
2ce6dab2 | 1176 | if (!windowWillShortcut && !modalWindowActive()) { |
5dfd1c11 KL |
1177 | TKeypress keypressLowercase = keypress.getKey().toLowerCase(); |
1178 | TMenuItem item = null; | |
1179 | synchronized (accelerators) { | |
1180 | item = accelerators.get(keypressLowercase); | |
1181 | } | |
1182 | if (item != null) { | |
1183 | if (item.isEnabled()) { | |
1184 | // Let the menu item dispatch | |
1185 | item.dispatch(); | |
1186 | return; | |
1187 | } | |
fca67db0 | 1188 | } |
5dfd1c11 | 1189 | |
2ce6dab2 KL |
1190 | // Handle the keypress |
1191 | if (onKeypress(keypress)) { | |
1192 | return; | |
1193 | } | |
bd8d51fa | 1194 | } |
fca67db0 | 1195 | } |
a06459bd | 1196 | |
fca67db0 KL |
1197 | if (event instanceof TCommandEvent) { |
1198 | if (onCommand((TCommandEvent) event)) { | |
1199 | return; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | if (event instanceof TMenuEvent) { | |
1204 | if (onMenu((TMenuEvent) event)) { | |
1205 | return; | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | // Dispatch events to the active window ------------------------------- | |
0ee88b6d | 1210 | boolean dispatchToDesktop = true; |
92453213 KL |
1211 | TWindow window = activeWindow; |
1212 | if (window != null) { | |
1213 | assert (window.isActive()); | |
1214 | assert (window.isShown()); | |
1215 | if (event instanceof TMouseEvent) { | |
1216 | TMouseEvent mouse = (TMouseEvent) event; | |
1217 | // Convert the mouse relative x/y to window coordinates | |
1218 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
1219 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
1220 | mouse.setX(mouse.getX() - window.getX()); | |
1221 | mouse.setY(mouse.getY() - window.getY()); | |
1222 | ||
b6faeac0 KL |
1223 | if (doubleClick != null) { |
1224 | doubleClick.setX(doubleClick.getX() - window.getX()); | |
1225 | doubleClick.setY(doubleClick.getY() - window.getY()); | |
1226 | } | |
1227 | ||
92453213 | 1228 | if (window.mouseWouldHit(mouse)) { |
0ee88b6d | 1229 | dispatchToDesktop = false; |
fca67db0 | 1230 | } |
92453213 KL |
1231 | } else if (event instanceof TKeypressEvent) { |
1232 | dispatchToDesktop = false; | |
1233 | } | |
0ee88b6d | 1234 | |
92453213 KL |
1235 | if (debugEvents) { |
1236 | System.err.printf("TApplication dispatch event: %s\n", | |
1237 | event); | |
fca67db0 | 1238 | } |
92453213 | 1239 | window.handleEvent(event); |
b6faeac0 KL |
1240 | if (doubleClick != null) { |
1241 | window.handleEvent(doubleClick); | |
1242 | } | |
fca67db0 | 1243 | } |
0ee88b6d KL |
1244 | if (dispatchToDesktop) { |
1245 | // This event is fair game for the desktop to process. | |
1246 | if (desktop != null) { | |
1247 | desktop.handleEvent(event); | |
b6faeac0 KL |
1248 | if (doubleClick != null) { |
1249 | desktop.handleEvent(doubleClick); | |
1250 | } | |
0ee88b6d KL |
1251 | } |
1252 | } | |
fca67db0 | 1253 | } |
0ee88b6d | 1254 | |
fca67db0 KL |
1255 | /** |
1256 | * Dispatch one event to the appropriate widget or application-level | |
1257 | * event handler. This is the secondary event handler used by certain | |
1258 | * special dialogs (currently TMessageBox and TFileOpenBox). | |
1259 | * | |
1260 | * @param event the input event to consume | |
1261 | * @see #primaryHandleEvent(TInputEvent event) | |
1262 | */ | |
1263 | private void secondaryHandleEvent(final TInputEvent event) { | |
b6faeac0 KL |
1264 | TMouseEvent doubleClick = null; |
1265 | ||
e8a11f98 KL |
1266 | // Peek at the mouse position |
1267 | if (event instanceof TMouseEvent) { | |
1268 | TMouseEvent mouse = (TMouseEvent) event; | |
1269 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
1270 | oldMouseX = mouseX; | |
1271 | oldMouseY = mouseY; | |
1272 | mouseX = mouse.getX(); | |
1273 | mouseY = mouse.getY(); | |
b6faeac0 KL |
1274 | } else { |
1275 | if (mouse.getType() == TMouseEvent.Type.MOUSE_UP) { | |
1276 | if ((mouse.getTime().getTime() - lastMouseUpTime) < | |
1277 | doubleClickTime) { | |
1278 | ||
1279 | // This is a double-click. | |
1280 | doubleClick = new TMouseEvent(TMouseEvent.Type. | |
1281 | MOUSE_DOUBLE_CLICK, | |
1282 | mouse.getX(), mouse.getY(), | |
1283 | mouse.getAbsoluteX(), mouse.getAbsoluteY(), | |
1284 | mouse.isMouse1(), mouse.isMouse2(), | |
1285 | mouse.isMouse3(), | |
1286 | mouse.isMouseWheelUp(), mouse.isMouseWheelDown()); | |
1287 | ||
1288 | } else { | |
1289 | // The first click of a potential double-click. | |
1290 | lastMouseUpTime = mouse.getTime().getTime(); | |
1291 | } | |
1292 | } | |
e8a11f98 KL |
1293 | } |
1294 | } | |
1295 | ||
c6940ed9 | 1296 | secondaryEventReceiver.handleEvent(event); |
b6faeac0 KL |
1297 | if (doubleClick != null) { |
1298 | secondaryEventReceiver.handleEvent(doubleClick); | |
1299 | } | |
c6940ed9 KL |
1300 | } |
1301 | ||
1302 | /** | |
1303 | * Enable a widget to override the primary event thread. | |
1304 | * | |
1305 | * @param widget widget that will receive events | |
1306 | */ | |
1307 | public final void enableSecondaryEventReceiver(final TWidget widget) { | |
be72cb5c KL |
1308 | if (debugThreads) { |
1309 | System.err.println(System.currentTimeMillis() + | |
1310 | " enableSecondaryEventReceiver()"); | |
1311 | } | |
1312 | ||
c6940ed9 KL |
1313 | assert (secondaryEventReceiver == null); |
1314 | assert (secondaryEventHandler == null); | |
a043164f KL |
1315 | assert ((widget instanceof TMessageBox) |
1316 | || (widget instanceof TFileOpenBox)); | |
c6940ed9 KL |
1317 | secondaryEventReceiver = widget; |
1318 | secondaryEventHandler = new WidgetEventHandler(this, false); | |
be72cb5c | 1319 | |
c6940ed9 | 1320 | (new Thread(secondaryEventHandler)).start(); |
c6940ed9 KL |
1321 | } |
1322 | ||
1323 | /** | |
1324 | * Yield to the secondary thread. | |
1325 | */ | |
1326 | public final void yield() { | |
1327 | assert (secondaryEventReceiver != null); | |
99144c71 | 1328 | |
c6940ed9 | 1329 | while (secondaryEventReceiver != null) { |
92554d64 | 1330 | synchronized (primaryEventHandler) { |
c6940ed9 | 1331 | try { |
92554d64 | 1332 | primaryEventHandler.wait(); |
c6940ed9 KL |
1333 | } catch (InterruptedException e) { |
1334 | // SQUASH | |
1335 | } | |
1336 | } | |
1337 | } | |
a06459bd KL |
1338 | } |
1339 | ||
4328bb42 KL |
1340 | /** |
1341 | * Do stuff when there is no user input. | |
1342 | */ | |
1343 | private void doIdle() { | |
99144c71 | 1344 | if (debugThreads) { |
be72cb5c KL |
1345 | System.err.printf(System.currentTimeMillis() + " " + |
1346 | Thread.currentThread() + " doIdle()\n"); | |
99144c71 KL |
1347 | } |
1348 | ||
be72cb5c KL |
1349 | synchronized (timers) { |
1350 | ||
1351 | if (debugThreads) { | |
1352 | System.err.printf(System.currentTimeMillis() + " " + | |
1353 | Thread.currentThread() + " doIdle() 2\n"); | |
1354 | } | |
1355 | ||
1356 | // Run any timers that have timed out | |
1357 | Date now = new Date(); | |
1358 | List<TTimer> keepTimers = new LinkedList<TTimer>(); | |
1359 | for (TTimer timer: timers) { | |
1360 | if (timer.getNextTick().getTime() <= now.getTime()) { | |
1361 | // Something might change, so repaint the screen. | |
1362 | repaint = true; | |
1363 | timer.tick(); | |
1364 | if (timer.recurring) { | |
1365 | keepTimers.add(timer); | |
1366 | } | |
1367 | } else { | |
d502a0e9 | 1368 | keepTimers.add(timer); |
7b5261bc | 1369 | } |
7b5261bc | 1370 | } |
be72cb5c | 1371 | timers = keepTimers; |
7b5261bc | 1372 | } |
7b5261bc KL |
1373 | |
1374 | // Call onIdle's | |
d502a0e9 KL |
1375 | for (TWindow window: windows) { |
1376 | window.onIdle(); | |
7b5261bc | 1377 | } |
92453213 KL |
1378 | if (desktop != null) { |
1379 | desktop.onIdle(); | |
1380 | } | |
4328bb42 | 1381 | } |
7d4115a5 | 1382 | |
2ce6dab2 KL |
1383 | // ------------------------------------------------------------------------ |
1384 | // TWindow management ----------------------------------------------------- | |
1385 | // ------------------------------------------------------------------------ | |
4328bb42 | 1386 | |
92453213 KL |
1387 | /** |
1388 | * Return the total number of windows. | |
1389 | * | |
1390 | * @return the total number of windows | |
1391 | */ | |
1392 | public final int windowCount() { | |
1393 | return windows.size(); | |
1394 | } | |
1395 | ||
1396 | /** | |
8c236a98 | 1397 | * Return the number of windows that are showing. |
92453213 | 1398 | * |
8c236a98 | 1399 | * @return the number of windows that are showing on screen |
92453213 KL |
1400 | */ |
1401 | public final int shownWindowCount() { | |
1402 | int n = 0; | |
1403 | for (TWindow w: windows) { | |
1404 | if (w.isShown()) { | |
1405 | n++; | |
1406 | } | |
1407 | } | |
1408 | return n; | |
1409 | } | |
1410 | ||
8c236a98 KL |
1411 | /** |
1412 | * Return the number of windows that are hidden. | |
1413 | * | |
1414 | * @return the number of windows that are hidden | |
1415 | */ | |
1416 | public final int hiddenWindowCount() { | |
1417 | int n = 0; | |
1418 | for (TWindow w: windows) { | |
1419 | if (w.isHidden()) { | |
1420 | n++; | |
1421 | } | |
1422 | } | |
1423 | return n; | |
1424 | } | |
1425 | ||
92453213 KL |
1426 | /** |
1427 | * Check if a window instance is in this application's window list. | |
1428 | * | |
1429 | * @param window window to look for | |
1430 | * @return true if this window is in the list | |
1431 | */ | |
1432 | public final boolean hasWindow(final TWindow window) { | |
1433 | if (windows.size() == 0) { | |
1434 | return false; | |
1435 | } | |
1436 | for (TWindow w: windows) { | |
1437 | if (w == window) { | |
8c236a98 | 1438 | assert (window.getApplication() == this); |
92453213 KL |
1439 | return true; |
1440 | } | |
1441 | } | |
1442 | return false; | |
1443 | } | |
1444 | ||
1445 | /** | |
1446 | * Activate a window: bring it to the top and have it receive events. | |
1447 | * | |
1448 | * @param window the window to become the new active window | |
1449 | */ | |
1450 | public void activateWindow(final TWindow window) { | |
1451 | if (hasWindow(window) == false) { | |
1452 | /* | |
1453 | * Someone has a handle to a window I don't have. Ignore this | |
1454 | * request. | |
1455 | */ | |
1456 | return; | |
1457 | } | |
1458 | ||
fe0770f9 KL |
1459 | // Whatever window might be moving/dragging, stop it now. |
1460 | for (TWindow w: windows) { | |
1461 | if (w.inMovements()) { | |
1462 | w.stopMovements(); | |
1463 | } | |
1464 | } | |
1465 | ||
92453213 KL |
1466 | assert (windows.size() > 0); |
1467 | ||
1468 | if (window.isHidden()) { | |
1469 | // Unhiding will also activate. | |
1470 | showWindow(window); | |
1471 | return; | |
1472 | } | |
1473 | assert (window.isShown()); | |
1474 | ||
1475 | if (windows.size() == 1) { | |
1476 | assert (window == windows.get(0)); | |
1477 | if (activeWindow == null) { | |
1478 | activeWindow = window; | |
1479 | window.setZ(0); | |
1480 | activeWindow.setActive(true); | |
1481 | activeWindow.onFocus(); | |
1482 | } | |
1483 | ||
1484 | assert (window.isActive()); | |
1485 | assert (activeWindow == window); | |
1486 | return; | |
1487 | } | |
1488 | ||
1489 | if (activeWindow == window) { | |
1490 | assert (window.isActive()); | |
1491 | ||
1492 | // Window is already active, do nothing. | |
1493 | return; | |
1494 | } | |
1495 | ||
1496 | assert (!window.isActive()); | |
1497 | if (activeWindow != null) { | |
1498 | assert (activeWindow.getZ() == 0); | |
1499 | ||
92453213 KL |
1500 | activeWindow.setActive(false); |
1501 | activeWindow.setZ(window.getZ()); | |
499fdccf KL |
1502 | |
1503 | // Unset activeWindow now before unfocus, so that a window | |
1504 | // lifecycle change inside onUnfocus() doesn't call | |
1505 | // switchWindow() and lead to a stack overflow. | |
1506 | TWindow oldActiveWindow = activeWindow; | |
1507 | activeWindow = null; | |
1508 | oldActiveWindow.onUnfocus(); | |
92453213 KL |
1509 | } |
1510 | activeWindow = window; | |
1511 | activeWindow.setZ(0); | |
1512 | activeWindow.setActive(true); | |
1513 | activeWindow.onFocus(); | |
1514 | return; | |
1515 | } | |
1516 | ||
1517 | /** | |
1518 | * Hide a window. | |
1519 | * | |
1520 | * @param window the window to hide | |
1521 | */ | |
1522 | public void hideWindow(final TWindow window) { | |
1523 | if (hasWindow(window) == false) { | |
1524 | /* | |
1525 | * Someone has a handle to a window I don't have. Ignore this | |
1526 | * request. | |
1527 | */ | |
1528 | return; | |
1529 | } | |
1530 | ||
fe0770f9 KL |
1531 | // Whatever window might be moving/dragging, stop it now. |
1532 | for (TWindow w: windows) { | |
1533 | if (w.inMovements()) { | |
1534 | w.stopMovements(); | |
1535 | } | |
1536 | } | |
1537 | ||
92453213 KL |
1538 | assert (windows.size() > 0); |
1539 | ||
1540 | if (!window.hidden) { | |
1541 | if (window == activeWindow) { | |
1542 | if (shownWindowCount() > 1) { | |
1543 | switchWindow(true); | |
1544 | } else { | |
1545 | activeWindow = null; | |
1546 | window.setActive(false); | |
1547 | window.onUnfocus(); | |
1548 | } | |
1549 | } | |
1550 | window.hidden = true; | |
1551 | window.onHide(); | |
1552 | } | |
1553 | } | |
1554 | ||
1555 | /** | |
1556 | * Show a window. | |
1557 | * | |
1558 | * @param window the window to show | |
1559 | */ | |
1560 | public void showWindow(final TWindow window) { | |
1561 | if (hasWindow(window) == false) { | |
1562 | /* | |
1563 | * Someone has a handle to a window I don't have. Ignore this | |
1564 | * request. | |
1565 | */ | |
1566 | return; | |
1567 | } | |
1568 | ||
fe0770f9 KL |
1569 | // Whatever window might be moving/dragging, stop it now. |
1570 | for (TWindow w: windows) { | |
1571 | if (w.inMovements()) { | |
1572 | w.stopMovements(); | |
1573 | } | |
1574 | } | |
1575 | ||
92453213 KL |
1576 | assert (windows.size() > 0); |
1577 | ||
1578 | if (window.hidden) { | |
1579 | window.hidden = false; | |
1580 | window.onShow(); | |
1581 | activateWindow(window); | |
1582 | } | |
1583 | } | |
1584 | ||
48e27807 KL |
1585 | /** |
1586 | * Close window. Note that the window's destructor is NOT called by this | |
1587 | * method, instead the GC is assumed to do the cleanup. | |
1588 | * | |
1589 | * @param window the window to remove | |
1590 | */ | |
1591 | public final void closeWindow(final TWindow window) { | |
92453213 KL |
1592 | if (hasWindow(window) == false) { |
1593 | /* | |
1594 | * Someone has a handle to a window I don't have. Ignore this | |
1595 | * request. | |
1596 | */ | |
1597 | return; | |
1598 | } | |
1599 | ||
bb35d919 | 1600 | synchronized (windows) { |
fe0770f9 KL |
1601 | // Whatever window might be moving/dragging, stop it now. |
1602 | for (TWindow w: windows) { | |
1603 | if (w.inMovements()) { | |
1604 | w.stopMovements(); | |
1605 | } | |
1606 | } | |
1607 | ||
bb35d919 KL |
1608 | int z = window.getZ(); |
1609 | window.setZ(-1); | |
efb7af1f | 1610 | window.onUnfocus(); |
bb35d919 KL |
1611 | Collections.sort(windows); |
1612 | windows.remove(0); | |
92453213 | 1613 | activeWindow = null; |
bb35d919 KL |
1614 | for (TWindow w: windows) { |
1615 | if (w.getZ() > z) { | |
1616 | w.setZ(w.getZ() - 1); | |
1617 | if (w.getZ() == 0) { | |
1618 | w.setActive(true); | |
efb7af1f | 1619 | w.onFocus(); |
bb35d919 KL |
1620 | assert (activeWindow == null); |
1621 | activeWindow = w; | |
1622 | } else { | |
efb7af1f KL |
1623 | if (w.isActive()) { |
1624 | w.setActive(false); | |
1625 | w.onUnfocus(); | |
1626 | } | |
bb35d919 | 1627 | } |
48e27807 KL |
1628 | } |
1629 | } | |
1630 | } | |
1631 | ||
1632 | // Perform window cleanup | |
1633 | window.onClose(); | |
1634 | ||
48e27807 | 1635 | // Check if we are closing a TMessageBox or similar |
c6940ed9 KL |
1636 | if (secondaryEventReceiver != null) { |
1637 | assert (secondaryEventHandler != null); | |
48e27807 KL |
1638 | |
1639 | // Do not send events to the secondaryEventReceiver anymore, the | |
1640 | // window is closed. | |
1641 | secondaryEventReceiver = null; | |
1642 | ||
92554d64 KL |
1643 | // Wake the secondary thread, it will wake the primary as it |
1644 | // exits. | |
1645 | synchronized (secondaryEventHandler) { | |
1646 | secondaryEventHandler.notify(); | |
48e27807 KL |
1647 | } |
1648 | } | |
92453213 KL |
1649 | |
1650 | // Permit desktop to be active if it is the only thing left. | |
1651 | if (desktop != null) { | |
1652 | if (windows.size() == 0) { | |
1653 | desktop.setActive(true); | |
1654 | } | |
1655 | } | |
48e27807 KL |
1656 | } |
1657 | ||
1658 | /** | |
1659 | * Switch to the next window. | |
1660 | * | |
1661 | * @param forward if true, then switch to the next window in the list, | |
1662 | * otherwise switch to the previous window in the list | |
1663 | */ | |
1664 | public final void switchWindow(final boolean forward) { | |
8c236a98 KL |
1665 | // Only switch if there are multiple visible windows |
1666 | if (shownWindowCount() < 2) { | |
48e27807 KL |
1667 | return; |
1668 | } | |
92453213 | 1669 | assert (activeWindow != null); |
48e27807 | 1670 | |
bb35d919 | 1671 | synchronized (windows) { |
fe0770f9 KL |
1672 | // Whatever window might be moving/dragging, stop it now. |
1673 | for (TWindow w: windows) { | |
1674 | if (w.inMovements()) { | |
1675 | w.stopMovements(); | |
1676 | } | |
1677 | } | |
bb35d919 KL |
1678 | |
1679 | // Swap z/active between active window and the next in the list | |
1680 | int activeWindowI = -1; | |
1681 | for (int i = 0; i < windows.size(); i++) { | |
92453213 KL |
1682 | if (windows.get(i) == activeWindow) { |
1683 | assert (activeWindow.isActive()); | |
bb35d919 KL |
1684 | activeWindowI = i; |
1685 | break; | |
92453213 KL |
1686 | } else { |
1687 | assert (!windows.get(0).isActive()); | |
bb35d919 | 1688 | } |
48e27807 | 1689 | } |
bb35d919 | 1690 | assert (activeWindowI >= 0); |
48e27807 | 1691 | |
bb35d919 | 1692 | // Do not switch if a window is modal |
92453213 | 1693 | if (activeWindow.isModal()) { |
bb35d919 KL |
1694 | return; |
1695 | } | |
48e27807 | 1696 | |
8c236a98 KL |
1697 | int nextWindowI = activeWindowI; |
1698 | for (;;) { | |
1699 | if (forward) { | |
1700 | nextWindowI++; | |
1701 | nextWindowI %= windows.size(); | |
bb35d919 | 1702 | } else { |
8c236a98 KL |
1703 | nextWindowI--; |
1704 | if (nextWindowI < 0) { | |
1705 | nextWindowI = windows.size() - 1; | |
1706 | } | |
bb35d919 | 1707 | } |
bb35d919 | 1708 | |
8c236a98 KL |
1709 | if (windows.get(nextWindowI).isShown()) { |
1710 | activateWindow(windows.get(nextWindowI)); | |
1711 | break; | |
1712 | } | |
1713 | } | |
bb35d919 | 1714 | } // synchronized (windows) |
48e27807 | 1715 | |
48e27807 KL |
1716 | } |
1717 | ||
1718 | /** | |
1719 | * Add a window to my window list and make it active. | |
1720 | * | |
1721 | * @param window new window to add | |
1722 | */ | |
1723 | public final void addWindow(final TWindow window) { | |
a7986f7b KL |
1724 | |
1725 | // Do not add menu windows to the window list. | |
1726 | if (window instanceof TMenu) { | |
1727 | return; | |
1728 | } | |
1729 | ||
0ee88b6d KL |
1730 | // Do not add the desktop to the window list. |
1731 | if (window instanceof TDesktop) { | |
1732 | return; | |
1733 | } | |
1734 | ||
bb35d919 | 1735 | synchronized (windows) { |
fe0770f9 KL |
1736 | // Whatever window might be moving/dragging, stop it now. |
1737 | for (TWindow w: windows) { | |
1738 | if (w.inMovements()) { | |
1739 | w.stopMovements(); | |
1740 | } | |
1741 | } | |
1742 | ||
2ce6dab2 KL |
1743 | // Do not allow a modal window to spawn a non-modal window. If a |
1744 | // modal window is active, then this window will become modal | |
1745 | // too. | |
1746 | if (modalWindowActive()) { | |
1747 | window.flags |= TWindow.MODAL; | |
a7986f7b | 1748 | window.flags |= TWindow.CENTERED; |
92453213 | 1749 | window.hidden = false; |
bb35d919 | 1750 | } |
92453213 KL |
1751 | if (window.isShown()) { |
1752 | for (TWindow w: windows) { | |
1753 | if (w.isActive()) { | |
1754 | w.setActive(false); | |
1755 | w.onUnfocus(); | |
1756 | } | |
1757 | w.setZ(w.getZ() + 1); | |
efb7af1f | 1758 | } |
bb35d919 KL |
1759 | } |
1760 | windows.add(window); | |
92453213 KL |
1761 | if (window.isShown()) { |
1762 | activeWindow = window; | |
1763 | activeWindow.setZ(0); | |
1764 | activeWindow.setActive(true); | |
1765 | activeWindow.onFocus(); | |
1766 | } | |
a7986f7b KL |
1767 | |
1768 | if (((window.flags & TWindow.CENTERED) == 0) | |
1769 | && smartWindowPlacement) { | |
1770 | ||
1771 | doSmartPlacement(window); | |
1772 | } | |
48e27807 | 1773 | } |
92453213 KL |
1774 | |
1775 | // Desktop cannot be active over any other window. | |
1776 | if (desktop != null) { | |
1777 | desktop.setActive(false); | |
1778 | } | |
48e27807 KL |
1779 | } |
1780 | ||
fca67db0 KL |
1781 | /** |
1782 | * Check if there is a system-modal window on top. | |
1783 | * | |
1784 | * @return true if the active window is modal | |
1785 | */ | |
1786 | private boolean modalWindowActive() { | |
1787 | if (windows.size() == 0) { | |
1788 | return false; | |
1789 | } | |
2ce6dab2 KL |
1790 | |
1791 | for (TWindow w: windows) { | |
1792 | if (w.isModal()) { | |
1793 | return true; | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | return false; | |
1798 | } | |
1799 | ||
1800 | /** | |
1801 | * Close all open windows. | |
1802 | */ | |
1803 | private void closeAllWindows() { | |
1804 | // Don't do anything if we are in the menu | |
1805 | if (activeMenu != null) { | |
1806 | return; | |
1807 | } | |
1808 | while (windows.size() > 0) { | |
1809 | closeWindow(windows.get(0)); | |
1810 | } | |
fca67db0 KL |
1811 | } |
1812 | ||
2ce6dab2 KL |
1813 | /** |
1814 | * Re-layout the open windows as non-overlapping tiles. This produces | |
1815 | * almost the same results as Turbo Pascal 7.0's IDE. | |
1816 | */ | |
1817 | private void tileWindows() { | |
1818 | synchronized (windows) { | |
1819 | // Don't do anything if we are in the menu | |
1820 | if (activeMenu != null) { | |
1821 | return; | |
1822 | } | |
1823 | int z = windows.size(); | |
1824 | if (z == 0) { | |
1825 | return; | |
1826 | } | |
1827 | int a = 0; | |
1828 | int b = 0; | |
1829 | a = (int)(Math.sqrt(z)); | |
1830 | int c = 0; | |
1831 | while (c < a) { | |
1832 | b = (z - c) / a; | |
1833 | if (((a * b) + c) == z) { | |
1834 | break; | |
1835 | } | |
1836 | c++; | |
1837 | } | |
1838 | assert (a > 0); | |
1839 | assert (b > 0); | |
1840 | assert (c < a); | |
1841 | int newWidth = (getScreen().getWidth() / a); | |
1842 | int newHeight1 = ((getScreen().getHeight() - 1) / b); | |
1843 | int newHeight2 = ((getScreen().getHeight() - 1) / (b + c)); | |
1844 | ||
1845 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1846 | Collections.sort(sorted); | |
1847 | Collections.reverse(sorted); | |
1848 | for (int i = 0; i < sorted.size(); i++) { | |
1849 | int logicalX = i / b; | |
1850 | int logicalY = i % b; | |
1851 | if (i >= ((a - 1) * b)) { | |
1852 | logicalX = a - 1; | |
1853 | logicalY = i - ((a - 1) * b); | |
1854 | } | |
1855 | ||
1856 | TWindow w = sorted.get(i); | |
1857 | w.setX(logicalX * newWidth); | |
1858 | w.setWidth(newWidth); | |
1859 | if (i >= ((a - 1) * b)) { | |
1860 | w.setY((logicalY * newHeight2) + 1); | |
1861 | w.setHeight(newHeight2); | |
1862 | } else { | |
1863 | w.setY((logicalY * newHeight1) + 1); | |
1864 | w.setHeight(newHeight1); | |
1865 | } | |
1866 | } | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | /** | |
1871 | * Re-layout the open windows as overlapping cascaded windows. | |
1872 | */ | |
1873 | private void cascadeWindows() { | |
1874 | synchronized (windows) { | |
1875 | // Don't do anything if we are in the menu | |
1876 | if (activeMenu != null) { | |
1877 | return; | |
1878 | } | |
1879 | int x = 0; | |
1880 | int y = 1; | |
1881 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1882 | Collections.sort(sorted); | |
1883 | Collections.reverse(sorted); | |
1884 | for (TWindow window: sorted) { | |
1885 | window.setX(x); | |
1886 | window.setY(y); | |
1887 | x++; | |
1888 | y++; | |
1889 | if (x > getScreen().getWidth()) { | |
1890 | x = 0; | |
1891 | } | |
1892 | if (y >= getScreen().getHeight()) { | |
1893 | y = 1; | |
1894 | } | |
1895 | } | |
1896 | } | |
1897 | } | |
1898 | ||
a7986f7b KL |
1899 | /** |
1900 | * Place a window to minimize its overlap with other windows. | |
1901 | * | |
1902 | * @param window the window to place | |
1903 | */ | |
1904 | public final void doSmartPlacement(final TWindow window) { | |
1905 | // This is a pretty dumb algorithm, but seems to work. The hardest | |
1906 | // part is computing these "overlap" values seeking a minimum average | |
1907 | // overlap. | |
1908 | int xMin = 0; | |
1909 | int yMin = desktopTop; | |
1910 | int xMax = getScreen().getWidth() - window.getWidth() + 1; | |
1911 | int yMax = desktopBottom - window.getHeight() + 1; | |
1912 | if (xMax < xMin) { | |
1913 | xMax = xMin; | |
1914 | } | |
1915 | if (yMax < yMin) { | |
1916 | yMax = yMin; | |
1917 | } | |
1918 | ||
1919 | if ((xMin == xMax) && (yMin == yMax)) { | |
1920 | // No work to do, bail out. | |
1921 | return; | |
1922 | } | |
1923 | ||
1924 | // Compute the overlap matrix without the new window. | |
1925 | int width = getScreen().getWidth(); | |
1926 | int height = getScreen().getHeight(); | |
1927 | int overlapMatrix[][] = new int[width][height]; | |
1928 | for (TWindow w: windows) { | |
1929 | if (window == w) { | |
1930 | continue; | |
1931 | } | |
1932 | for (int x = w.getX(); x < w.getX() + w.getWidth(); x++) { | |
8c236a98 | 1933 | if (x >= width) { |
a7986f7b KL |
1934 | continue; |
1935 | } | |
1936 | for (int y = w.getY(); y < w.getY() + w.getHeight(); y++) { | |
8c236a98 | 1937 | if (y >= height) { |
a7986f7b KL |
1938 | continue; |
1939 | } | |
1940 | overlapMatrix[x][y]++; | |
1941 | } | |
1942 | } | |
1943 | } | |
1944 | ||
1945 | long oldOverlapTotal = 0; | |
1946 | long oldOverlapN = 0; | |
1947 | for (int x = 0; x < width; x++) { | |
1948 | for (int y = 0; y < height; y++) { | |
1949 | oldOverlapTotal += overlapMatrix[x][y]; | |
1950 | if (overlapMatrix[x][y] > 0) { | |
1951 | oldOverlapN++; | |
1952 | } | |
1953 | } | |
1954 | } | |
1955 | ||
1956 | ||
1957 | double oldOverlapAvg = (double) oldOverlapTotal / (double) oldOverlapN; | |
1958 | boolean first = true; | |
1959 | int windowX = window.getX(); | |
1960 | int windowY = window.getY(); | |
1961 | ||
1962 | // For each possible (x, y) position for the new window, compute a | |
1963 | // new overlap matrix. | |
1964 | for (int x = xMin; x < xMax; x++) { | |
1965 | for (int y = yMin; y < yMax; y++) { | |
1966 | ||
1967 | // Start with the matrix minus this window. | |
1968 | int newMatrix[][] = new int[width][height]; | |
1969 | for (int mx = 0; mx < width; mx++) { | |
1970 | for (int my = 0; my < height; my++) { | |
1971 | newMatrix[mx][my] = overlapMatrix[mx][my]; | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | // Add this window's values to the new overlap matrix. | |
1976 | long newOverlapTotal = 0; | |
1977 | long newOverlapN = 0; | |
1978 | // Start by adding each new cell. | |
1979 | for (int wx = x; wx < x + window.getWidth(); wx++) { | |
8c236a98 | 1980 | if (wx >= width) { |
a7986f7b KL |
1981 | continue; |
1982 | } | |
1983 | for (int wy = y; wy < y + window.getHeight(); wy++) { | |
8c236a98 | 1984 | if (wy >= height) { |
a7986f7b KL |
1985 | continue; |
1986 | } | |
1987 | newMatrix[wx][wy]++; | |
1988 | } | |
1989 | } | |
1990 | // Now figure out the new value for total coverage. | |
1991 | for (int mx = 0; mx < width; mx++) { | |
1992 | for (int my = 0; my < height; my++) { | |
1993 | newOverlapTotal += newMatrix[x][y]; | |
1994 | if (newMatrix[mx][my] > 0) { | |
1995 | newOverlapN++; | |
1996 | } | |
1997 | } | |
1998 | } | |
1999 | double newOverlapAvg = (double) newOverlapTotal / (double) newOverlapN; | |
2000 | ||
2001 | if (first) { | |
2002 | // First time: just record what we got. | |
2003 | oldOverlapAvg = newOverlapAvg; | |
2004 | first = false; | |
2005 | } else { | |
2006 | // All other times: pick a new best (x, y) and save the | |
2007 | // overlap value. | |
2008 | if (newOverlapAvg < oldOverlapAvg) { | |
2009 | windowX = x; | |
2010 | windowY = y; | |
2011 | oldOverlapAvg = newOverlapAvg; | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | } // for (int x = xMin; x < xMax; x++) | |
2016 | ||
2017 | } // for (int y = yMin; y < yMax; y++) | |
2018 | ||
2019 | // Finally, set the window's new coordinates. | |
2020 | window.setX(windowX); | |
2021 | window.setY(windowY); | |
2022 | } | |
2023 | ||
2ce6dab2 KL |
2024 | // ------------------------------------------------------------------------ |
2025 | // TMenu management ------------------------------------------------------- | |
2026 | // ------------------------------------------------------------------------ | |
2027 | ||
fca67db0 KL |
2028 | /** |
2029 | * Check if a mouse event would hit either the active menu or any open | |
2030 | * sub-menus. | |
2031 | * | |
2032 | * @param mouse mouse event | |
2033 | * @return true if the mouse would hit the active menu or an open | |
2034 | * sub-menu | |
2035 | */ | |
2036 | private boolean mouseOnMenu(final TMouseEvent mouse) { | |
2037 | assert (activeMenu != null); | |
2038 | List<TMenu> menus = new LinkedList<TMenu>(subMenus); | |
2039 | Collections.reverse(menus); | |
2040 | for (TMenu menu: menus) { | |
2041 | if (menu.mouseWouldHit(mouse)) { | |
2042 | return true; | |
2043 | } | |
2044 | } | |
2045 | return activeMenu.mouseWouldHit(mouse); | |
2046 | } | |
2047 | ||
2048 | /** | |
2049 | * See if we need to switch window or activate the menu based on | |
2050 | * a mouse click. | |
2051 | * | |
2052 | * @param mouse mouse event | |
2053 | */ | |
2054 | private void checkSwitchFocus(final TMouseEvent mouse) { | |
2055 | ||
2056 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
2057 | && (activeMenu != null) | |
2058 | && (mouse.getAbsoluteY() != 0) | |
2059 | && (!mouseOnMenu(mouse)) | |
2060 | ) { | |
2061 | // They clicked outside the active menu, turn it off | |
2062 | activeMenu.setActive(false); | |
2063 | activeMenu = null; | |
2064 | for (TMenu menu: subMenus) { | |
2065 | menu.setActive(false); | |
2066 | } | |
2067 | subMenus.clear(); | |
2068 | // Continue checks | |
2069 | } | |
2070 | ||
2071 | // See if they hit the menu bar | |
2072 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
7c870d89 | 2073 | && (mouse.isMouse1()) |
fca67db0 KL |
2074 | && (!modalWindowActive()) |
2075 | && (mouse.getAbsoluteY() == 0) | |
2076 | ) { | |
2077 | ||
2078 | for (TMenu menu: subMenus) { | |
2079 | menu.setActive(false); | |
2080 | } | |
2081 | subMenus.clear(); | |
2082 | ||
2083 | // They selected the menu, go activate it | |
2084 | for (TMenu menu: menus) { | |
159f076d KL |
2085 | if ((mouse.getAbsoluteX() >= menu.getTitleX()) |
2086 | && (mouse.getAbsoluteX() < menu.getTitleX() | |
fca67db0 KL |
2087 | + menu.getTitle().length() + 2) |
2088 | ) { | |
2089 | menu.setActive(true); | |
2090 | activeMenu = menu; | |
2091 | } else { | |
2092 | menu.setActive(false); | |
2093 | } | |
2094 | } | |
fca67db0 KL |
2095 | return; |
2096 | } | |
2097 | ||
2098 | // See if they hit the menu bar | |
2099 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
7c870d89 | 2100 | && (mouse.isMouse1()) |
fca67db0 KL |
2101 | && (activeMenu != null) |
2102 | && (mouse.getAbsoluteY() == 0) | |
2103 | ) { | |
2104 | ||
2105 | TMenu oldMenu = activeMenu; | |
2106 | for (TMenu menu: subMenus) { | |
2107 | menu.setActive(false); | |
2108 | } | |
2109 | subMenus.clear(); | |
2110 | ||
2111 | // See if we should switch menus | |
2112 | for (TMenu menu: menus) { | |
159f076d KL |
2113 | if ((mouse.getAbsoluteX() >= menu.getTitleX()) |
2114 | && (mouse.getAbsoluteX() < menu.getTitleX() | |
fca67db0 KL |
2115 | + menu.getTitle().length() + 2) |
2116 | ) { | |
2117 | menu.setActive(true); | |
2118 | activeMenu = menu; | |
2119 | } | |
2120 | } | |
2121 | if (oldMenu != activeMenu) { | |
2122 | // They switched menus | |
2123 | oldMenu.setActive(false); | |
2124 | } | |
fca67db0 KL |
2125 | return; |
2126 | } | |
2127 | ||
72fca17b KL |
2128 | // If a menu is still active, don't switch windows |
2129 | if (activeMenu != null) { | |
fca67db0 KL |
2130 | return; |
2131 | } | |
2132 | ||
72fca17b KL |
2133 | // Only switch if there are multiple windows |
2134 | if (windows.size() < 2) { | |
fca67db0 KL |
2135 | return; |
2136 | } | |
2137 | ||
72fca17b KL |
2138 | if (((focusFollowsMouse == true) |
2139 | && (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION)) | |
2140 | || (mouse.getType() == TMouseEvent.Type.MOUSE_UP) | |
2141 | ) { | |
2142 | synchronized (windows) { | |
2143 | Collections.sort(windows); | |
2144 | if (windows.get(0).isModal()) { | |
2145 | // Modal windows don't switch | |
2146 | return; | |
2147 | } | |
fca67db0 | 2148 | |
72fca17b KL |
2149 | for (TWindow window: windows) { |
2150 | assert (!window.isModal()); | |
92453213 | 2151 | |
72fca17b KL |
2152 | if (window.isHidden()) { |
2153 | assert (!window.isActive()); | |
2154 | continue; | |
2155 | } | |
92453213 | 2156 | |
72fca17b KL |
2157 | if (window.mouseWouldHit(mouse)) { |
2158 | if (window == windows.get(0)) { | |
2159 | // Clicked on the same window, nothing to do | |
2160 | assert (window.isActive()); | |
2161 | return; | |
2162 | } | |
2163 | ||
2164 | // We will be switching to another window | |
2165 | assert (windows.get(0).isActive()); | |
2166 | assert (windows.get(0) == activeWindow); | |
2167 | assert (!window.isActive()); | |
2168 | activeWindow.onUnfocus(); | |
2169 | activeWindow.setActive(false); | |
2170 | activeWindow.setZ(window.getZ()); | |
2171 | activeWindow = window; | |
2172 | window.setZ(0); | |
2173 | window.setActive(true); | |
2174 | window.onFocus(); | |
bb35d919 KL |
2175 | return; |
2176 | } | |
fca67db0 | 2177 | } |
fca67db0 | 2178 | } |
72fca17b KL |
2179 | |
2180 | // Clicked on the background, nothing to do | |
2181 | return; | |
fca67db0 KL |
2182 | } |
2183 | ||
72fca17b KL |
2184 | // Nothing to do: this isn't a mouse up, or focus isn't following |
2185 | // mouse. | |
fca67db0 KL |
2186 | return; |
2187 | } | |
2188 | ||
2189 | /** | |
2190 | * Turn off the menu. | |
2191 | */ | |
928811d8 | 2192 | public final void closeMenu() { |
fca67db0 KL |
2193 | if (activeMenu != null) { |
2194 | activeMenu.setActive(false); | |
2195 | activeMenu = null; | |
2196 | for (TMenu menu: subMenus) { | |
2197 | menu.setActive(false); | |
2198 | } | |
2199 | subMenus.clear(); | |
2200 | } | |
fca67db0 KL |
2201 | } |
2202 | ||
e8a11f98 KL |
2203 | /** |
2204 | * Get a (shallow) copy of the menu list. | |
2205 | * | |
2206 | * @return a copy of the menu list | |
2207 | */ | |
2208 | public final List<TMenu> getAllMenus() { | |
2209 | return new LinkedList<TMenu>(menus); | |
2210 | } | |
2211 | ||
2212 | /** | |
2213 | * Add a top-level menu to the list. | |
2214 | * | |
2215 | * @param menu the menu to add | |
2216 | * @throws IllegalArgumentException if the menu is already used in | |
2217 | * another TApplication | |
2218 | */ | |
2219 | public final void addMenu(final TMenu menu) { | |
2220 | if ((menu.getApplication() != null) | |
2221 | && (menu.getApplication() != this) | |
2222 | ) { | |
2223 | throw new IllegalArgumentException("Menu " + menu + " is already " + | |
2224 | "part of application " + menu.getApplication()); | |
2225 | } | |
2226 | closeMenu(); | |
2227 | menus.add(menu); | |
2228 | recomputeMenuX(); | |
2229 | } | |
2230 | ||
2231 | /** | |
2232 | * Remove a top-level menu from the list. | |
2233 | * | |
2234 | * @param menu the menu to remove | |
2235 | * @throws IllegalArgumentException if the menu is already used in | |
2236 | * another TApplication | |
2237 | */ | |
2238 | public final void removeMenu(final TMenu menu) { | |
2239 | if ((menu.getApplication() != null) | |
2240 | && (menu.getApplication() != this) | |
2241 | ) { | |
2242 | throw new IllegalArgumentException("Menu " + menu + " is already " + | |
2243 | "part of application " + menu.getApplication()); | |
2244 | } | |
2245 | closeMenu(); | |
2246 | menus.remove(menu); | |
2247 | recomputeMenuX(); | |
2248 | } | |
2249 | ||
fca67db0 KL |
2250 | /** |
2251 | * Turn off a sub-menu. | |
2252 | */ | |
928811d8 | 2253 | public final void closeSubMenu() { |
fca67db0 KL |
2254 | assert (activeMenu != null); |
2255 | TMenu item = subMenus.get(subMenus.size() - 1); | |
2256 | assert (item != null); | |
2257 | item.setActive(false); | |
2258 | subMenus.remove(subMenus.size() - 1); | |
fca67db0 KL |
2259 | } |
2260 | ||
2261 | /** | |
2262 | * Switch to the next menu. | |
2263 | * | |
2264 | * @param forward if true, then switch to the next menu in the list, | |
2265 | * otherwise switch to the previous menu in the list | |
2266 | */ | |
928811d8 | 2267 | public final void switchMenu(final boolean forward) { |
fca67db0 KL |
2268 | assert (activeMenu != null); |
2269 | ||
2270 | for (TMenu menu: subMenus) { | |
2271 | menu.setActive(false); | |
2272 | } | |
2273 | subMenus.clear(); | |
2274 | ||
2275 | for (int i = 0; i < menus.size(); i++) { | |
2276 | if (activeMenu == menus.get(i)) { | |
2277 | if (forward) { | |
2278 | if (i < menus.size() - 1) { | |
2279 | i++; | |
2280 | } | |
2281 | } else { | |
2282 | if (i > 0) { | |
2283 | i--; | |
2284 | } | |
2285 | } | |
2286 | activeMenu.setActive(false); | |
2287 | activeMenu = menus.get(i); | |
2288 | activeMenu.setActive(true); | |
fca67db0 KL |
2289 | return; |
2290 | } | |
2291 | } | |
2292 | } | |
2293 | ||
928811d8 | 2294 | /** |
efb7af1f KL |
2295 | * Add a menu item to the global list. If it has a keyboard accelerator, |
2296 | * that will be added the global hash. | |
928811d8 | 2297 | * |
efb7af1f | 2298 | * @param item the menu item |
928811d8 | 2299 | */ |
efb7af1f KL |
2300 | public final void addMenuItem(final TMenuItem item) { |
2301 | menuItems.add(item); | |
2302 | ||
2303 | TKeypress key = item.getKey(); | |
2304 | if (key != null) { | |
2305 | synchronized (accelerators) { | |
2306 | assert (accelerators.get(key) == null); | |
2307 | accelerators.put(key.toLowerCase(), item); | |
2308 | } | |
2309 | } | |
2310 | } | |
2311 | ||
2312 | /** | |
2313 | * Disable one menu item. | |
2314 | * | |
2315 | * @param id the menu item ID | |
2316 | */ | |
2317 | public final void disableMenuItem(final int id) { | |
2318 | for (TMenuItem item: menuItems) { | |
2319 | if (item.getId() == id) { | |
2320 | item.setEnabled(false); | |
2321 | } | |
2322 | } | |
2323 | } | |
e826b451 | 2324 | |
efb7af1f KL |
2325 | /** |
2326 | * Disable the range of menu items with ID's between lower and upper, | |
2327 | * inclusive. | |
2328 | * | |
2329 | * @param lower the lowest menu item ID | |
2330 | * @param upper the highest menu item ID | |
2331 | */ | |
2332 | public final void disableMenuItems(final int lower, final int upper) { | |
2333 | for (TMenuItem item: menuItems) { | |
2334 | if ((item.getId() >= lower) && (item.getId() <= upper)) { | |
2335 | item.setEnabled(false); | |
2336 | } | |
2337 | } | |
2338 | } | |
2339 | ||
2340 | /** | |
2341 | * Enable one menu item. | |
2342 | * | |
2343 | * @param id the menu item ID | |
2344 | */ | |
2345 | public final void enableMenuItem(final int id) { | |
2346 | for (TMenuItem item: menuItems) { | |
2347 | if (item.getId() == id) { | |
2348 | item.setEnabled(true); | |
2349 | } | |
2350 | } | |
2351 | } | |
2352 | ||
2353 | /** | |
2354 | * Enable the range of menu items with ID's between lower and upper, | |
2355 | * inclusive. | |
2356 | * | |
2357 | * @param lower the lowest menu item ID | |
2358 | * @param upper the highest menu item ID | |
2359 | */ | |
2360 | public final void enableMenuItems(final int lower, final int upper) { | |
2361 | for (TMenuItem item: menuItems) { | |
2362 | if ((item.getId() >= lower) && (item.getId() <= upper)) { | |
2363 | item.setEnabled(true); | |
2364 | } | |
e826b451 | 2365 | } |
928811d8 KL |
2366 | } |
2367 | ||
2368 | /** | |
2369 | * Recompute menu x positions based on their title length. | |
2370 | */ | |
2371 | public final void recomputeMenuX() { | |
2372 | int x = 0; | |
2373 | for (TMenu menu: menus) { | |
2374 | menu.setX(x); | |
159f076d | 2375 | menu.setTitleX(x); |
928811d8 | 2376 | x += menu.getTitle().length() + 2; |
68c5cd6b KL |
2377 | |
2378 | // Don't let the menu window exceed the screen width | |
2379 | int rightEdge = menu.getX() + menu.getWidth(); | |
2380 | if (rightEdge > getScreen().getWidth()) { | |
2381 | menu.setX(getScreen().getWidth() - menu.getWidth()); | |
2382 | } | |
928811d8 KL |
2383 | } |
2384 | } | |
2385 | ||
2386 | /** | |
2387 | * Post an event to process and turn off the menu. | |
2388 | * | |
2389 | * @param event new event to add to the queue | |
2390 | */ | |
5dfd1c11 | 2391 | public final void postMenuEvent(final TInputEvent event) { |
be72cb5c KL |
2392 | synchronized (this) { |
2393 | synchronized (fillEventQueue) { | |
2394 | fillEventQueue.add(event); | |
2395 | } | |
2396 | if (debugThreads) { | |
2397 | System.err.println(System.currentTimeMillis() + " " + | |
2398 | Thread.currentThread() + " postMenuEvent() wake up main"); | |
2399 | } | |
2400 | closeMenu(); | |
2401 | this.notify(); | |
8e688b92 | 2402 | } |
928811d8 KL |
2403 | } |
2404 | ||
2405 | /** | |
2406 | * Add a sub-menu to the list of open sub-menus. | |
2407 | * | |
2408 | * @param menu sub-menu | |
2409 | */ | |
2410 | public final void addSubMenu(final TMenu menu) { | |
2411 | subMenus.add(menu); | |
2412 | } | |
2413 | ||
8e688b92 KL |
2414 | /** |
2415 | * Convenience function to add a top-level menu. | |
2416 | * | |
2417 | * @param title menu title | |
2418 | * @return the new menu | |
2419 | */ | |
87a17f3c | 2420 | public final TMenu addMenu(final String title) { |
8e688b92 KL |
2421 | int x = 0; |
2422 | int y = 0; | |
2423 | TMenu menu = new TMenu(this, x, y, title); | |
2424 | menus.add(menu); | |
2425 | recomputeMenuX(); | |
2426 | return menu; | |
2427 | } | |
2428 | ||
2429 | /** | |
2430 | * Convenience function to add a default "File" menu. | |
2431 | * | |
2432 | * @return the new menu | |
2433 | */ | |
2434 | public final TMenu addFileMenu() { | |
339652cc | 2435 | TMenu fileMenu = addMenu(i18n.getString("fileMenuTitle")); |
8e688b92 KL |
2436 | fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE); |
2437 | fileMenu.addSeparator(); | |
2438 | fileMenu.addDefaultItem(TMenu.MID_SHELL); | |
2439 | fileMenu.addDefaultItem(TMenu.MID_EXIT); | |
339652cc KL |
2440 | TStatusBar statusBar = fileMenu.newStatusBar(i18n. |
2441 | getString("fileMenuStatus")); | |
2442 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
8e688b92 KL |
2443 | return fileMenu; |
2444 | } | |
2445 | ||
2446 | /** | |
2447 | * Convenience function to add a default "Edit" menu. | |
2448 | * | |
2449 | * @return the new menu | |
2450 | */ | |
2451 | public final TMenu addEditMenu() { | |
339652cc | 2452 | TMenu editMenu = addMenu(i18n.getString("editMenuTitle")); |
8e688b92 KL |
2453 | editMenu.addDefaultItem(TMenu.MID_CUT); |
2454 | editMenu.addDefaultItem(TMenu.MID_COPY); | |
2455 | editMenu.addDefaultItem(TMenu.MID_PASTE); | |
2456 | editMenu.addDefaultItem(TMenu.MID_CLEAR); | |
339652cc KL |
2457 | TStatusBar statusBar = editMenu.newStatusBar(i18n. |
2458 | getString("editMenuStatus")); | |
2459 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
8e688b92 KL |
2460 | return editMenu; |
2461 | } | |
2462 | ||
2463 | /** | |
2464 | * Convenience function to add a default "Window" menu. | |
2465 | * | |
2466 | * @return the new menu | |
2467 | */ | |
c6940ed9 | 2468 | public final TMenu addWindowMenu() { |
339652cc | 2469 | TMenu windowMenu = addMenu(i18n.getString("windowMenuTitle")); |
8e688b92 KL |
2470 | windowMenu.addDefaultItem(TMenu.MID_TILE); |
2471 | windowMenu.addDefaultItem(TMenu.MID_CASCADE); | |
2472 | windowMenu.addDefaultItem(TMenu.MID_CLOSE_ALL); | |
2473 | windowMenu.addSeparator(); | |
2474 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_MOVE); | |
2475 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_ZOOM); | |
2476 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_NEXT); | |
2477 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_PREVIOUS); | |
2478 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_CLOSE); | |
339652cc KL |
2479 | TStatusBar statusBar = windowMenu.newStatusBar(i18n. |
2480 | getString("windowMenuStatus")); | |
2481 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
8e688b92 KL |
2482 | return windowMenu; |
2483 | } | |
2484 | ||
55d2b2c2 KL |
2485 | /** |
2486 | * Convenience function to add a default "Help" menu. | |
2487 | * | |
2488 | * @return the new menu | |
2489 | */ | |
2490 | public final TMenu addHelpMenu() { | |
339652cc | 2491 | TMenu helpMenu = addMenu(i18n.getString("helpMenuTitle")); |
55d2b2c2 KL |
2492 | helpMenu.addDefaultItem(TMenu.MID_HELP_CONTENTS); |
2493 | helpMenu.addDefaultItem(TMenu.MID_HELP_INDEX); | |
2494 | helpMenu.addDefaultItem(TMenu.MID_HELP_SEARCH); | |
2495 | helpMenu.addDefaultItem(TMenu.MID_HELP_PREVIOUS); | |
2496 | helpMenu.addDefaultItem(TMenu.MID_HELP_HELP); | |
2497 | helpMenu.addDefaultItem(TMenu.MID_HELP_ACTIVE_FILE); | |
2498 | helpMenu.addSeparator(); | |
2499 | helpMenu.addDefaultItem(TMenu.MID_ABOUT); | |
339652cc KL |
2500 | TStatusBar statusBar = helpMenu.newStatusBar(i18n. |
2501 | getString("helpMenuStatus")); | |
2502 | statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help")); | |
55d2b2c2 KL |
2503 | return helpMenu; |
2504 | } | |
2505 | ||
2ce6dab2 KL |
2506 | // ------------------------------------------------------------------------ |
2507 | // Event handlers --------------------------------------------------------- | |
2508 | // ------------------------------------------------------------------------ | |
2509 | ||
8e688b92 | 2510 | /** |
2ce6dab2 KL |
2511 | * Method that TApplication subclasses can override to handle menu or |
2512 | * posted command events. | |
2513 | * | |
2514 | * @param command command event | |
2515 | * @return if true, this event was consumed | |
8e688b92 | 2516 | */ |
2ce6dab2 KL |
2517 | protected boolean onCommand(final TCommandEvent command) { |
2518 | // Default: handle cmExit | |
2519 | if (command.equals(cmExit)) { | |
339652cc KL |
2520 | if (messageBox(i18n.getString("exitDialogTitle"), |
2521 | i18n.getString("exitDialogText"), | |
2ce6dab2 | 2522 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
be72cb5c | 2523 | exit(); |
2ce6dab2 KL |
2524 | } |
2525 | return true; | |
8e688b92 | 2526 | } |
2ce6dab2 KL |
2527 | |
2528 | if (command.equals(cmShell)) { | |
2529 | openTerminal(0, 0, TWindow.RESIZABLE); | |
2530 | return true; | |
2531 | } | |
2532 | ||
2533 | if (command.equals(cmTile)) { | |
2534 | tileWindows(); | |
2535 | return true; | |
2536 | } | |
2537 | if (command.equals(cmCascade)) { | |
2538 | cascadeWindows(); | |
2539 | return true; | |
2540 | } | |
2541 | if (command.equals(cmCloseAll)) { | |
2542 | closeAllWindows(); | |
2543 | return true; | |
8e688b92 | 2544 | } |
2ce6dab2 | 2545 | |
71a389c9 KL |
2546 | if (command.equals(cmMenu)) { |
2547 | if (!modalWindowActive() && (activeMenu == null)) { | |
2548 | if (menus.size() > 0) { | |
2549 | menus.get(0).setActive(true); | |
2550 | activeMenu = menus.get(0); | |
2551 | return true; | |
2552 | } | |
2553 | } | |
2554 | } | |
2555 | ||
2ce6dab2 | 2556 | return false; |
8e688b92 KL |
2557 | } |
2558 | ||
2559 | /** | |
2ce6dab2 KL |
2560 | * Method that TApplication subclasses can override to handle menu |
2561 | * events. | |
2562 | * | |
2563 | * @param menu menu event | |
2564 | * @return if true, this event was consumed | |
8e688b92 | 2565 | */ |
2ce6dab2 KL |
2566 | protected boolean onMenu(final TMenuEvent menu) { |
2567 | ||
2568 | // Default: handle MID_EXIT | |
2569 | if (menu.getId() == TMenu.MID_EXIT) { | |
339652cc KL |
2570 | if (messageBox(i18n.getString("exitDialogTitle"), |
2571 | i18n.getString("exitDialogText"), | |
2ce6dab2 | 2572 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
be72cb5c | 2573 | exit(); |
8e688b92 | 2574 | } |
2ce6dab2 KL |
2575 | return true; |
2576 | } | |
bb35d919 | 2577 | |
2ce6dab2 KL |
2578 | if (menu.getId() == TMenu.MID_SHELL) { |
2579 | openTerminal(0, 0, TWindow.RESIZABLE); | |
2580 | return true; | |
2581 | } | |
8e688b92 | 2582 | |
2ce6dab2 KL |
2583 | if (menu.getId() == TMenu.MID_TILE) { |
2584 | tileWindows(); | |
2585 | return true; | |
2586 | } | |
2587 | if (menu.getId() == TMenu.MID_CASCADE) { | |
2588 | cascadeWindows(); | |
2589 | return true; | |
2590 | } | |
2591 | if (menu.getId() == TMenu.MID_CLOSE_ALL) { | |
2592 | closeAllWindows(); | |
2593 | return true; | |
2594 | } | |
2595 | if (menu.getId() == TMenu.MID_ABOUT) { | |
2596 | showAboutDialog(); | |
2597 | return true; | |
2598 | } | |
1c19fdea KL |
2599 | if (menu.getId() == TMenu.MID_REPAINT) { |
2600 | doRepaint(); | |
2601 | return true; | |
2602 | } | |
2ce6dab2 KL |
2603 | return false; |
2604 | } | |
2605 | ||
2606 | /** | |
2607 | * Method that TApplication subclasses can override to handle keystrokes. | |
2608 | * | |
2609 | * @param keypress keystroke event | |
2610 | * @return if true, this event was consumed | |
2611 | */ | |
2612 | protected boolean onKeypress(final TKeypressEvent keypress) { | |
2613 | // Default: only menu shortcuts | |
2614 | ||
2615 | // Process Alt-F, Alt-E, etc. menu shortcut keys | |
2616 | if (!keypress.getKey().isFnKey() | |
2617 | && keypress.getKey().isAlt() | |
2618 | && !keypress.getKey().isCtrl() | |
2619 | && (activeMenu == null) | |
2620 | && !modalWindowActive() | |
2621 | ) { | |
2622 | ||
2623 | assert (subMenus.size() == 0); | |
2624 | ||
2625 | for (TMenu menu: menus) { | |
2626 | if (Character.toLowerCase(menu.getMnemonic().getShortcut()) | |
2627 | == Character.toLowerCase(keypress.getKey().getChar()) | |
2628 | ) { | |
2629 | activeMenu = menu; | |
2630 | menu.setActive(true); | |
2631 | return true; | |
bb35d919 | 2632 | } |
8e688b92 KL |
2633 | } |
2634 | } | |
2ce6dab2 KL |
2635 | |
2636 | return false; | |
8e688b92 KL |
2637 | } |
2638 | ||
2ce6dab2 KL |
2639 | // ------------------------------------------------------------------------ |
2640 | // TTimer management ------------------------------------------------------ | |
2641 | // ------------------------------------------------------------------------ | |
2642 | ||
8e688b92 | 2643 | /** |
2ce6dab2 KL |
2644 | * Get the amount of time I can sleep before missing a Timer tick. |
2645 | * | |
2646 | * @param timeout = initial (maximum) timeout in millis | |
2647 | * @return number of milliseconds between now and the next timer event | |
8e688b92 | 2648 | */ |
2ce6dab2 KL |
2649 | private long getSleepTime(final long timeout) { |
2650 | Date now = new Date(); | |
2651 | long nowTime = now.getTime(); | |
2652 | long sleepTime = timeout; | |
2ce6dab2 | 2653 | |
be72cb5c KL |
2654 | synchronized (timers) { |
2655 | for (TTimer timer: timers) { | |
2656 | long nextTickTime = timer.getNextTick().getTime(); | |
2657 | if (nextTickTime < nowTime) { | |
2658 | return 0; | |
2659 | } | |
2660 | ||
2661 | long timeDifference = nextTickTime - nowTime; | |
2662 | if (timeDifference < sleepTime) { | |
2663 | sleepTime = timeDifference; | |
2664 | } | |
8e688b92 KL |
2665 | } |
2666 | } | |
be72cb5c | 2667 | |
2ce6dab2 KL |
2668 | assert (sleepTime >= 0); |
2669 | assert (sleepTime <= timeout); | |
2670 | return sleepTime; | |
8e688b92 KL |
2671 | } |
2672 | ||
d502a0e9 KL |
2673 | /** |
2674 | * Convenience function to add a timer. | |
2675 | * | |
2676 | * @param duration number of milliseconds to wait between ticks | |
2677 | * @param recurring if true, re-schedule this timer after every tick | |
2678 | * @param action function to call when button is pressed | |
c6940ed9 | 2679 | * @return the timer |
d502a0e9 KL |
2680 | */ |
2681 | public final TTimer addTimer(final long duration, final boolean recurring, | |
2682 | final TAction action) { | |
2683 | ||
2684 | TTimer timer = new TTimer(duration, recurring, action); | |
2685 | synchronized (timers) { | |
2686 | timers.add(timer); | |
2687 | } | |
2688 | return timer; | |
2689 | } | |
2690 | ||
2691 | /** | |
2692 | * Convenience function to remove a timer. | |
2693 | * | |
2694 | * @param timer timer to remove | |
2695 | */ | |
2696 | public final void removeTimer(final TTimer timer) { | |
2697 | synchronized (timers) { | |
2698 | timers.remove(timer); | |
2699 | } | |
2700 | } | |
2701 | ||
2ce6dab2 KL |
2702 | // ------------------------------------------------------------------------ |
2703 | // Other TWindow constructors --------------------------------------------- | |
2704 | // ------------------------------------------------------------------------ | |
2705 | ||
c6940ed9 KL |
2706 | /** |
2707 | * Convenience function to spawn a message box. | |
2708 | * | |
2709 | * @param title window title, will be centered along the top border | |
2710 | * @param caption message to display. Use embedded newlines to get a | |
2711 | * multi-line box. | |
2712 | * @return the new message box | |
2713 | */ | |
2714 | public final TMessageBox messageBox(final String title, | |
2715 | final String caption) { | |
2716 | ||
2717 | return new TMessageBox(this, title, caption, TMessageBox.Type.OK); | |
2718 | } | |
2719 | ||
2720 | /** | |
2721 | * Convenience function to spawn a message box. | |
2722 | * | |
2723 | * @param title window title, will be centered along the top border | |
2724 | * @param caption message to display. Use embedded newlines to get a | |
2725 | * multi-line box. | |
2726 | * @param type one of the TMessageBox.Type constants. Default is | |
2727 | * Type.OK. | |
2728 | * @return the new message box | |
2729 | */ | |
2730 | public final TMessageBox messageBox(final String title, | |
2731 | final String caption, final TMessageBox.Type type) { | |
2732 | ||
2733 | return new TMessageBox(this, title, caption, type); | |
2734 | } | |
2735 | ||
2736 | /** | |
2737 | * Convenience function to spawn an input box. | |
2738 | * | |
2739 | * @param title window title, will be centered along the top border | |
2740 | * @param caption message to display. Use embedded newlines to get a | |
2741 | * multi-line box. | |
2742 | * @return the new input box | |
2743 | */ | |
2744 | public final TInputBox inputBox(final String title, final String caption) { | |
2745 | ||
2746 | return new TInputBox(this, title, caption); | |
2747 | } | |
2748 | ||
2749 | /** | |
2750 | * Convenience function to spawn an input box. | |
2751 | * | |
2752 | * @param title window title, will be centered along the top border | |
2753 | * @param caption message to display. Use embedded newlines to get a | |
2754 | * multi-line box. | |
2755 | * @param text initial text to seed the field with | |
2756 | * @return the new input box | |
2757 | */ | |
2758 | public final TInputBox inputBox(final String title, final String caption, | |
2759 | final String text) { | |
2760 | ||
2761 | return new TInputBox(this, title, caption, text); | |
2762 | } | |
1ac2ccb1 | 2763 | |
34a42e78 KL |
2764 | /** |
2765 | * Convenience function to open a terminal window. | |
2766 | * | |
2767 | * @param x column relative to parent | |
2768 | * @param y row relative to parent | |
2769 | * @return the terminal new window | |
2770 | */ | |
2771 | public final TTerminalWindow openTerminal(final int x, final int y) { | |
2772 | return openTerminal(x, y, TWindow.RESIZABLE); | |
2773 | } | |
2774 | ||
2775 | /** | |
2776 | * Convenience function to open a terminal window. | |
2777 | * | |
2778 | * @param x column relative to parent | |
2779 | * @param y row relative to parent | |
2780 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
2781 | * @return the terminal new window | |
2782 | */ | |
2783 | public final TTerminalWindow openTerminal(final int x, final int y, | |
2784 | final int flags) { | |
2785 | ||
2786 | return new TTerminalWindow(this, x, y, flags); | |
2787 | } | |
2788 | ||
6f8ff91a KL |
2789 | /** |
2790 | * Convenience function to open a terminal window and execute a custom | |
2791 | * command line inside it. | |
2792 | * | |
2793 | * @param x column relative to parent | |
2794 | * @param y row relative to parent | |
2795 | * @param commandLine the command line to execute | |
2796 | * @return the terminal new window | |
2797 | */ | |
2798 | public final TTerminalWindow openTerminal(final int x, final int y, | |
2799 | final String commandLine) { | |
2800 | ||
2801 | return openTerminal(x, y, TWindow.RESIZABLE, commandLine); | |
2802 | } | |
2803 | ||
2804 | /** | |
2805 | * Convenience function to open a terminal window and execute a custom | |
2806 | * command line inside it. | |
2807 | * | |
2808 | * @param x column relative to parent | |
2809 | * @param y row relative to parent | |
2810 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
2811 | * @param commandLine the command line to execute | |
2812 | * @return the terminal new window | |
2813 | */ | |
2814 | public final TTerminalWindow openTerminal(final int x, final int y, | |
2815 | final int flags, final String commandLine) { | |
2816 | ||
2817 | return new TTerminalWindow(this, x, y, flags, commandLine); | |
2818 | } | |
2819 | ||
0d47c546 KL |
2820 | /** |
2821 | * Convenience function to spawn an file open box. | |
2822 | * | |
2823 | * @param path path of selected file | |
2824 | * @return the result of the new file open box | |
329fd62e | 2825 | * @throws IOException if java.io operation throws |
0d47c546 KL |
2826 | */ |
2827 | public final String fileOpenBox(final String path) throws IOException { | |
2828 | ||
2829 | TFileOpenBox box = new TFileOpenBox(this, path, TFileOpenBox.Type.OPEN); | |
2830 | return box.getFilename(); | |
2831 | } | |
2832 | ||
2833 | /** | |
2834 | * Convenience function to spawn an file open box. | |
2835 | * | |
2836 | * @param path path of selected file | |
2837 | * @param type one of the Type constants | |
2838 | * @return the result of the new file open box | |
329fd62e | 2839 | * @throws IOException if java.io operation throws |
0d47c546 KL |
2840 | */ |
2841 | public final String fileOpenBox(final String path, | |
2842 | final TFileOpenBox.Type type) throws IOException { | |
2843 | ||
2844 | TFileOpenBox box = new TFileOpenBox(this, path, type); | |
2845 | return box.getFilename(); | |
2846 | } | |
2847 | ||
92453213 KL |
2848 | /** |
2849 | * Convenience function to create a new window and make it active. | |
2850 | * Window will be located at (0, 0). | |
2851 | * | |
2852 | * @param title window title, will be centered along the top border | |
2853 | * @param width width of window | |
2854 | * @param height height of window | |
2855 | */ | |
2856 | public final TWindow addWindow(final String title, final int width, | |
2857 | final int height) { | |
2858 | ||
2859 | TWindow window = new TWindow(this, title, 0, 0, width, height); | |
2860 | return window; | |
2861 | } | |
1978ad50 | 2862 | |
92453213 KL |
2863 | /** |
2864 | * Convenience function to create a new window and make it active. | |
2865 | * Window will be located at (0, 0). | |
2866 | * | |
2867 | * @param title window title, will be centered along the top border | |
2868 | * @param width width of window | |
2869 | * @param height height of window | |
2870 | * @param flags bitmask of RESIZABLE, CENTERED, or MODAL | |
2871 | */ | |
2872 | public final TWindow addWindow(final String title, | |
2873 | final int width, final int height, final int flags) { | |
2874 | ||
2875 | TWindow window = new TWindow(this, title, 0, 0, width, height, flags); | |
2876 | return window; | |
2877 | } | |
2878 | ||
2879 | /** | |
2880 | * Convenience function to create a new window and make it active. | |
2881 | * | |
2882 | * @param title window title, will be centered along the top border | |
2883 | * @param x column relative to parent | |
2884 | * @param y row relative to parent | |
2885 | * @param width width of window | |
2886 | * @param height height of window | |
2887 | */ | |
2888 | public final TWindow addWindow(final String title, | |
2889 | final int x, final int y, final int width, final int height) { | |
2890 | ||
2891 | TWindow window = new TWindow(this, title, x, y, width, height); | |
2892 | return window; | |
2893 | } | |
2894 | ||
2895 | /** | |
2896 | * Convenience function to create a new window and make it active. | |
2897 | * | |
92453213 KL |
2898 | * @param title window title, will be centered along the top border |
2899 | * @param x column relative to parent | |
2900 | * @param y row relative to parent | |
2901 | * @param width width of window | |
2902 | * @param height height of window | |
2903 | * @param flags mask of RESIZABLE, CENTERED, or MODAL | |
2904 | */ | |
2905 | public final TWindow addWindow(final String title, | |
2906 | final int x, final int y, final int width, final int height, | |
2907 | final int flags) { | |
2908 | ||
2909 | TWindow window = new TWindow(this, title, x, y, width, height, flags); | |
2910 | return window; | |
2911 | } | |
2912 | ||
1978ad50 KL |
2913 | /** |
2914 | * Convenience function to open a file in an editor window and make it | |
2915 | * active. | |
2916 | * | |
2917 | * @param file the file to open | |
2918 | * @throws IOException if a java.io operation throws | |
2919 | */ | |
2920 | public final TEditorWindow addEditor(final File file) throws IOException { | |
2921 | ||
2922 | TEditorWindow editor = new TEditorWindow(this, file); | |
2923 | return editor; | |
2924 | } | |
2925 | ||
7d4115a5 | 2926 | } |