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7d4115a5 | 1 | /** |
7b5261bc | 2 | * Jexer - Java Text User Interface |
7d4115a5 KL |
3 | * |
4 | * License: LGPLv3 or later | |
5 | * | |
7b5261bc KL |
6 | * This module is licensed under the GNU Lesser General Public License |
7 | * Version 3. Please see the file "COPYING" in this directory for more | |
8 | * information about the GNU Lesser General Public License Version 3. | |
7d4115a5 KL |
9 | * |
10 | * Copyright (C) 2015 Kevin Lamonte | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU Lesser General Public License | |
14 | * as published by the Free Software Foundation; either version 3 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, but | |
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | * General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU Lesser General Public | |
23 | * License along with this program; if not, see | |
24 | * http://www.gnu.org/licenses/, or write to the Free Software | |
25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
26 | * 02110-1301 USA | |
7b5261bc KL |
27 | * |
28 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
29 | * @version 1 | |
7d4115a5 KL |
30 | */ |
31 | package jexer; | |
32 | ||
4328bb42 KL |
33 | import java.io.InputStream; |
34 | import java.io.OutputStream; | |
35 | import java.io.UnsupportedEncodingException; | |
a06459bd | 36 | import java.util.Collections; |
d502a0e9 | 37 | import java.util.Date; |
e826b451 | 38 | import java.util.HashMap; |
c6940ed9 | 39 | import java.util.ArrayList; |
4328bb42 KL |
40 | import java.util.LinkedList; |
41 | import java.util.List; | |
e826b451 | 42 | import java.util.Map; |
4328bb42 KL |
43 | |
44 | import jexer.bits.CellAttributes; | |
45 | import jexer.bits.ColorTheme; | |
46 | import jexer.bits.GraphicsChars; | |
47 | import jexer.event.TCommandEvent; | |
48 | import jexer.event.TInputEvent; | |
49 | import jexer.event.TKeypressEvent; | |
fca67db0 | 50 | import jexer.event.TMenuEvent; |
4328bb42 KL |
51 | import jexer.event.TMouseEvent; |
52 | import jexer.event.TResizeEvent; | |
53 | import jexer.backend.Backend; | |
a4406f4e | 54 | import jexer.backend.SwingBackend; |
4328bb42 | 55 | import jexer.backend.ECMA48Backend; |
48e27807 | 56 | import jexer.io.Screen; |
928811d8 KL |
57 | import jexer.menu.TMenu; |
58 | import jexer.menu.TMenuItem; | |
4328bb42 | 59 | import static jexer.TCommand.*; |
4328bb42 | 60 | |
7d4115a5 KL |
61 | /** |
62 | * TApplication sets up a full Text User Interface application. | |
63 | */ | |
a4406f4e | 64 | public class TApplication implements Runnable { |
7d4115a5 | 65 | |
99144c71 KL |
66 | /** |
67 | * If true, emit thread stuff to System.err. | |
68 | */ | |
69 | private static final boolean debugThreads = false; | |
70 | ||
a83fea2b KL |
71 | /** |
72 | * If true, emit events being processed to System.err. | |
73 | */ | |
74 | private static final boolean debugEvents = false; | |
75 | ||
a4406f4e KL |
76 | /** |
77 | * Two backend types are available. | |
78 | */ | |
79 | public static enum BackendType { | |
80 | /** | |
81 | * A Swing JFrame. | |
82 | */ | |
83 | SWING, | |
84 | ||
85 | /** | |
86 | * An ECMA48 / ANSI X3.64 / XTERM style terminal. | |
87 | */ | |
88 | ECMA48, | |
89 | ||
90 | /** | |
91 | * Synonym for ECMA48 | |
92 | */ | |
93 | XTERM | |
94 | } | |
95 | ||
c6940ed9 KL |
96 | /** |
97 | * WidgetEventHandler is the main event consumer loop. There are at most | |
98 | * two such threads in existence: the primary for normal case and a | |
99 | * secondary that is used for TMessageBox, TInputBox, and similar. | |
100 | */ | |
101 | private class WidgetEventHandler implements Runnable { | |
102 | /** | |
103 | * The main application. | |
104 | */ | |
105 | private TApplication application; | |
106 | ||
107 | /** | |
108 | * Whether or not this WidgetEventHandler is the primary or secondary | |
109 | * thread. | |
110 | */ | |
111 | private boolean primary = true; | |
112 | ||
113 | /** | |
114 | * Public constructor. | |
115 | * | |
116 | * @param application the main application | |
117 | * @param primary if true, this is the primary event handler thread | |
118 | */ | |
119 | public WidgetEventHandler(final TApplication application, | |
120 | final boolean primary) { | |
121 | ||
122 | this.application = application; | |
123 | this.primary = primary; | |
124 | } | |
125 | ||
126 | /** | |
127 | * The consumer loop. | |
128 | */ | |
129 | public void run() { | |
130 | ||
131 | // Loop forever | |
132 | while (!application.quit) { | |
133 | ||
134 | // Wait until application notifies me | |
135 | while (!application.quit) { | |
136 | try { | |
137 | synchronized (application.drainEventQueue) { | |
138 | if (application.drainEventQueue.size() > 0) { | |
139 | break; | |
140 | } | |
141 | } | |
92554d64 KL |
142 | |
143 | synchronized (this) { | |
bd8d51fa KL |
144 | if (debugThreads) { |
145 | System.err.printf("%s %s sleep\n", this, | |
146 | primary ? "primary" : "secondary"); | |
147 | } | |
92554d64 KL |
148 | |
149 | this.wait(); | |
150 | ||
bd8d51fa KL |
151 | if (debugThreads) { |
152 | System.err.printf("%s %s AWAKE\n", this, | |
153 | primary ? "primary" : "secondary"); | |
154 | } | |
92554d64 | 155 | |
c6940ed9 KL |
156 | if ((!primary) |
157 | && (application.secondaryEventReceiver == null) | |
158 | ) { | |
92554d64 KL |
159 | // Secondary thread, emergency exit. If we |
160 | // got here then something went wrong with | |
161 | // the handoff between yield() and | |
162 | // closeWindow(). | |
92554d64 KL |
163 | synchronized (application.primaryEventHandler) { |
164 | application.primaryEventHandler.notify(); | |
165 | } | |
166 | application.secondaryEventHandler = null; | |
bd8d51fa KL |
167 | throw new RuntimeException( |
168 | "secondary exited at wrong time"); | |
c6940ed9 KL |
169 | } |
170 | break; | |
171 | } | |
172 | } catch (InterruptedException e) { | |
173 | // SQUASH | |
174 | } | |
175 | } | |
176 | ||
177 | // Pull all events off the queue | |
178 | for (;;) { | |
179 | TInputEvent event = null; | |
180 | synchronized (application.drainEventQueue) { | |
181 | if (application.drainEventQueue.size() == 0) { | |
182 | break; | |
183 | } | |
184 | event = application.drainEventQueue.remove(0); | |
185 | } | |
99144c71 KL |
186 | // Wait for drawAll() or doIdle() to be done, then handle |
187 | // the event. | |
188 | boolean oldLock = lockHandleEvent(); | |
189 | assert (oldLock == false); | |
bd8d51fa | 190 | application.repaint = true; |
c6940ed9 KL |
191 | if (primary) { |
192 | primaryHandleEvent(event); | |
193 | } else { | |
194 | secondaryHandleEvent(event); | |
195 | } | |
196 | if ((!primary) | |
197 | && (application.secondaryEventReceiver == null) | |
198 | ) { | |
99144c71 KL |
199 | // Secondary thread, time to exit. |
200 | ||
201 | // DO NOT UNLOCK. Primary thread just came back from | |
202 | // primaryHandleEvent() and will unlock in the else | |
92554d64 KL |
203 | // block below. Just wake it up. |
204 | synchronized (application.primaryEventHandler) { | |
205 | application.primaryEventHandler.notify(); | |
206 | } | |
207 | // Now eliminate my reference so that | |
208 | // wakeEventHandler() resumes working on the primary. | |
209 | application.secondaryEventHandler = null; | |
210 | ||
211 | // All done! | |
c6940ed9 | 212 | return; |
99144c71 KL |
213 | } else { |
214 | // Unlock. Either I am primary thread, or I am | |
215 | // secondary thread and still running. | |
216 | oldLock = unlockHandleEvent(); | |
217 | assert (oldLock == true); | |
c6940ed9 | 218 | } |
92554d64 KL |
219 | } // for (;;) |
220 | ||
221 | // I have done some work of some kind. Tell the main run() | |
222 | // loop to wake up now. | |
223 | synchronized (application) { | |
224 | application.notify(); | |
c6940ed9 | 225 | } |
92554d64 | 226 | |
c6940ed9 KL |
227 | } // while (true) (main runnable loop) |
228 | } | |
229 | } | |
230 | ||
231 | /** | |
232 | * The primary event handler thread. | |
233 | */ | |
92554d64 | 234 | private volatile WidgetEventHandler primaryEventHandler; |
c6940ed9 KL |
235 | |
236 | /** | |
237 | * The secondary event handler thread. | |
238 | */ | |
92554d64 | 239 | private volatile WidgetEventHandler secondaryEventHandler; |
c6940ed9 KL |
240 | |
241 | /** | |
242 | * The widget receiving events from the secondary event handler thread. | |
243 | */ | |
92554d64 | 244 | private volatile TWidget secondaryEventReceiver; |
c6940ed9 | 245 | |
99144c71 KL |
246 | /** |
247 | * Spinlock for the primary and secondary event handlers. | |
248 | * WidgetEventHandler.run() is responsible for setting this value. | |
249 | */ | |
250 | private volatile boolean insideHandleEvent = false; | |
251 | ||
92554d64 KL |
252 | /** |
253 | * Wake the sleeping active event handler. | |
254 | */ | |
255 | private void wakeEventHandler() { | |
256 | if (secondaryEventHandler != null) { | |
257 | synchronized (secondaryEventHandler) { | |
258 | secondaryEventHandler.notify(); | |
259 | } | |
260 | } else { | |
261 | assert (primaryEventHandler != null); | |
262 | synchronized (primaryEventHandler) { | |
263 | primaryEventHandler.notify(); | |
264 | } | |
265 | } | |
266 | } | |
267 | ||
99144c71 KL |
268 | /** |
269 | * Set the insideHandleEvent flag to true. lockoutEventHandlers() will | |
270 | * spin indefinitely until unlockHandleEvent() is called. | |
271 | * | |
272 | * @return the old value of insideHandleEvent | |
273 | */ | |
274 | private boolean lockHandleEvent() { | |
275 | if (debugThreads) { | |
276 | System.err.printf(" >> lockHandleEvent(): oldValue %s", | |
277 | insideHandleEvent); | |
278 | } | |
279 | boolean oldValue = true; | |
280 | ||
281 | synchronized (this) { | |
282 | // Wait for TApplication.run() to finish using the global state | |
283 | // before allowing further event processing. | |
bd8d51fa | 284 | while (lockoutHandleEvent == true) {} |
99144c71 KL |
285 | |
286 | oldValue = insideHandleEvent; | |
287 | insideHandleEvent = true; | |
288 | } | |
289 | ||
290 | if (debugThreads) { | |
291 | System.err.printf(" ***\n"); | |
292 | } | |
293 | return oldValue; | |
294 | } | |
295 | ||
296 | /** | |
297 | * Set the insideHandleEvent flag to false. lockoutEventHandlers() will | |
298 | * spin indefinitely until unlockHandleEvent() is called. | |
299 | * | |
300 | * @return the old value of insideHandleEvent | |
301 | */ | |
302 | private boolean unlockHandleEvent() { | |
303 | if (debugThreads) { | |
304 | System.err.printf(" << unlockHandleEvent(): oldValue %s\n", | |
305 | insideHandleEvent); | |
306 | } | |
307 | synchronized (this) { | |
308 | boolean oldValue = insideHandleEvent; | |
309 | insideHandleEvent = false; | |
310 | return oldValue; | |
311 | } | |
312 | } | |
313 | ||
314 | /** | |
315 | * Spinlock for the primary and secondary event handlers. When true, the | |
316 | * event handlers will spinlock wait before calling handleEvent(). | |
317 | */ | |
318 | private volatile boolean lockoutHandleEvent = false; | |
319 | ||
320 | /** | |
321 | * TApplication.run() needs to be able rely on the global data structures | |
322 | * being intact when calling doIdle() and drawAll(). Tell the event | |
323 | * handlers to wait for an unlock before handling their events. | |
324 | */ | |
325 | private void stopEventHandlers() { | |
326 | if (debugThreads) { | |
327 | System.err.printf(">> stopEventHandlers()"); | |
328 | } | |
329 | ||
330 | lockoutHandleEvent = true; | |
331 | // Wait for the last event to finish processing before returning | |
332 | // control to TApplication.run(). | |
bd8d51fa | 333 | while (insideHandleEvent == true) {} |
99144c71 KL |
334 | |
335 | if (debugThreads) { | |
336 | System.err.printf(" XXX\n"); | |
337 | } | |
338 | } | |
339 | ||
340 | /** | |
341 | * TApplication.run() needs to be able rely on the global data structures | |
342 | * being intact when calling doIdle() and drawAll(). Tell the event | |
343 | * handlers that it is now OK to handle their events. | |
344 | */ | |
345 | private void startEventHandlers() { | |
346 | if (debugThreads) { | |
347 | System.err.printf("<< startEventHandlers()\n"); | |
348 | } | |
349 | lockoutHandleEvent = false; | |
350 | } | |
351 | ||
7d4115a5 | 352 | /** |
4328bb42 KL |
353 | * Access to the physical screen, keyboard, and mouse. |
354 | */ | |
7b5261bc | 355 | private Backend backend; |
4328bb42 | 356 | |
48e27807 KL |
357 | /** |
358 | * Get the Screen. | |
359 | * | |
360 | * @return the Screen | |
361 | */ | |
362 | public final Screen getScreen() { | |
363 | return backend.getScreen(); | |
364 | } | |
365 | ||
4328bb42 | 366 | /** |
7b5261bc | 367 | * Actual mouse coordinate X. |
4328bb42 KL |
368 | */ |
369 | private int mouseX; | |
370 | ||
371 | /** | |
7b5261bc | 372 | * Actual mouse coordinate Y. |
4328bb42 KL |
373 | */ |
374 | private int mouseY; | |
375 | ||
bd8d51fa KL |
376 | /** |
377 | * Old version of mouse coordinate X. | |
378 | */ | |
379 | private int oldMouseX; | |
380 | ||
381 | /** | |
382 | * Old version mouse coordinate Y. | |
383 | */ | |
384 | private int oldMouseY; | |
385 | ||
4328bb42 | 386 | /** |
8e688b92 | 387 | * Event queue that is filled by run(). |
4328bb42 | 388 | */ |
8e688b92 KL |
389 | private List<TInputEvent> fillEventQueue; |
390 | ||
391 | /** | |
392 | * Event queue that will be drained by either primary or secondary | |
393 | * Thread. | |
394 | */ | |
395 | private List<TInputEvent> drainEventQueue; | |
4328bb42 | 396 | |
fca67db0 KL |
397 | /** |
398 | * Top-level menus in this application. | |
399 | */ | |
400 | private List<TMenu> menus; | |
401 | ||
402 | /** | |
403 | * Stack of activated sub-menus in this application. | |
404 | */ | |
405 | private List<TMenu> subMenus; | |
406 | ||
407 | /** | |
408 | * The currently acive menu. | |
409 | */ | |
410 | private TMenu activeMenu = null; | |
411 | ||
e826b451 KL |
412 | /** |
413 | * Active keyboard accelerators. | |
414 | */ | |
415 | private Map<TKeypress, TMenuItem> accelerators; | |
416 | ||
4328bb42 KL |
417 | /** |
418 | * Windows and widgets pull colors from this ColorTheme. | |
419 | */ | |
7b5261bc KL |
420 | private ColorTheme theme; |
421 | ||
422 | /** | |
423 | * Get the color theme. | |
424 | * | |
425 | * @return the theme | |
426 | */ | |
427 | public final ColorTheme getTheme() { | |
428 | return theme; | |
429 | } | |
4328bb42 | 430 | |
a06459bd KL |
431 | /** |
432 | * The top-level windows (but not menus). | |
433 | */ | |
fca67db0 | 434 | private List<TWindow> windows; |
a06459bd | 435 | |
d502a0e9 KL |
436 | /** |
437 | * Timers that are being ticked. | |
438 | */ | |
439 | private List<TTimer> timers; | |
440 | ||
4328bb42 KL |
441 | /** |
442 | * When true, exit the application. | |
443 | */ | |
92554d64 | 444 | private volatile boolean quit = false; |
4328bb42 KL |
445 | |
446 | /** | |
447 | * When true, repaint the entire screen. | |
448 | */ | |
92554d64 | 449 | private volatile boolean repaint = true; |
4328bb42 | 450 | |
4328bb42 | 451 | /** |
7b5261bc KL |
452 | * Y coordinate of the top edge of the desktop. For now this is a |
453 | * constant. Someday it would be nice to have a multi-line menu or | |
454 | * toolbars. | |
4328bb42 | 455 | */ |
48e27807 KL |
456 | private static final int desktopTop = 1; |
457 | ||
458 | /** | |
459 | * Get Y coordinate of the top edge of the desktop. | |
460 | * | |
461 | * @return Y coordinate of the top edge of the desktop | |
462 | */ | |
463 | public final int getDesktopTop() { | |
464 | return desktopTop; | |
465 | } | |
4328bb42 KL |
466 | |
467 | /** | |
468 | * Y coordinate of the bottom edge of the desktop. | |
469 | */ | |
48e27807 KL |
470 | private int desktopBottom; |
471 | ||
472 | /** | |
473 | * Get Y coordinate of the bottom edge of the desktop. | |
474 | * | |
475 | * @return Y coordinate of the bottom edge of the desktop | |
476 | */ | |
477 | public final int getDesktopBottom() { | |
478 | return desktopBottom; | |
479 | } | |
4328bb42 KL |
480 | |
481 | /** | |
482 | * Public constructor. | |
483 | * | |
a4406f4e KL |
484 | * @param backendType BackendType.XTERM, BackendType.ECMA48 or |
485 | * BackendType.SWING | |
486 | * @throws UnsupportedEncodingException if an exception is thrown when | |
487 | * creating the InputStreamReader | |
488 | */ | |
489 | public TApplication(final BackendType backendType) | |
490 | throws UnsupportedEncodingException { | |
491 | ||
492 | switch (backendType) { | |
493 | case SWING: | |
494 | backend = new SwingBackend(this); | |
495 | break; | |
496 | case XTERM: | |
497 | // Fall through... | |
498 | case ECMA48: | |
499 | backend = new ECMA48Backend(this, null, null); | |
500 | } | |
501 | TApplicationImpl(); | |
502 | } | |
503 | ||
504 | /** | |
505 | * Public constructor. The backend type will be BackendType.ECMA48. | |
506 | * | |
4328bb42 KL |
507 | * @param input an InputStream connected to the remote user, or null for |
508 | * System.in. If System.in is used, then on non-Windows systems it will | |
509 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
510 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
511 | * @param output an OutputStream connected to the remote user, or null | |
512 | * for System.out. output is always converted to a Writer with UTF-8 | |
513 | * encoding. | |
7b5261bc KL |
514 | * @throws UnsupportedEncodingException if an exception is thrown when |
515 | * creating the InputStreamReader | |
4328bb42 | 516 | */ |
7b5261bc KL |
517 | public TApplication(final InputStream input, |
518 | final OutputStream output) throws UnsupportedEncodingException { | |
4328bb42 | 519 | |
a4406f4e KL |
520 | backend = new ECMA48Backend(this, input, output); |
521 | TApplicationImpl(); | |
522 | } | |
30bd4abd | 523 | |
a4406f4e KL |
524 | /** |
525 | * Public constructor. This hook enables use with new non-Jexer | |
526 | * backends. | |
527 | * | |
528 | * @param backend a Backend that is already ready to go. | |
529 | */ | |
530 | public TApplication(final Backend backend) { | |
531 | this.backend = backend; | |
532 | TApplicationImpl(); | |
533 | } | |
30bd4abd | 534 | |
a4406f4e KL |
535 | /** |
536 | * Finish construction once the backend is set. | |
537 | */ | |
538 | private void TApplicationImpl() { | |
8e688b92 KL |
539 | theme = new ColorTheme(); |
540 | desktopBottom = getScreen().getHeight() - 1; | |
c6940ed9 KL |
541 | fillEventQueue = new ArrayList<TInputEvent>(); |
542 | drainEventQueue = new ArrayList<TInputEvent>(); | |
8e688b92 KL |
543 | windows = new LinkedList<TWindow>(); |
544 | menus = new LinkedList<TMenu>(); | |
545 | subMenus = new LinkedList<TMenu>(); | |
d502a0e9 | 546 | timers = new LinkedList<TTimer>(); |
e826b451 | 547 | accelerators = new HashMap<TKeypress, TMenuItem>(); |
c6940ed9 KL |
548 | |
549 | // Setup the main consumer thread | |
550 | primaryEventHandler = new WidgetEventHandler(this, true); | |
551 | (new Thread(primaryEventHandler)).start(); | |
4328bb42 KL |
552 | } |
553 | ||
554 | /** | |
bd8d51fa KL |
555 | * Invert the cell color at a position. This is used to track the mouse. |
556 | * | |
557 | * @param x column position | |
558 | * @param y row position | |
4328bb42 | 559 | */ |
bd8d51fa KL |
560 | private void invertCell(final int x, final int y) { |
561 | synchronized (getScreen()) { | |
562 | CellAttributes attr = getScreen().getAttrXY(x, y); | |
563 | attr.setForeColor(attr.getForeColor().invert()); | |
564 | attr.setBackColor(attr.getBackColor().invert()); | |
565 | getScreen().putAttrXY(x, y, attr, false); | |
7b5261bc | 566 | } |
4328bb42 KL |
567 | } |
568 | ||
569 | /** | |
570 | * Draw everything. | |
571 | */ | |
7c870d89 | 572 | private void drawAll() { |
99144c71 KL |
573 | if (debugThreads) { |
574 | System.err.printf("drawAll() enter\n"); | |
575 | } | |
576 | ||
bd8d51fa KL |
577 | if (!repaint) { |
578 | synchronized (getScreen()) { | |
579 | if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) { | |
580 | // The only thing that has happened is the mouse moved. | |
581 | // Clear the old position and draw the new position. | |
582 | invertCell(oldMouseX, oldMouseY); | |
583 | invertCell(mouseX, mouseY); | |
584 | oldMouseX = mouseX; | |
585 | oldMouseY = mouseY; | |
586 | } | |
587 | } | |
588 | if (getScreen().isDirty()) { | |
589 | backend.flushScreen(); | |
590 | } | |
7b5261bc KL |
591 | return; |
592 | } | |
593 | ||
99144c71 KL |
594 | if (debugThreads) { |
595 | System.err.printf("drawAll() REDRAW\n"); | |
596 | } | |
597 | ||
7b5261bc KL |
598 | // If true, the cursor is not visible |
599 | boolean cursor = false; | |
600 | ||
601 | // Start with a clean screen | |
a06459bd | 602 | getScreen().clear(); |
7b5261bc KL |
603 | |
604 | // Draw the background | |
605 | CellAttributes background = theme.getColor("tapplication.background"); | |
a06459bd | 606 | getScreen().putAll(GraphicsChars.HATCH, background); |
7b5261bc | 607 | |
7b5261bc | 608 | // Draw each window in reverse Z order |
a06459bd KL |
609 | List<TWindow> sorted = new LinkedList<TWindow>(windows); |
610 | Collections.sort(sorted); | |
611 | Collections.reverse(sorted); | |
612 | for (TWindow window: sorted) { | |
613 | window.drawChildren(); | |
7b5261bc KL |
614 | } |
615 | ||
616 | // Draw the blank menubar line - reset the screen clipping first so | |
617 | // it won't trim it out. | |
a06459bd KL |
618 | getScreen().resetClipping(); |
619 | getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ', | |
7b5261bc KL |
620 | theme.getColor("tmenu")); |
621 | // Now draw the menus. | |
622 | int x = 1; | |
fca67db0 | 623 | for (TMenu menu: menus) { |
7b5261bc KL |
624 | CellAttributes menuColor; |
625 | CellAttributes menuMnemonicColor; | |
7c870d89 | 626 | if (menu.isActive()) { |
7b5261bc KL |
627 | menuColor = theme.getColor("tmenu.highlighted"); |
628 | menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted"); | |
629 | } else { | |
630 | menuColor = theme.getColor("tmenu"); | |
631 | menuMnemonicColor = theme.getColor("tmenu.mnemonic"); | |
632 | } | |
633 | // Draw the menu title | |
fca67db0 | 634 | getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ', |
7b5261bc | 635 | menuColor); |
fca67db0 | 636 | getScreen().putStrXY(x + 1, 0, menu.getTitle(), menuColor); |
7b5261bc | 637 | // Draw the highlight character |
fca67db0 KL |
638 | getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(), |
639 | 0, menu.getMnemonic().getShortcut(), menuMnemonicColor); | |
7b5261bc | 640 | |
7c870d89 | 641 | if (menu.isActive()) { |
a06459bd | 642 | menu.drawChildren(); |
7b5261bc | 643 | // Reset the screen clipping so we can draw the next title. |
a06459bd | 644 | getScreen().resetClipping(); |
7b5261bc | 645 | } |
fca67db0 | 646 | x += menu.getTitle().length() + 2; |
7b5261bc KL |
647 | } |
648 | ||
a06459bd | 649 | for (TMenu menu: subMenus) { |
7b5261bc | 650 | // Reset the screen clipping so we can draw the next sub-menu. |
a06459bd KL |
651 | getScreen().resetClipping(); |
652 | menu.drawChildren(); | |
7b5261bc | 653 | } |
7b5261bc KL |
654 | |
655 | // Draw the mouse pointer | |
bd8d51fa | 656 | invertCell(mouseX, mouseY); |
7b5261bc | 657 | |
7b5261bc KL |
658 | // Place the cursor if it is visible |
659 | TWidget activeWidget = null; | |
a06459bd KL |
660 | if (sorted.size() > 0) { |
661 | activeWidget = sorted.get(sorted.size() - 1).getActiveChild(); | |
7c870d89 | 662 | if (activeWidget.isCursorVisible()) { |
a06459bd | 663 | getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(), |
7b5261bc KL |
664 | activeWidget.getCursorAbsoluteY()); |
665 | cursor = true; | |
666 | } | |
667 | } | |
668 | ||
669 | // Kill the cursor | |
fca67db0 | 670 | if (!cursor) { |
a06459bd | 671 | getScreen().hideCursor(); |
7b5261bc | 672 | } |
7b5261bc KL |
673 | |
674 | // Flush the screen contents | |
675 | backend.flushScreen(); | |
676 | ||
677 | repaint = false; | |
4328bb42 KL |
678 | } |
679 | ||
680 | /** | |
7b5261bc | 681 | * Run this application until it exits. |
4328bb42 | 682 | */ |
a4406f4e | 683 | public void run() { |
7b5261bc KL |
684 | while (!quit) { |
685 | // Timeout is in milliseconds, so default timeout after 1 second | |
686 | // of inactivity. | |
92554d64 KL |
687 | long timeout = 0; |
688 | ||
689 | // If I've got no updates to render, wait for something from the | |
690 | // backend or a timer. | |
bd8d51fa KL |
691 | if (!repaint |
692 | && ((mouseX == oldMouseX) && (mouseY == oldMouseY)) | |
693 | ) { | |
92554d64 KL |
694 | // Never sleep longer than 100 millis, to get windows with |
695 | // background tasks an opportunity to update the display. | |
696 | timeout = getSleepTime(100); | |
697 | ||
698 | // See if there are any definitely events waiting to be | |
699 | // processed. If so, do not wait -- either there is I/O | |
700 | // coming in or the primary/secondary threads are still | |
701 | // working. | |
702 | synchronized (drainEventQueue) { | |
703 | if (drainEventQueue.size() > 0) { | |
704 | timeout = 0; | |
705 | } | |
706 | } | |
707 | synchronized (fillEventQueue) { | |
708 | if (fillEventQueue.size() > 0) { | |
709 | timeout = 0; | |
710 | } | |
8e688b92 KL |
711 | } |
712 | } | |
92554d64 KL |
713 | |
714 | if (timeout > 0) { | |
715 | // As of now, I've got nothing to do: no I/O, nothing from | |
716 | // the consumer threads, no timers that need to run ASAP. So | |
717 | // wait until either the backend or the consumer threads have | |
718 | // something to do. | |
719 | try { | |
720 | synchronized (this) { | |
721 | this.wait(timeout); | |
722 | } | |
723 | } catch (InterruptedException e) { | |
724 | // I'm awake and don't care why, let's see what's going | |
725 | // on out there. | |
8e688b92 | 726 | } |
bd8d51fa | 727 | repaint = true; |
7b5261bc KL |
728 | } |
729 | ||
8e688b92 | 730 | // Pull any pending I/O events |
92554d64 | 731 | backend.getEvents(fillEventQueue); |
8e688b92 KL |
732 | |
733 | // Dispatch each event to the appropriate handler, one at a time. | |
734 | for (;;) { | |
735 | TInputEvent event = null; | |
736 | synchronized (fillEventQueue) { | |
737 | if (fillEventQueue.size() == 0) { | |
738 | break; | |
739 | } | |
740 | event = fillEventQueue.remove(0); | |
741 | } | |
742 | metaHandleEvent(event); | |
743 | } | |
7b5261bc | 744 | |
92554d64 KL |
745 | // Wake a consumer thread if we have any pending events. |
746 | synchronized (drainEventQueue) { | |
747 | if (drainEventQueue.size() > 0) { | |
748 | wakeEventHandler(); | |
749 | } | |
750 | } | |
751 | ||
99144c71 KL |
752 | // Prevent stepping on the primary or secondary event handler. |
753 | stopEventHandlers(); | |
754 | ||
7b5261bc KL |
755 | // Process timers and call doIdle()'s |
756 | doIdle(); | |
757 | ||
758 | // Update the screen | |
87a17f3c KL |
759 | synchronized (getScreen()) { |
760 | drawAll(); | |
761 | } | |
99144c71 KL |
762 | |
763 | // Let the event handlers run again. | |
764 | startEventHandlers(); | |
7b5261bc | 765 | |
92554d64 KL |
766 | } // while (!quit) |
767 | ||
768 | // Shutdown the event consumer threads | |
769 | if (secondaryEventHandler != null) { | |
770 | synchronized (secondaryEventHandler) { | |
771 | secondaryEventHandler.notify(); | |
772 | } | |
773 | } | |
774 | if (primaryEventHandler != null) { | |
775 | synchronized (primaryEventHandler) { | |
776 | primaryEventHandler.notify(); | |
777 | } | |
7b5261bc KL |
778 | } |
779 | ||
92554d64 | 780 | // Shutdown the user I/O thread(s) |
7b5261bc | 781 | backend.shutdown(); |
92554d64 KL |
782 | |
783 | // Close all the windows. This gives them an opportunity to release | |
784 | // resources. | |
785 | closeAllWindows(); | |
786 | ||
4328bb42 KL |
787 | } |
788 | ||
789 | /** | |
790 | * Peek at certain application-level events, add to eventQueue, and wake | |
8e688b92 | 791 | * up the consuming Thread. |
4328bb42 | 792 | * |
8e688b92 | 793 | * @param event the input event to consume |
4328bb42 | 794 | */ |
8e688b92 | 795 | private void metaHandleEvent(final TInputEvent event) { |
7b5261bc | 796 | |
a83fea2b KL |
797 | if (debugEvents) { |
798 | System.err.printf(String.format("metaHandleEvents event: %s\n", | |
799 | event)); System.err.flush(); | |
800 | } | |
7b5261bc | 801 | |
8e688b92 KL |
802 | if (quit) { |
803 | // Do no more processing if the application is already trying | |
804 | // to exit. | |
805 | return; | |
806 | } | |
7b5261bc | 807 | |
8e688b92 | 808 | // Special application-wide events ------------------------------- |
7b5261bc | 809 | |
8e688b92 KL |
810 | // Abort everything |
811 | if (event instanceof TCommandEvent) { | |
812 | TCommandEvent command = (TCommandEvent) event; | |
813 | if (command.getCmd().equals(cmAbort)) { | |
814 | quit = true; | |
815 | return; | |
7b5261bc | 816 | } |
8e688b92 | 817 | } |
7b5261bc | 818 | |
8e688b92 KL |
819 | // Screen resize |
820 | if (event instanceof TResizeEvent) { | |
821 | TResizeEvent resize = (TResizeEvent) event; | |
bd8d51fa KL |
822 | synchronized (getScreen()) { |
823 | getScreen().setDimensions(resize.getWidth(), | |
824 | resize.getHeight()); | |
825 | desktopBottom = getScreen().getHeight() - 1; | |
826 | mouseX = 0; | |
827 | mouseY = 0; | |
828 | oldMouseX = 0; | |
829 | oldMouseY = 0; | |
830 | } | |
8e688b92 KL |
831 | return; |
832 | } | |
7b5261bc | 833 | |
8e688b92 KL |
834 | // Peek at the mouse position |
835 | if (event instanceof TMouseEvent) { | |
836 | TMouseEvent mouse = (TMouseEvent) event; | |
bd8d51fa KL |
837 | synchronized (getScreen()) { |
838 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
839 | oldMouseX = mouseX; | |
840 | oldMouseY = mouseY; | |
841 | mouseX = mouse.getX(); | |
842 | mouseY = mouse.getY(); | |
843 | } | |
7b5261bc | 844 | } |
8e688b92 | 845 | } |
7b5261bc | 846 | |
bd8d51fa | 847 | // Put into the main queue |
c6940ed9 KL |
848 | synchronized (drainEventQueue) { |
849 | drainEventQueue.add(event); | |
850 | } | |
4328bb42 KL |
851 | } |
852 | ||
a06459bd KL |
853 | /** |
854 | * Dispatch one event to the appropriate widget or application-level | |
fca67db0 KL |
855 | * event handler. This is the primary event handler, it has the normal |
856 | * application-wide event handling. | |
a06459bd KL |
857 | * |
858 | * @param event the input event to consume | |
fca67db0 | 859 | * @see #secondaryHandleEvent(TInputEvent event) |
a06459bd | 860 | */ |
fca67db0 KL |
861 | private void primaryHandleEvent(final TInputEvent event) { |
862 | ||
a83fea2b KL |
863 | if (debugEvents) { |
864 | System.err.printf("Handle event: %s\n", event); | |
865 | } | |
fca67db0 KL |
866 | |
867 | // Special application-wide events ----------------------------------- | |
868 | ||
869 | // Peek at the mouse position | |
870 | if (event instanceof TMouseEvent) { | |
871 | // See if we need to switch focus to another window or the menu | |
872 | checkSwitchFocus((TMouseEvent) event); | |
873 | } | |
874 | ||
875 | // Handle menu events | |
876 | if ((activeMenu != null) && !(event instanceof TCommandEvent)) { | |
877 | TMenu menu = activeMenu; | |
878 | ||
879 | if (event instanceof TMouseEvent) { | |
880 | TMouseEvent mouse = (TMouseEvent) event; | |
881 | ||
882 | while (subMenus.size() > 0) { | |
883 | TMenu subMenu = subMenus.get(subMenus.size() - 1); | |
884 | if (subMenu.mouseWouldHit(mouse)) { | |
885 | break; | |
886 | } | |
887 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
7c870d89 KL |
888 | && (!mouse.isMouse1()) |
889 | && (!mouse.isMouse2()) | |
890 | && (!mouse.isMouse3()) | |
891 | && (!mouse.isMouseWheelUp()) | |
892 | && (!mouse.isMouseWheelDown()) | |
fca67db0 KL |
893 | ) { |
894 | break; | |
895 | } | |
896 | // We navigated away from a sub-menu, so close it | |
897 | closeSubMenu(); | |
898 | } | |
899 | ||
900 | // Convert the mouse relative x/y to menu coordinates | |
901 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
902 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
903 | if (subMenus.size() > 0) { | |
904 | menu = subMenus.get(subMenus.size() - 1); | |
905 | } | |
906 | mouse.setX(mouse.getX() - menu.getX()); | |
907 | mouse.setY(mouse.getY() - menu.getY()); | |
908 | } | |
909 | menu.handleEvent(event); | |
910 | return; | |
911 | } | |
a06459bd | 912 | |
fca67db0 KL |
913 | if (event instanceof TKeypressEvent) { |
914 | TKeypressEvent keypress = (TKeypressEvent) event; | |
e826b451 | 915 | |
fca67db0 KL |
916 | // See if this key matches an accelerator, and if so dispatch the |
917 | // menu event. | |
918 | TKeypress keypressLowercase = keypress.getKey().toLowerCase(); | |
e826b451 KL |
919 | TMenuItem item = null; |
920 | synchronized (accelerators) { | |
921 | item = accelerators.get(keypressLowercase); | |
922 | } | |
fca67db0 | 923 | if (item != null) { |
7c870d89 | 924 | if (item.isEnabled()) { |
bd8d51fa KL |
925 | // Let the menu item dispatch |
926 | item.dispatch(); | |
fca67db0 KL |
927 | return; |
928 | } | |
929 | } | |
bd8d51fa KL |
930 | // Handle the keypress |
931 | if (onKeypress(keypress)) { | |
932 | return; | |
933 | } | |
fca67db0 | 934 | } |
a06459bd | 935 | |
fca67db0 KL |
936 | if (event instanceof TCommandEvent) { |
937 | if (onCommand((TCommandEvent) event)) { | |
938 | return; | |
939 | } | |
940 | } | |
941 | ||
942 | if (event instanceof TMenuEvent) { | |
943 | if (onMenu((TMenuEvent) event)) { | |
944 | return; | |
945 | } | |
946 | } | |
947 | ||
948 | // Dispatch events to the active window ------------------------------- | |
949 | for (TWindow window: windows) { | |
7c870d89 | 950 | if (window.isActive()) { |
a06459bd KL |
951 | if (event instanceof TMouseEvent) { |
952 | TMouseEvent mouse = (TMouseEvent) event; | |
fca67db0 KL |
953 | // Convert the mouse relative x/y to window coordinates |
954 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
955 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
956 | mouse.setX(mouse.getX() - window.getX()); | |
957 | mouse.setY(mouse.getY() - window.getY()); | |
958 | } | |
a83fea2b KL |
959 | if (debugEvents) { |
960 | System.err.printf("TApplication dispatch event: %s\n", | |
961 | event); | |
962 | } | |
fca67db0 KL |
963 | window.handleEvent(event); |
964 | break; | |
965 | } | |
966 | } | |
967 | } | |
968 | /** | |
969 | * Dispatch one event to the appropriate widget or application-level | |
970 | * event handler. This is the secondary event handler used by certain | |
971 | * special dialogs (currently TMessageBox and TFileOpenBox). | |
972 | * | |
973 | * @param event the input event to consume | |
974 | * @see #primaryHandleEvent(TInputEvent event) | |
975 | */ | |
976 | private void secondaryHandleEvent(final TInputEvent event) { | |
c6940ed9 KL |
977 | secondaryEventReceiver.handleEvent(event); |
978 | } | |
979 | ||
980 | /** | |
981 | * Enable a widget to override the primary event thread. | |
982 | * | |
983 | * @param widget widget that will receive events | |
984 | */ | |
985 | public final void enableSecondaryEventReceiver(final TWidget widget) { | |
986 | assert (secondaryEventReceiver == null); | |
987 | assert (secondaryEventHandler == null); | |
988 | assert (widget instanceof TMessageBox); | |
989 | secondaryEventReceiver = widget; | |
990 | secondaryEventHandler = new WidgetEventHandler(this, false); | |
991 | (new Thread(secondaryEventHandler)).start(); | |
c6940ed9 KL |
992 | } |
993 | ||
994 | /** | |
995 | * Yield to the secondary thread. | |
996 | */ | |
997 | public final void yield() { | |
998 | assert (secondaryEventReceiver != null); | |
99144c71 KL |
999 | // This is where we handoff the event handler lock from the primary |
1000 | // to secondary thread. We unlock here, and in a future loop the | |
1001 | // secondary thread locks again. When it gives up, we have the | |
1002 | // single lock back. | |
1003 | boolean oldLock = unlockHandleEvent(); | |
1004 | assert (oldLock == true); | |
1005 | ||
c6940ed9 | 1006 | while (secondaryEventReceiver != null) { |
92554d64 | 1007 | synchronized (primaryEventHandler) { |
c6940ed9 | 1008 | try { |
92554d64 | 1009 | primaryEventHandler.wait(); |
c6940ed9 KL |
1010 | } catch (InterruptedException e) { |
1011 | // SQUASH | |
1012 | } | |
1013 | } | |
1014 | } | |
a06459bd KL |
1015 | } |
1016 | ||
4328bb42 KL |
1017 | /** |
1018 | * Do stuff when there is no user input. | |
1019 | */ | |
1020 | private void doIdle() { | |
99144c71 KL |
1021 | if (debugThreads) { |
1022 | System.err.printf("doIdle()\n"); | |
1023 | } | |
1024 | ||
7b5261bc | 1025 | // Now run any timers that have timed out |
d502a0e9 KL |
1026 | Date now = new Date(); |
1027 | List<TTimer> keepTimers = new LinkedList<TTimer>(); | |
1028 | for (TTimer timer: timers) { | |
92554d64 | 1029 | if (timer.getNextTick().getTime() <= now.getTime()) { |
d502a0e9 | 1030 | timer.tick(); |
c6940ed9 | 1031 | if (timer.recurring) { |
d502a0e9 | 1032 | keepTimers.add(timer); |
7b5261bc KL |
1033 | } |
1034 | } else { | |
d502a0e9 | 1035 | keepTimers.add(timer); |
7b5261bc KL |
1036 | } |
1037 | } | |
1038 | timers = keepTimers; | |
1039 | ||
1040 | // Call onIdle's | |
d502a0e9 KL |
1041 | for (TWindow window: windows) { |
1042 | window.onIdle(); | |
7b5261bc | 1043 | } |
4328bb42 | 1044 | } |
7d4115a5 | 1045 | |
4328bb42 KL |
1046 | /** |
1047 | * Get the amount of time I can sleep before missing a Timer tick. | |
1048 | * | |
92554d64 | 1049 | * @param timeout = initial (maximum) timeout in millis |
4328bb42 KL |
1050 | * @return number of milliseconds between now and the next timer event |
1051 | */ | |
bd8d51fa | 1052 | private long getSleepTime(final long timeout) { |
d502a0e9 | 1053 | Date now = new Date(); |
92554d64 | 1054 | long nowTime = now.getTime(); |
d502a0e9 KL |
1055 | long sleepTime = timeout; |
1056 | for (TTimer timer: timers) { | |
92554d64 KL |
1057 | long nextTickTime = timer.getNextTick().getTime(); |
1058 | if (nextTickTime < nowTime) { | |
7b5261bc KL |
1059 | return 0; |
1060 | } | |
92554d64 KL |
1061 | |
1062 | long timeDifference = nextTickTime - nowTime; | |
1063 | if (timeDifference < sleepTime) { | |
1064 | sleepTime = timeDifference; | |
7b5261bc KL |
1065 | } |
1066 | } | |
d502a0e9 | 1067 | assert (sleepTime >= 0); |
92554d64 KL |
1068 | assert (sleepTime <= timeout); |
1069 | return sleepTime; | |
7d4115a5 | 1070 | } |
4328bb42 | 1071 | |
48e27807 KL |
1072 | /** |
1073 | * Close window. Note that the window's destructor is NOT called by this | |
1074 | * method, instead the GC is assumed to do the cleanup. | |
1075 | * | |
1076 | * @param window the window to remove | |
1077 | */ | |
1078 | public final void closeWindow(final TWindow window) { | |
bb35d919 KL |
1079 | synchronized (windows) { |
1080 | int z = window.getZ(); | |
1081 | window.setZ(-1); | |
1082 | Collections.sort(windows); | |
1083 | windows.remove(0); | |
1084 | TWindow activeWindow = null; | |
1085 | for (TWindow w: windows) { | |
1086 | if (w.getZ() > z) { | |
1087 | w.setZ(w.getZ() - 1); | |
1088 | if (w.getZ() == 0) { | |
1089 | w.setActive(true); | |
1090 | assert (activeWindow == null); | |
1091 | activeWindow = w; | |
1092 | } else { | |
1093 | w.setActive(false); | |
1094 | } | |
48e27807 KL |
1095 | } |
1096 | } | |
1097 | } | |
1098 | ||
1099 | // Perform window cleanup | |
1100 | window.onClose(); | |
1101 | ||
48e27807 | 1102 | // Check if we are closing a TMessageBox or similar |
c6940ed9 KL |
1103 | if (secondaryEventReceiver != null) { |
1104 | assert (secondaryEventHandler != null); | |
48e27807 KL |
1105 | |
1106 | // Do not send events to the secondaryEventReceiver anymore, the | |
1107 | // window is closed. | |
1108 | secondaryEventReceiver = null; | |
1109 | ||
92554d64 KL |
1110 | // Wake the secondary thread, it will wake the primary as it |
1111 | // exits. | |
1112 | synchronized (secondaryEventHandler) { | |
1113 | secondaryEventHandler.notify(); | |
48e27807 KL |
1114 | } |
1115 | } | |
48e27807 KL |
1116 | } |
1117 | ||
1118 | /** | |
1119 | * Switch to the next window. | |
1120 | * | |
1121 | * @param forward if true, then switch to the next window in the list, | |
1122 | * otherwise switch to the previous window in the list | |
1123 | */ | |
1124 | public final void switchWindow(final boolean forward) { | |
48e27807 | 1125 | // Only switch if there are multiple windows |
fca67db0 | 1126 | if (windows.size() < 2) { |
48e27807 KL |
1127 | return; |
1128 | } | |
1129 | ||
bb35d919 KL |
1130 | synchronized (windows) { |
1131 | ||
1132 | // Swap z/active between active window and the next in the list | |
1133 | int activeWindowI = -1; | |
1134 | for (int i = 0; i < windows.size(); i++) { | |
7c870d89 | 1135 | if (windows.get(i).isActive()) { |
bb35d919 KL |
1136 | activeWindowI = i; |
1137 | break; | |
1138 | } | |
48e27807 | 1139 | } |
bb35d919 | 1140 | assert (activeWindowI >= 0); |
48e27807 | 1141 | |
bb35d919 KL |
1142 | // Do not switch if a window is modal |
1143 | if (windows.get(activeWindowI).isModal()) { | |
1144 | return; | |
1145 | } | |
48e27807 | 1146 | |
bb35d919 KL |
1147 | int nextWindowI; |
1148 | if (forward) { | |
1149 | nextWindowI = (activeWindowI + 1) % windows.size(); | |
48e27807 | 1150 | } else { |
bb35d919 KL |
1151 | if (activeWindowI == 0) { |
1152 | nextWindowI = windows.size() - 1; | |
1153 | } else { | |
1154 | nextWindowI = activeWindowI - 1; | |
1155 | } | |
48e27807 | 1156 | } |
bb35d919 KL |
1157 | windows.get(activeWindowI).setActive(false); |
1158 | windows.get(activeWindowI).setZ(windows.get(nextWindowI).getZ()); | |
1159 | windows.get(nextWindowI).setZ(0); | |
1160 | windows.get(nextWindowI).setActive(true); | |
1161 | ||
1162 | } // synchronized (windows) | |
48e27807 | 1163 | |
48e27807 KL |
1164 | } |
1165 | ||
1166 | /** | |
1167 | * Add a window to my window list and make it active. | |
1168 | * | |
1169 | * @param window new window to add | |
1170 | */ | |
1171 | public final void addWindow(final TWindow window) { | |
bb35d919 KL |
1172 | synchronized (windows) { |
1173 | // Do not allow a modal window to spawn a non-modal window | |
1174 | if ((windows.size() > 0) && (windows.get(0).isModal())) { | |
1175 | assert (window.isModal()); | |
1176 | } | |
1177 | for (TWindow w: windows) { | |
1178 | w.setActive(false); | |
1179 | w.setZ(w.getZ() + 1); | |
1180 | } | |
1181 | windows.add(window); | |
1182 | window.setActive(true); | |
1183 | window.setZ(0); | |
48e27807 | 1184 | } |
48e27807 KL |
1185 | } |
1186 | ||
fca67db0 KL |
1187 | /** |
1188 | * Check if there is a system-modal window on top. | |
1189 | * | |
1190 | * @return true if the active window is modal | |
1191 | */ | |
1192 | private boolean modalWindowActive() { | |
1193 | if (windows.size() == 0) { | |
1194 | return false; | |
1195 | } | |
1196 | return windows.get(windows.size() - 1).isModal(); | |
1197 | } | |
1198 | ||
1199 | /** | |
1200 | * Check if a mouse event would hit either the active menu or any open | |
1201 | * sub-menus. | |
1202 | * | |
1203 | * @param mouse mouse event | |
1204 | * @return true if the mouse would hit the active menu or an open | |
1205 | * sub-menu | |
1206 | */ | |
1207 | private boolean mouseOnMenu(final TMouseEvent mouse) { | |
1208 | assert (activeMenu != null); | |
1209 | List<TMenu> menus = new LinkedList<TMenu>(subMenus); | |
1210 | Collections.reverse(menus); | |
1211 | for (TMenu menu: menus) { | |
1212 | if (menu.mouseWouldHit(mouse)) { | |
1213 | return true; | |
1214 | } | |
1215 | } | |
1216 | return activeMenu.mouseWouldHit(mouse); | |
1217 | } | |
1218 | ||
1219 | /** | |
1220 | * See if we need to switch window or activate the menu based on | |
1221 | * a mouse click. | |
1222 | * | |
1223 | * @param mouse mouse event | |
1224 | */ | |
1225 | private void checkSwitchFocus(final TMouseEvent mouse) { | |
1226 | ||
1227 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
1228 | && (activeMenu != null) | |
1229 | && (mouse.getAbsoluteY() != 0) | |
1230 | && (!mouseOnMenu(mouse)) | |
1231 | ) { | |
1232 | // They clicked outside the active menu, turn it off | |
1233 | activeMenu.setActive(false); | |
1234 | activeMenu = null; | |
1235 | for (TMenu menu: subMenus) { | |
1236 | menu.setActive(false); | |
1237 | } | |
1238 | subMenus.clear(); | |
1239 | // Continue checks | |
1240 | } | |
1241 | ||
1242 | // See if they hit the menu bar | |
1243 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
7c870d89 | 1244 | && (mouse.isMouse1()) |
fca67db0 KL |
1245 | && (!modalWindowActive()) |
1246 | && (mouse.getAbsoluteY() == 0) | |
1247 | ) { | |
1248 | ||
1249 | for (TMenu menu: subMenus) { | |
1250 | menu.setActive(false); | |
1251 | } | |
1252 | subMenus.clear(); | |
1253 | ||
1254 | // They selected the menu, go activate it | |
1255 | for (TMenu menu: menus) { | |
1256 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
1257 | && (mouse.getAbsoluteX() < menu.getX() | |
1258 | + menu.getTitle().length() + 2) | |
1259 | ) { | |
1260 | menu.setActive(true); | |
1261 | activeMenu = menu; | |
1262 | } else { | |
1263 | menu.setActive(false); | |
1264 | } | |
1265 | } | |
fca67db0 KL |
1266 | return; |
1267 | } | |
1268 | ||
1269 | // See if they hit the menu bar | |
1270 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
7c870d89 | 1271 | && (mouse.isMouse1()) |
fca67db0 KL |
1272 | && (activeMenu != null) |
1273 | && (mouse.getAbsoluteY() == 0) | |
1274 | ) { | |
1275 | ||
1276 | TMenu oldMenu = activeMenu; | |
1277 | for (TMenu menu: subMenus) { | |
1278 | menu.setActive(false); | |
1279 | } | |
1280 | subMenus.clear(); | |
1281 | ||
1282 | // See if we should switch menus | |
1283 | for (TMenu menu: menus) { | |
1284 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
1285 | && (mouse.getAbsoluteX() < menu.getX() | |
1286 | + menu.getTitle().length() + 2) | |
1287 | ) { | |
1288 | menu.setActive(true); | |
1289 | activeMenu = menu; | |
1290 | } | |
1291 | } | |
1292 | if (oldMenu != activeMenu) { | |
1293 | // They switched menus | |
1294 | oldMenu.setActive(false); | |
1295 | } | |
fca67db0 KL |
1296 | return; |
1297 | } | |
1298 | ||
1299 | // Only switch if there are multiple windows | |
1300 | if (windows.size() < 2) { | |
1301 | return; | |
1302 | } | |
1303 | ||
1304 | // Switch on the upclick | |
1305 | if (mouse.getType() != TMouseEvent.Type.MOUSE_UP) { | |
1306 | return; | |
1307 | } | |
1308 | ||
bb35d919 KL |
1309 | synchronized (windows) { |
1310 | Collections.sort(windows); | |
1311 | if (windows.get(0).isModal()) { | |
1312 | // Modal windows don't switch | |
1313 | return; | |
1314 | } | |
fca67db0 | 1315 | |
bb35d919 KL |
1316 | for (TWindow window: windows) { |
1317 | assert (!window.isModal()); | |
1318 | if (window.mouseWouldHit(mouse)) { | |
1319 | if (window == windows.get(0)) { | |
1320 | // Clicked on the same window, nothing to do | |
1321 | return; | |
1322 | } | |
1323 | ||
1324 | // We will be switching to another window | |
7c870d89 KL |
1325 | assert (windows.get(0).isActive()); |
1326 | assert (!window.isActive()); | |
bb35d919 KL |
1327 | windows.get(0).setActive(false); |
1328 | windows.get(0).setZ(window.getZ()); | |
1329 | window.setZ(0); | |
1330 | window.setActive(true); | |
fca67db0 KL |
1331 | return; |
1332 | } | |
fca67db0 KL |
1333 | } |
1334 | } | |
1335 | ||
1336 | // Clicked on the background, nothing to do | |
1337 | return; | |
1338 | } | |
1339 | ||
1340 | /** | |
1341 | * Turn off the menu. | |
1342 | */ | |
928811d8 | 1343 | public final void closeMenu() { |
fca67db0 KL |
1344 | if (activeMenu != null) { |
1345 | activeMenu.setActive(false); | |
1346 | activeMenu = null; | |
1347 | for (TMenu menu: subMenus) { | |
1348 | menu.setActive(false); | |
1349 | } | |
1350 | subMenus.clear(); | |
1351 | } | |
fca67db0 KL |
1352 | } |
1353 | ||
1354 | /** | |
1355 | * Turn off a sub-menu. | |
1356 | */ | |
928811d8 | 1357 | public final void closeSubMenu() { |
fca67db0 KL |
1358 | assert (activeMenu != null); |
1359 | TMenu item = subMenus.get(subMenus.size() - 1); | |
1360 | assert (item != null); | |
1361 | item.setActive(false); | |
1362 | subMenus.remove(subMenus.size() - 1); | |
fca67db0 KL |
1363 | } |
1364 | ||
1365 | /** | |
1366 | * Switch to the next menu. | |
1367 | * | |
1368 | * @param forward if true, then switch to the next menu in the list, | |
1369 | * otherwise switch to the previous menu in the list | |
1370 | */ | |
928811d8 | 1371 | public final void switchMenu(final boolean forward) { |
fca67db0 KL |
1372 | assert (activeMenu != null); |
1373 | ||
1374 | for (TMenu menu: subMenus) { | |
1375 | menu.setActive(false); | |
1376 | } | |
1377 | subMenus.clear(); | |
1378 | ||
1379 | for (int i = 0; i < menus.size(); i++) { | |
1380 | if (activeMenu == menus.get(i)) { | |
1381 | if (forward) { | |
1382 | if (i < menus.size() - 1) { | |
1383 | i++; | |
1384 | } | |
1385 | } else { | |
1386 | if (i > 0) { | |
1387 | i--; | |
1388 | } | |
1389 | } | |
1390 | activeMenu.setActive(false); | |
1391 | activeMenu = menus.get(i); | |
1392 | activeMenu.setActive(true); | |
fca67db0 KL |
1393 | return; |
1394 | } | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | /** | |
1399 | * Method that TApplication subclasses can override to handle menu or | |
1400 | * posted command events. | |
1401 | * | |
1402 | * @param command command event | |
1403 | * @return if true, this event was consumed | |
1404 | */ | |
1405 | protected boolean onCommand(final TCommandEvent command) { | |
fca67db0 KL |
1406 | // Default: handle cmExit |
1407 | if (command.equals(cmExit)) { | |
1408 | if (messageBox("Confirmation", "Exit application?", | |
c6940ed9 | 1409 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
fca67db0 KL |
1410 | quit = true; |
1411 | } | |
fca67db0 KL |
1412 | return true; |
1413 | } | |
1414 | ||
1415 | if (command.equals(cmShell)) { | |
34a42e78 | 1416 | openTerminal(0, 0, TWindow.RESIZABLE); |
fca67db0 KL |
1417 | return true; |
1418 | } | |
1419 | ||
1420 | if (command.equals(cmTile)) { | |
1421 | tileWindows(); | |
fca67db0 KL |
1422 | return true; |
1423 | } | |
1424 | if (command.equals(cmCascade)) { | |
1425 | cascadeWindows(); | |
fca67db0 KL |
1426 | return true; |
1427 | } | |
1428 | if (command.equals(cmCloseAll)) { | |
1429 | closeAllWindows(); | |
fca67db0 KL |
1430 | return true; |
1431 | } | |
c6940ed9 | 1432 | |
fca67db0 KL |
1433 | return false; |
1434 | } | |
1435 | ||
1436 | /** | |
1437 | * Method that TApplication subclasses can override to handle menu | |
1438 | * events. | |
1439 | * | |
1440 | * @param menu menu event | |
1441 | * @return if true, this event was consumed | |
1442 | */ | |
1443 | protected boolean onMenu(final TMenuEvent menu) { | |
1444 | ||
fca67db0 | 1445 | // Default: handle MID_EXIT |
8e688b92 | 1446 | if (menu.getId() == TMenu.MID_EXIT) { |
fca67db0 | 1447 | if (messageBox("Confirmation", "Exit application?", |
c6940ed9 | 1448 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
fca67db0 KL |
1449 | quit = true; |
1450 | } | |
fca67db0 KL |
1451 | return true; |
1452 | } | |
1453 | ||
34a42e78 KL |
1454 | if (menu.getId() == TMenu.MID_SHELL) { |
1455 | openTerminal(0, 0, TWindow.RESIZABLE); | |
fca67db0 KL |
1456 | return true; |
1457 | } | |
1458 | ||
8e688b92 | 1459 | if (menu.getId() == TMenu.MID_TILE) { |
fca67db0 | 1460 | tileWindows(); |
fca67db0 KL |
1461 | return true; |
1462 | } | |
8e688b92 | 1463 | if (menu.getId() == TMenu.MID_CASCADE) { |
fca67db0 | 1464 | cascadeWindows(); |
fca67db0 KL |
1465 | return true; |
1466 | } | |
8e688b92 | 1467 | if (menu.getId() == TMenu.MID_CLOSE_ALL) { |
fca67db0 | 1468 | closeAllWindows(); |
fca67db0 KL |
1469 | return true; |
1470 | } | |
fca67db0 KL |
1471 | return false; |
1472 | } | |
1473 | ||
1474 | /** | |
1475 | * Method that TApplication subclasses can override to handle keystrokes. | |
1476 | * | |
1477 | * @param keypress keystroke event | |
1478 | * @return if true, this event was consumed | |
1479 | */ | |
1480 | protected boolean onKeypress(final TKeypressEvent keypress) { | |
1481 | // Default: only menu shortcuts | |
1482 | ||
1483 | // Process Alt-F, Alt-E, etc. menu shortcut keys | |
7c870d89 KL |
1484 | if (!keypress.getKey().isFnKey() |
1485 | && keypress.getKey().isAlt() | |
1486 | && !keypress.getKey().isCtrl() | |
fca67db0 KL |
1487 | && (activeMenu == null) |
1488 | ) { | |
1489 | ||
1490 | assert (subMenus.size() == 0); | |
1491 | ||
1492 | for (TMenu menu: menus) { | |
1493 | if (Character.toLowerCase(menu.getMnemonic().getShortcut()) | |
7c870d89 | 1494 | == Character.toLowerCase(keypress.getKey().getChar()) |
fca67db0 KL |
1495 | ) { |
1496 | activeMenu = menu; | |
1497 | menu.setActive(true); | |
fca67db0 KL |
1498 | return true; |
1499 | } | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | return false; | |
1504 | } | |
48e27807 | 1505 | |
928811d8 KL |
1506 | /** |
1507 | * Add a keyboard accelerator to the global hash. | |
1508 | * | |
1509 | * @param item menu item this accelerator relates to | |
1510 | * @param keypress keypress that will dispatch a TMenuEvent | |
1511 | */ | |
1512 | public final void addAccelerator(final TMenuItem item, | |
1513 | final TKeypress keypress) { | |
e826b451 | 1514 | |
e826b451 KL |
1515 | synchronized (accelerators) { |
1516 | assert (accelerators.get(keypress) == null); | |
1517 | accelerators.put(keypress, item); | |
1518 | } | |
928811d8 KL |
1519 | } |
1520 | ||
1521 | /** | |
1522 | * Recompute menu x positions based on their title length. | |
1523 | */ | |
1524 | public final void recomputeMenuX() { | |
1525 | int x = 0; | |
1526 | for (TMenu menu: menus) { | |
1527 | menu.setX(x); | |
1528 | x += menu.getTitle().length() + 2; | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | /** | |
1533 | * Post an event to process and turn off the menu. | |
1534 | * | |
1535 | * @param event new event to add to the queue | |
1536 | */ | |
1537 | public final void addMenuEvent(final TInputEvent event) { | |
8e688b92 KL |
1538 | synchronized (fillEventQueue) { |
1539 | fillEventQueue.add(event); | |
1540 | } | |
928811d8 KL |
1541 | closeMenu(); |
1542 | } | |
1543 | ||
1544 | /** | |
1545 | * Add a sub-menu to the list of open sub-menus. | |
1546 | * | |
1547 | * @param menu sub-menu | |
1548 | */ | |
1549 | public final void addSubMenu(final TMenu menu) { | |
1550 | subMenus.add(menu); | |
1551 | } | |
1552 | ||
8e688b92 KL |
1553 | /** |
1554 | * Convenience function to add a top-level menu. | |
1555 | * | |
1556 | * @param title menu title | |
1557 | * @return the new menu | |
1558 | */ | |
87a17f3c | 1559 | public final TMenu addMenu(final String title) { |
8e688b92 KL |
1560 | int x = 0; |
1561 | int y = 0; | |
1562 | TMenu menu = new TMenu(this, x, y, title); | |
1563 | menus.add(menu); | |
1564 | recomputeMenuX(); | |
1565 | return menu; | |
1566 | } | |
1567 | ||
1568 | /** | |
1569 | * Convenience function to add a default "File" menu. | |
1570 | * | |
1571 | * @return the new menu | |
1572 | */ | |
1573 | public final TMenu addFileMenu() { | |
1574 | TMenu fileMenu = addMenu("&File"); | |
1575 | fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE); | |
1576 | fileMenu.addSeparator(); | |
1577 | fileMenu.addDefaultItem(TMenu.MID_SHELL); | |
1578 | fileMenu.addDefaultItem(TMenu.MID_EXIT); | |
1579 | return fileMenu; | |
1580 | } | |
1581 | ||
1582 | /** | |
1583 | * Convenience function to add a default "Edit" menu. | |
1584 | * | |
1585 | * @return the new menu | |
1586 | */ | |
1587 | public final TMenu addEditMenu() { | |
1588 | TMenu editMenu = addMenu("&Edit"); | |
1589 | editMenu.addDefaultItem(TMenu.MID_CUT); | |
1590 | editMenu.addDefaultItem(TMenu.MID_COPY); | |
1591 | editMenu.addDefaultItem(TMenu.MID_PASTE); | |
1592 | editMenu.addDefaultItem(TMenu.MID_CLEAR); | |
1593 | return editMenu; | |
1594 | } | |
1595 | ||
1596 | /** | |
1597 | * Convenience function to add a default "Window" menu. | |
1598 | * | |
1599 | * @return the new menu | |
1600 | */ | |
c6940ed9 | 1601 | public final TMenu addWindowMenu() { |
8e688b92 KL |
1602 | TMenu windowMenu = addMenu("&Window"); |
1603 | windowMenu.addDefaultItem(TMenu.MID_TILE); | |
1604 | windowMenu.addDefaultItem(TMenu.MID_CASCADE); | |
1605 | windowMenu.addDefaultItem(TMenu.MID_CLOSE_ALL); | |
1606 | windowMenu.addSeparator(); | |
1607 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_MOVE); | |
1608 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_ZOOM); | |
1609 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_NEXT); | |
1610 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_PREVIOUS); | |
1611 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_CLOSE); | |
1612 | return windowMenu; | |
1613 | } | |
1614 | ||
1615 | /** | |
1616 | * Close all open windows. | |
1617 | */ | |
1618 | private void closeAllWindows() { | |
1619 | // Don't do anything if we are in the menu | |
1620 | if (activeMenu != null) { | |
1621 | return; | |
1622 | } | |
bb35d919 KL |
1623 | |
1624 | synchronized (windows) { | |
1625 | for (TWindow window: windows) { | |
1626 | closeWindow(window); | |
1627 | } | |
8e688b92 KL |
1628 | } |
1629 | } | |
1630 | ||
1631 | /** | |
1632 | * Re-layout the open windows as non-overlapping tiles. This produces | |
1633 | * almost the same results as Turbo Pascal 7.0's IDE. | |
1634 | */ | |
1635 | private void tileWindows() { | |
bb35d919 KL |
1636 | synchronized (windows) { |
1637 | // Don't do anything if we are in the menu | |
1638 | if (activeMenu != null) { | |
1639 | return; | |
8e688b92 | 1640 | } |
bb35d919 KL |
1641 | int z = windows.size(); |
1642 | if (z == 0) { | |
1643 | return; | |
1644 | } | |
1645 | int a = 0; | |
1646 | int b = 0; | |
1647 | a = (int)(Math.sqrt(z)); | |
1648 | int c = 0; | |
1649 | while (c < a) { | |
1650 | b = (z - c) / a; | |
1651 | if (((a * b) + c) == z) { | |
1652 | break; | |
1653 | } | |
1654 | c++; | |
8e688b92 | 1655 | } |
bb35d919 KL |
1656 | assert (a > 0); |
1657 | assert (b > 0); | |
1658 | assert (c < a); | |
1659 | int newWidth = (getScreen().getWidth() / a); | |
1660 | int newHeight1 = ((getScreen().getHeight() - 1) / b); | |
1661 | int newHeight2 = ((getScreen().getHeight() - 1) / (b + c)); | |
1662 | ||
1663 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1664 | Collections.sort(sorted); | |
1665 | Collections.reverse(sorted); | |
1666 | for (int i = 0; i < sorted.size(); i++) { | |
1667 | int logicalX = i / b; | |
1668 | int logicalY = i % b; | |
1669 | if (i >= ((a - 1) * b)) { | |
1670 | logicalX = a - 1; | |
1671 | logicalY = i - ((a - 1) * b); | |
1672 | } | |
8e688b92 | 1673 | |
bb35d919 KL |
1674 | TWindow w = sorted.get(i); |
1675 | w.setX(logicalX * newWidth); | |
1676 | w.setWidth(newWidth); | |
1677 | if (i >= ((a - 1) * b)) { | |
1678 | w.setY((logicalY * newHeight2) + 1); | |
1679 | w.setHeight(newHeight2); | |
1680 | } else { | |
1681 | w.setY((logicalY * newHeight1) + 1); | |
1682 | w.setHeight(newHeight1); | |
1683 | } | |
8e688b92 KL |
1684 | } |
1685 | } | |
1686 | } | |
1687 | ||
1688 | /** | |
1689 | * Re-layout the open windows as overlapping cascaded windows. | |
1690 | */ | |
1691 | private void cascadeWindows() { | |
bb35d919 KL |
1692 | synchronized (windows) { |
1693 | // Don't do anything if we are in the menu | |
1694 | if (activeMenu != null) { | |
1695 | return; | |
8e688b92 | 1696 | } |
bb35d919 KL |
1697 | int x = 0; |
1698 | int y = 1; | |
1699 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1700 | Collections.sort(sorted); | |
1701 | Collections.reverse(sorted); | |
1702 | for (TWindow window: sorted) { | |
1703 | window.setX(x); | |
1704 | window.setY(y); | |
1705 | x++; | |
1706 | y++; | |
1707 | if (x > getScreen().getWidth()) { | |
1708 | x = 0; | |
1709 | } | |
1710 | if (y >= getScreen().getHeight()) { | |
1711 | y = 1; | |
1712 | } | |
8e688b92 KL |
1713 | } |
1714 | } | |
1715 | } | |
1716 | ||
d502a0e9 KL |
1717 | /** |
1718 | * Convenience function to add a timer. | |
1719 | * | |
1720 | * @param duration number of milliseconds to wait between ticks | |
1721 | * @param recurring if true, re-schedule this timer after every tick | |
1722 | * @param action function to call when button is pressed | |
c6940ed9 | 1723 | * @return the timer |
d502a0e9 KL |
1724 | */ |
1725 | public final TTimer addTimer(final long duration, final boolean recurring, | |
1726 | final TAction action) { | |
1727 | ||
1728 | TTimer timer = new TTimer(duration, recurring, action); | |
1729 | synchronized (timers) { | |
1730 | timers.add(timer); | |
1731 | } | |
1732 | return timer; | |
1733 | } | |
1734 | ||
1735 | /** | |
1736 | * Convenience function to remove a timer. | |
1737 | * | |
1738 | * @param timer timer to remove | |
1739 | */ | |
1740 | public final void removeTimer(final TTimer timer) { | |
1741 | synchronized (timers) { | |
1742 | timers.remove(timer); | |
1743 | } | |
1744 | } | |
1745 | ||
c6940ed9 KL |
1746 | /** |
1747 | * Convenience function to spawn a message box. | |
1748 | * | |
1749 | * @param title window title, will be centered along the top border | |
1750 | * @param caption message to display. Use embedded newlines to get a | |
1751 | * multi-line box. | |
1752 | * @return the new message box | |
1753 | */ | |
1754 | public final TMessageBox messageBox(final String title, | |
1755 | final String caption) { | |
1756 | ||
1757 | return new TMessageBox(this, title, caption, TMessageBox.Type.OK); | |
1758 | } | |
1759 | ||
1760 | /** | |
1761 | * Convenience function to spawn a message box. | |
1762 | * | |
1763 | * @param title window title, will be centered along the top border | |
1764 | * @param caption message to display. Use embedded newlines to get a | |
1765 | * multi-line box. | |
1766 | * @param type one of the TMessageBox.Type constants. Default is | |
1767 | * Type.OK. | |
1768 | * @return the new message box | |
1769 | */ | |
1770 | public final TMessageBox messageBox(final String title, | |
1771 | final String caption, final TMessageBox.Type type) { | |
1772 | ||
1773 | return new TMessageBox(this, title, caption, type); | |
1774 | } | |
1775 | ||
1776 | /** | |
1777 | * Convenience function to spawn an input box. | |
1778 | * | |
1779 | * @param title window title, will be centered along the top border | |
1780 | * @param caption message to display. Use embedded newlines to get a | |
1781 | * multi-line box. | |
1782 | * @return the new input box | |
1783 | */ | |
1784 | public final TInputBox inputBox(final String title, final String caption) { | |
1785 | ||
1786 | return new TInputBox(this, title, caption); | |
1787 | } | |
1788 | ||
1789 | /** | |
1790 | * Convenience function to spawn an input box. | |
1791 | * | |
1792 | * @param title window title, will be centered along the top border | |
1793 | * @param caption message to display. Use embedded newlines to get a | |
1794 | * multi-line box. | |
1795 | * @param text initial text to seed the field with | |
1796 | * @return the new input box | |
1797 | */ | |
1798 | public final TInputBox inputBox(final String title, final String caption, | |
1799 | final String text) { | |
1800 | ||
1801 | return new TInputBox(this, title, caption, text); | |
1802 | } | |
1ac2ccb1 | 1803 | |
34a42e78 KL |
1804 | /** |
1805 | * Convenience function to open a terminal window. | |
1806 | * | |
1807 | * @param x column relative to parent | |
1808 | * @param y row relative to parent | |
1809 | * @return the terminal new window | |
1810 | */ | |
1811 | public final TTerminalWindow openTerminal(final int x, final int y) { | |
1812 | return openTerminal(x, y, TWindow.RESIZABLE); | |
1813 | } | |
1814 | ||
1815 | /** | |
1816 | * Convenience function to open a terminal window. | |
1817 | * | |
1818 | * @param x column relative to parent | |
1819 | * @param y row relative to parent | |
1820 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
1821 | * @return the terminal new window | |
1822 | */ | |
1823 | public final TTerminalWindow openTerminal(final int x, final int y, | |
1824 | final int flags) { | |
1825 | ||
1826 | return new TTerminalWindow(this, x, y, flags); | |
1827 | } | |
1828 | ||
7d4115a5 | 1829 | } |