Commit | Line | Data |
---|---|---|
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; | |
1ac2ccb1 | 54 | import jexer.backend.AWTBackend; |
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 | */ | |
64 | public class TApplication { | |
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 | ||
c6940ed9 KL |
76 | /** |
77 | * WidgetEventHandler is the main event consumer loop. There are at most | |
78 | * two such threads in existence: the primary for normal case and a | |
79 | * secondary that is used for TMessageBox, TInputBox, and similar. | |
80 | */ | |
81 | private class WidgetEventHandler implements Runnable { | |
82 | /** | |
83 | * The main application. | |
84 | */ | |
85 | private TApplication application; | |
86 | ||
87 | /** | |
88 | * Whether or not this WidgetEventHandler is the primary or secondary | |
89 | * thread. | |
90 | */ | |
91 | private boolean primary = true; | |
92 | ||
93 | /** | |
94 | * Public constructor. | |
95 | * | |
96 | * @param application the main application | |
97 | * @param primary if true, this is the primary event handler thread | |
98 | */ | |
99 | public WidgetEventHandler(final TApplication application, | |
100 | final boolean primary) { | |
101 | ||
102 | this.application = application; | |
103 | this.primary = primary; | |
104 | } | |
105 | ||
106 | /** | |
107 | * The consumer loop. | |
108 | */ | |
109 | public void run() { | |
110 | ||
111 | // Loop forever | |
112 | while (!application.quit) { | |
113 | ||
114 | // Wait until application notifies me | |
115 | while (!application.quit) { | |
116 | try { | |
117 | synchronized (application.drainEventQueue) { | |
118 | if (application.drainEventQueue.size() > 0) { | |
119 | break; | |
120 | } | |
121 | } | |
92554d64 KL |
122 | |
123 | synchronized (this) { | |
bd8d51fa KL |
124 | if (debugThreads) { |
125 | System.err.printf("%s %s sleep\n", this, | |
126 | primary ? "primary" : "secondary"); | |
127 | } | |
92554d64 KL |
128 | |
129 | this.wait(); | |
130 | ||
bd8d51fa KL |
131 | if (debugThreads) { |
132 | System.err.printf("%s %s AWAKE\n", this, | |
133 | primary ? "primary" : "secondary"); | |
134 | } | |
92554d64 | 135 | |
c6940ed9 KL |
136 | if ((!primary) |
137 | && (application.secondaryEventReceiver == null) | |
138 | ) { | |
92554d64 KL |
139 | // Secondary thread, emergency exit. If we |
140 | // got here then something went wrong with | |
141 | // the handoff between yield() and | |
142 | // closeWindow(). | |
92554d64 KL |
143 | synchronized (application.primaryEventHandler) { |
144 | application.primaryEventHandler.notify(); | |
145 | } | |
146 | application.secondaryEventHandler = null; | |
bd8d51fa KL |
147 | throw new RuntimeException( |
148 | "secondary exited at wrong time"); | |
c6940ed9 KL |
149 | } |
150 | break; | |
151 | } | |
152 | } catch (InterruptedException e) { | |
153 | // SQUASH | |
154 | } | |
155 | } | |
156 | ||
157 | // Pull all events off the queue | |
158 | for (;;) { | |
159 | TInputEvent event = null; | |
160 | synchronized (application.drainEventQueue) { | |
161 | if (application.drainEventQueue.size() == 0) { | |
162 | break; | |
163 | } | |
164 | event = application.drainEventQueue.remove(0); | |
165 | } | |
99144c71 KL |
166 | // Wait for drawAll() or doIdle() to be done, then handle |
167 | // the event. | |
168 | boolean oldLock = lockHandleEvent(); | |
169 | assert (oldLock == false); | |
bd8d51fa | 170 | application.repaint = true; |
c6940ed9 KL |
171 | if (primary) { |
172 | primaryHandleEvent(event); | |
173 | } else { | |
174 | secondaryHandleEvent(event); | |
175 | } | |
176 | if ((!primary) | |
177 | && (application.secondaryEventReceiver == null) | |
178 | ) { | |
99144c71 KL |
179 | // Secondary thread, time to exit. |
180 | ||
181 | // DO NOT UNLOCK. Primary thread just came back from | |
182 | // primaryHandleEvent() and will unlock in the else | |
92554d64 KL |
183 | // block below. Just wake it up. |
184 | synchronized (application.primaryEventHandler) { | |
185 | application.primaryEventHandler.notify(); | |
186 | } | |
187 | // Now eliminate my reference so that | |
188 | // wakeEventHandler() resumes working on the primary. | |
189 | application.secondaryEventHandler = null; | |
190 | ||
191 | // All done! | |
c6940ed9 | 192 | return; |
99144c71 KL |
193 | } else { |
194 | // Unlock. Either I am primary thread, or I am | |
195 | // secondary thread and still running. | |
196 | oldLock = unlockHandleEvent(); | |
197 | assert (oldLock == true); | |
c6940ed9 | 198 | } |
92554d64 KL |
199 | } // for (;;) |
200 | ||
201 | // I have done some work of some kind. Tell the main run() | |
202 | // loop to wake up now. | |
203 | synchronized (application) { | |
204 | application.notify(); | |
c6940ed9 | 205 | } |
92554d64 | 206 | |
c6940ed9 KL |
207 | } // while (true) (main runnable loop) |
208 | } | |
209 | } | |
210 | ||
211 | /** | |
212 | * The primary event handler thread. | |
213 | */ | |
92554d64 | 214 | private volatile WidgetEventHandler primaryEventHandler; |
c6940ed9 KL |
215 | |
216 | /** | |
217 | * The secondary event handler thread. | |
218 | */ | |
92554d64 | 219 | private volatile WidgetEventHandler secondaryEventHandler; |
c6940ed9 KL |
220 | |
221 | /** | |
222 | * The widget receiving events from the secondary event handler thread. | |
223 | */ | |
92554d64 | 224 | private volatile TWidget secondaryEventReceiver; |
c6940ed9 | 225 | |
99144c71 KL |
226 | /** |
227 | * Spinlock for the primary and secondary event handlers. | |
228 | * WidgetEventHandler.run() is responsible for setting this value. | |
229 | */ | |
230 | private volatile boolean insideHandleEvent = false; | |
231 | ||
92554d64 KL |
232 | /** |
233 | * Wake the sleeping active event handler. | |
234 | */ | |
235 | private void wakeEventHandler() { | |
236 | if (secondaryEventHandler != null) { | |
237 | synchronized (secondaryEventHandler) { | |
238 | secondaryEventHandler.notify(); | |
239 | } | |
240 | } else { | |
241 | assert (primaryEventHandler != null); | |
242 | synchronized (primaryEventHandler) { | |
243 | primaryEventHandler.notify(); | |
244 | } | |
245 | } | |
246 | } | |
247 | ||
99144c71 KL |
248 | /** |
249 | * Set the insideHandleEvent flag to true. lockoutEventHandlers() will | |
250 | * spin indefinitely until unlockHandleEvent() is called. | |
251 | * | |
252 | * @return the old value of insideHandleEvent | |
253 | */ | |
254 | private boolean lockHandleEvent() { | |
255 | if (debugThreads) { | |
256 | System.err.printf(" >> lockHandleEvent(): oldValue %s", | |
257 | insideHandleEvent); | |
258 | } | |
259 | boolean oldValue = true; | |
260 | ||
261 | synchronized (this) { | |
262 | // Wait for TApplication.run() to finish using the global state | |
263 | // before allowing further event processing. | |
bd8d51fa | 264 | while (lockoutHandleEvent == true) {} |
99144c71 KL |
265 | |
266 | oldValue = insideHandleEvent; | |
267 | insideHandleEvent = true; | |
268 | } | |
269 | ||
270 | if (debugThreads) { | |
271 | System.err.printf(" ***\n"); | |
272 | } | |
273 | return oldValue; | |
274 | } | |
275 | ||
276 | /** | |
277 | * Set the insideHandleEvent flag to false. lockoutEventHandlers() will | |
278 | * spin indefinitely until unlockHandleEvent() is called. | |
279 | * | |
280 | * @return the old value of insideHandleEvent | |
281 | */ | |
282 | private boolean unlockHandleEvent() { | |
283 | if (debugThreads) { | |
284 | System.err.printf(" << unlockHandleEvent(): oldValue %s\n", | |
285 | insideHandleEvent); | |
286 | } | |
287 | synchronized (this) { | |
288 | boolean oldValue = insideHandleEvent; | |
289 | insideHandleEvent = false; | |
290 | return oldValue; | |
291 | } | |
292 | } | |
293 | ||
294 | /** | |
295 | * Spinlock for the primary and secondary event handlers. When true, the | |
296 | * event handlers will spinlock wait before calling handleEvent(). | |
297 | */ | |
298 | private volatile boolean lockoutHandleEvent = false; | |
299 | ||
300 | /** | |
301 | * TApplication.run() needs to be able rely on the global data structures | |
302 | * being intact when calling doIdle() and drawAll(). Tell the event | |
303 | * handlers to wait for an unlock before handling their events. | |
304 | */ | |
305 | private void stopEventHandlers() { | |
306 | if (debugThreads) { | |
307 | System.err.printf(">> stopEventHandlers()"); | |
308 | } | |
309 | ||
310 | lockoutHandleEvent = true; | |
311 | // Wait for the last event to finish processing before returning | |
312 | // control to TApplication.run(). | |
bd8d51fa | 313 | while (insideHandleEvent == true) {} |
99144c71 KL |
314 | |
315 | if (debugThreads) { | |
316 | System.err.printf(" XXX\n"); | |
317 | } | |
318 | } | |
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 that it is now OK to handle their events. | |
324 | */ | |
325 | private void startEventHandlers() { | |
326 | if (debugThreads) { | |
327 | System.err.printf("<< startEventHandlers()\n"); | |
328 | } | |
329 | lockoutHandleEvent = false; | |
330 | } | |
331 | ||
7d4115a5 | 332 | /** |
4328bb42 KL |
333 | * Access to the physical screen, keyboard, and mouse. |
334 | */ | |
7b5261bc | 335 | private Backend backend; |
4328bb42 | 336 | |
48e27807 KL |
337 | /** |
338 | * Get the Screen. | |
339 | * | |
340 | * @return the Screen | |
341 | */ | |
342 | public final Screen getScreen() { | |
343 | return backend.getScreen(); | |
344 | } | |
345 | ||
4328bb42 | 346 | /** |
7b5261bc | 347 | * Actual mouse coordinate X. |
4328bb42 KL |
348 | */ |
349 | private int mouseX; | |
350 | ||
351 | /** | |
7b5261bc | 352 | * Actual mouse coordinate Y. |
4328bb42 KL |
353 | */ |
354 | private int mouseY; | |
355 | ||
bd8d51fa KL |
356 | /** |
357 | * Old version of mouse coordinate X. | |
358 | */ | |
359 | private int oldMouseX; | |
360 | ||
361 | /** | |
362 | * Old version mouse coordinate Y. | |
363 | */ | |
364 | private int oldMouseY; | |
365 | ||
4328bb42 | 366 | /** |
8e688b92 | 367 | * Event queue that is filled by run(). |
4328bb42 | 368 | */ |
8e688b92 KL |
369 | private List<TInputEvent> fillEventQueue; |
370 | ||
371 | /** | |
372 | * Event queue that will be drained by either primary or secondary | |
373 | * Thread. | |
374 | */ | |
375 | private List<TInputEvent> drainEventQueue; | |
4328bb42 | 376 | |
fca67db0 KL |
377 | /** |
378 | * Top-level menus in this application. | |
379 | */ | |
380 | private List<TMenu> menus; | |
381 | ||
382 | /** | |
383 | * Stack of activated sub-menus in this application. | |
384 | */ | |
385 | private List<TMenu> subMenus; | |
386 | ||
387 | /** | |
388 | * The currently acive menu. | |
389 | */ | |
390 | private TMenu activeMenu = null; | |
391 | ||
e826b451 KL |
392 | /** |
393 | * Active keyboard accelerators. | |
394 | */ | |
395 | private Map<TKeypress, TMenuItem> accelerators; | |
396 | ||
4328bb42 KL |
397 | /** |
398 | * Windows and widgets pull colors from this ColorTheme. | |
399 | */ | |
7b5261bc KL |
400 | private ColorTheme theme; |
401 | ||
402 | /** | |
403 | * Get the color theme. | |
404 | * | |
405 | * @return the theme | |
406 | */ | |
407 | public final ColorTheme getTheme() { | |
408 | return theme; | |
409 | } | |
4328bb42 | 410 | |
a06459bd KL |
411 | /** |
412 | * The top-level windows (but not menus). | |
413 | */ | |
fca67db0 | 414 | private List<TWindow> windows; |
a06459bd | 415 | |
d502a0e9 KL |
416 | /** |
417 | * Timers that are being ticked. | |
418 | */ | |
419 | private List<TTimer> timers; | |
420 | ||
4328bb42 KL |
421 | /** |
422 | * When true, exit the application. | |
423 | */ | |
92554d64 | 424 | private volatile boolean quit = false; |
4328bb42 KL |
425 | |
426 | /** | |
427 | * When true, repaint the entire screen. | |
428 | */ | |
92554d64 | 429 | private volatile boolean repaint = true; |
4328bb42 | 430 | |
4328bb42 | 431 | /** |
7b5261bc KL |
432 | * Y coordinate of the top edge of the desktop. For now this is a |
433 | * constant. Someday it would be nice to have a multi-line menu or | |
434 | * toolbars. | |
4328bb42 | 435 | */ |
48e27807 KL |
436 | private static final int desktopTop = 1; |
437 | ||
438 | /** | |
439 | * Get Y coordinate of the top edge of the desktop. | |
440 | * | |
441 | * @return Y coordinate of the top edge of the desktop | |
442 | */ | |
443 | public final int getDesktopTop() { | |
444 | return desktopTop; | |
445 | } | |
4328bb42 KL |
446 | |
447 | /** | |
448 | * Y coordinate of the bottom edge of the desktop. | |
449 | */ | |
48e27807 KL |
450 | private int desktopBottom; |
451 | ||
452 | /** | |
453 | * Get Y coordinate of the bottom edge of the desktop. | |
454 | * | |
455 | * @return Y coordinate of the bottom edge of the desktop | |
456 | */ | |
457 | public final int getDesktopBottom() { | |
458 | return desktopBottom; | |
459 | } | |
4328bb42 KL |
460 | |
461 | /** | |
462 | * Public constructor. | |
463 | * | |
464 | * @param input an InputStream connected to the remote user, or null for | |
465 | * System.in. If System.in is used, then on non-Windows systems it will | |
466 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
467 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
468 | * @param output an OutputStream connected to the remote user, or null | |
469 | * for System.out. output is always converted to a Writer with UTF-8 | |
470 | * encoding. | |
7b5261bc KL |
471 | * @throws UnsupportedEncodingException if an exception is thrown when |
472 | * creating the InputStreamReader | |
4328bb42 | 473 | */ |
7b5261bc KL |
474 | public TApplication(final InputStream input, |
475 | final OutputStream output) throws UnsupportedEncodingException { | |
4328bb42 | 476 | |
30bd4abd KL |
477 | // AWT is the default backend on Windows unless explicitly overridden |
478 | // by jexer.AWT. | |
479 | boolean useAWT = false; | |
480 | if (System.getProperty("os.name").startsWith("Windows")) { | |
481 | useAWT = true; | |
482 | } | |
483 | if (System.getProperty("jexer.AWT") != null) { | |
484 | if (System.getProperty("jexer.AWT", "false").equals("true")) { | |
485 | useAWT = true; | |
486 | } else { | |
487 | useAWT = false; | |
488 | } | |
489 | } | |
490 | ||
491 | ||
492 | if (useAWT) { | |
92554d64 | 493 | backend = new AWTBackend(this); |
1ac2ccb1 | 494 | } else { |
92554d64 | 495 | backend = new ECMA48Backend(this, input, output); |
1ac2ccb1 | 496 | } |
8e688b92 KL |
497 | theme = new ColorTheme(); |
498 | desktopBottom = getScreen().getHeight() - 1; | |
c6940ed9 KL |
499 | fillEventQueue = new ArrayList<TInputEvent>(); |
500 | drainEventQueue = new ArrayList<TInputEvent>(); | |
8e688b92 KL |
501 | windows = new LinkedList<TWindow>(); |
502 | menus = new LinkedList<TMenu>(); | |
503 | subMenus = new LinkedList<TMenu>(); | |
d502a0e9 | 504 | timers = new LinkedList<TTimer>(); |
e826b451 | 505 | accelerators = new HashMap<TKeypress, TMenuItem>(); |
c6940ed9 KL |
506 | |
507 | // Setup the main consumer thread | |
508 | primaryEventHandler = new WidgetEventHandler(this, true); | |
509 | (new Thread(primaryEventHandler)).start(); | |
4328bb42 KL |
510 | } |
511 | ||
512 | /** | |
bd8d51fa KL |
513 | * Invert the cell color at a position. This is used to track the mouse. |
514 | * | |
515 | * @param x column position | |
516 | * @param y row position | |
4328bb42 | 517 | */ |
bd8d51fa KL |
518 | private void invertCell(final int x, final int y) { |
519 | synchronized (getScreen()) { | |
520 | CellAttributes attr = getScreen().getAttrXY(x, y); | |
521 | attr.setForeColor(attr.getForeColor().invert()); | |
522 | attr.setBackColor(attr.getBackColor().invert()); | |
523 | getScreen().putAttrXY(x, y, attr, false); | |
7b5261bc | 524 | } |
4328bb42 KL |
525 | } |
526 | ||
527 | /** | |
528 | * Draw everything. | |
529 | */ | |
7b5261bc | 530 | public final void drawAll() { |
99144c71 KL |
531 | if (debugThreads) { |
532 | System.err.printf("drawAll() enter\n"); | |
533 | } | |
534 | ||
bd8d51fa KL |
535 | if (!repaint) { |
536 | synchronized (getScreen()) { | |
537 | if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) { | |
538 | // The only thing that has happened is the mouse moved. | |
539 | // Clear the old position and draw the new position. | |
540 | invertCell(oldMouseX, oldMouseY); | |
541 | invertCell(mouseX, mouseY); | |
542 | oldMouseX = mouseX; | |
543 | oldMouseY = mouseY; | |
544 | } | |
545 | } | |
546 | if (getScreen().isDirty()) { | |
547 | backend.flushScreen(); | |
548 | } | |
7b5261bc KL |
549 | return; |
550 | } | |
551 | ||
99144c71 KL |
552 | if (debugThreads) { |
553 | System.err.printf("drawAll() REDRAW\n"); | |
554 | } | |
555 | ||
7b5261bc KL |
556 | // If true, the cursor is not visible |
557 | boolean cursor = false; | |
558 | ||
559 | // Start with a clean screen | |
a06459bd | 560 | getScreen().clear(); |
7b5261bc KL |
561 | |
562 | // Draw the background | |
563 | CellAttributes background = theme.getColor("tapplication.background"); | |
a06459bd | 564 | getScreen().putAll(GraphicsChars.HATCH, background); |
7b5261bc | 565 | |
7b5261bc | 566 | // Draw each window in reverse Z order |
a06459bd KL |
567 | List<TWindow> sorted = new LinkedList<TWindow>(windows); |
568 | Collections.sort(sorted); | |
569 | Collections.reverse(sorted); | |
570 | for (TWindow window: sorted) { | |
571 | window.drawChildren(); | |
7b5261bc KL |
572 | } |
573 | ||
574 | // Draw the blank menubar line - reset the screen clipping first so | |
575 | // it won't trim it out. | |
a06459bd KL |
576 | getScreen().resetClipping(); |
577 | getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ', | |
7b5261bc KL |
578 | theme.getColor("tmenu")); |
579 | // Now draw the menus. | |
580 | int x = 1; | |
fca67db0 | 581 | for (TMenu menu: menus) { |
7b5261bc KL |
582 | CellAttributes menuColor; |
583 | CellAttributes menuMnemonicColor; | |
fca67db0 | 584 | if (menu.getActive()) { |
7b5261bc KL |
585 | menuColor = theme.getColor("tmenu.highlighted"); |
586 | menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted"); | |
587 | } else { | |
588 | menuColor = theme.getColor("tmenu"); | |
589 | menuMnemonicColor = theme.getColor("tmenu.mnemonic"); | |
590 | } | |
591 | // Draw the menu title | |
fca67db0 | 592 | getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ', |
7b5261bc | 593 | menuColor); |
fca67db0 | 594 | getScreen().putStrXY(x + 1, 0, menu.getTitle(), menuColor); |
7b5261bc | 595 | // Draw the highlight character |
fca67db0 KL |
596 | getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(), |
597 | 0, menu.getMnemonic().getShortcut(), menuMnemonicColor); | |
7b5261bc | 598 | |
fca67db0 | 599 | if (menu.getActive()) { |
a06459bd | 600 | menu.drawChildren(); |
7b5261bc | 601 | // Reset the screen clipping so we can draw the next title. |
a06459bd | 602 | getScreen().resetClipping(); |
7b5261bc | 603 | } |
fca67db0 | 604 | x += menu.getTitle().length() + 2; |
7b5261bc KL |
605 | } |
606 | ||
a06459bd | 607 | for (TMenu menu: subMenus) { |
7b5261bc | 608 | // Reset the screen clipping so we can draw the next sub-menu. |
a06459bd KL |
609 | getScreen().resetClipping(); |
610 | menu.drawChildren(); | |
7b5261bc | 611 | } |
7b5261bc KL |
612 | |
613 | // Draw the mouse pointer | |
bd8d51fa | 614 | invertCell(mouseX, mouseY); |
7b5261bc | 615 | |
7b5261bc KL |
616 | // Place the cursor if it is visible |
617 | TWidget activeWidget = null; | |
a06459bd KL |
618 | if (sorted.size() > 0) { |
619 | activeWidget = sorted.get(sorted.size() - 1).getActiveChild(); | |
620 | if (activeWidget.visibleCursor()) { | |
621 | getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(), | |
7b5261bc KL |
622 | activeWidget.getCursorAbsoluteY()); |
623 | cursor = true; | |
624 | } | |
625 | } | |
626 | ||
627 | // Kill the cursor | |
fca67db0 | 628 | if (!cursor) { |
a06459bd | 629 | getScreen().hideCursor(); |
7b5261bc | 630 | } |
7b5261bc KL |
631 | |
632 | // Flush the screen contents | |
633 | backend.flushScreen(); | |
634 | ||
635 | repaint = false; | |
4328bb42 KL |
636 | } |
637 | ||
638 | /** | |
7b5261bc | 639 | * Run this application until it exits. |
4328bb42 KL |
640 | */ |
641 | public final void run() { | |
7b5261bc KL |
642 | while (!quit) { |
643 | // Timeout is in milliseconds, so default timeout after 1 second | |
644 | // of inactivity. | |
92554d64 KL |
645 | long timeout = 0; |
646 | ||
647 | // If I've got no updates to render, wait for something from the | |
648 | // backend or a timer. | |
bd8d51fa KL |
649 | if (!repaint |
650 | && ((mouseX == oldMouseX) && (mouseY == oldMouseY)) | |
651 | ) { | |
92554d64 KL |
652 | // Never sleep longer than 100 millis, to get windows with |
653 | // background tasks an opportunity to update the display. | |
654 | timeout = getSleepTime(100); | |
655 | ||
656 | // See if there are any definitely events waiting to be | |
657 | // processed. If so, do not wait -- either there is I/O | |
658 | // coming in or the primary/secondary threads are still | |
659 | // working. | |
660 | synchronized (drainEventQueue) { | |
661 | if (drainEventQueue.size() > 0) { | |
662 | timeout = 0; | |
663 | } | |
664 | } | |
665 | synchronized (fillEventQueue) { | |
666 | if (fillEventQueue.size() > 0) { | |
667 | timeout = 0; | |
668 | } | |
8e688b92 KL |
669 | } |
670 | } | |
92554d64 KL |
671 | |
672 | if (timeout > 0) { | |
673 | // As of now, I've got nothing to do: no I/O, nothing from | |
674 | // the consumer threads, no timers that need to run ASAP. So | |
675 | // wait until either the backend or the consumer threads have | |
676 | // something to do. | |
677 | try { | |
678 | synchronized (this) { | |
679 | this.wait(timeout); | |
680 | } | |
681 | } catch (InterruptedException e) { | |
682 | // I'm awake and don't care why, let's see what's going | |
683 | // on out there. | |
8e688b92 | 684 | } |
bd8d51fa | 685 | repaint = true; |
7b5261bc KL |
686 | } |
687 | ||
8e688b92 | 688 | // Pull any pending I/O events |
92554d64 | 689 | backend.getEvents(fillEventQueue); |
8e688b92 KL |
690 | |
691 | // Dispatch each event to the appropriate handler, one at a time. | |
692 | for (;;) { | |
693 | TInputEvent event = null; | |
694 | synchronized (fillEventQueue) { | |
695 | if (fillEventQueue.size() == 0) { | |
696 | break; | |
697 | } | |
698 | event = fillEventQueue.remove(0); | |
699 | } | |
700 | metaHandleEvent(event); | |
701 | } | |
7b5261bc | 702 | |
92554d64 KL |
703 | // Wake a consumer thread if we have any pending events. |
704 | synchronized (drainEventQueue) { | |
705 | if (drainEventQueue.size() > 0) { | |
706 | wakeEventHandler(); | |
707 | } | |
708 | } | |
709 | ||
99144c71 KL |
710 | // Prevent stepping on the primary or secondary event handler. |
711 | stopEventHandlers(); | |
712 | ||
7b5261bc KL |
713 | // Process timers and call doIdle()'s |
714 | doIdle(); | |
715 | ||
716 | // Update the screen | |
87a17f3c KL |
717 | synchronized (getScreen()) { |
718 | drawAll(); | |
719 | } | |
99144c71 KL |
720 | |
721 | // Let the event handlers run again. | |
722 | startEventHandlers(); | |
7b5261bc | 723 | |
92554d64 KL |
724 | } // while (!quit) |
725 | ||
726 | // Shutdown the event consumer threads | |
727 | if (secondaryEventHandler != null) { | |
728 | synchronized (secondaryEventHandler) { | |
729 | secondaryEventHandler.notify(); | |
730 | } | |
731 | } | |
732 | if (primaryEventHandler != null) { | |
733 | synchronized (primaryEventHandler) { | |
734 | primaryEventHandler.notify(); | |
735 | } | |
7b5261bc KL |
736 | } |
737 | ||
92554d64 | 738 | // Shutdown the user I/O thread(s) |
7b5261bc | 739 | backend.shutdown(); |
92554d64 KL |
740 | |
741 | // Close all the windows. This gives them an opportunity to release | |
742 | // resources. | |
743 | closeAllWindows(); | |
744 | ||
4328bb42 KL |
745 | } |
746 | ||
747 | /** | |
748 | * Peek at certain application-level events, add to eventQueue, and wake | |
8e688b92 | 749 | * up the consuming Thread. |
4328bb42 | 750 | * |
8e688b92 | 751 | * @param event the input event to consume |
4328bb42 | 752 | */ |
8e688b92 | 753 | private void metaHandleEvent(final TInputEvent event) { |
7b5261bc | 754 | |
a83fea2b KL |
755 | if (debugEvents) { |
756 | System.err.printf(String.format("metaHandleEvents event: %s\n", | |
757 | event)); System.err.flush(); | |
758 | } | |
7b5261bc | 759 | |
8e688b92 KL |
760 | if (quit) { |
761 | // Do no more processing if the application is already trying | |
762 | // to exit. | |
763 | return; | |
764 | } | |
7b5261bc | 765 | |
8e688b92 | 766 | // Special application-wide events ------------------------------- |
7b5261bc | 767 | |
8e688b92 KL |
768 | // Abort everything |
769 | if (event instanceof TCommandEvent) { | |
770 | TCommandEvent command = (TCommandEvent) event; | |
771 | if (command.getCmd().equals(cmAbort)) { | |
772 | quit = true; | |
773 | return; | |
7b5261bc | 774 | } |
8e688b92 | 775 | } |
7b5261bc | 776 | |
8e688b92 KL |
777 | // Screen resize |
778 | if (event instanceof TResizeEvent) { | |
779 | TResizeEvent resize = (TResizeEvent) event; | |
bd8d51fa KL |
780 | synchronized (getScreen()) { |
781 | getScreen().setDimensions(resize.getWidth(), | |
782 | resize.getHeight()); | |
783 | desktopBottom = getScreen().getHeight() - 1; | |
784 | mouseX = 0; | |
785 | mouseY = 0; | |
786 | oldMouseX = 0; | |
787 | oldMouseY = 0; | |
788 | } | |
8e688b92 KL |
789 | return; |
790 | } | |
7b5261bc | 791 | |
8e688b92 KL |
792 | // Peek at the mouse position |
793 | if (event instanceof TMouseEvent) { | |
794 | TMouseEvent mouse = (TMouseEvent) event; | |
bd8d51fa KL |
795 | synchronized (getScreen()) { |
796 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
797 | oldMouseX = mouseX; | |
798 | oldMouseY = mouseY; | |
799 | mouseX = mouse.getX(); | |
800 | mouseY = mouse.getY(); | |
801 | } | |
7b5261bc | 802 | } |
8e688b92 | 803 | } |
7b5261bc | 804 | |
bd8d51fa | 805 | // Put into the main queue |
c6940ed9 KL |
806 | synchronized (drainEventQueue) { |
807 | drainEventQueue.add(event); | |
808 | } | |
4328bb42 KL |
809 | } |
810 | ||
a06459bd KL |
811 | /** |
812 | * Dispatch one event to the appropriate widget or application-level | |
fca67db0 KL |
813 | * event handler. This is the primary event handler, it has the normal |
814 | * application-wide event handling. | |
a06459bd KL |
815 | * |
816 | * @param event the input event to consume | |
fca67db0 | 817 | * @see #secondaryHandleEvent(TInputEvent event) |
a06459bd | 818 | */ |
fca67db0 KL |
819 | private void primaryHandleEvent(final TInputEvent event) { |
820 | ||
a83fea2b KL |
821 | if (debugEvents) { |
822 | System.err.printf("Handle event: %s\n", event); | |
823 | } | |
fca67db0 KL |
824 | |
825 | // Special application-wide events ----------------------------------- | |
826 | ||
827 | // Peek at the mouse position | |
828 | if (event instanceof TMouseEvent) { | |
829 | // See if we need to switch focus to another window or the menu | |
830 | checkSwitchFocus((TMouseEvent) event); | |
831 | } | |
832 | ||
833 | // Handle menu events | |
834 | if ((activeMenu != null) && !(event instanceof TCommandEvent)) { | |
835 | TMenu menu = activeMenu; | |
836 | ||
837 | if (event instanceof TMouseEvent) { | |
838 | TMouseEvent mouse = (TMouseEvent) event; | |
839 | ||
840 | while (subMenus.size() > 0) { | |
841 | TMenu subMenu = subMenus.get(subMenus.size() - 1); | |
842 | if (subMenu.mouseWouldHit(mouse)) { | |
843 | break; | |
844 | } | |
845 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
846 | && (!mouse.getMouse1()) | |
847 | && (!mouse.getMouse2()) | |
848 | && (!mouse.getMouse3()) | |
849 | && (!mouse.getMouseWheelUp()) | |
850 | && (!mouse.getMouseWheelDown()) | |
851 | ) { | |
852 | break; | |
853 | } | |
854 | // We navigated away from a sub-menu, so close it | |
855 | closeSubMenu(); | |
856 | } | |
857 | ||
858 | // Convert the mouse relative x/y to menu coordinates | |
859 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
860 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
861 | if (subMenus.size() > 0) { | |
862 | menu = subMenus.get(subMenus.size() - 1); | |
863 | } | |
864 | mouse.setX(mouse.getX() - menu.getX()); | |
865 | mouse.setY(mouse.getY() - menu.getY()); | |
866 | } | |
867 | menu.handleEvent(event); | |
868 | return; | |
869 | } | |
a06459bd | 870 | |
fca67db0 KL |
871 | if (event instanceof TKeypressEvent) { |
872 | TKeypressEvent keypress = (TKeypressEvent) event; | |
e826b451 | 873 | |
fca67db0 KL |
874 | // See if this key matches an accelerator, and if so dispatch the |
875 | // menu event. | |
876 | TKeypress keypressLowercase = keypress.getKey().toLowerCase(); | |
e826b451 KL |
877 | TMenuItem item = null; |
878 | synchronized (accelerators) { | |
879 | item = accelerators.get(keypressLowercase); | |
880 | } | |
fca67db0 | 881 | if (item != null) { |
bd8d51fa KL |
882 | if (item.getEnabled()) { |
883 | // Let the menu item dispatch | |
884 | item.dispatch(); | |
fca67db0 KL |
885 | return; |
886 | } | |
887 | } | |
bd8d51fa KL |
888 | // Handle the keypress |
889 | if (onKeypress(keypress)) { | |
890 | return; | |
891 | } | |
fca67db0 | 892 | } |
a06459bd | 893 | |
fca67db0 KL |
894 | if (event instanceof TCommandEvent) { |
895 | if (onCommand((TCommandEvent) event)) { | |
896 | return; | |
897 | } | |
898 | } | |
899 | ||
900 | if (event instanceof TMenuEvent) { | |
901 | if (onMenu((TMenuEvent) event)) { | |
902 | return; | |
903 | } | |
904 | } | |
905 | ||
906 | // Dispatch events to the active window ------------------------------- | |
907 | for (TWindow window: windows) { | |
908 | if (window.getActive()) { | |
a06459bd KL |
909 | if (event instanceof TMouseEvent) { |
910 | TMouseEvent mouse = (TMouseEvent) event; | |
fca67db0 KL |
911 | // Convert the mouse relative x/y to window coordinates |
912 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
913 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
914 | mouse.setX(mouse.getX() - window.getX()); | |
915 | mouse.setY(mouse.getY() - window.getY()); | |
916 | } | |
a83fea2b KL |
917 | if (debugEvents) { |
918 | System.err.printf("TApplication dispatch event: %s\n", | |
919 | event); | |
920 | } | |
fca67db0 KL |
921 | window.handleEvent(event); |
922 | break; | |
923 | } | |
924 | } | |
925 | } | |
926 | /** | |
927 | * Dispatch one event to the appropriate widget or application-level | |
928 | * event handler. This is the secondary event handler used by certain | |
929 | * special dialogs (currently TMessageBox and TFileOpenBox). | |
930 | * | |
931 | * @param event the input event to consume | |
932 | * @see #primaryHandleEvent(TInputEvent event) | |
933 | */ | |
934 | private void secondaryHandleEvent(final TInputEvent event) { | |
c6940ed9 KL |
935 | secondaryEventReceiver.handleEvent(event); |
936 | } | |
937 | ||
938 | /** | |
939 | * Enable a widget to override the primary event thread. | |
940 | * | |
941 | * @param widget widget that will receive events | |
942 | */ | |
943 | public final void enableSecondaryEventReceiver(final TWidget widget) { | |
944 | assert (secondaryEventReceiver == null); | |
945 | assert (secondaryEventHandler == null); | |
946 | assert (widget instanceof TMessageBox); | |
947 | secondaryEventReceiver = widget; | |
948 | secondaryEventHandler = new WidgetEventHandler(this, false); | |
949 | (new Thread(secondaryEventHandler)).start(); | |
c6940ed9 KL |
950 | } |
951 | ||
952 | /** | |
953 | * Yield to the secondary thread. | |
954 | */ | |
955 | public final void yield() { | |
956 | assert (secondaryEventReceiver != null); | |
99144c71 KL |
957 | // This is where we handoff the event handler lock from the primary |
958 | // to secondary thread. We unlock here, and in a future loop the | |
959 | // secondary thread locks again. When it gives up, we have the | |
960 | // single lock back. | |
961 | boolean oldLock = unlockHandleEvent(); | |
962 | assert (oldLock == true); | |
963 | ||
c6940ed9 | 964 | while (secondaryEventReceiver != null) { |
92554d64 | 965 | synchronized (primaryEventHandler) { |
c6940ed9 | 966 | try { |
92554d64 | 967 | primaryEventHandler.wait(); |
c6940ed9 KL |
968 | } catch (InterruptedException e) { |
969 | // SQUASH | |
970 | } | |
971 | } | |
972 | } | |
a06459bd KL |
973 | } |
974 | ||
4328bb42 KL |
975 | /** |
976 | * Do stuff when there is no user input. | |
977 | */ | |
978 | private void doIdle() { | |
99144c71 KL |
979 | if (debugThreads) { |
980 | System.err.printf("doIdle()\n"); | |
981 | } | |
982 | ||
7b5261bc | 983 | // Now run any timers that have timed out |
d502a0e9 KL |
984 | Date now = new Date(); |
985 | List<TTimer> keepTimers = new LinkedList<TTimer>(); | |
986 | for (TTimer timer: timers) { | |
92554d64 | 987 | if (timer.getNextTick().getTime() <= now.getTime()) { |
d502a0e9 | 988 | timer.tick(); |
c6940ed9 | 989 | if (timer.recurring) { |
d502a0e9 | 990 | keepTimers.add(timer); |
7b5261bc KL |
991 | } |
992 | } else { | |
d502a0e9 | 993 | keepTimers.add(timer); |
7b5261bc KL |
994 | } |
995 | } | |
996 | timers = keepTimers; | |
997 | ||
998 | // Call onIdle's | |
d502a0e9 KL |
999 | for (TWindow window: windows) { |
1000 | window.onIdle(); | |
7b5261bc | 1001 | } |
4328bb42 | 1002 | } |
7d4115a5 | 1003 | |
4328bb42 KL |
1004 | /** |
1005 | * Get the amount of time I can sleep before missing a Timer tick. | |
1006 | * | |
92554d64 | 1007 | * @param timeout = initial (maximum) timeout in millis |
4328bb42 KL |
1008 | * @return number of milliseconds between now and the next timer event |
1009 | */ | |
bd8d51fa | 1010 | private long getSleepTime(final long timeout) { |
d502a0e9 | 1011 | Date now = new Date(); |
92554d64 | 1012 | long nowTime = now.getTime(); |
d502a0e9 KL |
1013 | long sleepTime = timeout; |
1014 | for (TTimer timer: timers) { | |
92554d64 KL |
1015 | long nextTickTime = timer.getNextTick().getTime(); |
1016 | if (nextTickTime < nowTime) { | |
7b5261bc KL |
1017 | return 0; |
1018 | } | |
92554d64 KL |
1019 | |
1020 | long timeDifference = nextTickTime - nowTime; | |
1021 | if (timeDifference < sleepTime) { | |
1022 | sleepTime = timeDifference; | |
7b5261bc KL |
1023 | } |
1024 | } | |
d502a0e9 | 1025 | assert (sleepTime >= 0); |
92554d64 KL |
1026 | assert (sleepTime <= timeout); |
1027 | return sleepTime; | |
7d4115a5 | 1028 | } |
4328bb42 | 1029 | |
48e27807 KL |
1030 | /** |
1031 | * Close window. Note that the window's destructor is NOT called by this | |
1032 | * method, instead the GC is assumed to do the cleanup. | |
1033 | * | |
1034 | * @param window the window to remove | |
1035 | */ | |
1036 | public final void closeWindow(final TWindow window) { | |
bb35d919 KL |
1037 | synchronized (windows) { |
1038 | int z = window.getZ(); | |
1039 | window.setZ(-1); | |
1040 | Collections.sort(windows); | |
1041 | windows.remove(0); | |
1042 | TWindow activeWindow = null; | |
1043 | for (TWindow w: windows) { | |
1044 | if (w.getZ() > z) { | |
1045 | w.setZ(w.getZ() - 1); | |
1046 | if (w.getZ() == 0) { | |
1047 | w.setActive(true); | |
1048 | assert (activeWindow == null); | |
1049 | activeWindow = w; | |
1050 | } else { | |
1051 | w.setActive(false); | |
1052 | } | |
48e27807 KL |
1053 | } |
1054 | } | |
1055 | } | |
1056 | ||
1057 | // Perform window cleanup | |
1058 | window.onClose(); | |
1059 | ||
48e27807 | 1060 | // Check if we are closing a TMessageBox or similar |
c6940ed9 KL |
1061 | if (secondaryEventReceiver != null) { |
1062 | assert (secondaryEventHandler != null); | |
48e27807 KL |
1063 | |
1064 | // Do not send events to the secondaryEventReceiver anymore, the | |
1065 | // window is closed. | |
1066 | secondaryEventReceiver = null; | |
1067 | ||
92554d64 KL |
1068 | // Wake the secondary thread, it will wake the primary as it |
1069 | // exits. | |
1070 | synchronized (secondaryEventHandler) { | |
1071 | secondaryEventHandler.notify(); | |
48e27807 KL |
1072 | } |
1073 | } | |
48e27807 KL |
1074 | } |
1075 | ||
1076 | /** | |
1077 | * Switch to the next window. | |
1078 | * | |
1079 | * @param forward if true, then switch to the next window in the list, | |
1080 | * otherwise switch to the previous window in the list | |
1081 | */ | |
1082 | public final void switchWindow(final boolean forward) { | |
48e27807 | 1083 | // Only switch if there are multiple windows |
fca67db0 | 1084 | if (windows.size() < 2) { |
48e27807 KL |
1085 | return; |
1086 | } | |
1087 | ||
bb35d919 KL |
1088 | synchronized (windows) { |
1089 | ||
1090 | // Swap z/active between active window and the next in the list | |
1091 | int activeWindowI = -1; | |
1092 | for (int i = 0; i < windows.size(); i++) { | |
1093 | if (windows.get(i).getActive()) { | |
1094 | activeWindowI = i; | |
1095 | break; | |
1096 | } | |
48e27807 | 1097 | } |
bb35d919 | 1098 | assert (activeWindowI >= 0); |
48e27807 | 1099 | |
bb35d919 KL |
1100 | // Do not switch if a window is modal |
1101 | if (windows.get(activeWindowI).isModal()) { | |
1102 | return; | |
1103 | } | |
48e27807 | 1104 | |
bb35d919 KL |
1105 | int nextWindowI; |
1106 | if (forward) { | |
1107 | nextWindowI = (activeWindowI + 1) % windows.size(); | |
48e27807 | 1108 | } else { |
bb35d919 KL |
1109 | if (activeWindowI == 0) { |
1110 | nextWindowI = windows.size() - 1; | |
1111 | } else { | |
1112 | nextWindowI = activeWindowI - 1; | |
1113 | } | |
48e27807 | 1114 | } |
bb35d919 KL |
1115 | windows.get(activeWindowI).setActive(false); |
1116 | windows.get(activeWindowI).setZ(windows.get(nextWindowI).getZ()); | |
1117 | windows.get(nextWindowI).setZ(0); | |
1118 | windows.get(nextWindowI).setActive(true); | |
1119 | ||
1120 | } // synchronized (windows) | |
48e27807 | 1121 | |
48e27807 KL |
1122 | } |
1123 | ||
1124 | /** | |
1125 | * Add a window to my window list and make it active. | |
1126 | * | |
1127 | * @param window new window to add | |
1128 | */ | |
1129 | public final void addWindow(final TWindow window) { | |
bb35d919 KL |
1130 | synchronized (windows) { |
1131 | // Do not allow a modal window to spawn a non-modal window | |
1132 | if ((windows.size() > 0) && (windows.get(0).isModal())) { | |
1133 | assert (window.isModal()); | |
1134 | } | |
1135 | for (TWindow w: windows) { | |
1136 | w.setActive(false); | |
1137 | w.setZ(w.getZ() + 1); | |
1138 | } | |
1139 | windows.add(window); | |
1140 | window.setActive(true); | |
1141 | window.setZ(0); | |
48e27807 | 1142 | } |
48e27807 KL |
1143 | } |
1144 | ||
fca67db0 KL |
1145 | /** |
1146 | * Check if there is a system-modal window on top. | |
1147 | * | |
1148 | * @return true if the active window is modal | |
1149 | */ | |
1150 | private boolean modalWindowActive() { | |
1151 | if (windows.size() == 0) { | |
1152 | return false; | |
1153 | } | |
1154 | return windows.get(windows.size() - 1).isModal(); | |
1155 | } | |
1156 | ||
1157 | /** | |
1158 | * Check if a mouse event would hit either the active menu or any open | |
1159 | * sub-menus. | |
1160 | * | |
1161 | * @param mouse mouse event | |
1162 | * @return true if the mouse would hit the active menu or an open | |
1163 | * sub-menu | |
1164 | */ | |
1165 | private boolean mouseOnMenu(final TMouseEvent mouse) { | |
1166 | assert (activeMenu != null); | |
1167 | List<TMenu> menus = new LinkedList<TMenu>(subMenus); | |
1168 | Collections.reverse(menus); | |
1169 | for (TMenu menu: menus) { | |
1170 | if (menu.mouseWouldHit(mouse)) { | |
1171 | return true; | |
1172 | } | |
1173 | } | |
1174 | return activeMenu.mouseWouldHit(mouse); | |
1175 | } | |
1176 | ||
1177 | /** | |
1178 | * See if we need to switch window or activate the menu based on | |
1179 | * a mouse click. | |
1180 | * | |
1181 | * @param mouse mouse event | |
1182 | */ | |
1183 | private void checkSwitchFocus(final TMouseEvent mouse) { | |
1184 | ||
1185 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
1186 | && (activeMenu != null) | |
1187 | && (mouse.getAbsoluteY() != 0) | |
1188 | && (!mouseOnMenu(mouse)) | |
1189 | ) { | |
1190 | // They clicked outside the active menu, turn it off | |
1191 | activeMenu.setActive(false); | |
1192 | activeMenu = null; | |
1193 | for (TMenu menu: subMenus) { | |
1194 | menu.setActive(false); | |
1195 | } | |
1196 | subMenus.clear(); | |
1197 | // Continue checks | |
1198 | } | |
1199 | ||
1200 | // See if they hit the menu bar | |
1201 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
1202 | && (mouse.getMouse1()) | |
1203 | && (!modalWindowActive()) | |
1204 | && (mouse.getAbsoluteY() == 0) | |
1205 | ) { | |
1206 | ||
1207 | for (TMenu menu: subMenus) { | |
1208 | menu.setActive(false); | |
1209 | } | |
1210 | subMenus.clear(); | |
1211 | ||
1212 | // They selected the menu, go activate it | |
1213 | for (TMenu menu: menus) { | |
1214 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
1215 | && (mouse.getAbsoluteX() < menu.getX() | |
1216 | + menu.getTitle().length() + 2) | |
1217 | ) { | |
1218 | menu.setActive(true); | |
1219 | activeMenu = menu; | |
1220 | } else { | |
1221 | menu.setActive(false); | |
1222 | } | |
1223 | } | |
fca67db0 KL |
1224 | return; |
1225 | } | |
1226 | ||
1227 | // See if they hit the menu bar | |
1228 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
1229 | && (mouse.getMouse1()) | |
1230 | && (activeMenu != null) | |
1231 | && (mouse.getAbsoluteY() == 0) | |
1232 | ) { | |
1233 | ||
1234 | TMenu oldMenu = activeMenu; | |
1235 | for (TMenu menu: subMenus) { | |
1236 | menu.setActive(false); | |
1237 | } | |
1238 | subMenus.clear(); | |
1239 | ||
1240 | // See if we should switch menus | |
1241 | for (TMenu menu: menus) { | |
1242 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
1243 | && (mouse.getAbsoluteX() < menu.getX() | |
1244 | + menu.getTitle().length() + 2) | |
1245 | ) { | |
1246 | menu.setActive(true); | |
1247 | activeMenu = menu; | |
1248 | } | |
1249 | } | |
1250 | if (oldMenu != activeMenu) { | |
1251 | // They switched menus | |
1252 | oldMenu.setActive(false); | |
1253 | } | |
fca67db0 KL |
1254 | return; |
1255 | } | |
1256 | ||
1257 | // Only switch if there are multiple windows | |
1258 | if (windows.size() < 2) { | |
1259 | return; | |
1260 | } | |
1261 | ||
1262 | // Switch on the upclick | |
1263 | if (mouse.getType() != TMouseEvent.Type.MOUSE_UP) { | |
1264 | return; | |
1265 | } | |
1266 | ||
bb35d919 KL |
1267 | synchronized (windows) { |
1268 | Collections.sort(windows); | |
1269 | if (windows.get(0).isModal()) { | |
1270 | // Modal windows don't switch | |
1271 | return; | |
1272 | } | |
fca67db0 | 1273 | |
bb35d919 KL |
1274 | for (TWindow window: windows) { |
1275 | assert (!window.isModal()); | |
1276 | if (window.mouseWouldHit(mouse)) { | |
1277 | if (window == windows.get(0)) { | |
1278 | // Clicked on the same window, nothing to do | |
1279 | return; | |
1280 | } | |
1281 | ||
1282 | // We will be switching to another window | |
1283 | assert (windows.get(0).getActive()); | |
1284 | assert (!window.getActive()); | |
1285 | windows.get(0).setActive(false); | |
1286 | windows.get(0).setZ(window.getZ()); | |
1287 | window.setZ(0); | |
1288 | window.setActive(true); | |
fca67db0 KL |
1289 | return; |
1290 | } | |
fca67db0 KL |
1291 | } |
1292 | } | |
1293 | ||
1294 | // Clicked on the background, nothing to do | |
1295 | return; | |
1296 | } | |
1297 | ||
1298 | /** | |
1299 | * Turn off the menu. | |
1300 | */ | |
928811d8 | 1301 | public final void closeMenu() { |
fca67db0 KL |
1302 | if (activeMenu != null) { |
1303 | activeMenu.setActive(false); | |
1304 | activeMenu = null; | |
1305 | for (TMenu menu: subMenus) { | |
1306 | menu.setActive(false); | |
1307 | } | |
1308 | subMenus.clear(); | |
1309 | } | |
fca67db0 KL |
1310 | } |
1311 | ||
1312 | /** | |
1313 | * Turn off a sub-menu. | |
1314 | */ | |
928811d8 | 1315 | public final void closeSubMenu() { |
fca67db0 KL |
1316 | assert (activeMenu != null); |
1317 | TMenu item = subMenus.get(subMenus.size() - 1); | |
1318 | assert (item != null); | |
1319 | item.setActive(false); | |
1320 | subMenus.remove(subMenus.size() - 1); | |
fca67db0 KL |
1321 | } |
1322 | ||
1323 | /** | |
1324 | * Switch to the next menu. | |
1325 | * | |
1326 | * @param forward if true, then switch to the next menu in the list, | |
1327 | * otherwise switch to the previous menu in the list | |
1328 | */ | |
928811d8 | 1329 | public final void switchMenu(final boolean forward) { |
fca67db0 KL |
1330 | assert (activeMenu != null); |
1331 | ||
1332 | for (TMenu menu: subMenus) { | |
1333 | menu.setActive(false); | |
1334 | } | |
1335 | subMenus.clear(); | |
1336 | ||
1337 | for (int i = 0; i < menus.size(); i++) { | |
1338 | if (activeMenu == menus.get(i)) { | |
1339 | if (forward) { | |
1340 | if (i < menus.size() - 1) { | |
1341 | i++; | |
1342 | } | |
1343 | } else { | |
1344 | if (i > 0) { | |
1345 | i--; | |
1346 | } | |
1347 | } | |
1348 | activeMenu.setActive(false); | |
1349 | activeMenu = menus.get(i); | |
1350 | activeMenu.setActive(true); | |
fca67db0 KL |
1351 | return; |
1352 | } | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | /** | |
1357 | * Method that TApplication subclasses can override to handle menu or | |
1358 | * posted command events. | |
1359 | * | |
1360 | * @param command command event | |
1361 | * @return if true, this event was consumed | |
1362 | */ | |
1363 | protected boolean onCommand(final TCommandEvent command) { | |
fca67db0 KL |
1364 | // Default: handle cmExit |
1365 | if (command.equals(cmExit)) { | |
1366 | if (messageBox("Confirmation", "Exit application?", | |
c6940ed9 | 1367 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
fca67db0 KL |
1368 | quit = true; |
1369 | } | |
fca67db0 KL |
1370 | return true; |
1371 | } | |
1372 | ||
1373 | if (command.equals(cmShell)) { | |
34a42e78 | 1374 | openTerminal(0, 0, TWindow.RESIZABLE); |
fca67db0 KL |
1375 | return true; |
1376 | } | |
1377 | ||
1378 | if (command.equals(cmTile)) { | |
1379 | tileWindows(); | |
fca67db0 KL |
1380 | return true; |
1381 | } | |
1382 | if (command.equals(cmCascade)) { | |
1383 | cascadeWindows(); | |
fca67db0 KL |
1384 | return true; |
1385 | } | |
1386 | if (command.equals(cmCloseAll)) { | |
1387 | closeAllWindows(); | |
fca67db0 KL |
1388 | return true; |
1389 | } | |
c6940ed9 | 1390 | |
fca67db0 KL |
1391 | return false; |
1392 | } | |
1393 | ||
1394 | /** | |
1395 | * Method that TApplication subclasses can override to handle menu | |
1396 | * events. | |
1397 | * | |
1398 | * @param menu menu event | |
1399 | * @return if true, this event was consumed | |
1400 | */ | |
1401 | protected boolean onMenu(final TMenuEvent menu) { | |
1402 | ||
fca67db0 | 1403 | // Default: handle MID_EXIT |
8e688b92 | 1404 | if (menu.getId() == TMenu.MID_EXIT) { |
fca67db0 | 1405 | if (messageBox("Confirmation", "Exit application?", |
c6940ed9 | 1406 | TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) { |
fca67db0 KL |
1407 | quit = true; |
1408 | } | |
fca67db0 KL |
1409 | return true; |
1410 | } | |
1411 | ||
34a42e78 KL |
1412 | if (menu.getId() == TMenu.MID_SHELL) { |
1413 | openTerminal(0, 0, TWindow.RESIZABLE); | |
fca67db0 KL |
1414 | return true; |
1415 | } | |
1416 | ||
8e688b92 | 1417 | if (menu.getId() == TMenu.MID_TILE) { |
fca67db0 | 1418 | tileWindows(); |
fca67db0 KL |
1419 | return true; |
1420 | } | |
8e688b92 | 1421 | if (menu.getId() == TMenu.MID_CASCADE) { |
fca67db0 | 1422 | cascadeWindows(); |
fca67db0 KL |
1423 | return true; |
1424 | } | |
8e688b92 | 1425 | if (menu.getId() == TMenu.MID_CLOSE_ALL) { |
fca67db0 | 1426 | closeAllWindows(); |
fca67db0 KL |
1427 | return true; |
1428 | } | |
fca67db0 KL |
1429 | return false; |
1430 | } | |
1431 | ||
1432 | /** | |
1433 | * Method that TApplication subclasses can override to handle keystrokes. | |
1434 | * | |
1435 | * @param keypress keystroke event | |
1436 | * @return if true, this event was consumed | |
1437 | */ | |
1438 | protected boolean onKeypress(final TKeypressEvent keypress) { | |
1439 | // Default: only menu shortcuts | |
1440 | ||
1441 | // Process Alt-F, Alt-E, etc. menu shortcut keys | |
1442 | if (!keypress.getKey().getIsKey() | |
1443 | && keypress.getKey().getAlt() | |
1444 | && !keypress.getKey().getCtrl() | |
1445 | && (activeMenu == null) | |
1446 | ) { | |
1447 | ||
1448 | assert (subMenus.size() == 0); | |
1449 | ||
1450 | for (TMenu menu: menus) { | |
1451 | if (Character.toLowerCase(menu.getMnemonic().getShortcut()) | |
1452 | == Character.toLowerCase(keypress.getKey().getCh()) | |
1453 | ) { | |
1454 | activeMenu = menu; | |
1455 | menu.setActive(true); | |
fca67db0 KL |
1456 | return true; |
1457 | } | |
1458 | } | |
1459 | } | |
1460 | ||
1461 | return false; | |
1462 | } | |
48e27807 | 1463 | |
928811d8 KL |
1464 | /** |
1465 | * Add a keyboard accelerator to the global hash. | |
1466 | * | |
1467 | * @param item menu item this accelerator relates to | |
1468 | * @param keypress keypress that will dispatch a TMenuEvent | |
1469 | */ | |
1470 | public final void addAccelerator(final TMenuItem item, | |
1471 | final TKeypress keypress) { | |
e826b451 | 1472 | |
e826b451 KL |
1473 | synchronized (accelerators) { |
1474 | assert (accelerators.get(keypress) == null); | |
1475 | accelerators.put(keypress, item); | |
1476 | } | |
928811d8 KL |
1477 | } |
1478 | ||
1479 | /** | |
1480 | * Recompute menu x positions based on their title length. | |
1481 | */ | |
1482 | public final void recomputeMenuX() { | |
1483 | int x = 0; | |
1484 | for (TMenu menu: menus) { | |
1485 | menu.setX(x); | |
1486 | x += menu.getTitle().length() + 2; | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /** | |
1491 | * Post an event to process and turn off the menu. | |
1492 | * | |
1493 | * @param event new event to add to the queue | |
1494 | */ | |
1495 | public final void addMenuEvent(final TInputEvent event) { | |
8e688b92 KL |
1496 | synchronized (fillEventQueue) { |
1497 | fillEventQueue.add(event); | |
1498 | } | |
928811d8 KL |
1499 | closeMenu(); |
1500 | } | |
1501 | ||
1502 | /** | |
1503 | * Add a sub-menu to the list of open sub-menus. | |
1504 | * | |
1505 | * @param menu sub-menu | |
1506 | */ | |
1507 | public final void addSubMenu(final TMenu menu) { | |
1508 | subMenus.add(menu); | |
1509 | } | |
1510 | ||
8e688b92 KL |
1511 | /** |
1512 | * Convenience function to add a top-level menu. | |
1513 | * | |
1514 | * @param title menu title | |
1515 | * @return the new menu | |
1516 | */ | |
87a17f3c | 1517 | public final TMenu addMenu(final String title) { |
8e688b92 KL |
1518 | int x = 0; |
1519 | int y = 0; | |
1520 | TMenu menu = new TMenu(this, x, y, title); | |
1521 | menus.add(menu); | |
1522 | recomputeMenuX(); | |
1523 | return menu; | |
1524 | } | |
1525 | ||
1526 | /** | |
1527 | * Convenience function to add a default "File" menu. | |
1528 | * | |
1529 | * @return the new menu | |
1530 | */ | |
1531 | public final TMenu addFileMenu() { | |
1532 | TMenu fileMenu = addMenu("&File"); | |
1533 | fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE); | |
1534 | fileMenu.addSeparator(); | |
1535 | fileMenu.addDefaultItem(TMenu.MID_SHELL); | |
1536 | fileMenu.addDefaultItem(TMenu.MID_EXIT); | |
1537 | return fileMenu; | |
1538 | } | |
1539 | ||
1540 | /** | |
1541 | * Convenience function to add a default "Edit" menu. | |
1542 | * | |
1543 | * @return the new menu | |
1544 | */ | |
1545 | public final TMenu addEditMenu() { | |
1546 | TMenu editMenu = addMenu("&Edit"); | |
1547 | editMenu.addDefaultItem(TMenu.MID_CUT); | |
1548 | editMenu.addDefaultItem(TMenu.MID_COPY); | |
1549 | editMenu.addDefaultItem(TMenu.MID_PASTE); | |
1550 | editMenu.addDefaultItem(TMenu.MID_CLEAR); | |
1551 | return editMenu; | |
1552 | } | |
1553 | ||
1554 | /** | |
1555 | * Convenience function to add a default "Window" menu. | |
1556 | * | |
1557 | * @return the new menu | |
1558 | */ | |
c6940ed9 | 1559 | public final TMenu addWindowMenu() { |
8e688b92 KL |
1560 | TMenu windowMenu = addMenu("&Window"); |
1561 | windowMenu.addDefaultItem(TMenu.MID_TILE); | |
1562 | windowMenu.addDefaultItem(TMenu.MID_CASCADE); | |
1563 | windowMenu.addDefaultItem(TMenu.MID_CLOSE_ALL); | |
1564 | windowMenu.addSeparator(); | |
1565 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_MOVE); | |
1566 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_ZOOM); | |
1567 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_NEXT); | |
1568 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_PREVIOUS); | |
1569 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_CLOSE); | |
1570 | return windowMenu; | |
1571 | } | |
1572 | ||
1573 | /** | |
1574 | * Close all open windows. | |
1575 | */ | |
1576 | private void closeAllWindows() { | |
1577 | // Don't do anything if we are in the menu | |
1578 | if (activeMenu != null) { | |
1579 | return; | |
1580 | } | |
bb35d919 KL |
1581 | |
1582 | synchronized (windows) { | |
1583 | for (TWindow window: windows) { | |
1584 | closeWindow(window); | |
1585 | } | |
8e688b92 KL |
1586 | } |
1587 | } | |
1588 | ||
1589 | /** | |
1590 | * Re-layout the open windows as non-overlapping tiles. This produces | |
1591 | * almost the same results as Turbo Pascal 7.0's IDE. | |
1592 | */ | |
1593 | private void tileWindows() { | |
bb35d919 KL |
1594 | synchronized (windows) { |
1595 | // Don't do anything if we are in the menu | |
1596 | if (activeMenu != null) { | |
1597 | return; | |
8e688b92 | 1598 | } |
bb35d919 KL |
1599 | int z = windows.size(); |
1600 | if (z == 0) { | |
1601 | return; | |
1602 | } | |
1603 | int a = 0; | |
1604 | int b = 0; | |
1605 | a = (int)(Math.sqrt(z)); | |
1606 | int c = 0; | |
1607 | while (c < a) { | |
1608 | b = (z - c) / a; | |
1609 | if (((a * b) + c) == z) { | |
1610 | break; | |
1611 | } | |
1612 | c++; | |
8e688b92 | 1613 | } |
bb35d919 KL |
1614 | assert (a > 0); |
1615 | assert (b > 0); | |
1616 | assert (c < a); | |
1617 | int newWidth = (getScreen().getWidth() / a); | |
1618 | int newHeight1 = ((getScreen().getHeight() - 1) / b); | |
1619 | int newHeight2 = ((getScreen().getHeight() - 1) / (b + c)); | |
1620 | ||
1621 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1622 | Collections.sort(sorted); | |
1623 | Collections.reverse(sorted); | |
1624 | for (int i = 0; i < sorted.size(); i++) { | |
1625 | int logicalX = i / b; | |
1626 | int logicalY = i % b; | |
1627 | if (i >= ((a - 1) * b)) { | |
1628 | logicalX = a - 1; | |
1629 | logicalY = i - ((a - 1) * b); | |
1630 | } | |
8e688b92 | 1631 | |
bb35d919 KL |
1632 | TWindow w = sorted.get(i); |
1633 | w.setX(logicalX * newWidth); | |
1634 | w.setWidth(newWidth); | |
1635 | if (i >= ((a - 1) * b)) { | |
1636 | w.setY((logicalY * newHeight2) + 1); | |
1637 | w.setHeight(newHeight2); | |
1638 | } else { | |
1639 | w.setY((logicalY * newHeight1) + 1); | |
1640 | w.setHeight(newHeight1); | |
1641 | } | |
8e688b92 KL |
1642 | } |
1643 | } | |
1644 | } | |
1645 | ||
1646 | /** | |
1647 | * Re-layout the open windows as overlapping cascaded windows. | |
1648 | */ | |
1649 | private void cascadeWindows() { | |
bb35d919 KL |
1650 | synchronized (windows) { |
1651 | // Don't do anything if we are in the menu | |
1652 | if (activeMenu != null) { | |
1653 | return; | |
8e688b92 | 1654 | } |
bb35d919 KL |
1655 | int x = 0; |
1656 | int y = 1; | |
1657 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1658 | Collections.sort(sorted); | |
1659 | Collections.reverse(sorted); | |
1660 | for (TWindow window: sorted) { | |
1661 | window.setX(x); | |
1662 | window.setY(y); | |
1663 | x++; | |
1664 | y++; | |
1665 | if (x > getScreen().getWidth()) { | |
1666 | x = 0; | |
1667 | } | |
1668 | if (y >= getScreen().getHeight()) { | |
1669 | y = 1; | |
1670 | } | |
8e688b92 KL |
1671 | } |
1672 | } | |
1673 | } | |
1674 | ||
d502a0e9 KL |
1675 | /** |
1676 | * Convenience function to add a timer. | |
1677 | * | |
1678 | * @param duration number of milliseconds to wait between ticks | |
1679 | * @param recurring if true, re-schedule this timer after every tick | |
1680 | * @param action function to call when button is pressed | |
c6940ed9 | 1681 | * @return the timer |
d502a0e9 KL |
1682 | */ |
1683 | public final TTimer addTimer(final long duration, final boolean recurring, | |
1684 | final TAction action) { | |
1685 | ||
1686 | TTimer timer = new TTimer(duration, recurring, action); | |
1687 | synchronized (timers) { | |
1688 | timers.add(timer); | |
1689 | } | |
1690 | return timer; | |
1691 | } | |
1692 | ||
1693 | /** | |
1694 | * Convenience function to remove a timer. | |
1695 | * | |
1696 | * @param timer timer to remove | |
1697 | */ | |
1698 | public final void removeTimer(final TTimer timer) { | |
1699 | synchronized (timers) { | |
1700 | timers.remove(timer); | |
1701 | } | |
1702 | } | |
1703 | ||
c6940ed9 KL |
1704 | /** |
1705 | * Convenience function to spawn a message box. | |
1706 | * | |
1707 | * @param title window title, will be centered along the top border | |
1708 | * @param caption message to display. Use embedded newlines to get a | |
1709 | * multi-line box. | |
1710 | * @return the new message box | |
1711 | */ | |
1712 | public final TMessageBox messageBox(final String title, | |
1713 | final String caption) { | |
1714 | ||
1715 | return new TMessageBox(this, title, caption, TMessageBox.Type.OK); | |
1716 | } | |
1717 | ||
1718 | /** | |
1719 | * Convenience function to spawn a message box. | |
1720 | * | |
1721 | * @param title window title, will be centered along the top border | |
1722 | * @param caption message to display. Use embedded newlines to get a | |
1723 | * multi-line box. | |
1724 | * @param type one of the TMessageBox.Type constants. Default is | |
1725 | * Type.OK. | |
1726 | * @return the new message box | |
1727 | */ | |
1728 | public final TMessageBox messageBox(final String title, | |
1729 | final String caption, final TMessageBox.Type type) { | |
1730 | ||
1731 | return new TMessageBox(this, title, caption, type); | |
1732 | } | |
1733 | ||
1734 | /** | |
1735 | * Convenience function to spawn an input box. | |
1736 | * | |
1737 | * @param title window title, will be centered along the top border | |
1738 | * @param caption message to display. Use embedded newlines to get a | |
1739 | * multi-line box. | |
1740 | * @return the new input box | |
1741 | */ | |
1742 | public final TInputBox inputBox(final String title, final String caption) { | |
1743 | ||
1744 | return new TInputBox(this, title, caption); | |
1745 | } | |
1746 | ||
1747 | /** | |
1748 | * Convenience function to spawn an input box. | |
1749 | * | |
1750 | * @param title window title, will be centered along the top border | |
1751 | * @param caption message to display. Use embedded newlines to get a | |
1752 | * multi-line box. | |
1753 | * @param text initial text to seed the field with | |
1754 | * @return the new input box | |
1755 | */ | |
1756 | public final TInputBox inputBox(final String title, final String caption, | |
1757 | final String text) { | |
1758 | ||
1759 | return new TInputBox(this, title, caption, text); | |
1760 | } | |
1ac2ccb1 | 1761 | |
34a42e78 KL |
1762 | /** |
1763 | * Convenience function to open a terminal window. | |
1764 | * | |
1765 | * @param x column relative to parent | |
1766 | * @param y row relative to parent | |
1767 | * @return the terminal new window | |
1768 | */ | |
1769 | public final TTerminalWindow openTerminal(final int x, final int y) { | |
1770 | return openTerminal(x, y, TWindow.RESIZABLE); | |
1771 | } | |
1772 | ||
1773 | /** | |
1774 | * Convenience function to open a terminal window. | |
1775 | * | |
1776 | * @param x column relative to parent | |
1777 | * @param y row relative to parent | |
1778 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
1779 | * @return the terminal new window | |
1780 | */ | |
1781 | public final TTerminalWindow openTerminal(final int x, final int y, | |
1782 | final int flags) { | |
1783 | ||
1784 | return new TTerminalWindow(this, x, y, flags); | |
1785 | } | |
1786 | ||
7d4115a5 | 1787 | } |