Commit | Line | Data |
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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; |
4328bb42 KL |
37 | import java.util.LinkedList; |
38 | import java.util.List; | |
39 | ||
40 | import jexer.bits.CellAttributes; | |
41 | import jexer.bits.ColorTheme; | |
42 | import jexer.bits.GraphicsChars; | |
43 | import jexer.event.TCommandEvent; | |
44 | import jexer.event.TInputEvent; | |
45 | import jexer.event.TKeypressEvent; | |
fca67db0 | 46 | import jexer.event.TMenuEvent; |
4328bb42 KL |
47 | import jexer.event.TMouseEvent; |
48 | import jexer.event.TResizeEvent; | |
49 | import jexer.backend.Backend; | |
50 | import jexer.backend.ECMA48Backend; | |
48e27807 | 51 | import jexer.io.Screen; |
928811d8 KL |
52 | import jexer.menu.TMenu; |
53 | import jexer.menu.TMenuItem; | |
4328bb42 KL |
54 | import static jexer.TCommand.*; |
55 | import static jexer.TKeypress.*; | |
56 | ||
7d4115a5 KL |
57 | /** |
58 | * TApplication sets up a full Text User Interface application. | |
59 | */ | |
60 | public class TApplication { | |
61 | ||
62 | /** | |
4328bb42 KL |
63 | * Access to the physical screen, keyboard, and mouse. |
64 | */ | |
7b5261bc | 65 | private Backend backend; |
4328bb42 | 66 | |
48e27807 KL |
67 | /** |
68 | * Get the Screen. | |
69 | * | |
70 | * @return the Screen | |
71 | */ | |
72 | public final Screen getScreen() { | |
73 | return backend.getScreen(); | |
74 | } | |
75 | ||
4328bb42 | 76 | /** |
7b5261bc | 77 | * Actual mouse coordinate X. |
4328bb42 KL |
78 | */ |
79 | private int mouseX; | |
80 | ||
81 | /** | |
7b5261bc | 82 | * Actual mouse coordinate Y. |
4328bb42 KL |
83 | */ |
84 | private int mouseY; | |
85 | ||
86 | /** | |
8e688b92 | 87 | * Event queue that is filled by run(). |
4328bb42 | 88 | */ |
8e688b92 KL |
89 | private List<TInputEvent> fillEventQueue; |
90 | ||
91 | /** | |
92 | * Event queue that will be drained by either primary or secondary | |
93 | * Thread. | |
94 | */ | |
95 | private List<TInputEvent> drainEventQueue; | |
4328bb42 | 96 | |
fca67db0 KL |
97 | /** |
98 | * Top-level menus in this application. | |
99 | */ | |
100 | private List<TMenu> menus; | |
101 | ||
102 | /** | |
103 | * Stack of activated sub-menus in this application. | |
104 | */ | |
105 | private List<TMenu> subMenus; | |
106 | ||
107 | /** | |
108 | * The currently acive menu. | |
109 | */ | |
110 | private TMenu activeMenu = null; | |
111 | ||
4328bb42 KL |
112 | /** |
113 | * Windows and widgets pull colors from this ColorTheme. | |
114 | */ | |
7b5261bc KL |
115 | private ColorTheme theme; |
116 | ||
117 | /** | |
118 | * Get the color theme. | |
119 | * | |
120 | * @return the theme | |
121 | */ | |
122 | public final ColorTheme getTheme() { | |
123 | return theme; | |
124 | } | |
4328bb42 | 125 | |
a06459bd KL |
126 | /** |
127 | * The top-level windows (but not menus). | |
128 | */ | |
fca67db0 | 129 | private List<TWindow> windows; |
a06459bd | 130 | |
4328bb42 KL |
131 | /** |
132 | * When true, exit the application. | |
133 | */ | |
48e27807 | 134 | private boolean quit = false; |
4328bb42 KL |
135 | |
136 | /** | |
137 | * When true, repaint the entire screen. | |
138 | */ | |
48e27807 KL |
139 | private boolean repaint = true; |
140 | ||
141 | /** | |
142 | * Request full repaint on next screen refresh. | |
143 | */ | |
fca67db0 | 144 | public final void setRepaint() { |
48e27807 KL |
145 | repaint = true; |
146 | } | |
4328bb42 KL |
147 | |
148 | /** | |
149 | * When true, just flush updates from the screen. | |
7d4115a5 | 150 | */ |
48e27807 | 151 | private boolean flush = false; |
4328bb42 KL |
152 | |
153 | /** | |
7b5261bc KL |
154 | * Y coordinate of the top edge of the desktop. For now this is a |
155 | * constant. Someday it would be nice to have a multi-line menu or | |
156 | * toolbars. | |
4328bb42 | 157 | */ |
48e27807 KL |
158 | private static final int desktopTop = 1; |
159 | ||
160 | /** | |
161 | * Get Y coordinate of the top edge of the desktop. | |
162 | * | |
163 | * @return Y coordinate of the top edge of the desktop | |
164 | */ | |
165 | public final int getDesktopTop() { | |
166 | return desktopTop; | |
167 | } | |
4328bb42 KL |
168 | |
169 | /** | |
170 | * Y coordinate of the bottom edge of the desktop. | |
171 | */ | |
48e27807 KL |
172 | private int desktopBottom; |
173 | ||
174 | /** | |
175 | * Get Y coordinate of the bottom edge of the desktop. | |
176 | * | |
177 | * @return Y coordinate of the bottom edge of the desktop | |
178 | */ | |
179 | public final int getDesktopBottom() { | |
180 | return desktopBottom; | |
181 | } | |
4328bb42 KL |
182 | |
183 | /** | |
184 | * Public constructor. | |
185 | * | |
186 | * @param input an InputStream connected to the remote user, or null for | |
187 | * System.in. If System.in is used, then on non-Windows systems it will | |
188 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
189 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
190 | * @param output an OutputStream connected to the remote user, or null | |
191 | * for System.out. output is always converted to a Writer with UTF-8 | |
192 | * encoding. | |
7b5261bc KL |
193 | * @throws UnsupportedEncodingException if an exception is thrown when |
194 | * creating the InputStreamReader | |
4328bb42 | 195 | */ |
7b5261bc KL |
196 | public TApplication(final InputStream input, |
197 | final OutputStream output) throws UnsupportedEncodingException { | |
4328bb42 | 198 | |
8e688b92 KL |
199 | backend = new ECMA48Backend(input, output); |
200 | theme = new ColorTheme(); | |
201 | desktopBottom = getScreen().getHeight() - 1; | |
202 | fillEventQueue = new LinkedList<TInputEvent>(); | |
203 | drainEventQueue = new LinkedList<TInputEvent>(); | |
204 | windows = new LinkedList<TWindow>(); | |
205 | menus = new LinkedList<TMenu>(); | |
206 | subMenus = new LinkedList<TMenu>(); | |
4328bb42 KL |
207 | } |
208 | ||
209 | /** | |
210 | * Invert the cell at the mouse pointer position. | |
211 | */ | |
212 | private void drawMouse() { | |
a06459bd | 213 | CellAttributes attr = getScreen().getAttrXY(mouseX, mouseY); |
7b5261bc KL |
214 | attr.setForeColor(attr.getForeColor().invert()); |
215 | attr.setBackColor(attr.getBackColor().invert()); | |
a06459bd | 216 | getScreen().putAttrXY(mouseX, mouseY, attr, false); |
7b5261bc KL |
217 | flush = true; |
218 | ||
a06459bd | 219 | if (windows.size() == 0) { |
7b5261bc KL |
220 | repaint = true; |
221 | } | |
4328bb42 KL |
222 | } |
223 | ||
224 | /** | |
225 | * Draw everything. | |
226 | */ | |
7b5261bc KL |
227 | public final void drawAll() { |
228 | if ((flush) && (!repaint)) { | |
229 | backend.flushScreen(); | |
230 | flush = false; | |
231 | return; | |
232 | } | |
233 | ||
234 | if (!repaint) { | |
235 | return; | |
236 | } | |
237 | ||
238 | // If true, the cursor is not visible | |
239 | boolean cursor = false; | |
240 | ||
241 | // Start with a clean screen | |
a06459bd | 242 | getScreen().clear(); |
7b5261bc KL |
243 | |
244 | // Draw the background | |
245 | CellAttributes background = theme.getColor("tapplication.background"); | |
a06459bd | 246 | getScreen().putAll(GraphicsChars.HATCH, background); |
7b5261bc | 247 | |
7b5261bc | 248 | // Draw each window in reverse Z order |
a06459bd KL |
249 | List<TWindow> sorted = new LinkedList<TWindow>(windows); |
250 | Collections.sort(sorted); | |
251 | Collections.reverse(sorted); | |
252 | for (TWindow window: sorted) { | |
253 | window.drawChildren(); | |
7b5261bc KL |
254 | } |
255 | ||
256 | // Draw the blank menubar line - reset the screen clipping first so | |
257 | // it won't trim it out. | |
a06459bd KL |
258 | getScreen().resetClipping(); |
259 | getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ', | |
7b5261bc KL |
260 | theme.getColor("tmenu")); |
261 | // Now draw the menus. | |
262 | int x = 1; | |
fca67db0 | 263 | for (TMenu menu: menus) { |
7b5261bc KL |
264 | CellAttributes menuColor; |
265 | CellAttributes menuMnemonicColor; | |
fca67db0 | 266 | if (menu.getActive()) { |
7b5261bc KL |
267 | menuColor = theme.getColor("tmenu.highlighted"); |
268 | menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted"); | |
269 | } else { | |
270 | menuColor = theme.getColor("tmenu"); | |
271 | menuMnemonicColor = theme.getColor("tmenu.mnemonic"); | |
272 | } | |
273 | // Draw the menu title | |
fca67db0 | 274 | getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ', |
7b5261bc | 275 | menuColor); |
fca67db0 | 276 | getScreen().putStrXY(x + 1, 0, menu.getTitle(), menuColor); |
7b5261bc | 277 | // Draw the highlight character |
fca67db0 KL |
278 | getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(), |
279 | 0, menu.getMnemonic().getShortcut(), menuMnemonicColor); | |
7b5261bc | 280 | |
fca67db0 | 281 | if (menu.getActive()) { |
a06459bd | 282 | menu.drawChildren(); |
7b5261bc | 283 | // Reset the screen clipping so we can draw the next title. |
a06459bd | 284 | getScreen().resetClipping(); |
7b5261bc | 285 | } |
fca67db0 | 286 | x += menu.getTitle().length() + 2; |
7b5261bc KL |
287 | } |
288 | ||
a06459bd | 289 | for (TMenu menu: subMenus) { |
7b5261bc | 290 | // Reset the screen clipping so we can draw the next sub-menu. |
a06459bd KL |
291 | getScreen().resetClipping(); |
292 | menu.drawChildren(); | |
7b5261bc | 293 | } |
7b5261bc KL |
294 | |
295 | // Draw the mouse pointer | |
296 | drawMouse(); | |
297 | ||
7b5261bc KL |
298 | // Place the cursor if it is visible |
299 | TWidget activeWidget = null; | |
a06459bd KL |
300 | if (sorted.size() > 0) { |
301 | activeWidget = sorted.get(sorted.size() - 1).getActiveChild(); | |
302 | if (activeWidget.visibleCursor()) { | |
303 | getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(), | |
7b5261bc KL |
304 | activeWidget.getCursorAbsoluteY()); |
305 | cursor = true; | |
306 | } | |
307 | } | |
308 | ||
309 | // Kill the cursor | |
fca67db0 | 310 | if (!cursor) { |
a06459bd | 311 | getScreen().hideCursor(); |
7b5261bc | 312 | } |
7b5261bc KL |
313 | |
314 | // Flush the screen contents | |
315 | backend.flushScreen(); | |
316 | ||
317 | repaint = false; | |
318 | flush = false; | |
4328bb42 KL |
319 | } |
320 | ||
321 | /** | |
7b5261bc | 322 | * Run this application until it exits. |
4328bb42 KL |
323 | */ |
324 | public final void run() { | |
7b5261bc KL |
325 | while (!quit) { |
326 | // Timeout is in milliseconds, so default timeout after 1 second | |
327 | // of inactivity. | |
328 | int timeout = getSleepTime(1000); | |
329 | ||
8e688b92 KL |
330 | // See if there are any definitely events waiting to be processed |
331 | // or a screen redraw to do. If so, do not wait if there is no | |
332 | // I/O coming in. | |
333 | synchronized (drainEventQueue) { | |
334 | if (drainEventQueue.size() > 0) { | |
335 | timeout = 0; | |
336 | } | |
337 | } | |
338 | synchronized (fillEventQueue) { | |
339 | if (fillEventQueue.size() > 0) { | |
340 | timeout = 0; | |
341 | } | |
7b5261bc KL |
342 | } |
343 | ||
8e688b92 KL |
344 | // Pull any pending I/O events |
345 | backend.getEvents(fillEventQueue, timeout); | |
346 | ||
347 | // Dispatch each event to the appropriate handler, one at a time. | |
348 | for (;;) { | |
349 | TInputEvent event = null; | |
350 | synchronized (fillEventQueue) { | |
351 | if (fillEventQueue.size() == 0) { | |
352 | break; | |
353 | } | |
354 | event = fillEventQueue.remove(0); | |
355 | } | |
356 | metaHandleEvent(event); | |
357 | } | |
7b5261bc KL |
358 | |
359 | // Process timers and call doIdle()'s | |
360 | doIdle(); | |
361 | ||
362 | // Update the screen | |
363 | drawAll(); | |
364 | } | |
365 | ||
366 | /* | |
367 | ||
368 | // Shutdown the fibers | |
369 | eventQueue.length = 0; | |
370 | if (secondaryEventFiber !is null) { | |
371 | assert(secondaryEventReceiver !is null); | |
372 | secondaryEventReceiver = null; | |
373 | if (secondaryEventFiber.state == Fiber.State.HOLD) { | |
374 | // Wake up the secondary handler so that it can exit. | |
375 | secondaryEventFiber.call(); | |
376 | } | |
377 | } | |
378 | ||
379 | if (primaryEventFiber.state == Fiber.State.HOLD) { | |
380 | // Wake up the primary handler so that it can exit. | |
381 | primaryEventFiber.call(); | |
382 | } | |
383 | */ | |
384 | ||
385 | backend.shutdown(); | |
4328bb42 KL |
386 | } |
387 | ||
388 | /** | |
389 | * Peek at certain application-level events, add to eventQueue, and wake | |
8e688b92 | 390 | * up the consuming Thread. |
4328bb42 | 391 | * |
8e688b92 | 392 | * @param event the input event to consume |
4328bb42 | 393 | */ |
8e688b92 | 394 | private void metaHandleEvent(final TInputEvent event) { |
7b5261bc | 395 | |
8e688b92 KL |
396 | /* |
397 | System.err.printf(String.format("metaHandleEvents event: %s\n", | |
398 | event)); System.err.flush(); | |
399 | */ | |
7b5261bc | 400 | |
8e688b92 KL |
401 | if (quit) { |
402 | // Do no more processing if the application is already trying | |
403 | // to exit. | |
404 | return; | |
405 | } | |
7b5261bc | 406 | |
8e688b92 KL |
407 | // DEBUG |
408 | if (event instanceof TKeypressEvent) { | |
409 | TKeypressEvent keypress = (TKeypressEvent) event; | |
410 | if (keypress.equals(kbAltX)) { | |
411 | quit = true; | |
7b5261bc KL |
412 | return; |
413 | } | |
8e688b92 KL |
414 | } |
415 | // DEBUG | |
7b5261bc | 416 | |
8e688b92 | 417 | // Special application-wide events ------------------------------- |
7b5261bc | 418 | |
8e688b92 KL |
419 | // Abort everything |
420 | if (event instanceof TCommandEvent) { | |
421 | TCommandEvent command = (TCommandEvent) event; | |
422 | if (command.getCmd().equals(cmAbort)) { | |
423 | quit = true; | |
424 | return; | |
7b5261bc | 425 | } |
8e688b92 | 426 | } |
7b5261bc | 427 | |
8e688b92 KL |
428 | // Screen resize |
429 | if (event instanceof TResizeEvent) { | |
430 | TResizeEvent resize = (TResizeEvent) event; | |
431 | getScreen().setDimensions(resize.getWidth(), | |
432 | resize.getHeight()); | |
433 | desktopBottom = getScreen().getHeight() - 1; | |
434 | repaint = true; | |
435 | mouseX = 0; | |
436 | mouseY = 0; | |
437 | return; | |
438 | } | |
7b5261bc | 439 | |
8e688b92 KL |
440 | // Peek at the mouse position |
441 | if (event instanceof TMouseEvent) { | |
442 | TMouseEvent mouse = (TMouseEvent) event; | |
443 | if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) { | |
444 | mouseX = mouse.getX(); | |
445 | mouseY = mouse.getY(); | |
446 | drawMouse(); | |
7b5261bc | 447 | } |
8e688b92 | 448 | } |
7b5261bc | 449 | |
8e688b92 KL |
450 | // TODO: change to two separate threads |
451 | primaryHandleEvent(event); | |
7b5261bc | 452 | |
8e688b92 | 453 | /* |
7b5261bc | 454 | |
8e688b92 KL |
455 | // Put into the main queue |
456 | addEvent(event); | |
7b5261bc | 457 | |
8e688b92 KL |
458 | // Have one of the two consumer Fibers peel the events off |
459 | // the queue. | |
460 | if (secondaryEventFiber !is null) { | |
461 | assert(secondaryEventFiber.state == Fiber.State.HOLD); | |
7b5261bc | 462 | |
8e688b92 KL |
463 | // Wake up the secondary handler for these events |
464 | secondaryEventFiber.call(); | |
465 | } else { | |
466 | assert(primaryEventFiber.state == Fiber.State.HOLD); | |
7b5261bc | 467 | |
8e688b92 KL |
468 | // Wake up the primary handler for these events |
469 | primaryEventFiber.call(); | |
470 | } | |
471 | */ | |
4328bb42 KL |
472 | |
473 | } | |
474 | ||
a06459bd KL |
475 | /** |
476 | * Dispatch one event to the appropriate widget or application-level | |
fca67db0 KL |
477 | * event handler. This is the primary event handler, it has the normal |
478 | * application-wide event handling. | |
a06459bd KL |
479 | * |
480 | * @param event the input event to consume | |
fca67db0 | 481 | * @see #secondaryHandleEvent(TInputEvent event) |
a06459bd | 482 | */ |
fca67db0 KL |
483 | private void primaryHandleEvent(final TInputEvent event) { |
484 | ||
485 | // System.err.printf("Handle event: %s\n", event); | |
486 | ||
487 | // Special application-wide events ----------------------------------- | |
488 | ||
489 | // Peek at the mouse position | |
490 | if (event instanceof TMouseEvent) { | |
491 | // See if we need to switch focus to another window or the menu | |
492 | checkSwitchFocus((TMouseEvent) event); | |
493 | } | |
494 | ||
495 | // Handle menu events | |
496 | if ((activeMenu != null) && !(event instanceof TCommandEvent)) { | |
497 | TMenu menu = activeMenu; | |
498 | ||
499 | if (event instanceof TMouseEvent) { | |
500 | TMouseEvent mouse = (TMouseEvent) event; | |
501 | ||
502 | while (subMenus.size() > 0) { | |
503 | TMenu subMenu = subMenus.get(subMenus.size() - 1); | |
504 | if (subMenu.mouseWouldHit(mouse)) { | |
505 | break; | |
506 | } | |
507 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
508 | && (!mouse.getMouse1()) | |
509 | && (!mouse.getMouse2()) | |
510 | && (!mouse.getMouse3()) | |
511 | && (!mouse.getMouseWheelUp()) | |
512 | && (!mouse.getMouseWheelDown()) | |
513 | ) { | |
514 | break; | |
515 | } | |
516 | // We navigated away from a sub-menu, so close it | |
517 | closeSubMenu(); | |
518 | } | |
519 | ||
520 | // Convert the mouse relative x/y to menu coordinates | |
521 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
522 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
523 | if (subMenus.size() > 0) { | |
524 | menu = subMenus.get(subMenus.size() - 1); | |
525 | } | |
526 | mouse.setX(mouse.getX() - menu.getX()); | |
527 | mouse.setY(mouse.getY() - menu.getY()); | |
528 | } | |
529 | menu.handleEvent(event); | |
530 | return; | |
531 | } | |
a06459bd KL |
532 | |
533 | /* | |
fca67db0 KL |
534 | TODO |
535 | ||
536 | if (event instanceof TKeypressEvent) { | |
537 | TKeypressEvent keypress = (TKeypressEvent) event; | |
538 | // See if this key matches an accelerator, and if so dispatch the | |
539 | // menu event. | |
540 | TKeypress keypressLowercase = keypress.getKey().toLowerCase(); | |
541 | TMenuItem item = accelerators.get(keypressLowercase); | |
542 | if (item != null) { | |
543 | // Let the menu item dispatch | |
544 | item.dispatch(); | |
545 | return; | |
546 | } else { | |
547 | // Handle the keypress | |
548 | if (onKeypress(keypress)) { | |
549 | return; | |
550 | } | |
551 | } | |
552 | } | |
a06459bd KL |
553 | */ |
554 | ||
fca67db0 KL |
555 | if (event instanceof TCommandEvent) { |
556 | if (onCommand((TCommandEvent) event)) { | |
557 | return; | |
558 | } | |
559 | } | |
560 | ||
561 | if (event instanceof TMenuEvent) { | |
562 | if (onMenu((TMenuEvent) event)) { | |
563 | return; | |
564 | } | |
565 | } | |
566 | ||
567 | // Dispatch events to the active window ------------------------------- | |
568 | for (TWindow window: windows) { | |
569 | if (window.getActive()) { | |
a06459bd KL |
570 | if (event instanceof TMouseEvent) { |
571 | TMouseEvent mouse = (TMouseEvent) event; | |
fca67db0 KL |
572 | // Convert the mouse relative x/y to window coordinates |
573 | assert (mouse.getX() == mouse.getAbsoluteX()); | |
574 | assert (mouse.getY() == mouse.getAbsoluteY()); | |
575 | mouse.setX(mouse.getX() - window.getX()); | |
576 | mouse.setY(mouse.getY() - window.getY()); | |
577 | } | |
578 | // System.err("TApplication dispatch event: %s\n", event); | |
579 | window.handleEvent(event); | |
580 | break; | |
581 | } | |
582 | } | |
583 | } | |
584 | /** | |
585 | * Dispatch one event to the appropriate widget or application-level | |
586 | * event handler. This is the secondary event handler used by certain | |
587 | * special dialogs (currently TMessageBox and TFileOpenBox). | |
588 | * | |
589 | * @param event the input event to consume | |
590 | * @see #primaryHandleEvent(TInputEvent event) | |
591 | */ | |
592 | private void secondaryHandleEvent(final TInputEvent event) { | |
593 | // TODO | |
a06459bd KL |
594 | } |
595 | ||
4328bb42 KL |
596 | /** |
597 | * Do stuff when there is no user input. | |
598 | */ | |
599 | private void doIdle() { | |
7b5261bc | 600 | /* |
a06459bd | 601 | TODO |
7b5261bc KL |
602 | // Now run any timers that have timed out |
603 | auto now = Clock.currTime; | |
604 | TTimer [] keepTimers; | |
605 | foreach (t; timers) { | |
606 | if (t.nextTick < now) { | |
607 | t.tick(); | |
608 | if (t.recurring == true) { | |
609 | keepTimers ~= t; | |
610 | } | |
611 | } else { | |
612 | keepTimers ~= t; | |
613 | } | |
614 | } | |
615 | timers = keepTimers; | |
616 | ||
617 | // Call onIdle's | |
618 | foreach (w; windows) { | |
619 | w.onIdle(); | |
620 | } | |
621 | */ | |
4328bb42 | 622 | } |
7d4115a5 | 623 | |
4328bb42 KL |
624 | /** |
625 | * Get the amount of time I can sleep before missing a Timer tick. | |
626 | * | |
627 | * @param timeout = initial (maximum) timeout | |
628 | * @return number of milliseconds between now and the next timer event | |
629 | */ | |
7b5261bc KL |
630 | protected int getSleepTime(final int timeout) { |
631 | /* | |
632 | auto now = Clock.currTime; | |
633 | auto sleepTime = dur!("msecs")(timeout); | |
634 | foreach (t; timers) { | |
635 | if (t.nextTick < now) { | |
636 | return 0; | |
637 | } | |
638 | if ((t.nextTick > now) && | |
639 | ((t.nextTick - now) < sleepTime) | |
640 | ) { | |
641 | sleepTime = t.nextTick - now; | |
642 | } | |
643 | } | |
644 | assert(sleepTime.total!("msecs")() >= 0); | |
645 | return cast(uint)sleepTime.total!("msecs")(); | |
646 | */ | |
647 | // TODO: fix timers. Until then, come back after 250 millis. | |
648 | return 250; | |
7d4115a5 | 649 | } |
4328bb42 | 650 | |
48e27807 KL |
651 | /** |
652 | * Close window. Note that the window's destructor is NOT called by this | |
653 | * method, instead the GC is assumed to do the cleanup. | |
654 | * | |
655 | * @param window the window to remove | |
656 | */ | |
657 | public final void closeWindow(final TWindow window) { | |
fca67db0 KL |
658 | int z = window.getZ(); |
659 | window.setZ(-1); | |
660 | Collections.sort(windows); | |
661 | windows.remove(0); | |
48e27807 | 662 | TWindow activeWindow = null; |
fca67db0 KL |
663 | for (TWindow w: windows) { |
664 | if (w.getZ() > z) { | |
665 | w.setZ(w.getZ() - 1); | |
666 | if (w.getZ() == 0) { | |
667 | w.setActive(true); | |
668 | assert (activeWindow == null); | |
48e27807 KL |
669 | activeWindow = w; |
670 | } else { | |
fca67db0 | 671 | w.setActive(false); |
48e27807 KL |
672 | } |
673 | } | |
674 | } | |
675 | ||
676 | // Perform window cleanup | |
677 | window.onClose(); | |
678 | ||
679 | // Refresh screen | |
680 | repaint = true; | |
681 | ||
fca67db0 KL |
682 | /* |
683 | TODO | |
684 | ||
685 | ||
48e27807 KL |
686 | // Check if we are closing a TMessageBox or similar |
687 | if (secondaryEventReceiver !is null) { | |
688 | assert(secondaryEventFiber !is null); | |
689 | ||
690 | // Do not send events to the secondaryEventReceiver anymore, the | |
691 | // window is closed. | |
692 | secondaryEventReceiver = null; | |
693 | ||
694 | // Special case: if this is called while executing on a | |
695 | // secondaryEventFiber, call it so that widgetEventHandler() can | |
696 | // terminate. | |
697 | if (secondaryEventFiber.state == Fiber.State.HOLD) { | |
698 | secondaryEventFiber.call(); | |
699 | } | |
700 | secondaryEventFiber = null; | |
701 | ||
702 | // Unfreeze the logic in handleEvent() | |
703 | if (primaryEventFiber.state == Fiber.State.HOLD) { | |
704 | primaryEventFiber.call(); | |
705 | } | |
706 | } | |
707 | */ | |
708 | } | |
709 | ||
710 | /** | |
711 | * Switch to the next window. | |
712 | * | |
713 | * @param forward if true, then switch to the next window in the list, | |
714 | * otherwise switch to the previous window in the list | |
715 | */ | |
716 | public final void switchWindow(final boolean forward) { | |
48e27807 | 717 | // Only switch if there are multiple windows |
fca67db0 | 718 | if (windows.size() < 2) { |
48e27807 KL |
719 | return; |
720 | } | |
721 | ||
fca67db0 KL |
722 | // Swap z/active between active window and the next in the list |
723 | int activeWindowI = -1; | |
724 | for (int i = 0; i < windows.size(); i++) { | |
725 | if (windows.get(i).getActive()) { | |
48e27807 KL |
726 | activeWindowI = i; |
727 | break; | |
728 | } | |
729 | } | |
fca67db0 | 730 | assert (activeWindowI >= 0); |
48e27807 KL |
731 | |
732 | // Do not switch if a window is modal | |
fca67db0 | 733 | if (windows.get(activeWindowI).isModal()) { |
48e27807 KL |
734 | return; |
735 | } | |
736 | ||
fca67db0 | 737 | int nextWindowI; |
48e27807 | 738 | if (forward) { |
fca67db0 | 739 | nextWindowI = (activeWindowI + 1) % windows.size(); |
48e27807 KL |
740 | } else { |
741 | if (activeWindowI == 0) { | |
fca67db0 | 742 | nextWindowI = windows.size() - 1; |
48e27807 KL |
743 | } else { |
744 | nextWindowI = activeWindowI - 1; | |
745 | } | |
746 | } | |
fca67db0 KL |
747 | windows.get(activeWindowI).setActive(false); |
748 | windows.get(activeWindowI).setZ(windows.get(nextWindowI).getZ()); | |
749 | windows.get(nextWindowI).setZ(0); | |
750 | windows.get(nextWindowI).setActive(true); | |
48e27807 KL |
751 | |
752 | // Refresh | |
753 | repaint = true; | |
48e27807 KL |
754 | } |
755 | ||
756 | /** | |
757 | * Add a window to my window list and make it active. | |
758 | * | |
759 | * @param window new window to add | |
760 | */ | |
761 | public final void addWindow(final TWindow window) { | |
48e27807 | 762 | // Do not allow a modal window to spawn a non-modal window |
a06459bd KL |
763 | if ((windows.size() > 0) && (windows.get(0).isModal())) { |
764 | assert (window.isModal()); | |
48e27807 | 765 | } |
a06459bd | 766 | for (TWindow w: windows) { |
fca67db0 | 767 | w.setActive(false); |
a06459bd | 768 | w.setZ(w.getZ() + 1); |
48e27807 | 769 | } |
a06459bd | 770 | windows.add(window); |
fca67db0 | 771 | window.setActive(true); |
a06459bd | 772 | window.setZ(0); |
48e27807 KL |
773 | } |
774 | ||
fca67db0 KL |
775 | /** |
776 | * Check if there is a system-modal window on top. | |
777 | * | |
778 | * @return true if the active window is modal | |
779 | */ | |
780 | private boolean modalWindowActive() { | |
781 | if (windows.size() == 0) { | |
782 | return false; | |
783 | } | |
784 | return windows.get(windows.size() - 1).isModal(); | |
785 | } | |
786 | ||
787 | /** | |
788 | * Check if a mouse event would hit either the active menu or any open | |
789 | * sub-menus. | |
790 | * | |
791 | * @param mouse mouse event | |
792 | * @return true if the mouse would hit the active menu or an open | |
793 | * sub-menu | |
794 | */ | |
795 | private boolean mouseOnMenu(final TMouseEvent mouse) { | |
796 | assert (activeMenu != null); | |
797 | List<TMenu> menus = new LinkedList<TMenu>(subMenus); | |
798 | Collections.reverse(menus); | |
799 | for (TMenu menu: menus) { | |
800 | if (menu.mouseWouldHit(mouse)) { | |
801 | return true; | |
802 | } | |
803 | } | |
804 | return activeMenu.mouseWouldHit(mouse); | |
805 | } | |
806 | ||
807 | /** | |
808 | * See if we need to switch window or activate the menu based on | |
809 | * a mouse click. | |
810 | * | |
811 | * @param mouse mouse event | |
812 | */ | |
813 | private void checkSwitchFocus(final TMouseEvent mouse) { | |
814 | ||
815 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
816 | && (activeMenu != null) | |
817 | && (mouse.getAbsoluteY() != 0) | |
818 | && (!mouseOnMenu(mouse)) | |
819 | ) { | |
820 | // They clicked outside the active menu, turn it off | |
821 | activeMenu.setActive(false); | |
822 | activeMenu = null; | |
823 | for (TMenu menu: subMenus) { | |
824 | menu.setActive(false); | |
825 | } | |
826 | subMenus.clear(); | |
827 | // Continue checks | |
828 | } | |
829 | ||
830 | // See if they hit the menu bar | |
831 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN) | |
832 | && (mouse.getMouse1()) | |
833 | && (!modalWindowActive()) | |
834 | && (mouse.getAbsoluteY() == 0) | |
835 | ) { | |
836 | ||
837 | for (TMenu menu: subMenus) { | |
838 | menu.setActive(false); | |
839 | } | |
840 | subMenus.clear(); | |
841 | ||
842 | // They selected the menu, go activate it | |
843 | for (TMenu menu: menus) { | |
844 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
845 | && (mouse.getAbsoluteX() < menu.getX() | |
846 | + menu.getTitle().length() + 2) | |
847 | ) { | |
848 | menu.setActive(true); | |
849 | activeMenu = menu; | |
850 | } else { | |
851 | menu.setActive(false); | |
852 | } | |
853 | } | |
854 | repaint = true; | |
855 | return; | |
856 | } | |
857 | ||
858 | // See if they hit the menu bar | |
859 | if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) | |
860 | && (mouse.getMouse1()) | |
861 | && (activeMenu != null) | |
862 | && (mouse.getAbsoluteY() == 0) | |
863 | ) { | |
864 | ||
865 | TMenu oldMenu = activeMenu; | |
866 | for (TMenu menu: subMenus) { | |
867 | menu.setActive(false); | |
868 | } | |
869 | subMenus.clear(); | |
870 | ||
871 | // See if we should switch menus | |
872 | for (TMenu menu: menus) { | |
873 | if ((mouse.getAbsoluteX() >= menu.getX()) | |
874 | && (mouse.getAbsoluteX() < menu.getX() | |
875 | + menu.getTitle().length() + 2) | |
876 | ) { | |
877 | menu.setActive(true); | |
878 | activeMenu = menu; | |
879 | } | |
880 | } | |
881 | if (oldMenu != activeMenu) { | |
882 | // They switched menus | |
883 | oldMenu.setActive(false); | |
884 | } | |
885 | repaint = true; | |
886 | return; | |
887 | } | |
888 | ||
889 | // Only switch if there are multiple windows | |
890 | if (windows.size() < 2) { | |
891 | return; | |
892 | } | |
893 | ||
894 | // Switch on the upclick | |
895 | if (mouse.getType() != TMouseEvent.Type.MOUSE_UP) { | |
896 | return; | |
897 | } | |
898 | ||
899 | Collections.sort(windows); | |
900 | if (windows.get(0).isModal()) { | |
901 | // Modal windows don't switch | |
902 | return; | |
903 | } | |
904 | ||
905 | for (TWindow window: windows) { | |
906 | assert (!window.isModal()); | |
907 | if (window.mouseWouldHit(mouse)) { | |
908 | if (window == windows.get(0)) { | |
909 | // Clicked on the same window, nothing to do | |
910 | return; | |
911 | } | |
912 | ||
913 | // We will be switching to another window | |
914 | assert (windows.get(0).getActive()); | |
915 | assert (!window.getActive()); | |
916 | windows.get(0).setActive(false); | |
917 | windows.get(0).setZ(window.getZ()); | |
918 | window.setZ(0); | |
919 | window.setActive(true); | |
920 | repaint = true; | |
921 | return; | |
922 | } | |
923 | } | |
924 | ||
925 | // Clicked on the background, nothing to do | |
926 | return; | |
927 | } | |
928 | ||
929 | /** | |
930 | * Turn off the menu. | |
931 | */ | |
928811d8 | 932 | public final void closeMenu() { |
fca67db0 KL |
933 | if (activeMenu != null) { |
934 | activeMenu.setActive(false); | |
935 | activeMenu = null; | |
936 | for (TMenu menu: subMenus) { | |
937 | menu.setActive(false); | |
938 | } | |
939 | subMenus.clear(); | |
940 | } | |
941 | repaint = true; | |
942 | } | |
943 | ||
944 | /** | |
945 | * Turn off a sub-menu. | |
946 | */ | |
928811d8 | 947 | public final void closeSubMenu() { |
fca67db0 KL |
948 | assert (activeMenu != null); |
949 | TMenu item = subMenus.get(subMenus.size() - 1); | |
950 | assert (item != null); | |
951 | item.setActive(false); | |
952 | subMenus.remove(subMenus.size() - 1); | |
953 | repaint = true; | |
954 | } | |
955 | ||
956 | /** | |
957 | * Switch to the next menu. | |
958 | * | |
959 | * @param forward if true, then switch to the next menu in the list, | |
960 | * otherwise switch to the previous menu in the list | |
961 | */ | |
928811d8 | 962 | public final void switchMenu(final boolean forward) { |
fca67db0 KL |
963 | assert (activeMenu != null); |
964 | ||
965 | for (TMenu menu: subMenus) { | |
966 | menu.setActive(false); | |
967 | } | |
968 | subMenus.clear(); | |
969 | ||
970 | for (int i = 0; i < menus.size(); i++) { | |
971 | if (activeMenu == menus.get(i)) { | |
972 | if (forward) { | |
973 | if (i < menus.size() - 1) { | |
974 | i++; | |
975 | } | |
976 | } else { | |
977 | if (i > 0) { | |
978 | i--; | |
979 | } | |
980 | } | |
981 | activeMenu.setActive(false); | |
982 | activeMenu = menus.get(i); | |
983 | activeMenu.setActive(true); | |
984 | repaint = true; | |
985 | return; | |
986 | } | |
987 | } | |
988 | } | |
989 | ||
990 | /** | |
991 | * Method that TApplication subclasses can override to handle menu or | |
992 | * posted command events. | |
993 | * | |
994 | * @param command command event | |
995 | * @return if true, this event was consumed | |
996 | */ | |
997 | protected boolean onCommand(final TCommandEvent command) { | |
998 | /* | |
999 | TODO | |
1000 | // Default: handle cmExit | |
1001 | if (command.equals(cmExit)) { | |
1002 | if (messageBox("Confirmation", "Exit application?", | |
1003 | TMessageBox.Type.YESNO).result == TMessageBox.Result.YES) { | |
1004 | quit = true; | |
1005 | } | |
1006 | repaint = true; | |
1007 | return true; | |
1008 | } | |
1009 | ||
1010 | if (command.equals(cmShell)) { | |
1011 | openTerminal(0, 0, TWindow.Flag.RESIZABLE); | |
1012 | repaint = true; | |
1013 | return true; | |
1014 | } | |
1015 | ||
1016 | if (command.equals(cmTile)) { | |
1017 | tileWindows(); | |
1018 | repaint = true; | |
1019 | return true; | |
1020 | } | |
1021 | if (command.equals(cmCascade)) { | |
1022 | cascadeWindows(); | |
1023 | repaint = true; | |
1024 | return true; | |
1025 | } | |
1026 | if (command.equals(cmCloseAll)) { | |
1027 | closeAllWindows(); | |
1028 | repaint = true; | |
1029 | return true; | |
1030 | } | |
1031 | */ | |
1032 | return false; | |
1033 | } | |
1034 | ||
1035 | /** | |
1036 | * Method that TApplication subclasses can override to handle menu | |
1037 | * events. | |
1038 | * | |
1039 | * @param menu menu event | |
1040 | * @return if true, this event was consumed | |
1041 | */ | |
1042 | protected boolean onMenu(final TMenuEvent menu) { | |
1043 | ||
fca67db0 | 1044 | // Default: handle MID_EXIT |
8e688b92 KL |
1045 | if (menu.getId() == TMenu.MID_EXIT) { |
1046 | /* | |
1047 | TODO | |
fca67db0 KL |
1048 | if (messageBox("Confirmation", "Exit application?", |
1049 | TMessageBox.Type.YESNO).result == TMessageBox.Result.YES) { | |
1050 | quit = true; | |
1051 | } | |
1052 | // System.err.printf("onMenu MID_EXIT result: quit = %s\n", quit); | |
1053 | repaint = true; | |
1054 | return true; | |
8e688b92 KL |
1055 | */ |
1056 | quit = true; | |
1057 | repaint = true; | |
1058 | return true; | |
fca67db0 KL |
1059 | } |
1060 | ||
8e688b92 KL |
1061 | /* |
1062 | TODO | |
fca67db0 KL |
1063 | if (menu.id == TMenu.MID_SHELL) { |
1064 | openTerminal(0, 0, TWindow.Flag.RESIZABLE); | |
1065 | repaint = true; | |
1066 | return true; | |
1067 | } | |
8e688b92 | 1068 | */ |
fca67db0 | 1069 | |
8e688b92 | 1070 | if (menu.getId() == TMenu.MID_TILE) { |
fca67db0 KL |
1071 | tileWindows(); |
1072 | repaint = true; | |
1073 | return true; | |
1074 | } | |
8e688b92 | 1075 | if (menu.getId() == TMenu.MID_CASCADE) { |
fca67db0 KL |
1076 | cascadeWindows(); |
1077 | repaint = true; | |
1078 | return true; | |
1079 | } | |
8e688b92 | 1080 | if (menu.getId() == TMenu.MID_CLOSE_ALL) { |
fca67db0 KL |
1081 | closeAllWindows(); |
1082 | repaint = true; | |
1083 | return true; | |
1084 | } | |
fca67db0 KL |
1085 | return false; |
1086 | } | |
1087 | ||
1088 | /** | |
1089 | * Method that TApplication subclasses can override to handle keystrokes. | |
1090 | * | |
1091 | * @param keypress keystroke event | |
1092 | * @return if true, this event was consumed | |
1093 | */ | |
1094 | protected boolean onKeypress(final TKeypressEvent keypress) { | |
1095 | // Default: only menu shortcuts | |
1096 | ||
1097 | // Process Alt-F, Alt-E, etc. menu shortcut keys | |
1098 | if (!keypress.getKey().getIsKey() | |
1099 | && keypress.getKey().getAlt() | |
1100 | && !keypress.getKey().getCtrl() | |
1101 | && (activeMenu == null) | |
1102 | ) { | |
1103 | ||
1104 | assert (subMenus.size() == 0); | |
1105 | ||
1106 | for (TMenu menu: menus) { | |
1107 | if (Character.toLowerCase(menu.getMnemonic().getShortcut()) | |
1108 | == Character.toLowerCase(keypress.getKey().getCh()) | |
1109 | ) { | |
1110 | activeMenu = menu; | |
1111 | menu.setActive(true); | |
1112 | repaint = true; | |
1113 | return true; | |
1114 | } | |
1115 | } | |
1116 | } | |
1117 | ||
1118 | return false; | |
1119 | } | |
48e27807 | 1120 | |
928811d8 KL |
1121 | /** |
1122 | * Add a keyboard accelerator to the global hash. | |
1123 | * | |
1124 | * @param item menu item this accelerator relates to | |
1125 | * @param keypress keypress that will dispatch a TMenuEvent | |
1126 | */ | |
1127 | public final void addAccelerator(final TMenuItem item, | |
1128 | final TKeypress keypress) { | |
1129 | /* | |
1130 | TODO | |
1131 | assert((keypress in accelerators) is null); | |
1132 | accelerators[keypress] = item; | |
1133 | */ | |
1134 | } | |
1135 | ||
1136 | /** | |
1137 | * Recompute menu x positions based on their title length. | |
1138 | */ | |
1139 | public final void recomputeMenuX() { | |
1140 | int x = 0; | |
1141 | for (TMenu menu: menus) { | |
1142 | menu.setX(x); | |
1143 | x += menu.getTitle().length() + 2; | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | /** | |
1148 | * Post an event to process and turn off the menu. | |
1149 | * | |
1150 | * @param event new event to add to the queue | |
1151 | */ | |
1152 | public final void addMenuEvent(final TInputEvent event) { | |
8e688b92 KL |
1153 | synchronized (fillEventQueue) { |
1154 | fillEventQueue.add(event); | |
1155 | } | |
928811d8 KL |
1156 | closeMenu(); |
1157 | } | |
1158 | ||
1159 | /** | |
1160 | * Add a sub-menu to the list of open sub-menus. | |
1161 | * | |
1162 | * @param menu sub-menu | |
1163 | */ | |
1164 | public final void addSubMenu(final TMenu menu) { | |
1165 | subMenus.add(menu); | |
1166 | } | |
1167 | ||
8e688b92 KL |
1168 | /** |
1169 | * Convenience function to add a top-level menu. | |
1170 | * | |
1171 | * @param title menu title | |
1172 | * @return the new menu | |
1173 | */ | |
1174 | public final TMenu addMenu(String title) { | |
1175 | int x = 0; | |
1176 | int y = 0; | |
1177 | TMenu menu = new TMenu(this, x, y, title); | |
1178 | menus.add(menu); | |
1179 | recomputeMenuX(); | |
1180 | return menu; | |
1181 | } | |
1182 | ||
1183 | /** | |
1184 | * Convenience function to add a default "File" menu. | |
1185 | * | |
1186 | * @return the new menu | |
1187 | */ | |
1188 | public final TMenu addFileMenu() { | |
1189 | TMenu fileMenu = addMenu("&File"); | |
1190 | fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE); | |
1191 | fileMenu.addSeparator(); | |
1192 | fileMenu.addDefaultItem(TMenu.MID_SHELL); | |
1193 | fileMenu.addDefaultItem(TMenu.MID_EXIT); | |
1194 | return fileMenu; | |
1195 | } | |
1196 | ||
1197 | /** | |
1198 | * Convenience function to add a default "Edit" menu. | |
1199 | * | |
1200 | * @return the new menu | |
1201 | */ | |
1202 | public final TMenu addEditMenu() { | |
1203 | TMenu editMenu = addMenu("&Edit"); | |
1204 | editMenu.addDefaultItem(TMenu.MID_CUT); | |
1205 | editMenu.addDefaultItem(TMenu.MID_COPY); | |
1206 | editMenu.addDefaultItem(TMenu.MID_PASTE); | |
1207 | editMenu.addDefaultItem(TMenu.MID_CLEAR); | |
1208 | return editMenu; | |
1209 | } | |
1210 | ||
1211 | /** | |
1212 | * Convenience function to add a default "Window" menu. | |
1213 | * | |
1214 | * @return the new menu | |
1215 | */ | |
1216 | final public TMenu addWindowMenu() { | |
1217 | TMenu windowMenu = addMenu("&Window"); | |
1218 | windowMenu.addDefaultItem(TMenu.MID_TILE); | |
1219 | windowMenu.addDefaultItem(TMenu.MID_CASCADE); | |
1220 | windowMenu.addDefaultItem(TMenu.MID_CLOSE_ALL); | |
1221 | windowMenu.addSeparator(); | |
1222 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_MOVE); | |
1223 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_ZOOM); | |
1224 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_NEXT); | |
1225 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_PREVIOUS); | |
1226 | windowMenu.addDefaultItem(TMenu.MID_WINDOW_CLOSE); | |
1227 | return windowMenu; | |
1228 | } | |
1229 | ||
1230 | /** | |
1231 | * Close all open windows. | |
1232 | */ | |
1233 | private void closeAllWindows() { | |
1234 | // Don't do anything if we are in the menu | |
1235 | if (activeMenu != null) { | |
1236 | return; | |
1237 | } | |
1238 | for (TWindow window: windows) { | |
1239 | closeWindow(window); | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | /** | |
1244 | * Re-layout the open windows as non-overlapping tiles. This produces | |
1245 | * almost the same results as Turbo Pascal 7.0's IDE. | |
1246 | */ | |
1247 | private void tileWindows() { | |
1248 | // Don't do anything if we are in the menu | |
1249 | if (activeMenu != null) { | |
1250 | return; | |
1251 | } | |
1252 | int z = windows.size(); | |
1253 | if (z == 0) { | |
1254 | return; | |
1255 | } | |
1256 | int a = 0; | |
1257 | int b = 0; | |
1258 | a = (int)(Math.sqrt(z)); | |
1259 | int c = 0; | |
1260 | while (c < a) { | |
1261 | b = (z - c) / a; | |
1262 | if (((a * b) + c) == z) { | |
1263 | break; | |
1264 | } | |
1265 | c++; | |
1266 | } | |
1267 | assert (a > 0); | |
1268 | assert (b > 0); | |
1269 | assert (c < a); | |
1270 | int newWidth = (getScreen().getWidth() / a); | |
1271 | int newHeight1 = ((getScreen().getHeight() - 1) / b); | |
1272 | int newHeight2 = ((getScreen().getHeight() - 1) / (b + c)); | |
1273 | // System.err.printf("Z %s a %s b %s c %s newWidth %s newHeight1 %s newHeight2 %s", | |
1274 | // z, a, b, c, newWidth, newHeight1, newHeight2); | |
1275 | ||
1276 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1277 | Collections.sort(sorted); | |
1278 | Collections.reverse(sorted); | |
1279 | for (int i = 0; i < sorted.size(); i++) { | |
1280 | int logicalX = i / b; | |
1281 | int logicalY = i % b; | |
1282 | if (i >= ((a - 1) * b)) { | |
1283 | logicalX = a - 1; | |
1284 | logicalY = i - ((a - 1) * b); | |
1285 | } | |
1286 | ||
1287 | TWindow w = sorted.get(i); | |
1288 | w.setX(logicalX * newWidth); | |
1289 | w.setWidth(newWidth); | |
1290 | if (i >= ((a - 1) * b)) { | |
1291 | w.setY((logicalY * newHeight2) + 1); | |
1292 | w.setHeight(newHeight2); | |
1293 | } else { | |
1294 | w.setY((logicalY * newHeight1) + 1); | |
1295 | w.setHeight(newHeight1); | |
1296 | } | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | /** | |
1301 | * Re-layout the open windows as overlapping cascaded windows. | |
1302 | */ | |
1303 | private void cascadeWindows() { | |
1304 | // Don't do anything if we are in the menu | |
1305 | if (activeMenu != null) { | |
1306 | return; | |
1307 | } | |
1308 | int x = 0; | |
1309 | int y = 1; | |
1310 | List<TWindow> sorted = new LinkedList<TWindow>(windows); | |
1311 | Collections.sort(sorted); | |
1312 | Collections.reverse(sorted); | |
1313 | for (TWindow w: sorted) { | |
1314 | w.setX(x); | |
1315 | w.setY(y); | |
1316 | x++; | |
1317 | y++; | |
1318 | if (x > getScreen().getWidth()) { | |
1319 | x = 0; | |
1320 | } | |
1321 | if (y >= getScreen().getHeight()) { | |
1322 | y = 1; | |
1323 | } | |
1324 | } | |
1325 | } | |
1326 | ||
7d4115a5 | 1327 | } |