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1 | /** |
2 | * Jexer - Java Text User Interface | |
3 | * | |
4 | * License: LGPLv3 or later | |
5 | * | |
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. | |
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 | |
27 | * | |
28 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
29 | * @version 1 | |
30 | */ | |
31 | package jexer; | |
32 | ||
33 | import jexer.bits.Cell; | |
34 | import jexer.bits.CellAttributes; | |
35 | import jexer.bits.GraphicsChars; | |
36 | import jexer.event.TCommandEvent; | |
37 | import jexer.event.TKeypressEvent; | |
38 | import jexer.event.TMenuEvent; | |
39 | import jexer.event.TMouseEvent; | |
40 | import jexer.event.TResizeEvent; | |
41 | import jexer.io.Screen; | |
42 | import static jexer.TCommand.*; | |
43 | import static jexer.TKeypress.*; | |
44 | ||
45 | /** | |
46 | * TWindow is the top-level container and drawing surface for other widgets. | |
47 | */ | |
48 | public class TWindow extends TWidget { | |
49 | ||
50 | /** | |
51 | * Window's parent TApplication. | |
52 | */ | |
53 | protected TApplication application; | |
54 | ||
55 | /** | |
56 | * Get this TWindow's parent TApplication. | |
57 | * | |
58 | * @return this TWindow's parent TApplication | |
59 | */ | |
60 | public final TApplication getApplication() { | |
61 | return application; | |
62 | } | |
63 | ||
64 | /** | |
65 | * Get the Screen. | |
66 | * | |
67 | * @return the Screen | |
68 | */ | |
69 | public final Screen getScreen() { | |
70 | return application.getScreen(); | |
71 | } | |
72 | ||
73 | /** | |
74 | * Window title. | |
75 | */ | |
76 | protected String title = ""; | |
77 | ||
78 | /** | |
79 | * Window is resizable (default yes). | |
80 | */ | |
81 | public static final int RESIZABLE = 0x01; | |
82 | ||
83 | /** | |
84 | * Window is modal (default no). | |
85 | */ | |
86 | public static final int MODAL = 0x02; | |
87 | ||
88 | /** | |
89 | * Window is centered (default no). | |
90 | */ | |
91 | public static final int CENTERED = 0x04; | |
92 | ||
93 | /** | |
94 | * Window flags. | |
95 | */ | |
96 | private int flags = RESIZABLE; | |
97 | ||
98 | /** | |
99 | * Z order. Lower number means more in-front. | |
100 | */ | |
101 | private int z = 0; | |
102 | ||
103 | /** | |
104 | * If true, then the user clicked on the title bar and is moving the | |
105 | * window. | |
106 | */ | |
107 | private boolean inWindowMove = false; | |
108 | ||
109 | /** | |
110 | * If true, then the user clicked on the bottom right corner and is | |
111 | * resizing the window. | |
112 | */ | |
113 | private boolean inWindowResize = false; | |
114 | ||
115 | /** | |
116 | * If true, then the user selected "Size/Move" (or hit Ctrl-F5) and is | |
117 | * resizing/moving the window via the keyboard. | |
118 | */ | |
119 | private boolean inKeyboardResize = false; | |
120 | ||
121 | /** | |
122 | * If true, this window is maximized. | |
123 | */ | |
124 | private boolean maximized = false; | |
125 | ||
126 | /** | |
127 | * Remember mouse state. | |
128 | */ | |
129 | protected TMouseEvent mouse; | |
130 | ||
131 | // For moving the window. resizing also uses moveWindowMouseX/Y | |
132 | private int moveWindowMouseX; | |
133 | private int moveWindowMouseY; | |
134 | private int oldWindowX; | |
135 | private int oldWindowY; | |
136 | ||
137 | // Resizing | |
138 | private int resizeWindowWidth; | |
139 | private int resizeWindowHeight; | |
140 | private int minimumWindowWidth = 10; | |
141 | private int minimumWindowHeight = 2; | |
142 | private int maximumWindowWidth = -1; | |
143 | private int maximumWindowHeight = -1; | |
144 | ||
145 | // For maximize/restore | |
146 | private int restoreWindowWidth; | |
147 | private int restoreWindowHeight; | |
148 | private int restoreWindowX; | |
149 | private int restoreWindowY; | |
150 | ||
151 | /** | |
152 | * Public constructor. Window will be located at (0, 0). | |
153 | * | |
154 | * @param application TApplication that manages this window | |
155 | * @param title window title, will be centered along the top border | |
156 | * @param width width of window | |
157 | * @param height height of window | |
158 | */ | |
159 | public TWindow(final TApplication application, final String title, | |
160 | final int width, final int height) { | |
161 | ||
162 | this(application, title, 0, 0, width, height, RESIZABLE); | |
163 | } | |
164 | ||
165 | /** | |
166 | * Public constructor. Window will be located at (0, 0). | |
167 | * | |
168 | * @param application TApplication that manages this window | |
169 | * @param title window title, will be centered along the top border | |
170 | * @param width width of window | |
171 | * @param height height of window | |
172 | * @param flags bitmask of RESIZABLE, CENTERED, or MODAL | |
173 | */ | |
174 | public TWindow(final TApplication application, final String title, | |
175 | final int width, final int height, final int flags) { | |
176 | ||
177 | this(application, title, 0, 0, width, height, flags); | |
178 | } | |
179 | ||
180 | /** | |
181 | * Public constructor. | |
182 | * | |
183 | * @param application TApplication that manages this window | |
184 | * @param title window title, will be centered along the top border | |
185 | * @param x column relative to parent | |
186 | * @param y row relative to parent | |
187 | * @param width width of window | |
188 | * @param height height of window | |
189 | */ | |
190 | public TWindow(final TApplication application, final String title, | |
191 | final int x, final int y, final int width, final int height) { | |
192 | ||
193 | this(application, title, x, y, width, height, RESIZABLE); | |
194 | } | |
195 | ||
196 | /** | |
197 | * Public constructor. | |
198 | * | |
199 | * @param application TApplication that manages this window | |
200 | * @param title window title, will be centered along the top border | |
201 | * @param x column relative to parent | |
202 | * @param y row relative to parent | |
203 | * @param width width of window | |
204 | * @param height height of window | |
205 | * @param flags mask of RESIZABLE, CENTERED, or MODAL | |
206 | */ | |
207 | public TWindow(final TApplication application, final String title, | |
208 | final int x, final int y, final int width, final int height, | |
209 | final int flags) { | |
210 | ||
211 | // I am my own window and parent | |
212 | this.parent = this; | |
213 | this.window = this; | |
214 | ||
215 | // Save fields | |
216 | this.title = title; | |
217 | this.application = application; | |
218 | this.x = x; | |
219 | this.y = y + application.getDesktopTop(); | |
220 | this.width = width; | |
221 | this.height = height; | |
222 | this.flags = flags; | |
223 | ||
224 | // Minimum width/height are 10 and 2 | |
225 | assert (width >= 10); | |
226 | assert (height >= 2); | |
227 | ||
228 | // MODAL implies CENTERED | |
229 | if (isModal()) { | |
230 | this.flags |= CENTERED; | |
231 | } | |
232 | ||
233 | // Center window if specified | |
234 | center(); | |
235 | ||
236 | // Add me to the application | |
237 | application.addWindow(this); | |
238 | } | |
239 | ||
240 | /** | |
241 | * Recenter the window on-screen. | |
242 | */ | |
243 | public final void center() { | |
244 | if ((flags & CENTERED) != 0) { | |
245 | if (width < getScreen().getWidth()) { | |
246 | x = (getScreen().getWidth() - width) / 2; | |
247 | } else { | |
248 | x = 0; | |
249 | } | |
250 | y = (application.getDesktopBottom() - application.getDesktopTop()); | |
251 | y -= height; | |
252 | y /= 2; | |
253 | if (y < 0) { | |
254 | y = 0; | |
255 | } | |
256 | y += application.getDesktopTop(); | |
257 | } | |
258 | } | |
259 | ||
260 | /** | |
261 | * Returns true if this window is modal. | |
262 | * | |
263 | * @return true if this window is modal | |
264 | */ | |
265 | public final boolean isModal() { | |
266 | if ((flags & MODAL) == 0) { | |
267 | return false; | |
268 | } | |
269 | return true; | |
270 | } | |
271 | ||
272 | /** | |
273 | * Comparison operator sorts on z. | |
274 | * | |
275 | * @param that another TWindow instance | |
276 | * @return difference between this.z and that.z | |
277 | */ | |
278 | public final int compare(final TWindow that) { | |
279 | return (z - that.z); | |
280 | } | |
281 | ||
282 | /** | |
283 | * Returns true if the mouse is currently on the close button. | |
284 | * | |
285 | * @return true if mouse is currently on the close button | |
286 | */ | |
287 | private boolean mouseOnClose() { | |
288 | if ((mouse != null) | |
289 | && (mouse.getAbsoluteY() == y) | |
290 | && (mouse.getAbsoluteX() == x + 3) | |
291 | ) { | |
292 | return true; | |
293 | } | |
294 | return false; | |
295 | } | |
296 | ||
297 | /** | |
298 | * Returns true if the mouse is currently on the maximize/restore button. | |
299 | * | |
300 | * @return true if the mouse is currently on the maximize/restore button | |
301 | */ | |
302 | private boolean mouseOnMaximize() { | |
303 | if ((mouse != null) | |
304 | && !isModal() | |
305 | && (mouse.getAbsoluteY() == y) | |
306 | && (mouse.getAbsoluteX() == x + width - 4) | |
307 | ) { | |
308 | return true; | |
309 | } | |
310 | return false; | |
311 | } | |
312 | ||
313 | /** | |
314 | * Returns true if the mouse is currently on the resizable lower right | |
315 | * corner. | |
316 | * | |
317 | * @return true if the mouse is currently on the resizable lower right | |
318 | * corner | |
319 | */ | |
320 | private boolean mouseOnResize() { | |
321 | if (((flags & RESIZABLE) != 0) | |
322 | && !isModal() | |
323 | && (mouse != null) | |
324 | && (mouse.getAbsoluteY() == y + height - 1) | |
325 | && ((mouse.getAbsoluteX() == x + width - 1) | |
326 | || (mouse.getAbsoluteX() == x + width - 2)) | |
327 | ) { | |
328 | return true; | |
329 | } | |
330 | return false; | |
331 | } | |
332 | ||
333 | /** | |
334 | * Retrieve the background color. | |
335 | * | |
336 | * @return the background color | |
337 | */ | |
338 | protected final CellAttributes getBackground() { | |
339 | if (!isModal() | |
340 | && (inWindowMove || inWindowResize || inKeyboardResize) | |
341 | ) { | |
342 | assert (active); | |
343 | return application.getTheme().getColor("twindow.background.windowmove"); | |
344 | } else if (isModal() && inWindowMove) { | |
345 | assert (active); | |
346 | return application.getTheme().getColor("twindow.background.modal"); | |
347 | } else if (isModal()) { | |
348 | if (active) { | |
349 | return application.getTheme().getColor("twindow.background.modal"); | |
350 | } | |
351 | return application.getTheme().getColor("twindow.background.modal.inactive"); | |
352 | } else if (active) { | |
353 | assert (!isModal()); | |
354 | return application.getTheme().getColor("twindow.background"); | |
355 | } else { | |
356 | assert (!isModal()); | |
357 | return application.getTheme().getColor("twindow.background.inactive"); | |
358 | } | |
359 | } | |
360 | ||
361 | /** | |
362 | * Retrieve the border color. | |
363 | * | |
364 | * @return the border color | |
365 | */ | |
366 | protected final CellAttributes getBorder() { | |
367 | if (!isModal() | |
368 | && (inWindowMove || inWindowResize || inKeyboardResize) | |
369 | ) { | |
370 | assert (active); | |
371 | return application.getTheme().getColor("twindow.border.windowmove"); | |
372 | } else if (isModal() && inWindowMove) { | |
373 | assert (active); | |
374 | return application.getTheme().getColor("twindow.border.modal.windowmove"); | |
375 | } else if (isModal()) { | |
376 | if (active) { | |
377 | return application.getTheme().getColor("twindow.border.modal"); | |
378 | } else { | |
379 | return application.getTheme().getColor("twindow.border.modal.inactive"); | |
380 | } | |
381 | } else if (active) { | |
382 | assert (!isModal()); | |
383 | return application.getTheme().getColor("twindow.border"); | |
384 | } else { | |
385 | assert (!isModal()); | |
386 | return application.getTheme().getColor("twindow.border.inactive"); | |
387 | } | |
388 | } | |
389 | ||
390 | /** | |
391 | * Retrieve the border line type. | |
392 | * | |
393 | * @return the border line type | |
394 | */ | |
395 | protected final int getBorderType() { | |
396 | if (!isModal() | |
397 | && (inWindowMove || inWindowResize || inKeyboardResize) | |
398 | ) { | |
399 | assert (active); | |
400 | return 1; | |
401 | } else if (isModal() && inWindowMove) { | |
402 | assert (active); | |
403 | return 1; | |
404 | } else if (isModal()) { | |
405 | if (active) { | |
406 | return 2; | |
407 | } else { | |
408 | return 1; | |
409 | } | |
410 | } else if (active) { | |
411 | return 2; | |
412 | } else { | |
413 | return 1; | |
414 | } | |
415 | } | |
416 | ||
417 | /** | |
418 | * Subclasses should override this method to cleanup resources. This is | |
419 | * called by application.closeWindow(). | |
420 | */ | |
421 | public void onClose() { | |
422 | // Default: do nothing | |
423 | } | |
424 | ||
425 | /** | |
426 | * Called by TApplication.drawChildren() to render on screen. | |
427 | */ | |
428 | @Override | |
429 | public void draw() { | |
430 | // Draw the box and background first. | |
431 | CellAttributes border = getBorder(); | |
432 | CellAttributes background = getBackground(); | |
433 | int borderType = getBorderType(); | |
434 | ||
435 | getScreen().drawBox(0, 0, width, height, border, | |
436 | background, borderType, true); | |
437 | ||
438 | // Draw the title | |
439 | int titleLeft = (width - title.length() - 2) / 2; | |
440 | putCharXY(titleLeft, 0, ' ', border); | |
441 | putStrXY(titleLeft + 1, 0, title); | |
442 | putCharXY(titleLeft + title.length() + 1, 0, ' ', border); | |
443 | ||
444 | if (active) { | |
445 | ||
446 | // Draw the close button | |
447 | putCharXY(2, 0, '[', border); | |
448 | putCharXY(4, 0, ']', border); | |
449 | if (mouseOnClose() && mouse.getMouse1()) { | |
450 | putCharXY(3, 0, GraphicsChars.CP437[0x0F], | |
451 | !isModal() | |
452 | ? application.getTheme().getColor("twindow.border.windowmove") | |
453 | : application.getTheme().getColor("twindow.border.modal.windowmove")); | |
454 | } else { | |
455 | putCharXY(3, 0, GraphicsChars.CP437[0xFE], | |
456 | !isModal() | |
457 | ? application.getTheme().getColor("twindow.border.windowmove") | |
458 | : application.getTheme().getColor("twindow.border.modal.windowmove")); | |
459 | } | |
460 | ||
461 | // Draw the maximize button | |
462 | if (!isModal()) { | |
463 | ||
464 | putCharXY(width - 5, 0, '[', border); | |
465 | putCharXY(width - 3, 0, ']', border); | |
466 | if (mouseOnMaximize() && mouse.getMouse1()) { | |
467 | putCharXY(width - 4, 0, GraphicsChars.CP437[0x0F], | |
468 | application.getTheme().getColor("twindow.border.windowmove")); | |
469 | } else { | |
470 | if (maximized) { | |
471 | putCharXY(width - 4, 0, GraphicsChars.CP437[0x12], | |
472 | application.getTheme().getColor("twindow.border.windowmove")); | |
473 | } else { | |
474 | putCharXY(width - 4, 0, GraphicsChars.UPARROW, | |
475 | application.getTheme().getColor("twindow.border.windowmove")); | |
476 | } | |
477 | } | |
478 | ||
479 | // Draw the resize corner | |
480 | if ((flags & RESIZABLE) != 0) { | |
481 | putCharXY(width - 2, height - 1, GraphicsChars.SINGLE_BAR, | |
482 | application.getTheme().getColor("twindow.border.windowmove")); | |
483 | putCharXY(width - 1, height - 1, GraphicsChars.LRCORNER, | |
484 | application.getTheme().getColor("twindow.border.windowmove")); | |
485 | } | |
486 | } | |
487 | } | |
488 | } | |
489 | ||
490 | /** | |
491 | * Handle mouse button presses. | |
492 | * | |
493 | * @param mouse mouse button event | |
494 | */ | |
495 | @Override | |
496 | public void onMouseDown(final TMouseEvent mouse) { | |
497 | this.mouse = mouse; | |
498 | application.setRepaint(); | |
499 | ||
500 | inKeyboardResize = false; | |
501 | ||
502 | if ((mouse.getAbsoluteY() == y) | |
503 | && mouse.getMouse1() | |
504 | && (x <= mouse.getAbsoluteX()) | |
505 | && (mouse.getAbsoluteX() < x + width) | |
506 | && !mouseOnClose() | |
507 | && !mouseOnMaximize() | |
508 | ) { | |
509 | // Begin moving window | |
510 | inWindowMove = true; | |
511 | moveWindowMouseX = mouse.getAbsoluteX(); | |
512 | moveWindowMouseY = mouse.getAbsoluteY(); | |
513 | oldWindowX = x; | |
514 | oldWindowY = y; | |
515 | if (maximized) { | |
516 | maximized = false; | |
517 | } | |
518 | return; | |
519 | } | |
520 | if (mouseOnResize()) { | |
521 | // Begin window resize | |
522 | inWindowResize = true; | |
523 | moveWindowMouseX = mouse.getAbsoluteX(); | |
524 | moveWindowMouseY = mouse.getAbsoluteY(); | |
525 | resizeWindowWidth = width; | |
526 | resizeWindowHeight = height; | |
527 | if (maximized) { | |
528 | maximized = false; | |
529 | } | |
530 | return; | |
531 | } | |
532 | ||
533 | // I didn't take it, pass it on to my children | |
534 | super.onMouseDown(mouse); | |
535 | } | |
536 | ||
537 | /** | |
538 | * Maximize window. | |
539 | */ | |
540 | private void maximize() { | |
541 | restoreWindowWidth = width; | |
542 | restoreWindowHeight = height; | |
543 | restoreWindowX = x; | |
544 | restoreWindowY = y; | |
545 | width = getScreen().getWidth(); | |
546 | height = application.getDesktopBottom() - 1; | |
547 | x = 0; | |
548 | y = 1; | |
549 | maximized = true; | |
550 | } | |
551 | ||
552 | /** | |
553 | * Restote (unmaximize) window. | |
554 | */ | |
555 | private void restore() { | |
556 | width = restoreWindowWidth; | |
557 | height = restoreWindowHeight; | |
558 | x = restoreWindowX; | |
559 | y = restoreWindowY; | |
560 | maximized = false; | |
561 | } | |
562 | ||
563 | /** | |
564 | * Handle mouse button releases. | |
565 | * | |
566 | * @param mouse mouse button release event | |
567 | */ | |
568 | @Override | |
569 | public void onMouseUp(final TMouseEvent mouse) { | |
570 | this.mouse = mouse; | |
571 | application.setRepaint(); | |
572 | ||
573 | if ((inWindowMove) && (mouse.getMouse1())) { | |
574 | // Stop moving window | |
575 | inWindowMove = false; | |
576 | return; | |
577 | } | |
578 | ||
579 | if ((inWindowResize) && (mouse.getMouse1())) { | |
580 | // Stop resizing window | |
581 | inWindowResize = false; | |
582 | return; | |
583 | } | |
584 | ||
585 | if (mouse.getMouse1() && mouseOnClose()) { | |
586 | // Close window | |
587 | application.closeWindow(this); | |
588 | return; | |
589 | } | |
590 | ||
591 | if ((mouse.getAbsoluteY() == y) && mouse.getMouse1() | |
592 | && mouseOnMaximize()) { | |
593 | if (maximized) { | |
594 | // Restore | |
595 | restore(); | |
596 | } else { | |
597 | // Maximize | |
598 | maximize(); | |
599 | } | |
600 | // Pass a resize event to my children | |
601 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, width, height)); | |
602 | return; | |
603 | } | |
604 | ||
605 | // I didn't take it, pass it on to my children | |
606 | super.onMouseUp(mouse); | |
607 | } | |
608 | ||
609 | /** | |
610 | * Handle mouse movements. | |
611 | * | |
612 | * @param mouse mouse motion event | |
613 | */ | |
614 | @Override | |
615 | public void onMouseMotion(final TMouseEvent mouse) { | |
616 | this.mouse = mouse; | |
617 | application.setRepaint(); | |
618 | ||
619 | if (inWindowMove) { | |
620 | // Move window over | |
621 | x = oldWindowX + (mouse.getAbsoluteX() - moveWindowMouseX); | |
622 | y = oldWindowY + (mouse.getAbsoluteY() - moveWindowMouseY); | |
623 | // Don't cover up the menu bar | |
624 | if (y < application.getDesktopTop()) { | |
625 | y = application.getDesktopTop(); | |
626 | } | |
627 | return; | |
628 | } | |
629 | ||
630 | if (inWindowResize) { | |
631 | // Move window over | |
632 | width = resizeWindowWidth + (mouse.getAbsoluteX() - moveWindowMouseX); | |
633 | height = resizeWindowHeight + (mouse.getAbsoluteY() - moveWindowMouseY); | |
634 | if (x + width > getScreen().getWidth()) { | |
635 | width = getScreen().getWidth() - x; | |
636 | } | |
637 | if (y + height > application.getDesktopBottom()) { | |
638 | y = application.getDesktopBottom() - height + 1; | |
639 | } | |
640 | // Don't cover up the menu bar | |
641 | if (y < application.getDesktopTop()) { | |
642 | y = application.getDesktopTop(); | |
643 | } | |
644 | ||
645 | // Keep within min/max bounds | |
646 | if (width < minimumWindowWidth) { | |
647 | width = minimumWindowWidth; | |
648 | inWindowResize = false; | |
649 | } | |
650 | if (height < minimumWindowHeight) { | |
651 | height = minimumWindowHeight; | |
652 | inWindowResize = false; | |
653 | } | |
654 | if ((maximumWindowWidth > 0) && (width > maximumWindowWidth)) { | |
655 | width = maximumWindowWidth; | |
656 | inWindowResize = false; | |
657 | } | |
658 | if ((maximumWindowHeight > 0) && (height > maximumWindowHeight)) { | |
659 | height = maximumWindowHeight; | |
660 | inWindowResize = false; | |
661 | } | |
662 | ||
663 | // Pass a resize event to my children | |
664 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, width, height)); | |
665 | return; | |
666 | } | |
667 | ||
668 | // I didn't take it, pass it on to my children | |
669 | super.onMouseMotion(mouse); | |
670 | } | |
671 | ||
672 | /** | |
673 | * Handle keystrokes. | |
674 | * | |
675 | * @param keypress keystroke event | |
676 | */ | |
677 | @Override | |
678 | public void onKeypress(final TKeypressEvent keypress) { | |
679 | ||
680 | if (inKeyboardResize) { | |
681 | ||
682 | // ESC - Exit size/move | |
683 | if (keypress.equals(kbEsc)) { | |
684 | inKeyboardResize = false; | |
685 | } | |
686 | ||
687 | if (keypress.equals(kbLeft)) { | |
688 | if (x > 0) { | |
689 | x--; | |
690 | } | |
691 | } | |
692 | if (keypress.equals(kbRight)) { | |
693 | if (x < getScreen().getWidth() - 1) { | |
694 | x++; | |
695 | } | |
696 | } | |
697 | if (keypress.equals(kbDown)) { | |
698 | if (y < application.getDesktopBottom() - 1) { | |
699 | y++; | |
700 | } | |
701 | } | |
702 | if (keypress.equals(kbUp)) { | |
703 | if (y > 1) { | |
704 | y--; | |
705 | } | |
706 | } | |
707 | if (keypress.equals(kbShiftLeft)) { | |
708 | if (width > minimumWindowWidth) { | |
709 | width--; | |
710 | } | |
711 | } | |
712 | if (keypress.equals(kbShiftRight)) { | |
713 | if (width < maximumWindowWidth) { | |
714 | width++; | |
715 | } | |
716 | } | |
717 | if (keypress.equals(kbShiftUp)) { | |
718 | if (height > minimumWindowHeight) { | |
719 | height--; | |
720 | } | |
721 | } | |
722 | if (keypress.equals(kbShiftDown)) { | |
723 | if (height < maximumWindowHeight) { | |
724 | height++; | |
725 | } | |
726 | } | |
727 | ||
728 | return; | |
729 | } | |
730 | ||
731 | // These keystrokes will typically not be seen unless a subclass | |
732 | // overrides onMenu() due to how TApplication dispatches | |
733 | // accelerators. | |
734 | ||
735 | // Ctrl-W - close window | |
736 | if (keypress.equals(kbCtrlW)) { | |
737 | application.closeWindow(this); | |
738 | return; | |
739 | } | |
740 | ||
741 | // F6 - behave like Alt-TAB | |
742 | if (keypress.equals(kbF6)) { | |
743 | application.switchWindow(true); | |
744 | return; | |
745 | } | |
746 | ||
747 | // Shift-F6 - behave like Shift-Alt-TAB | |
748 | if (keypress.equals(kbShiftF6)) { | |
749 | application.switchWindow(false); | |
750 | return; | |
751 | } | |
752 | ||
753 | // F5 - zoom | |
754 | if (keypress.equals(kbF5)) { | |
755 | if (maximized) { | |
756 | restore(); | |
757 | } else { | |
758 | maximize(); | |
759 | } | |
760 | } | |
761 | ||
762 | // Ctrl-F5 - size/move | |
763 | if (keypress.equals(kbCtrlF5)) { | |
764 | inKeyboardResize = !inKeyboardResize; | |
765 | } | |
766 | ||
767 | // I didn't take it, pass it on to my children | |
768 | super.onKeypress(keypress); | |
769 | } | |
770 | ||
771 | /** | |
772 | * Handle posted command events. | |
773 | * | |
774 | * @param command command event | |
775 | */ | |
776 | @Override | |
777 | public void onCommand(final TCommandEvent command) { | |
778 | ||
779 | // These commands will typically not be seen unless a subclass | |
780 | // overrides onMenu() due to how TApplication dispatches | |
781 | // accelerators. | |
782 | ||
783 | if (command.equals(cmWindowClose)) { | |
784 | application.closeWindow(this); | |
785 | return; | |
786 | } | |
787 | ||
788 | if (command.equals(cmWindowNext)) { | |
789 | application.switchWindow(true); | |
790 | return; | |
791 | } | |
792 | ||
793 | if (command.equals(cmWindowPrevious)) { | |
794 | application.switchWindow(false); | |
795 | return; | |
796 | } | |
797 | ||
798 | if (command.equals(cmWindowMove)) { | |
799 | inKeyboardResize = true; | |
800 | return; | |
801 | } | |
802 | ||
803 | if (command.equals(cmWindowZoom)) { | |
804 | if (maximized) { | |
805 | restore(); | |
806 | } else { | |
807 | maximize(); | |
808 | } | |
809 | } | |
810 | ||
811 | // I didn't take it, pass it on to my children | |
812 | super.onCommand(command); | |
813 | } | |
814 | ||
815 | /** | |
816 | * Handle posted menu events. | |
817 | * | |
818 | * @param menu menu event | |
819 | */ | |
820 | @Override | |
821 | public void onMenu(final TMenuEvent menu) { | |
822 | if (menu.getId() == TMenu.MID_WINDOW_CLOSE) { | |
823 | application.closeWindow(this); | |
824 | return; | |
825 | } | |
826 | ||
827 | if (menu.getId() == TMenu.MID_WINDOW_NEXT) { | |
828 | application.switchWindow(true); | |
829 | return; | |
830 | } | |
831 | ||
832 | if (menu.getId() == TMenu.MID_WINDOW_PREVIOUS) { | |
833 | application.switchWindow(false); | |
834 | return; | |
835 | } | |
836 | ||
837 | if (menu.getId() == TMenu.MID_WINDOW_MOVE) { | |
838 | inKeyboardResize = true; | |
839 | return; | |
840 | } | |
841 | ||
842 | if (menu.getId() == TMenu.MID_WINDOW_ZOOM) { | |
843 | if (maximized) { | |
844 | restore(); | |
845 | } else { | |
846 | maximize(); | |
847 | } | |
848 | return; | |
849 | } | |
850 | ||
851 | // I didn't take it, pass it on to my children | |
852 | super.onMenu(menu); | |
853 | } | |
854 | ||
855 | // ------------------------------------------------------------------------ | |
856 | // Passthru for Screen functions ------------------------------------------ | |
857 | // ------------------------------------------------------------------------ | |
858 | ||
859 | /** | |
860 | * Get the attributes at one location. | |
861 | * | |
862 | * @param x column coordinate. 0 is the left-most column. | |
863 | * @param y row coordinate. 0 is the top-most row. | |
864 | * @return attributes at (x, y) | |
865 | */ | |
866 | public final CellAttributes getAttrXY(final int x, final int y) { | |
867 | return getScreen().getAttrXY(x, y); | |
868 | } | |
869 | ||
870 | /** | |
871 | * Set the attributes at one location. | |
872 | * | |
873 | * @param x column coordinate. 0 is the left-most column. | |
874 | * @param y row coordinate. 0 is the top-most row. | |
875 | * @param attr attributes to use (bold, foreColor, backColor) | |
876 | */ | |
877 | public final void putAttrXY(final int x, final int y, | |
878 | final CellAttributes attr) { | |
879 | ||
880 | getScreen().putAttrXY(x, y, attr); | |
881 | } | |
882 | ||
883 | /** | |
884 | * Set the attributes at one location. | |
885 | * | |
886 | * @param x column coordinate. 0 is the left-most column. | |
887 | * @param y row coordinate. 0 is the top-most row. | |
888 | * @param attr attributes to use (bold, foreColor, backColor) | |
889 | * @param clip if true, honor clipping/offset | |
890 | */ | |
891 | public final void putAttrXY(final int x, final int y, | |
892 | final CellAttributes attr, final boolean clip) { | |
893 | ||
894 | getScreen().putAttrXY(x, y, attr, clip); | |
895 | } | |
896 | ||
897 | /** | |
898 | * Fill the entire screen with one character with attributes. | |
899 | * | |
900 | * @param ch character to draw | |
901 | * @param attr attributes to use (bold, foreColor, backColor) | |
902 | */ | |
903 | public final void putAll(final char ch, final CellAttributes attr) { | |
904 | getScreen().putAll(ch, attr); | |
905 | } | |
906 | ||
907 | /** | |
908 | * Render one character with attributes. | |
909 | * | |
910 | * @param x column coordinate. 0 is the left-most column. | |
911 | * @param y row coordinate. 0 is the top-most row. | |
912 | * @param ch character + attributes to draw | |
913 | */ | |
914 | public final void putCharXY(final int x, final int y, final Cell ch) { | |
915 | getScreen().putCharXY(x, y, ch); | |
916 | } | |
917 | ||
918 | /** | |
919 | * Render one character with attributes. | |
920 | * | |
921 | * @param x column coordinate. 0 is the left-most column. | |
922 | * @param y row coordinate. 0 is the top-most row. | |
923 | * @param ch character to draw | |
924 | * @param attr attributes to use (bold, foreColor, backColor) | |
925 | */ | |
926 | public final void putCharXY(final int x, final int y, final char ch, | |
927 | final CellAttributes attr) { | |
928 | ||
929 | getScreen().putCharXY(x, y, ch, attr); | |
930 | } | |
931 | ||
932 | /** | |
933 | * Render one character without changing the underlying attributes. | |
934 | * | |
935 | * @param x column coordinate. 0 is the left-most column. | |
936 | * @param y row coordinate. 0 is the top-most row. | |
937 | * @param ch character to draw | |
938 | */ | |
939 | public final void putCharXY(final int x, final int y, final char ch) { | |
940 | getScreen().putCharXY(x, y, ch); | |
941 | } | |
942 | ||
943 | /** | |
944 | * Render a string. Does not wrap if the string exceeds the line. | |
945 | * | |
946 | * @param x column coordinate. 0 is the left-most column. | |
947 | * @param y row coordinate. 0 is the top-most row. | |
948 | * @param str string to draw | |
949 | * @param attr attributes to use (bold, foreColor, backColor) | |
950 | */ | |
951 | public final void putStrXY(final int x, final int y, final String str, | |
952 | final CellAttributes attr) { | |
953 | ||
954 | getScreen().putStrXY(x, y, str, attr); | |
955 | } | |
956 | ||
957 | /** | |
958 | * Render a string without changing the underlying attribute. Does not | |
959 | * wrap if the string exceeds the line. | |
960 | * | |
961 | * @param x column coordinate. 0 is the left-most column. | |
962 | * @param y row coordinate. 0 is the top-most row. | |
963 | * @param str string to draw | |
964 | */ | |
965 | public final void putStrXY(final int x, final int y, final String str) { | |
966 | getScreen().putStrXY(x, y, str); | |
967 | } | |
968 | ||
969 | /** | |
970 | * Draw a vertical line from (x, y) to (x, y + n). | |
971 | * | |
972 | * @param x column coordinate. 0 is the left-most column. | |
973 | * @param y row coordinate. 0 is the top-most row. | |
974 | * @param n number of characters to draw | |
975 | * @param ch character to draw | |
976 | * @param attr attributes to use (bold, foreColor, backColor) | |
977 | */ | |
978 | public final void vLineXY(final int x, final int y, final int n, | |
979 | final char ch, final CellAttributes attr) { | |
980 | ||
981 | getScreen().vLineXY(x, y, n, ch, attr); | |
982 | } | |
983 | ||
984 | /** | |
985 | * Draw a horizontal line from (x, y) to (x + n, y). | |
986 | * | |
987 | * @param x column coordinate. 0 is the left-most column. | |
988 | * @param y row coordinate. 0 is the top-most row. | |
989 | * @param n number of characters to draw | |
990 | * @param ch character to draw | |
991 | * @param attr attributes to use (bold, foreColor, backColor) | |
992 | */ | |
993 | public final void hLineXY(final int x, final int y, final int n, | |
994 | final char ch, final CellAttributes attr) { | |
995 | ||
996 | getScreen().hLineXY(x, y, n, ch, attr); | |
997 | } | |
998 | ||
999 | ||
1000 | } |