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1 | /* |
2 | * Jexer - Java Text User Interface | |
3 | * | |
4 | * The MIT License (MIT) | |
5 | * | |
6 | * Copyright (C) 2017 Kevin Lamonte | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the "Software"), | |
10 | * to deal in the Software without restriction, including without limitation | |
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
12 | * and/or sell copies of the Software, and to permit persons to whom the | |
13 | * Software is furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
24 | * DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
28 | */ | |
29 | package jexer.backend; | |
30 | ||
31 | import java.util.LinkedList; | |
32 | import java.util.List; | |
33 | ||
34 | import jexer.bits.Cell; | |
35 | import jexer.bits.CellAttributes; | |
36 | ||
37 | /** | |
38 | * MultiScreen mirrors its I/O to several screens. | |
39 | */ | |
40 | public class MultiScreen implements Screen { | |
41 | ||
42 | /** | |
43 | * The list of screens to use. | |
44 | */ | |
45 | private List<Screen> screens = new LinkedList<Screen>(); | |
46 | ||
47 | /** | |
48 | * Public constructor requires one screen. | |
49 | * | |
50 | * @param screen the screen to add | |
51 | */ | |
52 | public MultiScreen(final Screen screen) { | |
53 | screens.add(screen); | |
54 | } | |
55 | ||
56 | /** | |
57 | * Add a screen to the list. | |
58 | * | |
59 | * @param screen the screen to add | |
60 | */ | |
61 | public void addScreen(final Screen screen) { | |
62 | screens.add(screen); | |
63 | } | |
64 | ||
65 | /** | |
66 | * Remove a screen from the list. | |
67 | * | |
68 | * @param screen the screen to remove | |
69 | */ | |
70 | public void removeScreen(final Screen screen) { | |
71 | if (screens.size() > 1) { | |
72 | screens.remove(screen); | |
73 | } | |
74 | } | |
75 | ||
76 | /** | |
77 | * Set drawing offset for x. | |
78 | * | |
79 | * @param offsetX new drawing offset | |
80 | */ | |
81 | public void setOffsetX(final int offsetX) { | |
82 | for (Screen screen: screens) { | |
83 | screen.setOffsetX(offsetX); | |
84 | } | |
85 | } | |
86 | ||
87 | /** | |
88 | * Set drawing offset for y. | |
89 | * | |
90 | * @param offsetY new drawing offset | |
91 | */ | |
92 | public void setOffsetY(final int offsetY) { | |
93 | for (Screen screen: screens) { | |
94 | screen.setOffsetY(offsetY); | |
95 | } | |
96 | } | |
97 | ||
98 | /** | |
99 | * Get right drawing clipping boundary. | |
100 | * | |
101 | * @return drawing boundary | |
102 | */ | |
103 | public int getClipRight() { | |
104 | return screens.get(0).getClipRight(); | |
105 | } | |
106 | ||
107 | /** | |
108 | * Set right drawing clipping boundary. | |
109 | * | |
110 | * @param clipRight new boundary | |
111 | */ | |
112 | public void setClipRight(final int clipRight) { | |
113 | for (Screen screen: screens) { | |
114 | screen.setClipRight(clipRight); | |
115 | } | |
116 | } | |
117 | ||
118 | /** | |
119 | * Get bottom drawing clipping boundary. | |
120 | * | |
121 | * @return drawing boundary | |
122 | */ | |
123 | public int getClipBottom() { | |
124 | return screens.get(0).getClipBottom(); | |
125 | } | |
126 | ||
127 | /** | |
128 | * Set bottom drawing clipping boundary. | |
129 | * | |
130 | * @param clipBottom new boundary | |
131 | */ | |
132 | public void setClipBottom(final int clipBottom) { | |
133 | for (Screen screen: screens) { | |
134 | screen.setClipBottom(clipBottom); | |
135 | } | |
136 | } | |
137 | ||
138 | /** | |
139 | * Get left drawing clipping boundary. | |
140 | * | |
141 | * @return drawing boundary | |
142 | */ | |
143 | public int getClipLeft() { | |
144 | return screens.get(0).getClipLeft(); | |
145 | } | |
146 | ||
147 | /** | |
148 | * Set left drawing clipping boundary. | |
149 | * | |
150 | * @param clipLeft new boundary | |
151 | */ | |
152 | public void setClipLeft(final int clipLeft) { | |
153 | for (Screen screen: screens) { | |
154 | screen.setClipLeft(clipLeft); | |
155 | } | |
156 | } | |
157 | ||
158 | /** | |
159 | * Get top drawing clipping boundary. | |
160 | * | |
161 | * @return drawing boundary | |
162 | */ | |
163 | public int getClipTop() { | |
164 | return screens.get(0).getClipTop(); | |
165 | } | |
166 | ||
167 | /** | |
168 | * Set top drawing clipping boundary. | |
169 | * | |
170 | * @param clipTop new boundary | |
171 | */ | |
172 | public void setClipTop(final int clipTop) { | |
173 | for (Screen screen: screens) { | |
174 | screen.setClipTop(clipTop); | |
175 | } | |
176 | } | |
177 | ||
178 | /** | |
179 | * Get dirty flag. | |
180 | * | |
181 | * @return if true, the logical screen is not in sync with the physical | |
182 | * screen | |
183 | */ | |
184 | public boolean isDirty() { | |
185 | return screens.get(0).isDirty(); | |
186 | } | |
187 | ||
188 | /** | |
189 | * Get the attributes at one location. | |
190 | * | |
191 | * @param x column coordinate. 0 is the left-most column. | |
192 | * @param y row coordinate. 0 is the top-most row. | |
193 | * @return attributes at (x, y) | |
194 | */ | |
195 | public CellAttributes getAttrXY(final int x, final int y) { | |
196 | return screens.get(0).getAttrXY(x, y); | |
197 | } | |
198 | ||
199 | /** | |
200 | * Set the attributes at one location. | |
201 | * | |
202 | * @param x column coordinate. 0 is the left-most column. | |
203 | * @param y row coordinate. 0 is the top-most row. | |
204 | * @param attr attributes to use (bold, foreColor, backColor) | |
205 | */ | |
206 | public void putAttrXY(final int x, final int y, | |
207 | final CellAttributes attr) { | |
208 | ||
209 | for (Screen screen: screens) { | |
210 | screen.putAttrXY(x, y, attr); | |
211 | } | |
212 | } | |
213 | ||
214 | /** | |
215 | * Set the attributes at one location. | |
216 | * | |
217 | * @param x column coordinate. 0 is the left-most column. | |
218 | * @param y row coordinate. 0 is the top-most row. | |
219 | * @param attr attributes to use (bold, foreColor, backColor) | |
220 | * @param clip if true, honor clipping/offset | |
221 | */ | |
222 | public void putAttrXY(final int x, final int y, | |
223 | final CellAttributes attr, final boolean clip) { | |
224 | ||
225 | for (Screen screen: screens) { | |
226 | screen.putAttrXY(x, y, attr, clip); | |
227 | } | |
228 | } | |
229 | ||
230 | /** | |
231 | * Fill the entire screen with one character with attributes. | |
232 | * | |
233 | * @param ch character to draw | |
234 | * @param attr attributes to use (bold, foreColor, backColor) | |
235 | */ | |
236 | public void putAll(final char ch, final CellAttributes attr) { | |
237 | for (Screen screen: screens) { | |
238 | screen.putAll(ch, attr); | |
239 | } | |
240 | } | |
241 | ||
242 | /** | |
243 | * Render one character with attributes. | |
244 | * | |
245 | * @param x column coordinate. 0 is the left-most column. | |
246 | * @param y row coordinate. 0 is the top-most row. | |
247 | * @param ch character + attributes to draw | |
248 | */ | |
249 | public void putCharXY(final int x, final int y, final Cell ch) { | |
250 | for (Screen screen: screens) { | |
251 | screen.putCharXY(x, y, ch); | |
252 | } | |
253 | } | |
254 | ||
255 | /** | |
256 | * Render one character with attributes. | |
257 | * | |
258 | * @param x column coordinate. 0 is the left-most column. | |
259 | * @param y row coordinate. 0 is the top-most row. | |
260 | * @param ch character to draw | |
261 | * @param attr attributes to use (bold, foreColor, backColor) | |
262 | */ | |
263 | public void putCharXY(final int x, final int y, final char ch, | |
264 | final CellAttributes attr) { | |
265 | ||
266 | for (Screen screen: screens) { | |
267 | screen.putCharXY(x, y, ch, attr); | |
268 | } | |
269 | } | |
270 | ||
271 | /** | |
272 | * Render one character without changing the underlying attributes. | |
273 | * | |
274 | * @param x column coordinate. 0 is the left-most column. | |
275 | * @param y row coordinate. 0 is the top-most row. | |
276 | * @param ch character to draw | |
277 | */ | |
278 | public void putCharXY(final int x, final int y, final char ch) { | |
279 | for (Screen screen: screens) { | |
280 | screen.putCharXY(x, y, ch); | |
281 | } | |
282 | } | |
283 | ||
284 | /** | |
285 | * Render a string. Does not wrap if the string exceeds the line. | |
286 | * | |
287 | * @param x column coordinate. 0 is the left-most column. | |
288 | * @param y row coordinate. 0 is the top-most row. | |
289 | * @param str string to draw | |
290 | * @param attr attributes to use (bold, foreColor, backColor) | |
291 | */ | |
292 | public void putStringXY(final int x, final int y, final String str, | |
293 | final CellAttributes attr) { | |
294 | ||
295 | for (Screen screen: screens) { | |
296 | screen.putStringXY(x, y, str, attr); | |
297 | } | |
298 | } | |
299 | ||
300 | /** | |
301 | * Render a string without changing the underlying attribute. Does not | |
302 | * wrap if the string exceeds the line. | |
303 | * | |
304 | * @param x column coordinate. 0 is the left-most column. | |
305 | * @param y row coordinate. 0 is the top-most row. | |
306 | * @param str string to draw | |
307 | */ | |
308 | public void putStringXY(final int x, final int y, final String str) { | |
309 | for (Screen screen: screens) { | |
310 | screen.putStringXY(x, y, str); | |
311 | } | |
312 | } | |
313 | ||
314 | /** | |
315 | * Draw a vertical line from (x, y) to (x, y + n). | |
316 | * | |
317 | * @param x column coordinate. 0 is the left-most column. | |
318 | * @param y row coordinate. 0 is the top-most row. | |
319 | * @param n number of characters to draw | |
320 | * @param ch character to draw | |
321 | * @param attr attributes to use (bold, foreColor, backColor) | |
322 | */ | |
323 | public void vLineXY(final int x, final int y, final int n, | |
324 | final char ch, final CellAttributes attr) { | |
325 | ||
326 | for (Screen screen: screens) { | |
327 | screen.vLineXY(x, y, n, ch, attr); | |
328 | } | |
329 | } | |
330 | ||
331 | /** | |
332 | * Draw a horizontal line from (x, y) to (x + n, y). | |
333 | * | |
334 | * @param x column coordinate. 0 is the left-most column. | |
335 | * @param y row coordinate. 0 is the top-most row. | |
336 | * @param n number of characters to draw | |
337 | * @param ch character to draw | |
338 | * @param attr attributes to use (bold, foreColor, backColor) | |
339 | */ | |
340 | public void hLineXY(final int x, final int y, final int n, | |
341 | final char ch, final CellAttributes attr) { | |
342 | ||
343 | for (Screen screen: screens) { | |
344 | screen.hLineXY(x, y, n, ch, attr); | |
345 | } | |
346 | } | |
347 | ||
348 | /** | |
349 | * Change the width. Everything on-screen will be destroyed and must be | |
350 | * redrawn. | |
351 | * | |
352 | * @param width new screen width | |
353 | */ | |
354 | public void setWidth(final int width) { | |
355 | for (Screen screen: screens) { | |
356 | screen.setWidth(width); | |
357 | } | |
358 | } | |
359 | ||
360 | /** | |
361 | * Change the height. Everything on-screen will be destroyed and must be | |
362 | * redrawn. | |
363 | * | |
364 | * @param height new screen height | |
365 | */ | |
366 | public void setHeight(final int height) { | |
367 | for (Screen screen: screens) { | |
368 | screen.setHeight(height); | |
369 | } | |
370 | } | |
371 | ||
372 | /** | |
373 | * Change the width and height. Everything on-screen will be destroyed | |
374 | * and must be redrawn. | |
375 | * | |
376 | * @param width new screen width | |
377 | * @param height new screen height | |
378 | */ | |
379 | public void setDimensions(final int width, final int height) { | |
380 | for (Screen screen: screens) { | |
381 | screen.setDimensions(width, height); | |
382 | } | |
383 | } | |
384 | ||
385 | /** | |
386 | * Get the height. | |
387 | * | |
388 | * @return current screen height | |
389 | */ | |
390 | public int getHeight() { | |
391 | return screens.get(0).getHeight(); | |
392 | } | |
393 | ||
394 | /** | |
395 | * Get the width. | |
396 | * | |
397 | * @return current screen width | |
398 | */ | |
399 | public int getWidth() { | |
400 | return screens.get(0).getWidth(); | |
401 | } | |
402 | ||
403 | /** | |
404 | * Reset screen to not-bold, white-on-black. Also flushes the offset and | |
405 | * clip variables. | |
406 | */ | |
407 | public void reset() { | |
408 | for (Screen screen: screens) { | |
409 | screen.reset(); | |
410 | } | |
411 | } | |
412 | ||
413 | /** | |
414 | * Flush the offset and clip variables. | |
415 | */ | |
416 | public void resetClipping() { | |
417 | for (Screen screen: screens) { | |
418 | screen.resetClipping(); | |
419 | } | |
420 | } | |
421 | ||
422 | /** | |
423 | * Clear the logical screen. | |
424 | */ | |
425 | public void clear() { | |
426 | for (Screen screen: screens) { | |
427 | screen.clear(); | |
428 | } | |
429 | } | |
430 | ||
431 | /** | |
432 | * Draw a box with a border and empty background. | |
433 | * | |
434 | * @param left left column of box. 0 is the left-most row. | |
435 | * @param top top row of the box. 0 is the top-most row. | |
436 | * @param right right column of box | |
437 | * @param bottom bottom row of the box | |
438 | * @param border attributes to use for the border | |
439 | * @param background attributes to use for the background | |
440 | */ | |
441 | public void drawBox(final int left, final int top, | |
442 | final int right, final int bottom, | |
443 | final CellAttributes border, final CellAttributes background) { | |
444 | ||
445 | for (Screen screen: screens) { | |
446 | screen.drawBox(left, top, right, bottom, border, background); | |
447 | } | |
448 | } | |
449 | ||
450 | /** | |
451 | * Draw a box with a border and empty background. | |
452 | * | |
453 | * @param left left column of box. 0 is the left-most row. | |
454 | * @param top top row of the box. 0 is the top-most row. | |
455 | * @param right right column of box | |
456 | * @param bottom bottom row of the box | |
457 | * @param border attributes to use for the border | |
458 | * @param background attributes to use for the background | |
459 | * @param borderType if 1, draw a single-line border; if 2, draw a | |
460 | * double-line border; if 3, draw double-line top/bottom edges and | |
461 | * single-line left/right edges (like Qmodem) | |
462 | * @param shadow if true, draw a "shadow" on the box | |
463 | */ | |
464 | public void drawBox(final int left, final int top, | |
465 | final int right, final int bottom, | |
466 | final CellAttributes border, final CellAttributes background, | |
467 | final int borderType, final boolean shadow) { | |
468 | ||
469 | for (Screen screen: screens) { | |
470 | screen.drawBox(left, top, right, bottom, border, background, | |
471 | borderType, shadow); | |
472 | } | |
473 | } | |
474 | ||
475 | /** | |
476 | * Draw a box shadow. | |
477 | * | |
478 | * @param left left column of box. 0 is the left-most row. | |
479 | * @param top top row of the box. 0 is the top-most row. | |
480 | * @param right right column of box | |
481 | * @param bottom bottom row of the box | |
482 | */ | |
483 | public void drawBoxShadow(final int left, final int top, | |
484 | final int right, final int bottom) { | |
485 | ||
486 | for (Screen screen: screens) { | |
487 | screen.drawBoxShadow(left, top, right, bottom); | |
488 | } | |
489 | } | |
490 | ||
491 | /** | |
492 | * Classes must provide an implementation to push the logical screen to | |
493 | * the physical device. | |
494 | */ | |
495 | public void flushPhysical() { | |
496 | for (Screen screen: screens) { | |
497 | screen.flushPhysical(); | |
498 | } | |
499 | } | |
500 | ||
501 | /** | |
502 | * Put the cursor at (x,y). | |
503 | * | |
504 | * @param visible if true, the cursor should be visible | |
505 | * @param x column coordinate to put the cursor on | |
506 | * @param y row coordinate to put the cursor on | |
507 | */ | |
508 | public void putCursor(final boolean visible, final int x, final int y) { | |
509 | for (Screen screen: screens) { | |
510 | screen.putCursor(visible, x, y); | |
511 | } | |
512 | } | |
513 | ||
514 | /** | |
515 | * Hide the cursor. | |
516 | */ | |
517 | public void hideCursor() { | |
518 | for (Screen screen: screens) { | |
519 | screen.hideCursor(); | |
520 | } | |
521 | } | |
522 | ||
523 | /** | |
524 | * Set the window title. | |
525 | * | |
526 | * @param title the new title | |
527 | */ | |
528 | public void setTitle(final String title) { | |
529 | for (Screen screen: screens) { | |
530 | screen.setTitle(title); | |
531 | } | |
532 | } | |
533 | ||
534 | } |