Commit | Line | Data |
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daa4106c | 1 | /* |
34a42e78 KL |
2 | * Jexer - Java Text User Interface |
3 | * | |
e16dda65 | 4 | * The MIT License (MIT) |
34a42e78 | 5 | * |
a69ed767 | 6 | * Copyright (C) 2019 Kevin Lamonte |
34a42e78 | 7 | * |
e16dda65 KL |
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: | |
34a42e78 | 14 | * |
e16dda65 KL |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
34a42e78 | 17 | * |
e16dda65 KL |
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. | |
34a42e78 KL |
25 | * |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
28 | */ | |
29 | package jexer; | |
30 | ||
d1115203 KL |
31 | import java.awt.image.BufferedImage; |
32 | import java.awt.Font; | |
33 | import java.awt.FontMetrics; | |
34 | import java.awt.Graphics2D; | |
35 | ||
36 | import java.io.InputStream; | |
34a42e78 | 37 | import java.io.IOException; |
55d2b2c2 | 38 | import java.lang.reflect.Field; |
339652cc | 39 | import java.text.MessageFormat; |
a69ed767 | 40 | import java.util.ArrayList; |
d1115203 | 41 | import java.util.HashMap; |
34a42e78 | 42 | import java.util.List; |
bd8d51fa | 43 | import java.util.Map; |
339652cc | 44 | import java.util.ResourceBundle; |
34a42e78 | 45 | |
d1115203 KL |
46 | import jexer.backend.ECMA48Terminal; |
47 | import jexer.backend.MultiScreen; | |
48 | import jexer.backend.SwingTerminal; | |
34a42e78 KL |
49 | import jexer.bits.Cell; |
50 | import jexer.bits.CellAttributes; | |
51 | import jexer.event.TKeypressEvent; | |
b2d49e0f | 52 | import jexer.event.TMenuEvent; |
34a42e78 KL |
53 | import jexer.event.TMouseEvent; |
54 | import jexer.event.TResizeEvent; | |
b2d49e0f | 55 | import jexer.menu.TMenu; |
34a42e78 | 56 | import jexer.tterminal.DisplayLine; |
be72cb5c | 57 | import jexer.tterminal.DisplayListener; |
34a42e78 KL |
58 | import jexer.tterminal.ECMA48; |
59 | import static jexer.TKeypress.*; | |
60 | ||
61 | /** | |
62 | * TTerminalWindow exposes a ECMA-48 / ANSI X3.64 style terminal in a window. | |
63 | */ | |
be72cb5c KL |
64 | public class TTerminalWindow extends TScrollableWindow |
65 | implements DisplayListener { | |
34a42e78 | 66 | |
339652cc KL |
67 | /** |
68 | * Translated strings. | |
69 | */ | |
70 | private static final ResourceBundle i18n = ResourceBundle.getBundle(TTerminalWindow.class.getName()); | |
71 | ||
615a0d99 KL |
72 | // ------------------------------------------------------------------------ |
73 | // Variables -------------------------------------------------------------- | |
74 | // ------------------------------------------------------------------------ | |
75 | ||
34a42e78 KL |
76 | /** |
77 | * The emulator. | |
78 | */ | |
79 | private ECMA48 emulator; | |
80 | ||
81 | /** | |
82 | * The Process created by the shell spawning constructor. | |
83 | */ | |
84 | private Process shell; | |
85 | ||
1d99a38f KL |
86 | /** |
87 | * If true, we are using the ptypipe utility to support dynamic window | |
88 | * resizing. ptypipe is available at | |
a69ed767 | 89 | * https://gitlab.com/klamonte/ptypipe . |
1d99a38f KL |
90 | */ |
91 | private boolean ptypipe = false; | |
92 | ||
a69ed767 KL |
93 | /** |
94 | * If true, close the window when the shell exits. | |
95 | */ | |
96 | private boolean closeOnExit = false; | |
97 | ||
d1115203 KL |
98 | /** |
99 | * System-dependent Y adjustment for text in the character cell | |
100 | * (double-height). | |
101 | */ | |
102 | private int doubleTextAdjustY = 0; | |
103 | ||
104 | /** | |
105 | * System-dependent X adjustment for text in the character cell | |
106 | * (double-height). | |
107 | */ | |
108 | private int doubleTextAdjustX = 0; | |
109 | ||
110 | /** | |
111 | * Descent of a character cell in pixels (double-height). | |
112 | */ | |
113 | private int doubleMaxDescent = 0; | |
114 | ||
115 | /** | |
116 | * Double-width font. | |
117 | */ | |
118 | private Font doubleFont = null; | |
119 | ||
120 | /** | |
121 | * Last text width value. | |
122 | */ | |
123 | private int lastTextWidth = -1; | |
124 | ||
125 | /** | |
126 | * Last text height value. | |
127 | */ | |
128 | private int lastTextHeight = -1; | |
129 | ||
130 | /** | |
131 | * A cache of previously-rendered double-width glyphs. | |
132 | */ | |
133 | private Map<Cell, BufferedImage> glyphCache; | |
134 | ||
615a0d99 KL |
135 | // ------------------------------------------------------------------------ |
136 | // Constructors ----------------------------------------------------------- | |
137 | // ------------------------------------------------------------------------ | |
34a42e78 | 138 | |
b2d49e0f KL |
139 | /** |
140 | * Public constructor spawns a custom command line. | |
141 | * | |
142 | * @param application TApplication that manages this window | |
143 | * @param x column relative to parent | |
144 | * @param y row relative to parent | |
145 | * @param commandLine the command line to execute | |
146 | */ | |
147 | public TTerminalWindow(final TApplication application, final int x, | |
148 | final int y, final String commandLine) { | |
149 | ||
00691e80 | 150 | this(application, x, y, RESIZABLE, commandLine.split("\\s+"), |
a69ed767 KL |
151 | System.getProperty("jexer.TTerminal.closeOnExit", |
152 | "false").equals("true")); | |
153 | } | |
154 | ||
155 | /** | |
156 | * Public constructor spawns a custom command line. | |
157 | * | |
158 | * @param application TApplication that manages this window | |
159 | * @param x column relative to parent | |
160 | * @param y row relative to parent | |
161 | * @param commandLine the command line to execute | |
162 | * @param closeOnExit if true, close the window when the command exits | |
163 | */ | |
164 | public TTerminalWindow(final TApplication application, final int x, | |
165 | final int y, final String commandLine, final boolean closeOnExit) { | |
166 | ||
00691e80 | 167 | this(application, x, y, RESIZABLE, commandLine.split("\\s+"), |
a69ed767 | 168 | closeOnExit); |
b2d49e0f KL |
169 | } |
170 | ||
6f8ff91a KL |
171 | /** |
172 | * Public constructor spawns a custom command line. | |
173 | * | |
174 | * @param application TApplication that manages this window | |
175 | * @param x column relative to parent | |
176 | * @param y row relative to parent | |
177 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
a0d734e6 | 178 | * @param command the command line to execute |
6f8ff91a KL |
179 | */ |
180 | public TTerminalWindow(final TApplication application, final int x, | |
a0d734e6 | 181 | final int y, final int flags, final String [] command) { |
6f8ff91a | 182 | |
a69ed767 KL |
183 | this(application, x, y, flags, command, |
184 | System.getProperty("jexer.TTerminal.closeOnExit", | |
185 | "false").equals("true")); | |
186 | } | |
187 | ||
188 | /** | |
189 | * Public constructor spawns a custom command line. | |
190 | * | |
191 | * @param application TApplication that manages this window | |
192 | * @param x column relative to parent | |
193 | * @param y row relative to parent | |
194 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
195 | * @param command the command line to execute | |
196 | * @param closeOnExit if true, close the window when the command exits | |
197 | */ | |
198 | public TTerminalWindow(final TApplication application, final int x, | |
199 | final int y, final int flags, final String [] command, | |
200 | final boolean closeOnExit) { | |
201 | ||
6f8ff91a KL |
202 | super(application, i18n.getString("windowTitle"), x, y, |
203 | 80 + 2, 24 + 2, flags); | |
204 | ||
a69ed767 KL |
205 | this.closeOnExit = closeOnExit; |
206 | ||
a0d734e6 | 207 | String [] fullCommand; |
6f8ff91a KL |
208 | |
209 | // Spawn a shell and pass its I/O to the other constructor. | |
210 | if ((System.getProperty("jexer.TTerminal.ptypipe") != null) | |
211 | && (System.getProperty("jexer.TTerminal.ptypipe"). | |
212 | equals("true")) | |
213 | ) { | |
214 | ptypipe = true; | |
a0d734e6 KL |
215 | fullCommand = new String[command.length + 1]; |
216 | fullCommand[0] = "ptypipe"; | |
217 | System.arraycopy(command, 0, fullCommand, 1, command.length); | |
6f8ff91a | 218 | } else if (System.getProperty("os.name").startsWith("Windows")) { |
a0d734e6 KL |
219 | fullCommand = new String[3]; |
220 | fullCommand[0] = "cmd"; | |
221 | fullCommand[1] = "/c"; | |
222 | fullCommand[2] = stringArrayToString(command); | |
6f8ff91a | 223 | } else if (System.getProperty("os.name").startsWith("Mac")) { |
a0d734e6 KL |
224 | fullCommand = new String[6]; |
225 | fullCommand[0] = "script"; | |
226 | fullCommand[1] = "-q"; | |
227 | fullCommand[2] = "-F"; | |
228 | fullCommand[3] = "/dev/null"; | |
229 | fullCommand[4] = "-c"; | |
230 | fullCommand[5] = stringArrayToString(command); | |
6f8ff91a | 231 | } else { |
a0d734e6 KL |
232 | // Default: behave like Linux |
233 | fullCommand = new String[5]; | |
234 | fullCommand[0] = "script"; | |
235 | fullCommand[1] = "-fqe"; | |
236 | fullCommand[2] = "/dev/null"; | |
237 | fullCommand[3] = "-c"; | |
238 | fullCommand[4] = stringArrayToString(command); | |
6f8ff91a | 239 | } |
a0d734e6 | 240 | spawnShell(fullCommand); |
6f8ff91a KL |
241 | } |
242 | ||
243 | /** | |
244 | * Public constructor spawns a shell. | |
245 | * | |
246 | * @param application TApplication that manages this window | |
247 | * @param x column relative to parent | |
248 | * @param y row relative to parent | |
249 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
250 | */ | |
251 | public TTerminalWindow(final TApplication application, final int x, | |
252 | final int y, final int flags) { | |
253 | ||
a69ed767 KL |
254 | this(application, x, y, flags, |
255 | System.getProperty("jexer.TTerminal.closeOnExit", | |
256 | "false").equals("true")); | |
257 | ||
258 | } | |
259 | ||
260 | /** | |
261 | * Public constructor spawns a shell. | |
262 | * | |
263 | * @param application TApplication that manages this window | |
264 | * @param x column relative to parent | |
265 | * @param y row relative to parent | |
266 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
267 | * @param closeOnExit if true, close the window when the shell exits | |
268 | */ | |
269 | public TTerminalWindow(final TApplication application, final int x, | |
270 | final int y, final int flags, final boolean closeOnExit) { | |
271 | ||
6f8ff91a KL |
272 | super(application, i18n.getString("windowTitle"), x, y, |
273 | 80 + 2, 24 + 2, flags); | |
274 | ||
a69ed767 KL |
275 | this.closeOnExit = closeOnExit; |
276 | ||
6f8ff91a KL |
277 | String cmdShellWindows = "cmd.exe"; |
278 | ||
279 | // You cannot run a login shell in a bare Process interactively, due | |
280 | // to libc's behavior of buffering when stdin/stdout aren't a tty. | |
281 | // Use 'script' instead to run a shell in a pty. And because BSD and | |
282 | // GNU differ on the '-f' vs '-F' flags, we need two different | |
283 | // commands. Lovely. | |
284 | String cmdShellGNU = "script -fqe /dev/null"; | |
285 | String cmdShellBSD = "script -q -F /dev/null"; | |
286 | ||
287 | // ptypipe is another solution that permits dynamic window resizing. | |
288 | String cmdShellPtypipe = "ptypipe /bin/bash --login"; | |
289 | ||
290 | // Spawn a shell and pass its I/O to the other constructor. | |
291 | if ((System.getProperty("jexer.TTerminal.ptypipe") != null) | |
292 | && (System.getProperty("jexer.TTerminal.ptypipe"). | |
293 | equals("true")) | |
294 | ) { | |
295 | ptypipe = true; | |
00691e80 | 296 | spawnShell(cmdShellPtypipe.split("\\s+")); |
6f8ff91a | 297 | } else if (System.getProperty("os.name").startsWith("Windows")) { |
00691e80 | 298 | spawnShell(cmdShellWindows.split("\\s+")); |
6f8ff91a | 299 | } else if (System.getProperty("os.name").startsWith("Mac")) { |
00691e80 | 300 | spawnShell(cmdShellBSD.split("\\s+")); |
6f8ff91a | 301 | } else if (System.getProperty("os.name").startsWith("Linux")) { |
00691e80 | 302 | spawnShell(cmdShellGNU.split("\\s+")); |
6f8ff91a KL |
303 | } else { |
304 | // When all else fails, assume GNU. | |
00691e80 | 305 | spawnShell(cmdShellGNU.split("\\s+")); |
6f8ff91a KL |
306 | } |
307 | } | |
308 | ||
615a0d99 KL |
309 | // ------------------------------------------------------------------------ |
310 | // TScrollableWindow ------------------------------------------------------ | |
311 | // ------------------------------------------------------------------------ | |
55d2b2c2 | 312 | |
34a42e78 KL |
313 | /** |
314 | * Draw the display buffer. | |
315 | */ | |
316 | @Override | |
317 | public void draw() { | |
318 | // Synchronize against the emulator so we don't stomp on its reader | |
319 | // thread. | |
320 | synchronized (emulator) { | |
321 | ||
322 | // Update the scroll bars | |
56661844 | 323 | reflowData(); |
34a42e78 KL |
324 | |
325 | // Draw the box using my superclass | |
326 | super.draw(); | |
327 | ||
328 | List<DisplayLine> scrollback = emulator.getScrollbackBuffer(); | |
329 | List<DisplayLine> display = emulator.getDisplayBuffer(); | |
330 | ||
331 | // Put together the visible rows | |
34a42e78 | 332 | int visibleHeight = getHeight() - 2; |
34a42e78 | 333 | int visibleBottom = scrollback.size() + display.size() |
56661844 | 334 | + getVerticalValue(); |
34a42e78 KL |
335 | assert (visibleBottom >= 0); |
336 | ||
a69ed767 | 337 | List<DisplayLine> preceedingBlankLines = new ArrayList<DisplayLine>(); |
34a42e78 | 338 | int visibleTop = visibleBottom - visibleHeight; |
34a42e78 KL |
339 | if (visibleTop < 0) { |
340 | for (int i = visibleTop; i < 0; i++) { | |
341 | preceedingBlankLines.add(emulator.getBlankDisplayLine()); | |
342 | } | |
343 | visibleTop = 0; | |
344 | } | |
345 | assert (visibleTop >= 0); | |
346 | ||
a69ed767 | 347 | List<DisplayLine> displayLines = new ArrayList<DisplayLine>(); |
34a42e78 KL |
348 | displayLines.addAll(scrollback); |
349 | displayLines.addAll(display); | |
34a42e78 | 350 | |
a69ed767 | 351 | List<DisplayLine> visibleLines = new ArrayList<DisplayLine>(); |
34a42e78 KL |
352 | visibleLines.addAll(preceedingBlankLines); |
353 | visibleLines.addAll(displayLines.subList(visibleTop, | |
354 | visibleBottom)); | |
34a42e78 KL |
355 | |
356 | visibleHeight -= visibleLines.size(); | |
34a42e78 KL |
357 | assert (visibleHeight >= 0); |
358 | ||
359 | // Now draw the emulator screen | |
360 | int row = 1; | |
361 | for (DisplayLine line: visibleLines) { | |
362 | int widthMax = emulator.getWidth(); | |
363 | if (line.isDoubleWidth()) { | |
364 | widthMax /= 2; | |
365 | } | |
366 | if (widthMax > getWidth() - 2) { | |
367 | widthMax = getWidth() - 2; | |
368 | } | |
369 | for (int i = 0; i < widthMax; i++) { | |
370 | Cell ch = line.charAt(i); | |
371 | Cell newCell = new Cell(); | |
372 | newCell.setTo(ch); | |
7c870d89 | 373 | boolean reverse = line.isReverseColor() ^ ch.isReverse(); |
34a42e78 KL |
374 | newCell.setReverse(false); |
375 | if (reverse) { | |
051e2913 KL |
376 | if (ch.getForeColorRGB() < 0) { |
377 | newCell.setBackColor(ch.getForeColor()); | |
378 | newCell.setBackColorRGB(-1); | |
379 | } else { | |
380 | newCell.setBackColorRGB(ch.getForeColorRGB()); | |
381 | } | |
382 | if (ch.getBackColorRGB() < 0) { | |
383 | newCell.setForeColor(ch.getBackColor()); | |
384 | newCell.setForeColorRGB(-1); | |
385 | } else { | |
386 | newCell.setForeColorRGB(ch.getBackColorRGB()); | |
387 | } | |
34a42e78 KL |
388 | } |
389 | if (line.isDoubleWidth()) { | |
d1115203 | 390 | putDoubleWidthCharXY(line, (i * 2) + 1, row, newCell); |
34a42e78 | 391 | } else { |
a69ed767 | 392 | putCharXY(i + 1, row, newCell); |
34a42e78 KL |
393 | } |
394 | } | |
395 | row++; | |
396 | if (row == getHeight() - 1) { | |
397 | // Don't overwrite the box edge | |
398 | break; | |
399 | } | |
400 | } | |
401 | CellAttributes background = new CellAttributes(); | |
402 | // Fill in the blank lines on bottom | |
403 | for (int i = 0; i < visibleHeight; i++) { | |
a69ed767 | 404 | hLineXY(1, i + row, getWidth() - 2, ' ', background); |
34a42e78 KL |
405 | } |
406 | ||
407 | } // synchronized (emulator) | |
408 | ||
409 | } | |
410 | ||
107bba16 KL |
411 | /** |
412 | * Handle window close. | |
413 | */ | |
414 | @Override | |
415 | public void onClose() { | |
416 | emulator.close(); | |
417 | if (shell != null) { | |
418 | terminateShellChildProcess(); | |
419 | shell.destroy(); | |
420 | shell = null; | |
421 | } | |
422 | } | |
423 | ||
be72cb5c | 424 | /** |
615a0d99 | 425 | * Handle window/screen resize events. |
aa77d682 | 426 | * |
615a0d99 | 427 | * @param resize resize event |
aa77d682 | 428 | */ |
615a0d99 KL |
429 | @Override |
430 | public void onResize(final TResizeEvent resize) { | |
431 | ||
432 | // Synchronize against the emulator so we don't stomp on its reader | |
433 | // thread. | |
434 | synchronized (emulator) { | |
435 | ||
436 | if (resize.getType() == TResizeEvent.Type.WIDGET) { | |
437 | // Resize the scroll bars | |
438 | reflowData(); | |
439 | placeScrollbars(); | |
440 | ||
441 | // Get out of scrollback | |
442 | setVerticalValue(0); | |
443 | ||
444 | if (ptypipe) { | |
445 | emulator.setWidth(getWidth() - 2); | |
446 | emulator.setHeight(getHeight() - 2); | |
447 | ||
448 | emulator.writeRemote("\033[8;" + (getHeight() - 2) + ";" + | |
449 | (getWidth() - 2) + "t"); | |
450 | } | |
451 | } | |
452 | return; | |
453 | ||
454 | } // synchronized (emulator) | |
aa77d682 KL |
455 | } |
456 | ||
457 | /** | |
615a0d99 | 458 | * Resize scrollbars for a new width/height. |
aa77d682 | 459 | */ |
615a0d99 KL |
460 | @Override |
461 | public void reflowData() { | |
462 | ||
463 | // Synchronize against the emulator so we don't stomp on its reader | |
464 | // thread. | |
465 | synchronized (emulator) { | |
466 | ||
467 | // Pull cursor information | |
468 | readEmulatorState(); | |
469 | ||
470 | // Vertical scrollbar | |
471 | setTopValue(getHeight() - 2 | |
472 | - (emulator.getScrollbackBuffer().size() | |
473 | + emulator.getDisplayBuffer().size())); | |
474 | setVerticalBigChange(getHeight() - 2); | |
475 | ||
476 | } // synchronized (emulator) | |
aa77d682 KL |
477 | } |
478 | ||
b2d49e0f | 479 | /** |
615a0d99 KL |
480 | * Handle keystrokes. |
481 | * | |
482 | * @param keypress keystroke event | |
34a42e78 | 483 | */ |
615a0d99 KL |
484 | @Override |
485 | public void onKeypress(final TKeypressEvent keypress) { | |
34a42e78 KL |
486 | |
487 | // Scrollback up/down | |
488 | if (keypress.equals(kbShiftPgUp) | |
489 | || keypress.equals(kbCtrlPgUp) | |
490 | || keypress.equals(kbAltPgUp) | |
491 | ) { | |
56661844 | 492 | bigVerticalDecrement(); |
34a42e78 KL |
493 | return; |
494 | } | |
495 | if (keypress.equals(kbShiftPgDn) | |
496 | || keypress.equals(kbCtrlPgDn) | |
497 | || keypress.equals(kbAltPgDn) | |
498 | ) { | |
56661844 | 499 | bigVerticalIncrement(); |
34a42e78 KL |
500 | return; |
501 | } | |
502 | ||
503 | // Synchronize against the emulator so we don't stomp on its reader | |
504 | // thread. | |
505 | synchronized (emulator) { | |
506 | if (emulator.isReading()) { | |
507 | // Get out of scrollback | |
56661844 | 508 | setVerticalValue(0); |
34a42e78 | 509 | emulator.keypress(keypress.getKey()); |
92554d64 KL |
510 | |
511 | // UGLY HACK TIME! cmd.exe needs CRLF, not just CR, so if | |
512 | // this is kBEnter then also send kbCtrlJ. | |
513 | if (System.getProperty("os.name").startsWith("Windows")) { | |
514 | if (keypress.equals(kbEnter)) { | |
515 | emulator.keypress(kbCtrlJ); | |
516 | } | |
517 | } | |
518 | ||
34a42e78 KL |
519 | readEmulatorState(); |
520 | return; | |
521 | } | |
522 | } | |
523 | ||
524 | // Process is closed, honor "normal" TUI keystrokes | |
525 | super.onKeypress(keypress); | |
526 | } | |
527 | ||
528 | /** | |
529 | * Handle mouse press events. | |
530 | * | |
531 | * @param mouse mouse button press event | |
532 | */ | |
533 | @Override | |
534 | public void onMouseDown(final TMouseEvent mouse) { | |
bd8d51fa KL |
535 | if (inWindowMove || inWindowResize) { |
536 | // TWindow needs to deal with this. | |
537 | super.onMouseDown(mouse); | |
538 | return; | |
539 | } | |
34a42e78 | 540 | |
7c870d89 | 541 | if (mouse.isMouseWheelUp()) { |
56661844 | 542 | verticalDecrement(); |
34a42e78 KL |
543 | return; |
544 | } | |
7c870d89 | 545 | if (mouse.isMouseWheelDown()) { |
56661844 | 546 | verticalIncrement(); |
34a42e78 KL |
547 | return; |
548 | } | |
bd8d51fa KL |
549 | if (mouseOnEmulator(mouse)) { |
550 | synchronized (emulator) { | |
551 | mouse.setX(mouse.getX() - 1); | |
552 | mouse.setY(mouse.getY() - 1); | |
553 | emulator.mouse(mouse); | |
554 | readEmulatorState(); | |
555 | return; | |
556 | } | |
557 | } | |
34a42e78 | 558 | |
bd8d51fa | 559 | // Emulator didn't consume it, pass it on |
34a42e78 KL |
560 | super.onMouseDown(mouse); |
561 | } | |
562 | ||
bd8d51fa KL |
563 | /** |
564 | * Handle mouse release events. | |
565 | * | |
566 | * @param mouse mouse button release event | |
567 | */ | |
568 | @Override | |
569 | public void onMouseUp(final TMouseEvent mouse) { | |
570 | if (inWindowMove || inWindowResize) { | |
571 | // TWindow needs to deal with this. | |
572 | super.onMouseUp(mouse); | |
573 | return; | |
574 | } | |
575 | ||
576 | if (mouseOnEmulator(mouse)) { | |
577 | synchronized (emulator) { | |
578 | mouse.setX(mouse.getX() - 1); | |
579 | mouse.setY(mouse.getY() - 1); | |
580 | emulator.mouse(mouse); | |
581 | readEmulatorState(); | |
582 | return; | |
583 | } | |
584 | } | |
585 | ||
586 | // Emulator didn't consume it, pass it on | |
587 | super.onMouseUp(mouse); | |
588 | } | |
589 | ||
590 | /** | |
591 | * Handle mouse motion events. | |
592 | * | |
593 | * @param mouse mouse motion event | |
594 | */ | |
595 | @Override | |
596 | public void onMouseMotion(final TMouseEvent mouse) { | |
597 | if (inWindowMove || inWindowResize) { | |
598 | // TWindow needs to deal with this. | |
599 | super.onMouseMotion(mouse); | |
600 | return; | |
601 | } | |
602 | ||
603 | if (mouseOnEmulator(mouse)) { | |
604 | synchronized (emulator) { | |
605 | mouse.setX(mouse.getX() - 1); | |
606 | mouse.setY(mouse.getY() - 1); | |
607 | emulator.mouse(mouse); | |
608 | readEmulatorState(); | |
609 | return; | |
610 | } | |
611 | } | |
612 | ||
613 | // Emulator didn't consume it, pass it on | |
614 | super.onMouseMotion(mouse); | |
615 | } | |
616 | ||
615a0d99 KL |
617 | // ------------------------------------------------------------------------ |
618 | // TTerminalWindow -------------------------------------------------------- | |
619 | // ------------------------------------------------------------------------ | |
620 | ||
621 | /** | |
622 | * Claim the keystrokes the emulator will need. | |
623 | */ | |
624 | private void addShortcutKeys() { | |
625 | addShortcutKeypress(kbCtrlA); | |
626 | addShortcutKeypress(kbCtrlB); | |
627 | addShortcutKeypress(kbCtrlC); | |
628 | addShortcutKeypress(kbCtrlD); | |
629 | addShortcutKeypress(kbCtrlE); | |
630 | addShortcutKeypress(kbCtrlF); | |
631 | addShortcutKeypress(kbCtrlG); | |
632 | addShortcutKeypress(kbCtrlH); | |
633 | addShortcutKeypress(kbCtrlU); | |
634 | addShortcutKeypress(kbCtrlJ); | |
635 | addShortcutKeypress(kbCtrlK); | |
636 | addShortcutKeypress(kbCtrlL); | |
637 | addShortcutKeypress(kbCtrlM); | |
638 | addShortcutKeypress(kbCtrlN); | |
639 | addShortcutKeypress(kbCtrlO); | |
640 | addShortcutKeypress(kbCtrlP); | |
641 | addShortcutKeypress(kbCtrlQ); | |
642 | addShortcutKeypress(kbCtrlR); | |
643 | addShortcutKeypress(kbCtrlS); | |
644 | addShortcutKeypress(kbCtrlT); | |
645 | addShortcutKeypress(kbCtrlU); | |
646 | addShortcutKeypress(kbCtrlV); | |
647 | addShortcutKeypress(kbCtrlW); | |
648 | addShortcutKeypress(kbCtrlX); | |
649 | addShortcutKeypress(kbCtrlY); | |
650 | addShortcutKeypress(kbCtrlZ); | |
651 | addShortcutKeypress(kbF1); | |
652 | addShortcutKeypress(kbF2); | |
653 | addShortcutKeypress(kbF3); | |
654 | addShortcutKeypress(kbF4); | |
655 | addShortcutKeypress(kbF5); | |
656 | addShortcutKeypress(kbF6); | |
657 | addShortcutKeypress(kbF7); | |
658 | addShortcutKeypress(kbF8); | |
659 | addShortcutKeypress(kbF9); | |
660 | addShortcutKeypress(kbF10); | |
661 | addShortcutKeypress(kbF11); | |
662 | addShortcutKeypress(kbF12); | |
663 | addShortcutKeypress(kbAltA); | |
664 | addShortcutKeypress(kbAltB); | |
665 | addShortcutKeypress(kbAltC); | |
666 | addShortcutKeypress(kbAltD); | |
667 | addShortcutKeypress(kbAltE); | |
668 | addShortcutKeypress(kbAltF); | |
669 | addShortcutKeypress(kbAltG); | |
670 | addShortcutKeypress(kbAltH); | |
671 | addShortcutKeypress(kbAltU); | |
672 | addShortcutKeypress(kbAltJ); | |
673 | addShortcutKeypress(kbAltK); | |
674 | addShortcutKeypress(kbAltL); | |
675 | addShortcutKeypress(kbAltM); | |
676 | addShortcutKeypress(kbAltN); | |
677 | addShortcutKeypress(kbAltO); | |
678 | addShortcutKeypress(kbAltP); | |
679 | addShortcutKeypress(kbAltQ); | |
680 | addShortcutKeypress(kbAltR); | |
681 | addShortcutKeypress(kbAltS); | |
682 | addShortcutKeypress(kbAltT); | |
683 | addShortcutKeypress(kbAltU); | |
684 | addShortcutKeypress(kbAltV); | |
685 | addShortcutKeypress(kbAltW); | |
686 | addShortcutKeypress(kbAltX); | |
687 | addShortcutKeypress(kbAltY); | |
688 | addShortcutKeypress(kbAltZ); | |
689 | } | |
690 | ||
691 | /** | |
692 | * Convert a string array to a whitespace-separated string. | |
693 | * | |
694 | * @param array the string array | |
695 | * @return a single string | |
696 | */ | |
697 | private String stringArrayToString(final String [] array) { | |
698 | StringBuilder sb = new StringBuilder(array[0].length()); | |
699 | for (int i = 0; i < array.length; i++) { | |
700 | sb.append(array[i]); | |
701 | if (i < array.length - 1) { | |
702 | sb.append(' '); | |
703 | } | |
704 | } | |
705 | return sb.toString(); | |
706 | } | |
707 | ||
708 | /** | |
709 | * Spawn the shell. | |
710 | * | |
711 | * @param command the command line to execute | |
712 | */ | |
713 | private void spawnShell(final String [] command) { | |
714 | ||
715 | /* | |
716 | System.err.printf("spawnShell(): '%s'\n", | |
717 | stringArrayToString(command)); | |
718 | */ | |
719 | ||
720 | vScroller = new TVScroller(this, getWidth() - 2, 0, getHeight() - 2); | |
721 | setBottomValue(0); | |
722 | ||
723 | // Assume XTERM | |
724 | ECMA48.DeviceType deviceType = ECMA48.DeviceType.XTERM; | |
725 | ||
726 | try { | |
727 | ProcessBuilder pb = new ProcessBuilder(command); | |
728 | Map<String, String> env = pb.environment(); | |
729 | env.put("TERM", ECMA48.deviceTypeTerm(deviceType)); | |
730 | env.put("LANG", ECMA48.deviceTypeLang(deviceType, "en")); | |
731 | env.put("COLUMNS", "80"); | |
732 | env.put("LINES", "24"); | |
733 | pb.redirectErrorStream(true); | |
734 | shell = pb.start(); | |
735 | emulator = new ECMA48(deviceType, shell.getInputStream(), | |
736 | shell.getOutputStream(), this); | |
737 | } catch (IOException e) { | |
738 | messageBox(i18n.getString("errorLaunchingShellTitle"), | |
739 | MessageFormat.format(i18n.getString("errorLaunchingShellText"), | |
740 | e.getMessage())); | |
741 | } | |
742 | ||
743 | // Setup the scroll bars | |
744 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(), | |
745 | getHeight())); | |
746 | ||
747 | // Claim the keystrokes the emulator will need. | |
748 | addShortcutKeys(); | |
749 | ||
750 | // Add shortcut text | |
751 | newStatusBar(i18n.getString("statusBarRunning")); | |
752 | } | |
753 | ||
754 | /** | |
755 | * Terminate the child of the 'script' process used on POSIX. This may | |
756 | * or may not work. | |
757 | */ | |
758 | private void terminateShellChildProcess() { | |
759 | int pid = -1; | |
760 | if (shell.getClass().getName().equals("java.lang.UNIXProcess")) { | |
761 | /* get the PID on unix/linux systems */ | |
762 | try { | |
763 | Field field = shell.getClass().getDeclaredField("pid"); | |
764 | field.setAccessible(true); | |
765 | pid = field.getInt(shell); | |
766 | } catch (Throwable e) { | |
767 | // SQUASH, this didn't work. Just bail out quietly. | |
768 | return; | |
769 | } | |
770 | } | |
771 | if (pid != -1) { | |
772 | // shell.destroy() works successfully at killing this side of | |
773 | // 'script'. But we need to make sure the other side (child | |
774 | // process) is also killed. | |
775 | String [] cmdKillIt = { | |
776 | "pkill", "-P", Integer.toString(pid) | |
777 | }; | |
778 | try { | |
779 | Runtime.getRuntime().exec(cmdKillIt); | |
780 | } catch (Throwable e) { | |
781 | // SQUASH, this didn't work. Just bail out quietly. | |
782 | return; | |
783 | } | |
784 | } | |
785 | } | |
786 | ||
787 | /** | |
788 | * Called by emulator when fresh data has come in. | |
789 | */ | |
790 | public void displayChanged() { | |
791 | getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT)); | |
792 | } | |
793 | ||
794 | /** | |
795 | * Function to call to obtain the display width. | |
796 | * | |
797 | * @return the number of columns in the display | |
798 | */ | |
799 | public int getDisplayWidth() { | |
800 | if (ptypipe) { | |
801 | return getWidth() - 2; | |
802 | } | |
803 | return 80; | |
804 | } | |
805 | ||
806 | /** | |
807 | * Function to call to obtain the display height. | |
808 | * | |
809 | * @return the number of rows in the display | |
810 | */ | |
811 | public int getDisplayHeight() { | |
812 | if (ptypipe) { | |
813 | return getHeight() - 2; | |
814 | } | |
815 | return 24; | |
816 | } | |
817 | ||
818 | /** | |
819 | * Hook for subclasses to be notified of the shell termination. | |
820 | */ | |
821 | public void onShellExit() { | |
a69ed767 KL |
822 | if (closeOnExit) { |
823 | close(); | |
824 | } | |
615a0d99 KL |
825 | getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT)); |
826 | } | |
827 | ||
828 | /** | |
829 | * Copy out variables from the emulator that TTerminal has to expose on | |
830 | * screen. | |
831 | */ | |
832 | private void readEmulatorState() { | |
833 | // Synchronize against the emulator so we don't stomp on its reader | |
834 | // thread. | |
835 | synchronized (emulator) { | |
978a5d8f | 836 | setHiddenMouse(emulator.hasHiddenMousePointer()); |
9696a8f6 | 837 | |
615a0d99 KL |
838 | setCursorX(emulator.getCursorX() + 1); |
839 | setCursorY(emulator.getCursorY() + 1 | |
840 | + (getHeight() - 2 - emulator.getHeight()) | |
841 | - getVerticalValue()); | |
842 | setCursorVisible(emulator.isCursorVisible()); | |
843 | if (getCursorX() > getWidth() - 2) { | |
844 | setCursorVisible(false); | |
845 | } | |
846 | if ((getCursorY() > getHeight() - 2) || (getCursorY() < 0)) { | |
847 | setCursorVisible(false); | |
848 | } | |
849 | if (emulator.getScreenTitle().length() > 0) { | |
850 | // Only update the title if the shell is still alive | |
851 | if (shell != null) { | |
852 | setTitle(emulator.getScreenTitle()); | |
853 | } | |
854 | } | |
855 | ||
856 | // Check to see if the shell has died. | |
857 | if (!emulator.isReading() && (shell != null)) { | |
858 | try { | |
859 | int rc = shell.exitValue(); | |
860 | // The emulator exited on its own, all is fine | |
861 | setTitle(MessageFormat.format(i18n. | |
862 | getString("windowTitleCompleted"), getTitle(), rc)); | |
863 | shell = null; | |
864 | emulator.close(); | |
865 | clearShortcutKeypresses(); | |
866 | statusBar.setText(MessageFormat.format(i18n. | |
867 | getString("statusBarCompleted"), rc)); | |
868 | onShellExit(); | |
869 | } catch (IllegalThreadStateException e) { | |
870 | // The emulator thread has exited, but the shell Process | |
871 | // hasn't figured that out yet. Do nothing, we will see | |
872 | // this in a future tick. | |
873 | } | |
874 | } else if (emulator.isReading() && (shell != null)) { | |
875 | // The shell might be dead, let's check | |
876 | try { | |
877 | int rc = shell.exitValue(); | |
878 | // If we got here, the shell died. | |
879 | setTitle(MessageFormat.format(i18n. | |
880 | getString("windowTitleCompleted"), getTitle(), rc)); | |
881 | shell = null; | |
882 | emulator.close(); | |
883 | clearShortcutKeypresses(); | |
884 | statusBar.setText(MessageFormat.format(i18n. | |
885 | getString("statusBarCompleted"), rc)); | |
886 | onShellExit(); | |
887 | } catch (IllegalThreadStateException e) { | |
888 | // The shell is still running, do nothing. | |
889 | } | |
890 | } | |
891 | ||
892 | } // synchronized (emulator) | |
893 | } | |
894 | ||
895 | /** | |
896 | * Check if a mouse press/release/motion event coordinate is over the | |
897 | * emulator. | |
898 | * | |
899 | * @param mouse a mouse-based event | |
900 | * @return whether or not the mouse is on the emulator | |
901 | */ | |
c88c4ced | 902 | private boolean mouseOnEmulator(final TMouseEvent mouse) { |
615a0d99 KL |
903 | |
904 | synchronized (emulator) { | |
905 | if (!emulator.isReading()) { | |
906 | return false; | |
907 | } | |
908 | } | |
909 | ||
910 | if ((mouse.getAbsoluteX() >= getAbsoluteX() + 1) | |
911 | && (mouse.getAbsoluteX() < getAbsoluteX() + getWidth() - 1) | |
912 | && (mouse.getAbsoluteY() >= getAbsoluteY() + 1) | |
913 | && (mouse.getAbsoluteY() < getAbsoluteY() + getHeight() - 1) | |
914 | ) { | |
915 | return true; | |
916 | } | |
917 | return false; | |
918 | } | |
919 | ||
d1115203 KL |
920 | /** |
921 | * Draw glyphs for a double-width or double-height VT100 cell to two | |
922 | * screen cells. | |
923 | * | |
924 | * @param line the line this VT100 cell is in | |
925 | * @param x the X position to draw the left half to | |
926 | * @param y the Y position to draw to | |
927 | * @param cell the cell to draw | |
928 | */ | |
929 | private void putDoubleWidthCharXY(final DisplayLine line, final int x, | |
930 | final int y, final Cell cell) { | |
931 | ||
932 | int textWidth = 16; | |
933 | int textHeight = 20; | |
934 | ||
935 | if (getScreen() instanceof SwingTerminal) { | |
936 | SwingTerminal terminal = (SwingTerminal) getScreen(); | |
937 | ||
938 | textWidth = terminal.getTextWidth(); | |
939 | textHeight = terminal.getTextHeight(); | |
940 | } else if (getScreen() instanceof ECMA48Terminal) { | |
941 | ECMA48Terminal terminal = (ECMA48Terminal) getScreen(); | |
942 | ||
943 | textWidth = terminal.getTextWidth(); | |
944 | textHeight = terminal.getTextHeight(); | |
945 | } else { | |
946 | // We don't know how to dray glyphs to this screen, draw them as | |
947 | // text and bail out. | |
948 | putCharXY(x, y, cell); | |
949 | putCharXY(x + 1, y, ' ', cell); | |
950 | return; | |
951 | } | |
952 | ||
953 | if ((textWidth != lastTextWidth) || (textHeight != lastTextHeight)) { | |
954 | // Screen size has changed, reset all fonts. | |
955 | setupFonts(textHeight); | |
956 | lastTextWidth = textWidth; | |
957 | lastTextHeight = textHeight; | |
958 | } | |
959 | assert (doubleFont != null); | |
960 | ||
961 | BufferedImage image = null; | |
962 | ||
963 | image = glyphCache.get(cell); | |
964 | if (image == null) { | |
965 | // Generate glyph and draw it to an image. | |
966 | image = new BufferedImage(textWidth * 2, textHeight * 2, | |
967 | BufferedImage.TYPE_INT_ARGB); | |
968 | Graphics2D gr2 = image.createGraphics(); | |
969 | gr2.setFont(doubleFont); | |
970 | ||
971 | // Draw the background rectangle, then the foreground character. | |
972 | if (getScreen() instanceof ECMA48Terminal) { | |
973 | // BUG: the background color is coming in the same as the | |
974 | // foreground color. For now, don't draw it. | |
975 | } else { | |
976 | gr2.setColor(SwingTerminal.attrToBackgroundColor(cell)); | |
977 | gr2.fillRect(0, 0, image.getWidth(), image.getHeight()); | |
978 | } | |
979 | gr2.setColor(SwingTerminal.attrToForegroundColor(cell)); | |
980 | char [] chars = new char[1]; | |
981 | chars[0] = cell.getChar(); | |
982 | gr2.drawChars(chars, 0, 1, doubleTextAdjustX, | |
983 | (textHeight * 2) - doubleMaxDescent + doubleTextAdjustY); | |
984 | ||
985 | if (cell.isUnderline() && (line.getDoubleHeight() != 1)) { | |
986 | gr2.fillRect(0, textHeight - 2, textWidth, 2); | |
987 | } | |
988 | gr2.dispose(); | |
989 | ||
990 | // Now save this generated image, using a new key that will not | |
991 | // be mutated by invertCell(). | |
992 | Cell key = new Cell(); | |
993 | key.setTo(cell); | |
994 | glyphCache.put(key, image); | |
995 | } | |
996 | ||
997 | // Now that we have the double-wide glyph drawn, copy the right | |
998 | // pieces of it to the cells. | |
999 | Cell left = new Cell(); | |
1000 | Cell right = new Cell(); | |
1001 | left.setTo(cell); | |
1002 | right.setTo(cell); | |
1003 | right.setChar(' '); | |
1004 | BufferedImage leftImage = null; | |
1005 | BufferedImage rightImage = null; | |
1006 | switch (line.getDoubleHeight()) { | |
1007 | case 1: | |
1008 | // Top half double height | |
1009 | leftImage = image.getSubimage(0, 0, textWidth, textHeight); | |
1010 | rightImage = image.getSubimage(textWidth, 0, textWidth, textHeight); | |
1011 | break; | |
1012 | case 2: | |
1013 | // Bottom half double height | |
1014 | leftImage = image.getSubimage(0, textHeight, textWidth, textHeight); | |
1015 | rightImage = image.getSubimage(textWidth, textHeight, | |
1016 | textWidth, textHeight); | |
1017 | break; | |
1018 | default: | |
1019 | // Either single height double-width, or error fallback | |
1020 | BufferedImage wideImage = new BufferedImage(textWidth * 2, | |
1021 | textHeight, BufferedImage.TYPE_INT_ARGB); | |
1022 | Graphics2D grWide = wideImage.createGraphics(); | |
1023 | grWide.drawImage(image, 0, 0, wideImage.getWidth(), | |
1024 | wideImage.getHeight(), null); | |
1025 | grWide.dispose(); | |
1026 | leftImage = wideImage.getSubimage(0, 0, textWidth, textHeight); | |
1027 | rightImage = wideImage.getSubimage(textWidth, 0, textWidth, | |
1028 | textHeight); | |
1029 | break; | |
1030 | } | |
1031 | left.setImage(leftImage); | |
1032 | right.setImage(rightImage); | |
1033 | putCharXY(x, y, left); | |
1034 | putCharXY(x + 1, y, right); | |
1035 | } | |
1036 | ||
1037 | /** | |
1038 | * Set up the single and double-width fonts. | |
1039 | * | |
1040 | * @param fontSize the size of font to request for the single-width font. | |
1041 | * The double-width font will be 2x this value. | |
1042 | */ | |
1043 | private void setupFonts(final int fontSize) { | |
1044 | try { | |
1045 | ClassLoader loader = Thread.currentThread().getContextClassLoader(); | |
1046 | InputStream in = loader.getResourceAsStream(SwingTerminal.FONTFILE); | |
1047 | Font terminusRoot = Font.createFont(Font.TRUETYPE_FONT, in); | |
1048 | Font terminusDouble = terminusRoot.deriveFont(Font.PLAIN, | |
1049 | fontSize * 2); | |
1050 | doubleFont = terminusDouble; | |
1051 | } catch (java.awt.FontFormatException e) { | |
1052 | new TExceptionDialog(getApplication(), e); | |
1053 | doubleFont = new Font(Font.MONOSPACED, Font.PLAIN, fontSize * 2); | |
1054 | } catch (java.io.IOException e) { | |
1055 | new TExceptionDialog(getApplication(), e); | |
1056 | doubleFont = new Font(Font.MONOSPACED, Font.PLAIN, fontSize * 2); | |
1057 | } | |
1058 | ||
1059 | // Get font descent. | |
1060 | BufferedImage image = new BufferedImage(fontSize * 10, fontSize * 10, | |
1061 | BufferedImage.TYPE_INT_ARGB); | |
1062 | Graphics2D gr = image.createGraphics(); | |
1063 | gr.setFont(doubleFont); | |
1064 | FontMetrics fm = gr.getFontMetrics(); | |
1065 | doubleMaxDescent = fm.getMaxDescent(); | |
1066 | ||
1067 | gr.dispose(); | |
1068 | ||
1069 | // (Re)create the glyph cache. | |
1070 | glyphCache = new HashMap<Cell, BufferedImage>(); | |
1071 | } | |
1072 | ||
34a42e78 | 1073 | } |