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 | * |
a2018e99 | 6 | * Copyright (C) 2017 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 | ||
34a42e78 | 31 | import java.io.IOException; |
55d2b2c2 | 32 | import java.lang.reflect.Field; |
339652cc | 33 | import java.text.MessageFormat; |
34a42e78 KL |
34 | import java.util.LinkedList; |
35 | import java.util.List; | |
bd8d51fa | 36 | import java.util.Map; |
339652cc | 37 | import java.util.ResourceBundle; |
34a42e78 KL |
38 | |
39 | import jexer.bits.Cell; | |
40 | import jexer.bits.CellAttributes; | |
41 | import jexer.event.TKeypressEvent; | |
b2d49e0f | 42 | import jexer.event.TMenuEvent; |
34a42e78 KL |
43 | import jexer.event.TMouseEvent; |
44 | import jexer.event.TResizeEvent; | |
b2d49e0f | 45 | import jexer.menu.TMenu; |
34a42e78 | 46 | import jexer.tterminal.DisplayLine; |
be72cb5c | 47 | import jexer.tterminal.DisplayListener; |
34a42e78 KL |
48 | import jexer.tterminal.ECMA48; |
49 | import static jexer.TKeypress.*; | |
50 | ||
51 | /** | |
52 | * TTerminalWindow exposes a ECMA-48 / ANSI X3.64 style terminal in a window. | |
53 | */ | |
be72cb5c KL |
54 | public class TTerminalWindow extends TScrollableWindow |
55 | implements DisplayListener { | |
34a42e78 | 56 | |
339652cc KL |
57 | |
58 | /** | |
59 | * Translated strings. | |
60 | */ | |
61 | private static final ResourceBundle i18n = ResourceBundle.getBundle(TTerminalWindow.class.getName()); | |
62 | ||
34a42e78 KL |
63 | /** |
64 | * The emulator. | |
65 | */ | |
66 | private ECMA48 emulator; | |
67 | ||
68 | /** | |
69 | * The Process created by the shell spawning constructor. | |
70 | */ | |
71 | private Process shell; | |
72 | ||
1d99a38f KL |
73 | /** |
74 | * If true, we are using the ptypipe utility to support dynamic window | |
75 | * resizing. ptypipe is available at | |
76 | * https://github.com/klamonte/ptypipe . | |
77 | */ | |
78 | private boolean ptypipe = false; | |
79 | ||
5dfd1c11 KL |
80 | /** |
81 | * Claim the keystrokes the emulator will need. | |
82 | */ | |
83 | private void addShortcutKeys() { | |
84 | addShortcutKeypress(kbCtrlA); | |
85 | addShortcutKeypress(kbCtrlB); | |
86 | addShortcutKeypress(kbCtrlC); | |
87 | addShortcutKeypress(kbCtrlD); | |
88 | addShortcutKeypress(kbCtrlE); | |
89 | addShortcutKeypress(kbCtrlF); | |
90 | addShortcutKeypress(kbCtrlG); | |
91 | addShortcutKeypress(kbCtrlH); | |
92 | addShortcutKeypress(kbCtrlU); | |
93 | addShortcutKeypress(kbCtrlJ); | |
94 | addShortcutKeypress(kbCtrlK); | |
95 | addShortcutKeypress(kbCtrlL); | |
96 | addShortcutKeypress(kbCtrlM); | |
97 | addShortcutKeypress(kbCtrlN); | |
98 | addShortcutKeypress(kbCtrlO); | |
99 | addShortcutKeypress(kbCtrlP); | |
100 | addShortcutKeypress(kbCtrlQ); | |
101 | addShortcutKeypress(kbCtrlR); | |
102 | addShortcutKeypress(kbCtrlS); | |
103 | addShortcutKeypress(kbCtrlT); | |
104 | addShortcutKeypress(kbCtrlU); | |
105 | addShortcutKeypress(kbCtrlV); | |
106 | addShortcutKeypress(kbCtrlW); | |
107 | addShortcutKeypress(kbCtrlX); | |
108 | addShortcutKeypress(kbCtrlY); | |
109 | addShortcutKeypress(kbCtrlZ); | |
110 | addShortcutKeypress(kbF1); | |
111 | addShortcutKeypress(kbF2); | |
112 | addShortcutKeypress(kbF3); | |
113 | addShortcutKeypress(kbF4); | |
114 | addShortcutKeypress(kbF5); | |
115 | addShortcutKeypress(kbF6); | |
116 | addShortcutKeypress(kbF7); | |
117 | addShortcutKeypress(kbF8); | |
118 | addShortcutKeypress(kbF9); | |
119 | addShortcutKeypress(kbF10); | |
120 | addShortcutKeypress(kbF11); | |
121 | addShortcutKeypress(kbF12); | |
122 | addShortcutKeypress(kbAltA); | |
123 | addShortcutKeypress(kbAltB); | |
124 | addShortcutKeypress(kbAltC); | |
125 | addShortcutKeypress(kbAltD); | |
126 | addShortcutKeypress(kbAltE); | |
127 | addShortcutKeypress(kbAltF); | |
128 | addShortcutKeypress(kbAltG); | |
129 | addShortcutKeypress(kbAltH); | |
130 | addShortcutKeypress(kbAltU); | |
131 | addShortcutKeypress(kbAltJ); | |
132 | addShortcutKeypress(kbAltK); | |
133 | addShortcutKeypress(kbAltL); | |
134 | addShortcutKeypress(kbAltM); | |
135 | addShortcutKeypress(kbAltN); | |
136 | addShortcutKeypress(kbAltO); | |
137 | addShortcutKeypress(kbAltP); | |
138 | addShortcutKeypress(kbAltQ); | |
139 | addShortcutKeypress(kbAltR); | |
140 | addShortcutKeypress(kbAltS); | |
141 | addShortcutKeypress(kbAltT); | |
142 | addShortcutKeypress(kbAltU); | |
143 | addShortcutKeypress(kbAltV); | |
144 | addShortcutKeypress(kbAltW); | |
145 | addShortcutKeypress(kbAltX); | |
146 | addShortcutKeypress(kbAltY); | |
147 | addShortcutKeypress(kbAltZ); | |
148 | } | |
149 | ||
a0d734e6 KL |
150 | /** |
151 | * Convert a string array to a whitespace-separated string. | |
152 | * | |
153 | * @param array the string array | |
154 | * @return a single string | |
155 | */ | |
156 | private String stringArrayToString(final String [] array) { | |
157 | StringBuilder sb = new StringBuilder(array[0].length()); | |
158 | for (int i = 0; i < array.length; i++) { | |
159 | sb.append(array[i]); | |
160 | if (i < array.length - 1) { | |
161 | sb.append(' '); | |
162 | } | |
163 | } | |
164 | return sb.toString(); | |
165 | } | |
166 | ||
34a42e78 | 167 | /** |
6f8ff91a | 168 | * Spawn the shell. |
34a42e78 | 169 | * |
a0d734e6 | 170 | * @param command the command line to execute |
34a42e78 | 171 | */ |
a0d734e6 KL |
172 | private void spawnShell(final String [] command) { |
173 | ||
174 | /* | |
175 | System.err.printf("spawnShell(): '%s'\n", | |
176 | stringArrayToString(command)); | |
177 | */ | |
34a42e78 | 178 | |
56661844 KL |
179 | vScroller = new TVScroller(this, getWidth() - 2, 0, getHeight() - 2); |
180 | setBottomValue(0); | |
181 | ||
bd8d51fa KL |
182 | // Assume XTERM |
183 | ECMA48.DeviceType deviceType = ECMA48.DeviceType.XTERM; | |
184 | ||
34a42e78 | 185 | try { |
6f8ff91a | 186 | ProcessBuilder pb = new ProcessBuilder(command); |
bd8d51fa KL |
187 | Map<String, String> env = pb.environment(); |
188 | env.put("TERM", ECMA48.deviceTypeTerm(deviceType)); | |
189 | env.put("LANG", ECMA48.deviceTypeLang(deviceType, "en")); | |
190 | env.put("COLUMNS", "80"); | |
191 | env.put("LINES", "24"); | |
34a42e78 KL |
192 | pb.redirectErrorStream(true); |
193 | shell = pb.start(); | |
bd8d51fa | 194 | emulator = new ECMA48(deviceType, shell.getInputStream(), |
aa77d682 | 195 | shell.getOutputStream(), this); |
34a42e78 | 196 | } catch (IOException e) { |
339652cc KL |
197 | messageBox(i18n.getString("errorLaunchingShellTitle"), |
198 | MessageFormat.format(i18n.getString("errorLaunchingShellText"), | |
199 | e.getMessage())); | |
34a42e78 KL |
200 | } |
201 | ||
202 | // Setup the scroll bars | |
203 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(), | |
204 | getHeight())); | |
5dfd1c11 KL |
205 | |
206 | // Claim the keystrokes the emulator will need. | |
207 | addShortcutKeys(); | |
2ce6dab2 KL |
208 | |
209 | // Add shortcut text | |
339652cc | 210 | newStatusBar(i18n.getString("statusBarRunning")); |
34a42e78 KL |
211 | } |
212 | ||
b2d49e0f KL |
213 | /** |
214 | * Public constructor spawns a custom command line. | |
215 | * | |
216 | * @param application TApplication that manages this window | |
217 | * @param x column relative to parent | |
218 | * @param y row relative to parent | |
219 | * @param commandLine the command line to execute | |
220 | */ | |
221 | public TTerminalWindow(final TApplication application, final int x, | |
222 | final int y, final String commandLine) { | |
223 | ||
a0d734e6 | 224 | this(application, x, y, RESIZABLE, commandLine.split("\\s")); |
b2d49e0f KL |
225 | } |
226 | ||
6f8ff91a KL |
227 | /** |
228 | * Public constructor spawns a custom command line. | |
229 | * | |
230 | * @param application TApplication that manages this window | |
231 | * @param x column relative to parent | |
232 | * @param y row relative to parent | |
233 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
a0d734e6 | 234 | * @param command the command line to execute |
6f8ff91a KL |
235 | */ |
236 | public TTerminalWindow(final TApplication application, final int x, | |
a0d734e6 | 237 | final int y, final int flags, final String [] command) { |
6f8ff91a KL |
238 | |
239 | super(application, i18n.getString("windowTitle"), x, y, | |
240 | 80 + 2, 24 + 2, flags); | |
241 | ||
a0d734e6 | 242 | String [] fullCommand; |
6f8ff91a KL |
243 | |
244 | // Spawn a shell and pass its I/O to the other constructor. | |
245 | if ((System.getProperty("jexer.TTerminal.ptypipe") != null) | |
246 | && (System.getProperty("jexer.TTerminal.ptypipe"). | |
247 | equals("true")) | |
248 | ) { | |
249 | ptypipe = true; | |
a0d734e6 KL |
250 | fullCommand = new String[command.length + 1]; |
251 | fullCommand[0] = "ptypipe"; | |
252 | System.arraycopy(command, 0, fullCommand, 1, command.length); | |
6f8ff91a | 253 | } else if (System.getProperty("os.name").startsWith("Windows")) { |
a0d734e6 KL |
254 | fullCommand = new String[3]; |
255 | fullCommand[0] = "cmd"; | |
256 | fullCommand[1] = "/c"; | |
257 | fullCommand[2] = stringArrayToString(command); | |
6f8ff91a | 258 | } else if (System.getProperty("os.name").startsWith("Mac")) { |
a0d734e6 KL |
259 | fullCommand = new String[6]; |
260 | fullCommand[0] = "script"; | |
261 | fullCommand[1] = "-q"; | |
262 | fullCommand[2] = "-F"; | |
263 | fullCommand[3] = "/dev/null"; | |
264 | fullCommand[4] = "-c"; | |
265 | fullCommand[5] = stringArrayToString(command); | |
6f8ff91a | 266 | } else { |
a0d734e6 KL |
267 | // Default: behave like Linux |
268 | fullCommand = new String[5]; | |
269 | fullCommand[0] = "script"; | |
270 | fullCommand[1] = "-fqe"; | |
271 | fullCommand[2] = "/dev/null"; | |
272 | fullCommand[3] = "-c"; | |
273 | fullCommand[4] = stringArrayToString(command); | |
6f8ff91a | 274 | } |
a0d734e6 | 275 | spawnShell(fullCommand); |
6f8ff91a KL |
276 | } |
277 | ||
278 | /** | |
279 | * Public constructor spawns a shell. | |
280 | * | |
281 | * @param application TApplication that manages this window | |
282 | * @param x column relative to parent | |
283 | * @param y row relative to parent | |
284 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
285 | */ | |
286 | public TTerminalWindow(final TApplication application, final int x, | |
287 | final int y, final int flags) { | |
288 | ||
289 | super(application, i18n.getString("windowTitle"), x, y, | |
290 | 80 + 2, 24 + 2, flags); | |
291 | ||
292 | String cmdShellWindows = "cmd.exe"; | |
293 | ||
294 | // You cannot run a login shell in a bare Process interactively, due | |
295 | // to libc's behavior of buffering when stdin/stdout aren't a tty. | |
296 | // Use 'script' instead to run a shell in a pty. And because BSD and | |
297 | // GNU differ on the '-f' vs '-F' flags, we need two different | |
298 | // commands. Lovely. | |
299 | String cmdShellGNU = "script -fqe /dev/null"; | |
300 | String cmdShellBSD = "script -q -F /dev/null"; | |
301 | ||
302 | // ptypipe is another solution that permits dynamic window resizing. | |
303 | String cmdShellPtypipe = "ptypipe /bin/bash --login"; | |
304 | ||
305 | // Spawn a shell and pass its I/O to the other constructor. | |
306 | if ((System.getProperty("jexer.TTerminal.ptypipe") != null) | |
307 | && (System.getProperty("jexer.TTerminal.ptypipe"). | |
308 | equals("true")) | |
309 | ) { | |
310 | ptypipe = true; | |
a0d734e6 | 311 | spawnShell(cmdShellPtypipe.split("\\s")); |
6f8ff91a | 312 | } else if (System.getProperty("os.name").startsWith("Windows")) { |
a0d734e6 | 313 | spawnShell(cmdShellWindows.split("\\s")); |
6f8ff91a | 314 | } else if (System.getProperty("os.name").startsWith("Mac")) { |
a0d734e6 | 315 | spawnShell(cmdShellBSD.split("\\s")); |
6f8ff91a | 316 | } else if (System.getProperty("os.name").startsWith("Linux")) { |
a0d734e6 | 317 | spawnShell(cmdShellGNU.split("\\s")); |
6f8ff91a KL |
318 | } else { |
319 | // When all else fails, assume GNU. | |
a0d734e6 | 320 | spawnShell(cmdShellGNU.split("\\s")); |
6f8ff91a KL |
321 | } |
322 | } | |
323 | ||
55d2b2c2 KL |
324 | /** |
325 | * Terminate the child of the 'script' process used on POSIX. This may | |
326 | * or may not work. | |
327 | */ | |
328 | private void terminateShellChildProcess() { | |
329 | int pid = -1; | |
330 | if (shell.getClass().getName().equals("java.lang.UNIXProcess")) { | |
331 | /* get the PID on unix/linux systems */ | |
332 | try { | |
333 | Field field = shell.getClass().getDeclaredField("pid"); | |
334 | field.setAccessible(true); | |
335 | pid = field.getInt(shell); | |
336 | } catch (Throwable e) { | |
337 | // SQUASH, this didn't work. Just bail out quietly. | |
338 | return; | |
339 | } | |
340 | } | |
341 | if (pid != -1) { | |
342 | // shell.destroy() works successfully at killing this side of | |
343 | // 'script'. But we need to make sure the other side (child | |
344 | // process) is also killed. | |
345 | String [] cmdKillIt = { | |
346 | "pkill", "-P", Integer.toString(pid) | |
347 | }; | |
348 | try { | |
349 | Runtime.getRuntime().exec(cmdKillIt); | |
350 | } catch (Throwable e) { | |
351 | // SQUASH, this didn't work. Just bail out quietly. | |
352 | return; | |
353 | } | |
354 | } | |
355 | } | |
356 | ||
34a42e78 KL |
357 | /** |
358 | * Draw the display buffer. | |
359 | */ | |
360 | @Override | |
361 | public void draw() { | |
362 | // Synchronize against the emulator so we don't stomp on its reader | |
363 | // thread. | |
364 | synchronized (emulator) { | |
365 | ||
366 | // Update the scroll bars | |
56661844 | 367 | reflowData(); |
34a42e78 KL |
368 | |
369 | // Draw the box using my superclass | |
370 | super.draw(); | |
371 | ||
372 | List<DisplayLine> scrollback = emulator.getScrollbackBuffer(); | |
373 | List<DisplayLine> display = emulator.getDisplayBuffer(); | |
374 | ||
375 | // Put together the visible rows | |
34a42e78 | 376 | int visibleHeight = getHeight() - 2; |
34a42e78 | 377 | int visibleBottom = scrollback.size() + display.size() |
56661844 | 378 | + getVerticalValue(); |
34a42e78 KL |
379 | assert (visibleBottom >= 0); |
380 | ||
381 | List<DisplayLine> preceedingBlankLines = new LinkedList<DisplayLine>(); | |
382 | int visibleTop = visibleBottom - visibleHeight; | |
34a42e78 KL |
383 | if (visibleTop < 0) { |
384 | for (int i = visibleTop; i < 0; i++) { | |
385 | preceedingBlankLines.add(emulator.getBlankDisplayLine()); | |
386 | } | |
387 | visibleTop = 0; | |
388 | } | |
389 | assert (visibleTop >= 0); | |
390 | ||
391 | List<DisplayLine> displayLines = new LinkedList<DisplayLine>(); | |
392 | displayLines.addAll(scrollback); | |
393 | displayLines.addAll(display); | |
34a42e78 KL |
394 | |
395 | List<DisplayLine> visibleLines = new LinkedList<DisplayLine>(); | |
396 | visibleLines.addAll(preceedingBlankLines); | |
397 | visibleLines.addAll(displayLines.subList(visibleTop, | |
398 | visibleBottom)); | |
34a42e78 KL |
399 | |
400 | visibleHeight -= visibleLines.size(); | |
34a42e78 KL |
401 | assert (visibleHeight >= 0); |
402 | ||
403 | // Now draw the emulator screen | |
404 | int row = 1; | |
405 | for (DisplayLine line: visibleLines) { | |
406 | int widthMax = emulator.getWidth(); | |
407 | if (line.isDoubleWidth()) { | |
408 | widthMax /= 2; | |
409 | } | |
410 | if (widthMax > getWidth() - 2) { | |
411 | widthMax = getWidth() - 2; | |
412 | } | |
413 | for (int i = 0; i < widthMax; i++) { | |
414 | Cell ch = line.charAt(i); | |
415 | Cell newCell = new Cell(); | |
416 | newCell.setTo(ch); | |
7c870d89 | 417 | boolean reverse = line.isReverseColor() ^ ch.isReverse(); |
34a42e78 KL |
418 | newCell.setReverse(false); |
419 | if (reverse) { | |
051e2913 KL |
420 | if (ch.getForeColorRGB() < 0) { |
421 | newCell.setBackColor(ch.getForeColor()); | |
422 | newCell.setBackColorRGB(-1); | |
423 | } else { | |
424 | newCell.setBackColorRGB(ch.getForeColorRGB()); | |
425 | } | |
426 | if (ch.getBackColorRGB() < 0) { | |
427 | newCell.setForeColor(ch.getBackColor()); | |
428 | newCell.setForeColorRGB(-1); | |
429 | } else { | |
430 | newCell.setForeColorRGB(ch.getBackColorRGB()); | |
431 | } | |
34a42e78 KL |
432 | } |
433 | if (line.isDoubleWidth()) { | |
434 | getScreen().putCharXY((i * 2) + 1, row, newCell); | |
435 | getScreen().putCharXY((i * 2) + 2, row, ' ', newCell); | |
436 | } else { | |
437 | getScreen().putCharXY(i + 1, row, newCell); | |
438 | } | |
439 | } | |
440 | row++; | |
441 | if (row == getHeight() - 1) { | |
442 | // Don't overwrite the box edge | |
443 | break; | |
444 | } | |
445 | } | |
446 | CellAttributes background = new CellAttributes(); | |
447 | // Fill in the blank lines on bottom | |
448 | for (int i = 0; i < visibleHeight; i++) { | |
449 | getScreen().hLineXY(1, i + row, getWidth() - 2, ' ', | |
450 | background); | |
451 | } | |
452 | ||
453 | } // synchronized (emulator) | |
454 | ||
455 | } | |
456 | ||
be72cb5c KL |
457 | /** |
458 | * Called by emulator when fresh data has come in. | |
459 | */ | |
460 | public void displayChanged() { | |
b2d49e0f | 461 | getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT)); |
be72cb5c KL |
462 | } |
463 | ||
aa77d682 KL |
464 | /** |
465 | * Function to call to obtain the display width. | |
466 | * | |
467 | * @return the number of columns in the display | |
468 | */ | |
469 | public int getDisplayWidth() { | |
00fbfc38 KL |
470 | if (ptypipe) { |
471 | return getWidth() - 2; | |
472 | } | |
473 | return 80; | |
aa77d682 KL |
474 | } |
475 | ||
476 | /** | |
477 | * Function to call to obtain the display height. | |
478 | * | |
479 | * @return the number of rows in the display | |
480 | */ | |
481 | public int getDisplayHeight() { | |
00fbfc38 KL |
482 | if (ptypipe) { |
483 | return getHeight() - 2; | |
484 | } | |
485 | return 24; | |
aa77d682 KL |
486 | } |
487 | ||
34a42e78 KL |
488 | /** |
489 | * Handle window close. | |
490 | */ | |
2ce6dab2 KL |
491 | @Override |
492 | public void onClose() { | |
5dfd1c11 | 493 | emulator.close(); |
69345248 | 494 | if (shell != null) { |
55d2b2c2 | 495 | terminateShellChildProcess(); |
69345248 KL |
496 | shell.destroy(); |
497 | shell = null; | |
69345248 | 498 | } |
34a42e78 KL |
499 | } |
500 | ||
b2d49e0f KL |
501 | /** |
502 | * Hook for subclasses to be notified of the shell termination. | |
503 | */ | |
504 | public void onShellExit() { | |
505 | getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT)); | |
506 | } | |
507 | ||
34a42e78 KL |
508 | /** |
509 | * Copy out variables from the emulator that TTerminal has to expose on | |
510 | * screen. | |
511 | */ | |
512 | private void readEmulatorState() { | |
513 | // Synchronize against the emulator so we don't stomp on its reader | |
514 | // thread. | |
515 | synchronized (emulator) { | |
516 | ||
517 | setCursorX(emulator.getCursorX() + 1); | |
518 | setCursorY(emulator.getCursorY() + 1 | |
56661844 KL |
519 | + (getHeight() - 2 - emulator.getHeight()) |
520 | - getVerticalValue()); | |
7c870d89 | 521 | setCursorVisible(emulator.isCursorVisible()); |
34a42e78 | 522 | if (getCursorX() > getWidth() - 2) { |
7c870d89 | 523 | setCursorVisible(false); |
34a42e78 KL |
524 | } |
525 | if ((getCursorY() > getHeight() - 2) || (getCursorY() < 0)) { | |
7c870d89 | 526 | setCursorVisible(false); |
34a42e78 KL |
527 | } |
528 | if (emulator.getScreenTitle().length() > 0) { | |
529 | // Only update the title if the shell is still alive | |
530 | if (shell != null) { | |
531 | setTitle(emulator.getScreenTitle()); | |
532 | } | |
533 | } | |
34a42e78 KL |
534 | |
535 | // Check to see if the shell has died. | |
536 | if (!emulator.isReading() && (shell != null)) { | |
55b4f29b KL |
537 | try { |
538 | int rc = shell.exitValue(); | |
539 | // The emulator exited on its own, all is fine | |
339652cc KL |
540 | setTitle(MessageFormat.format(i18n. |
541 | getString("windowTitleCompleted"), getTitle(), rc)); | |
55b4f29b KL |
542 | shell = null; |
543 | emulator.close(); | |
5dfd1c11 | 544 | clearShortcutKeypresses(); |
339652cc KL |
545 | statusBar.setText(MessageFormat.format(i18n. |
546 | getString("statusBarCompleted"), rc)); | |
b2d49e0f | 547 | onShellExit(); |
55b4f29b KL |
548 | } catch (IllegalThreadStateException e) { |
549 | // The emulator thread has exited, but the shell Process | |
550 | // hasn't figured that out yet. Do nothing, we will see | |
551 | // this in a future tick. | |
552 | } | |
34a42e78 KL |
553 | } else if (emulator.isReading() && (shell != null)) { |
554 | // The shell might be dead, let's check | |
555 | try { | |
556 | int rc = shell.exitValue(); | |
557 | // If we got here, the shell died. | |
339652cc KL |
558 | setTitle(MessageFormat.format(i18n. |
559 | getString("windowTitleCompleted"), getTitle(), rc)); | |
34a42e78 KL |
560 | shell = null; |
561 | emulator.close(); | |
5dfd1c11 | 562 | clearShortcutKeypresses(); |
339652cc KL |
563 | statusBar.setText(MessageFormat.format(i18n. |
564 | getString("statusBarCompleted"), rc)); | |
b2d49e0f | 565 | onShellExit(); |
34a42e78 KL |
566 | } catch (IllegalThreadStateException e) { |
567 | // The shell is still running, do nothing. | |
568 | } | |
569 | } | |
92554d64 | 570 | |
34a42e78 KL |
571 | } // synchronized (emulator) |
572 | } | |
573 | ||
574 | /** | |
575 | * Handle window/screen resize events. | |
576 | * | |
577 | * @param resize resize event | |
578 | */ | |
579 | @Override | |
580 | public void onResize(final TResizeEvent resize) { | |
581 | ||
582 | // Synchronize against the emulator so we don't stomp on its reader | |
583 | // thread. | |
584 | synchronized (emulator) { | |
585 | ||
586 | if (resize.getType() == TResizeEvent.Type.WIDGET) { | |
587 | // Resize the scroll bars | |
56661844 KL |
588 | reflowData(); |
589 | placeScrollbars(); | |
34a42e78 KL |
590 | |
591 | // Get out of scrollback | |
56661844 | 592 | setVerticalValue(0); |
1d99a38f KL |
593 | |
594 | if (ptypipe) { | |
595 | emulator.setWidth(getWidth() - 2); | |
596 | emulator.setHeight(getHeight() - 2); | |
597 | ||
598 | emulator.writeRemote("\033[8;" + (getHeight() - 2) + ";" + | |
599 | (getWidth() - 2) + "t"); | |
600 | } | |
34a42e78 KL |
601 | } |
602 | return; | |
603 | ||
604 | } // synchronized (emulator) | |
605 | } | |
606 | ||
607 | /** | |
608 | * Resize scrollbars for a new width/height. | |
609 | */ | |
56661844 KL |
610 | @Override |
611 | public void reflowData() { | |
34a42e78 KL |
612 | |
613 | // Synchronize against the emulator so we don't stomp on its reader | |
614 | // thread. | |
615 | synchronized (emulator) { | |
616 | ||
617 | // Pull cursor information | |
618 | readEmulatorState(); | |
619 | ||
620 | // Vertical scrollbar | |
56661844 | 621 | setTopValue(getHeight() - 2 |
34a42e78 KL |
622 | - (emulator.getScrollbackBuffer().size() |
623 | + emulator.getDisplayBuffer().size())); | |
56661844 | 624 | setVerticalBigChange(getHeight() - 2); |
34a42e78 KL |
625 | |
626 | } // synchronized (emulator) | |
627 | } | |
628 | ||
bd8d51fa KL |
629 | /** |
630 | * Check if a mouse press/release/motion event coordinate is over the | |
631 | * emulator. | |
632 | * | |
633 | * @param mouse a mouse-based event | |
634 | * @return whether or not the mouse is on the emulator | |
635 | */ | |
636 | private final boolean mouseOnEmulator(final TMouseEvent mouse) { | |
637 | ||
638 | synchronized (emulator) { | |
639 | if (!emulator.isReading()) { | |
640 | return false; | |
641 | } | |
642 | } | |
643 | ||
644 | if ((mouse.getAbsoluteX() >= getAbsoluteX() + 1) | |
645 | && (mouse.getAbsoluteX() < getAbsoluteX() + getWidth() - 1) | |
646 | && (mouse.getAbsoluteY() >= getAbsoluteY() + 1) | |
647 | && (mouse.getAbsoluteY() < getAbsoluteY() + getHeight() - 1) | |
648 | ) { | |
649 | return true; | |
650 | } | |
651 | return false; | |
652 | } | |
653 | ||
34a42e78 KL |
654 | /** |
655 | * Handle keystrokes. | |
656 | * | |
657 | * @param keypress keystroke event | |
658 | */ | |
659 | @Override | |
660 | public void onKeypress(final TKeypressEvent keypress) { | |
661 | ||
662 | // Scrollback up/down | |
663 | if (keypress.equals(kbShiftPgUp) | |
664 | || keypress.equals(kbCtrlPgUp) | |
665 | || keypress.equals(kbAltPgUp) | |
666 | ) { | |
56661844 | 667 | bigVerticalDecrement(); |
34a42e78 KL |
668 | return; |
669 | } | |
670 | if (keypress.equals(kbShiftPgDn) | |
671 | || keypress.equals(kbCtrlPgDn) | |
672 | || keypress.equals(kbAltPgDn) | |
673 | ) { | |
56661844 | 674 | bigVerticalIncrement(); |
34a42e78 KL |
675 | return; |
676 | } | |
677 | ||
678 | // Synchronize against the emulator so we don't stomp on its reader | |
679 | // thread. | |
680 | synchronized (emulator) { | |
681 | if (emulator.isReading()) { | |
682 | // Get out of scrollback | |
56661844 | 683 | setVerticalValue(0); |
34a42e78 | 684 | emulator.keypress(keypress.getKey()); |
92554d64 KL |
685 | |
686 | // UGLY HACK TIME! cmd.exe needs CRLF, not just CR, so if | |
687 | // this is kBEnter then also send kbCtrlJ. | |
688 | if (System.getProperty("os.name").startsWith("Windows")) { | |
689 | if (keypress.equals(kbEnter)) { | |
690 | emulator.keypress(kbCtrlJ); | |
691 | } | |
692 | } | |
693 | ||
34a42e78 KL |
694 | readEmulatorState(); |
695 | return; | |
696 | } | |
697 | } | |
698 | ||
699 | // Process is closed, honor "normal" TUI keystrokes | |
700 | super.onKeypress(keypress); | |
701 | } | |
702 | ||
703 | /** | |
704 | * Handle mouse press events. | |
705 | * | |
706 | * @param mouse mouse button press event | |
707 | */ | |
708 | @Override | |
709 | public void onMouseDown(final TMouseEvent mouse) { | |
bd8d51fa KL |
710 | if (inWindowMove || inWindowResize) { |
711 | // TWindow needs to deal with this. | |
712 | super.onMouseDown(mouse); | |
713 | return; | |
714 | } | |
34a42e78 | 715 | |
7c870d89 | 716 | if (mouse.isMouseWheelUp()) { |
56661844 | 717 | verticalDecrement(); |
34a42e78 KL |
718 | return; |
719 | } | |
7c870d89 | 720 | if (mouse.isMouseWheelDown()) { |
56661844 | 721 | verticalIncrement(); |
34a42e78 KL |
722 | return; |
723 | } | |
bd8d51fa KL |
724 | if (mouseOnEmulator(mouse)) { |
725 | synchronized (emulator) { | |
726 | mouse.setX(mouse.getX() - 1); | |
727 | mouse.setY(mouse.getY() - 1); | |
728 | emulator.mouse(mouse); | |
729 | readEmulatorState(); | |
730 | return; | |
731 | } | |
732 | } | |
34a42e78 | 733 | |
bd8d51fa | 734 | // Emulator didn't consume it, pass it on |
34a42e78 KL |
735 | super.onMouseDown(mouse); |
736 | } | |
737 | ||
bd8d51fa KL |
738 | /** |
739 | * Handle mouse release events. | |
740 | * | |
741 | * @param mouse mouse button release event | |
742 | */ | |
743 | @Override | |
744 | public void onMouseUp(final TMouseEvent mouse) { | |
745 | if (inWindowMove || inWindowResize) { | |
746 | // TWindow needs to deal with this. | |
747 | super.onMouseUp(mouse); | |
748 | return; | |
749 | } | |
750 | ||
751 | if (mouseOnEmulator(mouse)) { | |
752 | synchronized (emulator) { | |
753 | mouse.setX(mouse.getX() - 1); | |
754 | mouse.setY(mouse.getY() - 1); | |
755 | emulator.mouse(mouse); | |
756 | readEmulatorState(); | |
757 | return; | |
758 | } | |
759 | } | |
760 | ||
761 | // Emulator didn't consume it, pass it on | |
762 | super.onMouseUp(mouse); | |
763 | } | |
764 | ||
765 | /** | |
766 | * Handle mouse motion events. | |
767 | * | |
768 | * @param mouse mouse motion event | |
769 | */ | |
770 | @Override | |
771 | public void onMouseMotion(final TMouseEvent mouse) { | |
772 | if (inWindowMove || inWindowResize) { | |
773 | // TWindow needs to deal with this. | |
774 | super.onMouseMotion(mouse); | |
775 | return; | |
776 | } | |
777 | ||
778 | if (mouseOnEmulator(mouse)) { | |
779 | synchronized (emulator) { | |
780 | mouse.setX(mouse.getX() - 1); | |
781 | mouse.setY(mouse.getY() - 1); | |
782 | emulator.mouse(mouse); | |
783 | readEmulatorState(); | |
784 | return; | |
785 | } | |
786 | } | |
787 | ||
788 | // Emulator didn't consume it, pass it on | |
789 | super.onMouseMotion(mouse); | |
790 | } | |
791 | ||
34a42e78 | 792 | } |