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.Font; |
32 | import java.awt.FontMetrics; | |
33 | import java.awt.Graphics2D; | |
5fc7bf09 | 34 | import java.awt.image.BufferedImage; |
d1115203 KL |
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 | 46 | import jexer.backend.ECMA48Terminal; |
0d86ab84 | 47 | import jexer.backend.GlyphMaker; |
d1115203 KL |
48 | import jexer.backend.MultiScreen; |
49 | import jexer.backend.SwingTerminal; | |
34a42e78 KL |
50 | import jexer.bits.Cell; |
51 | import jexer.bits.CellAttributes; | |
52 | import jexer.event.TKeypressEvent; | |
b2d49e0f | 53 | import jexer.event.TMenuEvent; |
34a42e78 KL |
54 | import jexer.event.TMouseEvent; |
55 | import jexer.event.TResizeEvent; | |
b2d49e0f | 56 | import jexer.menu.TMenu; |
34a42e78 | 57 | import jexer.tterminal.DisplayLine; |
be72cb5c | 58 | import jexer.tterminal.DisplayListener; |
34a42e78 KL |
59 | import jexer.tterminal.ECMA48; |
60 | import static jexer.TKeypress.*; | |
61 | ||
62 | /** | |
63 | * TTerminalWindow exposes a ECMA-48 / ANSI X3.64 style terminal in a window. | |
64 | */ | |
be72cb5c KL |
65 | public class TTerminalWindow extends TScrollableWindow |
66 | implements DisplayListener { | |
34a42e78 | 67 | |
339652cc KL |
68 | /** |
69 | * Translated strings. | |
70 | */ | |
71 | private static final ResourceBundle i18n = ResourceBundle.getBundle(TTerminalWindow.class.getName()); | |
72 | ||
615a0d99 KL |
73 | // ------------------------------------------------------------------------ |
74 | // Variables -------------------------------------------------------------- | |
75 | // ------------------------------------------------------------------------ | |
76 | ||
34a42e78 KL |
77 | /** |
78 | * The emulator. | |
79 | */ | |
80 | private ECMA48 emulator; | |
81 | ||
82 | /** | |
83 | * The Process created by the shell spawning constructor. | |
84 | */ | |
85 | private Process shell; | |
86 | ||
1d99a38f KL |
87 | /** |
88 | * If true, we are using the ptypipe utility to support dynamic window | |
89 | * resizing. ptypipe is available at | |
a69ed767 | 90 | * https://gitlab.com/klamonte/ptypipe . |
1d99a38f KL |
91 | */ |
92 | private boolean ptypipe = false; | |
93 | ||
a69ed767 KL |
94 | /** |
95 | * If true, close the window when the shell exits. | |
96 | */ | |
97 | private boolean closeOnExit = false; | |
98 | ||
d1115203 | 99 | /** |
0d86ab84 | 100 | * Double-height font. |
d1115203 | 101 | */ |
0d86ab84 | 102 | private GlyphMaker doubleFont; |
d1115203 KL |
103 | |
104 | /** | |
105 | * Last text width value. | |
106 | */ | |
107 | private int lastTextWidth = -1; | |
108 | ||
109 | /** | |
110 | * Last text height value. | |
111 | */ | |
112 | private int lastTextHeight = -1; | |
113 | ||
b3d79e99 KL |
114 | /** |
115 | * The blink state, used only by ECMA48 backend and when double-width | |
116 | * chars must be drawn. | |
117 | */ | |
118 | private boolean blinkState = true; | |
119 | ||
0d86ab84 KL |
120 | /** |
121 | * Timer flag, used only by ECMA48 backend and when double-width chars | |
122 | * must be drawn. | |
123 | */ | |
124 | private boolean haveTimer = false; | |
125 | ||
ab215e38 KL |
126 | /** |
127 | * The last seen scrollback lines. | |
128 | */ | |
129 | private List<DisplayLine> scrollback; | |
130 | ||
131 | /** | |
132 | * The last seen display lines. | |
133 | */ | |
134 | private List<DisplayLine> display; | |
135 | ||
136 | /** | |
137 | * If true, the display has changed and needs updating. | |
138 | */ | |
139 | private volatile boolean dirty = true; | |
140 | ||
141 | /** | |
142 | * Time that the display was last updated. | |
143 | */ | |
144 | private long lastUpdateTime = 0; | |
145 | ||
80b1b7b5 KL |
146 | /** |
147 | * If true, hide the mouse after typing a keystroke. | |
148 | */ | |
149 | private boolean hideMouseWhenTyping = true; | |
150 | ||
151 | /** | |
152 | * If true, the mouse should not be displayed because a keystroke was | |
153 | * typed. | |
154 | */ | |
155 | private boolean typingHidMouse = false; | |
156 | ||
615a0d99 KL |
157 | // ------------------------------------------------------------------------ |
158 | // Constructors ----------------------------------------------------------- | |
159 | // ------------------------------------------------------------------------ | |
34a42e78 | 160 | |
b2d49e0f KL |
161 | /** |
162 | * Public constructor spawns a custom command line. | |
163 | * | |
164 | * @param application TApplication that manages this window | |
165 | * @param x column relative to parent | |
166 | * @param y row relative to parent | |
167 | * @param commandLine the command line to execute | |
168 | */ | |
169 | public TTerminalWindow(final TApplication application, final int x, | |
170 | final int y, final String commandLine) { | |
171 | ||
00691e80 | 172 | this(application, x, y, RESIZABLE, commandLine.split("\\s+"), |
a69ed767 KL |
173 | System.getProperty("jexer.TTerminal.closeOnExit", |
174 | "false").equals("true")); | |
175 | } | |
176 | ||
177 | /** | |
178 | * Public constructor spawns a custom command line. | |
179 | * | |
180 | * @param application TApplication that manages this window | |
181 | * @param x column relative to parent | |
182 | * @param y row relative to parent | |
183 | * @param commandLine the command line to execute | |
184 | * @param closeOnExit if true, close the window when the command exits | |
185 | */ | |
186 | public TTerminalWindow(final TApplication application, final int x, | |
187 | final int y, final String commandLine, final boolean closeOnExit) { | |
188 | ||
00691e80 | 189 | this(application, x, y, RESIZABLE, commandLine.split("\\s+"), |
a69ed767 | 190 | closeOnExit); |
b2d49e0f KL |
191 | } |
192 | ||
6f8ff91a KL |
193 | /** |
194 | * Public constructor spawns a custom command line. | |
195 | * | |
196 | * @param application TApplication that manages this window | |
197 | * @param x column relative to parent | |
198 | * @param y row relative to parent | |
199 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
a0d734e6 | 200 | * @param command the command line to execute |
6f8ff91a KL |
201 | */ |
202 | public TTerminalWindow(final TApplication application, final int x, | |
a0d734e6 | 203 | final int y, final int flags, final String [] command) { |
6f8ff91a | 204 | |
a69ed767 KL |
205 | this(application, x, y, flags, command, |
206 | System.getProperty("jexer.TTerminal.closeOnExit", | |
207 | "false").equals("true")); | |
208 | } | |
209 | ||
210 | /** | |
211 | * Public constructor spawns a custom command line. | |
212 | * | |
213 | * @param application TApplication that manages this window | |
214 | * @param x column relative to parent | |
215 | * @param y row relative to parent | |
216 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
217 | * @param command the command line to execute | |
218 | * @param closeOnExit if true, close the window when the command exits | |
219 | */ | |
220 | public TTerminalWindow(final TApplication application, final int x, | |
221 | final int y, final int flags, final String [] command, | |
222 | final boolean closeOnExit) { | |
223 | ||
6f8ff91a KL |
224 | super(application, i18n.getString("windowTitle"), x, y, |
225 | 80 + 2, 24 + 2, flags); | |
226 | ||
a69ed767 KL |
227 | this.closeOnExit = closeOnExit; |
228 | ||
a0d734e6 | 229 | String [] fullCommand; |
6f8ff91a KL |
230 | |
231 | // Spawn a shell and pass its I/O to the other constructor. | |
232 | if ((System.getProperty("jexer.TTerminal.ptypipe") != null) | |
233 | && (System.getProperty("jexer.TTerminal.ptypipe"). | |
234 | equals("true")) | |
235 | ) { | |
236 | ptypipe = true; | |
a0d734e6 KL |
237 | fullCommand = new String[command.length + 1]; |
238 | fullCommand[0] = "ptypipe"; | |
239 | System.arraycopy(command, 0, fullCommand, 1, command.length); | |
6f8ff91a | 240 | } else if (System.getProperty("os.name").startsWith("Windows")) { |
a0d734e6 KL |
241 | fullCommand = new String[3]; |
242 | fullCommand[0] = "cmd"; | |
243 | fullCommand[1] = "/c"; | |
244 | fullCommand[2] = stringArrayToString(command); | |
6f8ff91a | 245 | } else if (System.getProperty("os.name").startsWith("Mac")) { |
a0d734e6 KL |
246 | fullCommand = new String[6]; |
247 | fullCommand[0] = "script"; | |
248 | fullCommand[1] = "-q"; | |
249 | fullCommand[2] = "-F"; | |
250 | fullCommand[3] = "/dev/null"; | |
251 | fullCommand[4] = "-c"; | |
252 | fullCommand[5] = stringArrayToString(command); | |
6f8ff91a | 253 | } else { |
a0d734e6 KL |
254 | // Default: behave like Linux |
255 | fullCommand = new String[5]; | |
256 | fullCommand[0] = "script"; | |
257 | fullCommand[1] = "-fqe"; | |
258 | fullCommand[2] = "/dev/null"; | |
259 | fullCommand[3] = "-c"; | |
260 | fullCommand[4] = stringArrayToString(command); | |
6f8ff91a | 261 | } |
a0d734e6 | 262 | spawnShell(fullCommand); |
6f8ff91a KL |
263 | } |
264 | ||
265 | /** | |
266 | * Public constructor spawns a shell. | |
267 | * | |
268 | * @param application TApplication that manages this window | |
269 | * @param x column relative to parent | |
270 | * @param y row relative to parent | |
271 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
272 | */ | |
273 | public TTerminalWindow(final TApplication application, final int x, | |
274 | final int y, final int flags) { | |
275 | ||
a69ed767 KL |
276 | this(application, x, y, flags, |
277 | System.getProperty("jexer.TTerminal.closeOnExit", | |
278 | "false").equals("true")); | |
279 | ||
280 | } | |
281 | ||
282 | /** | |
283 | * Public constructor spawns a shell. | |
284 | * | |
285 | * @param application TApplication that manages this window | |
286 | * @param x column relative to parent | |
287 | * @param y row relative to parent | |
288 | * @param flags mask of CENTERED, MODAL, or RESIZABLE | |
289 | * @param closeOnExit if true, close the window when the shell exits | |
290 | */ | |
291 | public TTerminalWindow(final TApplication application, final int x, | |
292 | final int y, final int flags, final boolean closeOnExit) { | |
293 | ||
6f8ff91a KL |
294 | super(application, i18n.getString("windowTitle"), x, y, |
295 | 80 + 2, 24 + 2, flags); | |
296 | ||
a69ed767 KL |
297 | this.closeOnExit = closeOnExit; |
298 | ||
c348e2b5 KL |
299 | if (System.getProperty("jexer.TTerminal.shell") != null) { |
300 | String shell = System.getProperty("jexer.TTerminal.shell"); | |
301 | if (shell.trim().startsWith("ptypipe")) { | |
302 | ptypipe = true; | |
303 | } | |
304 | spawnShell(shell.split("\\s+")); | |
305 | return; | |
306 | } | |
307 | ||
6f8ff91a KL |
308 | String cmdShellWindows = "cmd.exe"; |
309 | ||
310 | // You cannot run a login shell in a bare Process interactively, due | |
311 | // to libc's behavior of buffering when stdin/stdout aren't a tty. | |
312 | // Use 'script' instead to run a shell in a pty. And because BSD and | |
313 | // GNU differ on the '-f' vs '-F' flags, we need two different | |
314 | // commands. Lovely. | |
315 | String cmdShellGNU = "script -fqe /dev/null"; | |
316 | String cmdShellBSD = "script -q -F /dev/null"; | |
317 | ||
318 | // ptypipe is another solution that permits dynamic window resizing. | |
319 | String cmdShellPtypipe = "ptypipe /bin/bash --login"; | |
320 | ||
321 | // Spawn a shell and pass its I/O to the other constructor. | |
322 | if ((System.getProperty("jexer.TTerminal.ptypipe") != null) | |
323 | && (System.getProperty("jexer.TTerminal.ptypipe"). | |
324 | equals("true")) | |
325 | ) { | |
326 | ptypipe = true; | |
00691e80 | 327 | spawnShell(cmdShellPtypipe.split("\\s+")); |
6f8ff91a | 328 | } else if (System.getProperty("os.name").startsWith("Windows")) { |
00691e80 | 329 | spawnShell(cmdShellWindows.split("\\s+")); |
6f8ff91a | 330 | } else if (System.getProperty("os.name").startsWith("Mac")) { |
00691e80 | 331 | spawnShell(cmdShellBSD.split("\\s+")); |
6f8ff91a | 332 | } else if (System.getProperty("os.name").startsWith("Linux")) { |
00691e80 | 333 | spawnShell(cmdShellGNU.split("\\s+")); |
6f8ff91a KL |
334 | } else { |
335 | // When all else fails, assume GNU. | |
00691e80 | 336 | spawnShell(cmdShellGNU.split("\\s+")); |
6f8ff91a KL |
337 | } |
338 | } | |
339 | ||
615a0d99 KL |
340 | // ------------------------------------------------------------------------ |
341 | // TScrollableWindow ------------------------------------------------------ | |
342 | // ------------------------------------------------------------------------ | |
55d2b2c2 | 343 | |
34a42e78 KL |
344 | /** |
345 | * Draw the display buffer. | |
346 | */ | |
347 | @Override | |
348 | public void draw() { | |
ab215e38 KL |
349 | int width = getDisplayWidth(); |
350 | boolean syncEmulator = false; | |
027de5ae | 351 | if ((System.currentTimeMillis() - lastUpdateTime >= 25) |
ab215e38 KL |
352 | && (dirty == true) |
353 | ) { | |
354 | // Too much time has passed, draw it all. | |
355 | syncEmulator = true; | |
356 | } else if (emulator.isReading() && (dirty == false)) { | |
357 | // Wait until the emulator has brought more data in. | |
358 | syncEmulator = false; | |
359 | } else if (!emulator.isReading() && (dirty == true)) { | |
360 | // The emulator won't receive more data, update the display. | |
361 | syncEmulator = true; | |
362 | } | |
34a42e78 | 363 | |
ab215e38 KL |
364 | if ((syncEmulator == true) |
365 | || (scrollback == null) | |
366 | || (display == null) | |
367 | ) { | |
368 | // We want to minimize the amount of time we have the emulator | |
369 | // locked. Grab a copy of its display. | |
370 | synchronized (emulator) { | |
371 | // Update the scroll bars | |
372 | reflowData(); | |
34a42e78 | 373 | |
ab215e38 KL |
374 | if ((scrollback == null) || emulator.isReading()) { |
375 | scrollback = copyBuffer(emulator.getScrollbackBuffer()); | |
376 | display = copyBuffer(emulator.getDisplayBuffer()); | |
34a42e78 | 377 | } |
ab215e38 | 378 | width = emulator.getWidth(); |
34a42e78 | 379 | } |
ab215e38 KL |
380 | dirty = false; |
381 | } | |
34a42e78 | 382 | |
ab215e38 KL |
383 | // Draw the box using my superclass |
384 | super.draw(); | |
34a42e78 | 385 | |
ab215e38 KL |
386 | // Put together the visible rows |
387 | int visibleHeight = getHeight() - 2; | |
388 | int visibleBottom = scrollback.size() + display.size() | |
389 | + getVerticalValue(); | |
390 | assert (visibleBottom >= 0); | |
34a42e78 | 391 | |
ab215e38 KL |
392 | List<DisplayLine> preceedingBlankLines = new ArrayList<DisplayLine>(); |
393 | int visibleTop = visibleBottom - visibleHeight; | |
394 | if (visibleTop < 0) { | |
395 | for (int i = visibleTop; i < 0; i++) { | |
396 | preceedingBlankLines.add(emulator.getBlankDisplayLine()); | |
397 | } | |
398 | visibleTop = 0; | |
399 | } | |
400 | assert (visibleTop >= 0); | |
401 | ||
402 | List<DisplayLine> displayLines = new ArrayList<DisplayLine>(); | |
403 | displayLines.addAll(scrollback); | |
404 | displayLines.addAll(display); | |
405 | ||
406 | List<DisplayLine> visibleLines = new ArrayList<DisplayLine>(); | |
407 | visibleLines.addAll(preceedingBlankLines); | |
408 | visibleLines.addAll(displayLines.subList(visibleTop, | |
409 | visibleBottom)); | |
410 | ||
411 | visibleHeight -= visibleLines.size(); | |
412 | assert (visibleHeight >= 0); | |
413 | ||
414 | // Now draw the emulator screen | |
415 | int row = 1; | |
416 | for (DisplayLine line: visibleLines) { | |
417 | int widthMax = width; | |
418 | if (line.isDoubleWidth()) { | |
419 | widthMax /= 2; | |
420 | } | |
421 | if (widthMax > getWidth() - 2) { | |
422 | widthMax = getWidth() - 2; | |
423 | } | |
424 | for (int i = 0; i < widthMax; i++) { | |
425 | Cell ch = line.charAt(i); | |
34a42e78 | 426 | |
ab215e38 KL |
427 | if (ch.isImage()) { |
428 | putCharXY(i + 1, row, ch); | |
429 | continue; | |
34a42e78 | 430 | } |
9588c713 | 431 | |
027de5ae | 432 | Cell newCell = new Cell(ch); |
ab215e38 KL |
433 | boolean reverse = line.isReverseColor() ^ ch.isReverse(); |
434 | newCell.setReverse(false); | |
435 | if (reverse) { | |
436 | if (ch.getForeColorRGB() < 0) { | |
437 | newCell.setBackColor(ch.getForeColor()); | |
438 | newCell.setBackColorRGB(-1); | |
439 | } else { | |
440 | newCell.setBackColorRGB(ch.getForeColorRGB()); | |
34a42e78 | 441 | } |
ab215e38 KL |
442 | if (ch.getBackColorRGB() < 0) { |
443 | newCell.setForeColor(ch.getBackColor()); | |
444 | newCell.setForeColorRGB(-1); | |
34a42e78 | 445 | } else { |
ab215e38 | 446 | newCell.setForeColorRGB(ch.getBackColorRGB()); |
34a42e78 KL |
447 | } |
448 | } | |
ab215e38 KL |
449 | if (line.isDoubleWidth()) { |
450 | putDoubleWidthCharXY(line, (i * 2) + 1, row, newCell); | |
451 | } else { | |
452 | putCharXY(i + 1, row, newCell); | |
34a42e78 KL |
453 | } |
454 | } | |
ab215e38 KL |
455 | row++; |
456 | if (row == getHeight() - 1) { | |
457 | // Don't overwrite the box edge | |
458 | break; | |
34a42e78 | 459 | } |
ab215e38 KL |
460 | } |
461 | CellAttributes background = new CellAttributes(); | |
462 | // Fill in the blank lines on bottom | |
463 | for (int i = 0; i < visibleHeight; i++) { | |
464 | hLineXY(1, i + row, getWidth() - 2, ' ', background); | |
465 | } | |
34a42e78 KL |
466 | |
467 | } | |
468 | ||
107bba16 KL |
469 | /** |
470 | * Handle window close. | |
471 | */ | |
472 | @Override | |
473 | public void onClose() { | |
474 | emulator.close(); | |
475 | if (shell != null) { | |
476 | terminateShellChildProcess(); | |
477 | shell.destroy(); | |
478 | shell = null; | |
479 | } | |
480 | } | |
481 | ||
be72cb5c | 482 | /** |
615a0d99 | 483 | * Handle window/screen resize events. |
aa77d682 | 484 | * |
615a0d99 | 485 | * @param resize resize event |
aa77d682 | 486 | */ |
615a0d99 KL |
487 | @Override |
488 | public void onResize(final TResizeEvent resize) { | |
489 | ||
490 | // Synchronize against the emulator so we don't stomp on its reader | |
491 | // thread. | |
492 | synchronized (emulator) { | |
493 | ||
494 | if (resize.getType() == TResizeEvent.Type.WIDGET) { | |
495 | // Resize the scroll bars | |
496 | reflowData(); | |
497 | placeScrollbars(); | |
498 | ||
499 | // Get out of scrollback | |
500 | setVerticalValue(0); | |
501 | ||
502 | if (ptypipe) { | |
503 | emulator.setWidth(getWidth() - 2); | |
504 | emulator.setHeight(getHeight() - 2); | |
505 | ||
506 | emulator.writeRemote("\033[8;" + (getHeight() - 2) + ";" + | |
507 | (getWidth() - 2) + "t"); | |
508 | } | |
509 | } | |
510 | return; | |
511 | ||
512 | } // synchronized (emulator) | |
aa77d682 KL |
513 | } |
514 | ||
515 | /** | |
615a0d99 | 516 | * Resize scrollbars for a new width/height. |
aa77d682 | 517 | */ |
615a0d99 KL |
518 | @Override |
519 | public void reflowData() { | |
520 | ||
521 | // Synchronize against the emulator so we don't stomp on its reader | |
522 | // thread. | |
523 | synchronized (emulator) { | |
524 | ||
525 | // Pull cursor information | |
526 | readEmulatorState(); | |
527 | ||
528 | // Vertical scrollbar | |
529 | setTopValue(getHeight() - 2 | |
530 | - (emulator.getScrollbackBuffer().size() | |
531 | + emulator.getDisplayBuffer().size())); | |
532 | setVerticalBigChange(getHeight() - 2); | |
533 | ||
534 | } // synchronized (emulator) | |
aa77d682 KL |
535 | } |
536 | ||
b2d49e0f | 537 | /** |
615a0d99 KL |
538 | * Handle keystrokes. |
539 | * | |
540 | * @param keypress keystroke event | |
34a42e78 | 541 | */ |
615a0d99 KL |
542 | @Override |
543 | public void onKeypress(final TKeypressEvent keypress) { | |
80b1b7b5 KL |
544 | if (hideMouseWhenTyping) { |
545 | typingHidMouse = true; | |
546 | } | |
34a42e78 KL |
547 | |
548 | // Scrollback up/down | |
549 | if (keypress.equals(kbShiftPgUp) | |
550 | || keypress.equals(kbCtrlPgUp) | |
551 | || keypress.equals(kbAltPgUp) | |
552 | ) { | |
56661844 | 553 | bigVerticalDecrement(); |
34a42e78 KL |
554 | return; |
555 | } | |
556 | if (keypress.equals(kbShiftPgDn) | |
557 | || keypress.equals(kbCtrlPgDn) | |
558 | || keypress.equals(kbAltPgDn) | |
559 | ) { | |
56661844 | 560 | bigVerticalIncrement(); |
34a42e78 KL |
561 | return; |
562 | } | |
563 | ||
ab215e38 KL |
564 | if (emulator.isReading()) { |
565 | // Get out of scrollback | |
566 | setVerticalValue(0); | |
567 | emulator.addUserEvent(keypress); | |
92554d64 | 568 | |
ab215e38 KL |
569 | // UGLY HACK TIME! cmd.exe needs CRLF, not just CR, so if |
570 | // this is kBEnter then also send kbCtrlJ. | |
c348e2b5 KL |
571 | if (keypress.equals(kbEnter)) { |
572 | if (System.getProperty("os.name").startsWith("Windows") | |
573 | && (System.getProperty("jexer.TTerminal.cmdHack", | |
574 | "true").equals("true")) | |
575 | ) { | |
ab215e38 | 576 | emulator.addUserEvent(new TKeypressEvent(kbCtrlJ)); |
92554d64 | 577 | } |
34a42e78 | 578 | } |
ab215e38 KL |
579 | |
580 | readEmulatorState(); | |
581 | return; | |
34a42e78 KL |
582 | } |
583 | ||
584 | // Process is closed, honor "normal" TUI keystrokes | |
585 | super.onKeypress(keypress); | |
586 | } | |
587 | ||
588 | /** | |
589 | * Handle mouse press events. | |
590 | * | |
591 | * @param mouse mouse button press event | |
592 | */ | |
593 | @Override | |
594 | public void onMouseDown(final TMouseEvent mouse) { | |
bd8d51fa KL |
595 | if (inWindowMove || inWindowResize) { |
596 | // TWindow needs to deal with this. | |
597 | super.onMouseDown(mouse); | |
598 | return; | |
599 | } | |
34a42e78 | 600 | |
80b1b7b5 KL |
601 | if (hideMouseWhenTyping) { |
602 | typingHidMouse = false; | |
603 | } | |
604 | ||
69a8c368 KL |
605 | // If the emulator is tracking mouse buttons, it needs to see wheel |
606 | // events. | |
607 | if (emulator.getMouseProtocol() == ECMA48.MouseProtocol.OFF) { | |
608 | if (mouse.isMouseWheelUp()) { | |
609 | verticalDecrement(); | |
610 | return; | |
611 | } | |
612 | if (mouse.isMouseWheelDown()) { | |
613 | verticalIncrement(); | |
614 | return; | |
615 | } | |
34a42e78 | 616 | } |
bd8d51fa | 617 | if (mouseOnEmulator(mouse)) { |
ab215e38 KL |
618 | mouse.setX(mouse.getX() - 1); |
619 | mouse.setY(mouse.getY() - 1); | |
620 | emulator.addUserEvent(mouse); | |
621 | readEmulatorState(); | |
622 | return; | |
bd8d51fa | 623 | } |
34a42e78 | 624 | |
bd8d51fa | 625 | // Emulator didn't consume it, pass it on |
34a42e78 KL |
626 | super.onMouseDown(mouse); |
627 | } | |
628 | ||
bd8d51fa KL |
629 | /** |
630 | * Handle mouse release events. | |
631 | * | |
632 | * @param mouse mouse button release event | |
633 | */ | |
634 | @Override | |
635 | public void onMouseUp(final TMouseEvent mouse) { | |
636 | if (inWindowMove || inWindowResize) { | |
637 | // TWindow needs to deal with this. | |
638 | super.onMouseUp(mouse); | |
639 | return; | |
640 | } | |
641 | ||
80b1b7b5 KL |
642 | if (hideMouseWhenTyping) { |
643 | typingHidMouse = false; | |
644 | } | |
645 | ||
bd8d51fa | 646 | if (mouseOnEmulator(mouse)) { |
ab215e38 KL |
647 | mouse.setX(mouse.getX() - 1); |
648 | mouse.setY(mouse.getY() - 1); | |
649 | emulator.addUserEvent(mouse); | |
650 | readEmulatorState(); | |
651 | return; | |
bd8d51fa KL |
652 | } |
653 | ||
654 | // Emulator didn't consume it, pass it on | |
655 | super.onMouseUp(mouse); | |
656 | } | |
657 | ||
658 | /** | |
659 | * Handle mouse motion events. | |
660 | * | |
661 | * @param mouse mouse motion event | |
662 | */ | |
663 | @Override | |
664 | public void onMouseMotion(final TMouseEvent mouse) { | |
665 | if (inWindowMove || inWindowResize) { | |
666 | // TWindow needs to deal with this. | |
667 | super.onMouseMotion(mouse); | |
668 | return; | |
669 | } | |
670 | ||
80b1b7b5 KL |
671 | if (hideMouseWhenTyping) { |
672 | typingHidMouse = false; | |
673 | } | |
674 | ||
bd8d51fa | 675 | if (mouseOnEmulator(mouse)) { |
ab215e38 KL |
676 | mouse.setX(mouse.getX() - 1); |
677 | mouse.setY(mouse.getY() - 1); | |
678 | emulator.addUserEvent(mouse); | |
679 | readEmulatorState(); | |
680 | return; | |
bd8d51fa KL |
681 | } |
682 | ||
683 | // Emulator didn't consume it, pass it on | |
684 | super.onMouseMotion(mouse); | |
685 | } | |
686 | ||
615a0d99 KL |
687 | // ------------------------------------------------------------------------ |
688 | // TTerminalWindow -------------------------------------------------------- | |
689 | // ------------------------------------------------------------------------ | |
690 | ||
80b1b7b5 KL |
691 | /** |
692 | * Returns true if this window does not want the application-wide mouse | |
693 | * cursor drawn over it. | |
694 | * | |
695 | * @return true if this window does not want the application-wide mouse | |
696 | * cursor drawn over it | |
697 | */ | |
698 | @Override | |
699 | public boolean hasHiddenMouse() { | |
700 | return (super.hasHiddenMouse() || typingHidMouse); | |
701 | } | |
702 | ||
615a0d99 KL |
703 | /** |
704 | * Claim the keystrokes the emulator will need. | |
705 | */ | |
706 | private void addShortcutKeys() { | |
707 | addShortcutKeypress(kbCtrlA); | |
708 | addShortcutKeypress(kbCtrlB); | |
709 | addShortcutKeypress(kbCtrlC); | |
710 | addShortcutKeypress(kbCtrlD); | |
711 | addShortcutKeypress(kbCtrlE); | |
712 | addShortcutKeypress(kbCtrlF); | |
713 | addShortcutKeypress(kbCtrlG); | |
714 | addShortcutKeypress(kbCtrlH); | |
715 | addShortcutKeypress(kbCtrlU); | |
716 | addShortcutKeypress(kbCtrlJ); | |
717 | addShortcutKeypress(kbCtrlK); | |
718 | addShortcutKeypress(kbCtrlL); | |
719 | addShortcutKeypress(kbCtrlM); | |
720 | addShortcutKeypress(kbCtrlN); | |
721 | addShortcutKeypress(kbCtrlO); | |
722 | addShortcutKeypress(kbCtrlP); | |
723 | addShortcutKeypress(kbCtrlQ); | |
724 | addShortcutKeypress(kbCtrlR); | |
725 | addShortcutKeypress(kbCtrlS); | |
726 | addShortcutKeypress(kbCtrlT); | |
727 | addShortcutKeypress(kbCtrlU); | |
728 | addShortcutKeypress(kbCtrlV); | |
729 | addShortcutKeypress(kbCtrlW); | |
730 | addShortcutKeypress(kbCtrlX); | |
731 | addShortcutKeypress(kbCtrlY); | |
732 | addShortcutKeypress(kbCtrlZ); | |
733 | addShortcutKeypress(kbF1); | |
734 | addShortcutKeypress(kbF2); | |
735 | addShortcutKeypress(kbF3); | |
736 | addShortcutKeypress(kbF4); | |
737 | addShortcutKeypress(kbF5); | |
738 | addShortcutKeypress(kbF6); | |
739 | addShortcutKeypress(kbF7); | |
740 | addShortcutKeypress(kbF8); | |
741 | addShortcutKeypress(kbF9); | |
742 | addShortcutKeypress(kbF10); | |
743 | addShortcutKeypress(kbF11); | |
744 | addShortcutKeypress(kbF12); | |
745 | addShortcutKeypress(kbAltA); | |
746 | addShortcutKeypress(kbAltB); | |
747 | addShortcutKeypress(kbAltC); | |
748 | addShortcutKeypress(kbAltD); | |
749 | addShortcutKeypress(kbAltE); | |
750 | addShortcutKeypress(kbAltF); | |
751 | addShortcutKeypress(kbAltG); | |
752 | addShortcutKeypress(kbAltH); | |
753 | addShortcutKeypress(kbAltU); | |
754 | addShortcutKeypress(kbAltJ); | |
755 | addShortcutKeypress(kbAltK); | |
756 | addShortcutKeypress(kbAltL); | |
757 | addShortcutKeypress(kbAltM); | |
758 | addShortcutKeypress(kbAltN); | |
759 | addShortcutKeypress(kbAltO); | |
760 | addShortcutKeypress(kbAltP); | |
761 | addShortcutKeypress(kbAltQ); | |
762 | addShortcutKeypress(kbAltR); | |
763 | addShortcutKeypress(kbAltS); | |
764 | addShortcutKeypress(kbAltT); | |
765 | addShortcutKeypress(kbAltU); | |
766 | addShortcutKeypress(kbAltV); | |
767 | addShortcutKeypress(kbAltW); | |
768 | addShortcutKeypress(kbAltX); | |
769 | addShortcutKeypress(kbAltY); | |
770 | addShortcutKeypress(kbAltZ); | |
771 | } | |
772 | ||
773 | /** | |
774 | * Convert a string array to a whitespace-separated string. | |
775 | * | |
776 | * @param array the string array | |
777 | * @return a single string | |
778 | */ | |
779 | private String stringArrayToString(final String [] array) { | |
780 | StringBuilder sb = new StringBuilder(array[0].length()); | |
781 | for (int i = 0; i < array.length; i++) { | |
782 | sb.append(array[i]); | |
783 | if (i < array.length - 1) { | |
784 | sb.append(' '); | |
785 | } | |
786 | } | |
787 | return sb.toString(); | |
788 | } | |
789 | ||
790 | /** | |
791 | * Spawn the shell. | |
792 | * | |
793 | * @param command the command line to execute | |
794 | */ | |
795 | private void spawnShell(final String [] command) { | |
796 | ||
797 | /* | |
798 | System.err.printf("spawnShell(): '%s'\n", | |
799 | stringArrayToString(command)); | |
800 | */ | |
801 | ||
802 | vScroller = new TVScroller(this, getWidth() - 2, 0, getHeight() - 2); | |
803 | setBottomValue(0); | |
804 | ||
805 | // Assume XTERM | |
806 | ECMA48.DeviceType deviceType = ECMA48.DeviceType.XTERM; | |
807 | ||
808 | try { | |
809 | ProcessBuilder pb = new ProcessBuilder(command); | |
810 | Map<String, String> env = pb.environment(); | |
811 | env.put("TERM", ECMA48.deviceTypeTerm(deviceType)); | |
812 | env.put("LANG", ECMA48.deviceTypeLang(deviceType, "en")); | |
813 | env.put("COLUMNS", "80"); | |
814 | env.put("LINES", "24"); | |
815 | pb.redirectErrorStream(true); | |
816 | shell = pb.start(); | |
817 | emulator = new ECMA48(deviceType, shell.getInputStream(), | |
818 | shell.getOutputStream(), this); | |
819 | } catch (IOException e) { | |
820 | messageBox(i18n.getString("errorLaunchingShellTitle"), | |
821 | MessageFormat.format(i18n.getString("errorLaunchingShellText"), | |
822 | e.getMessage())); | |
823 | } | |
824 | ||
825 | // Setup the scroll bars | |
826 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(), | |
827 | getHeight())); | |
828 | ||
829 | // Claim the keystrokes the emulator will need. | |
830 | addShortcutKeys(); | |
831 | ||
832 | // Add shortcut text | |
833 | newStatusBar(i18n.getString("statusBarRunning")); | |
5fc7bf09 KL |
834 | |
835 | // Pass the correct text cell width/height to the emulator | |
03ae544a KL |
836 | emulator.setTextWidth(getScreen().getTextWidth()); |
837 | emulator.setTextHeight(getScreen().getTextHeight()); | |
80b1b7b5 KL |
838 | |
839 | // Hide mouse when typing option | |
840 | if (System.getProperty("jexer.TTerminal.hideMouseWhenTyping", | |
841 | "true").equals("false")) { | |
842 | ||
843 | hideMouseWhenTyping = false; | |
844 | } | |
615a0d99 KL |
845 | } |
846 | ||
847 | /** | |
848 | * Terminate the child of the 'script' process used on POSIX. This may | |
849 | * or may not work. | |
850 | */ | |
851 | private void terminateShellChildProcess() { | |
852 | int pid = -1; | |
853 | if (shell.getClass().getName().equals("java.lang.UNIXProcess")) { | |
854 | /* get the PID on unix/linux systems */ | |
855 | try { | |
856 | Field field = shell.getClass().getDeclaredField("pid"); | |
857 | field.setAccessible(true); | |
858 | pid = field.getInt(shell); | |
859 | } catch (Throwable e) { | |
860 | // SQUASH, this didn't work. Just bail out quietly. | |
861 | return; | |
862 | } | |
863 | } | |
864 | if (pid != -1) { | |
865 | // shell.destroy() works successfully at killing this side of | |
866 | // 'script'. But we need to make sure the other side (child | |
867 | // process) is also killed. | |
868 | String [] cmdKillIt = { | |
869 | "pkill", "-P", Integer.toString(pid) | |
870 | }; | |
871 | try { | |
872 | Runtime.getRuntime().exec(cmdKillIt); | |
873 | } catch (Throwable e) { | |
874 | // SQUASH, this didn't work. Just bail out quietly. | |
875 | return; | |
876 | } | |
877 | } | |
878 | } | |
879 | ||
615a0d99 KL |
880 | /** |
881 | * Hook for subclasses to be notified of the shell termination. | |
882 | */ | |
883 | public void onShellExit() { | |
a69ed767 KL |
884 | if (closeOnExit) { |
885 | close(); | |
886 | } | |
615a0d99 KL |
887 | getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT)); |
888 | } | |
889 | ||
890 | /** | |
891 | * Copy out variables from the emulator that TTerminal has to expose on | |
892 | * screen. | |
893 | */ | |
894 | private void readEmulatorState() { | |
895 | // Synchronize against the emulator so we don't stomp on its reader | |
896 | // thread. | |
897 | synchronized (emulator) { | |
978a5d8f | 898 | setHiddenMouse(emulator.hasHiddenMousePointer()); |
9696a8f6 | 899 | |
615a0d99 KL |
900 | setCursorX(emulator.getCursorX() + 1); |
901 | setCursorY(emulator.getCursorY() + 1 | |
902 | + (getHeight() - 2 - emulator.getHeight()) | |
903 | - getVerticalValue()); | |
904 | setCursorVisible(emulator.isCursorVisible()); | |
905 | if (getCursorX() > getWidth() - 2) { | |
906 | setCursorVisible(false); | |
907 | } | |
908 | if ((getCursorY() > getHeight() - 2) || (getCursorY() < 0)) { | |
909 | setCursorVisible(false); | |
910 | } | |
911 | if (emulator.getScreenTitle().length() > 0) { | |
912 | // Only update the title if the shell is still alive | |
913 | if (shell != null) { | |
914 | setTitle(emulator.getScreenTitle()); | |
915 | } | |
916 | } | |
917 | ||
918 | // Check to see if the shell has died. | |
919 | if (!emulator.isReading() && (shell != null)) { | |
920 | try { | |
921 | int rc = shell.exitValue(); | |
922 | // The emulator exited on its own, all is fine | |
923 | setTitle(MessageFormat.format(i18n. | |
924 | getString("windowTitleCompleted"), getTitle(), rc)); | |
925 | shell = null; | |
926 | emulator.close(); | |
927 | clearShortcutKeypresses(); | |
928 | statusBar.setText(MessageFormat.format(i18n. | |
929 | getString("statusBarCompleted"), rc)); | |
930 | onShellExit(); | |
931 | } catch (IllegalThreadStateException e) { | |
932 | // The emulator thread has exited, but the shell Process | |
933 | // hasn't figured that out yet. Do nothing, we will see | |
934 | // this in a future tick. | |
935 | } | |
936 | } else if (emulator.isReading() && (shell != null)) { | |
937 | // The shell might be dead, let's check | |
938 | try { | |
939 | int rc = shell.exitValue(); | |
940 | // If we got here, the shell died. | |
941 | setTitle(MessageFormat.format(i18n. | |
942 | getString("windowTitleCompleted"), getTitle(), rc)); | |
943 | shell = null; | |
944 | emulator.close(); | |
945 | clearShortcutKeypresses(); | |
946 | statusBar.setText(MessageFormat.format(i18n. | |
947 | getString("statusBarCompleted"), rc)); | |
948 | onShellExit(); | |
949 | } catch (IllegalThreadStateException e) { | |
950 | // The shell is still running, do nothing. | |
951 | } | |
952 | } | |
953 | ||
954 | } // synchronized (emulator) | |
955 | } | |
956 | ||
957 | /** | |
958 | * Check if a mouse press/release/motion event coordinate is over the | |
959 | * emulator. | |
960 | * | |
961 | * @param mouse a mouse-based event | |
962 | * @return whether or not the mouse is on the emulator | |
963 | */ | |
c88c4ced | 964 | private boolean mouseOnEmulator(final TMouseEvent mouse) { |
615a0d99 | 965 | |
ab215e38 KL |
966 | if (!emulator.isReading()) { |
967 | return false; | |
615a0d99 KL |
968 | } |
969 | ||
970 | if ((mouse.getAbsoluteX() >= getAbsoluteX() + 1) | |
971 | && (mouse.getAbsoluteX() < getAbsoluteX() + getWidth() - 1) | |
972 | && (mouse.getAbsoluteY() >= getAbsoluteY() + 1) | |
973 | && (mouse.getAbsoluteY() < getAbsoluteY() + getHeight() - 1) | |
974 | ) { | |
975 | return true; | |
976 | } | |
977 | return false; | |
978 | } | |
979 | ||
ab215e38 KL |
980 | /** |
981 | * Copy a display buffer. | |
982 | * | |
983 | * @param buffer the buffer to copy | |
984 | * @return a deep copy of the buffer's data | |
985 | */ | |
986 | private List<DisplayLine> copyBuffer(final List<DisplayLine> buffer) { | |
987 | ArrayList<DisplayLine> result = new ArrayList<DisplayLine>(buffer.size()); | |
988 | for (DisplayLine line: buffer) { | |
989 | result.add(new DisplayLine(line)); | |
990 | } | |
991 | return result; | |
992 | } | |
993 | ||
d1115203 KL |
994 | /** |
995 | * Draw glyphs for a double-width or double-height VT100 cell to two | |
996 | * screen cells. | |
997 | * | |
998 | * @param line the line this VT100 cell is in | |
999 | * @param x the X position to draw the left half to | |
1000 | * @param y the Y position to draw to | |
1001 | * @param cell the cell to draw | |
1002 | */ | |
1003 | private void putDoubleWidthCharXY(final DisplayLine line, final int x, | |
1004 | final int y, final Cell cell) { | |
1005 | ||
03ae544a KL |
1006 | int textWidth = getScreen().getTextWidth(); |
1007 | int textHeight = getScreen().getTextHeight(); | |
b3d79e99 | 1008 | boolean cursorBlinkVisible = true; |
d1115203 KL |
1009 | |
1010 | if (getScreen() instanceof SwingTerminal) { | |
1011 | SwingTerminal terminal = (SwingTerminal) getScreen(); | |
b3d79e99 | 1012 | cursorBlinkVisible = terminal.getCursorBlinkVisible(); |
d1115203 KL |
1013 | } else if (getScreen() instanceof ECMA48Terminal) { |
1014 | ECMA48Terminal terminal = (ECMA48Terminal) getScreen(); | |
1015 | ||
5fc7bf09 KL |
1016 | if (!terminal.hasSixel()) { |
1017 | // The backend does not have sixel support, draw this as text | |
1018 | // and bail out. | |
1019 | putCharXY(x, y, cell); | |
1020 | putCharXY(x + 1, y, ' ', cell); | |
1021 | return; | |
1022 | } | |
b3d79e99 | 1023 | cursorBlinkVisible = blinkState; |
d1115203 KL |
1024 | } else { |
1025 | // We don't know how to dray glyphs to this screen, draw them as | |
1026 | // text and bail out. | |
1027 | putCharXY(x, y, cell); | |
1028 | putCharXY(x + 1, y, ' ', cell); | |
1029 | return; | |
1030 | } | |
1031 | ||
1032 | if ((textWidth != lastTextWidth) || (textHeight != lastTextHeight)) { | |
0d86ab84 KL |
1033 | // Screen size has changed, reset the font. |
1034 | setupFont(textHeight); | |
d1115203 KL |
1035 | lastTextWidth = textWidth; |
1036 | lastTextHeight = textHeight; | |
1037 | } | |
1038 | assert (doubleFont != null); | |
1039 | ||
0d86ab84 KL |
1040 | BufferedImage image; |
1041 | if (line.getDoubleHeight() == 1) { | |
1042 | // Double-height top half: don't draw the underline. | |
027de5ae | 1043 | Cell newCell = new Cell(cell); |
0d86ab84 KL |
1044 | newCell.setUnderline(false); |
1045 | image = doubleFont.getImage(newCell, textWidth * 2, textHeight * 2, | |
1046 | cursorBlinkVisible); | |
b3d79e99 | 1047 | } else { |
0d86ab84 KL |
1048 | image = doubleFont.getImage(cell, textWidth * 2, textHeight * 2, |
1049 | cursorBlinkVisible); | |
d1115203 KL |
1050 | } |
1051 | ||
1052 | // Now that we have the double-wide glyph drawn, copy the right | |
1053 | // pieces of it to the cells. | |
027de5ae KL |
1054 | Cell left = new Cell(cell); |
1055 | Cell right = new Cell(cell); | |
d1115203 KL |
1056 | right.setChar(' '); |
1057 | BufferedImage leftImage = null; | |
1058 | BufferedImage rightImage = null; | |
0d86ab84 KL |
1059 | /* |
1060 | System.err.println("image " + image + " textWidth " + textWidth + | |
1061 | " textHeight " + textHeight); | |
1062 | */ | |
1063 | ||
d1115203 KL |
1064 | switch (line.getDoubleHeight()) { |
1065 | case 1: | |
1066 | // Top half double height | |
1067 | leftImage = image.getSubimage(0, 0, textWidth, textHeight); | |
1068 | rightImage = image.getSubimage(textWidth, 0, textWidth, textHeight); | |
1069 | break; | |
1070 | case 2: | |
1071 | // Bottom half double height | |
1072 | leftImage = image.getSubimage(0, textHeight, textWidth, textHeight); | |
1073 | rightImage = image.getSubimage(textWidth, textHeight, | |
1074 | textWidth, textHeight); | |
1075 | break; | |
1076 | default: | |
1077 | // Either single height double-width, or error fallback | |
1078 | BufferedImage wideImage = new BufferedImage(textWidth * 2, | |
1079 | textHeight, BufferedImage.TYPE_INT_ARGB); | |
1080 | Graphics2D grWide = wideImage.createGraphics(); | |
1081 | grWide.drawImage(image, 0, 0, wideImage.getWidth(), | |
1082 | wideImage.getHeight(), null); | |
1083 | grWide.dispose(); | |
1084 | leftImage = wideImage.getSubimage(0, 0, textWidth, textHeight); | |
1085 | rightImage = wideImage.getSubimage(textWidth, 0, textWidth, | |
1086 | textHeight); | |
1087 | break; | |
1088 | } | |
1089 | left.setImage(leftImage); | |
1090 | right.setImage(rightImage); | |
49380c21 KL |
1091 | // Since we have image data, ditch the character here. Otherwise, a |
1092 | // drawBoxShadow() over the terminal window will show the characters | |
1093 | // which looks wrong. | |
1094 | left.setChar(' '); | |
1095 | right.setChar(' '); | |
d1115203 KL |
1096 | putCharXY(x, y, left); |
1097 | putCharXY(x + 1, y, right); | |
1098 | } | |
1099 | ||
1100 | /** | |
0d86ab84 | 1101 | * Set up the double-width font. |
d1115203 KL |
1102 | * |
1103 | * @param fontSize the size of font to request for the single-width font. | |
1104 | * The double-width font will be 2x this value. | |
1105 | */ | |
0d86ab84 | 1106 | private void setupFont(final int fontSize) { |
9588c713 | 1107 | doubleFont = GlyphMaker.getInstance(fontSize * 2); |
b3d79e99 KL |
1108 | |
1109 | // Special case: the ECMA48 backend needs to have a timer to drive | |
1110 | // its blink state. | |
1111 | if (getScreen() instanceof jexer.backend.ECMA48Terminal) { | |
0d86ab84 KL |
1112 | if (!haveTimer) { |
1113 | // Blink every 500 millis. | |
1114 | long millis = 500; | |
1115 | getApplication().addTimer(millis, true, | |
1116 | new TAction() { | |
1117 | public void DO() { | |
1118 | blinkState = !blinkState; | |
1119 | getApplication().doRepaint(); | |
1120 | } | |
b3d79e99 | 1121 | } |
0d86ab84 KL |
1122 | ); |
1123 | haveTimer = true; | |
1124 | } | |
b3d79e99 | 1125 | } |
d1115203 KL |
1126 | } |
1127 | ||
ab215e38 KL |
1128 | // ------------------------------------------------------------------------ |
1129 | // DisplayListener -------------------------------------------------------- | |
1130 | // ------------------------------------------------------------------------ | |
1131 | ||
1132 | /** | |
1133 | * Called by emulator when fresh data has come in. | |
1134 | */ | |
1135 | public void displayChanged() { | |
1136 | dirty = true; | |
1137 | getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT)); | |
1138 | } | |
1139 | ||
1140 | /** | |
1141 | * Function to call to obtain the display width. | |
1142 | * | |
1143 | * @return the number of columns in the display | |
1144 | */ | |
1145 | public int getDisplayWidth() { | |
1146 | if (ptypipe) { | |
1147 | return getWidth() - 2; | |
1148 | } | |
1149 | return 80; | |
1150 | } | |
1151 | ||
1152 | /** | |
1153 | * Function to call to obtain the display height. | |
1154 | * | |
1155 | * @return the number of rows in the display | |
1156 | */ | |
1157 | public int getDisplayHeight() { | |
1158 | if (ptypipe) { | |
1159 | return getHeight() - 2; | |
1160 | } | |
1161 | return 24; | |
1162 | } | |
1163 | ||
34a42e78 | 1164 | } |