| 1 | /* |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * The MIT License (MIT) |
| 5 | * |
| 6 | * Copyright (C) 2017 Kevin Lamonte |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 9 | * copy of this software and associated documentation files (the "Software"), |
| 10 | * to deal in the Software without restriction, including without limitation |
| 11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 12 | * and/or sell copies of the Software, and to permit persons to whom the |
| 13 | * Software is furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 24 | * DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] |
| 27 | * @version 1 |
| 28 | */ |
| 29 | package jexer.backend; |
| 30 | |
| 31 | import java.awt.BorderLayout; |
| 32 | import java.awt.Color; |
| 33 | import java.awt.Font; |
| 34 | import java.awt.FontMetrics; |
| 35 | import java.awt.Graphics2D; |
| 36 | import java.awt.Graphics; |
| 37 | import java.awt.Insets; |
| 38 | import java.awt.Rectangle; |
| 39 | import java.awt.Toolkit; |
| 40 | import java.awt.event.ComponentEvent; |
| 41 | import java.awt.event.ComponentListener; |
| 42 | import java.awt.event.KeyEvent; |
| 43 | import java.awt.event.KeyListener; |
| 44 | import java.awt.event.MouseEvent; |
| 45 | import java.awt.event.MouseListener; |
| 46 | import java.awt.event.MouseMotionListener; |
| 47 | import java.awt.event.MouseWheelEvent; |
| 48 | import java.awt.event.MouseWheelListener; |
| 49 | import java.awt.event.WindowEvent; |
| 50 | import java.awt.event.WindowListener; |
| 51 | import java.awt.geom.Rectangle2D; |
| 52 | import java.awt.image.BufferedImage; |
| 53 | import java.io.InputStream; |
| 54 | import java.util.HashMap; |
| 55 | import java.util.LinkedList; |
| 56 | import java.util.List; |
| 57 | import javax.swing.JComponent; |
| 58 | import javax.swing.JFrame; |
| 59 | import javax.swing.SwingUtilities; |
| 60 | |
| 61 | import jexer.TKeypress; |
| 62 | import jexer.bits.Cell; |
| 63 | import jexer.bits.CellAttributes; |
| 64 | import jexer.event.TCommandEvent; |
| 65 | import jexer.event.TInputEvent; |
| 66 | import jexer.event.TKeypressEvent; |
| 67 | import jexer.event.TMouseEvent; |
| 68 | import jexer.event.TResizeEvent; |
| 69 | import static jexer.TCommand.*; |
| 70 | import static jexer.TKeypress.*; |
| 71 | |
| 72 | /** |
| 73 | * This Screen backend reads keystrokes and mouse events and draws to either |
| 74 | * a Java Swing JFrame (potentially triple-buffered) or a JComponent. |
| 75 | * |
| 76 | * This class is a bit of an inversion of typical GUI classes. It performs |
| 77 | * all of the drawing logic from SwingTerminal (which is not a Swing class), |
| 78 | * and uses a SwingComponent wrapper class to call the JFrame or JComponent |
| 79 | * methods. |
| 80 | */ |
| 81 | public final class SwingTerminal extends LogicalScreen |
| 82 | implements TerminalReader, |
| 83 | ComponentListener, KeyListener, |
| 84 | MouseListener, MouseMotionListener, |
| 85 | MouseWheelListener, WindowListener { |
| 86 | |
| 87 | /** |
| 88 | * The Swing component or frame to draw to. |
| 89 | */ |
| 90 | private SwingComponent swing; |
| 91 | |
| 92 | // ------------------------------------------------------------------------ |
| 93 | // Screen ----------------------------------------------------------------- |
| 94 | // ------------------------------------------------------------------------ |
| 95 | |
| 96 | /** |
| 97 | * Cursor style to draw. |
| 98 | */ |
| 99 | public enum CursorStyle { |
| 100 | /** |
| 101 | * Use an underscore for the cursor. |
| 102 | */ |
| 103 | UNDERLINE, |
| 104 | |
| 105 | /** |
| 106 | * Use a solid block for the cursor. |
| 107 | */ |
| 108 | BLOCK, |
| 109 | |
| 110 | /** |
| 111 | * Use an outlined block for the cursor. |
| 112 | */ |
| 113 | OUTLINE |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * A cache of previously-rendered glyphs for blinking text, when it is |
| 118 | * not visible. |
| 119 | */ |
| 120 | private HashMap<Cell, BufferedImage> glyphCacheBlink; |
| 121 | |
| 122 | /** |
| 123 | * A cache of previously-rendered glyphs for non-blinking, or |
| 124 | * blinking-and-visible, text. |
| 125 | */ |
| 126 | private HashMap<Cell, BufferedImage> glyphCache; |
| 127 | |
| 128 | // Colors to map DOS colors to AWT colors. |
| 129 | private static Color MYBLACK; |
| 130 | private static Color MYRED; |
| 131 | private static Color MYGREEN; |
| 132 | private static Color MYYELLOW; |
| 133 | private static Color MYBLUE; |
| 134 | private static Color MYMAGENTA; |
| 135 | private static Color MYCYAN; |
| 136 | private static Color MYWHITE; |
| 137 | private static Color MYBOLD_BLACK; |
| 138 | private static Color MYBOLD_RED; |
| 139 | private static Color MYBOLD_GREEN; |
| 140 | private static Color MYBOLD_YELLOW; |
| 141 | private static Color MYBOLD_BLUE; |
| 142 | private static Color MYBOLD_MAGENTA; |
| 143 | private static Color MYBOLD_CYAN; |
| 144 | private static Color MYBOLD_WHITE; |
| 145 | |
| 146 | /** |
| 147 | * When true, all the MYBLACK, MYRED, etc. colors are set. |
| 148 | */ |
| 149 | private static boolean dosColors = false; |
| 150 | |
| 151 | /** |
| 152 | * Setup Swing colors to match DOS color palette. |
| 153 | */ |
| 154 | private static void setDOSColors() { |
| 155 | if (dosColors) { |
| 156 | return; |
| 157 | } |
| 158 | MYBLACK = new Color(0x00, 0x00, 0x00); |
| 159 | MYRED = new Color(0xa8, 0x00, 0x00); |
| 160 | MYGREEN = new Color(0x00, 0xa8, 0x00); |
| 161 | MYYELLOW = new Color(0xa8, 0x54, 0x00); |
| 162 | MYBLUE = new Color(0x00, 0x00, 0xa8); |
| 163 | MYMAGENTA = new Color(0xa8, 0x00, 0xa8); |
| 164 | MYCYAN = new Color(0x00, 0xa8, 0xa8); |
| 165 | MYWHITE = new Color(0xa8, 0xa8, 0xa8); |
| 166 | MYBOLD_BLACK = new Color(0x54, 0x54, 0x54); |
| 167 | MYBOLD_RED = new Color(0xfc, 0x54, 0x54); |
| 168 | MYBOLD_GREEN = new Color(0x54, 0xfc, 0x54); |
| 169 | MYBOLD_YELLOW = new Color(0xfc, 0xfc, 0x54); |
| 170 | MYBOLD_BLUE = new Color(0x54, 0x54, 0xfc); |
| 171 | MYBOLD_MAGENTA = new Color(0xfc, 0x54, 0xfc); |
| 172 | MYBOLD_CYAN = new Color(0x54, 0xfc, 0xfc); |
| 173 | MYBOLD_WHITE = new Color(0xfc, 0xfc, 0xfc); |
| 174 | |
| 175 | dosColors = true; |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * The terminus font resource filename. |
| 180 | */ |
| 181 | private static final String FONTFILE = "terminus-ttf-4.39/TerminusTTF-Bold-4.39.ttf"; |
| 182 | |
| 183 | /** |
| 184 | * If true, we were successful getting Terminus. |
| 185 | */ |
| 186 | private boolean gotTerminus = false; |
| 187 | |
| 188 | /** |
| 189 | * If true, we were successful at getting the font dimensions. |
| 190 | */ |
| 191 | private boolean gotFontDimensions = false; |
| 192 | |
| 193 | /** |
| 194 | * The currently selected font. |
| 195 | */ |
| 196 | private Font font = null; |
| 197 | |
| 198 | /** |
| 199 | * The currently selected font size in points. |
| 200 | */ |
| 201 | private int fontSize = 16; |
| 202 | |
| 203 | /** |
| 204 | * Width of a character cell in pixels. |
| 205 | */ |
| 206 | private int textWidth = 1; |
| 207 | |
| 208 | /** |
| 209 | * Height of a character cell in pixels. |
| 210 | */ |
| 211 | private int textHeight = 1; |
| 212 | |
| 213 | /** |
| 214 | * Descent of a character cell in pixels. |
| 215 | */ |
| 216 | private int maxDescent = 0; |
| 217 | |
| 218 | /** |
| 219 | * System-dependent Y adjustment for text in the character cell. |
| 220 | */ |
| 221 | private int textAdjustY = 0; |
| 222 | |
| 223 | /** |
| 224 | * System-dependent X adjustment for text in the character cell. |
| 225 | */ |
| 226 | private int textAdjustX = 0; |
| 227 | |
| 228 | /** |
| 229 | * Top pixel absolute location. |
| 230 | */ |
| 231 | private int top = 30; |
| 232 | |
| 233 | /** |
| 234 | * Left pixel absolute location. |
| 235 | */ |
| 236 | private int left = 30; |
| 237 | |
| 238 | /** |
| 239 | * The cursor style to draw. |
| 240 | */ |
| 241 | private CursorStyle cursorStyle = CursorStyle.UNDERLINE; |
| 242 | |
| 243 | /** |
| 244 | * The number of millis to wait before switching the blink from visible |
| 245 | * to invisible. Set to 0 or negative to disable blinking. |
| 246 | */ |
| 247 | private long blinkMillis = 500; |
| 248 | |
| 249 | /** |
| 250 | * Get the number of millis to wait before switching the blink from |
| 251 | * visible to invisible. |
| 252 | * |
| 253 | * @return the number of milli to wait before switching the blink from |
| 254 | * visible to invisible |
| 255 | */ |
| 256 | public long getBlinkMillis() { |
| 257 | return blinkMillis; |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * If true, the cursor should be visible right now based on the blink |
| 262 | * time. |
| 263 | */ |
| 264 | private boolean cursorBlinkVisible = true; |
| 265 | |
| 266 | /** |
| 267 | * The time that the blink last flipped from visible to invisible or |
| 268 | * from invisible to visible. |
| 269 | */ |
| 270 | private long lastBlinkTime = 0; |
| 271 | |
| 272 | /** |
| 273 | * Get the font size in points. |
| 274 | * |
| 275 | * @return font size in points |
| 276 | */ |
| 277 | public int getFontSize() { |
| 278 | return fontSize; |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Set the font size in points. |
| 283 | * |
| 284 | * @param fontSize font size in points |
| 285 | */ |
| 286 | public void setFontSize(final int fontSize) { |
| 287 | this.fontSize = fontSize; |
| 288 | Font newFont = font.deriveFont((float) fontSize); |
| 289 | setFont(newFont); |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Set to a new font, and resize the screen to match its dimensions. |
| 294 | * |
| 295 | * @param font the new font |
| 296 | */ |
| 297 | public void setFont(final Font font) { |
| 298 | this.font = font; |
| 299 | getFontDimensions(); |
| 300 | swing.setFont(font); |
| 301 | glyphCacheBlink = new HashMap<Cell, BufferedImage>(); |
| 302 | glyphCache = new HashMap<Cell, BufferedImage>(); |
| 303 | resizeToScreen(); |
| 304 | } |
| 305 | |
| 306 | /** |
| 307 | * Set the font to Terminus, the best all-around font for both CP437 and |
| 308 | * ISO8859-1. |
| 309 | */ |
| 310 | public void getDefaultFont() { |
| 311 | try { |
| 312 | ClassLoader loader = Thread.currentThread(). |
| 313 | getContextClassLoader(); |
| 314 | InputStream in = loader.getResourceAsStream(FONTFILE); |
| 315 | Font terminusRoot = Font.createFont(Font.TRUETYPE_FONT, in); |
| 316 | Font terminus = terminusRoot.deriveFont(Font.PLAIN, fontSize); |
| 317 | gotTerminus = true; |
| 318 | font = terminus; |
| 319 | } catch (Exception e) { |
| 320 | e.printStackTrace(); |
| 321 | font = new Font(Font.MONOSPACED, Font.PLAIN, fontSize); |
| 322 | } |
| 323 | |
| 324 | setFont(font); |
| 325 | } |
| 326 | |
| 327 | /** |
| 328 | * Convert a CellAttributes foreground color to an Swing Color. |
| 329 | * |
| 330 | * @param attr the text attributes |
| 331 | * @return the Swing Color |
| 332 | */ |
| 333 | private Color attrToForegroundColor(final CellAttributes attr) { |
| 334 | if (attr.isBold()) { |
| 335 | if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) { |
| 336 | return MYBOLD_BLACK; |
| 337 | } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) { |
| 338 | return MYBOLD_RED; |
| 339 | } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) { |
| 340 | return MYBOLD_BLUE; |
| 341 | } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) { |
| 342 | return MYBOLD_GREEN; |
| 343 | } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) { |
| 344 | return MYBOLD_YELLOW; |
| 345 | } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) { |
| 346 | return MYBOLD_CYAN; |
| 347 | } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) { |
| 348 | return MYBOLD_MAGENTA; |
| 349 | } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) { |
| 350 | return MYBOLD_WHITE; |
| 351 | } |
| 352 | } else { |
| 353 | if (attr.getForeColor().equals(jexer.bits.Color.BLACK)) { |
| 354 | return MYBLACK; |
| 355 | } else if (attr.getForeColor().equals(jexer.bits.Color.RED)) { |
| 356 | return MYRED; |
| 357 | } else if (attr.getForeColor().equals(jexer.bits.Color.BLUE)) { |
| 358 | return MYBLUE; |
| 359 | } else if (attr.getForeColor().equals(jexer.bits.Color.GREEN)) { |
| 360 | return MYGREEN; |
| 361 | } else if (attr.getForeColor().equals(jexer.bits.Color.YELLOW)) { |
| 362 | return MYYELLOW; |
| 363 | } else if (attr.getForeColor().equals(jexer.bits.Color.CYAN)) { |
| 364 | return MYCYAN; |
| 365 | } else if (attr.getForeColor().equals(jexer.bits.Color.MAGENTA)) { |
| 366 | return MYMAGENTA; |
| 367 | } else if (attr.getForeColor().equals(jexer.bits.Color.WHITE)) { |
| 368 | return MYWHITE; |
| 369 | } |
| 370 | } |
| 371 | throw new IllegalArgumentException("Invalid color: " + |
| 372 | attr.getForeColor().getValue()); |
| 373 | } |
| 374 | |
| 375 | /** |
| 376 | * Convert a CellAttributes background color to an Swing Color. |
| 377 | * |
| 378 | * @param attr the text attributes |
| 379 | * @return the Swing Color |
| 380 | */ |
| 381 | private Color attrToBackgroundColor(final CellAttributes attr) { |
| 382 | if (attr.getBackColor().equals(jexer.bits.Color.BLACK)) { |
| 383 | return MYBLACK; |
| 384 | } else if (attr.getBackColor().equals(jexer.bits.Color.RED)) { |
| 385 | return MYRED; |
| 386 | } else if (attr.getBackColor().equals(jexer.bits.Color.BLUE)) { |
| 387 | return MYBLUE; |
| 388 | } else if (attr.getBackColor().equals(jexer.bits.Color.GREEN)) { |
| 389 | return MYGREEN; |
| 390 | } else if (attr.getBackColor().equals(jexer.bits.Color.YELLOW)) { |
| 391 | return MYYELLOW; |
| 392 | } else if (attr.getBackColor().equals(jexer.bits.Color.CYAN)) { |
| 393 | return MYCYAN; |
| 394 | } else if (attr.getBackColor().equals(jexer.bits.Color.MAGENTA)) { |
| 395 | return MYMAGENTA; |
| 396 | } else if (attr.getBackColor().equals(jexer.bits.Color.WHITE)) { |
| 397 | return MYWHITE; |
| 398 | } |
| 399 | throw new IllegalArgumentException("Invalid color: " + |
| 400 | attr.getBackColor().getValue()); |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Figure out what textAdjustX and textAdjustY should be, based on the |
| 405 | * location of a vertical bar (to find textAdjustY) and a horizontal bar |
| 406 | * (to find textAdjustX). |
| 407 | * |
| 408 | * @return true if textAdjustX and textAdjustY were guessed at correctly |
| 409 | */ |
| 410 | private boolean getFontAdjustments() { |
| 411 | BufferedImage image = null; |
| 412 | |
| 413 | // What SHOULD happen is that the topmost/leftmost white pixel is at |
| 414 | // position (gr2x, gr2y). But it might also be off by a pixel in |
| 415 | // either direction. |
| 416 | |
| 417 | Graphics2D gr2 = null; |
| 418 | int gr2x = 3; |
| 419 | int gr2y = 3; |
| 420 | image = new BufferedImage(textWidth * 2, textHeight * 2, |
| 421 | BufferedImage.TYPE_INT_ARGB); |
| 422 | |
| 423 | gr2 = image.createGraphics(); |
| 424 | gr2.setFont(swing.getFont()); |
| 425 | gr2.setColor(java.awt.Color.BLACK); |
| 426 | gr2.fillRect(0, 0, textWidth * 2, textHeight * 2); |
| 427 | gr2.setColor(java.awt.Color.WHITE); |
| 428 | char [] chars = new char[1]; |
| 429 | chars[0] = jexer.bits.GraphicsChars.VERTICAL_BAR; |
| 430 | gr2.drawChars(chars, 0, 1, gr2x, gr2y + textHeight - maxDescent); |
| 431 | gr2.dispose(); |
| 432 | |
| 433 | for (int x = 0; x < textWidth; x++) { |
| 434 | for (int y = 0; y < textHeight; y++) { |
| 435 | |
| 436 | /* |
| 437 | System.err.println("X: " + x + " Y: " + y + " " + |
| 438 | image.getRGB(x, y)); |
| 439 | */ |
| 440 | |
| 441 | if ((image.getRGB(x, y) & 0xFFFFFF) != 0) { |
| 442 | textAdjustY = (gr2y - y); |
| 443 | |
| 444 | // System.err.println("textAdjustY: " + textAdjustY); |
| 445 | x = textWidth; |
| 446 | break; |
| 447 | } |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | gr2 = image.createGraphics(); |
| 452 | gr2.setFont(swing.getFont()); |
| 453 | gr2.setColor(java.awt.Color.BLACK); |
| 454 | gr2.fillRect(0, 0, textWidth * 2, textHeight * 2); |
| 455 | gr2.setColor(java.awt.Color.WHITE); |
| 456 | chars[0] = jexer.bits.GraphicsChars.SINGLE_BAR; |
| 457 | gr2.drawChars(chars, 0, 1, gr2x, gr2y + textHeight - maxDescent); |
| 458 | gr2.dispose(); |
| 459 | |
| 460 | for (int x = 0; x < textWidth; x++) { |
| 461 | for (int y = 0; y < textHeight; y++) { |
| 462 | |
| 463 | /* |
| 464 | System.err.println("X: " + x + " Y: " + y + " " + |
| 465 | image.getRGB(x, y)); |
| 466 | */ |
| 467 | |
| 468 | if ((image.getRGB(x, y) & 0xFFFFFF) != 0) { |
| 469 | textAdjustX = (gr2x - x); |
| 470 | |
| 471 | // System.err.println("textAdjustX: " + textAdjustX); |
| 472 | return true; |
| 473 | } |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | // Something weird happened, don't rely on this function. |
| 478 | // System.err.println("getFontAdjustments: false"); |
| 479 | return false; |
| 480 | } |
| 481 | |
| 482 | /** |
| 483 | * Figure out my font dimensions. This code path works OK for the JFrame |
| 484 | * case, and can be called immediately after JFrame creation. |
| 485 | */ |
| 486 | private void getFontDimensions() { |
| 487 | swing.setFont(font); |
| 488 | Graphics gr = swing.getGraphics(); |
| 489 | if (gr == null) { |
| 490 | return; |
| 491 | } |
| 492 | getFontDimensions(gr); |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * Figure out my font dimensions. This code path is needed to lazy-load |
| 497 | * the information inside paint(). |
| 498 | * |
| 499 | * @param gr Graphics object to use |
| 500 | */ |
| 501 | private void getFontDimensions(final Graphics gr) { |
| 502 | swing.setFont(font); |
| 503 | FontMetrics fm = gr.getFontMetrics(); |
| 504 | maxDescent = fm.getMaxDescent(); |
| 505 | Rectangle2D bounds = fm.getMaxCharBounds(gr); |
| 506 | int leading = fm.getLeading(); |
| 507 | textWidth = (int)Math.round(bounds.getWidth()); |
| 508 | // textHeight = (int)Math.round(bounds.getHeight()) - maxDescent; |
| 509 | |
| 510 | // This produces the same number, but works better for ugly |
| 511 | // monospace. |
| 512 | textHeight = fm.getMaxAscent() + maxDescent - leading; |
| 513 | |
| 514 | if (gotTerminus == true) { |
| 515 | textHeight++; |
| 516 | } |
| 517 | |
| 518 | if (getFontAdjustments() == false) { |
| 519 | // We were unable to programmatically determine textAdjustX and |
| 520 | // textAdjustY, so try some guesses based on VM vendor. |
| 521 | String runtime = System.getProperty("java.runtime.name"); |
| 522 | if ((runtime != null) && (runtime.contains("Java(TM)"))) { |
| 523 | textAdjustY = -1; |
| 524 | textAdjustX = 0; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | if (sessionInfo != null) { |
| 529 | sessionInfo.setTextCellDimensions(textWidth, textHeight); |
| 530 | } |
| 531 | gotFontDimensions = true; |
| 532 | } |
| 533 | |
| 534 | /** |
| 535 | * Resize to font dimensions. |
| 536 | */ |
| 537 | public void resizeToScreen() { |
| 538 | swing.setDimensions(textWidth * width, textHeight * height); |
| 539 | } |
| 540 | |
| 541 | /** |
| 542 | * Draw one glyph to the screen. |
| 543 | * |
| 544 | * @param gr the Swing Graphics context |
| 545 | * @param cell the Cell to draw |
| 546 | * @param xPixel the x-coordinate to render to. 0 means the |
| 547 | * left-most pixel column. |
| 548 | * @param yPixel the y-coordinate to render to. 0 means the top-most |
| 549 | * pixel row. |
| 550 | */ |
| 551 | private void drawGlyph(final Graphics gr, final Cell cell, |
| 552 | final int xPixel, final int yPixel) { |
| 553 | |
| 554 | /* |
| 555 | System.err.println("drawGlyph(): " + xPixel + " " + yPixel + |
| 556 | " " + cell); |
| 557 | */ |
| 558 | |
| 559 | BufferedImage image = null; |
| 560 | if (cell.isBlink() && !cursorBlinkVisible) { |
| 561 | image = glyphCacheBlink.get(cell); |
| 562 | } else { |
| 563 | image = glyphCache.get(cell); |
| 564 | } |
| 565 | if (image != null) { |
| 566 | if (swing.getFrame() != null) { |
| 567 | gr.drawImage(image, xPixel, yPixel, swing.getFrame()); |
| 568 | } else { |
| 569 | gr.drawImage(image, xPixel, yPixel, swing.getComponent()); |
| 570 | } |
| 571 | return; |
| 572 | } |
| 573 | |
| 574 | // Generate glyph and draw it. |
| 575 | Graphics2D gr2 = null; |
| 576 | int gr2x = xPixel; |
| 577 | int gr2y = yPixel; |
| 578 | if ((SwingComponent.tripleBuffer) && (swing.getFrame() != null)) { |
| 579 | image = new BufferedImage(textWidth, textHeight, |
| 580 | BufferedImage.TYPE_INT_ARGB); |
| 581 | gr2 = image.createGraphics(); |
| 582 | gr2.setFont(swing.getFont()); |
| 583 | gr2x = 0; |
| 584 | gr2y = 0; |
| 585 | } else { |
| 586 | gr2 = (Graphics2D) gr; |
| 587 | } |
| 588 | |
| 589 | Cell cellColor = new Cell(); |
| 590 | cellColor.setTo(cell); |
| 591 | |
| 592 | // Check for reverse |
| 593 | if (cell.isReverse()) { |
| 594 | cellColor.setForeColor(cell.getBackColor()); |
| 595 | cellColor.setBackColor(cell.getForeColor()); |
| 596 | } |
| 597 | |
| 598 | // Draw the background rectangle, then the foreground character. |
| 599 | gr2.setColor(attrToBackgroundColor(cellColor)); |
| 600 | gr2.fillRect(gr2x, gr2y, textWidth, textHeight); |
| 601 | |
| 602 | // Handle blink and underline |
| 603 | if (!cell.isBlink() |
| 604 | || (cell.isBlink() && cursorBlinkVisible) |
| 605 | ) { |
| 606 | gr2.setColor(attrToForegroundColor(cellColor)); |
| 607 | char [] chars = new char[1]; |
| 608 | chars[0] = cell.getChar(); |
| 609 | gr2.drawChars(chars, 0, 1, gr2x + textAdjustX, |
| 610 | gr2y + textHeight - maxDescent + textAdjustY); |
| 611 | |
| 612 | if (cell.isUnderline()) { |
| 613 | gr2.fillRect(gr2x, gr2y + textHeight - 2, textWidth, 2); |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | if ((SwingComponent.tripleBuffer) && (swing.getFrame() != null)) { |
| 618 | gr2.dispose(); |
| 619 | |
| 620 | // We need a new key that will not be mutated by |
| 621 | // invertCell(). |
| 622 | Cell key = new Cell(); |
| 623 | key.setTo(cell); |
| 624 | if (cell.isBlink() && !cursorBlinkVisible) { |
| 625 | glyphCacheBlink.put(key, image); |
| 626 | } else { |
| 627 | glyphCache.put(key, image); |
| 628 | } |
| 629 | |
| 630 | if (swing.getFrame() != null) { |
| 631 | gr.drawImage(image, xPixel, yPixel, swing.getFrame()); |
| 632 | } else { |
| 633 | gr.drawImage(image, xPixel, yPixel, swing.getComponent()); |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Check if the cursor is visible, and if so draw it. |
| 641 | * |
| 642 | * @param gr the Swing Graphics context |
| 643 | */ |
| 644 | private void drawCursor(final Graphics gr) { |
| 645 | |
| 646 | if (cursorVisible |
| 647 | && (cursorY >= 0) |
| 648 | && (cursorX >= 0) |
| 649 | && (cursorY <= height - 1) |
| 650 | && (cursorX <= width - 1) |
| 651 | && cursorBlinkVisible |
| 652 | ) { |
| 653 | int xPixel = cursorX * textWidth + left; |
| 654 | int yPixel = cursorY * textHeight + top; |
| 655 | Cell lCell = logical[cursorX][cursorY]; |
| 656 | gr.setColor(attrToForegroundColor(lCell)); |
| 657 | switch (cursorStyle) { |
| 658 | default: |
| 659 | // Fall through... |
| 660 | case UNDERLINE: |
| 661 | gr.fillRect(xPixel, yPixel + textHeight - 2, textWidth, 2); |
| 662 | break; |
| 663 | case BLOCK: |
| 664 | gr.fillRect(xPixel, yPixel, textWidth, textHeight); |
| 665 | break; |
| 666 | case OUTLINE: |
| 667 | gr.drawRect(xPixel, yPixel, textWidth - 1, textHeight - 1); |
| 668 | break; |
| 669 | } |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | /** |
| 674 | * Reset the blink timer. |
| 675 | */ |
| 676 | private void resetBlinkTimer() { |
| 677 | lastBlinkTime = System.currentTimeMillis(); |
| 678 | cursorBlinkVisible = true; |
| 679 | } |
| 680 | |
| 681 | /** |
| 682 | * Paint redraws the whole screen. |
| 683 | * |
| 684 | * @param gr the Swing Graphics context |
| 685 | */ |
| 686 | public void paint(final Graphics gr) { |
| 687 | |
| 688 | if (gotFontDimensions == false) { |
| 689 | // Lazy-load the text width/height |
| 690 | getFontDimensions(gr); |
| 691 | /* |
| 692 | System.err.println("textWidth " + textWidth + |
| 693 | " textHeight " + textHeight); |
| 694 | System.err.println("FONT: " + swing.getFont() + " font " + font); |
| 695 | */ |
| 696 | } |
| 697 | |
| 698 | int xCellMin = 0; |
| 699 | int xCellMax = width; |
| 700 | int yCellMin = 0; |
| 701 | int yCellMax = height; |
| 702 | |
| 703 | Rectangle bounds = gr.getClipBounds(); |
| 704 | if (bounds != null) { |
| 705 | // Only update what is in the bounds |
| 706 | xCellMin = textColumn(bounds.x); |
| 707 | xCellMax = textColumn(bounds.x + bounds.width); |
| 708 | if (xCellMax > width) { |
| 709 | xCellMax = width; |
| 710 | } |
| 711 | if (xCellMin >= xCellMax) { |
| 712 | xCellMin = xCellMax - 2; |
| 713 | } |
| 714 | if (xCellMin < 0) { |
| 715 | xCellMin = 0; |
| 716 | } |
| 717 | yCellMin = textRow(bounds.y); |
| 718 | yCellMax = textRow(bounds.y + bounds.height); |
| 719 | if (yCellMax > height) { |
| 720 | yCellMax = height; |
| 721 | } |
| 722 | if (yCellMin >= yCellMax) { |
| 723 | yCellMin = yCellMax - 2; |
| 724 | } |
| 725 | if (yCellMin < 0) { |
| 726 | yCellMin = 0; |
| 727 | } |
| 728 | } else { |
| 729 | // We need a total repaint |
| 730 | reallyCleared = true; |
| 731 | } |
| 732 | |
| 733 | // Prevent updates to the screen's data from the TApplication |
| 734 | // threads. |
| 735 | synchronized (this) { |
| 736 | |
| 737 | /* |
| 738 | System.err.printf("bounds %s X %d %d Y %d %d\n", |
| 739 | bounds, xCellMin, xCellMax, yCellMin, yCellMax); |
| 740 | */ |
| 741 | |
| 742 | for (int y = yCellMin; y < yCellMax; y++) { |
| 743 | for (int x = xCellMin; x < xCellMax; x++) { |
| 744 | |
| 745 | int xPixel = x * textWidth + left; |
| 746 | int yPixel = y * textHeight + top; |
| 747 | |
| 748 | Cell lCell = logical[x][y]; |
| 749 | Cell pCell = physical[x][y]; |
| 750 | |
| 751 | if (!lCell.equals(pCell) |
| 752 | || lCell.isBlink() |
| 753 | || reallyCleared |
| 754 | || (swing.getFrame() == null)) { |
| 755 | |
| 756 | drawGlyph(gr, lCell, xPixel, yPixel); |
| 757 | |
| 758 | // Physical is always updated |
| 759 | physical[x][y].setTo(lCell); |
| 760 | } |
| 761 | } |
| 762 | } |
| 763 | drawCursor(gr); |
| 764 | |
| 765 | reallyCleared = false; |
| 766 | } // synchronized (this) |
| 767 | } |
| 768 | |
| 769 | /** |
| 770 | * Restore terminal to normal state. |
| 771 | */ |
| 772 | public void shutdown() { |
| 773 | swing.dispose(); |
| 774 | } |
| 775 | |
| 776 | /** |
| 777 | * Push the logical screen to the physical device. |
| 778 | */ |
| 779 | @Override |
| 780 | public void flushPhysical() { |
| 781 | // See if it is time to flip the blink time. |
| 782 | long nowTime = System.currentTimeMillis(); |
| 783 | if (nowTime >= blinkMillis + lastBlinkTime) { |
| 784 | lastBlinkTime = nowTime; |
| 785 | cursorBlinkVisible = !cursorBlinkVisible; |
| 786 | // System.err.println("New lastBlinkTime: " + lastBlinkTime); |
| 787 | } |
| 788 | |
| 789 | if ((swing.getFrame() != null) |
| 790 | && (swing.getBufferStrategy() != null) |
| 791 | ) { |
| 792 | do { |
| 793 | do { |
| 794 | drawToSwing(); |
| 795 | } while (swing.getBufferStrategy().contentsRestored()); |
| 796 | |
| 797 | swing.getBufferStrategy().show(); |
| 798 | Toolkit.getDefaultToolkit().sync(); |
| 799 | } while (swing.getBufferStrategy().contentsLost()); |
| 800 | |
| 801 | } else { |
| 802 | // Non-triple-buffered, call drawToSwing() once |
| 803 | drawToSwing(); |
| 804 | } |
| 805 | } |
| 806 | |
| 807 | /** |
| 808 | * Push the logical screen to the physical device. |
| 809 | */ |
| 810 | private void drawToSwing() { |
| 811 | |
| 812 | /* |
| 813 | System.err.printf("drawToSwing(): reallyCleared %s dirty %s\n", |
| 814 | reallyCleared, dirty); |
| 815 | */ |
| 816 | |
| 817 | // If reallyCleared is set, we have to draw everything. |
| 818 | if ((swing.getFrame() != null) |
| 819 | && (swing.getBufferStrategy() != null) |
| 820 | && (reallyCleared == true) |
| 821 | ) { |
| 822 | // Triple-buffering: we have to redraw everything on this thread. |
| 823 | Graphics gr = swing.getBufferStrategy().getDrawGraphics(); |
| 824 | swing.paint(gr); |
| 825 | gr.dispose(); |
| 826 | swing.getBufferStrategy().show(); |
| 827 | Toolkit.getDefaultToolkit().sync(); |
| 828 | return; |
| 829 | } else if (((swing.getFrame() != null) |
| 830 | && (swing.getBufferStrategy() == null)) |
| 831 | || (reallyCleared == true) |
| 832 | ) { |
| 833 | // Repaint everything on the Swing thread. |
| 834 | // System.err.println("REPAINT ALL"); |
| 835 | swing.repaint(); |
| 836 | return; |
| 837 | } |
| 838 | |
| 839 | if ((swing.getFrame() != null) && (swing.getBufferStrategy() != null)) { |
| 840 | Graphics gr = swing.getBufferStrategy().getDrawGraphics(); |
| 841 | |
| 842 | synchronized (this) { |
| 843 | for (int y = 0; y < height; y++) { |
| 844 | for (int x = 0; x < width; x++) { |
| 845 | Cell lCell = logical[x][y]; |
| 846 | Cell pCell = physical[x][y]; |
| 847 | |
| 848 | int xPixel = x * textWidth + left; |
| 849 | int yPixel = y * textHeight + top; |
| 850 | |
| 851 | if (!lCell.equals(pCell) |
| 852 | || ((x == cursorX) |
| 853 | && (y == cursorY) |
| 854 | && cursorVisible) |
| 855 | || (lCell.isBlink()) |
| 856 | ) { |
| 857 | drawGlyph(gr, lCell, xPixel, yPixel); |
| 858 | physical[x][y].setTo(lCell); |
| 859 | } |
| 860 | } |
| 861 | } |
| 862 | drawCursor(gr); |
| 863 | } // synchronized (this) |
| 864 | |
| 865 | gr.dispose(); |
| 866 | swing.getBufferStrategy().show(); |
| 867 | Toolkit.getDefaultToolkit().sync(); |
| 868 | return; |
| 869 | } |
| 870 | |
| 871 | // Swing thread version: request a repaint, but limit it to the area |
| 872 | // that has changed. |
| 873 | |
| 874 | // Find the minimum-size damaged region. |
| 875 | int xMin = swing.getWidth(); |
| 876 | int xMax = 0; |
| 877 | int yMin = swing.getHeight(); |
| 878 | int yMax = 0; |
| 879 | |
| 880 | synchronized (this) { |
| 881 | for (int y = 0; y < height; y++) { |
| 882 | for (int x = 0; x < width; x++) { |
| 883 | Cell lCell = logical[x][y]; |
| 884 | Cell pCell = physical[x][y]; |
| 885 | |
| 886 | int xPixel = x * textWidth + left; |
| 887 | int yPixel = y * textHeight + top; |
| 888 | |
| 889 | if (!lCell.equals(pCell) |
| 890 | || ((x == cursorX) |
| 891 | && (y == cursorY) |
| 892 | && cursorVisible) |
| 893 | || lCell.isBlink() |
| 894 | ) { |
| 895 | if (xPixel < xMin) { |
| 896 | xMin = xPixel; |
| 897 | } |
| 898 | if (xPixel + textWidth > xMax) { |
| 899 | xMax = xPixel + textWidth; |
| 900 | } |
| 901 | if (yPixel < yMin) { |
| 902 | yMin = yPixel; |
| 903 | } |
| 904 | if (yPixel + textHeight > yMax) { |
| 905 | yMax = yPixel + textHeight; |
| 906 | } |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | } |
| 911 | if (xMin + textWidth >= xMax) { |
| 912 | xMax += textWidth; |
| 913 | } |
| 914 | if (yMin + textHeight >= yMax) { |
| 915 | yMax += textHeight; |
| 916 | } |
| 917 | |
| 918 | // Repaint the desired area |
| 919 | /* |
| 920 | System.err.printf("REPAINT X %d %d Y %d %d\n", xMin, xMax, |
| 921 | yMin, yMax); |
| 922 | */ |
| 923 | |
| 924 | if ((swing.getFrame() != null) && (swing.getBufferStrategy() != null)) { |
| 925 | // This path should never be taken, but is left here for |
| 926 | // completeness. |
| 927 | Graphics gr = swing.getBufferStrategy().getDrawGraphics(); |
| 928 | Rectangle bounds = new Rectangle(xMin, yMin, xMax - xMin, |
| 929 | yMax - yMin); |
| 930 | gr.setClip(bounds); |
| 931 | swing.paint(gr); |
| 932 | gr.dispose(); |
| 933 | swing.getBufferStrategy().show(); |
| 934 | Toolkit.getDefaultToolkit().sync(); |
| 935 | } else { |
| 936 | // Repaint on the Swing thread. |
| 937 | swing.repaint(xMin, yMin, xMax - xMin, yMax - yMin); |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | /** |
| 942 | * Convert pixel column position to text cell column position. |
| 943 | * |
| 944 | * @param x pixel column position |
| 945 | * @return text cell column position |
| 946 | */ |
| 947 | public int textColumn(final int x) { |
| 948 | return ((x - left) / textWidth); |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Convert pixel row position to text cell row position. |
| 953 | * |
| 954 | * @param y pixel row position |
| 955 | * @return text cell row position |
| 956 | */ |
| 957 | public int textRow(final int y) { |
| 958 | return ((y - top) / textHeight); |
| 959 | } |
| 960 | |
| 961 | /** |
| 962 | * Set the window title. |
| 963 | * |
| 964 | * @param title the new title |
| 965 | */ |
| 966 | public void setTitle(final String title) { |
| 967 | swing.setTitle(title); |
| 968 | } |
| 969 | |
| 970 | // ------------------------------------------------------------------------ |
| 971 | // TerminalReader --------------------------------------------------------- |
| 972 | // ------------------------------------------------------------------------ |
| 973 | |
| 974 | /** |
| 975 | * The session information. |
| 976 | */ |
| 977 | private SwingSessionInfo sessionInfo; |
| 978 | |
| 979 | /** |
| 980 | * Getter for sessionInfo. |
| 981 | * |
| 982 | * @return the SessionInfo |
| 983 | */ |
| 984 | public SessionInfo getSessionInfo() { |
| 985 | return sessionInfo; |
| 986 | } |
| 987 | |
| 988 | /** |
| 989 | * The listening object that run() wakes up on new input. |
| 990 | */ |
| 991 | private Object listener; |
| 992 | |
| 993 | /** |
| 994 | * Set listener to a different Object. |
| 995 | * |
| 996 | * @param listener the new listening object that run() wakes up on new |
| 997 | * input |
| 998 | */ |
| 999 | public void setListener(final Object listener) { |
| 1000 | this.listener = listener; |
| 1001 | } |
| 1002 | |
| 1003 | /** |
| 1004 | * The event queue, filled up by a thread reading on input. |
| 1005 | */ |
| 1006 | private List<TInputEvent> eventQueue; |
| 1007 | |
| 1008 | /** |
| 1009 | * The last reported mouse X position. |
| 1010 | */ |
| 1011 | private int oldMouseX = -1; |
| 1012 | |
| 1013 | /** |
| 1014 | * The last reported mouse Y position. |
| 1015 | */ |
| 1016 | private int oldMouseY = -1; |
| 1017 | |
| 1018 | /** |
| 1019 | * true if mouse1 was down. Used to report mouse1 on the release event. |
| 1020 | */ |
| 1021 | private boolean mouse1 = false; |
| 1022 | |
| 1023 | /** |
| 1024 | * true if mouse2 was down. Used to report mouse2 on the release event. |
| 1025 | */ |
| 1026 | private boolean mouse2 = false; |
| 1027 | |
| 1028 | /** |
| 1029 | * true if mouse3 was down. Used to report mouse3 on the release event. |
| 1030 | */ |
| 1031 | private boolean mouse3 = false; |
| 1032 | |
| 1033 | /** |
| 1034 | * Public constructor creates a new JFrame to render to. |
| 1035 | * |
| 1036 | * @param windowWidth the number of text columns to start with |
| 1037 | * @param windowHeight the number of text rows to start with |
| 1038 | * @param fontSize the size in points. Good values to pick are: 16, 20, |
| 1039 | * 22, and 24. |
| 1040 | * @param listener the object this backend needs to wake up when new |
| 1041 | * input comes in |
| 1042 | */ |
| 1043 | public SwingTerminal(final int windowWidth, final int windowHeight, |
| 1044 | final int fontSize, final Object listener) { |
| 1045 | |
| 1046 | this.fontSize = fontSize; |
| 1047 | |
| 1048 | setDOSColors(); |
| 1049 | |
| 1050 | // Figure out my cursor style. |
| 1051 | String cursorStyleString = System.getProperty( |
| 1052 | "jexer.Swing.cursorStyle", "underline").toLowerCase(); |
| 1053 | if (cursorStyleString.equals("underline")) { |
| 1054 | cursorStyle = CursorStyle.UNDERLINE; |
| 1055 | } else if (cursorStyleString.equals("outline")) { |
| 1056 | cursorStyle = CursorStyle.OUTLINE; |
| 1057 | } else if (cursorStyleString.equals("block")) { |
| 1058 | cursorStyle = CursorStyle.BLOCK; |
| 1059 | } |
| 1060 | |
| 1061 | // Pull the system property for triple buffering. |
| 1062 | if (System.getProperty("jexer.Swing.tripleBuffer") != null) { |
| 1063 | if (System.getProperty("jexer.Swing.tripleBuffer").equals("true")) { |
| 1064 | SwingComponent.tripleBuffer = true; |
| 1065 | } else { |
| 1066 | SwingComponent.tripleBuffer = false; |
| 1067 | } |
| 1068 | } |
| 1069 | |
| 1070 | try { |
| 1071 | SwingUtilities.invokeAndWait(new Runnable() { |
| 1072 | public void run() { |
| 1073 | |
| 1074 | JFrame frame = new JFrame() { |
| 1075 | |
| 1076 | /** |
| 1077 | * Serializable version. |
| 1078 | */ |
| 1079 | private static final long serialVersionUID = 1; |
| 1080 | |
| 1081 | /** |
| 1082 | * The code that performs the actual drawing. |
| 1083 | */ |
| 1084 | public SwingTerminal screen = null; |
| 1085 | |
| 1086 | /* |
| 1087 | * Anonymous class initializer saves the screen |
| 1088 | * reference, so that paint() and the like call out |
| 1089 | * to SwingTerminal. |
| 1090 | */ |
| 1091 | { |
| 1092 | this.screen = SwingTerminal.this; |
| 1093 | } |
| 1094 | |
| 1095 | /** |
| 1096 | * Update redraws the whole screen. |
| 1097 | * |
| 1098 | * @param gr the Swing Graphics context |
| 1099 | */ |
| 1100 | @Override |
| 1101 | public void update(final Graphics gr) { |
| 1102 | // The default update clears the area. Don't do |
| 1103 | // that, instead just paint it directly. |
| 1104 | paint(gr); |
| 1105 | } |
| 1106 | |
| 1107 | /** |
| 1108 | * Paint redraws the whole screen. |
| 1109 | * |
| 1110 | * @param gr the Swing Graphics context |
| 1111 | */ |
| 1112 | @Override |
| 1113 | public void paint(final Graphics gr) { |
| 1114 | if (screen != null) { |
| 1115 | screen.paint(gr); |
| 1116 | } |
| 1117 | } |
| 1118 | }; |
| 1119 | |
| 1120 | // Get the Swing component |
| 1121 | SwingTerminal.this.swing = new SwingComponent(frame); |
| 1122 | |
| 1123 | // Hang onto top and left for drawing. |
| 1124 | Insets insets = SwingTerminal.this.swing.getInsets(); |
| 1125 | SwingTerminal.this.left = insets.left; |
| 1126 | SwingTerminal.this.top = insets.top; |
| 1127 | |
| 1128 | // Load the font so that we can set sessionInfo. |
| 1129 | getDefaultFont(); |
| 1130 | |
| 1131 | // Get the default cols x rows and set component size |
| 1132 | // accordingly. |
| 1133 | SwingTerminal.this.sessionInfo = |
| 1134 | new SwingSessionInfo(SwingTerminal.this.swing, |
| 1135 | SwingTerminal.this.textWidth, |
| 1136 | SwingTerminal.this.textHeight, |
| 1137 | windowWidth, windowHeight); |
| 1138 | |
| 1139 | SwingTerminal.this.setDimensions(sessionInfo.getWindowWidth(), |
| 1140 | sessionInfo.getWindowHeight()); |
| 1141 | |
| 1142 | SwingTerminal.this.resizeToScreen(); |
| 1143 | SwingTerminal.this.swing.setVisible(true); |
| 1144 | } |
| 1145 | }); |
| 1146 | } catch (Exception e) { |
| 1147 | e.printStackTrace(); |
| 1148 | } |
| 1149 | |
| 1150 | this.listener = listener; |
| 1151 | mouse1 = false; |
| 1152 | mouse2 = false; |
| 1153 | mouse3 = false; |
| 1154 | eventQueue = new LinkedList<TInputEvent>(); |
| 1155 | |
| 1156 | // Add listeners to Swing. |
| 1157 | swing.addKeyListener(this); |
| 1158 | swing.addWindowListener(this); |
| 1159 | swing.addComponentListener(this); |
| 1160 | swing.addMouseListener(this); |
| 1161 | swing.addMouseMotionListener(this); |
| 1162 | swing.addMouseWheelListener(this); |
| 1163 | } |
| 1164 | |
| 1165 | /** |
| 1166 | * Public constructor renders to an existing JComponent. |
| 1167 | * |
| 1168 | * @param component the Swing component to render to |
| 1169 | * @param windowWidth the number of text columns to start with |
| 1170 | * @param windowHeight the number of text rows to start with |
| 1171 | * @param fontSize the size in points. Good values to pick are: 16, 20, |
| 1172 | * 22, and 24. |
| 1173 | * @param listener the object this backend needs to wake up when new |
| 1174 | * input comes in |
| 1175 | */ |
| 1176 | public SwingTerminal(final JComponent component, final int windowWidth, |
| 1177 | final int windowHeight, final int fontSize, final Object listener) { |
| 1178 | |
| 1179 | this.fontSize = fontSize; |
| 1180 | |
| 1181 | setDOSColors(); |
| 1182 | |
| 1183 | // Figure out my cursor style. |
| 1184 | String cursorStyleString = System.getProperty( |
| 1185 | "jexer.Swing.cursorStyle", "underline").toLowerCase(); |
| 1186 | if (cursorStyleString.equals("underline")) { |
| 1187 | cursorStyle = CursorStyle.UNDERLINE; |
| 1188 | } else if (cursorStyleString.equals("outline")) { |
| 1189 | cursorStyle = CursorStyle.OUTLINE; |
| 1190 | } else if (cursorStyleString.equals("block")) { |
| 1191 | cursorStyle = CursorStyle.BLOCK; |
| 1192 | } |
| 1193 | |
| 1194 | try { |
| 1195 | SwingUtilities.invokeAndWait(new Runnable() { |
| 1196 | public void run() { |
| 1197 | |
| 1198 | JComponent newComponent = new JComponent() { |
| 1199 | |
| 1200 | /** |
| 1201 | * Serializable version. |
| 1202 | */ |
| 1203 | private static final long serialVersionUID = 1; |
| 1204 | |
| 1205 | /** |
| 1206 | * The code that performs the actual drawing. |
| 1207 | */ |
| 1208 | public SwingTerminal screen = null; |
| 1209 | |
| 1210 | /* |
| 1211 | * Anonymous class initializer saves the screen |
| 1212 | * reference, so that paint() and the like call out |
| 1213 | * to SwingTerminal. |
| 1214 | */ |
| 1215 | { |
| 1216 | this.screen = SwingTerminal.this; |
| 1217 | } |
| 1218 | |
| 1219 | /** |
| 1220 | * Update redraws the whole screen. |
| 1221 | * |
| 1222 | * @param gr the Swing Graphics context |
| 1223 | */ |
| 1224 | @Override |
| 1225 | public void update(final Graphics gr) { |
| 1226 | // The default update clears the area. Don't do |
| 1227 | // that, instead just paint it directly. |
| 1228 | paint(gr); |
| 1229 | } |
| 1230 | |
| 1231 | /** |
| 1232 | * Paint redraws the whole screen. |
| 1233 | * |
| 1234 | * @param gr the Swing Graphics context |
| 1235 | */ |
| 1236 | @Override |
| 1237 | public void paint(final Graphics gr) { |
| 1238 | if (screen != null) { |
| 1239 | screen.paint(gr); |
| 1240 | } |
| 1241 | } |
| 1242 | }; |
| 1243 | component.setLayout(new BorderLayout()); |
| 1244 | component.add(newComponent); |
| 1245 | |
| 1246 | // Allow key events to be received |
| 1247 | component.setFocusable(true); |
| 1248 | |
| 1249 | // Get the Swing component |
| 1250 | SwingTerminal.this.swing = new SwingComponent(component); |
| 1251 | |
| 1252 | // Hang onto top and left for drawing. |
| 1253 | Insets insets = SwingTerminal.this.swing.getInsets(); |
| 1254 | SwingTerminal.this.left = insets.left; |
| 1255 | SwingTerminal.this.top = insets.top; |
| 1256 | |
| 1257 | // Load the font so that we can set sessionInfo. |
| 1258 | getDefaultFont(); |
| 1259 | |
| 1260 | // Get the default cols x rows and set component size |
| 1261 | // accordingly. |
| 1262 | SwingTerminal.this.sessionInfo = |
| 1263 | new SwingSessionInfo(SwingTerminal.this.swing, |
| 1264 | SwingTerminal.this.textWidth, |
| 1265 | SwingTerminal.this.textHeight); |
| 1266 | } |
| 1267 | }); |
| 1268 | } catch (Exception e) { |
| 1269 | e.printStackTrace(); |
| 1270 | } |
| 1271 | |
| 1272 | this.listener = listener; |
| 1273 | mouse1 = false; |
| 1274 | mouse2 = false; |
| 1275 | mouse3 = false; |
| 1276 | eventQueue = new LinkedList<TInputEvent>(); |
| 1277 | |
| 1278 | // Add listeners to Swing. |
| 1279 | swing.addKeyListener(this); |
| 1280 | swing.addWindowListener(this); |
| 1281 | swing.addComponentListener(this); |
| 1282 | swing.addMouseListener(this); |
| 1283 | swing.addMouseMotionListener(this); |
| 1284 | swing.addMouseWheelListener(this); |
| 1285 | } |
| 1286 | |
| 1287 | /** |
| 1288 | * Check if there are events in the queue. |
| 1289 | * |
| 1290 | * @return if true, getEvents() has something to return to the backend |
| 1291 | */ |
| 1292 | public boolean hasEvents() { |
| 1293 | synchronized (eventQueue) { |
| 1294 | return (eventQueue.size() > 0); |
| 1295 | } |
| 1296 | } |
| 1297 | |
| 1298 | /** |
| 1299 | * Return any events in the IO queue. |
| 1300 | * |
| 1301 | * @param queue list to append new events to |
| 1302 | */ |
| 1303 | public void getEvents(final List<TInputEvent> queue) { |
| 1304 | synchronized (eventQueue) { |
| 1305 | if (eventQueue.size() > 0) { |
| 1306 | synchronized (queue) { |
| 1307 | queue.addAll(eventQueue); |
| 1308 | } |
| 1309 | eventQueue.clear(); |
| 1310 | } |
| 1311 | } |
| 1312 | } |
| 1313 | |
| 1314 | /** |
| 1315 | * Restore terminal to normal state. |
| 1316 | */ |
| 1317 | public void closeTerminal() { |
| 1318 | shutdown(); |
| 1319 | } |
| 1320 | |
| 1321 | /** |
| 1322 | * Pass Swing keystrokes into the event queue. |
| 1323 | * |
| 1324 | * @param key keystroke received |
| 1325 | */ |
| 1326 | public void keyReleased(final KeyEvent key) { |
| 1327 | // Ignore release events |
| 1328 | } |
| 1329 | |
| 1330 | /** |
| 1331 | * Pass Swing keystrokes into the event queue. |
| 1332 | * |
| 1333 | * @param key keystroke received |
| 1334 | */ |
| 1335 | public void keyTyped(final KeyEvent key) { |
| 1336 | // Ignore typed events |
| 1337 | } |
| 1338 | |
| 1339 | /** |
| 1340 | * Pass Swing keystrokes into the event queue. |
| 1341 | * |
| 1342 | * @param key keystroke received |
| 1343 | */ |
| 1344 | public void keyPressed(final KeyEvent key) { |
| 1345 | boolean alt = false; |
| 1346 | boolean shift = false; |
| 1347 | boolean ctrl = false; |
| 1348 | char ch = ' '; |
| 1349 | boolean isKey = false; |
| 1350 | if (key.isActionKey()) { |
| 1351 | isKey = true; |
| 1352 | } else { |
| 1353 | ch = key.getKeyChar(); |
| 1354 | } |
| 1355 | alt = key.isAltDown(); |
| 1356 | ctrl = key.isControlDown(); |
| 1357 | shift = key.isShiftDown(); |
| 1358 | |
| 1359 | /* |
| 1360 | System.err.printf("Swing Key: %s\n", key); |
| 1361 | System.err.printf(" isKey: %s\n", isKey); |
| 1362 | System.err.printf(" alt: %s\n", alt); |
| 1363 | System.err.printf(" ctrl: %s\n", ctrl); |
| 1364 | System.err.printf(" shift: %s\n", shift); |
| 1365 | System.err.printf(" ch: %s\n", ch); |
| 1366 | */ |
| 1367 | |
| 1368 | // Special case: not return the bare modifier presses |
| 1369 | switch (key.getKeyCode()) { |
| 1370 | case KeyEvent.VK_ALT: |
| 1371 | return; |
| 1372 | case KeyEvent.VK_ALT_GRAPH: |
| 1373 | return; |
| 1374 | case KeyEvent.VK_CONTROL: |
| 1375 | return; |
| 1376 | case KeyEvent.VK_SHIFT: |
| 1377 | return; |
| 1378 | case KeyEvent.VK_META: |
| 1379 | return; |
| 1380 | default: |
| 1381 | break; |
| 1382 | } |
| 1383 | |
| 1384 | TKeypress keypress = null; |
| 1385 | if (isKey) { |
| 1386 | switch (key.getKeyCode()) { |
| 1387 | case KeyEvent.VK_F1: |
| 1388 | keypress = new TKeypress(true, TKeypress.F1, ' ', |
| 1389 | alt, ctrl, shift); |
| 1390 | break; |
| 1391 | case KeyEvent.VK_F2: |
| 1392 | keypress = new TKeypress(true, TKeypress.F2, ' ', |
| 1393 | alt, ctrl, shift); |
| 1394 | break; |
| 1395 | case KeyEvent.VK_F3: |
| 1396 | keypress = new TKeypress(true, TKeypress.F3, ' ', |
| 1397 | alt, ctrl, shift); |
| 1398 | break; |
| 1399 | case KeyEvent.VK_F4: |
| 1400 | keypress = new TKeypress(true, TKeypress.F4, ' ', |
| 1401 | alt, ctrl, shift); |
| 1402 | break; |
| 1403 | case KeyEvent.VK_F5: |
| 1404 | keypress = new TKeypress(true, TKeypress.F5, ' ', |
| 1405 | alt, ctrl, shift); |
| 1406 | break; |
| 1407 | case KeyEvent.VK_F6: |
| 1408 | keypress = new TKeypress(true, TKeypress.F6, ' ', |
| 1409 | alt, ctrl, shift); |
| 1410 | break; |
| 1411 | case KeyEvent.VK_F7: |
| 1412 | keypress = new TKeypress(true, TKeypress.F7, ' ', |
| 1413 | alt, ctrl, shift); |
| 1414 | break; |
| 1415 | case KeyEvent.VK_F8: |
| 1416 | keypress = new TKeypress(true, TKeypress.F8, ' ', |
| 1417 | alt, ctrl, shift); |
| 1418 | break; |
| 1419 | case KeyEvent.VK_F9: |
| 1420 | keypress = new TKeypress(true, TKeypress.F9, ' ', |
| 1421 | alt, ctrl, shift); |
| 1422 | break; |
| 1423 | case KeyEvent.VK_F10: |
| 1424 | keypress = new TKeypress(true, TKeypress.F10, ' ', |
| 1425 | alt, ctrl, shift); |
| 1426 | break; |
| 1427 | case KeyEvent.VK_F11: |
| 1428 | keypress = new TKeypress(true, TKeypress.F11, ' ', |
| 1429 | alt, ctrl, shift); |
| 1430 | break; |
| 1431 | case KeyEvent.VK_F12: |
| 1432 | keypress = new TKeypress(true, TKeypress.F12, ' ', |
| 1433 | alt, ctrl, shift); |
| 1434 | break; |
| 1435 | case KeyEvent.VK_HOME: |
| 1436 | keypress = new TKeypress(true, TKeypress.HOME, ' ', |
| 1437 | alt, ctrl, shift); |
| 1438 | break; |
| 1439 | case KeyEvent.VK_END: |
| 1440 | keypress = new TKeypress(true, TKeypress.END, ' ', |
| 1441 | alt, ctrl, shift); |
| 1442 | break; |
| 1443 | case KeyEvent.VK_PAGE_UP: |
| 1444 | keypress = new TKeypress(true, TKeypress.PGUP, ' ', |
| 1445 | alt, ctrl, shift); |
| 1446 | break; |
| 1447 | case KeyEvent.VK_PAGE_DOWN: |
| 1448 | keypress = new TKeypress(true, TKeypress.PGDN, ' ', |
| 1449 | alt, ctrl, shift); |
| 1450 | break; |
| 1451 | case KeyEvent.VK_INSERT: |
| 1452 | keypress = new TKeypress(true, TKeypress.INS, ' ', |
| 1453 | alt, ctrl, shift); |
| 1454 | break; |
| 1455 | case KeyEvent.VK_DELETE: |
| 1456 | keypress = new TKeypress(true, TKeypress.DEL, ' ', |
| 1457 | alt, ctrl, shift); |
| 1458 | break; |
| 1459 | case KeyEvent.VK_RIGHT: |
| 1460 | keypress = new TKeypress(true, TKeypress.RIGHT, ' ', |
| 1461 | alt, ctrl, shift); |
| 1462 | break; |
| 1463 | case KeyEvent.VK_LEFT: |
| 1464 | keypress = new TKeypress(true, TKeypress.LEFT, ' ', |
| 1465 | alt, ctrl, shift); |
| 1466 | break; |
| 1467 | case KeyEvent.VK_UP: |
| 1468 | keypress = new TKeypress(true, TKeypress.UP, ' ', |
| 1469 | alt, ctrl, shift); |
| 1470 | break; |
| 1471 | case KeyEvent.VK_DOWN: |
| 1472 | keypress = new TKeypress(true, TKeypress.DOWN, ' ', |
| 1473 | alt, ctrl, shift); |
| 1474 | break; |
| 1475 | case KeyEvent.VK_TAB: |
| 1476 | // Special case: distinguish TAB vs BTAB |
| 1477 | if (shift) { |
| 1478 | keypress = kbShiftTab; |
| 1479 | } else { |
| 1480 | keypress = kbTab; |
| 1481 | } |
| 1482 | break; |
| 1483 | case KeyEvent.VK_ENTER: |
| 1484 | keypress = new TKeypress(true, TKeypress.ENTER, ' ', |
| 1485 | alt, ctrl, shift); |
| 1486 | break; |
| 1487 | case KeyEvent.VK_ESCAPE: |
| 1488 | keypress = new TKeypress(true, TKeypress.ESC, ' ', |
| 1489 | alt, ctrl, shift); |
| 1490 | break; |
| 1491 | case KeyEvent.VK_BACK_SPACE: |
| 1492 | // Special case: return it as kbBackspace (Ctrl-H) |
| 1493 | keypress = new TKeypress(false, 0, 'H', false, true, false); |
| 1494 | break; |
| 1495 | default: |
| 1496 | // Unsupported, ignore |
| 1497 | return; |
| 1498 | } |
| 1499 | } |
| 1500 | |
| 1501 | if (keypress == null) { |
| 1502 | switch (ch) { |
| 1503 | case 0x08: |
| 1504 | keypress = kbBackspace; |
| 1505 | break; |
| 1506 | case 0x0A: |
| 1507 | keypress = kbEnter; |
| 1508 | break; |
| 1509 | case 0x1B: |
| 1510 | keypress = kbEsc; |
| 1511 | break; |
| 1512 | case 0x0D: |
| 1513 | keypress = kbEnter; |
| 1514 | break; |
| 1515 | case 0x09: |
| 1516 | if (shift) { |
| 1517 | keypress = kbShiftTab; |
| 1518 | } else { |
| 1519 | keypress = kbTab; |
| 1520 | } |
| 1521 | break; |
| 1522 | case 0x7F: |
| 1523 | keypress = kbDel; |
| 1524 | break; |
| 1525 | default: |
| 1526 | if (!alt && ctrl && !shift) { |
| 1527 | ch = KeyEvent.getKeyText(key.getKeyCode()).charAt(0); |
| 1528 | } |
| 1529 | // Not a special key, put it together |
| 1530 | keypress = new TKeypress(false, 0, ch, alt, ctrl, shift); |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | // Save it and we are done. |
| 1535 | synchronized (eventQueue) { |
| 1536 | eventQueue.add(new TKeypressEvent(keypress)); |
| 1537 | resetBlinkTimer(); |
| 1538 | } |
| 1539 | if (listener != null) { |
| 1540 | synchronized (listener) { |
| 1541 | listener.notifyAll(); |
| 1542 | } |
| 1543 | } |
| 1544 | } |
| 1545 | |
| 1546 | /** |
| 1547 | * Pass window events into the event queue. |
| 1548 | * |
| 1549 | * @param event window event received |
| 1550 | */ |
| 1551 | public void windowActivated(final WindowEvent event) { |
| 1552 | // Force a total repaint |
| 1553 | synchronized (this) { |
| 1554 | clearPhysical(); |
| 1555 | } |
| 1556 | } |
| 1557 | |
| 1558 | /** |
| 1559 | * Pass window events into the event queue. |
| 1560 | * |
| 1561 | * @param event window event received |
| 1562 | */ |
| 1563 | public void windowClosed(final WindowEvent event) { |
| 1564 | // Ignore |
| 1565 | } |
| 1566 | |
| 1567 | /** |
| 1568 | * Pass window events into the event queue. |
| 1569 | * |
| 1570 | * @param event window event received |
| 1571 | */ |
| 1572 | public void windowClosing(final WindowEvent event) { |
| 1573 | // Drop a cmAbort and walk away |
| 1574 | synchronized (eventQueue) { |
| 1575 | eventQueue.add(new TCommandEvent(cmAbort)); |
| 1576 | resetBlinkTimer(); |
| 1577 | } |
| 1578 | if (listener != null) { |
| 1579 | synchronized (listener) { |
| 1580 | listener.notifyAll(); |
| 1581 | } |
| 1582 | } |
| 1583 | } |
| 1584 | |
| 1585 | /** |
| 1586 | * Pass window events into the event queue. |
| 1587 | * |
| 1588 | * @param event window event received |
| 1589 | */ |
| 1590 | public void windowDeactivated(final WindowEvent event) { |
| 1591 | // Ignore |
| 1592 | } |
| 1593 | |
| 1594 | /** |
| 1595 | * Pass window events into the event queue. |
| 1596 | * |
| 1597 | * @param event window event received |
| 1598 | */ |
| 1599 | public void windowDeiconified(final WindowEvent event) { |
| 1600 | // Ignore |
| 1601 | } |
| 1602 | |
| 1603 | /** |
| 1604 | * Pass window events into the event queue. |
| 1605 | * |
| 1606 | * @param event window event received |
| 1607 | */ |
| 1608 | public void windowIconified(final WindowEvent event) { |
| 1609 | // Ignore |
| 1610 | } |
| 1611 | |
| 1612 | /** |
| 1613 | * Pass window events into the event queue. |
| 1614 | * |
| 1615 | * @param event window event received |
| 1616 | */ |
| 1617 | public void windowOpened(final WindowEvent event) { |
| 1618 | // Ignore |
| 1619 | } |
| 1620 | |
| 1621 | /** |
| 1622 | * Pass component events into the event queue. |
| 1623 | * |
| 1624 | * @param event component event received |
| 1625 | */ |
| 1626 | public void componentHidden(final ComponentEvent event) { |
| 1627 | // Ignore |
| 1628 | } |
| 1629 | |
| 1630 | /** |
| 1631 | * Pass component events into the event queue. |
| 1632 | * |
| 1633 | * @param event component event received |
| 1634 | */ |
| 1635 | public void componentShown(final ComponentEvent event) { |
| 1636 | // Ignore |
| 1637 | } |
| 1638 | |
| 1639 | /** |
| 1640 | * Pass component events into the event queue. |
| 1641 | * |
| 1642 | * @param event component event received |
| 1643 | */ |
| 1644 | public void componentMoved(final ComponentEvent event) { |
| 1645 | // Ignore |
| 1646 | } |
| 1647 | |
| 1648 | /** |
| 1649 | * Pass component events into the event queue. |
| 1650 | * |
| 1651 | * @param event component event received |
| 1652 | */ |
| 1653 | public void componentResized(final ComponentEvent event) { |
| 1654 | if (gotFontDimensions == false) { |
| 1655 | // We are still waiting to get font information. Don't pass a |
| 1656 | // resize event up. |
| 1657 | // System.err.println("size " + swing.getComponent().getSize()); |
| 1658 | return; |
| 1659 | } |
| 1660 | |
| 1661 | // Drop a new TResizeEvent into the queue |
| 1662 | sessionInfo.queryWindowSize(); |
| 1663 | synchronized (eventQueue) { |
| 1664 | TResizeEvent windowResize = new TResizeEvent(TResizeEvent.Type.SCREEN, |
| 1665 | sessionInfo.getWindowWidth(), sessionInfo.getWindowHeight()); |
| 1666 | eventQueue.add(windowResize); |
| 1667 | resetBlinkTimer(); |
| 1668 | } |
| 1669 | if (listener != null) { |
| 1670 | synchronized (listener) { |
| 1671 | listener.notifyAll(); |
| 1672 | } |
| 1673 | } |
| 1674 | } |
| 1675 | |
| 1676 | /** |
| 1677 | * Pass mouse events into the event queue. |
| 1678 | * |
| 1679 | * @param mouse mouse event received |
| 1680 | */ |
| 1681 | public void mouseDragged(final MouseEvent mouse) { |
| 1682 | int modifiers = mouse.getModifiersEx(); |
| 1683 | boolean eventMouse1 = false; |
| 1684 | boolean eventMouse2 = false; |
| 1685 | boolean eventMouse3 = false; |
| 1686 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { |
| 1687 | eventMouse1 = true; |
| 1688 | } |
| 1689 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { |
| 1690 | eventMouse2 = true; |
| 1691 | } |
| 1692 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { |
| 1693 | eventMouse3 = true; |
| 1694 | } |
| 1695 | mouse1 = eventMouse1; |
| 1696 | mouse2 = eventMouse2; |
| 1697 | mouse3 = eventMouse3; |
| 1698 | int x = textColumn(mouse.getX()); |
| 1699 | int y = textRow(mouse.getY()); |
| 1700 | |
| 1701 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_MOTION, |
| 1702 | x, y, x, y, mouse1, mouse2, mouse3, false, false); |
| 1703 | |
| 1704 | synchronized (eventQueue) { |
| 1705 | eventQueue.add(mouseEvent); |
| 1706 | resetBlinkTimer(); |
| 1707 | } |
| 1708 | if (listener != null) { |
| 1709 | synchronized (listener) { |
| 1710 | listener.notifyAll(); |
| 1711 | } |
| 1712 | } |
| 1713 | } |
| 1714 | |
| 1715 | /** |
| 1716 | * Pass mouse events into the event queue. |
| 1717 | * |
| 1718 | * @param mouse mouse event received |
| 1719 | */ |
| 1720 | public void mouseMoved(final MouseEvent mouse) { |
| 1721 | int x = textColumn(mouse.getX()); |
| 1722 | int y = textRow(mouse.getY()); |
| 1723 | if ((x == oldMouseX) && (y == oldMouseY)) { |
| 1724 | // Bail out, we've moved some pixels but not a whole text cell. |
| 1725 | return; |
| 1726 | } |
| 1727 | oldMouseX = x; |
| 1728 | oldMouseY = y; |
| 1729 | |
| 1730 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_MOTION, |
| 1731 | x, y, x, y, mouse1, mouse2, mouse3, false, false); |
| 1732 | |
| 1733 | synchronized (eventQueue) { |
| 1734 | eventQueue.add(mouseEvent); |
| 1735 | resetBlinkTimer(); |
| 1736 | } |
| 1737 | if (listener != null) { |
| 1738 | synchronized (listener) { |
| 1739 | listener.notifyAll(); |
| 1740 | } |
| 1741 | } |
| 1742 | } |
| 1743 | |
| 1744 | /** |
| 1745 | * Pass mouse events into the event queue. |
| 1746 | * |
| 1747 | * @param mouse mouse event received |
| 1748 | */ |
| 1749 | public void mouseClicked(final MouseEvent mouse) { |
| 1750 | // Ignore |
| 1751 | } |
| 1752 | |
| 1753 | /** |
| 1754 | * Pass mouse events into the event queue. |
| 1755 | * |
| 1756 | * @param mouse mouse event received |
| 1757 | */ |
| 1758 | public void mouseEntered(final MouseEvent mouse) { |
| 1759 | // Ignore |
| 1760 | } |
| 1761 | |
| 1762 | /** |
| 1763 | * Pass mouse events into the event queue. |
| 1764 | * |
| 1765 | * @param mouse mouse event received |
| 1766 | */ |
| 1767 | public void mouseExited(final MouseEvent mouse) { |
| 1768 | // Ignore |
| 1769 | } |
| 1770 | |
| 1771 | /** |
| 1772 | * Pass mouse events into the event queue. |
| 1773 | * |
| 1774 | * @param mouse mouse event received |
| 1775 | */ |
| 1776 | public void mousePressed(final MouseEvent mouse) { |
| 1777 | int modifiers = mouse.getModifiersEx(); |
| 1778 | boolean eventMouse1 = false; |
| 1779 | boolean eventMouse2 = false; |
| 1780 | boolean eventMouse3 = false; |
| 1781 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { |
| 1782 | eventMouse1 = true; |
| 1783 | } |
| 1784 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { |
| 1785 | eventMouse2 = true; |
| 1786 | } |
| 1787 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { |
| 1788 | eventMouse3 = true; |
| 1789 | } |
| 1790 | mouse1 = eventMouse1; |
| 1791 | mouse2 = eventMouse2; |
| 1792 | mouse3 = eventMouse3; |
| 1793 | int x = textColumn(mouse.getX()); |
| 1794 | int y = textRow(mouse.getY()); |
| 1795 | |
| 1796 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_DOWN, |
| 1797 | x, y, x, y, mouse1, mouse2, mouse3, false, false); |
| 1798 | |
| 1799 | synchronized (eventQueue) { |
| 1800 | eventQueue.add(mouseEvent); |
| 1801 | resetBlinkTimer(); |
| 1802 | } |
| 1803 | if (listener != null) { |
| 1804 | synchronized (listener) { |
| 1805 | listener.notifyAll(); |
| 1806 | } |
| 1807 | } |
| 1808 | } |
| 1809 | |
| 1810 | /** |
| 1811 | * Pass mouse events into the event queue. |
| 1812 | * |
| 1813 | * @param mouse mouse event received |
| 1814 | */ |
| 1815 | public void mouseReleased(final MouseEvent mouse) { |
| 1816 | int modifiers = mouse.getModifiersEx(); |
| 1817 | boolean eventMouse1 = false; |
| 1818 | boolean eventMouse2 = false; |
| 1819 | boolean eventMouse3 = false; |
| 1820 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { |
| 1821 | eventMouse1 = true; |
| 1822 | } |
| 1823 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { |
| 1824 | eventMouse2 = true; |
| 1825 | } |
| 1826 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { |
| 1827 | eventMouse3 = true; |
| 1828 | } |
| 1829 | if (mouse1) { |
| 1830 | mouse1 = false; |
| 1831 | eventMouse1 = true; |
| 1832 | } |
| 1833 | if (mouse2) { |
| 1834 | mouse2 = false; |
| 1835 | eventMouse2 = true; |
| 1836 | } |
| 1837 | if (mouse3) { |
| 1838 | mouse3 = false; |
| 1839 | eventMouse3 = true; |
| 1840 | } |
| 1841 | int x = textColumn(mouse.getX()); |
| 1842 | int y = textRow(mouse.getY()); |
| 1843 | |
| 1844 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_UP, |
| 1845 | x, y, x, y, eventMouse1, eventMouse2, eventMouse3, false, false); |
| 1846 | |
| 1847 | synchronized (eventQueue) { |
| 1848 | eventQueue.add(mouseEvent); |
| 1849 | resetBlinkTimer(); |
| 1850 | } |
| 1851 | if (listener != null) { |
| 1852 | synchronized (listener) { |
| 1853 | listener.notifyAll(); |
| 1854 | } |
| 1855 | } |
| 1856 | } |
| 1857 | |
| 1858 | /** |
| 1859 | * Pass mouse events into the event queue. |
| 1860 | * |
| 1861 | * @param mouse mouse event received |
| 1862 | */ |
| 1863 | public void mouseWheelMoved(final MouseWheelEvent mouse) { |
| 1864 | int modifiers = mouse.getModifiersEx(); |
| 1865 | boolean eventMouse1 = false; |
| 1866 | boolean eventMouse2 = false; |
| 1867 | boolean eventMouse3 = false; |
| 1868 | boolean mouseWheelUp = false; |
| 1869 | boolean mouseWheelDown = false; |
| 1870 | if ((modifiers & MouseEvent.BUTTON1_DOWN_MASK) != 0) { |
| 1871 | eventMouse1 = true; |
| 1872 | } |
| 1873 | if ((modifiers & MouseEvent.BUTTON2_DOWN_MASK) != 0) { |
| 1874 | eventMouse2 = true; |
| 1875 | } |
| 1876 | if ((modifiers & MouseEvent.BUTTON3_DOWN_MASK) != 0) { |
| 1877 | eventMouse3 = true; |
| 1878 | } |
| 1879 | mouse1 = eventMouse1; |
| 1880 | mouse2 = eventMouse2; |
| 1881 | mouse3 = eventMouse3; |
| 1882 | int x = textColumn(mouse.getX()); |
| 1883 | int y = textRow(mouse.getY()); |
| 1884 | if (mouse.getWheelRotation() > 0) { |
| 1885 | mouseWheelDown = true; |
| 1886 | } |
| 1887 | if (mouse.getWheelRotation() < 0) { |
| 1888 | mouseWheelUp = true; |
| 1889 | } |
| 1890 | |
| 1891 | TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_DOWN, |
| 1892 | x, y, x, y, mouse1, mouse2, mouse3, mouseWheelUp, mouseWheelDown); |
| 1893 | |
| 1894 | synchronized (eventQueue) { |
| 1895 | eventQueue.add(mouseEvent); |
| 1896 | resetBlinkTimer(); |
| 1897 | } |
| 1898 | if (listener != null) { |
| 1899 | synchronized (listener) { |
| 1900 | listener.notifyAll(); |
| 1901 | } |
| 1902 | } |
| 1903 | } |
| 1904 | |
| 1905 | } |