| 1 | /** |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * License: LGPLv3 or later |
| 5 | * |
| 6 | * This module is licensed under the GNU Lesser General Public License |
| 7 | * Version 3. Please see the file "COPYING" in this directory for more |
| 8 | * information about the GNU Lesser General Public License Version 3. |
| 9 | * |
| 10 | * Copyright (C) 2015 Kevin Lamonte |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU Lesser General Public License |
| 14 | * as published by the Free Software Foundation; either version 3 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, but |
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 20 | * General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Lesser General Public |
| 23 | * License along with this program; if not, see |
| 24 | * http://www.gnu.org/licenses/, or write to the Free Software |
| 25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 26 | * 02110-1301 USA |
| 27 | * |
| 28 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] |
| 29 | * @version 1 |
| 30 | */ |
| 31 | package jexer; |
| 32 | |
| 33 | import jexer.bits.Cell; |
| 34 | import jexer.bits.CellAttributes; |
| 35 | import jexer.bits.GraphicsChars; |
| 36 | import jexer.event.TCommandEvent; |
| 37 | import jexer.event.TKeypressEvent; |
| 38 | import jexer.event.TMenuEvent; |
| 39 | import jexer.event.TMouseEvent; |
| 40 | import jexer.event.TResizeEvent; |
| 41 | import jexer.io.Screen; |
| 42 | import static jexer.TCommand.*; |
| 43 | import static jexer.TKeypress.*; |
| 44 | |
| 45 | /** |
| 46 | * TWindow is the top-level container and drawing surface for other widgets. |
| 47 | */ |
| 48 | public class TWindow extends TWidget { |
| 49 | |
| 50 | /** |
| 51 | * Window's parent TApplication. |
| 52 | */ |
| 53 | protected TApplication application; |
| 54 | |
| 55 | /** |
| 56 | * Get this TWindow's parent TApplication. |
| 57 | * |
| 58 | * @return this TWindow's parent TApplication |
| 59 | */ |
| 60 | public final TApplication getApplication() { |
| 61 | return application; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Get the Screen. |
| 66 | * |
| 67 | * @return the Screen |
| 68 | */ |
| 69 | public final Screen getScreen() { |
| 70 | return application.getScreen(); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Window title. |
| 75 | */ |
| 76 | protected String title = ""; |
| 77 | |
| 78 | /** |
| 79 | * Window is resizable (default yes). |
| 80 | */ |
| 81 | public static final int RESIZABLE = 0x01; |
| 82 | |
| 83 | /** |
| 84 | * Window is modal (default no). |
| 85 | */ |
| 86 | public static final int MODAL = 0x02; |
| 87 | |
| 88 | /** |
| 89 | * Window is centered (default no). |
| 90 | */ |
| 91 | public static final int CENTERED = 0x04; |
| 92 | |
| 93 | /** |
| 94 | * Window flags. |
| 95 | */ |
| 96 | private int flags = RESIZABLE; |
| 97 | |
| 98 | /** |
| 99 | * Z order. Lower number means more in-front. |
| 100 | */ |
| 101 | private int z = 0; |
| 102 | |
| 103 | /** |
| 104 | * If true, then the user clicked on the title bar and is moving the |
| 105 | * window. |
| 106 | */ |
| 107 | private boolean inWindowMove = false; |
| 108 | |
| 109 | /** |
| 110 | * If true, then the user clicked on the bottom right corner and is |
| 111 | * resizing the window. |
| 112 | */ |
| 113 | private boolean inWindowResize = false; |
| 114 | |
| 115 | /** |
| 116 | * If true, then the user selected "Size/Move" (or hit Ctrl-F5) and is |
| 117 | * resizing/moving the window via the keyboard. |
| 118 | */ |
| 119 | private boolean inKeyboardResize = false; |
| 120 | |
| 121 | /** |
| 122 | * If true, this window is maximized. |
| 123 | */ |
| 124 | private boolean maximized = false; |
| 125 | |
| 126 | /** |
| 127 | * Remember mouse state. |
| 128 | */ |
| 129 | protected TMouseEvent mouse; |
| 130 | |
| 131 | // For moving the window. resizing also uses moveWindowMouseX/Y |
| 132 | private int moveWindowMouseX; |
| 133 | private int moveWindowMouseY; |
| 134 | private int oldWindowX; |
| 135 | private int oldWindowY; |
| 136 | |
| 137 | // Resizing |
| 138 | private int resizeWindowWidth; |
| 139 | private int resizeWindowHeight; |
| 140 | private int minimumWindowWidth = 10; |
| 141 | private int minimumWindowHeight = 2; |
| 142 | private int maximumWindowWidth = -1; |
| 143 | private int maximumWindowHeight = -1; |
| 144 | |
| 145 | // For maximize/restore |
| 146 | private int restoreWindowWidth; |
| 147 | private int restoreWindowHeight; |
| 148 | private int restoreWindowX; |
| 149 | private int restoreWindowY; |
| 150 | |
| 151 | /** |
| 152 | * Public constructor. Window will be located at (0, 0). |
| 153 | * |
| 154 | * @param application TApplication that manages this window |
| 155 | * @param title window title, will be centered along the top border |
| 156 | * @param width width of window |
| 157 | * @param height height of window |
| 158 | */ |
| 159 | public TWindow(final TApplication application, final String title, |
| 160 | final int width, final int height) { |
| 161 | |
| 162 | this(application, title, 0, 0, width, height, RESIZABLE); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Public constructor. Window will be located at (0, 0). |
| 167 | * |
| 168 | * @param application TApplication that manages this window |
| 169 | * @param title window title, will be centered along the top border |
| 170 | * @param width width of window |
| 171 | * @param height height of window |
| 172 | * @param flags bitmask of RESIZABLE, CENTERED, or MODAL |
| 173 | */ |
| 174 | public TWindow(final TApplication application, final String title, |
| 175 | final int width, final int height, final int flags) { |
| 176 | |
| 177 | this(application, title, 0, 0, width, height, flags); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Public constructor. |
| 182 | * |
| 183 | * @param application TApplication that manages this window |
| 184 | * @param title window title, will be centered along the top border |
| 185 | * @param x column relative to parent |
| 186 | * @param y row relative to parent |
| 187 | * @param width width of window |
| 188 | * @param height height of window |
| 189 | */ |
| 190 | public TWindow(final TApplication application, final String title, |
| 191 | final int x, final int y, final int width, final int height) { |
| 192 | |
| 193 | this(application, title, x, y, width, height, RESIZABLE); |
| 194 | } |
| 195 | |
| 196 | /** |
| 197 | * Public constructor. |
| 198 | * |
| 199 | * @param application TApplication that manages this window |
| 200 | * @param title window title, will be centered along the top border |
| 201 | * @param x column relative to parent |
| 202 | * @param y row relative to parent |
| 203 | * @param width width of window |
| 204 | * @param height height of window |
| 205 | * @param flags mask of RESIZABLE, CENTERED, or MODAL |
| 206 | */ |
| 207 | public TWindow(final TApplication application, final String title, |
| 208 | final int x, final int y, final int width, final int height, |
| 209 | final int flags) { |
| 210 | |
| 211 | // I am my own window and parent |
| 212 | this.parent = this; |
| 213 | this.window = this; |
| 214 | |
| 215 | // Save fields |
| 216 | this.title = title; |
| 217 | this.application = application; |
| 218 | this.x = x; |
| 219 | this.y = y + application.getDesktopTop(); |
| 220 | this.width = width; |
| 221 | this.height = height; |
| 222 | this.flags = flags; |
| 223 | |
| 224 | // Minimum width/height are 10 and 2 |
| 225 | assert (width >= 10); |
| 226 | assert (height >= 2); |
| 227 | |
| 228 | // MODAL implies CENTERED |
| 229 | if (isModal()) { |
| 230 | this.flags |= CENTERED; |
| 231 | } |
| 232 | |
| 233 | // Center window if specified |
| 234 | center(); |
| 235 | |
| 236 | // Add me to the application |
| 237 | application.addWindow(this); |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Recenter the window on-screen. |
| 242 | */ |
| 243 | public final void center() { |
| 244 | if ((flags & CENTERED) != 0) { |
| 245 | if (width < getScreen().getWidth()) { |
| 246 | x = (getScreen().getWidth() - width) / 2; |
| 247 | } else { |
| 248 | x = 0; |
| 249 | } |
| 250 | y = (application.getDesktopBottom() - application.getDesktopTop()); |
| 251 | y -= height; |
| 252 | y /= 2; |
| 253 | if (y < 0) { |
| 254 | y = 0; |
| 255 | } |
| 256 | y += application.getDesktopTop(); |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Returns true if this window is modal. |
| 262 | * |
| 263 | * @return true if this window is modal |
| 264 | */ |
| 265 | public final boolean isModal() { |
| 266 | if ((flags & MODAL) == 0) { |
| 267 | return false; |
| 268 | } |
| 269 | return true; |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * Comparison operator sorts on z. |
| 274 | * |
| 275 | * @param that another TWindow instance |
| 276 | * @return difference between this.z and that.z |
| 277 | */ |
| 278 | public final int compare(final TWindow that) { |
| 279 | return (z - that.z); |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * Returns true if the mouse is currently on the close button. |
| 284 | * |
| 285 | * @return true if mouse is currently on the close button |
| 286 | */ |
| 287 | private boolean mouseOnClose() { |
| 288 | if ((mouse != null) |
| 289 | && (mouse.getAbsoluteY() == y) |
| 290 | && (mouse.getAbsoluteX() == x + 3) |
| 291 | ) { |
| 292 | return true; |
| 293 | } |
| 294 | return false; |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Returns true if the mouse is currently on the maximize/restore button. |
| 299 | * |
| 300 | * @return true if the mouse is currently on the maximize/restore button |
| 301 | */ |
| 302 | private boolean mouseOnMaximize() { |
| 303 | if ((mouse != null) |
| 304 | && !isModal() |
| 305 | && (mouse.getAbsoluteY() == y) |
| 306 | && (mouse.getAbsoluteX() == x + width - 4) |
| 307 | ) { |
| 308 | return true; |
| 309 | } |
| 310 | return false; |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Returns true if the mouse is currently on the resizable lower right |
| 315 | * corner. |
| 316 | * |
| 317 | * @return true if the mouse is currently on the resizable lower right |
| 318 | * corner |
| 319 | */ |
| 320 | private boolean mouseOnResize() { |
| 321 | if (((flags & RESIZABLE) != 0) |
| 322 | && !isModal() |
| 323 | && (mouse != null) |
| 324 | && (mouse.getAbsoluteY() == y + height - 1) |
| 325 | && ((mouse.getAbsoluteX() == x + width - 1) |
| 326 | || (mouse.getAbsoluteX() == x + width - 2)) |
| 327 | ) { |
| 328 | return true; |
| 329 | } |
| 330 | return false; |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Retrieve the background color. |
| 335 | * |
| 336 | * @return the background color |
| 337 | */ |
| 338 | protected final CellAttributes getBackground() { |
| 339 | if (!isModal() |
| 340 | && (inWindowMove || inWindowResize || inKeyboardResize) |
| 341 | ) { |
| 342 | assert (active); |
| 343 | return application.getTheme().getColor("twindow.background.windowmove"); |
| 344 | } else if (isModal() && inWindowMove) { |
| 345 | assert (active); |
| 346 | return application.getTheme().getColor("twindow.background.modal"); |
| 347 | } else if (isModal()) { |
| 348 | if (active) { |
| 349 | return application.getTheme().getColor("twindow.background.modal"); |
| 350 | } |
| 351 | return application.getTheme().getColor("twindow.background.modal.inactive"); |
| 352 | } else if (active) { |
| 353 | assert (!isModal()); |
| 354 | return application.getTheme().getColor("twindow.background"); |
| 355 | } else { |
| 356 | assert (!isModal()); |
| 357 | return application.getTheme().getColor("twindow.background.inactive"); |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Retrieve the border color. |
| 363 | * |
| 364 | * @return the border color |
| 365 | */ |
| 366 | protected final CellAttributes getBorder() { |
| 367 | if (!isModal() |
| 368 | && (inWindowMove || inWindowResize || inKeyboardResize) |
| 369 | ) { |
| 370 | assert (active); |
| 371 | return application.getTheme().getColor("twindow.border.windowmove"); |
| 372 | } else if (isModal() && inWindowMove) { |
| 373 | assert (active); |
| 374 | return application.getTheme().getColor("twindow.border.modal.windowmove"); |
| 375 | } else if (isModal()) { |
| 376 | if (active) { |
| 377 | return application.getTheme().getColor("twindow.border.modal"); |
| 378 | } else { |
| 379 | return application.getTheme().getColor("twindow.border.modal.inactive"); |
| 380 | } |
| 381 | } else if (active) { |
| 382 | assert (!isModal()); |
| 383 | return application.getTheme().getColor("twindow.border"); |
| 384 | } else { |
| 385 | assert (!isModal()); |
| 386 | return application.getTheme().getColor("twindow.border.inactive"); |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * Retrieve the border line type. |
| 392 | * |
| 393 | * @return the border line type |
| 394 | */ |
| 395 | protected final int getBorderType() { |
| 396 | if (!isModal() |
| 397 | && (inWindowMove || inWindowResize || inKeyboardResize) |
| 398 | ) { |
| 399 | assert (active); |
| 400 | return 1; |
| 401 | } else if (isModal() && inWindowMove) { |
| 402 | assert (active); |
| 403 | return 1; |
| 404 | } else if (isModal()) { |
| 405 | if (active) { |
| 406 | return 2; |
| 407 | } else { |
| 408 | return 1; |
| 409 | } |
| 410 | } else if (active) { |
| 411 | return 2; |
| 412 | } else { |
| 413 | return 1; |
| 414 | } |
| 415 | } |
| 416 | |
| 417 | /** |
| 418 | * Subclasses should override this method to cleanup resources. This is |
| 419 | * called by application.closeWindow(). |
| 420 | */ |
| 421 | public void onClose() { |
| 422 | // Default: do nothing |
| 423 | } |
| 424 | |
| 425 | /** |
| 426 | * Called by TApplication.drawChildren() to render on screen. |
| 427 | */ |
| 428 | @Override |
| 429 | public void draw() { |
| 430 | // Draw the box and background first. |
| 431 | CellAttributes border = getBorder(); |
| 432 | CellAttributes background = getBackground(); |
| 433 | int borderType = getBorderType(); |
| 434 | |
| 435 | getScreen().drawBox(0, 0, width, height, border, |
| 436 | background, borderType, true); |
| 437 | |
| 438 | // Draw the title |
| 439 | int titleLeft = (width - title.length() - 2) / 2; |
| 440 | putCharXY(titleLeft, 0, ' ', border); |
| 441 | putStrXY(titleLeft + 1, 0, title); |
| 442 | putCharXY(titleLeft + title.length() + 1, 0, ' ', border); |
| 443 | |
| 444 | if (active) { |
| 445 | |
| 446 | // Draw the close button |
| 447 | putCharXY(2, 0, '[', border); |
| 448 | putCharXY(4, 0, ']', border); |
| 449 | if (mouseOnClose() && mouse.getMouse1()) { |
| 450 | putCharXY(3, 0, GraphicsChars.CP437[0x0F], |
| 451 | !isModal() |
| 452 | ? application.getTheme().getColor("twindow.border.windowmove") |
| 453 | : application.getTheme().getColor("twindow.border.modal.windowmove")); |
| 454 | } else { |
| 455 | putCharXY(3, 0, GraphicsChars.CP437[0xFE], |
| 456 | !isModal() |
| 457 | ? application.getTheme().getColor("twindow.border.windowmove") |
| 458 | : application.getTheme().getColor("twindow.border.modal.windowmove")); |
| 459 | } |
| 460 | |
| 461 | // Draw the maximize button |
| 462 | if (!isModal()) { |
| 463 | |
| 464 | putCharXY(width - 5, 0, '[', border); |
| 465 | putCharXY(width - 3, 0, ']', border); |
| 466 | if (mouseOnMaximize() && mouse.getMouse1()) { |
| 467 | putCharXY(width - 4, 0, GraphicsChars.CP437[0x0F], |
| 468 | application.getTheme().getColor("twindow.border.windowmove")); |
| 469 | } else { |
| 470 | if (maximized) { |
| 471 | putCharXY(width - 4, 0, GraphicsChars.CP437[0x12], |
| 472 | application.getTheme().getColor("twindow.border.windowmove")); |
| 473 | } else { |
| 474 | putCharXY(width - 4, 0, GraphicsChars.UPARROW, |
| 475 | application.getTheme().getColor("twindow.border.windowmove")); |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | // Draw the resize corner |
| 480 | if ((flags & RESIZABLE) != 0) { |
| 481 | putCharXY(width - 2, height - 1, GraphicsChars.SINGLE_BAR, |
| 482 | application.getTheme().getColor("twindow.border.windowmove")); |
| 483 | putCharXY(width - 1, height - 1, GraphicsChars.LRCORNER, |
| 484 | application.getTheme().getColor("twindow.border.windowmove")); |
| 485 | } |
| 486 | } |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | /** |
| 491 | * Handle mouse button presses. |
| 492 | * |
| 493 | * @param mouse mouse button event |
| 494 | */ |
| 495 | @Override |
| 496 | public void onMouseDown(final TMouseEvent mouse) { |
| 497 | this.mouse = mouse; |
| 498 | application.setRepaint(); |
| 499 | |
| 500 | inKeyboardResize = false; |
| 501 | |
| 502 | if ((mouse.getAbsoluteY() == y) |
| 503 | && mouse.getMouse1() |
| 504 | && (x <= mouse.getAbsoluteX()) |
| 505 | && (mouse.getAbsoluteX() < x + width) |
| 506 | && !mouseOnClose() |
| 507 | && !mouseOnMaximize() |
| 508 | ) { |
| 509 | // Begin moving window |
| 510 | inWindowMove = true; |
| 511 | moveWindowMouseX = mouse.getAbsoluteX(); |
| 512 | moveWindowMouseY = mouse.getAbsoluteY(); |
| 513 | oldWindowX = x; |
| 514 | oldWindowY = y; |
| 515 | if (maximized) { |
| 516 | maximized = false; |
| 517 | } |
| 518 | return; |
| 519 | } |
| 520 | if (mouseOnResize()) { |
| 521 | // Begin window resize |
| 522 | inWindowResize = true; |
| 523 | moveWindowMouseX = mouse.getAbsoluteX(); |
| 524 | moveWindowMouseY = mouse.getAbsoluteY(); |
| 525 | resizeWindowWidth = width; |
| 526 | resizeWindowHeight = height; |
| 527 | if (maximized) { |
| 528 | maximized = false; |
| 529 | } |
| 530 | return; |
| 531 | } |
| 532 | |
| 533 | // I didn't take it, pass it on to my children |
| 534 | super.onMouseDown(mouse); |
| 535 | } |
| 536 | |
| 537 | /** |
| 538 | * Maximize window. |
| 539 | */ |
| 540 | private void maximize() { |
| 541 | restoreWindowWidth = width; |
| 542 | restoreWindowHeight = height; |
| 543 | restoreWindowX = x; |
| 544 | restoreWindowY = y; |
| 545 | width = getScreen().getWidth(); |
| 546 | height = application.getDesktopBottom() - 1; |
| 547 | x = 0; |
| 548 | y = 1; |
| 549 | maximized = true; |
| 550 | } |
| 551 | |
| 552 | /** |
| 553 | * Restote (unmaximize) window. |
| 554 | */ |
| 555 | private void restore() { |
| 556 | width = restoreWindowWidth; |
| 557 | height = restoreWindowHeight; |
| 558 | x = restoreWindowX; |
| 559 | y = restoreWindowY; |
| 560 | maximized = false; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Handle mouse button releases. |
| 565 | * |
| 566 | * @param mouse mouse button release event |
| 567 | */ |
| 568 | @Override |
| 569 | public void onMouseUp(final TMouseEvent mouse) { |
| 570 | this.mouse = mouse; |
| 571 | application.setRepaint(); |
| 572 | |
| 573 | if ((inWindowMove) && (mouse.getMouse1())) { |
| 574 | // Stop moving window |
| 575 | inWindowMove = false; |
| 576 | return; |
| 577 | } |
| 578 | |
| 579 | if ((inWindowResize) && (mouse.getMouse1())) { |
| 580 | // Stop resizing window |
| 581 | inWindowResize = false; |
| 582 | return; |
| 583 | } |
| 584 | |
| 585 | if (mouse.getMouse1() && mouseOnClose()) { |
| 586 | // Close window |
| 587 | application.closeWindow(this); |
| 588 | return; |
| 589 | } |
| 590 | |
| 591 | if ((mouse.getAbsoluteY() == y) && mouse.getMouse1() |
| 592 | && mouseOnMaximize()) { |
| 593 | if (maximized) { |
| 594 | // Restore |
| 595 | restore(); |
| 596 | } else { |
| 597 | // Maximize |
| 598 | maximize(); |
| 599 | } |
| 600 | // Pass a resize event to my children |
| 601 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, width, height)); |
| 602 | return; |
| 603 | } |
| 604 | |
| 605 | // I didn't take it, pass it on to my children |
| 606 | super.onMouseUp(mouse); |
| 607 | } |
| 608 | |
| 609 | /** |
| 610 | * Handle mouse movements. |
| 611 | * |
| 612 | * @param mouse mouse motion event |
| 613 | */ |
| 614 | @Override |
| 615 | public void onMouseMotion(final TMouseEvent mouse) { |
| 616 | this.mouse = mouse; |
| 617 | application.setRepaint(); |
| 618 | |
| 619 | if (inWindowMove) { |
| 620 | // Move window over |
| 621 | x = oldWindowX + (mouse.getAbsoluteX() - moveWindowMouseX); |
| 622 | y = oldWindowY + (mouse.getAbsoluteY() - moveWindowMouseY); |
| 623 | // Don't cover up the menu bar |
| 624 | if (y < application.getDesktopTop()) { |
| 625 | y = application.getDesktopTop(); |
| 626 | } |
| 627 | return; |
| 628 | } |
| 629 | |
| 630 | if (inWindowResize) { |
| 631 | // Move window over |
| 632 | width = resizeWindowWidth + (mouse.getAbsoluteX() - moveWindowMouseX); |
| 633 | height = resizeWindowHeight + (mouse.getAbsoluteY() - moveWindowMouseY); |
| 634 | if (x + width > getScreen().getWidth()) { |
| 635 | width = getScreen().getWidth() - x; |
| 636 | } |
| 637 | if (y + height > application.getDesktopBottom()) { |
| 638 | y = application.getDesktopBottom() - height + 1; |
| 639 | } |
| 640 | // Don't cover up the menu bar |
| 641 | if (y < application.getDesktopTop()) { |
| 642 | y = application.getDesktopTop(); |
| 643 | } |
| 644 | |
| 645 | // Keep within min/max bounds |
| 646 | if (width < minimumWindowWidth) { |
| 647 | width = minimumWindowWidth; |
| 648 | inWindowResize = false; |
| 649 | } |
| 650 | if (height < minimumWindowHeight) { |
| 651 | height = minimumWindowHeight; |
| 652 | inWindowResize = false; |
| 653 | } |
| 654 | if ((maximumWindowWidth > 0) && (width > maximumWindowWidth)) { |
| 655 | width = maximumWindowWidth; |
| 656 | inWindowResize = false; |
| 657 | } |
| 658 | if ((maximumWindowHeight > 0) && (height > maximumWindowHeight)) { |
| 659 | height = maximumWindowHeight; |
| 660 | inWindowResize = false; |
| 661 | } |
| 662 | |
| 663 | // Pass a resize event to my children |
| 664 | onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, width, height)); |
| 665 | return; |
| 666 | } |
| 667 | |
| 668 | // I didn't take it, pass it on to my children |
| 669 | super.onMouseMotion(mouse); |
| 670 | } |
| 671 | |
| 672 | /** |
| 673 | * Handle keystrokes. |
| 674 | * |
| 675 | * @param keypress keystroke event |
| 676 | */ |
| 677 | @Override |
| 678 | public void onKeypress(final TKeypressEvent keypress) { |
| 679 | |
| 680 | if (inKeyboardResize) { |
| 681 | |
| 682 | // ESC - Exit size/move |
| 683 | if (keypress.equals(kbEsc)) { |
| 684 | inKeyboardResize = false; |
| 685 | } |
| 686 | |
| 687 | if (keypress.equals(kbLeft)) { |
| 688 | if (x > 0) { |
| 689 | x--; |
| 690 | } |
| 691 | } |
| 692 | if (keypress.equals(kbRight)) { |
| 693 | if (x < getScreen().getWidth() - 1) { |
| 694 | x++; |
| 695 | } |
| 696 | } |
| 697 | if (keypress.equals(kbDown)) { |
| 698 | if (y < application.getDesktopBottom() - 1) { |
| 699 | y++; |
| 700 | } |
| 701 | } |
| 702 | if (keypress.equals(kbUp)) { |
| 703 | if (y > 1) { |
| 704 | y--; |
| 705 | } |
| 706 | } |
| 707 | if (keypress.equals(kbShiftLeft)) { |
| 708 | if (width > minimumWindowWidth) { |
| 709 | width--; |
| 710 | } |
| 711 | } |
| 712 | if (keypress.equals(kbShiftRight)) { |
| 713 | if (width < maximumWindowWidth) { |
| 714 | width++; |
| 715 | } |
| 716 | } |
| 717 | if (keypress.equals(kbShiftUp)) { |
| 718 | if (height > minimumWindowHeight) { |
| 719 | height--; |
| 720 | } |
| 721 | } |
| 722 | if (keypress.equals(kbShiftDown)) { |
| 723 | if (height < maximumWindowHeight) { |
| 724 | height++; |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | return; |
| 729 | } |
| 730 | |
| 731 | // These keystrokes will typically not be seen unless a subclass |
| 732 | // overrides onMenu() due to how TApplication dispatches |
| 733 | // accelerators. |
| 734 | |
| 735 | // Ctrl-W - close window |
| 736 | if (keypress.equals(kbCtrlW)) { |
| 737 | application.closeWindow(this); |
| 738 | return; |
| 739 | } |
| 740 | |
| 741 | // F6 - behave like Alt-TAB |
| 742 | if (keypress.equals(kbF6)) { |
| 743 | application.switchWindow(true); |
| 744 | return; |
| 745 | } |
| 746 | |
| 747 | // Shift-F6 - behave like Shift-Alt-TAB |
| 748 | if (keypress.equals(kbShiftF6)) { |
| 749 | application.switchWindow(false); |
| 750 | return; |
| 751 | } |
| 752 | |
| 753 | // F5 - zoom |
| 754 | if (keypress.equals(kbF5)) { |
| 755 | if (maximized) { |
| 756 | restore(); |
| 757 | } else { |
| 758 | maximize(); |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | // Ctrl-F5 - size/move |
| 763 | if (keypress.equals(kbCtrlF5)) { |
| 764 | inKeyboardResize = !inKeyboardResize; |
| 765 | } |
| 766 | |
| 767 | // I didn't take it, pass it on to my children |
| 768 | super.onKeypress(keypress); |
| 769 | } |
| 770 | |
| 771 | /** |
| 772 | * Handle posted command events. |
| 773 | * |
| 774 | * @param command command event |
| 775 | */ |
| 776 | @Override |
| 777 | public void onCommand(final TCommandEvent command) { |
| 778 | |
| 779 | // These commands will typically not be seen unless a subclass |
| 780 | // overrides onMenu() due to how TApplication dispatches |
| 781 | // accelerators. |
| 782 | |
| 783 | if (command.equals(cmWindowClose)) { |
| 784 | application.closeWindow(this); |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | if (command.equals(cmWindowNext)) { |
| 789 | application.switchWindow(true); |
| 790 | return; |
| 791 | } |
| 792 | |
| 793 | if (command.equals(cmWindowPrevious)) { |
| 794 | application.switchWindow(false); |
| 795 | return; |
| 796 | } |
| 797 | |
| 798 | if (command.equals(cmWindowMove)) { |
| 799 | inKeyboardResize = true; |
| 800 | return; |
| 801 | } |
| 802 | |
| 803 | if (command.equals(cmWindowZoom)) { |
| 804 | if (maximized) { |
| 805 | restore(); |
| 806 | } else { |
| 807 | maximize(); |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | // I didn't take it, pass it on to my children |
| 812 | super.onCommand(command); |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * Handle posted menu events. |
| 817 | * |
| 818 | * @param menu menu event |
| 819 | */ |
| 820 | @Override |
| 821 | public void onMenu(final TMenuEvent menu) { |
| 822 | if (menu.getId() == TMenu.MID_WINDOW_CLOSE) { |
| 823 | application.closeWindow(this); |
| 824 | return; |
| 825 | } |
| 826 | |
| 827 | if (menu.getId() == TMenu.MID_WINDOW_NEXT) { |
| 828 | application.switchWindow(true); |
| 829 | return; |
| 830 | } |
| 831 | |
| 832 | if (menu.getId() == TMenu.MID_WINDOW_PREVIOUS) { |
| 833 | application.switchWindow(false); |
| 834 | return; |
| 835 | } |
| 836 | |
| 837 | if (menu.getId() == TMenu.MID_WINDOW_MOVE) { |
| 838 | inKeyboardResize = true; |
| 839 | return; |
| 840 | } |
| 841 | |
| 842 | if (menu.getId() == TMenu.MID_WINDOW_ZOOM) { |
| 843 | if (maximized) { |
| 844 | restore(); |
| 845 | } else { |
| 846 | maximize(); |
| 847 | } |
| 848 | return; |
| 849 | } |
| 850 | |
| 851 | // I didn't take it, pass it on to my children |
| 852 | super.onMenu(menu); |
| 853 | } |
| 854 | |
| 855 | // ------------------------------------------------------------------------ |
| 856 | // Passthru for Screen functions ------------------------------------------ |
| 857 | // ------------------------------------------------------------------------ |
| 858 | |
| 859 | /** |
| 860 | * Get the attributes at one location. |
| 861 | * |
| 862 | * @param x column coordinate. 0 is the left-most column. |
| 863 | * @param y row coordinate. 0 is the top-most row. |
| 864 | * @return attributes at (x, y) |
| 865 | */ |
| 866 | public final CellAttributes getAttrXY(final int x, final int y) { |
| 867 | return getScreen().getAttrXY(x, y); |
| 868 | } |
| 869 | |
| 870 | /** |
| 871 | * Set the attributes at one location. |
| 872 | * |
| 873 | * @param x column coordinate. 0 is the left-most column. |
| 874 | * @param y row coordinate. 0 is the top-most row. |
| 875 | * @param attr attributes to use (bold, foreColor, backColor) |
| 876 | */ |
| 877 | public final void putAttrXY(final int x, final int y, |
| 878 | final CellAttributes attr) { |
| 879 | |
| 880 | getScreen().putAttrXY(x, y, attr); |
| 881 | } |
| 882 | |
| 883 | /** |
| 884 | * Set the attributes at one location. |
| 885 | * |
| 886 | * @param x column coordinate. 0 is the left-most column. |
| 887 | * @param y row coordinate. 0 is the top-most row. |
| 888 | * @param attr attributes to use (bold, foreColor, backColor) |
| 889 | * @param clip if true, honor clipping/offset |
| 890 | */ |
| 891 | public final void putAttrXY(final int x, final int y, |
| 892 | final CellAttributes attr, final boolean clip) { |
| 893 | |
| 894 | getScreen().putAttrXY(x, y, attr, clip); |
| 895 | } |
| 896 | |
| 897 | /** |
| 898 | * Fill the entire screen with one character with attributes. |
| 899 | * |
| 900 | * @param ch character to draw |
| 901 | * @param attr attributes to use (bold, foreColor, backColor) |
| 902 | */ |
| 903 | public final void putAll(final char ch, final CellAttributes attr) { |
| 904 | getScreen().putAll(ch, attr); |
| 905 | } |
| 906 | |
| 907 | /** |
| 908 | * Render one character with attributes. |
| 909 | * |
| 910 | * @param x column coordinate. 0 is the left-most column. |
| 911 | * @param y row coordinate. 0 is the top-most row. |
| 912 | * @param ch character + attributes to draw |
| 913 | */ |
| 914 | public final void putCharXY(final int x, final int y, final Cell ch) { |
| 915 | getScreen().putCharXY(x, y, ch); |
| 916 | } |
| 917 | |
| 918 | /** |
| 919 | * Render one character with attributes. |
| 920 | * |
| 921 | * @param x column coordinate. 0 is the left-most column. |
| 922 | * @param y row coordinate. 0 is the top-most row. |
| 923 | * @param ch character to draw |
| 924 | * @param attr attributes to use (bold, foreColor, backColor) |
| 925 | */ |
| 926 | public final void putCharXY(final int x, final int y, final char ch, |
| 927 | final CellAttributes attr) { |
| 928 | |
| 929 | getScreen().putCharXY(x, y, ch, attr); |
| 930 | } |
| 931 | |
| 932 | /** |
| 933 | * Render one character without changing the underlying attributes. |
| 934 | * |
| 935 | * @param x column coordinate. 0 is the left-most column. |
| 936 | * @param y row coordinate. 0 is the top-most row. |
| 937 | * @param ch character to draw |
| 938 | */ |
| 939 | public final void putCharXY(final int x, final int y, final char ch) { |
| 940 | getScreen().putCharXY(x, y, ch); |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * Render a string. Does not wrap if the string exceeds the line. |
| 945 | * |
| 946 | * @param x column coordinate. 0 is the left-most column. |
| 947 | * @param y row coordinate. 0 is the top-most row. |
| 948 | * @param str string to draw |
| 949 | * @param attr attributes to use (bold, foreColor, backColor) |
| 950 | */ |
| 951 | public final void putStrXY(final int x, final int y, final String str, |
| 952 | final CellAttributes attr) { |
| 953 | |
| 954 | getScreen().putStrXY(x, y, str, attr); |
| 955 | } |
| 956 | |
| 957 | /** |
| 958 | * Render a string without changing the underlying attribute. Does not |
| 959 | * wrap if the string exceeds the line. |
| 960 | * |
| 961 | * @param x column coordinate. 0 is the left-most column. |
| 962 | * @param y row coordinate. 0 is the top-most row. |
| 963 | * @param str string to draw |
| 964 | */ |
| 965 | public final void putStrXY(final int x, final int y, final String str) { |
| 966 | getScreen().putStrXY(x, y, str); |
| 967 | } |
| 968 | |
| 969 | /** |
| 970 | * Draw a vertical line from (x, y) to (x, y + n). |
| 971 | * |
| 972 | * @param x column coordinate. 0 is the left-most column. |
| 973 | * @param y row coordinate. 0 is the top-most row. |
| 974 | * @param n number of characters to draw |
| 975 | * @param ch character to draw |
| 976 | * @param attr attributes to use (bold, foreColor, backColor) |
| 977 | */ |
| 978 | public final void vLineXY(final int x, final int y, final int n, |
| 979 | final char ch, final CellAttributes attr) { |
| 980 | |
| 981 | getScreen().vLineXY(x, y, n, ch, attr); |
| 982 | } |
| 983 | |
| 984 | /** |
| 985 | * Draw a horizontal line from (x, y) to (x + n, y). |
| 986 | * |
| 987 | * @param x column coordinate. 0 is the left-most column. |
| 988 | * @param y row coordinate. 0 is the top-most row. |
| 989 | * @param n number of characters to draw |
| 990 | * @param ch character to draw |
| 991 | * @param attr attributes to use (bold, foreColor, backColor) |
| 992 | */ |
| 993 | public final void hLineXY(final int x, final int y, final int n, |
| 994 | final char ch, final CellAttributes attr) { |
| 995 | |
| 996 | getScreen().hLineXY(x, y, n, ch, attr); |
| 997 | } |
| 998 | |
| 999 | |
| 1000 | } |