| 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.demos; |
| 32 | |
| 33 | import jexer.*; |
| 34 | import jexer.event.*; |
| 35 | import jexer.menu.*; |
| 36 | |
| 37 | /** |
| 38 | * This window demonstates the TText, THScroller, and TVScroller widgets. |
| 39 | */ |
| 40 | class DemoTextWindow extends TWindow { |
| 41 | |
| 42 | /** |
| 43 | * Hang onto my TText so I can resize it with the window. |
| 44 | */ |
| 45 | private TText textField; |
| 46 | |
| 47 | /** |
| 48 | * Public constructor. |
| 49 | * |
| 50 | * @param parent the main application |
| 51 | */ |
| 52 | public DemoTextWindow(final TApplication parent) { |
| 53 | super(parent, "Text Areas", 0, 0, 44, 20, RESIZABLE); |
| 54 | |
| 55 | textField = addText( |
| 56 | "This is an example of a reflowable text field. Some example text follows.\n" + |
| 57 | "\n" + |
| 58 | "This library implements a text-based windowing system loosely\n" + |
| 59 | "reminiscient of Borland's [Turbo\n" + |
| 60 | "Vision](http://en.wikipedia.org/wiki/Turbo_Vision) library. For those\n" + |
| 61 | "wishing to use the actual C++ Turbo Vision library, see [Sergio\n" + |
| 62 | "Sigala's updated version](http://tvision.sourceforge.net/) that runs\n" + |
| 63 | "on many more platforms.\n" + |
| 64 | "\n" + |
| 65 | "Currently the only console platform supported is Posix (tested on\n" + |
| 66 | "Linux). Input/output is handled through terminal escape sequences\n" + |
| 67 | "generated by the library itself: ncurses is not required or linked to. \n" + |
| 68 | "xterm mouse tracking using UTF8 coordinates is supported.\n" + |
| 69 | "\n" + |
| 70 | "This library is licensed LGPL (\"GNU Lesser General Public License\")\n" + |
| 71 | "version 3 or greater. See the file COPYING for the full license text,\n" + |
| 72 | "which includes both the GPL v3 and the LGPL supplemental terms.\n" + |
| 73 | "\n", |
| 74 | 1, 1, 40, 16); |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Handle window/screen resize events. |
| 79 | * |
| 80 | * @param event resize event |
| 81 | */ |
| 82 | @Override |
| 83 | public void onResize(final TResizeEvent event) { |
| 84 | if (event.getType() == TResizeEvent.Type.WIDGET) { |
| 85 | // Resize the text field |
| 86 | textField.setWidth(event.getWidth() - 4); |
| 87 | textField.setHeight(event.getHeight() - 4); |
| 88 | textField.reflow(); |
| 89 | return; |
| 90 | } |
| 91 | |
| 92 | // Pass to children instead |
| 93 | for (TWidget widget: getChildren()) { |
| 94 | widget.onResize(event); |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * This window demonstates the TRadioGroup, TRadioButton, and TCheckbox |
| 101 | * widgets. |
| 102 | */ |
| 103 | class DemoCheckboxWindow extends TWindow { |
| 104 | |
| 105 | /** |
| 106 | * Constructor. |
| 107 | * |
| 108 | * @param parent the main application |
| 109 | */ |
| 110 | DemoCheckboxWindow(final TApplication parent) { |
| 111 | this(parent, CENTERED | RESIZABLE); |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Constructor. |
| 116 | * |
| 117 | * @param parent the main application |
| 118 | * @param flags bitmask of MODAL, CENTERED, or RESIZABLE |
| 119 | */ |
| 120 | DemoCheckboxWindow(final TApplication parent, final int flags) { |
| 121 | // Construct a demo window. X and Y don't matter because it will be |
| 122 | // centered on screen. |
| 123 | super(parent, "Radiobuttons and Checkboxes", 0, 0, 60, 15, flags); |
| 124 | |
| 125 | int row = 1; |
| 126 | |
| 127 | // Add some widgets |
| 128 | addLabel("Check box example 1", 1, row); |
| 129 | addCheckbox(35, row++, "Checkbox 1", false); |
| 130 | addLabel("Check box example 2", 1, row); |
| 131 | addCheckbox(35, row++, "Checkbox 2", true); |
| 132 | row += 2; |
| 133 | |
| 134 | TRadioGroup group = addRadioGroup(1, row, "Group 1"); |
| 135 | group.addRadioButton("Radio option 1"); |
| 136 | group.addRadioButton("Radio option 2"); |
| 137 | group.addRadioButton("Radio option 3"); |
| 138 | |
| 139 | addButton("&Close Window", (getWidth() - 14) / 2, getHeight() - 4, |
| 140 | new TAction() { |
| 141 | public void DO() { |
| 142 | DemoCheckboxWindow.this.getApplication() |
| 143 | .closeWindow(DemoCheckboxWindow.this); |
| 144 | } |
| 145 | } |
| 146 | ); |
| 147 | } |
| 148 | |
| 149 | } |
| 150 | |
| 151 | |
| 152 | /** |
| 153 | * This window demonstates the TMessageBox and TInputBox widgets. |
| 154 | */ |
| 155 | class DemoMsgBoxWindow extends TWindow { |
| 156 | |
| 157 | /** |
| 158 | * Constructor. |
| 159 | * |
| 160 | * @param parent the main application |
| 161 | */ |
| 162 | DemoMsgBoxWindow(final TApplication parent) { |
| 163 | this(parent, TWindow.CENTERED | TWindow.RESIZABLE); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Constructor. |
| 168 | * |
| 169 | * @param parent the main application |
| 170 | * @param flags bitmask of MODAL, CENTERED, or RESIZABLE |
| 171 | */ |
| 172 | DemoMsgBoxWindow(final TApplication parent, final int flags) { |
| 173 | // Construct a demo window. X and Y don't matter because it |
| 174 | // will be centered on screen. |
| 175 | super(parent, "Message Boxes", 0, 0, 60, 15, flags); |
| 176 | |
| 177 | int row = 1; |
| 178 | |
| 179 | // Add some widgets |
| 180 | addLabel("Default OK message box", 1, row); |
| 181 | addButton("Open O&K MB", 35, row, |
| 182 | new TAction() { |
| 183 | public void DO() { |
| 184 | getApplication().messageBox("OK MessageBox", |
| 185 | "This is an example of a OK MessageBox. This is the\n" + |
| 186 | "default MessageBox.\n" + |
| 187 | "\n" + |
| 188 | "Note that the MessageBox text can span multiple\n" + |
| 189 | "lines.\n" + |
| 190 | "\n" + |
| 191 | "The default result (if someone hits the top-left\n" + |
| 192 | "close button) is OK.\n", |
| 193 | TMessageBox.Type.OK); |
| 194 | } |
| 195 | } |
| 196 | ); |
| 197 | row += 2; |
| 198 | |
| 199 | addLabel("OK/Cancel message box", 1, row); |
| 200 | addButton("O&pen OKC MB", 35, row, |
| 201 | new TAction() { |
| 202 | public void DO() { |
| 203 | getApplication().messageBox("OK/Cancel MessageBox", |
| 204 | "This is an example of a OK/Cancel MessageBox.\n" + |
| 205 | "\n" + |
| 206 | "Note that the MessageBox text can span multiple\n" + |
| 207 | "lines.\n" + |
| 208 | "\n" + |
| 209 | "The default result (if someone hits the top-left\n" + |
| 210 | "close button) is CANCEL.\n", |
| 211 | TMessageBox.Type.OKCANCEL); |
| 212 | } |
| 213 | } |
| 214 | ); |
| 215 | row += 2; |
| 216 | |
| 217 | addLabel("Yes/No message box", 1, row); |
| 218 | addButton("Open &YN MB", 35, row, |
| 219 | new TAction() { |
| 220 | public void DO() { |
| 221 | getApplication().messageBox("Yes/No MessageBox", |
| 222 | "This is an example of a Yes/No MessageBox.\n" + |
| 223 | "\n" + |
| 224 | "Note that the MessageBox text can span multiple\n" + |
| 225 | "lines.\n" + |
| 226 | "\n" + |
| 227 | "The default result (if someone hits the top-left\n" + |
| 228 | "close button) is NO.\n", |
| 229 | TMessageBox.Type.YESNO); |
| 230 | } |
| 231 | } |
| 232 | ); |
| 233 | row += 2; |
| 234 | |
| 235 | addLabel("Yes/No/Cancel message box", 1, row); |
| 236 | addButton("Ope&n YNC MB", 35, row, |
| 237 | new TAction() { |
| 238 | public void DO() { |
| 239 | getApplication().messageBox("Yes/No/Cancel MessageBox", |
| 240 | "This is an example of a Yes/No/Cancel MessageBox.\n" + |
| 241 | "\n" + |
| 242 | "Note that the MessageBox text can span multiple\n" + |
| 243 | "lines.\n" + |
| 244 | "\n" + |
| 245 | "The default result (if someone hits the top-left\n" + |
| 246 | "close button) is CANCEL.\n", |
| 247 | TMessageBox.Type.YESNOCANCEL); |
| 248 | } |
| 249 | } |
| 250 | ); |
| 251 | row += 2; |
| 252 | |
| 253 | addLabel("Input box", 1, row); |
| 254 | addButton("Open &input box", 35, row, |
| 255 | new TAction() { |
| 256 | public void DO() { |
| 257 | TInputBox in = getApplication().inputBox("Input Box", |
| 258 | "This is an example of an InputBox.\n" + |
| 259 | "\n" + |
| 260 | "Note that the InputBox text can span multiple\n" + |
| 261 | "lines.\n", |
| 262 | "some input text"); |
| 263 | getApplication().messageBox("Your InputBox Answer", |
| 264 | "You entered: " + in.getText()); |
| 265 | } |
| 266 | } |
| 267 | ); |
| 268 | |
| 269 | addButton("&Close Window", (getWidth() - 14) / 2, getHeight() - 4, |
| 270 | new TAction() { |
| 271 | public void DO() { |
| 272 | getApplication().closeWindow(DemoMsgBoxWindow.this); |
| 273 | } |
| 274 | } |
| 275 | ); |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * This is the main "demo" application window. It makes use of the TTimer, |
| 281 | * TProgressBox, TLabel, TButton, and TField widgets. |
| 282 | */ |
| 283 | class DemoMainWindow extends TWindow { |
| 284 | |
| 285 | // Timer that increments a number. |
| 286 | private TTimer timer; |
| 287 | |
| 288 | // Timer label is updated with timer ticks. |
| 289 | TLabel timerLabel; |
| 290 | |
| 291 | /** |
| 292 | * We need to override onClose so that the timer will no longer be called |
| 293 | * after we close the window. TTimers currently are completely unaware |
| 294 | * of the rest of the UI classes. |
| 295 | */ |
| 296 | @Override |
| 297 | public void onClose() { |
| 298 | getApplication().removeTimer(timer); |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Construct demo window. It will be centered on screen. |
| 303 | * |
| 304 | * @param parent the main application |
| 305 | */ |
| 306 | public DemoMainWindow(final TApplication parent) { |
| 307 | this(parent, CENTERED | RESIZABLE); |
| 308 | } |
| 309 | |
| 310 | // These are used by the timer loop. They have to be at class scope so |
| 311 | // that they can be accessed by the anonymous TAction class. |
| 312 | int timerI = 0; |
| 313 | TProgressBar progressBar; |
| 314 | |
| 315 | /** |
| 316 | * Constructor. |
| 317 | * |
| 318 | * @param parent the main application |
| 319 | * @param flags bitmask of MODAL, CENTERED, or RESIZABLE |
| 320 | */ |
| 321 | private DemoMainWindow(final TApplication parent, final int flags) { |
| 322 | // Construct a demo window. X and Y don't matter because it will be |
| 323 | // centered on screen. |
| 324 | super(parent, "Demo Window", 0, 0, 60, 23, flags); |
| 325 | |
| 326 | int row = 1; |
| 327 | |
| 328 | // Add some widgets |
| 329 | if (!isModal()) { |
| 330 | addLabel("Message Boxes", 1, row); |
| 331 | addButton("&MessageBoxes", 35, row, |
| 332 | new TAction() { |
| 333 | public void DO() { |
| 334 | new DemoMsgBoxWindow(getApplication()); |
| 335 | } |
| 336 | } |
| 337 | ); |
| 338 | } |
| 339 | row += 2; |
| 340 | |
| 341 | addLabel("Open me as modal", 1, row); |
| 342 | addButton("W&indow", 35, row, |
| 343 | new TAction() { |
| 344 | public void DO() { |
| 345 | new DemoMainWindow(getApplication(), MODAL); |
| 346 | } |
| 347 | } |
| 348 | ); |
| 349 | |
| 350 | row += 2; |
| 351 | |
| 352 | addLabel("Variable-width text field:", 1, row); |
| 353 | addField(35, row++, 15, false, "Field text"); |
| 354 | addLabel("Fixed-width text field:", 1, row); |
| 355 | addField(35, row++, 15, true); |
| 356 | addLabel("Variable-width password:", 1, row); |
| 357 | addPasswordField(35, row++, 15, false); |
| 358 | addLabel("Fixed-width password:", 1, row); |
| 359 | addPasswordField(35, row++, 15, true, "hunter2"); |
| 360 | row += 2; |
| 361 | |
| 362 | if (!isModal()) { |
| 363 | addLabel("Radio buttons and checkboxes", 1, row); |
| 364 | addButton("&Checkboxes", 35, row, |
| 365 | new TAction() { |
| 366 | public void DO() { |
| 367 | new DemoCheckboxWindow(getApplication()); |
| 368 | } |
| 369 | } |
| 370 | ); |
| 371 | } |
| 372 | row += 2; |
| 373 | |
| 374 | /* |
| 375 | if (!isModal()) { |
| 376 | addLabel("Editor window", 1, row); |
| 377 | addButton("Edito&r", 35, row, |
| 378 | { |
| 379 | new TEditor(application, 0, 0, 60, 15); |
| 380 | } |
| 381 | ); |
| 382 | } |
| 383 | row += 2; |
| 384 | */ |
| 385 | |
| 386 | if (!isModal()) { |
| 387 | addLabel("Text areas", 1, row); |
| 388 | addButton("&Text", 35, row, |
| 389 | new TAction() { |
| 390 | public void DO() { |
| 391 | new DemoTextWindow(getApplication()); |
| 392 | } |
| 393 | } |
| 394 | ); |
| 395 | } |
| 396 | row += 2; |
| 397 | |
| 398 | /* |
| 399 | if (!isModal()) { |
| 400 | addLabel("Tree views", 1, row); |
| 401 | addButton("Tree&View", 35, row, |
| 402 | { |
| 403 | new DemoTreeViewWindow(application); |
| 404 | } |
| 405 | ); |
| 406 | } |
| 407 | row += 2; |
| 408 | |
| 409 | if (!isModal()) { |
| 410 | addLabel("Terminal", 1, row); |
| 411 | addButton("Termi&nal", 35, row, |
| 412 | { |
| 413 | getApplication().openTerminal(0, 0); |
| 414 | } |
| 415 | ); |
| 416 | } |
| 417 | row += 2; |
| 418 | */ |
| 419 | |
| 420 | progressBar = addProgressBar(1, row, 22, 0); |
| 421 | row++; |
| 422 | timerLabel = addLabel("Timer", 1, row); |
| 423 | timer = getApplication().addTimer(100, true, |
| 424 | new TAction() { |
| 425 | |
| 426 | public void DO() { |
| 427 | timerLabel.setText(String.format("Timer: %d", timerI)); |
| 428 | timerLabel.setWidth(timerLabel.getText().length()); |
| 429 | if (timerI < 100) { |
| 430 | timerI++; |
| 431 | } |
| 432 | progressBar.setValue(timerI); |
| 433 | DemoMainWindow.this.setRepaint(); |
| 434 | } |
| 435 | } |
| 436 | ); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * The demo application itself. |
| 442 | */ |
| 443 | class DemoApplication extends TApplication { |
| 444 | |
| 445 | /** |
| 446 | * Public constructor. |
| 447 | * |
| 448 | * @throws Exception if TApplication can't instantiate the Backend. |
| 449 | */ |
| 450 | public DemoApplication() throws Exception { |
| 451 | super(null, null); |
| 452 | new DemoMainWindow(this); |
| 453 | |
| 454 | // Add the menus |
| 455 | addFileMenu(); |
| 456 | addEditMenu(); |
| 457 | |
| 458 | TMenu demoMenu = addMenu("&Demo"); |
| 459 | TMenuItem item = demoMenu.addItem(2000, "&Checkable"); |
| 460 | item.setCheckable(true); |
| 461 | item = demoMenu.addItem(2001, "Disabled"); |
| 462 | item.setEnabled(false); |
| 463 | item = demoMenu.addItem(2002, "&Normal"); |
| 464 | TSubMenu subMenu = demoMenu.addSubMenu("Sub-&Menu"); |
| 465 | item = demoMenu.addItem(2010, "N&ormal A&&D"); |
| 466 | |
| 467 | item = subMenu.addItem(2000, "&Checkable (sub)"); |
| 468 | item.setCheckable(true); |
| 469 | item = subMenu.addItem(2001, "Disabled (sub)"); |
| 470 | item.setEnabled(false); |
| 471 | item = subMenu.addItem(2002, "&Normal (sub)"); |
| 472 | |
| 473 | subMenu = subMenu.addSubMenu("Sub-&Menu"); |
| 474 | item = subMenu.addItem(2000, "&Checkable (sub)"); |
| 475 | item.setCheckable(true); |
| 476 | item = subMenu.addItem(2001, "Disabled (sub)"); |
| 477 | item.setEnabled(false); |
| 478 | item = subMenu.addItem(2002, "&Normal (sub)"); |
| 479 | |
| 480 | addWindowMenu(); |
| 481 | |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | /** |
| 486 | * This class provides a simple demonstration of Jexer's capabilities. |
| 487 | */ |
| 488 | public class Demo1 { |
| 489 | /** |
| 490 | * Main entry point. |
| 491 | * |
| 492 | * @param args Command line arguments |
| 493 | */ |
| 494 | public static void main(final String [] args) { |
| 495 | try { |
| 496 | DemoApplication app = new DemoApplication(); |
| 497 | app.run(); |
| 498 | } catch (Exception e) { |
| 499 | e.printStackTrace(); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | } |