| 1 | package com.googlecode.lanterna.gui2; |
| 2 | |
| 3 | import com.googlecode.lanterna.*; |
| 4 | import com.googlecode.lanterna.input.KeyStroke; |
| 5 | |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.Arrays; |
| 8 | import java.util.Collection; |
| 9 | import java.util.List; |
| 10 | import java.util.concurrent.CopyOnWriteArrayList; |
| 11 | |
| 12 | /** |
| 13 | * This is a simple combo box implementation that allows the user to select one out of multiple items through a |
| 14 | * drop-down menu. If the combo box is not in read-only mode, the user can also enter free text in the combo box, much |
| 15 | * like a {@code TextBox}. |
| 16 | * @param <V> Type to use for the items in the combo box |
| 17 | * @author Martin |
| 18 | */ |
| 19 | public class ComboBox<V> extends AbstractInteractableComponent<ComboBox<V>> { |
| 20 | |
| 21 | /** |
| 22 | * Listener interface that can be used to catch user events on the combo box |
| 23 | */ |
| 24 | public interface Listener { |
| 25 | /** |
| 26 | * This method is called whenever the user changes selection from one item to another in the combo box |
| 27 | * @param selectedIndex Index of the item which is now selected |
| 28 | * @param previousSelection Index of the item which was previously selected |
| 29 | */ |
| 30 | void onSelectionChanged(int selectedIndex, int previousSelection); |
| 31 | } |
| 32 | |
| 33 | private final List<V> items; |
| 34 | private final List<Listener> listeners; |
| 35 | |
| 36 | private PopupWindow popupWindow; |
| 37 | private String text; |
| 38 | private int selectedIndex; |
| 39 | |
| 40 | private boolean readOnly; |
| 41 | private boolean dropDownFocused; |
| 42 | private int textInputPosition; |
| 43 | |
| 44 | /** |
| 45 | * Creates a new {@code ComboBox} initialized with N number of items supplied through the varargs parameter. If at |
| 46 | * least one item is given, the first one in the array will be initially selected |
| 47 | * @param items Items to populate the new combo box with |
| 48 | */ |
| 49 | public ComboBox(V... items) { |
| 50 | this(Arrays.asList(items)); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Creates a new {@code ComboBox} initialized with N number of items supplied through the items parameter. If at |
| 55 | * least one item is given, the first one in the collection will be initially selected |
| 56 | * @param items Items to populate the new combo box with |
| 57 | */ |
| 58 | public ComboBox(Collection<V> items) { |
| 59 | this(items, items.isEmpty() ? -1 : 0); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Creates a new {@code ComboBox} initialized with N number of items supplied through the items parameter. The |
| 64 | * initial text in the combo box is set to a specific value passed in through the {@code initialText} parameter, it |
| 65 | * can be a text which is not contained within the items and the selection state of the combo box will be |
| 66 | * "no selection" (so {@code getSelectedIndex()} will return -1) until the user interacts with the combo box and |
| 67 | * manually changes it |
| 68 | * |
| 69 | * @param initialText Text to put in the combo box initially |
| 70 | * @param items Items to populate the new combo box with |
| 71 | */ |
| 72 | public ComboBox(String initialText, Collection<V> items) { |
| 73 | this(items, -1); |
| 74 | this.text = initialText; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Creates a new {@code ComboBox} initialized with N number of items supplied through the items parameter. The |
| 79 | * initially selected item is specified through the {@code selectedIndex} parameter. |
| 80 | * @param items Items to populate the new combo box with |
| 81 | * @param selectedIndex Index of the item which should be initially selected |
| 82 | */ |
| 83 | public ComboBox(Collection<V> items, int selectedIndex) { |
| 84 | for(V item: items) { |
| 85 | if(item == null) { |
| 86 | throw new IllegalArgumentException("Cannot add null elements to a ComboBox"); |
| 87 | } |
| 88 | } |
| 89 | this.items = new ArrayList<V>(items); |
| 90 | this.listeners = new CopyOnWriteArrayList<Listener>(); |
| 91 | this.popupWindow = null; |
| 92 | this.selectedIndex = selectedIndex; |
| 93 | this.readOnly = true; |
| 94 | this.dropDownFocused = true; |
| 95 | this.textInputPosition = 0; |
| 96 | if(selectedIndex != -1) { |
| 97 | this.text = this.items.get(selectedIndex).toString(); |
| 98 | } |
| 99 | else { |
| 100 | this.text = ""; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Adds a new item to the combo box, at the end |
| 106 | * @param item Item to add to the combo box |
| 107 | * @return Itself |
| 108 | */ |
| 109 | public synchronized ComboBox<V> addItem(V item) { |
| 110 | if(item == null) { |
| 111 | throw new IllegalArgumentException("Cannot add null elements to a ComboBox"); |
| 112 | } |
| 113 | items.add(item); |
| 114 | if(selectedIndex == -1 && items.size() == 1) { |
| 115 | setSelectedIndex(0); |
| 116 | } |
| 117 | invalidate(); |
| 118 | return this; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Adds a new item to the combo box, at a specific index |
| 123 | * @param index Index to add the item at |
| 124 | * @param item Item to add |
| 125 | * @return Itself |
| 126 | */ |
| 127 | public synchronized ComboBox<V> addItem(int index, V item) { |
| 128 | if(item == null) { |
| 129 | throw new IllegalArgumentException("Cannot add null elements to a ComboBox"); |
| 130 | } |
| 131 | items.add(index, item); |
| 132 | if(index <= selectedIndex) { |
| 133 | setSelectedIndex(selectedIndex + 1); |
| 134 | } |
| 135 | invalidate(); |
| 136 | return this; |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Removes all items from the combo box |
| 141 | * @return Itself |
| 142 | */ |
| 143 | public synchronized ComboBox<V> clearItems() { |
| 144 | items.clear(); |
| 145 | setSelectedIndex(-1); |
| 146 | invalidate(); |
| 147 | return this; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Removes a particular item from the combo box, if it is present, otherwise does nothing |
| 152 | * @param item Item to remove from the combo box |
| 153 | * @return Itself |
| 154 | */ |
| 155 | public synchronized ComboBox<V> removeItem(V item) { |
| 156 | int index = items.indexOf(item); |
| 157 | if(index == -1) { |
| 158 | return this; |
| 159 | } |
| 160 | return remoteItem(index); |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Removes an item from the combo box at a particular index |
| 165 | * @param index Index of the item to remove |
| 166 | * @return Itself |
| 167 | * @throws IndexOutOfBoundsException if the index is out of range |
| 168 | */ |
| 169 | public synchronized ComboBox<V> remoteItem(int index) { |
| 170 | items.remove(index); |
| 171 | if(index < selectedIndex) { |
| 172 | setSelectedIndex(selectedIndex - 1); |
| 173 | } |
| 174 | else if(index == selectedIndex) { |
| 175 | setSelectedIndex(-1); |
| 176 | } |
| 177 | invalidate(); |
| 178 | return this; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Updates the combo box so the item at the specified index is swapped out with the supplied value in the |
| 183 | * {@code item} parameter |
| 184 | * @param index Index of the item to swap out |
| 185 | * @param item Item to replace with |
| 186 | * @return Itself |
| 187 | */ |
| 188 | public synchronized ComboBox<V> setItem(int index, V item) { |
| 189 | if(item == null) { |
| 190 | throw new IllegalArgumentException("Cannot add null elements to a ComboBox"); |
| 191 | } |
| 192 | items.set(index, item); |
| 193 | invalidate(); |
| 194 | return this; |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Counts and returns the number of items in this combo box |
| 199 | * @return Number of items in this combo box |
| 200 | */ |
| 201 | public synchronized int getItemCount() { |
| 202 | return items.size(); |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Returns the item at the specific index |
| 207 | * @param index Index of the item to return |
| 208 | * @return Item at the specific index |
| 209 | * @throws IndexOutOfBoundsException if the index is out of range |
| 210 | */ |
| 211 | public synchronized V getItem(int index) { |
| 212 | return items.get(index); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Returns the text currently displayed in the combo box, this will likely be the label of the selected item but for |
| 217 | * writable combo boxes it's also what the user has typed in |
| 218 | * @return String currently displayed in the combo box |
| 219 | */ |
| 220 | public String getText() { |
| 221 | return text; |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Sets the combo box to either read-only or writable. In read-only mode, the user cannot type in any text in the |
| 226 | * combo box but is forced to pick one of the items, displayed by the drop-down. In writable mode, the user can |
| 227 | * enter any string in the combo box |
| 228 | * @param readOnly If the combo box should be in read-only mode, pass in {@code true}, otherwise {@code false} for |
| 229 | * writable mode |
| 230 | * @return Itself |
| 231 | */ |
| 232 | public synchronized ComboBox<V> setReadOnly(boolean readOnly) { |
| 233 | this.readOnly = readOnly; |
| 234 | if(readOnly) { |
| 235 | dropDownFocused = true; |
| 236 | } |
| 237 | return this; |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Returns {@code true} if this combo box is in read-only mode |
| 242 | * @return {@code true} if this combo box is in read-only mode, {@code false} otherwise |
| 243 | */ |
| 244 | public boolean isReadOnly() { |
| 245 | return readOnly; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Returns {@code true} if the users input focus is currently on the drop-down button of the combo box, so that |
| 250 | * pressing enter would trigger the popup window. This is generally used by renderers only and is always true for |
| 251 | * read-only combo boxes as the component won't allow you to focus on the text in that mode. |
| 252 | * @return {@code true} if the input focus is on the drop-down "button" of the combo box |
| 253 | */ |
| 254 | public boolean isDropDownFocused() { |
| 255 | return dropDownFocused || isReadOnly(); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * For writable combo boxes, this method returns the position where the text input cursor is right now. Meaning, if |
| 260 | * the user types some character, where are those are going to be inserted in the string that is currently |
| 261 | * displayed. If the text input position equals the size of the currently displayed text, new characters will be |
| 262 | * appended at the end. The user can usually move the text input position by using left and right arrow keys on the |
| 263 | * keyboard. |
| 264 | * @return Current text input position |
| 265 | */ |
| 266 | public int getTextInputPosition() { |
| 267 | return textInputPosition; |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Programmatically selects one item in the combo box, which causes the displayed text to change to match the label |
| 272 | * of the selected index |
| 273 | * @param selectedIndex Index of the item to select |
| 274 | * @throws IndexOutOfBoundsException if the index is out of range |
| 275 | */ |
| 276 | public synchronized void setSelectedIndex(final int selectedIndex) { |
| 277 | if(items.size() <= selectedIndex || selectedIndex < -1) { |
| 278 | throw new IndexOutOfBoundsException("Illegal argument to ComboBox.setSelectedIndex: " + selectedIndex); |
| 279 | } |
| 280 | final int oldSelection = this.selectedIndex; |
| 281 | this.selectedIndex = selectedIndex; |
| 282 | if(selectedIndex == -1) { |
| 283 | text = ""; |
| 284 | } |
| 285 | else { |
| 286 | text = items.get(selectedIndex).toString(); |
| 287 | } |
| 288 | if(textInputPosition > text.length()) { |
| 289 | textInputPosition = text.length(); |
| 290 | } |
| 291 | runOnGUIThreadIfExistsOtherwiseRunDirect(new Runnable() { |
| 292 | @Override |
| 293 | public void run() { |
| 294 | for(Listener listener: listeners) { |
| 295 | listener.onSelectionChanged(selectedIndex, oldSelection); |
| 296 | } |
| 297 | } |
| 298 | }); |
| 299 | invalidate(); |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Returns the index of the currently selected item |
| 304 | * @return Index of the currently selected item |
| 305 | */ |
| 306 | public int getSelectedIndex() { |
| 307 | return selectedIndex; |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Adds a new listener to the {@code ComboBox} that will be called on certain user actions |
| 312 | * @param listener Listener to attach to this {@code ComboBox} |
| 313 | * @return Itself |
| 314 | */ |
| 315 | public ComboBox<V> addListener(Listener listener) { |
| 316 | if(listener != null && !listeners.contains(listener)) { |
| 317 | listeners.add(listener); |
| 318 | } |
| 319 | return this; |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * Removes a listener from this {@code ComboBox} so that if it had been added earlier, it will no longer be |
| 324 | * called on user actions |
| 325 | * @param listener Listener to remove from this {@code ComboBox} |
| 326 | * @return Itself |
| 327 | */ |
| 328 | public ComboBox<V> removeListener(Listener listener) { |
| 329 | listeners.remove(listener); |
| 330 | return this; |
| 331 | } |
| 332 | |
| 333 | @Override |
| 334 | protected void afterEnterFocus(FocusChangeDirection direction, Interactable previouslyInFocus) { |
| 335 | if(direction == FocusChangeDirection.RIGHT && !isReadOnly()) { |
| 336 | dropDownFocused = false; |
| 337 | selectedIndex = 0; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | @Override |
| 342 | protected void afterLeaveFocus(FocusChangeDirection direction, Interactable nextInFocus) { |
| 343 | if(popupWindow != null) { |
| 344 | popupWindow.close(); |
| 345 | popupWindow = null; |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | @Override |
| 350 | protected InteractableRenderer<ComboBox<V>> createDefaultRenderer() { |
| 351 | return new DefaultComboBoxRenderer<V>(); |
| 352 | } |
| 353 | |
| 354 | @Override |
| 355 | public synchronized Result handleKeyStroke(KeyStroke keyStroke) { |
| 356 | if(isReadOnly()) { |
| 357 | return handleReadOnlyCBKeyStroke(keyStroke); |
| 358 | } |
| 359 | else { |
| 360 | return handleEditableCBKeyStroke(keyStroke); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | private Result handleReadOnlyCBKeyStroke(KeyStroke keyStroke) { |
| 365 | switch(keyStroke.getKeyType()) { |
| 366 | case ArrowDown: |
| 367 | if(popupWindow != null) { |
| 368 | popupWindow.listBox.handleKeyStroke(keyStroke); |
| 369 | return Result.HANDLED; |
| 370 | } |
| 371 | return Result.MOVE_FOCUS_DOWN; |
| 372 | |
| 373 | case ArrowUp: |
| 374 | if(popupWindow != null) { |
| 375 | popupWindow.listBox.handleKeyStroke(keyStroke); |
| 376 | return Result.HANDLED; |
| 377 | } |
| 378 | return Result.MOVE_FOCUS_UP; |
| 379 | |
| 380 | case Enter: |
| 381 | if(popupWindow != null) { |
| 382 | popupWindow.listBox.handleKeyStroke(keyStroke); |
| 383 | popupWindow.close(); |
| 384 | popupWindow = null; |
| 385 | } |
| 386 | else { |
| 387 | popupWindow = new PopupWindow(); |
| 388 | popupWindow.setPosition(toGlobal(getPosition().withRelativeRow(1))); |
| 389 | ((WindowBasedTextGUI) getTextGUI()).addWindow(popupWindow); |
| 390 | } |
| 391 | break; |
| 392 | |
| 393 | case Escape: |
| 394 | if(popupWindow != null) { |
| 395 | popupWindow.close(); |
| 396 | popupWindow = null; |
| 397 | return Result.HANDLED; |
| 398 | } |
| 399 | break; |
| 400 | |
| 401 | default: |
| 402 | } |
| 403 | return super.handleKeyStroke(keyStroke); |
| 404 | } |
| 405 | |
| 406 | private Result handleEditableCBKeyStroke(KeyStroke keyStroke) { |
| 407 | //First check if we are in drop-down focused mode, treat keystrokes a bit differently then |
| 408 | if(isDropDownFocused()) { |
| 409 | switch(keyStroke.getKeyType()) { |
| 410 | case ReverseTab: |
| 411 | case ArrowLeft: |
| 412 | dropDownFocused = false; |
| 413 | textInputPosition = text.length(); |
| 414 | return Result.HANDLED; |
| 415 | |
| 416 | //The rest we can process in the same way as with read-only combo boxes when we are in drop-down focused mode |
| 417 | default: |
| 418 | return handleReadOnlyCBKeyStroke(keyStroke); |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | switch(keyStroke.getKeyType()) { |
| 423 | case Character: |
| 424 | text = text.substring(0, textInputPosition) + keyStroke.getCharacter() + text.substring(textInputPosition); |
| 425 | textInputPosition++; |
| 426 | return Result.HANDLED; |
| 427 | |
| 428 | case Tab: |
| 429 | dropDownFocused = true; |
| 430 | return Result.HANDLED; |
| 431 | |
| 432 | case Backspace: |
| 433 | if(textInputPosition > 0) { |
| 434 | text = text.substring(0, textInputPosition - 1) + text.substring(textInputPosition); |
| 435 | textInputPosition--; |
| 436 | } |
| 437 | return Result.HANDLED; |
| 438 | |
| 439 | case Delete: |
| 440 | if(textInputPosition < text.length()) { |
| 441 | text = text.substring(0, textInputPosition) + text.substring(textInputPosition + 1); |
| 442 | } |
| 443 | return Result.HANDLED; |
| 444 | |
| 445 | case ArrowLeft: |
| 446 | if(textInputPosition > 0) { |
| 447 | textInputPosition--; |
| 448 | } |
| 449 | else { |
| 450 | return Result.MOVE_FOCUS_LEFT; |
| 451 | } |
| 452 | return Result.HANDLED; |
| 453 | |
| 454 | case ArrowRight: |
| 455 | if(textInputPosition < text.length()) { |
| 456 | textInputPosition++; |
| 457 | } |
| 458 | else { |
| 459 | dropDownFocused = true; |
| 460 | return Result.HANDLED; |
| 461 | } |
| 462 | return Result.HANDLED; |
| 463 | |
| 464 | case ArrowDown: |
| 465 | if(selectedIndex < items.size() - 1) { |
| 466 | setSelectedIndex(selectedIndex + 1); |
| 467 | } |
| 468 | return Result.HANDLED; |
| 469 | |
| 470 | case ArrowUp: |
| 471 | if(selectedIndex > 0) { |
| 472 | setSelectedIndex(selectedIndex - 1); |
| 473 | } |
| 474 | return Result.HANDLED; |
| 475 | |
| 476 | default: |
| 477 | } |
| 478 | return super.handleKeyStroke(keyStroke); |
| 479 | } |
| 480 | |
| 481 | private class PopupWindow extends BasicWindow { |
| 482 | private final ActionListBox listBox; |
| 483 | |
| 484 | public PopupWindow() { |
| 485 | setHints(Arrays.asList( |
| 486 | Hint.NO_FOCUS, |
| 487 | Hint.FIXED_POSITION)); |
| 488 | listBox = new ActionListBox(ComboBox.this.getSize().withRows(getItemCount())); |
| 489 | for(int i = 0; i < getItemCount(); i++) { |
| 490 | V item = items.get(i); |
| 491 | final int index = i; |
| 492 | listBox.addItem(item.toString(), new Runnable() { |
| 493 | @Override |
| 494 | public void run() { |
| 495 | setSelectedIndex(index); |
| 496 | close(); |
| 497 | } |
| 498 | }); |
| 499 | } |
| 500 | listBox.setSelectedIndex(getSelectedIndex()); |
| 501 | setComponent(listBox); |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * Helper interface that doesn't add any new methods but makes coding new combo box renderers a little bit more clear |
| 507 | */ |
| 508 | public static abstract class ComboBoxRenderer<V> implements InteractableRenderer<ComboBox<V>> { |
| 509 | } |
| 510 | |
| 511 | /** |
| 512 | * This class is the default renderer implementation which will be used unless overridden. The combo box is rendered |
| 513 | * like a text box with an arrow point down to the right of it, which can receive focus and triggers the popup. |
| 514 | * @param <V> Type of items in the combo box |
| 515 | */ |
| 516 | public static class DefaultComboBoxRenderer<V> extends ComboBoxRenderer<V> { |
| 517 | |
| 518 | private int textVisibleLeftPosition; |
| 519 | |
| 520 | /** |
| 521 | * Default constructor |
| 522 | */ |
| 523 | public DefaultComboBoxRenderer() { |
| 524 | this.textVisibleLeftPosition = 0; |
| 525 | } |
| 526 | |
| 527 | @Override |
| 528 | public TerminalPosition getCursorLocation(ComboBox<V> comboBox) { |
| 529 | if(comboBox.isDropDownFocused()) { |
| 530 | return new TerminalPosition(comboBox.getSize().getColumns() - 1, 0); |
| 531 | } |
| 532 | else { |
| 533 | int textInputPosition = comboBox.getTextInputPosition(); |
| 534 | int textInputColumn = TerminalTextUtils.getColumnWidth(comboBox.getText().substring(0, textInputPosition)); |
| 535 | return new TerminalPosition(textInputColumn - textVisibleLeftPosition, 0); |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | @Override |
| 540 | public TerminalSize getPreferredSize(final ComboBox<V> comboBox) { |
| 541 | TerminalSize size = TerminalSize.ONE.withColumns( |
| 542 | (comboBox.getItemCount() == 0 ? TerminalTextUtils.getColumnWidth(comboBox.getText()) : 0) + 2); |
| 543 | synchronized(comboBox) { |
| 544 | for(int i = 0; i < comboBox.getItemCount(); i++) { |
| 545 | V item = comboBox.getItem(i); |
| 546 | size = size.max(new TerminalSize(TerminalTextUtils.getColumnWidth(item.toString()) + 2 + 1, 1)); // +1 to add a single column of space |
| 547 | } |
| 548 | } |
| 549 | return size; |
| 550 | } |
| 551 | |
| 552 | @Override |
| 553 | public void drawComponent(TextGUIGraphics graphics, ComboBox<V> comboBox) { |
| 554 | graphics.setForegroundColor(TextColor.ANSI.WHITE); |
| 555 | graphics.setBackgroundColor(TextColor.ANSI.BLUE); |
| 556 | if(comboBox.isFocused()) { |
| 557 | graphics.setForegroundColor(TextColor.ANSI.YELLOW); |
| 558 | graphics.enableModifiers(SGR.BOLD); |
| 559 | } |
| 560 | graphics.fill(' '); |
| 561 | int editableArea = graphics.getSize().getColumns() - 2; //This is exclusing the 'drop-down arrow' |
| 562 | int textInputPosition = comboBox.getTextInputPosition(); |
| 563 | int columnsToInputPosition = TerminalTextUtils.getColumnWidth(comboBox.getText().substring(0, textInputPosition)); |
| 564 | if(columnsToInputPosition < textVisibleLeftPosition) { |
| 565 | textVisibleLeftPosition = columnsToInputPosition; |
| 566 | } |
| 567 | if(columnsToInputPosition - textVisibleLeftPosition >= editableArea) { |
| 568 | textVisibleLeftPosition = columnsToInputPosition - editableArea + 1; |
| 569 | } |
| 570 | if(columnsToInputPosition - textVisibleLeftPosition + 1 == editableArea && |
| 571 | comboBox.getText().length() > textInputPosition && |
| 572 | TerminalTextUtils.isCharCJK(comboBox.getText().charAt(textInputPosition))) { |
| 573 | textVisibleLeftPosition++; |
| 574 | } |
| 575 | |
| 576 | String textToDraw = TerminalTextUtils.fitString(comboBox.getText(), textVisibleLeftPosition, editableArea); |
| 577 | graphics.putString(0, 0, textToDraw); |
| 578 | if(comboBox.isFocused()) { |
| 579 | graphics.disableModifiers(SGR.BOLD); |
| 580 | } |
| 581 | graphics.setForegroundColor(TextColor.ANSI.BLACK); |
| 582 | graphics.setBackgroundColor(TextColor.ANSI.WHITE); |
| 583 | graphics.putString(editableArea, 0, "|" + Symbols.ARROW_DOWN); |
| 584 | } |
| 585 | } |
| 586 | } |