javafx.scene.input.KeyEvent类的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中javafx.scene.input.KeyEvent类的一些代码示例，展示了KeyEvent类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。KeyEvent类的具体详情如下：
包路径：javafx.scene.input.KeyEvent
类名称：KeyEvent

KeyEvent介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

textField.setOnKeyPressed(new EventHandler<KeyEvent>()
 {
   @Override
   public void handle(KeyEvent ke)
   {
     if (ke.getCode().equals(KeyCode.ENTER))
     {
       doSomething();
     }
   }
 });

代码示例来源：origin: jfoenixadmin/JFoenix

private void initNavigation() {
  setOnKeyPressed(ke -> {
    switch (ke.getCode()) {
      case SPACE:
      case ENTER:
        // select the focused color
        if (focusedSquare != null) {
          focusedSquare.selectColor(ke);
        }
        ke.consume();
        break;
      default: // no-op
    }
  });
}

代码示例来源：origin: jfoenixadmin/JFoenix

editor.setWrapText(true);
editor.addEventFilter(KeyEvent.KEY_RELEASED, event -> {
  if (event.getCode() != KeyCode.ENTER) {
    getSkinnable().pseudoClassStateChanged(PSEUDO_CLASS_ERROR, false);
  switch (event.getCode()) {
    case ENTER:
      if (!editor.getText().trim().isEmpty()) {
      event.consume();
      break;
        if (event.isShiftDown()) {
          getBehavior().traverse(getSkinnable(), Direction.PREVIOUS);
        } else {
      event.consume();
      break;
      if (event.isControlDown()) {
        if (!autoCompletePopup.getFilteredSuggestions().isEmpty()) {
          autoCompletePopup.show(editor);
control.addEventFilter(KeyEvent.ANY, ke -> {
  if (editor != null) {
    if (ke.getTarget().equals(editor)) {
      return;
    if (ke.getTarget().equals(control)) {

代码示例来源：origin: jfoenixadmin/JFoenix

private void createEditorNode() {
  EventHandler<KeyEvent> keyEventsHandler = t -> {
    if (t.getCode() == KeyCode.ENTER) {
      commitHelper(false);
    } else if (t.getCode() == KeyCode.ESCAPE) {
      cancelEdit();
    } else if (t.getCode() == KeyCode.TAB) {
      commitHelper(false);
      editNext(!t.isShiftDown());
    }
  };
  ChangeListener<Boolean> focusChangeListener = (observable, oldValue, newValue) -> {
    //This focus listener fires at the end of cell editing when focus is lost
    //and when enter is pressed (because that causes the text field to lose focus).
    //The problem is that if enter is pressed then cancelEdit is called before this
    //listener runs and therefore the text field has been cleaned up. If the
    //text field is null we don't commit the edit. This has the useful side effect
    //of stopping the double commit.
    if (editorNode != null && !newValue) {
      commitHelper(true);
    }
  };
  editorNode = builder.createNode(getValue(), keyEventsHandler, focusChangeListener);
}

代码示例来源：origin: pmd/pmd

.filter(e -> !e.isConsumed())
.filter(e ->
      e.getEventType().equals(KeyEvent.KEY_RELEASED) && e.getCode() == KeyCode.ENTER
        || e.getEventType().equals(KeyEvent.KEY_PRESSED) && e.getCode() == KeyCode.TAB
    autoCompletePopup.getItems().get(focusIdx).getOnAction().handle(new ActionEvent());
  e.consume();
});
                .filter(key -> key.isControlDown() && key.getCode().equals(KeyCode.SPACE))
                .map(searchPoint -> myCodeArea.getCaretPosition());

代码示例来源：origin: eu.mihosoft.vrl.jcsg/jcsg

private boolean isModifierCorrect(KeyEvent t, KeyCode keyCode) {
  return (keyCode != KeyCode.ALT ^ t.isAltDown()) 
      && (keyCode != KeyCode.CONTROL ^ t.isControlDown()) 
      && (keyCode != KeyCode.SHIFT ^ t.isShiftDown()) 
      && (keyCode != KeyCode.META ^ t.isMetaDown());
}

代码示例来源：origin: org.tentackle/tentackle-fx

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public void setType(Class<?> type) {
 super.setType(type);
 // choice box does not need a value translator because the items are already of model type
 // and choice-box is not editable
 // deselect by DELETE- or BACKSPACE-key (with or without shift)
 component.addEventFilter(KeyEvent.KEY_PRESSED, event -> {
  if (!event.isAltDown() && !event.isControlDown() && !event.isMetaDown() && !event.isShortcutDown() &&
    (event.getCode() == KeyCode.DELETE || event.getCode() == KeyCode.BACK_SPACE) &&
    !component.isDisabled() && isDeselectAllowed()) {
   
   event.consume();
   component.getSelectionModel().clearSelection();
  }
 });
 if (type.isEnum()) {
  ObservableList items = component.getItems();
  items.clear();
  items.addAll(Arrays.asList(type.getEnumConstants()));
 }
}

代码示例来源：origin: at.bestsolution.efxclipse.rt/org.eclipse.fx.ui.controls

/**
 * The event
 *
 * @param source
 *            the source
 * @param target
 *            the target
 * @param event
 *            the key
 */
public VerifyEvent(Object source, EventTarget target, KeyEvent event) {
  super(source, target, VERIFY);
  boolean isKeyTyped = event.getEventType() == KeyEvent.KEY_TYPED;
  this.character = isKeyTyped ? event.getCharacter() : KeyEvent.CHAR_UNDEFINED;
  this.text = isKeyTyped ? "" : event.getText(); //$NON-NLS-1$
  this.code = isKeyTyped ? KeyCode.UNDEFINED : event.getCode();
  this.shiftDown = event.isShiftDown();
  this.controlDown = event.isControlDown();
  this.altDown = event.isAltDown();
  this.metaDown = event.isMetaDown();
}

代码示例来源：origin: ch.sahits.game/OpenPatricianJavaFX

@Override
public void handle(KeyEvent event) {
  if (event.getCode().equals(KeyCode.Q) && event.isControlDown()) {
    event.consume();
    Platform.exit();
  }
  
}

代码示例来源：origin: com.nexitia.emaginplatform/emagin-jfxcore-engine

/**
 * Keys CTRL + R: reload steelSheets
 */
protected void initRefreshCTRPlusRListener() {
 scene.get().addEventHandler(KeyEvent.KEY_RELEASED, event -> {
  switch (event.getCode()) {
   case PLUS:
    // CTRL + Bigger view
    if (event.isControlDown()) {
    }
    break;
   case MINUS:
    // CTRL - stretched view
    if (event.isControlDown()) {
    }
    break;
   case R:
    // CTRL + R ==> refresh CSS
    if (event.isControlDown()) {
     styleSheetManager.reLoadSteelSheets();
    }
    break;
   default:
    break;
  }
 });
}

代码示例来源：origin: org.controlsfx/controlsfx

@Override public void handle(KeyEvent event) {
    if (KeyCode.TAB.equals(event.getCode())) {
      if (lowThumb.isFocused()) {
        if (event.isShiftDown()) {
          lowThumb.setFocus(false);
          new ParentTraversalEngine(
              rangeSlider.getScene().getRoot(), algorithm)
          .select(lowThumb, Direction.PREVIOUS)
          .requestFocus();
        } else {
          lowThumb.setFocus(false);
          highThumb.setFocus(true);
        }
        event.consume();
      } else if (highThumb.isFocused()) {
        if(event.isShiftDown()) {
          highThumb.setFocus(false);
          lowThumb.setFocus(true);
        } else {
          highThumb.setFocus(false);
          new ParentTraversalEngine(
              rangeSlider.getScene().getRoot(), algorithm)
          .select(highThumb, Direction.NEXT)
          .requestFocus();
        }
        event.consume();
      }
    }
  }
};

代码示例来源：origin: at.bestsolution.eclipse/org.eclipse.fx.ui.controls

if (event.getCode() == KeyCode.ALT || event.isAltDown()) {
    event.consume();
  event.consume();
  return;
switch (event.getCode()) {
case SHIFT:
case ALT:
  break;
case LEFT: {
  if (event.isAltDown()) {
    invokeAction(ActionType.WORD_PREVIOUS);
  } else {
    if (offset == 0) {
      event.consume();
      break;
    @SuppressWarnings("unused")
    int newLine = getControl().getContent().getLineAtOffset(newOffset);
    getControl().impl_setCaretOffset(newOffset, event.isShiftDown());
    event.consume();
  if (event.isAltDown()) {
    invokeAction(ActionType.WORD_NEXT);
  } else if (event.isMetaDown()) {
    int currentLine = getControl().getContent().getLineAtOffset(offset);
    int lineOffset = getControl().getContent().getOffsetAtLine(currentLine);

代码示例来源：origin: org.processing/core

@SuppressWarnings("deprecation")
private int getKeyCode(KeyEvent fxEvent) {
 if (fxEvent.getEventType() == KeyEvent.KEY_TYPED) {
  return 0;
 }
 KeyCode kc = fxEvent.getCode();
 switch (kc) {
  case ALT_GRAPH:
   return PConstants.ALT;
  default:
   break;
 }
 return kc.impl_getCode();
}

代码示例来源：origin: at.bestsolution.efxclipse.rt/org.eclipse.fx.ui.workbench.fx

@SuppressWarnings("deprecation")
static final int convertEventToUnshiftedModifiedAccelerator(final KeyEvent event) {
  // Disregard alphabetic key strokes.
  if (Character.isLetter(event.getCharacter().charAt(0))) {
    return convertEventToUnmodifiedAccelerator(event);
  }
  int modifiers = getStateMask(event) & (FxKeyLookup.MODIFIER_MASK ^ FxKeyLookup.SHIFT);
  return modifiers + event.getCode().impl_getCode();
  // char character = topKey(event);
  // return modifiers + toUpperCase(character);
}

代码示例来源：origin: at.bestsolution.eclipse/org.eclipse.fx.text.ui

private void handleKeyTyped(KeyEvent event) {
  if( event.getCharacter().length() == 0 ) {
    return;
  String character = event.getCharacter();
  if( character.length() == 0 ) {
    return;
  if (event.isControlDown() || event.isAltDown() || (Util.isMacOS() && event.isMetaDown())) {
    if (!((event.isControlDown() || Util.isMacOS()) && event.isAltDown())) {
      return;
      this.offset += event.getCharacter().length();

代码示例来源：origin: com.github.vatbub/common.view.tagarea

public TagArea() {
  this.getStylesheets().add(getClass().getResource("style.css").toExternalForm());
  getStyleClass().setAll("tag-area");
  textField.setMinSize(80, 30);
  textField.setPrefWidth(80);
  textField.setOnAction(event -> {
    this.addTag(textField.getText());
    textField.clear();
  });
  textField.setOnKeyReleased(event -> {
    System.out.println("[Pressed] Pressed Key: " + event.getCode() + ", Character is: " + event.getCharacter());
    if (event.getCode() == KeyCode.BACK_SPACE && textField.getText().length() == 0) {
      List<Tag> tags = this.getTags();
      if (tags.size() != 0) {
        Tag lastTag = tags.get(tags.size() - 1);
        removeTag(lastTag);
        textField.setText(lastTag.getValue());
        textField.positionCaret(lastTag.getValue().length());
        event.consume();
      }
    } else if (event.getCode() == KeyCode.COMMA) {
      System.out.println("TextField value is: " + textField.getText());
      addTag(textField.getText().replaceAll(",", ""));
      textField.clear();
      event.consume();
    }
  });
  this.getChildren().add(textField);
}

代码示例来源：origin: eu.mihosoft.vrl.jcsg/jcsg

if (t.getEventType() == KeyEvent.KEY_PRESSED) {
  if (t.getCode() == modifier) {
    anchor = property.getValue();
    if (lastMouseEvent != null) {
      dragAnchor = getCoord(lastMouseEvent, orientation);
    t.consume();
} else if (t.getEventType() == KeyEvent.KEY_RELEASED) {
  if (t.getCode() != modifier && isModifierCorrect(t, modifier)) {
    anchor = property.getValue();
    if (lastMouseEvent != null) {
      dragAnchor = getCoord(lastMouseEvent, orientation);
    t.consume();

代码示例来源：origin: stackoverflow.com

public class ControllerClass {

  private final PauseTransition pauseBeforeSearch = new PauseTransition(Duration.millis(200));

  @FXML protected void keyReleased(KeyEvent evt)throws Exception {
    if (evt.getCode() != KeyCode.BACK_SPACE) {
      pauseBeforeSearch.setOnFinished(e -> {
        searchFrmDb(evt.getText(), new String[5]);
      });
      pauseBeforeSearch.playFromStart();
    }
  }

}

代码示例来源：origin: com.github.wshackle/poseList3DPlot

private void handleKeyEvent(javafx.scene.input.KeyEvent event) {
  if (event.isAltDown()) {
    double r = event.isShiftDown() ? 1 : -1;
    switch (event.getCode()) {
      case X:
        composeRotation(r, Vector3D.PLUS_I, rxy);
        break;
      case Y:
        composeRotation(r, Vector3D.PLUS_J, rxy);
        break;
      case Z:
        rz.setAngle(rz.getAngle() + r);
        break;
    }
  } else {
    double tinc = event.isShiftDown() ? 10 : -10;
    switch (event.getCode()) {
      case X:
        t.setX(t.getX() + tinc);
        break;
      case Y:
        t.setY(t.getY() + tinc);
        break;
      case Z:
        t.setZ(t.getZ() + tinc);
        break;
    }
  }
}

代码示例来源：origin: org.processing/core

@SuppressWarnings("deprecation")
private char getKeyChar(KeyEvent fxEvent) {
 KeyCode kc = fxEvent.getCode();
 if (fxEvent.getEventType() == KeyEvent.KEY_TYPED) {
  ch = fxEvent.getCharacter();
 } else {
  ch = kc.impl_getChar();

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