Example usage for java.awt.event KeyEvent CHAR

Introduction

In this page you can find the example usage for java.awt.event KeyEvent CHAR_UNDEFINED.

Prototype

char CHAR_UNDEFINED

To view the source code for java.awt.event KeyEvent CHAR_UNDEFINED.

Click Source Link

Document

KEY_PRESSED and KEY_RELEASED events which do not map to a valid Unicode character use this for the keyChar value.

Usage

From source file:net.sf.jabref.gui.AutoCompleteListener.java

@Override
public void keyPressed(KeyEvent e) {
    if ((toSetIn != null) && (e.getKeyCode() == KeyEvent.VK_ENTER)) {
        JTextComponent comp = (JTextComponent) e.getSource();

        // replace typed characters by characters from completion
        lastBeginning = lastCompletions[lastShownCompletion];

        int end = comp.getSelectionEnd();
        comp.select(end, end);// w  ww.ja va2  s . co m
        toSetIn = null;
        if (consumeEnterKey) {
            e.consume();
        }
    }
    // Cycle through alternative completions when user presses PGUP/PGDN:
    else if ((e.getKeyCode() == KeyEvent.VK_PAGE_DOWN) && (toSetIn != null)) {
        cycle((JTextComponent) e.getSource(), 1);
        e.consume();
    } else if ((e.getKeyCode() == KeyEvent.VK_PAGE_UP) && (toSetIn != null)) {
        cycle((JTextComponent) e.getSource(), -1);
        e.consume();
    }
    //        else if ((e.getKeyCode() == KeyEvent.VK_BACK_SPACE)) {
    //           StringBuffer currentword = getCurrentWord((JTextComponent) e.getSource());
    //           // delete last char to obey semantics of back space
    //           currentword.deleteCharAt(currentword.length()-1);
    //           doCompletion(currentword, e);
    //        }
    else if (e.getKeyChar() == KeyEvent.CHAR_UNDEFINED) {
        if (e.getKeyCode() != KeyEvent.VK_SHIFT) {
            // shift is OK, everyhting else leads to a reset
            resetAutoCompletion();
        } else {
            LOGGER.debug("Special case: shift pressed. No action.");
        }
    } else {
        LOGGER.debug("Special case: defined character, but not caught above");
    }
}

From source file:net.sf.jabref.gui.autocompleter.AutoCompleteListener.java

@Override
public void keyPressed(KeyEvent e) {
    if ((toSetIn != null) && (e.getKeyCode() == KeyEvent.VK_ENTER)) {
        JTextComponent comp = (JTextComponent) e.getSource();

        // replace typed characters by characters from completion
        lastBeginning = lastCompletions.get(lastShownCompletion);

        int end = comp.getSelectionEnd();
        comp.select(end, end);//from w  w w . ja  v  a  2 s  .  c o m
        toSetIn = null;
        if (consumeEnterKey) {
            e.consume();
        }
    }
    // Cycle through alternative completions when user presses PGUP/PGDN:
    else if ((e.getKeyCode() == KeyEvent.VK_PAGE_DOWN) && (toSetIn != null)) {
        cycle((JTextComponent) e.getSource(), 1);
        e.consume();
    } else if ((e.getKeyCode() == KeyEvent.VK_PAGE_UP) && (toSetIn != null)) {
        cycle((JTextComponent) e.getSource(), -1);
        e.consume();
    }
    //        else if ((e.getKeyCode() == KeyEvent.VK_BACK_SPACE)) {
    //           StringBuffer currentword = getCurrentWord((JTextComponent) e.getSource());
    //           // delete last char to obey semantics of back space
    //           currentword.deleteCharAt(currentword.length()-1);
    //           doCompletion(currentword, e);
    //        }
    else if (e.getKeyChar() == KeyEvent.CHAR_UNDEFINED) {
        if (e.getKeyCode() == KeyEvent.VK_SHIFT) {
            // shift is OK, everything else leads to a reset
            LOGGER.debug("Special case: shift pressed. No action.");
        } else {
            resetAutoCompletion();
        }
    } else {
        LOGGER.debug("Special case: defined character, but not caught above");
    }
}

From source file:com.callidusrobotics.swing.SwingConsole.java

@Override
@SuppressWarnings("PMD.NullAssignment")
public char getKeyPress() {
    lastKeyPressed = null;//from   w  ww .j  a  va  2  s  .c  o m
    while (lastKeyPressed == null) {
        Thread.yield();
    }

    if (lastKeyPressed.getKeyChar() == KeyEvent.CHAR_UNDEFINED) {
        return (char) lastKeyPressed.getKeyCode();
    }

    return lastKeyPressed.getKeyChar();
}

From source file:brut.androlib.res.xml.ResXmlEncoders.java

private static boolean isPrintableChar(char c) {
    Character.UnicodeBlock block = Character.UnicodeBlock.of(c);
    return !Character.isISOControl(c) && c != KeyEvent.CHAR_UNDEFINED && block != null
            && block != Character.UnicodeBlock.SPECIALS;
}

From source file:com.forerunnergames.tools.common.Strings.java

/**
 * Checks whether the character c is a printable character.
 *
 * @param c/*  w w  w  .j  a v  a  2s .  co m*/
 *          The character to check.
 *
 * @return True if the character c is a printable character, false otherwise.
 */
public static boolean isPrintable(final char c) {
    final Character.UnicodeBlock unicodeBlock = Character.UnicodeBlock.of(c);

    return !Character.isISOControl(c) && c != KeyEvent.CHAR_UNDEFINED && unicodeBlock != null
            && unicodeBlock != Character.UnicodeBlock.SPECIALS;
}

From source file:com.callidusrobotics.swing.SwingConsole.java

@Override
public String getline(final int maxLen, final Color foreground, final Color background)
        throws ArrayIndexOutOfBoundsException {
    final StringBuffer stringBuffer = new StringBuffer(maxLen);

    boolean keepPolling = true;
    while (keepPolling) {
        if (stringBuffer.length() < maxLen) {
            showCursor();//w  w w.  ja  v  a 2 s .c om
        } else {
            hideCursor();
        }
        render();

        final char input = getKeyTyped();
        switch (input) {
        case KeyEvent.VK_ENTER:
            keepPolling = false;
            break;

        case KeyEvent.VK_BACK_SPACE:
            if (stringBuffer.length() > 0) {
                stringBuffer.deleteCharAt(stringBuffer.length() - 1);
                moveCursor(cursorRow, cursorCol - 1);
                print(cursorRow, cursorCol, ' ', background, background);
            }
            break;

        case KeyEvent.CHAR_UNDEFINED:
        case KeyEvent.VK_DELETE:
        case KeyEvent.VK_ESCAPE:
            // ignore these characters
            break;

        default:
            if (stringBuffer.length() < maxLen) {
                stringBuffer.append(input);
                print(cursorRow, cursorCol, input, foreground, background);
                moveCursor(cursorRow, cursorCol + 1);
            }
        }
    }

    hideCursor();
    render();

    return stringBuffer.toString();
}

From source file:com.AandR.beans.plotting.imagePlotPanel.CanvasPanel.java

/**
 *
 *//*w  ww . j  a  v a 2 s. c o  m*/
public void actionPerformed(ActionEvent e) {
    JMenuItem item = (JMenuItem) e.getSource();
    int modifiers = item.getAccelerator().getModifiers();
    int keyCode = item.getAccelerator().getKeyCode();
    dispatchEvent(new KeyEvent(this, KeyEvent.KEY_PRESSED, 0, modifiers, keyCode, KeyEvent.CHAR_UNDEFINED));
}

From source file:com.sec.ose.osi.ui.frm.main.manage.dialog.JDlgProjectCreate.java

/**
 * This method initializes jComboBoxClonedFrom   
 *    /*w  w w.j  a v a2s  .  co  m*/
 * @return javax.swing.JComboBox   
 */
private JComboBox<String> getJComboBoxClonedFrom() {
    if (jComboBoxClonedFrom == null) {
        jComboBoxClonedFrom = new JComboBox<String>();
        jComboBoxClonedFrom.setRenderer(new ComboToopTip());
        jComboBoxClonedFrom.setEditable(true);
        jComboBoxClonedFrom.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent e) {
                log.debug("jComboBoxClonedFrom.actionPerformed()");
                eventHandler.handleEvent(EventHandler.COMBO_CLONED_FROM);
            }
        });
        refresh(jComboBoxClonedFrom);

        final JTextField editor;
        editor = (JTextField) jComboBoxClonedFrom.getEditor().getEditorComponent();
        editor.addKeyListener(new KeyAdapter() {
            public void keyReleased(KeyEvent e) {
                char ch = e.getKeyChar();

                if (ch != KeyEvent.VK_ENTER && ch != KeyEvent.VK_BACK_SPACE
                        && (ch == KeyEvent.CHAR_UNDEFINED || Character.isISOControl(ch)))
                    return;
                if (ch == KeyEvent.VK_ENTER) {
                    jComboBoxClonedFrom.hidePopup();
                    return;
                }

                String str = editor.getText();

                if (jComboBoxClonedFrom.getComponentCount() > 0) {
                    jComboBoxClonedFrom.removeAllItems();
                }

                jComboBoxClonedFrom.addItem(str);
                try {
                    String tmpProjectName = null;
                    if (str.length() > 0) {
                        for (int i = 0; i < names.size(); i++) {
                            tmpProjectName = names.get(i);
                            if (tmpProjectName.toLowerCase().startsWith(str.toLowerCase()))
                                jComboBoxClonedFrom.addItem(tmpProjectName);
                        }
                    } else {
                        for (int i = 0; i < names.size(); i++) {
                            jComboBoxClonedFrom.addItem(names.get(i));
                        }
                    }
                } catch (Exception e1) {
                    log.warn(e1.getMessage());
                }

                jComboBoxClonedFrom.hidePopup();
                if (str.length() > 0)
                    jComboBoxClonedFrom.showPopup();
            }
        });

        editor.addFocusListener(new FocusAdapter() {
            public void focusGained(FocusEvent e) {
                if (editor.getText().length() > 0)
                    jComboBoxClonedFrom.showPopup();
            }

            public void focusLost(FocusEvent e) {
                jComboBoxClonedFrom.hidePopup();
            }
        });
    }
    return jComboBoxClonedFrom;
}

From source file:org.tinymediamanager.ui.movies.MoviePanel.java

private void addKeyListener() {
    table.addKeyListener(new KeyListener() {
        private long lastKeypress = 0;
        private String searchTerm = "";

        @Override/*from   w  ww.j  a v a  2 s .  c om*/
        public void keyTyped(KeyEvent arg0) {
            long now = System.currentTimeMillis();
            if (now - lastKeypress > 500) {
                searchTerm = "";
            }
            lastKeypress = now;

            if (arg0.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
                searchTerm += arg0.getKeyChar();
            }

            if (StringUtils.isNotBlank(searchTerm)) {
                TableModel model = table.getModel();
                for (int i = 0; i < model.getRowCount(); i++) {
                    if (model.getValueAt(i, 0) instanceof Movie) {
                        String title = ((Movie) model.getValueAt(i, 0)).getTitleSortable()
                                .toLowerCase(Locale.ROOT);
                        if (title.startsWith(searchTerm)) {
                            ListSelectionModel selectionModel = table.getSelectionModel();
                            selectionModel.setSelectionInterval(i, i);
                            table.scrollRectToVisible(new Rectangle(table.getCellRect(i, 0, true)));
                            break;
                        }
                    }
                }
            }
        }

        @Override
        public void keyReleased(KeyEvent arg0) {
        }

        @Override
        public void keyPressed(KeyEvent arg0) {
        }
    });
}

Example usage for java.awt.event KeyEvent CHAR_UNDEFINED

Introduction

Prototype

Document

Usage