Example usage for javax.swing.text JTextComponent addCaretListener

Introduction

In this page you can find the example usage for javax.swing.text JTextComponent addCaretListener.

Prototype

public void addCaretListener(CaretListener listener) 

Source Link

Document

Adds a caret listener for notification of any changes to the caret.

Usage

From source file:Main.java

public static void main(String[] argv) {
    JTextComponent textComp = new JTextArea();
    textComp.addCaretListener(new CaretListener() {
        public void caretUpdate(CaretEvent e) {

            int dot = e.getDot();
            System.out.println("dot is the caret position:" + dot);

            int mark = e.getMark();
            System.out.println("mark is the non-caret end of the selection: " + mark);
        }/*from  w w  w  . j a v  a  2s  .c  o m*/
    });
}

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From source file:Main.java

private static void addJTextComponentListeners(JTextComponent c, Object... objs) {
    if (c == null)
        return;//from  ww w . j  a v  a  2s  .  c  o m
    addJContainerListeners(c, objs);
    CaretListener caretListener = search(objs, CaretListener.class);
    InputMethodListener inputMethodListener = search(objs, InputMethodListener.class);
    if (caretListener != null)
        c.addCaretListener(caretListener);
    if (inputMethodListener != null)
        c.addInputMethodListener(inputMethodListener);
}

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From source file:org.executequery.gui.editor.autocomplete.QueryEditorAutoCompletePopupProvider.java

private void addFocusActions() {

    JTextComponent textComponent = queryEditorTextComponent();

    ActionMap actionMap = textComponent.getActionMap();
    actionMap.put(LIST_FOCUS_ACTION_KEY, listFocusAction);
    actionMap.put(LIST_SCROLL_ACTION_KEY_DOWN, listScrollActionDown);
    actionMap.put(LIST_SCROLL_ACTION_KEY_UP, listScrollActionUp);
    actionMap.put(LIST_SELECTION_ACTION_KEY, listSelectionAction);
    actionMap.put(LIST_SCROLL_ACTION_KEY_PAGE_DOWN, listScrollActionPageDown);
    actionMap.put(LIST_SCROLL_ACTION_KEY_PAGE_UP, listScrollActionPageUp);

    InputMap inputMap = textComponent.getInputMap();
    saveExistingActions(inputMap);//ww w. j  a  va 2 s.c  o m

    inputMap.put(KEY_STROKE_DOWN, LIST_SCROLL_ACTION_KEY_DOWN);
    inputMap.put(KEY_STROKE_UP, LIST_SCROLL_ACTION_KEY_UP);

    inputMap.put(KEY_STROKE_PAGE_DOWN, LIST_SCROLL_ACTION_KEY_PAGE_DOWN);
    inputMap.put(KEY_STROKE_PAGE_UP, LIST_SCROLL_ACTION_KEY_PAGE_UP);

    inputMap.put(KEY_STROKE_TAB, LIST_FOCUS_ACTION_KEY);
    inputMap.put(KEY_STROKE_ENTER, LIST_SELECTION_ACTION_KEY);

    textComponent.addCaretListener(this);
}

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