TextField get focus by mouse?

public void actionPerformed(ActionEvent actionevent) {
if ( textField.isFocusOwner()==true)
if(textField.getText().equals("Please input text") )
textField.setText("");
}But TextField get focus by pressing "Enter key".
How could i use mouse to get focus in TextField??
Thanks a lot !!

you can add a mouse listener to you frame so whenever someone clicks any of the mouse buttons it will give the text field the focus. Is that what you are looking for?

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Why my textfield can not get focus?

I put a textfield on the first tab of a tabbed panel. I need this textfield to get the focus when I open the first tab. I tried to use grabfocus() method in the constructor of class, but it does not work. Does anybody know why? and how can I solve it?
Thanks!

No, I didn't call grab/requestFocus on the event thread.
My code is like this:
public class GeneralPane extends JPanel {
JPanel ltPane;
private JTextField txtCountry;
public GeneralPane() {
initComponents();
private void initComponents(){
setLayout(new BorderLayout());
//Add another Panel to contain Labels and Text fileds
ltPane = new JPanel();
FocusListener mFL = new FL();
txtCountry = new JTextField("US", 20);
//this listener is used to store the data in the textfield into a variable
txtCountry.addFocusListener(mFL);
// add the textfield into ltPane
mUtil.insertTextPane(txtCountry,ltPane);
//txtCountry got focus
//txtCountry.setFocusable(true);
ltPane.requestFocus();
//txtCountry.requestFocusInWindow();
Then in the main program, I create an instance of this class and then use addTab(...) function into the my tabbedPanel.
The logic is simple, but the textfield still couldn't get focus when I open the tabbedPanel.

Cant get Focus on textfield

Hi
I have a class extending JFrame say "MainFrame" which consist of JSplitPane say "splitPaneA"
splitPaneA has top and bottom component.
TopComponent is another JsplitPane say "splitPaneA-B"
splitPaneA-B consist of a Jpanel say "B-rightPanel "as RightComponent and another JPanel as left.
splitPaneA has bottomcoponent which is Jpanel class say "BottomPanel " extendingJPanel
splitPaneA .setABottomComponent(new BottomPAnel());
BottomPanel has JtoolBar say toolBar
ToolBar has a JtextFiled say textField1 which needs to be focused as soon as bottomPanel loads.
I tried using following in BottomPanel class
this.setEnabled(true);
this.setFocusable(true);
this.setVisible(true);
this.requestFocusInWindow();
textField1.requestFocusInWindow()
But textFiled never gets focused.I also tried requestFocus method.
In class MainFrame
FocusManager.getCurrentManager().getFocusOwner()); always returns null
(FocusManager.getCurrentManager().getFocusedWindow()); returns null
this.hasFocus()); returns false
Any help is greatly appreciated.

Thanks for your responses.
This is my compilable,executable dummy code.I have taken out lines which are not relevant to focus issue as well as the import.Please llet me know what can be done to get the focus in textfield as soon as window loads.
public class DummyObjectSearchPanel extends JPanel implements ActionListener
JTextField textField1;
JButton searchButton;
ImageIcon searchIconIcon;
JToolBar jToolBar1;
private static Icon closeIcon = new ImageIcon(ObjectSearchMainPanel.class.getResource("/resources/images/close_small.gif"));
private JButton closeButton;
JFrame frame;
private String newline = "\n";
public DummyObjectSearchPanel()
this.setLayout(new BorderLayout());
this.setBorder(new ShadowBorder());
textField1 = new JTextField();
this.setEnabled(true);
this.setFocusable(true);
this.requestFocusInWindow();
this.setVisible(true);
textField1.requestFocus();
System.out.println("has focus " + textField1.hasFocus());
jToolBar1 = new JToolBar();
frame = new JFrame();
frame.setUndecorated(true);
jbInit();
void jbInit()
searchButton = new JButton();
searchButton.setText("SearchButton");
closeButton = new JButton(closeIcon);
ActionListener al = new ActionListener()
public void actionPerformed(ActionEvent ae)
textField1.requestFocusInWindow();
textField1.addActionListener(new java.awt.event.ActionListener()
public void actionPerformed(ActionEvent e)
searchButton_actionPerformed(e);
jToolBar1.setBorder(null);
jToolBar1.addSeparator();
jToolBar1.add(closeButton);
closeButton.setOpaque(false);
closeButton.setMargin(new Insets(4, 4, 4, 4));
Dimension closeBtnDimension = new Dimension(20, 20);
closeButton.setPreferredSize(closeBtnDimension);
closeButton.setMinimumSize(closeBtnDimension);
closeButton.setSize(closeBtnDimension);
closeButton.addActionListener(new java.awt.event.ActionListener()
public void actionPerformed(java.awt.event.ActionEvent evt)
//closeButton action taken out to make code short
jToolBar1.addSeparator();
jToolBar1.addSeparator();
jToolBar1.add(textField1);
jToolBar1.addSeparator();
jToolBar1.add(searchButton);
jToolBar1.addSeparator();
jToolBar1.addSeparator();
this.add(jToolBar1);
searchButton.addActionListener(new java.awt.event.ActionListener()
public void actionPerformed(ActionEvent e)
searchButton_actionPerformed(e);
textField1.requestFocusInWindow();
void searchButton_actionPerformed(ActionEvent e)
//searchbutton logic removed to simplify the code
private static void createAndShowGUI() {
//Create and set up the window.
JFrame frame = new JFrame("New Search");
Dimension d=new Dimension(600,100);
frame.setSize(d);
frame.setMinimumSize(d);
frame.setPreferredSize(d);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
//Create and set up the content pane.
JComponent newContentPane = new DummyObjectSearchPanel();
newContentPane.setOpaque(true); //content panes must be opaque
frame.getContentPane().add(new DummyObjectSearchPanel(),
BorderLayout.CENTER);
//Display the window.
//frame.pack();
frame.setVisible(true);
public static void main(String[] args) {
UIManager.put("swing.boldMetal", Boolean.FALSE);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
public void actionPerformed(ActionEvent e)
// TODO Auto-generated method stub
Thanks you so much

TextField keeps focus

Hi,
I have the following problem:
On my stage sits a MC: personTab.nameBase. Inside the
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_global.activeField = clipID;
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I hope someone can help me out. Thanks in advance.
Best regards,
Rick.

onRollOver (your button) you store the begin and end index of
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Selection.setSelection back to what it was...

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"I have a textfield and I want to execute a procedure when that textfield is focused"
and I bet, that he needs the feature too, when he enter the Item via "Next_Item", "Previous_Item", "Next_Record", "Previous_Record", "Next_Block", "Previous_Block", ...
these are the classical problems, when navigating to an item, when the developer thinks, that the user typically goes to that item via TAB. But after the first tests he learns, that SHIFT-TAB and all the other shortcuts described above have to work too.
At that point it's much better to use a WNII than Key-Triggers
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Here are my datagrid columns:
<datagrids:columns>
        <mx:AdvancedDataGridColumn dataField="Customer" headerText="Cust" editable="false"/>
        <mx:AdvancedDataGridColumn dataField="Balance" headerText="Bal" editable="false"/>
        <mx:AdvancedDataGridColumn dataField="paymentAmountString" headerText="Amount"
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        </mx:AdvancedDataGridColumn>
    </datagrids:columns>
Here is my custom renderer/editor, I've tried both a spark TextInput and an mx:TextInput. They both have the same behavior.
<?xml version="1.0" encoding="utf-8"?>
<s:MXAdvancedDataGridItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
                                  xmlns:s="library://ns.adobe.com/flex/spark"
                                  xmlns:mx="library://ns.adobe.com/flex/mx"
                                  focusEnabled="true">
    <fx:Script>
        <![CDATA[
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        ]]>
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                 restrict="[0-9][.]"/>
</s:MXAdvancedDataGridItemRenderer>
If I do an inline item editor it works just fine, it's when I move it out to a reusable component that this behavior happens.
Inline:
<datagrids:columns>
        <mx:DataGridColumn dataField="customer" headerText="Cust"
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                                  focusIn="textinput1_focusInHandler(event)">
                        <fx:Script>
                            <![CDATA[
                                import mx.controls.Alert;
                                import mx.controls.Text;
                                import mx.events.FlexEvent;
                                import mx.formatters.CurrencyFormatter;
                                [Bindable]
                                private var originalAmount:Number;
                                private var amountFormatter:CurrencyFormatter = new CurrencyFormatter();
                                protected function textinput1_focusOutHandler(event:FocusEvent):void
                                    var e:TextEvent = new TextEvent("amountEntered", true);
                                    var textField:TextField = event.target as TextField;
                                    var newAmount:Number = 0;
                                    if(!isNaN(parseFloat(textField.text))){
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                                    e.text = new String((newAmount - originalAmount) + "");
                                    dispatchEvent(e);
                                protected function textinput1_focusInHandler(event:FocusEvent):void
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                                    if(!isNaN(parseFloat(textfield.text))){
                                        originalAmount = parseFloat(textfield.text);
                                    } else {
                                        originalAmount = 0;
                            ]]>
                        </fx:Script>
                    </mx:TextInput>
                </fx:Component>
            </mx:itemEditor>
        </mx:DataGridColumn>
    </datagrids:columns>
Thanks for the help!

I attempted to do as you said using the following code:
override public function setFocus():void{
     stage.focus = amountTextInput;
     amountTextInput.setFocus();
I also tried adding an event handler to my renderer to capture the focus in event and try the same thing:
<s:MXAdvancedDataGridItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
                                  xmlns:s="library://ns.adobe.com/flex/spark"
                                  xmlns:mx="library://ns.adobe.com/flex/mx"
                                  focusEnabled="true"
                                  focusIn="mxadvanceddatagriditemrenderer1_focusInHandler(event)">
protected function mxadvanceddatagriditemrenderer1_focusInHandler(event:FocusEvent):void
     amountTextInput.setFocus();
Neither of these solutions work. I could just go back to using the inline code, but I'd prefer to not copy and paste that code into several different grids.
Thanks again for the help.

Disabled button getting focus

My problem is that a disabled button are getting focus, which is bad when the application are operated without a mouse.
I made this litlte demo to illustrate the problem.
Try pressing button no.1. This will disable button no.1 and button no.2,
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* NewJFrame.java
* Created on 29. september 2005, 16:55
import javax.swing.*;
* @author Peter
public class NewJFrame extends javax.swing.JFrame {
    /** Creates new form NewJFrame */
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        printButtonStatus();
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        printFocus (jButton1);
        printFocus (jButton2);
        printFocus (jButton3);
        printFocus (jButton4);
     * Just debug inf.
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        System.out.println ("Button=<" + button.getText () + ">, Enabled=<" + button.isEnabled() + ">, Focus=<" + button.isFocusable() + ">");
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     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
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        jPanel1 = new javax.swing.JPanel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
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        jButton4 = new javax.swing.JButton();
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        jButton2.setEnabled(false);
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        printButtonStatus();
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Very courius.
I have made a little change in your code.
1) scenario
Simply changing .setEnabled(false) invokation, the class works fine.
so
jButton2.setEnabled(false);
jButton3.setEnabled(false);
jButton1.setEnabled(false);
2) scenario
the class works fine also using your .setEnabled(false) order invokations and putting after those:
FocusManager.getCurrentManager().focusNextComponent();
I do not know exactly why, I suppose that is there something not properly
syncronized in events dispaching.
In my opinion:
a) setEnabled(false) at last calls for setEnabled(false) of JComponent
that fires a propertyChange event
so:
scenario 1)
buttons 2 and 3 are disabled before of button1 that has the focus in
that moment (given by a the mouse click on itself)
When botton1.setEnabled(false) is performed buttons 2 and 3 are
just disabled, so focus is got by button4 (that is enabled)
scenario 2)
button1 that has the focus (given it by the mouse click) becames
disabled before that button2 becames disabled too.
So, probably, when the event of PropertyChanged is fired and processed, button2.setEnabled(false) invokation has not been
just performed and swings looks for it as a focusable component
So, using FocusManager.getCurrentManager().focusNextComponent(),
we force the transer focus on next focusable component.
This is only a my suppose, looking what happens.
Regards.
import javax.swing.*;
* @author Peter
public class NewJFrame extends javax.swing.JFrame {
/** Creates new form NewJFrame */
public NewJFrame() {
initComponents();
private void printButtonStatus () {
printFocus (jButton1);
printFocus (jButton2);
printFocus (jButton3);
printFocus (jButton4);
System.out.println("--------------------------------");
* Just debug inf.
private void printFocus (JButton button) {
System.out.println ("Button=<" + button.getText () + ">, Enabled=<" + button.isEnabled() + ">, Focus=<" + button.hasFocus() + ">, Focusable=<" + button.isFocusable() + ">");
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jPanel2 = new javax.swing.JPanel();
jButton4 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jButton1.setText("jButton1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
jPanel1.add(jButton1);
jButton2.setText("jButton2");
jPanel1.add(jButton2);
jButton3.setText("jButton3");
jPanel1.add(jButton3);
getContentPane().add(jPanel1, java.awt.BorderLayout.NORTH);
jButton4.setText("jButton1");
jPanel2.add(jButton4);
getContentPane().add(jPanel2, java.awt.BorderLayout.CENTER);
pack();
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
// I have simply change the order
jButton2.setEnabled(false);
jButton3.setEnabled(false);
jButton1.setEnabled(false);
// with this sentence the class work with original .setEnabled order
//FocusManager.getCurrentManager().focusNextComponent();
SwingUtilities.invokeLater(new Runnable()
public void run()
printButtonStatus();
* @param args the command line arguments
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame().setVisible(true);
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
// End of variables declaration
}

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Sidenote: What is this updatePointer thing you use and what does it do?

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I create my JFormattedTextField like this:
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             MaskFormatter formatter = new MaskFormatter( "######-####" );
             JFormattedTextField idNr = new JFormattedTextField(formatter);
        catch(ParseException idNr){System.out.println(idNr);}Its working fine but the only problem is that when a user selects the JFormattedTextField to fil it out the focus is gained in the midle instead of the start where it should be.... Like normally a TextField would do.Can anyone help me with this?

This is a small subclass that only works with the DefaultFormatter constructor. Basically, you need to add a FocusListener and MouseListener. When the TextField gains focus, set a flag. When the user clicks in the TextField with the mouse the first time, the flag will be set (focus event comes first). The mouseClicked method will be called. If the flag is set, set the caret position to the beginning.
If the user clicks in the text field after the field already has focus, move the caret to the mouse position as normal.
Chad
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.JFormattedTextField;
import javax.swing.text.DefaultFormatter;
public class JMaskField extends JFormattedTextField
implements FocusListener, MouseListener
     private boolean justGotFocus;
     public JMaskField(DefaultFormatter mask)
          super(mask);
          addFocusListener(this);
          addMouseListener(this);
          justGotFocus = false;
     public void focusLost(FocusEvent event)
          setBackground(Color.white);
     public void focusGained(FocusEvent event)
          setBackground(Color.green);
          justGotFocus = true;
     public void mouseClicked(MouseEvent event)
          if (justGotFocus == true)
               justGotFocus = false;
               setCaretPosition(0);
     public void mouseEntered(MouseEvent e) {}
     public void mouseExited(MouseEvent e) {}
     public void mousePressed(MouseEvent e) {}
     public void mouseReleased(MouseEvent e) {}

TextField get focus by mouse?

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