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Thread: Preventing a JFrame from Being Iconified

  1. #1
    Member snowguy13's Avatar
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    Default Preventing a JFrame from Being Iconified

    Hi!

    I'm creating a program to manage the March Madness stuff my family does, so I can expand my knowledge of Java.

    Right now, I'm encountering a problem with the "New Tournament" dialog box... In the main program's GUI, the user clicks a menu item "New tournament..." and then the "New Tournament" dialog box appears. However, I don't want to allow the user to click out of the "New Tournament" dialog box, or allow them to iconify it.

    Right now, I'm using a WindowListener...

    //See windowDeactivated and windowIconified
    private class NewTournamentGUIWindowListener implements WindowListener
    {
     
       public void windowClosing(WindowEvent e)
       {
     
          //This code is not part of the problem
          MainGUI.newTournamentWindowOpened = false;
          MainGUI.setStatus();
     
       }
     
       public void windowClosed(WindowEvent e)
       {
     
     
     
       }
     
       public void windowOpened(WindowEvent e)
       {
     
     
     
       }
     
       public void windowDeactivated(WindowEvent e)
       {
     
          /*
           * Whenever the user clicks outside the JFrame
           * it is deiconified and refocused.
          */
     
          setExtendedState(JFrame.NORMAL);
          requestFocus();
     
       }
     
       public void windowActivated(WindowEvent e)
       {
     
     
     
       }
     
       public void windowDeiconified(WindowEvent e)
       {
     
     
     
       }
     
       public void windowIconified(WindowEvent e)
       {
     
          /*
           * Whenever the user attempts to iconify the window
           * it immediately deiconifies itself; however, this process
           * looks sloppy. How can I deactivate the "Minimize" icon
           * that occurs at the top right of the JFrame?
          */
     
          setExtendedState(JFrame.NORMAL);
     
       }
    }

    Does anyone know how to prevent a window that I've created from being iconified?
    Last edited by snowguy13; November 26th, 2011 at 11:27 PM.


  2. #2
    Administrator copeg's Avatar
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    Default Re: Preventing a JFrame from Being Iconified

    You don't mention how you are creating your dialog, but what about using a modal JDialog?

  3. The Following User Says Thank You to copeg For This Useful Post:

    snowguy13 (November 27th, 2011)

  4. #3
    Member snowguy13's Avatar
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    Default Re: Preventing a JFrame from Being Iconified

    Quote Originally Posted by copeg View Post
    You don't mention how you are creating your dialog, but what about using a modal JDialog?
    Okay, I did some research on modal dialogs, and appended my code a little. Before, it was like this...

    public class NewTournamentGUI extends JFrame
    {
     
       //... ...
     
       public NewTournamentGUI
       {
     
          super("New Tournament");
     
          //... ...
     
       }
     
       //... ...
     
    }

    ...and now it's like this...

    public class NewTournamentGUI extends JDialog
    {
     
       //... ...
     
       public NewTournamentGUI
       {
     
          super(new JFrame(), "New Tournament", Dialog.ModalityType.APPLICATION_MODAL);
     
          //... ...
     
       }
     
       //... ...
     
    }

    And now it works just the way I wanted to! Thank you very much!
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