Java Code Examples for com.alee.utils.SwingUtils#hasFocusOwner()

The following examples show how to use com.alee.utils.SwingUtils#hasFocusOwner() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: WebInnerPopup.java    From weblaf with GNU General Public License v3.0 6 votes vote down vote up 
/**
 * Returns whether one of focusable children is focused or not.
 *
 * @return true if one of focusable children is focused, false otherwise
 */
public boolean isChildFocused ()
{
    for ( final WeakReference<Component> focusableChild : focusableChildren )
    {
        final Component component = focusableChild.get ();
        if ( component != null )
        {
            if ( SwingUtils.hasFocusOwner ( component ) )
            {
                return true;
            }
        }
    }
    return false;
}
Example 2
Source File: ComboBoxMouseWheelScrollBehavior.java    From weblaf with GNU General Public License v3.0 5 votes vote down vote up 
@Override
public void mouseWheelMoved ( @NotNull final MouseWheelEvent e )
{
    if ( component.isEnabled () && SwingUtils.hasFocusOwner ( component ) )
    {
        // Changing selection in case index actually changed
        final int index = component.getSelectedIndex ();
        final int newIndex = MathUtils.limit ( 0, index + e.getWheelRotation (), component.getModel ().getSize () - 1 );
        if ( newIndex != index )
        {
            component.setSelectedIndex ( newIndex );
        }
    }
}
Example 3
Source File: ComponentTransition.java    From weblaf with GNU General Public License v3.0 4 votes vote down vote up 
/**
 * Transition call
 */

protected void performTransitionImpl ( final Component content )
{
    // Ignore repeated change or change to same content
    if ( lastContent == content )
    {
        return;
    }

    // Remember new content to which area is switched
    lastContent = content;

    // When animation disabled or component is not shown performing transition instantly
    if ( !canAnimate () )
    {
        finishTransitionImpl ( content );
        return;
    }

    // Check for old transition
    if ( transition != null )
    {
        if ( isAnimating () )
        {
            // Cancel old transition if it is already running
            transition.cancelTransition ();
        }
        else
        {
            // Block transition if it has not yet started
            transition.setBlocked ( true );
        }
    }

    // Marking new transition start
    animating = true;

    // Width and height
    final int width = getWidth ();
    final int height = getHeight ();

    // Current content image
    final BufferedImage currentSnapshot;
    if ( transition != null )
    {
        currentSnapshot = transition.getOtherImage ();
    }
    else
    {
        final Component currentContent = getComponentCount () > 0 ? getComponent ( 0 ) : null;
        currentSnapshot = SwingUtils.createComponentSnapshot ( currentContent, width, height );
    }

    // Enabling focus for transition time so you can focus the panel
    // It will transfer focus onto inner components (or next, if no focusable inner components available) when transition ends
    setFocusable ( true );

    // Passing the focus from subcomponents onto the transition panel
    if ( restoreFocus && SwingUtils.hasFocusOwner ( ComponentTransition.this ) )
    {
        // Focus handler required to wait for focus change
        // This is required to handle focus properly and have atleast one component focused withing window of calendar
        // Otherwise focus will be lost and window may become "bugged" and may require additiona user actions in some cases
        final FocusAdapter focusHandle = new FocusAdapter ()
        {
            @Override
            public void focusGained ( final FocusEvent e )
            {
                removeFocusListener ( this );
                continueTransitionImpl ( content, width, height, currentSnapshot );
            }
        };
        addFocusListener ( focusHandle );

        // Requesting focus into transition panel
        if ( !ComponentTransition.this.requestFocusInWindow () )
        {
            // Request focus failed, continue without changing focus
            removeFocusListener ( focusHandle );
            continueTransitionImpl ( content, width, height, currentSnapshot );
        }
    }
    else
    {
        continueTransitionImpl ( content, width, height, currentSnapshot );
    }
}