Example usage for java.awt Component hasFocus

Introduction

In this page you can find the example usage for java.awt Component hasFocus.

Prototype

public boolean hasFocus() 

Source Link

Document

Returns true if this Component is the focus owner.

Usage

From source file:Main.java

public static boolean hasOrContainsFocus(Component c) {
    if (c.hasFocus()) {
        return true;
    }/*w w  w. j a  v  a2  s  .c  om*/
    if (c instanceof Container) {
        Container container = (Container) c;
        for (Component childComponent : container.getComponents()) {
            if (hasOrContainsFocus(childComponent)) {
                return true;
            }
        }
    }
    return false;
}

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From source file:Main.java

public static Component getFirstChildComponent(Container container, Class ofType) {
    java.awt.Component[] comps = container.getComponents();
    Component comp = null;
    for (int n = 0; n < comps.length; n++) {
        System.out.println("WHat component am I " + n + ":" + comps[n] + " IN " + container);
        if (ofType.isInstance(comps[n]))
            return comps[n];
        if (comps[n] instanceof JComponent || comps[n] instanceof Container)
            comp = getFirstChildComponent((Container) comps[n], ofType);
        if (comp != null) {
            // Does this component have the focus?
            boolean hasFocus = comp.hasFocus();
            if (hasFocus)
                return comp;
        }/* w  w w. j  a v  a  2 s . c  o  m*/
    }
    return null;
}

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From source file:MouseEnterFocusMover.java

public void mouseEntered(MouseEvent mouseEvent) {
    Component component = mouseEvent.getComponent();
    if (!component.hasFocus()) {
        component.requestFocusInWindow();
    }//from  w w w.ja  v  a2 s. c o m
}

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From source file:self.philbrown.javaQuery.$.java

/**
 * Searches the view hierarchy rooted at the given view in order to find the currently
 * selected view//from   w  w w  .  j  a  v  a  2  s  . c  o m
 * @param view the view to search within
 * @return the selected view, or null if no view in the given hierarchy was found.
 */
private Component recursivelyFindSelectedSubView(Component view) {
    if (view.hasFocus())
        return view;
    else if (view instanceof Container) {
        Component v = null;
        for (int i = 0; i < ((Container) view).getComponentCount(); i++) {
            v = recursivelyFindSelectedSubView(((Container) view).getComponent(i));
            if (v != null)
                return v;
        }
        return null;
    } else
        return null;
}

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From source file:self.philbrown.javaQuery.$.java

/**
 * Gives focus to the first focusable view in the current selection.
 * @return this/*from w  w w. j  av  a  2s . co m*/
 */
public $ focus() {
    for (Component view : this.views) {
        view.requestFocus();
        if (view.hasFocus()) {
            break;
        }
    }
    return this;
}

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