Java JComponent Container getGtkStyle(Object styleFactory, JComponent component, String regionName)

Description

Called internally by installGtkPopupBugWorkaround.

License

Open Source License

Parameter

Parameter	Description
styleFactory	The GTK style factory.
component	The target component of the style.
regionName	The name of the target region of the style.

Exception

Parameter	Description
Exception	When reflection fails.

Return

The GTK style.

Declaration

private static Object getGtkStyle(Object styleFactory, JComponent component, String regionName)
        throws Exception 

Method Source Code

//package com.java2s;
/*/*from ww  w. j  av  a  2  s .  c o m*/
 * Copyright (C) 2010-2012 Klaus Reimer <k@ailis.de>
 * See LICENSE.TXT for licensing information.
 */

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import javax.swing.JComponent;

public class Main {
    /**
     * Called internally by installGtkPopupBugWorkaround. Returns a specific
     * GTK style object.
     * 
     * @param styleFactory
     *            The GTK style factory.
     * @param component
     *            The target component of the style.
     * @param regionName
     *            The name of the target region of the style.
     * @return The GTK style.
     * @throws Exception
     *             When reflection fails.
     */
    private static Object getGtkStyle(Object styleFactory, JComponent component, String regionName)
            throws Exception {
        // Create the region object
        Class<?> regionClass = Class.forName("javax.swing.plaf.synth.Region");
        Field field = regionClass.getField(regionName);
        Object region = field.get(regionClass);

        // Get and return the style
        Class<?> styleFactoryClass = styleFactory.getClass();
        Method method = styleFactoryClass.getMethod("getStyle", new Class<?>[] { JComponent.class, regionClass });
        boolean accessible = method.isAccessible();
        method.setAccessible(true);
        Object style = method.invoke(styleFactory, component, region);
        method.setAccessible(accessible);
        return style;
    }
}

Related

1. getComponentState(JComponent c)
2. getDataFlavors(JComponent component)
3. getDeepestEmptyComponentAt(JComponent parent, Point location)
4. getFirstChildComponentOfType(Component component, Class childComponentType)
5. getGlassPane(JComponent comp)
6. getGtkStyle(Object styleFactory, JComponent component, String regionName)
7. getInputHint(JComponent comp)
8. getInsetBounds(JComponent comp)
9. getInterior(JComponent comp)