Fix for issue 4335 (Scroll wheel in Control Panel is waaay too slow) Increa...

jvergara

03.58.2009 ed965a01d8392b63a57ff52b5e707bba253c32d2

Fix for issue 4335 (Scroll wheel in Control Panel is waaay too slow)
Increase the value of the unit increment in the scroll panes used by the control panel.

 opends/src/guitools/org/opends/guitools/controlpanel/ui/ColorAndFontConstants.java

@@ -22,7 +22,7 @@
 * CDDL HEADER END
 *
 *
 *      Copyright 2008 Sun Microsystems, Inc.
 *      Copyright 2008-2009 Sun Microsystems, Inc.
 */

package org.opends.guitools.controlpanel.ui;
@@ -85,6 +85,7 @@
    try
    {
      JScrollPane scroll = new JScrollPane();
      Utilities.setScrollIncrementUnit(scroll);
      border = scroll.getBorder();
      // If the border is of class MetalBorders$ScrollPaneBorder it cannot
      // be used.

 opends/src/guitools/org/opends/guitools/controlpanel/util/Utilities.java

@@ -402,6 +402,7 @@
    scroll.getViewport().setOpaque(false);
    scroll.getViewport().setBackground(ColorAndFontConstants.background);
    scroll.setBackground(ColorAndFontConstants.background);
    setScrollIncrementUnit(scroll);
    return scroll;
  }

@@ -417,10 +418,24 @@
    scroll.setOpaque(false);
    scroll.getViewport().setBackground(ColorAndFontConstants.background);
    scroll.setBackground(ColorAndFontConstants.background);
    setScrollIncrementUnit(scroll);
    return scroll;
  }

  /**
   * Sets the scroll increment unit for the scroll.
   * @param scroll the scroll to be updated.
   */
  public static void setScrollIncrementUnit(JScrollPane scroll)
  {
    if (scroll.getVerticalScrollBar() != null)
    {
      int increment = scroll.getVerticalScrollBar().getUnitIncrement();
      scroll.getVerticalScrollBar().setUnitIncrement(increment * 3);
    }
  }

  /**
   * Creates a button.
   * @param text the message to be displayed by the button.
   * @return the created button.