content: // ===============================================================================
  // Authors: AFRL/RQQD
  // Organization: Air Force Research Laboratory, Aerospace Systems Directorate, Power and Control Division
  // 
  // Copyright (c) 2017 Government of the United State of America, as represented by
  // the Secretary of the Air Force.  No copyright is claimed in the United States under
  // Title 17, U.S. Code.  All Other Rights Reserved.
  // ===============================================================================
  
  /*
   * Created on 06.04.2005
   */
  package org.flexdock.plaf.theme.metal;
  
  import java.awt.Color;
  import java.awt.Component;
  import java.awt.Graphics;
  import java.awt.Rectangle;
  import java.awt.geom.Rectangle2D;
  
  import javax.swing.plaf.metal.MetalLookAndFeel;
  
  import org.flexdock.plaf.theme.TitlebarUI;
  import org.flexdock.view.Button;
  import org.flexdock.view.Titlebar;
  
  /**
   * @author Claudio Romano
   */
  public class MetalTitlebarUI extends TitlebarUI {
  
      protected void paintBackground(Graphics g, Titlebar titlebar) {
          Rectangle paintArea = getPaintRect( titlebar);
          g.translate(paintArea.x, paintArea.y);
          g.setColor(getBackgroundColor( titlebar.isActive()));
          g.fillRect(0, 0, paintArea.width, paintArea.height);
          g.translate(-paintArea.x, -paintArea.y);
  
          Rectangle paintAreaer = getPainterRect( g, titlebar);
          g.translate(paintAreaer.x, paintAreaer.y);
          painter.paint(g, paintAreaer.width, paintAreaer.height, titlebar.isActive(), titlebar);
          g.translate(-paintAreaer.x, -paintAreaer.y);
      }
  
      protected Color getBackgroundColor(boolean active) {
          return active ? MetalLookAndFeel.getPrimaryControl() : MetalLookAndFeel.getControl();
      }
  
      protected int getPainterX(Graphics g, Titlebar titlebar) {
          int paintX = getTextLocation( getIconRect( titlebar));
          Rectangle2D rect = g.getFontMetrics(super.getFont()).getStringBounds(titlebar.getText(),g);
          paintX += (int)rect.getWidth();
          paintX +=10;
          return paintX;
      }
  
      protected int getPainterWidth(Graphics g, Titlebar titlebar) {
          int buttonWidth = 0;
          Component[] c = titlebar.getComponents();
          for (int i = 0; i < c.length; i++) {
              if (!(c[i] instanceof Button))
                  continue;
  
              Button b = (Button) c[i];
              buttonWidth = b.getHeight();
              break;
          }
  
          int paintY = (getButtonMargin() + buttonWidth) * 2;
          paintY += 5;
          return paintY;
      }
  
      private Rectangle getPainterRect( Graphics g, Titlebar titlebar) {
          Rectangle painterRectangle = getPaintRect( titlebar);
          painterRectangle.x = getPainterX( g, titlebar);
  
          painterRectangle.width = titlebar.getWidth()-painterRectangle.x;
          painterRectangle.width -= getPainterWidth( g, titlebar);
  
          painterRectangle.y +=3;
          painterRectangle.height -= 6;
          return painterRectangle;
      }
  }
  