jviewport

I have written a MouseListener as defined below so that I can move a JButton around to reorder the components that are within the JPanel . The JPanel is within a JScrollPane so that when multiple components are added they can be scrolled. The problem I have is that when dragging the component and the mouse goes out of the scrollpane/viewport then the component will snap back to its position within the JPanel then will be drawn in the correct location. I assume that this behavior is due to the Viewport calling a repaint of its children when I call scrollRectToVisible() Is there a way that I can

I have a JScrollPanel that includes a big panel which it's self includes 3 inner panels. i want to put a panel (for example) in a special place so that always could be seen, I mean the user can scroll to anywhere wants but that panel always is in top of the other components and doesn't move. I tried to do that via JLayeredPane but I couldn't. how may I do that? trashgod There's a JLayeredPane example here , but OverlayLayout , seen here , may be of interest. It's not included in the conventional gallery . Also consider this example that paints on the scroll pane's JViewport . You could use The

I inspired by MeBigFatGuy interesting question , in this conection I have very specific question about Graphisc2D , how to change BackGround Color by depends if is JTables Row visible in the JViewPort , 1) if 1st. & last JTables Row will be visible in the JViewPort , then BackGround would be colored to the Color.red 2) if 1st. & last JTables Row will not be visible in the JViewPort , then BackGround would be colored to the Color.whatever from SSCCE import java.awt.*; import java.awt.event.ActionEvent; import java.awt.image.BufferedImage; import javax.swing.*; import javax.swing.RepaintManager;