Re: Making Scrollbars Appear

From: kag ("kag")
Date: 07/23/04

  • Next message: Sandip Chitale: "What different mechanisms for scrolling are available in the GUI toolkits - AWT, Swing, SWT, Others?<EOM>" 
    Date: Fri, 23 Jul 2004 11:44:51 -0700

    REvalidate()! That's the magic bullet! Thanks!

    "Thomas Fritsch" <no.spam@www.invalid> wrote in message
    news:1090603893.676613@igate1.ops.de...
    > kag wrote:
    >
    > >I have a KPanel class derived from JPanel. It is embedded in a
    JScrollPane.
    > >Initially the panel is blank and does not require scrollbars. As
    information
    > >is written to the panel, its size grows until scrollbars are required. I
    am
    > >overriding getPreferredSize in KPanel. Whenever information is added to
    the
    > >panel, I call repaint() on the JScrollPane, but this does not result in a
    > >call to KPanel's getPreferredSize.
    > >
    > Use revalidate() on your KPanel, whenever you change the KPanel's
    > preferred size.
    > See http://mindprod.com/jgloss/scrollbar.html
    >
    > > If I manually resize the window,
    > >getPreferredSize does get called and the scrollbars appear. How can I
    get
    > >the scrollbars to appear programmatically?
    > >
    > >
    > >
    > --
    > Thomas<dot>Fritsch<squiggle>ops<dot>de
    >

  • Next message: Sandip Chitale: "What different mechanisms for scrolling are available in the GUI toolkits - AWT, Swing, SWT, Others?<EOM>"

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