I work on an app that uses single-character app-wide keyboard
accelerators to trigger Actions.  Not ideal, but that's what the legacy
version of the app does, so we are honoring that.
We have a dockable panel that contains a JTextField, and when the user

One more ;)
   int position = MyTextPane.getCaretPosition();
   Element elem = doc.getCharacterElement(position);
    ((HTMLDocument) MyJTextPane.getDocument()).insertAfterEnd(elem,

Hi, i have this chat system that i made, and i wanna make it with rooms.
So i want the lobby gui (A JFrame) to have some images resembling rooms
that you can click on to enter a room.
I would like them to be added incrementally, and have like a scrollpane

For my small application I want to use tabs. On one tab I display 'default
values' in JTextFields. On another tab I have a button which should do some
actions, based on the default values. I tried to write a method to collect
the desired default value, but I can't seem to find the ...

I have a window that looks something like this:
+-------------------------------------------------+

+-------------------------------------------------+

Does any know any new free implementation of the GridBagLayout. I
think the current implementation of Sun is very bad.
* One of the larges problems is the layout jump if the size is to
small to use the PreferredSize. Then the Sun implementation is

I posted this in c.l.j.p. earlier this week, but
no response. So I try here instead, even tho the
question is more about choice of data strukture
than gui...

I have a small problem that i am unable to solve. I have quantized a
jpg image and reduced the number of colors. It is currently as a
BufferedImage object. Now i want to save this quantized image as a jpg
file. I am using ImageIO api available in java, and i am successful

Hi to everyone,
the simple java applet i provide below outputs 5 the following 5 lines:
Welcome to Java 1 times
Welcome to Java 2 times

Whats the best way to compare 2 images to see if they are exactley the same?
Specifically, a BufferedImage and a sun.awt.windows.WImage.
My plan is to convert the WImage into a BufferedImage.  Then verify that
they are the same size.  Then iterate thru each pixel rgb value.  Is ...

I have a multi-threaded application.  Within the application is a series
of functions that are called through a socketed interface that handle
some rather time consuming operations.  There is a hand shaking protocol
that allows the top level GUI to know when the low level ...

I have 2 child classes (ChildPanel1 & ChildPanel2) that extend ParentPanel.
ParentPanel has a JButton component coupled with an accessor method
toggleButton() to enable/disable the button.
I currently enable/disable the button by calling toggleButton() twice, once

How to expand all nodes and disable collapse/expand button?

I set up Menu, Toolbar and PopupMenu via Action-classes. This works
fine.
The Short_Description of the actions is then my tooltiptext for the
toolbar buttons and the menu items. After I make changes to the

I have a JTabbedPane and have three JPanels forming the three tabs. I need
to set the default button on one or other Panel depending which one is
active / showing at the time.
How do I do this ? I need to toggle the default buttons on the panels