Depending on where you want to trap the “enter” key, you could use an ActionListener (on such components such as text components or buttons) or attach a key binding to you component This will rely on the component being focused.
Retrieve the content pane for the frame and use the setBackground() method inherited from Component to change the color. Example:
You have added the JPanel over the JFrame which completely blocks out the underlying container on which you have set the color. You could do this instead:
JPanel doesn’t have ActionListener capabilities. Instead, you need to use a MouseListener Take a look at How to Write Mouse Listeners for more details…
The repaint() refreshes the view (component), so whenever you make any change on the component, you must call it. For instance, if you rotate the graphical component, you must make a call to repaint() in order to see the change on the containing component
You should actually take the result from the option pane: Otherwise, it remains set to JOptionPane.YES_NO_OPTION. Cleaner would be: Although, I’m not sure what this line is expected to do in the posted code: remove(dialogButton);. For more details and examples check out How to Make Dialogs tutorial.
I assume you’re trying to tunnel into some unix box. Make sure X11 forwarding is enabled in your PuTTY settings.
Your gif is disposal = 3 that means it needs previous image as it renders incrementally. The problem is the image is with black background and not white … Here are the disposals possible: When I render it with my decoder it looks like this: [![capture][1]][1] So there are 2 possible things at play here: … Read more