Just found a code snippet which might help if you want to wrap those misbehaving LAF provided icons more often: /** * Some ui-icons misbehave in that they unconditionally class-cast to the * component type they are mostly painted on. Consequently they blow up if * we are trying to paint them anywhere else (f.i. … Read more
I assume you’re trying to tunnel into some unix box. Make sure X11 forwarding is enabled in your PuTTY settings.
Swing is still in use…. but there is AWT!! AWT: Pros: Speed: use of native peers speeds component performance. Look and Feel: AWT components more closely reflect the look and feel of the OS they run on. Cons: Portability: use of native peers creates platform specific limitations. Some components may not function at all on … Read more
The Graphics 2D API should be capable of achieving what you need. It has some complex text handling capabilities as well. import java.awt.Color; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class TextToGraphics { public static void main(String[] args) { String text = “Hello”; /* Because … Read more
Sun has changed the rules in 2004 — before, you were allowed to create the components outside the EDT and only had to move into the EDT once the component had been realized. The new rule now reads: To avoid the possibility of deadlock, you must take extreme care that Swing components and models are … Read more
I was working with a main() in a class which statically loads different parts of JFreeChart in Constants (and other static code). Moving the static loading block to the top of the class solved my problem. This doesn’t work: public class Foo() { private static final Color COLOR_BACKGROUND = Color.WHITE; static { /* too late … Read more
N.B. There is a clipping bug in this code, which is fixed in the accepted answer to paintComponent() is drawing on other components. This should only be considered as a solution if the ‘clipping bug fix’ is incorporated. // Paint the BG color of the parent, everywhere outside the clip // of the text bubble. … Read more
No you do not necessarily need to get/use the graphics object: Font font = new Font(“Helvetica”,Font.PLAIN,12); Canvas c = new Canvas(); FontMetrics fm = c.getFontMetrics(font); If you would now call c.getGraphics() it would return null. The canvas solution on the other hand will also work in headless mode.
What needs to happen when mousePressed == ebtn is all the stuff in the Frame will be removed and a Highscores Screen will be loaded The demo. below of a nested CardLayout adds an ActionListener instead of a MouseListener. It reacts to both mouse and keyboard input. There are a multitude of other ways to … Read more
From this link If you are using Java 1.4 or newer, you can use the simple method setLocationRelativeTo(null) on the dialog box, frame, or window to center it.