Java/Swing: Obtain Window/JFrame from inside a JPanel
You could use SwingUtilities.getWindowAncestor(…) method that will return a Window that you could cast to your top level type. JFrame topFrame = (JFrame) SwingUtilities.getWindowAncestor(this);
swingutilities
Change Font at runtime
For instance: Create a new Font from the FontFamily list, and apply it to your component with c.setFont (font); A second approach is, to search for TTF-Files (for example), and create new Fonts with the static method Font.createFont (new File (“…”)); This simple app will create a List of Fonts by family, and apply it … Read more
Why to use SwingUtilities.invokeLater in main method?
The docs explain why. From Initial Threads Why does not the initial thread simply create the GUI itself? Because almost all code that creates or interacts with Swing components must run on the event dispatch thread. and from The Event Dispatch Thread Some Swing component methods are labelled “thread safe” in the API specification; these … Read more