Interface GLArea.OnCreateContext

Enclosing class:
GLArea
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface GLArea.OnCreateContext
  • Method Summary

    Modifier and Type
    Method
    Description
    Emitted when the widget is being realized.
  • Method Details

    • onCreateContext

      GLContext onCreateContext()
      Emitted when the widget is being realized.

      This allows you to override how the GL context is created.
      This is useful when you want to reuse an existing GL context,
      or if you want to try creating different kinds of GL options.

      If context creation fails then the signal handler can use
      [method@Gtk.GLArea.set_error] to register a more detailed error
      of how the construction failed.
      Returns:
      a newly created `GdkGLContext`; the `GtkGLArea` widget will take ownership of the returned value.