on-configure ( sender event user-data -- result )

Vocabulary

gtk-samples.opengl

Inputs

sender	an object
event	an object
user-data	an object

Outputs

result

an object

Definition

USING: gdk2.gl.ffi gtk2.gl.ffi kernel opengl.gl ;

IN: gtk-samples.opengl

:: on-configure ( sender event user-data -- result )
    sender gtk_widget_get_gl_context :> gl-context sender
    gtk_widget_get_gl_window :> gl-drawable gl-drawable
    gl-context gdk_gl_drawable_gl_begin dup [
        0 0 200 200 glViewport
        gl-drawable gdk_gl_drawable_gl_end
    ] when ;