Event loop integration example

docs/examples/lib/gui-glut.py

@@ -0,0 +1,46 b''
+#!/usr/bin/env python
+"""Simple GLUT example to manually test event loop integration.
+
+This is meant to run tests manually in ipython as:
+
+In [5]: %gui glut
+
+In [6]: %run gui-glut.py
+
+In [7]: gl.glClearColor(1,1,1,1)
+"""
+
+#!/usr/bin/env python
+import sys
+import OpenGL.GL as gl
+import OpenGL.GLUT as glut
+
+def display():
+    gl.glClear (gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
+    glut.glutSwapBuffers()
+
+def resize(width,height):
+    gl.glViewport(0, 0, width, height+4)
+    gl.glMatrixMode(gl.GL_PROJECTION)
+    gl.glLoadIdentity()
+    gl.glOrtho(0, width, 0, height+4, -1, 1)
+    gl.glMatrixMode(gl.GL_MODELVIEW)
+
+
+if glut.glutGetWindow() > 0:
+    interactive = True
+    glut.glutInit(sys.argv)
+    glut.glutInitDisplayMode(glut.GLUT_DOUBLE |
+                             glut.GLUT_RGBA   |
+                             glut.GLUT_DEPTH)
+    glut.glutShowWindow()
+else:
+    glut.glutCreateWindow('gui-glut')
+    interactive = False
+
+glut.glutDisplayFunc(display)
+glut.glutReshapeFunc(resize)
+gl.glClearColor(0,0,0,1)
+
+if not interactive:
+    glut.glutMainLoop()