glglue

glglue provide boilerplate codes that glue OpenGL with some GUI. it is handling mouse event, keyboard event, window resize event and draw event.

Requirements

Python 2.7

Features

glut window
tkinter’s togl widget
wxPython’s GLCanvas widget
pyQt4’s qgl widget

Controller convention

you should inherit glglue.BaseController and implement follow methods.

onUpdate
onLeftDown
onLeftUp
onMiddleDown
onMiddleUp
onRightDown
onRightUp
onMotion
onResize
onWheel
onKeyDown
draw

see SampleController in glglue/sample/__init__.py

Samples

glut

import glglue.sample
import glglue.glut

if __name__=="__main__":
    controller=glglue.sample.SampleController()
    glglue.glut.mainloop(controller)

tkinter

import sys
import Tkinter as tkinter
import glglue.togl
import glglue.sample
class Frame(tkinter.Frame):
    def __init__(self, width, height, master=None, **kw):
        #super(Frame, self).__init__(master, **kw)
        tkinter.Frame.__init__(self, master, **kw)
        # setup opengl widget
        self.controller=glglue.sample.SampleController()
        self.glwidget=glglue.togl.Widget(
                self, self.controller, width=width, height=height)
        self.glwidget.pack(fill=tkinter.BOTH, expand=True)
        # event binding(require focus)
        self.bind('<Key>', self.onKeyDown)
        self.bind('<MouseWheel>', lambda e: self.glworld.onWheel(-e.delta) and self.glwidget.onDraw())

    def onKeyDown(self, event):
        key=event.keycode
        if key==27:
            # Escape
            sys.exit()
        if key==81:
            # q
            sys.exit()
        else:
            print("keycode: %d" % key)

f = Frame(width=600, height=600)
f.pack(fill=tkinter.BOTH, expand=True)
f.focus_set()
f.mainloop()

wxPython

import wx
import glglue.sample
import glglue.wxglcanvas
class Frame(wx.Frame):
    def __init__(self, parent, **kwargs):
        super(Frame, self).__init__(parent, **kwargs)
        # setup opengl widget
        self.controller=glglue.sample.SampleController()
        self.glwidget=glglue.wxglcanvas.Widget(self, self.controller)
        # packing
        sizer=wx.BoxSizer(wx.HORIZONTAL)
        self.SetSizer(sizer)
        sizer.Add(self.glwidget, 1, wx.EXPAND)

app = wx.App(False)
frame=Frame(None, title='glglue')
frame.Show()
app.MainLoop()

pyQt4

from PyQt4 import Qt
import glglue.sample
import glglue.qgl
class Window(Qt.QWidget):
    def __init__(self, parent=None):
        Qt.QWidget.__init__(self, parent)
        # setup opengl widget
        self.controller=glglue.sample.SampleController()
        self.glwidget=glglue.qgl.Widget(self, self.controller)
        # packing
        mainLayout = Qt.QHBoxLayout()
        mainLayout.addWidget(self.glwidget)
        self.setLayout(mainLayout)

import sys
app = Qt.QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec_())

pyGame

import pygame
from pygame.locals import *
import glglue.sample

if __name__=="__main__":
    pygame.init()
    size=(640, 480)
    screen = pygame.display.set_mode(size,
            HWSURFACE | OPENGL | DOUBLEBUF)

    controller=glglue.sample.SampleController()
    controller.onResize(*size)

    clock = pygame.time.Clock()
    is_running=True
    while is_running:
        # event handling
        for event in pygame.event.get():
            if event.type == QUIT:
                is_running=False
            if event.type == KEYUP and event.key == K_ESCAPE:
                is_running=False
        pressed = pygame.key.get_pressed()

        time_passed = clock.tick()

        # Show the screen
        controller.draw()
        pygame.display.flip()

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