mirror of
https://github.com/NGSolve/netgen.git
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58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
from OpenGL.GL import *
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from OpenGL.GLU import *
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from OpenGL.GLUT import *
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class Window():
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xold = -1;
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yold = -1;
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mode = 'r'
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modes = {0:'r', 1:'m', 2:'z'}
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drawfunc = None
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mousefunc = None
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def draw(self):
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glutSetWindow(self.handle)
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self.drawfunc()
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def __init__( self, name=b"Window", width=500, height=500, drawfunc=None, mousefunc=None ):
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# glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS)
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glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_ALPHA | GLUT_DEPTH)
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glutInitWindowSize(width, height) # set window size
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glutInitWindowPosition(0, 0) # set window position
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self.handle = glutCreateWindow(b"ngs") # create window with title
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glutMotionFunc(self.motionHandler)
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glutMouseFunc(self.mouseHandler)
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glutPassiveMotionFunc(self.passiveMotionHandler)
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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pnear = 0.1;
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pfar = 10;
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gluPerspective(20.0, 1.0*width / height, pnear, pfar);
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glViewport(0, 0, width, height);
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glMatrixMode(GL_MODELVIEW);
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self.drawfunc = drawfunc
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self.mousefunc = mousefunc
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if drawfunc:
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glutDisplayFunc(self.draw) # set draw function callback
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def motionHandler(self, x, y ):
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self.mousefunc(self.xold,self.yold, x,y, self.mode) # 'm','z'
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self.xold = x
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self.yold = y
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glutPostRedisplay()
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def passiveMotionHandler(self, x, y ):
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self.xold = x
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self.yold = y
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def mouseHandler(self, button, state, x, y ):
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print(button,state,x,y)
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if button<3:
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if state==0:
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self.mode = self.modes[button]
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else:
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self.mode = 'r'
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glutInit("mainwin") # initialize glut
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