menuitem.py

   1 from pyglet       import font,image
   2 from pyglet.gl.gl import *
   3
   4 from geom import vector
   5
   6 class menuitem (object):
   7     def __init__(self,str,x=0,y=0):
   8         self.label = str
   9         self.pos = vector (x,y)
  10         self.bg = image.load('data/menuitem.png').texture
  11         self.is_highlighted = False
  12         self.alpha = 0.1
  13         self.text = font.Text(font.load('Arial',32),
  14                               str,
  15                               x = x,
  16                               y = y,
  17                               valign = 'center',
  18                               halign = 'center'
  19                               )
  20
  21         glBindTexture   (GL_TEXTURE_2D, self.bg.id)
  22         glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER)
  23         glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER)
  24
  25     def highlight(self):
  26         self.is_highlighted = True
  27         self.alpha = 0.3
  28
  29     def unhighlight(self):
  30         self.is_highlighted = False
  31         self.alpha = 0.1
  32
  33     def render (self):
  34         glBindTexture (GL_TEXTURE_2D, self.bg.id)
  35         glBegin (GL_TRIANGLE_STRIP)
  36
  37         glColor4d (0.0, 0.0, 1.0, self.alpha)
  38         glTexCoord2d (self.bg.tex_coords[0],
  39                       self.bg.tex_coords[1])
  40         glVertex2d (-self.bg.width  / 2,
  41                     -self.bg.height / 2)
  42
  43         glTexCoord2d (self.bg.tex_coords[3],
  44                       self.bg.tex_coords[4])
  45         glVertex2d ( self.bg.width  / 2,
  46                     -self.bg.height / 2)
  47
  48         glTexCoord2d (self.bg.tex_coords[9],
  49                       self.bg.tex_coords[10])
  50         glVertex2d (-self.bg.width  / 2,
  51                      self.bg.height / 2)
  52
  53         glTexCoord2d (self.bg.tex_coords[6],
  54                       self.bg.tex_coords[7])
  55         glVertex2d ( self.bg.width  / 2,
  56                      self.bg.height / 2)
  57
  58         glEnd ()
  59
  60         self.text.draw ()