Cura/gui/util/openglGui.py

   1 from __future__ import absolute_import
   2 from __future__ import division
   3
   4 import OpenGL
   5 OpenGL.ERROR_CHECKING = False
   6 from OpenGL.GL import *
   7
   8 from Cura.gui.util import opengl
   9
  10 glButtonsTexture = None
  11
  12 class glButton(object):
  13         def __init__(self, parent, imageID, x, y, callback):
  14                 self._parent = parent
  15                 self._imageID = imageID
  16                 self._x = x
  17                 self._y = y
  18                 self._callback = callback
  19                 self._parent.glButtonList.append(self)
  20                 self._selected = False
  21                 self._focus = False
  22                 self._hidden = False
  23
  24         def setSelected(self, value):
  25                 self._selected = value
  26
  27         def setHidden(self, value):
  28                 self._hidden = value
  29
  30         def getSelected(self):
  31                 return self._selected
  32
  33         def draw(self):
  34                 global glButtonsTexture
  35                 if self._hidden:
  36                         return
  37                 if glButtonsTexture is None:
  38                         glButtonsTexture = opengl.loadGLTexture('glButtons.png')
  39
  40                 cx = (self._imageID % 4) / 4
  41                 cy = int(self._imageID / 4) / 4
  42                 bs = self._parent.buttonSize
  43
  44                 glPushMatrix()
  45                 glTranslatef(self._x * bs * 1.3 + bs * 0.8, self._y * bs * 1.3 + bs * 0.8, 0)
  46                 glBindTexture(GL_TEXTURE_2D, glButtonsTexture)
  47                 glEnable(GL_TEXTURE_2D)
  48                 scale = 0.8
  49                 if self._selected:
  50                         scale = 1.0
  51                 elif self._focus:
  52                         scale = 0.9
  53                 glScalef(bs * scale, bs * scale, bs * scale)
  54                 glBegin(GL_QUADS)
  55                 glTexCoord2f(cx+0.25, cy)
  56                 glVertex2f( 0.5,-0.5)
  57                 glTexCoord2f(cx, cy)
  58                 glVertex2f(-0.5,-0.5)
  59                 glTexCoord2f(cx, cy+0.25)
  60                 glVertex2f(-0.5, 0.5)
  61                 glTexCoord2f(cx+0.25, cy+0.25)
  62                 glVertex2f( 0.5, 0.5)
  63                 glEnd()
  64                 glDisable(GL_TEXTURE_2D)
  65                 glPopMatrix()
  66
  67         def _checkHit(self, x, y):
  68                 if self._hidden:
  69                         return False
  70                 bs = self._parent.buttonSize
  71                 return -bs * 0.5 <= x - (self._x * bs * 1.3 + bs * 0.8) <= bs * 0.5 and -bs * 0.5 <= y - (self._y * bs * 1.3 + bs * 0.8) <= bs * 0.5
  72
  73         def OnMouseMotion(self, x, y):
  74                 if self._checkHit(x, y):
  75                         self._focus = True
  76                         return True
  77                 self._focus = False
  78                 return False
  79
  80         def OnMouseDown(self, x, y):
  81                 if self._checkHit(x, y):
  82                         self._callback()