research/transmission_spectroscopy/simulator/pgu-0.18/examples/gui7.py

   1 """<title>Custom Actions</title>"""
   2 import pygame
   3 from pygame.locals import *
   4
   5 # the following line is not needed if pgu is installed
   6 import sys; sys.path.insert(0, "..")
   7
   8 from pgu import gui
   9
  10 class ColorDialog(gui.Dialog):
  11     def __init__(self,value,**params):
  12         self.value = list(gui.parse_color(value))
  13
  14         title = gui.Label("Color Picker")
  15
  16         main = gui.Table()
  17
  18         main.tr()
  19
  20         self.color = gui.Color(self.value,width=64,height=64)
  21         main.td(self.color,rowspan=3,colspan=1)
  22
  23         ##The sliders CHANGE events are connected to the adjust method.  The
  24         ##adjust method updates the proper color component based on the value
  25         ##passed to the method.
  26         ##::
  27         main.td(gui.Label(' Red: '),1,0)
  28         e = gui.HSlider(value=self.value[0],min=0,max=255,size=32,width=128,height=16)
  29         e.connect(gui.CHANGE,self.adjust,(0,e))
  30         main.td(e,2,0)
  31         ##
  32
  33         main.td(gui.Label(' Green: '),1,1)
  34         e = gui.HSlider(value=self.value[1],min=0,max=255,size=32,width=128,height=16)
  35         e.connect(gui.CHANGE,self.adjust,(1,e))
  36         main.td(e,2,1)
  37
  38         main.td(gui.Label(' Blue: '),1,2)
  39         e = gui.HSlider(value=self.value[2],min=0,max=255,size=32,width=128,height=16)
  40         e.connect(gui.CHANGE,self.adjust,(2,e))
  41         main.td(e,2,2)
  42
  43         gui.Dialog.__init__(self,title,main)
  44
  45     ##The custom adjust handler.
  46     ##::
  47     def adjust(self,value):
  48         (num, slider) = value
  49         self.value[num] = slider.value
  50         self.color.repaint()
  51         self.send(gui.CHANGE)
  52     ##
  53
  54 if __name__ == '__main__':
  55     app = gui.Desktop()
  56     app.connect(gui.QUIT,app.quit,None)
  57
  58     c = gui.Table(width=640,height=480)
  59
  60     dialog = ColorDialog("#00ffff")
  61
  62     e = gui.Button("Color")
  63     e.connect(gui.CLICK,dialog.open,None)
  64     c.tr()
  65     c.td(e)
  66
  67     app.run(c)
  68