research/transmission_spectroscopy/simulator/pgu-0.18/build/lib/pgu/gui/keysym.py

   1 """
   2 """
   3 import pygame
   4 from pygame.locals import *
   5
   6 from .const import *
   7 from . import widget
   8
   9 class Keysym(widget.Widget):
  10     """A keysym input. This is deprecated and is scheduled to be removed from PGU."""
  11
  12     _value = None
  13
  14     def __init__(self,value=None,**params):
  15         params.setdefault('cls','keysym')
  16         widget.Widget.__init__(self,**params)
  17         self.value = value
  18
  19         self.font = self.style.font
  20         w,h = self.font.size("Right Super") #"Right Shift")
  21         self.style.width,self.style.height = w,h
  22         #self.rect.w=w+self.style.padding_left+self.style.padding_right
  23         #self.rect.h=h+self.style.padding_top+self.style.padding_bottom
  24
  25     def event(self,e):
  26         used = None
  27         if e.type == FOCUS or e.type == BLUR: self.repaint()
  28         elif e.type == KEYDOWN:
  29             if e.key != K_TAB:
  30                 self.value = e.key
  31                 self.repaint()
  32                 self.send(CHANGE)
  33                 used = True
  34             self.next()
  35         self.pcls = ""
  36         if self.container.myfocus is self: self.pcls = "focus"
  37         return used
  38
  39     def paint(self,s):
  40         r = pygame.rect.Rect(0,0,self.rect.w,self.rect.h)
  41         #render_box(s,self.style.background,r)
  42         if self.value == None: return
  43         name = ""
  44         for p in pygame.key.name(self.value).split(): name += p.capitalize()+" "
  45         #r.x = self.style.padding_left;
  46         #r.y = self.style.padding_bottom;
  47         s.blit(self.style.font.render(name, 1, self.style.color), r)
  48
  49     @property
  50     def value(self):
  51         return self._value
  52
  53     @value.setter
  54     def value(self, val):
  55         if (val != None):
  56             val = int(val)
  57         oldval = self._value
  58         self._value = val
  59         if (oldval != val):
  60             self.send(CHANGE)
  61             self.repaint()
  62
  63