Demo/sgi/gl/glstdwin/glstdwmenu.py

   1 # Define menu operations for GL stdwin
   2
   3 import gl
   4 from glstdwin import key2code
   5
   6 class MenuObject:
   7         #
   8         def _init(self, win, title):
   9                 self._win = win
  10                 self._title = title
  11                 self._items = []
  12                 return self
  13         #
  14         def close(self):
  15                 self._win.remove(self)
  16                 del self._win
  17         #
  18         def additem(self, *args):
  19                 if len(args) == 2:
  20                         text, shortcut = args
  21                 elif len(args) == 1:
  22                         text, shortcut = args[0], None
  23                 else:
  24                         raise TypeError, 'arg count'
  25                 self._items.append([text, shortcut, 1, 0])
  26         #
  27         def setitem(self, i, text):
  28                 self._items[i][0] = text
  29         #
  30         def enable(self, i, flag):
  31                 self._items[i][2] = flag
  32         #
  33         def check(self, i, flag):
  34                 self._items[i][3] = flag
  35         #
  36         def _makepup(self, firstitem):
  37                 pup = gl.newpup()
  38                 if self._title:
  39                         gl.addtopup(pup, self._title + '%t', 0)
  40                 for item in self._items:
  41                         text = item[0]
  42                         if not item[2]: # Disabled
  43                                 text = ' ( ' + text + ' )%x-1'
  44                         else:
  45                                 if item[3]: # Check mark
  46                                         text = '-> ' + text
  47                                 else:
  48                                         text = '    ' + text
  49                                 if key2code.has_key(item[1]):
  50                                         text = text + '  [Alt-' + item[1] + ']'
  51                                 text = text + '%x' + `firstitem`
  52                         gl.addtopup(pup, text, 0)
  53                         firstitem = firstitem + 1
  54                 return pup
  55         #
  56         def _checkshortcut(self, char):
  57                 for i in range(len(self._items)):
  58                         item = self._items[i]
  59                         if item[2] and item[1] == char:
  60                                 return i
  61                 return -1
  62         #