Pileus Git - ~andy/csm213a-hw/blob - vis/visual.py

   1 #!/usr/bin/env python
   2
   3 from gi.repository import Gtk
   4 from gi.repository import GLib
   5
   6 class Visual:
   7         def __init__(self, config, device, logger):
   8                 def get_objects(names):
   9                         return list(map(lambda x:
  10                                 self.builder.get_object(x), names))
  11
  12                 self.config   = config
  13                 self.device   = device
  14                 self.logger   = logger
  15                 self.builder  = Gtk.Builder()
  16
  17                 self.builder.add_from_file('visual.ui')
  18                 self.builder.connect_signals(self)
  19                 self.window   = self.builder.get_object("window")
  20                 self.settings = self.builder.get_object("settings")
  21
  22                 self.accs     = get_objects(['accx', 'accy', 'accz'])
  23                 self.mags     = get_objects(['magx', 'magy', 'magz'])
  24                 self.touch    = get_objects(['touch'])
  25                 self.light    = get_objects(['light'])
  26                 self.a2ds     = get_objects(['a2d0', 'a2d1', 'a2d2', 'a2d3', 'a2d4', 'a2d5'])
  27
  28         # Signal handlers
  29         def on_hide(self, win, *args):
  30                 self.settings.hide()
  31                 return True
  32
  33         def on_show(self, act):
  34                 self.settings.show()
  35                 return True
  36
  37         def on_serial(self, act):
  38                 if act.get_active():
  39                         self.status(self.device.connect())
  40                 else:
  41                         self.status(self.device.disconnect())
  42                 return True
  43
  44         def on_xively(self, act):
  45                 if act.get_active():
  46                         self.status(self.logger.connect())
  47                 else:
  48                         self.status(self.logger.disconnect())
  49                 return True
  50
  51         def on_enable(self, _):
  52                 print("Unimplemented: on_enable")
  53                 return True
  54
  55         def on_rate(self, _):
  56                 print("Unimplemented: on_rate")
  57                 return True
  58
  59         def on_config(self, obj):
  60                 name = Gtk.Buildable.get_name(obj)
  61                 if isinstance(obj, Gtk.SpinButton):
  62                         value = obj.get_value()
  63                 else:
  64                         value = obj.get_text()
  65                 if getattr(self.config, name) != value:
  66                         setattr(self.config, name, value)
  67                         self.config.save()
  68
  69         def on_key(self, win, ev):
  70                 if ev.string == 'q':
  71                         Gtk.main_quit();
  72
  73         def on_destroy(self, win):
  74                 Gtk.main_quit()
  75
  76         # Methods
  77         def load_config(self):
  78                 # Serial settings
  79                 device = self.builder.get_object("device")
  80                 baud   = self.builder.get_object("baudrate")
  81                 parity = self.builder.get_object("parity")
  82                 datab  = self.builder.get_object("databits")
  83                 stopb  = self.builder.get_object("stopbits")
  84                 device.set_text(self.config.device)
  85                 baud.set_value(self.config.baudrate)
  86                 parity.set_text(self.config.parity)
  87                 datab.set_value(self.config.databits)
  88                 stopb.set_value(self.config.stopbits)
  89
  90                 # Xively settings
  91                 feed  = self.builder.get_object("feedid")
  92                 api   = self.builder.get_object("apikey")
  93                 rate  = self.builder.get_object("maxrate")
  94                 feed.set_text(self.config.feedid)
  95                 api.set_text(self.config.apikey)
  96                 rate.set_value(self.config.maxrate)
  97
  98         def update(self, state):
  99                 def setxyz(objs, vals):
 100                         if vals[0]: objs[0].set_text('X: %f' % vals[0])
 101                         if vals[1]: objs[1].set_text('Y: %f' % vals[1])
 102                         if vals[2]: objs[2].set_text('Z: %f' % vals[2])
 103                 def setabs(objs, vals):
 104                         for i in range(0,len(objs)):
 105                                 if vals[i]: objs[i].set_text('%f' % vals[i])
 106
 107                 setxyz(self.accs,  state.acc)
 108                 setxyz(self.mags,  state.mag)
 109                 setabs(self.touch, state.touch)
 110                 setabs(self.light, state.light)
 111                 setabs(self.a2ds,  state.a2d)
 112
 113         def debug(self, state):
 114                 print('update: ' + str(state))
 115                 print('\tacc - ' + str(state.acc))
 116                 print('\tmag - ' + str(state.mag))
 117                 print('\tlgt - ' + str(state.light))
 118                 print('\ttch - ' + str(state.touch))
 119                 print('\ta2d - ' + str(state.a2d))
 120
 121         def timer(self):
 122                 def check(state, name):
 123                         btn = self.builder.get_object(name + '_btn')
 124                         con = self.builder.get_object(name + '_con')
 125                         img = Gtk.STOCK_YES if state else Gtk.STOCK_NO
 126                         btn.set_active(state)
 127                         con.set_from_stock(img, Gtk.IconSize.BUTTON)
 128
 129                 check(self.device.running(), "serial")
 130                 check(self.logger.running(), "xively")
 131
 132                 for item in self.device.process():
 133                         self.update(item)
 134                         self.logger.append(item)
 135                         #self.debug(item)
 136
 137                 return True
 138
 139         def run(self):
 140                 self.load_config()
 141                 self.window.show()
 142                 GLib.timeout_add(1000/60, self.timer)
 143                 Gtk.main()
 144
 145         # Private methods
 146         def status(self, msg):
 147                 if not msg:
 148                         return
 149                 status = self.builder.get_object("status")
 150                 status.push(text=('Error: ' + msg), context_id=0)