Cura/gui/printWindow.py

   1 __copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
   2
   3 import wx
   4 import power
   5 import time
   6 import sys
   7 import os
   8 import ctypes
   9
  10 #TODO: This does not belong here!
  11 if sys.platform.startswith('win'):
  12         def preventComputerFromSleeping(prevent):
  13                 """
  14                 Function used to prevent the computer from going into sleep mode.
  15                 :param prevent: True = Prevent the system from going to sleep from this point on.
  16                 :param prevent: False = No longer prevent the system from going to sleep.
  17                 """
  18                 ES_CONTINUOUS = 0x80000000
  19                 ES_SYSTEM_REQUIRED = 0x00000001
  20                 #SetThreadExecutionState returns 0 when failed, which is ignored. The function should be supported from windows XP and up.
  21                 if prevent:
  22                         ctypes.windll.kernel32.SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED)
  23                 else:
  24                         ctypes.windll.kernel32.SetThreadExecutionState(ES_CONTINUOUS)
  25
  26 else:
  27         def preventComputerFromSleeping(prevent):
  28                 #No preventComputerFromSleeping for MacOS and Linux yet.
  29                 pass
  30
  31 class printWindowPlugin(wx.Frame):
  32         def __init__(self, parent, printerConnection, filename):
  33                 super(printWindowPlugin, self).__init__(parent, -1, style=wx.CLOSE_BOX|wx.CLIP_CHILDREN|wx.CAPTION|wx.SYSTEM_MENU|wx.FRAME_FLOAT_ON_PARENT|wx.MINIMIZE_BOX, title=_("Printing on %s") % (printerConnection.getName()))
  34                 self._printerConnection = printerConnection
  35                 self._basePath = os.path.dirname(filename)
  36                 self._backgroundImage = None
  37                 self._colorCommandMap = {}
  38                 self._buttonList = []
  39                 self._termLog = None
  40                 self._termInput = None
  41                 self._termHistory = []
  42                 self._termHistoryIdx = 0
  43                 self._progressBar = None
  44                 self._tempGraph = None
  45                 self._infoText = None
  46                 self._lastUpdateTime = time.time()
  47
  48                 variables = {
  49                         'setImage': self.script_setImage,
  50                         'addColorCommand': self.script_addColorCommand,
  51                         'addTerminal': self.script_addTerminal,
  52                         'addTemperatureGraph': self.script_addTemperatureGraph,
  53                         'addProgressbar': self.script_addProgressbar,
  54                         'addButton': self.script_addButton,
  55                         'addSpinner': self.script_addSpinner,
  56
  57                         'sendGCode': self.script_sendGCode,
  58                         'connect': self.script_connect,
  59                         'startPrint': self.script_startPrint,
  60                         'pausePrint': self.script_pausePrint,
  61                         'cancelPrint': self.script_cancelPrint,
  62                         'showErrorLog': self.script_showErrorLog,
  63                 }
  64                 execfile(filename, variables, variables)
  65
  66                 self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
  67                 self.Bind(wx.EVT_PAINT, self.OnDraw)
  68                 self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftClick)
  69                 self.Bind(wx.EVT_CLOSE, self.OnClose)
  70
  71                 self._updateButtonStates()
  72
  73                 self._printerConnection.addCallback(self._doPrinterConnectionUpdate)
  74
  75                 if self._printerConnection.hasActiveConnection() and not self._printerConnection.isActiveConnectionOpen():
  76                         self._printerConnection.openActiveConnection()
  77                 preventComputerFromSleeping(True)
  78
  79         def script_setImage(self, guiImage, mapImage):
  80                 self._backgroundImage = wx.BitmapFromImage(wx.Image(os.path.join(self._basePath, guiImage)))
  81                 self._mapImage = wx.Image(os.path.join(self._basePath, mapImage))
  82                 self.SetClientSize(self._mapImage.GetSize())
  83
  84         def script_addColorCommand(self, r, g, b, command, data = None):
  85                 self._colorCommandMap[(r, g, b)] = (command, data)
  86
  87         def script_addTerminal(self, r, g, b):
  88                 x, y, w, h = self._getColoredRect(r, g, b)
  89                 if x < 0 or self._termLog is not None:
  90                         return
  91                 f = wx.Font(8, wx.FONTFAMILY_MODERN, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, False)
  92                 self._termLog = wx.TextCtrl(self, style=wx.TE_MULTILINE | wx.TE_DONTWRAP)
  93                 self._termLog.SetFont(f)
  94                 self._termLog.SetEditable(0)
  95                 self._termInput = wx.TextCtrl(self, style=wx.TE_PROCESS_ENTER)
  96                 self._termInput.SetFont(f)
  97
  98                 self._termLog.SetPosition((x, y))
  99                 self._termLog.SetSize((w, h - self._termInput.GetSize().GetHeight()))
 100                 self._termInput.SetPosition((x, y + h - self._termInput.GetSize().GetHeight()))
 101                 self._termInput.SetSize((w, self._termInput.GetSize().GetHeight()))
 102                 self.Bind(wx.EVT_TEXT_ENTER, self.OnTermEnterLine, self._termInput)
 103                 self._termInput.Bind(wx.EVT_CHAR, self.OnTermKey)
 104
 105         def script_addTemperatureGraph(self, r, g, b):
 106                 x, y, w, h = self._getColoredRect(r, g, b)
 107                 if x < 0 or self._tempGraph is not None:
 108                         return
 109                 self._tempGraph = TemperatureGraph(self)
 110
 111                 self._tempGraph.SetPosition((x, y))
 112                 self._tempGraph.SetSize((w, h))
 113
 114         def script_addProgressbar(self, r, g, b):
 115                 x, y, w, h = self._getColoredRect(r, g, b)
 116                 if x < 0:
 117                         return
 118                 self._progressBar = wx.Gauge(self, -1, range=1000)
 119
 120                 self._progressBar.SetPosition((x, y))
 121                 self._progressBar.SetSize((w, h))
 122
 123         def script_addButton(self, r, g, b, text, command, data = None):
 124                 x, y, w, h = self._getColoredRect(r, g, b)
 125                 if x < 0:
 126                         return
 127                 button = wx.Button(self, -1, _(text))
 128                 button.SetPosition((x, y))
 129                 button.SetSize((w, h))
 130                 button.command = command
 131                 button.data = data
 132                 self._buttonList.append(button)
 133                 self.Bind(wx.EVT_BUTTON, lambda e: command(data), button)
 134
 135         def script_addSpinner(self, r, g, b, command, data):
 136                 x, y, w, h = self._getColoredRect(r, g, b)
 137                 if x < 0:
 138                         return
 139
 140                 def run_command(spinner):
 141                         value = spinner.GetValue()
 142                         if spinner.last_value != value:
 143                                 if spinner.last_value != '' and value != 0:
 144                                         spinner.command(spinner.data % value)
 145                                 spinner.last_value = value
 146
 147                 spinner = wx.SpinCtrl(self, -1, style=wx.TE_PROCESS_ENTER)
 148                 spinner.SetRange(0, 300)
 149                 spinner.SetPosition((x, y))
 150                 spinner.SetSize((w, h))
 151                 spinner.command = command
 152                 spinner.data = data
 153                 spinner.last_value = ''
 154                 self._buttonList.append(spinner)
 155                 self.Bind(wx.EVT_SPINCTRL, lambda e: run_command(spinner), spinner)
 156
 157         def _getColoredRect(self, r, g, b):
 158                 for x in xrange(0, self._mapImage.GetWidth()):
 159                         for y in xrange(0, self._mapImage.GetHeight()):
 160                                 if self._mapImage.GetRed(x, y) == r and self._mapImage.GetGreen(x, y) == g and self._mapImage.GetBlue(x, y) == b:
 161                                         w = 0
 162                                         while x+w < self._mapImage.GetWidth() and self._mapImage.GetRed(x + w, y) == r and self._mapImage.GetGreen(x + w, y) == g and self._mapImage.GetBlue(x + w, y) == b:
 163                                                 w += 1
 164                                         h = 0
 165                                         while y+h < self._mapImage.GetHeight() and self._mapImage.GetRed(x, y + h) == r and self._mapImage.GetGreen(x, y + h) == g and self._mapImage.GetBlue(x, y + h) == b:
 166                                                 h += 1
 167                                         return x, y, w, h
 168                 print "Failed to find color: ", r, g, b
 169                 return -1, -1, 1, 1
 170
 171         def script_sendGCode(self, data = None):
 172                 for line in data.split(';'):
 173                         line = line.strip()
 174                         if len(line) > 0:
 175                                 self._printerConnection.sendCommand(line)
 176
 177         def script_connect(self, data = None):
 178                 self._printerConnection.openActiveConnection()
 179
 180         def script_startPrint(self, data = None):
 181                 self._printerConnection.startPrint()
 182
 183         def script_cancelPrint(self, e):
 184                 self._printerConnection.cancelPrint()
 185
 186         def script_pausePrint(self, e):
 187                 self._printerConnection.pause(not self._printerConnection.isPaused())
 188
 189         def script_showErrorLog(self, e):
 190                 LogWindow(self._printerConnection.getErrorLog())
 191
 192         def OnEraseBackground(self, e):
 193                 pass
 194
 195         def OnDraw(self, e):
 196                 dc = wx.BufferedPaintDC(self, self._backgroundImage)
 197
 198         def OnLeftClick(self, e):
 199                 r = self._mapImage.GetRed(e.GetX(), e.GetY())
 200                 g = self._mapImage.GetGreen(e.GetX(), e.GetY())
 201                 b = self._mapImage.GetBlue(e.GetX(), e.GetY())
 202                 if (r, g, b) in self._colorCommandMap:
 203                         command = self._colorCommandMap[(r, g, b)]
 204                         command[0](command[1])
 205
 206         def OnClose(self, e):
 207                 if self._printerConnection.hasActiveConnection():
 208                         if self._printerConnection.isPrinting():
 209                                 pass #TODO: Give warning that the close will kill the print.
 210                         self._printerConnection.closeActiveConnection()
 211                 self._printerConnection.removeCallback(self._doPrinterConnectionUpdate)
 212                 #TODO: When multiple printer windows are open, closing one will enable sleeping again.
 213                 preventComputerFromSleeping(False)
 214                 self.Destroy()
 215
 216         def OnTermEnterLine(self, e):
 217                 if not self._printerConnection.isAbleToSendDirectCommand():
 218                         return
 219                 line = self._termInput.GetValue()
 220                 if line == '':
 221                         return
 222                 self._addTermLog('> %s\n' % (line))
 223                 self._printerConnection.sendCommand(line)
 224                 self._termHistory.append(line)
 225                 self._termHistoryIdx = len(self._termHistory)
 226                 self._termInput.SetValue('')
 227
 228         def OnTermKey(self, e):
 229                 if len(self._termHistory) > 0:
 230                         if e.GetKeyCode() == wx.WXK_UP:
 231                                 self._termHistoryIdx -= 1
 232                                 if self._termHistoryIdx < 0:
 233                                         self._termHistoryIdx = len(self._termHistory) - 1
 234                                 self._termInput.SetValue(self._termHistory[self._termHistoryIdx])
 235                         if e.GetKeyCode() == wx.WXK_DOWN:
 236                                 self._termHistoryIdx -= 1
 237                                 if self._termHistoryIdx >= len(self._termHistory):
 238                                         self._termHistoryIdx = 0
 239                                 self._termInput.SetValue(self._termHistory[self._termHistoryIdx])
 240                 e.Skip()
 241
 242         def _addTermLog(self, line):
 243                 if self._termLog is not None:
 244                         if len(self._termLog.GetValue()) > 10000:
 245                                 self._termLog.SetValue(self._termLog.GetValue()[-10000:])
 246                         self._termLog.SetInsertionPointEnd()
 247                         if type(line) != unicode:
 248                                 line = unicode(line, 'utf-8', 'replace')
 249                         self._termLog.AppendText(line.encode('utf-8', 'replace'))
 250
 251         def _updateButtonStates(self):
 252                 for button in self._buttonList:
 253                         if button.command == self.script_connect:
 254                                 button.Show(self._printerConnection.hasActiveConnection())
 255                                 button.Enable(not self._printerConnection.isActiveConnectionOpen() and not self._printerConnection.isActiveConnectionOpening())
 256                         elif button.command == self.script_pausePrint:
 257                                 button.Show(self._printerConnection.hasPause())
 258                                 if not self._printerConnection.hasActiveConnection() or self._printerConnection.isActiveConnectionOpen():
 259                                         button.Enable(self._printerConnection.isPrinting() or self._printerConnection.isPaused())
 260                                 else:
 261                                         button.Enable(False)
 262                         elif button.command == self.script_startPrint:
 263                                 if not self._printerConnection.hasActiveConnection() or self._printerConnection.isActiveConnectionOpen():
 264                                         button.Enable(not self._printerConnection.isPrinting())
 265                                 else:
 266                                         button.Enable(False)
 267                         elif button.command == self.script_cancelPrint:
 268                                 if not self._printerConnection.hasActiveConnection() or self._printerConnection.isActiveConnectionOpen():
 269                                         button.Enable(self._printerConnection.isPrinting())
 270                                 else:
 271                                         button.Enable(False)
 272                         elif button.command == self.script_showErrorLog:
 273                                 button.Show(self._printerConnection.isInErrorState())
 274                 if self._termInput is not None:
 275                         self._termInput.Enable(self._printerConnection.isAbleToSendDirectCommand())
 276
 277         def _doPrinterConnectionUpdate(self, connection, extraInfo = None):
 278                 wx.CallAfter(self.__doPrinterConnectionUpdate, connection, extraInfo)
 279                 if self._tempGraph is not None:
 280                         temp = []
 281                         for n in xrange(0, 4):
 282                                 t = connection.getTemperature(0)
 283                                 if t is not None:
 284                                         temp.append(t)
 285                                 else:
 286                                         break
 287                         self._tempGraph.addPoint(temp, [0] * len(temp), connection.getBedTemperature(), 0)
 288
 289         def __doPrinterConnectionUpdate(self, connection, extraInfo):
 290                 t = time.time()
 291                 if self._lastUpdateTime + 0.5 > t and extraInfo is None:
 292                         return
 293                 self._lastUpdateTime = t
 294
 295                 if extraInfo is not None:
 296                         self._addTermLog('< %s\n' % (extraInfo))
 297
 298                 self._updateButtonStates()
 299                 if self._progressBar is not None:
 300                         if connection.isPrinting():
 301                                 self._progressBar.SetValue(connection.getPrintProgress() * 1000)
 302                         else:
 303                                 self._progressBar.SetValue(0)
 304                 info = connection.getStatusString()
 305                 info += '\n'
 306                 if self._printerConnection.getTemperature(0) is not None:
 307                         info += 'Temperature: %d' % (self._printerConnection.getTemperature(0))
 308                 if self._printerConnection.getBedTemperature() > 0:
 309                         info += ' Bed: %d' % (self._printerConnection.getBedTemperature())
 310                 if self._infoText is not None:
 311                         self._infoText.SetLabel(info)
 312                 else:
 313                         self.SetTitle(info.replace('\n', ', '))
 314
 315 class printWindowBasic(wx.Frame):
 316         """
 317         Printing window for USB printing, network printing, and any other type of printer connection we can think off.
 318         This is only a basic window with minimal information.
 319         """
 320         def __init__(self, parent, printerConnection):
 321                 super(printWindowBasic, self).__init__(parent, -1, style=wx.CLOSE_BOX|wx.CLIP_CHILDREN|wx.CAPTION|wx.SYSTEM_MENU|wx.FRAME_TOOL_WINDOW|wx.FRAME_FLOAT_ON_PARENT, title=_("Printing on %s") % (printerConnection.getName()))
 322                 self._printerConnection = printerConnection
 323                 self._lastUpdateTime = 0
 324
 325                 self.SetSizer(wx.BoxSizer())
 326                 self.panel = wx.Panel(self)
 327                 self.GetSizer().Add(self.panel, 1, flag=wx.EXPAND)
 328                 self.sizer = wx.GridBagSizer(2, 2)
 329                 self.panel.SetSizer(self.sizer)
 330
 331                 self.powerWarningText = wx.StaticText(parent=self.panel,
 332                         id=-1,
 333                         label=_("Your computer is running on battery power.\nConnect your computer to AC power or your print might not finish."),
 334                         style=wx.ALIGN_CENTER)
 335                 self.powerWarningText.SetBackgroundColour('red')
 336                 self.powerWarningText.SetForegroundColour('white')
 337                 self.powerManagement = power.PowerManagement()
 338                 self.powerWarningTimer = wx.Timer(self)
 339                 self.Bind(wx.EVT_TIMER, self.OnPowerWarningChange, self.powerWarningTimer)
 340                 self.OnPowerWarningChange(None)
 341                 self.powerWarningTimer.Start(10000)
 342
 343                 self.statsText = wx.StaticText(self.panel, -1, _("InfoLine from printer connection\nInfoLine from dialog\nExtra line\nMore lines for layout\nMore lines for layout\nMore lines for layout"))
 344
 345                 self.connectButton = wx.Button(self.panel, -1, _("Connect"))
 346                 #self.loadButton = wx.Button(self.panel, -1, 'Load')
 347                 self.printButton = wx.Button(self.panel, -1, _("Print"))
 348                 self.pauseButton = wx.Button(self.panel, -1, _("Pause"))
 349                 self.cancelButton = wx.Button(self.panel, -1, _("Cancel print"))
 350                 self.errorLogButton = wx.Button(self.panel, -1, _("Error log"))
 351                 self.progress = wx.Gauge(self.panel, -1, range=1000)
 352
 353                 self.sizer.Add(self.powerWarningText, pos=(0, 0), span=(1, 5), flag=wx.EXPAND|wx.BOTTOM, border=5)
 354                 self.sizer.Add(self.statsText, pos=(1, 0), span=(1, 5), flag=wx.LEFT, border=5)
 355                 self.sizer.Add(self.connectButton, pos=(2, 0))
 356                 #self.sizer.Add(self.loadButton, pos=(2,1))
 357                 self.sizer.Add(self.printButton, pos=(2, 1))
 358                 self.sizer.Add(self.pauseButton, pos=(2, 2))
 359                 self.sizer.Add(self.cancelButton, pos=(2, 3))
 360                 self.sizer.Add(self.errorLogButton, pos=(2, 4))
 361                 self.sizer.Add(self.progress, pos=(3, 0), span=(1, 5), flag=wx.EXPAND)
 362
 363                 self.Bind(wx.EVT_CLOSE, self.OnClose)
 364                 self.connectButton.Bind(wx.EVT_BUTTON, self.OnConnect)
 365                 #self.loadButton.Bind(wx.EVT_BUTTON, self.OnLoad)
 366                 self.printButton.Bind(wx.EVT_BUTTON, self.OnPrint)
 367                 self.pauseButton.Bind(wx.EVT_BUTTON, self.OnPause)
 368                 self.cancelButton.Bind(wx.EVT_BUTTON, self.OnCancel)
 369                 self.errorLogButton.Bind(wx.EVT_BUTTON, self.OnErrorLog)
 370
 371                 self.Layout()
 372                 self.Fit()
 373                 self.Centre()
 374
 375                 self.progress.SetMinSize(self.progress.GetSize())
 376                 self.statsText.SetLabel('\n\n\n\n\n\n')
 377                 self._updateButtonStates()
 378
 379                 self._printerConnection.addCallback(self._doPrinterConnectionUpdate)
 380
 381                 if self._printerConnection.hasActiveConnection() and not self._printerConnection.isActiveConnectionOpen():
 382                         self._printerConnection.openActiveConnection()
 383                 preventComputerFromSleeping(True)
 384
 385         def OnPowerWarningChange(self, e):
 386                 type = self.powerManagement.get_providing_power_source_type()
 387                 if type == power.POWER_TYPE_AC and self.powerWarningText.IsShown():
 388                         self.powerWarningText.Hide()
 389                         self.panel.Layout()
 390                         self.Layout()
 391                         self.Fit()
 392                         self.Refresh()
 393                 elif type != power.POWER_TYPE_AC and not self.powerWarningText.IsShown():
 394                         self.powerWarningText.Show()
 395                         self.panel.Layout()
 396                         self.Layout()
 397                         self.Fit()
 398                         self.Refresh()
 399
 400         def OnClose(self, e):
 401                 if self._printerConnection.hasActiveConnection():
 402                         if self._printerConnection.isPrinting():
 403                                 pass #TODO: Give warning that the close will kill the print.
 404                         self._printerConnection.closeActiveConnection()
 405                 self._printerConnection.removeCallback(self._doPrinterConnectionUpdate)
 406                 #TODO: When multiple printer windows are open, closing one will enable sleeping again.
 407                 preventComputerFromSleeping(False)
 408                 self.Destroy()
 409
 410         def OnConnect(self, e):
 411                 self._printerConnection.openActiveConnection()
 412
 413         def OnLoad(self, e):
 414                 pass
 415
 416         def OnPrint(self, e):
 417                 self._printerConnection.startPrint()
 418
 419         def OnCancel(self, e):
 420                 self._printerConnection.cancelPrint()
 421
 422         def OnPause(self, e):
 423                 self._printerConnection.pause(not self._printerConnection.isPaused())
 424
 425         def OnErrorLog(self, e):
 426                 LogWindow(self._printerConnection.getErrorLog())
 427
 428         def _doPrinterConnectionUpdate(self, connection, extraInfo = None):
 429                 wx.CallAfter(self.__doPrinterConnectionUpdate, connection, extraInfo)
 430                 #temp = [connection.getTemperature(0)]
 431                 #self.temperatureGraph.addPoint(temp, [0], connection.getBedTemperature(), 0)
 432
 433         def __doPrinterConnectionUpdate(self, connection, extraInfo):
 434                 t = time.time()
 435                 if self._lastUpdateTime + 0.5 > t and extraInfo is None:
 436                         return
 437                 self._lastUpdateTime = t
 438
 439                 if extraInfo is not None:
 440                         self._addTermLog('< %s\n' % (extraInfo))
 441
 442                 self._updateButtonStates()
 443                 if connection.isPrinting():
 444                         self.progress.SetValue(connection.getPrintProgress() * 1000)
 445                 else:
 446                         self.progress.SetValue(0)
 447                 info = connection.getStatusString()
 448                 info += '\n'
 449                 if self._printerConnection.getTemperature(0) is not None:
 450                         info += 'Temperature: %d' % (self._printerConnection.getTemperature(0))
 451                 if self._printerConnection.getBedTemperature() > 0:
 452                         info += ' Bed: %d' % (self._printerConnection.getBedTemperature())
 453                 info += '\n\n'
 454                 self.statsText.SetLabel(info)
 455
 456         def _updateButtonStates(self):
 457                 self.connectButton.Show(self._printerConnection.hasActiveConnection())
 458                 self.connectButton.Enable(not self._printerConnection.isActiveConnectionOpen() and not self._printerConnection.isActiveConnectionOpening())
 459                 self.pauseButton.Show(self._printerConnection.hasPause())
 460                 if not self._printerConnection.hasActiveConnection() or self._printerConnection.isActiveConnectionOpen():
 461                         self.printButton.Enable(not self._printerConnection.isPrinting())
 462                         self.pauseButton.Enable(self._printerConnection.isPrinting())
 463                         self.cancelButton.Enable(self._printerConnection.isPrinting())
 464                 else:
 465                         self.printButton.Enable(False)
 466                         self.pauseButton.Enable(False)
 467                         self.cancelButton.Enable(False)
 468                 self.errorLogButton.Show(self._printerConnection.isInErrorState())
 469
 470 class TemperatureGraph(wx.Panel):
 471         def __init__(self, parent):
 472                 super(TemperatureGraph, self).__init__(parent)
 473
 474                 self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
 475                 self.Bind(wx.EVT_SIZE, self.OnSize)
 476                 self.Bind(wx.EVT_PAINT, self.OnDraw)
 477
 478                 self._lastDraw = time.time() - 1.0
 479                 self._points = []
 480                 self._backBuffer = None
 481                 self.addPoint([0]*16, [0]*16, 0, 0)
 482
 483         def OnEraseBackground(self, e):
 484                 pass
 485
 486         def OnSize(self, e):
 487                 if self._backBuffer is None or self.GetSize() != self._backBuffer.GetSize():
 488                         self._backBuffer = wx.EmptyBitmap(*self.GetSizeTuple())
 489                         self.UpdateDrawing(True)
 490
 491         def OnDraw(self, e):
 492                 dc = wx.BufferedPaintDC(self, self._backBuffer)
 493
 494         def UpdateDrawing(self, force=False):
 495                 now = time.time()
 496                 if (not force and now - self._lastDraw < 1.0) or self._backBuffer is None:
 497                         return
 498                 self._lastDraw = now
 499                 dc = wx.MemoryDC()
 500                 dc.SelectObject(self._backBuffer)
 501                 dc.Clear()
 502                 dc.SetFont(wx.SystemSettings.GetFont(wx.SYS_SYSTEM_FONT))
 503                 w, h = self.GetSizeTuple()
 504                 bgLinePen = wx.Pen('#A0A0A0')
 505                 tempPen = wx.Pen('#FF4040')
 506                 tempSPPen = wx.Pen('#FFA0A0')
 507                 tempPenBG = wx.Pen('#FFD0D0')
 508                 bedTempPen = wx.Pen('#4040FF')
 509                 bedTempSPPen = wx.Pen('#A0A0FF')
 510                 bedTempPenBG = wx.Pen('#D0D0FF')
 511
 512                 #Draw the background up to the current temperatures.
 513                 x0 = 0
 514                 t0 = []
 515                 bt0 = 0
 516                 tSP0 = 0
 517                 btSP0 = 0
 518                 for temp, tempSP, bedTemp, bedTempSP, t in self._points:
 519                         x1 = int(w - (now - t))
 520                         for x in xrange(x0, x1 + 1):
 521                                 for n in xrange(0, min(len(t0), len(temp))):
 522                                         t = float(x - x0) / float(x1 - x0 + 1) * (temp[n] - t0[n]) + t0[n]
 523                                         dc.SetPen(tempPenBG)
 524                                         dc.DrawLine(x, h, x, h - (t * h / 350))
 525                                 bt = float(x - x0) / float(x1 - x0 + 1) * (bedTemp - bt0) + bt0
 526                                 dc.SetPen(bedTempPenBG)
 527                                 dc.DrawLine(x, h, x, h - (bt * h / 350))
 528                         t0 = temp
 529                         bt0 = bedTemp
 530                         tSP0 = tempSP
 531                         btSP0 = bedTempSP
 532                         x0 = x1 + 1
 533
 534                 #Draw the grid
 535                 for x in xrange(w, 0, -30):
 536                         dc.SetPen(bgLinePen)
 537                         dc.DrawLine(x, 0, x, h)
 538                 tmpNr = 0
 539                 for y in xrange(h - 1, 0, -h * 50 / 350):
 540                         dc.SetPen(bgLinePen)
 541                         dc.DrawLine(0, y, w, y)
 542                         dc.DrawText(str(tmpNr), 0, y - dc.GetFont().GetPixelSize().GetHeight())
 543                         tmpNr += 50
 544                 dc.DrawLine(0, 0, w, 0)
 545                 dc.DrawLine(0, 0, 0, h)
 546
 547                 #Draw the main lines
 548                 x0 = 0
 549                 t0 = []
 550                 bt0 = 0
 551                 tSP0 = []
 552                 btSP0 = 0
 553                 for temp, tempSP, bedTemp, bedTempSP, t in self._points:
 554                         x1 = int(w - (now - t))
 555                         for x in xrange(x0, x1 + 1):
 556                                 for n in xrange(0, min(len(t0), len(temp))):
 557                                         t = float(x - x0) / float(x1 - x0 + 1) * (temp[n] - t0[n]) + t0[n]
 558                                         tSP = float(x - x0) / float(x1 - x0 + 1) * (tempSP[n] - tSP0[n]) + tSP0[n]
 559                                         dc.SetPen(tempSPPen)
 560                                         dc.DrawPoint(x, h - (tSP * h / 350))
 561                                         dc.SetPen(tempPen)
 562                                         dc.DrawPoint(x, h - (t * h / 350))
 563                                 bt = float(x - x0) / float(x1 - x0 + 1) * (bedTemp - bt0) + bt0
 564                                 btSP = float(x - x0) / float(x1 - x0 + 1) * (bedTempSP - btSP0) + btSP0
 565                                 dc.SetPen(bedTempSPPen)
 566                                 dc.DrawPoint(x, h - (btSP * h / 350))
 567                                 dc.SetPen(bedTempPen)
 568                                 dc.DrawPoint(x, h - (bt * h / 350))
 569                         t0 = temp
 570                         bt0 = bedTemp
 571                         tSP0 = tempSP
 572                         btSP0 = bedTempSP
 573                         x0 = x1 + 1
 574
 575                 del dc
 576                 self.Refresh(eraseBackground=False)
 577                 self.Update()
 578
 579                 if len(self._points) > 0 and (time.time() - self._points[0][4]) > w + 20:
 580                         self._points.pop(0)
 581
 582         def addPoint(self, temp, tempSP, bedTemp, bedTempSP):
 583                 if len(self._points) > 0 and time.time() - self._points[-1][4] < 0.5:
 584                         return
 585                 for n in xrange(0, len(temp)):
 586                         if temp[n] is None:
 587                                 temp[n] = 0
 588                 for n in xrange(0, len(tempSP)):
 589                         if tempSP[n] is None:
 590                                 tempSP[n] = 0
 591                 if bedTemp is None:
 592                         bedTemp = 0
 593                 if bedTempSP is None:
 594                         bedTempSP = 0
 595                 self._points.append((temp[:], tempSP[:], bedTemp, bedTempSP, time.time()))
 596                 wx.CallAfter(self.UpdateDrawing)
 597
 598
 599 class LogWindow(wx.Frame):
 600         def __init__(self, logText):
 601                 super(LogWindow, self).__init__(None, title="Error log")
 602                 self.textBox = wx.TextCtrl(self, -1, logText, style=wx.TE_MULTILINE | wx.TE_DONTWRAP | wx.TE_READONLY)
 603                 self.SetSize((500, 400))
 604                 self.Show(True)