1 #!/usr/bin/env python

     2 # -*- coding: utf-8 -*-

     3 

     4 #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

     5 #based on the plcopen standard. 

     6 #

     7 #Copyright (C) 2013: Edouard TISSERANT and Laurent BESSARD

     8 #

     9 #See COPYING file for copyrights details.

    10 #

    11 #This library is free software; you can redistribute it and/or

    12 #modify it under the terms of the GNU General Public

    13 #License as published by the Free Software Foundation; either

    14 #version 2.1 of the License, or (at your option) any later version.

    15 #

    16 #This library is distributed in the hope that it will be useful,

    17 #but WITHOUT ANY WARRANTY; without even the implied warranty of

    18 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    19 #General Public License for more details.

    20 #

    21 #You should have received a copy of the GNU General Public

    22 #License along with this library; if not, write to the Free Software

    23 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    24 

    25 from datetime import datetime

    26 from time import time as gettime

    27 import numpy

    28 

    29 import wx

    30 

    31 from controls.CustomToolTip import CustomToolTip, TOOLTIP_WAIT_PERIOD

    32 from editors.DebugViewer import DebugViewer, REFRESH_PERIOD

    33 from targets.typemapping import LogLevelsCount, LogLevels

    34 from util.BitmapLibrary import GetBitmap

    35 

    36 THUMB_SIZE_RATIO = 1. / 8.

    37 

    38 def ArrowPoints(direction, width, height, xoffset, yoffset):

    39     if direction == wx.TOP:

    40         return [wx.Point(xoffset + 1, yoffset + height - 2),

    41                 wx.Point(xoffset + width / 2, yoffset + 1),

    42                 wx.Point(xoffset + width - 1, yoffset + height - 2)]

    43     else:

    44         return [wx.Point(xoffset + 1, yoffset - height + 1),

    45                 wx.Point(xoffset + width / 2, yoffset - 2),

    46                 wx.Point(xoffset + width - 1, yoffset - height + 1)]

    47 

    48 class LogScrollBar(wx.Panel):

    49     

    50     def __init__(self, parent, size):

    51         wx.Panel.__init__(self, parent, size=size)

    52         self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)

    53         self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)

    54         self.Bind(wx.EVT_MOTION, self.OnMotion)

    55         self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)

    56         self.Bind(wx.EVT_PAINT, self.OnPaint)

    57         self.Bind(wx.EVT_SIZE, self.OnResize)

    58         

    59         self.ThumbPosition = 0. # -1 <= ThumbPosition <= 1

    60         self.ThumbScrollingStartPos = None

    61     

    62     def GetRangeRect(self):

    63         width, height = self.GetClientSize()

    64         return wx.Rect(0, width, width, height - 2 * width)

    65     

    66     def GetThumbRect(self):

    67         width, height = self.GetClientSize()

    68         range_rect = self.GetRangeRect()

    69         thumb_size = range_rect.height * THUMB_SIZE_RATIO

    70         thumb_range = range_rect.height - thumb_size

    71         thumb_center_position = (thumb_size + (self.ThumbPosition + 1) * thumb_range) / 2.

    72         thumb_start = int(thumb_center_position - thumb_size / 2.)

    73         thumb_end = int(thumb_center_position + thumb_size / 2.)

    74         return wx.Rect(0, range_rect.y + thumb_start, width, thumb_end - thumb_start)

    75     

    76     def RefreshThumbPosition(self, thumb_position=None):

    77         if thumb_position is None:

    78             thumb_position = self.ThumbPosition

    79         if self.Parent.IsMessagePanelTop():

    80             thumb_position = max(0., thumb_position)

    81         if self.Parent.IsMessagePanelBottom():

    82             thumb_position = min(0., thumb_position)

    83         if thumb_position != self.ThumbPosition:

    84             self.ThumbPosition = thumb_position

    85             self.Parent.SetScrollSpeed(self.ThumbPosition)

    86         self.Refresh()

    87     

    88     def OnLeftDown(self, event):

    89         self.CaptureMouse()

    90         posx, posy = event.GetPosition()

    91         width, height = self.GetClientSize()

    92         range_rect = self.GetRangeRect()

    93         thumb_rect = self.GetThumbRect()

    94         if range_rect.InsideXY(posx, posy):

    95             if thumb_rect.InsideXY(posx, posy):

    96                 self.ThumbScrollingStartPos = wx.Point(posx, posy)

    97             elif posy < thumb_rect.y:

    98                 self.Parent.ScrollToLast()

    99             elif posy > thumb_rect.y + thumb_rect.height:

   100                 self.Parent.ScrollToFirst()

   101         elif posy < width:

   102             self.Parent.ScrollMessagePanelByPage(1)

   103         elif posy > height - width:

   104             self.Parent.ScrollMessagePanelByPage(-1)

   105         event.Skip()

   106         

   107     def OnLeftUp(self, event):

   108         self.ThumbScrollingStartPos = None

   109         self.RefreshThumbPosition(0.)

   110         if self.HasCapture():

   111             self.ReleaseMouse()

   112         event.Skip()

   113         

   114     def OnMotion(self, event):

   115         if event.Dragging() and self.ThumbScrollingStartPos is not None:

   116             posx, posy = event.GetPosition()

   117             width, height = self.GetClientSize()

   118             range_rect = self.GetRangeRect()

   119             thumb_size = range_rect.height * THUMB_SIZE_RATIO

   120             thumb_range = range_rect.height - thumb_size

   121             self.RefreshThumbPosition(

   122                 max(-1., min((posy - self.ThumbScrollingStartPos.y) * 2. / thumb_range, 1.)))

   123         event.Skip()

   124     

   125     def OnResize(self, event):

   126         self.Refresh()

   127         event.Skip()

   128     

   129     def OnEraseBackground(self, event):

   130         pass

   131     

   132     def OnPaint(self, event):

   133         dc = wx.BufferedPaintDC(self)

   134         dc.Clear()

   135         dc.BeginDrawing()

   136         

   137         gc = wx.GCDC(dc)

   138         

   139         width, height = self.GetClientSize()

   140         

   141         gc.SetPen(wx.Pen(wx.NamedColour("GREY"), 3))

   142         gc.SetBrush(wx.GREY_BRUSH)

   143         

   144         gc.DrawLines(ArrowPoints(wx.TOP, width * 0.75, width * 0.5, 2, (width + height) / 4 - 3))

   145         gc.DrawLines(ArrowPoints(wx.TOP, width * 0.75, width * 0.5, 2, (width + height) / 4 + 3))

   146         

   147         gc.DrawLines(ArrowPoints(wx.BOTTOM, width * 0.75, width * 0.5, 2, (height * 3 - width) / 4 + 3))

   148         gc.DrawLines(ArrowPoints(wx.BOTTOM, width * 0.75, width * 0.5, 2, (height * 3 - width) / 4 - 3))

   149         

   150         thumb_rect = self.GetThumbRect()

   151         exclusion_rect = wx.Rect(thumb_rect.x, thumb_rect.y,

   152                                  thumb_rect.width, thumb_rect.height)

   153         if self.Parent.IsMessagePanelTop():

   154             exclusion_rect.y, exclusion_rect.height = width, exclusion_rect.y + exclusion_rect.height - width

   155         if self.Parent.IsMessagePanelBottom():

   156             exclusion_rect.height = height - width - exclusion_rect.y

   157         if exclusion_rect != thumb_rect:

   158             colour = wx.NamedColour("LIGHT GREY")

   159             gc.SetPen(wx.Pen(colour))

   160             gc.SetBrush(wx.Brush(colour))

   161         

   162             gc.DrawRectangle(exclusion_rect.x, exclusion_rect.y, 

   163                              exclusion_rect.width, exclusion_rect.height)

   164         

   165         gc.SetPen(wx.GREY_PEN)

   166         gc.SetBrush(wx.GREY_BRUSH)

   167         

   168         gc.DrawPolygon(ArrowPoints(wx.TOP, width, width, 0, 0))

   169         

   170         gc.DrawPolygon(ArrowPoints(wx.BOTTOM, width, width, 0, height))

   171             

   172         gc.DrawRectangle(thumb_rect.x, thumb_rect.y, 

   173                          thumb_rect.width, thumb_rect.height)

   174         

   175         dc.EndDrawing()

   176         event.Skip()

   177 

   178 BUTTON_SIZE = (30, 15)

   179 

   180 class LogButton():

   181     

   182     def __init__(self, label, callback):

   183         self.Position = wx.Point(0, 0)

   184         self.Size = wx.Size(*BUTTON_SIZE)

   185         self.Label = label

   186         self.Shown = True

   187         self.Callback = callback

   188     

   189     def __del__(self):

   190         self.callback = None

   191     

   192     def GetSize(self):

   193         return self.Size

   194     

   195     def SetPosition(self, x, y):

   196         self.Position = wx.Point(x, y)

   197     

   198     def HitTest(self, x, y):

   199         rect = wx.Rect(self.Position.x, self.Position.y, 

   200                        self.Size.width, self.Size.height)

   201         if rect.InsideXY(x, y):

   202             return True

   203         return False

   204     

   205     def ProcessCallback(self):

   206         if self.Callback is not None:

   207             wx.CallAfter(self.Callback)

   208             

   209     def Draw(self, dc):

   210         dc.SetPen(wx.TRANSPARENT_PEN)

   211         dc.SetBrush(wx.Brush(wx.NamedColour("LIGHT GREY")))

   212         

   213         dc.DrawRectangle(self.Position.x, self.Position.y, 

   214                          self.Size.width, self.Size.height)

   215         

   216         w, h = dc.GetTextExtent(self.Label)

   217         dc.DrawText(self.Label, 

   218             self.Position.x + (self.Size.width - w) / 2, 

   219             self.Position.y + (self.Size.height - h) / 2)

   220 

   221 DATE_INFO_SIZE = 10

   222 MESSAGE_INFO_SIZE = 18

   223 

   224 class LogMessage:

   225     

   226     def __init__(self, tv_sec, tv_nsec, level, level_bitmap, msg):

   227         self.Date = datetime.utcfromtimestamp(tv_sec)

   228         self.Seconds = self.Date.second + tv_nsec * 1e-9

   229         self.Date = self.Date.replace(second=0)

   230         self.Timestamp = tv_sec + tv_nsec * 1e-9

   231         self.Level = level

   232         self.LevelBitmap = level_bitmap

   233         self.Message = msg

   234         self.DrawDate = True

   235     

   236     def __cmp__(self, other):

   237         if self.Date == other.Date:

   238             return cmp(self.Seconds, other.Seconds)

   239         return cmp(self.Date, other.Date)

   240     

   241     def GetFullText(self):

   242         date = self.Date.replace(second=int(self.Seconds))

   243         nsec = (self.Seconds % 1.) * 1e9

   244         return "%s at %s.%9.9d:\n%s" % (

   245             LogLevels[self.Level],

   246             str(date), nsec,

   247             self.Message)

   248     

   249     def Draw(self, dc, offset, width, draw_date):

   250         if draw_date:

   251             datetime_text = self.Date.strftime("%d/%m/%y %H:%M")

   252             dw, dh = dc.GetTextExtent(datetime_text)

   253             dc.DrawText(datetime_text, (width - dw) / 2, offset + (DATE_INFO_SIZE - dh) / 2)

   254             offset += DATE_INFO_SIZE

   255         

   256         seconds_text = "%12.9f" % self.Seconds

   257         sw, sh = dc.GetTextExtent(seconds_text)

   258         dc.DrawText(seconds_text, 5, offset + (MESSAGE_INFO_SIZE - sh) / 2)

   259         

   260         bw, bh = self.LevelBitmap.GetWidth(), self.LevelBitmap.GetHeight()

   261         dc.DrawBitmap(self.LevelBitmap, 10 + sw, offset + (MESSAGE_INFO_SIZE - bh) / 2)

   262         

   263         text = self.Message.replace("\n", " ")

   264         mw, mh = dc.GetTextExtent(text)

   265         dc.DrawText(text, 15 + sw + bw, offset + (MESSAGE_INFO_SIZE - mh) / 2)

   266         

   267     def GetHeight(self, draw_date):

   268         if draw_date:

   269             return DATE_INFO_SIZE + MESSAGE_INFO_SIZE

   270         return MESSAGE_INFO_SIZE

   271 

   272 SECOND = 1

   273 MINUTE = 60 * SECOND

   274 HOUR = 60 * MINUTE

   275 DAY = 24 * HOUR

   276 

   277 CHANGE_TIMESTAMP_BUTTONS = [(_("1d"), DAY),

   278                             (_("1h"), HOUR),

   279                             (_("1m"), MINUTE),

   280                             (_("1s"), SECOND)]

   281 

   282 class LogViewer(DebugViewer, wx.Panel):

   283     

   284     def __init__(self, parent, window):

   285         wx.Panel.__init__(self, parent, style=wx.TAB_TRAVERSAL|wx.SUNKEN_BORDER)

   286         DebugViewer.__init__(self, None, False, False)

   287         

   288         main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)

   289         main_sizer.AddGrowableCol(0)

   290         main_sizer.AddGrowableRow(1)

   291         

   292         filter_sizer = wx.BoxSizer(wx.HORIZONTAL)

   293         main_sizer.AddSizer(filter_sizer, border=5, flag=wx.TOP|wx.LEFT|wx.RIGHT|wx.GROW)

   294         

   295         self.MessageFilter = wx.ComboBox(self, style=wx.CB_READONLY)

   296         self.MessageFilter.Append(_("All"))

   297         levels = LogLevels[:3]

   298         levels.reverse()

   299         for level in levels:

   300             self.MessageFilter.Append(_(level))

   301         self.Bind(wx.EVT_COMBOBOX, self.OnMessageFilterChanged, self.MessageFilter)

   302         filter_sizer.AddWindow(self.MessageFilter, 1, border=5, flag=wx.RIGHT|wx.ALIGN_CENTER_VERTICAL)

   303         

   304         self.SearchMessage = wx.SearchCtrl(self, style=wx.TE_PROCESS_ENTER)

   305         self.SearchMessage.ShowSearchButton(True)

   306         self.SearchMessage.ShowCancelButton(True)

   307         self.Bind(wx.EVT_TEXT_ENTER, self.OnSearchMessageChanged, self.SearchMessage)

   308         self.Bind(wx.EVT_SEARCHCTRL_SEARCH_BTN, 

   309               self.OnSearchMessageSearchButtonClick, self.SearchMessage)

   310         self.Bind(wx.EVT_SEARCHCTRL_CANCEL_BTN, 

   311               self.OnSearchMessageCancelButtonClick, self.SearchMessage)

   312         filter_sizer.AddWindow(self.SearchMessage, 3, border=5, flag=wx.RIGHT|wx.ALIGN_CENTER_VERTICAL)

   313         

   314         self.CleanButton = wx.lib.buttons.GenBitmapButton(self, bitmap=GetBitmap("Clean"), 

   315               size=wx.Size(28, 28), style=wx.NO_BORDER)

   316         self.CleanButton.SetToolTipString(_("Clean log messages"))

   317         self.Bind(wx.EVT_BUTTON, self.OnCleanButton, self.CleanButton)

   318         filter_sizer.AddWindow(self.CleanButton)

   319         

   320         message_panel_sizer = wx.FlexGridSizer(cols=2, hgap=0, rows=1, vgap=0)

   321         message_panel_sizer.AddGrowableCol(0)

   322         message_panel_sizer.AddGrowableRow(0)

   323         main_sizer.AddSizer(message_panel_sizer, border=5, flag=wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.GROW)

   324         

   325         self.MessagePanel = wx.Panel(self)

   326         if wx.Platform == '__WXMSW__':

   327             self.Font = wx.Font(8, wx.SWISS, wx.NORMAL, wx.NORMAL, faceName='Courier New')

   328         else:

   329             self.Font = wx.Font(10, wx.SWISS, wx.NORMAL, wx.NORMAL, faceName='Courier')

   330         self.MessagePanel.Bind(wx.EVT_LEFT_UP, self.OnMessagePanelLeftUp)

   331         self.MessagePanel.Bind(wx.EVT_RIGHT_UP, self.OnMessagePanelRightUp)

   332         self.MessagePanel.Bind(wx.EVT_LEFT_DCLICK, self.OnMessagePanelLeftDCLick)

   333         self.MessagePanel.Bind(wx.EVT_MOTION, self.OnMessagePanelMotion)

   334         self.MessagePanel.Bind(wx.EVT_LEAVE_WINDOW, self.OnMessagePanelLeaveWindow)

   335         self.MessagePanel.Bind(wx.EVT_MOUSEWHEEL, self.OnMessagePanelMouseWheel)

   336         self.MessagePanel.Bind(wx.EVT_ERASE_BACKGROUND, self.OnMessagePanelEraseBackground)

   337         self.MessagePanel.Bind(wx.EVT_PAINT, self.OnMessagePanelPaint)

   338         self.MessagePanel.Bind(wx.EVT_SIZE, self.OnMessagePanelResize)

   339         message_panel_sizer.AddWindow(self.MessagePanel, flag=wx.GROW)

   340         

   341         self.MessageScrollBar = LogScrollBar(self, wx.Size(16, -1))

   342         message_panel_sizer.AddWindow(self.MessageScrollBar, flag=wx.GROW)

   343         

   344         self.SetSizer(main_sizer)

   345         

   346         self.LeftButtons = []

   347         for label, callback in [("+" + text, self.GenerateOnDurationButton(duration)) 

   348                                 for text, duration in CHANGE_TIMESTAMP_BUTTONS]:

   349             self.LeftButtons.append(LogButton(label, callback))

   350         

   351         self.RightButtons = []

   352         for label, callback in [("-" + text, self.GenerateOnDurationButton(-duration)) 

   353                                 for text, duration in CHANGE_TIMESTAMP_BUTTONS]:

   354             self.RightButtons.append(LogButton(label, callback))

   355         

   356         self.MessageFilter.SetSelection(0)

   357         self.LogSource = None

   358         self.ResetLogMessages()

   359         self.ParentWindow = window

   360     

   361         self.LevelIcons = [GetBitmap("LOG_" + level) for level in LogLevels]

   362         self.LevelFilters = [range(i) for i in xrange(4, 0, -1)]

   363         self.CurrentFilter = self.LevelFilters[0]

   364         self.CurrentSearchValue = ""

   365         

   366         self.ScrollSpeed = 0.

   367         self.LastStartTime = None

   368         self.ScrollTimer = wx.Timer(self, -1)

   369         self.Bind(wx.EVT_TIMER, self.OnScrollTimer, self.ScrollTimer)

   370         

   371         self.LastMousePos = None

   372         self.MessageToolTip = None

   373         self.MessageToolTipTimer = wx.Timer(self, -1)

   374         self.Bind(wx.EVT_TIMER, self.OnMessageToolTipTimer, self.MessageToolTipTimer)

   375     

   376     def __del__(self):

   377         self.ScrollTimer.Stop()

   378     

   379     def ResetLogMessages(self):

   380         self.previous_log_count = [None]*LogLevelsCount

   381         self.OldestMessages = []

   382         self.LogMessages = []

   383         self.LogMessagesTimestamp = numpy.array([])

   384         self.CurrentMessage = None

   385         self.HasNewData = False

   386     

   387     def SetLogSource(self, log_source):

   388         self.LogSource = log_source

   389         self.CleanButton.Enable(self.LogSource is not None)

   390         if log_source is not None:

   391             self.ResetLogMessages()

   392             self.RefreshView()

   393     

   394     def GetLogMessageFromSource(self, msgidx, level):

   395         if self.LogSource is not None:

   396             answer = self.LogSource.GetLogMessage(level, msgidx)

   397             if answer is not None:

   398                 msg, tick, tv_sec, tv_nsec = answer

   399                 return LogMessage(tv_sec, tv_nsec, level, self.LevelIcons[level], msg)

   400         return None

   401     

   402     def SetLogCounters(self, log_count):

   403         new_messages = []

   404         for level, count, prev in zip(xrange(LogLevelsCount), log_count, self.previous_log_count):

   405             if count is not None and prev != count:

   406                 if prev is None:

   407                     dump_end = max(-1, count - 10)

   408                     oldest_message = (-1, None)

   409                 else:

   410                     dump_end = prev - 1

   411                 for msgidx in xrange(count-1, dump_end,-1):

   412                     new_message = self.GetLogMessageFromSource(msgidx, level)

   413                     if new_message is None:

   414                         if prev is None:

   415                             oldest_message = (-1, None)

   416                         break

   417                     if prev is None:

   418                         oldest_message = (msgidx, new_message)

   419                         if len(new_messages) == 0:

   420                             new_messages = [new_message]

   421                         else:

   422                             new_messages.insert(0, new_message)

   423                     else:

   424                         new_messages.insert(0, new_message)

   425                 if prev is None and len(self.OldestMessages) <= level:

   426                     self.OldestMessages.append(oldest_message)

   427                 self.previous_log_count[level] = count

   428         new_messages.sort()

   429         if len(new_messages) > 0:

   430             self.HasNewData = True

   431             if self.CurrentMessage is not None:

   432                 current_is_last = self.GetNextMessage(self.CurrentMessage)[0] is None

   433             else:

   434                 current_is_last = True

   435             for new_message in new_messages:

   436                 self.LogMessages.append(new_message)

   437                 self.LogMessagesTimestamp = numpy.append(self.LogMessagesTimestamp, [new_message.Timestamp])

   438             if current_is_last:

   439                 self.ScrollToLast(False)

   440                 self.ResetMessageToolTip()

   441                 self.MessageToolTipTimer.Stop()

   442                 self.ParentWindow.SelectTab(self)

   443             self.NewDataAvailable(None)

   444     

   445     def FilterLogMessage(self, message, timestamp=None):

   446         return (message.Level in self.CurrentFilter and 

   447                 message.Message.find(self.CurrentSearchValue) != -1 and

   448                 (timestamp is None or message.Timestamp < timestamp))

   449     

   450     def GetMessageByTimestamp(self, timestamp):

   451         if self.CurrentMessage is not None:

   452             msgidx = numpy.argmin(abs(self.LogMessagesTimestamp - timestamp))

   453             message = self.LogMessages[msgidx]

   454             if self.FilterLogMessage(message) and message.Timestamp > timestamp:

   455                 return self.GetPreviousMessage(msgidx, timestamp)

   456             return message, msgidx

   457         return None, None

   458     

   459     def GetNextMessage(self, msgidx):

   460         while msgidx < len(self.LogMessages) - 1:

   461             message = self.LogMessages[msgidx + 1]

   462             if self.FilterLogMessage(message):

   463                 return message, msgidx + 1

   464             msgidx += 1

   465         return None, None

   466     

   467     def GetPreviousMessage(self, msgidx, timestamp=None):

   468         message = None

   469         while 0 < msgidx < len(self.LogMessages):

   470             message = self.LogMessages[msgidx - 1]

   471             if self.FilterLogMessage(message, timestamp):

   472                 return message, msgidx - 1

   473             msgidx -= 1

   474         if len(self.LogMessages) > 0:

   475             message = self.LogMessages[0]

   476             for idx, msg in self.OldestMessages:

   477                 if msg is not None and msg > message:

   478                     message = msg

   479             while message is not None:

   480                 level = message.Level

   481                 oldest_msgidx, oldest_message = self.OldestMessages[level]

   482                 if oldest_msgidx > 0:

   483                     message = self.GetLogMessageFromSource(oldest_msgidx - 1, level)

   484                     if message is not None:

   485                         self.OldestMessages[level] = (oldest_msgidx - 1, message)

   486                     else:

   487                         self.OldestMessages[level] = (-1, None)

   488                 else:

   489                     message = None

   490                     self.OldestMessages[level] = (-1, None)

   491                 if message is not None:

   492                     message_idx = 0

   493                     while (message_idx < len(self.LogMessages) and 

   494                            self.LogMessages[message_idx] < message):

   495                         message_idx += 1

   496                     if len(self.LogMessages) > 0:

   497                         current_message = self.LogMessages[self.CurrentMessage]

   498                     else:

   499                         current_message = message

   500                     self.LogMessages.insert(message_idx, message)

   501                     self.LogMessagesTimestamp = numpy.insert(

   502                             self.LogMessagesTimestamp, 

   503                             [message_idx], 

   504                             [message.Timestamp])

   505                     self.CurrentMessage = self.LogMessages.index(current_message)

   506                     if message_idx == 0 and self.FilterLogMessage(message, timestamp):

   507                         return message, 0

   508                 for idx, msg in self.OldestMessages:

   509                     if msg is not None and (message is None or msg > message):

   510                         message = msg

   511         return None, None

   512     

   513     def RefreshNewData(self, *args, **kwargs):

   514         if self.HasNewData:

   515             self.HasNewData = False

   516             self.RefreshView()

   517         DebugViewer.RefreshNewData(self, *args, **kwargs)

   518     

   519     def RefreshView(self):

   520         width, height = self.MessagePanel.GetClientSize()

   521         bitmap = wx.EmptyBitmap(width, height)

   522         dc = wx.BufferedDC(wx.ClientDC(self.MessagePanel), bitmap)

   523         dc.Clear()

   524         dc.BeginDrawing()

   525         

   526         if self.CurrentMessage is not None:

   527             

   528             dc.SetFont(self.Font)

   529             

   530             for button in self.LeftButtons + self.RightButtons:

   531                 button.Draw(dc)

   532             

   533             message_idx = self.CurrentMessage

   534             message = self.LogMessages[message_idx]

   535             draw_date = True

   536             offset = 5

   537             while offset < height and message is not None:

   538                 message.Draw(dc, offset, width, draw_date)

   539                 offset += message.GetHeight(draw_date)

   540                 

   541                 previous_message, message_idx = self.GetPreviousMessage(message_idx)

   542                 if previous_message is not None:

   543                     draw_date = message.Date != previous_message.Date

   544                 message = previous_message

   545         

   546         dc.EndDrawing()

   547         

   548         self.MessageScrollBar.RefreshThumbPosition()

   549     

   550     def IsMessagePanelTop(self, message_idx=None):

   551         if message_idx is None:

   552             message_idx = self.CurrentMessage

   553         if message_idx is not None:

   554             return self.GetNextMessage(message_idx)[0] is None

   555         return True

   556     

   557     def IsMessagePanelBottom(self, message_idx=None):

   558         if message_idx is None:

   559             message_idx = self.CurrentMessage

   560         if message_idx is not None:

   561             width, height = self.MessagePanel.GetClientSize()

   562             offset = 5

   563             message = self.LogMessages[message_idx]

   564             draw_date = True

   565             while message is not None and offset < height:

   566                 offset += message.GetHeight(draw_date)

   567                 previous_message, message_idx = self.GetPreviousMessage(message_idx)

   568                 if previous_message is not None:

   569                     draw_date = message.Date != previous_message.Date

   570                 message = previous_message

   571             return offset < height

   572         return True

   573     

   574     def ScrollMessagePanel(self, scroll):

   575         if self.CurrentMessage is not None:

   576             message = self.LogMessages[self.CurrentMessage]

   577             while scroll > 0 and message is not None:

   578                 message, msgidx = self.GetNextMessage(self.CurrentMessage)

   579                 if message is not None:

   580                     self.CurrentMessage = msgidx

   581                     scroll -= 1

   582             while scroll < 0 and message is not None and not self.IsMessagePanelBottom():

   583                 message, msgidx = self.GetPreviousMessage(self.CurrentMessage)

   584                 if message is not None:

   585                     self.CurrentMessage = msgidx

   586                     scroll += 1

   587             self.RefreshView()

   588     

   589     def ScrollMessagePanelByPage(self, page):

   590         if self.CurrentMessage is not None:

   591             width, height = self.MessagePanel.GetClientSize()

   592             message_per_page = max(1, (height - DATE_INFO_SIZE) / MESSAGE_INFO_SIZE - 1)

   593             self.ScrollMessagePanel(page * message_per_page)

   594     

   595     def ScrollMessagePanelByTimestamp(self, seconds):

   596         if self.CurrentMessage is not None:

   597             current_message = self.LogMessages[self.CurrentMessage]

   598             message, msgidx = self.GetMessageByTimestamp(current_message.Timestamp + seconds)

   599             if message is None or self.IsMessagePanelBottom(msgidx):

   600                 self.ScrollToFirst()

   601             else:

   602                 if seconds > 0 and self.CurrentMessage == msgidx and msgidx < len(self.LogMessages) - 1:

   603                     msgidx += 1

   604                 self.CurrentMessage = msgidx

   605                 self.RefreshView()

   606             

   607     def ResetMessagePanel(self):

   608         if len(self.LogMessages) > 0:

   609             self.CurrentMessage = len(self.LogMessages) - 1

   610             message = self.LogMessages[self.CurrentMessage]

   611             while message is not None and not self.FilterLogMessage(message):

   612                 message, self.CurrentMessage = self.GetPreviousMessage(self.CurrentMessage)

   613             self.RefreshView()

   614     

   615     def OnMessageFilterChanged(self, event):

   616         self.CurrentFilter = self.LevelFilters[self.MessageFilter.GetSelection()]

   617         self.ResetMessagePanel()

   618         event.Skip()

   619     

   620     def OnSearchMessageChanged(self, event):

   621         self.CurrentSearchValue = self.SearchMessage.GetValue()

   622         self.ResetMessagePanel()

   623         event.Skip()

   624         

   625     def OnSearchMessageSearchButtonClick(self, event):

   626         self.CurrentSearchValue = self.SearchMessage.GetValue()

   627         self.ResetMessagePanel()

   628         event.Skip()

   629     

   630     def OnSearchMessageCancelButtonClick(self, event):

   631         self.CurrentSearchValue = ""

   632         self.SearchMessage.SetValue("")

   633         self.ResetMessagePanel()

   634         event.Skip()

   635     

   636     def OnCleanButton(self, event):

   637         if self.LogSource is not None:

   638             self.LogSource.ResetLogCount()

   639         self.ResetLogMessages()

   640         self.RefreshView()

   641         event.Skip()

   642     

   643     def GenerateOnDurationButton(self, duration):

   644         def OnDurationButton():

   645             self.ScrollMessagePanelByTimestamp(duration)

   646         return OnDurationButton

   647     

   648     def GetCopyMessageToClipboardFunction(self, message):

   649         def CopyMessageToClipboardFunction(event):

   650             self.ParentWindow.SetCopyBuffer(message.GetFullText())

   651         return CopyMessageToClipboardFunction

   652     

   653     def GetMessageByScreenPos(self, posx, posy):

   654         if self.CurrentMessage is not None:

   655             width, height = self.MessagePanel.GetClientSize()

   656             message_idx = self.CurrentMessage

   657             message = self.LogMessages[message_idx]

   658             draw_date = True

   659             offset = 5

   660             

   661             while offset < height and message is not None:

   662                 if draw_date:

   663                     offset += DATE_INFO_SIZE

   664     

   665                 if offset <= posy < offset + MESSAGE_INFO_SIZE:

   666                     return message

   667         

   668                 offset += MESSAGE_INFO_SIZE

   669                 

   670                 previous_message, message_idx = self.GetPreviousMessage(message_idx)

   671                 if previous_message is not None:

   672                     draw_date = message.Date != previous_message.Date

   673                 message = previous_message

   674         return None

   675     

   676     def OnMessagePanelLeftUp(self, event):

   677         if self.CurrentMessage is not None:

   678             posx, posy = event.GetPosition()

   679             for button in self.LeftButtons + self.RightButtons:

   680                 if button.HitTest(posx, posy):

   681                     button.ProcessCallback()

   682                     break

   683         event.Skip()

   684     

   685     def OnMessagePanelRightUp(self, event):

   686         message = self.GetMessageByScreenPos(*event.GetPosition())

   687         if message is not None:

   688             menu = wx.Menu(title='')

   689             

   690             new_id = wx.NewId()

   691             menu.Append(help='', id=new_id, kind=wx.ITEM_NORMAL, text=_("Copy"))

   692             self.Bind(wx.EVT_MENU, self.GetCopyMessageToClipboardFunction(message), id=new_id)

   693     

   694             self.MessagePanel.PopupMenu(menu)

   695             menu.Destroy()

   696         event.Skip()

   697     

   698     def OnMessagePanelLeftDCLick(self, event):

   699         message = self.GetMessageByScreenPos(*event.GetPosition())

   700         if message is not None:

   701             self.SearchMessage.SetFocus()

   702             self.SearchMessage.SetValue(message.Message)

   703         event.Skip()

   704     

   705     def ResetMessageToolTip(self):

   706         if self.MessageToolTip is not None:

   707             self.MessageToolTip.Destroy()

   708             self.MessageToolTip = None

   709     

   710     def OnMessageToolTipTimer(self, event):

   711         if self.LastMousePos is not None:

   712             message = self.GetMessageByScreenPos(*self.LastMousePos)

   713             if message is not None:

   714                 tooltip_pos = self.MessagePanel.ClientToScreen(self.LastMousePos)

   715                 tooltip_pos.x += 10

   716                 tooltip_pos.y += 10

   717                 self.MessageToolTip = CustomToolTip(self.MessagePanel, message.GetFullText(), False)

   718                 self.MessageToolTip.SetFont(self.Font)

   719                 self.MessageToolTip.SetToolTipPosition(tooltip_pos)

   720                 self.MessageToolTip.Show()

   721         event.Skip()

   722     

   723     def OnMessagePanelMotion(self, event):

   724         if not event.Dragging():

   725             self.ResetMessageToolTip()

   726             self.LastMousePos = event.GetPosition()

   727             self.MessageToolTipTimer.Start(int(TOOLTIP_WAIT_PERIOD * 1000), oneShot=True)

   728         event.Skip()

   729         

   730     def OnMessagePanelLeaveWindow(self, event):

   731         self.ResetMessageToolTip()

   732         self.LastMousePos = None

   733         self.MessageToolTipTimer.Stop()

   734         event.Skip()

   735     

   736     def OnMessagePanelMouseWheel(self, event):

   737         self.ScrollMessagePanel(event.GetWheelRotation() / event.GetWheelDelta())

   738         event.Skip()

   739     

   740     def OnMessagePanelEraseBackground(self, event):

   741         pass

   742     

   743     def OnMessagePanelPaint(self, event):

   744         self.RefreshView()

   745         event.Skip()

   746     

   747     def OnMessagePanelResize(self, event):

   748         width, height = self.MessagePanel.GetClientSize()

   749         offset = 2

   750         for button in self.LeftButtons:

   751             button.SetPosition(offset, 2)

   752             w, h = button.GetSize()

   753             offset += w + 2

   754         offset = width - 2

   755         for button in self.RightButtons:

   756             w, h = button.GetSize()

   757             button.SetPosition(offset - w, 2)

   758             offset -= w + 2

   759         if self.IsMessagePanelBottom():

   760             self.ScrollToFirst()

   761         else:

   762             self.RefreshView()

   763         event.Skip()

   764     

   765     def OnScrollTimer(self, event):

   766         if self.ScrollSpeed != 0.:

   767             speed_norm = abs(self.ScrollSpeed)

   768             period = REFRESH_PERIOD / speed_norm

   769             self.ScrollMessagePanel(-speed_norm / self.ScrollSpeed)

   770             self.LastStartTime = gettime()

   771             self.ScrollTimer.Start(int(period * 1000), True)

   772         event.Skip()

   773     

   774     def SetScrollSpeed(self, speed):

   775         if speed == 0.:

   776             self.ScrollTimer.Stop()

   777         else:

   778             speed_norm = abs(speed)

   779             period = REFRESH_PERIOD / speed_norm

   780             current_time = gettime()

   781             if self.LastStartTime is not None:

   782                 elapsed_time = current_time - self.LastStartTime

   783                 if elapsed_time > period:

   784                     self.ScrollMessagePanel(-speed_norm / speed)

   785                     self.LastStartTime = current_time

   786                 else:

   787                     period -= elapsed_time

   788             else:

   789                 self.LastStartTime = current_time

   790             self.ScrollTimer.Start(int(period * 1000), True)

   791         self.ScrollSpeed = speed    

   792     

   793     def ScrollToLast(self, refresh=True):

   794         if len(self.LogMessages) > 0:

   795             self.CurrentMessage = len(self.LogMessages) - 1

   796             message = self.LogMessages[self.CurrentMessage]

   797             if not self.FilterLogMessage(message):

   798                 message, self.CurrentMessage = self.GetPreviousMessage(self.CurrentMessage)

   799             if refresh:

   800                 self.RefreshView()

   801 

   802     def ScrollToFirst(self):

   803         if len(self.LogMessages) > 0:

   804             message_idx = 0

   805             message = self.LogMessages[message_idx]

   806             if not self.FilterLogMessage(message):

   807                 next_message, msgidx = self.GetNextMessage(message_idx)

   808                 if next_message is not None:

   809                     message_idx = msgidx

   810                     message = next_message

   811             while message is not None:

   812                 message, msgidx = self.GetPreviousMessage(message_idx)

   813                 if message is not None:

   814                     message_idx = msgidx

   815             message = self.LogMessages[message_idx]

   816             if self.FilterLogMessage(message):

   817                 while message is not None:

   818                     message, msgidx = self.GetNextMessage(message_idx)

   819                     if message is not None:

   820                         if not self.IsMessagePanelBottom(msgidx):

   821                             break

   822                         message_idx = msgidx

   823                 self.CurrentMessage = message_idx

   824             else:

   825                 self.CurrentMessage = None

   826             self.RefreshView()