import os
import types
import wx
import wx.lib.buttons
from controls import EditorPanel
from PLCOpenEditor import TITLE, FILEMENU, PROJECTTREE, PAGETITLES
from util.misc import opjimg
from util.TextCtrlAutoComplete import TextCtrlAutoComplete
from util.BrowseValuesLibraryDialog import BrowseValuesLibraryDialog
if wx.Platform == '__WXMSW__':
faces = { 'times': 'Times New Roman',
'mono' : 'Courier New',
'helv' : 'Arial',
'other': 'Comic Sans MS',
'size' : 16,
}
else:
faces = { 'times': 'Times',
'mono' : 'Courier',
'helv' : 'Helvetica',
'other': 'new century schoolbook',
'size' : 18,
}
SCROLLBAR_UNIT = 10
WINDOW_COLOUR = wx.Colour(240, 240, 240)
CWD = os.path.split(os.path.realpath(__file__))[0]
def Bpath(*args):
return os.path.join(CWD,*args)
# Some helpers to tweak GenBitmapTextButtons
# TODO: declare customized classes instead.
gen_mini_GetBackgroundBrush = lambda obj:lambda dc: wx.Brush(obj.GetParent().GetBackgroundColour(), wx.SOLID)
gen_textbutton_GetLabelSize = lambda obj:lambda:(wx.lib.buttons.GenButton._GetLabelSize(obj)[:-1] + (False,))
def make_genbitmaptogglebutton_flat(button):
button.GetBackgroundBrush = gen_mini_GetBackgroundBrush(button)
button.labelDelta = 0
button.SetBezelWidth(0)
button.SetUseFocusIndicator(False)
# Patch wx.lib.imageutils so that gray is supported on alpha images
import wx.lib.imageutils
from wx.lib.imageutils import grayOut as old_grayOut
def grayOut(anImage):
if anImage.HasAlpha():
AlphaData = anImage.GetAlphaData()
else :
AlphaData = None
old_grayOut(anImage)
if AlphaData is not None:
anImage.SetAlphaData(AlphaData)
wx.lib.imageutils.grayOut = grayOut
class GenBitmapTextButton(wx.lib.buttons.GenBitmapTextButton):
def _GetLabelSize(self):
""" used internally """
w, h = self.GetTextExtent(self.GetLabel())
if not self.bmpLabel:
return w, h, False # if there isn't a bitmap use the size of the text
w_bmp = self.bmpLabel.GetWidth()+2
h_bmp = self.bmpLabel.GetHeight()+2
height = h + h_bmp
if w_bmp > w:
width = w_bmp
else:
width = w
return width, height, False
def DrawLabel(self, dc, width, height, dw=0, dy=0):
bmp = self.bmpLabel
if bmp != None: # if the bitmap is used
if self.bmpDisabled and not self.IsEnabled():
bmp = self.bmpDisabled
if self.bmpFocus and self.hasFocus:
bmp = self.bmpFocus
if self.bmpSelected and not self.up:
bmp = self.bmpSelected
bw,bh = bmp.GetWidth(), bmp.GetHeight()
if not self.up:
dw = dy = self.labelDelta
hasMask = bmp.GetMask() != None
else:
bw = bh = 0 # no bitmap -> size is zero
dc.SetFont(self.GetFont())
if self.IsEnabled():
dc.SetTextForeground(self.GetForegroundColour())
else:
dc.SetTextForeground(wx.SystemSettings.GetColour(wx.SYS_COLOUR_GRAYTEXT))
label = self.GetLabel()
tw, th = dc.GetTextExtent(label) # size of text
if not self.up:
dw = dy = self.labelDelta
pos_x = (width-bw)/2+dw # adjust for bitmap and text to centre
pos_y = (height-bh-th)/2+dy
if bmp !=None:
dc.DrawBitmap(bmp, pos_x, pos_y, hasMask) # draw bitmap if available
pos_x = (width-tw)/2+dw # adjust for bitmap and text to centre
pos_y += bh + 2
dc.DrawText(label, pos_x, pos_y) # draw the text
class GenStaticBitmap(wx.lib.statbmp.GenStaticBitmap):
""" Customized GenStaticBitmap, fix transparency redraw bug on wx2.8/win32,
and accept image name as __init__ parameter, fail silently if file do not exist"""
def __init__(self, parent, ID, bitmapname,
pos = wx.DefaultPosition, size = wx.DefaultSize,
style = 0,
name = "genstatbmp"):
bitmappath = Bpath( "images", bitmapname)
if os.path.isfile(bitmappath):
bitmap = wx.Bitmap(bitmappath)
else:
bitmap = None
wx.lib.statbmp.GenStaticBitmap.__init__(self, parent, ID, bitmap,
pos, size,
style,
name)
def OnPaint(self, event):
dc = wx.PaintDC(self)
colour = self.GetParent().GetBackgroundColour()
dc.SetPen(wx.Pen(colour))
dc.SetBrush(wx.Brush(colour ))
dc.DrawRectangle(0, 0, *dc.GetSizeTuple())
if self._bitmap:
dc.DrawBitmap(self._bitmap, 0, 0, True)
class ConfTreeNodeEditor(EditorPanel):
HAS_BASE_PARAMS = True
def _init_ConfNodeEditor(self, prnt):
self.ConfNodeEditor = None
def _init_Editor(self, prnt):
self.Editor = wx.SplitterWindow(id=self.ID, name='EditorSplitter', parent=prnt,
size=wx.Size(0, 0), style=wx.SUNKEN_BORDER|wx.SP_3D)
self.SetNeedUpdating(True)
self.SetMinimumPaneSize(1)
self.ParamsEditor = wx.ScrolledWindow(self.Editor, -1, size=wx.Size(-1, -1),
style=wx.TAB_TRAVERSAL|wx.SUNKEN_BORDER|wx.HSCROLL|wx.VSCROLL)
self.ParamsEditor.SetBackgroundColour(WINDOW_COLOUR)
self.ParamsEditor.Bind(wx.EVT_SIZE, self.OnWindowResize)
self.ParamsEditor.Bind(wx.EVT_MOUSEWHEEL, self.OnMouseWheel)
# Variable allowing disabling of ParamsEditor scroll when Popup shown
self.ScrollingEnabled = True
self.ParamsEditorSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=5)
self.ParamsEditorSizer.AddGrowableCol(0)
self.ParamsEditorSizer.AddGrowableRow(1)
self.ParamsEditor.SetSizer(self.ParamsEditorSizer)
baseparamseditor_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.ParamsEditorSizer.AddSizer(baseparamseditor_sizer, 0, border=5,
flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.TOP)
self.FullIECChannel = wx.StaticText(self.ParamsEditor, -1)
self.FullIECChannel.SetFont(
wx.Font(faces["size"], wx.DEFAULT, wx.NORMAL,
wx.BOLD, faceName = faces["helv"]))
baseparamseditor_sizer.AddWindow(self.FullIECChannel, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
updownsizer = wx.BoxSizer(wx.VERTICAL)
baseparamseditor_sizer.AddSizer(updownsizer, 0, border=5,
flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL)
ieccupbutton_id = wx.NewId()
self.IECCUpButton = wx.lib.buttons.GenBitmapTextButton(
id=ieccupbutton_id, bitmap=wx.Bitmap(opjimg('IECCDown')),
name='IECUpButton', parent=self.ParamsEditor, pos=wx.Point(0, 0),
size=wx.Size(16, 16), style=wx.NO_BORDER)
self.IECCUpButton.Bind(wx.EVT_BUTTON, self.GetItemChannelChangedFunction(1),
id=ieccupbutton_id)
updownsizer.AddWindow(self.IECCUpButton, 0, border=0, flag=wx.ALIGN_LEFT)
ieccdownbutton_id = wx.NewId()
self.IECCDownButton = wx.lib.buttons.GenBitmapButton(
id=ieccdownbutton_id, bitmap=wx.Bitmap(opjimg('IECCUp')),
name='IECDownButton', parent=self.ParamsEditor, pos=wx.Point(0, 0),
size=wx.Size(16, 16), style=wx.NO_BORDER)
self.IECCDownButton.Bind(wx.EVT_BUTTON, self.GetItemChannelChangedFunction(-1),
id=ieccdownbutton_id)
updownsizer.AddWindow(self.IECCDownButton, 0, border=0, flag=wx.ALIGN_LEFT)
confnodename_id = wx.NewId()
self.ConfNodeName = wx.TextCtrl(
self.ParamsEditor, confnodename_id,
size=wx.Size(150, 25), style=wx.NO_BORDER)
self.ConfNodeName.SetFont(
wx.Font(faces["size"] * 0.75, wx.DEFAULT, wx.NORMAL,
wx.BOLD, faceName = faces["helv"]))
self.ConfNodeName.Bind(wx.EVT_TEXT,
self.GetTextCtrlCallBackFunction(self.ConfNodeName, "BaseParams.Name", True),
id=confnodename_id)
baseparamseditor_sizer.AddWindow(self.ConfNodeName, 0, border=5, flag=wx.LEFT|wx.RIGHT|wx.ALIGN_CENTER_VERTICAL)
buttons_sizer = self.GenerateMethodButtonSizer()
baseparamseditor_sizer.AddSizer(buttons_sizer, 0, border=0, flag=wx.ALIGN_CENTER)
self.ConfNodeParamsSizer = wx.BoxSizer(wx.VERTICAL)
self.ParamsEditorSizer.AddSizer(self.ConfNodeParamsSizer, 0, border=5,
flag=wx.LEFT|wx.RIGHT|wx.BOTTOM)
self._init_ConfNodeEditor(self.Editor)
if self.ConfNodeEditor is not None:
min_size = self.ParamsEditorSizer.GetMinSize()
self.Editor.SplitHorizontally(self.ParamsEditor,
self.ConfNodeEditor,
min(min_size.height, 200))
else:
self.Editor.Initialize(self.ParamsEditor)
def __init__(self, parent, controler, window, tagname=""):
EditorPanel.__init__(self, parent, tagname, window, controler)
icon_path = self.Controler.GetIconPath()
if icon_path is None:
icon_path = opjimg("Extension")
self.SetIcon(wx.Bitmap(icon_path, wx.BITMAP_TYPE_PNG))
def __del__(self):
self.Controler.OnCloseEditor(self)
def GetTagName(self):
return self.Controler.CTNFullName()
def GetTitle(self):
fullname = self.Controler.CTNFullName()
if self.Controler.CTNTestModified():
return "~%s~" % fullname
return fullname
def HasNoModel(self):
return False
def GetBufferState(self):
return False, False
def Undo(self):
pass
def Redo(self):
pass
def RefreshView(self):
EditorPanel.RefreshView(self)
self.ConfNodeName.ChangeValue(self.Controler.MandatoryParams[1].getName())
self.RefreshIECChannelControlsState()
self.RefreshConfNodeParamsSizer()
def EnableScrolling(self, enable):
self.ScrollingEnabled = enable
def RefreshIECChannelControlsState(self):
self.FullIECChannel.SetLabel(self.Controler.GetFullIEC_Channel())
self.IECCDownButton.Enable(self.Controler.BaseParams.getIEC_Channel() > 0)
def RefreshConfNodeParamsSizer(self):
self.Freeze()
self.ConfNodeParamsSizer.Clear(True)
confnode_infos = self.Controler.GetParamsAttributes()
if len(confnode_infos) > 0:
self.GenerateSizerElements(self.ConfNodeParamsSizer, confnode_infos, None, False)
self.ParamsEditorSizer.Layout()
self.Thaw()
def GenerateMethodButtonSizer(self):
normal_bt_font=wx.Font(faces["size"] / 3, wx.DEFAULT, wx.NORMAL, wx.NORMAL, faceName = faces["helv"])
mouseover_bt_font=wx.Font(faces["size"] / 3, wx.DEFAULT, wx.NORMAL, wx.NORMAL, underline=True, faceName = faces["helv"])
msizer = wx.BoxSizer(wx.HORIZONTAL)
for confnode_method in self.Controler.ConfNodeMethods:
if "method" in confnode_method and confnode_method.get("shown",True):
id = wx.NewId()
label = confnode_method["name"]
button = GenBitmapTextButton(id=id, parent=self.ParamsEditor,
bitmap=wx.Bitmap(Bpath("images", "%s.png"%confnode_method.get("bitmap", "Unknown"))), label=label,
name=label, pos=wx.DefaultPosition, style=wx.NO_BORDER)
button.SetFont(normal_bt_font)
button.SetToolTipString(confnode_method["tooltip"])
button.Bind(wx.EVT_BUTTON, self.GetButtonCallBackFunction(confnode_method["method"]), id=id)
# a fancy underline on mouseover
def setFontStyle(b, s):
def fn(event):
b.SetFont(s)
b.Refresh()
event.Skip()
return fn
button.Bind(wx.EVT_ENTER_WINDOW, setFontStyle(button, mouseover_bt_font))
button.Bind(wx.EVT_LEAVE_WINDOW, setFontStyle(button, normal_bt_font))
#hack to force size to mini
if not confnode_method.get("enabled",True):
button.Disable()
msizer.AddWindow(button, 0, border=0, flag=wx.ALIGN_CENTER)
return msizer
def GenerateSizerElements(self, sizer, elements, path, clean = True):
if clean:
sizer.Clear(True)
first = True
for element_infos in elements:
if path:
element_path = "%s.%s"%(path, element_infos["name"])
else:
element_path = element_infos["name"]
if element_infos["type"] == "element":
label = element_infos["name"]
staticbox = wx.StaticBox(id=-1, label=_(label),
name='%s_staticbox'%element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(10, 0), style=0)
staticboxsizer = wx.StaticBoxSizer(staticbox, wx.VERTICAL)
if first:
sizer.AddSizer(staticboxsizer, 0, border=5, flag=wx.GROW|wx.TOP|wx.BOTTOM)
else:
sizer.AddSizer(staticboxsizer, 0, border=5, flag=wx.GROW|wx.BOTTOM)
self.GenerateSizerElements(staticboxsizer, element_infos["children"], element_path)
else:
boxsizer = wx.FlexGridSizer(cols=3, rows=1)
boxsizer.AddGrowableCol(1)
if first:
sizer.AddSizer(boxsizer, 0, border=5, flag=wx.GROW|wx.ALL)
else:
sizer.AddSizer(boxsizer, 0, border=5, flag=wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM)
staticbitmap = GenStaticBitmap(ID=-1, bitmapname="%s.png"%element_infos["name"],
name="%s_bitmap"%element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(24, 24), style=0)
boxsizer.AddWindow(staticbitmap, 0, border=5, flag=wx.RIGHT)
label = element_infos["name"]
statictext = wx.StaticText(id=-1, label="%s:"%_(label),
name="%s_label"%element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.DefaultSize, style=0)
boxsizer.AddWindow(statictext, 0, border=5, flag=wx.ALIGN_CENTER_VERTICAL|wx.RIGHT)
id = wx.NewId()
if isinstance(element_infos["type"], types.ListType):
if isinstance(element_infos["value"], types.TupleType):
browse_boxsizer = wx.BoxSizer(wx.HORIZONTAL)
boxsizer.AddSizer(browse_boxsizer, 0, border=0, flag=0)
textctrl = wx.TextCtrl(id=id, name=element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(275, 25), style=wx.TE_READONLY)
if element_infos["value"] is not None:
textctrl.SetValue(element_infos["value"][0])
value_infos = element_infos["value"][1]
else:
value_infos = None
browse_boxsizer.AddWindow(textctrl, 0, border=0, flag=0)
button_id = wx.NewId()
button = wx.Button(id=button_id, name="browse_%s" % element_infos["name"], parent=self.ParamsEditor,
label="...", pos=wx.Point(0, 0), size=wx.Size(25, 25))
browse_boxsizer.AddWindow(button, 0, border=0, flag=0)
button.Bind(wx.EVT_BUTTON,
self.GetBrowseCallBackFunction(element_infos["name"], textctrl, element_infos["type"],
value_infos, element_path),
id=button_id)
else:
combobox = wx.ComboBox(id=id, name=element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(300, 28), style=wx.CB_READONLY)
boxsizer.AddWindow(combobox, 0, border=0, flag=0)
if element_infos["use"] == "optional":
combobox.Append("")
if len(element_infos["type"]) > 0 and isinstance(element_infos["type"][0], types.TupleType):
for choice, xsdclass in element_infos["type"]:
combobox.Append(choice)
name = element_infos["name"]
value = element_infos["value"]
staticbox = wx.StaticBox(id=-1, label="%s - %s"%(_(name), _(value)),
name='%s_staticbox'%element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(10, 0), style=0)
staticboxsizer = wx.StaticBoxSizer(staticbox, wx.VERTICAL)
sizer.AddSizer(staticboxsizer, 0, border=5, flag=wx.GROW|wx.BOTTOM)
self.GenerateSizerElements(staticboxsizer, element_infos["children"], element_path)
callback = self.GetChoiceContentCallBackFunction(combobox, staticboxsizer, element_path)
else:
for choice in element_infos["type"]:
combobox.Append(choice)
callback = self.GetChoiceCallBackFunction(combobox, element_path)
if element_infos["value"] is None:
combobox.SetStringSelection("")
else:
combobox.SetStringSelection(element_infos["value"])
combobox.Bind(wx.EVT_COMBOBOX, callback, id=id)
elif isinstance(element_infos["type"], types.DictType):
scmin = -(2**31)
scmax = 2**31-1
if "min" in element_infos["type"]:
scmin = element_infos["type"]["min"]
if "max" in element_infos["type"]:
scmax = element_infos["type"]["max"]
spinctrl = wx.SpinCtrl(id=id, name=element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(300, 25), style=wx.SP_ARROW_KEYS|wx.ALIGN_RIGHT)
spinctrl.SetRange(scmin,scmax)
boxsizer.AddWindow(spinctrl, 0, border=0, flag=0)
if element_infos["value"] is not None:
spinctrl.SetValue(element_infos["value"])
spinctrl.Bind(wx.EVT_SPINCTRL, self.GetTextCtrlCallBackFunction(spinctrl, element_path), id=id)
else:
if element_infos["type"] == "boolean":
checkbox = wx.CheckBox(id=id, name=element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(17, 25), style=0)
boxsizer.AddWindow(checkbox, 0, border=0, flag=0)
if element_infos["value"] is not None:
checkbox.SetValue(element_infos["value"])
checkbox.Bind(wx.EVT_CHECKBOX, self.GetCheckBoxCallBackFunction(checkbox, element_path), id=id)
elif element_infos["type"] in ["unsignedLong", "long","integer"]:
if element_infos["type"].startswith("unsigned"):
scmin = 0
else:
scmin = -(2**31)
scmax = 2**31-1
spinctrl = wx.SpinCtrl(id=id, name=element_infos["name"], parent=self.ParamsEditor,
pos=wx.Point(0, 0), size=wx.Size(300, 25), style=wx.SP_ARROW_KEYS|wx.ALIGN_RIGHT)
spinctrl.SetRange(scmin, scmax)
boxsizer.AddWindow(spinctrl, 0, border=0, flag=0)
if element_infos["value"] is not None:
spinctrl.SetValue(element_infos["value"])
spinctrl.Bind(wx.EVT_SPINCTRL, self.GetTextCtrlCallBackFunction(spinctrl, element_path), id=id)
else:
choices = self.ParentWindow.GetConfigEntry(element_path, [""])
textctrl = TextCtrlAutoComplete(id=id,
name=element_infos["name"],
parent=self.ParamsEditor,
appframe=self,
choices=choices,
element_path=element_path,
pos=wx.Point(0, 0),
size=wx.Size(300, 25),
style=0)
boxsizer.AddWindow(textctrl, 0, border=0, flag=0)
if element_infos["value"] is not None:
textctrl.ChangeValue(str(element_infos["value"]))
textctrl.Bind(wx.EVT_TEXT, self.GetTextCtrlCallBackFunction(textctrl, element_path))
first = False
def GetItemChannelChangedFunction(self, dir):
def OnConfNodeTreeItemChannelChanged(event):
confnode_IECChannel = self.Controler.BaseParams.getIEC_Channel()
res = self.SetConfNodeParamsAttribute("BaseParams.IEC_Channel", confnode_IECChannel + dir)
wx.CallAfter(self.RefreshIECChannelControlsState)
wx.CallAfter(self.ParentWindow._Refresh, TITLE, FILEMENU, PROJECTTREE)
wx.CallAfter(self.ParentWindow.SelectProjectTreeItem, self.GetTagName())
event.Skip()
return OnConfNodeTreeItemChannelChanged
def SetConfNodeParamsAttribute(self, *args, **kwargs):
res, StructChanged = self.Controler.SetParamsAttribute(*args, **kwargs)
if StructChanged:
wx.CallAfter(self.RefreshConfNodeParamsSizer)
wx.CallAfter(self.ParentWindow._Refresh, TITLE, FILEMENU)
return res
def GetButtonCallBackFunction(self, method):
""" Generate the callbackfunc for a given confnode method"""
def OnButtonClick(event):
# Disable button to prevent re-entrant call
event.GetEventObject().Disable()
# Call
getattr(self.Controler,method)()
# Re-enable button
event.GetEventObject().Enable()
event.Skip()
return OnButtonClick
def GetChoiceCallBackFunction(self, choicectrl, path):
def OnChoiceChanged(event):
res = self.SetConfNodeParamsAttribute(path, choicectrl.GetStringSelection())
choicectrl.SetStringSelection(res)
event.Skip()
return OnChoiceChanged
def GetChoiceContentCallBackFunction(self, choicectrl, staticboxsizer, path):
def OnChoiceContentChanged(event):
res = self.SetConfNodeParamsAttribute(path, choicectrl.GetStringSelection())
wx.CallAfter(self.RefreshConfNodeParamsSizer)
event.Skip()
return OnChoiceContentChanged
def GetTextCtrlCallBackFunction(self, textctrl, path, refresh=False):
def OnTextCtrlChanged(event):
res = self.SetConfNodeParamsAttribute(path, textctrl.GetValue())
if res != textctrl.GetValue():
textctrl.ChangeValue(res)
if refresh:
wx.CallAfter(self.ParentWindow._Refresh, TITLE, FILEMENU, PROJECTTREE, PAGETITLES)
wx.CallAfter(self.ParentWindow.SelectProjectTreeItem, self.GetTagName())
event.Skip()
return OnTextCtrlChanged
def GetCheckBoxCallBackFunction(self, chkbx, path):
def OnCheckBoxChanged(event):
res = self.SetConfNodeParamsAttribute(path, chkbx.IsChecked())
chkbx.SetValue(res)
event.Skip()
return OnCheckBoxChanged
def GetBrowseCallBackFunction(self, name, textctrl, library, value_infos, path):
infos = [value_infos]
def OnBrowseButton(event):
dialog = BrowseValuesLibraryDialog(self, name, library, infos[0])
if dialog.ShowModal() == wx.ID_OK:
value, value_infos = self.SetConfNodeParamsAttribute(path, dialog.GetValueInfos())
textctrl.ChangeValue(value)
infos[0] = value_infos
dialog.Destroy()
event.Skip()
return OnBrowseButton
def OnWindowResize(self, event):
self.ParamsEditor.GetBestSize()
xstart, ystart = self.ParamsEditor.GetViewStart()
window_size = self.ParamsEditor.GetClientSize()
maxx, maxy = self.ParamsEditorSizer.GetMinSize()
posx = max(0, min(xstart, (maxx - window_size[0]) / SCROLLBAR_UNIT))
posy = max(0, min(ystart, (maxy - window_size[1]) / SCROLLBAR_UNIT))
self.ParamsEditor.Scroll(posx, posy)
self.ParamsEditor.SetScrollbars(SCROLLBAR_UNIT, SCROLLBAR_UNIT,
maxx / SCROLLBAR_UNIT, maxy / SCROLLBAR_UNIT, posx, posy)
event.Skip()
def OnMouseWheel(self, event):
if self.ScrollingEnabled:
event.Skip()