def __init__(self, parent, id=-1, size=wx.wxDefaultSize): # parent 1 ctor wx.wxScrolledWindow.__init__(self, parent, id, wx.wxPoint(0, 0), size, wx.wxSUNKEN_BORDER) # parent 2 ctor canvasSubject.__init__(self) self._cobjects = [] self._previousRealCoords = None self._mouseDelta = (0, 0) self._potentiallyDraggedObject = None self._draggedObject = None self._observers = {'drag': [], 'buttonDown': [], 'buttonUp': []} self.SetBackgroundColour("WHITE") wx.EVT_MOUSE_EVENTS(self, self.OnMouseEvent) wx.EVT_PAINT(self, self.OnPaint) self.virtualWidth = 2048 self.virtualHeight = 2048 self._buffer = None self._buffer = wx.wxEmptyBitmap(self.virtualWidth, self.virtualHeight) # we're only going to draw into the buffer, so no real client DC dc = wx.wxBufferedDC(None, self._buffer) dc.SetBackground(wx.wxBrush(self.GetBackgroundColour())) dc.Clear() self.doDrawing(dc) self.SetVirtualSize((self.virtualWidth, self.virtualHeight)) self.SetScrollRate(20, 20)
def __init__(self, position): # call parent ctor canvasSubject.__init__(self) self._position = position self._canvas = None self._observers = {'enter' : [], 'exit' : [], 'drag' : [], 'buttonDown' : [], 'buttonUp' : [], 'buttonDClick' : [], 'motion' : []}
def __init__(self, position): # call parent ctor canvasSubject.__init__(self) self._position = position self._canvas = None self._observers = { 'enter': [], 'exit': [], 'drag': [], 'buttonDown': [], 'buttonUp': [], 'buttonDClick': [], 'motion': [] }
def __init__(self, parent, id = -1, size = wx.wxDefaultSize): # parent 1 ctor wx.wxScrolledWindow.__init__(self, parent, id, wx.wxPoint(0, 0), size, wx.wxSUNKEN_BORDER) # parent 2 ctor canvasSubject.__init__(self) self._cobjects = [] self._previousRealCoords = None self._mouseDelta = (0,0) self._potentiallyDraggedObject = None self._draggedObject = None self._observers = {'drag' : [], 'buttonDown' : [], 'buttonUp' : []} self.SetBackgroundColour("WHITE") wx.EVT_MOUSE_EVENTS(self, self.OnMouseEvent) wx.EVT_PAINT(self, self.OnPaint) self.virtualWidth = 2048 self.virtualHeight = 2048 self._buffer = None self._buffer = wx.wxEmptyBitmap(self.virtualWidth, self.virtualHeight) # we're only going to draw into the buffer, so no real client DC dc = wx.wxBufferedDC(None, self._buffer) dc.SetBackground(wx.wxBrush(self.GetBackgroundColour())) dc.Clear() self.doDrawing(dc) self.SetVirtualSize((self.virtualWidth, self.virtualHeight)) self.SetScrollRate(20,20)