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 dragObject(self, cobj, delta):
if abs(delta[0]) > 0 or abs(delta[1]) > 0:
# calculate new position
cpos = cobj.getPosition()
npos = (cpos[0] + delta[0], cpos[1] + delta[1])
cobj.setPosition(npos)
# setup DC
dc = self.getDC()
dc.BeginDrawing()
# we're only going to draw a dotted outline
dc.SetBrush(wx.wxBrush('WHITE', wx.wxTRANSPARENT))
dc.SetPen(wx.wxPen('BLACK', 1, wx.wxDOT))
dc.SetLogicalFunction(wx.wxINVERT)
bounds = cobj.getBounds()
# first delete the old rectangle
dc.DrawRectangle(cpos[0], cpos[1], bounds[0], bounds[1])
# then draw the new one
dc.DrawRectangle(npos[0], npos[1], bounds[0], bounds[1])
# thar she goes
dc.EndDrawing()
def doDrawing(self, dc):
"""This function actually draws the complete shebang to the passed
dc.
"""
dc.BeginDrawing()
# clear the whole shebang to background
dc.SetBackground(wx.wxBrush(self.GetBackgroundColour(), wx.wxSOLID))
dc.Clear()
# draw glyphs last (always)
glyphs = []
theRest = []
for i in self._cobjects:
if isinstance(i, coGlyph):
glyphs.append(i)
else:
theRest.append(i)
for cobj in theRest:
cobj.draw(dc)
for cobj in glyphs:
cobj.draw(dc)
# draw all objects
#for cobj in self._cobjects:
# cobj.draw(dc)
dc.EndDrawing()
def dragObject(self, cobj, delta):
if abs(delta[0]) > 0 or abs(delta[1]) > 0:
# calculate new position
cpos = cobj.getPosition()
npos = (cpos[0] + delta[0], cpos[1] + delta[1])
cobj.setPosition(npos)
# setup DC
dc = self.getDC()
dc.BeginDrawing()
# we're only going to draw a dotted outline
dc.SetBrush(wx.wxBrush('WHITE', wx.wxTRANSPARENT))
dc.SetPen(wx.wxPen('BLACK', 1, wx.wxDOT))
dc.SetLogicalFunction(wx.wxINVERT)
bounds = cobj.getBounds()
# first delete the old rectangle
dc.DrawRectangle(cpos[0], cpos[1], bounds[0], bounds[1])
# then draw the new one
dc.DrawRectangle(npos[0], npos[1], bounds[0], bounds[1])
# thar she goes
dc.EndDrawing()
def doDrawing(self, dc):
"""This function actually draws the complete shebang to the passed
dc.
"""
dc.BeginDrawing()
# clear the whole shebang to background
dc.SetBackground(wx.wxBrush(self.GetBackgroundColour(), wx.wxSOLID))
dc.Clear()
# draw glyphs last (always)
glyphs = []
theRest = []
for i in self._cobjects:
if isinstance(i, coGlyph):
glyphs.append(i)
else:
theRest.append(i)
for cobj in theRest:
cobj.draw(dc)
for cobj in glyphs:
cobj.draw(dc)
# draw all objects
#for cobj in self._cobjects:
# cobj.draw(dc)
dc.EndDrawing()
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)
