class _FigurePanelWx(wx.Panel):
"""Specialise InteractiveState for wx gui toolkit"""
def __init__(self, *args, **kwargs):
interactive = kwargs.pop('interactive', False)
super(_FigurePanelWx, self).__init__(*args, **kwargs)
# Create figure and canvas
self.figure = self.FigureCls()
self.canvas = self.CanvasCls(self, wx.ID_ANY, self.figure)
# Standard sizing
self.Bind(wx.EVT_SIZE, self.OnSize)
# Cursors used by InteractiveState
self._cursors = {None: wx.StockCursor(wx.CURSOR_DEFAULT),
'pan':wx.StockCursor(wx.CURSOR_HAND),
'zoom':wx.StockCursor(wx.CURSOR_CROSS)}
# These will call through to self.interactive
self._left_down = False
self.canvas.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDoubleClick)
self.canvas.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
self.canvas.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
self.canvas.Bind(wx.EVT_MOTION, self.OnMotion)
self.canvas.Bind(wx.EVT_RIGHT_DOWN, self.OnRightDown)
#Prepare interactivity
self.set_interactive(interactive)
def OnSize(self, event):
self.canvas.SetSize(self.GetSize())
def set_interactive(self, interactive):
self._interactive = InteractiveState(interactive, self)
def _set_cursor(self, mode):
self.canvas.SetCursor(self._cursors[mode])
def _point(self, event):
x, y = event.GetPosition()
w, h = self.canvas.GetSize()
return float(x) / float(w), float(h - y) / float(h)
def OnLeftDown(self, event):
self._left_down = True
self._interactive.on_left_down(self._point(event))
def OnLeftUp(self, event):
self._left_down = False
self._interactive.on_left_up(self._point(event))
def OnLeftDoubleClick(self, event):
self._interactive.on_left_double_click(self._point(event))
def OnRightDown(self, event):
self._interactive.on_right_down(self._point(event))
def OnMotion(self, event):
if self._left_down and not wx.GetMouseState().LeftDown():
self.OnLeftUp(event)
elif self._left_down:
self._interactive.on_mouse_drag(self._point(event))
else:
self._interactive.on_mouse_move(self._point(event))
