class PlotWindow(Window):
"""Subclass of Window that displays an interactive GLFigure"""
double_click_time = datetime.timedelta(seconds=0.3)
cursor_names = {None:Window.CURSOR_DEFAULT,
'pan':Window.CURSOR_HAND,
'zoom':Window.CURSOR_CROSSHAIR}
def __init__(self, *args, **kwargs):
# Initialise self
kwargs['resizable'] = kwargs.get('resizable', True)
interactive = kwargs.pop('interactive', False)
super(PlotWindow, self).__init__(*args, **kwargs)
self._init = False
self.last_press = datetime.datetime.now()
# Create figure object
width, height = self.get_size()
self.figure = GLFigure()
self.figure.set_rect([0, 0, width, height])
# Create cursors used for interactivity
self._cursors = {}
for k, v in self.cursor_names.iteritems():
self._cursors[k] = self.get_system_mouse_cursor(v)
# Create interactivity data
self.set_interactive(interactive)
def run(self):
pyglet.app.run()
def on_draw(self):
if not self._init:
self.figure._initgl()
self._init = True
self.figure._draw()
def on_resize(self, width, height):
self.figure._resize(width, height)
def set_interactive(self, interactive):
self._interactive = InteractiveState(interactive, self)
def _set_cursor(self, mode):
self.set_mouse_cursor(self._cursors[mode])
# Manually detect double-clicks
def on_mouse_press(self, x, y, button, modifiers):
self.on_mouse_down(x, y, button, modifiers)
penultimate_press = self.last_press
self.last_press = datetime.datetime.now()
delta = self.last_press - penultimate_press
if button == mouse.LEFT and delta < self.double_click_time:
self.on_double_click(x, y, button, modifiers)
def _point(self, x, y):
width, height = self.get_size()
return float(x) / float(width), float(y) / float(height)
def on_mouse_down(self, x, y, button, modifiers):
if button == mouse.LEFT:
self._interactive.on_left_down(self._point(x, y))
def on_mouse_release(self, x, y, button, modifiers):
if button == mouse.LEFT:
self._interactive.on_left_up(self._point(x, y))
def on_double_click(self, x, y, button, modifiers):
if button == mouse.LEFT:
self._interactive.on_left_double_click(self._point(x, y))
def on_mouse_drag(self, x, y, dx, dy, buttons, modifiers):
if buttons & mouse.LEFT:
self._interactive.on_mouse_drag(self._point(x, y))
def on_mouse_motion(self, x, y, dx, dy):
self._interactive.on_mouse_move(self._point(x, y))
def set_interactive(self, interactive):
self._interactive = InteractiveState(interactive, self)
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))
