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#!/usr/bin/env python
import wx
## import the installed version
from wx.lib.floatcanvas import NavCanvas, FloatCanvas
## import a local version
#import sys
#sys.path.append("../")
#from floatcanvas import NavCanvas, FloatCanvas
class DrawFrame(wx.Frame):
"""
A frame used for the FloatCanvas Demo
"""
def __init__(self, *args, **kwargs):
wx.Frame.__init__(self, *args, **kwargs)
self.CreateStatusBar()
# Add the Canvas
Canvas = NavCanvas.NavCanvas(self,-1,
size = (500,500),
ProjectionFun = None,
Debug = 0,
BackgroundColor = "DARK SLATE BLUE",
).Canvas
self.Canvas = Canvas
self.Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove)
Pts = ((45,40), (20, 15), (10, 40), (30,30))
Points = Canvas.AddPointSet(Pts, Diameter=3, Color="Red")
Points.HitLineWidth = 10
Points.Bind(FloatCanvas.EVT_FC_ENTER_OBJECT, self.OnOverPoints)
Points.Bind(FloatCanvas.EVT_FC_LEAVE_OBJECT, self.OnLeavePoints)
Points.Bind(FloatCanvas.EVT_FC_LEFT_DOWN, self.OnLeftDown)
self.Show()
Canvas.ZoomToBB()
def OnOverPoints(self, obj):
print("Mouse over point: %s" % obj.FindClosestPoint(obj.HitCoords))
def OnLeavePoints(self, obj):
print("Mouse left point: %s" % obj.FindClosestPoint(obj.HitCoords))
def OnLeftDown(self, obj):
print("Mouse left down on point: %s" % obj.FindClosestPoint(obj.HitCoords))
def OnMove(self, event):
"""
Updates the status bar with the world coordinates
"""
self.SetStatusText("%.2f, %.2f" % tuple(event.Coords))
app = wx.App(False)
F = DrawFrame(None, title="FloatCanvas Demo App", size=(700,700) )
app.MainLoop()
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