Add the FloatCanvas demo modules

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@73860 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/floatcanvas/DrawRect.py

@@ -0,0 +1,117 @@
+#!/usr/bin/env python
+
+"""
+A simple demo that shows how to use FloatCanvas to draw rectangles on the screen
+
+Note: this is now broken -- the events are not getting to the Rubber Band Box object.
+      It should be re-factored to use GUIMode
+"""
+
+
+import wx
+
+## import a local version
+#import sys
+#sys.path.append("..")
+#from floatcanvas import NavCanvas, FloatCanvas, Resources, Utilities, GUIMode
+#from floatcanvas.Utilities import GUI
+
+## import the installed version
+from wx.lib.floatcanvas import NavCanvas, FloatCanvas
+from wx.lib.floatcanvas.Utilities import GUI
+
+import numpy as N
+
+class DrawFrame(wx.Frame):
+
+    """
+    A frame used for the FloatCanvas Demo
+
+    """
+
+    def __init__(self,parent, id,title,position,size):
+        wx.Frame.__init__(self,parent, id,title,position, size)
+
+        self.CreateStatusBar()            
+        # Add the Canvas
+        NC = NavCanvas.NavCanvas(self,
+                                 size= (500,500),
+                                 ProjectionFun = None,
+                                 Debug = 0,
+                                 BackgroundColor = "DARK SLATE BLUE",
+                                 )
+        
+        self.Canvas = NC.Canvas
+
+        FloatCanvas.EVT_MOTION(self.Canvas, self.OnMove ) 
+
+        # Add some buttons to the Toolbar
+        tb = NC.ToolBar
+        tb.AddSeparator()
+
+        ClearButton = wx.Button(tb, wx.ID_ANY, "Clear")
+        tb.AddControl(ClearButton)
+        ClearButton.Bind(wx.EVT_BUTTON, self.Clear)
+
+        DrawButton = wx.Button(tb, wx.ID_ANY, "StopDrawing")
+        tb.AddControl(DrawButton)
+        DrawButton.Bind(wx.EVT_BUTTON, self.SetDraw)
+        self.DrawButton = DrawButton
+
+        tb.Realize()
+
+        # Initialize a few values
+        self.Rects = []
+
+        self.RBBoxMode = GUI.RubberBandBox(self.NewRect)
+        self.Canvas.SetMode(self.RBBoxMode)
+                
+        self.Canvas.ZoomToBB()
+
+        self.Show(True)
+        return None
+
+    def Clear(self, event=None):
+        self.Rects = []
+        self.Canvas.ClearAll()
+        self.Canvas.Draw()
+
+    def SetDraw(self, event=None):
+        label = self.DrawButton.GetLabel()
+        if label == "Draw":
+            self.DrawButton.SetLabel("StopDrawing")
+            self.Canvas.SetMode(self.RBBoxMode)
+        elif label == "StopDrawing":
+            self.DrawButton.SetLabel("Draw")
+            self.Canvas.SetMode(GUIMode.GUIMouse())
+        else: # huh?
+            pass
+
+    def NewRect(self, rect):
+        self.Rects.append(self.Canvas.AddRectangle(*rect, LineWidth=4))
+        self.Canvas.Draw(True)
+
+    def OnMove(self, event):
+        """
+        Updates the status bar with the world coordinates
+
+        """
+        self.SetStatusText("%.4f, %.4f"%tuple(event.Coords))
+        event.Skip()
+
+app = wx.PySimpleApp()
+DrawFrame(None, -1, "FloatCanvas Rectangle Drawer", wx.DefaultPosition, (700,700) )
+app.MainLoop()
+    
+    
+    
+    
+
+
+
+
+
+
+
+
+