Merge branch 'experimental' of github.com:kliment/Printrun into experimental

printrun/gcoder.py

@@ -383,7 +383,7 @@ class GCode(object):
 
                     currenttravel = math.hypot(x - lastx, y - lasty)
                     if f == lastf: # Feedrate hasn't changed, no acceleration/decceleration planned
-                        moveduration = currenttravel / f
+                        moveduration = currenttravel / f if f != 0 else 0.
                     else:
                         # FIXME: review this better
                         # this looks wrong : there's little chance that the feedrate we'll decelerate to is the previous feedrate

printrun/gcview.py

@@ -43,6 +43,7 @@ class wxGLPanel(wx.Panel):
         super(wxGLPanel, self).__init__(parent, id, pos, size, style)
 
         self.GLinitialized = False
+        self.mview_initialized = False
         attribList = (glcanvas.WX_GL_RGBA,  # RGBA
                       glcanvas.WX_GL_DOUBLEBUFFER,  # Double Buffered
                       glcanvas.WX_GL_DEPTH_SIZE, 24)  # 24 bit
@@ -126,7 +127,9 @@ class wxGLPanel(wx.Panel):
         else:
             gluPerspective(60., float(width) / height, 10.0, 3 * self.dist)
 
-        self.reset_mview(0.9)
+        if not self.mview_initialized:
+            self.reset_mview(0.9)
+            self.mview_initialized = True
 
         # Wrap text to the width of the window
         if self.GLinitialized:
@@ -341,9 +344,9 @@ class GcodeViewPanel(wxGLPanel):
             self.handle_rotation(event)
         elif event.Dragging() and event.RightIsDown():
             self.handle_translation(event)
-        elif event.ButtonUp(wx.MOUSE_BTN_LEFT):
+        elif event.LeftUp():
             self.initpos = None
-        elif event.ButtonUp(wx.MOUSE_BTN_RIGHT):
+        elif event.RightUp():
             self.initpos = None
         else:
             event.Skip()