Add printsend callback to printcore and pronterface

This callback is useful to broadcast the last print line sent in the form of
the parsed gcoder.Line object. We can then augment the gcoder.Line to do
awesome stuff, such as updating the print status in the 3D viewer.

printcore.py

@@ -61,6 +61,7 @@ class printcore():
         self.tempcb = None #impl (wholeline)
         self.recvcb = None #impl (wholeline)
         self.sendcb = None #impl (wholeline)
+        self.printsendcb = None #impl (wholeline)
         self.errorcb = None #impl (wholeline)
         self.startcb = None #impl ()
         self.endcb = None #impl ()
@@ -381,7 +382,8 @@ class printcore():
             return
         if self.printing and self.queueindex < len(self.mainqueue.idxs):
             (layer, line) = self.mainqueue.idxs[self.queueindex]
-            tline = self.mainqueue.all_layers[layer].lines[line].raw
+            gline = self.mainqueue.all_layers[layer].lines[line].raw
+            tline = gline.raw
             #check for host command
             if tline.lstrip().startswith(";@"):
                 self.processHostCommand(tline)
@@ -392,6 +394,9 @@ class printcore():
             if len(tline) > 0:
                 self._send(tline, self.lineno, True)
                 self.lineno += 1
+                if self.printsendcb:
+                    try: self.printsendcb(gline)
+                    except: pass
             else:
                 self.clear = True
             self.queueindex += 1

printrun/gcview.py

@@ -464,6 +464,10 @@ class GcodeViewFrame(wx.Frame):
         self.objects = [GCObject(self.platform), GCObject(None)]
         self.glpanel = GcodeViewPanel(self)
 
+    def set_current_gline(self, gline):
+        if gline.is_move and self.model and self.model.loaded:
+            self.model.printed_until = gline.gcview_end_vertex
+
     def addfile(self, gcode = None):
         self.model = actors.GcodeModel()
         if gcode:

printrun/gviz.py

@@ -65,6 +65,9 @@ class window(wx.Frame):
             gcode = gcoder.GCode(f)
             self.p.addfile(gcode)
 
+    def set_current_gline(self, gline):
+        return
+
     def resetview(self, event):
         self.p.translate = [0.0, 0.0]
         self.p.scale = self.p.basescale

pronterface.py

@@ -186,6 +186,7 @@ class PronterWindow(MainWindow, pronsole.pronsole):
         self.skeining = 0
         self.mini = False
         self.p.sendcb = self.sentcb
+        self.p.printsendcb = self.printsentcb
         self.p.startcb = self.startcb
         self.p.endcb = self.endcb
         self.starttime = 0
@@ -271,6 +272,10 @@ class PronterWindow(MainWindow, pronsole.pronsole):
             return
         self.sentlines.put_nowait(line)
 
+    def printsentcb(self, gline):
+        if gline.is_move:
+            wx.CallAfter(self.gwindow.set_current_gline, gline)
+
     def do_extrude(self, l = ""):
         try:
             if not l.__class__ in (str, unicode) or not len(l):