call the multiprocessing handler with a callback function -> faster GUI

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@950 bbaffbd6-741e-11dd-a85d-61de82d9cad9

src/pycam/PathGenerators/ContourFollow.py

@@ -298,7 +298,7 @@ class ContourFollow:
         args = [(follow_model, self.cutter, self._up_vector, t, z)
                 for t in triangles if not id(t) in self._processed_triangles]
         results_iter = run_in_parallel(_process_one_triangle, args,
-                unordered=True)
+                unordered=True, callback=progress_counter.update)
         for result, ignore_triangle_id_list in results_iter:
             if ignore_triangle_id_list:
                 self._processed_triangles.extend(ignore_triangle_id_list)

src/pycam/PathGenerators/DropCutter.py

@@ -109,7 +109,8 @@ class DropCutter:
             xy_coords = [(pos.x, pos.y) for pos in one_grid_line]
             args.append((xy_coords, minz, maxz, self.model, self.cutter,
                     self.physics))
-        for points in run_in_parallel(_process_one_grid_line, args):
+        for points in run_in_parallel(_process_one_grid_line, args,
+                callback=progress_counter.update):
             self.pa.new_scanline()
             if draw_callback and draw_callback(text="DropCutter: processing " \
                         + "line %d/%d" % (current_line + 1, num_of_lines)):

src/pycam/PathGenerators/PushCutter.py

@@ -140,7 +140,8 @@ class PushCutter:
             p1, p2 = line
             args.append((p1, p2, depth, models, self.cutter, self.physics))
 
-        for points in run_in_parallel(_process_one_line, args):
+        for points in run_in_parallel(_process_one_line, args,
+                callback=progress_counter.update):
             if points:
                 self.pa.new_scanline()
                 for p in points: