UI: keep some operator text in headers.

Key shortcuts and explanation about how to use the tool should go to the
status bar, but other info can in the header so it's near where the user
is working. This distinction has not been made yet for all operators.

release/scripts/templates_py/manipulator_custom_geometry.py

@@ -96,7 +96,7 @@ class MyCustomShapeWidget(Manipulator):
         return {'RUNNING_MODAL'}
 
     def exit(self, context, cancel):
-        context.workspace.status_text_set()
+        context.area.header_text_set()
         if cancel:
             self.target_set_value("offset", self.init_value)
 
@@ -108,7 +108,7 @@ class MyCustomShapeWidget(Manipulator):
             delta /= 10.0
         value = self.init_value + delta
         self.target_set_value("offset", value)
-        context.workspace.status_text_set("My Manipulator: %.4f" % value)
+        context.area.header_text_set("My Manipulator: %.4f" % value)
         return {'RUNNING_MODAL'}
 
 

release/scripts/templates_py/operator_modal_view3d.py

@@ -26,15 +26,15 @@ class ViewOperator(bpy.types.Operator):
         if event.type == 'MOUSEMOVE':
             self.offset = (self._initial_mouse - Vector((event.mouse_x, event.mouse_y, 0.0))) * 0.02
             self.execute(context)
-            context.workspace.status_text_set("Offset %.4f %.4f %.4f" % tuple(self.offset))
+            context.area.header_text_set("Offset %.4f %.4f %.4f" % tuple(self.offset))
 
         elif event.type == 'LEFTMOUSE':
-            context.workspace.status_text_set()
+            context.area.header_text_set()
             return {'FINISHED'}
 
         elif event.type in {'RIGHTMOUSE', 'ESC'}:
             rv3d.view_location = self._initial_location
-            context.workspace.status_text_set()
+            context.area.header_text_set()
             return {'CANCELLED'}
 
         return {'RUNNING_MODAL'}