add templates menu for OSL, use preprocessor directive color for decorators in python.

release/scripts/templates_py/operator_modal_view3d.py

@@ -0,0 +1,70 @@
+import bpy
+from mathutils import Vector
+from bpy.props import FloatVectorProperty
+
+
+class ViewOperator(bpy.types.Operator):
+    """Translate the view using mouse events"""
+    bl_idname = "view3d.modal_operator"
+    bl_label = "Simple View Operator"
+
+    offset = FloatVectorProperty(
+            name="Offset",
+            size=3,
+            )
+
+    def execute(self, context):
+        v3d = context.space_data
+        rv3d = v3d.region_3d
+
+        rv3d.view_location = self._initial_location + Vector(self.offset)
+
+    def modal(self, context, event):
+        v3d = context.space_data
+        rv3d = v3d.region_3d
+
+        if event.type == 'MOUSEMOVE':
+            self.offset = (self._initial_mouse - Vector((event.mouse_x, event.mouse_y, 0.0))) * 0.02
+            self.execute(context)
+            context.area.header_text_set("Offset %.4f %.4f %.4f" % tuple(self.offset))
+
+        elif event.type == 'LEFTMOUSE':
+            context.area.header_text_set()
+            return {'FINISHED'}
+
+        elif event.type in {'RIGHTMOUSE', 'ESC'}:
+            rv3d.view_location = self._initial_location
+            context.area.header_text_set()
+            return {'CANCELLED'}
+
+        return {'RUNNING_MODAL'}
+
+    def invoke(self, context, event):
+
+        if context.space_data.type == 'VIEW_3D':
+            v3d = context.space_data
+            rv3d = v3d.region_3d
+
+            if rv3d.view_perspective == 'CAMERA':
+                rv3d.view_perspective = 'PERSP'
+
+            self._initial_mouse = Vector((event.mouse_x, event.mouse_y, 0.0))
+            self._initial_location = rv3d.view_location.copy()
+
+            context.window_manager.modal_handler_add(self)
+            return {'RUNNING_MODAL'}
+        else:
+            self.report({'WARNING'}, "Active space must be a View3d")
+            return {'CANCELLED'}
+
+
+def register():
+    bpy.utils.register_class(ViewOperator)
+
+
+def unregister():
+    bpy.utils.unregister_class(ViewOperator)
+
+
+if __name__ == "__main__":
+    register()