From 34ac54244271a679a72da82b1a5ff62be1d3c58f Mon Sep 17 00:00:00 2001
From: Maximilian Albert <maximilian.albert@gmail.com>
Date: Mon, 16 Jun 2008 16:17:27 +0000
Subject: Activate automatic knotholders for LPE PointParams

(bzr r5963)
---
 src/live_effects/effect.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/live_effects/effect.cpp')

diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
index 164447387..7e56023a6 100644
--- a/src/live_effects/effect.cpp
+++ b/src/live_effects/effect.cpp
@@ -569,6 +569,23 @@ Effect::transform_multiply(Geom::Matrix const& postmul, bool set)
     }
 }
 
+bool
+Effect::providesKnotholder()
+{
+    // does the effect actively provide any knotholder entities of its own?
+    if (kh_entity_vector.size() > 0)
+        return true;
+
+    // otherwise: are there any PointParams?
+    for (std::vector<Parameter *>::iterator p = param_vector.begin(); p != param_vector.end(); ++p) {
+        if ((*p)->paramType() == Inkscape::LivePathEffect::POINT_PARAM) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 } /* namespace LivePathEffect */
 
 } /* namespace Inkscape */
-- 
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