Makes selection complexity linear in the number of selected objects instead of quadratic due to too many signals sent

Fixed bugs:
  - https://launchpad.net/bugs/1666714

(bzr r15556)

2 files changed, 9 insertions, 5 deletions

diff --git a/src/object-set.cpp b/src/object-set.cpp
index 65e7d45d6..8fcb4215e 100644
--- a/src/object-set.cpp
+++ b/src/object-set.cpp
@@ -20,7 +20,7 @@
 
 namespace Inkscape {
 
-bool ObjectSet::add(SPObject* object) {
+bool ObjectSet::add(SPObject* object, bool nosignal) {
     g_return_val_if_fail(object != NULL, false);
     g_return_val_if_fail(SP_IS_OBJECT(object), false);
 
@@ -37,7 +37,8 @@ bool ObjectSet::add(SPObject* object) {
     _removeDescendantsFromSet(object);
 
     _add(object);
-    _emitSignals();
+    if (!nosignal)
+        _emitSignals();
     return true;
 }
 
@@ -246,9 +247,10 @@ void ObjectSet::setReprList(std::vector<XML::Node*> const &list) {
     for (auto iter = list.rbegin(); iter != list.rend(); ++iter) {
         SPObject *obj = document()->getObjectById((*iter)->attribute("id"));
         if (obj) {
-            add(obj);
+            add(obj, true);
         }
     }
+    _emitSignals();
     if(dynamic_cast<Inkscape::Selection*>(this))
         return dynamic_cast<Inkscape::Selection*>(this)->_emitChanged();//
 }
diff --git a/src/object-set.h b/src/object-set.h
index 7c224f640..02259824c 100644
--- a/src/object-set.h
+++ b/src/object-set.h
@@ -143,8 +143,9 @@ public:
      * Add an SPObject to the set of selected objects.
      *
      * @param obj the SPObject to add
+     * @param nosignal true if no signals should be sent
      */
-    bool add(SPObject* object);
+    bool add(SPObject* object, bool nosignal = false);
 
     /**
      * Add an XML node's SPObject to the set of selected objects.
@@ -300,9 +301,10 @@ public:
     addList(const std::vector<T*> &objs) {
         for (auto obj: objs) {
             if (!includes(obj)) {
-                add(obj);
+                add(obj, true);
             }
         }
+        _emitSignals();
     }
 
     /** Returns the bounding rectangle of the selection. */