Add option to either suppress path flash for items with LPE (e.g., spiro splines use this) or display it permanently while the item is selected.

(bzr r5860)

4 files changed, 12 insertions, 1 deletions

diff --git a/src/live_effects/effect.h b/src/live_effects/effect.h
index 21d86f80a..f0d0ffdd5 100644
--- a/src/live_effects/effect.h
+++ b/src/live_effects/effect.h
@@ -77,6 +77,12 @@ enum EffectType {
 extern const Util::EnumData<EffectType> LPETypeData[INVALID_LPE];
 extern const Util::EnumDataConverter<EffectType> LPETypeConverter;
 
+enum LPEPathFlashType {
+    SUPPRESS_FLASH,
+    PERMANENT_FLASH,
+    DEFAULT
+};
+
 class Effect {
 public:
     static Effect* New(EffectType lpenr, LivePathEffectObject *lpeobj);
@@ -102,6 +108,7 @@ public:
     virtual void transform_multiply(Geom::Matrix const& postmul, bool set);
 
     bool providesKnotholder() { return (kh_entity_vector.size() > 0); }
+    virtual LPEPathFlashType pathFlashType() { return DEFAULT; }
     void addHandles(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item);
 
     Glib::ustring          getName();
diff --git a/src/live_effects/lpe-spiro.cpp b/src/live_effects/lpe-spiro.cpp
index e4a0af741..bbf952e19 100644
--- a/src/live_effects/lpe-spiro.cpp
+++ b/src/live_effects/lpe-spiro.cpp
@@ -88,7 +88,7 @@ void
 LPESpiro::setup_nodepath(Inkscape::NodePath::Path *np)
 {
     sp_nodepath_show_handles(np, false);
-    sp_nodepath_show_helperpath(np, false);
+//    sp_nodepath_show_helperpath(np, false);
 }
 
 void
diff --git a/src/live_effects/lpe-spiro.h b/src/live_effects/lpe-spiro.h
index 292b07fb8..7256665a2 100644
--- a/src/live_effects/lpe-spiro.h
+++ b/src/live_effects/lpe-spiro.h
@@ -22,6 +22,8 @@ public:
     LPESpiro(LivePathEffectObject *lpeobject);
     virtual ~LPESpiro();
 
+    virtual LPEPathFlashType pathFlashType() { return SUPPRESS_FLASH; }
+
     virtual void setup_nodepath(Inkscape::NodePath::Path *np);
     virtual void doEffect(SPCurve * curve);
 
diff --git a/src/live_effects/lpe-tangent_to_curve.h b/src/live_effects/lpe-tangent_to_curve.h
index 8fe54335c..8d9622c67 100644
--- a/src/live_effects/lpe-tangent_to_curve.h
+++ b/src/live_effects/lpe-tangent_to_curve.h
@@ -38,6 +38,8 @@ public:
     virtual Geom::Piecewise<Geom::D2<Geom::SBasis> >
       doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in);
 
+    virtual LPEPathFlashType pathFlashType() { return PERMANENT_FLASH; }
+
     /* the knotholder entity classes must be declared friends */
     friend class TtC::KnotHolderEntityLeftEnd;
     friend class TtC::KnotHolderEntityRightEnd;