Make normals and workplanes non-stylable.

This does not seem to have any useful application, and it can
result in odd misrenderings with some styles.

src/draw.cpp

@@ -19,15 +19,6 @@ bool GraphicsWindow::Selection::IsEmpty(void) {
     return true;
 }
 
-bool GraphicsWindow::Selection::IsStylable(void) {
-    if(entity.v) return true;
-    if(constraint.v) {
-        Constraint *c = SK.GetConstraint(constraint);
-        if(c->type == Constraint::COMMENT) return true;
-    }
-    return false;
-}
-
 bool GraphicsWindow::Selection::HasEndpoints(void) {
     if(!entity.v) return false;
     Entity *e = SK.GetEntity(entity);
@@ -257,12 +248,14 @@ void GraphicsWindow::GroupSelection(void) {
             (gs.n)++;
 
             Entity *e = SK.entity.FindById(s->entity);
+
+            if(e->IsStylable()) gs.stylables++;
+
             // A list of points, and a list of all entities that aren't points.
             if(e->IsPoint()) {
                 gs.point[(gs.points)++] = s->entity;
             } else {
                 gs.entity[(gs.entities)++] = s->entity;
-                (gs.stylables)++;
             }
 
             // And an auxiliary list of normals, including normals from
@@ -305,10 +298,8 @@ void GraphicsWindow::GroupSelection(void) {
         if(s->constraint.v) {
             gs.constraint[(gs.constraints)++] = s->constraint;
             Constraint *c = SK.GetConstraint(s->constraint);
-            if(c->type == Constraint::COMMENT) {
-                (gs.stylables)++;
-                (gs.comments)++;
-            }
+            if(c->IsStylable()) gs.stylables++;
+            if(c->type == Constraint::COMMENT) gs.comments++;
         }
     }
 }

src/drawconstraint.cpp

@@ -1117,3 +1117,8 @@ void Constraint::GetEdges(SEdgeList *sel) {
     dogd.sel = NULL;
 }
 
+bool Constraint::IsStylable() {
+    if(type == COMMENT) return true;
+    return false;
+}
+

src/drawentity.cpp

@@ -205,6 +205,13 @@ Vector Entity::GetReferencePos(void) {
     return dogd.refp;
 }
 
+bool Entity::IsStylable() {
+    if(IsPoint()) return false;
+    if(IsWorkplane()) return false;
+    if(IsNormal()) return false;
+    return true;
+}
+
 bool Entity::IsVisible(void) {
     Group *g = SK.GetGroup(group);
 

src/sketch.h

@@ -494,6 +494,7 @@ public:
     void LineDrawOrGetDistance(Vector a, Vector b, bool maybeFat=false);
     void DrawOrGetDistance(void);
 
+    bool IsStylable();
     bool IsVisible(void);
     bool PointIsFromReferences(void);
 
@@ -676,6 +677,7 @@ public:
     Vector GetReferencePos(void);
     void Draw(void);
     void GetEdges(SEdgeList *sel);
+    bool IsStylable();
 
     void LineDrawOrGetDistance(Vector a, Vector b);
     void DrawOrGetDistance(Vector *labelPos);

src/style.cpp

@@ -148,6 +148,9 @@ void Style::AssignSelectionToStyle(uint32_t v) {
     int i;
     for(i = 0; i < SS.GW.gs.entities; i++) {
         hEntity he = SS.GW.gs.entity[i];
+        Entity *e = SK.GetEntity(he);
+        if(!e->IsStylable()) continue;
+
         if(!he.isFromRequest()) {
             showError = true;
             continue;
@@ -161,7 +164,7 @@ void Style::AssignSelectionToStyle(uint32_t v) {
     for(i = 0; i < SS.GW.gs.constraints; i++) {
         hConstraint hc = SS.GW.gs.constraint[i];
         Constraint *c = SK.GetConstraint(hc);
-        if(c->type != Constraint::COMMENT) continue;
+        if(!c->IsStylable()) continue;
 
         c->disp.style.v = v;
     }

src/ui.h

@@ -618,7 +618,6 @@ public:
         void Clear(void);
         bool IsEmpty(void);
         bool Equals(Selection *b);
-        bool IsStylable(void);
         bool HasEndpoints(void);
     };
     Selection hover;