built-in style palette

1 files changed, 28 insertions, 4 deletions

diff --git a/src/data/nodestyle.cpp b/src/data/nodestyle.cpp
index 302ab84..b3d72fb 100644
--- a/src/data/nodestyle.cpp
+++ b/src/data/nodestyle.cpp
@@ -26,6 +26,8 @@ QString NodeStyle::name() const
 
 NodeStyle::Shape NodeStyle::shape() const
 {
+    if (_data == 0) return NodeStyle::Circle;
+
     QString sh = _data->property("shape");
     if (sh.isNull()) return NodeStyle::Circle;
     else if (sh == "circle") return NodeStyle::Circle;
@@ -35,6 +37,8 @@ NodeStyle::Shape NodeStyle::shape() const
 
 QColor NodeStyle::fillColor() const
 {
+    if (_data == 0) return Qt::white;
+
     QString col = _data->property("fill");
 
     if (col.isNull()) {
@@ -52,6 +56,8 @@ QColor NodeStyle::fillColor() const
 
 QColor NodeStyle::strokeColor() const
 {
+    if (_data == 0) return Qt::black;
+
     QString col = _data->property("draw");
 
     if (col.isNull()) {
@@ -103,11 +109,29 @@ QIcon NodeStyle::icon() const
     px.fill(Qt::transparent);
     QPainter painter(&px);
     QPainterPath pth = path();
-    painter.setPen(pen());
-    painter.setBrush(brush());
-
     pth.translate(50.0f, 50.0f);
-    painter.drawPath(pth);
+
+    if (_data == 0) {
+        QColor c(180,180,200);
+        painter.setPen(QPen(c));
+        painter.setBrush(QBrush(c));
+        painter.drawEllipse(QPointF(50.0f,50.0f), 3,3);
+
+        QPen pen(QColor(180,180,220));
+        pen.setWidth(3);
+        QVector<qreal> p;
+        p << 2.0 << 2.0;
+        pen.setDashPattern(p);
+        painter.setPen(pen);
+        painter.setBrush(Qt::NoBrush);
+        painter.drawPath(pth);
+    } else {
+        painter.setPen(pen());
+        painter.setBrush(brush());
+        painter.drawPath(pth);
+    }
+
+
     return QIcon(px);
 }