allow multi line text

distribution/ReleaseNotes.txt

@@ -17,6 +17,9 @@ planned as v0.13
 - Comments are allowed in hex files.
 - Added zooming to measurement graphs.
 - Test results can be displayed as measurement graphs.
+- The Text component is able to show multiple lines.
+  CAUTION: If you modify the text in an text component created in the past, you have to
+           reenter the text.
 
 v0.12.1, released on 05. Jun 2016
 - added a fuse to simulate a PROM or PAL.

src/main/java/de/neemann/digital/draw/shapes/TextShape.java

@@ -31,6 +31,10 @@ public class TextShape implements Shape {
      */
     public TextShape(ElementAttributes attr, PinDescriptions inputs, PinDescriptions outputs) {
         String text = attr.get(Keys.DESCRIPTION);
+
+        if (text.length() == 0)  // ToDo: used to show the text from old files.
+            text = attr.getLabel();
+
         if (text.length() == 0)
             text = Lang.get("elem_Text");
         this.text = text;