JAL-244 Adjust wrapped alignment widths to always maintain a visible wrapped sequence...

[jalview.git] / src / jalview / gui / AlignmentPanel.java

diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index c7c03b3..63455cb 100644 (file)
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -596,14 +596,20 @@ public class AlignmentPanel extends GAlignmentPanel implements
             annotationHeight);
 
     hscroll.addNotify();
-    annotationScroller.setPreferredSize(
-            new Dimension(annotationScroller.getWidth(), annotationHeight));
-
     Dimension e = idPanel.getSize();
-    alabels.setSize(new Dimension(e.width, annotationHeight));
+    int idWidth = e.width;
+    boolean manuallyAdjusted = this.getIdPanel().getIdCanvas()
+            .manuallyAdjusted();
+    annotationScroller.setPreferredSize(new Dimension(
+            manuallyAdjusted ? idWidth : annotationScroller.getWidth(),
+            annotationHeight));
+
+    alabels.setPreferredSize(new Dimension(idWidth, annotationHeight));
 
     annotationSpaceFillerHolder.setPreferredSize(new Dimension(
-            annotationSpaceFillerHolder.getWidth(), annotationHeight));
+            manuallyAdjusted ? idWidth
+                    : annotationSpaceFillerHolder.getWidth(),
+            annotationHeight));
     annotationScroller.validate();
     annotationScroller.addNotify();
     ap.validate();
@@ -880,10 +886,24 @@ public class AlignmentPanel extends GAlignmentPanel implements
   public void paintComponent(Graphics g)
   {
     invalidate(); // needed so that the id width adjuster works correctly
-
     Dimension d = getIdPanel().getIdCanvas().getPreferredSize();
-    idPanelHolder.setPreferredSize(d);
-    hscrollFillerPanel.setPreferredSize(new Dimension(d.width, 12));
+    int idWidth = d.width;
+
+    // check wrapped alignment as at least 1 residue width
+    if (av.getWrapAlignment())
+    {
+      SeqCanvas sc = this.getSeqPanel().seqCanvas;
+      if (sc != null && sc.getWidth() < sc.getMinimumWrappedCanvasWidth())
+      {
+        // need to make some adjustments
+        idWidth -= (sc.getMinimumWrappedCanvasWidth() - sc.getWidth());
+        av.setIdWidth(idWidth);
+        validateAnnotationDimensions(false);
+      }
+    }
+
+    idPanelHolder.setPreferredSize(new Dimension(idWidth, d.height));
+    hscrollFillerPanel.setPreferredSize(new Dimension(idWidth, 12));
 
     validate(); // needed so that the id width adjuster works correctly