If alignment is closed, then undo performed in visible window

[jalview.git] / src / jalview / appletgui / SeqPanel.java

diff --git a/src/jalview/appletgui/SeqPanel.java b/src/jalview/appletgui/SeqPanel.java
index 8e70e35..feda697 100755 (executable)
--- a/src/jalview/appletgui/SeqPanel.java
+++ b/src/jalview/appletgui/SeqPanel.java
@@ -138,6 +138,24 @@ public class SeqPanel
    {\r
      seqCanvas.cursorX += dx;\r
      seqCanvas.cursorY += dy;\r
+     if (av.hasHiddenColumns && !av.colSel.isVisible(seqCanvas.cursorX))\r
+     {\r
+       int original = seqCanvas.cursorX - dx;\r
+       int maxWidth = av.alignment.getWidth();\r
+\r
+       while(!av.colSel.isVisible(seqCanvas.cursorX)\r
+             && seqCanvas.cursorX<maxWidth\r
+             && seqCanvas.cursorX>0)\r
+       {\r
+         seqCanvas.cursorX += dx;\r
+       }\r
+\r
+       if(seqCanvas.cursorX>=maxWidth\r
+          || !av.colSel.isVisible(seqCanvas.cursorX) )\r
+       {\r
+         seqCanvas.cursorX = original;\r
+       }\r
+      }\r
      scrollToVisible();\r
    }\r
 \r
@@ -169,13 +187,13 @@ public class SeqPanel
        {\r
          ap.scrollUp(false);\r
        }\r
-       while (seqCanvas.cursorX < av.startRes)\r
+       while (seqCanvas.cursorX < av.colSel.adjustForHiddenColumns(av.startRes))\r
        {\r
 \r
          if (!ap.scrollRight(false))\r
            break;\r
        }\r
-       while (seqCanvas.cursorX > av.endRes)\r
+       while (seqCanvas.cursorX > av.colSel.adjustForHiddenColumns(av.endRes))\r
        {\r
          if (!ap.scrollRight(true))\r
            break;\r