JAL-3383 JAL-3253-applet bug in FontChooser calls for full redraw;

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

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 04ceea6..de67c39 100644 (file)
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -134,7 +134,6 @@ public class SeqPanel extends JPanel
       MousePos o = (MousePos) obj;
       boolean b = (column == o.column && seqIndex == o.seqIndex
               && annotationIndex == o.annotationIndex);
-      // System.out.println(obj + (b ? "= " : "!= ") + this);
       return b;
     }
 
@@ -321,8 +320,10 @@ public class SeqPanel extends JPanel
     }
     else
     {
-      seqIndex = Math.min((y / charHeight) + av.getRanges().getStartSeq(),
+      ViewportRanges ranges = av.getRanges();
+      seqIndex = Math.min((y / charHeight) + ranges.getStartSeq(),
               alignmentHeight - 1);
+      seqIndex = Math.min(seqIndex, ranges.getEndSeq());
     }
 
     return new MousePos(col, seqIndex, annIndex);
@@ -1502,7 +1503,6 @@ public class SeqPanel extends JPanel
         return;
       }
 
-      // System.out.print(y1+" "+y2+" "+fixedLeft+" "+fixedRight+"~~");
       // Selection spans a hidden region
       if (fixedLeft < y1 && (fixedRight > y2 || fixedRight == -1))
       {
@@ -1940,13 +1940,23 @@ public class SeqPanel extends JPanel
   @Override
   public void mouseExited(MouseEvent e)
   {
+    lastMousePosition = null;
     ap.alignFrame.setStatus(" ");
+
     if (av.getWrapAlignment())
     {
       return;
     }
 
-    if (mouseDragging && scrollThread == null)
+    /*
+     * start scrolling if mouse dragging, whether the drag started
+     * in the scale panel or this panel
+     */
+    if (ap.getScalePanel().isMouseDragging())
+    {
+      ap.getScalePanel().mouseExited(e);
+    }
+    else if (mouseDragging && scrollThread == null)
     {
       startScrolling(e.getPoint());
     }
@@ -2405,14 +2415,7 @@ public class SeqPanel extends JPanel
     {
       scrollThread = new ScrollThread();
       scrollThread.setMousePosition(mousePos);
-      if (!Platform.isJS())
-      {
-        /*
-         * Java - run in a new thread
-         */
-        scrollThread.start();
-      }
-      else
+      if (Platform.isJS())
       {
         /*
          * Javascript - run every 20ms until scrolling stopped
@@ -2428,22 +2431,22 @@ public class SeqPanel extends JPanel
               // if (!scrollOnce() {t.stop();}) gives compiler error :-(
               scrollThread.scrollOnce();
             }
-          }
-        });
-        t.addActionListener(new ActionListener()
-        {
-          @Override
-          public void actionPerformed(ActionEvent e)
-          {
             if (scrollThread == null)
             {
               // SeqPanel.stopScrolling called
-              t.stop();
+              ((Timer) e.getSource()).stop();
             }
           }
         });
         t.start();
       }
+      else
+      {
+        /*
+         * Java - run in a new thread
+         */
+        scrollThread.start();
+      }
     }
   }
 
@@ -2767,4 +2770,45 @@ public class SeqPanel extends JPanel
   {
     return lastSearchResults;
   }
+
+  /**
+   * scroll to the given row/column - or nearest visible location
+   * 
+   * @param row
+   * @param column
+   */
+  public void scrollTo(int row, int column)
+  {
+
+    row = row < 0 ? ap.av.getRanges().getStartSeq() : row;
+    column = column < 0 ? ap.av.getRanges().getStartRes() : column;
+    ap.scrollTo(column, column, row, true, true);
+  }
+
+  /**
+   * scroll to the given row - or nearest visible location
+   * 
+   * @param row
+   */
+  public void scrollToRow(int row)
+  {
+
+    row = row < 0 ? ap.av.getRanges().getStartSeq() : row;
+    ap.scrollTo(ap.av.getRanges().getStartRes(),
+            ap.av.getRanges().getStartRes(), row, true, true);
+  }
+
+  /**
+   * scroll to the given column - or nearest visible location
+   * 
+   * @param column
+   */
+  public void scrollToColumn(int column)
+  {
+
+    column = column < 0 ? ap.av.getRanges().getStartRes() : column;
+    ap.scrollTo(column, column, ap.av.getRanges().getStartSeq(), true,
+            true);
+  }
+
 }