Merge branch 'bug/JAL-2621' into develop

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

diff --git a/src/jalview/appletgui/OverviewPanel.java b/src/jalview/appletgui/OverviewPanel.java
index 7431f6a..96138bf 100755 (executable)
--- a/src/jalview/appletgui/OverviewPanel.java
+++ b/src/jalview/appletgui/OverviewPanel.java
@@ -32,9 +32,7 @@ import java.awt.CheckboxMenuItem;
 import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.Frame;
-import java.awt.Image;
 import java.awt.Panel;
-import java.awt.Point;
 import java.awt.PopupMenu;
 import java.awt.event.ComponentAdapter;
 import java.awt.event.ComponentEvent;
@@ -46,14 +44,9 @@ import java.awt.event.MouseListener;
 import java.awt.event.MouseMotionListener;
 import java.beans.PropertyChangeEvent;
 
-import javax.swing.ImageIcon;
-
 public class OverviewPanel extends Panel implements Runnable,
         MouseMotionListener, MouseListener, ViewportListenerI
 {
-  protected Image dragImage = new ImageIcon(
-          getClass().getResource("/images/dragcursor.png")).getImage();
-
   private OverviewDimensions od;
 
   private OverviewCanvas oviewCanvas;
@@ -68,8 +61,6 @@ public class OverviewPanel extends Panel implements Runnable,
 
   private boolean draggingBox = false;
 
-  private Cursor dragCursor;
-
   public OverviewPanel(AlignmentPanel alPanel)
   {
     this.av = alPanel.av;
@@ -88,20 +79,6 @@ public class OverviewPanel extends Panel implements Runnable,
 
     av.getRanges().addPropertyChangeListener(this);
 
-    // set up custom cursor for use on Mac...
-    Point hotSpot = new Point(16, 16);
-    String cursorName = "Custom drag cursor";
-
-    if (Platform.isAMac())
-    {
-      dragCursor = getToolkit().createCustomCursor(dragImage, hotSpot,
-              cursorName);
-    }
-    else
-    {
-      dragCursor = Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR);
-    }
-
     addComponentListener(new ComponentAdapter()
     {
 
@@ -142,33 +119,21 @@ public class OverviewPanel extends Panel implements Runnable,
     {
       showPopupMenu(evt);
     }
-    else if (od.isPositionInBox(evt.getX(), evt.getY()))
-    {
-      // display drag cursor at mouse position
-      this.getParent().setCursor(dragCursor);
-    }
-    else
-    {
-      // reset cursor
-      this.getParent()
-              .setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
-    }
   }
 
   @Override
   public void mouseMoved(MouseEvent evt)
   {
-    System.out.println(evt.getY());
     if (od.isPositionInBox(evt.getX(), evt.getY()))
     {
-      // display drag cursor at mouse position
-      this.getParent().setCursor(dragCursor);
+      this.getParent()
+              .setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
     }
     else
     {
-      // reset cursor
       this.getParent()
-              .setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
+              .setCursor(
+                      Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
     }
   }
 
@@ -191,9 +156,15 @@ public class OverviewPanel extends Panel implements Runnable,
       if (!od.isPositionInBox(evt.getX(), evt.getY()))
       { 
        draggingBox = false;
+
+        // display drag cursor at mouse position
+        setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
+
         od.updateViewportFromMouse(evt.getX(), evt.getY(),
                 av.getAlignment().getHiddenSequences(),
                 av.getAlignment().getHiddenColumns());
+        getParent()
+                .setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
       }
       else
       {
@@ -208,6 +179,7 @@ public class OverviewPanel extends Panel implements Runnable,
   @Override
   public void mouseReleased(MouseEvent evt)
   {
+    draggingBox = false;
   }
 
   @Override
@@ -365,6 +337,10 @@ public class OverviewPanel extends Panel implements Runnable,
     } finally
     {
       av = null;
+      if (oviewCanvas != null)
+      {
+        oviewCanvas.dispose();
+      }
       oviewCanvas = null;
       ap = null;
       od = null;