JAL-984 use cursor for drag regions to adjust annotation height or id width

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

diff --git a/src/jalview/gui/IdwidthAdjuster.java b/src/jalview/gui/IdwidthAdjuster.java
index 71e2040..99792c6 100755 (executable)
--- a/src/jalview/gui/IdwidthAdjuster.java
+++ b/src/jalview/gui/IdwidthAdjuster.java
@@ -20,7 +20,10 @@
  */
 package jalview.gui;
 
+import jalview.api.AlignViewportI;
+
 import java.awt.Color;
+import java.awt.Cursor;
 import java.awt.Graphics;
 import java.awt.Image;
 import java.awt.event.MouseEvent;
@@ -35,8 +38,8 @@ import javax.swing.JPanel;
  * @author $author$
  * @version $Revision$
  */
-public class IdwidthAdjuster extends JPanel implements MouseListener,
-        MouseMotionListener
+public class IdwidthAdjuster extends JPanel
+        implements MouseListener, MouseMotionListener
 {
   boolean active = false;
 
@@ -73,6 +76,7 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mousePressed(MouseEvent evt)
   {
     oldX = evt.getX();
@@ -84,10 +88,25 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseReleased(MouseEvent evt)
   {
     active = false;
     repaint();
+
+    /*
+     * If in a SplitFrame with co-scaled alignments, set the other's id width to
+     * match
+     */
+    final AlignViewportI viewport = ap.getAlignViewport();
+    if (viewport.getCodingComplement() != null
+            && viewport.isScaleProteinAsCdna())
+    {
+      viewport.getCodingComplement().setIdWidth(viewport.getIdWidth());
+      SplitFrame sf = (SplitFrame) ap.alignFrame.getSplitViewContainer();
+      sf.repaint();
+    }
+
   }
 
   /**
@@ -96,6 +115,7 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseEntered(MouseEvent evt)
   {
     active = true;
@@ -108,6 +128,7 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseExited(MouseEvent evt)
   {
     active = false;
@@ -120,18 +141,21 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseDragged(MouseEvent evt)
   {
     active = true;
 
-    int curwidth = ap.getAlignViewport().getIdWidth();
+    final AlignViewportI viewport = ap.getAlignViewport();
+    int curwidth = viewport.getIdWidth();
     int dif = evt.getX() - oldX;
 
-    if (((curwidth + dif) > 20) || (dif > 0))
+    final int newWidth = curwidth + dif;
+    if ((newWidth > 20) || (dif > 0))
     {
-      ap.getAlignViewport().setIdWidth(curwidth + dif);
+      viewport.setIdWidth(newWidth);
 
-      ap.paintAlignment(true);
+      ap.paintAlignment(true, false);
     }
 
     oldX = evt.getX();
@@ -143,6 +167,7 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseMoved(MouseEvent evt)
   {
   }
@@ -153,6 +178,7 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param evt
    *          DOCUMENT ME!
    */
+  @Override
   public void mouseClicked(MouseEvent evt)
   {
   }
@@ -163,6 +189,7 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
    * @param g
    *          DOCUMENT ME!
    */
+  @Override
   public void paintComponent(Graphics g)
   {
     g.setColor(Color.white);
@@ -172,7 +199,12 @@ public class IdwidthAdjuster extends JPanel implements MouseListener,
     {
       if (image != null)
       {
-        g.drawImage(image, getWidth() - 20, 2, this);
+        // g.drawImage(image, getWidth() - 20, 2, this);
+        setCursor(Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR));
+      }
+      else
+      {
+        setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
       }
     }
   }