Merge branch 'develop' into task/JAL-4001_migrate_googleanalytics_to_GA4

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

diff --git a/src/jalview/gui/TreePanel.java b/src/jalview/gui/TreePanel.java
index 0e1fd42..5ccd68d 100755 (executable)
--- a/src/jalview/gui/TreePanel.java
+++ b/src/jalview/gui/TreePanel.java
@@ -24,6 +24,8 @@ import java.awt.Font;
 import java.awt.Graphics;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import java.io.File;
@@ -67,6 +69,7 @@ import jalview.gui.ImageExporter.ImageWriterI;
 import jalview.io.JalviewFileChooser;
 import jalview.io.JalviewFileView;
 import jalview.io.NewickFile;
+import jalview.io.exceptions.ImageOutputException;
 import jalview.jbgui.GTreePanel;
 import jalview.util.ImageMaker.TYPE;
 import jalview.util.MessageManager;
@@ -188,6 +191,22 @@ public class TreePanel extends GTreePanel
     treeCanvas = new TreeCanvas(this, ap, scrollPane);
     scrollPane.setViewportView(treeCanvas);
 
+    addKeyListener(new KeyAdapter()
+    {
+      @Override
+      public void keyPressed(KeyEvent e)
+      {
+        switch (e.getKeyCode())
+        { 
+        case 27: // escape
+          treeCanvas.clearSelectedLeaves();
+          e.consume();
+          break;
+          
+        }
+        
+      }
+    });
     PaintRefresher.Register(this, ap.av.getSequenceSetId());
 
     buildAssociatedViewMenu();
@@ -739,8 +758,12 @@ public class TreePanel extends GTreePanel
     String tree = MessageManager.getString("label.tree");
     ImageExporter exporter = new ImageExporter(writer, null, imageFormat,
             tree);
+    try {
     exporter.doExport(null, this, width, height,
             tree.toLowerCase(Locale.ROOT));
+    } catch (ImageOutputException ioex) {
+      Console.error("Unexpected error whilst writing "+imageFormat.toString(),ioex);
+    }
   }
 
   /**