Merge branch 'develop' into bug/JAL-1803_JAL-2157

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

diff --git a/src/jalview/gui/ScalePanel.java b/src/jalview/gui/ScalePanel.java
index 316b6be..0aa2459 100755 (executable)
--- a/src/jalview/gui/ScalePanel.java
+++ b/src/jalview/gui/ScalePanel.java
@@ -43,6 +43,7 @@ import java.util.List;
 import javax.swing.JMenuItem;
 import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
+import javax.swing.SwingUtilities;
 import javax.swing.ToolTipManager;
 
 /**
@@ -120,10 +121,19 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
     min = res;
     max = res;
 
-    if (evt.isPopupTrigger())
+    if (evt.isPopupTrigger()) // Mac: mousePressed
     {
       rightMouseButtonPressed(evt, res);
     }
+    else if (SwingUtilities.isRightMouseButton(evt) && !Platform.isAMac())
+    {
+      /*
+       * defer right-mouse click handling to mouse up on Windows
+       * (where isPopupTrigger() will answer true)
+       * but accept Cmd-click on Mac which passes isRightMouseButton
+       */
+      return;
+    }
     else
     {
       leftMouseButtonPressed(evt, res);
@@ -222,6 +232,11 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
    */
   protected void leftMouseButtonPressed(MouseEvent evt, final int res)
   {
+    /*
+     * Ctrl-click/Cmd-click adds to the selection
+     * Shift-click extends the selection
+     */
+    // TODO Problem: right-click on Windows not reported until mouseReleased?!?
     if (!Platform.isControlDown(evt) && !evt.isShiftDown())
     {
       av.getColumnSelection().clear();
@@ -281,8 +296,14 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
 
     if (!stretchingGroup)
     {
-      ap.paintAlignment(false);
-
+      if (evt.isPopupTrigger()) // Windows: mouseReleased
+      {
+        rightMouseButtonPressed(evt, res);
+      }
+      else
+      {
+        ap.paintAlignment(false);
+      }
       return;
     }