From 0654aaeaf0f2788912dc9814ffd352dd72dc5115 Mon Sep 17 00:00:00 2001
From: Ben Soares <b.soares@dundee.ac.uk>
Date: Thu, 18 Apr 2024 16:01:46 +0100
Subject: [PATCH] JAL-4397 fixed testresetIdWidth() test on macos

---
 src/jalview/gui/IdCanvas.java            |    2 +-
 test/jalview/gui/AlignmentPanelTest.java |   21 +++++++++++++++++----
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/jalview/gui/IdCanvas.java b/src/jalview/gui/IdCanvas.java
index 76020c7..7a4cf84 100755
--- a/src/jalview/gui/IdCanvas.java
+++ b/src/jalview/gui/IdCanvas.java
@@ -312,7 +312,7 @@ public class IdCanvas extends JPanel implements ViewportListenerI
     if (alignViewport.getWrapAlignment())
     {
       drawIdsWrapped(g, alignViewport, startSeq, getHeight(),
-              manuallyAdjusted ? panelWidth : -1, forGUI);
+              isManuallyAdjusted() ? panelWidth : -1, forGUI);
       return;
     }
 
diff --git a/test/jalview/gui/AlignmentPanelTest.java b/test/jalview/gui/AlignmentPanelTest.java
index a221bd1..d69f57f 100644
--- a/test/jalview/gui/AlignmentPanelTest.java
+++ b/test/jalview/gui/AlignmentPanelTest.java
@@ -29,6 +29,7 @@ import java.awt.Container;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.FontMetrics;
+import java.awt.event.MouseEvent;
 import java.lang.reflect.InvocationTargetException;
 
 import javax.swing.SwingUtilities;
@@ -308,23 +309,35 @@ public class AlignmentPanelTest
      * width for onscreen rendering is IDPanel width
      */
     int w = af.alignPanel.getVisibleIdWidth(true);
-    assertEquals(w, af.alignPanel.getIdPanel().getWidth());
+    int actual = af.alignPanel.getIdPanel().getWidth();
+    assertEquals(w, actual);
     assertEquals(w, 115);
 
     // manually adjust
     af.viewport.setIdWidth(200);
+    // fake mouse drag sets manuallyAdjusted to true (0,0 not moving mouse)
+    MouseEvent drag = new MouseEvent(af.alignPanel,
+            MouseEvent.MOUSE_DRAGGED, System.currentTimeMillis(), 0, 0, 0,
+            MouseEvent.BUTTON1, false);
+    af.alignPanel.idwidthAdjuster.mouseDragged(drag);
+    af.alignPanel.paintComponent(af.alignPanel.getGraphics());
     w = af.alignPanel.calculateIdWidth().width;
     assertTrue(
             af.alignPanel.getIdPanel().getIdCanvas().isManuallyAdjusted());
-    assertEquals(w, af.alignPanel.getIdPanel().getWidth());
+    actual = af.alignPanel.getIdPanel().getWidth();
+    assertEquals(w, actual);
 
     af.viewport.setIdWidth(-1);
     af.alignPanel.getIdPanel().getIdCanvas().setManuallyAdjusted(false);
     w = af.alignPanel.calculateIdWidth().width;
+    af.alignPanel.paintComponent(af.alignPanel.getGraphics());
 
-    assertEquals(w, af.alignPanel.getIdPanel().getWidth());
+    actual = af.alignPanel.getIdPanel().getWidth();
+    assertEquals(w, actual);
 
-    assertNotEquals(w, 115);
+    // setting a negative IdWidth and then running calculateIdWidth resets width
+    // to optimal id width
+    assertEquals(w, 115);
   }
 
   @Test(groups = "Functional")
-- 
1.7.10.2