From 9ee866551f98a994a241aa61d87bc8acf94cd2f5 Mon Sep 17 00:00:00 2001
From: Andreas Falkenhahn <andreas@falkenhahn.com>
Date: Tue, 22 Dec 2020 02:04:32 +0100
Subject: [PATCH] Mac: Update column width when expanding/collapsing

Adjust autosizing columns of wxDataViewCtrl when items are expanded
or collapsed through the UI as well.

Complements commit e89e76bb82.

See #14939.

See #19003.
---
 src/osx/cocoa/dataview.mm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/osx/cocoa/dataview.mm b/src/osx/cocoa/dataview.mm
index 46af4690db..361407cb5a 100644
--- a/src/osx/cocoa/dataview.mm
+++ b/src/osx/cocoa/dataview.mm
@@ -1643,6 +1643,7 @@ outlineView:(NSOutlineView*)outlineView
         currentlyEditedColumn =
             currentlyEditedRow = -1;
 
+        [self setAutoresizesOutlineColumn:NO];
         [self registerForDraggedTypes:[NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]];
         [self setDelegate:self];
         [self setDoubleAction:@selector(actionDoubleClick:)];
@@ -1900,6 +1901,8 @@ outlineView:(NSOutlineView*)outlineView
                     [[notification userInfo] objectForKey:@"NSObject"]);
     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_COLLAPSED, dvc, item);
     dvc->GetEventHandler()->ProcessEvent(event);
+
+    dvc->AdjustAutosizedColumns();
 }
 
 -(void) outlineViewItemDidExpand:(NSNotification*)notification
@@ -1910,6 +1913,8 @@ outlineView:(NSOutlineView*)outlineView
                     [[notification userInfo] objectForKey:@"NSObject"]);
     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_EXPANDED, dvc, item);
     dvc->GetEventHandler()->ProcessEvent(event);
+
+    dvc->AdjustAutosizedColumns();
 }
 
 -(void) outlineViewSelectionDidChange:(NSNotification*)notification