From e6ddc7e0226b7432c3360f1e11dd605fecdb4bab Mon Sep 17 00:00:00 2001
From: thankyouverycool <66646555+thankyouverycool@users.noreply.github.com>
Date: Fri, 10 Jul 2020 09:47:58 -0400
Subject: [PATCH] LibGUI: Add missing on_toggle hook to TreeView

Alt+arrow toggles are now captured.
---
 Libraries/LibGUI/TreeView.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Libraries/LibGUI/TreeView.cpp b/Libraries/LibGUI/TreeView.cpp
index 583080c7cc..c3bbda16f9 100644
--- a/Libraries/LibGUI/TreeView.cpp
+++ b/Libraries/LibGUI/TreeView.cpp
@@ -115,6 +115,8 @@ void TreeView::set_open_state_of_all_in_subtree(const ModelIndex& root, bool ope
     int row_count = model()->row_count(root);
     int column = model()->tree_column();
     for (int row = 0; row < row_count; ++row) {
+        if (on_toggle)
+            on_toggle(root, open);
         auto index = model()->index(row, column, root);
         set_open_state_of_all_in_subtree(index, open);
     }