From 54919e6854fcadc9849fa59fcd8c95574bab08d6 Mon Sep 17 00:00:00 2001
From: JamesJ <13408010-JamesJCode@users.noreply.gitlab.com>
Date: Sun, 24 Mar 2024 20:29:15 +0000
Subject: [PATCH] Performance update for pcbnew net inspector

Forces full rebuild of nets list for bulk updates over a certain
size. This is more performant than iterating over all items in
a bulk update.
---
 pcbnew/widgets/pcb_net_inspector_panel.cpp | 25 ++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/pcbnew/widgets/pcb_net_inspector_panel.cpp b/pcbnew/widgets/pcb_net_inspector_panel.cpp
index 244c298ab1..5cbe9dbed9 100644
--- a/pcbnew/widgets/pcb_net_inspector_panel.cpp
+++ b/pcbnew/widgets/pcb_net_inspector_panel.cpp
@@ -963,9 +963,18 @@ void PCB_NET_INSPECTOR_PANEL::OnBoardItemsAdded( BOARD&                    aBoar
     if( !IsShownOnScreen() )
         return;
 
-    for( BOARD_ITEM* item : aBoardItems )
+    // Rebuild full netlist for large changes
+    if( aBoardItems.size() > 25 )
     {
-        OnBoardItemAdded( aBoard, item );
+        buildNetsList();
+        m_netsList->Refresh();
+    }
+    else
+    {
+        for( BOARD_ITEM* item : aBoardItems )
+        {
+            OnBoardItemAdded( aBoard, item );
+        }
     }
 }
 
@@ -1037,9 +1046,17 @@ void PCB_NET_INSPECTOR_PANEL::OnBoardItemsRemoved( BOARD&                    aBo
     if( !IsShownOnScreen() )
         return;
 
-    for( BOARD_ITEM* item : aBoardItems )
+    if( aBoardItems.size() > 25 )
     {
-        OnBoardItemRemoved( aBoard, item );
+        buildNetsList();
+        m_netsList->Refresh();
+    }
+    else
+    {
+        for( BOARD_ITEM* item : aBoardItems )
+        {
+            OnBoardItemRemoved( aBoard, item );
+        }
     }
 }