From 9bae1046c7bae9ef1bb13ee8befb9540fc1c5008 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 25 Feb 2024 01:26:53 +0100
Subject: [PATCH] Update tab control height in wxAuiNotebook on DPI change

Otherwise layout is computed incorrectly, resulting in visual artefacts.

Closes #24348.

Closes #24355.
---
 include/wx/aui/auibook.h | 1 +
 src/aui/auibook.cpp      | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/include/wx/aui/auibook.h b/include/wx/aui/auibook.h
index 427ac706dd..d46c9fe82b 100644
--- a/include/wx/aui/auibook.h
+++ b/include/wx/aui/auibook.h
@@ -434,6 +434,7 @@ protected:
     void OnTabBgDClick(wxAuiNotebookEvent& evt);
     void OnNavigationKeyNotebook(wxNavigationKeyEvent& event);
     void OnSysColourChanged(wxSysColourChangedEvent& event);
+    void OnDpiChanged(wxDPIChangedEvent& event);
 
     // set selection to the given window (which must be non-null and be one of
     // our pages, otherwise an assert is raised)
diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index 0ccb258efb..9297a71c6b 100644
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -1700,6 +1700,7 @@ wxBEGIN_EVENT_TABLE(wxAuiNotebook, wxBookCtrlBase)
                       wxAuiNotebook::OnTabBgDClick)
     EVT_NAVIGATION_KEY(wxAuiNotebook::OnNavigationKeyNotebook)
     EVT_SYS_COLOUR_CHANGED(wxAuiNotebook::OnSysColourChanged)
+    EVT_DPI_CHANGED(wxAuiNotebook::OnDpiChanged)
 wxEND_EVENT_TABLE()
 
 void wxAuiNotebook::OnSysColourChanged(wxSysColourChangedEvent &event)
@@ -1723,6 +1724,12 @@ void wxAuiNotebook::OnSysColourChanged(wxSysColourChangedEvent &event)
     Refresh();
 }
 
+void wxAuiNotebook::OnDpiChanged(wxDPIChangedEvent& event)
+{
+    UpdateTabCtrlHeight();
+    event.Skip();
+}
+
 void wxAuiNotebook::Init()
 {
     m_curPage = -1;