From 951974f8084ba8b1e8c0fa93f706c3e820256b84 Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Sun, 31 May 2020 23:37:08 +0200
Subject: [PATCH] Reset the wxSTC cursor when the DPI changes

This causes the cursor to be recreated (when necessary) at the correct DPI.
---
 src/stc/stc.cpp    | 5 +++++
 src/stc/stc.cpp.in | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/stc/stc.cpp b/src/stc/stc.cpp
index a0ed931021..b2578a4bd8 100644
--- a/src/stc/stc.cpp
+++ b/src/stc/stc.cpp
@@ -5436,6 +5436,11 @@ void wxStyledTextCtrl::OnGainFocus(wxFocusEvent& evt) {
 void wxStyledTextCtrl::OnDPIChanged(wxDPIChangedEvent& evt) {
     m_swx->DoInvalidateStyleData();
 
+    // trigger a cursor change, so any cursors created by wxWidgets (like reverse arrow) will be recreated
+    const int oldCursor = GetSTCCursor();
+    SetSTCCursor(-1);
+    SetSTCCursor(oldCursor);
+
     // adjust the margins to the new DPI
     for ( int i = 0; i < SC_MAX_MARGIN; ++i )
     {
diff --git a/src/stc/stc.cpp.in b/src/stc/stc.cpp.in
index 4ea7df2d78..35210cbf1b 100644
--- a/src/stc/stc.cpp.in
+++ b/src/stc/stc.cpp.in
@@ -963,6 +963,11 @@ void wxStyledTextCtrl::OnGainFocus(wxFocusEvent& evt) {
 void wxStyledTextCtrl::OnDPIChanged(wxDPIChangedEvent& evt) {
     m_swx->DoInvalidateStyleData();
 
+    // trigger a cursor change, so any cursors created by wxWidgets (like reverse arrow) will be recreated
+    const int oldCursor = GetSTCCursor();
+    SetSTCCursor(-1);
+    SetSTCCursor(oldCursor);
+
     // adjust the margins to the new DPI
     for ( int i = 0; i < SC_MAX_MARGIN; ++i )
     {