From e7a8e2fca172cadbe10ae875b42ac456c05c84ec Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Mon, 25 Nov 2024 14:58:48 -0600
Subject: [PATCH] DolphinQt: Update mapping indicators at screen refresh rate.

---
 Source/Core/DolphinQt/Config/Mapping/MappingWidget.h   | 2 --
 Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp | 9 ++++++---
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Source/Core/DolphinQt/Config/Mapping/MappingWidget.h b/Source/Core/DolphinQt/Config/Mapping/MappingWidget.h
index 0ec5227f34..ee05834736 100644
--- a/Source/Core/DolphinQt/Config/Mapping/MappingWidget.h
+++ b/Source/Core/DolphinQt/Config/Mapping/MappingWidget.h
@@ -27,8 +27,6 @@ class NumericSettingBase;
 enum class SettingVisibility;
 }  // namespace ControllerEmu
 
-constexpr int INDICATOR_UPDATE_FREQ = 30;
-
 class MappingWidget : public QWidget
 {
   Q_OBJECT
diff --git a/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp b/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp
index a41920e2c1..d5af344c30 100644
--- a/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp
+++ b/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp
@@ -10,12 +10,12 @@
 #include <QGroupBox>
 #include <QHBoxLayout>
 #include <QPushButton>
+#include <QScreen>
 #include <QTabWidget>
 #include <QTimer>
 #include <QToolButton>
 #include <QVBoxLayout>
 
-#include "Core/Core.h"
 #include "Core/HotkeyManager.h"
 
 #include "Common/CommonPaths.h"
@@ -73,12 +73,15 @@ MappingWindow::MappingWindow(QWidget* parent, Type type, int port_num)
   SetMappingType(type);
 
   const auto timer = new QTimer(this);
-  connect(timer, &QTimer::timeout, this, [this] {
+  connect(timer, &QTimer::timeout, this, [this, timer] {
+    const double refresh_rate = screen()->refreshRate();
+    timer->setInterval(1000 / refresh_rate);
+
     const auto lock = GetController()->GetStateLock();
     emit Update();
   });
 
-  timer->start(1000 / INDICATOR_UPDATE_FREQ);
+  timer->start(100);
 
   const auto lock = GetController()->GetStateLock();
   emit ConfigChanged();