From 2022febc84989dba04a4677f3c187a057dece522 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Fri, 4 Apr 2025 00:59:29 +0200
Subject: [PATCH] screenedge: Hardcode the cornerOffset value

At the moment we were using fonts to calculate it which would slow us
down at startup for little pay-off.
We were using visual metrics for a touch scaling which is wrong so let's
just hardcode a value.
On my system (running default fonts) gridUnit was 9 and thus was
resulting on 36, rounded up to 40.
---
 src/screenedge.cpp | 9 +--------
 src/screenedge.h   | 2 +-
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/src/screenedge.cpp b/src/screenedge.cpp
index adbac936f20..fb42ecc9330 100644
--- a/src/screenedge.cpp
+++ b/src/screenedge.cpp
@@ -42,12 +42,6 @@
 #include <QAbstractEventDispatcher>
 #include <QAction>
 #include <QDBusInterface>
-#include <QDBusPendingCall>
-#include <QFontDatabase>
-#include <QFontMetrics>
-#include <QTextStream>
-#include <QTimer>
-#include <QWidget>
 #include <span>
 
 using namespace std::chrono_literals;
@@ -766,10 +760,9 @@ ScreenEdges::ScreenEdges()
     , m_actionBottom(ElectricActionNone)
     , m_actionBottomLeft(ElectricActionNone)
     , m_actionLeft(ElectricActionNone)
+    , m_cornerOffset(40)
     , m_gestureRecognizer(new GestureRecognizer(this))
 {
-    const int gridUnit = QFontMetrics(QFontDatabase::systemFont(QFontDatabase::GeneralFont)).boundingRect(QLatin1Char('M')).height();
-    m_cornerOffset = 4 * gridUnit;
 }
 
 void ScreenEdges::init()
diff --git a/src/screenedge.h b/src/screenedge.h
index b208edf3c98..8417f2aee57 100644
--- a/src/screenedge.h
+++ b/src/screenedge.h
@@ -388,7 +388,7 @@ private:
     ElectricBorderAction m_actionBottomLeft;
     ElectricBorderAction m_actionLeft;
     QMap<ElectricBorder, ElectricBorderAction> m_touchCallbacks;
-    int m_cornerOffset;
+    const int m_cornerOffset;
     GestureRecognizer *m_gestureRecognizer;
     bool m_remainActiveOnFullscreen = false;
 };
-- 
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