From 28d01d023bd76310520a895bdb7f66a2e70a2043 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Sat, 21 Jan 2023 19:34:26 +0300
Subject: [PATCH] Replaced multiple static constants for square root of 2 with
 Qt define.

---
 ui/effects/cross_animation.cpp | 5 ++---
 ui/widgets/checkbox.cpp        | 3 +--
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/ui/effects/cross_animation.cpp b/ui/effects/cross_animation.cpp
index 865bc8a..18a9cd4 100644
--- a/ui/effects/cross_animation.cpp
+++ b/ui/effects/cross_animation.cpp
@@ -122,7 +122,6 @@ void CrossAnimation::paint(
 
 	const auto stroke = style::ConvertScaleExact(st.stroke);
 
-	const auto sqrt2 = sqrt(2.);
 	const auto deleteScale = shown + st.minScale * (1. - shown);
 	const auto deleteSkip = (deleteScale * st.skip)
 		+ (1. - deleteScale) * (st.size / 2);
@@ -131,7 +130,7 @@ void CrossAnimation::paint(
 	const auto deleteTop = y + deleteSkip + 0.;
 	const auto deleteWidth = st.size - 2 * deleteSkip;
 	const auto deleteHeight = st.size - 2 * deleteSkip;
-	const auto deleteStroke = stroke / sqrt2;
+	const auto deleteStroke = stroke / M_SQRT2;
 	std::array<QPointF, kPointCount> pathDelete = { {
 		{ deleteLeft, deleteTop + deleteStroke },
 		{ deleteLeft + deleteStroke, deleteTop },
@@ -180,7 +179,7 @@ void CrossAnimation::paint(
 		p.fillPath(path, color);
 	}
 	if (loadingArcLength != 0) {
-		auto roundSkip = (st.size * (1 - sqrt2) + 2 * sqrt2 * deleteSkip + stroke) / 2;
+		auto roundSkip = (st.size * (1 - M_SQRT2) + 2 * M_SQRT2 * deleteSkip + stroke) / 2;
 		auto roundPart = QRectF(x + roundSkip, y + roundSkip, st.size - 2 * roundSkip, st.size - 2 * roundSkip);
 		if (staticLoading) {
 			anim::DrawStaticLoading(p, roundPart, stroke, color);
diff --git a/ui/widgets/checkbox.cpp b/ui/widgets/checkbox.cpp
index dc5d50f..7cc28a8 100644
--- a/ui/widgets/checkbox.cpp
+++ b/ui/widgets/checkbox.cpp
@@ -137,8 +137,7 @@ void ToggleView::paintXV(QPainter &p, int left, int top, int outerWidth, float64
 	Expects(_st->vsize > 0);
 	Expects(_st->stroke > 0);
 
-	static const auto sqrt2 = sqrt(2.);
-	const auto stroke = (0. + _st->stroke) / sqrt2;
+	const auto stroke = (0. + _st->stroke) / M_SQRT2;
 	if (toggled < 1) {
 		// Just X or X->V.
 		const auto xSize = 0. + _st->xsize;