From b938992da47d905d76434ab432cdc16d0d9384bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Sat, 3 Dec 2022 19:13:21 +0100
Subject: [PATCH] Add a new centering capability to AnchorLayout

---
 Common/UI/ViewGroup.cpp | 6 ++++++
 Common/UI/ViewGroup.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/Common/UI/ViewGroup.cpp b/Common/UI/ViewGroup.cpp
index 9b7dac87bd..eefb93d82f 100644
--- a/Common/UI/ViewGroup.cpp
+++ b/Common/UI/ViewGroup.cpp
@@ -1272,6 +1272,9 @@ void AnchorLayout::Layout() {
 			if (center) {
 				vBounds.x += vBounds.w * 0.5f;
 			}
+		} else {
+			// Both left and right are NONE. Center.
+			vBounds.x = (bounds_.w - vBounds.w) / 2.0f + bounds_.x;
 		}
 
 		if (top > NONE) {
@@ -1282,6 +1285,9 @@ void AnchorLayout::Layout() {
 			vBounds.y = bounds_.y2() - bottom - vBounds.h;
 			if (center)
 				vBounds.y += vBounds.h * 0.5f;
+		} else {
+			// Both top and bottom are NONE. Center.
+			vBounds.y = (bounds_.h - vBounds.h) / 2.0f + bounds_.y;
 		}
 
 		views_[i]->SetBounds(vBounds);
diff --git a/Common/UI/ViewGroup.h b/Common/UI/ViewGroup.h
index 5a10704a23..05fe046681 100644
--- a/Common/UI/ViewGroup.h
+++ b/Common/UI/ViewGroup.h
@@ -123,6 +123,7 @@ public:
 
 	// These are not bounds, but distances from the container edges.
 	// Set to NONE to not attach this edge to the container.
+	// If two opposite edges are NONE, centering will happen.
 	float left, top, right, bottom;
 	bool center;  // If set, only two "sides" can be set, and they refer to the center, not the edge, of the view being layouted.