From f255b216a064db6183a753e76552188c04c60bcc Mon Sep 17 00:00:00 2001
From: Tom Englund <tomenglund26@gmail.com>
Date: Wed, 9 Jul 2025 18:57:50 +0200
Subject: [PATCH] CRegion: introduce forEachRect

makes us able to directly call a function on each rect instead of using
getRects() allocating a vector every single time, especially when its
used in hot paths like the renderer.
---
 include/hyprutils/math/Region.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/hyprutils/math/Region.hpp b/include/hyprutils/math/Region.hpp
index f7589f2..776a668 100644
--- a/include/hyprutils/math/Region.hpp
+++ b/include/hyprutils/math/Region.hpp
@@ -58,6 +58,14 @@ namespace Hyprutils {
             CRegion                     copy() const;
 
             std::vector<pixman_box32_t> getRects() const;
+            template <typename T>
+            void forEachRect(T&& cb) const {
+                int         rectsNum = 0;
+                const auto* rects    = pixman_region32_rectangles(&m_rRegion, &rectsNum);
+                for (int i = 0; i < rectsNum; ++i) {
+                    std::forward<T>(cb)(rects[i]);
+                }
+            }
 
             //
             pixman_region32_t* pixman() {