From 6787fe8933b54f9e68f123df457e502dee9be13a Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Wed, 26 Feb 2025 17:56:37 +0300
Subject: protocols: Support wp color management proto (#9444)

Adds support for the recently merged w-p CM protocol alongside the (now deprecated) old CM WIP protocols
---
 src/protocols/core/Compositor.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/protocols/core/Compositor.cpp')

diff --git a/src/protocols/core/Compositor.cpp b/src/protocols/core/Compositor.cpp
index 92c3c425..06977338 100644
--- a/src/protocols/core/Compositor.cpp
+++ b/src/protocols/core/Compositor.cpp
@@ -306,6 +306,23 @@ void CWLSurfaceResource::breadthfirst(std::function<void(SP<CWLSurfaceResource>,
     bfHelper(surfs, fn, data);
 }
 
+SP<CWLSurfaceResource> CWLSurfaceResource::findFirstPreorderHelper(SP<CWLSurfaceResource> root, std::function<bool(SP<CWLSurfaceResource>)> fn) {
+    if (fn(root))
+        return root;
+    for (auto const& sub : root->subsurfaces) {
+        if (sub.expired() || sub->surface.expired())
+            continue;
+        const auto found = findFirstPreorderHelper(sub->surface.lock(), fn);
+        if (found)
+            return found;
+    }
+    return nullptr;
+}
+
+SP<CWLSurfaceResource> CWLSurfaceResource::findFirstPreorder(std::function<bool(SP<CWLSurfaceResource>)> fn) {
+    return findFirstPreorderHelper(self.lock(), fn);
+}
+
 std::pair<SP<CWLSurfaceResource>, Vector2D> CWLSurfaceResource::at(const Vector2D& localCoords, bool allowsInput) {
     std::vector<std::pair<SP<CWLSurfaceResource>, Vector2D>> surfs;
     breadthfirst([&surfs](SP<CWLSurfaceResource> surf, const Vector2D& offset, void* data) { surfs.emplace_back(std::make_pair<>(surf, offset)); }, &surfs);
-- 
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