From c8b23f1ea8c4198c60b08e5aebfb920b2a33a8e3 Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Fri, 8 May 2026 11:18:31 +0800
Subject: t

---
 .../algorithm/tiled/scrolling/ScrollingAlgorithm.cpp     | 16 ++++++++++++++--
 .../algorithm/tiled/scrolling/ScrollingAlgorithm.hpp     |  4 ++++
 2 files changed, 18 insertions(+), 2 deletions(-)

(limited to 'src/layout/algorithm')

diff --git a/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.cpp b/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.cpp
index c6cfbada..c505be4c 100644
--- a/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.cpp
+++ b/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.cpp
@@ -614,6 +614,7 @@ CScrollingAlgorithm::~CScrollingAlgorithm() {
 
 void CScrollingAlgorithm::focusOnInput(SP<ITarget> target, eInputMode input) {
     static const auto PFOLLOW_FOCUS_MIN_PERC = CConfigValue<Config::FLOAT>("scrolling:follow_min_visible");
+    static const auto PHOVERDELAY            = CConfigValue<Config::FLOAT>("scrolling:focus_edge_ms");
 
     if (!target || target->space() != m_parent->space())
         return;
@@ -635,8 +636,19 @@ void CScrollingAlgorithm::focusOnInput(SP<ITarget> target, eInputMode input) {
             std::abs(std::min(MON_BOX.y + MON_BOX.h, TARGET_POS.y + TARGET_POS.h) - (std::max(MON_BOX.y, TARGET_POS.y)));
 
         // if the amount of visible X is below minimum, reject
-        if (VISIBLE_LEN < (IS_HORIZ ? MON_BOX.w : MON_BOX.h) * std::clamp(*PFOLLOW_FOCUS_MIN_PERC, 0.F, 1.F))
-            return;
+        if (VISIBLE_LEN < (IS_HORIZ ? MON_BOX.w : MON_BOX.h) * std::clamp(*PFOLLOW_FOCUS_MIN_PERC, 0.F, 1.F)) {
+            if (*PHOVERDELAY > 0.F) {
+                if (m_hoveredTarget.lock() != target) {
+                    m_hoveredTarget = target;
+                    m_hoverTimer.reset();
+                    return;
+                } else if (m_hoverTimer.getMillis() < *PHOVERDELAY) {
+                    return;
+                }
+            } else {
+                return;
+            }
+        }
     }
 
     // if we moved via non-kb, and it's fully visible, ignore
diff --git a/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp b/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
index a7c64aa8..b8e175d7 100644
--- a/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
+++ b/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
@@ -4,6 +4,7 @@
 #include "../../../../helpers/math/Direction.hpp"
 #include "ScrollTapeController.hpp"
 #include "../../../../helpers/signal/Signal.hpp"
+#include "../../../../helpers/time/Timer.hpp"
 
 #include <optional>
 #include <vector>
@@ -176,6 +177,9 @@ namespace Layout::Tiled {
         std::vector<SFullscreenScrollState> m_fullscreenTargets;
         bool                                m_lastFullscreenCover = false;
 
+        CTimer                              m_hoverTimer;
+        WP<ITarget>                         m_hoveredTarget;
+
         friend struct SScrollingData;
     };
 };
-- 
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