From 9f7a96b997d90c4c188f3837e02859a25a05611e Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Sat, 14 Dec 2024 16:19:56 +0100
Subject: core/data: Use pointer focus for DnD operations (#8707)

fixes #7737
---
 src/managers/SeatManager.cpp | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'src/managers/SeatManager.cpp')

diff --git a/src/managers/SeatManager.cpp b/src/managers/SeatManager.cpp
index 08923dd7..b169faeb 100644
--- a/src/managers/SeatManager.cpp
+++ b/src/managers/SeatManager.cpp
@@ -14,8 +14,7 @@ CSeatManager::CSeatManager() {
     listeners.newSeatResource = PROTO::seat->events.newSeatResource.registerListener([this](std::any res) { onNewSeatResource(std::any_cast<SP<CWLSeatResource>>(res)); });
 }
 
-CSeatManager::SSeatResourceContainer::SSeatResourceContainer(SP<CWLSeatResource> res) {
-    resource          = res;
+CSeatManager::SSeatResourceContainer::SSeatResourceContainer(SP<CWLSeatResource> res) : resource(res) {
     listeners.destroy = res->events.destroy.registerListener(
         [this](std::any data) { std::erase_if(g_pSeatManager->seatResources, [this](const auto& e) { return e->resource.expired() || e->resource == resource; }); });
 }
@@ -192,8 +191,12 @@ void CSeatManager::setPointerFocus(SP<CWLSurfaceResource> surf, const Vector2D&
     if (state.pointerFocus == surf)
         return;
 
-    if (PROTO::data->dndActive() && surf) {
-        Debug::log(LOG, "[seatmgr] Refusing pointer focus during an active dnd");
+    if (PROTO::data->dndActive()) {
+        if (state.dndPointerFocus == surf)
+            return;
+        Debug::log(LOG, "[seatmgr] Refusing pointer focus during an active dnd, but setting dndPointerFocus");
+        state.dndPointerFocus = surf;
+        events.dndPointerFocusChange.emit();
         return;
     }
 
@@ -221,6 +224,7 @@ void CSeatManager::setPointerFocus(SP<CWLSurfaceResource> surf, const Vector2D&
 
     auto lastPointerFocusResource = state.pointerFocusResource;
 
+    state.dndPointerFocus.reset();
     state.pointerFocusResource.reset();
     state.pointerFocus = surf;
 
@@ -230,6 +234,8 @@ void CSeatManager::setPointerFocus(SP<CWLSurfaceResource> surf, const Vector2D&
         return;
     }
 
+    state.dndPointerFocus = surf;
+
     auto client = surf->client();
     for (auto const& r : seatResources | std::views::reverse) {
         if (r->resource->client() != client)
@@ -252,6 +258,7 @@ void CSeatManager::setPointerFocus(SP<CWLSurfaceResource> surf, const Vector2D&
     listeners.pointerSurfaceDestroy = surf->events.destroy.registerListener([this](std::any d) { setPointerFocus(nullptr, {}); });
 
     events.pointerFocusChange.emit();
+    events.dndPointerFocusChange.emit();
 }
 
 void CSeatManager::sendPointerMotion(uint32_t timeMs, const Vector2D& local) {
-- 
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