algo/dwindle: fix focal point not being properly used in movedTarget (#13373)

hyprtester/src/tests/main/dwindle.cpp

@@ -34,6 +34,51 @@ static void testFloatClamp() {
     // clean up
     NLog::log("{}Killing all windows", Colors::YELLOW);
     Tests::killAllWindows();
+
+    OK(getFromSocket("/reload"));
+}
+
+static void test13349() {
+
+    // Test if dwindle properly uses a focal point to place a new window.
+    // exposed by #13349 as a regression from #12890
+
+    for (auto const& win : {"a", "b", "c"}) {
+        if (!Tests::spawnKitty(win)) {
+            NLog::log("{}Failed to spawn kitty with win class `{}`", Colors::RED, win);
+            ++TESTS_FAILED;
+            ret = 1;
+            return;
+        }
+    }
+
+    OK(getFromSocket("/dispatch focuswindow class:c"));
+
+    {
+        auto str = getFromSocket("/activewindow");
+        EXPECT_CONTAINS(str, "at: 967,547");
+        EXPECT_CONTAINS(str, "size: 931,511");
+    }
+
+    OK(getFromSocket("/dispatch movewindow l"));
+
+    {
+        auto str = getFromSocket("/activewindow");
+        EXPECT_CONTAINS(str, "at: 22,547");
+        EXPECT_CONTAINS(str, "size: 931,511");
+    }
+
+    OK(getFromSocket("/dispatch movewindow r"));
+
+    {
+        auto str = getFromSocket("/activewindow");
+        EXPECT_CONTAINS(str, "at: 967,547");
+        EXPECT_CONTAINS(str, "size: 931,511");
+    }
+
+    // clean up
+    NLog::log("{}Killing all windows", Colors::YELLOW);
+    Tests::killAllWindows();
 }
 
 static bool test() {
@@ -43,6 +88,9 @@ static bool test() {
     NLog::log("{}Testing float clamp", Colors::GREEN);
     testFloatClamp();
 
+    NLog::log("{}Testing #13349", Colors::GREEN);
+    test13349();
+
     // clean up
     NLog::log("Cleaning up", Colors::YELLOW);
     getFromSocket("/dispatch workspace 1");

src/layout/algorithm/tiled/dwindle/DwindleAlgorithm.cpp

@@ -100,16 +100,14 @@ void CDwindleAlgorithm::addTarget(SP<ITarget> target, bool newTarget) {
             OPENINGON = getClosestNode(MOUSECOORDS);
 
     } else if (*PUSEACTIVE) {
-        if (Desktop::focusState()->window() && !Desktop::focusState()->window()->m_isFloating && Desktop::focusState()->window() != target->window() &&
+        const auto ACTIVE_WINDOW = Desktop::focusState()->window();
-            Desktop::focusState()->window()->m_workspace == PWORKSPACE && Desktop::focusState()->window()->m_isMapped) {
-            OPENINGON = getNodeFromWindow(Desktop::focusState()->window());
-        } else {
-            OPENINGON = getNodeFromWindow(g_pCompositor->vectorToWindowUnified(MOUSECOORDS, Desktop::View::RESERVED_EXTENTS | Desktop::View::INPUT_EXTENTS));
-        }
 
-        if (!OPENINGON && g_pCompositor->isPointOnReservedArea(MOUSECOORDS, ACTIVE_MON))
+        if (!m_overrideFocalPoint && ACTIVE_WINDOW && !ACTIVE_WINDOW->m_isFloating && ACTIVE_WINDOW != target->window() && ACTIVE_WINDOW->m_workspace == PWORKSPACE &&
-            OPENINGON = getClosestNode(MOUSECOORDS);
+            ACTIVE_WINDOW->m_isMapped)
+            OPENINGON = getNodeFromWindow(ACTIVE_WINDOW);
 
+        if (!OPENINGON)
+            OPENINGON = getClosestNode(MOUSECOORDS, target);
     } else
         OPENINGON = getFirstNode();
 
@@ -635,10 +633,13 @@ SP<SDwindleNodeData> CDwindleAlgorithm::getFirstNode() {
     return m_dwindleNodesData.empty() ? nullptr : m_dwindleNodesData.at(0);
 }
 
-SP<SDwindleNodeData> CDwindleAlgorithm::getClosestNode(const Vector2D& point) {
+SP<SDwindleNodeData> CDwindleAlgorithm::getClosestNode(const Vector2D& point, SP<ITarget> skip) {
     SP<SDwindleNodeData> res         = nullptr;
     double               distClosest = -1;
     for (auto& n : m_dwindleNodesData) {
+        if (skip && n->pTarget == skip)
+            continue;
+
         if (n->pTarget && Desktop::View::validMapped(n->pTarget->window())) {
             auto distAnother = vecToRectDistanceSquared(point, n->box.pos(), n->box.pos() + n->box.size());
             if (!res || distAnother < distClosest) {

src/layout/algorithm/tiled/dwindle/DwindleAlgorithm.hpp

@@ -45,7 +45,7 @@ namespace Layout::Tiled {
         SP<SDwindleNodeData>    getNodeFromWindow(PHLWINDOW w);
         int                     getNodes();
         SP<SDwindleNodeData>    getFirstNode();
-        SP<SDwindleNodeData>    getClosestNode(const Vector2D&);
+        SP<SDwindleNodeData>    getClosestNode(const Vector2D&, SP<ITarget> skip = nullptr);
         SP<SDwindleNodeData>    getMasterNode();
 
         void                    toggleSplit(SP<SDwindleNodeData>);