dwindle: add better automatic window drag and drop direction detection (#9704)

1 files changed, 25 insertions, 1 deletions

diff --git a/src/layout/IHyprLayout.cpp b/src/layout/IHyprLayout.cpp
index 8d32e44e..93b09c87 100644
--- a/src/layout/IHyprLayout.cpp
+++ b/src/layout/IHyprLayout.cpp
@@ -362,9 +362,33 @@ void IHyprLayout::onEndDragWindow() {
     }
 
     if (DRAGGINGWINDOW->m_draggingTiled) {
+        static auto PPRECISEMOUSE    = CConfigValue<Hyprlang::INT>("dwindle:precise_mouse_move");
         DRAGGINGWINDOW->m_isFloating = false;
         g_pInputManager->refocus();
-        changeWindowFloatingMode(DRAGGINGWINDOW);
+
+        if (*PPRECISEMOUSE) {
+            eDirection      direction = DIRECTION_DEFAULT;
+
+            const auto      MOUSECOORDS      = g_pInputManager->getMouseCoordsInternal();
+            const PHLWINDOW pReferenceWindow = g_pCompositor->vectorToWindowUnified(MOUSECOORDS, RESERVED_EXTENTS | INPUT_EXTENTS | ALLOW_FLOATING, DRAGGINGWINDOW);
+
+            if (pReferenceWindow && pReferenceWindow != DRAGGINGWINDOW) {
+                const Vector2D draggedCenter   = DRAGGINGWINDOW->m_realPosition->goal() + DRAGGINGWINDOW->m_realSize->goal() / 2.f;
+                const Vector2D referenceCenter = pReferenceWindow->m_realPosition->goal() + pReferenceWindow->m_realSize->goal() / 2.f;
+                const float    xDiff           = draggedCenter.x - referenceCenter.x;
+                const float    yDiff           = draggedCenter.y - referenceCenter.y;
+
+                if (fabs(xDiff) > fabs(yDiff))
+                    direction = xDiff < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;
+                else
+                    direction = yDiff < 0 ? DIRECTION_UP : DIRECTION_DOWN;
+            }
+
+            onWindowRemovedTiling(DRAGGINGWINDOW);
+            onWindowCreatedTiling(DRAGGINGWINDOW, direction);
+        } else
+            changeWindowFloatingMode(DRAGGINGWINDOW);
+
         DRAGGINGWINDOW->m_lastFloatingSize = m_draggingWindowOriginalFloatSize;
     }