hyprscrolling: fixed moveWindowTo behavior (#546)

* fixed incorrect index

* fixed broken conditional

* undoing idxForHeight change

Author: mwahstache

hyprscrolling/Scrolling.cpp

@@ -1445,8 +1445,8 @@ void CScrollingLayout::moveWindowTo(PHLWINDOW w, const std::string& dir, bool si
             NEWCOL->add(DATA);
             WS->centerOrFitCol(NEWCOL);
         } else {
-            if (COL->windowDatas.size() > 1 || DATA->column)
-                COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y) - 1);
+            if (COL->windowDatas.size() > 0)
+                COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y));
             else
                 COL->add(DATA);
             WS->centerOrFitCol(COL);
@@ -1462,8 +1462,8 @@ void CScrollingLayout::moveWindowTo(PHLWINDOW w, const std::string& dir, bool si
             NEWCOL->add(DATA);
             WS->centerOrFitCol(NEWCOL);
         } else {
-            if (COL->windowDatas.size() > 1 || DATA->column)
-                COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y) - 1);
+            if (COL->windowDatas.size() > 0)
+                COL->add(DATA, COL->idxForHeight(g_pInputManager->getMouseCoordsInternal().y));
             else
                 COL->add(DATA);
             WS->centerOrFitCol(COL);

hyprscrolling/Scrolling.hpp

@@ -35,6 +35,8 @@ struct SColumnData {
     void                                  remove(PHLWINDOW w);
     bool                                  has(PHLWINDOW w);
     size_t                                idx(PHLWINDOW w);
+
+    // index of lowest window that is above y.
     size_t                                idxForHeight(float y);
 
     void                                  up(SP<SScrollingWindowData> w);