From a1b7a5a53d66d6289f1a3036d1aa4daa965c363c Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Mon, 6 Nov 2023 17:00:37 +0000
Subject: [PATCH] layout: fix various rounding errors

maybe finally will end #3761
---
 src/layout/IHyprLayout.cpp  | 11 +++++++----
 src/layout/MasterLayout.cpp |  9 ++++++---
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/layout/IHyprLayout.cpp b/src/layout/IHyprLayout.cpp
index 22816716..274acb13 100644
--- a/src/layout/IHyprLayout.cpp
+++ b/src/layout/IHyprLayout.cpp
@@ -361,12 +361,15 @@ void IHyprLayout::onMouseMove(const Vector2D& mousePos) {
             else if (m_eGrabbedCorner == CORNER_BOTTOMLEFT)
                 newPos = newPos + Vector2D((m_vBeginDragSizeXY - newSize).x, 0);
 
+            CBox wb = {newPos, newSize};
+            wb.round();
+
             if (*PANIMATE) {
-                DRAGGINGWINDOW->m_vRealSize     = newSize;
-                DRAGGINGWINDOW->m_vRealPosition = newPos;
+                DRAGGINGWINDOW->m_vRealSize     = wb.size();
+                DRAGGINGWINDOW->m_vRealPosition = wb.pos();
             } else {
-                DRAGGINGWINDOW->m_vRealSize.setValueAndWarp(newSize);
-                DRAGGINGWINDOW->m_vRealPosition.setValueAndWarp(newPos);
+                DRAGGINGWINDOW->m_vRealSize.setValueAndWarp(wb.size());
+                DRAGGINGWINDOW->m_vRealPosition.setValueAndWarp(wb.pos());
             }
 
             g_pXWaylandManager->setWindowSize(DRAGGINGWINDOW, DRAGGINGWINDOW->m_vRealSize.goalv());
diff --git a/src/layout/MasterLayout.cpp b/src/layout/MasterLayout.cpp
index e29addfd..57784786 100644
--- a/src/layout/MasterLayout.cpp
+++ b/src/layout/MasterLayout.cpp
@@ -700,10 +700,13 @@ void CHyprMasterLayout::applyNodeDataToWindow(SMasterNodeData* pNode) {
 
         g_pXWaylandManager->setWindowSize(PWINDOW, wb.size());
     } else {
-        PWINDOW->m_vRealSize     = calcSize;
-        PWINDOW->m_vRealPosition = calcPos;
+        CBox wb = {calcPos, calcSize};
+        wb.round(); // avoid rounding mess
 
-        g_pXWaylandManager->setWindowSize(PWINDOW, calcSize);
+        PWINDOW->m_vRealPosition = wb.pos();
+        PWINDOW->m_vRealSize     = wb.size();
+
+        g_pXWaylandManager->setWindowSize(PWINDOW, wb.size());
     }
 
     if (m_bForceWarps && !*PANIMATE) {