fix: deal with floating point to clamp to prev value

src/managers/PointerManager.cpp

@@ -637,8 +637,11 @@ Vector2D CPointerManager::closestValid(const Vector2D& pos) {
         for (auto& b : currentMonitorLayout.monitorBoxes) {
             auto p = b.closestPoint(vec);
 
+            auto max_x = std::nextafter(b.x + b.w, b.x + b.w - 1);
+            auto max_y = std::nextafter(b.y + b.h, b.y + b.h - 1);
+
             // because closestPoint does clamp up to x + w and y + h
-            p = Vector2D{std::clamp(p.x, b.x, b.x + b.w - 1), std::clamp(p.y, b.y, b.y + b.h - 1)};
+            p = Vector2D{std::clamp(p.x, b.x, max_x), std::clamp(p.y, b.y, max_y)};
 
             auto distSq = p.distanceSq(vec);