Fix build w/ Qt 6.10

Thanks-to: Pacho Ramos <pacho@gentoo.org>
---
 CMakeLists.txt                              |  9 ++++--
 src/decoration/qgnomeplatformdecoration.cpp | 32 +++++++++++++++++++++
 2 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b3cc3b3..7dbd3b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,9 +39,9 @@ find_package(Qt${QT_VERSION_MAJOR} ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
     QuickControls2
 )
 
-find_package(Qt${QT_VERSION_MAJOR}Gui ${QT_MIN_VERSION} CONFIG REQUIRED Private)
-
-if (NOT USE_QT6)
+if (USE_QT6)
+    find_package(Qt${QT_VERSION_MAJOR}GuiPrivate ${QT_MIN_VERSION} CONFIG REQUIRED)
+else()
     find_package(Qt${QT_VERSION_MAJOR}ThemeSupport REQUIRED)
 endif()
 
@@ -72,6 +72,9 @@ if (DISABLE_DECORATION_SUPPORT)
     message(STATUS "Disabling Qt Wayland decoration support")
 else()
     find_package(Qt${QT_VERSION_MAJOR}WaylandClient ${QT_MIN_VERSION} CONFIG REQUIRED)
+    if (USE_QT6)
+        find_package(Qt${QT_VERSION_MAJOR}WaylandClientPrivate ${QT_MIN_VERSION} CONFIG REQUIRED)
+    endif()
     set_package_properties(Qt${QT_VERSION_MAJOR}WaylandClient PROPERTIES
         DESCRIPTION "Qt Wayland decoration support"
         PURPOSE "Required for QGnomePlatform decoration plugin"
diff --git a/src/decoration/qgnomeplatformdecoration.cpp b/src/decoration/qgnomeplatformdecoration.cpp
index bb32acf..810279e 100644
--- a/src/decoration/qgnomeplatformdecoration.cpp
+++ b/src/decoration/qgnomeplatformdecoration.cpp
@@ -689,19 +689,31 @@ void QGnomePlatformDecoration::processMouseTop(QWaylandInputDevice *inputDevice,
         if (local.x() <= margins().left()) {
             // top left bit
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SizeBDiagCursor);
+#else
             waylandWindow()->setMouseCursor(inputDevice, Qt::SizeFDiagCursor);
+#endif
 #endif
             startResize(inputDevice, Qt::TopEdge | Qt::LeftEdge, b);
         } else if (local.x() > surfaceRect.right() - margins().left()) {
             // top right bit
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
             waylandWindow()->setMouseCursor(inputDevice, Qt::SizeBDiagCursor);
+#endif
 #endif
             startResize(inputDevice, Qt::TopEdge | Qt::RightEdge, b);
         } else {
             // top resize bit
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
             waylandWindow()->setMouseCursor(inputDevice, Qt::SplitVCursor);
+#endif
 #endif
             startResize(inputDevice, Qt::TopEdge, b);
         }
@@ -747,19 +759,31 @@ void QGnomePlatformDecoration::processMouseBottom(QWaylandInputDevice *inputDevi
     if (local.x() <= margins().left()) {
         // bottom left bit
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
         waylandWindow()->setMouseCursor(inputDevice, Qt::SizeBDiagCursor);
+#endif
 #endif
         startResize(inputDevice, Qt::BottomEdge | Qt::LeftEdge, b);
     } else if (local.x() > window()->width() + margins().right()) {
         // bottom right bit
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
         waylandWindow()->setMouseCursor(inputDevice, Qt::SizeFDiagCursor);
+#endif
 #endif
         startResize(inputDevice, Qt::BottomEdge | Qt::RightEdge, b);
     } else {
         // bottom bit
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
         waylandWindow()->setMouseCursor(inputDevice, Qt::SplitVCursor);
+#endif
 #endif
         startResize(inputDevice, Qt::BottomEdge, b);
     }
@@ -770,7 +794,11 @@ void QGnomePlatformDecoration::processMouseLeft(QWaylandInputDevice *inputDevice
     Q_UNUSED(local)
     Q_UNUSED(mods)
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
     waylandWindow()->setMouseCursor(inputDevice, Qt::SplitHCursor);
+#endif
 #endif
     startResize(inputDevice, Qt::LeftEdge, b);
 }
@@ -780,7 +808,11 @@ void QGnomePlatformDecoration::processMouseRight(QWaylandInputDevice *inputDevic
     Q_UNUSED(local)
     Q_UNUSED(mods)
 #if QT_CONFIG(cursor)
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 10, 0))
+            waylandWindow()->applyCursor(inputDevice, Qt::SplitVCursor);
+#else
     waylandWindow()->setMouseCursor(inputDevice, Qt::SplitHCursor);
+#endif
 #endif
     startResize(inputDevice, Qt::RightEdge, b);
 }
-- 
2.52.0