Update CMakeLists.txt

Author: raphaelscholle

src/CMakeLists.txt

@@ -242,6 +242,18 @@ if (WIN32)
         COMMAND ${CMAKE_COMMAND} -E copy_directory
             "${Qt5_DIR}/../../../qml/Qt/labs/settings" "${CMAKE_BINARY_DIR}/deploy/Qt/labs/settings")
 
+    # Ensure Qt Quick Controls 1/Dialogs are always staged. The Dialogs module
+    # depends on QtQuick.Controls 1.2 and its backing DLL, but windeployqt can
+    # miss them. Copy them explicitly so the NSIS script can bundle them.
+    add_custom_command(TARGET ${PROJECT_NAME}
+        POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            "${Qt5_DIR}/../../../bin/Qt5QuickControls.dll" "${CMAKE_BINARY_DIR}/deploy"
+        COMMAND ${CMAKE_COMMAND} -E copy_directory
+            "${Qt5_DIR}/../../../qml/QtQuick/Controls" "${CMAKE_BINARY_DIR}/deploy/QtQuick/Controls"
+        COMMAND ${CMAKE_COMMAND} -E copy_directory
+            "${Qt5_DIR}/../../../qml/QtQuick/Dialogs" "${CMAKE_BINARY_DIR}/deploy/QtQuick/Dialogs")
+
     add_custom_command(TARGET ${PROJECT_NAME}
         POST_BUILD
         COMMAND ${CMAKE_COMMAND} -E copy_if_different