Switch from QMake to CMake with buildcore

CMakeLists.txt

@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.19)
+set(CMAKE_POLICY_DEFAULT_CMP0110 NEW) # requires CMake 3.19
+
+project(SlideController)
+
+include(deps/buildcore/base.cmake)
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
+
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} ${QTDIR})
+
+if(NOT MSVC)
+	# enable warnings
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wsign-conversion")
+endif()
+
+set(CMAKE_INSTALL_RPATH "$ORIGIN" "$ORIGIN/../")
+if(QTDIR)
+	set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_RPATH} "${QTDIR}/lib")
+endif()
+set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
+
+add_subdirectory(src)