Initial bass-manage Qt Quick / Kirigami control panel.

PipeWire LFE/center mix UI with live pw-cli controls and conf save/reload.

CMakeLists.txt

@@ -0,0 +1,31 @@
+cmake_minimum_required(VERSION 3.16)
+project(bass-manage VERSION 1.0 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_AUTOMOC ON)
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Qml Quick QuickControls2)
+
+qt_add_executable(bass-manage-gui
+    src/main.cpp
+    src/backend.cpp
+    src/backend.h
+)
+
+target_compile_definitions(bass-manage-gui PRIVATE
+    BASS_MANAGE_SOURCE_DIR="${CMAKE_SOURCE_DIR}"
+)
+
+target_link_libraries(bass-manage-gui PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Qml
+    Qt6::Quick
+    Qt6::QuickControls2
+)
+
+include(GNUInstallDirs)
+install(TARGETS bass-manage-gui RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(DIRECTORY qml icons DESTINATION ${CMAKE_INSTALL_DATADIR}/bass-manage)
+install(FILES bass-manage-gui.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications)