add shaders for bars, remove waterfall

CMakeLists.txt

@@ -5,7 +5,7 @@ set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # ── Find Qt6 ─────────────────────────────────────────────────────────────────
-find_package(Qt6 REQUIRED COMPONENTS Widgets Multimedia)
+find_package(Qt6 REQUIRED COMPONENTS Widgets Multimedia OpenGL OpenGLWidgets)
 
 # ── Find FFmpeg via pkg-config ───────────────────────────────────────────────
 find_package(PkgConfig REQUIRED)
@@ -16,10 +16,11 @@ pkg_check_modules(FFMPEG REQUIRED IMPORTED_TARGET
     libswresample
 )
 
-# Auto-generate MOC files from Q_OBJECT headers
+# Auto-generate MOC, and now also RCC for resource files
 set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
 
-# ── Sources (all located in src/ relative to this file) ──────────────────────
+# ── Sources ──────────────────────────────────────────────────────────────────
 set(SOURCES
     src/main.cpp
     src/MetadataReader.cpp
@@ -28,6 +29,7 @@ set(SOURCES
     src/MusicLibrary.cpp
     src/CoverArtWidget.cpp
     src/SpectrogramWidget.cpp
+    src/GradientDialog.cpp
     src/EqualizerWidget.cpp
     src/TrackDelegate.cpp
     src/PlaylistModel.cpp
@@ -42,22 +44,26 @@ set(HEADERS
     src/MusicLibrary.h
     src/CoverArtWidget.h
     src/SpectrogramWidget.h
+    src/GradientDialog.h
     src/EqualizerWidget.h
     src/TrackDelegate.h
     src/PlaylistModel.h
     src/MainWindow.h
 )
 
-add_executable(SubWave ${SOURCES} ${HEADERS})
+set(RESOURCES src/shaders.qrc)
+
+add_executable(SubWave ${SOURCES} ${HEADERS} ${RESOURCES})
 
-# ── Link libraries ───────────────────────────────────────────────────────────
 target_link_libraries(SubWave PRIVATE
     Qt6::Widgets
     Qt6::Multimedia
+    Qt6::OpenGL
+    Qt6::OpenGLWidgets
     PkgConfig::FFMPEG
 )
 
-# ── (Optional) Copy FFmpeg shared libs next to the binary on Windows ─────────
+# ── Copy FFmpeg shared libs next to the binary on Windows ────────────────────
 if(WIN32)
     add_custom_command(TARGET SubWave POST_BUILD
         COMMAND ${CMAKE_COMMAND} -E copy_if_different