clean structure

CMakeLists.txt

@@ -26,20 +26,21 @@ pkg_check_modules(FFTW REQUIRED IMPORTED_TARGET fftw3)
 # sources
 set(SOURCES
     src/main.cpp
-    src/MetadataReader.cpp
-    src/Config.cpp
-    src/MusicLibrary.cpp
-    src/CoverArtWidget.cpp
-    src/SpectrogramWidget.cpp
-    src/GradientDialog.cpp
-    src/EqualizerWidget.cpp
-    src/TrackDelegate.cpp
-    src/MainWindow.cpp
+    src/config/Config.cpp
+
+    src/gui/CoverArtWidget.cpp
+    src/gui/SpectrogramWidget.cpp
+    src/gui/GradientDialog.cpp
+    src/gui/EqualizerWidget.cpp
+    src/gui/TrackDelegate.cpp
+    src/gui/MainWindow.cpp
 
     # engine
     src/engine/AudioEngine.cpp
     src/engine/EqProcessor.cpp
     src/engine/SpectrumAnalyzer.cpp
+    src/engine/MusicLibrary.cpp
+    src/engine/MetadataReader.cpp
 
     # ffmpeg
     src/engine/ffmpeg/FormatContext.cpp
@@ -55,22 +56,23 @@ set(SOURCES
 )
 
 set(HEADERS
-    src/Track.h
-    src/MetadataReader.h
-    src/Config.h
-    src/MusicLibrary.h
-    src/CoverArtWidget.h
-    src/SpectrogramWidget.h
-    src/GradientDialog.h
-    src/EqualizerWidget.h
-    src/TrackDelegate.h
-    src/MainWindow.h
+    src/config/Config.h
+
+    src/gui/CoverArtWidget.h
+    src/gui/SpectrogramWidget.h
+    src/gui/GradientDialog.h
+    src/gui/EqualizerWidget.h
+    src/gui/TrackDelegate.h
+    src/gui/MainWindow.h
 
     # engine
     src/engine/AudioEngine.h
     src/engine/EqProcessor.h
     src/engine/SpectrumAnalyzer.h
     src/engine/AudioBuffer.h
+    src/engine/Track.h
+    src/engine/MetadataReader.h
+    src/engine/MusicLibrary.h
 
     # ffmpeg wrapper
     src/engine/ffmpeg/FormatContext.h
@@ -97,9 +99,11 @@ add_executable(SubWave ${SOURCES} ${HEADERS} ${RESOURCES})
 # headers
 target_include_directories(SubWave PRIVATE
     src
+    src/config
     src/engine
     src/engine/ffmpeg
     src/playlists
+    src/gui
 )
 
 # link to qt and ffmpeg and fftw