Rename remaining class files to lowercase

CMakeLists.txt

@@ -36,17 +36,17 @@ find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS I18n)
 
 add_executable(Redai)
 target_sources(Redai PRIVATE
-        src/ArtConfigWindow.cpp
-        src/ArtConfigWindow.h
-        src/ArtDetailWindow.cpp
-        src/ArtDetailWindow.h
-        src/ArtModel.cpp
-        src/ArtModel.h
+        src/artconfigwindow.cpp
+        src/artconfigwindow.h
+        src/artdetailwindow.cpp
+        src/artdetailwindow.h
+        src/artmodel.cpp
+        src/artmodel.h
         src/imagelabel.cpp
         src/imagelabel.h
         src/main.cpp
-        src/MainWindow.cpp
-        src/MainWindow.h)
+        src/mainwindow.cpp
+        src/mainwindow.h)
 target_link_libraries(Redai
     Qt5::Core
     Qt5::Gui

src/artconfigwindow.cpp

@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "ArtConfigWindow.h"
+#include "artconfigwindow.h"
 
 #include <KLocalizedString>
 #include <QFile>

src/artdetailwindow.cpp

@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "ArtDetailWindow.h"
+#include "artdetailwindow.h"
 #include "imagelabel.h"
 
 #include <KLocalizedString>

src/artmodel.cpp

@@ -2,7 +2,7 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "ArtModel.h"
+#include "artmodel.h"
 
 #include <KLocalizedString>
 #include <QDirIterator>

src/main.cpp

@@ -7,7 +7,7 @@
 #include <QCommandLineParser>
 #include <QDir>
 
-#include "MainWindow.h"
+#include "mainwindow.h"
 
 int main(int argc, char *argv[])
 {

src/mainwindow.cpp

@@ -2,16 +2,16 @@
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
-#include "MainWindow.h"
+#include "mainwindow.h"
 
 #include <KLocalizedString>
 #include <QHeaderView>
 #include <QMenuBar>
 #include <QTableView>
 
-#include "ArtConfigWindow.h"
-#include "ArtDetailWindow.h"
-#include "ArtModel.h"
+#include "artconfigwindow.h"
+#include "artdetailwindow.h"
+#include "artmodel.h"
 
 MainWindow::MainWindow(const QDir &definitionDirectory, const QDir &assetDirectory, const QDir &dataDirectory, QWidget *parent)
     : QMainWindow(parent)