fixing nix-shell attempt 1

default.nix

@@ -0,0 +1,92 @@
+{
+  stdenv,
+  lib,
+  # qtx11extras,
+  # qttools,
+  # kglobalaccel,
+  # kinit,
+  # kwin,
+  # kio,
+  # kguiaddons,
+  # kcoreaddons,
+  # systemsettings,
+  gcc,
+  gnumake,
+  clang,
+  cmake,
+  extra-cmake-modules,
+  pkg-config,
+  wrapQtAppsHook,
+  qtbase,
+  qt5Full,
+  clang-tools,
+  qttools,
+  qtquickcontrols2,
+  qtx11extras,
+  qtmultimedia,
+  kirigami2,
+  ki18n,
+  kcoreaddons,
+  mpv
+}:
+
+stdenv.mkDerivation rec {
+  pname = "Libre Presenter";
+  version = "0.0.0";
+
+  nativeBuildInputs = [
+    gcc
+    gnumake
+    clang
+    cmake
+    extra-cmake-modules
+    pkg-config
+    wrapQtAppsHook
+    # gccStdenv
+    # stdenv
+  ];
+
+  buildInputs = [
+    clang-tools
+    qt5Full
+    qttools
+    qtquickcontrols2
+    qtx11extras
+    qtmultimedia
+    kirigami2
+    ki18n
+    kcoreaddons
+    mpv
+    # libsForQt5.kconfig
+    # ffmpeg-full
+    # yt-dlp
+  ];
+
+  # preConfigure = ''
+  #   # local modulepath=$(kf5-config --install module)
+  #   # local datapath=$(kf5-config --install data)
+  #   # local servicespath=$(kf5-config --install services)
+  #   # substituteInPlace CMakeLists.txt \
+  #   #   --replace "\''${MODULEPATH}" "$out/''${modulepath#/nix/store/*/}" \
+  #   #   --replace "\''${DATAPATH}"   "$out/''${datapath#/nix/store/*/}"
+
+  #   # substituteInPlace CMakeLists.txt \
+  #   #   --replace "\''${MODULEPATH}" "$out/qt-5.15.3/plugins" \
+  #   #   --replace "\''${DATAPATH}"   "$out/share"
+  # '';
+
+  # postConfigure = ''
+  #   substituteInPlace cmake_install.cmake \
+  #     --replace "${kdelibs4support}" "$out"
+
+  # '';
+
+  meta = with lib; {
+    name = "Libre Presenter";
+    description = "A church presentation software made with QT/QML";
+    homepage = "";
+    license = licenses.gpl3;
+    maintainers = [ "chriscochrun" ];
+    platforms = platforms.all;
+  };
+}

shell.nix

@@ -16,7 +16,8 @@ mkShell {
   ];
 
   buildInputs = [
-    qt5.qtbase
+    clang-tools
+    qt5.full
     qt5.qttools
     qt5.qtquickcontrols2
     qt5.qtx11extras
@@ -36,12 +37,12 @@ mkShell {
   
   # This creates the proper qt env so that plugins are found right.
   shellHook = ''
-    setQtEnvironment=$(mktemp --suffix .setQtEnvironment.sh)
+    # setQtEnvironment=$(mktemp --suffix .setQtEnvironment.sh)
-    echo "shellHook: setQtEnvironment = $setQtEnvironment"
+    # echo "shellHook: setQtEnvironment = $setQtEnvironment"
-    makeWrapper "/bin/sh" "$setQtEnvironment" "''${qtWrapperArgs[@]}"
+    # makeWrapper "/bin/sh" "$setQtEnvironment" "''${qtWrapperArgs[@]}"
-    sed "/^exec/d" -i "$setQtEnvironment"
+    # sed "/^exec/d" -i "$setQtEnvironment"
-    source "$setQtEnvironment"
+    # source "$setQtEnvironment"
-    QT_QPA_PLATFORM_PLUGIN_PATH="${qt5.qtbase.bin}/lib/qt-${qt5.qtbase.version}/plugins";
+    # addToSearchPath QT_QPA_PLATFORM_PLUGIN_PATH="${qt5.qtbase.bin}/lib/qt-${qt5.qtbase.version}/plugins";
-    fish
+    # export QML2_IMPORT_PATH=${libsForQt5.kirigami2}/lib/${builtins.replaceStrings ["full-"] [""] qt5.full.name}/qml
   '';
 }

src/main.cpp

@@ -60,6 +60,7 @@ static void connectToDatabase() {
   db.setHostName("localhost");
   db.setDatabaseName(dbName);
   db.setUserName("presenter");
+  // TODO change password system before launch
   db.setPassword("i393jkf782djyr98302j");
   if (!db.open()) {
     qFatal("Cannot open database: %s", qPrintable(db.lastError().text()));
@@ -84,7 +85,7 @@ int main(int argc, char *argv[])
 #else
   QIcon::setFallbackThemeName("breeze");
   QQuickStyle::setStyle(QStringLiteral("org.kde.desktop"));
-  QQuickStyle::setFallbackStyle(QStringLiteral("breeze"));
+  QQuickStyle::setFallbackStyle(QStringLiteral("Default"));
 #endif
 
   QGuiApplication::setWindowIcon(QIcon::fromTheme(QStringLiteral("system-config-display")));