Restore Dark

Helium-dark/gtk-3.0/install-dark-theme.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+set -eu
+
+theme_dir="${MESON_INSTALL_DESTDIR_PREFIX}/$1"
+project_name="$2"
+
+cd "$3"
+
+install -m755 -d "${theme_dir}"
+for ver in gtk-3.0; do
+  install -m755 -d "${theme_dir}/${ver}"
+  ln -sf "../../${project_name}/${ver}/gtk-dark.css" "${theme_dir}/${ver}/gtk.css"
+  cp -r "${project_name}/${ver}/gtk-dark.css" "${theme_dir}/${ver}/gtk-dark.css"
+done

Helium-dark/gtk-3.0/meson.build

@@ -0,0 +1,2 @@
+meson.add_install_script('install-dark-theme.sh', theme_dir, meson.project_name(), meson.project_build_root())
+gtk3_dark_dir = join_paths(theme_dir, 'gtk-3.0')

Helium-dark/gtk-4.0/install-dark-theme.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+set -eu
+
+theme_dir="${MESON_INSTALL_DESTDIR_PREFIX}/$1"
+project_name="$2"
+
+cd "$3"
+
+install -m755 -d "${theme_dir}"
+for ver in gtk-4.0; do
+  install -m755 -d "${theme_dir}/${ver}"
+  ln -sf "../../${project_name}/${ver}/gtk-dark.css" "${theme_dir}/${ver}/gtk.css"
+  ln -sf "../../${project_name}/${ver}/assets" "${theme_dir}/${ver}/assets"
+  # For the new dark theme switcher in GNOME 42+
+  cp -r "${project_name}/${ver}/gtk-dark.css" "${theme_dir}/${ver}/gtk-dark.css"
+done

Helium-dark/gtk-4.0/meson.build

@@ -0,0 +1,2 @@
+# CSS and assets are just symlinks to the light themes as they are not modified
+meson.add_install_script('install-dark-theme.sh', theme_dir, meson.project_name(), meson.project_build_root())

Helium-dark/meson.build

@@ -0,0 +1,17 @@
+theme_dir = join_paths(get_option('datadir'), 'themes', meson.project_name()+'-dark')
+
+conf_data = configuration_data()
+conf_data.set('ThemeName', meson.project_name())
+conf_data.set('VariantThemeName', meson.project_name()+'-dark')
+configure_file(input : '../index.theme.in',
+               output : 'index.theme',
+               configuration : conf_data,
+               install_dir: theme_dir)
+
+if get_option('gtk3')
+  subdir('gtk-3.0')
+endif
+
+if get_option('gtk4')
+  subdir('gtk-4.0')
+endif

meson.build

@@ -5,4 +5,8 @@ project('Helium',
 
 sass = find_program('sass')
 
-subdir('Helium')
+subdir('Helium')
+
+if get_option('dark')
+    subdir('Helium-dark')
+endif