From 20989b89af18c9d3e26de1c8bd50a8f43fed19b4 Mon Sep 17 00:00:00 2001
From: Thomas Debesse <dev@illwieckz.net>
Date: Fri, 19 Feb 2021 11:28:12 +0100
Subject: [PATCH] macos: support for macOS-like GTK theme with light and dark
 variant selection

---
 CMakeLists.txt         | 27 ++++++++++++++++++++++++++-
 easy-builder           |  2 +-
 setup/apple/netradiant | 14 ++++++++++++++
 3 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e083638..5ff959dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,12 @@ set(BUILTINS_LIB_DIR "${BUILTINS_INSTALL_DIR}/lib")
 set(BUILTINS_PKGCONFIG_DIR "${BUILTINS_INSTALL_DIR}/lib/pkgconfig")
 
 option(BUILTIN_GTKGLEXT "Builtin GtkGLExt" OFF)
+option(BUILTIN_GTKTHEME_MOJAVE "Builtin Mojave GTK theme" OFF)
+
+if (APPLE)
+	set(BUILTIN_GTKGLEXT ON)
+	set(BUILTIN_GTKTHEME_MOJAVE ON)
+endif ()
 
 set(BUILTIN_GTKGLEXT_BUILT OFF CACHE INTERNAL "...")
 if (EXISTS "${BUILTINS_INSTALL_DIR}/lib/pkgconfig/gtkglext-1.0.pc")
@@ -334,9 +340,11 @@ endif ()
 
 add_custom_target(builtins)
 
-if (BUILTIN_GTKGLEXT)
+if (BUILTIN_GTKGLEXT OR BUILTIN_GTKTHEME_MOJAVE)
     include(${CMAKE_ROOT}/Modules/ExternalProject.cmake)
+endif ()
 
+if (BUILTIN_GTKGLEXT)
     execute_process(COMMAND pkg-config --libs gdk-2.0 gtk+-2.0 glib-2.0 gl
         OUTPUT_VARIABLE GTKGLEXT_LDFLAGS
         OUTPUT_STRIP_TRAILING_WHITESPACE
@@ -379,6 +387,19 @@ if (BUNDLE_LIBRARIES AND EXISTS ${BUILTINS_LIB_DIR})
     set(CMAKE_SKIP_BUILD_RPATH ON)
 endif()
 
+if (BUILTIN_GTKTHEME_MOJAVE)
+	ExternalProject_Add(gtktheme-mojave
+        GIT_REPOSITORY https://github.com/vinceliuice/Mojave-gtk-theme.git
+        GIT_TAG master
+        BUILD_IN_SOURCE ON
+        CONFIGURE_COMMAND echo
+        BUILD_COMMAND echo
+        INSTALL_COMMAND ./install.sh -o standard -a standard -s standard -i standard -d "${PROJECT_BINARY_DIR}/themes"
+    )
+    add_dependencies(builtins gtktheme-mojave)
+    set_target_properties(gtktheme-mojave PROPERTIES EXCLUDE_FROM_ALL ON)
+endif ()
+
 #-----------------------------------------------------------------------
 # Libraries
 #-----------------------------------------------------------------------
@@ -511,6 +532,10 @@ if (APPLE)
         setup/apple/Contents
         DESTINATION ${APPLE_INSTALL_PREFIX}
     )
+    install(DIRECTORY
+    ${PROJECT_BINARY_DIR}/themes
+        DESTINATION ${APPLE_INSTALL_PREFIX}/Contents/Prefix/share
+    )
     install(PROGRAMS
         setup/apple/netradiant
         DESTINATION ${APPLE_INSTALL_PREFIX}/Contents/MacOS
diff --git a/easy-builder b/easy-builder
index 4dbb393f..fb7cabc8 100755
--- a/easy-builder
+++ b/easy-builder
@@ -83,7 +83,7 @@ done
 
 case "$(uname -s)" in
 	'Darwin')
-		cmake_user_opts[${#cmake_user_opts[@]}]='-DBUILTIN_GTKGLEXT=ON'
+		cmake_user_opts[${#cmake_user_opts[@]}]='-DBUILTIN_GTKGLEXT=ON -DBUILTIN_GTKTHEME_MOJAVE=ON'
 		;;
 esac
 
diff --git a/setup/apple/netradiant b/setup/apple/netradiant
index 9e27101d..782f013f 100755
--- a/setup/apple/netradiant
+++ b/setup/apple/netradiant
@@ -35,4 +35,18 @@ then
 	export GTK_PATH="${bundle_dir}"
 fi
 
+if [ "$(defaults read -g AppleInterfaceStyle 2>/dev/null)" = 'Dark' ]
+then
+	color='dark'
+else
+	color='light'
+fi
+
+gtkrc_file="${bundle_dir}/share/themes/Mojave-${color}/gtk-2.0/gtkrc"
+
+if [ -f "${gtkrc_file}" ]
+then
+	export GTK2_RC_FILES="${gtkrc_file}"
+fi
+
 ./netradiant &
-- 
2.39.2