cmake_minimum_required(VERSION 3.1.0)

project(sway C)

set(FALLBACK_CONFIG_DIR "/etc/sway" CACHE PATH
  "Fallback config directory defaults to /etc/sway")
add_definitions(-DFALLBACK_CONFIG_DIR=\"${FALLBACK_CONFIG_DIR}\")

set(CMAKE_C_FLAGS "-g")
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
add_definitions(
    -D_GNU_SOURCE
)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wextra")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter")

list(INSERT CMAKE_MODULE_PATH 0
	${CMAKE_CURRENT_SOURCE_DIR}/CMake
)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git)
	execute_process(
		COMMAND git describe --always
		OUTPUT_VARIABLE GIT_COMMIT_HASH
		OUTPUT_STRIP_TRAILING_WHITESPACE
		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
	)
	execute_process(
		COMMAND git rev-parse --abbrev-ref HEAD
		OUTPUT_VARIABLE GIT_BRANCH
		OUTPUT_STRIP_TRAILING_WHITESPACE
		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
	)
endif()

add_definitions(-DSWAY_GIT_VERSION=\"${GIT_COMMIT_HASH}\")
add_definitions(-DSWAY_GIT_BRANCH=\"${GIT_BRANCH}\")

string(TIMESTAMP CURRENT_DATE "%Y-%m-%d" UTC)
add_definitions(-DSWAY_VERSION_DATE=\"${CURRENT_DATE}\")

option(enable-swaylock "Enables the swaylock utility" YES)
option(enable-swaybg "Enables the wallpaper utility" YES)
option(enable-swaybar "Enables the swaybar utility" YES)
option(enable-swaygrab "Enables the swaygrab utility" YES)
option(enable-swaymsg "Enables the swaymsg utility" YES)

find_package(JsonC REQUIRED)
find_package(PCRE REQUIRED)
find_package(WLC REQUIRED)
find_package(Wayland REQUIRED)
find_package(XKBCommon REQUIRED)
find_package(Cairo)
find_package(Pango)
find_package(GdkPixbuf)
find_package(PAM)

include(FeatureSummary)
include(Manpage)

include_directories(include)

add_subdirectory(protocols)
add_subdirectory(common)
add_subdirectory(wayland)

add_subdirectory(sway)
if(enable-swaybg)
  if(CAIRO_FOUND AND PANGO_FOUND AND GDK_PIXBUF_FOUND)
    add_subdirectory(swaybg)
  else()
    message(WARNING "Not building swaybg - cairo, pango, and gdk-pixbuf are required.")
  endif()
endif()
if(enable-swaymsg)
  add_subdirectory(swaymsg)
endif()
if(enable-swaygrab)
  add_subdirectory(swaygrab)
endif()
if(enable-swaybar)
  if(CAIRO_FOUND AND PANGO_FOUND AND GDK_PIXBUF_FOUND)
    add_subdirectory(swaybar)
  else()
    message(WARNING "Not building swaybar - cairo, pango, and gdk-pixbuf are required.")
  endif()
endif()
if(enable-swaylock)
  if(CAIRO_FOUND AND PANGO_FOUND AND GDK_PIXBUF_FOUND AND PAM_FOUND)
    add_subdirectory(swaylock)
  else()
    message(WARNING "Not building swaylock - cairo, pango, gdk-pixbuf, and PAM are required.")
  endif()
endif()

install(
	FILES ${CMAKE_CURRENT_SOURCE_DIR}/sway.desktop
	DESTINATION share/wayland-sessions
	COMPONENT data
)

feature_summary(WHAT ALL)