Adjusted project to better accomodate for non-FHS-compliant systems

CMakeLists.txt

@@ -1,9 +1,45 @@
-cmake_minimum_required(VERSION 3.10.0)
+cmake_minimum_required(VERSION 3.16)
-project(hyprland-toggle-tiling VERSION 1.4.1 LANGUAGES C CXX)
 
+project(hyprland-toggle-tiling
+    VERSION 1.4.2
+    LANGUAGES CXX
+)
+
+include(GNUInstallDirs)
 include(FetchContent)
-FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.12.0/json.tar.xz)
+
-FetchContent_MakeAvailable(json)
+# --------------------------------------------------
+# Dependency handling
+# --------------------------------------------------
+
+option(USE_SYSTEM_JSON
+    "Use system-installed nlohmann_json instead of fetching"
+    OFF
+)
+
+if(USE_SYSTEM_JSON)
+    find_package(nlohmann_json CONFIG REQUIRED)
+else()
+    # Try system package first silently
+    find_package(nlohmann_json CONFIG QUIET)
+
+    if(NOT nlohmann_json_FOUND)
+        message(STATUS "nlohmann_json not found, fetching from GitHub")
+
+        FetchContent_Declare(
+            nlohmann_json
+            URL https://github.com/nlohmann/json/releases/download/v3.12.0/json.tar.xz
+        )
+
+        FetchContent_MakeAvailable(nlohmann_json)
+    else()
+        message(STATUS "Using system nlohmann_json")
+    endif()
+endif()
+
+# --------------------------------------------------
+# Executable
+# --------------------------------------------------
 
 add_executable(htt
     src/main.cpp
@@ -12,6 +48,22 @@ add_executable(htt
     src/ShellService.cpp
     src/FileService.cpp
     src/WindowRule.cpp
-	src/Client.cpp)
+    src/Client.cpp
-target_link_libraries(htt PRIVATE nlohmann_json::nlohmann_json)
+)
-target_include_directories(htt PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+
+target_compile_features(htt PRIVATE cxx_std_17)
+
+target_link_libraries(htt
+    PRIVATE
+        nlohmann_json::nlohmann_json
+)
+
+target_include_directories(htt PRIVATE ${PROJECT_SOURCE_DIR}/src)
+
+# --------------------------------------------------
+# Install
+# --------------------------------------------------
+
+install(TARGETS htt
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

include/Macros.hpp

@@ -1,9 +1,9 @@
 #ifndef MACROS_H
 #define MACROS_H
 
-#define HYPRCTL_BINARY "/usr/bin/hyprctl"
+#define HYPRCTL_BINARY "hyprctl"
 #define NULL_PATH "/dev/null"
-#define ECHO_PATH "/usr/bin/echo"
+#define ECHO_PATH "echo"
-#define CAT_PATH "/usr/bin/cat"
+#define CAT_PATH "cat"
 
 #endif