#CMakeLists.txt file for compiling and running gtk3 applications on Debian 12 (Linux distro )

#CMakeLists.txt file for compiling and running gtk3  applications on  Debian 12 (Linux distro )

cmake_minimum_required(VERSION 3.10)
project(gtk3_examples C)

# Custom function to introduce a time delay
function(delay seconds)
    execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep ${seconds})
endfunction()

message(STATUS "Hello all this is GTK3 CMakeLists.txt file Written  By Mark David Harrington!")
delay(2)  # Delay for 2 seconds
message(STATUS "Im about to show you the power of CMake  right the way from compilation to exe to lauch ")
delay(2)  # Delay for 2 second

message(STATUS " Watch this  do all of this for you !! Worth learning this and spending time doing ")

delay(3)


# Set the flags passed to the compiler
set(CMAKE_C_FLAGS "-Wall -Wextra -Werror -rdynamic ${CMAKE_C_FLAGS}")

# Set the standard required by the compiler
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)

# Set the output directory for the build files
set(CMAKE_BINARY_DIR ${CMAKE_SOURCE_DIR}/build)
# Set the output directory for the debug exe files
set(CMAKE_DEBUG_DIR ${CMAKE_SOURCE_DIR}/debug)
# Set the executable path to the debug subdirectory
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_DEBUG_DIR})

# Find the GTK3 package
find_package(PkgConfig REQUIRED)
# Check if packages exist
pkg_check_modules(GTK3 REQUIRED gtk+-3.0)

# Set the include directories
include_directories(${GTK3_INCLUDE_DIRS})

# Set the source and include files directories
set(SOURCE_DIR ${CMAKE_SOURCE_DIR}/src)
set(INCLUDE_DIR ${CMAKE_SOURCE_DIR}/include)

# Get all C source files in the subdirectory
file(GLOB SOURCES ${SOURCE_DIR}/*.c)

# Get all header files in the include directory
file(GLOB HEADERS ${INCLUDE_DIR}/*.h)

# Add the source files and headers to the project
add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS})

# Link against the GTK3 libraries
target_link_libraries(${PROJECT_NAME} PRIVATE ${GTK3_LIBRARIES})

# Define the run command
add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
    COMMAND ${PROJECT_NAME}
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    COMMENT "Running ${PROJECT_NAME}"
)

# Create a custom target to run the project
add_custom_target(run
    COMMAND ${CMAKE_BINARY_DIR}/${PROJECT_NAME}
    DEPENDS ${PROJECT_NAME}
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    COMMENT "Running ${PROJECT_NAME}"
)