Add GTK 4 Cubescape example

cmake/FindGTK4.cmake

@@ -0,0 +1,26 @@
+
+# GTK4::GTK4
+# GTK4_FOUND
+# GTK4_INCLUDE_DIRS
+# GTK4_LIBRARIES
+
+include(FindPackageHandleStandardArgs)
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(GTK4 QUIET IMPORTED_TARGET gtk4)
+
+set(GTK4_FOUND OFF)
+
+if(TARGET PkgConfig::GTK4)
+  set(GTK4_FOUND ON)
+
+  add_library(GTK4::GTK4 INTERFACE IMPORTED)
+
+  set_target_properties(GTK4::GTK4 PROPERTIES
+    INTERFACE_LINK_LIBRARIES PkgConfig::GTK4
+  )
+
+endif()
+
+find_package_handle_standard_args(GTK4 DEFAULT_MSG GTK4_FOUND)
+mark_as_advanced(GTK4_FOUND)

source/examples/CMakeLists.txt

@@ -12,4 +12,5 @@ add_subdirectory("cubescape-log")
 add_subdirectory("cubescape-wgl")
 add_subdirectory("cubescape-qt")
 add_subdirectory("cubescape-sdl")
-add_subdirectory("cubescape-gtk")
+add_subdirectory("cubescape-gtk3")
+add_subdirectory("cubescape-gtk4")

source/examples/cubescape-gtk/CMakeLists.txt → source/examples/cubescape-gtk3/CMakeLists.txt

@@ -12,11 +12,11 @@ find_package(cpplocate QUIET)
 # 
 
 # Target name
-set(target cubescape-gtk)
+set(target cubescape-gtk3)
 
 # Exit here if required dependencies are not met
 if (NOT TARGET GTK3::GTK3)
-    message("Example ${target} skipped: GTK+ 3 not found")
+    message("Example ${target} skipped: GTK 3 not found")
     return()
 endif()
 

source/examples/cubescape-gtk4/CMakeLists.txt

@@ -0,0 +1,148 @@
+
+# 
+# External dependencies
+# 
+
+find_package(GTK4 REQUIRED)
+find_package(cpplocate QUIET)
+
+
+# 
+# Executable name and options
+# 
+
+# Target name
+set(target cubescape-gtk4)
+
+# Exit here if required dependencies are not met
+if (NOT TARGET GTK4::GTK4)
+    message("Example ${target} skipped: GTK 4 not found")
+    return()
+endif()
+
+if (NOT cpplocate_FOUND)
+    message(STATUS "Example ${target}: using static data path (cpplocate not found)")
+else()
+    message(STATUS "Example ${target}")
+endif()
+
+
+# 
+# Sources
+# 
+
+set(sources
+    main.cpp
+    CubeScape.cpp
+    CubeScape.h
+    glutils.cpp
+    glutils.h
+    RawFile.cpp
+    RawFile.h
+)
+
+
+# 
+# Create executable
+# 
+
+# Build executable
+add_executable(${target}
+    MACOSX_BUNDLE
+    ${sources}
+)
+
+# Create namespaced alias
+add_executable(${META_PROJECT_NAME}::${target} ALIAS ${target})
+
+
+# 
+# Project options
+# 
+
+set_target_properties(${target}
+    PROPERTIES
+    ${DEFAULT_PROJECT_OPTIONS}
+    INSTALL_RPATH "${EXECUTABLE_INSTALL_RPATH}"
+    FOLDER "${IDE_FOLDER}"
+)
+
+
+# 
+# Include directories
+# 
+
+target_include_directories(${target}
+    PRIVATE
+    ${DEFAULT_INCLUDE_DIRECTORIES}
+    ${PROJECT_BINARY_DIR}/source/include
+    SYSTEM
+)
+
+
+# 
+# Libraries
+# 
+
+target_link_libraries(${target}
+    PRIVATE
+    ${DEFAULT_LIBRARIES}
+    GTK4::GTK4
+    ${META_PROJECT_NAME}::glbinding
+    ${META_PROJECT_NAME}::glbinding-aux
+    $<$<BOOL:${cpplocate_FOUND}>:cpplocate::cpplocate>
+)
+
+
+# 
+# Compile definitions
+# 
+
+target_compile_definitions(${target}
+    PRIVATE
+    ${DEFAULT_COMPILE_DEFINITIONS}
+    $<$<BOOL:${cpplocate_FOUND}>:cpplocate_FOUND>
+)
+
+
+# 
+# Compile options
+# 
+
+target_compile_options(${target}
+    PRIVATE
+    ${DEFAULT_COMPILE_OPTIONS_PRIVATE}
+    PUBLIC
+    ${DEFAULT_COMPILE_OPTIONS_PUBLIC}
+)
+
+
+# 
+# Linker options
+# 
+
+target_link_libraries(${target}
+    PRIVATE
+    ${DEFAULT_LINKER_OPTIONS}
+)
+
+
+#
+# Target Health
+#
+
+perform_health_checks(
+    ${target}
+    ${sources}
+)
+
+
+# 
+# Deployment
+# 
+
+# Executable
+install(TARGETS ${target}
+    RUNTIME DESTINATION ${INSTALL_EXAMPLES} COMPONENT examples_sdl
+    BUNDLE  DESTINATION ${INSTALL_EXAMPLES} COMPONENT examples_sdl
+)