From d67657d9700d9238c0533449f144504337a085aa Mon Sep 17 00:00:00 2001
From: caseymcc <caseymcc@krazer.net>
Date: Sun, 19 Aug 2018 09:41:03 -0500
Subject: [PATCH] hunterize imgui

---
 CMakeLists.txt          | 106 ++++++++++++++++++++++++++++++++++++++++
 cmake/Config.cmake.in   |   6 +++
 examples/CMakeLists.txt |   1 +
 3 files changed, 113 insertions(+)
 create mode 100644 CMakeLists.txt
 create mode 100644 cmake/Config.cmake.in
 create mode 100644 examples/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 000000000..f59af0dd9
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,106 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(imgui)
+set(IMGUI_VERSION "1.62")
+
+option(IMGUI_BUILD_EXAMPLES "Build imgui examples" OFF)
+
+# Introduce variables:
+# * CMAKE_INSTALL_LIBDIR
+# * CMAKE_INSTALL_BINDIR
+# * CMAKE_INSTALL_INCLUDEDIR
+include(GNUInstallDirs)
+set(IMGUI_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+
+set(IMGUI_HEADERS
+    imconfig.h
+    imgui.h
+    imgui_internal.h
+    stb_rect_pack.h
+    stb_textedit.h
+    stb_truetype.h
+)
+
+set(IMGUI_SOURCE
+    imgui.cpp
+    imgui_demo.cpp
+    imgui_draw.cpp
+)
+
+add_library(imgui INTERFACE)
+
+target_include_directories(imgui INTERFACE 
+    $<BUILD_INTERFACE:${IMGUI_SOURCE_DIR}>)
+
+set(IMGUI_BUILD_SOURCE)
+set(IMGUI_INTERFACE_SOURCE)
+foreach(SOURCE_FILE ${IMGUI_SOURCE})
+    set(IMGUI_BUILD_SOURCE ${IMGUI_BUILD_SOURCE} ${IMGUI_SOURCE_DIR}/${SOURCE_FILE})
+    set(IMGUI_INTERFACE_SOURCE ${IMGUI_INTERFACE_SOURCE} ${CMAKE_INSTALL_INCLUDEDIR}/${SOURCE_FILE})
+endforeach()
+
+target_sources(imgui INTERFACE 
+    $<BUILD_INTERFACE:${IMGUI_BUILD_SOURCE}>
+    $<INSTALL_INTERFACE:${IMGUI_INTERFACE_SOURCE}>
+)
+
+if(IMGUI_BUILD_EXAMPLES)
+    add_subdirectory(examples)
+endif()
+
+#Install imgui
+
+#install config path
+set(GENERATED_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated")
+set(INSTALL_CONFIGDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+set(VERSION_CONFIG "${GENERATED_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
+set(PROJECT_CONFIG "${GENERATED_DIR}/${PROJECT_NAME}Config.cmake")
+set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
+set(NAMESPACE "${PROJECT_NAME}::")
+
+#install header files
+install(FILES ${IMGUI_HEADERS} 
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+install(FILES ${IMGUI_SOURCE} 
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+
+#build and install project config
+include(CMakePackageConfigHelpers)
+configure_package_config_file(
+    "cmake/Config.cmake.in"
+    "${PROJECT_CONFIG}"
+    INSTALL_DESTINATION "${INSTALL_CONFIGDIR}"
+    PATH_VARS CMAKE_INSTALL_INCLUDEDIR
+)
+
+#build config version into bin directory
+write_basic_package_version_file(
+    "${VERSION_CONFIG}"
+    VERSION ${IMGUI_VERSION}
+    COMPATIBILITY AnyNewerVersion
+    
+)
+
+#install target
+install(
+    TARGETS imgui
+    EXPORT "${TARGETS_EXPORT_NAME}"
+    LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+
+#install files
+install(
+    FILES 
+        "${VERSION_CONFIG}"
+        "${PROJECT_CONFIG}"
+    DESTINATION ${INSTALL_CONFIGDIR}
+)
+
+install(
+    EXPORT "${TARGETS_EXPORT_NAME}"
+    NAMESPACE "${NAMESPACE}"
+    DESTINATION "${INSTALL_CONFIGDIR}"
+)
diff --git a/cmake/Config.cmake.in b/cmake/Config.cmake.in
new file mode 100644
index 000000000..a9ffb7271
--- /dev/null
+++ b/cmake/Config.cmake.in
@@ -0,0 +1,6 @@
+set(IMGUI_VERSION "@IMGUI_VERSION@")
+
+@PACKAGE_INIT@
+include("${CMAKE_CURRENT_LIST_DIR}/imguiTargets.cmake")
+
+check_required_components(imgui)
\ No newline at end of file
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
new file mode 100644
index 000000000..0cb6ec3d3
--- /dev/null
+++ b/examples/CMakeLists.txt
@@ -0,0 +1 @@
+#needs implementation
\ No newline at end of file