From 3c69ad28c62d37d0534a60a53c4e6b014e408c54 Mon Sep 17 00:00:00 2001
From: Dan Paulat <dpaulat@gmail.com>
Date: Sun, 20 Nov 2022 18:35:04 -0600
Subject: [PATCH] Add imgui dependency

---
 .gitmodules             |  3 +++
 external/CMakeLists.txt |  2 ++
 external/imgui          |  1 +
 external/imgui.cmake    | 24 ++++++++++++++++++++++++
 scwx-qt/scwx-qt.cmake   |  2 ++
 5 files changed, 32 insertions(+)
 create mode 160000 external/imgui
 create mode 100644 external/imgui.cmake

diff --git a/.gitmodules b/.gitmodules
index 6428f061..debb3932 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "data"]
 	path = data
 	url = ../supercell-wx-data
+[submodule "external/imgui"]
+	path = external/imgui
+	url = https://github.com/ocornut/imgui.git
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 7e7c320a..c1f00736 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -6,10 +6,12 @@ set_property(DIRECTORY
              PROPERTY CMAKE_CONFIGURE_DEPENDS
              freetype-gl.cmake
              hsluv-c.cmake
+             imgui.cmake
              mapbox-gl-native.cmake
              stb.cmake)
 
 include(freetype-gl.cmake)
 include(hsluv-c.cmake)
+include(imgui.cmake)
 include(mapbox-gl-native.cmake)
 include(stb.cmake)
diff --git a/external/imgui b/external/imgui
new file mode 160000
index 00000000..81160fee
--- /dev/null
+++ b/external/imgui
@@ -0,0 +1 @@
+Subproject commit 81160fee56027226bc80b48e196d0332f5541a8c
diff --git a/external/imgui.cmake b/external/imgui.cmake
new file mode 100644
index 00000000..8f6d4d82
--- /dev/null
+++ b/external/imgui.cmake
@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.20)
+set(PROJECT_NAME scwx-imgui)
+
+set(IMGUI_SOURCES imgui/imconfig.h
+                  imgui/imgui.cpp
+                  imgui/imgui.h
+                  imgui/imgui_demo.cpp
+                  imgui/imgui_draw.cpp
+                  imgui/imgui_internal.h
+                  imgui/imgui_tables.cpp
+                  imgui/imgui_widgets.cpp
+                  imgui/imstb_rectpack.h
+                  imgui/imstb_textedit.h
+                  imgui/imstb_truetype.h
+                  imgui/backends/imgui_impl_opengl3.cpp
+                  imgui/backends/imgui_impl_opengl3.h)
+
+add_library(imgui STATIC ${IMGUI_SOURCES})
+
+target_include_directories(imgui PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/imgui)
+
+set(IMGUI_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/imgui PARENT_SCOPE)
+
+set_target_properties(imgui PROPERTIES FOLDER imgui)
diff --git a/scwx-qt/scwx-qt.cmake b/scwx-qt/scwx-qt.cmake
index 5a9c74f8..b4163326 100644
--- a/scwx-qt/scwx-qt.cmake
+++ b/scwx-qt/scwx-qt.cmake
@@ -293,6 +293,7 @@ endif()
 
 target_include_directories(scwx-qt PUBLIC ${scwx-qt_SOURCE_DIR}/source
                                           ${FTGL_INCLUDE_DIR}
+                                          ${IMGUI_INCLUDE_DIR}
                                           ${MBGL_INCLUDE_DIR}
                                           ${STB_INCLUDE_DIR})
 
@@ -316,6 +317,7 @@ target_link_libraries(scwx-qt PUBLIC Qt${QT_VERSION_MAJOR}::Widgets
                                      freetype-gl
                                      GeographicLib::GeographicLib
                                      glm::glm
+                                     imgui
                                      SQLite::SQLite3
                                      wxdata)