From 863a45f071bccb15af5933e4cffb1994067be302 Mon Sep 17 00:00:00 2001
From: Yuki Nishidate <asta18425@gmail.com>
Date: Sun, 14 Jul 2024 18:12:35 +0900
Subject: [PATCH] Support default imgui.ini

---
 include/reactive/App.hpp | 4 +++-
 src/App.cpp              | 7 +++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/reactive/App.hpp b/include/reactive/App.hpp
index bd222fd..6c85759 100644
--- a/include/reactive/App.hpp
+++ b/include/reactive/App.hpp
@@ -62,7 +62,9 @@ struct AppCreateInfo {
     ArrayProxy<Layer> layers;
     ArrayProxy<Extension> extensions;
 
+    // UI
     UIStyle style = UIStyle::Vulkan;
+    const char* imguiIniFile = nullptr;
 };
 
 class App {
@@ -97,7 +99,7 @@ class App {
                     ArrayProxy<Extension> requiredExtensions,
                     bool vsync);
 
-    void initImGui(UIStyle style);
+    void initImGui(UIStyle style, const char* imguiIniFile);
 
     void listSurfaceFormats();
 
diff --git a/src/App.cpp b/src/App.cpp
index 1076644..d89b798 100644
--- a/src/App.cpp
+++ b/src/App.cpp
@@ -19,7 +19,7 @@ App::App(const AppCreateInfo& createInfo) {
     Window::init(createInfo.width, createInfo.height, createInfo.title, createInfo.windowResizable);
     Window::setAppPointer(this);
     initVulkan(createInfo.layers, createInfo.extensions, createInfo.vsync);
-    initImGui(createInfo.style);
+    initImGui(createInfo.style, createInfo.imguiIniFile);
 }
 
 void App::run() {
@@ -306,12 +306,15 @@ void setImGuiStyle(UIStyle style) {
     // clang-format on
 }
 
-void App::initImGui(UIStyle style) {
+void App::initImGui(UIStyle style, const char* imguiIniFile) {
     // Setup Dear ImGui context
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
     ImGuiIO& io = ImGui::GetIO();
     io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+    if (imguiIniFile) {
+        io.IniFilename = imguiIniFile;
+    }
     setImGuiStyle(style);
 
     // Setup Platform/Renderer backends