From c58ff8e37ca7646a4f9dfe0fc3a7e9bf35130c20 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Mon, 23 Jan 2023 16:21:58 -0500
Subject: [PATCH] GUI: don't draw at all when minimized

---
 extern/imgui_patched/backends/imgui_impl_sdl.cpp | 3 ---
 src/gui/gui.cpp                                  | 5 +++++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/extern/imgui_patched/backends/imgui_impl_sdl.cpp b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
index 60094c33f..ac7a674ea 100644
--- a/extern/imgui_patched/backends/imgui_impl_sdl.cpp
+++ b/extern/imgui_patched/backends/imgui_impl_sdl.cpp
@@ -710,9 +710,6 @@ void ImGui_ImplSDL2_NewFrame()
         platform_io.Monitors[0].DpiScale=(float)display_w/(float)w;
     }
 
-    logV("io.DisplaySize: %f, %f",io.DisplaySize.x,io.DisplaySize.y);
-    logV("io.DisplayFramebufferScale: %f, %f",io.DisplayFramebufferScale.x,io.DisplayFramebufferScale.y);
-
     // Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution)
     static Uint64 frequency = SDL_GetPerformanceFrequency();
     Uint64 current_time = SDL_GetPerformanceCounter();
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 9fe9d1222..9fa58f0e6 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -3413,6 +3413,11 @@ bool FurnaceGUI::loop() {
 
     eventTimeEnd=SDL_GetPerformanceCounter();
 
+    if (SDL_GetWindowFlags(sdlWin)&SDL_WINDOW_MINIMIZED) {
+      SDL_Delay(100);
+      continue;
+    }
+
     layoutTimeBegin=SDL_GetPerformanceCounter();
 
     ImGui_ImplSDLRenderer_NewFrame();