From 3dbf4f225516910575d10cc907cdeda54b7e5a85 Mon Sep 17 00:00:00 2001
From: oxmox <oxmox@noreply.localhost>
Date: Sun, 12 Feb 2023 16:12:01 +0100
Subject: [PATCH] custom imgui window title!

---
 src/doompanning.cc | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/src/doompanning.cc b/src/doompanning.cc
index 5f257a9..3ca24b0 100644
--- a/src/doompanning.cc
+++ b/src/doompanning.cc
@@ -4,6 +4,8 @@
 #include <backends/imgui_impl_sdlrenderer.h>
 #include <SDL.h>
 
+#include <array>
+#include <cstdio>
 #include <cstdlib>
 #include <type_traits>
 #include <vector>
@@ -35,11 +37,6 @@ struct ControllerContext
 
 void show_ui(ControllerContext *ctx)
 {
-    const ImGuiViewport* main_viewport = ImGui::GetMainViewport();
-    ImGui::SetNextWindowPos(ImVec2(main_viewport->WorkPos.x + 20, main_viewport->WorkPos.y + 20), ImGuiCond_FirstUseEver);
-    ImGui::SetNextWindowSize(ImVec2(550, 340), ImGuiCond_FirstUseEver);
-    ImGuiWindowFlags window_flags = ImGuiWindowFlags_MenuBar;
-
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
     const bool has_debug_tools = true;
 #else
@@ -53,8 +50,19 @@ void show_ui(ControllerContext *ctx)
     if (show_app_debug_log)
         ImGui::ShowDebugLogWindow(&show_app_debug_log);
 
-    // Main body of the Demo window starts here.
-    if (!ImGui::Begin("doompanning controls", nullptr, window_flags))
+    const ImGuiViewport* main_viewport = ImGui::GetMainViewport();
+    ImGui::SetNextWindowPos(ImVec2(main_viewport->WorkPos.x + 20, main_viewport->WorkPos.y + 20), ImGuiCond_FirstUseEver);
+    ImGui::SetNextWindowSize(ImVec2(550, 340), ImGuiCond_FirstUseEver);
+    ImGuiWindowFlags window_flags = ImGuiWindowFlags_MenuBar;
+
+    auto &io = ImGui::GetIO();
+    std::array<char, 1024> windowTitle;
+    std::snprintf(windowTitle.data(), windowTitle.size(),
+        "doompanning - #dooms=%zu, %.2f ms/frame (%.1f fps)###doompanning",
+        0ul, 1000.0f / io.Framerate, io.Framerate);
+
+    // Main body of the doompanning window starts here.
+    if (!ImGui::Begin(windowTitle.data(), nullptr, window_flags))
     {
         // Early out if the window is collapsed, as an optimization.
         ImGui::End();