move into firmware subfolder

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/src/debug/debug_overlay.cpp

@@ -0,0 +1,110 @@
+#include "debug/debug_overlay.h"
+
+#include "Common.h"
+#include "Matrix.h"
+#include "Version.h"
+#include "imgui.h"
+#include "imgui_impl_sdl3.h"
+#include <imgui_impl_sdlrenderer3.h>
+
+namespace DebugOverlay
+{
+void Init(const AppContext *context)
+{
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO &io{ImGui::GetIO()};
+
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+
+    ImGui::StyleColorsDark();
+
+    ImGui_ImplSDL3_InitForSDLRenderer(context->MainWindow(), context->MainRenderer());
+    ImGui_ImplSDLRenderer3_Init(context->MainRenderer());
+}
+
+void Update(AppContext *context, const SDL_Event *event)
+{
+    ImGui_ImplSDL3_ProcessEvent(event);
+
+    if (show_led_matrix)
+    {
+        if (!context->LedMatrixRenderer())
+        {
+            const auto win = CreateWindow("LED Matrix", width * 50, height * 50);
+            SDL_SetWindowFocusable(win->window(), false);
+            SDL_SetRenderVSync(win->renderer(), SDL_RENDERER_VSYNC_ADAPTIVE);
+            SDL_SetWindowPosition(win->window(), 0, 0);
+            SDL_ShowWindow(win->window());
+
+            const auto windowId = SDL_GetWindowID(win->window());
+            context->SetMatrix(new Matrix(windowId, win->renderer(), width, height));
+        }
+    }
+    else
+    {
+        if (context->LedMatrixRenderer())
+        {
+            int window_count = 0;
+            if (SDL_Window **windows = SDL_GetWindows(&window_count))
+            {
+                for (int i = 0; i < window_count; ++i)
+                {
+                    if (SDL_Window *window = windows[i]; context->LedMatrixId() == SDL_GetWindowID(window))
+                    {
+                        SDL_DestroyRenderer(context->LedMatrixRenderer());
+                        SDL_DestroyWindow(window);
+                        break;
+                    }
+                }
+                SDL_free(windows);
+            }
+
+            SDL_DestroyRenderer(context->LedMatrixRenderer());
+
+            context->SetMatrix(nullptr);
+        }
+    }
+}
+
+void Render(const AppContext *context)
+{
+    ImGui_ImplSDLRenderer3_NewFrame();
+    ImGui_ImplSDL3_NewFrame();
+    ImGui::NewFrame();
+
+    if (show_debug_window && ImGui::BeginMainMenuBar())
+    {
+        if (ImGui::BeginMenu("Config"))
+        {
+            ImGui::Checkbox("Show LED Matrix", &show_led_matrix);
+            ImGui::Checkbox("Show Unhandled Events", &show_unhandled_events);
+
+            ImGui::EndMenu();
+        }
+        if (ImGui::BeginMenu("Help"))
+        {
+            ImGui::Text("FPS: %.2f", ImGui::GetIO().Framerate);
+            ImGui::SeparatorText("App Info");
+            ImGui::Text("Project: %s", MyProject.c_str());
+            ImGui::Text("Version: %s", MyProjectVersion.c_str());
+            ImGui::Text("Build Date: %s", MyProjectBuildDate.c_str());
+            ImGui::Text("ImGui Version: %s", ImGui::GetVersion());
+
+            ImGui::EndMenu();
+        }
+        ImGui::EndMainMenuBar();
+    }
+
+    // Rendering
+    ImGui::Render();
+    ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), context->MainRenderer());
+}
+
+void Cleanup()
+{
+    ImGui_ImplSDLRenderer3_Shutdown();
+    ImGui_ImplSDL3_Shutdown();
+    ImGui::DestroyContext();
+}
+} // namespace DebugOverlay

firmware/src/debug/debug_overlay.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <SDL3/SDL.h>
+
+#include "model/AppContext.h"
+
+namespace DebugOverlay
+{
+inline bool show_debug_window = false;
+inline bool show_unhandled_events = false;
+inline bool show_led_matrix = false;
+
+constexpr auto width = 8;
+constexpr auto height = 8;
+
+void Init(const AppContext *context);
+
+void Update(AppContext *context, const SDL_Event *event);
+
+void Render(const AppContext *context);
+
+void Cleanup();
+} // namespace DebugOverlay