BadQuanta
105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
#include <hdk/sdl.hpp>
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#include <imgui.h>
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#include <hdk/sdl/main.hpp>
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#include "hdk/is3r.hpp"
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namespace simui_example {
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using namespace hdk;
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class SimGuiApp : public is3r::Is3rApp {
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public:
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grid::eps::TapScope taps;
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const sdl::evt::EventConduit::Callback_t LOG_EVENT = [&](SDL_Event* event) {
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auto description = sdl::Event::GetDescription<1024>(event);
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AppLog.Debug("Event received: %s", description.c_str());
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};
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sdl::Window window { nullptr };
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sdl::Renderer renderer { nullptr };
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sdl::Surface surface { nullptr };
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sdl::Texture texture { nullptr };
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float main_scale = 1.0f;
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ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
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void InitIMUI() {
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// Setup Dear ImGui context
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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(void)io;
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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// Setup Dear ImGui style
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ImGui::StyleColorsDark();
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// ImGui::StyleColorsLight();
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// Setup scaling
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ImGuiStyle& style = ImGui::GetStyle();
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style.ScaleAllSizes(main_scale); // Bake a fixed style scale. (until we have a solution for dynamic style
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// scaling, changing this requires resetting Style + calling this again)
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style.FontScaleDpi
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= main_scale; // Set initial font scale. (in docking branch: using io.ConfigDpiScaleFonts=true automatically
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// overrides this for every window depending on the current monitor)
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// Setup Platform/Renderer backends
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ImGui_ImplSDL3_InitForSDLRenderer(window, renderer);
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ImGui_ImplSDLRenderer3_Init(renderer);
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}
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virtual SDL_AppResult Init(int argc, char* argv[]) override {
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SDL_SetAppMetadata("SimGui Example", "0.0.1", "institute.ufp.hdk.simui.examples.simgui");
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sdl::Log::SetPriorities(SDL_LOG_PRIORITY_DEBUG);
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auto [w, r] = sdl::CreateWindowAndRenderer("SimGui Example", 800, 600, 0);
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window = w;
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renderer = r;
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if (!window || !renderer) {
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SDL_Log("Failed to create window or renderer: %s", SDL_GetError());
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return AppStatus = SDL_APP_FAILURE;
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}
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InitIMUI();
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taps << events.Quit.Attach([&](SDL_Event* event) {
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AppStatus = SDL_APP_SUCCESS;
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printf("Quit event received, exiting...\n");
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});
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return AppStatus;
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}
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virtual SDL_AppResult Iterate() override {
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// Start the Dear ImGui frame
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ImGui_ImplSDLRenderer3_NewFrame();
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ImGui_ImplSDL3_NewFrame();
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ImGui::NewFrame();
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{
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ImGui::Begin("ImGUI SDL Renderer Basics Example");
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ImGui::Text("Hello, world!");
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ImGui::Button("Quit") && (AppStatus = SDL_APP_SUCCESS);
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ImGui::ColorEdit3("clear color", (float*)&clear_color);
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ImGui::End();
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}
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ImGui::Render();
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ImGuiIO& io = ImGui::GetIO();
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renderer.SetScale(io.DisplayFramebufferScale.x, io.DisplayFramebufferScale.y);
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renderer.SetDrawColorFloat(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
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renderer.Clear();
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ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), renderer);
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renderer.Present();
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return AppStatus;
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}
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virtual void Quit(SDL_AppResult code) override {
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ImGui_ImplSDLRenderer3_Shutdown();
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ImGui_ImplSDL3_Shutdown();
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ImGui::DestroyContext();
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renderer = nullptr;
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window = nullptr;
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}
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};
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}
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HDK_SDL_MAIN_CLASS(simui_example::SimGuiApp) |