NazaraImgui/examples/Demo/main.cpp

122 lines
3.0 KiB
C++

#include <Nazara/Core/Application.hpp>
#include <Nazara/Core/Clock.hpp>
#include <Nazara/Graphics/Graphics.hpp>
#include <Nazara/Platform/AppWindowingComponent.hpp>
#include <Nazara/Platform/Platform.hpp>
#include <Nazara/Renderer/GpuSwitch.hpp>
#include <Nazara/Renderer/WindowSwapchain.hpp>
#include <NazaraImgui/ImguiHandler.hpp>
#include <NazaraImgui/ImguiWidgets.hpp>
#include <NazaraImgui/NazaraImgui.hpp>
NAZARA_REQUEST_DEDICATED_GPU()
struct MyImguiWindow
: private Nz::ImguiHandler
{
MyImguiWindow()
{
Nz::Imgui::Instance()->AddHandler(this);
}
~MyImguiWindow()
{
Nz::Imgui::Instance()->RemoveHandler(this);
}
void OnRenderImgui() override
{
ImGui::Begin("Handler Window");
ImGui::InputFloat4("position", values);
ImGui::End();
}
float values[4] = { 0 };
};
#if 1
int main(int argc, char* argv[])
#else
int WinMain(int argc, char* argv[])
#endif
{
NazaraUnused(argc);
NazaraUnused(argv);
Nz::Application<Nz::Graphics, Nz::Imgui> nazara;
auto& windowing = nazara.AddComponent<Nz::AppWindowingComponent>();
std::shared_ptr<Nz::RenderDevice> device = Nz::Graphics::Instance()->GetRenderDevice();
std::string windowTitle = "Nazara Imgui Demo";
Nz::Window& window = windowing.CreateWindow(Nz::VideoMode(1280, 720, 32), windowTitle);
Nz::WindowSwapchain windowSwapchain(device, window);
// Load test texture
Nz::TextureParams texParams;
texParams.renderDevice = Nz::Graphics::Instance()->GetRenderDevice();
texParams.loadFormat = Nz::PixelFormat::RGBA8;
auto logo = Nz::Texture::LoadFromFile("LogoMini.png", texParams);
// connect basic handler
window.GetEventHandler().OnQuit.Connect([&window](const auto* handler) {
NazaraUnused(handler);
window.Close();
});
Nz::Imgui::Instance()->Init(window);
ImGui::EnsureContextOnThisThread();
MyImguiWindow mywindow;
float val = 0.f;
float color[4] = { 1,0,0,1 };
Nz::MillisecondClock updateClock;
while (window.IsOpen())
{
window.ProcessEvents();
Nz::RenderFrame frame = windowSwapchain.AcquireFrame();
if (!frame)
{
std::this_thread::sleep_for(std::chrono::milliseconds(1));
continue;
}
float deltaTime = updateClock.GetElapsedTime().AsSeconds();
Nz::Imgui::Instance()->Update(deltaTime);
if (ImGui::BeginMainMenuBar())
{
if (ImGui::BeginMenu("Test"))
{
if (ImGui::MenuItem("Test", "Ctrl+O"))
printf("test\n");
ImGui::EndMenu();
}
ImGui::EndMainMenuBar();
}
if (ImGui::BeginPopupModal("toto"))
{
ImGui::EndPopup();
}
ImGui::Begin("Loop Window");
ImGui::Image(logo.get());
ImGui::ImageButton(logo.get());
ImGui::SliderFloat("test", &val, 0, 10);
ImGui::ColorPicker4("Color", color, ImGuiColorEditFlags_PickerHueWheel | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_InputRGB);
ImGui::InputFloat4("value from 2nd window", mywindow.values, "%.3f", ImGuiInputTextFlags_ReadOnly);
ImGui::End();
Nz::Imgui::Instance()->Render(windowSwapchain.GetSwapchain(), frame);
frame.Present();
updateClock.Restart();
}
return 0;
}