add example code

examples/Demo/main.cpp

@@ -0,0 +1,94 @@
+
+#include <Nazara/Core/Modules.hpp>
+#include <Nazara/Graphics/Graphics.hpp>
+#include <Nazara/Renderer/RenderWindow.hpp>
+
+#include <NazaraImgui/NazaraImgui.hpp>
+
+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 };
+};
+
+int WinMain(int argc, char* argv[])
+{
+	NazaraUnused(argc);
+	NazaraUnused(argv);
+
+	Nz::Modules<Nz::Graphics, Nz::Imgui> nazara;
+
+	// 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);
+
+	std::string windowTitle = "Nazara Imgui Demo";
+	Nz::RenderWindow window;
+	if (!window.Create(Nz::Graphics::Instance()->GetRenderDevice(), Nz::VideoMode(1280, 720, 32), windowTitle))
+		return false;
+
+	// connect basic handler
+	window.GetEventHandler().OnQuit.Connect([&window](const auto* handler) {
+		NazaraUnused(handler);
+		window.Close();
+	});
+
+	Nz::Imgui::Instance()->Init(window);
+	
+	MyImguiWindow mywindow;
+	float val = 0.f;
+	float color[4] = { 1,0,0,1 };
+
+	Nz::Clock updateClock;
+
+	while (window.IsOpen())
+	{
+		window.ProcessEvents();
+
+		Nz::RenderFrame frame = window.AcquireFrame();
+		if (!frame)
+		{
+			std::this_thread::sleep_for(std::chrono::milliseconds(1));
+			continue;
+		}
+
+		float deltaTime = updateClock.GetSeconds();
+		Nz::Imgui::Instance()->Update(window, deltaTime);
+
+		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(window, frame);
+
+		frame.Present();
+
+		updateClock.Restart();
+	}
+
+	return 0;
+}

examples/Demo/xmake.lua

@@ -0,0 +1,7 @@
+
+target("NzImgui-demo")
+	set_group("Examples")
+	add_files("main.cpp")
+	add_packages("nazara")
+	add_deps("NazaraImgui")
+	set_rundir(".")

examples/xmake.lua

@@ -0,0 +1,9 @@
+option("examples")
+	set_default(false)
+	set_showmenu(true)
+	set_description("Build examples")
+option_end()
+
+if has_config("examples") then
+    includes("*/xmake.lua")
+end

xmake.lua

@@ -61,4 +61,4 @@ target("NazaraImgui")
 	add_headerfiles("src/NazaraImgui/**.inl", { prefixdir = "private", install = false })
 	add_files("src/NazaraImgui/**.cpp")
 
-
+includes("examples/xmake.lua")