wip

examples/minimal/main.cpp

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+#include "imgui.h" // necessary for ImGui::*, imgui-SFML.h doesn't include imgui.h
+
+#include "imgui-SFML.h" // for ImGui::SFML::* functions and SFML-specific overloads
+
+#include <SFML/Graphics/CircleShape.hpp>
+#include <SFML/Graphics/RenderWindow.hpp>
+#include <SFML/System/Clock.hpp>
+#include <SFML/Window/Event.hpp>
+
+int main() {
+    sf::RenderWindow window(sf::VideoMode(640, 480), "ImGui + SFML = <3");
+    window.setFramerateLimit(60);
+    ImGui::SFML::Init(window);
+
+    sf::CircleShape shape(100.f);
+    shape.setFillColor(sf::Color::Green);
+
+    sf::Clock deltaClock;
+    while (window.isOpen()) {
+        sf::Event event;
+        while (window.pollEvent(event)) {
+            ImGui::SFML::ProcessEvent(window, event);
+
+            if (event.type == sf::Event::Closed) {
+                window.close();
+            }
+        }
+
+        ImGui::SFML::Update(window, deltaClock.restart());
+
+        ImGui::ShowDemoWindow();
+
+        ImGui::Begin("Hello, world!");
+        ImGui::Button("Look at this pretty button");
+        ImGui::End();
+
+        window.clear();
+        window.draw(shape);
+        ImGui::SFML::Render(window);
+        window.display();
+    }
+
+    ImGui::SFML::Shutdown();
+
+    return 0;
+}

examples/multiple_windows/main.cpp

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+#include "imgui.h" // necessary for ImGui::*, imgui-SFML.h doesn't include imgui.h
+
+#include "imgui-SFML.h" // for ImGui::SFML::* functions and SFML-specific overloads
+
+#include <SFML/Graphics/CircleShape.hpp>
+#include <SFML/Graphics/RenderWindow.hpp>
+#include <SFML/System/Clock.hpp>
+#include <SFML/Window/Event.hpp>
+
+int main() {
+    sf::RenderWindow window(sf::VideoMode(1280, 720), "ImGui + SFML = <3");
+    window.setFramerateLimit(60);
+    ImGui::SFML::Init(window);
+
+    sf::RenderWindow childWindow(sf::VideoMode(640, 480), "ImGui-SFML Child window");
+    childWindow.setFramerateLimit(60);
+    ImGui::SFML::Init(childWindow);
+
+    sf::Clock deltaClock;
+    while (window.isOpen()) {
+        // Main window event processing
+        sf::Event event;
+        while (window.pollEvent(event)) {
+            ImGui::SFML::ProcessEvent(window, event);
+            if (event.type == sf::Event::Closed) {
+                if (childWindow.isOpen()) {
+                    childWindow.close();
+                }
+                window.close();
+                ImGui::SFML::Shutdown(); // will shutdown all windows
+                return 0; // return here so that we don't call Update/Render
+            }
+        }
+
+        // Child window event processing
+        if (childWindow.isOpen()) {
+            while (childWindow.pollEvent(event)) {
+                ImGui::SFML::ProcessEvent(childWindow, event);
+                if (event.type == sf::Event::Closed) {
+                    childWindow.close();
+                    ImGui::SFML::Shutdown(childWindow);
+                }
+            }
+        }
+
+        // Update
+        const sf::Time dt = deltaClock.restart();
+        ImGui::SFML::Update(window, dt);
+        if (childWindow.isOpen()) {
+            ImGui::SFML::Update(childWindow, dt);
+        }
+
+        // Add ImGui widgets in the first window
+        ImGui::SFML::SetCurrentWindow(window);
+        ImGui::Begin("Hello, world!");
+        ImGui::Button("Look at this pretty button");
+        ImGui::End();
+        ImGui::ShowDemoWindow();
+        // Add ImGui widgets in the child window
+        if (childWindow.isOpen()) {
+            ImGui::SFML::SetCurrentWindow(childWindow);
+            ImGui::Begin("Works in a second window!");
+            ImGui::Button("Example button");
+            ImGui::End();
+        }
+
+        // Main window drawing
+        sf::CircleShape shape(100.f);
+        shape.setFillColor(sf::Color::Green);
+
+        window.clear();
+        window.draw(shape);
+        ImGui::SFML::Render(window);
+        window.display();
+
+        // Child window drawing
+        if (childWindow.isOpen()) {
+            sf::CircleShape shape2(50.f);
+            shape2.setFillColor(sf::Color::Red);
+
+            childWindow.clear();
+            childWindow.draw(shape2);
+            ImGui::SFML::Render(childWindow);
+            childWindow.display();
+        }
+    }
+
+    return 0;
+}