Examples with SystemEventProcessorImpl com.spinyowl.legui.system.handler.processor.SystemEventProcessorImpl used on opensource projects

Example 1 with SystemEventProcessorImpl

use of com.spinyowl.legui.system.handler.processor.SystemEventProcessorImpl in project legui by SpinyOwl.

the class Demo method initialize.

private void initialize() {
    if (!GLFW.glfwInit()) {
        throw new RuntimeException("Can't initialize GLFW");
    }
    ChainErrorCallback errorCallback = new ChainErrorCallback();
    errorCallback.add(GLFWErrorCallback.createPrint(System.err));
    errorCallback.add(GLFWErrorCallback.createThrow());
    glfwSetErrorCallback(errorCallback);
    glfwWindowHint(GLFW_DOUBLEBUFFER, GLFW_TRUE);
    GLFWKeyCallbackI glfwKeyCallbackI = (w1, key, code, action, mods) -> running = !(key == GLFW_KEY_ESCAPE && action != GLFW_RELEASE);
    GLFWWindowCloseCallbackI glfwWindowCloseCallbackI = w -> running = false;
    frame = new Frame(width, height);
    window = glfwCreateWindow(width, height, title, NULL, NULL);
    glfwSetWindowPos(window, 50, 50);
    glfwShowWindow(window);
    createGuiElements(frame);
    context = new Context(window);
    keeper = new DefaultCallbackKeeper();
    CallbackKeeper.registerCallbacks(window, keeper);
    keeper.getChainKeyCallback().add(glfwKeyCallbackI);
    keeper.getChainWindowCloseCallback().add(glfwWindowCloseCallbackI);
    systemEventProcessor = new SystemEventProcessorImpl();
    SystemEventProcessor.addDefaultCallbacks(keeper, systemEventProcessor);
    running = true;
}

Example 2 with SystemEventProcessorImpl

use of com.spinyowl.legui.system.handler.processor.SystemEventProcessorImpl in project legui by SpinyOwl.

the class MultipleWindowsMultipleThreadsExample method initialize.

private static void initialize() {
    if (!GLFW.glfwInit()) {
        throw new RuntimeException("Can't initialize GLFW");
    }
    glfwSetErrorCallback(GLFWErrorCallback.createPrint(System.err));
    GLFWKeyCallbackI glfwKeyCallbackI = (w1, key, code, action, mods) -> running = !(key == GLFW_KEY_ESCAPE && action != GLFW_RELEASE);
    GLFWWindowCloseCallbackI glfwWindowCloseCallbackI = w -> running = false;
    Frame frame = new Frame(WIDTH, HEIGHT);
    createGuiElements(frame);
    for (int i = 0; i < WINDOW_COUNT; i++) {
        windows[i] = glfwCreateWindow(WIDTH, HEIGHT, "Multiple Windows Multiple Threads Example " + i, NULL, NULL);
        glfwSetWindowPos(windows[i], 50, 50 + (HEIGHT + 50) * i);
        glfwShowWindow(windows[i]);
        frames[i] = frame;
        contexts[i] = new Context(windows[i]);
        keepers[i] = new DefaultCallbackKeeper();
        CallbackKeeper.registerCallbacks(windows[i], keepers[i]);
        keepers[i].getChainKeyCallback().add(glfwKeyCallbackI);
        keepers[i].getChainWindowCloseCallback().add(glfwWindowCloseCallbackI);
        systemEventProcessors[i] = new SystemEventProcessorImpl();
        SystemEventProcessor.addDefaultCallbacks(keepers[i], systemEventProcessors[i]);
    }
    running = true;
}

Example 3 with SystemEventProcessorImpl

use of com.spinyowl.legui.system.handler.processor.SystemEventProcessorImpl in project legui by SpinyOwl.

the class MultipleWindowsExample method main.

public static void main(String[] args) {
    System.setProperty("joml.nounsafe", Boolean.TRUE.toString());
    System.setProperty("java.awt.headless", Boolean.TRUE.toString());
    if (!GLFW.glfwInit()) {
        throw new RuntimeException("Can't initialize GLFW");
    }
    glfwSetErrorCallback(GLFWErrorCallback.createPrint(System.err));
    int N = 3;
    long[] windows = new long[N];
    Renderer[] renderers = new NvgRenderer[N];
    Context[] contexts = new Context[N];
    Frame[] frames = new Frame[N];
    CallbackKeeper[] keepers = new DefaultCallbackKeeper[N];
    SystemEventProcessor[] systemEventProcessors = new SystemEventProcessor[N];
    GLFWKeyCallbackI glfwKeyCallbackI = (w1, key, code, action, mods) -> running = !(key == GLFW_KEY_ESCAPE && action != GLFW_RELEASE);
    GLFWWindowCloseCallbackI glfwWindowCloseCallbackI = w -> running = false;
    for (int i = 0; i < N; i++) {
        windows[i] = glfwCreateWindow(WIDTH, HEIGHT, "Multiple Windows Example " + (i + 1), NULL, NULL);
        glfwShowWindow(windows[i]);
        glfwMakeContextCurrent(windows[i]);
        GL.createCapabilities();
        glfwSwapInterval(0);
        glfwSetWindowPos(windows[i], 50, 50 + (HEIGHT + 50) * i);
        // Renderer which will render our ui components.
        renderers[i] = new NvgRenderer();
        renderers[i].initialize();
        createGuiElements(frames[i] = new Frame(WIDTH, HEIGHT));
        contexts[i] = new Context(windows[i]);
        keepers[i] = new DefaultCallbackKeeper();
        CallbackKeeper.registerCallbacks(windows[i], keepers[i]);
        keepers[i].getChainKeyCallback().add(glfwKeyCallbackI);
        keepers[i].getChainWindowCloseCallback().add(glfwWindowCloseCallbackI);
        systemEventProcessors[i] = new SystemEventProcessorImpl();
        SystemEventProcessor.addDefaultCallbacks(keepers[i], systemEventProcessors[i]);
    }
    running = true;
    while (running) {
        for (int i = 0; i < N; i++) {
            glfwMakeContextCurrent(windows[i]);
            GL.getCapabilities();
            glfwSwapInterval(0);
            contexts[i].updateGlfwWindow();
            Vector2i windowSize = contexts[i].getFramebufferSize();
            glClearColor(1, 1, 1, 1);
            glViewport(0, 0, windowSize.x, windowSize.y);
            glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
            renderers[i].render(frames[i], contexts[i]);
            glfwPollEvents();
            glfwSwapBuffers(windows[i]);
            systemEventProcessors[i].processEvents(frames[i], contexts[i]);
            EventProcessorProvider.getInstance().processEvents();
            // When everything done we need to relayout components.
            LayoutManager.getInstance().layout(frames[i]);
        }
    }
    for (int i = 0; i < N; i++) {
        renderers[i].destroy();
        glfwDestroyWindow(windows[i]);
    }
    glfwTerminate();
}

Example 4 with SystemEventProcessorImpl

use of com.spinyowl.legui.system.handler.processor.SystemEventProcessorImpl in project legui by SpinyOwl.

the class SingleClassExample2 method main.

public static void main(String[] args) throws IOException {
    System.setProperty("joml.nounsafe", Boolean.TRUE.toString());
    System.setProperty("java.awt.headless", Boolean.TRUE.toString());
    if (!GLFW.glfwInit()) {
        throw new RuntimeException("Can't initialize GLFW");
    }
    long window = glfwCreateWindow(WIDTH, HEIGHT, "Legui", NULL, NULL);
    glfwShowWindow(window);
    glfwMakeContextCurrent(window);
    GL.createCapabilities();
    glfwSwapInterval(0);
    // Firstly we need to create frame component for window.
    Frame frame = new Frame(WIDTH, HEIGHT);
    // we can add elements here or on the fly
    // We need to create legui context which shared by renderer and event processor.
    // Also we need to pass event processor for ui events such as click on component, key typing and
    // etc.
    Context context = new Context(window);
    // We need to create callback keeper which will hold all of callbacks.
    // These callbacks will be used in initialization of system event processor
    // (will be added callbacks which will push system events to event queue and after that
    // processed by SystemEventProcessor)
    CallbackKeeper keeper = new DefaultCallbackKeeper();
    // register callbacks for window. Note: all previously binded callbacks will be unbinded.
    CallbackKeeper.registerCallbacks(window, keeper);
    GLFWKeyCallbackI glfwKeyCallbackI = (w1, key, code, action, mods) -> running = !(key == GLFW_KEY_ESCAPE && action != GLFW_RELEASE);
    GLFWWindowCloseCallbackI glfwWindowCloseCallbackI = w -> running = false;
    // if we want to create some callbacks for system events you should create and put them to
    // keeper
    // 
    // Wrong:
    // glfwSetKeyCallback(window, glfwKeyCallbackI);
    // glfwSetWindowCloseCallback(window, glfwWindowCloseCallbackI);
    // 
    // Right:
    keeper.getChainKeyCallback().add(glfwKeyCallbackI);
    keeper.getChainWindowCloseCallback().add(glfwWindowCloseCallbackI);
    // Event processor for system events. System events should be processed and translated to gui
    // events.
    SystemEventProcessor systemEventProcessor = new SystemEventProcessorImpl();
    SystemEventProcessor.addDefaultCallbacks(keeper, systemEventProcessor);
    // Also we need to create renderer provider
    // and create renderer which will render our ui components.
    Renderer renderer = new NvgRenderer();
    // Initialization finished, so we can start render loop.
    running = true;
    // Everything can be done in one thread as well as in separated threads.
    // Here is one-thread example.
    // before render loop we need to initialize renderer
    renderer.initialize();
    AtomicBoolean needToUpdate = new AtomicBoolean(true);
    keeper.getChainKeyCallback().add((w, key, scancode, action, mods) -> {
        if (key == GLFW_KEY_F1 && action == GLFW_RELEASE)
            needToUpdate.set(true);
    });
    // createUI(frame);
    while (running) {
        if (needToUpdate.getAndSet(false))
            createUI(frame);
        // Before rendering we need to update context with window size and window framebuffer size
        // {
        // int[] windowWidth = {0}, windowHeight = {0};
        // GLFW.glfwGetWindowSize(window, windowWidth, windowHeight);
        // int[] frameBufferWidth = {0}, frameBufferHeight = {0};
        // GLFW.glfwGetFramebufferSize(window, frameBufferWidth, frameBufferHeight);
        // int[] xpos = {0}, ypos = {0};
        // GLFW.glfwGetWindowPos(window, xpos, ypos);
        // double[] mx = {0}, my = {0};
        // GLFW.glfwGetCursorPos(window, mx, my);
        // 
        // context.update(windowWidth[0], windowHeight[0],
        // frameBufferWidth[0], frameBufferHeight[0],
        // xpos[0], ypos[0],
        // mx[0], my[0]
        // );
        // }
        // Also we can do it in one line
        context.updateGlfwWindow();
        Vector2i windowSize = context.getFramebufferSize();
        glClearColor(1, 1, 1, 1);
        // Set viewport size
        glViewport(0, 0, windowSize.x, windowSize.y);
        // Clear screen
        glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
        // render frame
        renderer.render(frame, context);
        // poll events to callbacks
        glfwPollEvents();
        glfwSwapBuffers(window);
        // Now we need to process events. Firstly we need to process system events.
        systemEventProcessor.processEvents(frame, context);
        // When system events are translated to GUI events we need to process them.
        // This event processor calls listeners added to ui components
        EventProcessorProvider.getInstance().processEvents();
        // When everything done we need to relayout components.
        LayoutManager.getInstance().layout(frame);
        // Run animations. Should be also called cause some components use animations for updating
        // state.
        AnimatorProvider.getAnimator().runAnimations();
    }
    // And when rendering is ended we need to destroy renderer
    renderer.destroy();
    glfwDestroyWindow(window);
    glfwTerminate();
}

Example 5 with SystemEventProcessorImpl

use of com.spinyowl.legui.system.handler.processor.SystemEventProcessorImpl in project legui by SpinyOwl.

the class SingleClassExample method main.

public static void main(String[] args) throws IOException {
    System.setProperty("joml.nounsafe", Boolean.TRUE.toString());
    System.setProperty("java.awt.headless", Boolean.TRUE.toString());
    if (!GLFW.glfwInit()) {
        throw new RuntimeException("Can't initialize GLFW");
    }
    long window = glfwCreateWindow(WIDTH, HEIGHT, "Single Class Example", NULL, NULL);
    glfwShowWindow(window);
    glfwMakeContextCurrent(window);
    GL.createCapabilities();
    glfwSwapInterval(0);
    // Firstly we need to create frame component for window.
    Frame frame = new Frame(WIDTH, HEIGHT);
    // we can add elements here or on the fly
    createGuiElements(frame);
    // We need to create legui context which shared by renderer and event processor.
    // Also we need to pass event processor for ui events such as click on component, key typing and
    // etc.
    Context context = new Context(window);
    // We need to create callback keeper which will hold all of callbacks.
    // These callbacks will be used in initialization of system event processor
    // (will be added callbacks which will push system events to event queue and after that
    // processed by SystemEventProcessor)
    CallbackKeeper keeper = new DefaultCallbackKeeper();
    // register callbacks for window. Note: all previously binded callbacks will be unbinded.
    CallbackKeeper.registerCallbacks(window, keeper);
    GLFWKeyCallbackI glfwKeyCallbackI = (w1, key, code, action, mods) -> running = !(key == GLFW_KEY_ESCAPE && action != GLFW_RELEASE);
    GLFWWindowCloseCallbackI glfwWindowCloseCallbackI = w -> running = false;
    // if we want to create some callbacks for system events you should create and put them to
    // keeper
    // 
    // Wrong:
    // glfwSetKeyCallback(window, glfwKeyCallbackI);
    // glfwSetWindowCloseCallback(window, glfwWindowCloseCallbackI);
    // 
    // Right:
    keeper.getChainKeyCallback().add(glfwKeyCallbackI);
    keeper.getChainWindowCloseCallback().add(glfwWindowCloseCallbackI);
    // Event processor for system events. System events should be processed and translated to gui
    // events.
    SystemEventProcessor systemEventProcessor = new SystemEventProcessorImpl();
    SystemEventProcessor.addDefaultCallbacks(keeper, systemEventProcessor);
    // Also we need to create renderer provider
    // and create renderer which will render our ui components.
    Renderer renderer = new NvgRenderer();
    // Initialization finished, so we can start render loop.
    running = true;
    // Everything can be done in one thread as well as in separated threads.
    // Here is one-thread example.
    // before render loop we need to initialize renderer
    renderer.initialize();
    while (running) {
        // Before rendering we need to update context with window size and window framebuffer size
        // {
        // int[] windowWidth = {0}, windowHeight = {0};
        // GLFW.glfwGetWindowSize(window, windowWidth, windowHeight);
        // int[] frameBufferWidth = {0}, frameBufferHeight = {0};
        // GLFW.glfwGetFramebufferSize(window, frameBufferWidth, frameBufferHeight);
        // int[] xpos = {0}, ypos = {0};
        // GLFW.glfwGetWindowPos(window, xpos, ypos);
        // double[] mx = {0}, my = {0};
        // GLFW.glfwGetCursorPos(window, mx, my);
        // 
        // context.update(windowWidth[0], windowHeight[0],
        // frameBufferWidth[0], frameBufferHeight[0],
        // xpos[0], ypos[0],
        // mx[0], my[0]
        // );
        // }
        // Also we can do it in one line
        context.updateGlfwWindow();
        Vector2i windowSize = context.getFramebufferSize();
        glClearColor(1, 1, 1, 1);
        // Set viewport size
        glViewport(0, 0, windowSize.x, windowSize.y);
        // Clear screen
        glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
        // render frame
        renderer.render(frame, context);
        // poll events to callbacks
        glfwPollEvents();
        glfwSwapBuffers(window);
        // Now we need to process events. Firstly we need to process system events.
        systemEventProcessor.processEvents(frame, context);
        // When system events are translated to GUI events we need to process them.
        // This event processor calls listeners added to ui components
        EventProcessorProvider.getInstance().processEvents();
        // When everything done we need to relayout components.
        LayoutManager.getInstance().layout(frame);
        // Run animations. Should be also called cause some components use animations for updating
        // state.
        AnimatorProvider.getAnimator().runAnimations();
        update(context);
    }
    // And when rendering is ended we need to destroy renderer
    renderer.destroy();
    glfwDestroyWindow(window);
    glfwTerminate();
}