Examples with Context com.spinyowl.legui.system.context.Context used on opensource projects

Example 1 with Context

use of com.spinyowl.legui.system.context.Context 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 Context

use of com.spinyowl.legui.system.context.Context in project legui by SpinyOwl.

the class Example method main.

// private static String json =
// IOUtil.loadResourceAsString("com/spinyowl/legui/demo/json.json", 1024);
public static void main(String[] args) {
    System.setProperty("joml.nounsafe", Boolean.TRUE.toString());
    System.setProperty("java.awt.headless", Boolean.TRUE.toString());
    if (!glfwInit()) {
        throw new RuntimeException("Can't initialize GLFW");
    }
    // create glfw window
    long window = glfwCreateWindow(WIDTH, HEIGHT, "Example", NULL, NULL);
    // show window
    glfwShowWindow(window);
    // make window current on thread
    glfwMakeContextCurrent(window);
    GL.createCapabilities();
    glfwSwapInterval(0);
    // read monitors
    PointerBuffer pointerBuffer = glfwGetMonitors();
    int remaining = pointerBuffer.remaining();
    monitors = new long[remaining];
    for (int i = 0; i < remaining; i++) {
        monitors[i] = pointerBuffer.get(i);
    }
    // create LEGUI theme and set it as default
    // Themes.setDefaultTheme(new FlatColoredTheme(
    // rgba(255, 255, 255, 1), // backgroundColor
    // rgba(176, 190, 197, 1), // borderColor
    // rgba(176, 190, 197, 1), // sliderColor
    // rgba(100, 181, 246, 1), // strokeColor
    // rgba(194, 219, 245, 1), // allowColor
    // rgba(239, 154, 154, 1), // denyColor
    // ColorConstants.transparent(), // shadowColor
    // ColorConstants.darkGray(), // text color
    // FontRegistry.getDefaultFont(), // font
    // FlatColoredTheme.FONT_SIZE
    // ));
    // Firstly we need to create frame component for window.
    // new Frame(WIDTH, HEIGHT);
    Frame frame = new Frame(WIDTH, HEIGHT);
    createGuiElements(frame, WIDTH, HEIGHT);
    // also we can create frame for example just by unmarshal it
    // frame = GsonMarshalUtil.unmarshal(json);
    // frame.setSize(WIDTH, HEIGHT);
    // We need to create legui instance one for window
    // which hold all necessary library components
    // or if you want some customizations you can do it by yourself.
    DefaultInitializer initializer = new DefaultInitializer(window, frame);
    GLFWKeyCallbackI exitOnEscCallback = (w1, key, code, action, mods) -> running = !(key == GLFW_KEY_ESCAPE && action != GLFW_RELEASE);
    GLFWKeyCallbackI toggleFullscreenCallback = (w1, key, code, action, mods) -> toggleFullscreen = (key == GLFW_KEY_F && action == GLFW_RELEASE && (mods & GLFW_MOD_CONTROL) != 0);
    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, exitOnEscCallback);
    // glfwSetWindowCloseCallback(window, glfwWindowCloseCallbackI);
    // 
    // Right:
    initializer.getCallbackKeeper().getChainKeyCallback().add(exitOnEscCallback);
    initializer.getCallbackKeeper().getChainKeyCallback().add(toggleFullscreenCallback);
    initializer.getCallbackKeeper().getChainWindowCloseCallback().add(glfwWindowCloseCallbackI);
    // 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 renderer = initializer.getRenderer();
    Animator animator = AnimatorProvider.getAnimator();
    renderer.initialize();
    long time = System.currentTimeMillis();
    int updCntr = 0;
    context = initializer.getContext();
    // context.setDebugEnabled(true);
    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);
        // We need to relayout components.
        if (gui.getGenerateEventsByLayoutManager().isChecked()) {
            LayoutManager.getInstance().layout(frame, context);
        } else {
            LayoutManager.getInstance().layout(frame);
        }
        // render frame
        renderer.render(frame, context);
        // poll events to callbacks
        glfwPollEvents();
        glfwSwapBuffers(window);
        animator.runAnimations();
        // Now we need to handle events. Firstly we need to handle system events.
        // And we need to know to which frame they should be passed.
        initializer.getSystemEventProcessor().processEvents(frame, context);
        // When system events are translated to GUI events we need to handle them.
        // This event processor calls listeners added to ui components
        initializer.getGuiEventProcessor().processEvents();
        // check toggle fullscreen flag and execute.
        if (toggleFullscreen) {
            if (fullscreen) {
                glfwSetWindowMonitor(window, NULL, 100, 100, WIDTH, HEIGHT, GLFW_DONT_CARE);
            } else {
                GLFWVidMode glfwVidMode = glfwGetVideoMode(monitors[0]);
                glfwSetWindowMonitor(window, monitors[0], 0, 0, glfwVidMode.width(), glfwVidMode.height(), glfwVidMode.refreshRate());
            }
            fullscreen = !fullscreen;
            toggleFullscreen = false;
        }
        update();
        updCntr++;
        if (System.currentTimeMillis() >= time + 1000) {
            time += 1000;
            glfwSetWindowTitle(window, "LEGUI Example. Updates per second: " + updCntr);
            updCntr = 0;
        }
    }
    // And when rendering is ended we need to destroy renderer
    renderer.destroy();
    glfwDestroyWindow(window);
    glfwTerminate();
}

Example 3 with Context

use of com.spinyowl.legui.system.context.Context 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 4 with Context

use of com.spinyowl.legui.system.context.Context in project legui by SpinyOwl.

the class ScrollBarMouseClickEventListener method updateViewport.

/**
 * Used to update viewport.
 *
 * @param event     event.
 * @param scrollBar scrollbar.
 * @param maxValue  maximum scrollbar value.
 * @param minValue  minimum scrollbar value.
 * @param newValue  new scrollbar value.
 */
private void updateViewport(Event event, ScrollBar scrollBar, float maxValue, float minValue, float newValue) {
    float valueToUse = newValue;
    if (newValue > maxValue) {
        valueToUse = maxValue;
    } else if (newValue < minValue) {
        valueToUse = minValue;
    }
    Context context = event.getContext();
    Frame frame = event.getFrame();
    float curValue = scrollBar.getCurValue();
    EventProcessorProvider.getInstance().pushEvent(new ScrollBarChangeValueEvent<>(scrollBar, context, frame, curValue, valueToUse));
    scrollBar.setCurValue(valueToUse);
}

Example 5 with Context

use of com.spinyowl.legui.system.context.Context in project legui by SpinyOwl.

the class NvgBufferedImageRGBARenderer method initialize.

@Override
public void initialize() {
    NvgImageReferenceManager manager = NvgImageReferenceManager.getInstance();
    manager.putImageReferenceProvider(BufferedImageRGBA.class, (image, context) -> {
        int imageRef = 0;
        Function<BufferedImageRGBA, String> getPath = i -> "TI::RGBA::" + i.hashCode();
        if (image != null) {
            String path = getPath.apply(image);
            try {
                imageRef = manager.getImageCache().get(path, () -> {
                    int reference = nvgCreateImageRGBA(context, image.getWidth(), image.getHeight(), 0, image.getImageData());
                    manager.getImageAssociationMap().put(getPath.apply(image), reference);
                    return reference;
                });
            } catch (ExecutionException e) {
                e.printStackTrace();
            }
        }
        return imageRef;
    });
}