main.cpp

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#include <QApplication>
#include <QQuickWindow>
#include <QQmlApplicationEngine>
 
#include <platform/desktop_platform.h>
 
#include "utils/qml_context_setup.h"
#include "utils/splash_screen.h"
 
#include "rendering/qml_painted_image_item.h"
#include "rendering/qml_sgs_image_item.h"
#include "rendering/qml_rhi_image_item.h"
 
#include "core_initialization.h"
 
#include <spdlog/spdlog.h>
 
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    CaptureMoment::UI::Platform::applyApplicationSettings();
 
    CaptureMoment::UI::SplashScreen splash;
    splash.show();
    app.processEvents();
 
    spdlog::info("Initialization");
    splash.showMessage("Initializing core...");
    app.processEvents();
    CaptureMoment::Core::initialize();
 
    splash.showMessage("Registering components...");
    app.processEvents();
    QQmlApplicationEngine engine;
 
    // Register QML types Rendering
    qmlRegisterType<CaptureMoment::UI::QMLPaintedImageItem>(
        "CaptureMoment.UI.Rendering.Painted", 1, 0, "QMLPaintedImageItem"
    );
    qmlRegisterType<CaptureMoment::UI::QMLSGSImageItem>(
        "CaptureMoment.UI.Rendering.SGS", 1, 0, "QMLSGSImageItem"
        );
    qmlRegisterType<CaptureMoment::UI::QMLRHIImageItem>(
        "CaptureMoment.UI.Rendering.RHI", 1, 0, "QMLRHIImageItem"
        );
 
    splash.showMessage("Setting up context...");
    app.processEvents();
 
    // Setup QML context once
    auto context = engine.rootContext();
    if (!CaptureMoment::UI::QmlContextSetup::setupContext(context)) {
        spdlog::error("Failed to setup QML context");
        return -1;
    }
 
    // Handle QML engine errors
    QObject::connect(
        &engine,
        &QQmlApplicationEngine::objectCreationFailed,
        &app,
        []() { QCoreApplication::exit(-1); },
        Qt::QueuedConnection
    );
 
    // Load the main QML module
    splash.showMessage("Loading UI...");
    app.processEvents();
    engine.loadFromModule("CaptureMoment.desktop", "DesktopMain");
 
    if (engine.rootObjects().isEmpty()) {
        spdlog::error("Failed to load QML module");
        return -1;
    }
 
    QObject* rootObject { engine.rootObjects().first() };
    if (auto* window { qobject_cast<QQuickWindow*>(rootObject) })
    {
        QObject::connect(window, &QQuickWindow::frameSwapped, window, [window, &splash]() {
            splash.close();
            window->raise();
        }, Qt::SingleShotConnection);
    } else {
        splash.close();
    }
 
    return app.exec();
}