gqtbuttons_example.cc

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#include "gQtButtonsWidget_options.h"
#include "gQtButtonsWidget.h"
 
// qt
#include <QApplication>
#include <QMainWindow>
#include <QTimer>
 
int main(int argc, char* argv[]) {
    // Initialize options and logging.
    // Note: "hello" is the example's program name used by GOptions.
    auto gopts = std::make_shared<GOptions>(argc, argv, GOptions("hello"));
 
    // Example switches/scalars expected to exist in the calling environment.
    // If not provided, GOptions will use its internal defaults.
    auto gui     = gopts->getSwitch("gui");
    auto timeout = gopts->getScalarDouble("tt");
    int  ret     = EXIT_SUCCESS;
 
    // Create a QApplication only when GUI mode is enabled.
    QApplication* app = nullptr;
    if (gui) {
        app = new QApplication(argc, argv);
    }
 
    // Icon base names:
    // The resource path must match the path used in the module's .qrc file.
    std::vector<std::string> bicons;
    bicons.emplace_back(":/images/firstButton");
    bicons.emplace_back(":/images/secondButton");
 
    if (gui) {
        // Create and show the icon-based buttons widget.
        GQTButtonsWidget window(128, 128, bicons);
        window.show();
 
        // Quit after the requested timeout (milliseconds).
        QTimer::singleShot(timeout, [] {
            QCoreApplication::quit(); // stops the event loop
        });
 
        ret = QApplication::exec();
 
        // Clean up GUI resources.
        delete app;
    }
    else {
        // CLI mode:
        // This example intentionally does not execute any non-GUI behavior.
    }
 
    return ret;
}