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#include <QApplication>
#include <QSystemTrayIcon>
#include <QTimer>
#include <QtQml>
#include <QQmlApplicationEngine>
#include <QQuickWindow>
#include <string>
#include "handlers.h"
#include "qjsonmodel.h"
#include "lib/libgoshim.h"
/* Hi! I'm Troy McClure and I'll be your guide today. You probably remember me
from blockbusters like "here be dragons" and "darling, I wrote a little
contraption". */
QJsonWatch *qw = new QJsonWatch;
/* onStatusChanged is the C function that we register as a callback with CGO.
It pulls a string serialization of the context object, than we then pass
along to Qml via signals. */
void onStatusChanged() {
char *ctx = RefreshContext();
emit qw->jsonChanged(QString(ctx));
free(ctx);
}
std::string getEnv(std::string const& key)
{
char const* val = getenv(key.c_str());
return val == NULL ? std::string() : std::string(val);
}
int main(int argc, char **argv) {
bool debugQml = getEnv("DEBUG_QML_DATA") == "yes";
if (argc > 1 && strcmp(argv[1], "install-helpers") == 0) {
qDebug() << "Will try to install helpers with sudo";
InstallHelpers();
exit(0);
}
QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QApplication app(argc, argv);
if (!QSystemTrayIcon::isSystemTrayAvailable()) {
qDebug() << "No systray icon available. Things won't work for now, sorry...";
exit(1);
}
app.setQuitOnLastWindowClosed(false);
QQmlApplicationEngine engine;
QQmlContext *ctx = engine.rootContext();
QJsonModel *model = new QJsonModel;
std::string json = R"({"appName": "unknown", "provider": "unknown"})";
model->loadJson(QByteArray::fromStdString(json));
/* the backend handler has slots for calling back to Go when triggered by
signals in Qml. */
Backend backend;
ctx->setContextProperty("backend", &backend);
/* set the json model, load the qml */
ctx->setContextProperty("jsonModel", model);
ctx->setContextProperty("debugQml", debugQml);
engine.load(QUrl(QStringLiteral("qrc:/qml/main.qml")));
/* connect the jsonChanged signal explicitely.
In the lambda, we reload the json in the model every time we receive an
update from Go */
QObject::connect(qw, &QJsonWatch::jsonChanged, [model](QString js) {
model->loadJson(js.toUtf8());
});
/* connect quitDone signal, exit app */
QObject::connect(&backend, &Backend::quitDone, []() {
QGuiApplication::quit();
});
/* register statusChanged callback with CGO */
const char *stCh = "OnStatusChanged";
GoString statusChangedEvt = {stCh, (long int)strlen(stCh)};
SubscribeToEvent(statusChangedEvt, (void *)onStatusChanged);
/* let the Go side initialize its internal state */
InitializeBitmaskContext();
/* kick off your shoes, put your feet up */
return app.exec();
}
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