////  GVRMainWindow.cpp//  gvr-interface/src////  Created by Stephen Birarda on 1/20/14.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include <QtGui/QKeyEvent>#include <QtWidgets/QApplication>#include <QtWidgets/QInputDialog>#include <QtWidgets/QLabel>#include <QtWidgets/QLineEdit>#include <QtWidgets/QMenuBar>#include <QtWidgets/QMessageBox>#include <QtWidgets/QVBoxLayout> #ifndef ANDROID #include <QtWidgets/QDesktopWidget> #elif defined(HAVE_LIBOVR) #include <OVR_CAPI.h> const float LIBOVR_DOUBLE_TAP_DURATION = 0.25f;const float LIBOVR_LONG_PRESS_DURATION = 0.75f; #endif #include <AddressManager.h> #include "InterfaceView.h"#include "LoginDialog.h"#include "RenderingClient.h" #include "GVRMainWindow.h"   GVRMainWindow::GVRMainWindow(QWidget* parent) :    QMainWindow(parent),#if defined(ANDROID) && defined(HAVE_LIBOVR)    _backKeyState(LIBOVR_DOUBLE_TAP_DURATION, LIBOVR_LONG_PRESS_DURATION),    _wasBackKeyDown(false),#endif    _mainLayout(NULL),    _menuBar(NULL),    _loginAction(NULL){    #ifndef ANDROID    const int NOTE_4_WIDTH = 2560;    const int NOTE_4_HEIGHT = 1440;    setFixedSize(NOTE_4_WIDTH / 2, NOTE_4_HEIGHT / 2);#endif        setupMenuBar();        QWidget* baseWidget = new QWidget(this);        // setup a layout so we can vertically align to top    _mainLayout = new QVBoxLayout(baseWidget);    _mainLayout->setAlignment(Qt::AlignTop);        // set the layout on the base widget    baseWidget->setLayout(_mainLayout);        setCentralWidget(baseWidget);        // add the interface view    new InterfaceView(baseWidget);} GVRMainWindow::~GVRMainWindow() {    delete _menuBar;} void GVRMainWindow::keyPressEvent(QKeyEvent* event) {#ifdef ANDROID    if (event->key() == Qt::Key_Back) {        // got the Android back key, hand off to OVR KeyState        _backKeyState.HandleEvent(ovr_GetTimeInSeconds(), true, (_wasBackKeyDown ? 1 : 0));        _wasBackKeyDown = true;        return;    }#endif    QWidget::keyPressEvent(event);} void GVRMainWindow::keyReleaseEvent(QKeyEvent* event) {#ifdef ANDROID    if (event->key() == Qt::Key_Back) {        // release on the Android back key, hand off to OVR KeyState        _backKeyState.HandleEvent(ovr_GetTimeInSeconds(), false, 0);        _wasBackKeyDown = false;    }#endif    QWidget::keyReleaseEvent(event);} void GVRMainWindow::setupMenuBar() {    QMenu* fileMenu = new QMenu("File");    QMenu* helpMenu = new QMenu("Help");        _menuBar = new QMenuBar(0);        _menuBar->addMenu(fileMenu);    _menuBar->addMenu(helpMenu);        QAction* goToAddress = new QAction("Go to Address", fileMenu);    connect(goToAddress, &QAction::triggered, this, &GVRMainWindow::showAddressBar);    fileMenu->addAction(goToAddress);        _loginAction = new QAction("Login", fileMenu);    fileMenu->addAction(_loginAction);        // change the login action depending on our logged in/out state    AccountManager& accountManager = AccountManager::getInstance();    connect(&accountManager, &AccountManager::loginComplete, this, &GVRMainWindow::refreshLoginAction);    connect(&accountManager, &AccountManager::logoutComplete, this, &GVRMainWindow::refreshLoginAction);        // refresh the state now    refreshLoginAction();        QAction* aboutQt = new QAction("About Qt", helpMenu);    connect(aboutQt, &QAction::triggered, qApp, &QApplication::aboutQt);    helpMenu->addAction(aboutQt);        setMenuBar(_menuBar);} void GVRMainWindow::showAddressBar() {    // setup the address QInputDialog    QInputDialog* addressDialog = new QInputDialog(this);    addressDialog->setLabelText("Address");        // add the address dialog to the main layout    _mainLayout->addWidget(addressDialog);        connect(addressDialog, &QInputDialog::textValueSelected,             DependencyManager::get<AddressManager>().data(), &AddressManager::handleLookupString);} void GVRMainWindow::showLoginDialog() {    LoginDialog* loginDialog = new LoginDialog(this);        // have the acccount manager handle credentials from LoginDialog    AccountManager& accountManager = AccountManager::getInstance();    connect(loginDialog, &LoginDialog::credentialsEntered, &accountManager, &AccountManager::requestAccessToken);    connect(&accountManager, &AccountManager::loginFailed, this, &GVRMainWindow::showLoginFailure);        _mainLayout->addWidget(loginDialog);} void GVRMainWindow::showLoginFailure() {    QMessageBox::warning(this, "Login Failed",                         "Could not log in with that username and password. Please try again!");} void GVRMainWindow::refreshLoginAction() {    AccountManager& accountManager = AccountManager::getInstance();    disconnect(_loginAction, &QAction::triggered, &accountManager, 0);        if (accountManager.isLoggedIn()) {        _loginAction->setText("Logout");        connect(_loginAction, &QAction::triggered, &accountManager, &AccountManager::logout);    } else {        _loginAction->setText("Login");        connect(_loginAction, &QAction::triggered, this, &GVRMainWindow::showLoginDialog);    }    }