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Qt+C++ self-built web browser - built on the latest kernel of Chrome blink - improved version

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Preface

This blog is written for <<Qt+C++ self-built web browser - built on the latest kernel of Chrome blink - improved version>>. The code is clean, regular and easy to read. Recommended for learning and application.

Article directory

1. Required tools and software

2. Usage steps

1. Import the library

2. Form interface

3. Running results

3. Online assistance

1. Required tools and software

1. VS, Qt

2. Win10, Win11

2. Usage steps

1. Import the library

The code is as follows (example):


#include "QUrl"
#include <iostream>
#include<string>
#include<QKeyEvent>
#include<QFontDatabase>
#include<QWebEngineSettings>
#include<QWebEngineCookieStore>

2. Form interface

The code is as follows (example):


QT_BEGIN_NAMESPACE

class Ui_MainWindowClass
{
public:
    QAction *actionaa;
    QWidget *centralWidget;
    QGridLayout *gridLayout_3;
    QFrame *frame_2;
    QGridLayout *gridLayout_2;
    QComboBox *comboBox;
    QHBoxLayout *horizontalLayout;
    QPushButton *pushButton_4;
    QPushButton *pushButton_3;
    QPushButton *pushButton_2;
    QLineEdit *lineEdit;
    QPushButton *pushButton;
    QPushButton *pushButton_5;
    QPushButton *pushButton_6;
    QSpacerItem *horizontalSpacer;
    QSpacerItem *horizontalSpacer_2;
    QLabel *label;
    QFrame *frame;
    QGridLayout *gridLayout;
    QWebEngineView *webEngineView;
    QMenuBar *menuBar;
    QToolBar *mainToolBar;
    QStatusBar *statusBar;

    void setupUi(QMainWindow *MainWindowClass)
    {
        if (MainWindowClass->objectName().isEmpty())
            MainWindowClass->setObjectName(QString::fromUtf8("MainWindowClass"));
        MainWindowClass->resize(716, 400);
        actionaa = new QAction(MainWindowClass);
        actionaa->setObjectName(QString::fromUtf8("actionaa"));
        QIcon icon;
        QString iconThemeName = QString::fromUtf8("dfds");
        if (QIcon::hasThemeIcon(iconThemeName)) {
            icon = QIcon::fromTheme(iconThemeName);
        } else {
            icon.addFile(QString::fromUtf8(":/MainWindow/png/\346\211\223\345\274\200\346\226\207\344\273\266\345\244\271-\347\272\242\350\211\262.png"), QSize(), QIcon::Normal, QIcon::Off);
        }
        actionaa->setIcon(icon);
        centralWidget = new QWidget(MainWindowClass);
        centralWidget->setObjectName(QString::fromUtf8("centralWidget"));
        gridLayout_3 = new QGridLayout(centralWidget);
        gridLayout_3->setSpacing(6);
        gridLayout_3->setContentsMargins(11, 11, 11, 11);
        gridLayout_3->setObjectName(QString::fromUtf8("gridLayout_3"));
        frame_2 = new QFrame(centralWidget);
        frame_2->setObjectName(QString::fromUtf8("frame_2"));
        QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
        sizePolicy.setHorizontalStretch(1);
        sizePolicy.setVerticalStretch(0);
        sizePolicy.setHeightForWidth(frame_2->sizePolicy().hasHeightForWidth());
        frame_2->setSizePolicy(sizePolicy);
        QFont font;
        font.setFamily(QString::fromUtf8("3ds"));
        font.setPointSize(16);
        frame_2->setFont(font);
        frame_2->setFrameShape(QFrame::Box);
        frame_2->setFrameShadow(QFrame::Raised);
        gridLayout_2 = new QGridLayout(frame_2);
        gridLayout_2->setSpacing(6);
        gridLayout_2->setContentsMargins(11, 11, 11, 11);
        gridLayout_2->setObjectName(QString::fromUtf8("gridLayout_2"));
        comboBox = new QComboBox(frame_2);
        comboBox->addItem(QString());
        comboBox->addItem(QString());
        comboBox->addItem(QString());
        comboBox->setObjectName(QString::fromUtf8("comboBox"));
        QFont font1;
        font1.setFamily(QString::fromUtf8("\345\276\256\350\275\257\351\233\205\351\273\221"));
        font1.setPointSize(12);
        comboBox->setFont(font1);

        gridLayout_2->addWidget(comboBox, 0, 2, 1, 1);

        horizontalLayout = new QHBoxLayout();
        horizontalLayout->setSpacing(6);
        horizontalLayout->setObjectName(QString::fromUtf8("horizontalLayout"));
        pushButton_4 = new QPushButton(frame_2);
        pushButton_4->setObjectName(QString::fromUtf8("pushButton_4"));

        horizontalLayout->addWidget(pushButton_4);

        pushButton_3 = new QPushButton(frame_2);
        pushButton_3->setObjectName(QString::fromUtf8("pushButton_3"));

        horizontalLayout->addWidget(pushButton_3);

        pushButton_2 = new QPushButton(frame_2);
        pushButton_2->setObjectName(QString::fromUtf8("pushButton_2"));

        horizontalLayout->addWidget(pushButton_2);

        lineEdit = new QLineEdit(frame_2);
        lineEdit->setObjectName(QString::fromUtf8("lineEdit"));
        QFont font2;
        font2.setFamily(QString::fromUtf8("\345\276\256\350\275\257\351\233\205\351\273\221"));
        lineEdit->setFont(font2);

        horizontalLayout->addWidget(lineEdit);

        pushButton = new QPushButton(frame_2);
        pushButton->setObjectName(QString::fromUtf8("pushButton"));
        QFont font3;
        font3.setFamily(QString::fromUtf8("\345\276\256\350\275\257\351\233\205\351\273\221"));
        font3.setPointSize(16);
        pushButton->setFont(font3);

        horizontalLayout->addWidget(pushButton);

        pushButton_5 = new QPushButton(frame_2);
        pushButton_5->setObjectName(QString::fromUtf8("pushButton_5"));
        pushButton_5->setFont(font2);

        horizontalLayout->addWidget(pushButton_5);

        pushButton_6 = new QPushButton(frame_2);
        pushButton_6->setObjectName(QString::fromUtf8("pushButton_6"));
        pushButton_6->setFont(font2);

        horizontalLayout->addWidget(pushButton_6);

        horizontalSpacer = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);

        horizontalLayout->addItem(horizontalSpacer);


        gridLayout_2->addLayout(horizontalLayout, 0, 0, 1, 1);

        horizontalSpacer_2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);

        gridLayout_2->addItem(horizontalSpacer_2, 0, 1, 1, 1);

        label = new QLabel(frame_2);
        label->setObjectName(QString::fromUtf8("label"));
        label->setFont(font2);

        gridLayout_2->addWidget(label, 0, 3, 1, 1);


        gridLayout_3->addWidget(frame_2, 0, 0, 1, 1);

        frame = new QFrame(centralWidget);
        frame->setObjectName(QString::fromUtf8("frame"));
        QSizePolicy sizePolicy1(QSizePolicy::Preferred, QSizePolicy::Preferred);
        sizePolicy1.setHorizontalStretch(0);
        sizePolicy1.setVerticalStretch(6);
        sizePolicy1.setHeightForWidth(frame->sizePolicy().hasHeightForWidth());
        frame->setSizePolicy(sizePolicy1);
        frame->setFrameShape(QFrame::Box);
        frame->setFrameShadow(QFrame::Raised);
        gridLayout = new QGridLayout(frame);
        gridLayout->setSpacing(5);
        gridLayout->setContentsMargins(11, 11, 11, 11);
        gridLayout->setObjectName(QString::fromUtf8("gridLayout"));
        gridLayout->setContentsMargins(0, 0, 0, 0);
        webEngineView = new QWebEngineView(frame);
        webEngineView->setObjectName(QString::fromUtf8("webEngineView"));
        webEngineView->setUrl(QUrl(QString::fromUtf8("about:blank")));

        gridLayout->addWidget(webEngineView, 0, 0, 1, 1);


        gridLayout_3->addWidget(frame, 1, 0, 1, 1);

        mainToolBar->addAction(actionaa);
        mainToolBar->addSeparator();

        retranslateUi(MainWindowClass);

        QMetaObject::connectSlotsByName(MainWindowClass);
    } // setupUi

    void retranslateUi(QMainWindow *MainWindowClass)
    {
        MainWindowClass->setWindowTitle(QCoreApplication::translate("MainWindowClass", "MainWindow", nullptr));
        actionaa->setText(QCoreApplication::translate("MainWindowClass", "aa", nullptr));
#if QT_CONFIG(shortcut)
        actionaa->setShortcut(QCoreApplication::translate("MainWindowClass", "Ctrl+O", nullptr));
#endif // QT_CONFIG(shortcut)
        comboBox->setItemText(0, QString());
        comboBox->setItemText(1, QCoreApplication::translate("MainWindowClass", "www.baidu.com", nullptr));
        comboBox->setItemText(2, QCoreApplication::translate("MainWindowClass", "www.csdn.net", nullptr));

};

namespace Ui {
    class MainWindowClass: public Ui_MainWindowClass {};
} // namespace Ui

QT_END_NAMESPACE

#endif // UI_MAINWINDOW_H

3. The running results are as follows

3. Online assistance:

If you need to install the operating environment or remote debugging, please see your personal QQ business card at the bottom of the article for remote assistance from professional technicians!
1) Remote installation and running environment, code debugging
2) Qt, C++, Python entry guide
3) Interface beautification
4) Software production