Qt CEF融合技QCefView使用教程(推荐)

git clone https://github.com/CefView/QCefView.git

git clone https://github.com/CefView/CefViewCore.git

class QCEFVIEW_EXPORT QCefView : public QWidget
{
  /// <summary>
  ///
  /// </summary>
  Q_OBJECT

public:
  /// <summary>
  ///
  /// </summary>
  QCefView(const QString url, QWidget* parent = 0);

QCefView::QCefView(const QString url, QWidget* parent )
  : QWidget(parent)
  , pImpl_(nullptr)
{
  // initialize the layout
  QVBoxLayout* layout = new QVBoxLayout(this);
  layout->setContentsMargins(0, 0, 0, 0);
  setLayout(layout);

  // create the window
  QCefWindow* pCefWindow = new QCefWindow(windowHandle(), this);
  pCefWindow->create();

  // create window container
  QWidget* windowContainer = createWindowContainer(pCefWindow, this);
  layout->addWidget(windowContainer);

  // create the implementation
  // url传到这里打开
  pImpl_ = std::unique_ptr<Implementation>(new Implementation(url, this, pCefWindow));

  // If we're already part of a window, we'll install our event handler
  // If our parent changes later, this will be handled in QCefView::changeEvent()
  if (this->window())
    this->window()->installEventFilter(this);
}

///
// Create a new browser window using the window parameters specified by
// |windowInfo|. All values will be copied internally and the actual window will
// be created on the UI thread. If |request_context| is NULL the global request
// context will be used. This function can be called on any browser process
// thread and will not block. The optional |extra_info| parameter provides an
// opportUnity to specify extra infORMation specific to the created browser that
// will be passed to cef_render_process_handler_t::on_browser_created() in the
// render process.
///
CEF_EXPORT int cef_browser_host_create_browser(
    const cef_window_info_t* windowInfo,
    struct _cef_client_t* client,
    const cef_string_t* url,
    const struct _cef_browser_settings_t* settings,
    struct _cef_dictionary_value_t* extra_info,
    struct _cef_request_context_t* request_context);

QCefWindow::QCefWindow(QWindow* parent, QCefView* hostView )
  : QWindow(parent)
  , hwndCefBrowser_(nullptr)
{
  setFlags(Qt::FramelessWindowHint);

  CCefManager::getInstance().initializeCef();
}

void
QCefWindow::resizeEvent(QResizeEvent* e)
{
  syncCefBrowserWindow();
  QWindow::resizeEvent(e);
}

#ifndef CUSTOMCEFVIEW_H
#define CUSTOMCEFVIEW_H

#include <QCefView.h>

class CustomCefView : public QCefView
{
  Q_OBJECT

public:
  using QCefView::QCefView;
  ~CustomCefView();

  void changeColor();

protected:
  virtual void onDraggableRegionChanged(const QRegion& region) override;

  virtual void onQCefUrlRequest(const QString& url) override;

  virtual void onQCefQueryRequest(const QCefQuery& query) override;

  virtual void onInvokeMethodNotify(int browserId,
                                    int frameId,
                                    const QString& method,
                                    const QVariantList& arguments) override;

private:
};

#endif // CUSTOMCEFVIEW_H

cefview = new CustomCefView("https://www.baidu.com/", this);
ui.cefContainer->layout()->addWidget(cefview);

#pragma once

#include <QtWidgets/QWidget>
#include "ui_MyTest.h"
#include "customcefview.h"

class MyTest : public QWidget
{
    Q_OBJECT

public:
    MyTest(QWidget *parent = Q_NULLPTR);

private:
    Ui::MyTestClass ui;

    CustomCefView* m_pCefView = nullptr;
};

#include "MyTest.h"
#include <QVBoxLayout>
#include <QLabel>

MyTest::MyTest(QWidget *parent)
    : QWidget(parent)
{
    ui.setupUi(this);

    QVBoxLayout* pVlay = new QVBoxLayout(this);

    QLabel* label = new QLabel(u8"Qt CEF Demo");
    label->setFixedHeight(30);

    m_pCefView = new CustomCefView("https://www.baidu.com/", this);

    pVlay->addWidget(label);
    pVlay->addWidget(m_pCefView);
    setLayout(pVlay);
}