Port to QtWebEngineWidgets

Fixes https://invent.kde.org/multimedia/kdenlive/-/issues/775

Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

CMakeLists.txt

@@ -71,7 +71,7 @@ if(WIN32)
     set(MLT_PREFIX "..")
 else()
     set(MLT_PREFIX ${MLT_ROOT_DIR})
-    find_package(Qt5 OPTIONAL_COMPONENTS WebKitWidgets QUIET)
+    find_package(Qt5 OPTIONAL_COMPONENTS WebEngineWidgets QUIET)
 endif()
 
 if(KF5FileMetaData_FOUND)

src/CMakeLists.txt

@@ -65,7 +65,7 @@ add_subdirectory(transitions)
 add_subdirectory(utils)
 add_subdirectory(widgets)
 add_subdirectory(xml)
-if(Qt5WebKitWidgets_FOUND)
+if(Qt5WebEngineWidgets_FOUND)
     add_subdirectory(qt-oauth-lib)
 endif()
 ## top_SRCS
@@ -178,12 +178,12 @@ if(KF5_PURPOSE)
     target_link_libraries(kdenliveLib KF5::Purpose KF5::PurposeWidgets)
 endif()
 
-if(Qt5WebKitWidgets_FOUND)
-    message(STATUS "Found Qt5 WebKitWidgets. You can use your Freesound.org credentials to download files")
-    target_compile_definitions(kdenliveLib PRIVATE -DQT5_USE_WEBKIT)
-    target_link_libraries(kdenliveLib Qt5::WebKitWidgets)
+if(Qt5WebEngineWidgets_FOUND)
+    message(STATUS "Found Qt5 WebEngineWidgets. You can use your Freesound.org credentials to download files")
+    target_compile_definitions(kdenliveLib PRIVATE -DQT5_USE_WEBENGINE)
+    target_link_libraries(kdenliveLib Qt5::WebEngineWidgets)
 else()
-    message(STATUS "Qt5 WebKitWidgets not found. You cannot use your Freesound.org credentials, only preview files can be downloaded from the Online Resources Widget")
+    message(STATUS "Qt5 WebEngineWidgets not found. You cannot use your Freesound.org credentials, only preview files can be downloaded from the Online Resources Widget")
 endif()
 
 if(Q_WS_X11)

src/qt-oauth-lib/logindialog.cpp

@@ -38,7 +38,7 @@
 #include "ui_logindialog_ui.h"
 
 #include "kdenlive_debug.h"
-#include <QWebView>
+#include <QWebEngineView>
 
 LoginDialog::LoginDialog(QWidget *parent)
     : QDialog(parent)
@@ -54,7 +54,7 @@ LoginDialog::LoginDialog(QWidget *parent)
         i18n("Enter your freesound account details to download the highest quality version of this file. Or use the High Quality "
              "preview file instead (no freesound account required)."));
     // m_ui->textBrowser
-    connect(m_ui->webView, &QWebView::urlChanged, this, &LoginDialog::urlChanged);
+    connect(m_ui->webView, &QWebEngineView::urlChanged, this, &LoginDialog::urlChanged);
 }
 
 LoginDialog::~LoginDialog()

src/qt-oauth-lib/logindialog.h

@@ -47,11 +47,10 @@ class LoginDialog;
 
 /**
   \brief This is the dialog that is used to login to freesound
- \details It contains a QWebView object to display the freesound web page. I did try using a QTextBrowser
+ \details It contains a QWebEngineView object to display the freesound web page. I did try using a QTextBrowser
  for this purpose but it responds to the URL that is used to connect with
  "No document for
  https://www.freesound.org/apiv2/oauth2/authorize/?client_id=3duhagdr874c&redirect_uri=https://www.freesound.org/home/app_permissions/permission_granted/&response_type=code"
- The use of QWebView adds a dependency on the KF5WebKit to kdenlive. Need install libkf5webkit5-dev package on ubuntu
  */
 class LoginDialog : public QDialog
 {

src/qt-oauth-lib/oauth2.h

@@ -45,7 +45,7 @@
 const QLatin1String OAuth2_strClientSecret("441d88374716e7a3503997151e4780566f007313"); // obtained when ttguy registered the kdenlive application with freesound
 #endif
 
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
 
 class LoginDialog;
 
@@ -135,6 +135,6 @@ private:
     void buildLoginDialog();
 };
 
-#endif // QT5_USE_WEBKIT
+#endif // QT5_USE_WEBENGINE
 
 #endif // OAUTH2_H

src/ui/logindialog_ui.ui

@@ -15,7 +15,7 @@
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="1" column="0">
-    <widget class="QWebView" name="webView">
+    <widget class="QWebEngineView" name="webView">
      <property name="url">
       <url>
        <string>about:blank</string>
@@ -51,9 +51,9 @@
  </widget>
  <customwidgets>
   <customwidget>
-   <class>QWebView</class>
+   <class>QWebEngineView</class>
    <extends>QWidget</extends>
-   <header>QtWebKitWidgets/QWebView</header>
+   <header>QtWebEngineWidgets/QWebEngineView</header>
   </customwidget>
  </customwidgets>
  <resources/>

src/utils/resourcewidget.cpp

@@ -49,7 +49,7 @@
 #include <QPixmap>
 #include <klocalizedstring.h>
 
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
 #include "qt-oauth-lib/oauth2.h"
 #endif
 
@@ -103,7 +103,7 @@ ResourceWidget::ResourceWidget(QString folder, QWidget *parent)
     search_text->setFocus();
     connect(search_text, SIGNAL(returnPressed()), this, SLOT(slotStartSearch()));
 
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
     m_pOAuth2 = new OAuth2(this);
     connect(m_pOAuth2, &OAuth2::accessTokenReceived, this, &ResourceWidget::slotAccessTokenReceived);
     connect(m_pOAuth2, &OAuth2::accessDenied, this, &ResourceWidget::slotFreesoundAccessDenied);
@@ -375,7 +375,7 @@ void ResourceWidget::slotSaveItem(const QString &originalUrl)
         path.append(m_currentService->getDefaultDownloadName(item));
 
         if (m_currentService->serviceType == AbstractService::FREESOUND) {
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
             sFileExt = m_currentService->getExtension(search_results->currentItem());
 #else
             sFileExt = QStringLiteral("*.") + m_currentInfo.HQpreview.section(QLatin1Char('.'), -1);
@@ -402,7 +402,7 @@ void ResourceWidget::slotSaveItem(const QString &originalUrl)
     }
     slotSetDescription(QString());
     button_import->setEnabled(false); // disable buttons while download runs. enabled in slotGotFile
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
     if (m_currentService->serviceType == AbstractService::FREESOUND) { // open a dialog to authenticate with free sound and download the file
         m_pOAuth2->obtainAccessToken();                                // when  job finished   ResourceWidget::slotAccessTokenReceived will be called
     } else {                                                           // not freesound - do file download via a KIO file copy job
@@ -841,7 +841,7 @@ void ResourceWidget::DownloadRequestFinished(QNetworkReply *reply)
                 m_desc.append(m_saveLocation);
                 updateLayout();
             } else {
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
                 m_pOAuth2->ForgetAccessToken();
 #endif
                 m_desc.append(QStringLiteral("<br>") + i18n("Error Saving File"));
@@ -850,11 +850,11 @@ void ResourceWidget::DownloadRequestFinished(QNetworkReply *reply)
         } else {
 
             if (reply->error() == QNetworkReply::AuthenticationRequiredError) {
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
                 m_pOAuth2->obtainNewAccessToken();
 #endif
             } else {
-#ifdef QT5_USE_WEBKIT
+#ifdef QT5_USE_WEBENGINE
                 m_pOAuth2->ForgetAccessToken();
 #endif
                 m_desc.append(QStringLiteral("<br>") + i18n("Error Downloading File. Error code: %1", reply->error()) + QStringLiteral("<br>"));