Import Upstream version 4.12.0upstream/4.12.0

1 files changed, 119 insertions, 0 deletions

diff --git a/src/webview.cpp b/src/webview.cpp
new file mode 100644
index 0000000..cfd9af9
--- /dev/null
+++ b/src/webview.cpp
@@ -0,0 +1,119 @@
+#include "webview.h"
+
+#include <QContextMenuEvent>
+#include <QMenu>
+#include <QWebEngineContextMenuData>
+#include <QWebEngineProfile>
+#include <mainwindow.h>
+
+WebView::WebView(QWidget *parent, QStringList dictionaries)
+    : QWebEngineView(parent) {
+  m_dictionaries = dictionaries;
+
+  QObject *parentMainWindow = this->parent();
+  while (!parentMainWindow->objectName().contains("MainWindow")) {
+    parentMainWindow = parentMainWindow->parent();
+  }
+  MainWindow *mainWindow = dynamic_cast<MainWindow *>(parentMainWindow);
+
+  connect(this, &WebView::titleChanged, mainWindow,
+          &MainWindow::handleWebViewTitleChanged);
+  connect(this, &WebView::loadFinished, mainWindow,
+          &MainWindow::handleLoadFinished);
+  connect(this, &WebView::renderProcessTerminated,
+          [this](QWebEnginePage::RenderProcessTerminationStatus termStatus,
+                 int statusCode) {
+            QString status;
+            switch (termStatus) {
+            case QWebEnginePage::NormalTerminationStatus:
+              status = tr("Render process normal exit");
+              break;
+            case QWebEnginePage::AbnormalTerminationStatus:
+              status = tr("Render process abnormal exit");
+              break;
+            case QWebEnginePage::CrashedTerminationStatus:
+              status = tr("Render process crashed");
+              break;
+            case QWebEnginePage::KilledTerminationStatus:
+              status = tr("Render process killed");
+              break;
+            }
+            QMessageBox::StandardButton btn =
+                QMessageBox::question(window(), status,
+                                      tr("Render process exited with code: %1\n"
+                                         "Do you want to reload the page ?")
+                                          .arg(statusCode));
+            if (btn == QMessageBox::Yes)
+              QTimer::singleShot(0, this, [this] { this->reload(); });
+          });
+}
+
+void WebView::wheelEvent(QWheelEvent *event) {
+  if (event->modifiers().testFlag(Qt::ControlModifier)) {
+    qDebug() << "skipped ctrl + m_wheel event on webengineview";
+    // do nothing
+  } else {
+    qDebug() << "wheel event on webengine view";
+    QWebEngineView::wheelEvent(event);
+  }
+}
+
+void WebView::contextMenuEvent(QContextMenuEvent *event) {
+
+  QMenu *menu = page()->createStandardContextMenu();
+  menu->setAttribute(Qt::WA_DeleteOnClose, true);
+  // hide reload, back, forward, savepage, copyimagelink menus
+  foreach (auto *action, menu->actions()) {
+    if (action == page()->action(QWebEnginePage::SavePage) ||
+        action == page()->action(QWebEnginePage::Reload) ||
+        action == page()->action(QWebEnginePage::Back) ||
+        action == page()->action(QWebEnginePage::Forward) ||
+        action == page()->action(QWebEnginePage::CopyImageUrlToClipboard)) {
+      action->setVisible(false);
+    }
+  }
+
+  const QWebEngineContextMenuData &data = page()->contextMenuData();
+  Q_ASSERT(data.isValid());
+
+  // allow context menu on image
+  if (data.mediaType() == QWebEngineContextMenuData::MediaTypeImage) {
+    QWebEngineView::contextMenuEvent(event);
+    return;
+  }
+  // if content is not editable
+  if (data.selectedText().isEmpty() && !data.isContentEditable()) {
+    event->ignore();
+    return;
+  }
+
+  QWebEngineProfile *profile = page()->profile();
+  const QStringList &languages = profile->spellCheckLanguages();
+
+  menu->addSeparator();
+
+  QAction *spellcheckAction = new QAction(tr("Check Spelling"), menu);
+  spellcheckAction->setCheckable(true);
+  spellcheckAction->setChecked(profile->isSpellCheckEnabled());
+  connect(spellcheckAction, &QAction::toggled, this,
+          [profile, this](bool toogled) {
+            profile->setSpellCheckEnabled(toogled);
+            settings.setValue("sc_enabled", toogled);
+          });
+  menu->addAction(spellcheckAction);
+
+  if (profile->isSpellCheckEnabled()) {
+    QMenu *subMenu = menu->addMenu(tr("Select Language"));
+    for (const QString &dict : qAsConst(m_dictionaries)) {
+      QAction *action = subMenu->addAction(dict);
+      action->setCheckable(true);
+      action->setChecked(languages.contains(dict));
+      connect(action, &QAction::triggered, this, [profile, dict, this]() {
+        profile->setSpellCheckLanguages(QStringList() << dict);
+        settings.setValue("sc_dict", dict);
+      });
+    }
+  }
+  connect(menu, &QMenu::aboutToHide, menu, &QObject::deleteLater);
+  menu->popup(event->globalPos());
+}