Utils: Remove ObjectReplacementChars when copying from markdownbrowser

Change-Id: I9ab8a2995eff866a13a5dbe269a53dcfb4dfeec2
Reviewed-by: <lie@spyro-soft.com>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/libs/utils/markdownbrowser.cpp

@@ -29,6 +29,8 @@
 #include <QTextBlock>
 #include <QTextBrowser>
 #include <QTextDocument>
+#include <QTextDocumentFragment>
+#include <QTextDocumentWriter>
 #include <QTextObjectInterface>
 
 namespace Utils {
@@ -862,6 +864,31 @@ void MarkdownBrowser::mousePressEvent(QMouseEvent *event)
     QTextBrowser::mousePressEvent(event);
 }
 
+QMimeData *MarkdownBrowser::createMimeDataFromSelection() const
+{
+    // Basically a copy of QTextEditMimeData::setup, just replacing the object markers.
+    QMimeData *mimeData = new QMimeData;
+    QTextDocumentFragment fragment(textCursor());
+
+    static const auto removeObjectChar = [](QString &&text) {
+        return text.replace(QChar::ObjectReplacementCharacter, "");
+    };
+
+    mimeData->setData("text/html", removeObjectChar(fragment.toHtml()).toUtf8());
+    mimeData->setData("text/markdown", removeObjectChar(fragment.toMarkdown()).toUtf8());
+    {
+        QBuffer buffer;
+        QTextDocumentWriter writer(&buffer, "ODF");
+        if (writer.write(fragment)) {
+            buffer.close();
+            mimeData->setData("application/vnd.oasis.opendocument.text", buffer.data());
+        }
+    }
+    mimeData->setText(removeObjectChar(fragment.toPlainText()));
+
+    return mimeData;
+}
+
 } // namespace Utils
 
 #include "markdownbrowser.moc"

src/libs/utils/markdownbrowser.h

@@ -42,6 +42,8 @@ protected:
     void changeEvent(QEvent *event) override;
     void mousePressEvent(QMouseEvent *event) override;
 
+    QMimeData *createMimeDataFromSelection() const override;
+
 private:
     void handleAnchorClicked(const QUrl &link);
     void postProcessDocument(bool firstTime);