Add support for copying HTML formatted text from terminal

Currently, only text is supported - this add HTML

Thanks to Anonymous Koavohv koavohv gmail com

REVIEW: 119914

src/Screen.cpp

@@ -1107,23 +1107,35 @@ bool Screen::isSelected(const int x, const int y) const
     return pos >= _selTopLeft && pos <= _selBottomRight && columnInSelection;
 }
 
-QString Screen::selectedText(bool preserveLineBreaks, bool trimTrailingSpaces) const
+QString Screen::selectedText(bool preserveLineBreaks, bool trimTrailingSpaces, bool html) const
 {
     if (!isSelectionValid())
         return QString();
 
-    return text(_selTopLeft, _selBottomRight, preserveLineBreaks, trimTrailingSpaces);
+    return text(_selTopLeft, _selBottomRight, preserveLineBreaks, trimTrailingSpaces, html);
 }
 
-QString Screen::text(int startIndex, int endIndex, bool preserveLineBreaks, bool trimTrailingSpaces) const
+QString Screen::text(int startIndex, int endIndex, bool preserveLineBreaks, bool trimTrailingSpaces, bool html) const
 {
     QString result;
     QTextStream stream(&result, QIODevice::ReadWrite);
 
-    PlainTextDecoder decoder;
-    decoder.begin(&stream);
-    writeToStream(&decoder, startIndex, endIndex, preserveLineBreaks, trimTrailingSpaces);
-    decoder.end();
+    HTMLDecoder htmlDecoder;
+    PlainTextDecoder plainTextDecoder;
+
+    TerminalCharacterDecoder *decoder;
+    if(html)
+    {
+        decoder = &htmlDecoder;
+    }
+    else
+    {
+        decoder = &plainTextDecoder;
+    }
+
+    decoder->begin(&stream);
+    writeToStream(decoder, startIndex, endIndex, preserveLineBreaks, trimTrailingSpaces);
+    decoder->end();
 
     return result;
 }

src/Screen.h

@@ -447,7 +447,7 @@ public:
      * @param trimTrailingSpaces Specifies whether trailing spaces should be
      * trimmed in the returned text.
      */
-    QString selectedText(bool preserveLineBreaks, bool trimTrailingSpaces = false) const;
+    QString selectedText(bool preserveLineBreaks, bool trimTrailingSpaces = false, bool html = false) const;
 
     /**
      * Convenience method.  Returns the text between two indices.
@@ -458,7 +458,7 @@ public:
      * @param trimTrailingSpaces Specifies whether trailing spaces should be
      * trimmed in the returned text.
      */
-    QString text(int startIndex, int endIndex, bool preserveLineBreaks, bool trimTrailingSpaces = false) const;
+    QString text(int startIndex, int endIndex, bool preserveLineBreaks, bool trimTrailingSpaces = false, bool html = false) const;
 
     /**
      * Copies part of the output to a stream.

src/ScreenWindow.cpp

@@ -120,9 +120,9 @@ QVector<LineProperty> ScreenWindow::getLineProperties()
     return result;
 }
 
-QString ScreenWindow::selectedText(bool preserveLineBreaks, bool trimTrailingSpaces) const
+QString ScreenWindow::selectedText(bool preserveLineBreaks, bool trimTrailingSpaces, bool html) const
 {
-    return _screen->selectedText(preserveLineBreaks, trimTrailingSpaces);
+    return _screen->selectedText(preserveLineBreaks, trimTrailingSpaces, html);
 }
 
 void ScreenWindow::getSelectionStart(int& column , int& line)

src/ScreenWindow.h

@@ -232,7 +232,7 @@ public:
      * @param preserveLineBreaks See Screen::selectedText()
      * @param trimTrailingSpaces See Screen::selectedText()
      */
-    QString selectedText(bool preserveLineBreaks, bool trimTrailingSpaces = false) const;
+    QString selectedText(bool preserveLineBreaks, bool trimTrailingSpaces = false, bool html = false) const;
 
 public slots:
     /**

src/TerminalDisplay.cpp

@@ -35,6 +35,7 @@
 #include <QGridLayout>
 #include <QAction>
 #include <QLabel>
+#include <QMimeData>
 #include <QtGui/QPainter>
 #include <QtGui/QPixmap>
 #include <QScrollBar>
@@ -2751,11 +2752,16 @@ void TerminalDisplay::copyToX11Selection()
     QString text = _screenWindow->selectedText(_preserveLineBreaks, _trimTrailingSpaces);
     if (text.isEmpty())
         return;
+    QString html = _screenWindow->selectedText(_preserveLineBreaks, _trimTrailingSpaces, true);
 
-    QApplication::clipboard()->setText(text, QClipboard::Selection);
+    QMimeData *mimeData = new QMimeData;
+    mimeData->setText(text);
+    mimeData->setHtml(html);
+
+    QApplication::clipboard()->setMimeData(mimeData, QClipboard::Selection);
 
     if (_autoCopySelectedText)
-        QApplication::clipboard()->setText(text, QClipboard::Clipboard);
+        QApplication::clipboard()->setMimeData(mimeData, QClipboard::Clipboard);
 }
 
 void TerminalDisplay::copyToClipboard()
@@ -2766,8 +2772,13 @@ void TerminalDisplay::copyToClipboard()
     QString text = _screenWindow->selectedText(_preserveLineBreaks, _trimTrailingSpaces);
     if (text.isEmpty())
         return;
+    QString html = _screenWindow->selectedText(_preserveLineBreaks, _trimTrailingSpaces, true);
+
+    QMimeData *mimeData = new QMimeData;
+    mimeData->setText(text);
+    mimeData->setHtml(html);
 
-    QApplication::clipboard()->setText(text, QClipboard::Clipboard);
+    QApplication::clipboard()->setMimeData(mimeData, QClipboard::Clipboard);
 }
 
 void TerminalDisplay::pasteFromClipboard(bool appendEnter)
@@ -3222,8 +3233,9 @@ void TerminalDisplay::doDrag()
 {
     _dragInfo.state = diDragging;
     _dragInfo.dragObject = new QDrag(this);
-    QMimeData* mimeData = new QMimeData;
-    mimeData->setText(QApplication::clipboard()->text(QClipboard::Selection));
+    QMimeData* mimeData = new QMimeData();
+    mimeData->setText(QApplication::clipboard()->mimeData(QClipboard::Selection)->text());
+    mimeData->setHtml(QApplication::clipboard()->mimeData(QClipboard::Selection)->html());
     _dragInfo.dragObject->setMimeData(mimeData);
     _dragInfo.dragObject->exec(Qt::CopyAction);
 }