From bfbee1bdecde242e0c1697f3ce24fdd640181b03 Mon Sep 17 00:00:00 2001
From: Phenom <retrosharephenom@gmail.com>
Date: Mon, 9 Nov 2020 15:26:08 +0100
Subject: [PATCH] Add View Source in RSTextBrowser

---
 .../src/gui/common/RSTextBrowser.cpp          | 56 ++++++++++++++++---
 retroshare-gui/src/gui/common/RSTextBrowser.h |  6 ++
 2 files changed, 55 insertions(+), 7 deletions(-)

diff --git a/retroshare-gui/src/gui/common/RSTextBrowser.cpp b/retroshare-gui/src/gui/common/RSTextBrowser.cpp
index 552369a77..7d6776eb1 100644
--- a/retroshare-gui/src/gui/common/RSTextBrowser.cpp
+++ b/retroshare-gui/src/gui/common/RSTextBrowser.cpp
@@ -18,19 +18,24 @@
  *                                                                             *
  *******************************************************************************/
 
-#include <iostream>
-
-#include <QDesktopServices>
-#include <QDir>
-#include <QPainter>
-#include <QTextDocumentFragment>
-
 #include "RSTextBrowser.h"
+
 #include "RSImageBlockWidget.h"
 #include "gui/common/FilesDefs.h"
 
 #include <retroshare/rsinit.h> //To get RsAccounts
 
+#include <QDesktopServices>
+#include <QDialog>
+#include <QDir>
+#include <QGridLayout>
+#include <QMenu>
+#include <QPainter>
+#include <QPlainTextEdit>
+#include <QTextDocumentFragment>
+
+#include <iostream>
+
 RSTextBrowser::RSTextBrowser(QWidget *parent) :
 	QTextBrowser(parent)
 {
@@ -291,3 +296,40 @@ QString RSTextBrowser::anchorForPosition(const QPoint &pos) const
 	}
 	return anchor;
 }
+
+
+#ifndef QT_NO_CONTEXTMENU
+QMenu *RSTextBrowser::createStandardContextMenu()
+{
+	return createStandardContextMenu(QPoint());
+}
+QMenu *RSTextBrowser::createStandardContextMenu(const QPoint &position)
+{
+	QMenu *menu = QTextBrowser::createStandardContextMenu(position);
+
+	menu->addSeparator();
+	QAction *a = menu->addAction(FilesDefs::getIconFromQtResourcePath("://icons/textedit/code.png"), tr("View &Source"), this, SLOT(viewSource()));
+	a->setEnabled(!this->document()->isEmpty());
+
+	return menu;
+}
+#endif // QT_NO_CONTEXTMENU
+
+void RSTextBrowser::viewSource()
+{
+	QString text = this->textCursor().selection().toHtml();
+	if (text.isEmpty())
+		text = this->document()->toHtml();
+
+	QDialog *dialog = new QDialog(this);
+	QPlainTextEdit *pte = new QPlainTextEdit(dialog);
+	pte->setPlainText(text);
+	QGridLayout *gl = new QGridLayout(dialog);
+	gl->addWidget(pte,0,0,1,1);
+	dialog->setWindowTitle(tr("Document source"));
+	dialog->resize(500, 400);
+
+	dialog->exec();
+
+	delete dialog;
+}
diff --git a/retroshare-gui/src/gui/common/RSTextBrowser.h b/retroshare-gui/src/gui/common/RSTextBrowser.h
index 1f4cafd52..e06cd31c8 100644
--- a/retroshare-gui/src/gui/common/RSTextBrowser.h
+++ b/retroshare-gui/src/gui/common/RSTextBrowser.h
@@ -56,6 +56,11 @@ public:
 	QVariant textColorQuotes() const { return highlighter->textColorQuotes();}
 	bool getShowImages() const { return mShowImages; }
 
+#ifndef QT_NO_CONTEXTMENU
+	QMenu *createStandardContextMenu();
+	QMenu *createStandardContextMenu(const QPoint &position);
+#endif
+
 public slots:
 	void showImages();
 	void setTextColorQuote(QColor textColorQuote) { highlighter->setTextColorQuote(textColorQuote);}
@@ -64,6 +69,7 @@ public slots:
 private slots:
 	void linkClicked(const QUrl &url);
 	void destroyImageBlockWidget();
+	void viewSource();
 
 protected:
 	void paintEvent(QPaintEvent *event);