
...
    if (m_inputhtml) {
        return snull;
    } else {
        if (prefs.previewPlainPre) {
        m_eolbr = false;
        return string("<qt><head><title></title></head><body>"
                "<pre>");
// Note we could also use the following for line-folding instead of <br>s
// This would be possible without recomputing the whole text, much better perfs
// for toggling wrap/no-wrap
//                  "<pre style=\"white-space: pre-wrap\">");
        } else {
        m_eolbr = true;
        return string("<qt><head><title></title></head><body>");
        }
    }
...
void Preview::setCurTabProps(const Rcl::Doc &doc, int docnum)
{
    LOGDEB1(("PreviewTextEdit::setCurTabProps\n"));
    QString title;
    string ctitle;
    if (doc.getmeta(Rcl::Doc::keytt, &ctitle) && !ctitle.empty()) {
    title = QString::fromUtf8(ctitle.c_str(), ctitle.length());
    } else {
        title = QString::fromLocal8Bit(path_getsimple(doc.url).c_str());
    }
    if (title.length() > 20) {
...
    closeCurrentTab();
    return false;
    }
    raise();
    return true;
}
void Preview::togglePlainPre()
{
    prefs.previewPlainPre = !prefs.previewPlainPre;
    
    PreviewTextEdit *editor = currentEditor();
    if (editor)
  loadDocInCurrentTab(editor->m_dbdoc, editor->m_docnum);
}

void Preview::emitWordSelect(QString word)
{
    emit(wordSelect(word));
...
    ~LoadGuard() {*m_bp = false; CancelCheck::instance().setCancel(false);}
};

bool Preview::loadDocInCurrentTab(const Rcl::Doc &idoc, int docnum)
{
    LOGDEB1(("Preview::loadDocInCurrentTab()\n"));

    LoadGuard guard(&m_loading);
    CancelCheck::instance().setCancel(false);

    m_haveAnchors = false;
...
    break;
    }
    popup->addAction(tr("Select All"), this, SLOT(selectAll()));
    popup->addAction(tr("Copy"), this, SLOT(copy()));
    popup->addAction(tr("Print"), this, SLOT(print()));
    if (prefs.previewPlainPre) {
  popup->addAction(tr("Fold lines"), m_preview, SLOT(togglePlainPre()));
    } else {
  popup->addAction(tr("Preserve indentation"), 
           m_preview, SLOT(togglePlainPre()));
    }
    // Need to check ipath until we fix the internfile bug that always
    // has it convert to html for top level docs
    if (!m_dbdoc.url.empty() && !m_dbdoc.ipath.empty())
    popup->addAction(tr("Save document to file"), 
             m_preview, SLOT(emitSaveDocToFile()));

	a/src/qtgui/preview_w.cpp		b/src/qtgui/preview_w.cpp
	...		...
78	if (m_inputhtml) {	78	if (m_inputhtml) {
79	return snull;	79	return snull;
80	} else {	80	} else {
81	if (prefs.previewPlainPre) {	81	if (prefs.previewPlainPre) {
82	m_eolbr = false;	82	m_eolbr = false;
83	return string("<qt><head><title></title></head><body><pre>");	83	return string("<qt><head><title></title></head><body>"
		84	"<pre>");
		85	// Note we could also use the following for line-folding instead of <br>s
		86	// This would be possible without recomputing the whole text, much better perfs
		87	// for toggling wrap/no-wrap
		88	// "<pre style=\"white-space: pre-wrap\">");
84	} else {	89	} else {
85	m_eolbr = true;	90	m_eolbr = true;
86	return string("<qt><head><title></title></head><body>");	91	return string("<qt><head><title></title></head><body>");
87	}	92	}
88	}	93	}
	...		...
503	void Preview::setCurTabProps(const Rcl::Doc &doc, int docnum)	508	void Preview::setCurTabProps(const Rcl::Doc &doc, int docnum)
504	{	509	{
505	LOGDEB1(("PreviewTextEdit::setCurTabProps\n"));	510	LOGDEB1(("PreviewTextEdit::setCurTabProps\n"));
506	QString title;	511	QString title;
507	string ctitle;	512	string ctitle;
508	if (doc.getmeta(Rcl::Doc::keytt, &ctitle)) {	513	if (doc.getmeta(Rcl::Doc::keytt, &ctitle) && !ctitle.empty()) {
509	title = QString::fromUtf8(ctitle.c_str(), ctitle.length());	514	title = QString::fromUtf8(ctitle.c_str(), ctitle.length());
510	} else {	515	} else {
511	title = QString::fromLocal8Bit(path_getsimple(doc.url).c_str());	516	title = QString::fromLocal8Bit(path_getsimple(doc.url).c_str());
512	}	517	}
513	if (title.length() > 20) {	518	if (title.length() > 20) {
	...		...
574	closeCurrentTab();	579	closeCurrentTab();
575	return false;	580	return false;
576	}	581	}
577	raise();	582	raise();
578	return true;	583	return true;
		584	}
		585	void Preview::togglePlainPre()
		586	{
		587	prefs.previewPlainPre = !prefs.previewPlainPre;
		588
		589	PreviewTextEdit *editor = currentEditor();
		590	if (editor)
		591	loadDocInCurrentTab(editor->m_dbdoc, editor->m_docnum);
579	}	592	}
580		593
581	void Preview::emitWordSelect(QString word)	594	void Preview::emitWordSelect(QString word)
582	{	595	{
583	emit(wordSelect(word));	596	emit(wordSelect(word));
	...		...
701	~LoadGuard() {*m_bp = false; CancelCheck::instance().setCancel(false);}	714	~LoadGuard() {*m_bp = false; CancelCheck::instance().setCancel(false);}
702	};	715	};
703		716
704	bool Preview::loadDocInCurrentTab(const Rcl::Doc &idoc, int docnum)	717	bool Preview::loadDocInCurrentTab(const Rcl::Doc &idoc, int docnum)
705	{	718	{
706	LOGDEB1(("PreviewTextEdit::loadDocInCurrentTab()\n"));	719	LOGDEB1(("Preview::loadDocInCurrentTab()\n"));
707		720
708	LoadGuard guard(&m_loading);	721	LoadGuard guard(&m_loading);
709	CancelCheck::instance().setCancel(false);	722	CancelCheck::instance().setCancel(false);
710		723
711	m_haveAnchors = false;	724	m_haveAnchors = false;
	...		...
1013	break;	1026	break;
1014	}	1027	}
1015	popup->addAction(tr("Select All"), this, SLOT(selectAll()));	1028	popup->addAction(tr("Select All"), this, SLOT(selectAll()));
1016	popup->addAction(tr("Copy"), this, SLOT(copy()));	1029	popup->addAction(tr("Copy"), this, SLOT(copy()));
1017	popup->addAction(tr("Print"), this, SLOT(print()));	1030	popup->addAction(tr("Print"), this, SLOT(print()));
		1031	if (prefs.previewPlainPre) {
		1032	popup->addAction(tr("Fold lines"), m_preview, SLOT(togglePlainPre()));
		1033	} else {
		1034	popup->addAction(tr("Preserve indentation"),
		1035	m_preview, SLOT(togglePlainPre()));
		1036	}
1018	// Need to check ipath until we fix the internfile bug that always	1037	// Need to check ipath until we fix the internfile bug that always
1019	// has it convert to html for top level docs	1038	// has it convert to html for top level docs
1020	if (!m_dbdoc.url.empty() && !m_dbdoc.ipath.empty())	1039	if (!m_dbdoc.url.empty() && !m_dbdoc.ipath.empty())
1021	popup->addAction(tr("Save document to file"),	1040	popup->addAction(tr("Save document to file"),
1022	m_preview, SLOT(emitSaveDocToFile()));	1041	m_preview, SLOT(emitSaveDocToFile()));