2727#include " languageloader.h"
2828#include " languagemanager.h"
2929
30- DocumentHandler::DocumentHandler (QObject *parent) :
31- QObject(parent),
32- m_target(0 ),
33- m_document(0 ),
34- m_highlighter(0 ) {
35-
30+ DocumentHandler::DocumentHandler (QObject *parent)
31+ : QObject(parent)
32+ , m_target(0 )
33+ , m_document(0 )
34+ , m_highlighter(0 )
35+ {
36+
37+ #ifndef QT_NO_FILESYSTEMWATCHER
3638 m_watcher = new QFileSystemWatcher (this );
3739 connect (m_watcher, &QFileSystemWatcher::fileChanged, this , &DocumentHandler::fileChanged);
40+ #else
41+ qWarning () << " Document change notification is not available on this platform"
42+ #endif
3843
3944 m_defStyles = QSharedPointer<LanguageDefaultStyles>::create ();
4045}
4146
42- DocumentHandler::~DocumentHandler () {
47+ DocumentHandler::~DocumentHandler ()
48+ {
49+ #ifndef QT_NO_FILESYSTEMWATCHER
4350 delete m_watcher;
51+ #endif
4452 delete m_highlighter;
4553}
4654
47- void DocumentHandler::setTarget (QQuickItem *target) {
55+ void DocumentHandler::setTarget (QQuickItem *target)
56+ {
4857 m_document = nullptr ;
4958 m_target = target;
50- if (!m_target)
59+ if (!m_target)
5160 return ;
5261
5362 QVariant doc = m_target->property (" textDocument"
54- if (doc.canConvert <QQuickTextDocument*>()) {
55- QQuickTextDocument *qqdoc = doc.value <QQuickTextDocument*>();
56- if (qqdoc) {
63+ if (doc.canConvert <QQuickTextDocument *>()) {
64+ QQuickTextDocument *qqdoc = doc.value <QQuickTextDocument *>();
65+ if (qqdoc) {
5766 m_document = qqdoc->textDocument ();
58- connect (m_document, &QTextDocument::modificationChanged, this , &DocumentHandler::modifiedChanged);
59- if (m_highlighter != nullptr )
67+ connect (m_document, &QTextDocument::modificationChanged, this ,
68+ &DocumentHandler::modifiedChanged);
69+ if (m_highlighter != nullptr )
6070 delete m_highlighter;
6171 m_highlighter = new LiriSyntaxHighlighter (m_document);
6272 m_highlighter->setDefaultStyles (m_defStyles);
@@ -65,28 +75,31 @@ void DocumentHandler::setTarget(QQuickItem *target) {
6575 emit targetChanged ();
6676}
6777
68- bool DocumentHandler::setFileUrl (const QUrl &fileUrl) {
69- if (fileUrl != m_fileUrl) {
70- if (m_watcher->files ().contains (m_fileUrl.toLocalFile ()))
78+ bool DocumentHandler::setFileUrl (const QUrl &fileUrl)
79+ {
80+ if (fileUrl != m_fileUrl) {
81+ #ifndef QT_NO_FILESYSTEMWATCHER
82+ if (m_watcher->files ().contains (m_fileUrl.toLocalFile ()))
7183 m_watcher->removePath (m_fileUrl.toLocalFile ());
7284 m_watcher->addPath (fileUrl.toLocalFile ());
85+ #endif
7386 m_fileUrl = fileUrl;
7487 QString filename = m_fileUrl.toLocalFile ();
7588 qDebug () << m_fileUrl << filename;
7689 QFile file (filename);
77- if (!file.open (QFile::ReadOnly)) {
90+ if (!file.open (QFile::ReadOnly)) {
7891 emit error (file.errorString ());
7992 return false ;
8093 }
8194 QByteArray data = file.readAll ();
82- if (file.error () != QFileDevice::NoError) {
95+ if (file.error () != QFileDevice::NoError) {
8396 emit error (file.errorString ());
8497 file.close ();
8598 return false ;
8699 }
87100 QTextCodec *codec = QTextCodec::codecForUtfText (data, QTextCodec::codecForLocale ());
88101 setText (codec->toUnicode (data));
89- if (m_document) {
102+ if (m_document) {
90103 m_document->setModified (false );
91104
92105 // Enable syntax highlighting
@@ -96,7 +109,7 @@ bool DocumentHandler::setFileUrl(const QUrl &fileUrl) {
96109 auto language = ll.loadMainContextByMimeType (mimeType, m_fileUrl.fileName ());
97110 m_highlighter->setLanguage (language, ll.styleMap ());
98111 }
99- if (m_fileUrl.isEmpty ())
112+ if (m_fileUrl.isEmpty ())
100113 m_documentTitle = QStringLiteral (" New Document"
101114 else
102115 m_documentTitle = QFileInfo (filename).fileName ();
@@ -107,15 +120,17 @@ bool DocumentHandler::setFileUrl(const QUrl &fileUrl) {
107120 return true ;
108121}
109122
110- void DocumentHandler::setDocumentTitle (const QString &title) {
111- if (title != m_documentTitle) {
123+ void DocumentHandler::setDocumentTitle (const QString &title)
124+ {
125+ if (title != m_documentTitle) {
112126 m_documentTitle = title;
113127 emit documentTitleChanged ();
114128 }
115129}
116130
117- QString DocumentHandler::textFragment (int position, int blockCount) {
118- if (m_highlighter) {
131+ QString DocumentHandler::textFragment (int position, int blockCount)
132+ {
133+ if (m_highlighter) {
119134 return m_highlighter->highlightedFragment (position, blockCount, m_document->defaultFont ());
120135 } else {
121136 QTextCursor cursor (m_document->findBlock (position));
@@ -132,26 +147,30 @@ QString DocumentHandler::textFragment(int position, int blockCount) {
132147 }
133148}
134149
135- void DocumentHandler::setText (const QString &text) {
136- if (text != m_text) {
150+ void DocumentHandler::setText (const QString &text)
151+ {
152+ if (text != m_text) {
137153 m_text = text;
138154 emit textChanged ();
139155 }
140156}
141157
142- bool DocumentHandler::saveAs (const QUrl &filename) {
158+ bool DocumentHandler::saveAs (const QUrl &filename)
159+ {
160+ #ifndef QT_NO_FILESYSTEMWATCHER
143161 // Stop monitoring file while saving
144- if (m_watcher->files ().contains (m_fileUrl.toLocalFile ()))
162+ if (m_watcher->files ().contains (m_fileUrl.toLocalFile ()))
145163 m_watcher->removePath (m_fileUrl.toLocalFile ());
164+ #endif
146165
147166 bool success = true ;
148167 QString localPath = filename.toLocalFile ();
149168 QFile file (localPath);
150- if (!file.open (QFile::WriteOnly | QFile::Truncate | QFile::Text)) {
169+ if (!file.open (QFile::WriteOnly | QFile::Truncate | QFile::Text)) {
151170 emit error (file.errorString ());
152171 success = false ;
153172 } else {
154- if (file.write (m_document->toPlainText ().toLocal8Bit ()) == -1 ) {
173+ if (file.write (m_document->toPlainText ().toLocal8Bit ()) == -1 ) {
155174 emit error (file.errorString ());
156175 success = false ;
157176 }
@@ -162,24 +181,27 @@ bool DocumentHandler::saveAs(const QUrl &filename) {
162181 m_document->setModified (false );
163182 }
164183
184+ #ifndef QT_NO_FILESYSTEMWATCHER
165185 // Restart file watcher back after saving completes
166- if (!m_watcher->files ().contains (m_fileUrl.toLocalFile ()))
186+ if (!m_watcher->files ().contains (m_fileUrl.toLocalFile ()))
167187 m_watcher->addPath (m_fileUrl.toLocalFile ());
188+ #endif
168189
169190 return success;
170191}
171192
172- bool DocumentHandler::reloadText () {
193+ bool DocumentHandler::reloadText ()
194+ {
173195 QString filename = m_fileUrl.toLocalFile ();
174196 QFile file (filename);
175- if (!file.open (QFile::ReadOnly)) {
197+ if (!file.open (QFile::ReadOnly)) {
176198 emit error (file.errorString ());
177199 return false ;
178200 }
179201 QByteArray data = file.readAll ();
180202 QTextCodec *codec = QTextCodec::codecForUtfText (data, QTextCodec::codecForLocale ());
181203 setText (codec->toUnicode (data));
182- if (file.error () == QFileDevice::NoError) {
204+ if (file.error () == QFileDevice::NoError) {
183205 file.close ();
184206 return true ;
185207 } else {
@@ -189,8 +211,11 @@ bool DocumentHandler::reloadText() {
189211 }
190212}
191213
192- void DocumentHandler::fileChanged (const QString &file) {
214+ void DocumentHandler::fileChanged (const QString &file)
215+ {
193216 emit fileChangedOnDisk ();
194- if (!m_watcher->files ().contains (file))
217+ #ifndef QT_NO_FILESYSTEMWATCHER
218+ if (!m_watcher->files ().contains (file))
195219 m_watcher->addPath (file);
220+ #endif
196221}
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