Add file list sorting

imageringlist.cpp

@@ -129,7 +129,9 @@ bool ImageRingList::setDir(const QString path, const QString &currentFile)
 
     if(dir.exists())
     {
-        QStringList list = dir.entryList(m_nameFilter, QDir::Files | QDir::Readable, m_liveMode ? QDir::Time : QDir::Name | QDir::IgnoreCase);
+        QDir::SortFlags sortFlags = m_liveMode ? QDir::Time : m_sort | QDir::IgnoreCase;
+        if(m_reversed)sortFlags |= QDir::Reversed;
+        QStringList list = dir.entryList(m_nameFilter, QDir::Files | QDir::Readable, sortFlags);
         QStringList absolutePaths;
         foreach(const QString &file, list)
         {
@@ -377,6 +379,29 @@ void ImageRingList::setPreload(int width)
     m_width = newWidth;
 }
 
+void ImageRingList::setSort(QDir::SortFlag sort)
+{
+    if(m_sort != sort)
+    {
+        m_sort = sort;
+        if(m_images.size())
+        {
+            QString path = (*m_currImage)->name();
+            setFile(path);
+        }
+    }
+}
+
+void ImageRingList::reverseSort()
+{
+    m_reversed = !m_reversed;
+    if(m_images.size())
+    {
+        QString path = (*m_currImage)->name();
+        setFile(path);
+    }
+}
+
 void ImageRingList::setFiles(const QStringList files, const QString &currentFile)
 {
     QThreadPool::globalInstance()->clear();