1 files changed, 81 insertions, 0 deletions
diff --git a/src-qt5/desktop-utils/lumina-fm/Browser.cpp b/src-qt5/desktop-utils/lumina-fm/Browser.cpp
new file mode 100644
index 00000000..b207604c
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/Browser.cpp
@@ -0,0 +1,81 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2016, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "Browser.h"
+
+Browser::Browser(QObject *parent) : QObject(parent){
+  watcher = new QFileSystemWatcher(this);
+  connect(watcher, SIGNAL(fileChanged(const QString&)), this, SLOT(fileChanged(QString)) );
+  connect(watcher, SIGNAL(directoryChanged(const QString&)), this, SLOT(dirChanged(QString)) );
+  showHidden = false;
+}
+
+Browser::~Browser(){
+  watcher->deleteLater();
+}
+
+QString Browser::currentDirectory(){ return currentDir; }
+
+void Browser::showHiddenFiles(bool show){
+  if(show !=showHidden){
+    showHidden = show;
+    QTimer::singleShot(0, this, SLOT(loadDirectory()) );
+  }
+}
+bool Browser::showingHiddenFiles(){
+  return showHidden;
+}
+
+//   PRIVATE
+void Browser::loadItem(QFileInfo info){
+  LFileInfo linfo(info);
+  QIcon ico;
+  if(linfo.isImage()){
+    QPixmap pix;
+    if(pix.load(info.absoluteFilePath()) ){
+      if(pix.height()>128){ pix = pix.scaled(128, 128, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation); }
+      ico.addPixmap(pix);
+    }
+  }else if(linfo.isDirectory()){
+    ico = LXDG::findIcon("folder","inode/directory");
+  }
+  if(ico.isNull()){ ico = LXDG::findIcon(linfo.mimetype(), "unknown"); }
+  emit ItemDataAvailable(ico, linfo);
+}
+
+// PRIVATE SLOTS
+void Browser::fileChanged(QString file){
+  if(file.startsWith(currentDir+"/")){ emit itemUpdated(file); }
+  else if(file==currentDir){ QTimer::singleShot(0, this, SLOT(loadDirectory()) ); }
+}
+
+void Browser::dirChanged(QString dir){
+  if(dir==currentDir){ QTimer::singleShot(0, this, SLOT(loadDirectory()) ); }
+  else if(dir.startsWith(currentDir)){ emit itemUpdated(dir); }
+}
+
+// PUBLIC SLOTS
+QString Browser::loadDirectory(QString dir){
+  if(dir.isEmpty()){ dir = currentDir; } //reload current directory
+  if(dir.isEmpty()){ return; } //nothing to do - nothing previously loaded
+  //clean up the watcher first
+  QStringList watched; watched << watcher->files() << watcher->directories();
+  if(!watched.isEmpty()){ watcher->removePaths(watched); }
+  emit clearItems(); //let the main widget know to clear all current items
+  //QApplication::processEvents();
+  // read the given directory
+  QDir directory(dir);
+  if(directory.exists()){
+    QFileInfoList files;
+    if(showHidden){ files = directory.entryInfoList( QDir::Dirs | QDir::Files | QDir::Hidden | QDir::NoDotOrDotDot, QDir::NoSort); }
+    else{ files = directory.entryInfoList( QDir::Dirs | QDir::Files | QDir::NoDotOrDotDot, QDir::NoSort); }
+    for(int i=0; i<files.length(); i++){
+      watcher->addPath(files[i].absoluteFilePath());
+      QtConcurrent::run(this, &Browser::loadDirectory, files[i]);
+    }
+    watcher->addPath(directory.absolutePath());
+  }
+}