FEATURE: Files contained in a torrent are opened on double click (files panel)

Changelog

@@ -11,6 +11,7 @@
     - FEATURE: qBittorrent can identify itself as uTorrent, Vuze or KTorrent (Any stable version)
     - FEATURE: Torrents can be renamed in transfer list
     - FEATURE: Display torrent addition dialog for magnet links too
+    - FEATURE: Files contained in a torrent are opened on double click (files panel)
     - BUGFIX: Use XDG folders (.cache, .local) instead of .qbittorrent
     - COSMETIC: Use checkboxes to filter torrent content instead of comboboxes
     - COSMETIC: Use alternating row colors in transfer list (set in program preferences)

src/propertieswidget.cpp

@@ -38,6 +38,7 @@
 #include <QMessageBox>
 #include <QMenu>
 #include <QFileDialog>
+#include <QDesktopServices>
 #include <QInputDialog>
 #include "propertieswidget.h"
 #include "transferlistwidget.h"
@@ -83,6 +84,7 @@ PropertiesWidget::PropertiesWidget(QWidget *parent, GUI* main_window, TransferLi
   connect(collapseAllButton, SIGNAL(clicked()), filesList, SLOT(collapseAll()));
   connect(expandAllButton, SIGNAL(clicked()), filesList, SLOT(expandAll()));
   connect(filesList, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayFilesListMenu(const QPoint&)));
+  connect(filesList, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(openDoubleClickedFile(QModelIndex)));
   connect(PropListModel, SIGNAL(filteredFilesChanged()), this, SLOT(filteredFilesChanged()));
   connect(addWS_button, SIGNAL(clicked()), this, SLOT(askWebSeed()));
   connect(deleteWS_button, SIGNAL(clicked()), this, SLOT(deleteSelectedUrlSeeds()));
@@ -467,6 +469,22 @@ void PropertiesWidget::on_files_button_clicked() {
   }
 }
 
+void PropertiesWidget::openDoubleClickedFile(QModelIndex index) {
+  if(!index.isValid()) return;
+  if(!h.is_valid() || !h.has_metadata()) return;
+  if(PropListModel->getType(index) == TFILE) {
+    int i = PropListModel->getFileIndex(index);
+    QDir saveDir(h.save_path());
+    QString filename = misc::toQString(h.get_torrent_info().file_at(i).path.string());
+    QString file_path = QDir::cleanPath(saveDir.absoluteFilePath(filename));
+    qDebug("Trying to open file at %s", file_path.toLocal8Bit().data());
+    if(QFile::exists(file_path))
+      QDesktopServices::openUrl("file://"+file_path);
+    else
+      QMessageBox::warning(this, tr("I/O Error"), tr("This file does not exist yet."));
+  }
+}
+
 void PropertiesWidget::displayFilesListMenu(const QPoint&){
   QMenu myFilesLlistMenu;
   QModelIndexList selectedRows = filesList->selectionModel()->selectedRows(0);

src/propertieswidget.h

@@ -100,6 +100,7 @@ public slots:
   void readSettings();
   void saveSettings();
   void reloadPreferences();
+  void openDoubleClickedFile(QModelIndex);
 
 public:
   PropertiesWidget(QWidget *parent, GUI* main_window, TransferListWidget *transferList, Bittorrent* BTSession);

src/qtorrenthandle.cpp

@@ -357,11 +357,11 @@ size_type QTorrentHandle::total_payload_upload() {
 // to all files in a torrent
 QStringList QTorrentHandle::files_path() const {
   Q_ASSERT(h.is_valid());
-  QString saveDir = misc::toQString(h.save_path().string()) + QDir::separator();
+  QDir saveDir(misc::toQString(h.save_path().string()));
   QStringList res;
   torrent_info::file_iterator fi = h.get_torrent_info().begin_files();
   while(fi != h.get_torrent_info().end_files()) {
-    res << QDir::cleanPath(saveDir + misc::toQString(fi->path.string()));
+    res << QDir::cleanPath(saveDir.absoluteFilePath(misc::toQString(fi->path.string())));
     fi++;
   }
   return res;