Now qbt remembers the last used folder. Fixes #799697.

Conflicts:

	src/preferences/options.ui

src/preferences/options_imp.cpp

@@ -155,6 +155,7 @@ options_imp::options_imp(QWidget *parent):
   connect(textSavePath, SIGNAL(textChanged(QString)), this, SLOT(enableApplyButton()));
   connect(textTempPath, SIGNAL(textChanged(QString)), this, SLOT(enableApplyButton()));
   connect(checkAppendLabel, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
+  connect(checkLastLocation, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(checkAppendqB, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(checkPreallocateAll, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
   connect(checkAdditionDialog, SIGNAL(toggled(bool)), this, SLOT(enableApplyButton()));
@@ -391,6 +392,7 @@ void options_imp::saveOptions(){
 #endif
   pref.setTempPath(temp_path);
   pref.setAppendTorrentLabel(checkAppendLabel->isChecked());
+  pref.setRememberLastLocation(checkLastLocation->isChecked());
 #if LIBTORRENT_VERSION_MINOR > 14
   pref.useIncompleteFilesExtension(checkAppendqB->isChecked());
 #endif
@@ -568,6 +570,7 @@ void options_imp::loadOptions(){
 #endif
   textTempPath->setText(temp_path);
   checkAppendLabel->setChecked(pref.appendTorrentLabel());
+  checkLastLocation->setChecked(pref.rememberLastLocation());
 #if LIBTORRENT_VERSION_MINOR > 14
   checkAppendqB->setChecked(pref.useIncompleteFilesExtension());
 #endif

src/preferences/preferences.h

@@ -229,6 +229,22 @@ public:
     setValue("Preferences/Downloads/AppendLabel", b);
   }
 
+  bool rememberLastLocation() const {
+    return value(QString::fromUtf8("Preferences/Downloads/RememberLastLocation"), false).toBool();
+  }
+
+  void setRememberLastLocation(bool b) {
+    setValue("Preferences/Downloads/RememberLastLocation", b);
+  }
+
+  QString lastLocationPath() const {
+    return value(QString::fromUtf8("Preferences/Downloads/LastLocationPath"), QString()).toString();
+}
+
+  void setLastLocationPath(const QString &path) {
+    setValue(QString::fromUtf8("Preferences/Downloads/LastLocationPath"), path);
+  }
+
   bool preAllocateAllFiles() const {
     return value(QString::fromUtf8("Preferences/Downloads/PreAllocation"), false).toBool();
   }

src/torrentadditiondlg.cpp

@@ -60,7 +60,7 @@ using namespace libtorrent;
 
 torrentAdditionDialog::torrentAdditionDialog(QWidget *parent) :
   QDialog(parent), old_label(""), hidden_height(0), m_showContentList(true) {
-  const Preferences pref;
+  Preferences pref;
   setupUi(this);
   setAttribute(Qt::WA_DeleteOnClose);
   setMinimumSize(0, 0);
@@ -87,7 +87,18 @@ torrentAdditionDialog::torrentAdditionDialog(QWidget *parent) :
   // Important: as a default, it inserts at the bottom which is not desirable
   savePathTxt->setInsertPolicy(QComboBox::InsertAtCurrent);
   //torrentContentList->header()->setResizeMode(0, QHeaderView::Stretch);
+  QString lastLocation = pref.lastLocationPath();
+  //lastLocation will always have '/' as separator since it is saved in
+  //::on_OkButton_clicked()  after the conversion is done.
+  if (pref.rememberLastLocation() && !lastLocation.isEmpty() && QFile(lastLocation).exists())
+      defaultSavePath = lastLocation;
+  else
+  {
     defaultSavePath = pref.getSavePath();
+    //In case of the LastLocationPath doesn't exist anymore, empty the string
+    pref.setLastLocationPath(QString());
+  }
+
   appendLabelToSavePath = pref.appendTorrentLabel();
   QString display_path = defaultSavePath.replace("\\", "/");
   if(!display_path.endsWith("/"))
@@ -685,6 +696,12 @@ void torrentAdditionDialog::on_OkButton_clicked(){
       QMessageBox::critical(0, tr("Save path creation error"), tr("Could not create the save path"));
       return;
     }
+  }
+  //Save last location path
+  {//limit the scope of pref
+    Preferences pref;
+    if (pref.rememberLastLocation())
+        pref.setLastLocationPath(save_path);
 }
   // save filtered files
   if(!is_magnet && t->num_files() > 1)