Add checkbox for recursive download dialog

Also group similar options together.

src/gui/optionsdialog.cpp

@@ -254,6 +254,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     connect(m_ui->textTempPath, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
     connect(m_ui->checkAppendqB, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->checkPreallocateAll, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
+    connect(m_ui->checkRecursiveDownload, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->checkAdditionDialog, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->checkAdditionDialogFront, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->checkStartPaused, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
@@ -602,6 +603,7 @@ void OptionsDialog::saveOptions()
     session->setTempPath(Utils::Fs::expandPathAbs(m_ui->textTempPath->selectedPath()));
     session->setAppendExtensionEnabled(m_ui->checkAppendqB->isChecked());
     session->setPreallocationEnabled(preAllocateAllFiles());
+    pref->disableRecursiveDownload(!m_ui->checkRecursiveDownload->isChecked());
     AddNewTorrentDialog::setEnabled(useAdditionDialog());
     AddNewTorrentDialog::setTopLevel(m_ui->checkAdditionDialogFront->isChecked());
     session->setAddTorrentPaused(addTorrentsInPause());
@@ -849,6 +851,7 @@ void OptionsDialog::loadOptions()
     m_ui->textTempPath->setSelectedPath(Utils::Fs::toNativePath(session->tempPath()));
     m_ui->checkAppendqB->setChecked(session->isAppendExtensionEnabled());
     m_ui->checkPreallocateAll->setChecked(session->isPreallocationEnabled());
+    m_ui->checkRecursiveDownload->setChecked(!pref->recursiveDownloadDisabled());
 
     strValue = session->torrentExportDirectory();
     if (strValue.isEmpty()) {

src/gui/optionsdialog.ui

@@ -779,6 +779,27 @@
               </layout>
              </widget>
             </item>
+            <item>
+             <widget class="QCheckBox" name="checkPreallocateAll">
+              <property name="text">
+               <string>Pre-allocate disk space for all files</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QCheckBox" name="checkAppendqB">
+              <property name="text">
+               <string>Append .!qB extension to incomplete files</string>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QCheckBox" name="checkRecursiveDownload">
+              <property name="text">
+               <string>Enable recursive download dialog</string>
+              </property>
+             </widget>
+            </item>
             <item>
              <widget class="QGroupBox" name="groupSavingManagement">
               <property name="title">
@@ -1004,20 +1025,6 @@
                  </item>
                 </layout>
                </item>
-               <item>
-                <widget class="QCheckBox" name="checkPreallocateAll">
-                 <property name="text">
-                  <string>Pre-allocate disk space for all files</string>
-                 </property>
-                </widget>
-               </item>
-               <item>
-                <widget class="QCheckBox" name="checkAppendqB">
-                 <property name="text">
-                  <string>Append .!qB extension to incomplete files</string>
-                 </property>
-                </widget>
-               </item>
               </layout>
              </widget>
             </item>