diff --git a/mainwindow.cpp b/mainwindow.cpp
index 1ccb7ea..e597671 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -5,11 +5,13 @@
 #include <gtkmm/messagedialog.h>
 #include <gtkmm/scrolledwindow.h>
 #include <gtkmm/textview.h>
+#include <iostream>
 #include <thread>
 
 #include "databasewindow.hpp"
 #include "filesystem.hpp"
 #include "functions.hpp"
+#include "gtkfunctions.hpp"
 #include "mainwindow.hpp"
 #include "progresswindow.hpp"
 #include "tv_rename.hpp"
@@ -59,51 +61,11 @@ void MainWindow::patternHelp() {
 }
 
 void MainWindow::process() {
-    // check required field is filled out
-    if ( m_entry_show->get_text().empty() ) {
-        Gtk::MessageDialog dialog( *this, "Show field is empty" );
-        dialog.run();
-        return;
-    }
-
-    // language code
     language_code =
         ( *m_combo_language->get_active() )[m_columns_language.m_col_code];
 
-    // fill up m_combo_possible with possible tv shows
-    auto possible_shows =
-        searchShow( std::string( m_entry_show->get_text() ), language_code );
-
-    // if no possible shows were found, tell the user
-    if ( possible_shows.size() == 0 ) {
-        Gtk::MessageDialog dialog( *this,
-                                   "No results found for given show name" );
-        dialog.run();
-        return;
-    }
-
-    // show widgets
-    m_label_possible->show();
-    m_button_rename->show();
-    m_button_db_add->show();
-    m_combo_possible->show();
-
-    // fill up combo box with results from thetvdb
-    auto model = Gtk::ListStore::create( m_columns_show );
-
-    m_combo_possible->set_model( model );
-
-    auto row = *( model->append() );
-
-    row[m_columns_show.m_col_show] = possible_shows[0].first;
-    row[m_columns_show.m_col_id] = possible_shows[0].second;
-    m_combo_possible->set_active( row );
-
-    for ( size_t i = 1; i < possible_shows.size(); i++ ) {
-        auto row = *( model->append() );
-        row[m_columns_show.m_col_show] = possible_shows[i].first;
-        row[m_columns_show.m_col_id] = possible_shows[i].second;
-    }
+    searchShow( m_entry_show, m_combo_possible, m_columns_show.m_col_show,
+                m_columns_show.m_col_id, language_code, this );
 }
 
 void MainWindow::getNames() {
@@ -161,6 +123,7 @@ void renameFiles( const std::vector<
 void MainWindow::finishedSelection() {
     // remove created SeasonWindow and delete it from memory
     app->remove_window( *sw );
+    sw.reset();
 
     auto iter = m_combo_possible->get_active();
 
@@ -245,19 +208,7 @@ void MainWindow::finishedSelection() {
 
 MainWindow::~MainWindow() {
     auto children = get_children();
-    size_t max = children.size();
-    size_t index{};
-    while ( index < max ) {
-        if ( auto *p = dynamic_cast< Gtk::Container * >( children[index] ) ) {
-            auto temp = p->get_children();
-            children.insert( children.end(), temp.begin(), temp.end() );
-            max = children.size();
-        }
-        index++;
-    }
-    for ( int i = max - 1; i >= 0; i-- ) {
-        delete children[i];
-    }
+    freeChildren( children );
 }
 
 MainWindow::MainWindow( const Glib::RefPtr< Gtk::Application > &ptr )
@@ -446,12 +397,13 @@ MainWindow::MainWindow( const Glib::RefPtr< Gtk::Application > &ptr )
     // set default pattern
     m_entry_pattern->set_text( default_pattern );
 
+    language_map = getLangs();
     // put languages in combo box
     {
         auto model = Gtk::ListStore::create( m_columns_language );
         m_combo_language->set_model( model );
 
-        for ( const auto &x : getLangs() ) {
+        for ( const auto &x : language_map ) {
             auto row = *( model->append() );
             row[m_columns_language.m_col_code] = x.first;
             row[m_columns_language.m_col_language] = x.second;
@@ -460,6 +412,12 @@ MainWindow::MainWindow( const Glib::RefPtr< Gtk::Application > &ptr )
         }
     }
 
+    {
+        auto model = Gtk::ListStore::create( m_columns_show );
+
+        m_combo_possible->set_model( model );
+    }
+
     // set column to be shown in comboboxes
     m_combo_language->pack_start( m_columns_language.m_col_language );
     m_combo_possible->pack_start( m_columns_show.m_col_show );
@@ -569,7 +527,8 @@ void MainWindow::dbAdd() {
 }
 
 void MainWindow::dbManage() {
-    auto *dbWindow = new DatabaseWindow( !m_check_linux->get_active(), app );
+    auto *dbWindow =
+        new DatabaseWindow( !m_check_linux->get_active(), language_map, app );
     app->add_window( *dbWindow );
     auto app_ptr = app;
 
diff --git a/mainwindow.hpp b/mainwindow.hpp
index 11b4175..2930b28 100644
--- a/mainwindow.hpp
+++ b/mainwindow.hpp
@@ -69,8 +69,8 @@ protected:
             add( m_col_id );
             add( m_col_show );
         }
-        Gtk::TreeModelColumn< Glib::ustring > m_col_id;
-        Gtk::TreeModelColumn< Glib::ustring > m_col_show;
+        Gtk::TreeModelColumn< std::string > m_col_id;
+        Gtk::TreeModelColumn< std::string > m_col_show;
     };
 
     LanguageColumns m_columns_language;
@@ -84,6 +84,7 @@ protected:
     std::string path;
     std::string language_code;
     std::string default_pattern;
+    std::map< string, string > language_map;
 };
 
 #endif // GTKMM_MAIN_WINDOW