Now compiles with older versions of glibmm.

src/dialogs.cc

@@ -3,6 +3,7 @@
 #include <gtkmm.h>
 #include <vector>
 #include "juci.h"
+#include <iostream>
 
 std::string open_dialog(const std::string &title,
                         const std::vector<std::pair<std::string, Gtk::ResponseType>> &buttons,
@@ -17,7 +18,9 @@ std::string open_dialog(const std::string &title,
     gtk_file_chooser_set_filename((GtkFileChooser*)dialog.gobj(), file_name.c_str());
   dialog.set_position(Gtk::WindowPosition::WIN_POS_CENTER_ALWAYS);
   
-  auto application=Glib::RefPtr<Application>::cast_static(Gio::Application::get_default()).release();
+  auto g_application=g_application_get_default(); //TODO: Post issue that Gio::Application::get_default should return pointer and not Glib::RefPtr
+  auto gio_application=Glib::wrap(g_application, true);
+  auto application=Glib::RefPtr<Application>::cast_static(gio_application);
   dialog.set_transient_for(*application->window);
   
   for (auto &button : buttons) 

src/menu.cc

@@ -295,13 +295,17 @@ void Menu::init() {
 }
 
 void Menu::add_action(const std::string &name, std::function<void()> action) {
-  auto application=Glib::RefPtr<Gtk::Application>::cast_static(Gio::Application::get_default()).release();
+  auto g_application=g_application_get_default();
+  auto gio_application=Glib::wrap(g_application, true);
+  auto application=Glib::RefPtr<Gtk::Application>::cast_static(gio_application);
   
   actions[name]=application->add_action(name, action);
 }
 
 void Menu::set_keys() {
-  auto application=Glib::RefPtr<Gtk::Application>::cast_static(Gio::Application::get_default()).release();
+  auto g_application=g_application_get_default();
+  auto gio_application=Glib::wrap(g_application, true);
+  auto application=Glib::RefPtr<Gtk::Application>::cast_static(gio_application);
            
   for(auto &key: Singleton::config->menu.keys) {
     if(key.second.size()>0 && actions.find(key.first)!=actions.end()) {