Autosave settings immediately after closing settings

include/platform/wxwidgets/platform.hpp

@@ -41,6 +41,7 @@ void signal_resize_needed();
 void _runuifun_async(void (*fn)(void*), void* arg);
 void show_projectwindow(wxWindow* modwin);
 void signal_core_change();
+void do_save_configuration();
 
 std::vector<interface_action_paramval> prompt_action_params(wxWindow* parent, const std::string& label,
 	const std::list<interface_action_param>& params);

src/platform/wxwidgets/editor-conflict.cpp

@@ -157,6 +157,7 @@ void show_conflictwindow(wxWindow* parent)
 		return;
 	}
 	editor->Destroy();
+	do_save_configuration();
 }
 
 std::map<std::string, std::string> core_selections;

src/platform/wxwidgets/main.cpp

@@ -222,7 +222,8 @@ end:
 	void save_configuration()
 	{
 		std::string cfg = get_config_path() + "/lsneswxw.cfg";
-		std::ofstream cfgfile(cfg.c_str());
+		std::string cfgtmp = cfg + ".tmp";
+		std::ofstream cfgfile(cfgtmp.c_str());
 		//Settings.
 		for(auto i : lsnes_vsetc.get_all())
 			cfgfile << "SET " << i.first << " " << i.second << std::endl;
@@ -257,6 +258,13 @@ end:
 		for(auto i : core_selections)
 			if(i.second != "")
 				cfgfile << "PREFER " << i.first << " " << i.second << std::endl;
+		if(!cfgfile) {
+			show_message_ok(NULL, "Error Saving configuration", "Error saving configuration",
+				wxICON_EXCLAMATION);
+			return;
+		}
+		cfgfile.close();
+		zip::rename_overwrite(cfgtmp.c_str(), cfg.c_str());
 		//Last save.
 		std::ofstream lsave(get_config_path() + "/" + our_rom_name + ".ls");
 		lsave << last_save;
@@ -535,6 +543,11 @@ int lsnes_app::OnExit()
 	return 0;
 }
 
+void do_save_configuration()
+{
+	save_configuration();
+}
+
 namespace
 {
 	struct _graphics_driver drv = {

src/platform/wxwidgets/settings-common.cpp

@@ -213,6 +213,7 @@ void display_settings_dialog(wxWindow* parent, settings_tab_factory* singletab)
 	}
 	dlg = NULL;
 	editor->Destroy();
+	do_save_configuration();
 }
 
 void settings_activate_keygrab(std::function<void(std::string key)> callback)