Introduce surrender hotkey

data/core/hotkeys.cfg

@@ -367,7 +367,12 @@
     ctrl=yes
 [/hotkey]
 #endif
-
+[hotkey]
+    command="surrender"
+    key="s"
+    shift=yes
+    ctrl=yes
+[/hotkey]
 [hotkey]
     command="editor-partial-undo"
     key="z"

src/hotkey/command_executor.cpp

@@ -350,6 +350,9 @@ bool command_executor::execute_command(const hotkey_command&  cmd, int /*index*/
 			break;
 		case HOTKEY_QUIT_GAME:
 			quit_confirmation::quit_to_title();
+			break;
+		case HOTKEY_SURRENDER:
+
 			break;
 		default:
 			return false;
@@ -357,6 +360,13 @@ bool command_executor::execute_command(const hotkey_command&  cmd, int /*index*/
 	return true;
 }
 
+void command_executor::surrender_game() {
+	if(gui2::show_message(_("Surrender"), _("Do you really want to surrender the game?"), gui2::dialogs::message::yes_no_buttons) != gui2::window::CANCEL) {
+
+	} else {
+
+	}
+}
 
 void command_executor::show_menu(const std::vector<config>& items_arg, int xloc, int yloc, bool /*context_menu*/, display& gui)
 {

src/hotkey/command_executor.hpp

@@ -130,7 +130,7 @@ public:
 	std::string get_menu_image(display& disp, const std::string& command, int index=-1) const;
 	// Returns a vector of images for a given menu.
 	void get_menu_images(display &, std::vector<config>& items);
-
+	void surrender_game();
 	virtual void show_menu(const std::vector<config>& items_arg, int xloc, int yloc, bool context_menu, display& gui);
 	void execute_action(const std::vector<std::string>& items_arg, int xloc, int yloc, bool context_menu, display& gui);
 

src/hotkey/hotkey_command.cpp

@@ -102,6 +102,7 @@ std::array<hotkey_command_temp, HOTKEY_NULL - 1> hotkey_list_ {{
 	{ HOTKEY_STATISTICS, "statistics", N_("Statistics"), false, scope_game, HKCAT_GENERAL, "" },
 	{ HOTKEY_STOP_NETWORK, "stopnetwork", N_("Pause Network Game"), false, scope_game, HKCAT_GENERAL, "" },
 	{ HOTKEY_START_NETWORK, "startnetwork", N_("Continue Network Game"), false, scope_game, HKCAT_GENERAL, "" },
+	{ HOTKEY_SURRENDER, "surrender", N_("Surrender Game"), false, scope_game, HKCAT_SCENARIO, "" },
 	{ HOTKEY_QUIT_GAME, "quit", N_("Quit to Titlescreen"), false, scope_game | scope_editor, HKCAT_GENERAL, "" },
 	{ HOTKEY_LABEL_TEAM_TERRAIN, "labelteamterrain", N_("Set Team Label"), false, scope_game, HKCAT_MAP, "" },
 	{ HOTKEY_LABEL_TERRAIN, "labelterrain", N_("Set Label"), false, scope_game, HKCAT_MAP, "" },

src/hotkey/hotkey_command.hpp

@@ -48,7 +48,7 @@ enum HOTKEY_COMMAND {
 	HOTKEY_RECRUIT, HOTKEY_REPEAT_RECRUIT, HOTKEY_RECALL, HOTKEY_ENDTURN,
 	HOTKEY_TOGGLE_ELLIPSES, HOTKEY_TOGGLE_GRID, HOTKEY_STATUS_TABLE, HOTKEY_MUTE, HOTKEY_MOUSE_SCROLL,
 	HOTKEY_SPEAK, HOTKEY_CREATE_UNIT, HOTKEY_CHANGE_SIDE, HOTKEY_KILL_UNIT, HOTKEY_PREFERENCES,
-	HOTKEY_OBJECTIVES, HOTKEY_UNIT_LIST, HOTKEY_STATISTICS, HOTKEY_STOP_NETWORK, HOTKEY_START_NETWORK, HOTKEY_QUIT_GAME, HOTKEY_QUIT_TO_DESKTOP,
+	HOTKEY_OBJECTIVES, HOTKEY_UNIT_LIST, HOTKEY_STATISTICS, HOTKEY_STOP_NETWORK, HOTKEY_START_NETWORK, HOTKEY_SURRENDER, HOTKEY_QUIT_GAME, HOTKEY_QUIT_TO_DESKTOP,
 	HOTKEY_LABEL_TEAM_TERRAIN, HOTKEY_LABEL_TERRAIN, HOTKEY_CLEAR_LABELS,HOTKEY_SHOW_ENEMY_MOVES, HOTKEY_BEST_ENEMY_MOVES,
 	HOTKEY_DELAY_SHROUD, HOTKEY_UPDATE_SHROUD, HOTKEY_CONTINUE_MOVE,
 	HOTKEY_SEARCH, HOTKEY_SPEAK_ALLY, HOTKEY_SPEAK_ALL, HOTKEY_HELP,

src/hotkey/hotkey_handler.cpp

@@ -296,6 +296,7 @@ bool play_controller::hotkey_handler::can_execute_command(const hotkey::hotkey_c
 	case hotkey::HOTKEY_OBJECTIVES:
 	case hotkey::HOTKEY_UNIT_LIST:
 	case hotkey::HOTKEY_STATISTICS:
+	case hotkey::HOTKEY_SURRENDER:
 	case hotkey::HOTKEY_QUIT_GAME:
 	case hotkey::HOTKEY_QUIT_TO_DESKTOP:
 	case hotkey::HOTKEY_SEARCH: