Game Load: added a convenient button in Load Game to open your saves folder

(cherry-picked from commit 802bbe8cdc)

changelog.md

@@ -35,6 +35,7 @@
  ### User Interface
    * Swapped the position and formatting of game names and titles in the MP lobby.
    * Made Faction Select button's purpose more clear in MP Staging.
+   * Added a convenient button in Load Game to open your saves folder.
  ### WML engine
    * Support formula= key in [variable] ConditionalWML
    * Support to_location in [move_unit], taking a location ID

data/gui/window/game_load.cfg

@@ -557,6 +557,21 @@
 								grow_factor = 1
 								border = "all"
 								border_size = 5
+								horizontal_alignment = "left"
+
+								[button]
+									id = "browse_saves_folder"
+									definition = "action_browse"
+
+									tooltip = _ "Open saves folder"
+								[/button]
+
+							[/column]
+
+							[column]
+								grow_factor = 0
+								border = "all"
+								border_size = 5
 								horizontal_alignment = "right"
 
 								[button]

src/gui/dialogs/game_load.cpp

@@ -16,6 +16,7 @@
 
 #include "gui/dialogs/game_load.hpp"
 
+#include "desktop/open.hpp"
 #include "filesystem.hpp"
 #include "formula/string_utils.hpp"
 #include "gettext.hpp"
@@ -147,6 +148,10 @@ void game_load::pre_show(window& window)
 			std::bind(&game_load::delete_button_callback,
 					this, std::ref(window)));
 
+	connect_signal_mouse_left_click(
+		find_widget<button>(&window, "browse_saves_folder", false),
+		std::bind(&desktop::open_object, filesystem::get_saves_dir()));
+
 	display_savegame(window);
 }