(svn r24672) -Add [FS#5356]: Remember the basic/advanced/expert filter selection.

src/settings_gui.cpp

@@ -1977,7 +1977,7 @@ struct GameSettingsWindow : QueryStringBaseWindow {
 
 	Scrollbar *vscroll;
 
-	GameSettingsWindow(const WindowDesc *desc) : QueryStringBaseWindow(50), cur_restriction_mode(RM_BASIC)
+	GameSettingsWindow(const WindowDesc *desc) : QueryStringBaseWindow(50), cur_restriction_mode((RestrictionMode)_settings_client.gui.settings_restriction_mode)
 	{
 		static bool first_time = true;
 
@@ -2337,13 +2337,18 @@ struct GameSettingsWindow : QueryStringBaseWindow {
 	{
 		if (widget == WID_GS_RESTRICT_DROPDOWN) {
 			this->cur_restriction_mode = (RestrictionMode)index;
-			if (!this->manually_changed_folding &&
-					(this->cur_restriction_mode == RM_CHANGED_AGAINST_DEFAULT ||
+			if (this->cur_restriction_mode == RM_CHANGED_AGAINST_DEFAULT ||
 					this->cur_restriction_mode == RM_CHANGED_AGAINST_DEFAULT_WO_LOCAL ||
-					this->cur_restriction_mode == RM_CHANGED_AGAINST_NEW)) {
-				/* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
-				_settings_main_page.UpdateFilterState(string_filter, false, this->cur_restriction_mode);
-				_settings_main_page.UnFoldAll();
+					this->cur_restriction_mode == RM_CHANGED_AGAINST_NEW) {
+
+				if (!this->manually_changed_folding) {
+					/* Expand all when selecting 'changes'. Update the filter state first, in case it becomes less restrictive in some cases. */
+					_settings_main_page.UpdateFilterState(string_filter, false, this->cur_restriction_mode);
+					_settings_main_page.UnFoldAll();
+				}
+			} else {
+				/* Non-'changes' filter. Save as default. */
+				_settings_client.gui.settings_restriction_mode = this->cur_restriction_mode;
 			}
 			this->InvalidateData();
 			return;

src/settings_type.h

@@ -131,6 +131,7 @@ struct GUISettings {
 	bool   newgrf_developer_tools;           ///< activate NewGRF developer tools and allow modifying NewGRFs in an existing game
 	bool   ai_developer_tools;               ///< activate AI developer tools
 	bool   scenario_developer;               ///< activate scenario developer: allow modifying NewGRFs in an existing game
+	uint8  settings_restriction_mode;        ///< selected restriction mode in adv. settings GUI. @see RestrictionMode
 	bool   newgrf_show_old_versions;         ///< whether to show old versions in the NewGRF list
 	uint8  newgrf_default_palette;           ///< default palette to use for NewGRFs without action 14 palette information
 

src/table/settings.ini

@@ -2814,6 +2814,14 @@ var      = gui.show_date_in_logs
 flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC
 def      = false
 
+[SDTC_VAR]
+var      = gui.settings_restriction_mode
+type     = SLE_UINT8
+flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC
+def      = 0
+min      = 0
+max      = 2
+
 [SDTC_VAR]
 var      = gui.developer
 type     = SLE_UINT8