(svn r22642) -Change: Disable the 'set parameters' button in the NewGRF GUI, if the GRF specifies to have no parameters and one would not be able to set any parameters anyway.

13 years ago · a6ce6c144b
parent 566a9612a0
commit a6ce6c144b
1 changed files with 2 additions and 2 deletions
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@ -943,7 +943,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
 				break;

 			case SNGRFS_SET_PARAMETERS: { // Edit parameters
-				if (this->active_sel == NULL || !this->editable || !this->show_params) break;
+				if (this->active_sel == NULL || !this->editable || !this->show_params || this->active_sel->num_valid_params == 0) break;

 				OpenGRFParameterWindow(this->active_sel);
 				break;
@ -1098,7 +1098,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
 			SNGRFS_MOVE_DOWN,
 			WIDGET_LIST_END
 		);
-		this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all);
+		this->SetWidgetDisabledState(SNGRFS_SET_PARAMETERS, !this->show_params || disable_all || this->active_sel->num_valid_params == 0);
 		this->SetWidgetDisabledState(SNGRFS_TOGGLE_PALETTE, disable_all);

 		if (!disable_all) {