Feature: Ctrl-Clicking GB_SHARED_ORDERS vehicle list opens order window

src/group_gui.cpp

@@ -24,6 +24,7 @@
 #include "core/geometry_func.hpp"
 #include "company_base.h"
 #include "company_gui.h"
+#include "gui.h"
 
 #include "widgets/group_widget.h"
 
@@ -745,17 +746,19 @@ public:
 						NOT_REACHED();
 				}
 				if (v) {
-					this->vehicle_sel = v->index;
-
 					if (_ctrl_pressed) {
-						this->SelectGroup(v->group_id);
+						if (this->grouping == GB_NONE) {
+							this->SelectGroup(v->group_id);
+						} else {
+							ShowOrdersWindow(v);
+						}
+					} else {
+						this->vehicle_sel = v->index;
+						SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
+						SetMouseCursorVehicle(v, EIT_IN_LIST);
+						_cursor.vehchain = true;
+						this->SetDirty();
 					}
-
-					SetObjectToPlaceWnd(SPR_CURSOR_MOUSE, PAL_NONE, HT_DRAG, this);
-					SetMouseCursorVehicle(v, EIT_IN_LIST);
-					_cursor.vehchain = true;
-
-					this->SetDirty();
 				}
 
 				break;

src/vehicle_gui.cpp

@@ -1843,10 +1843,14 @@ public:
 						const Vehicle *v = vehgroup.vehicles_begin[0];
 						/* We do not support VehicleClicked() here since the contextual action may only make sense for individual vehicles */
 
-						if (vehgroup.NumVehicles() == 1) {
-							ShowVehicleViewWindow(v);
+						if (_ctrl_pressed) {
+							ShowOrdersWindow(v);
 						} else {
-							ShowVehicleListWindow(v);
+							if (vehgroup.NumVehicles() == 1) {
+								ShowVehicleViewWindow(v);
+							} else {
+								ShowVehicleListWindow(v);
+							}
 						}
 						break;
 					}