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-rw-r--r--src/group_gui.cpp29
-rw-r--r--src/group_gui.h1
-rw-r--r--src/vehicle.cpp2
3 files changed, 32 insertions, 0 deletions
diff --git a/src/group_gui.cpp b/src/group_gui.cpp
index a59b7830c..7e5996c13 100644
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -694,6 +694,16 @@ public:
this->vehicle_sel = INVALID_VEHICLE;
this->InvalidateWidget(GRP_WIDGET_LIST_VEHICLE);
}
+
+ /**
+ * Tests whether a given vehicle is selected in the window, and unselects it if necessary.
+ * Called when the vehicle is deleted.
+ * @param vehicle Vehicle that is going to be deleted
+ */
+ void UnselectVehicle(VehicleID vehicle)
+ {
+ if (this->vehicle_sel == vehicle) ResetObjectToPlace();
+ }
};
@@ -712,3 +722,22 @@ void ShowCompanyGroup(CompanyID company, VehicleType vehicle_type)
WindowNumber num = (vehicle_type << 11) | VLW_GROUP_LIST | company;
AllocateWindowDescFront<VehicleGroupWindow>(&_group_desc, num);
}
+
+/**
+ * Removes the highlight of a vehicle in a group window
+ * @param *v Vehicle to remove all highlights from
+ */
+void DeleteGroupHighlightOfVehicle(const Vehicle *v)
+{
+ VehicleGroupWindow *w;
+
+ /* If we haven't got any vehicles on the mouse pointer, we haven't got any highlighted in any group windows either
+ * If that is the case, we can skip looping though the windows and save time
+ */
+ if (_special_mouse_mode != WSM_DRAGDROP) return;
+
+ VehicleType vehicle_type = v->type;
+ w = dynamic_cast<VehicleGroupWindow *>(FindWindowById(GetWindowClassForVehicleType(vehicle_type), (vehicle_type << 11) | VLW_GROUP_LIST | v->owner));
+ if (w != NULL) w->UnselectVehicle(v->index);
+}
+
diff --git a/src/group_gui.h b/src/group_gui.h
index 7db3ed9a1..0b94f664e 100644
--- a/src/group_gui.h
+++ b/src/group_gui.h
@@ -8,5 +8,6 @@
#include "vehicle_type.h"
void ShowCompanyGroup(CompanyID company, VehicleType veh);
+void DeleteGroupHighlightOfVehicle(const Vehicle *v);
#endif /* GROUP_GUI_H */
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index e88854bcc..b88a1f3b7 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -32,6 +32,7 @@
#include "newgrf_station.h"
#include "newgrf_text.h"
#include "group.h"
+#include "group_gui.h"
#include "order_func.h"
#include "strings_func.h"
#include "zoom_func.h"
@@ -571,6 +572,7 @@ void Vehicle::PreDestructor()
GetCompany(this->owner)->num_engines[this->engine_type]--;
if (this->owner == _local_company) InvalidateAutoreplaceWindow(this->engine_type, this->group_id);
+ DeleteGroupHighlightOfVehicle(this);
if (IsValidGroupID(this->group_id)) GetGroup(this->group_id)->num_engines[this->engine_type]--;
if (this->IsPrimaryVehicle()) DecreaseGroupNumVehicle(this->group_id);
}