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Fix crash in group GUI vehicle/group dragging

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See: https://github.com/OpenTTD/OpenTTD/issues/8332
This commit is contained in:
Jonathan G Rennison
2020-10-25 10:21:25 +00:00
parent 42e7d796aa
commit 66630ef8df
1 changed files with 8 additions and 1 deletions
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9
src/group_gui.cpp
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@@ -881,7 +881,13 @@ public:
void OnDragDrop_Group(Point pt, int widget)
{
const Group *g = Group::Get(this->group_sel);
const Group *g = Group::GetIfValid(this->group_sel);
if (g == nullptr) {
this->group_sel = INVALID_GROUP;
this->group_over = INVALID_GROUP;
this->SetDirty();
return;
}
switch (widget) {
case WID_GL_ALL_VEHICLES: // All vehicles
@@ -1055,6 +1061,7 @@ public:
/* abort drag & drop */
this->vehicle_sel = INVALID_VEHICLE;
this->DirtyHighlightedGroupWidget();
this->group_sel = INVALID_GROUP;
this->group_over = INVALID_GROUP;
this->SetWidgetDirty(WID_GL_LIST_VEHICLE);
}