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Codechange: Optionally allow passing state to GUIList sorter function.

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GUIList sorter functions can currently only use global state, which makes per-window-instance sorting difficult.
This commit is contained in:
Peter Nelson
2023-12-02 23:28:01 +00:00
committed by Peter Nelson
parent 4d9f335f36
commit dcf730f1f6
13 changed files with 67 additions and 43 deletions
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2
src/engine_gui.h
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@@ -28,7 +28,7 @@ struct GUIEngineListItem {
bool operator == (const EngineID &other) const { return this->engine_id == other; }
};
typedef GUIList<GUIEngineListItem, CargoID> GUIEngineList;
typedef GUIList<GUIEngineListItem, std::nullptr_t, CargoID> GUIEngineList;
typedef bool EngList_SortTypeFunction(const GUIEngineListItem&, const GUIEngineListItem&); ///< argument type for #EngList_Sort.
void EngList_Sort(GUIEngineList &el, EngList_SortTypeFunction compare);