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MultiSelect: ImGuiSelectionBasicStorage: added PreserveOrder, maintain implicit order data in storage.

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Little tested but provided for completeness.
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ocornut
2024-07-18 18:19:21 +02:00
parent df664329cb
commit c52346850d
2 changed files with 31 additions and 11 deletions
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imgui.h
+5 -3
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@@ -2835,9 +2835,11 @@ struct ImGuiSelectionRequest
struct ImGuiSelectionBasicStorage
{
// Members
int Size; // Number of selected items (== number of 1 in the Storage), maintained by this helper.
void* UserData; // User data for use by adapter function // e.g. selection.UserData = (void*)my_items;
ImGuiID (*AdapterIndexToStorageId)(ImGuiSelectionBasicStorage* self, int idx); // e.g. selection.AdapterIndexToStorageId = [](ImGuiSelectionBasicStorage* self, int idx) { return ((MyItems**)self->UserData)[idx]->ID; };
int Size; // // Number of selected items, maintained by this helper.
bool PreserveOrder; // = false // GetNextSelectedItem() will return ordered selection (currently implemented by two additional sorts of selection. Could be improved)
void* UserData; // = NULL // User data for use by adapter function // e.g. selection.UserData = (void*)my_items;
ImGuiID (*AdapterIndexToStorageId)(ImGuiSelectionBasicStorage* self, int idx); // e.g. selection.AdapterIndexToStorageId = [](ImGuiSelectionBasicStorage* self, int idx) { return ((MyItems**)self->UserData)[idx]->ID; };
int _SelectionOrder;// [Internal] Increasing counter to store selection order
ImGuiStorage _Storage; // [Internal] Selection set. Think of this as similar to e.g. std::set<ImGuiID>. Prefer not accessing directly: iterate with GetNextSelectedItem().
// Methods