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MultiSelect: ImGuiSelectionBasicStorage: (breaking) rework GetNextSelectedItem() api to avoid ambiguity/failure when user uses a zero id.

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ocornut
2024-06-26 17:00:52 +02:00
parent f472f17054
commit 3ac367ff41
3 changed files with 11 additions and 8 deletions
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5
imgui_widgets.cpp
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@@ -7847,7 +7847,7 @@ bool ImGuiSelectionBasicStorage::Contains(ImGuiID id) const
// GetNextSelectedItem() is an abstraction allowing us to change our underlying actual storage system without impacting user.
// (e.g. store unselected vs compact down, compact down on demand, use raw ImVector<ImGuiID> instead of ImGuiStorage...)
ImGuiID ImGuiSelectionBasicStorage::GetNextSelectedItem(void** opaque_it)
bool ImGuiSelectionBasicStorage::GetNextSelectedItem(void** opaque_it, ImGuiID* out_id)
{
ImGuiStoragePair* it = (ImGuiStoragePair*)*opaque_it;
ImGuiStoragePair* it_end = _Storage.Data.Data + _Storage.Data.Size;
@@ -7859,7 +7859,8 @@ ImGuiID ImGuiSelectionBasicStorage::GetNextSelectedItem(void** opaque_it)
it++;
const bool has_more = (it != it_end);
*opaque_it = has_more ? (void**)(it + 1) : (void**)(it);
return has_more ? it->key : 0;
*out_id = has_more ? it->key : 0;
return has_more;
}
void ImGuiSelectionBasicStorage::SetItemSelected(ImGuiID id, bool selected)