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MultiSelect: Simplified ImGuiSelectionBasicStorage by using a single SetItemSelected() entry point.

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ocornut
2024-03-06 15:04:03 +01:00
parent f36a03c317
commit dbc67bbf23
3 changed files with 14 additions and 16 deletions
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4
imgui_demo.cpp
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@@ -2832,7 +2832,7 @@ struct ExampleSelectionWithDeletion : ImGuiSelectionBasicStorage
// Update selection
Clear();
if (item_next_idx_to_select != -1 && ms_io->NavIdSelected)
AddItem(AdapterIndexToStorageId(this, item_next_idx_to_select));
SetItemSelected(AdapterIndexToStorageId(this, item_next_idx_to_select), true);
}
};
@@ -3137,7 +3137,7 @@ static void ShowDemoWindowMultiSelect()
items.push_back(items_next_id++);
if (ImGui::SmallButton("Add 20 items")) { for (int n = 0; n < 20; n++) { items.push_back(items_next_id++); } }
ImGui::SameLine();
if (ImGui::SmallButton("Remove 20 items")) { for (int n = IM_MIN(20, items.Size); n > 0; n--) { selection.RemoveItem(items.back()); items.pop_back(); } }
if (ImGui::SmallButton("Remove 20 items")) { for (int n = IM_MIN(20, items.Size); n > 0; n--) { selection.SetItemSelected(items.back(), false); items.pop_back(); } }
// (1) Extra to support deletion: Submit scrolling range to avoid glitches on deletion
const float items_height = ImGui::GetTextLineHeightWithSpacing();