Method ApplySelectionRequests

src/imgui/imgui_demo.cpp:3064–3083

Apply multi-selection requests

                // Apply multi-selection requests
                static void ApplySelectionRequests(ImGuiMultiSelectIO* ms_io, ExampleTreeNode* tree, ImGuiSelectionBasicStorage* selection)
                {
                    for (ImGuiSelectionRequest& req : ms_io->Requests)
                    {
                        if (req.Type == ImGuiSelectionRequestType_SetAll)
                        {
                            if (req.Selected)
                                TreeSetAllInOpenNodes(tree, selection, req.Selected);
                            else
                                selection->Clear();
                        }
                        else if (req.Type == ImGuiSelectionRequestType_SetRange)
                        {
                            ExampleTreeNode* first_node = (ExampleTreeNode*)(intptr_t)req.RangeFirstItem;
                            ExampleTreeNode* last_node = (ExampleTreeNode*)(intptr_t)req.RangeLastItem;
                            for (ExampleTreeNode* node = first_node; node != NULL; node = TreeGetNextNodeInVisibleOrder(node, last_node))
                                selection->SetItemSelected((ImGuiID)node->UID, req.Selected);
                        }
                    }
                }

                static void TreeSetAllInOpenNodes(ExampleTreeNode* node, ImGuiSelectionBasicStorage* selection, bool selected)
                {