Method HandleDragDrop

BG3Extender/Extender/Client/IMGUI/IMGUI.cpp:219–258

void StyledRenderable::HandleDragDrop(DrawingContext& context)
{
    if (CanDrag && DragDropType) {
        if (ImGui::BeginDragDropSource((ImGuiDragDropFlags)DragFlags)) {
            if (!IsDragging) {
                if (OnDragStart) {
                    DragPreview = Manager->CreateRenderable<Group>()->Handle;
                    Manager->GetEventQueue().Call(OnDragStart, lua::ImguiHandle(Handle), lua::ImguiHandle(DragPreview));
                }
                IsDragging = true;
            }

            ImGui::SetDragDropPayload(DragDropType.GetString(), &Handle, sizeof(Handle));
            if (DragPreview) {
                auto preview = Manager->GetRenderable(DragPreview);
                if (preview) {
                    preview->Render(context);
                }
            }
            ImGui::EndDragDropSource();
        } else if (IsDragging) {
            Manager->GetEventQueue().Call(OnDragEnd, lua::ImguiHandle(Handle));
            if (DragPreview) {
                Manager->DestroyRenderable(DragPreview);
                DragPreview = InvalidHandle;
            }
            IsDragging = false;
        }
    }

    if (DragDropType && OnDragDrop && ImGui::BeginDragDropTarget())
    {
        auto payload = ImGui::AcceptDragDropPayload(DragDropType.GetString());
        if (payload) {
            auto source = *static_cast<HandleType*>(payload->Data);
            Manager->GetEventQueue().Call(OnDragDrop, lua::ImguiHandle(Handle), lua::ImguiHandle(source));
        }
        ImGui::EndDragDropTarget();
    }
}


void StyledRenderable::DrawTooltip(DrawingContext& context)