(item TreeItem, hInsertAfter win.HTREEITEM)
| 367 | } |
| 368 | |
| 369 | func (tv *TreeView) insertItemAfter(item TreeItem, hInsertAfter win.HTREEITEM) (win.HTREEITEM, error) { |
| 370 | var tvins win.TVINSERTSTRUCT |
| 371 | tvi := &tvins.Item |
| 372 | |
| 373 | tvi.Mask = win.TVIF_CHILDREN | win.TVIF_TEXT |
| 374 | tvi.PszText = win.LPSTR_TEXTCALLBACK |
| 375 | tvi.CChildren = win.I_CHILDRENCALLBACK |
| 376 | |
| 377 | tv.setTVITEMImageInfo(tvi, item) |
| 378 | |
| 379 | parent := item.Parent() |
| 380 | |
| 381 | if parent == nil { |
| 382 | tvins.HParent = win.TVI_ROOT |
| 383 | } else { |
| 384 | info := tv.item2Info[parent] |
| 385 | if info == nil { |
| 386 | return 0, newError("invalid parent") |
| 387 | } |
| 388 | tvins.HParent = info.handle |
| 389 | } |
| 390 | |
| 391 | tvins.HInsertAfter = hInsertAfter |
| 392 | |
| 393 | hItem := win.HTREEITEM(tv.SendMessage(win.TVM_INSERTITEM, 0, uintptr(unsafe.Pointer(&tvins)))) |
| 394 | if hItem == 0 { |
| 395 | return 0, newError("TVM_INSERTITEM failed") |
| 396 | } |
| 397 | tv.item2Info[item] = &treeViewItemInfo{hItem, make(map[TreeItem]win.HTREEITEM)} |
| 398 | tv.handle2Item[hItem] = item |
| 399 | |
| 400 | if !tv.lazyPopulation { |
| 401 | if err := tv.insertChildren(item); err != nil { |
| 402 | return 0, err |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | return hItem, nil |
| 407 | } |
| 408 | |
| 409 | func (tv *TreeView) insertChildren(parent TreeItem) error { |
| 410 | info := tv.item2Info[parent] |
no test coverage detected