C++ TSTR::Append方法代码示例

HTREEITEM plComponentDlg::IAddComponent(HWND hTree, plMaxNode *node)
{
    plComponentBase *comp = node->ConvertToComponent();

    // Try and find the component category in the tree
    const char *category = comp->GetCategory();
    HTREEITEM hCat = IFindTreeItem(hTree, category, TVI_ROOT);
    // If it isn't there yet, add it
    if (!hCat)
        hCat = IAddLeaf(hTree, TVI_ROOT, category, 0);

    // Try and find the component type in the tree
    int idx = plComponentMgr::Inst().FindClassID(comp->ClassID());
    HTREEITEM hType = ISearchTree(hTree, idx+1, hCat);
    if (!hType)
    {
        // If it isn't there yet, add it
        TSTR type;
        comp->GetClassName(type);

        if (IIsHidden(comp->ClassID()))
            type.Append(" (Hidden)");

        hType = IAddLeaf(hTree, hCat, type, idx+1);
    }

    // Add the name of this component to this type
    return IAddLeaf(hTree, hType, node->GetName(), (LPARAM)node);
}

void plComponentDlg::IOpenRightClickMenu()
{
    HWND hTree = GetDlgItem(fhDlg, IDC_TREE);

    // Get the position of the cursor in screen and tree client coords
    POINT point, localPoint;
    GetCursorPos(&point);
    localPoint = point;
    ScreenToClient(hTree, &localPoint);

    // Check if there is a tree item at that point
    TVHITTESTINFO hitTest;
    hitTest.pt = localPoint;
    TreeView_HitTest(hTree, &hitTest);
    if (!(hitTest.flags & TVHT_ONITEMLABEL))
        return;

    // Check if the tree item has an lParam (is a component)
    TVITEM item;
    item.mask = TVIF_PARAM;
    item.hItem = hitTest.hItem;
    TreeView_GetItem(hTree, &item);

    HMENU menu = nil;
    if (IIsComponent(item.lParam))
        menu = fCompMenu;
    else if (IIsType(item.lParam))
        menu = fTypeMenu;
    else
        return;

    // Select the item we're working with, so the user isn't confused
    TreeView_SelectItem(hTree, item.hItem);

    // Create the popup menu and get the option the user selects
    SetForegroundWindow(fhDlg);
    int sel = TrackPopupMenu(menu, TPM_NONOTIFY | TPM_RETURNCMD, point.x, point.y, 0, fhDlg, NULL);
    switch(sel)
    {
    case kMenuDelete:
        IDeleteComponent((plMaxNode*)item.lParam);
        break;

    case kMenuRename:
        TreeView_EditLabel(hTree, hitTest.hItem);
        break;

    case kMenuCopy:
        {
            // Component to copy
            INode *node = (INode*)item.lParam;
            INodeTab tab;
            tab.Append(1, &node);

            // Copy
            INodeTab copy;

            // Make the copy
            fInterface->CloneNodes(tab, Point3(0,0,0), true, NODE_COPY, NULL, &copy);

            // Delete the targets for the copy and add it to the tree
            plMaxNode *newNode = (plMaxNode*)copy[0];
            newNode->ConvertToComponent()->DeleteAllTargets();
            HTREEITEM hItem = IAddComponent(GetDlgItem(fhDlg, IDC_TREE), newNode);
            TreeView_SelectItem(GetDlgItem(fhDlg, IDC_TREE), hItem);
        }
        break;

    case kMenuHide:
        {
            ClassDesc *desc = plComponentMgr::Inst().Get(item.lParam-1);

            std::vector<Class_ID>::iterator it;
            it = std::find(fHiddenComps.begin(), fHiddenComps.end(), desc->ClassID());

            TSTR name = desc->ClassName();
            if (it == fHiddenComps.end())
            {
                fHiddenComps.push_back(desc->ClassID());
                name.Append(" (Hidden)");
            }
            else
                fHiddenComps.erase(it);

            item.mask = TVIF_TEXT;
            item.pszText = name;
            TreeView_SetItem(GetDlgItem(fhDlg, IDC_TREE), &item);

            plComponentUtil::Instance().IUpdateRollups();
        }
        break;
    }

    PostMessage(fhDlg, WM_USER, 0, 0);
}