Method QueryContextMenu

diff_ext_for_kdiff3/diff_ext.cpp:160–262

}

STDMETHODIMP
DIFF_EXT::QueryContextMenu(HMENU menu, UINT position, UINT first_cmd, UINT /*last_cmd not used*/, UINT flags)
{
    LOG();

    SERVER::instance()->recent_files(); // updates recent files list (reads from registry)

    m_id_Diff = UINT(-1);
    m_id_DiffWith = UINT(-1);
    m_id_DiffLater = UINT(-1);
    m_id_MergeWith = UINT(-1);
    m_id_Merge3 = UINT(-1);
    m_id_Diff3 = UINT(-1);
    m_id_DiffWith_Base = UINT(-1);
    m_id_ClearList = UINT(-1);
    m_id_About = UINT(-1);

    HRESULT ret = MAKE_HRESULT(SEVERITY_SUCCESS, FACILITY_NULL, 0);

    if(!(flags & CMF_DEFAULTONLY))
    {
        /* Menu structure:
           KDiff3 -> (1 File selected):  Save 'selection' for later comparison (push onto history stack)
                                         Compare 'selection' with first file on history stack.
                                         Compare 'selection' with -> choice from history stack
                                         Merge 'selection' with first file on history stack.
                                         Merge 'selection' with last two files on history stack.
                     (2 Files selected): Compare 's1' with 's2'
                                         Merge 's1' with 's2'
                     (3 Files selected): Compare 's1', 's2' and 's3'
        */
        HMENU subMenu = CreateMenu();

        UINT id = first_cmd;
        m_id_FirstCmd = first_cmd;

        insertMenuItemHelper(menu, id++, position++, TEXT("")); // begin separator

        tstring menuString;
        UINT pos2 = 0;
        if(m_nrOfSelectedFiles == 1)
        {
            size_t nrOfRecentFiles = m_recentFiles.size();
            tstring menuStringCompare;
            tstring menuStringMerge;
            tstring firstFileName;
            if(nrOfRecentFiles >= 1)
            {
                firstFileName = TEXT("'") + cut_to_length(m_recentFiles.front()) + TEXT("'");
            }

            menuStringCompare = fromQString(i18nc("Contexualmenu option", "Compare with %1", toQString(firstFileName)));
            menuStringMerge = fromQString(i18nc("Contexualmenu option", "Merge with %1", toQString(firstFileName)));

            m_id_DiffWith = insertMenuItemHelper(subMenu, id++, pos2++, menuStringCompare, nrOfRecentFiles >= 1 ? MFS_ENABLED : MFS_DISABLED);
            m_id_MergeWith = insertMenuItemHelper(subMenu, id++, pos2++, menuStringMerge, nrOfRecentFiles >= 1 ? MFS_ENABLED : MFS_DISABLED);

            m_id_Merge3 = insertMenuItemHelper(subMenu, id++, pos2++, fromQString(i18nc("Contexualmenu option", "3-way merge with base")),