C++ Ztring::resize方法代码示例

Ztring OldFiles_Test ()
{
    //Checking version in Info_Version
    ToShow+=__T("Version checked : ");
    F.Open(__T("../Source/MediaInfo/MediaInfo_Config.cpp"));
    I=F.Read(C, 1000000);
    if (!I)
    {
        ToShow+=__T("Error opening ../Source/MediaInfo/MediaInfo_Config.cpp");
        return ToShow;
    }
    C[I]=0;
    Z.From_Local(C);
    Version=Z.SubString(__T("MediaInfoLib - v"), __T("\")"));
    if (Version.size()!=7)
    {
        ToShow+=__T("Error reading ../Source/MediaInfo/MediaInfo.cpp : \"MediaInfoLib - vX.X.X.X - \" not found");
        return ToShow;
    }
    Version_Short=Version; Version_Short.resize(3);
    ToShow+=Version+__T("\r\n");

    //Checking version in MediaInfo.h
    if (Test_Version("../Source/MediaInfo/MediaInfo.h", "@version ", "\n")) return ToShow;
    if (Test_Version("../Source/MediaInfo/MediaInfoList.h", "@version ", "\n")) return ToShow;
    if (Test_Version("../Project/MSVC/Dll/MediaInfo.rc", " FILEVERSION ", "\n")) return ToShow;
    if (Test_Version("../Project/MSVC/Dll/MediaInfo.rc", " PRODUCTVERSION ", "\n")) return ToShow;
    if (Test_Version("../Project/MSVC/Dll/MediaInfo.rc", "            VALUE \"FileVersion\", \"", "\"")) return ToShow;
    if (Test_Version("../Project/MSVC/Dll/MediaInfo.rc", "            VALUE \"ProductVersion\", \"", "\"")) return ToShow;
    if (Test_Version("../History.txt", "Version ", " ")) return ToShow;
    if (Test_Date(__T("MSVC/Library/MediaInfo.lib"))) return ToShow;
    if (Test_Date(__T("MSVC/Dll/MediaInfo.dll"))) return ToShow;

    return ToShow;
}

int Test_Version(char* FileName_, char* Begin, char* End)
{
    wxString FileName=Ztring().From_Local(FileName_).c_str();
    //Opening File
    F.Open(FileName);
    I=F.Read(C, 1000000);
    if (!I)
    {
        ToShow+=__T("Error opening ")+FileName;
        return -1;
    }

    //Getting information
    C[I]=0;
    Z.From_Local(C);
    Z=Z.SubString(Ztring().From_Local(Begin), Ztring().From_Local(End));

    //deleting extra bytes
    if (Z[Z.size()-1]=='\n')
        Z.resize(Z.size()-1);
    if (Z[Z.size()-1]=='\r')
        Z.resize(Z.size()-1);

    //Testing validity
    if (Z.size()!=3 && Z.size()!=7) //non long, no short
    {
        ToShow+=__T("Error reading ")+FileName;
        return -2;
    }

    //Reformtation information
    Z.FindAndReplace(__T(","), __T("."), 0, Ztring_Recursive);

    if (Z!=Version && Z!=Version_Short)
    {
        ToShow+=FileName;
        ToShow+=__T(" is not good : version is marked ");
        ToShow+=Z;
        ToShow+=__T("\r\n");
    }
    return 0;
}

//---------------------------------------------------------------------------
void PBCore_Transform__Common_End(Ztring &ToReturn, MediaInfo_Internal &MI, stream_t StreamKind, size_t StreamPos)
{
    //essenceTrackAnnotation - all fields (except *_String*) separated by |
    Ztring Temp;
    for (size_t Pos=0; Pos<MI.Count_Get(StreamKind, StreamPos); Pos++)
        if (MI.Get(StreamKind, StreamPos, Pos, Info_Name).find(__T("String"))==std::string::npos && !MI.Get(StreamKind, StreamPos, Pos).empty())
            Temp+=MI.Get(StreamKind, StreamPos, Pos, Info_Name)+__T(": ")+MI.Get(StreamKind, StreamPos, Pos)+__T('|');
    if (!Temp.empty())
    {
        Temp.resize(Temp.size()-1);
        ToReturn+=__T("\t\t\t<essenceTrackAnnotation>"); ToReturn+=Temp; ToReturn+=__T("</essenceTrackAnnotation>\n");
    }
}

Ztring ZtringListList::Read1 (size_type Pos1) const
{
    Ztring ToReturn;
    size_type Size=size()-1;
    for (size_type Pos=0; Pos<Size; Pos++)
        ToReturn+=operator[](Pos).Read(Pos1)+Separator[0];
    ToReturn+=operator[](Size).Read(Pos1);

    //Delete all useless separators at the end
    if(ToReturn(ToReturn.size()-1)==Separator[0][Separator[0].size()-1]) //Optimize speed
        while (ToReturn.find(Separator[0].c_str(), ToReturn.size()-Separator[0].size())!=std::string::npos)
            ToReturn.resize(ToReturn.size()-Separator[0].size());

    return ToReturn;
}

//---------------------------------------------------------------------------
// Read
Ztring ZtringListList::Read () const
{
    //Integrity
    if (size()==0)
        return _T("");

    Ztring ToReturn;
    size_type Size=size()-1;
    for (size_type Pos0=0; Pos0<Size; Pos0++)
        ToReturn+=Read(Pos0)+Separator[0];
    ToReturn+=Read(Size);

    //Delete all useless separators at the end
    if(ToReturn.size()>0 && Separator[0].size() && ToReturn(ToReturn.size()-1)==Separator[0][Separator[0].size()-1]) //Optimize speed
        while (ToReturn.find(Separator[0].c_str(), ToReturn.size()-Separator[0].size())!=std::string::npos)
            ToReturn.resize(ToReturn.size()-Separator[0].size());

    return ToReturn;
}

//---------------------------------------------------------------------------
// Read
Ztring ZtringList::Read () const
{
    //Integrity
    if (size()==0)
        return _T("");

    Ztring Retour;
    for (size_type Pos=0; Pos<size(); Pos++)
    {
        if (operator[](Pos).find(Separator[0])==std::string::npos)
            Retour+=operator[](Pos)+Separator[0];
        else
            Retour+=Quote+operator[](Pos)+Quote+Separator[0];
    }

    //delete all useless separators at the end
    while (Retour.find(Separator[0].c_str(), Retour.size()-Separator[0].size())!=std::string::npos)
        Retour.resize(Retour.size()-Separator[0].size());

    return Retour;
}

//---------------------------------------------------------------------------
// Read
Ztring ZtringList::Read () const
{
    //Integrity
    if (size()==0)
        return Ztring();

    Ztring Retour;
    Ztring ToFind=Separator[0]+Quote[0]+__T("\r\n");
    for (size_type Pos=0; Pos<size(); Pos++)
    {
        if (operator[](Pos).find_first_of(ToFind)==std::string::npos)
            Retour+=operator[](Pos)+Separator[0];
        else if (operator[](Pos).find(Separator[0])==std::string::npos
              && operator[](Pos).find(Quote)==std::string::npos
              && operator[](Pos).find('\r')==std::string::npos
              && operator[](Pos).find('\n')==std::string::npos)
            Retour+=operator[](Pos)+Separator[0];
        else
        {
            if (operator[](Pos).find(Quote)==std::string::npos)
                Retour+=Quote+operator[](Pos)+Quote+Separator[0];
            else
            {
                Ztring Value=operator[](Pos);
                Value.FindAndReplace(Quote, Quote+Quote, 0, Ztring_Recursive);
                Retour+=Quote+Value+Quote+Separator[0];
            }
        }
    }

    //delete all useless separators at the end
    //while (Retour.find(Separator[0].c_str(), Retour.size()-Separator[0].size())!=std::string::npos)
    if (Retour.find(Separator[0].c_str(), Retour.size()-Separator[0].size())!=std::string::npos)
        Retour.resize(Retour.size()-Separator[0].size());

    return Retour;
}

//---------------------------------------------------------------------------
void File_Jpeg::SIZ()
{
    //Parsing
    vector<float> SamplingFactors;
    vector<int8u> BitDepths;
    int8u SamplingFactors_Max=0;
    int32u Xsiz, Ysiz;
    int16u Count;
    Skip_B2(                                                    "Rsiz - Capability of the codestream");
    Get_B4 (Xsiz,                                               "Xsiz - Image size X");
    Get_B4 (Ysiz,                                               "Ysiz - Image size Y");
    Skip_B4(                                                    "XOsiz - Image offset X");
    Skip_B4(                                                    "YOsiz - Image offset Y");
    Skip_B4(                                                    "tileW - Size of tile W");
    Skip_B4(                                                    "tileH - Size of tile H");
    Skip_B4(                                                    "XTOsiz - Upper-left tile offset X");
    Skip_B4(                                                    "YTOsiz - Upper-left tile offset Y");
    Get_B2 (Count,                                              "Components and initialize related arrays");
    for (int16u Pos=0; Pos<Count; Pos++)
    {
        Element_Begin1("Initialize related array");
        int8u BitDepth = 0, compSubsX = 0, compSubsY = 0;
        BS_Begin();
        Skip_SB(                                                "Signed");
        Get_S1 (7, BitDepth,                                    "BitDepth"); Param_Info1(1+BitDepth); Element_Info1(1+BitDepth);
        BS_End();
        Get_B1 (   compSubsX,                                   "compSubsX"); Element_Info1(compSubsX);
        Get_B1 (   compSubsY,                                   "compSubsY"); Element_Info1(compSubsY);
        Element_End0();

        //Filling list of HiVi
        if (compSubsX)
        {
            SamplingFactors.push_back(((float)compSubsY)/compSubsX);
            if (((float)compSubsY)/compSubsX>SamplingFactors_Max)
                SamplingFactors_Max=(int8u)((float)compSubsY)/compSubsX;
        }
        if (BitDepths.empty() || BitDepth!=BitDepths[0])
            BitDepths.push_back(BitDepth);
    }

    FILLING_BEGIN_PRECISE();
        if (Frame_Count==0 && Field_Count==0)
        {
            Accept("JPEG 2000");

            if (Count_Get(StreamKind_Last)==0)
                Stream_Prepare(StreamKind_Last);
            Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Format), "JPEG 2000");
            Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_Codec), "JPEG 2000");
            if (StreamKind_Last==Stream_Image)
                Fill(Stream_Image, 0, Image_Codec_String, "JPEG 2000", Unlimited, true, true); //To Avoid automatic filling
            Fill(StreamKind_Last, 0, StreamKind_Last==Stream_Image?(size_t)Image_Width:(size_t)Video_Width, Xsiz);
            Fill(StreamKind_Last, 0, StreamKind_Last==Stream_Image?(size_t)Image_Height:(size_t)Video_Height, Ysiz*(Interlaced?2:1)); //If image is from interlaced content, must multiply height by 2

            if (BitDepths.size()==1)
                Fill(StreamKind_Last, 0, Fill_Parameter(StreamKind_Last, Generic_BitDepth), 1+BitDepths[0]);

            //Chroma subsampling
            if (SamplingFactors_Max)
                while (SamplingFactors_Max<4)
                {
                    for (size_t Pos=0; Pos<SamplingFactors.size(); Pos++)
                        SamplingFactors[Pos]*=2;
                    SamplingFactors_Max*=2;
                }
            while (SamplingFactors.size()<3)
                SamplingFactors.push_back(0);
            Ztring ChromaSubsampling;
            for (size_t Pos=0; Pos<SamplingFactors.size(); Pos++)
                ChromaSubsampling+=Ztring::ToZtring(SamplingFactors[Pos], 0)+__T(':');
            if (!ChromaSubsampling.empty())
            {
                ChromaSubsampling.resize(ChromaSubsampling.size()-1);
                Fill(StreamKind_Last, 0, "ChromaSubsampling", ChromaSubsampling);
            }
        }
    FILLING_END();
}

void File_OtherText::Read_Buffer_Continue()
{
    if (Buffer_Size<0x200)
    {
        Element_WaitForMoreData();
        return;
    }

    Element_Offset=File_Size-(File_Offset+Buffer_Offset);

    Ztring Format, FormatMore, Codec;
    Ztring File;
    ZtringList Lines;

    //Feed File and Lines
    File.From_UTF8((const char*)Buffer, Buffer_Size>65536?65536:Buffer_Size);
    if (File.empty())
        File.From_Local((const char*)Buffer, Buffer_Size>65536?65536:Buffer_Size); // Trying from local code page
    if (File.size()<0x100)
    {
        File.From_Unicode((wchar_t*)Buffer, 0, Buffer_Size/sizeof(wchar_t)); //Unicode with BOM
        //TODO: Order of bytes (big or Little endian)
        if (File.size()<0x100)
        {
            Reject("Other text");
            return;
        }
    }
    if (File.size()>0x1000)
        File.resize(0x1000); //Do not work on too big
    File.FindAndReplace(__T("\r\n"), __T("\n"), 0, Ztring_Recursive);
    File.FindAndReplace(__T("\r"), __T("\n"), 0, Ztring_Recursive);
    Lines.Separator_Set(0, __T("\n"));
    Lines.Write(File);
    Lines.resize(0x20);

         if (Lines[0]==__T("[Script Info]")
          && (Lines.Find(__T("ScriptType: v4.00"))!=Error || Lines.Find(__T("Script Type: V4.00"))!=Error)
          && Lines.Find(__T("[V4 Styles]"))!=Error
          )
    {
       Format=__T("SSA");
       FormatMore=__T("SubStation Alpha");
       Codec=__T("SSA");
    }
    else if (Lines[0]==__T("[Script Info]")
          && (Lines.Find(__T("ScriptType: v4.00+"))!=Error || Lines.Find(__T("Script Type: V4.00+"))!=Error)
          && Lines.Find(__T("[V4+ Styles]"))!=Error
          )
    {
       Format=__T("ASS");
       FormatMore=__T("Advanced SubStation Alpha");
       Codec=__T("ASS");
    }
    else if (Lines[0].size()>24
          && Lines[0][ 0]==__T('0') && Lines[0][ 1]==__T('0')
          && Lines[0][ 2]==__T(':') && Lines[0][ 5]==__T(':') && Lines[0][ 8]==__T(':')
          && Lines[0][11]==__T(' ')
          && Lines[0][12]==__T('0') && Lines[0][13]==__T('0')
          && Lines[0][14]==__T(':') && Lines[0][17]==__T(':') && Lines[0][20]==__T(':')
          && Lines[0][23]==__T(' ')
          )
    {
       Format=__T("Adobe encore DVD");
       Codec=__T("Adobe");
    }
    else if (Lines[0].size()==11
          && Lines[0][0]==__T('-') && Lines[0][1]==__T('-') && Lines[0][2]==__T('>') && Lines[0][3]==__T('>') && Lines[0][4]==__T(' ')
          && Lines[0][5]==__T('0')
          && Lines[1].empty()!=true
          )
    {
       Format=__T("AQTitle");
       Codec=__T("AQTitle");
    }
    else if (Lines[0].size()>28
          && Lines[0][ 0]==__T('0') && Lines[0][ 1]==__T('0')
          && Lines[0][ 2]==__T(':') && Lines[0][ 5]==__T(':') && Lines[0][ 8]==__T(':')
          && Lines[0][11]==__T(' ') && Lines[0][12]==__T(',') && Lines[0][13]==__T(' ')
          && Lines[0][14]==__T('0') && Lines[0][15]==__T('0')
          && Lines[0][16]==__T(':') && Lines[0][19]==__T(':') && Lines[0][22]==__T(':')
          && Lines[0][25]==__T(' ') && Lines[0][16]==__T(',') && Lines[0][27]==__T(' ')
          )
    {
       Format=__T("Captions 32");
       Codec=__T("Caption 32");
    }
    else if (Lines[0].size()==23
          && Lines[0]==__T("*Timecode type: PAL/EBU")
          && Lines[1].empty()
          && Lines[2].size()==23
          && Lines[2][ 0]==__T('0') && Lines[2][ 1]==__T('0')
          && Lines[2][ 2]==__T(':') && Lines[2][ 5]==__T(':') && Lines[2][ 8]==__T(':')
          && Lines[2][11]==__T(' ')
          && Lines[2][12]==__T('0') && Lines[2][13]==__T('0')
          && Lines[2][14]==__T(':') && Lines[2][17]==__T(':') && Lines[2][20]==__T(':')
          && Lines[2].size()>0
          )
    {
       Format=__T("Captions Inc");
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                                essenceTrackType=__T("TimeCode");
                                break;
                            }
                            else
                                return; //Not supported
        default:            return; //Not supported
    }

    ToReturn+=__T("\t\t<pbcoreEssenceTrack>\n");

    ToReturn+=__T("\t\t\t<essenceTrackType>")+essenceTrackType+__T("</essenceTrackType>\n");

    //essenceTrackIdentifier
    if (!MI.Get(StreamKind, StreamPos, __T("ID")).empty())
    {
        ToReturn+=__T("\t\t\t<essenceTrackIdentifier>")+MI.Get(StreamKind, StreamPos, __T("ID"))+__T("</essenceTrackIdentifier>\n");
        ToReturn+=__T("\t\t\t<essenceTrackIdentifierSource>ID (Mediainfo)</essenceTrackIdentifierSource>\n");
    }
    else if (!MI.Get(StreamKind, StreamPos, __T("UniqueID")).empty())
    {
        ToReturn+=__T("\t\t\t<essenceTrackIdentifier>")+MI.Get(StreamKind, StreamPos, __T("UniqueID"))+__T("</essenceTrackIdentifier>\n");
        ToReturn+=__T("\t\t\t<essenceTrackIdentifierSource>UniqueID (Mediainfo)</essenceTrackIdentifierSource>\n");
    }
    else if (!MI.Get(StreamKind, StreamPos, __T("StreamKindID")).empty())
    {
        ToReturn+=__T("\t\t\t<essenceTrackIdentifier>")+MI.Get(StreamKind, StreamPos, __T("StreamKindID"))+__T("</essenceTrackIdentifier>\n");
        ToReturn+=__T("\t\t\t<essenceTrackIdentifierSource>StreamKindID (Mediainfo)</essenceTrackIdentifierSource>\n");
    }

    //essenceTrackStandard
    if (StreamKind==Stream_Video && !MI.Get(Stream_Video, StreamPos, Video_Standard).empty())
        ToReturn+=__T("\t\t\t<essenceTrackStandard>")+MI.Get(Stream_Video, StreamPos, Video_Standard)+__T("</essenceTrackStandard>\n");

    //essenceTrackEncoding
    if (!MI.Get(StreamKind, StreamPos, __T("Format")).empty())
    {
        ToReturn+=__T("\t\t\t<essenceTrackEncoding>");
        ToReturn+=MI.Get(StreamKind, StreamPos, __T("Format"));
        if (!MI.Get(StreamKind, StreamPos, __T("Format_Profile")).empty()) ToReturn+=__T(' ')+MI.Get(StreamKind, StreamPos, __T("Format_Profile"));
        if (!MI.Get(StreamKind, StreamPos, __T("CodecID")).empty()) ToReturn+=__T(" (")+MI.Get(StreamKind, StreamPos, __T("CodecID"))+__T(')');
        ToReturn+=__T("</essenceTrackEncoding>\n");
    }

    //essenceTrackDataRate
    if (!MI.Get(StreamKind, StreamPos, __T("BitRate")).empty())
    {
        ToReturn+=__T("\t\t\t<essenceTrackDataRate>");
        ToReturn+=MI.Get(StreamKind, StreamPos, __T("BitRate"));
        if (!MI.Get(StreamKind, StreamPos, __T("BitRate_Mode")).empty())
            ToReturn+=__T(' ')+MI.Get(StreamKind, StreamPos, __T("BitRate_Mode"));
        ToReturn+=__T("</essenceTrackDataRate>\n");
    }

    //essenceTrackFrameRate
    if (StreamKind==Stream_Video && !MI.Get(Stream_Video, StreamPos, Video_FrameRate).empty())
    {
        ToReturn+=__T("\t\t\t<essenceTrackFrameRate>");
        ToReturn+=MI.Get(Stream_Video, StreamPos, Video_FrameRate);
        if (!MI.Get(Stream_Video, StreamPos, Video_FrameRate_Mode).empty())
            ToReturn+=__T(' ')+MI.Get(Stream_Video, StreamPos, Video_FrameRate_Mode);
        ToReturn+=__T("</essenceTrackFrameRate>\n");
    }

    //essenceTrackSamplingRate
    if (StreamKind==Stream_Audio && !MI.Get(Stream_Audio, StreamPos, Audio_SamplingRate).empty())
        ToReturn+=__T("\t\t\t<essenceTrackSamplingRate>")+MI.Get(Stream_Audio, StreamPos, Audio_SamplingRate)+__T("</essenceTrackSamplingRate>\n");

    //essenceTrackBitDepth
    if (!MI.Get(StreamKind, StreamPos, __T("BitDepth")).empty())
        ToReturn+=__T("\t\t\t<essenceTrackBitDepth version=\"PBCoreXSD_Ver_1.2_D1\">")+MI.Get(StreamKind, StreamPos, __T("BitDepth"))+__T("</essenceTrackBitDepth>\n");

    //essenceTrackFrameSize
    if (StreamKind==Stream_Video && !MI.Get(Stream_Video, StreamPos, Video_Width).empty())
        ToReturn+=__T("\t\t\t<essenceTrackFrameSize>")+MI.Get(Stream_Video, StreamPos, Video_Width)+__T('x')+MI.Get(Stream_Video, StreamPos, Video_Height)+__T("</essenceTrackFrameSize>\n");

    //essenceTrackAspectRatio
    if (StreamKind==Stream_Video && !MI.Get(Stream_Video, StreamPos, Video_DisplayAspectRatio).empty())
        ToReturn+=__T("\t\t\t<essenceTrackAspectRatio>")+MI.Get(Stream_Video, StreamPos, Video_DisplayAspectRatio)+__T("</essenceTrackAspectRatio>\n");

    //essenceTrackDuration
    if (!MI.Get(StreamKind, StreamPos, __T("Duration")).empty())
        ToReturn+=__T("\t\t\t<essenceTrackDuration>")+MI.Get(StreamKind, StreamPos, __T("Duration"))+__T("</essenceTrackDuration>\n");

    //essenceTrackLanguage
    if (!MI.Get(StreamKind, StreamPos, __T("Language")).empty())
        ToReturn+=__T("\t\t\t<essenceTrackLanguage>")+MediaInfoLib::Config.Iso639_2_Get(MI.Get(StreamKind, StreamPos, __T("Language")))+__T("</essenceTrackLanguage>\n");

    //essenceTrackAnnotation - all fields (except *_String*) separated by |
    Ztring Temp;
    for (size_t Pos=0; Pos<MI.Count_Get(StreamKind, StreamPos); Pos++)
        if (MI.Get(StreamKind, StreamPos, Pos, Info_Name).find(__T("String"))==std::string::npos && !MI.Get(StreamKind, StreamPos, Pos).empty())
            Temp+=MI.Get(StreamKind, StreamPos, Pos, Info_Name)+__T(": ")+MI.Get(StreamKind, StreamPos, Pos)+__T('|');
    if (!Temp.empty())
    {
        Temp.resize(Temp.size()-1);
        ToReturn+=__T("\t\t\t<essenceTrackAnnotation>"); ToReturn+=Temp; ToReturn+=__T("</essenceTrackAnnotation>\n");
    }

    ToReturn+=__T("\t\t</pbcoreEssenceTrack>\n");
}

//---------------------------------------------------------------------------
void GUI_Main_Core_Table::contextMenuEvent (QContextMenuEvent* Event)
{
    //Retrieving data
    QTableWidgetItem* Item=itemAt(Event->pos());
    if (Item==NULL)
        return;
    string FileName=FileName_Before+item(Item->row(), 0)->text().toLocal8Bit().data();
    string Field=horizontalHeaderItem(Item->column())->text().toLocal8Bit().data();
    ZtringList History; History.Write(C->History(FileName, Field));
    Ztring Date;
    if (Field=="OriginationDate" || Field=="OriginationTime" || Field=="ICRD")
    {
        Date=C->FileDate_Get(FileName);
        if (Date.size()>=10+1+8)
        {
            if (Date.size()>=10+1+8)
                Date.resize(10+1+8);
            if (Field=="ICRD")
                Date.insert(0, "&Set ICRD to file creation timestamp ("); //If you change this, change at the end of method too
            else
                Date.insert(0, "&Set originationDate and Time to file creation timestamp ("); //If you change this, change at the end of method too
            Date.append(")");
        }
        else
            Date.clear();
    }

    //Creating menu
    QMenu menu(this);

    //Handling AllFiles display
    {
        menu.addAction(new QAction("Fill all open files with this field value", this)); //If you change this, change the test text too
        menu.addSeparator();
    }

    //Handling Clear display
    if (!item(Item->row(), Item->column())->text().isEmpty() && C->IsValid(FileName, Field, string()))
    {
        menu.addAction(new QAction("Clear this value", this)); //If you change this, change the test text too
        menu.addSeparator();
    }

    //Handling date display
    if (!Date.empty())
    {
        menu.addAction(new QAction(QString().fromUtf8(Date.To_Local().c_str()), this));
        menu.addSeparator();
    }

    //Handling history display
    size_t Pos=History.size();
    if (!History.empty())
        do
        {
            Pos--;

            QString Text=QString().fromUtf8(History[Pos].To_Local().c_str());
            if (!Text.isEmpty())
            {
                QAction* Action=new QAction(Text, this);
                menu.addAction(Action);
            }
        }
        while (Pos>0);
    
    //Displaying
    QAction* Action=menu.exec(Event->globalPos());
    if (Action==NULL)
        return;

    //Retrieving data
    QString Text=Action->text();


    //Special cases
    if (Text=="Fill all open files with this field value") //If you change this, change the creation text too
    {
        for (int Row=0; Row<rowCount(); Row++)
        {
            item(Row, Item->column())->setText(QString().fromUtf8(Ztring(C->Get(FileName, Field)).To_Local().c_str()));
            dataChanged(indexFromItem(item(Row, Item->column())), indexFromItem(item(Row, Item->column())));

            //Special cases
            if (Field=="UMID" || Field=="LoudnessValue" || Field=="LoudnessRange" || Field=="MaxTruePeakLevel" || Field=="MaxMomentaryLoudness" || Field=="MaxShortTermLoudness")
            {
                //Changing BextVersion Enabled value
                SetText   (*Item, "BextVersion");
                SetEnabled(*Item, "BextVersion");
            }
        }
        return;
    }
    if (Text=="Clear this value") //If you change this, change the creation text too
        Text.clear();

    //Filling
    if (Text.contains("&Set ")) //If you change this, change the creation text too
    {
//.........这里部分代码省略.........