Function UpdateLineNumberWidth

src/Notepad2.c:5366–5382

============================================================================= UpdateLineNumberWidth()

//
//
void UpdateLineNumberWidth()
{
    char tchLines[32];
    int  iLineMarginWidthNow;
    int  iLineMarginWidthFit;
    if ( bShowLineNumbers ) {
        wsprintfA ( tchLines, "_%i_", SendMessage ( hwndEdit, SCI_GETLINECOUNT, 0, 0 ) );
        iLineMarginWidthNow = ( int ) SendMessage ( hwndEdit, SCI_GETMARGINWIDTHN, 0, 0 );
        iLineMarginWidthFit = ( int ) SendMessage ( hwndEdit, SCI_TEXTWIDTH, STYLE_LINENUMBER, ( LPARAM ) tchLines );
        if ( iLineMarginWidthNow != iLineMarginWidthFit ) {
            //SendMessage(hwndEdit,SCI_SETMARGINWIDTHN,0,0);
            SendMessage ( hwndEdit, SCI_SETMARGINWIDTHN, 0, iLineMarginWidthFit );
        }
    } else {
        SendMessage ( hwndEdit, SCI_SETMARGINWIDTHN, 0, 0 );
    }
}
//=============================================================================
//
//  FileIO()