Function EditMoveDown

src/Edit.c:2404–2490

============================================================================= EditMoveDown()

//  EditMoveDown()
//
void EditMoveDown ( HWND hwnd )
{
    int iCurPos = ( int ) SendMessage ( hwnd, SCI_GETCURRENTPOS, 0, 0 );
    int iAnchorPos = ( int ) SendMessage ( hwnd, SCI_GETANCHOR, 0, 0 );
    int iCurLine = ( int ) SendMessage ( hwnd, SCI_LINEFROMPOSITION, ( WPARAM ) iCurPos, 0 );
    int iAnchorLine = ( int ) SendMessage ( hwnd, SCI_LINEFROMPOSITION, ( WPARAM ) iAnchorPos, 0 );
    if ( iCurLine == iAnchorLine ) {
        int iLineCurPos = iCurPos - ( int ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iCurLine, 0 );
        int iLineAnchorPos = iAnchorPos - ( int ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iAnchorLine, 0 );
        if ( iCurLine < SendMessage ( hwnd, SCI_GETLINECOUNT, 0, 0 ) - 1 ) {
            SendMessage ( hwnd, SCI_BEGINUNDOACTION, 0, 0 );
            SendMessage ( hwnd, SCI_GOTOLINE, ( WPARAM ) iCurLine + 1, 0 );
            SendMessage ( hwnd, SCI_LINETRANSPOSE, 0, 0 );
            SendMessage ( hwnd, SCI_SETSEL,
                          ( WPARAM ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iAnchorLine + 1, 0 ) + iLineAnchorPos,
                          ( LPARAM ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iCurLine + 1, 0 ) + iLineCurPos );
            SendMessage ( hwnd, SCI_CHOOSECARETX, 0, 0 );
            SendMessage ( hwnd, SCI_ENDUNDOACTION, 0, 0 );
        }
    } else if ( SC_SEL_RECTANGLE != SendMessage ( hwnd, SCI_GETSELECTIONMODE, 0, 0 ) ) {
        int iLineSrc = max ( iCurLine, iAnchorLine ) + 1;
        if ( max ( iCurPos, iAnchorPos ) <= SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineSrc - 1, 0 ) ) {
            if ( iLineSrc >= 1 ) {
                iLineSrc--;
            }
        }
        if ( iLineSrc <= SendMessage ( hwnd, SCI_GETLINECOUNT, 0, 0 ) - 1 ) {
            DWORD cLine;
            char *pLine;
            int iLineSrcStart;
            int iLineSrcEnd;
            int iLineDest;
            int iLineDestStart;
            BOOL bLastLine = ( iLineSrc == SendMessage ( hwnd, SCI_GETLINECOUNT, 0, 0 ) - 1 );
            if ( bLastLine &&
                    ( SendMessage ( hwnd, SCI_GETLINEENDPOSITION, ( WPARAM ) iLineSrc, 0 ) -
                      SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineSrc, 0 ) == 0 ) &&
                    ( SendMessage ( hwnd, SCI_GETLINEENDPOSITION, ( WPARAM ) iLineSrc - 1, 0 ) -
                      SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineSrc - 1, 0 ) == 0 ) ) {
                return;
            }
            if ( bLastLine ) {
                char chaEOL[] = "\r\n";
                int iEOLMode = ( int ) SendMessage ( hwnd, SCI_GETEOLMODE, 0, 0 );
                if ( iEOLMode == SC_EOL_CR ) {
                    chaEOL[1] = 0;
                } else if ( iEOLMode == SC_EOL_LF ) {
                    chaEOL[0] = '\n';
                    chaEOL[1] = 0;
                }
                SendMessage ( hwnd, SCI_APPENDTEXT, ( WPARAM ) lstrlenA ( chaEOL ), ( LPARAM ) chaEOL );
            }
            cLine = ( int ) SendMessage ( hwnd, SCI_GETLINE, ( WPARAM ) iLineSrc, 0 );
            pLine = LocalAlloc ( LPTR, cLine + 3 );
            SendMessage ( hwnd, SCI_GETLINE, ( WPARAM ) iLineSrc, ( LPARAM ) pLine );
            iLineSrcStart = ( int ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineSrc, 0 );
            iLineSrcEnd = ( int ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineSrc + 1, 0 );
            iLineDest = min ( iCurLine, iAnchorLine );