Function EditMoveUp

src/Edit.c:2323–2397

============================================================================= EditMoveUp()

//  EditMoveUp()
//
void EditMoveUp ( 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 > 0 ) {
            SendMessage ( hwnd, SCI_BEGINUNDOACTION, 0, 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 = min ( iCurLine, iAnchorLine ) - 1;
        if ( iLineSrc >= 0 ) {
            DWORD cLine;
            char *pLine;
            int iLineSrcStart;
            int iLineSrcEnd;
            int iLineDest;
            int iLineDestStart;
            cLine = ( int ) SendMessage ( hwnd, SCI_GETLINE, ( WPARAM ) iLineSrc, 0 );
            pLine = LocalAlloc ( LPTR, cLine + 1 );
            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 = max ( iCurLine, iAnchorLine );
            if ( max ( iCurPos, iAnchorPos ) <= SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineDest, 0 ) ) {
                if ( iLineDest >= 1 ) {
                    iLineDest--;
                }
            }
            SendMessage ( hwnd, SCI_BEGINUNDOACTION, 0, 0 );
            SendMessage ( hwnd, SCI_SETTARGETSTART, ( WPARAM ) iLineSrcStart, 0 );
            SendMessage ( hwnd, SCI_SETTARGETEND, ( WPARAM ) iLineSrcEnd, 0 );
            SendMessage ( hwnd, SCI_REPLACETARGET, 0, ( LPARAM ) "" );
            iLineDestStart = ( int ) SendMessage ( hwnd, SCI_POSITIONFROMLINE, ( WPARAM ) iLineDest, 0 );
            SendMessage ( hwnd, SCI_INSERTTEXT, ( WPARAM ) iLineDestStart, ( LPARAM ) pLine );
            LocalFree ( pLine );
            if ( iLineDest == SendMessage ( hwnd, SCI_GETLINECOUNT, 0, 0 ) - 1 ) {
                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_INSERTTEXT, ( WPARAM ) iLineDestStart, ( LPARAM ) chaEOL );
                SendMessage ( hwnd, SCI_SETTARGETSTART, ( WPARAM )
                              SendMessage ( hwnd, SCI_GETLINEENDPOSITION, ( WPARAM ) iLineDest, 0 ), 0 );
                SendMessage ( hwnd, SCI_SETTARGETEND, ( WPARAM )