Example #1
0
int
QUimTextUtil::acquireSelectionTextInQ3TextEdit( enum UTextOrigin origin,
                                                int former_req_len,
                                                int latter_req_len,
                                                char **former, char **latter )
{
    Q3TextEdit *edit = static_cast<Q3TextEdit *>( mWidget );
    QString text;
    int len, offset, newline;
    int start_para, start_index, end_para, end_index;
    int para, index;
    bool cursor_at_beginning = false;
    Qt::TextFormat format;

    if ( ! edit->hasSelectedText() )
        return -1;

    format = edit->textFormat();
    edit->setTextFormat( Qt::PlainText );

    edit->getCursorPosition( &para, &index );
    edit->getSelection(&start_para, &start_index, &end_para, &end_index, 0 );

    if ( para == start_para && index == start_index )
        cursor_at_beginning = true;

    text = edit->selectedText();
    len = text.length();

    if ( origin == UTextOrigin_Beginning ||
         ( origin == UTextOrigin_Cursor && cursor_at_beginning ) ) {
        *former = 0;
        offset = 0;
        if ( latter_req_len >= 0 ) {
            if ( len > latter_req_len )
                offset = len - latter_req_len;
        } else {
            if (! ( ~latter_req_len & ( ~UTextExtent_Line | ~UTextExtent_Full ) ) ) {
                edit->setTextFormat( format );
                return -1;
            }

            if ( latter_req_len == UTextExtent_Line && ( ( newline = text.indexOf( '\n' ) ) != -1 ) )
                offset = len - newline;
        }
        *latter = strdup( text.left( len - offset ).toUtf8().data() );
    } else if ( origin == UTextOrigin_End ||
                ( origin == UTextOrigin_Cursor && !cursor_at_beginning ) ) {
        offset = 0;
        if ( former_req_len >= 0 ) {
            if ( len > former_req_len )
                offset = len - former_req_len;
        } else {
            if (! ( ~former_req_len & ( ~UTextExtent_Line | ~UTextExtent_Full ) ) ) {
                edit->setTextFormat( format );
                return -1;
            }

            if ( former_req_len == UTextExtent_Line && ( ( newline = text.lastIndexOf( '\n' ) ) != -1 ) )
                offset = newline + 1;
        }
        *former = strdup( text.mid( offset, len - offset ).toUtf8().data() );
        *latter = 0;
    } else {
        edit->setTextFormat( format );
        return -1;
    }

    edit->setTextFormat( format );
    return 0;
}
Example #2
0
int
QUimTextUtil::acquirePrimaryTextInQ3TextEdit( enum UTextOrigin origin,
                                              int former_req_len,
                                              int latter_req_len,
                                              char **former, char **latter )
{
    Q3TextEdit *edit = static_cast<Q3TextEdit *>( mWidget );
    QString text;

    int start_para, start_index, end_para, end_index, para, index;
    int n_para;
    int preedit_len, preedit_cursor_pos;
    int sel_start_para, sel_start_index, sel_end_para, sel_end_index;
    Qt::TextFormat format;

    format = edit->textFormat();
    edit->setTextFormat( Qt::PlainText );

    edit->getCursorPosition( &para, &index ); // including preedit string

    // keep current selection
    edit->getSelection( &sel_start_para, &sel_start_index, &sel_end_para,
                        &sel_end_index, 0 );

    preedit_len = mIc->getPreeditString().length();
    preedit_cursor_pos = mIc->getPreeditCursorPosition();
    n_para = edit->paragraphs();

    switch ( origin ) {
    case UTextOrigin_Cursor:
        start_index = index - preedit_cursor_pos;
        start_para = para;
        end_index = start_index + preedit_len;
        end_para = para;

        if ( former_req_len >= 0 ) {
            for ( int i = 0; i < former_req_len; i++ )
                Q3TextEditPositionBackward( &start_para, &start_index );
        } else {
            if ( former_req_len == UTextExtent_Line )
                start_index = 0;
            else if ( former_req_len == UTextExtent_Full ) {
                start_para = 0;
                start_index = 0;
            } else {
                edit->setTextFormat( format );
                return -1;
            }
        }
        edit->setSelection( start_para, start_index, para, index - preedit_cursor_pos, 0 );
        *former = strdup( edit->selectedText().toUtf8().data() );

        if ( latter_req_len >= 0 ) {
            for ( int i = 0; i < latter_req_len; i++ )
                Q3TextEditPositionForward( &end_para, &end_index );
        } else {
            if ( latter_req_len == UTextExtent_Line ) {
                end_index = edit->paragraphLength( end_para );
            } else if ( latter_req_len == UTextExtent_Full ) {
                end_para = n_para - 1;
                end_index = edit->paragraphLength( end_para );
            } else {
                edit->setTextFormat( format );
                return -1;
            }
        }
        edit->setSelection( para, index - preedit_cursor_pos + preedit_len,
                            end_para, end_index, 0 );
        *latter = strdup( edit->selectedText().toUtf8().data() );
        break;

    case UTextOrigin_Beginning:
        *former = 0;

        start_para = 0;
        start_index = 0;
        end_para = start_para;
        end_index = start_index;

        if ( latter_req_len >= 0 ) {
            for ( int i = 0; i < latter_req_len; i++ )
                Q3TextEditPositionForward( &end_para, &end_index );
        } else {
            if ( latter_req_len == UTextExtent_Line )
                end_index = edit->paragraphLength( end_para );
            else if ( latter_req_len == UTextExtent_Full ) {
                end_para = n_para - 1;
                end_index = edit->paragraphLength( end_para );
            } else {
                edit->setTextFormat( format );
                return -1;
            }
        }
        if ( end_para < para || ( end_para == para && end_index <= ( index - preedit_cursor_pos ) ) ) {
            edit->setSelection( start_para, start_index, end_para, end_index, 0 );
            text = edit->selectedText();
        } else {
            edit->setSelection( start_para, start_index, para, index - preedit_cursor_pos, 0 );
            text = edit->selectedText();
            edit->setSelection( para, index - preedit_cursor_pos + preedit_len, end_para, end_index, 0 );
            text += edit->selectedText();
        }
        *latter = strdup( text.toUtf8().data() );
        break;

    case UTextOrigin_End:

        end_para = n_para - 1;
        end_index = edit->paragraphLength( end_para );
        start_para = end_para;
        start_index = end_index;

        if ( former_req_len >= 0 ) {
            for ( int i = 0; i < former_req_len; i++ )
                Q3TextEditPositionBackward( &start_para, &start_index );
        } else {
            if ( former_req_len == UTextExtent_Line )
                start_index = 0;
            else if ( former_req_len == UTextExtent_Full ) {
                start_para = 0;
                start_index = 0;
            } else {
                edit->setTextFormat( format );
                return -1;
            }
        }
        if ( start_para > para || ( start_para == para && start_index >= ( index - preedit_cursor_pos + preedit_len ) ) ) {
            edit->setSelection( start_para, start_index, end_para, end_index, 0 );
            text = edit->selectedText();
        } else {

            edit->setSelection( start_para, start_index, para, index - preedit_cursor_pos, 0 );
            text = edit->selectedText();

            edit->setSelection( para, index - preedit_cursor_pos + preedit_len, end_para, end_index, 0 );
            text += edit->selectedText();
        }
        *former = strdup( text.toUtf8().data() );
        *latter = 0;
        break;

    case UTextOrigin_Unspecified:
    default:
        edit->setTextFormat( format );
        return -1;
    }

    if ( sel_start_para != -1 && sel_start_index != -1 && sel_end_para != -1 &&
         sel_end_index != -1 )
        edit->setSelection( sel_start_index, sel_start_index, sel_end_para, sel_end_index, 0 );
    else
        edit->removeSelection( 0 );

    edit->setCursorPosition( para, index );

    edit->setTextFormat( format );
    return 0; 
}