Diffstat (limited to 'noncore/apps/opie-reader/QTReader.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/opie-reader/QTReader.cpp | 1186 |
1 files changed, 630 insertions, 556 deletions
diff --git a/noncore/apps/opie-reader/QTReader.cpp b/noncore/apps/opie-reader/QTReader.cpp index 6335ea2..e7bfc28 100644 --- a/noncore/apps/opie-reader/QTReader.cpp +++ b/noncore/apps/opie-reader/QTReader.cpp @@ -5,15 +5,17 @@ ** ** This file is part of an example program for Qt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ +#include <qpainter.h> #include "config.h" #include "QTReader.h" #include "QTReaderApp.h" +#include "CDrawBuffer.h" #include <qpe/qpeapplication.h> #include <math.h> #include <ctype.h> #include <stdio.h> //for sprintf #include <qpe/config.h> #include <qpe/applnk.h> @@ -33,22 +35,25 @@ const char *QTReader::fonts[] = { "Helvetica", "Courier", "Times", 0 }; //const tchar *QTReader::fonts[] = { "verdana", "Courier", "Times", 0 }; //const int QTReader::fontsizes[] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,0}; QTReader::QTReader( QWidget *parent=0, const char *name=0, WFlags f = 0) : QWidget(parent, name, f), m_delay(100), - m_scrolldy(0), + m_scrolldy1(0), + m_scrolldy2(0), m_autoScroll(false), - textarray(NULL), - locnarray(NULL), + //textarray(NULL), + //locnarray(NULL), numlines(0), m_fontname("unifont"), - m_fm(NULL) + m_fm(NULL), + mouseUpOn(true), + m_twotouch(true), + m_touchone(true) { m_overlap = 1; - fontsizes = NULL; // init(); } /* QTReader::QTReader( const QString& filename, QWidget *parent=0, const tchar *name=0, WFlags f = 0) : QWidget(parent, name, f), m_textfont(0), @@ -71,59 +76,169 @@ QTReader::QTReader( const QString& filename, QWidget *parent=0, const tchar *nam long QTReader::real_delay() { return ( 8976 + m_delay ) / ( m_linespacing * m_linespacing ); } -void QTReader::mouseReleaseEvent( QMouseEvent* _e ) -//void QTReader::mouseDoubleClickEvent( QMouseEvent* _e ) +void QTReader::mousePressEvent( QMouseEvent* _e ) { - if (textarray != NULL) + if (_e->button() == RightButton) { -// printf("(%u, %u)\n", _e->x(), _e->y()); - QString wrd = QString::null; - int lineno = _e->y()/m_linespacing; - if (m_bMonoSpaced) - { - int chno = _e->x()/m_charWidth; - if (chno < ustrlen(textarray[lineno]->data())) - { - wrd[0] = textarray[lineno]->data()[chno]; - } - } - else - { - CBuffer* t = textarray[lineno]; - int first = 0; - while (1) - { - int i = first+1; -// while ((*t)[i] != ' ' && (*t)[i] != 0) i++; - while (QChar((*t)[i]).isLetter() && (*t)[i] != 0) i++; - if (m_fm->width(toQString(t->data()), i) > _e->x()) + mouseUpOn = false; + if (_e->y() > height()/2) + { + goDown(); + } + else + { + goUp(); + } + } +} + +bool QTReader::getcurrentpos(int x, int y, size_t& start, size_t& offset, size_t& tgt) +{ + int lineno = 0; + int ht = textarray[0]->lineSpacing(); + while ((ht < y) && (lineno < numlines)) { - wrd = toQString(t->data()+first, i - first); - break; + ht += textarray[++lineno]->lineSpacing(); } -// while ((*t)[i] == ' ' && (*t)[i] != 0) i++; - while (!QChar((*t)[i]).isLetter() && (*t)[i] != 0) i++; - if ((*t)[i] == 0) break; - first = i; - } - } - if (!wrd.isEmpty()) - { - QClipboard* cb = QApplication::clipboard(); - cb->setText(wrd); - Global::statusMessage(wrd); - if (!m_targetapp.isEmpty() && !m_targetmsg.isEmpty()) - { - QCopEnvelope e(("QPE/Application/"+m_targetapp).utf8(), (m_targetmsg+"(QString)").utf8()); - e << wrd; - } - } + start = locnarray[lineno]; + if (m_bMonoSpaced) + { + offset = x/m_charWidth; + } + else + { + int i; + CDrawBuffer* t = textarray[lineno]; + for (i = t->length(); t->width(i) > x; i--); + offset = i; + } + return textarray[lineno]->isLink(offset, tgt); +} + +void QTReader::setTwoTouch(bool _b) +{ + setBackgroundColor( white ); + m_twotouch = m_touchone = _b; +} + +void QTReader::mouseReleaseEvent( QMouseEvent* _e ) +{ + if (_e->button() == LeftButton) + { + if (mouseUpOn) + { + if (textarray[0] != NULL) + { + QString wrd, line; +// int lineno = _e->y()/m_linespacing; + int lineno = 0; + int ht = textarray[0]->lineSpacing(); + while ((ht < _e->y()) && (lineno < numlines)) + { + ht += textarray[++lineno]->lineSpacing(); + } + size_t startpos, startoffset, tgt; + if (getcurrentpos(_e->x(), _e->y(), startpos, startoffset, tgt)) + { + if (buffdoc.hyperlink(tgt)) + { + fillbuffer(); + update(); + } + else + { + locate(pagelocate()); + } + return; + } + if (m_twotouch) + { + if (m_touchone) + { + m_touchone = false; + m_startpos = startpos; + m_startoffset = startoffset; + setBackgroundColor( lightGray ); + } + else + { + m_touchone = true; + setBackgroundColor( white ); + size_t endpos, endoffset; + endpos = startpos; + endoffset = startoffset; + size_t currentpos = locate(); + if (endpos >= m_startpos) + { + jumpto(m_startpos); + for (int i = 0; i < m_startoffset; i++) + { + getch(); + } + if (m_startpos == endpos) + { + for (int i = m_startoffset; i <= endoffset; i++) + { + wrd += QChar(getch()); + } + } + else + { + while (buffdoc.explocate() <= endpos) + { + wrd += QChar(getch()); + } + for (int i = 0; i < endoffset; i++) + { + wrd += QChar(getch()); + } + } + jumpto(currentpos); + } + } + } + else if (m_bMonoSpaced) + { + int chno = _e->x()/m_charWidth; + if (chno < ustrlen(textarray[lineno]->data())) + { + wrd[0] = textarray[lineno]->data()[chno]; + } + } + else + { + CDrawBuffer* t = textarray[lineno]; + int first = 0; + while (1) + { + int i = first+1; + while (QChar((*t)[i]).isLetter() && (*t)[i] != 0) i++; + if (t->width(i) > _e->x()) + { + wrd = toQString(t->data()+first, i - first); + break; + } + while (!QChar((*t)[i]).isLetter() && (*t)[i] != 0) i++; + if ((*t)[i] == 0) break; + first = i; + } + } + if (!wrd.isEmpty()) + { + emit OnWordSelected(wrd, locnarray[lineno], (m_twotouch) ? wrd : toQString(textarray[lineno]->data())); + } + } + } + else + { + mouseUpOn = true; + } } } void QTReader::focusInEvent(QFocusEvent* e) { if (m_autoScroll) timer->start(real_delay(), false); @@ -131,466 +246,396 @@ void QTReader::focusInEvent(QFocusEvent* e) } void QTReader::focusOutEvent(QFocusEvent* e) { if (m_autoScroll) { - timer->stop(); - m_scrolldy = 0; + timer->stop(); + m_scrolldy1 = m_scrolldy2 = 0; } } #include <qapplication.h> #include <qdrawutil.h> #include <unistd.h> void QTReader::goDown() { if (m_bpagemode) { - dopagedn(); + dopagedn(); } else { - lineDown(); + lineDown(); } } void QTReader::goUp() { if (m_bpagemode) { - dopageup(); + dopageup(); } else { - lineUp(); + lineUp(); } } void QTReader::keyPressEvent(QKeyEvent* e) { switch (e->key()) { case Key_Down: - { - e->accept(); - if (m_autoScroll) - { - if (m_delay < 59049) - { - m_delay = (3*m_delay)/2; - timer->changeInterval(real_delay()); - } - else - { - m_delay = 59049; - } - } - else - { - goDown(); - } - } + { + e->accept(); + if (m_autoScroll) + { + if (m_delay < 59049) + { + m_delay = (3*m_delay)/2; + timer->changeInterval(real_delay()); + } + else + { + m_delay = 59049; + } + } + else + { + goDown(); + } + } break; case Key_Up: - { - e->accept(); - if (m_autoScroll) - { - if (m_delay > 1024) - { - m_delay = (2*m_delay)/3; - timer->changeInterval(real_delay()); - } - else - { - m_delay = 1024; - } - } - else - { - goUp(); - } - } + { + e->accept(); + if (m_autoScroll) + { + if (m_delay > 1024) + { + m_delay = (2*m_delay)/3; + timer->changeInterval(real_delay()); + } + else + { + m_delay = 1024; + } + } + else + { + goUp(); + } + } break; /* case Key_Left: - { - e->accept(); - if (m_textfont > 0) - { - m_textfont--; - setfont(NULL); - locate(pagelocate()); - update(); - } - } + { + e->accept(); + if (m_textfont > 0) + { + m_textfont--; + setfont(NULL); + locate(pagelocate()); + update(); + } + } break; case Key_Right: - { - e->accept(); - if (fonts[++m_textfont] == 0) - { - m_textfont--; - } - else - { - setfont(NULL); - locate(pagelocate()); - update(); - } - } + { + e->accept(); + if (fonts[++m_textfont] == 0) + { + m_textfont--; + } + else + { + setfont(NULL); + locate(pagelocate()); + update(); + } + } break; */ case Key_Right: - { - e->accept(); - if (fontsizes[++m_textsize] == 0) - { - m_textsize--; - } - else - { - bool sc = m_autoScroll; - m_autoScroll = false; - setfont(NULL); - locate(pagelocate()); - update(); - m_autoScroll = sc; - if (m_autoScroll) autoscroll(); - } - } + { + e->accept(); + if (m_fontControl.increasesize()) + { + bool sc = m_autoScroll; + setfont(); + m_autoScroll = false; + locate(pagelocate()); + update(); + m_autoScroll = sc; + if (m_autoScroll) autoscroll(); + } + } break; case Key_Left: - { - e->accept(); - if (m_textsize > 0) - { - bool sc = m_autoScroll; - m_autoScroll = false; - m_textsize--; - setfont(NULL); - locate(pagelocate()); - update(); - m_autoScroll = sc; - if (m_autoScroll) autoscroll(); - } - } + { + e->accept(); + if (m_fontControl.decreasesize()) + { + bool sc = m_autoScroll; + m_autoScroll = false; + setfont(); + locate(pagelocate()); + update(); + m_autoScroll = sc; + if (m_autoScroll) autoscroll(); + } + } break; - case Key_Space: -// case Key_Enter: - case Key_Return: - { - e->accept(); - setautoscroll(!m_autoScroll); - ((QTReaderApp*)parent()->parent())->setScrollState(m_autoScroll); - } - break; - default: - e->ignore(); + case Key_Space: + case Key_Return: + { + e->accept(); + emit OnActionPressed(); + } + break; + default: + e->ignore(); } } void QTReader::setautoscroll(bool _sc) { if (_sc == m_autoScroll) return; if (m_autoScroll) { - m_autoScroll = false; - } + m_autoScroll = false; + QCopEnvelope( "QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Enable; + } else { - m_autoScroll = true; - autoscroll(); + m_autoScroll = true; + autoscroll(); + QCopEnvelope( "QPE/System", "setScreenSaverMode(int)" ) << QPEApplication::Disable; // light is even not dimmed } } -bool QTReader::getline(CBuffer *buff) +bool QTReader::getline(CDrawBuffer *buff) { if (m_bMonoSpaced) { - return buffdoc.getline(buff ,width(), m_charWidth); + return buffdoc.getline(buff ,width(), m_charWidth); } else { - return buffdoc.getline(buff, width()); + return buffdoc.getline(buff, width()); } } void QTReader::doscroll() { if (!m_autoScroll) { - timer->stop(); - return; + timer->stop(); + return; } // timer->changeInterval(real_delay()); QPainter p( this ); QBrush b( white); bitBlt(this,0,0,this,0,1,width(),-1); qDrawPlainRect(&p,0,height() - 2,width(),2,white,1,&b); - if (++m_scrolldy == m_linespacing) - { - setfont(&p); - m_scrolldy = 0; -// qDrawPlainRect(&p,0,height() - m_linespacing,width(),m_linespacing,white,1,&b); - pagepos = locnarray[1]; - CBuffer* buff = textarray[0]; - for (int i = 1; i < numlines; i++) - { - textarray[i-1] = textarray[i]; - locnarray[i-1] = locnarray[i]; - } - locnarray[numlines-1] = locate(); - if (getline(buff)) - { - textarray[numlines-1] = buff; - drawText( p, 0, height() - m_descent - 2, buff->data()); - mylastpos = locate(); - } - else - { -// (*buff)[0] = '\0'; - textarray[numlines-1] = buff; - m_autoScroll = false; - ((QTReaderApp*)parent()->parent())->setScrollState(m_autoScroll); - } - } -} - -void QTReader::drawText(QPainter& p, int x, int y, tchar* _text) -{ - QString text = toQString(_text); - if (m_bMonoSpaced) + if (++m_scrolldy1 == textarray[0]->lineSpacing()) { - for (int i = 0; i < text.length(); i++) - { - p.drawText( x+i*m_charWidth, y, QString(text[i]) ); - } + CDrawBuffer* buff = textarray[0]; + for (int i = 1; i <= numlines; i++) + { + textarray[i-1] = textarray[i]; + locnarray[i-1] = locnarray[i]; + } + textarray[numlines] = buff; + --numlines; + m_scrolldy1 = 0; } - else + if (++m_scrolldy2 == textarray[numlines]->lineSpacing()) { - p.drawText( x, y, text ); + m_scrolldy2 = 0; + numlines++; + + if (textarray[numlines] == NULL) + { + textarray[numlines] = new CDrawBuffer; + } + locnarray[numlines] = locate(); + int ch = getline(textarray[numlines]); + textarray[numlines-1]->render(&p, height() - textarray[numlines]->descent() - 2, m_bMonoSpaced, m_charWidth, width()); + mylastpos = locate(); + if (!ch) + { + m_autoScroll = false; + ((QTReaderApp*)parent()->parent())->setScrollState(m_autoScroll); + emit OnRedraw(); + } + emit OnRedraw(); } } void QTReader::autoscroll() { timer->start(real_delay(), false); } -void QTReader::setfont(QPainter* p) +void QTReader::setfont() { - // qDebug("Fontsize = %u",fontsizes[m_textsize]); - // qDebug("SetFont %x",p); - QFont font(m_fontname, fontsizes[m_textsize], (m_bBold) ? QFont::Bold : QFont::Normal ); - m_charWidth = (m_charpc*fontsizes[m_textsize])/100; +// m_fontControl.Change + m_charWidth = (m_charpc*m_fontControl.currentsize())/100; if (m_charWidth <= 0) m_charWidth = 1; -// font.setFixedPitch(m_bMonoSpaced); -// qDebug("Raw name = %s", (const char*)font.rawName()); - if (p != NULL) p->setFont( font ); - if (m_fm == NULL) - { - m_fm = new QFontMetrics(font); - buffdoc.setfm(m_fm); - } - else - { - *m_fm = QFontMetrics(font); - } - m_ascent = m_fm->ascent(); - m_descent = m_fm->descent(); - m_linespacing = m_fm->lineSpacing(); + m_ascent = m_fontControl.ascent(); + m_descent = m_fontControl.descent(); + m_linespacing = m_fontControl.lineSpacing(); } void QTReader::drawFonts( QPainter *p ) { - setfont(p); - if (m_lastwidth != width()) + setfont(); + if (m_lastwidth != width() || m_lastheight != height()) { m_lastwidth = width(); - locate(pagepos); + m_lastheight = height(); + locate(pagelocate()); } else { + +/* int sl = screenlines(); if (sl < numlines) { -// qDebug("df:<%u,%u>",sl,numlines); - - size_t newpos = locnarray[sl]; - CBuffer** nta = new CBuffer*[sl]; - size_t* nla = new size_t[sl]; - for (int i = 0; i < sl; i++) - { - nta[i] = textarray[i]; - nla[i] = locnarray[i]; - } - for (int i = sl; i < numlines; i++) delete textarray[i]; - delete [] textarray; - delete [] locnarray; - textarray = nta; - locnarray = nla; - numlines = sl; - jumpto(mylastpos = newpos); -// locate(pagepos); +// qDebug("df:<%u,%u>",sl,numlines); + + size_t newpos = locnarray[sl]; + CDrawBuffer** nta = new CDrawBuffer*[sl]; + size_t* nla = new size_t[sl]; + for (int i = 0; i < sl; i++) + { + nta[i] = textarray[i]; + nla[i] = locnarray[i]; + } + for (int i = sl; i < numlines; i++) delete textarray[i]; + delete [] locnarray; + delete [] textarray; + textarray = nta; + locnarray = nla; + numlines = sl; + jumpto(mylastpos = newpos); } if (sl > numlines) { -// qDebug("df:<%u,%u>",sl,numlines); - CBuffer** nta = new CBuffer*[sl]; - size_t* nla = new size_t[sl]; - for (int i = 0; i < numlines; i++) - { - nta[i] = textarray[i]; - nla[i] = locnarray[i]; - } - if (locate() != mylastpos) jumpto(mylastpos); - for (int i = numlines; i < sl; i++) - { - nta[i] = new CBuffer; - nla[i] = locate(); - getline(nta[i]); - } - mylastpos = locate(); - delete [] textarray; - delete [] locnarray; - textarray = nta; - locnarray = nla; - numlines = sl; +// qDebug("df:<%u,%u>",sl,numlines); + CDrawBuffer** nta = new CDrawBuffer*[sl]; + size_t* nla = new size_t[sl]; + for (int i = 0; i < numlines; i++) + { + nta[i] = textarray[i]; + nla[i] = locnarray[i]; + } + if (locate() != mylastpos) jumpto(mylastpos); + for (int i = numlines; i < sl; i++) + { + nta[i] = new CDrawBuffer(&m_fontControl); + nla[i] = locate(); + getline(nta[i]); + } + mylastpos = locate(); + delete [] locnarray; + delete [] textarray; + textarray = nta; + locnarray = nla; + numlines = sl; } - int ypos = (btight) ? 0 : m_ascent-m_linespacing; - // int linespacing = (tight) ? m_ascent : m_ascent+m_descent; - for (int i = 0; i < numlines; i++) +*/ + if (numlines > 0) + { + int ypos = textarray[0]->ascent(); + textarray[0]->render( p, ypos, m_bMonoSpaced, m_charWidth, width()); + for (int i = 1; i < numlines; i++) { - drawText( *p, 0, ypos += m_linespacing, textarray[i]->data()); + ypos += (textarray[i-1]->lineSpacing() + textarray[i]->lineSpacing())/2; + textarray[i]->render( p, ypos, m_bMonoSpaced, m_charWidth, width()); + + } +// mylastpos = locate(); } - /* - - - - int nlines = height()/(fontmetric.ascent()+fontmetric.descent()); - tchar buffer[1024]; - for (int i = 0; i < nlines; i++) - { - y += fontmetric.ascent(); - sprintf(buffer, "%d:%d:%s[%d]:Lines %d:%s", i+1, m_textfont, fonts[m_textfont], m_fs, nlines, (const tchar*)m_string); - drawText( *p, 0, y, buffer ); - y += fontmetric.descent(); - } - */ } - m_scrolldy = 0; + m_scrolldy1 = m_scrolldy2 = 0; + emit OnRedraw(); } QString QTReader::firstword() { if (m_bMonoSpaced) { - return toQString(textarray[0]->data()); + return toQString(textarray[0]->data()); } else { - int start, end, len, j; - for (j = 0; j < numlines; j++) - { - len = textarray[j]->length(); - for (start = 0; start < len && !isalpha((*textarray[j])[start]); start++); - if (start < len) break; - } - if (j < numlines) - { - QString ret = ""; - for (end = start; end < len && isalpha((*textarray[j])[end]); end++) - ret += (*textarray[j])[end]; - if (ret.isEmpty()) ret = "Current position"; - return ret; - } - else - return "Current position"; + int start, end, len, j; + for (j = 0; j < numlines; j++) + { + len = textarray[j]->length(); + for (start = 0; start < len && !isalpha((*textarray[j])[start]); start++); + if (start < len) break; + } + if (j < numlines) + { + QString ret = ""; + for (end = start; end < len && isalpha((*textarray[j])[end]); end++) + ret += (*textarray[j])[end]; + if (ret.isEmpty()) ret = "Current position"; + return ret; + } + else + return "Current position"; } } // // Construct the QTReader with buttons. // -void QTReader::ChangeFont(int tgt) +bool QTReader::ChangeFont(int tgt) { - - QValueList<int>::Iterator it; - -// QValueList<int> sizes = QFontDatabase::pointSizes(m_fontname, (m_bBold) ? QFont::Bold : QFont::Normal); - QFontDatabase fdb; -/* - QStringList styles = fdb.styles(m_fontname); - for ( QStringList::Iterator it = styles.begin(); it != styles.end(); ++it ) - { - printf( "%s \n", (*it).latin1() ); - } -*/ - QValueList<int> sizes = fdb.pointSizes(m_fontname, (m_bBold) ? QString("Bold") : QString::null); - uint n = sizes.count(); - if (fontsizes != NULL) delete [] fontsizes; - fontsizes = new unsigned int[n+1]; - uint i = 0; - uint best = 0; - for (it = sizes.begin(); it != sizes.end(); it++) - { - fontsizes[i] = (*it)/10; - if (abs(tgt-fontsizes[i]) < abs(tgt-fontsizes[best])) - { - best = i; - } - i++; - } - m_textsize = best; - fontsizes[i] = 0; - setfont(NULL); - QFont font(m_fontname, fontsizes[m_textsize], (m_bBold) ? QFont::Bold : QFont::Normal ); - if (m_fm == NULL) - { - m_fm = new QFontMetrics(font); - buffdoc.setfm(m_fm); - } + return m_fontControl.ChangeFont(m_fontname, tgt); } void QTReader::init() { // setCaption( "Qt Draw Demo Application" ); setBackgroundColor( white ); // QPainter p(this); // p.setBackgroundMode( Qt::OpaqueMode ); buffdoc.setfilter(getfilter()); ChangeFont(m_textsize); - // setFocusPolicy(QWidget::StrongFocus); + setFocusPolicy(QWidget::StrongFocus); // resize( 240, 320 ); //setFocus(); timer = new QTimer(this); connect(timer, SIGNAL(timeout()), this, SLOT(doscroll())); // QMessageBox::information(this, "init", m_lastfile, 1); m_lastwidth = width(); + m_lastheight = height(); + setfont(); if (!m_lastfile.isEmpty()) { - m_string = DocLnk(m_lastfile).name(); - load_file(m_lastfile); + m_string = DocLnk(m_lastfile).name(); + load_file(m_lastfile); } } // // Clean up // QTReader::~QTReader() { - if (fontsizes != NULL) delete [] fontsizes; -#ifndef QT_NO_PRINTER - // delete printer; -#endif } // // Calls the drawing function as specified by the radio buttons. // @@ -669,169 +714,162 @@ unsigned int QTReader::screenlines() { // int linespacing = (tight) ? m_ascent : m_ascent+m_descent; // return (height()-m_descent)/(m_linespacing); return (height()-2)/(m_linespacing); }; -bool QTReader::fillbuffer() { - if (buffdoc.empty()) return false; - //printf("Fillbuffer\n"); - m_scrolldy = 0; - int ch; - bool ret = false; - int delta = screenlines(); - // qDebug("fillbuffer:%u-%u",delta,numlines); - if (delta != numlines) - { - if (textarray != NULL) - { - for (int i = 0; i < numlines; i++) delete textarray[i]; - delete [] textarray; - delete [] locnarray; - } - numlines = delta; - textarray = new CBuffer*[numlines]; - locnarray = new size_t[numlines]; - for (int i = 0; i < numlines; i++) textarray[i] = new CBuffer; - } - // qDebug("fillbuffer:pagepos:%u",pagepos); - unsigned int oldpagepos = pagepos; -// if (textarray != NULL) -// pagepos = locnarray[0]; -// else - pagepos = locate(); - for (int i = 0; i < delta; i++) +bool QTReader::fillbuffer(int reuse, int ht) +{ + if (buffdoc.empty()) return false; + m_scrolldy1 = m_scrolldy2 = 0; + int ch; + bool ret = false; + unsigned int oldpagepos = locnarray[reuse]; + int ypos = ht; + numlines = reuse; + while (ypos < height()) { - locnarray[i] = locate(); - ch = getline(textarray[i]); - // if (ch == EOF) { - if (!ch) - { - if (i == 0) - { - locate(oldpagepos); - return false; - } - else - { - ret = true; - for (int j = i+1; j < delta; j++) - { - locnarray[j] = locnarray[j-1]; - (*(textarray[j]))[0] = '\0'; - } - break; - } - } - if (ch == '\012') ret = true; + if (textarray[numlines] == NULL) + { + textarray[numlines] = new CDrawBuffer(&m_fontControl); + } + locnarray[numlines] = locate(); + int ch = getline(textarray[numlines]); + ypos += textarray[numlines]->lineSpacing(); + numlines++; + if (!ch) + { + if (numlines - reuse == 1/* && locnarray[0] == buffdoc.locate()*/) + { + locate(oldpagepos); + return false; + } + else + { + --numlines; + mylastpos = locate(); + return true; + } + } } - mylastpos = locate(); - // qDebug("fillbuffer:lastpos:%u",mylastpos); - return true; + + --numlines; + mylastpos = locate(); + + return true; } void QTReader::dopagedn() { - if (m_overlap == 0) + int skip = 0, ypos = 0; + if (locate() != mylastpos) { - if (locate() != mylastpos) jumpto(mylastpos); +// qDebug("Jumping to %u", mylastpos); + jumpto(mylastpos); } - else + CDrawBuffer* reusebuffer = textarray[numlines]; + if (reusebuffer != NULL) { - if (m_overlap >= screenlines()) m_overlap = screenlines()/2; - jumpto(locnarray[screenlines()-m_overlap]); + for (int i = 0; i <= m_overlap; i++) + { + int offset = numlines - m_overlap + i; + reusebuffer = textarray[offset]; + size_t reuselocn = locnarray[offset]; + textarray[offset] = textarray[i]; + textarray[i] = reusebuffer; + locnarray[offset] = locnarray[i]; + locnarray[i] = reuselocn; + ypos += textarray[i]->lineSpacing(); + skip++; + } } - if (fillbuffer()) + if (fillbuffer(skip, ypos)) { - update(); + update(); } } void QTReader::dopageup() { - CBuffer** buff = textarray; - unsigned int *loc = new unsigned int[numlines]; - int cbptr = 0; - if (locate() != mylastpos) jumpto(mylastpos); - if (m_overlap >= screenlines()) m_overlap = screenlines()/2; - unsigned int target = locnarray[m_overlap]; - if (buffdoc.hasrandomaccess()) - { - unsigned int delta = locate()-pagelocate(); - if (delta < 64) delta = 64; - if (delta % 2 != 0) delta++; - if (target % 2 != 0) target++; - do + CBufferFace<CDrawBuffer*> buff; + CBufferFace<size_t> loc; + unsigned int target = locnarray[(m_overlap < numlines) ? m_overlap : numlines/2]; + + size_t delta; + if (target < 2048) { - delta <<= 1; - if (delta >= target) - { - delta = target; - jumpto(0); - for (int i = 0; i < numlines; i++) - { - loc[i] = locate(); - getline(buff[i]); - } - break; - } - jumpto(target-delta); - do - { - getline(buff[0]); -#ifdef WS - //printf("Trying:%s\n",buff[0]); -#endif - if (locate() > target) continue; - } - while (!buffdoc.iseol()); - for (int i = 0; i < numlines; i++) + delta = target; + jumpto(0); + } + else + { + delta = 2048; + + jumpto(target - delta); + + buff[0] = new CDrawBuffer(&m_fontControl); + + do { - loc[i] = locate(); - getline(buff[i]); -#ifdef WS - //printf("Filling:%s\n",buff[i]); -#endif + + if (!getline(buff[0])) break; + + if (locate() > target) continue; } + while (!buffdoc.iseol()); } - while (locate() >= target && delta < 4096); -#ifdef WS - //printf("Delta:%u\n",delta); -#endif - } - else - { - jumpto(0); - for (int i = 0; i < numlines; i++) + int nbfl = 0; + + bool ch = true; + int ypos = 0; + while (locate() < target) { - loc[i] = locate(); - getline(buff[i]); + if (buff[nbfl] == NULL) buff[nbfl] = new CDrawBuffer(&m_fontControl); + loc[nbfl] = locate(); + ch = getline(buff[nbfl]); + ypos += buff[nbfl]->lineSpacing(); + nbfl++; + if (!ch) break; } - } - cbptr = 0; - while (locate() < target) - { - loc[cbptr] = locate(); - getline(buff[cbptr]); -#ifdef WS - //printf("Adding:%s\n",buff[cbptr]->data()); -#endif - cbptr = (cbptr+1) % numlines; - } - pagepos = loc[cbptr]; - textarray = new CBuffer*[numlines]; - for (int i = 0; i < numlines; i++) - { - int j = (cbptr+i)%numlines; - textarray[i] = buff[j]; - locnarray[i] = loc[j]; - } - delete [] buff; - delete [] loc; + if (ypos < height()) + { + locate(0); + return; + } + if (ch) + { + if (buff[nbfl] == NULL) buff[nbfl] = new CDrawBuffer(&m_fontControl); + loc[nbfl] = locate(); + int ch = getline(buff[nbfl]); + nbfl++; + } + ypos = 0; + numlines = 0; + while (ypos < height() && numlines <= nbfl-2) + { + ypos += buff[nbfl - numlines - 2]->lineSpacing(); + numlines++; + } + --numlines; + int offset = nbfl; + offset -= numlines+1; + for (int i = 0; i <= numlines; i++) + { + delete textarray[i]; + textarray[i] = buff[offset+i]; + locnarray[i] = loc[offset + i]; + } + for (int i = 0; i < nbfl - numlines - 1; i++) + { + delete buff[i]; + } + +// --numlines; mylastpos = locate(); + update(); } bool QTReader::load_file(const char *newfile, unsigned int _lcn) { // QMessageBox::information(this, "Name", name, 1); @@ -849,36 +887,47 @@ bool QTReader::load_file(const char *newfile, unsigned int _lcn) { bRC = true; // qDebug("buffdoc.openfile done"); locate(lcn); // qDebug("buffdoc.locate done"); } + setfilter(getfilter()); update(); // qDebug("Updated"); return bRC; } void QTReader::lineDown() { - pagepos = locnarray[1]; - CBuffer* buff = textarray[0]; - for (int i = 1; i < numlines; i++) + int ypos = 0; + int offset = numlines; + + for (int i = 0; i <= numlines; i++) { - textarray[i-1] = textarray[i]; - locnarray[i-1] = locnarray[i]; + if ((ypos += textarray[numlines-i]->lineSpacing()) > height()) + { + offset = i-1; + break; + } } - locnarray[numlines-1] = locate(); - if (getline(buff)) + offset = numlines - offset; + for (int i = offset; i <= numlines; i++) { - textarray[numlines-1] = buff; - mylastpos = locate(); + CDrawBuffer* buff = textarray[i-offset]; + textarray[i-offset] = textarray[i]; + locnarray[i-offset] = locnarray[i]; + textarray[i] = buff; } - else + numlines = numlines - offset + 1; + locnarray[numlines] = locate(); + if (textarray[numlines] == NULL) { - textarray[numlines-1] = buff; + textarray[numlines] = new CDrawBuffer(&m_fontControl); } + getline(textarray[numlines]); + mylastpos = locate(); update(); } /* void QTReader::lineUp() { CBuffer** buff = textarray; @@ -888,57 +937,57 @@ void QTReader::lineUp() unsigned int target = locnarray[numlines-1]; if (buffdoc.hasrandomaccess()) { unsigned int delta = locate()-pagelocate(); if (delta < 64) delta = 64; do - { - delta <<= 1; - if (delta >= target) - { - delta = target; - jumpto(0); - for (int i = 0; i < numlines; i++) - { - loc[i] = locate(); - getline(buff[i]); - } - break; - } - jumpto(target-delta); - do - { - buffdoc.getline(buff[0],width()); + { + delta <<= 1; + if (delta >= target) + { + delta = target; + jumpto(0); + for (int i = 0; i < numlines; i++) + { + loc[i] = locate(); + getline(buff[i]); + } + break; + } + jumpto(target-delta); + do + { + buffdoc.getline(buff[0],width()); #ifdef WS - //printf("Trying:%s\n",buff[0]); + //printf("Trying:%s\n",buff[0]); #endif - if (locate() > target) continue; - } - while (!buffdoc.iseol()); - for (int i = 0; i < numlines; i++) - { - loc[i] = locate(); - buffdoc.getline(buff[i],width()); + if (locate() > target) continue; + } + while (!buffdoc.iseol()); + for (int i = 0; i < numlines; i++) + { + loc[i] = locate(); + buffdoc.getline(buff[i],width()); #ifdef WS - //printf("Filling:%s\n",buff[i]); + //printf("Filling:%s\n",buff[i]); #endif - } - } + } + } while (locate() >= target && delta < 4096); #ifdef WS //printf("Delta:%u\n",delta); #endif } else { jumpto(0); for (int i = 0; i < numlines; i++) - { - loc[i] = locate(); - buffdoc.getline(buff[i],width()); - } + { + loc[i] = locate(); + buffdoc.getline(buff[i],width()); + } } cbptr = 0; while (locate() < target) { loc[cbptr] = locate(); buffdoc.getline(buff[cbptr], width()); @@ -960,49 +1009,47 @@ void QTReader::lineUp() mylastpos = locate(); update(); } */ void QTReader::lineUp() { - CBuffer* buff = textarray[numlines-1]; + CDrawBuffer* buff = textarray[numlines]; unsigned int loc; - unsigned int end = locnarray[numlines-1]; + unsigned int end = locnarray[numlines]; int cbptr = 0; if (locate() != mylastpos) jumpto(mylastpos); unsigned int target = locnarray[0]; + if (target == 0) return; if (buffdoc.hasrandomaccess()) { unsigned int delta = locate()-pagelocate(); if (delta < 64) delta = 64; do - { - delta <<= 1; - if (delta >= target) - { - delta = target; - jumpto(0); - for (int i = 0; i < numlines; i++) - { - loc = locate(); - getline(buff); - } - break; - } - jumpto(target-delta); - do - { - getline(buff); + { + delta <<= 1; + if (delta >= target) + { + delta = target; + jumpto(0); + loc = locate(); + getline(buff); + break; + } + jumpto(target-delta); + do + { + getline(buff); #ifdef WS - //printf("Trying:%s\n",buff[0]); + //printf("Trying:%s\n",buff[0]); #endif - if (locate() > target) continue; - } - while (!buffdoc.iseol()); - loc = locate(); - getline(buff); - } + if (locate() > target) continue; + } + while (!buffdoc.iseol()); + loc = locate(); + getline(buff); + } while (locate() >= target && delta < 4096); } else { jumpto(0); loc = locate(); @@ -1011,25 +1058,52 @@ void QTReader::lineUp() cbptr = 0; while (locate() < target) { loc = locate(); getline(buff); } - pagepos = loc; - for (int i = numlines-1; i > 0; i--) + for (int i = numlines; i > 0; i--) { textarray[i] = textarray[i-1]; locnarray[i] = locnarray[i-1]; } textarray[0] = buff; locnarray[0] = loc; -// delete [] buff; -// delete [] loc; - mylastpos = locate(); - jumpto(end); + int start = numlines; + int ypos = 0; + for (int i = 0; i <= numlines; i++) + { + ypos += textarray[i]->lineSpacing(); + if (ypos > height()) + { + start = i; + ypos -= textarray[i]->lineSpacing(); + break; + } + } + jumpto(locnarray[start]); + fillbuffer(start, ypos); update(); } bool QTReader::empty() { return buffdoc.empty(); } + +MarkupType QTReader::PreferredMarkup() +{ + MarkupType m = buffdoc.PreferredMarkup(); + if (m == cTEXT) + { + int ext = m_lastfile.findRev('.'); + if (ext >= 0) + { + QString ft = m_lastfile.right(m_lastfile.length()-ext-1).upper(); + if (ft.left(3) == "HTM") + { + m = cHTML; + } + } + } + return m; +} |