/*!
*/
void QFoldPanel::paint(QPainter *p, QEditor *e)
{
QDocument *doc = editor()->document();
QLanguageDefinition *def = e->languageDefinition();
if ( !def || !doc )
{
return;
}
m_rects.clear();
m_lines.clear();
bool bVisible = false; //,
// inCursorBlock = false;
QDocumentLine block;
const QFontMetrics fm(doc->font());
int n,
pos,
depth = 0,
max = doc->lines(),
h = fm.height(),
ls = fm.lineSpacing(),
pageBottom = e->viewport()->height(),
contentsY = e->verticalOffset();
pos = - contentsY;
//qDebug("beg pos : %i", pos);
for ( n = 0; n < max; ++n )
{
if ( pos > pageBottom )
break;
block = doc->line(n);
if ( block.isHidden() )
{
continue;
}
int len = ls * block.lineSpan();
int flags = def->blockFlags(doc, n, depth);
short open = QCE_FOLD_OPEN_COUNT(flags);
short close = QCE_FOLD_CLOSE_COUNT(flags);
bVisible = ((pos + len) >= 0);
int oldDepth = depth;
depth -= close;
if ( depth < 0 )
depth = 0;
depth += open;
if ( open )
{
if ( flags & QLanguageDefinition::Collapsed )
{
int bound = (ls - 8) / 2;
int mid = pos + len - ls / 6;
// outermost block folded : none of the opening is actually opened
depth -= open;
if ( bVisible )
{
// draw icon
if ( bound > 0 && oldDepth > 0 )
{
p->drawLine(7, pos, 7, pos + bound);
}
if ( close )
{
p->drawLine(7, pos + 8 + bound, 7, mid);
p->drawLine(7, mid, 12, mid);
}
m_lines << n;
m_rects << drawIcon(p, e, 3, pos + bound, true);
}
int sub = open;
//qDebug("%i : +%i", n, open);
while ( sub > 0 && ((n + 1) < max) )
{
++n;
block = doc->line(n);
if ( !block.isHidden() )
{
if ( bVisible )
p->drawLine(7, pos + 8 + bound, 7, pos + len);
--n;
break;
}
int sflags = def->blockFlags(doc, n, depth + 1);
short sopen = QCE_FOLD_OPEN_COUNT(sflags);
short sclose = QCE_FOLD_CLOSE_COUNT(sflags);
sub -= sclose;
if ( sub <= 0 )
break;
sub += sopen;
}
depth += sub;
if ( bVisible && depth > 0 )
{
if ( close )
p->drawLine(7, mid, 7, pos + len);
else
p->drawLine(7, pos + 8 + bound, 7, pos + len);
}
} else {
if ( bVisible )
{
int bound = (ls - 8) / 2;
if ( oldDepth > 0 && bound > 0 )
p->drawLine(7, pos, 7, pos + bound);
m_lines << n;
m_rects << drawIcon(p, e, 3, pos + bound, false);
int mid = pos + len - ls / 6;
if ( close )
p->drawLine(7, mid, 12, mid);
if ( bound > 0 )
p->drawLine(7, pos + 8 + bound, 7, pos + len);
}
}
} else if ( (oldDepth > 0) && bVisible ) {
if ( close )
{
int mid = pos + len - ls / 6;
p->drawLine(7, pos, 7, mid);
p->drawLine(7, mid, 12, mid);
if ( depth > 0 )
p->drawLine(7, pos, 7, pos + len);
} else {
p->drawLine(7, pos, 7, pos + len);
}
}
pos += len;
}
}
/*!
\internal
*/
void QLineMarkPanel::paint(QPainter *p, QEditor *e)
{
if ( !e || !e->document() )
return;
m_rects.clear();
m_lines.clear();
QDocument *d = e->document();
int maxMarksPerLine = d->maxMarksPerLine();
setFixedWidth(maxMarksPerLine ? maxMarksPerLine * 16 + 2 : 18);
const QFontMetrics fm( d->font() );
int n, posY,
maxCount = 0,
as = fm.ascent(),
ls = fm.lineSpacing(),
pageBottom = e->viewport()->height(),
contentsY = e->verticalOffset();
QString txt;
const QFontMetrics sfm(fontMetrics());
QLineMarksInfoCenter *mic = QLineMarksInfoCenter::instance();
n = d->lineNumber(contentsY);
posY = 2 + d->y(n) - contentsY;
//qDebug("first = %i; last = %i", first, last);
//qDebug("beg pos : %i", posY);
//qDebug("<session>");
for ( ; ; ++n )
{
//qDebug("n = %i; pos = %i", n, posY);
QDocumentLine line = d->line(n);
if ( line.isNull() || ((posY - as) > pageBottom) )
break;
if ( line.isHidden() )
continue;
m_lines << n;
m_rects << QRect(0, posY, width(), ls);
if ( maxMarksPerLine )
{
int count = 1;
QList<int> lm = line.marks();
foreach ( int id, lm )
{
QPixmap pix = mic->markType(id).icon;
if ( pix.isNull() )
continue;
int h = qMin(pix.height(), ls),
w = qMin(pix.width(), 16),
x = count,
y = posY + ( (ls - h) >> 1 );
p->drawPixmap(x, y, w, h, pix);
count += 16;
}
}
posY += ls * line.lineSpan();
}
