/*!
\internal
*/
void QLineChangePanel::paint(QPainter *p, QEditor *e)
{
if ( !e || !e->document() )
return;
const QFontMetrics fm( e->document()->font() );
int n, posY,
// maxCount = 0,
as = fm.ascent(),
ls = fm.lineSpacing(),
pageBottom = e->viewport()->height(),
contentsY = e->verticalOffset();
QString txt;
QDocument *d = e->document();
n = d->lineNumber(contentsY);
posY = 2 + d->y(n) - contentsY;
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;
int span = line.lineSpan();
if ( d->isLineModified(line) )
{
p->fillRect(1, posY, 2, ls * span, Qt::yellow);
} else if ( d->hasLineEverBeenModified(line) ) {
p->fillRect(1, posY, 2, ls * span, Qt::green);
}
posY += ls * span;
}
}
/*!
\internal
*/
bool QLineChangePanel::paint(QPainter *p, QEditor *e)
{
if ( !e || !e->document() )
return true;
int n, posY,
as = QFontMetrics(e->document()->font()).ascent(),
ls = e->document()->getLineSpacing(),
pageBottom = e->viewport()->height(),
contentsY = e->verticalOffset();
QString txt;
QDocument *d = e->document();
n = d->lineNumber(contentsY);
posY = 2 + d->y(n) - contentsY;
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;
int span = line.lineSpan();
if ( d->isLineModified(line) )
{
p->fillRect(1, posY, 2, ls * span, QColor(255, 216, 0)); // yellow
} else if ( d->hasLineEverBeenModified(line) ) {
p->fillRect(1, posY, 2, ls * span, QColor(70, 191, 0)); // green
}
posY += ls * span;
}
return true;
}
/*!
*/
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;
}
}
/*!
*/
bool QLineNumberPanel::paint(QPainter *p, QEditor *e)
{
/*
possible Unicode caracter for wrapping arrow :
0x21B3
0x2937
*/
QFont f(font());
f.setWeight(QFont::Bold);
const QFontMetrics sfm(f);
#ifndef WIN32
static const QChar wrappingArrow(0x2937);
const QFontMetrics specialSfm(sfm);
#else
// 0xC4 gives a decent wrapping arrow in Wingdings fonts, availables on all windows systems
// this is a hackish fallback to workaround Windows issues with Unicode...
static const QChar wrappingArrow(0xC4);
QFont specialFont(font());
specialFont.setRawName("Wingdings");
const QFontMetrics specialSfm(specialFont);
#endif
const int max = e->document()->lines();
const int panelWidth = sfm.width(QString::number(max)) + 5;
setFixedWidth(panelWidth);
const QFontMetrics fm( e->document()->font() );
int n, posY,
as = fm.ascent(),
ls = fm.lineSpacing(),
pageBottom = e->viewport()->height(),
contentsY = e->verticalOffset();
QString txt;
QDocument *d = e->document();
const int cursorLine = e->cursor().lineNumber();
n = d->lineNumber(contentsY);
posY = as + 2 + d->y(n) - contentsY;
//qDebug("first = %i; last = %i", first, last);
//qDebug("beg pos : %i", posY);
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;
bool draw = true;
if ( !m_verbose )
{
draw = !((n + 1) % 10) || !n || line.marks().count();
}
txt = QString::number(n + 1);
if ( n == cursorLine )
{
draw = true;
p->save();
QFont f = p->font();
f.setWeight(QFont::Bold);
p->setFont(f);
}
if ( draw )
{
p->drawText(width() - 2 - sfm.width(txt),
posY,
txt);
} else {
int yOff = posY - (as + 1) + ls / 2;
if ( (n + 1) % 5 )
p->drawPoint(width() - 5, yOff);
else
p->drawLine(width() - 7, yOff, width() - 2, yOff);
}
if ( line.lineSpan() > 1 )
{
#ifdef Q_OS_WIN32
p->save();
specialFont.setBold(n == cursorLine); //todo: only get bold on the current wrapped line
p->setFont(specialFont);
#endif
for ( int i = 1; i < line.lineSpan(); ++i )
{
// draw line wrapping indicators
//p->drawText(width() - 2 - sfm.width(wrappingArrow), posY + i * ls, wrappingArrow);
p->drawText(width() - 1 - specialSfm.width(wrappingArrow), posY + i * ls, wrappingArrow);
}
#ifdef Q_OS_WIN32
p->restore();
#endif
}
if ( n == cursorLine )
{
p->restore();
}
posY += ls * line.lineSpan();
}
//p->setPen(Qt::DotLine);
//p->drawLine(width()-1, 0, width()-1, pageBottom);
//setFixedWidth(sfm.width(txt) + 5);
return true;
}
