/*!
Draw a text document into a rectangle
\param painter Painter
\param rect Traget rectangle
\param flags Alignments/Text flags, see QPainter::drawText()
\param text Text document
*/
void QwtPainter::drawSimpleRichText( QPainter *painter, const QRectF &rect,
int flags, const QTextDocument &text )
{
QTextDocument *txt = text.clone();
painter->save();
painter->setFont( txt->defaultFont() );
qwtUnscaleFont( painter );
txt->setDefaultFont( painter->font() );
txt->setPageSize( QSizeF( rect.width(), QWIDGETSIZE_MAX ) );
QAbstractTextDocumentLayout* layout = txt->documentLayout();
const double height = layout->documentSize().height();
double y = rect.y();
if ( flags & Qt::AlignBottom )
y += ( rect.height() - height );
else if ( flags & Qt::AlignVCenter )
y += ( rect.height() - height ) / 2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor( QPalette::Text, painter->pen().color() );
painter->translate( rect.x(), y );
layout->draw( painter, context );
painter->restore();
delete txt;
}
void QwtPainter::drawSimpleRichText(QPainter *painter, const QRect &rect,
int flags, QTextDocument &text)
{
const QRect scaledRect = d_metricsMap.layoutToDevice(rect, painter);
text.setPageSize(QSize(scaledRect.width(), QWIDGETSIZE_MAX));
QAbstractTextDocumentLayout* layout = text.documentLayout();
const int height = qRound(layout->documentSize().height());
int y = scaledRect.y();
if (flags & Qt::AlignBottom)
y += (scaledRect.height() - height);
else if (flags & Qt::AlignVCenter)
y += (scaledRect.height() - height)/2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor(QPalette::Text, painter->pen().color());
painter->save();
painter->translate(scaledRect.x(), y);
layout->draw(painter, context);
painter->restore();
}
void PsiTipLabel::paintEvent(QPaintEvent *)
{
QStylePainter p(this);
QStyleOptionFrame opt;
opt.init(this);
p.drawPrimitive(QStyle::PE_PanelTipLabel, opt);
p.end();
// stolen from QLabel::paintEvent
QPainter painter(this);
drawFrame(&painter);
QRect cr = contentsRect();
cr.adjust(margin, margin, -margin, -margin);
PsiRichText::ensureTextLayouted(doc, width() - 2*margin);
QAbstractTextDocumentLayout *layout = doc->documentLayout();
// QRect lr = rect();
QRect lr = cr;
QAbstractTextDocumentLayout::PaintContext context;
// Adjust the palette
context.palette = palette();
if (foregroundRole() != QPalette::Text && isEnabled())
context.palette.setColor(QPalette::Text, context.palette.color(foregroundRole()));
painter.save();
painter.translate(lr.x() + 1, lr.y() + 1);
painter.setClipRect(lr.translated(-lr.x() - 1, -lr.y() - 1));
layout->draw(&painter, context);
painter.restore();
}
/*!
Draw a text document into a rectangle
\param painter Painter
\param rect Traget rectangle
\param flags Alignments/Text flags, see QPainter::drawText()
\param text Text document
*/
void QwtPainter::drawSimpleRichText( QPainter *painter, const QRectF &rect,
int flags, const QTextDocument &text )
{
QTextDocument *txt = text.clone();
painter->save();
QRectF unscaledRect = rect;
if ( painter->font().pixelSize() < 0 )
{
const QSize res = qwtScreenResolution();
const QPaintDevice *pd = painter->device();
if ( pd->logicalDpiX() != res.width() ||
pd->logicalDpiY() != res.height() )
{
QTransform transform;
transform.scale( res.width() / double( pd->logicalDpiX() ),
res.height() / double( pd->logicalDpiY() ));
painter->setWorldTransform( transform, true );
unscaledRect = transform.inverted().mapRect(rect);
}
}
txt->setDefaultFont( painter->font() );
txt->setPageSize( QSizeF( unscaledRect.width(), QWIDGETSIZE_MAX ) );
QAbstractTextDocumentLayout* layout = txt->documentLayout();
const double height = layout->documentSize().height();
double y = unscaledRect.y();
if ( flags & Qt::AlignBottom )
y += ( unscaledRect.height() - height );
else if ( flags & Qt::AlignVCenter )
y += ( unscaledRect.height() - height ) / 2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor( QPalette::Text, painter->pen().color() );
painter->translate( unscaledRect.x(), y );
layout->draw( painter, context );
painter->restore();
delete txt;
}
void
PlaylistLargeItemDelegate::drawRichText( QPainter* painter, const QRect& rect, int flags, QTextDocument& text ) const
{
text.setPageSize( QSize( rect.width(), QWIDGETSIZE_MAX ) );
QAbstractTextDocumentLayout* layout = text.documentLayout();
const int height = qRound( layout->documentSize().height() );
int y = rect.y();
if ( flags & Qt::AlignBottom )
y += ( rect.height() - height );
else if ( flags & Qt::AlignVCenter )
y += ( rect.height() - height ) / 2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor( QPalette::Text, painter->pen().color() );
painter->save();
painter->translate( rect.x(), y );
layout->draw( painter, context );
painter->restore();
}
/*!\reimp
*/
void QLabel::paintEvent(QPaintEvent *)
{
Q_D(QLabel);
QStyle *style = QWidget::style();
QPainter painter(this);
drawFrame(&painter);
QRect cr = contentsRect();
cr.adjust(d->margin, d->margin, -d->margin, -d->margin);
int align = QStyle::visualAlignment(layoutDirection(), QFlag(d->align));
#ifndef QT_NO_MOVIE
if (d->movie) {
if (d->scaledcontents)
style->drawItemPixmap(&painter, cr, align, d->movie->currentPixmap().scaled(cr.size()));
else
style->drawItemPixmap(&painter, cr, align, d->movie->currentPixmap());
}
else
#endif
if (d->isTextLabel) {
QRectF lr = d->layoutRect();
if (d->control) {
#ifndef QT_NO_SHORTCUT
const bool underline = (bool)style->styleHint(QStyle::SH_UnderlineShortcut, 0, this, 0);
if (d->shortcutId != 0
&& underline != d->shortcutCursor.charFormat().fontUnderline()) {
QTextCharFormat fmt;
fmt.setFontUnderline(underline);
d->shortcutCursor.mergeCharFormat(fmt);
}
#endif
d->ensureTextLayouted();
QAbstractTextDocumentLayout::PaintContext context;
QStyleOption opt(0);
opt.init(this);
if (!isEnabled() && style->styleHint(QStyle::SH_EtchDisabledText, &opt, this)) {
context.palette = palette();
context.palette.setColor(QPalette::Text, context.palette.light().color());
painter.save();
painter.translate(lr.x() + 1, lr.y() + 1);
painter.setClipRect(lr.translated(-lr.x() - 1, -lr.y() - 1));
QAbstractTextDocumentLayout *layout = d->control->document()->documentLayout();
layout->draw(&painter, context);
painter.restore();
}
// Adjust the palette
context.palette = palette();
if (foregroundRole() != QPalette::Text && isEnabled())
context.palette.setColor(QPalette::Text, context.palette.color(foregroundRole()));
painter.save();
painter.translate(lr.topLeft());
painter.setClipRect(lr.translated(-lr.x(), -lr.y()));
d->control->setPalette(context.palette);
d->control->drawContents(&painter, QRectF(), this);
painter.restore();
} else {
int flags = align;
if (d->hasShortcut) {
flags |= Qt::TextShowMnemonic;
QStyleOption opt;
opt.initFrom(this);
if (!style->styleHint(QStyle::SH_UnderlineShortcut, &opt, this))
flags |= Qt::TextHideMnemonic;
}
style->drawItemText(&painter, lr.toRect(), flags, palette(), isEnabled(), d->text, foregroundRole());
}
} else
#ifndef QT_NO_PICTURE
if (d->picture) {
QRect br = d->picture->boundingRect();
int rw = br.width();
int rh = br.height();
if (d->scaledcontents) {
painter.save();
painter.translate(cr.x(), cr.y());
painter.scale((double)cr.width()/rw, (double)cr.height()/rh);
painter.drawPicture(-br.x(), -br.y(), *d->picture);
painter.restore();
} else {
int xo = 0;
int yo = 0;
if (align & Qt::AlignVCenter)
yo = (cr.height()-rh)/2;
else if (align & Qt::AlignBottom)
yo = cr.height()-rh;
if (align & Qt::AlignRight)
xo = cr.width()-rw;
else if (align & Qt::AlignHCenter)
xo = (cr.width()-rw)/2;
painter.drawPicture(cr.x()+xo-br.x(), cr.y()+yo-br.y(), *d->picture);
}
} else
#endif
if (d->pixmap && !d->pixmap->isNull()) {
QPixmap pix;
if (d->scaledcontents) {
if (!d->scaledpixmap || d->scaledpixmap->size() != cr.size()) {
if (!d->cachedimage)
d->cachedimage = new QImage(d->pixmap->toImage());
delete d->scaledpixmap;
d->scaledpixmap = new QPixmap(QPixmap::fromImage(d->cachedimage->scaled(cr.size(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation)));
}
pix = *d->scaledpixmap;
} else
pix = *d->pixmap;
QStyleOption opt;
opt.initFrom(this);
if (!isEnabled())
pix = style->generatedIconPixmap(QIcon::Disabled, pix, &opt);
style->drawItemPixmap(&painter, cr, align, pix);
}
}
