C++ (Cpp) QStyleOptionHeader::initFrom Examples

Example #1

File: playlistheaderview.cpp Project: ravloony/Miam-Player

/** Redefined. */
void PlaylistHeaderView::paintEvent(QPaintEvent *)
{
	QStylePainter p(this->viewport());

	QLinearGradient vLinearGradient(rect().topLeft(), QPoint(rect().left(), rect().top() + rect().height()));
	/// XXX
	QPalette palette = QApplication::palette();
	if (SettingsPrivate::instance()->isCustomColors()) {
		vLinearGradient.setColorAt(0, palette.base().color().lighter(110));
		vLinearGradient.setColorAt(1, palette.base().color());
	} else {
		vLinearGradient.setColorAt(0, palette.base().color());
		vLinearGradient.setColorAt(1, palette.window().color());
	}

	QStyleOptionHeader opt;
	opt.initFrom(this->viewport());
	p.fillRect(rect(), QBrush(vLinearGradient));
	p.setPen(opt.palette.windowText().color());
	QRect r;
	p.save();
	if (QGuiApplication::isLeftToRight()) {
		p.translate(-offset(), 0);
	} else {
		p.translate(offset(), 0);
	}
	for (int i = 0; i < count(); i++) {
		QRect r2(sectionPosition(i), viewport()->rect().y(), sectionSize(i), viewport()->rect().height());
		p.drawText(r2, Qt::AlignCenter, model()->headerData(i, Qt::Horizontal).toString());
		if (r2.contains(mapFromGlobal(QCursor::pos()))) {
			r = r2;
		}
	}
	p.restore();
	if (!r.isNull()) {
		p.save();
		p.setPen(palette.highlight().color());
		p.drawLine(r.x(), r.y() + r.height() / 4,
				   r.x(), r.y() + 3 * r.height() / 4);
		p.drawLine(r.x() + r.width() - 1, r.y() + r.height() / 4,
				   r.x() + r.width() - 1, r.y() + 3 * r.height() / 4);
		p.restore();
	}

	// Bottom frame
	p.setPen(QApplication::palette().mid().color());
	p.drawLine(rect().bottomLeft(),  QPoint(rect().left() + rect().width(), rect().top() + rect().height()));

	// Vertical frame
	if (QGuiApplication::isLeftToRight()) {
		p.drawLine(rect().topLeft(), QPoint(rect().left(), rect().top() + rect().height()));
	} else {
		p.drawLine(rect().topRight(), QPoint(rect().right(), rect().top() + rect().height()));
	}
}

Example #2

File: kexirecordmarker.cpp Project: abhishekmurthy/Calligra

void KexiRecordMarker::paintEvent(QPaintEvent *)
{
    QPainter p(this);
    QRect r(rect());

    int first = (r.top() + d->offset) / d->rowHeight;
    int last  = (r.bottom() + d->offset) / d->rowHeight;
    if (last > (d->rows - 1 + (d->showInsertRow ? 1 : 0)))
        last = d->rows - 1 + (d->showInsertRow ? 1 : 0);

    p.setBrush(palette().brush(backgroundRole()));
    p.save();
    for (int i = first; i <= last; i++) {
        int y = ((d->rowHeight * i) - d->offset);
        p.drawRect(r);
        QStyleOptionHeader optionHeader;
        optionHeader.initFrom(this);
        optionHeader.orientation = Qt::Vertical;
        optionHeader.state |= QStyle::State_Raised;
        if (isEnabled())
            optionHeader.state |= QStyle::State_Enabled;
        if (window()->isActiveWindow())
            optionHeader.state |= QStyle::State_Active;
        optionHeader.rect = QRect(0, y, width(), d->rowHeight);
        optionHeader.section = 0;
        // alter background for selected or highlighted row
        QColor alteredColor;
//! @todo Qt4: blend entire QBrush?
        if (d->currentRow == i) {
            alteredColor = KexiUtils::blendedColors(
                               palette().color(QPalette::Window), d->selectionBackgroundBrush.color(), 2, 1);
        }
        else if (d->highlightedRecord == i) {
            alteredColor = KexiUtils::blendedColors(
                               palette().color(QPalette::Window), d->selectionBackgroundBrush.color(), 4, 1);
            optionHeader.state |= QStyle::State_MouseOver;
        }

        if (alteredColor.isValid()) {
            optionHeader.palette.setBrush(QPalette::Button, d->selectionBackgroundBrush);
            optionHeader.palette.setColor(QPalette::Button, alteredColor);
            //set background color as well (e.g. for thinkeramik)
            optionHeader.palette.setBrush(QPalette::Window, d->selectionBackgroundBrush);
            optionHeader.palette.setColor(QPalette::Window, alteredColor);
        }
        style()->drawControl(
            QStyle::CE_Header,
            &optionHeader,
            &p,
            this);
    }
    p.restore();

    if (d->editRow != -1 && d->editRow >= first && d->editRow <= (last/*+1 for insert row*/)) {
        //show pen when editing
        int ofs = d->rowHeight / 4;
        int pos = ((d->rowHeight * (d->currentRow >= 0 ? d->currentRow : 0)) - d->offset) - ofs / 2 + 1;
        p.drawPixmap((d->rowHeight - KexiRecordMarker_static->pen.width()) / 2,
                    (d->rowHeight - KexiRecordMarker_static->pen.height()) / 2 + pos, KexiRecordMarker_static->pen);
    } else if (d->currentRow >= first && d->currentRow <= last
               && (!d->showInsertRow || (d->showInsertRow && d->currentRow < last))) { /*don't display marker for 'insert' row*/
        //show marker
        p.setBrush(palette().brush(foregroundRole()));
        p.setPen(QPen(Qt::NoPen));
        QPolygon points(3);
        int ofs = d->rowHeight / 4;
        int ofs2 = (width() - ofs) / 2;
        int pos = ((d->rowHeight * d->currentRow) - d->offset) - ofs / 2 + 2;
        points.putPoints(0, 3, ofs2, pos + ofs, ofs2 + ofs, pos + ofs*2,
                         ofs2, pos + ofs*3);
        p.drawPolygon(points);
    }
    if (d->showInsertRow && d->editRow < last
            && last == (d->rows - 1 + (d->showInsertRow ? 1 : 0))) {
        //show plus sign
        int pos = ((d->rowHeight * last) - d->offset) + (d->rowHeight - KexiRecordMarker_static->plus.height()) / 2;
        p.drawPixmap((width() - KexiRecordMarker_static->plus.width()) / 2, pos, KexiRecordMarker_static->plus);
    }
}