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/* This file is part of the KDE project
* Copyright (C) 2011 Thorsten Zachmann <zachmann@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KoMarkerSelector.h"
#include "KoMarker.h"
#include "KoMarkerModel.h"
#include "KoMarkerItemDelegate.h"
#include "KoPathShape.h"
#include <QPainter>
#include <QPainterPath>
class KoMarkerSelector::Private
{
public:
Private(KoMarkerData::MarkerPosition position, QWidget *parent)
: model(new KoMarkerModel(QList<KoMarker*>(), position, parent))
{}
KoMarkerModel *model;
};
KoMarkerSelector::KoMarkerSelector(KoMarkerData::MarkerPosition position, QWidget *parent)
: QComboBox(parent)
, d(new Private(position, this))
{
setModel(d->model);
setItemDelegate(new KoMarkerItemDelegate(position, this));
}
KoMarkerSelector::~KoMarkerSelector()
{
delete d;
}
void KoMarkerSelector::paintEvent(QPaintEvent *pe)
{
QComboBox::paintEvent(pe);
QStyleOptionComboBox option;
option.initFrom(this);
option.frame = hasFrame();
QRect rect = style()->subControlRect(QStyle::CC_ComboBox, &option, QStyle::SC_ComboBoxEditField, this);
if (!option.frame) { // frameless combo boxes have smaller margins but styles do not take this into account
rect.adjust(-14, 0, 14, 1);
}
QPainter painter(this);
bool antialiasing = painter.testRenderHint(QPainter::Antialiasing);
if (!antialiasing) {
painter.setRenderHint(QPainter::Antialiasing, true);
}
KoPathShape pathShape;
pathShape.moveTo(QPointF(rect.left(), rect.center().y()));
pathShape.lineTo(QPointF(rect.right(), rect.center().y()));
KoMarker *marker = itemData(currentIndex(), Qt::DecorationRole).value<KoMarker*>();
if (marker != 0) {
pathShape.setMarker(marker, d->model->position());
}
// paint marker
QPen pen(option.palette.text(), 2);
QPainterPath path = pathShape.pathStroke(pen);
painter.fillPath(path, pen.brush());
if (!antialiasing) {
painter.setRenderHint(QPainter::Antialiasing, false);
}
}
void KoMarkerSelector::setMarker(KoMarker *marker)
{
int index = d->model->markerIndex(marker);
if (index >= 0) {
setCurrentIndex(index);
}
}
KoMarker *KoMarkerSelector::marker() const
{
return itemData(currentIndex(), Qt::DecorationRole).value<KoMarker*>();
}
void KoMarkerSelector::updateMarkers(const QList<KoMarker*> markers)
{
KoMarkerModel *model = new KoMarkerModel(markers,d->model->position(), this);
d->model = model;
// this deletes the old model
setModel(model);
}
QVariant KoMarkerSelector::itemData(int index, int role) const
{
return d->model->marker(index, role);
}
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