* Copyright (C) 2014 by David Edmundson <kde@davidedmundson.co.uk> *
* Copyright (C) 2014 by Eike Hein <hein@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "submenu.h"
#include <cmath>
#include <QScreen>
#include <KWindowSystem>
SubMenu::SubMenu(QQuickItem *parent) : PlasmaQuick::Dialog(parent)
, m_offset(0)
, m_facingLeft(false)
{
KWindowSystem::setType(winId(), NET::Menu);
}
SubMenu::~SubMenu()
{
}
int SubMenu::offset() const
{
return m_offset;
}
void SubMenu::setOffset(int offset)
{
if (m_offset != offset) {
m_offset = offset;
emit offsetChanged();
}
}
QPoint SubMenu::popupPosition(QQuickItem* item, const QSize& size)
{
if (!item || !item->window()) {
return QPoint(0, 0);
}
QPointF pos = item->mapToScene(QPointF(0, 0));
pos = item->window()->mapToGlobal(pos.toPoint());
pos.setX(pos.x() + m_offset + item->width());
QRect avail = availableScreenRectForItem(item);
if (pos.x() + size.width() > avail.right()) {
pos.setX(pos.x() - m_offset - item->width() - size.width());
m_facingLeft = true;
emit facingLeftChanged();
}
pos.setY(pos.y() - margins()->property("top").toInt());
if (pos.y() + size.height() > avail.bottom()) {
int overshoot = std::ceil(((avail.bottom() - (pos.y() + size.height())) * -1) / item->height()) * item->height();
pos.setY(pos.y() - overshoot);
}
return pos.toPoint();
}
QRect SubMenu::availableScreenRectForItem(QQuickItem *item) const
{
QScreen *screen = QGuiApplication::primaryScreen();
const QPoint globalPosition = item->window()->mapToGlobal(item->position().toPoint());
foreach(QScreen *s, QGuiApplication::screens()) {
if (s->geometry().contains(globalPosition)) {
screen = s;
}
}
return screen->availableGeometry();
}
