File indexing completed on 2024-05-26 05:38:26

 /*
     SPDX-FileCopyrightText: 2014 David Edmundson <kde@davidedmundson.co.uk>
     SPDX-FileCopyrightText: 2014 Eike Hein <hein@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "submenu.h"
 
 #include <cmath>
 
 #include <QScreen>
 
 #include <KWindowSystem>
 
 SubMenu::SubMenu(QQuickItem *parent)
     : PlasmaQuick::Dialog(parent)
     , m_offset(0)
     , m_facingLeft(false)
 {
     setType(AppletPopup);
 }
 
 SubMenu::~SubMenu()
 {
 }
 
 int SubMenu::offset() const
 {
     return m_offset;
 }
 
 void SubMenu::setOffset(int offset)
 {
     if (m_offset != offset) {
         m_offset = offset;
 
         Q_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;
         Q_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());
 
     const QList<QScreen *> screens = QGuiApplication::screens();
     for (QScreen *s : screens) {
         if (s->geometry().contains(globalPosition)) {
             screen = s;
         }
     }
 
     return screen->availableGeometry();
 }