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87 lines
1.9 KiB
87 lines
1.9 KiB
/* |
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SPDX-FileCopyrightText: 2014 David Edmundson <kde@davidedmundson.co.uk> |
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SPDX-FileCopyrightText: 2014 Eike Hein <hein@kde.org> |
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SPDX-License-Identifier: GPL-2.0-or-later |
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*/ |
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#include "submenu.h" |
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#include <cmath> |
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#include <QScreen> |
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#include <KWindowSystem> |
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SubMenu::SubMenu(QQuickItem *parent) |
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: PlasmaQuick::Dialog(parent) |
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, m_offset(0) |
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, m_facingLeft(false) |
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{ |
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setType(PopupMenu); |
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} |
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SubMenu::~SubMenu() |
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{ |
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} |
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int SubMenu::offset() const |
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{ |
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return m_offset; |
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} |
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void SubMenu::setOffset(int offset) |
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{ |
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if (m_offset != offset) { |
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m_offset = offset; |
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Q_EMIT offsetChanged(); |
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} |
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} |
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QPoint SubMenu::popupPosition(QQuickItem *item, const QSize &size) |
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{ |
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if (!item || !item->window()) { |
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return QPoint(0, 0); |
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} |
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QPointF pos = item->mapToScene(QPointF(0, 0)); |
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pos = item->window()->mapToGlobal(pos.toPoint()); |
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pos.setX(pos.x() + m_offset + item->width()); |
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QRect avail = availableScreenRectForItem(item); |
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if (pos.x() + size.width() > avail.right()) { |
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pos.setX(pos.x() - m_offset - item->width() - size.width()); |
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m_facingLeft = true; |
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Q_EMIT facingLeftChanged(); |
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} |
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pos.setY(pos.y() - margins()->property("top").toInt()); |
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if (pos.y() + size.height() > avail.bottom()) { |
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int overshoot = std::ceil(((avail.bottom() - (pos.y() + size.height())) * -1) / item->height()) * item->height(); |
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pos.setY(pos.y() - overshoot); |
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} |
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return pos.toPoint(); |
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} |
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QRect SubMenu::availableScreenRectForItem(QQuickItem *item) const |
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{ |
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QScreen *screen = QGuiApplication::primaryScreen(); |
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const QPoint globalPosition = item->window()->mapToGlobal(item->position().toPoint()); |
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const QList<QScreen *> screens = QGuiApplication::screens(); |
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for (QScreen *s : screens) { |
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if (s->geometry().contains(globalPosition)) { |
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screen = s; |
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} |
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} |
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return screen->availableGeometry(); |
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}
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