141 lines
4.0 KiB
C++
141 lines
4.0 KiB
C++
/***************************************************************************
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* Copyright 2011 Viranch Mehta <viranch.mehta@gmail.com> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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#include "qmenu.h"
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#include <QApplication>
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#include <QDebug>
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#include <QDesktopWidget>
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#include <QGraphicsObject>
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#include <QGraphicsView>
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QMenuProxy::QMenuProxy (QObject *parent)
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: QObject(parent),
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m_status(DialogStatus::Closed)
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{
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m_menu = new QMenu(0);
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}
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QMenuProxy::~QMenuProxy()
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{
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delete m_menu;
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}
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QDeclarativeListProperty<QMenuItem> QMenuProxy::items()
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{
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return QDeclarativeListProperty<QMenuItem>(this, m_items);
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}
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int QMenuProxy::actionCount() const
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{
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return m_items.count();
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}
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QMenuItem *QMenuProxy::action(int index) const
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{
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return m_items.at(index);
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}
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DialogStatus::Status QMenuProxy::status() const
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{
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return m_status;
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}
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void QMenuProxy::showMenu(int x, int y)
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{
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m_menu->clear();
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foreach(QMenuItem* item, m_items) {
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m_menu->addAction (item);
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}
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QPoint screenPos = QApplication::activeWindow()->mapToGlobal(QPoint(x, y));
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m_menu->popup(screenPos);
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m_status = DialogStatus::Open;
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emit statusChanged();
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}
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void QMenuProxy::open()
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{
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m_menu->clear();
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foreach(QMenuItem* item, m_items) {
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m_menu->addAction (item);
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}
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m_menu->updateGeometry();
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QGraphicsObject *parentItem = qobject_cast<QGraphicsObject *>(parent());
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if (!parentItem || !parentItem->scene()) {
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showMenu(0, 0);
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return;
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}
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QList<QGraphicsView*> views = parentItem->scene()->views();
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if (views.size() < 1) {
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showMenu(0, 0);
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return;
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}
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QGraphicsView *view = 0;
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if (views.size() == 1) {
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view = views[0];
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} else {
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QGraphicsView *found = 0;
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QGraphicsView *possibleFind = 0;
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foreach (QGraphicsView *v, views) {
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if (v->sceneRect().intersects(parentItem->sceneBoundingRect()) ||
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v->sceneRect().contains(parentItem->scenePos())) {
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if (v->isActiveWindow()) {
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found = v;
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} else {
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possibleFind = v;
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}
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}
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}
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view = found ? found : possibleFind;
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}
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if (!view) {
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showMenu(0, 0);
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return;
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}
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const QRect avail = QApplication::desktop()->availableGeometry(view);
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QPoint menuPos = view->mapToGlobal(view->mapFromScene(parentItem->scenePos()+QPoint(0, parentItem->boundingRect().height())));
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if (menuPos.y() + m_menu->sizeHint().height() > avail.bottom()) {
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menuPos = view->mapToGlobal(view->mapFromScene(parentItem->scenePos() - QPoint(0, m_menu->sizeHint().height())));
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}
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m_menu->popup(menuPos);
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m_status = DialogStatus::Open;
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emit statusChanged();
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}
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void QMenuProxy::close()
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{
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m_menu->hide();
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m_status = DialogStatus::Closed;
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emit statusChanged();
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}
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#include "qmenu.moc"
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