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authorJ-P Nurmi <jpnurmi@digia.com>2013-04-12 17:05:22 +0200
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-04-15 10:35:46 +0200
commit2b309cf52dfff7307a055b2662e7ce1a53d44bdb (patch)
tree9c539d9e93dbd41718cbc15d2f80d504fdece094 /src/controls/qquickmenupopupwindow.cpp
parent88e867cbeedd9063a08b9c401a8e56d0fb43d17b (diff)
Rename QtMenuXxx to QQuickMenuXxx
Change-Id: I89aa205686f0bdf2b267ad17a8ae0470c2f4751f Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Diffstat (limited to 'src/controls/qquickmenupopupwindow.cpp')
-rw-r--r--src/controls/qquickmenupopupwindow.cpp230
1 files changed, 230 insertions, 0 deletions
diff --git a/src/controls/qquickmenupopupwindow.cpp b/src/controls/qquickmenupopupwindow.cpp
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index 000000000..a8f2a153c
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+++ b/src/controls/qquickmenupopupwindow.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Quick Controls module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qquickmenupopupwindow_p.h"
+
+#include <qguiapplication.h>
+#include <qquickitem.h>
+#include <QtGui/QScreen>
+
+QT_BEGIN_NAMESPACE
+
+QQuickMenuPopupWindow::QQuickMenuPopupWindow(QWindow *parent) :
+ QQuickWindow(parent), m_mouseMoved(false), m_itemAt(0),
+ m_parentItem(0), m_menuContentItem(0)
+{
+ setFlags(Qt::Popup);
+ setModality(Qt::WindowModal);
+}
+
+void QQuickMenuPopupWindow::show()
+{
+ qreal posx = x();
+ qreal posy = y();
+ if (QQuickWindow *parentWindow = qobject_cast<QQuickWindow *>(transientParent())) {
+ if (m_parentItem) {
+ QPointF pos = m_parentItem->mapToItem(parentWindow->contentItem(), QPointF(posx, posy));
+ posx = pos.x();
+ posy = pos.y();
+ }
+
+ posx += parentWindow->geometry().left();
+ posy += parentWindow->geometry().top();
+ }
+
+ if (m_itemAt) {
+ QPointF pos = m_itemAt->position();
+ posx -= pos.x();
+ posy -= pos.y();
+ }
+
+ if (m_menuContentItem) {
+ qreal initialWidth = qMax(qreal(1), m_menuContentItem->width());
+ qreal initialHeight = qMax(qreal(1), m_menuContentItem->height());
+ setGeometry(posx, posy, initialWidth, initialHeight);
+ } else {
+ setPosition(posx, posy);
+ }
+
+ if (!qobject_cast<QQuickMenuPopupWindow *>(transientParent())) // No need for parent menu windows
+ if (QQuickWindow *w = qobject_cast<QQuickWindow *>(transientParent()))
+ if (QQuickItem *mg = w->mouseGrabberItem())
+ mg->ungrabMouse();
+
+ QQuickWindow::show();
+ setMouseGrabEnabled(true); // Needs to be done after calling show()
+ setKeyboardGrabEnabled(true);
+}
+
+void QQuickMenuPopupWindow::setParentItem(QQuickItem *item)
+{
+ m_parentItem = item;
+ if (m_parentItem)
+ setParentWindow(m_parentItem->window());
+}
+
+void QQuickMenuPopupWindow::setMenuContentItem(QQuickItem *contentItem)
+{
+ if (!contentItem)
+ return;
+
+ contentItem->setParentItem(this->contentItem());
+ connect(contentItem, SIGNAL(widthChanged()), this, SLOT(updateSize()));
+ connect(contentItem, SIGNAL(heightChanged()), this, SLOT(updateSize()));
+ m_menuContentItem = contentItem;
+}
+
+void QQuickMenuPopupWindow::setItemAt(QQuickItem *menuItem)
+{
+ if (m_itemAt) {
+ disconnect(m_itemAt, SIGNAL(xChanged()), this, SLOT(updatePosition()));
+ disconnect(m_itemAt, SIGNAL(yChanged()), this, SLOT(updatePosition()));
+ }
+
+ m_itemAt = menuItem;
+ if (menuItem) {
+ m_oldItemPos = menuItem->position().toPoint();
+ connect(menuItem, SIGNAL(xChanged()), this, SLOT(updatePosition()));
+ connect(menuItem, SIGNAL(yChanged()), this, SLOT(updatePosition()));
+ }
+}
+
+void QQuickMenuPopupWindow::setParentWindow(QQuickWindow *parentWindow)
+{
+ setTransientParent(parentWindow);
+ if (parentWindow) {
+ connect(parentWindow, SIGNAL(destroyed()), this, SLOT(dismissMenu()));
+ if (QQuickMenuPopupWindow *pw = qobject_cast<QQuickMenuPopupWindow *>(parentWindow))
+ connect(pw, SIGNAL(menuDismissed()), this, SLOT(dismissMenu()));
+ }
+}
+
+void QQuickMenuPopupWindow::setGeometry(int posx, int posy, int w, int h)
+{
+ QWindow *pw = transientParent();
+ if (!pw && m_parentItem )
+ pw = m_parentItem->window();
+ if (!pw)
+ pw = this;
+ QRect g = pw->screen()->availableVirtualGeometry();
+
+ if (posx + w > g.right()) {
+ if (qobject_cast<QQuickMenuPopupWindow *>(transientParent())) {
+ // reposition submenu window on the parent menu's left side
+ int submenuOverlap = pw->x() + pw->width() - posx;
+ posx -= pw->width() + w - 2 * submenuOverlap;
+ } else {
+ posx = g.right() - w;
+ }
+ } else {
+ posx = qMax(posx, g.left());
+ }
+
+ posy = qBound(g.top(), posy, g.bottom() - h);
+
+ QQuickWindow::setGeometry(posx, posy, w, h);
+}
+
+void QQuickMenuPopupWindow::dismissMenu()
+{
+ emit menuDismissed();
+ close();
+}
+
+void QQuickMenuPopupWindow::updateSize()
+{
+ QSize contentSize = contentItem()->childrenRect().size().toSize();
+ setGeometry(position().x(), position().y(), contentSize.width(), contentSize.height());
+}
+
+void QQuickMenuPopupWindow::updatePosition()
+{
+ QPointF newPos = position() + m_oldItemPos - m_itemAt->position();
+ setGeometry(newPos.x(), newPos.y(), width(), height());
+}
+
+void QQuickMenuPopupWindow::mouseMoveEvent(QMouseEvent *e)
+{
+ QRect rect = QRect(QPoint(), size());
+ m_mouseMoved = true;
+ if (rect.contains(e->pos()))
+ QQuickWindow::mouseMoveEvent(e);
+ else
+ forwardEventToTransientParent(e);
+}
+
+void QQuickMenuPopupWindow::mousePressEvent(QMouseEvent *e)
+{
+ QRect rect = QRect(QPoint(), size());
+ if (!rect.contains(e->pos()))
+ forwardEventToTransientParent(e);
+}
+
+void QQuickMenuPopupWindow::mouseReleaseEvent(QMouseEvent *e)
+{
+ QRect rect = QRect(QPoint(), size());
+ if (rect.contains(e->pos())) {
+ if (m_mouseMoved) {
+ QMouseEvent pe = QMouseEvent(QEvent::MouseButtonPress, e->pos(), e->button(), e->buttons(), e->modifiers());
+ QQuickWindow::mousePressEvent(&pe);
+ QQuickWindow::mouseReleaseEvent(e);
+ }
+ m_mouseMoved = true; // Initial mouse release counts as move.
+ } else {
+ forwardEventToTransientParent(e);
+ }
+}
+
+void QQuickMenuPopupWindow::forwardEventToTransientParent(QMouseEvent *e)
+{
+ if (!qobject_cast<QQuickMenuPopupWindow*>(transientParent())
+ && ((m_mouseMoved && e->type() == QEvent::MouseButtonRelease)
+ || e->type() == QEvent::MouseButtonPress)) {
+ // Clicked outside any menu
+ dismissMenu();
+ } else if (transientParent()) {
+ QPoint parentPos = transientParent()->mapFromGlobal(mapToGlobal(e->pos()));
+ QMouseEvent pe = QMouseEvent(e->type(), parentPos, e->button(), e->buttons(), e->modifiers());
+ QGuiApplication::sendEvent(transientParent(), &pe);
+ }
+}
+
+QT_END_NAMESPACE
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