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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 plugins 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 "qiosglobal.h"
#include "qiosscreen.h"
#include "qioswindow.h"
#include <qpa/qwindowsysteminterface.h>
#include "qiosapplicationdelegate.h"
#include "qiosviewcontroller.h"
#include <sys/sysctl.h>
@interface QIOSOrientationListener : NSObject {
@public
QIOSScreen *m_screen;
}
- (id) initWithQIOSScreen:(QIOSScreen *)screen;
@end
@implementation QIOSOrientationListener
- (id) initWithQIOSScreen:(QIOSScreen *)screen
{
self = [super init];
if (self) {
m_screen = screen;
[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(orientationChanged:)
name:@"UIDeviceOrientationDidChangeNotification" object:nil];
}
return self;
}
- (void) dealloc
{
[[UIDevice currentDevice] endGeneratingDeviceOrientationNotifications];
[[NSNotificationCenter defaultCenter]
removeObserver:self
name:@"UIDeviceOrientationDidChangeNotification" object:nil];
[super dealloc];
}
- (void) orientationChanged:(NSNotification *)notification
{
Q_UNUSED(notification);
Qt::ScreenOrientation orientation = toQtScreenOrientation([UIDevice currentDevice].orientation);
if (orientation != -1)
QWindowSystemInterface::handleScreenOrientationChange(m_screen->screen(), orientation);
}
@end
/*!
Returns the model identifier of the device.
When running under the simulator, the identifier will not
match the simulated device, but will be x86_64 or i386.
*/
static QString deviceModelIdentifier()
{
static const char key[] = "hw.machine";
size_t size;
sysctlbyname(key, NULL, &size, NULL, 0);
char value[size];
sysctlbyname(key, &value, &size, NULL, 0);
return QString::fromLatin1(value);
}
QIOSScreen::QIOSScreen(unsigned int screenIndex)
: QPlatformScreen()
, m_uiScreen([[UIScreen screens] objectAtIndex:qMin(screenIndex, [[UIScreen screens] count] - 1)])
, m_orientationListener(0)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
QString deviceIdentifier = deviceModelIdentifier();
if (deviceIdentifier == QStringLiteral("iPhone2,1") /* iPhone 3GS */
|| deviceIdentifier == QStringLiteral("iPod3,1") /* iPod touch 3G */) {
m_depth = 18;
} else {
m_depth = 24;
}
int unscaledDpi = 163; // Regular iPhone DPI
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad
&& deviceIdentifier != QStringLiteral("iPad2,5") /* iPad Mini */) {
unscaledDpi = 132;
};
CGRect bounds = [m_uiScreen bounds];
m_geometry = QRect(bounds.origin.x, bounds.origin.y, bounds.size.width, bounds.size.height);
CGRect frame = m_uiScreen.applicationFrame;
m_availableGeometry = QRect(frame.origin.x, frame.origin.y, frame.size.width, frame.size.height);
const qreal millimetersPerInch = 25.4;
m_physicalSize = QSizeF(m_geometry.size()) / unscaledDpi * millimetersPerInch;
if (isQtApplication()) {
// When in a non-mixed environment, let QScreen follow the current interface orientation:
setPrimaryOrientation(toQtScreenOrientation(UIDeviceOrientation(qiosViewController().interfaceOrientation)));
}
[pool release];
}
QIOSScreen::~QIOSScreen()
{
[m_orientationListener release];
}
QRect QIOSScreen::geometry() const
{
return m_geometry;
}
QRect QIOSScreen::availableGeometry() const
{
return m_availableGeometry;
}
int QIOSScreen::depth() const
{
return m_depth;
}
QImage::Format QIOSScreen::format() const
{
return QImage::Format_ARGB32_Premultiplied;
}
QSizeF QIOSScreen::physicalSize() const
{
return m_physicalSize;
}
QDpi QIOSScreen::logicalDpi() const
{
return QDpi(72, 72);
}
qreal QIOSScreen::devicePixelRatio() const
{
return [m_uiScreen scale];
}
Qt::ScreenOrientation QIOSScreen::nativeOrientation() const
{
return Qt::PortraitOrientation;
}
Qt::ScreenOrientation QIOSScreen::orientation() const
{
return toQtScreenOrientation([UIDevice currentDevice].orientation);
}
void QIOSScreen::setOrientationUpdateMask(Qt::ScreenOrientations mask)
{
if (m_orientationListener && mask == Qt::PrimaryOrientation) {
[m_orientationListener release];
m_orientationListener = 0;
} else if (!m_orientationListener) {
m_orientationListener = [[QIOSOrientationListener alloc] initWithQIOSScreen:this];
}
}
void QIOSScreen::setPrimaryOrientation(Qt::ScreenOrientation orientation)
{
// Note that UIScreen never changes orientation, but QScreen should. To work around
// this, we let QIOSViewController call us whenever interface orientation changes, and
// use that as primary orientation. After all, the viewcontrollers geometry is what we
// place QWindows on top of. A problem with this approach is that QIOSViewController is
// not in use in a mixed environment, which results in no change to primary orientation.
// We see that as acceptable since Qt should most likely not interfere with orientation
// for that case anyway.
bool portrait = screen()->isPortrait(orientation);
if (portrait && m_geometry.width() < m_geometry.height())
return;
// Switching portrait/landscape means swapping width/height (and adjusting x/y):
m_geometry = QRect(0, 0, m_geometry.height(), m_geometry.width());
m_physicalSize = QSizeF(m_physicalSize.height(), m_physicalSize.width());
m_availableGeometry = fromPortraitToPrimary(fromCGRect(m_uiScreen.applicationFrame), this);
QWindowSystemInterface::handleScreenGeometryChange(screen(), m_geometry);
QWindowSystemInterface::handleScreenAvailableGeometryChange(screen(), m_availableGeometry);
}
UIScreen *QIOSScreen::uiScreen() const
{
return m_uiScreen;
}
QT_END_NAMESPACE
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