qt6-bb10/src/plugins/platforms/ios/qiosscreen.mm

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the plugins of the Qt Toolkit.
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** General Public License version 2.1 as published by the Free Software
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** 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
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#include "qiosglobal.h"
#include "qiosintegration.h"
#include "qiosscreen.h"
#include "qioswindow.h"
#include <qpa/qwindowsysteminterface.h>
#include "qiosapplicationdelegate.h"
#include "qiosviewcontroller.h"
#include "quiview.h"
#include <sys/sysctl.h>
// -------------------------------------------------------------------------
static QIOSScreen* qtPlatformScreenFor(UIScreen *uiScreen)
{
foreach (QScreen *screen, QGuiApplication::screens()) {
QIOSScreen *platformScreen = static_cast<QIOSScreen *>(screen->handle());
if (platformScreen->uiScreen() == uiScreen)
return platformScreen;
}
return 0;
}
@interface QIOSScreenTracker : NSObject
@end
@implementation QIOSScreenTracker
+ (void)load
{
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
[center addObserver:self selector:@selector(screenConnected:)
name:UIScreenDidConnectNotification object:nil];
[center addObserver:self selector:@selector(screenDisconnected:)
name:UIScreenDidDisconnectNotification object:nil];
[center addObserver:self selector:@selector(screenModeChanged:)
name:UIScreenModeDidChangeNotification object:nil];
}
+ (void)screenConnected:(NSNotification*)notification
{
QIOSIntegration *integration = QIOSIntegration::instance();
Q_ASSERT_X(integration, Q_FUNC_INFO, "Screen connected before QIOSIntegration creation");
integration->addScreen(new QIOSScreen([notification object]));
}
+ (void)screenDisconnected:(NSNotification*)notification
{
QIOSScreen *screen = qtPlatformScreenFor([notification object]);
Q_ASSERT_X(screen, Q_FUNC_INFO, "Screen disconnected that we didn't know about");
delete screen;
}
+ (void)screenModeChanged:(NSNotification*)notification
{
QIOSScreen *screen = qtPlatformScreenFor([notification object]);
Q_ASSERT_X(screen, Q_FUNC_INFO, "Screen changed that we didn't know about");
screen->updateProperties();
}
@end
// -------------------------------------------------------------------------
@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);
UIDeviceOrientation deviceOrientation = [UIDevice currentDevice].orientation;
switch (deviceOrientation) {
case UIDeviceOrientationFaceUp:
case UIDeviceOrientationFaceDown:
// We ignore these events, as iOS will send events with the 'regular'
// orientations alongside these two orientations.
return;
default:
Qt::ScreenOrientation screenOrientation = toQtScreenOrientation(deviceOrientation);
QWindowSystemInterface::handleScreenOrientationChange(m_screen->screen(), screenOrientation);
}
}
@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(UIScreen *screen)
: QPlatformScreen()
, m_uiScreen(screen)
, m_uiWindow(0)
, m_orientationListener(0)
{
if (screen == [UIScreen mainScreen]) {
QString deviceIdentifier = deviceModelIdentifier();
if (deviceIdentifier == QLatin1String("iPhone2,1") /* iPhone 3GS */
|| deviceIdentifier == QLatin1String("iPod3,1") /* iPod touch 3G */) {
m_depth = 18;
} else {
m_depth = 24;
}
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad
&& !deviceIdentifier.contains(QRegularExpression("^iPad2,[567]$")) /* excluding iPad Mini */) {
m_unscaledDpi = 132;
} else {
m_unscaledDpi = 163; // Regular iPhone DPI
}
} else {
// External display, hard to say
m_depth = 24;
m_unscaledDpi = 96;
}
for (UIWindow *existingWindow in [[UIApplication sharedApplication] windows]) {
if (existingWindow.screen == m_uiScreen) {
m_uiWindow = [m_uiWindow retain];
break;
}
}
if (!m_uiWindow) {
// Create a window and associated view-controller that we can use
m_uiWindow = [[UIWindow alloc] initWithFrame:[m_uiScreen bounds]];
m_uiWindow.rootViewController = [[[QIOSViewController alloc] initWithQIOSScreen:this] autorelease];
// FIXME: Only do once windows are added to the screen, and for any screen
if (screen == [UIScreen mainScreen]) {
m_uiWindow.screen = m_uiScreen;
m_uiWindow.hidden = NO;
}
}
updateProperties();
}
QIOSScreen::~QIOSScreen()
{
[m_orientationListener release];
[m_uiWindow release];
}
void QIOSScreen::updateProperties()
{
QRect previousGeometry = m_geometry;
QRect previousAvailableGeometry = m_availableGeometry;
UIView *rootView = m_uiWindow.rootViewController.view;
m_geometry = fromCGRect([rootView convertRect:m_uiScreen.bounds fromView:m_uiWindow]).toRect();
m_availableGeometry = fromCGRect([rootView convertRect:m_uiScreen.applicationFrame fromView:m_uiWindow]).toRect();
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_IOS_8_0 && ![m_uiWindow.rootViewController shouldAutorotate]) {
// Setting the statusbar orientation (content orientation) on iOS8+ will result in the UIScreen
// updating its geometry and available geometry, which in the case of content orientation is not
// what we want. We want to reflect the screen geometry based on the locked orientation, and
// adjust the available geometry based on the repositioned status bar for the current status
// bar orientation.
Qt::ScreenOrientation lockedOrientation = toQtScreenOrientation(UIDeviceOrientation(rootView.qtViewController.lockedOrientation));
Qt::ScreenOrientation contenOrientation = toQtScreenOrientation(UIDeviceOrientation([UIApplication sharedApplication].statusBarOrientation));
QTransform transform = screen()->transformBetween(lockedOrientation, contenOrientation, m_geometry).inverted();
m_geometry = transform.mapRect(m_geometry);
m_availableGeometry = transform.mapRect(m_availableGeometry);
}
if (m_geometry != previousGeometry || m_availableGeometry != previousAvailableGeometry) {
const qreal millimetersPerInch = 25.4;
m_physicalSize = QSizeF(m_geometry.size()) / m_unscaledDpi * millimetersPerInch;
QWindowSystemInterface::handleScreenGeometryChange(screen(), m_geometry, m_availableGeometry);
}
}
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
{
CGRect nativeBounds =
#if QT_IOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__IPHONE_8_0)
QSysInfo::MacintoshVersion >= QSysInfo::MV_IOS_8_0 ? m_uiScreen.nativeBounds :
#endif
m_uiScreen.bounds;
// All known iOS devices have a native orientation of portrait, but to
// be on the safe side we compare the width and height of the bounds.
return nativeBounds.size.width >= nativeBounds.size.height ?
Qt::LandscapeOrientation : 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];
}
}
UIScreen *QIOSScreen::uiScreen() const
{
return m_uiScreen;
}
UIWindow *QIOSScreen::uiWindow() const
{
return m_uiWindow;
}
#include "moc_qiosscreen.cpp"
QT_END_NAMESPACE