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

325 lines
10 KiB
Plaintext

/****************************************************************************
**
** 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);
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(unsigned int screenIndex)
: QPlatformScreen()
, m_uiScreen([[UIScreen screens] count] > screenIndex
? [[UIScreen screens] objectAtIndex:screenIndex]
: [UIScreen mainScreen])
, m_orientationListener(0)
{
QString deviceIdentifier = deviceModelIdentifier();
if (deviceIdentifier == QStringLiteral("iPhone2,1") /* iPhone 3GS */
|| deviceIdentifier == QStringLiteral("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
}
connect(qGuiApp, &QGuiApplication::focusWindowChanged, this, &QIOSScreen::updateStatusBarVisibility);
updateProperties();
}
QIOSScreen::~QIOSScreen()
{
[m_orientationListener release];
}
void QIOSScreen::updateProperties()
{
UIWindow *uiWindow = 0;
for (uiWindow in [[UIApplication sharedApplication] windows]) {
if (uiWindow.screen == m_uiScreen)
break;
}
bool inPortrait = UIInterfaceOrientationIsPortrait(uiWindow.rootViewController.interfaceOrientation);
QRect geometry = inPortrait ? fromCGRect(m_uiScreen.bounds).toRect()
: QRect(m_uiScreen.bounds.origin.x, m_uiScreen.bounds.origin.y,
m_uiScreen.bounds.size.height, m_uiScreen.bounds.size.width);
if (geometry != m_geometry) {
m_geometry = geometry;
const qreal millimetersPerInch = 25.4;
m_physicalSize = QSizeF(m_geometry.size()) / m_unscaledDpi * millimetersPerInch;
QWindowSystemInterface::handleScreenGeometryChange(screen(), m_geometry);
}
QRect availableGeometry = geometry;
CGSize applicationFrameSize = m_uiScreen.applicationFrame.size;
int statusBarHeight = geometry.height() - (inPortrait ? applicationFrameSize.height : applicationFrameSize.width);
availableGeometry.adjust(0, statusBarHeight, 0, 0);
if (availableGeometry != m_availableGeometry) {
m_availableGeometry = availableGeometry;
QWindowSystemInterface::handleScreenAvailableGeometryChange(screen(), m_availableGeometry);
}
if (screen())
layoutWindows();
}
void QIOSScreen::updateStatusBarVisibility()
{
if (!isQtApplication())
return;
QWindow *focusWindow = QGuiApplication::focusWindow();
// If we don't have a focus window we leave the status
// bar as is, so that the user can activate a new window
// with the same window state without the status bar jumping
// back and forth.
if (!focusWindow)
return;
UIView *view = reinterpret_cast<UIView *>(focusWindow->handle()->winId());
QIOSViewController *viewController = static_cast<QIOSViewController *>(view.viewController);
bool currentStatusBarVisibility = [UIApplication sharedApplication].statusBarHidden;
if (viewController.prefersStatusBarHidden == currentStatusBarVisibility)
return;
#if QT_IOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__IPHONE_7_0)
if (QSysInfo::MacintoshVersion >= QSysInfo::MV_IOS_7_0) {
[viewController setNeedsStatusBarAppearanceUpdate];
dispatch_async(dispatch_get_main_queue(), ^{
updateProperties();
});
} else
#endif
{
[[UIApplication sharedApplication]
setStatusBarHidden:[viewController prefersStatusBarHidden]
withAnimation:UIStatusBarAnimationNone];
updateProperties();
}
}
void QIOSScreen::layoutWindows()
{
QList<QWindow*> windows = QGuiApplication::topLevelWindows();
const QRect oldGeometry = screen()->geometry();
const QRect oldAvailableGeometry = screen()->availableGeometry();
const QRect newGeometry = geometry();
const QRect newAvailableGeometry = availableGeometry();
for (int i = 0; i < windows.size(); ++i) {
QWindow *window = windows.at(i);
if (platformScreenForWindow(window) != this)
continue;
QIOSWindow *platformWindow = static_cast<QIOSWindow *>(window->handle());
if (!platformWindow)
continue;
// FIXME: Handle more complex cases of no-state and/or child windows when rotating
if (window->windowState() & Qt::WindowFullScreen
|| (window->windowState() & Qt::WindowNoState && window->geometry() == oldGeometry))
platformWindow->applyGeometry(newGeometry);
else if (window->windowState() & Qt::WindowMaximized
|| (window->windowState() & Qt::WindowNoState && window->geometry() == oldAvailableGeometry))
platformWindow->applyGeometry(newAvailableGeometry);
}
}
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
{
// A UIScreen stays in the native orientation, regardless of rotation
return m_uiScreen.bounds.size.width >= m_uiScreen.bounds.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;
}
#include "moc_qiosscreen.cpp"
QT_END_NAMESPACE