diff options
Diffstat (limited to 'src/plugins/platforms/ios/qiosviewcontroller.mm')
| -rw-r--r-- | src/plugins/platforms/ios/qiosviewcontroller.mm | 132 |
1 files changed, 90 insertions, 42 deletions
diff --git a/src/plugins/platforms/ios/qiosviewcontroller.mm b/src/plugins/platforms/ios/qiosviewcontroller.mm index 01bc84ae68..02c3a2d28d 100644 --- a/src/plugins/platforms/ios/qiosviewcontroller.mm +++ b/src/plugins/platforms/ios/qiosviewcontroller.mm @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** 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. +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/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. +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** 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 +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company 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. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -56,11 +48,55 @@ // ------------------------------------------------------------------------- +@interface QIOSViewController () { + @public + QPointer<QIOSScreen> m_screen; + BOOL m_updatingProperties; + QMetaObject::Connection m_focusWindowChangeConnection; +} +@property (nonatomic, assign) BOOL changingOrientation; +@end + +// ------------------------------------------------------------------------- + @interface QIOSDesktopManagerView : UIView @end @implementation QIOSDesktopManagerView +- (void)didAddSubview:(UIView *)subview +{ + Q_UNUSED(subview); + + QIOSScreen *screen = self.qtViewController->m_screen; + + // The 'window' property of our view is not valid until the window + // has been shown, so we have to access it through the QIOSScreen. + UIWindow *uiWindow = screen->uiWindow(); + + if (uiWindow.hidden) { + // Associate UIWindow to screen and show it the first time a QWindow + // is mapped to the screen. For external screens this means disabling + // mirroring mode and presenting alternate content on the screen. + uiWindow.screen = screen->uiScreen(); + uiWindow.hidden = NO; + } +} + +- (void)willRemoveSubview:(UIView *)subview +{ + Q_UNUSED(subview); + + Q_ASSERT(self.window); + UIWindow *uiWindow = self.window; + + if (uiWindow.screen != [UIScreen mainScreen] && self.subviews.count == 1) { + // Removing the last view of an external screen, go back to mirror mode + uiWindow.screen = nil; + uiWindow.hidden = YES; + } +} + - (void)layoutSubviews { for (int i = int(self.subviews.count) - 1; i >= 0; --i) { @@ -75,7 +111,11 @@ - (void)layoutView:(QUIView *)view { QWindow *window = view.qwindow; - Q_ASSERT(window->handle()); + + // Return early if the QIOSWindow is still constructing, as we'll + // take care of setting the correct window state in the constructor. + if (!window->handle()) + return; // Re-apply window states to update geometry if (window->windowState() & (Qt::WindowFullScreen | Qt::WindowMaximized)) @@ -121,13 +161,6 @@ // ------------------------------------------------------------------------- -@interface QIOSViewController () { - QIOSScreen *m_screen; - BOOL m_updatingProperties; -} -@property (nonatomic, assign) BOOL changingOrientation; -@end - @implementation QIOSViewController - (id)initWithQIOSScreen:(QIOSScreen *)screen @@ -155,14 +188,14 @@ [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackTranslucent]; #endif + self.lockedOrientation = UIInterfaceOrientationUnknown; self.changingOrientation = NO; - self.shouldAutorotate = [super shouldAutorotate]; // Status bar may be initially hidden at startup through Info.plist self.prefersStatusBarHidden = infoPlistValue(@"UIStatusBarHidden", false); self.preferredStatusBarUpdateAnimation = UIStatusBarAnimationNone; - QObject::connect(qApp, &QGuiApplication::focusWindowChanged, [self]() { + m_focusWindowChangeConnection = QObject::connect(qApp, &QGuiApplication::focusWindowChanged, [self]() { [self updateProperties]; }); } @@ -170,6 +203,12 @@ return self; } +- (void)dealloc +{ + QObject::disconnect(m_focusWindowChangeConnection); + [super dealloc]; +} + - (void)loadView { self.view = [[[QIOSDesktopManagerView alloc] init] autorelease]; @@ -197,6 +236,11 @@ // ------------------------------------------------------------------------- +-(BOOL)shouldAutorotate +{ + return m_screen->uiScreen() == [UIScreen mainScreen] && !self.lockedOrientation; +} + #if QT_IOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__IPHONE_6_0) -(NSUInteger)supportedInterfaceOrientations { @@ -282,7 +326,8 @@ if (!QCoreApplication::instance()) return; - m_screen->updateProperties(); + if (m_screen) + m_screen->updateProperties(); } // ------------------------------------------------------------------------- @@ -292,6 +337,14 @@ if (!isQtApplication()) return; + if (!m_screen || !m_screen->screen()) + return; + + // For now we only care about the main screen, as both the statusbar + // visibility and orientation is only appropriate for the main screen. + if (m_screen->uiScreen() != [UIScreen mainScreen]) + return; + // Prevent recursion caused by updating the status bar appearance (position // or visibility), which in turn may cause a layout of our subviews, and // a reset of window-states, which themselves affect the view controller @@ -347,16 +400,12 @@ // so we keep the status bar in sync with content orientation. This will ensure // that the task bar (and associated gestures) are also rotated accordingly. - if (self.shouldAutorotate) { + if (!self.lockedOrientation) { // We are moving from Qt::PrimaryOrientation to an explicit orientation, // so we need to store the current statusbar orientation, as we need it // later when mapping screen coordinates for QScreen and for returning // to Qt::PrimaryOrientation. self.lockedOrientation = uiApplication.statusBarOrientation; - - // Calling setStatusBarOrientation only has an effect when auto-rotation is - // disabled, which makes sense when there's an explicit content orientation. - self.shouldAutorotate = NO; } [uiApplication setStatusBarOrientation: @@ -368,16 +417,15 @@ // that auto-rotation should be enabled. But we may be coming out of // a state of locked orientation, which needs some cleanup before we // can enable auto-rotation again. - if (!self.shouldAutorotate) { + if (self.lockedOrientation) { // First we need to restore the statusbar to what it was at the // time of locking the orientation, otherwise iOS will be very // confused when it starts doing auto-rotation again. - [uiApplication setStatusBarOrientation: - UIInterfaceOrientation(self.lockedOrientation) + [uiApplication setStatusBarOrientation:self.lockedOrientation animated:kAnimateContentOrientationChanges]; // Then we can re-enable auto-rotation - self.shouldAutorotate = YES; + self.lockedOrientation = UIInterfaceOrientationUnknown; // And finally let iOS rotate the root view to match the device orientation [UIViewController attemptRotationToDeviceOrientation]; |