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Diffstat (limited to 'src/plugins/platforms/ios/qiosmessagedialog.mm')
-rw-r--r-- | src/plugins/platforms/ios/qiosmessagedialog.mm | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/plugins/platforms/ios/qiosmessagedialog.mm b/src/plugins/platforms/ios/qiosmessagedialog.mm new file mode 100644 index 0000000000..ac04bf88e1 --- /dev/null +++ b/src/plugins/platforms/ios/qiosmessagedialog.mm @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#import <UIKit/UIKit.h> + +#include <QtGui/qwindow.h> +#include <QtGui/private/qguiapplication_p.h> +#include <qpa/qplatformtheme.h> + +#include "qiosglobal.h" +#include "quiview.h" +#include "qiosmessagedialog.h" + +QIOSMessageDialog::QIOSMessageDialog() + : m_alertController(Q_NULLPTR) +{ +} + +QIOSMessageDialog::~QIOSMessageDialog() +{ + hide(); +} + +inline QString QIOSMessageDialog::messageTextPlain() +{ + // Concatenate text fragments, and remove HTML tags + const QSharedPointer<QMessageDialogOptions> &opt = options(); + const QString &lineShift = QStringLiteral("\n\n"); + const QString &informativeText = opt->informativeText(); + const QString &detailedText = opt->detailedText(); + + QString text = opt->text(); + if (!informativeText.isEmpty()) + text += lineShift + informativeText; + if (!detailedText.isEmpty()) + text += lineShift + detailedText; + + text.replace(QLatin1String("<p>"), QStringLiteral("\n"), Qt::CaseInsensitive); + text.remove(QRegularExpression(QStringLiteral("<[^>]*>"))); + + return text; +} + +inline UIAlertAction *QIOSMessageDialog::createAction(StandardButton button) +{ + const StandardButton labelButton = button == NoButton ? Ok : button; + const QString &standardLabel = QGuiApplicationPrivate::platformTheme()->standardButtonText(labelButton); + const QString &label = QPlatformTheme::removeMnemonics(standardLabel); + + UIAlertActionStyle style = UIAlertActionStyleDefault; + if (button == Cancel) + style = UIAlertActionStyleCancel; + else if (button == Discard) + style = UIAlertActionStyleDestructive; + + return [UIAlertAction actionWithTitle:label.toNSString() style:style handler:^(UIAlertAction *) { + hide(); + if (button == NoButton) + emit reject(); + else + emit clicked(button, buttonRole(button)); + }]; +} + +void QIOSMessageDialog::exec() +{ + m_eventLoop.exec(QEventLoop::DialogExec); +} + +bool QIOSMessageDialog::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent) +{ + Q_UNUSED(windowFlags); + if (m_alertController // Ensure that the dialog is not showing already + || !options() // Some message dialogs don't have options (QErrorMessage) + || windowModality != Qt::ApplicationModal // We can only do app modal dialogs + || QSysInfo::MacintoshVersion < QSysInfo::MV_IOS_8_0) // API limitation + return false; + + m_alertController = [[UIAlertController + alertControllerWithTitle:options()->windowTitle().toNSString() + message:messageTextPlain().toNSString() + preferredStyle:UIAlertControllerStyleAlert] retain]; + + if (StandardButtons buttons = options()->standardButtons()) { + for (int i = FirstButton; i < LastButton; i<<=1) { + if (i & buttons) + [m_alertController addAction:createAction(StandardButton(i))]; + } + } else { + // We need at least one button to allow the user close the dialog + [m_alertController addAction:createAction(NoButton)]; + } + + UIWindow *window = parent ? reinterpret_cast<UIView *>(parent->winId()).window : [UIApplication sharedApplication].keyWindow; + [window.rootViewController presentViewController:m_alertController animated:YES completion:nil]; + return true; +} + +void QIOSMessageDialog::hide() +{ + m_eventLoop.exit(); + [m_alertController dismissViewControllerAnimated:YES completion:nil]; + [m_alertController release]; + m_alertController = Q_NULLPTR; +} |