From f3593564da6918990652756cdde0140ee4ec4923 Mon Sep 17 00:00:00 2001 From: Richard Moe Gustavsen Date: Thu, 17 Sep 2015 15:52:06 +0200 Subject: iOS: add support for native message dialogs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch will add support for native message dialogs on iOS. Change-Id: Iba2237b371ccbdfe4c772d25c3ea925eb64e5a0c Reviewed-by: Tor Arne Vestbø --- src/plugins/platforms/ios/qiosmessagedialog.mm | 135 +++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 src/plugins/platforms/ios/qiosmessagedialog.mm (limited to 'src/plugins/platforms/ios/qiosmessagedialog.mm') diff --git a/src/plugins/platforms/ios/qiosmessagedialog.mm b/src/plugins/platforms/ios/qiosmessagedialog.mm new file mode 100644 index 0000000000..39f7d4b1cd --- /dev/null +++ b/src/plugins/platforms/ios/qiosmessagedialog.mm @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 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 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. +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#import + +#include +#include +#include + +#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 &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("

"), 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(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; +} -- cgit v1.2.3