diff options
Diffstat (limited to 'src/plugins/platforms/winrt/qwinrtplatformmessagedialoghelper.cpp')
| -rw-r--r-- | src/plugins/platforms/winrt/qwinrtplatformmessagedialoghelper.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/plugins/platforms/winrt/qwinrtplatformmessagedialoghelper.cpp b/src/plugins/platforms/winrt/qwinrtplatformmessagedialoghelper.cpp new file mode 100644 index 0000000000..e70d06860c --- /dev/null +++ b/src/plugins/platforms/winrt/qwinrtplatformmessagedialoghelper.cpp @@ -0,0 +1,203 @@ +/**************************************************************************** +** +** Copyright (C) 2014 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 "qwinrtplatformmessagedialoghelper.h" + +#include <QtGui/QGuiApplication> +#include <private/qguiapplication_p.h> +#include <qpa/qplatformtheme.h> + +#include <asyncinfo.h> +#include <windows.ui.popups.h> +#include <windows.foundation.h> +#include <windows.foundation.collections.h> +#include <wrl.h> + +using namespace ABI::Windows::Foundation; +using namespace ABI::Windows::Foundation::Collections; +using namespace ABI::Windows::UI::Popups; +using namespace Microsoft::WRL; +using namespace Microsoft::WRL::Wrappers; + +QT_BEGIN_NAMESPACE + +struct QWinRTPlatformMessageDialogInfo +{ + ComPtr<IAsyncInfo> info; +}; + +QWinRTPlatformMessageDialogHelper::QWinRTPlatformMessageDialogHelper() : + QPlatformMessageDialogHelper(), + m_info(new QWinRTPlatformMessageDialogInfo), + m_shown(false) +{ +} + +QWinRTPlatformMessageDialogHelper::~QWinRTPlatformMessageDialogHelper() +{ + if (m_shown) + hide(); + delete m_info; +} + +void QWinRTPlatformMessageDialogHelper::exec() +{ + if (!m_shown) + show(Qt::Dialog, Qt::ApplicationModal, 0); + m_loop.exec(); +} + +bool QWinRTPlatformMessageDialogHelper::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent) +{ + Q_UNUSED(windowFlags) + Q_UNUSED(windowModality) + Q_UNUSED(parent) + + QSharedPointer<QMessageDialogOptions> options = this->options(); + + const QString informativeText = options->informativeText(); + const QString title = options->windowTitle(); + const QString text = informativeText.isEmpty() ? options->text() : (options->text() + QLatin1Char('\n') + informativeText); + + + ComPtr<IMessageDialogFactory> dialogFactory; + if (FAILED(GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_UI_Popups_MessageDialog).Get(), &dialogFactory))) + return false; + + ComPtr<IUICommandFactory> commandFactory; + if (FAILED(GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_UI_Popups_UICommand).Get(), &commandFactory))) + return false; + + HString nativeText; + nativeText.Set(reinterpret_cast<LPCWSTR>(text.utf16()), text.size()); + ComPtr<IMessageDialog> dialog; + + if (!title.isEmpty()) { + HString nativeTitle; + nativeTitle.Set(reinterpret_cast<LPCWSTR>(title.utf16()), title.size()); + if (FAILED(dialogFactory->CreateWithTitle(nativeText.Get(), nativeTitle.Get(), &dialog))) + return false; + } else { + if (FAILED(dialogFactory->Create(nativeText.Get(), &dialog))) + return false; + } + + // Add Buttons + ComPtr<IVector<IUICommand*> > dialogCommands; + if (FAILED(dialog->get_Commands(&dialogCommands))) + return false; + + // If no button is specified we need to create one to get close notification + int buttons = options->standardButtons(); + if (buttons == 0) + buttons = QPlatformDialogHelper::Ok; + + for (int i = QPlatformDialogHelper::FirstButton; i < QPlatformDialogHelper::LastButton; i<<=1) { + if (buttons & i) { + // Add native command + const QString label = QGuiApplicationPrivate::platformTheme()->standardButtonText(i); + + HString hLabel; + hLabel.Set(reinterpret_cast<LPCWSTR>(label.utf16()), label.size()); + + ABI::Windows::UI::Popups::IUICommand *command; + if (FAILED(commandFactory->CreateWithHandler(hLabel.Get(), + Callback<IUICommandInvokedHandler>(this, &QWinRTPlatformMessageDialogHelper::onInvoked).Get(), + &command))) + return false; + dialogCommands->Append(command); + } + } + + ComPtr<IAsyncOperation<IUICommand*> > op; + if (FAILED(dialog->ShowAsync(&op))) + return false; + + m_shown = true; + if (FAILED(op.As(&m_info->info))) { + m_shown = false; + // The dialog is shown already, so we cannot return false + qWarning("Failed to acquire AsyncInfo for MessageDialog"); + } + return true; +} + +void QWinRTPlatformMessageDialogHelper::hide() +{ + if (!m_shown) + return; + + m_info->info->Cancel(); + m_shown = false; +} + +HRESULT QWinRTPlatformMessageDialogHelper::onInvoked(ABI::Windows::UI::Popups::IUICommand *command) +{ + HSTRING hLabel; + UINT32 labelLength; + command->get_Label(&hLabel); + QString label = QString::fromWCharArray(::WindowsGetStringRawBuffer(hLabel, &labelLength)); + int buttonId = -1; + for (int i = QPlatformDialogHelper::FirstButton; i < QPlatformDialogHelper::LastButton; i<<=1) { + if ( options()->standardButtons() & i ) { + if (QGuiApplicationPrivate::platformTheme()->standardButtonText(i) == label) { + buttonId = i; + break; + } + } + } + if (m_loop.isRunning()) + m_loop.exit(); + + m_shown = false; + + if (buttonId < 0) { + emit reject(); + return S_OK; + } + + QPlatformDialogHelper::StandardButton standardButton = static_cast<QPlatformDialogHelper::StandardButton>(buttonId); + QPlatformDialogHelper::ButtonRole role = QPlatformDialogHelper::buttonRole(standardButton); + emit clicked(standardButton, role); + return S_OK; +} + +QT_END_NAMESPACE |