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Diffstat (limited to 'src/imports/inputcontext/declarativeinputcontext.cpp')
| -rw-r--r-- | src/imports/inputcontext/declarativeinputcontext.cpp | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/imports/inputcontext/declarativeinputcontext.cpp b/src/imports/inputcontext/declarativeinputcontext.cpp new file mode 100644 index 0000000000..b52f6ecbba --- /dev/null +++ b/src/imports/inputcontext/declarativeinputcontext.cpp @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "declarativeinputcontext.h" + +#include "inputcontextmodule.h" +#include "inputcontextfilter.h" + +#include <QtCore/qdebug.h> + +QT_BEGIN_NAMESPACE + +DeclarativeInputContext::DeclarativeInputContext(QObject *parent) + : QInputContext(parent) + , m_module(0) +{ +} + +DeclarativeInputContext::~DeclarativeInputContext() +{ +} + +bool DeclarativeInputContext::isComposing() const +{ + return m_module && !m_module->preeditText().isEmpty(); +} + +QString DeclarativeInputContext::identifierName() +{ + return QLatin1String("Qt.labs.inputcontext/1.0"); +} + +QString DeclarativeInputContext::language() +{ + return QString(); +} + +void DeclarativeInputContext::setFocusWidget(QWidget *widget) +{ + QInputContext::setFocusWidget(widget); + + if (m_module) + m_module->setFocusWidget(widget); +} + +void DeclarativeInputContext::mouseHandler(int x, QMouseEvent *event) +{ + if (!m_mouseHandlers.isEmpty()) { + InputContextMouseEvent me(*event); + foreach (InputContextMouseHandler *handler, m_mouseHandlers) { + handler->processEvent(event->type(), x, &me); + if (me.isAccepted()) { + event->setAccepted(true); + return; + } + } + } +} + +bool DeclarativeInputContext::filterMouseEvent(const QMouseEvent *event) +{ + if (!m_mouseFilters.isEmpty()) { + InputContextMouseEvent me(*event); + foreach (InputContextMouseFilter *filter, m_mouseFilters) { + filter->processEvent(event->type(), &me); + if (me.isAccepted()) + return true; + } + } + + return false; +} + +bool DeclarativeInputContext::filterKeyEvent(const QKeyEvent *event) +{ + if (!m_keyFilters.isEmpty()) { + InputContextKeyEvent ke(*event); + foreach (InputContextKeyFilter *filter, m_keyFilters) { + filter->processEvent(event->type(), &ke); + if (ke.isAccepted()) + return true; + } + } + return false; +} + +bool DeclarativeInputContext::filterEvent(const QEvent *event) +{ + switch (event->type()) { + case QEvent::RequestSoftwareInputPanel: + if (m_module) + m_module->setVisible(true); + return true; + case QEvent::CloseSoftwareInputPanel: + if (m_module) + m_module->setVisible(false); + return true; + case QEvent::MouseButtonPress: + case QEvent::MouseButtonRelease: + case QEvent::MouseButtonDblClick: + case QEvent::MouseMove: + return filterMouseEvent(static_cast<const QMouseEvent *>(event)); + case QEvent::KeyPress: + case QEvent::KeyRelease: + return filterKeyEvent(static_cast<const QKeyEvent *>(event)); + default: + return false; + } +} + +void DeclarativeInputContext::reset() +{ + if (m_module) + m_module->commit(); +} + +void DeclarativeInputContext::update() +{ + if (m_module) + m_module->update(); +} + +void DeclarativeInputContext::setModule(InputContextModule *module) +{ + m_module = module; +} + +void DeclarativeInputContext::registerMouseHandler(InputContextMouseHandler *handler) +{ + connect(handler, SIGNAL(destroyed(QObject*)), this, SLOT(mouseHandlerDestroyed(QObject*))); + m_mouseHandlers.append(handler); +} + +void DeclarativeInputContext::registerMouseFilter(InputContextMouseFilter *filter) +{ + connect(filter, SIGNAL(destroyed(QObject*)), this, SLOT(mouseFilterDestroyed(QObject*))); + m_mouseFilters.append(filter); +} + +void DeclarativeInputContext::registerKeyFilter(InputContextKeyFilter *filter) +{ + connect(filter, SIGNAL(destroyed(QObject*)), this, SLOT(keyFilterDestroyed(QObject*))); + m_keyFilters.append(filter); +} + +void DeclarativeInputContext::mouseHandlerDestroyed(QObject *handler) +{ + m_mouseHandlers.removeAll(static_cast<InputContextMouseHandler *>(handler)); +} + +void DeclarativeInputContext::mouseFilterDestroyed(QObject *filter) +{ + m_mouseFilters.removeAll(static_cast<InputContextMouseFilter *>(filter)); +} + +void DeclarativeInputContext::keyFilterDestroyed(QObject *filter) +{ + m_keyFilters.removeAll(static_cast<InputContextKeyFilter *>(filter)); +} + +QT_END_NAMESPACE |