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Refactor navigator event handling

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Separate PPS based navigator event notification handling and implementation
of the actual event handling.

Like the similar refactoring for screen events, this will allow to reuse the
same event handler class for BPS driven event processing.

Change-Id: I29d4a082cb01ff7943b7822ea9aa8ad622fda593
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
This commit is contained in:
Kevin Krammer 2012-04-10 11:26:12 +02:00 committed by Qt by Nokia
parent 28675642f3
commit 4fac40f8b0
7 changed files with 358 additions and 211 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/plugins/platforms/qnx/qnx.pro
View File

@ -17,6 +17,7 @@ QT += opengl opengl-private platformsupport platformsupport-private widgets-priv
#DEFINES += QQNXINPUTCONTEXT_IMF_EVENT_DEBUG
#DEFINES += QQNXINTEGRATION_DEBUG
#DEFINES += QQNXNAVIGATOREVENTHANDLER_DEBUG
#DEFINES += QQNXNAVIGATOREVENTNOTIFIER_DEBUG
#DEFINES += QQNXRASTERBACKINGSTORE_DEBUG
#DEFINES += QQNXROOTWINDOW_DEBUG
#DEFINES += QQNXSCREEN_DEBUG
@ -31,6 +32,7 @@ SOURCES = main.cpp \
qqnxglbackingstore.cpp \
qqnxintegration.cpp \
qqnxnavigatoreventhandler.cpp \
qqnxnavigatoreventnotifier.cpp \
qqnxscreen.cpp \
qqnxwindow.cpp \
qqnxrasterbackingstore.cpp \
@ -46,6 +48,7 @@ HEADERS = qqnxbuffer.h \
qqnxkeytranslator.h \
qqnxintegration.h \
qqnxnavigatoreventhandler.h \
qqnxnavigatoreventnotifier.h \
qqnxglcontext.h \
qqnxglbackingstore.h \
qqnxscreen.h \

18
src/plugins/platforms/qnx/qqnxintegration.cpp
View File

@ -45,6 +45,7 @@
#include "qqnxglcontext.h"
#include "qqnxnativeinterface.h"
#include "qqnxnavigatoreventhandler.h"
#include "qqnxnavigatoreventnotifier.h"
#include "qqnxrasterbackingstore.h"
#include "qqnxscreen.h"
#include "qqnxscreeneventhandler.h"
@ -80,7 +81,8 @@ QMutex QQnxIntegration::ms_windowMapperMutex;
QQnxIntegration::QQnxIntegration()
: QPlatformIntegration()
, m_eventThread(0)
, m_navigatorEventHandler(0)
, m_navigatorEventHandler(new QQnxNavigatorEventHandler())
, m_navigatorEventNotifier(0)
, m_virtualKeyboard(0)
, m_inputContext(0)
, m_fontDatabase(new QGenericUnixFontDatabase())
@ -103,12 +105,12 @@ QQnxIntegration::QQnxIntegration()
qFatal("QQnx: failed to connect to composition manager, errno=%d", errno);
}
// Create/start navigator event handler
m_navigatorEventHandler = new QQnxNavigatorEventHandler;
// Create/start navigator event notifier
m_navigatorEventNotifier = new QQnxNavigatorEventNotifier(m_navigatorEventHandler);
// delay invocation of start() to the time the event loop is up and running
// needed to have the QThread internals of the main thread properly initialized
QMetaObject::invokeMethod(m_navigatorEventHandler, "start", Qt::QueuedConnection);
QMetaObject::invokeMethod(m_navigatorEventNotifier, "start", Qt::QueuedConnection);
// Create displays for all possible screens (which may not be attached)
createDisplays();
@ -160,12 +162,12 @@ QQnxIntegration::~QQnxIntegration()
delete m_clipboard;
#endif
// Stop/destroy event thread
delete m_eventThread;
// Stop/destroy navigator thread
// Stop/destroy navigator event notifier
delete m_navigatorEventNotifier;
delete m_navigatorEventHandler;
// Stop/destroy event thread
delete m_eventThread;
delete m_screenEventHandler;
// Destroy all displays

2
src/plugins/platforms/qnx/qqnxintegration.h
View File

@ -54,6 +54,7 @@ class QQnxEventThread;
class QQnxInputContext;
class QQnxNativeInterface;
class QQnxNavigatorEventHandler;
class QQnxNavigatorEventNotifier;
class QQnxAbstractVirtualKeyboard;
class QQnxWindow;
class QQnxServices;
@ -112,6 +113,7 @@ private:
screen_context_t m_screenContext;
QQnxEventThread *m_eventThread;
QQnxNavigatorEventHandler *m_navigatorEventHandler;
QQnxNavigatorEventNotifier *m_navigatorEventNotifier;
QQnxAbstractVirtualKeyboard *m_virtualKeyboard;
QQnxInputContext *m_inputContext;
QPlatformFontDatabase *m_fontDatabase;

210
src/plugins/platforms/qnx/qqnxnavigatoreventhandler.cpp
View File

@ -1,6 +1,6 @@
/***************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
@ -41,216 +41,58 @@
#include "qqnxnavigatoreventhandler.h"
#include <QtGui/QGuiApplication>
#include <QtGui/QWindow>
#include <QtGui/QWindowSystemInterface>
#include <QDebug>
#include <QGuiApplication>
#include <QWindowSystemInterface>
#include <QtCore/QByteArray>
#include <QtCore/QDebug>
#include <QtCore/QList>
#include <QtCore/QSocketNotifier>
#include <QtCore/private/qcore_unix_p.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
static const char *navigatorControlPath = "/pps/services/navigator/control";
static const int ppsBufferSize = 4096;
QT_BEGIN_NAMESPACE
QQnxNavigatorEventHandler::QQnxNavigatorEventHandler(QObject *parent)
: QObject(parent),
m_fd(-1),
m_readNotifier(0)
: QObject(parent)
{
}
QQnxNavigatorEventHandler::~QQnxNavigatorEventHandler()
bool QQnxNavigatorEventHandler::handleOrientationCheck(int angle)
{
delete m_readNotifier;
// close connection to navigator
if (m_fd != -1)
close(m_fd);
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "QQNX: navigator event handler stopped";
#endif
}
void QQnxNavigatorEventHandler::start()
{
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "QQNX: navigator event handler started";
#endif
// open connection to navigator
errno = 0;
m_fd = open(navigatorControlPath, O_RDWR);
if (m_fd == -1) {
qWarning("QQNX: failed to open navigator pps, errno=%d", errno);
return;
}
m_readNotifier = new QSocketNotifier(m_fd, QSocketNotifier::Read);
connect(m_readNotifier, SIGNAL(activated(int)), this, SLOT(readData()));
}
void QQnxNavigatorEventHandler::parsePPS(const QByteArray &ppsData, QByteArray &msg, QByteArray &dat, QByteArray &id)
{
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: data=" << ppsData;
#endif
// tokenize pps data into lines
QList<QByteArray> lines = ppsData.split('\n');
// validate pps object
if (lines.size() == 0 || lines.at(0) != "@control") {
qFatal("QQNX: unrecognized pps object, data=%s", ppsData.constData());
}
// parse pps object attributes and extract values
for (int i = 1; i < lines.size(); i++) {
// tokenize current attribute
const QByteArray &attr = lines.at(i);
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: attr=" << attr;
#endif
int firstColon = attr.indexOf(':');
if (firstColon == -1) {
// abort - malformed attribute
continue;
}
int secondColon = attr.indexOf(':', firstColon + 1);
if (secondColon == -1) {
// abort - malformed attribute
continue;
}
QByteArray key = attr.left(firstColon);
QByteArray value = attr.mid(secondColon + 1);
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: key=" << key;
qDebug() << "PPS: val=" << value;
#endif
// save attribute value
if (key == "msg") {
msg = value;
} else if (key == "dat") {
dat = value;
} else if (key == "id") {
id = value;
} else {
qFatal("QQNX: unrecognized pps attribute, attr=%s", key.constData());
}
}
}
void QQnxNavigatorEventHandler::replyPPS(const QByteArray &res, const QByteArray &id, const QByteArray &dat)
{
// construct pps message
QByteArray ppsData = "res::";
ppsData += res;
ppsData += "\nid::";
ppsData += id;
if (!dat.isEmpty()) {
ppsData += "\ndat::";
ppsData += dat;
}
ppsData += "\n";
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS reply=" << ppsData;
#endif
// send pps message to navigator
errno = 0;
int bytes = write(m_fd, ppsData.constData(), ppsData.size());
if (bytes == -1) {
qFatal("QQNX: failed to write navigator pps, errno=%d", errno);
}
}
void QQnxNavigatorEventHandler::handleMessage(const QByteArray &msg, const QByteArray &dat, const QByteArray &id)
{
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: msg=" << msg << ", dat=" << dat << ", id=" << id;
#endif
// check message type
if (msg == "orientationCheck") {
// reply to navigator that (any) orientation is acceptable
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: orientation check, o=" << dat;
qDebug() << Q_FUNC_INFO << "angle=" << angle;
#endif
replyPPS(msg, id, "true");
} else if (msg == "orientation") {
// TODO: check if top window flags prohibit orientation change
return true;
}
void QQnxNavigatorEventHandler::handleOrientationChange(int angle)
{
// update screen geometry and reply to navigator that we're ready
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: orientation, o=" << dat;
qDebug() << Q_FUNC_INFO << "angle=" << angle;
#endif
Q_EMIT rotationChanged(dat.toInt());
replyPPS(msg, id, "");
} else if (msg == "SWIPE_DOWN") {
emit rotationChanged(angle);
}
void QQnxNavigatorEventHandler::handleSwipeDown()
{
// simulate menu key press
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: menu";
qDebug() << Q_FUNC_INFO;
#endif
QWindow *w = QGuiApplication::focusWindow();
QWindowSystemInterface::handleKeyEvent(w, QEvent::KeyPress, Qt::Key_Menu, Qt::NoModifier);
QWindowSystemInterface::handleKeyEvent(w, QEvent::KeyRelease, Qt::Key_Menu, Qt::NoModifier);
}
} else if (msg == "exit") {
void QQnxNavigatorEventHandler::handleExit()
{
// shutdown everything
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "PPS: exit";
qDebug() << Q_FUNC_INFO;
#endif
QCoreApplication::quit();
}
}
void QQnxNavigatorEventHandler::readData()
{
#if defined(QQNXNAVIGATOREVENTHANDLER_DEBUG)
qDebug() << "QQNX: reading navigator data";
#endif
// allocate buffer for pps data
char buffer[ppsBufferSize];
// attempt to read pps data
errno = 0;
int bytes = qt_safe_read(m_fd, buffer, ppsBufferSize - 1);
if (bytes == -1) {
qFatal("QQNX: failed to read navigator pps, errno=%d", errno);
}
// check if pps data was received
if (bytes > 0) {
// ensure data is null terminated
buffer[bytes] = '\0';
// process received message
QByteArray ppsData(buffer);
QByteArray msg;
QByteArray dat;
QByteArray id;
parsePPS(ppsData, msg, dat, id);
handleMessage(msg, dat, id);
}
}
QT_END_NAMESPACE

24
src/plugins/platforms/qnx/qqnxnavigatoreventhandler.h
View File

@ -1,6 +1,6 @@
/***************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
@ -46,31 +46,19 @@
QT_BEGIN_NAMESPACE
class QSocketNotifier;
class QQnxNavigatorEventHandler : public QObject
{
Q_OBJECT
public:
explicit QQnxNavigatorEventHandler(QObject *parent = 0);
~QQnxNavigatorEventHandler();
bool handleOrientationCheck(int angle);
void handleOrientationChange(int angle);
void handleSwipeDown();
void handleExit();
Q_SIGNALS:
void rotationChanged(int angle);
public Q_SLOTS:
void start();
private Q_SLOTS:
void readData();
private:
void parsePPS(const QByteArray &ppsData, QByteArray &msg, QByteArray &dat, QByteArray &id);
void replyPPS(const QByteArray &res, const QByteArray &id, const QByteArray &dat);
void handleMessage(const QByteArray &msg, const QByteArray &dat, const QByteArray &id);
int m_fd;
QSocketNotifier *m_readNotifier;
};
QT_END_NAMESPACE

233
src/plugins/platforms/qnx/qqnxnavigatoreventnotifier.cpp Normal file
View File

@ -0,0 +1,233 @@
/***************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qqnxnavigatoreventnotifier.h"
#include "qqnxnavigatoreventhandler.h"
#include <QtCore/QByteArray>
#include <QtCore/QDebug>
#include <QtCore/QList>
#include <QtCore/QSocketNotifier>
#include <QtCore/private/qcore_unix_p.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
static const char *navigatorControlPath = "/pps/services/navigator/control";
static const int ppsBufferSize = 4096;
QT_BEGIN_NAMESPACE
QQnxNavigatorEventNotifier::QQnxNavigatorEventNotifier(QQnxNavigatorEventHandler *eventHandler, QObject *parent)
: QObject(parent),
m_fd(-1),
m_readNotifier(0),
m_eventHandler(eventHandler)
{
}
QQnxNavigatorEventNotifier::~QQnxNavigatorEventNotifier()
{
delete m_readNotifier;
// close connection to navigator
if (m_fd != -1)
close(m_fd);
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "QQNX: navigator event notifier stopped";
#endif
}
void QQnxNavigatorEventNotifier::start()
{
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "QQNX: navigator event notifier started";
#endif
// open connection to navigator
errno = 0;
m_fd = open(navigatorControlPath, O_RDWR);
if (m_fd == -1) {
qWarning("QQNX: failed to open navigator pps, errno=%d", errno);
return;
}
m_readNotifier = new QSocketNotifier(m_fd, QSocketNotifier::Read);
connect(m_readNotifier, SIGNAL(activated(int)), this, SLOT(readData()));
}
void QQnxNavigatorEventNotifier::parsePPS(const QByteArray &ppsData, QByteArray &msg, QByteArray &dat, QByteArray &id)
{
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "PPS: data=" << ppsData;
#endif
// tokenize pps data into lines
QList<QByteArray> lines = ppsData.split('\n');
// validate pps object
if (lines.size() == 0 || lines.at(0) != "@control")
qFatal("QQNX: unrecognized pps object, data=%s", ppsData.constData());
// parse pps object attributes and extract values
for (int i = 1; i < lines.size(); ++i) {
// tokenize current attribute
const QByteArray &attr = lines.at(i);
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "PPS: attr=" << attr;
#endif
int firstColon = attr.indexOf(':');
if (firstColon == -1) {
// abort - malformed attribute
continue;
}
int secondColon = attr.indexOf(':', firstColon + 1);
if (secondColon == -1) {
// abort - malformed attribute
continue;
}
QByteArray key = attr.left(firstColon);
QByteArray value = attr.mid(secondColon + 1);
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "PPS: key=" << key;
qDebug() << "PPS: val=" << value;
#endif
// save attribute value
if (key == "msg")
msg = value;
else if (key == "dat")
dat = value;
else if (key == "id")
id = value;
else
qFatal("QQNX: unrecognized pps attribute, attr=%s", key.constData());
}
}
void QQnxNavigatorEventNotifier::replyPPS(const QByteArray &res, const QByteArray &id, const QByteArray &dat)
{
// construct pps message
QByteArray ppsData = "res::";
ppsData += res;
ppsData += "\nid::";
ppsData += id;
if (!dat.isEmpty()) {
ppsData += "\ndat::";
ppsData += dat;
}
ppsData += "\n";
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "PPS reply=" << ppsData;
#endif
// send pps message to navigator
errno = 0;
int bytes = write(m_fd, ppsData.constData(), ppsData.size());
if (bytes == -1)
qFatal("QQNX: failed to write navigator pps, errno=%d", errno);
}
void QQnxNavigatorEventNotifier::handleMessage(const QByteArray &msg, const QByteArray &dat, const QByteArray &id)
{
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "PPS: msg=" << msg << ", dat=" << dat << ", id=" << id;
#endif
// check message type
if (msg == "orientationCheck") {
const bool response = m_eventHandler->handleOrientationCheck(dat.toInt());
// reply to navigator that (any) orientation is acceptable
replyPPS(msg, id, response ? "true" : "false");
} else if (msg == "orientation") {
m_eventHandler->handleOrientationChange(dat.toInt());
replyPPS(msg, id, "");
} else if (msg == "SWIPE_DOWN") {
m_eventHandler->handleSwipeDown();
} else if (msg == "exit") {
m_eventHandler->handleExit();
}
}
void QQnxNavigatorEventNotifier::readData()
{
#if defined(QQNXNAVIGATOREVENTNOTIFIER_DEBUG)
qDebug() << "QQNX: reading navigator data";
#endif
// allocate buffer for pps data
char buffer[ppsBufferSize];
// attempt to read pps data
errno = 0;
int bytes = qt_safe_read(m_fd, buffer, ppsBufferSize - 1);
if (bytes == -1)
qFatal("QQNX: failed to read navigator pps, errno=%d", errno);
// check if pps data was received
if (bytes > 0) {
// ensure data is null terminated
buffer[bytes] = '\0';
// process received message
QByteArray ppsData(buffer);
QByteArray msg;
QByteArray dat;
QByteArray id;
parsePPS(ppsData, msg, dat, id);
handleMessage(msg, dat, id);
}
}
QT_END_NAMESPACE

77
src/plugins/platforms/qnx/qqnxnavigatoreventnotifier.h Normal file
View File

@ -0,0 +1,77 @@
/***************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQNXNAVIGATOREVENTNOTIFIER_H
#define QQNXNAVIGATOREVENTNOTIFIER_H
#include <QObject>
QT_BEGIN_NAMESPACE
class QQnxNavigatorEventHandler;
class QSocketNotifier;
class QQnxNavigatorEventNotifier : public QObject
{
Q_OBJECT
public:
explicit QQnxNavigatorEventNotifier(QQnxNavigatorEventHandler *eventHandler, QObject *parent = 0);
~QQnxNavigatorEventNotifier();
public Q_SLOTS:
void start();
private Q_SLOTS:
void readData();
private:
void parsePPS(const QByteArray &ppsData, QByteArray &msg, QByteArray &dat, QByteArray &id);
void replyPPS(const QByteArray &res, const QByteArray &id, const QByteArray &dat);
void handleMessage(const QByteArray &msg, const QByteArray &dat, const QByteArray &id);
int m_fd;
QSocketNotifier *m_readNotifier;
QQnxNavigatorEventHandler *m_eventHandler;
};
QT_END_NAMESPACE
#endif // QQNXNAVIGATOREVENTNOTIFIER_H