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Move screen event processing into its own class

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The event handler class can then be reused when we have proper
BPS event support available from corelib

Change-Id: Iafe645e69248597377045c711108ce0acbe3984b
Reviewed-by: Sean Harmer <sh@theharmers.co.uk>
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
This commit is contained in:
Kevin Krammer 2012-03-28 13:20:40 +02:00 committed by Qt by Nokia
parent f5c5708f6e
commit a80a2c6da2
6 changed files with 592 additions and 466 deletions
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7
src/plugins/platforms/qnx/qnx.pro
View File

@ -20,6 +20,7 @@ QT += opengl opengl-private platformsupport platformsupport-private widgets-priv
#DEFINES += QQNXRASTERBACKINGSTORE_DEBUG
#DEFINES += QQNXROOTWINDOW_DEBUG
#DEFINES += QQNXSCREEN_DEBUG
#DEFINES += QQNXSCREENEVENT_DEBUG
#DEFINES += QQNXVIRTUALKEYBOARD_DEBUG
#DEFINES += QQNXWINDOW_DEBUG
@ -35,7 +36,8 @@ SOURCES = main.cpp \
qqnxrasterbackingstore.cpp \
qqnxvirtualkeyboard.cpp \
qqnxclipboard.cpp \
qqnxrootwindow.cpp
qqnxrootwindow.cpp \
qqnxscreeneventhandler.cpp
HEADERS = qqnxbuffer.h \
@ -50,7 +52,8 @@ HEADERS = qqnxbuffer.h \
qqnxrasterbackingstore.h \
qqnxvirtualkeyboard.h \
qqnxclipboard.h \
qqnxrootwindow.h
qqnxrootwindow.h \
qqnxscreeneventhandler.h
CONFIG(blackberry) {
SOURCES += qqnxservices.cpp

473
src/plugins/platforms/qnx/qqnxeventthread.cpp
View File

@ -40,53 +40,20 @@
****************************************************************************/
#include "qqnxeventthread.h"
#include "qqnxintegration.h"
#include "qqnxkeytranslator.h"
#if defined(QQNX_IMF)
#include "qqnxinputcontext_imf.h"
#else
#include "qqnxinputcontext_noimf.h"
#endif
#include <QtGui/QWindow>
#include <QtGui/QPlatformScreen>
#include <QtGui/QGuiApplication>
#include "qqnxscreeneventhandler.h"
#include <QtCore/QDebug>
#include <errno.h>
#include <unistd.h>
#include <sys/keycodes.h>
#include <cctype>
QQnxEventThread::QQnxEventThread(screen_context_t context, QPlatformScreen& screen)
QQnxEventThread::QQnxEventThread(screen_context_t context)
: QThread(),
m_screenContext(context),
m_platformScreen(screen),
m_quit(false),
m_lastButtonState(Qt::NoButton),
m_lastMouseWindow(0)
m_quit(false)
{
// Create a touch device
m_touchDevice = new QTouchDevice;
m_touchDevice->setType(QTouchDevice::TouchScreen);
m_touchDevice->setCapabilities(QTouchDevice::Position | QTouchDevice::Area | QTouchDevice::Pressure | QTouchDevice::NormalizedPosition);
QWindowSystemInterface::registerTouchDevice(m_touchDevice);
// initialize array of touch points
for (int i = 0; i < MaximumTouchPoints; i++) {
// map array index to id
m_touchPoints[i].id = i;
// pressure is not supported - use default
m_touchPoints[i].pressure = 1.0;
// nothing touching
m_touchPoints[i].state = Qt::TouchPointReleased;
}
}
QQnxEventThread::~QQnxEventThread()
@ -95,16 +62,21 @@ QQnxEventThread::~QQnxEventThread()
shutdown();
}
void QQnxEventThread::injectKeyboardEvent(int flags, int sym, int mod, int scan, int cap)
{
QQnxScreenEventHandler::injectKeyboardEvent(flags, sym, mod, scan, cap);
}
void QQnxEventThread::run()
{
QQnxScreenEventHandler eventHandler;
screen_event_t event;
// create screen event
errno = 0;
int result = screen_create_event(&event);
if (result) {
if (result)
qFatal("QQNX: failed to create event, errno=%d", errno);
}
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: event loop started";
@ -116,12 +88,26 @@ void QQnxEventThread::run()
// block until screen event is available
errno = 0;
result = screen_get_event(m_screenContext, event, -1);
if (result) {
if (result)
qFatal("QQNX: failed to get event, errno=%d", errno);
}
// process received event
dispatchEvent(event);
// get the event type
errno = 0;
int qnxType;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_TYPE, &qnxType);
if (result)
qFatal("QQNX: failed to query event type, errno=%d", errno);
if (qnxType == SCREEN_EVENT_USER) {
// treat all user events as shutdown requests
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: QNX user event";
#endif
m_quit = true;
} else {
eventHandler.handleEvent(event, qnxType);
}
}
#if defined(QQNXEVENTTHREAD_DEBUG)
@ -139,26 +125,23 @@ void QQnxEventThread::shutdown()
// create screen event
errno = 0;
int result = screen_create_event(&event);
if (result) {
if (result)
qFatal("QQNX: failed to create event, errno=%d", errno);
}
// set the event type as user
errno = 0;
int type = SCREEN_EVENT_USER;
result = screen_set_event_property_iv(event, SCREEN_PROPERTY_TYPE, &type);
if (result) {
if (result)
qFatal("QQNX: failed to set event type, errno=%d", errno);
}
// NOTE: ignore SCREEN_PROPERTY_USER_DATA; treat all user events as shutdown events
// post event to event loop so it will wake up and die
errno = 0;
result = screen_send_event(m_screenContext, event, getpid());
if (result) {
if (result)
qFatal("QQNX: failed to set event type, errno=%d", errno);
}
// cleanup
screen_destroy_event(event);
@ -174,399 +157,3 @@ void QQnxEventThread::shutdown()
qDebug() << "QQNX: event loop shutdown end";
#endif
}
void QQnxEventThread::dispatchEvent(screen_event_t event)
{
// get the event type
errno = 0;
int qnxType;
int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_TYPE, &qnxType);
if (result) {
qFatal("QQNX: failed to query event type, errno=%d", errno);
}
switch (qnxType) {
case SCREEN_EVENT_MTOUCH_TOUCH:
case SCREEN_EVENT_MTOUCH_MOVE:
case SCREEN_EVENT_MTOUCH_RELEASE:
handleTouchEvent(event, qnxType);
break;
case SCREEN_EVENT_KEYBOARD:
handleKeyboardEvent(event);
break;
case SCREEN_EVENT_POINTER:
handlePointerEvent(event);
break;
case SCREEN_EVENT_CLOSE:
handleCloseEvent(event);
break;
case SCREEN_EVENT_USER:
// treat all user events as shutdown requests
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: QNX user event";
#endif
m_quit = true;
break;
default:
// event ignored
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: QNX unknown event";
#endif
break;
}
}
void QQnxEventThread::handleKeyboardEvent(screen_event_t event)
{
// get flags of key event
errno = 0;
int flags;
int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_FLAGS, &flags);
if (result) {
qFatal("QQNX: failed to query event flags, errno=%d", errno);
}
// get key code
errno = 0;
int sym;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SYM, &sym);
if (result) {
qFatal("QQNX: failed to query event sym, errno=%d", errno);
}
int modifiers;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_MODIFIERS, &modifiers);
if (result) {
qFatal("QQNX: failed to query event modifiers, errno=%d", errno);
}
int scan;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SCAN, &scan);
if (result) {
qFatal("QQNX: failed to query event modifiers, errno=%d", errno);
}
int cap;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_CAP, &cap);
if (result) {
qFatal("QQNX: failed to query event cap, errno=%d", errno);
}
injectKeyboardEvent(flags, sym, modifiers, scan, cap);
}
void QQnxEventThread::injectKeyboardEvent(int flags, int sym, int modifiers, int scan, int cap)
{
Q_UNUSED(scan);
Qt::KeyboardModifiers qtMod = Qt::NoModifier;
if (modifiers & KEYMOD_SHIFT)
qtMod |= Qt::ShiftModifier;
if (modifiers & KEYMOD_CTRL)
qtMod |= Qt::ControlModifier;
if (modifiers & KEYMOD_ALT)
qtMod |= Qt::AltModifier;
// determine event type
QEvent::Type type = (flags & KEY_DOWN) ? QEvent::KeyPress : QEvent::KeyRelease;
// Check if the key cap is valid
if (flags & KEY_CAP_VALID) {
Qt::Key key;
QString keyStr;
if (cap >= 0x20 && cap <= 0x0ff) {
key = Qt::Key(std::toupper(cap)); // Qt expects the CAP to be upper case.
if ( qtMod & Qt::ControlModifier ) {
keyStr = QChar((int)(key & 0x3f));
} else {
if (flags & KEY_SYM_VALID) {
keyStr = QChar(sym);
}
}
} else if ((cap > 0x0ff && cap < UNICODE_PRIVATE_USE_AREA_FIRST) || cap > UNICODE_PRIVATE_USE_AREA_LAST) {
key = (Qt::Key)cap;
keyStr = QChar(sym);
} else {
if (isKeypadKey(cap))
qtMod |= Qt::KeypadModifier; // Is this right?
key = keyTranslator(cap);
}
QWindowSystemInterface::handleKeyEvent(QGuiApplication::focusWindow(), type, key, qtMod, keyStr);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt key t=" << type << ", k=" << key << ", s=" << keyStr;
#endif
}
}
void QQnxEventThread::handlePointerEvent(screen_event_t event)
{
errno = 0;
// Query the window that was clicked
screen_window_t qnxWindow;
void *handle;
int result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &handle);
if (result) {
qFatal("QQNX: failed to query event window, errno=%d", errno);
}
qnxWindow = static_cast<screen_window_t>(handle);
// Query the button states
int buttonState = 0;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_BUTTONS, &buttonState);
if (result) {
qFatal("QQNX: failed to query event button state, errno=%d", errno);
}
// Query the window position
int windowPos[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_SOURCE_POSITION, windowPos);
if (result) {
qFatal("QQNX: failed to query event window position, errno=%d", errno);
}
// Query the screen position
int pos[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_POSITION, pos);
if (result) {
qFatal("QQNX: failed to query event position, errno=%d", errno);
}
// Query the wheel delta
int wheelDelta = 0;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_MOUSE_WHEEL, &wheelDelta);
if (result) {
qFatal("QQNX: failed to query event wheel delta, errno=%d", errno);
}
// Map window handle to top-level QWindow
QWindow *w = QQnxIntegration::window(qnxWindow);
// Generate enter and leave events as needed.
if (qnxWindow != m_lastMouseWindow) {
QWindow *wOld = QQnxIntegration::window(m_lastMouseWindow);
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt enter, w=" << w;
#endif
}
}
m_lastMouseWindow = qnxWindow;
// Apply scaling to wheel delta and invert value for Qt. We'll probably want to scale
// this via a system preference at some point. But for now this is a sane value and makes
// the wheel usable.
wheelDelta *= -10;
// convert point to local coordinates
QPoint globalPoint(pos[0], pos[1]);
QPoint localPoint(windowPos[0], windowPos[1]);
// Convert buttons.
// Some QNX header files invert 'Right Button versus "Left Button' ('Right' == 0x01). But they also offer a 'Button Swap' bit,
// so we may receive events as shown. (If this is wrong, the fix is easy.)
// QNX Button mask is 8 buttons wide, with a maximum value of x080.
Qt::MouseButtons buttons = Qt::NoButton;
if (buttonState & 0x01)
buttons |= Qt::LeftButton;
if (buttonState & 0x02)
buttons |= Qt::MidButton;
if (buttonState & 0x04)
buttons |= Qt::RightButton;
if (buttonState & 0x08)
buttons |= Qt::ExtraButton1; // AKA 'Qt::BackButton'
if (buttonState & 0x10)
buttons |= Qt::ExtraButton2; // AKA 'Qt::ForwardButton'
if (buttonState & 0x20)
buttons |= Qt::ExtraButton3;
if (buttonState & 0x40)
buttons |= Qt::ExtraButton4;
if (buttonState & 0x80)
buttons |= Qt::ExtraButton5;
if (w) {
// Inject mouse event into Qt only if something has changed.
if (m_lastGlobalMousePoint != globalPoint ||
m_lastLocalMousePoint != localPoint ||
m_lastButtonState != buttons) {
QWindowSystemInterface::handleMouseEvent(w, localPoint, globalPoint, buttons);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << static_cast<int>(buttons);
#endif
}
if (wheelDelta) {
// Screen only supports a single wheel, so we will assume Vertical orientation for
// now since that is pretty much standard.
QWindowSystemInterface::handleWheelEvent(w, localPoint, globalPoint, wheelDelta, Qt::Vertical);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt wheel, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), d=" << static_cast<int>(wheelDelta);
#endif
}
}
m_lastGlobalMousePoint = globalPoint;
m_lastLocalMousePoint = localPoint;
m_lastButtonState = buttons;
}
void QQnxEventThread::handleTouchEvent(screen_event_t event, int qnxType)
{
// get display coordinates of touch
errno = 0;
int pos[2];
int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_POSITION, pos);
if (result) {
qFatal("QQNX: failed to query event position, errno=%d", errno);
}
// get window coordinates of touch
errno = 0;
int windowPos[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_SOURCE_POSITION, windowPos);
if (result) {
qFatal("QQNX: failed to query event window position, errno=%d", errno);
}
// determine which finger touched
errno = 0;
int touchId;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_TOUCH_ID, &touchId);
if (result) {
qFatal("QQNX: failed to query event touch id, errno=%d", errno);
}
// determine which window was touched
errno = 0;
void *handle;
result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &handle);
if (result) {
qFatal("QQNX: failed to query event window, errno=%d", errno);
}
screen_window_t qnxWindow = static_cast<screen_window_t>(handle);
// check if finger is valid
if (touchId < MaximumTouchPoints) {
// Map window handle to top-level QWindow
QWindow *w = QQnxIntegration::window(qnxWindow);
// Generate enter and leave events as needed.
if (qnxWindow != m_lastMouseWindow) {
QWindow *wOld = QQnxIntegration::window(m_lastMouseWindow);
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt enter, w=" << w;
#endif
}
}
m_lastMouseWindow = qnxWindow;
if (w) {
// convert primary touch to mouse event
if (touchId == 0) {
// convert point to local coordinates
QPoint globalPoint(pos[0], pos[1]);
QPoint localPoint(windowPos[0], windowPos[1]);
// map touch state to button state
Qt::MouseButtons buttons = (qnxType == SCREEN_EVENT_MTOUCH_RELEASE) ? Qt::NoButton : Qt::LeftButton;
// inject event into Qt
QWindowSystemInterface::handleMouseEvent(w, localPoint, globalPoint, buttons);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << buttons;
#endif
}
// get size of screen which contains window
QPlatformScreen *platformScreen = QPlatformScreen::platformScreenForWindow(w);
QSizeF screenSize = platformScreen->physicalSize();
// update cached position of current touch point
m_touchPoints[touchId].normalPosition = QPointF( static_cast<qreal>(pos[0]) / screenSize.width(), static_cast<qreal>(pos[1]) / screenSize.height() );
m_touchPoints[touchId].area = QRectF( pos[0], pos[1], 0.0, 0.0 );
// determine event type and update state of current touch point
QEvent::Type type = QEvent::None;
switch (qnxType) {
case SCREEN_EVENT_MTOUCH_TOUCH:
m_touchPoints[touchId].state = Qt::TouchPointPressed;
type = QEvent::TouchBegin;
break;
case SCREEN_EVENT_MTOUCH_MOVE:
m_touchPoints[touchId].state = Qt::TouchPointMoved;
type = QEvent::TouchUpdate;
break;
case SCREEN_EVENT_MTOUCH_RELEASE:
m_touchPoints[touchId].state = Qt::TouchPointReleased;
type = QEvent::TouchEnd;
break;
}
// build list of active touch points
QList<QWindowSystemInterface::TouchPoint> pointList;
for (int i = 0; i < MaximumTouchPoints; i++) {
if (i == touchId) {
// current touch point is always active
pointList.append(m_touchPoints[i]);
} else if (m_touchPoints[i].state != Qt::TouchPointReleased) {
// finger is down but did not move
m_touchPoints[i].state = Qt::TouchPointStationary;
pointList.append(m_touchPoints[i]);
}
}
// inject event into Qt
QWindowSystemInterface::handleTouchEvent(w, m_touchDevice, pointList);
#if defined(QQNXEVENTTHREAD_DEBUG)
qDebug() << "QQNX: Qt touch, w=" << w << ", p=(" << pos[0] << "," << pos[1] << "), t=" << type;
#endif
}
}
}
void QQnxEventThread::handleCloseEvent(screen_event_t event)
{
// Query the window that was closed
void *handle;
int result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &handle);
if (result != 0) {
qFatal("QQNX: failed to query event window, errno=%d", errno);
}
screen_window_t qnxWindow = static_cast<screen_window_t>(handle);
// Map window handle to top-level QWindow
QWindow *w = QQnxIntegration::window(qnxWindow);
if (w != 0) {
QWindowSystemInterface::handleCloseEvent(w);
}
}

21
src/plugins/platforms/qnx/qqnxeventthread.h
View File

@ -44,9 +44,6 @@
#include <QtCore/QThread>
#include <QtGui/QPlatformScreen>
#include <QtGui/QWindowSystemInterface>
#include <screen/screen.h>
QT_BEGIN_NAMESPACE
@ -54,7 +51,7 @@ QT_BEGIN_NAMESPACE
class QQnxEventThread : public QThread
{
public:
QQnxEventThread(screen_context_t context, QPlatformScreen& screen);
explicit QQnxEventThread(screen_context_t context);
virtual ~QQnxEventThread();
static void injectKeyboardEvent(int flags, int sym, int mod, int scan, int cap);
@ -63,26 +60,10 @@ protected:
virtual void run();
private:
enum {
MaximumTouchPoints = 10
};
void shutdown();
void dispatchEvent(screen_event_t event);
void handleKeyboardEvent(screen_event_t event);
void handlePointerEvent(screen_event_t event);
void handleTouchEvent(screen_event_t event, int type);
void handleCloseEvent(screen_event_t event);
screen_context_t m_screenContext;
QPlatformScreen& m_platformScreen;
bool m_quit;
QPoint m_lastGlobalMousePoint;
QPoint m_lastLocalMousePoint;
Qt::MouseButtons m_lastButtonState;
screen_window_t m_lastMouseWindow;
QTouchDevice *m_touchDevice;
QWindowSystemInterface::TouchPoint m_touchPoints[MaximumTouchPoints];
};
QT_END_NAMESPACE

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

@ -108,7 +108,7 @@ QQnxIntegration::QQnxIntegration()
QQnxGLContext::initialize();
// Create/start event thread
m_eventThread = new QQnxEventThread(m_screenContext, *QQnxScreen::primaryDisplay());
m_eventThread = new QQnxEventThread(m_screenContext);
m_eventThread->start();
// Create/start navigator event handler

473
src/plugins/platforms/qnx/qqnxscreeneventhandler.cpp Normal file
View File

@ -0,0 +1,473 @@
/***************************************************************************
**
** 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 "qqnxscreeneventhandler.h"
#include "qqnxintegration.h"
#include "qqnxkeytranslator.h"
#include <QDebug>
#include <QGuiApplication>
#include <errno.h>
#include <sys/keycodes.h>
QT_BEGIN_NAMESPACE
QQnxScreenEventHandler::QQnxScreenEventHandler()
: m_lastButtonState(Qt::NoButton)
, m_lastMouseWindow(0)
, m_touchDevice(0)
{
// Create a touch device
m_touchDevice = new QTouchDevice;
m_touchDevice->setType(QTouchDevice::TouchScreen);
m_touchDevice->setCapabilities(QTouchDevice::Position | QTouchDevice::Area | QTouchDevice::Pressure | QTouchDevice::NormalizedPosition);
QWindowSystemInterface::registerTouchDevice(m_touchDevice);
// initialize array of touch points
for (int i = 0; i < MaximumTouchPoints; i++) {
// map array index to id
m_touchPoints[i].id = i;
// pressure is not supported - use default
m_touchPoints[i].pressure = 1.0;
// nothing touching
m_touchPoints[i].state = Qt::TouchPointReleased;
}
}
bool QQnxScreenEventHandler::handleEvent(screen_event_t event)
{
// get the event type
errno = 0;
int qnxType;
int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_TYPE, &qnxType);
if (result) {
qFatal("QQNX: failed to query event type, errno=%d", errno);
}
return handleEvent(event, qnxType);
}
bool QQnxScreenEventHandler::handleEvent(screen_event_t event, int qnxType)
{
switch (qnxType) {
case SCREEN_EVENT_MTOUCH_TOUCH:
case SCREEN_EVENT_MTOUCH_MOVE:
case SCREEN_EVENT_MTOUCH_RELEASE:
handleTouchEvent(event, qnxType);
break;
case SCREEN_EVENT_KEYBOARD:
handleKeyboardEvent(event);
break;
case SCREEN_EVENT_POINTER:
handlePointerEvent(event);
break;
case SCREEN_EVENT_CLOSE:
handleCloseEvent(event);
break;
default:
// event ignored
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: QNX unknown event";
#endif
return false;
}
return true;
}
void QQnxScreenEventHandler::injectKeyboardEvent(int flags, int sym, int modifiers, int scan, int cap)
{
Q_UNUSED(scan);
Qt::KeyboardModifiers qtMod = Qt::NoModifier;
if (modifiers & KEYMOD_SHIFT)
qtMod |= Qt::ShiftModifier;
if (modifiers & KEYMOD_CTRL)
qtMod |= Qt::ControlModifier;
if (modifiers & KEYMOD_ALT)
qtMod |= Qt::AltModifier;
// determine event type
QEvent::Type type = (flags & KEY_DOWN) ? QEvent::KeyPress : QEvent::KeyRelease;
// Check if the key cap is valid
if (flags & KEY_CAP_VALID) {
Qt::Key key;
QString keyStr;
if (cap >= 0x20 && cap <= 0x0ff) {
key = Qt::Key(std::toupper(cap)); // Qt expects the CAP to be upper case.
if ( qtMod & Qt::ControlModifier ) {
keyStr = QChar((int)(key & 0x3f));
} else {
if (flags & KEY_SYM_VALID) {
keyStr = QChar(sym);
}
}
} else if ((cap > 0x0ff && cap < UNICODE_PRIVATE_USE_AREA_FIRST) || cap > UNICODE_PRIVATE_USE_AREA_LAST) {
key = (Qt::Key)cap;
keyStr = QChar(sym);
} else {
if (isKeypadKey(cap))
qtMod |= Qt::KeypadModifier; // Is this right?
key = keyTranslator(cap);
}
QWindowSystemInterface::handleKeyEvent(QGuiApplication::focusWindow(), type, key, qtMod, keyStr);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt key t=" << type << ", k=" << key << ", s=" << keyStr;
#endif
}
}
void QQnxScreenEventHandler::handleKeyboardEvent(screen_event_t event)
{
// get flags of key event
errno = 0;
int flags;
int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_FLAGS, &flags);
if (result) {
qFatal("QQNX: failed to query event flags, errno=%d", errno);
}
// get key code
errno = 0;
int sym;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SYM, &sym);
if (result) {
qFatal("QQNX: failed to query event sym, errno=%d", errno);
}
int modifiers;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_MODIFIERS, &modifiers);
if (result) {
qFatal("QQNX: failed to query event modifiers, errno=%d", errno);
}
int scan;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SCAN, &scan);
if (result) {
qFatal("QQNX: failed to query event modifiers, errno=%d", errno);
}
int cap;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_CAP, &cap);
if (result) {
qFatal("QQNX: failed to query event cap, errno=%d", errno);
}
injectKeyboardEvent(flags, sym, modifiers, scan, cap);
}
void QQnxScreenEventHandler::handlePointerEvent(screen_event_t event)
{
errno = 0;
// Query the window that was clicked
screen_window_t qnxWindow;
void *handle;
int result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &handle);
if (result) {
qFatal("QQNX: failed to query event window, errno=%d", errno);
}
qnxWindow = static_cast<screen_window_t>(handle);
// Query the button states
int buttonState = 0;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_BUTTONS, &buttonState);
if (result) {
qFatal("QQNX: failed to query event button state, errno=%d", errno);
}
// Query the window position
int windowPos[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_SOURCE_POSITION, windowPos);
if (result) {
qFatal("QQNX: failed to query event window position, errno=%d", errno);
}
// Query the screen position
int pos[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_POSITION, pos);
if (result) {
qFatal("QQNX: failed to query event position, errno=%d", errno);
}
// Query the wheel delta
int wheelDelta = 0;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_MOUSE_WHEEL, &wheelDelta);
if (result) {
qFatal("QQNX: failed to query event wheel delta, errno=%d", errno);
}
// Map window handle to top-level QWindow
QWindow *w = QQnxIntegration::window(qnxWindow);
// Generate enter and leave events as needed.
if (qnxWindow != m_lastMouseWindow) {
QWindow *wOld = QQnxIntegration::window(m_lastMouseWindow);
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt enter, w=" << w;
#endif
}
}
m_lastMouseWindow = qnxWindow;
// Apply scaling to wheel delta and invert value for Qt. We'll probably want to scale
// this via a system preference at some point. But for now this is a sane value and makes
// the wheel usable.
wheelDelta *= -10;
// convert point to local coordinates
QPoint globalPoint(pos[0], pos[1]);
QPoint localPoint(windowPos[0], windowPos[1]);
// Convert buttons.
// Some QNX header files invert 'Right Button versus "Left Button' ('Right' == 0x01). But they also offer a 'Button Swap' bit,
// so we may receive events as shown. (If this is wrong, the fix is easy.)
// QNX Button mask is 8 buttons wide, with a maximum value of x080.
Qt::MouseButtons buttons = Qt::NoButton;
if (buttonState & 0x01)
buttons |= Qt::LeftButton;
if (buttonState & 0x02)
buttons |= Qt::MidButton;
if (buttonState & 0x04)
buttons |= Qt::RightButton;
if (buttonState & 0x08)
buttons |= Qt::ExtraButton1; // AKA 'Qt::BackButton'
if (buttonState & 0x10)
buttons |= Qt::ExtraButton2; // AKA 'Qt::ForwardButton'
if (buttonState & 0x20)
buttons |= Qt::ExtraButton3;
if (buttonState & 0x40)
buttons |= Qt::ExtraButton4;
if (buttonState & 0x80)
buttons |= Qt::ExtraButton5;
if (w) {
// Inject mouse event into Qt only if something has changed.
if (m_lastGlobalMousePoint != globalPoint ||
m_lastLocalMousePoint != localPoint ||
m_lastButtonState != buttons) {
QWindowSystemInterface::handleMouseEvent(w, localPoint, globalPoint, buttons);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << static_cast<int>(buttons);
#endif
}
if (wheelDelta) {
// Screen only supports a single wheel, so we will assume Vertical orientation for
// now since that is pretty much standard.
QWindowSystemInterface::handleWheelEvent(w, localPoint, globalPoint, wheelDelta, Qt::Vertical);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt wheel, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), d=" << static_cast<int>(wheelDelta);
#endif
}
}
m_lastGlobalMousePoint = globalPoint;
m_lastLocalMousePoint = localPoint;
m_lastButtonState = buttons;
}
void QQnxScreenEventHandler::handleTouchEvent(screen_event_t event, int qnxType)
{
// get display coordinates of touch
errno = 0;
int pos[2];
int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_POSITION, pos);
if (result) {
qFatal("QQNX: failed to query event position, errno=%d", errno);
}
// get window coordinates of touch
errno = 0;
int windowPos[2];
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_SOURCE_POSITION, windowPos);
if (result) {
qFatal("QQNX: failed to query event window position, errno=%d", errno);
}
// determine which finger touched
errno = 0;
int touchId;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_TOUCH_ID, &touchId);
if (result) {
qFatal("QQNX: failed to query event touch id, errno=%d", errno);
}
// determine which window was touched
errno = 0;
void *handle;
result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &handle);
if (result) {
qFatal("QQNX: failed to query event window, errno=%d", errno);
}
screen_window_t qnxWindow = static_cast<screen_window_t>(handle);
// check if finger is valid
if (touchId < MaximumTouchPoints) {
// Map window handle to top-level QWindow
QWindow *w = QQnxIntegration::window(qnxWindow);
// Generate enter and leave events as needed.
if (qnxWindow != m_lastMouseWindow) {
QWindow *wOld = QQnxIntegration::window(m_lastMouseWindow);
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt enter, w=" << w;
#endif
}
}
m_lastMouseWindow = qnxWindow;
if (w) {
// convert primary touch to mouse event
if (touchId == 0) {
// convert point to local coordinates
QPoint globalPoint(pos[0], pos[1]);
QPoint localPoint(windowPos[0], windowPos[1]);
// map touch state to button state
Qt::MouseButtons buttons = (qnxType == SCREEN_EVENT_MTOUCH_RELEASE) ? Qt::NoButton : Qt::LeftButton;
// inject event into Qt
QWindowSystemInterface::handleMouseEvent(w, localPoint, globalPoint, buttons);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << buttons;
#endif
}
// get size of screen which contains window
QPlatformScreen *platformScreen = QPlatformScreen::platformScreenForWindow(w);
QSizeF screenSize = platformScreen->physicalSize();
// update cached position of current touch point
m_touchPoints[touchId].normalPosition = QPointF( static_cast<qreal>(pos[0]) / screenSize.width(), static_cast<qreal>(pos[1]) / screenSize.height() );
m_touchPoints[touchId].area = QRectF( pos[0], pos[1], 0.0, 0.0 );
// determine event type and update state of current touch point
QEvent::Type type = QEvent::None;
switch (qnxType) {
case SCREEN_EVENT_MTOUCH_TOUCH:
m_touchPoints[touchId].state = Qt::TouchPointPressed;
type = QEvent::TouchBegin;
break;
case SCREEN_EVENT_MTOUCH_MOVE:
m_touchPoints[touchId].state = Qt::TouchPointMoved;
type = QEvent::TouchUpdate;
break;
case SCREEN_EVENT_MTOUCH_RELEASE:
m_touchPoints[touchId].state = Qt::TouchPointReleased;
type = QEvent::TouchEnd;
break;
}
// build list of active touch points
QList<QWindowSystemInterface::TouchPoint> pointList;
for (int i = 0; i < MaximumTouchPoints; i++) {
if (i == touchId) {
// current touch point is always active
pointList.append(m_touchPoints[i]);
} else if (m_touchPoints[i].state != Qt::TouchPointReleased) {
// finger is down but did not move
m_touchPoints[i].state = Qt::TouchPointStationary;
pointList.append(m_touchPoints[i]);
}
}
// inject event into Qt
QWindowSystemInterface::handleTouchEvent(w, m_touchDevice, pointList);
#if defined(QQNXSCREENEVENT_DEBUG)
qDebug() << "QQNX: Qt touch, w=" << w << ", p=(" << pos[0] << "," << pos[1] << "), t=" << type;
#endif
}
}
}
void QQnxScreenEventHandler::handleCloseEvent(screen_event_t event)
{
// Query the window that was closed
void *handle;
int result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &handle);
if (result != 0) {
qFatal("QQNX: failed to query event window, errno=%d", errno);
}
screen_window_t qnxWindow = static_cast<screen_window_t>(handle);
// Map window handle to top-level QWindow
QWindow *w = QQnxIntegration::window(qnxWindow);
if (w != 0) {
QWindowSystemInterface::handleCloseEvent(w);
}
}
QT_END_NAMESPACE

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src/plugins/platforms/qnx/qqnxscreeneventhandler.h Normal file
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/***************************************************************************
**
** 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 QQNXSCREENEVENTHANDLER_H
#define QQNXSCREENEVENTHANDLER_H
#include <QWindowSystemInterface>
#include <screen/screen.h>
QT_BEGIN_NAMESPACE
class QQnxScreenEventHandler
{
public:
QQnxScreenEventHandler();
bool handleEvent(screen_event_t event);
bool handleEvent(screen_event_t event, int qnxType);
static void injectKeyboardEvent(int flags, int sym, int mod, int scan, int cap);
private:
void handleKeyboardEvent(screen_event_t event);
void handlePointerEvent(screen_event_t event);
void handleTouchEvent(screen_event_t event, int qnxType);
void handleCloseEvent(screen_event_t event);
private:
enum {
MaximumTouchPoints = 10
};
QPoint m_lastGlobalMousePoint;
QPoint m_lastLocalMousePoint;
Qt::MouseButtons m_lastButtonState;
screen_window_t m_lastMouseWindow;
QTouchDevice *m_touchDevice;
QWindowSystemInterface::TouchPoint m_touchPoints[MaximumTouchPoints];
};
QT_END_NAMESPACE
#endif // QQNXSCREENEVENTHANDLER_H