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/****************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion <blackberry-qt@qnx.com>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module 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 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.
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//#define QBBSCREENEVENTHANDLER_DEBUG
#include "qbbscreeneventhandler.h"
#include "qbbscreen.h"
#include "qbbintegration.h"
#include "qbbinputcontext.h"
#include "qbbkeytranslator.h"
#include <QApplication>
#include <QDebug>
#include <errno.h>
#include <sys/keycodes.h>
QT_BEGIN_NAMESPACE
QBBScreenEventHandler::QBBScreenEventHandler(QBBIntegration *integration)
: mBBIntegration(integration)
, mLastButtonState(Qt::NoButton)
, mLastMouseWindow(0)
{
// initialize array of touch points
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
// map array index to id
mTouchPoints[i].id = i;
// first finger is primary
mTouchPoints[i].isPrimary = (i == 0);
// pressure is not supported - use default
mTouchPoints[i].pressure = 1.0;
// nothing touching
mTouchPoints[i].state = Qt::TouchPointReleased;
}
}
bool QBBScreenEventHandler::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("QBB: failed to query event type, errno=%d", errno);
return handleEvent(event, qnxType);
}
bool QBBScreenEventHandler::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;
case SCREEN_EVENT_CREATE:
handleCreateEvent(event);
break;
case SCREEN_EVENT_DISPLAY:
handleDisplayEvent(event);
break;
default:
// event ignored
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: QNX unknown event";
#endif
return false;
}
return true;
}
void QBBScreenEventHandler::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("QBB: 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("QBB: 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("QBB: 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("QBB: 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("QBB: failed to query event cap, errno=%d", errno);
}
// Let the input context have a stab at it first.
QWidget *focusWidget = QApplication::focusWidget();
if (focusWidget) {
QInputContext* inputContext = focusWidget->inputContext();
if (inputContext) {
QBBInputContext *qbbInputContext = dynamic_cast<QBBInputContext *>(inputContext);
if (qbbInputContext && qbbInputContext->handleKeyboardEvent(flags, sym, modifiers, scan, cap))
return;
}
}
injectKeyboardEvent(flags, sym, modifiers, scan, cap);
}
void QBBScreenEventHandler::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::handleExtendedKeyEvent(QApplication::activeWindow(), type, key, qtMod,
scan, sym, modifiers, keyStr);
#if defined(QBBScreenEventHandler_DEBUG)
qDebug() << "QBB: Qt key t=" << type << ", k=" << key << ", s=" << keyStr;
#endif
}
}
void QBBScreenEventHandler::injectPointerMoveEvent(int x, int y)
{
#if defined(QBBScreenEventHandler_DEBUG)
qDebug() << "Injecting mouse event..." << x << y;
#endif
QWidget *w = qApp->topLevelAt(x, y);
void *qnxWindow = w ? w->platformWindow() : 0;
// Generate enter and leave events as needed.
if (qnxWindow != mLastMouseWindow) {
QWidget* wOld = QWidget::find( (WId)mLastMouseWindow );
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QBBScreenEventHandler_DEBUG)
qDebug() << "QBB: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QBBScreenEventHandler_DEBUG)
qDebug() << "QBB: Qt enter, w=" << w;
#endif
}
}
mLastMouseWindow = qnxWindow;
// convert point to local coordinates
QPoint globalPoint(x, y);
QPoint localPoint(x, y);
if (w)
localPoint = QPoint(x - w->x(), y - w->y());
// Convert buttons.
Qt::MouseButtons buttons = mLastButtonState;
if (w) {
// Inject mouse event into Qt only if something has changed.
if (mLastGlobalMousePoint != globalPoint ||
mLastLocalMousePoint != localPoint ||
mLastButtonState != buttons) {
QWindowSystemInterface::handleMouseEvent(w, localPoint, globalPoint, buttons);
#if defined(QBBScreenEventHandler_DEBUG)
qDebug() << "QBB: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << (int)buttons;
#endif
}
}
mLastGlobalMousePoint = globalPoint;
mLastLocalMousePoint = localPoint;
mLastButtonState = buttons;
}
void QBBScreenEventHandler::handlePointerEvent(screen_event_t event)
{
errno = 0;
// Query the window that was clicked
void *qnxWindow;
int result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &qnxWindow);
if (result) {
qFatal("QBB: failed to query event window, errno=%d", errno);
}
// Query the button states
int buttonState = 0;
result = screen_get_event_property_iv(event, SCREEN_PROPERTY_BUTTONS, &buttonState);
if (result) {
qFatal("QBB: 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("QBB: 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("QBB: 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("QBB: failed to query event wheel delta, errno=%d", errno);
}
// map window to top-level widget
QWidget* w = QWidget::find( (WId)qnxWindow );
// Generate enter and leave events as needed.
if (qnxWindow != mLastMouseWindow) {
QWidget* wOld = QWidget::find( (WId)mLastMouseWindow );
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt enter, w=" << w;
#endif
}
}
mLastMouseWindow = 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 0x80.
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::XButton1;
if (buttonState & 0x10)
buttons |= Qt::XButton2;
if (w) {
// Inject mouse event into Qt only if something has changed.
if (mLastGlobalMousePoint != globalPoint ||
mLastLocalMousePoint != localPoint ||
mLastButtonState != buttons) {
QWindowSystemInterface::handleMouseEvent(w, localPoint, globalPoint, buttons);
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << (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(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt wheel, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), d=" << (int)wheelDelta;
#endif
}
}
mLastGlobalMousePoint = globalPoint;
mLastLocalMousePoint = localPoint;
mLastButtonState = buttons;
}
void QBBScreenEventHandler::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("QBB: failed to query event position, errno=%d", errno);
}
QCursor::setPos(pos[0], pos[1]);
// 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("QBB: 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("QBB: failed to query event touch id, errno=%d", errno);
}
// determine which window was touched
errno = 0;
void *qnxWindow;
result = screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, &qnxWindow);
if (result) {
qFatal("QBB: failed to query event window, errno=%d", errno);
}
// check if finger is valid
if (touchId < MAX_TOUCH_POINTS) {
// map window to top-level widget
QWidget* w = QWidget::find( (WId)qnxWindow );
// Generate enter and leave events as needed.
if (qnxWindow != mLastMouseWindow) {
QWidget* wOld = QWidget::find( (WId)mLastMouseWindow );
if (wOld) {
QWindowSystemInterface::handleLeaveEvent(wOld);
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt leave, w=" << wOld;
#endif
}
if (w) {
QWindowSystemInterface::handleEnterEvent(w);
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt enter, w=" << w;
#endif
}
}
mLastMouseWindow = 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(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt mouse, w=" << w << ", (" << localPoint.x() << "," << localPoint.y() << "), b=" << buttons;
#endif
}
// get size of screen which contains window
QPlatformScreen* platformScreen = QPlatformScreen::platformScreenForWidget(w);
QSize screenSize = platformScreen->physicalSize();
// update cached position of current touch point
mTouchPoints[touchId].normalPosition = QPointF( ((qreal)pos[0]) / screenSize.width(), ((qreal)pos[1]) / screenSize.height() );
mTouchPoints[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:
mTouchPoints[touchId].state = Qt::TouchPointPressed;
type = QEvent::TouchBegin;
break;
case SCREEN_EVENT_MTOUCH_MOVE:
mTouchPoints[touchId].state = Qt::TouchPointMoved;
type = QEvent::TouchUpdate;
break;
case SCREEN_EVENT_MTOUCH_RELEASE:
mTouchPoints[touchId].state = Qt::TouchPointReleased;
type = QEvent::TouchEnd;
break;
}
// build list of active touch points
QList<QWindowSystemInterface::TouchPoint> pointList;
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
if (i == touchId) {
// current touch point is always active
pointList.append(mTouchPoints[i]);
} else if (mTouchPoints[i].state != Qt::TouchPointReleased) {
// finger is down but did not move
mTouchPoints[i].state = Qt::TouchPointStationary;
pointList.append(mTouchPoints[i]);
}
}
// inject event into Qt
QWindowSystemInterface::handleTouchEvent(w, type, QTouchEvent::TouchScreen, pointList);
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << "QBB: Qt touch, w=" << w << ", p=(" << pos[0] << "," << pos[1] << "), t=" << type;
#endif
}
}
}
void QBBScreenEventHandler::handleCloseEvent(screen_event_t event)
{
screen_window_t window = 0;
if (screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, (void**)&window) != 0)
qFatal("QBB: failed to query event window property, errno=%d", errno);
emit windowClosed(window);
// map window to top-level widget
QWidget* w = QWidget::find( (WId)window );
if (w != NULL)
QWindowSystemInterface::handleCloseEvent(w);
}
void QBBScreenEventHandler::handleCreateEvent(screen_event_t event)
{
screen_window_t window = 0;
if (screen_get_event_property_pv(event, SCREEN_PROPERTY_WINDOW, (void**)&window) != 0)
qFatal("QBB: failed to query event window property, errno=%d", errno);
emit newWindowCreated(window);
}
void QBBScreenEventHandler::handleDisplayEvent(screen_event_t event)
{
screen_display_t nativeDisplay = 0;
if (screen_get_event_property_pv(event, SCREEN_PROPERTY_DISPLAY, (void **)&nativeDisplay) != 0) {
qWarning("QBB: failed to query display property, errno=%d", errno);
return;
}
int isAttached = 0;
if (screen_get_event_property_iv(event, SCREEN_PROPERTY_ATTACHED, &isAttached) != 0) {
qWarning("QBB: failed to query display attached property, errno=%d", errno);
return;
}
#if defined(QBBSCREENEVENTHANDLER_DEBUG)
qDebug() << Q_FUNC_INFO << "display attachment is now:" << isAttached;
#endif
QBBScreen *screen = mBBIntegration->screenForNative(nativeDisplay);
if (!screen) {
if (isAttached)
mBBIntegration->createDisplay(nativeDisplay, false /* not primary, we assume */);
} else if (!isAttached) {
// libscreen display is deactivated, let's remove the QBBScreen / QScreen
mBBIntegration->removeDisplay(screen);
}
}
#include "moc_qbbscreeneventhandler.cpp"
QT_END_NAMESPACE
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