src/gui/kernel/qeventdispatcher_s60.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtGui of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <qwidget.h>
       
    43 
       
    44 #include "qeventdispatcher_s60_p.h"
       
    45 
       
    46 QT_BEGIN_NAMESPACE
       
    47 
       
    48 QEventDispatcherS60::QEventDispatcherS60(QObject *parent)
       
    49     : QEventDispatcherSymbian(parent),
       
    50       m_noInputEvents(false)
       
    51 {
       
    52 }
       
    53 
       
    54 QEventDispatcherS60::~QEventDispatcherS60()
       
    55 {
       
    56     for (int c = 0; c < m_deferredInputEvents.size(); ++c) {
       
    57         delete m_deferredInputEvents[c].event;
       
    58     }
       
    59 }
       
    60 
       
    61 bool QEventDispatcherS60::processEvents ( QEventLoop::ProcessEventsFlags flags )
       
    62 {
       
    63     bool ret = false;
       
    64 
       
    65     QT_TRY {
       
    66         bool oldNoInputEventsValue = m_noInputEvents;
       
    67         if (flags & QEventLoop::ExcludeUserInputEvents) {
       
    68             m_noInputEvents = true;
       
    69         } else {
       
    70             m_noInputEvents = false;
       
    71             ret = sendDeferredInputEvents() || ret;
       
    72         }
       
    73 
       
    74         ret = QEventDispatcherSymbian::processEvents(flags) || ret;
       
    75 
       
    76         m_noInputEvents = oldNoInputEventsValue;
       
    77     } QT_CATCH (const std::exception& ex) {
       
    78 #ifndef QT_NO_EXCEPTIONS
       
    79         CActiveScheduler::Current()->Error(qt_symbian_exception2Error(ex));
       
    80 #endif
       
    81     }
       
    82 
       
    83     return ret;
       
    84 }
       
    85 
       
    86 bool QEventDispatcherS60::hasPendingEvents()
       
    87 {
       
    88     return !m_deferredInputEvents.isEmpty() || QEventDispatcherSymbian::hasPendingEvents();
       
    89 }
       
    90 
       
    91 void QEventDispatcherS60::saveInputEvent(QSymbianControl *control, QWidget *widget, QInputEvent *event)
       
    92 {
       
    93     DeferredInputEvent inputEvent = {control, widget, event};
       
    94     m_deferredInputEvents.append(inputEvent);
       
    95     connect(widget, SIGNAL(destroyed(QObject *)), SLOT(removeInputEventsForWidget(QObject *)));
       
    96 }
       
    97 
       
    98 bool QEventDispatcherS60::sendDeferredInputEvents()
       
    99 {
       
   100     bool eventsSent = false;
       
   101     while (!m_deferredInputEvents.isEmpty()) {
       
   102         DeferredInputEvent inputEvent = m_deferredInputEvents.takeFirst();
       
   103 #ifndef QT_NO_EXCEPTIONS
       
   104         try {
       
   105 #endif
       
   106             inputEvent.control->sendInputEvent(inputEvent.widget, inputEvent.event);
       
   107 #ifndef QT_NO_EXCEPTIONS
       
   108         } catch (...) {
       
   109             delete inputEvent.event;
       
   110             throw;
       
   111         }
       
   112 #endif
       
   113         delete inputEvent.event;
       
   114         eventsSent = true;
       
   115     }
       
   116 
       
   117     return eventsSent;
       
   118 }
       
   119 
       
   120 void QEventDispatcherS60::removeInputEventsForWidget(QObject *object)
       
   121 {
       
   122     for (int c = 0; c < m_deferredInputEvents.size(); ++c) {
       
   123         if (m_deferredInputEvents[c].widget == object) {
       
   124             delete m_deferredInputEvents[c].event;
       
   125             m_deferredInputEvents.removeAt(c--);
       
   126         }
       
   127     }
       
   128 }
       
   129 
       
   130 QT_END_NAMESPACE