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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    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

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    40 ****************************************************************************/

    41 

    42 /****************************************************************************

    43 **

    44 ** Implementation of QMultiInputContext class

    45 **

    46 ** Copyright (C) 2004 immodule for Qt Project.  All rights reserved.

    47 **

    48 ** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own

    49 ** licence. You may use this file under your Qt license. Following

    50 ** description is copied from their original file headers. Contact

    51 ** immodule-qt@freedesktop.org if any conditions of this licensing are

    52 ** not clear to you.

    53 **

    54 ****************************************************************************/

    55 

    56 #ifndef QT_NO_IM

    57 #include "qmultiinputcontext.h"

    58 #include <qinputcontextfactory.h>

    59 #include <qstringlist.h>

    60 #include <qaction.h>

    61 #include <qsettings.h>

    62 #include <qmenu.h>

    63 

    64 #include <stdlib.h>

    65 

    66 QT_BEGIN_NAMESPACE

    67 

    68 QMultiInputContext::QMultiInputContext()

    69     : QInputContext(), current(-1)

    70 {

    71     keys = QInputContextFactory::keys();

    72     for (int i = keys.size()-1; i >= 0; --i)

    73         if (keys.at(i).contains(QLatin1String("imsw")))

    74             keys.removeAt(i);

    75 

    76     QString def = QLatin1String(getenv("QT4_IM_MODULE"));

    77     if (def.isEmpty())

    78         def = QLatin1String(getenv("QT_IM_MODULE"));

    79     if (def.isEmpty()) {

    80         QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));

    81         settings.beginGroup(QLatin1String("Qt"));

    82         def = settings.value(QLatin1String("DefaultInputMethod"), QLatin1String("xim")).toString();

    83     }

    84     current = keys.indexOf(def);

    85     if (current < 0)

    86         current = 0;

    87 

    88     menu = new QMenu(tr("Select IM"));

    89     separator = new QAction(this);

    90     separator->setSeparator(true);

    91 

    92     QActionGroup *group = new QActionGroup(this);

    93     for (int i = 0; i < keys.size(); ++i) {

    94         slaves.append(0);

    95         const QString key = keys.at(i);

    96         QAction *a = menu->addAction(QInputContextFactory::displayName(key));

    97         a->setData(key);

    98         a->setCheckable(true);

    99         group->addAction(a);

   100         if (i == current) {

   101             slaves.replace(current, QInputContextFactory::create(key, this));

   102             a->setChecked(true);

   103         }

   104     }

   105     connect(group, SIGNAL(triggered(QAction*)), this, SLOT(changeSlave(QAction*)));

   106 }

   107 

   108 QMultiInputContext::~QMultiInputContext()

   109 {

   110     delete menu;

   111 }

   112 

   113 

   114 QString QMultiInputContext::identifierName()

   115 {

   116     return (slave()) ? slave()->identifierName() : QLatin1String("");

   117 }

   118 

   119 QString QMultiInputContext::language()

   120 {

   121     return (slave()) ? slave()->language() : QLatin1String("");

   122 }

   123 

   124 

   125 #if defined(Q_WS_X11)

   126 bool QMultiInputContext::x11FilterEvent(QWidget *keywidget, XEvent *event)

   127 {

   128     return (slave()) ? slave()->x11FilterEvent(keywidget, event) : false;

   129 }

   130 #endif // Q_WS_X11

   131 

   132 

   133 bool QMultiInputContext::filterEvent(const QEvent *event)

   134 {

   135     return (slave()) ? slave()->filterEvent(event) : false;

   136 }

   137 

   138 void QMultiInputContext::reset()

   139 {

   140     if (slave())

   141 	slave()->reset();

   142 }

   143 

   144 void QMultiInputContext::update()

   145 {

   146     if (slave())

   147 	slave()->update();

   148 }

   149 

   150 void QMultiInputContext::mouseHandler(int x, QMouseEvent *event)

   151 {

   152     if (slave())

   153 	slave()->mouseHandler(x, event);

   154 }

   155 

   156 QFont QMultiInputContext::font() const

   157 {

   158     return (slave()) ? slave()->font() : QInputContext::font();

   159 }

   160 

   161 void QMultiInputContext::setFocusWidget(QWidget *w)

   162 {

   163     QInputContext::setFocusWidget(w);

   164     if (slave())

   165 	slave()->setFocusWidget(w);

   166 }

   167 

   168 QWidget *QMultiInputContext::focusWidget() const

   169 {

   170     return QInputContext::focusWidget();

   171 }

   172 

   173 void QMultiInputContext::widgetDestroyed(QWidget *w)

   174 {

   175     if (slave())

   176 	slave()->widgetDestroyed(w);

   177 }

   178 

   179 bool QMultiInputContext::isComposing() const

   180 {

   181     return (slave()) ? slave()->isComposing() : false;

   182 }

   183 

   184 QList<QAction *> QMultiInputContext::actions()

   185 {

   186     QList<QAction *> a = slave()->actions();

   187     a.append(separator);

   188     a.append(menu->menuAction());

   189     return a;

   190 }

   191 

   192 void QMultiInputContext::changeSlave(QAction *a)

   193 {

   194     for (int i = 0; i < slaves.size(); ++i) {

   195         if (keys.at(i) == a->data().toString()) {

   196             if (slaves.at(i) == 0)

   197                 slaves.replace(i, QInputContextFactory::create(keys.at(i), this));

   198             QInputContext *qic = slaves.at(current);

   199             QWidget *oldWidget = qic->focusWidget();

   200             qic->reset();

   201             qic->setFocusWidget(0);

   202             current = i;

   203             qic = slaves.at(current);

   204             qic->setFocusWidget(oldWidget);

   205             return;

   206         }

   207     }

   208 }

   209 

   210 QT_END_NAMESPACE

   211 

   212 #endif // QT_NO_IM