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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 |
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43 #include "qapplication.h" |
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44 |
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45 #include <private/qobject_p.h> |
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46 #include "qkeymapper_p.h" |
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47 #include <qwidget.h> |
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48 |
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49 QT_BEGIN_NAMESPACE |
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50 |
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51 /*! |
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52 \class QKeyMapper |
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53 \since 4.2 |
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54 \internal |
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55 |
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56 \sa QObject |
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57 */ |
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58 |
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59 /*! |
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60 Constructs a new key mapper. |
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61 */ |
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62 QKeyMapper::QKeyMapper() |
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63 : QObject(*new QKeyMapperPrivate, 0) |
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64 { |
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65 } |
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66 |
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67 /*! |
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68 Destroys the key mapper. |
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69 */ |
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70 QKeyMapper::~QKeyMapper() |
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71 { |
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72 } |
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73 |
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74 QList<int> QKeyMapper::possibleKeys(QKeyEvent *e) |
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75 { |
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76 QList<int> result; |
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77 |
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78 if (!e->nativeScanCode()) { |
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79 if (e->key() && (e->key() != Qt::Key_unknown)) |
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80 result << int(e->key() + e->modifiers()); |
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81 else if (!e->text().isEmpty()) |
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82 result << int(e->text().at(0).unicode() + e->modifiers()); |
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83 return result; |
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84 } |
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85 |
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86 return instance()->d_func()->possibleKeys(e); |
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87 } |
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88 |
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89 extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp |
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90 void QKeyMapper::changeKeyboard() |
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91 { |
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92 instance()->d_func()->clearMappings(); |
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93 |
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94 // inform all toplevel widgets of the change |
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95 QEvent e(QEvent::KeyboardLayoutChange); |
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96 QWidgetList list = QApplication::topLevelWidgets(); |
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97 for (int i = 0; i < list.size(); ++i) { |
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98 QWidget *w = list.at(i); |
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99 qt_sendSpontaneousEvent(w, &e); |
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100 } |
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101 } |
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102 |
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103 Q_GLOBAL_STATIC(QKeyMapper, keymapper) |
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104 /*! |
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105 Returns the pointer to the single instance of QKeyMapper in the application. |
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106 If none yet exists, the function ensures that one is created. |
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107 */ |
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108 QKeyMapper *QKeyMapper::instance() |
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109 { |
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110 return keymapper(); |
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111 } |
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112 |
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113 QKeyMapperPrivate *qt_keymapper_private() |
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114 { |
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115 return QKeyMapper::instance()->d_func(); |
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116 } |
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117 |
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118 QT_END_NAMESPACE |