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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 QtDBus 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 #include "qdbusargument.h" |
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43 |
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44 #include <qatomic.h> |
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45 #include <qbytearray.h> |
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46 #include <qlist.h> |
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47 #include <qmap.h> |
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48 #include <qstring.h> |
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49 #include <qstringlist.h> |
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50 #include <qvariant.h> |
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51 #include <qdatetime.h> |
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52 #include <qrect.h> |
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53 #include <qline.h> |
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54 |
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55 #include "qdbusargument_p.h" |
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56 #include "qdbusmetatype_p.h" |
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57 #include "qdbusutil_p.h" |
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58 |
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59 QT_BEGIN_NAMESPACE |
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60 |
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61 QDBusArgumentPrivate::~QDBusArgumentPrivate() |
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62 { |
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63 if (message) |
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64 q_dbus_message_unref(message); |
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65 } |
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66 |
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67 QByteArray QDBusArgumentPrivate::createSignature(int id) |
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68 { |
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69 if (!qdbus_loadLibDBus()) |
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70 return ""; |
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71 |
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72 QByteArray signature; |
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73 QDBusMarshaller *marshaller = new QDBusMarshaller; |
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74 marshaller->ba = &signature; |
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75 |
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76 // run it |
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77 void *null = 0; |
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78 QVariant v(id, null); |
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79 QDBusArgument arg(marshaller); |
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80 QDBusMetaType::marshall(arg, v.userType(), v.constData()); |
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81 arg.d = 0; |
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82 |
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83 // delete it |
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84 bool ok = marshaller->ok; |
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85 delete marshaller; |
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86 |
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87 if (signature.isEmpty() || !ok || !QDBusUtil::isValidSingleSignature(QString::fromLatin1(signature))) { |
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88 qWarning("QDBusMarshaller: type `%s' produces invalid D-BUS signature `%s' " |
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89 "(Did you forget to call beginStructure() ?)", |
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90 QVariant::typeToName( QVariant::Type(id) ), |
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91 signature.isEmpty() ? "<empty>" : signature.constData()); |
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92 return ""; |
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93 } else if ((signature.at(0) != DBUS_TYPE_ARRAY && signature.at(0) != DBUS_STRUCT_BEGIN_CHAR) || |
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94 (signature.at(0) == DBUS_TYPE_ARRAY && (signature.at(1) == DBUS_TYPE_BYTE || |
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95 signature.at(1) == DBUS_TYPE_STRING))) { |
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96 qWarning("QDBusMarshaller: type `%s' attempts to redefine basic D-BUS type '%s' (%s) " |
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97 "(Did you forget to call beginStructure() ?)", |
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98 QVariant::typeToName( QVariant::Type(id) ), |
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99 signature.constData(), |
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100 QVariant::typeToName( QVariant::Type(QDBusMetaType::signatureToType(signature))) ); |
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101 return ""; |
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102 } |
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103 return signature; |
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104 } |
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105 |
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106 bool QDBusArgumentPrivate::checkWrite(QDBusArgumentPrivate *&d) |
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107 { |
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108 if (!d) |
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109 return false; |
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110 if (d->direction == Marshalling) { |
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111 if (!d->marshaller()->ok) |
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112 return false; |
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113 |
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114 if (d->message && d->ref != 1) { |
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115 QDBusMarshaller *dd = new QDBusMarshaller; |
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116 dd->message = q_dbus_message_copy(d->message); |
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117 q_dbus_message_iter_init_append(dd->message, &dd->iterator); |
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118 |
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119 if (!d->ref.deref()) |
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120 delete d; |
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121 d = dd; |
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122 } |
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123 return true; |
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124 } |
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125 |
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126 #ifdef QT_DEBUG |
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127 qFatal("QDBusArgument: write from a read-only object"); |
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128 #else |
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129 qWarning("QDBusArgument: write from a read-only object"); |
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130 #endif |
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131 return false; |
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132 } |
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133 |
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134 bool QDBusArgumentPrivate::checkRead(QDBusArgumentPrivate *d) |
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135 { |
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136 if (!d) |
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137 return false; |
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138 if (d->direction == Demarshalling) |
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139 return true; |
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140 |
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141 #ifdef QT_DEBUG |
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142 qFatal("QDBusArgument: read from a write-only object"); |
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143 #else |
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144 qWarning("QDBusArgument: read from a write-only object"); |
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145 #endif |
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146 |
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147 return false; |
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148 } |
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149 |
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150 bool QDBusArgumentPrivate::checkReadAndDetach(QDBusArgumentPrivate *&d) |
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151 { |
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152 if (!checkRead(d)) |
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153 return false; // don't bother |
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154 |
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155 if (d->ref == 1) |
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156 return true; // no need to detach |
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157 |
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158 QDBusDemarshaller *dd = new QDBusDemarshaller; |
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159 dd->message = q_dbus_message_ref(d->message); |
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160 dd->iterator = static_cast<QDBusDemarshaller*>(d)->iterator; |
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161 |
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162 if (!d->ref.deref()) |
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163 delete d; |
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164 d = dd; |
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165 return true; |
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166 } |
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167 |
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168 /*! |
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169 \class QDBusArgument |
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170 \inmodule QtDBus |
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171 \since 4.2 |
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172 |
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173 \brief The QDBusArgument class is used to marshall and demarshall D-Bus arguments. |
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174 |
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175 The class is used to send arguments over D-Bus to remote |
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176 applications and to receive them back. D-Bus offers an extensible |
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177 type system, based on a few primitive types and associations of |
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178 them. See the \l {qdbustypesystem.html}{QtDBus type system} page |
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179 for more information on the type system. |
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180 |
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181 QDBusArgument is the central class in the QtDBus type system, |
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182 providing functions to marshall and demarshall the primitive |
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183 types. The compound types are then created by association of one |
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184 or more of the primitive types in arrays, dictionaries or |
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185 structures. |
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186 |
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187 The following example illustrates how a structure containing an |
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188 integer and a string can be constructed using the \l |
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189 {qdbustypesystem.html}{QtDBus type system}: |
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190 |
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191 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 0 |
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192 |
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193 The type has to be registered with qDBusRegisterMetaType() before |
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194 it can be used with QDBusArgument. Therefore, somewhere in your |
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195 program, you should add the following code: |
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196 |
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197 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 1 |
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198 |
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199 Once registered, a type can be used in outgoing method calls |
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200 (placed with QDBusAbstractInterface::call()), signal emissions |
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201 from registered objects or in incoming calls from remote |
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202 applications. |
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203 |
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204 It is important to note that the \c{operator<<} and \c{operator>>} |
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205 streaming functions must always produce the same number of entries |
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206 in case of structures, both in reading and in writing (marshalling |
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207 and demarshalling), otherwise calls and signals may start to |
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208 silently fail. |
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209 |
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210 The following example illustrates this wrong usage |
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211 in context of a class that may contain invalid data: |
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212 |
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213 \badcode |
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214 // Wrongly marshall the MyTime data into a D-Bus argument |
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215 QDBusArgument &operator<<(QDBusArgument &argument, const MyTime &mytime) |
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216 { |
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217 argument.beginStructure(); |
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218 if (mytime.isValid) |
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219 argument << true << mytime.hour |
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220 << mytime.minute << mytime.second; |
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221 else |
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222 argument << false; |
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223 argument.endStructure(); |
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224 return argument; |
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225 } |
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226 \endcode |
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227 |
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228 In this example, both the \c{operator<<} and the \c{operator>>} |
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229 functions may produce a different number of reads/writes. This can |
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230 confuse the QtDBus type system and should be avoided. |
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231 |
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232 \sa QDBusAbstractInterface, {qdbustypesystem.html}{The QtDBus type |
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233 system}, {usingadaptors.html}{Using Adaptors}, qdbus_cast() |
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234 */ |
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235 |
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236 /*! |
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237 \enum QDBusArgument::ElementType |
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238 \since 4.5 |
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239 |
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240 This enum describes the type of element held by the argument. |
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241 |
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242 \value BasicType A basic element, which is understood by |
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243 QVariant. The following types are considered basic: bool, |
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244 byte, short, ushort, int, uint, qint64, quint64, double, |
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245 QString, QByteArray, QDBusObjectPath, QDBusSignature |
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246 |
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247 \value VariantType The variant element (QDBusVariant) |
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248 |
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249 \value ArrayType An array element, usually represented by QList<T> |
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250 or QVector<T>. Note: QByteArray and associative maps are not |
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251 considered arrays, even if the D-Bus protocol transports them as such. |
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252 |
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253 \value StructureType A custom type represented by a structure, |
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254 like QDateTime, QPoint, etc. |
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255 |
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256 \value MapType An associative container, like QMap<Key, Value> or |
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257 QHash<Key, Value> |
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258 |
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259 \value MapEntryType One entry in an associative container: both |
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260 the key and the value form one map-entry type. |
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261 |
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262 \value UnknownType The type is unknown or we have reached the end |
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263 of the list. |
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264 |
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265 \sa currentType() |
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266 */ |
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267 |
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268 /*! |
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269 \fn qdbus_cast(const QDBusArgument &argument) |
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270 \relates QDBusArgument |
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271 \since 4.2 |
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272 |
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273 Attempts to demarshall the contents of \a argument into the type |
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274 \c{T}. For example: |
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275 |
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276 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 2 |
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277 |
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278 Note that it is equivalent to the following: |
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279 |
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280 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 3 |
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281 */ |
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282 |
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283 /*! |
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284 Constructs an empty QDBusArgument argument. |
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285 |
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286 An empty QDBusArgument object does not allow either reading or |
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287 writing to be performed. |
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288 */ |
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289 QDBusArgument::QDBusArgument() |
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290 { |
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291 if (!qdbus_loadLibDBus()) { |
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292 d = 0; |
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293 return; |
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294 } |
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295 |
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296 QDBusMarshaller *dd = new QDBusMarshaller; |
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297 d = dd; |
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298 |
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299 // create a new message with any type, we won't sent it anyways |
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300 dd->message = q_dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL); |
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301 q_dbus_message_iter_init_append(dd->message, &dd->iterator); |
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302 } |
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303 |
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304 /*! |
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305 Constructs a copy of the \a other QDBusArgument object. |
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306 |
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307 Both objects will therefore contain the same state from this point |
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308 forward. QDBusArguments are explicitly shared and, therefore, any |
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309 modification to either copy will affect the other one too. |
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310 */ |
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311 QDBusArgument::QDBusArgument(const QDBusArgument &other) |
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312 : d(other.d) |
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313 { |
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314 if (d) |
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315 d->ref.ref(); |
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316 } |
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317 |
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318 /*! |
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319 \internal |
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320 */ |
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321 QDBusArgument::QDBusArgument(QDBusArgumentPrivate *dd) |
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322 : d(dd) |
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323 { |
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324 } |
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325 |
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326 /*! |
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327 Copies the \a other QDBusArgument object into this one. |
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328 |
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329 Both objects will therefore contain the same state from this point |
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330 forward. QDBusArguments are explicitly shared and, therefore, any |
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331 modification to either copy will affect the other one too. |
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332 */ |
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333 QDBusArgument &QDBusArgument::operator=(const QDBusArgument &other) |
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334 { |
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335 qAtomicAssign(d, other.d); |
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336 return *this; |
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337 } |
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338 |
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339 /*! |
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340 Disposes of the resources associated with this QDBusArgument |
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341 object. |
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342 */ |
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343 QDBusArgument::~QDBusArgument() |
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344 { |
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345 if (d && !d->ref.deref()) |
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346 delete d; |
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347 } |
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348 |
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349 /*! |
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350 Appends the primitive value \a arg of type \c{BYTE} to the D-Bus stream. |
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351 */ |
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352 QDBusArgument &QDBusArgument::operator<<(uchar arg) |
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353 { |
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354 if (QDBusArgumentPrivate::checkWrite(d)) |
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355 d->marshaller()->append(arg); |
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356 return *this; |
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357 } |
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358 |
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359 /*! |
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360 \overload |
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361 Appends the primitive value \a arg of type \c{BOOLEAN} to the D-Bus stream. |
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362 */ |
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363 QDBusArgument &QDBusArgument::operator<<(bool arg) |
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364 { |
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365 if (QDBusArgumentPrivate::checkWrite(d)) |
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366 d->marshaller()->append(arg); |
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367 return *this; |
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368 } |
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369 |
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370 /*! |
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371 \overload |
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372 Appends the primitive value \a arg of type \c{INT16} to the D-Bus stream. |
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373 */ |
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374 QDBusArgument &QDBusArgument::operator<<(short arg) |
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375 { |
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376 if (QDBusArgumentPrivate::checkWrite(d)) |
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377 d->marshaller()->append(arg); |
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378 return *this; |
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379 } |
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380 |
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381 /*! |
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382 \overload |
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383 Appends the primitive value \a arg of type \c{UINT16} to the D-Bus stream. |
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384 */ |
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385 QDBusArgument &QDBusArgument::operator<<(ushort arg) |
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386 { |
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387 if (QDBusArgumentPrivate::checkWrite(d)) |
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388 d->marshaller()->append(arg); |
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389 return *this; |
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390 } |
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391 |
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392 /*! |
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393 \overload |
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394 Appends the primitive value \a arg of type \c{INT32} to the D-Bus stream. |
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395 */ |
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396 QDBusArgument &QDBusArgument::operator<<(int arg) |
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397 { |
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398 if (QDBusArgumentPrivate::checkWrite(d)) |
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399 d->marshaller()->append(arg); |
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400 return *this; |
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401 } |
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402 |
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403 /*! |
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404 \overload |
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405 Appends the primitive value \a arg of type \c{UINT32} to the D-Bus stream. |
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406 */ |
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407 QDBusArgument &QDBusArgument::operator<<(uint arg) |
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408 { |
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409 if (QDBusArgumentPrivate::checkWrite(d)) |
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410 d->marshaller()->append(arg); |
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411 return *this; |
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412 } |
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413 |
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414 /*! |
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415 \overload |
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416 Appends the primitive value \a arg of type \c{INT64} to the D-Bus stream. |
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417 */ |
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418 QDBusArgument &QDBusArgument::operator<<(qlonglong arg) |
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419 { |
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420 if (QDBusArgumentPrivate::checkWrite(d)) |
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421 d->marshaller()->append(arg); |
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422 return *this; |
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423 } |
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424 |
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425 /*! |
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426 \overload |
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427 Appends the primitive value \a arg of type \c{UINT64} to the D-Bus stream. |
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428 */ |
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429 QDBusArgument &QDBusArgument::operator<<(qulonglong arg) |
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430 { |
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431 if (QDBusArgumentPrivate::checkWrite(d)) |
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432 d->marshaller()->append(arg); |
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433 return *this; |
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434 } |
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435 |
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436 /*! |
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437 \overload |
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438 Appends the primitive value \a arg of type \c{DOUBLE} (double-precision |
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439 floating-point) to the D-Bus stream. |
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440 */ |
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441 QDBusArgument &QDBusArgument::operator<<(double arg) |
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442 { |
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443 if (QDBusArgumentPrivate::checkWrite(d)) |
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444 d->marshaller()->append(arg); |
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445 return *this; |
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446 } |
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447 |
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448 /*! |
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449 \overload |
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450 Appends the primitive value \a arg of type \c{STRING} (Unicode character |
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451 string) to the D-Bus stream. |
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452 */ |
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453 QDBusArgument &QDBusArgument::operator<<(const QString &arg) |
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454 { |
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455 if (QDBusArgumentPrivate::checkWrite(d)) |
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456 d->marshaller()->append(arg); |
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457 return *this; |
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458 } |
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459 |
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460 /*! |
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461 \overload |
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462 \internal |
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463 Appends the primitive value \a arg of type \c{OBJECT_PATH} (path to a D-Bus |
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464 object) to the D-Bus stream. |
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465 */ |
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466 QDBusArgument &QDBusArgument::operator<<(const QDBusObjectPath &arg) |
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467 { |
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468 if (QDBusArgumentPrivate::checkWrite(d)) |
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469 d->marshaller()->append(arg); |
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470 return *this; |
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471 } |
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472 |
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473 /*! |
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474 \overload |
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475 \internal |
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476 Appends the primitive value \a arg of type \c{SIGNATURE} (D-Bus type |
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477 signature) to the D-Bus stream. |
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478 */ |
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479 QDBusArgument &QDBusArgument::operator<<(const QDBusSignature &arg) |
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480 { |
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481 if (QDBusArgumentPrivate::checkWrite(d)) |
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482 d->marshaller()->append(arg); |
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483 return *this; |
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484 } |
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485 |
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486 /*! |
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487 \overload |
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488 Appends the primitive value \a arg of type \c{VARIANT} to the D-Bus stream. |
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489 |
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490 A D-Bus variant type can contain any type, including other |
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491 variants. It is similar to the Qt QVariant type. |
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492 */ |
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493 QDBusArgument &QDBusArgument::operator<<(const QDBusVariant &arg) |
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494 { |
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495 if (QDBusArgumentPrivate::checkWrite(d)) |
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496 d->marshaller()->append(arg); |
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497 return *this; |
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498 } |
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499 |
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500 /*! |
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501 \overload |
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502 Appends the QStringList given by \a arg as \c{ARRAY of STRING} |
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503 to the D-Bus stream. |
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504 |
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505 QStringList and QByteArray are the only two non-primitive types |
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506 that are supported directly by QDBusArgument because of their |
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507 widespread usage in Qt applications. |
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508 |
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509 Other arrays are supported through compound types in QtDBus. |
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510 */ |
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511 QDBusArgument &QDBusArgument::operator<<(const QStringList &arg) |
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512 { |
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513 if (QDBusArgumentPrivate::checkWrite(d)) |
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514 d->marshaller()->append(arg); |
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515 return *this; |
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516 } |
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517 |
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518 /*! |
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519 \overload |
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520 Appends the QByteArray given by \a arg as \c{ARRAY of BYTE} |
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521 to the D-Bus stream. |
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522 |
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523 QStringList and QByteArray are the only two non-primitive types |
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524 that are supported directly by QDBusArgument because of their |
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525 widespread usage in Qt applications. |
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526 |
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527 Other arrays are supported through compound types in QtDBus. |
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528 */ |
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529 QDBusArgument &QDBusArgument::operator<<(const QByteArray &arg) |
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530 { |
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531 if (QDBusArgumentPrivate::checkWrite(d)) |
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532 d->marshaller()->append(arg); |
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533 return *this; |
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534 } |
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535 |
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536 /*! |
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537 \internal |
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538 Returns the type signature of the D-Bus type this QDBusArgument |
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539 \since 4.5 |
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540 |
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541 Appends the variant \a v. |
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542 |
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543 \sa asVariant() |
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544 */ |
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545 void QDBusArgument::appendVariant(const QVariant &v) |
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546 { |
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547 if (QDBusArgumentPrivate::checkWrite(d)) |
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548 d->marshaller()->appendVariantInternal(v); |
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549 } |
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550 |
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551 /*! |
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552 \internal |
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553 Returns the type signature of the D-Bus type this QDBusArgument |
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554 object is currently pointing to. |
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555 */ |
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556 QString QDBusArgument::currentSignature() const |
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557 { |
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558 if (!d) |
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559 return QString(); |
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560 if (d->direction == QDBusArgumentPrivate::Demarshalling) |
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561 return d->demarshaller()->currentSignature(); |
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562 else |
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563 return d->marshaller()->currentSignature(); |
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564 } |
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565 |
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566 /*! |
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567 \since 4.5 |
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568 Returns the classification of the current element type. If an |
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569 error decoding the type occurs or if we're at the end of the |
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570 argument, this function returns QDBusArgument::UnknownType. |
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571 |
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572 This function only makes sense when demarshalling arguments. If it |
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573 is used while marshalling, it will always return UnknownType. |
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574 */ |
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575 QDBusArgument::ElementType QDBusArgument::currentType() const |
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576 { |
|
577 if (!d) |
|
578 return UnknownType; |
|
579 if (d->direction == QDBusArgumentPrivate::Demarshalling) |
|
580 return d->demarshaller()->currentType(); |
|
581 return UnknownType; |
|
582 } |
|
583 |
|
584 /*! |
|
585 Extracts one D-BUS primitive argument of type \c{BYTE} from the |
|
586 D-BUS stream and puts it into \a arg. |
|
587 */ |
|
588 const QDBusArgument &QDBusArgument::operator>>(uchar &arg) const |
|
589 { |
|
590 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
591 arg = d->demarshaller()->toByte(); |
|
592 return *this; |
|
593 } |
|
594 |
|
595 /*! |
|
596 \overload |
|
597 Extracts one D-Bus primitive argument of type \c{BOOLEAN} from the |
|
598 D-Bus stream. |
|
599 */ |
|
600 const QDBusArgument &QDBusArgument::operator>>(bool &arg) const |
|
601 { |
|
602 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
603 arg = d->demarshaller()->toBool(); |
|
604 return *this; |
|
605 } |
|
606 |
|
607 /*! |
|
608 \overload |
|
609 Extracts one D-Bus primitive argument of type \c{UINT16} from the |
|
610 D-Bus stream. |
|
611 */ |
|
612 const QDBusArgument &QDBusArgument::operator>>(ushort &arg) const |
|
613 { |
|
614 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
615 arg = d->demarshaller()->toUShort(); |
|
616 return *this; |
|
617 } |
|
618 |
|
619 /*! |
|
620 \overload |
|
621 Extracts one D-Bus primitive argument of type \c{INT16} from the |
|
622 D-Bus stream. |
|
623 */ |
|
624 const QDBusArgument &QDBusArgument::operator>>(short &arg) const |
|
625 { |
|
626 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
627 arg = d->demarshaller()->toShort(); |
|
628 return *this; |
|
629 } |
|
630 |
|
631 /*! |
|
632 \overload |
|
633 Extracts one D-Bus primitive argument of type \c{INT32} from the |
|
634 D-Bus stream. |
|
635 */ |
|
636 const QDBusArgument &QDBusArgument::operator>>(int &arg) const |
|
637 { |
|
638 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
639 arg = d->demarshaller()->toInt(); |
|
640 return *this; |
|
641 } |
|
642 |
|
643 /*! |
|
644 \overload |
|
645 Extracts one D-Bus primitive argument of type \c{UINT32} from the |
|
646 D-Bus stream. |
|
647 */ |
|
648 const QDBusArgument &QDBusArgument::operator>>(uint &arg) const |
|
649 { |
|
650 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
651 arg = d->demarshaller()->toUInt(); |
|
652 return *this; |
|
653 } |
|
654 |
|
655 /*! |
|
656 \overload |
|
657 Extracts one D-Bus primitive argument of type \c{INT64} from the |
|
658 D-Bus stream. |
|
659 */ |
|
660 const QDBusArgument &QDBusArgument::operator>>(qlonglong &arg) const |
|
661 { |
|
662 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
663 arg = d->demarshaller()->toLongLong(); |
|
664 return *this; |
|
665 } |
|
666 |
|
667 /*! |
|
668 \overload |
|
669 Extracts one D-Bus primitive argument of type \c{UINT64} from the |
|
670 D-Bus stream. |
|
671 */ |
|
672 const QDBusArgument &QDBusArgument::operator>>(qulonglong &arg) const |
|
673 { |
|
674 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
675 arg = d->demarshaller()->toULongLong(); |
|
676 return *this; |
|
677 } |
|
678 |
|
679 /*! |
|
680 \overload |
|
681 Extracts one D-Bus primitive argument of type \c{DOUBLE} |
|
682 (double-precision floating pount) from the D-Bus stream. |
|
683 */ |
|
684 const QDBusArgument &QDBusArgument::operator>>(double &arg) const |
|
685 { |
|
686 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
687 arg = d->demarshaller()->toDouble(); |
|
688 return *this; |
|
689 } |
|
690 |
|
691 /*! |
|
692 \overload |
|
693 Extracts one D-Bus primitive argument of type \c{STRING} (Unicode |
|
694 character string) from the D-Bus stream. |
|
695 */ |
|
696 const QDBusArgument &QDBusArgument::operator>>(QString &arg) const |
|
697 { |
|
698 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
699 arg = d->demarshaller()->toString(); |
|
700 return *this; |
|
701 } |
|
702 |
|
703 /*! |
|
704 \overload |
|
705 \internal |
|
706 Extracts one D-Bus primitive argument of type \c{OBJECT_PATH} |
|
707 (D-Bus path to an object) from the D-Bus stream. |
|
708 */ |
|
709 const QDBusArgument &QDBusArgument::operator>>(QDBusObjectPath &arg) const |
|
710 { |
|
711 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
712 arg = d->demarshaller()->toObjectPath(); |
|
713 return *this; |
|
714 } |
|
715 |
|
716 /*! |
|
717 \overload |
|
718 \internal |
|
719 Extracts one D-Bus primitive argument of type \c{SIGNATURE} (D-Bus |
|
720 type signature) from the D-Bus stream. |
|
721 */ |
|
722 const QDBusArgument &QDBusArgument::operator>>(QDBusSignature &arg) const |
|
723 { |
|
724 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
725 arg = d->demarshaller()->toSignature(); |
|
726 return *this; |
|
727 } |
|
728 |
|
729 /*! |
|
730 \overload |
|
731 Extracts one D-Bus primitive argument of type \c{VARIANT} from the |
|
732 D-Bus stream. |
|
733 |
|
734 A D-Bus variant type can contain any type, including other |
|
735 variants. It is similar to the Qt QVariant type. |
|
736 |
|
737 In case the variant contains a type not directly supported by |
|
738 QDBusArgument, the value of the returned QDBusVariant will contain |
|
739 another QDBusArgument. It is your responsibility to further |
|
740 demarshall it into another type. |
|
741 */ |
|
742 const QDBusArgument &QDBusArgument::operator>>(QDBusVariant &arg) const |
|
743 { |
|
744 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
745 arg = d->demarshaller()->toVariant(); |
|
746 return *this; |
|
747 } |
|
748 |
|
749 /*! |
|
750 \overload |
|
751 Extracts an array of strings from the D-Bus stream and return it |
|
752 as a QStringList. |
|
753 |
|
754 QStringList and QByteArray are the only two non-primitive types |
|
755 that are supported directly by QDBusArgument because of their |
|
756 widespread usage in Qt applications. |
|
757 |
|
758 Other arrays are supported through compound types in QtDBus. |
|
759 */ |
|
760 const QDBusArgument &QDBusArgument::operator>>(QStringList &arg) const |
|
761 { |
|
762 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
763 arg = d->demarshaller()->toStringList(); |
|
764 return *this; |
|
765 } |
|
766 |
|
767 /*! |
|
768 \overload |
|
769 Extracts an array of bytes from the D-Bus stream and return it |
|
770 as a QByteArray. |
|
771 |
|
772 QStringList and QByteArray are the only two non-primitive types |
|
773 that are supported directly by QDBusArgument because of their |
|
774 widespread usage in Qt applications. |
|
775 |
|
776 Other arrays are supported through compound types in QtDBus. |
|
777 */ |
|
778 const QDBusArgument &QDBusArgument::operator>>(QByteArray &arg) const |
|
779 { |
|
780 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
781 arg = d->demarshaller()->toByteArray(); |
|
782 return *this; |
|
783 } |
|
784 |
|
785 /*! |
|
786 Opens a new D-Bus structure suitable for appending new arguments. |
|
787 |
|
788 This function is used usually in \c{operator<<} streaming |
|
789 operators, as in the following example: |
|
790 |
|
791 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 4 |
|
792 |
|
793 Structures can contain other structures, so the following code is |
|
794 also valid: |
|
795 |
|
796 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 5 |
|
797 |
|
798 \sa endStructure(), beginArray(), beginMap() |
|
799 */ |
|
800 void QDBusArgument::beginStructure() |
|
801 { |
|
802 if (QDBusArgumentPrivate::checkWrite(d)) |
|
803 d = d->marshaller()->beginStructure(); |
|
804 } |
|
805 |
|
806 /*! |
|
807 Closes a D-Bus structure opened with beginStructure(). This function must be called |
|
808 same number of times that beginStructure() is called. |
|
809 |
|
810 \sa beginStructure(), endArray(), endMap() |
|
811 */ |
|
812 void QDBusArgument::endStructure() |
|
813 { |
|
814 if (QDBusArgumentPrivate::checkWrite(d)) |
|
815 d = d->marshaller()->endStructure(); |
|
816 } |
|
817 |
|
818 /*! |
|
819 Opens a new D-Bus array suitable for appending elements of meta-type \a id. |
|
820 |
|
821 This function is used usually in \c{operator<<} streaming |
|
822 operators, as in the following example: |
|
823 |
|
824 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 6 |
|
825 |
|
826 If the type you want to marshall is a QList, QVector or any of the |
|
827 Qt's \l {Generic Containers} that take one template parameter, |
|
828 you need not declare an \c{operator<<} function for it, since |
|
829 QtDBus provides generic templates to do the job of marshalling |
|
830 the data. The same applies for STL's sequence containers, such |
|
831 as \c {std::list}, \c {std::vector}, etc. |
|
832 |
|
833 \sa endArray(), beginStructure(), beginMap() |
|
834 */ |
|
835 void QDBusArgument::beginArray(int id) |
|
836 { |
|
837 if (QDBusArgumentPrivate::checkWrite(d)) |
|
838 d = d->marshaller()->beginArray(id); |
|
839 } |
|
840 |
|
841 /*! |
|
842 Closes a D-Bus array opened with beginArray(). This function must be called |
|
843 same number of times that beginArray() is called. |
|
844 |
|
845 \sa beginArray(), endStructure(), endMap() |
|
846 */ |
|
847 void QDBusArgument::endArray() |
|
848 { |
|
849 if (QDBusArgumentPrivate::checkWrite(d)) |
|
850 d = d->marshaller()->endArray(); |
|
851 } |
|
852 |
|
853 /*! |
|
854 Opens a new D-Bus map suitable for |
|
855 appending elements. Maps are containers that associate one entry |
|
856 (the key) to another (the value), such as Qt's QMap or QHash. The |
|
857 ids of the map's key and value meta types must be passed in \a kid |
|
858 and \a vid respectively. |
|
859 |
|
860 This function is used usually in \c{operator<<} streaming |
|
861 operators, as in the following example: |
|
862 |
|
863 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 7 |
|
864 |
|
865 If the type you want to marshall is a QMap or QHash, you need not |
|
866 declare an \c{operator<<} function for it, since QtDBus provides |
|
867 generic templates to do the job of marshalling the data. |
|
868 |
|
869 \sa endMap(), beginStructure(), beginArray(), beginMapEntry() |
|
870 */ |
|
871 void QDBusArgument::beginMap(int kid, int vid) |
|
872 { |
|
873 if (QDBusArgumentPrivate::checkWrite(d)) |
|
874 d = d->marshaller()->beginMap(kid, vid); |
|
875 } |
|
876 |
|
877 /*! |
|
878 Closes a D-Bus map opened with beginMap(). This function must be called |
|
879 same number of times that beginMap() is called. |
|
880 |
|
881 \sa beginMap(), endStructure(), endArray() |
|
882 */ |
|
883 void QDBusArgument::endMap() |
|
884 { |
|
885 if (QDBusArgumentPrivate::checkWrite(d)) |
|
886 d = d->marshaller()->endMap(); |
|
887 } |
|
888 |
|
889 /*! |
|
890 Opens a D-Bus map entry suitable for |
|
891 appending the key and value entries. This function is only valid |
|
892 when a map has been opened with beginMap(). |
|
893 |
|
894 See beginMap() for an example of usage of this function. |
|
895 |
|
896 \sa endMapEntry(), beginMap() |
|
897 */ |
|
898 void QDBusArgument::beginMapEntry() |
|
899 { |
|
900 if (QDBusArgumentPrivate::checkWrite(d)) |
|
901 d = d->marshaller()->beginMapEntry(); |
|
902 } |
|
903 |
|
904 /*! |
|
905 Closes a D-Bus map entry opened with beginMapEntry(). This function must be called |
|
906 same number of times that beginMapEntry() is called. |
|
907 |
|
908 \sa beginMapEntry() |
|
909 */ |
|
910 void QDBusArgument::endMapEntry() |
|
911 { |
|
912 if (QDBusArgumentPrivate::checkWrite(d)) |
|
913 d = d->marshaller()->endMapEntry(); |
|
914 } |
|
915 |
|
916 /*! |
|
917 Opens a D-Bus structure suitable for extracting elements. |
|
918 |
|
919 This function is used usually in \c{operator>>} streaming |
|
920 operators, as in the following example: |
|
921 |
|
922 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 8 |
|
923 |
|
924 \sa endStructure(), beginArray(), beginMap() |
|
925 */ |
|
926 void QDBusArgument::beginStructure() const |
|
927 { |
|
928 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
929 d = d->demarshaller()->beginStructure(); |
|
930 } |
|
931 |
|
932 /*! |
|
933 Closes the D-Bus structure and allow extracting of the next element |
|
934 after the structure. |
|
935 |
|
936 \sa beginStructure() |
|
937 */ |
|
938 void QDBusArgument::endStructure() const |
|
939 { |
|
940 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
941 d = d->demarshaller()->endStructure(); |
|
942 } |
|
943 |
|
944 /*! |
|
945 Recurses into the D-Bus array to allow extraction of |
|
946 the array elements. |
|
947 |
|
948 This function is used usually in \c{operator>>} streaming |
|
949 operators, as in the following example: |
|
950 |
|
951 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 9 |
|
952 |
|
953 If the type you want to demarshall is a QList, QVector or any of the |
|
954 Qt's \l {Generic Containers} that take one template parameter, you |
|
955 need not declare an \c{operator>>} function for it, since QtDBus |
|
956 provides generic templates to do the job of demarshalling the data. |
|
957 The same applies for STL's sequence containers, such as \c {std::list}, |
|
958 \c {std::vector}, etc. |
|
959 |
|
960 \sa atEnd(), beginStructure(), beginMap() |
|
961 */ |
|
962 void QDBusArgument::beginArray() const |
|
963 { |
|
964 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
965 d = d->demarshaller()->beginArray(); |
|
966 } |
|
967 |
|
968 /*! |
|
969 Closes the D-Bus array and allow extracting of the next element |
|
970 after the array. |
|
971 |
|
972 \sa beginArray() |
|
973 */ |
|
974 void QDBusArgument::endArray() const |
|
975 { |
|
976 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
977 d = d->demarshaller()->endArray(); |
|
978 } |
|
979 |
|
980 /*! |
|
981 Recurses into the D-Bus map to allow extraction of |
|
982 the map's elements. |
|
983 |
|
984 This function is used usually in \c{operator>>} streaming |
|
985 operators, as in the following example: |
|
986 |
|
987 \snippet doc/src/snippets/code/src_qdbus_qdbusargument.cpp 10 |
|
988 |
|
989 If the type you want to demarshall is a QMap or QHash, you need not |
|
990 declare an \c{operator>>} function for it, since QtDBus provides |
|
991 generic templates to do the job of demarshalling the data. |
|
992 |
|
993 \sa endMap(), beginStructure(), beginArray(), beginMapEntry() |
|
994 */ |
|
995 void QDBusArgument::beginMap() const |
|
996 { |
|
997 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
998 d = d->demarshaller()->beginMap(); |
|
999 } |
|
1000 |
|
1001 /*! |
|
1002 Closes the D-Bus map and allow extracting of the next element |
|
1003 after the map. |
|
1004 |
|
1005 \sa beginMap() |
|
1006 */ |
|
1007 void QDBusArgument::endMap() const |
|
1008 { |
|
1009 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
1010 d = d->demarshaller()->endMap(); |
|
1011 } |
|
1012 |
|
1013 /*! |
|
1014 Recurses into the D-Bus map entry to allow extraction |
|
1015 of the key and value pair. |
|
1016 |
|
1017 See beginMap() for an example of how this function is usually used. |
|
1018 |
|
1019 \sa endMapEntry(), beginMap() |
|
1020 */ |
|
1021 void QDBusArgument::beginMapEntry() const |
|
1022 { |
|
1023 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
1024 d = d->demarshaller()->beginMapEntry(); |
|
1025 } |
|
1026 |
|
1027 /*! |
|
1028 Closes the D-Bus map entry and allow extracting of the next element |
|
1029 on the map. |
|
1030 |
|
1031 \sa beginMapEntry() |
|
1032 */ |
|
1033 void QDBusArgument::endMapEntry() const |
|
1034 { |
|
1035 if (QDBusArgumentPrivate::checkReadAndDetach(d)) |
|
1036 d = d->demarshaller()->endMapEntry(); |
|
1037 } |
|
1038 |
|
1039 /*! |
|
1040 Returns true if there are no more elements to be extracted from |
|
1041 this QDBusArgument. This function is usually used in QDBusArgument |
|
1042 objects returned from beginMap() and beginArray(). |
|
1043 */ |
|
1044 bool QDBusArgument::atEnd() const |
|
1045 { |
|
1046 if (QDBusArgumentPrivate::checkRead(d)) |
|
1047 return d->demarshaller()->atEnd(); |
|
1048 |
|
1049 return true; // at least, stop reading |
|
1050 } |
|
1051 |
|
1052 /*! |
|
1053 \since 4.5 |
|
1054 |
|
1055 Returns the current argument in the form of a QVariant. Basic |
|
1056 types will be decoded and returned in the QVariant, but for |
|
1057 complex types, this function will return a QDBusArgument object in |
|
1058 the QVariant. It is the caller's responsibility to decode the |
|
1059 argument (for example, by calling asVariant() in it). |
|
1060 |
|
1061 For example, if the current argument is an INT32, this function |
|
1062 will return a QVariant with an argument of type QVariant::Int. For |
|
1063 an array of INT32, it will return a QVariant containing a |
|
1064 QDBusArgument. |
|
1065 |
|
1066 If an error occurs or if there are no more arguments to decode |
|
1067 (i.e., we are at the end of the argument list), this function will |
|
1068 return an invalid QVariant. |
|
1069 |
|
1070 \sa atEnd() |
|
1071 */ |
|
1072 QVariant QDBusArgument::asVariant() const |
|
1073 { |
|
1074 if (QDBusArgumentPrivate::checkRead(d)) |
|
1075 return d->demarshaller()->toVariantInternal(); |
|
1076 |
|
1077 return QVariant(); |
|
1078 } |
|
1079 |
|
1080 QT_END_NAMESPACE |
|
1081 |
|
1082 // for optimization purposes, we include the marshallers here |
|
1083 #include "qdbusmarshaller.cpp" |
|
1084 #include "qdbusdemarshaller.cpp" |
|
1085 |
|
1086 QT_BEGIN_NAMESPACE |
|
1087 |
|
1088 // QDBusArgument operators |
|
1089 |
|
1090 const QDBusArgument &operator>>(const QDBusArgument &a, QVariant &v) |
|
1091 { |
|
1092 QDBusVariant dbv; |
|
1093 a >> dbv; |
|
1094 v = dbv.variant(); |
|
1095 return a; |
|
1096 } |
|
1097 |
|
1098 // QVariant types |
|
1099 #ifndef QDBUS_NO_SPECIALTYPES |
|
1100 const QDBusArgument &operator>>(const QDBusArgument &a, QDate &date) |
|
1101 { |
|
1102 int y, m, d; |
|
1103 a.beginStructure(); |
|
1104 a >> y >> m >> d; |
|
1105 a.endStructure(); |
|
1106 |
|
1107 if (y != 0 && m != 0 && d != 0) |
|
1108 date.setYMD(y, m, d); |
|
1109 else |
|
1110 date = QDate(); |
|
1111 return a; |
|
1112 } |
|
1113 |
|
1114 QDBusArgument &operator<<(QDBusArgument &a, const QDate &date) |
|
1115 { |
|
1116 a.beginStructure(); |
|
1117 if (date.isValid()) |
|
1118 a << date.year() << date.month() << date.day(); |
|
1119 else |
|
1120 a << 0 << 0 << 0; |
|
1121 a.endStructure(); |
|
1122 return a; |
|
1123 } |
|
1124 |
|
1125 const QDBusArgument &operator>>(const QDBusArgument &a, QTime &time) |
|
1126 { |
|
1127 int h, m, s, ms; |
|
1128 a.beginStructure(); |
|
1129 a >> h >> m >> s >> ms; |
|
1130 a.endStructure(); |
|
1131 |
|
1132 if (h < 0) |
|
1133 time = QTime(); |
|
1134 else |
|
1135 time.setHMS(h, m, s, ms); |
|
1136 return a; |
|
1137 } |
|
1138 |
|
1139 QDBusArgument &operator<<(QDBusArgument &a, const QTime &time) |
|
1140 { |
|
1141 a.beginStructure(); |
|
1142 if (time.isValid()) |
|
1143 a << time.hour() << time.minute() << time.second() << time.msec(); |
|
1144 else |
|
1145 a << -1 << -1 << -1 << -1; |
|
1146 a.endStructure(); |
|
1147 return a; |
|
1148 } |
|
1149 |
|
1150 const QDBusArgument &operator>>(const QDBusArgument &a, QDateTime &dt) |
|
1151 { |
|
1152 QDate date; |
|
1153 QTime time; |
|
1154 int timespec; |
|
1155 |
|
1156 a.beginStructure(); |
|
1157 a >> date >> time >> timespec; |
|
1158 a.endStructure(); |
|
1159 |
|
1160 dt = QDateTime(date, time, Qt::TimeSpec(timespec)); |
|
1161 return a; |
|
1162 } |
|
1163 |
|
1164 QDBusArgument &operator<<(QDBusArgument &a, const QDateTime &dt) |
|
1165 { |
|
1166 a.beginStructure(); |
|
1167 a << dt.date() << dt.time() << int(dt.timeSpec()); |
|
1168 a.endStructure(); |
|
1169 return a; |
|
1170 } |
|
1171 |
|
1172 const QDBusArgument &operator>>(const QDBusArgument &a, QRect &rect) |
|
1173 { |
|
1174 int x, y, width, height; |
|
1175 a.beginStructure(); |
|
1176 a >> x >> y >> width >> height; |
|
1177 a.endStructure(); |
|
1178 |
|
1179 rect.setRect(x, y, width, height); |
|
1180 return a; |
|
1181 } |
|
1182 |
|
1183 QDBusArgument &operator<<(QDBusArgument &a, const QRect &rect) |
|
1184 { |
|
1185 a.beginStructure(); |
|
1186 a << rect.x() << rect.y() << rect.width() << rect.height(); |
|
1187 a.endStructure(); |
|
1188 |
|
1189 return a; |
|
1190 } |
|
1191 |
|
1192 const QDBusArgument &operator>>(const QDBusArgument &a, QRectF &rect) |
|
1193 { |
|
1194 double x, y, width, height; |
|
1195 a.beginStructure(); |
|
1196 a >> x >> y >> width >> height; |
|
1197 a.endStructure(); |
|
1198 |
|
1199 rect.setRect(qreal(x), qreal(y), qreal(width), qreal(height)); |
|
1200 return a; |
|
1201 } |
|
1202 |
|
1203 QDBusArgument &operator<<(QDBusArgument &a, const QRectF &rect) |
|
1204 { |
|
1205 a.beginStructure(); |
|
1206 a << double(rect.x()) << double(rect.y()) << double(rect.width()) << double(rect.height()); |
|
1207 a.endStructure(); |
|
1208 |
|
1209 return a; |
|
1210 } |
|
1211 |
|
1212 const QDBusArgument &operator>>(const QDBusArgument &a, QSize &size) |
|
1213 { |
|
1214 a.beginStructure(); |
|
1215 a >> size.rwidth() >> size.rheight(); |
|
1216 a.endStructure(); |
|
1217 |
|
1218 return a; |
|
1219 } |
|
1220 |
|
1221 QDBusArgument &operator<<(QDBusArgument &a, const QSize &size) |
|
1222 { |
|
1223 a.beginStructure(); |
|
1224 a << size.width() << size.height(); |
|
1225 a.endStructure(); |
|
1226 |
|
1227 return a; |
|
1228 } |
|
1229 |
|
1230 const QDBusArgument &operator>>(const QDBusArgument &a, QSizeF &size) |
|
1231 { |
|
1232 double width, height; |
|
1233 a.beginStructure(); |
|
1234 a >> width >> height; |
|
1235 a.endStructure(); |
|
1236 |
|
1237 size.setWidth(qreal(width)); |
|
1238 size.setHeight(qreal(height)); |
|
1239 return a; |
|
1240 } |
|
1241 |
|
1242 QDBusArgument &operator<<(QDBusArgument &a, const QSizeF &size) |
|
1243 { |
|
1244 a.beginStructure(); |
|
1245 a << double(size.width()) << double(size.height()); |
|
1246 a.endStructure(); |
|
1247 |
|
1248 return a; |
|
1249 } |
|
1250 |
|
1251 const QDBusArgument &operator>>(const QDBusArgument &a, QPoint &pt) |
|
1252 { |
|
1253 a.beginStructure(); |
|
1254 a >> pt.rx() >> pt.ry(); |
|
1255 a.endStructure(); |
|
1256 |
|
1257 return a; |
|
1258 } |
|
1259 |
|
1260 QDBusArgument &operator<<(QDBusArgument &a, const QPoint &pt) |
|
1261 { |
|
1262 a.beginStructure(); |
|
1263 a << pt.x() << pt.y(); |
|
1264 a.endStructure(); |
|
1265 |
|
1266 return a; |
|
1267 } |
|
1268 |
|
1269 const QDBusArgument &operator>>(const QDBusArgument &a, QPointF &pt) |
|
1270 { |
|
1271 double x, y; |
|
1272 a.beginStructure(); |
|
1273 a >> x >> y; |
|
1274 a.endStructure(); |
|
1275 |
|
1276 pt.setX(qreal(x)); |
|
1277 pt.setY(qreal(y)); |
|
1278 return a; |
|
1279 } |
|
1280 |
|
1281 QDBusArgument &operator<<(QDBusArgument &a, const QPointF &pt) |
|
1282 { |
|
1283 a.beginStructure(); |
|
1284 a << double(pt.x()) << double(pt.y()); |
|
1285 a.endStructure(); |
|
1286 |
|
1287 return a; |
|
1288 } |
|
1289 |
|
1290 const QDBusArgument &operator>>(const QDBusArgument &a, QLine &line) |
|
1291 { |
|
1292 QPoint p1, p2; |
|
1293 a.beginStructure(); |
|
1294 a >> p1 >> p2; |
|
1295 a.endStructure(); |
|
1296 |
|
1297 line = QLine(p1, p2); |
|
1298 return a; |
|
1299 } |
|
1300 |
|
1301 QDBusArgument &operator<<(QDBusArgument &a, const QLine &line) |
|
1302 { |
|
1303 a.beginStructure(); |
|
1304 a << line.p1() << line.p2(); |
|
1305 a.endStructure(); |
|
1306 |
|
1307 return a; |
|
1308 } |
|
1309 |
|
1310 const QDBusArgument &operator>>(const QDBusArgument &a, QLineF &line) |
|
1311 { |
|
1312 QPointF p1, p2; |
|
1313 a.beginStructure(); |
|
1314 a >> p1 >> p2; |
|
1315 a.endStructure(); |
|
1316 |
|
1317 line = QLineF(p1, p2); |
|
1318 return a; |
|
1319 } |
|
1320 |
|
1321 QDBusArgument &operator<<(QDBusArgument &a, const QLineF &line) |
|
1322 { |
|
1323 a.beginStructure(); |
|
1324 a << line.p1() << line.p2(); |
|
1325 a.endStructure(); |
|
1326 |
|
1327 return a; |
|
1328 } |
|
1329 #endif |
|
1330 |
|
1331 QT_END_NAMESPACE |