annotate qt/QGlobal.d.inc @ 184:7d9db724ee1d

QObject is now non GC'ed, to better integrate to Qt memory management
author eldar
date Sat, 04 Jul 2009 13:04:46 +0000
parents df7dd6ef9e23
children d5af7c48b733
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
133
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1 module qt.QGlobal;
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2
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3 public import qt.qtd.Str;
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4
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5 version (Tango)
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6 {
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7 import tango.io.Stdout;
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8 void writeln(string s)
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9 {
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10 Stdout(s).newline;
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11 }
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12 }
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13 else
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14 import std.stdio;
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15
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16 template QT_BEGIN_NAMESPACE() {
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17 }
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18
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19 template QT_END_NAMESPACE() {
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20 }
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21
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22 template QT_BEGIN_HEADER() {
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23 }
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24
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25 template QT_END_HEADER() {
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26 }
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27
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28 mixin QT_BEGIN_HEADER;
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29 mixin QT_BEGIN_NAMESPACE;
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30
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31 extern(C) void __qtd_dummy() {}
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32
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33 version(cpp_shared)
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34 {
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35 extern (C) void __qtd_qtd_core_initCallBacks(void* toUtf8, void* dummy);
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36 static this() {
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37 __qtd_qtd_core_initCallBacks(&_d_toUtf8, &__qtd_dummy);
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38 }
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39 }
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40
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41 char[] tr(char[] arg) {
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42 return arg;
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43 }
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44
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45 const char[] QT_VERSION_STR = "@QTD_VERSION_STR@";
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46 const int QT_VERSION = @QTD_VERSION@;
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47
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48 /*
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49 can be used like #if (QT_VERSION >= QT_VERSION_CHECK(4, 4, 0))
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50 */
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51 int QT_VERSION_CHECK( ushort major, ushort minor, ushort patch )
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52 {
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53 return (major<<16)|(minor<<8)|(patch);
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54 }
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55 //TODO(katrina) get this from the C++ side
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56 const char[] QT_PACKAGEDATE_STR = "2008-09-27";
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57 //TODO(katrina) get this from the C++ side
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58 const char[] QT_PACKAGE_TAG = "gc9953de622c6a0f655322e0d9f5bd6dc2803b470";
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59
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60 /*
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61 Size-dependent types (architechture-dependent byte order)
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62
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63 Make sure to update QMetaType when changing these typedefs
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64 */
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65
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66 alias char qint8; /* 8 bit signed */
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67 alias char quint8; /* 8 bit unsigned */
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68 alias short qint16; /* 16 bit signed */
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69 alias ushort quint16; /* 16 bit unsigned */
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70 alias int qint32; /* 32 bit signed */
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71 alias uint quint32; /* 32 bit unsigned */
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72 alias long qint64; /* 64 bit signed */
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73 alias ulong quint64; /* 64 bit unsigned */
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74
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75 version (X86)
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76 {
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77 alias quint32 quintptr;
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78 alias qint32 qptrdiff;
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79 }
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80 else version (X86_64)
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81 {
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82 alias quint64 quintptr;
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83 alias qint64 qptrdiff;
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84 }
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85
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86 const byte QT_POINTER_SIZE = 8;
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87
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88 alias int QNoImplicitBoolCast;
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89
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90 alias double qreal;
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91
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92
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93 /*
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94 Utility macros and inline functions
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95 TODO(katrina) see if we need to do anything to make these
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96 able to be evaluated at compile time
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97 */
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98
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99 T qAbs(T)(T t) { return t >= 0 ? t : -t; }
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100
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101 int qRound(qreal d)
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102 { return d >= 0.0 ? cast(int)(d + 0.5) : cast(int)(d - cast(int)(d-1) + 0.5) + cast(int)(d-1); }
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103
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104 qint64 qRound64(qreal d)
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105 { return d >= 0.0 ? cast(qint64)(d + 0.5) : cast(qint64)(d - cast(qint64)(d-1) + 0.5) + cast(qint64)(d-1); }
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106
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107 T qMin(T)(T a,T b) { if (a < b) return a; return b; }
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108 T qMax(T)(T a, T b) { if (a < b) return b; return a; }
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109 T qBound(T)(T min, T val,T max) { return qMax(min, qMin(max, val)); }
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110
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111 /*
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112 Data stream functions are provided by many classes (defined in qdatastream.h)
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113 */
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114
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115 //class QDataStream;
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116
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117 /*
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118 System information
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119 */
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120
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121 class QSysInfo {
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122 public:
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123 enum Sizes {
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124 WordSize = ((void *).sizeof<<3)
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125 };
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126
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127 enum Endian {
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128 BigEndian,
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129 LittleEndian,
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130 ByteOrder = BigEndian
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131 };
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132 /* needed to bootstrap qmake */
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133 static const int ByteOrder;
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134
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135 enum WinVersion {
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136 WV_32s = 0x0001,
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137 WV_95 = 0x0002,
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138 WV_98 = 0x0003,
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139 WV_Me = 0x0004,
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140 WV_DOS_based= 0x000f,
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141
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142 WV_NT = 0x0010,
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143 WV_2000 = 0x0020,
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144 WV_XP = 0x0030,
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145 WV_2003 = 0x0040,
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146 WV_VISTA = 0x0080,
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147 WV_NT_based = 0x00f0,
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148
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149 WV_CE = 0x0100,
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150 WV_CENET = 0x0200,
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151 WV_CE_5 = 0x0300,
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152 WV_CE_6 = 0x0400,
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153 WV_CE_based = 0x0f00
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154 };
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155 static const WinVersion WindowsVersion;
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156 static WinVersion windowsVersion();
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157
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158 enum MacVersion {
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159 MV_Unknown = 0x0000,
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160
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161 /* version */
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162 MV_9 = 0x0001,
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163 MV_10_0 = 0x0002,
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164 MV_10_1 = 0x0003,
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165 MV_10_2 = 0x0004,
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166 MV_10_3 = 0x0005,
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167 MV_10_4 = 0x0006,
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168 MV_10_5 = 0x0007,
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169
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170 /* codenames */
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171 MV_CHEETAH = MV_10_0,
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172 MV_PUMA = MV_10_1,
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173 MV_JAGUAR = MV_10_2,
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174 MV_PANTHER = MV_10_3,
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175 MV_TIGER = MV_10_4,
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176 MV_LEOPARD = MV_10_5
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177 };
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178 static const MacVersion MacintoshVersion;
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179 };
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180
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181 char[] qVersion();
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182 bool qSharedBuild();
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183
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184 int qMacVersion() { return QSysInfo.MacintoshVersion; }
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185
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186 void qUnused(T)(T x) { cast(void) x; }
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187 void Q_UNUSED(T)(T x) { qUnused(x); }
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188
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189 /*
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190 Debugging and error handling
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191 */
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192
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193 //class QString;
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194 //char[] qPrintable(QString string) { string.toLocal8Bit().constData(); }
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195 //TODO(katrina) These should probably actually call into the c++ functions
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196 void qDebug( char[] str ) /* print debug message */
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197 { writeln(str); }
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198
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199 extern (C) void Qt_qWarning( char * );
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200
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201 void qWarning(char[] str) /* print warning message */
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202 { writeln(str); }
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203
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204 //QString qt_error_string(int errorCode = -1);
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205 void qCritical(char[] str) /* print critical message */
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206 { writeln(str); }
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207
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208 /*
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209 Forward declarations only.
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210
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211 In order to use the qDebug() stream, you must #include<QDebug>
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212 */
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213 //class QDebug;
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214 //class QNoDebug;
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215 //QDebug qDebug();
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216 //QDebug qWarning();
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217 //QDebug qCritical();
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218
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219 void qt_noop() {}
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220 //TODO(katrina) Implement these
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221 void qt_assert(char[] assertion, char[] file, int line);
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222
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223 void qt_assert_x(char[] where, char[] what, char[] file, int line);
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224
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225 void qt_check_pointer(char[], int);
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226
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227 enum QtMsgType { QtDebugMsg, QtWarningMsg, QtCriticalMsg, QtFatalMsg, QtSystemMsg = QtCriticalMsg };
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228
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229 void qt_message_output(QtMsgType, char[] buf);
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230 //class QtMsgHandler;
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231 //QtMsgHandler qInstallMsgHandler(QtMsgHandler);
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232
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233 // forward declaration, since qatomic.h needs qglobal.h
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234 class QBasicAtomicPointer(T);
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235
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236 // POD for Q_GLOBAL_STATIC
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237 class QGlobalStatic(T)
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238 {
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239 public:
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240 QBasicAtomicPointer!(T) pointer;
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241 bool destroyed;
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242 };
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243
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244 // Created as a function-local static to delete a QGlobalStatic<T>
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245 class QGlobalStaticDeleter(T)
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246 {
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247 public:
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248 QGlobalStatic!(T) globalStatic;
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249 this(QGlobalStatic!(T) _globalStatic) {
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250 globalStatic(_globalStatic);
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251 }
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252
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253 ~this()
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254 {
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255 delete globalStatic.pointer;
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256 globalStatic.pointer = 0;
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257 globalStatic.destroyed = true;
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258 }
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259 };
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260
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261 class QBool
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262 {
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263 bool b;
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264
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265 public:
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266 this(bool B) { b = B; }
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267 // void *() const
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268 // { return b ? static_cast<const void *>(this) : static_cast<const void *>(0); }
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269 }
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270
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271 bool qFuzzyCompare(double p1, double p2)
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272 {
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273 return (qAbs(p1 - p2) <= 0.000000000001 * qMin(qAbs(p1), qAbs(p2)));
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274 }
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275
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276 bool qFuzzyCompare(float p1, float p2)
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277 {
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278 return (qAbs(p1 - p2) <= 0.00001f * qMin(qAbs(p1), qAbs(p2)));
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279 }
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280
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281 /*
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282 This function tests a double for a null value. It doesn't
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283 check whether the actual value is 0 or close to 0, but whether
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284 it is binary 0.
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285 */
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286 bool qIsNull(double d)
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287 {
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288 union U {
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289 double d;
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290 quint64 u;
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291 };
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292 U val;
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293 val.d = d;
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294 return val.u == cast(quint64)(0);
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295 }
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296
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297 /*
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298 This function tests a float for a null value. It doesn't
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299 check whether the actual value is 0 or close to 0, but whether
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300 it is binary 0.
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301 */
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302 bool qIsNull(float f)
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303 {
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304 union U {
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305 float f;
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306 quint32 u;
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307 };
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308 U val;
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309 val.f = f;
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310 return val.u == 0u;
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311 }
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312
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313 /*
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314 Compilers which follow outdated template instantiation rules
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315 require a class to have a comparison operator to exist when
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316 a QList of this type is instantiated. It's not actually
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317 used in the list, though. Hence the dummy implementation.
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318 Just in case other code relies on it we better trigger a warning
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319 mandating a real implementation.
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320 */
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321
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322
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323 /*
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324 QTypeInfo - type trait functionality
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325 qIsDetached - data sharing functionality
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326 */
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327
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328 /*
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329 The catch-all template.
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330 */
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331
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332 bool qIsDetached(T)(T) { return true; }
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333
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334 class QTypeInfossss(T)
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335 {
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336 public:
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337 enum {
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338 isPointer = false,
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339 isComplex = true,
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340 isStatic = true,
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341 isLarge = ((T).sizeof>(void*).sizeof),
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342 isDummy = false
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343 };
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344 };
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345
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346 class QTypeInfo(T)
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347 {
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348 public:
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349 enum {
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350 isPointer = true,
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351 isComplex = false,
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352 isStatic = false,
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353 isLarge = false,
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354 isDummy = false
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355 };
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356 };
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357
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358
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359 /*
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360 Specialize a specific type with:
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361
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362 Q_DECLARE_TYPEINFO(type, flags);
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363
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364 where 'type' is the name of the type to specialize and 'flags' is
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365 logically-OR'ed combination of the flags below.
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366 */
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367 enum { /* TYPEINFO flags */
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368 Q_COMPLEX_TYPE = 0,
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369 Q_PRIMITIVE_TYPE = 0x1,
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370 Q_STATIC_TYPE = 0,
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371 Q_MOVABLE_TYPE = 0x2,
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372 Q_DUMMY_TYPE = 0x4
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373 };
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374
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375 /*
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376 Specialize a shared type with:
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377
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378 Q_DECLARE_SHARED(type);
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379
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380 where 'type' is the name of the type to specialize. NOTE: shared
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381 types must declare a 'bool isDetached(void) const;' member for this
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382 to work.
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383 */
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384 void qSwap_helper(T)(ref T value1, ref T value2, T*)
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385 {
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386 T t = value1;
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387 value1 = value2;
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388 value2 = t;
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389 }
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390 bool qIsDetached(T)(ref T t) { return t.isDetached(); }
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391 void qSwap_helper(T)(ref T value1, ref T value2, T*)
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392 {
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393 const T.DataPtr t = value1.data_ptr();
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394 value1.data_ptr() = value2.data_ptr();
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395 value2.data_ptr() = t;
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396 }
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397 void qSwap(T)(ref T value1, ref T value2)
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398 {
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399 const T.DataPtr t = value1.data_ptr();
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400 value1.data_ptr() = value2.data_ptr();
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401 value2.data_ptr() = t;
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402 }
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403
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404 /*
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405 QTypeInfo primitive specializations
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406 TODO(katrina) Find out what we need to do here
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407 */
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408 /*
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409 Q_DECLARE_TYPEINFO(bool, Q_PRIMITIVE_TYPE);
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410 Q_DECLARE_TYPEINFO(char, Q_PRIMITIVE_TYPE);
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411 Q_DECLARE_TYPEINFO(signed char, Q_PRIMITIVE_TYPE);
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412 Q_DECLARE_TYPEINFO(uchar, Q_PRIMITIVE_TYPE);
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413 Q_DECLARE_TYPEINFO(short, Q_PRIMITIVE_TYPE);
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414 Q_DECLARE_TYPEINFO(ushort, Q_PRIMITIVE_TYPE);
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415 Q_DECLARE_TYPEINFO(int, Q_PRIMITIVE_TYPE);
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416 Q_DECLARE_TYPEINFO(uint, Q_PRIMITIVE_TYPE);
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417 Q_DECLARE_TYPEINFO(long, Q_PRIMITIVE_TYPE);
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418 Q_DECLARE_TYPEINFO(ulong, Q_PRIMITIVE_TYPE);
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419 Q_DECLARE_TYPEINFO(qint64, Q_PRIMITIVE_TYPE);
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420 Q_DECLARE_TYPEINFO(quint64, Q_PRIMITIVE_TYPE);
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421 Q_DECLARE_TYPEINFO(float, Q_PRIMITIVE_TYPE);
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422 Q_DECLARE_TYPEINFO(double, Q_PRIMITIVE_TYPE);
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423 #ifndef Q_OS_DARWIN
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424 Q_DECLARE_TYPEINFO(long double, Q_PRIMITIVE_TYPE);
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425 #endif
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426 */
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427 /*
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428 These functions make it possible to use standard C++ functions with
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429 a similar name from Qt header files (especially template classes).
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parents:
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430 TODO(katrina) Implement these
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431 */
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432 void * qMalloc(size_t size);
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433 void qFree(void * ptr);
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434 void * qRealloc(void * ptr, size_t size);
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435 void * qMemCopy(void * dest, void * src, size_t n);
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436 void * qMemSet(void * dest, int c, size_t n);
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437
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438 struct QFlags(Enum)
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439 {
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440 private:
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441 alias void **Zero;
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442 int i;
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443
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444 public:
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diff changeset
445 alias Enum enum_type;
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446
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447 public static QFlags!(Enum) opCall(Enum)(QFlags f) {
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448 QFlags!(Enum) res;
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449 res.i = f.i;
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450 return res;
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451 }
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diff changeset
452
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453 public static QFlags opCall(Enum)(Enum f) {
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diff changeset
454 QFlags!(Enum) res;
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455 res.i = f;
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456 return res;
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diff changeset
457 }
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458
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diff changeset
459 public static QFlags opCall(Enum)(int f) {
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diff changeset
460 QFlags!(Enum) res;
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461 res.i = cast(Enum) f;
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parents:
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462 return res;
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463 }
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464
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465 // this(Zero = 0) : i(0) {}
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466 // this(QFlag f) : i(f) {}
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467
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parents:
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468 // QFlags!(Enum) opAssign(QFlags f) { i = f.i; return *this; }
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469 QFlags!(Enum) opAssign(int f) { i = f; return *this; }
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470 QFlags!(Enum) opAndAssign(int mask) { i &= mask; return *this; }
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471 QFlags!(Enum) opAndAssign(uint mask) { i &= mask; return *this; }
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parents:
diff changeset
472 QFlags!(Enum) opOrAssign(QFlags f) { i |= f.i; return *this; }
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473 QFlags!(Enum) opOrAssign(Enum f) { i |= f; return *this; }
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474 QFlags!(Enum) opXorAssign(QFlags f) { i ^= f.i; return *this; }
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parents:
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475 QFlags!(Enum) opXorAssign(Enum f) { i ^= f; return *this; }
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476
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parents:
diff changeset
477 int toInt() { return i; }
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parents:
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478
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diff changeset
479 QFlags!(Enum) opOr(QFlags f) { QFlags g; g.i = i | f.i; return g; }
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480 QFlags!(Enum) opOr(Enum f) { QFlags g; g.i = i | f; return g; }
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481 QFlags!(Enum) opXor(QFlags f) { QFlags g; g.i = i ^ f.i; return g; }
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482 QFlags!(Enum) opXor(Enum f) { QFlags g; g.i = i ^ f; return g; }
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483 QFlags!(Enum) opAnd(int mask) { QFlags g; g.i = i & mask; return g; }
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parents:
diff changeset
484 QFlags!(Enum) opAnd(uint mask) { QFlags g; g.i = i & mask; return g; }
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parents:
diff changeset
485 QFlags!(Enum) opAnd(Enum f) { QFlags g; g.i = i & f; return g; }
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486 QFlags!(Enum) opCom() { QFlags g; g.i = ~i; return g; }
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parents:
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487
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diff changeset
488 // bool operator!() { return !i; }
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parents:
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489
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diff changeset
490 // bool testFlag(Enum f) { return i & f; }
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parents:
diff changeset
491 }
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492
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parents:
diff changeset
493 /* TODO typesafety
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parents:
diff changeset
494 #define Q_DECLARE_FLAGS(Flags, Enum)\
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parents:
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495 typedef QFlags<Enum> Flags;
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parents:
diff changeset
496 #define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags) \
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parents:
diff changeset
497 QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) \
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parents:
diff changeset
498 { return QFlags<Flags::enum_type>(f1) | f2; } \
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parents:
diff changeset
499 QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) \
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diff changeset
500 { return f2 | f1; }
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501 */
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502
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parents:
diff changeset
503 char[] QT_TR_NOOP(char[] x) { return x; }
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parents:
diff changeset
504 char[] QT_TRANSLATE_NOOP(char[] s, char[] x) { return x; }
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parents:
diff changeset
505 char[] QT_TRANSLATE_NOOP3(char[] s, char[] x, char[] comment) { return x; }
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parents:
diff changeset
506
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parents:
diff changeset
507 //class QByteArray;
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parents:
diff changeset
508 //QByteArray qgetenv(char[] varName);
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parents:
diff changeset
509 //bool qputenv(char[] varName, QByteArray value);
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parents:
diff changeset
510
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parents:
diff changeset
511 int qIntCast(double f) { return cast(int)(f); }
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parents:
diff changeset
512 int qIntCast(float f) { return cast(int)(f); }
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diff changeset
513
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parents:
diff changeset
514 /*
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parents:
diff changeset
515 Reentrant versions of basic rand() functions for random number generation
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parents:
diff changeset
516 */
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parents:
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517 void qsrand(uint seed);
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parents:
diff changeset
518 int qrand();
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parents:
diff changeset
519
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parents:
diff changeset
520
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parents:
diff changeset
521 /*
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diff changeset
522 This gives us the possibility to check which modules the user can
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parents:
diff changeset
523 use. These are purely compile time checks and will generate no code.
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parents:
diff changeset
524 */
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diff changeset
525
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parents:
diff changeset
526 /* Qt modules */
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parents:
diff changeset
527
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diff changeset
528 const ushort QT_MODULE_CORE = 0x0001;
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parents:
diff changeset
529 const ushort QT_MODULE_GUI = 0x0002;
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parents:
diff changeset
530 const ushort QT_MODULE_NETWORK = 0x0004;
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parents:
diff changeset
531 const ushort QT_MODULE_OPENGL = 0x0008;
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parents:
diff changeset
532 const ushort QT_MODULE_SQL = 0x0010;
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parents:
diff changeset
533 const ushort QT_MODULE_XML = 0x0020;
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parents:
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534 const ushort QT_MODULE_QT3SUPPORTLIGHT = 0x0040;
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parents:
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535 const ushort QT_MODULE_QT3SUPPORT = 0x0080;
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parents:
diff changeset
536 const ushort QT_MODULE_SVG = 0x0100;
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parents:
diff changeset
537 const ushort QT_MODULE_ACTIVEQT = 0x0200;
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parents:
diff changeset
538 const ushort QT_MODULE_GRAPHICSVIEW = 0x0400;
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parents:
diff changeset
539 const ushort QT_MODULE_SCRIPT = 0x0800;
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parents:
diff changeset
540 const ushort QT_MODULE_XMLPATTERNS = 0x1000;
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parents:
diff changeset
541 const ushort QT_MODULE_HELP = 0x2000;
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parents:
diff changeset
542 const ushort QT_MODULE_TEST = 0x4000;
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parents:
diff changeset
543 const ushort QT_MODULE_DBUS = 0x8000;
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parents:
diff changeset
544
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parents:
diff changeset
545 /* Qt editions */
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parents:
diff changeset
546
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diff changeset
547 const ushort QT_EDITION_CONSOLE = (QT_MODULE_CORE
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parents:
diff changeset
548 | QT_MODULE_NETWORK
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parents:
diff changeset
549 | QT_MODULE_SQL
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parents:
diff changeset
550 | QT_MODULE_SCRIPT
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parents:
diff changeset
551 | QT_MODULE_XML
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parents:
diff changeset
552 | QT_MODULE_XMLPATTERNS
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parents:
diff changeset
553 | QT_MODULE_TEST
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parents:
diff changeset
554 | QT_MODULE_DBUS);
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parents:
diff changeset
555 const ushort QT_EDITION_DESKTOPLIGHT = (QT_MODULE_CORE
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parents:
diff changeset
556 | QT_MODULE_GUI
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parents:
diff changeset
557 | QT_MODULE_QT3SUPPORTLIGHT
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parents:
diff changeset
558 | QT_MODULE_TEST
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parents:
diff changeset
559 | QT_MODULE_DBUS);
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parents:
diff changeset
560 const ushort QT_EDITION_OPENSOURCE = (QT_MODULE_CORE
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parents:
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561 | QT_MODULE_GUI
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parents:
diff changeset
562 | QT_MODULE_NETWORK
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parents:
diff changeset
563 | QT_MODULE_OPENGL
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parents:
diff changeset
564 | QT_MODULE_SQL
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parents:
diff changeset
565 | QT_MODULE_XML
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parents:
diff changeset
566 | QT_MODULE_XMLPATTERNS
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parents:
diff changeset
567 | QT_MODULE_SCRIPT
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parents:
diff changeset
568 | QT_MODULE_QT3SUPPORTLIGHT
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parents:
diff changeset
569 | QT_MODULE_QT3SUPPORT
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parents:
diff changeset
570 | QT_MODULE_SVG
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parents:
diff changeset
571 | QT_MODULE_GRAPHICSVIEW
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parents:
diff changeset
572 | QT_MODULE_HELP
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parents:
diff changeset
573 | QT_MODULE_TEST
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parents:
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574 | QT_MODULE_DBUS);
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parents:
diff changeset
575 const ushort QT_EDITION_DESKTOP = (QT_EDITION_OPENSOURCE
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parents:
diff changeset
576 | QT_MODULE_ACTIVEQT);
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parents:
diff changeset
577 const ushort QT_EDITION_UNIVERSAL = QT_EDITION_DESKTOP;
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parents:
diff changeset
578 const ushort QT_EDITION_ACADEMIC = QT_EDITION_DESKTOP;
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parents:
diff changeset
579 const ushort QT_EDITION_EDUCATIONAL = QT_EDITION_DESKTOP;
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parents:
diff changeset
580 const ushort QT_EDITION_EVALUATION = QT_EDITION_DESKTOP;
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parents:
diff changeset
581
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parents:
diff changeset
582 mixin QT_END_NAMESPACE;
184
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
eldar
parents: 133
diff changeset
583
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
584 package import tango.stdc.stdlib,
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
585 tango.core.Memory;
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
586
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
587 private
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
eldar
parents: 133
diff changeset
588 struct Align
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
589 {
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
590 ubyte a;
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
591 void* b;
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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parents: 133
diff changeset
592 }
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
eldar
parents: 133
diff changeset
593
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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594 private
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595 const PTR_ALIGN = Align.tupleof[1].alignof;
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596
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597 version( X86 )
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598 const MEM_ALIGN = 8u;
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599 else
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600 static assert(false, "Unknown memory alignment for this platform.");
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601
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602 private
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603 template AlignPad(size_t base, size_t aligned)
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604 {
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605 static if( aligned == 0 )
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606 const AlignPad = base;
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607 else
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608 const AlignPad = ((base+PTR_ALIGN-1)/PTR_ALIGN)*PTR_ALIGN
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609 + aligned;
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610 }
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611
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612 template InstanceSize(T)
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613 {
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614 static if( is( T == Object ) )
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615 const InstanceSize = 2*(void*).sizeof;
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616 else
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617 const InstanceSize = Max!(
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618 AlignPad!(
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619 InstanceSize!(Super!(T)),
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620 InterfaceCount!(T)*(void*).sizeof),
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621
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622 AlignPad!(
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623 InstanceSizeImpl!(T, 0),
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624 + InterfaceCount!(T)*(void*).sizeof));
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625 }
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626
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627 private
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628 template Super(T)
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629 {
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630 static if( is( T S == super ) )
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631 alias First!(S) Super;
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632 else
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633 static assert(false, "Can't get super of "~T.mangleof);
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634 }
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635
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636 private
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637 template First(T)
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638 {
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639 alias T First;
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640 }
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641
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642 private
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643 template First(T, Ts...)
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644 {
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645 alias T First;
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646 }
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647
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648 private
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649 template InstanceSizeImpl(T, size_t i)
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650 {
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651 static if( i < T.tupleof.length )
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652 const InstanceSizeImpl = Max!(
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653 T.tupleof[i].offsetof + T.tupleof[i].sizeof,
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654 InstanceSizeImpl!(T, i+1));
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655 else
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656 // This is necessary to account for classes without member
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657 // variables.
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658 const InstanceSizeImpl = 2*(void*).sizeof;
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659 }
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660
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661 private
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662 template Max(size_t a, size_t b)
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663 {
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664 static if( a > b )
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665 const Max = a;
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666 else
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667 const Max = b;
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668 }
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669
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670 template InstanceSizeAligned(T, size_t alignment=MEM_ALIGN)
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671 {
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672 static if( alignment == 0 )
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673 const InstanceSizeAligned = InstanceSize!(T);
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674 else
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675 const uint InstanceSizeAligned
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676 = InstanceSizeAlignImpl!(T, alignment).result;
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677 }
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678
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679 private
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680 template InstanceSizeAlignedImpl(T, size_t alignment)
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681 {
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682 private const base_size = InstanceSize!(T);
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683 const result = ((base_size+alignment-1)/alignment)*alignment;
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684 }
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685
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686 private
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687 template InterfaceCount(T)
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688 {
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689 static if( is( T == Object ) )
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690 const InterfaceCount = 0u;
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691 else static if( is( T S == super ) )
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692 const InterfaceCount = InterfaceCountImpl!(S);
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693 }
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694
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695 private
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696 template InterfaceCountImpl(TBase, TInterfaces...)
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diff changeset
697 {
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698 const InterfaceCountImpl = TInterfaces.length;
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699 }
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700
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diff changeset
701 scope class StackObject(C)
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702 {
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diff changeset
703 byte[InstanceSize!(C)] data;
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704 bool constructed;
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705
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diff changeset
706 C opCall(A...)(A args)
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707 {
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diff changeset
708 assert(!constructed);
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709
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diff changeset
710 auto r = new(&data)C(args);
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711 r.__stackAllocated = true;
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712 constructed = true;
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713
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714 return r;
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715 }
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716
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diff changeset
717 ~this()
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718 {
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diff changeset
719 if (constructed)
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720 {
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diff changeset
721 auto obj = cast(C)&data;
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722 delete obj;
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723 }
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diff changeset
724 }
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725 }
7d9db724ee1d QObject is now non GC'ed, to better integrate to Qt memory management
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diff changeset
726
133
SokoL_SD
parents:
diff changeset
727 mixin QT_END_HEADER;