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1 | 1 | /* |
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2 | 2 | * |
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3 | 3 | * Copyright (C) 2006 MeVis Research GmbH All Rights Reserved. |
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4 | 4 | * |
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5 | 5 | * This library is free software; you can redistribute it and/or |
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6 | 6 | * modify it under the terms of the GNU Lesser General Public |
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7 | 7 | * License as published by the Free Software Foundation; either |
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8 | 8 | * version 2.1 of the License, or (at your option) any later version. |
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9 | 9 | * |
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10 | 10 | * This library is distributed in the hope that it will be useful, |
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11 | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 | 13 | * Lesser General Public License for more details. |
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14 | 14 | * |
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15 | 15 | * Further, this software is distributed without any warranty that it is |
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16 | 16 | * free of the rightful claim of any third person regarding infringement |
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17 | 17 | * or the like. Any license provided herein, whether implied or |
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18 | 18 | * otherwise, applies only to this software file. Patent licenses, if |
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19 | 19 | * any, provided herein do not apply to combinations of this program with |
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20 | 20 | * other software, or any other product whatsoever. |
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21 | 21 | * |
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22 | 22 | * You should have received a copy of the GNU Lesser General Public |
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23 | 23 | * License along with this library; if not, write to the Free Software |
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24 | 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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25 | 25 | * |
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26 | 26 | * Contact information: MeVis Research GmbH, Universitaetsallee 29, |
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27 | 27 | * 28359 Bremen, Germany or: |
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28 | 28 | * |
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29 | 29 | * http://www.mevis.de |
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30 | 30 | * |
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31 | 31 | */ |
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32 | 32 | |
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33 | 33 | //---------------------------------------------------------------------------------- |
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34 | 34 | /*! |
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35 | 35 | // \file PythonQt.cpp |
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36 | 36 | // \author Florian Link |
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37 | 37 | // \author Last changed by $Author: florian $ |
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38 | 38 | // \date 2006-05 |
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39 | 39 | */ |
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40 | 40 | //---------------------------------------------------------------------------------- |
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41 | 41 | |
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42 | 42 | #include "PythonQtClassInfo.h" |
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43 | 43 | #include "PythonQtMethodInfo.h" |
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44 | 44 | #include "PythonQt.h" |
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45 | 45 | #include <QMetaMethod> |
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46 | 46 | |
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47 | 47 | QHash<QByteArray, int> PythonQtMethodInfo::_parameterTypeDict; |
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48 | 48 | |
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49 | 49 | PythonQtClassInfo::PythonQtClassInfo() { |
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50 | 50 | _meta = NULL; |
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51 | 51 | _constructors = NULL; |
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52 | 52 | _destructor = NULL; |
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53 | 53 | _decoratorProvider = NULL; |
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54 | 54 | _decoratorProviderCB = NULL; |
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55 | 55 | _pythonQtClassWrapper = NULL; |
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56 | 56 | _shellSetInstanceWrapperCB = NULL; |
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57 | 57 | _metaTypeId = -1; |
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58 | 58 | _isQObject = false; |
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59 | 59 | } |
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60 | 60 | |
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61 | 61 | PythonQtClassInfo::~PythonQtClassInfo() |
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62 | 62 | { |
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63 | 63 | clearCachedMembers(); |
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64 | 64 | |
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65 | 65 | if (_constructors) { |
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66 | 66 | _constructors->deleteOverloadsAndThis(); |
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67 | 67 | } |
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68 | 68 | if (_destructor) { |
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69 | 69 | _destructor->deleteOverloadsAndThis(); |
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70 | 70 | } |
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71 | 71 | foreach(PythonQtSlotInfo* info, _decoratorSlots) { |
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72 | 72 | info->deleteOverloadsAndThis(); |
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73 | 73 | } |
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74 | 74 | } |
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75 | 75 | |
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76 | 76 | void PythonQtClassInfo::setupQObject(const QMetaObject* meta) |
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77 | 77 | { |
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78 | 78 | // _wrappedClassName is already set earlier in the class setup |
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79 | 79 | _isQObject = true; |
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80 | 80 | _meta = meta; |
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81 | 81 | } |
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82 | 82 | |
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83 | 83 | void PythonQtClassInfo::setupCPPObject(const QByteArray& classname) |
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84 | 84 | { |
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85 | 85 | _isQObject = false; |
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86 | 86 | _wrappedClassName = classname; |
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87 | 87 | _metaTypeId = QMetaType::type(classname); |
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88 | 88 | } |
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89 | 89 | |
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90 | 90 | void PythonQtClassInfo::clearCachedMembers() |
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91 | 91 | { |
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92 | 92 | QHashIterator<QByteArray, PythonQtMemberInfo> i(_cachedMembers); |
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93 | 93 | while (i.hasNext()) { |
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94 | 94 | PythonQtMemberInfo member = i.next().value(); |
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95 | 95 | if (member._type== PythonQtMemberInfo::Slot) { |
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96 | 96 | PythonQtSlotInfo* info = member._slot; |
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97 | 97 | while (info) { |
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98 | 98 | PythonQtSlotInfo* next = info->nextInfo(); |
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99 | 99 | delete info; |
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100 | 100 | info = next; |
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101 | 101 | } |
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102 | 102 | } |
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103 | 103 | } |
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104 | 104 | } |
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105 | 105 | |
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106 | 106 | int PythonQtClassInfo::findCharOffset(const char* sigStart, char someChar) |
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107 | 107 | { |
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108 | 108 | const char* sigEnd = sigStart; |
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109 | 109 | char c; |
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110 | 110 | do { |
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111 | 111 | c = *sigEnd++; |
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112 | 112 | } while (c!=someChar && c!=0); |
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113 | 113 | return sigEnd-sigStart-1; |
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114 | 114 | } |
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115 | 115 | |
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116 | 116 | bool PythonQtClassInfo::lookForPropertyAndCache(const char* memberName) |
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117 | 117 | { |
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118 | 118 | bool found = false; |
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119 | 119 | bool nameMapped = false; |
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120 | 120 | const char* attributeName = memberName; |
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121 | 121 | // look for properties |
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122 | 122 | int i = _meta->indexOfProperty(attributeName); |
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123 | 123 | if (i==-1) { |
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124 | 124 | // try to map name to objectName |
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125 | 125 | if (qstrcmp(attributeName, "name")==0) { |
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126 | 126 | attributeName = "objectName"; |
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127 | 127 | nameMapped = true; |
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128 | 128 | i = _meta->indexOfProperty(attributeName); |
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129 | 129 | } |
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130 | 130 | } |
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131 | 131 | if (i!=-1) { |
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132 | 132 | PythonQtMemberInfo newInfo(_meta->property(i)); |
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133 | 133 | _cachedMembers.insert(attributeName, newInfo); |
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134 | 134 | if (nameMapped) { |
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135 | 135 | _cachedMembers.insert(memberName, newInfo); |
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136 | 136 | } |
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137 | 137 | #ifdef PYTHONQT_DEBUG |
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138 | 138 | std::cout << "caching property " << memberName << " on " << _meta->className() << std::endl; |
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139 | 139 | #endif |
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140 | 140 | found = true; |
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141 | 141 | } |
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142 | 142 | return found; |
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143 | 143 | } |
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144 | 144 | |
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145 | 145 | PythonQtSlotInfo* PythonQtClassInfo::recursiveFindDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset) |
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146 | 146 | { |
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147 | 147 | inputInfo = findDecoratorSlotsFromDecoratorProvider(memberName, inputInfo, found, memberCache, upcastingOffset); |
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148 | 148 | foreach(const ParentClassInfo& info, _parentClasses) { |
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149 | 149 | inputInfo = info._parent->recursiveFindDecoratorSlotsFromDecoratorProvider(memberName, inputInfo, found, memberCache, upcastingOffset+info._upcastingOffset); |
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150 | 150 | } |
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151 | 151 | return inputInfo; |
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152 | 152 | } |
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153 | 153 | |
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154 | 154 | PythonQtSlotInfo* PythonQtClassInfo::findDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* tail, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset) { |
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155 | 155 | QObject* decoratorProvider = decorator(); |
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156 | 156 | int memberNameLen = strlen(memberName); |
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157 | 157 | if (decoratorProvider) { |
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158 | 158 | //qDebug()<< "looking " << decoratorProvider->metaObject()->className() << " " << memberName << " " << upcastingOffset; |
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159 | 159 | const QMetaObject* meta = decoratorProvider->metaObject(); |
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160 | 160 | int numMethods = meta->methodCount(); |
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161 | 161 | int startFrom = QObject::staticMetaObject.methodCount(); |
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162 | 162 | for (int i = startFrom; i < numMethods; i++) { |
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163 | 163 | QMetaMethod m = meta->method(i); |
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164 | 164 | if ((m.methodType() == QMetaMethod::Method || |
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165 | 165 | m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { |
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166 | 166 | |
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167 | 167 | const char* sigStart = m.signature(); |
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168 | 168 | bool isClassDeco = false; |
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169 | 169 | if (qstrncmp(sigStart, "static_", 7)==0) { |
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170 | 170 | // skip the static_classname_ part of the string |
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171 | 171 | sigStart += 7 + 1 + strlen(className()); |
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172 | 172 | isClassDeco = true; |
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173 | 173 | } else if (qstrncmp(sigStart, "new_", 4)==0) { |
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174 | 174 | isClassDeco = true; |
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175 | 175 | } else if (qstrncmp(sigStart, "delete_", 7)==0) { |
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176 | 176 | isClassDeco = true; |
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177 | 177 | } |
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178 | 178 | // find the first '(' |
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179 | 179 | int offset = findCharOffset(sigStart, '('); |
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180 | 180 | |
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181 | 181 | // XXX no checking is currently done if the slots have correct first argument or not... |
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182 | 182 | |
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183 | 183 | // check if same length and same name |
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184 | 184 | if (memberNameLen == offset && qstrncmp(memberName, sigStart, offset)==0) { |
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185 | 185 | found = true; |
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186 | 186 | PythonQtSlotInfo* info = new PythonQtSlotInfo(m, i, decoratorProvider, isClassDeco?PythonQtSlotInfo::ClassDecorator:PythonQtSlotInfo::InstanceDecorator); |
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187 | 187 | info->setUpcastingOffset(upcastingOffset); |
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188 | 188 | //qDebug()<< "adding " << decoratorProvider->metaObject()->className() << " " << memberName << " " << upcastingOffset; |
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189 | 189 | if (tail) { |
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190 | 190 | tail->setNextInfo(info); |
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191 | 191 | } else { |
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192 | 192 | PythonQtMemberInfo newInfo(info); |
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193 | 193 | memberCache.insert(memberName, newInfo); |
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194 | 194 | } |
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195 | 195 | tail = info; |
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196 | 196 | } |
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197 | 197 | } |
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198 | 198 | } |
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199 | 199 | } |
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200 | 200 | |
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201 | 201 | tail = findDecoratorSlots(memberName, memberNameLen, tail, found, memberCache, upcastingOffset); |
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202 | 202 | |
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203 | 203 | return tail; |
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204 | 204 | } |
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205 | 205 | |
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206 | 206 | bool PythonQtClassInfo::lookForMethodAndCache(const char* memberName) |
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207 | 207 | { |
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208 | 208 | bool found = false; |
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209 | 209 | int memberNameLen = strlen(memberName); |
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210 | 210 | PythonQtSlotInfo* tail = NULL; |
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211 | 211 | if (_meta) { |
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212 | 212 | int numMethods = _meta->methodCount(); |
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213 | 213 | for (int i = 0; i < numMethods; i++) { |
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214 | 214 | QMetaMethod m = _meta->method(i); |
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215 | 215 | if ((m.methodType() == QMetaMethod::Method || |
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216 | 216 | m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { |
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217 | 217 | |
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218 | 218 | const char* sigStart = m.signature(); |
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219 | 219 | // find the first '(' |
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220 | 220 | int offset = findCharOffset(sigStart, '('); |
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221 | 221 | |
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222 | 222 | // check if same length and same name |
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223 | 223 | if (memberNameLen == offset && qstrncmp(memberName, sigStart, offset)==0) { |
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224 | 224 | found = true; |
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225 | 225 | PythonQtSlotInfo* info = new PythonQtSlotInfo(m, i); |
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226 | 226 | if (tail) { |
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227 | 227 | tail->setNextInfo(info); |
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228 | 228 | } else { |
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229 | 229 | PythonQtMemberInfo newInfo(info); |
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230 | 230 | _cachedMembers.insert(memberName, newInfo); |
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231 | 231 | } |
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232 | 232 | tail = info; |
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233 | 233 | } |
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234 | 234 | } |
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235 | 235 | } |
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236 | 236 | } |
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237 | 237 | |
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238 | 238 | // look for dynamic decorators in this class and in derived classes |
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239 | 239 | tail = recursiveFindDecoratorSlotsFromDecoratorProvider(memberName, tail, found, _cachedMembers, 0); |
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240 | 240 | |
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241 | 241 | return found; |
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242 | 242 | } |
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243 | 243 | |
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244 | 244 | bool PythonQtClassInfo::lookForEnumAndCache(const QMetaObject* meta, const char* memberName) |
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245 | 245 | { |
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246 | 246 | bool found = false; |
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247 | 247 | // look for enum values |
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248 | 248 | int enumCount = meta->enumeratorCount(); |
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249 | 249 | for (int i=0;i<enumCount; i++) { |
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250 | 250 | QMetaEnum e = meta->enumerator(i); |
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251 | 251 | for (int j=0; j < e.keyCount(); j++) { |
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252 | 252 | if (qstrcmp(e.key(j), memberName)==0) { |
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253 | 253 | PythonQtMemberInfo newInfo(e.value(j)); |
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254 | 254 | _cachedMembers.insert(memberName, newInfo); |
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255 | 255 | #ifdef PYTHONQT_DEBUG |
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256 | 256 | std::cout << "caching enum " << memberName << " on " << meta->className() << std::endl; |
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257 | 257 | #endif |
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258 | 258 | found = true; |
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259 | 259 | break; |
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260 | 260 | } |
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261 | 261 | } |
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262 | 262 | } |
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263 | 263 | return found; |
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264 | 264 | } |
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265 | 265 | |
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266 | 266 | PythonQtMemberInfo PythonQtClassInfo::member(const char* memberName) |
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267 | 267 | { |
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268 | 268 | PythonQtMemberInfo info = _cachedMembers.value(memberName); |
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269 | 269 | if (info._type != PythonQtMemberInfo::Invalid) { |
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270 | 270 | return info; |
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271 | 271 | } else { |
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272 | 272 | bool found = false; |
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273 | 273 | |
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274 | 274 | found = lookForPropertyAndCache(memberName); |
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275 | 275 | if (!found) { |
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276 | 276 | found = lookForMethodAndCache(memberName); |
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277 | 277 | } |
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278 | 278 | if (!found) { |
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279 | 279 | if (_meta) { |
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280 | 280 | // check enums in our meta object directly |
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281 | 281 | found = lookForEnumAndCache(_meta, memberName); |
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282 | 282 | } |
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283 | 283 | if (!found) { |
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284 | 284 | // check enums in the class hierachy of CPP classes |
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285 | 285 | // look for dynamic decorators in this class and in derived classes |
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286 | 286 | QList<QObject*> decoObjects; |
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287 | 287 | recursiveCollectDecoratorObjects(decoObjects); |
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288 | 288 | foreach(QObject* deco, decoObjects) { |
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289 | 289 | // call on ourself for caching, but with different metaObject(): |
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290 | 290 | found = lookForEnumAndCache(deco->metaObject(), memberName); |
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291 | 291 | if (found) { |
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292 | 292 | break; |
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293 | 293 | } |
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294 | 294 | } |
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295 | 295 | } |
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296 | 296 | } |
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297 | 297 | if (!found) { |
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298 | 298 | // we store a NotFound member, so that we get a quick result for non existing members (e.g. operator_equal lookup) |
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299 | 299 | info._type = PythonQtMemberInfo::NotFound; |
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300 | 300 | _cachedMembers.insert(memberName, info); |
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301 | 301 | } |
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302 | 302 | } |
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303 | 303 | |
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304 | 304 | return _cachedMembers.value(memberName); |
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305 | 305 | } |
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306 | 306 | |
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307 | 307 | void PythonQtClassInfo::recursiveCollectDecoratorObjects(QList<QObject*>& decoratorObjects) { |
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308 | 308 | QObject* deco = decorator(); |
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309 | 309 | if (deco) { |
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310 | 310 | decoratorObjects.append(deco); |
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311 | 311 | } |
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312 | 312 | foreach(const ParentClassInfo& info, _parentClasses) { |
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313 | 313 | info._parent->recursiveCollectDecoratorObjects(decoratorObjects); |
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314 | 314 | } |
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315 | 315 | } |
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316 | 316 | |
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317 | 317 | void PythonQtClassInfo::recursiveCollectClassInfos(QList<PythonQtClassInfo*>& classInfoObjects) { |
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318 | 318 | classInfoObjects.append(this); |
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319 | 319 | foreach(const ParentClassInfo& info, _parentClasses) { |
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320 | 320 | info._parent->recursiveCollectClassInfos(classInfoObjects); |
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321 | 321 | } |
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322 | 322 | } |
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323 | 323 | |
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324 | 324 | PythonQtSlotInfo* PythonQtClassInfo::findDecoratorSlots(const char* memberName, int memberNameLen, PythonQtSlotInfo* tail, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset) |
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325 | 325 | { |
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326 | 326 | QListIterator<PythonQtSlotInfo*> it(_decoratorSlots); |
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327 | 327 | while (it.hasNext()) { |
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328 | 328 | |
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329 | 329 | PythonQtSlotInfo* infoOrig = it.next(); |
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330 | 330 | |
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331 | 331 | const char* sigStart = infoOrig->metaMethod()->signature(); |
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332 | 332 | if (qstrncmp("static_", sigStart, 7)==0) { |
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333 | 333 | sigStart += 7; |
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334 | 334 | sigStart += findCharOffset(sigStart, '_')+1; |
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335 | 335 | } |
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336 | 336 | int offset = findCharOffset(sigStart, '('); |
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337 | 337 | if (memberNameLen == offset && qstrncmp(memberName, sigStart, offset)==0) { |
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338 | 338 | //make a copy, otherwise we will have trouble on overloads! |
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339 | 339 | PythonQtSlotInfo* info = new PythonQtSlotInfo(*infoOrig); |
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340 | 340 | info->setUpcastingOffset(upcastingOffset); |
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341 | 341 | found = true; |
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342 | 342 | if (tail) { |
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343 | 343 | tail->setNextInfo(info); |
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344 | 344 | } else { |
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345 | 345 | PythonQtMemberInfo newInfo(info); |
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346 | 346 | memberCache.insert(memberName, newInfo); |
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347 | 347 | } |
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348 | 348 | tail = info; |
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349 | 349 | } |
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350 | 350 | } |
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351 | 351 | return tail; |
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352 | 352 | } |
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353 | 353 | |
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354 | 354 | void PythonQtClassInfo::listDecoratorSlotsFromDecoratorProvider(QStringList& list, bool metaOnly) { |
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355 | 355 | QObject* decoratorProvider = decorator(); |
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356 | 356 | if (decoratorProvider) { |
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357 | 357 | const QMetaObject* meta = decoratorProvider->metaObject(); |
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358 | 358 | int numMethods = meta->methodCount(); |
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359 | 359 | int startFrom = QObject::staticMetaObject.methodCount(); |
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360 | 360 | for (int i = startFrom; i < numMethods; i++) { |
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361 | 361 | QMetaMethod m = meta->method(i); |
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362 | 362 | if ((m.methodType() == QMetaMethod::Method || |
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363 | 363 | m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { |
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364 | 364 | |
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365 | 365 | const char* sigStart = m.signature(); |
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366 | 366 | bool isClassDeco = false; |
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367 | 367 | if (qstrncmp(sigStart, "static_", 7)==0) { |
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368 | 368 | // skip the static_classname_ part of the string |
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369 | 369 | sigStart += 7 + 1 + strlen(className()); |
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370 | 370 | isClassDeco = true; |
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371 | 371 | } else if (qstrncmp(sigStart, "new_", 4)==0) { |
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372 | 372 | continue; |
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373 | 373 | } else if (qstrncmp(sigStart, "delete_", 7)==0) { |
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374 | 374 | continue; |
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375 | 375 | } |
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376 | 376 | // find the first '(' |
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377 | 377 | int offset = findCharOffset(sigStart, '('); |
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378 | 378 | |
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379 | 379 | // XXX no checking is currently done if the slots have correct first argument or not... |
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380 | 380 | if (!metaOnly || isClassDeco) { |
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381 | 381 | list << QString::fromLatin1(sigStart, offset); |
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382 | 382 | } |
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383 | 383 | } |
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384 | 384 | } |
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385 | 385 | } |
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386 | 386 | |
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387 | 387 | // look for global decorator slots |
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388 | 388 | QListIterator<PythonQtSlotInfo*> it(_decoratorSlots); |
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389 | 389 | while (it.hasNext()) { |
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390 | 390 | PythonQtSlotInfo* slot = it.next(); |
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391 | 391 | if (metaOnly) { |
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392 | 392 | if (slot->isClassDecorator()) { |
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393 | 393 | QByteArray first = slot->slotName(); |
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394 | 394 | if (first.startsWith("static_")) { |
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395 | 395 | int idx = first.indexOf('_'); |
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396 | 396 | idx = first.indexOf('_', idx+1); |
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397 | 397 | first = first.mid(idx+1); |
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398 | 398 | } |
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399 | 399 | list << first; |
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400 | 400 | } |
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401 | 401 | } else { |
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402 | 402 | list << slot->slotName(); |
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403 | 403 | } |
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404 | 404 | } |
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405 | 405 | } |
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406 | 406 | |
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407 |
QStringList PythonQtClassInfo:: |
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407 | QStringList PythonQtClassInfo::propertyList() | |
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408 | 408 | { |
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409 | decorator(); | |
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410 | ||
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411 | 409 | QStringList l; |
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412 | QString h; | |
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413 | if (_isQObject && _meta && !metaOnly) { | |
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410 | if (_isQObject && _meta) { | |
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414 | 411 | int i; |
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415 | 412 | int numProperties = _meta->propertyCount(); |
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416 | 413 | for (i = 0; i < numProperties; i++) { |
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417 | 414 | QMetaProperty p = _meta->property(i); |
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418 | 415 | l << QString(p.name()); |
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419 | 416 | } |
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420 | 417 | } |
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418 | return l; | |
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419 | } | |
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420 | ||
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421 | QStringList PythonQtClassInfo::memberList(bool metaOnly) | |
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422 | { | |
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423 | decorator(); | |
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424 | ||
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425 | QStringList l; | |
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426 | QString h; | |
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427 | if (_isQObject && _meta && !metaOnly) { | |
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428 | l = propertyList(); | |
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429 | } | |
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421 | 430 | |
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422 | 431 | // normal slots of QObject (or wrapper QObject) |
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423 | 432 | if (!metaOnly && _meta) { |
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424 | 433 | int numMethods = _meta->methodCount(); |
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425 | 434 | bool skipQObj = !_isQObject; |
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426 | 435 | for (int i = skipQObj?QObject::staticMetaObject.methodCount():0; i < numMethods; i++) { |
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427 | 436 | QMetaMethod m = _meta->method(i); |
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428 | 437 | if ((m.methodType() == QMetaMethod::Method || |
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429 | 438 | m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { |
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430 | 439 | QByteArray signa(m.signature()); |
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431 | 440 | if (signa.startsWith("new_")) continue; |
|
432 | 441 | if (signa.startsWith("delete_")) continue; |
|
433 | 442 | if (signa.startsWith("static_")) continue; |
|
434 | 443 | PythonQtSlotInfo slot(m, i); |
|
435 | 444 | l << slot.slotName(); |
|
436 | 445 | } |
|
437 | 446 | } |
|
438 | 447 | } |
|
439 | 448 | |
|
440 | 449 | { |
|
441 | 450 | // look for dynamic decorators in this class and in derived classes |
|
442 | 451 | QList<PythonQtClassInfo*> infos; |
|
443 | 452 | recursiveCollectClassInfos(infos); |
|
444 | 453 | foreach(PythonQtClassInfo* info, infos) { |
|
445 | 454 | info->listDecoratorSlotsFromDecoratorProvider(l, metaOnly); |
|
446 | 455 | } |
|
447 | 456 | } |
|
448 | 457 | |
|
449 | 458 | // List enumerator keys... |
|
450 | 459 | QList<const QMetaObject*> enumMetaObjects; |
|
451 | 460 | if (_meta) { |
|
452 | 461 | enumMetaObjects << _meta; |
|
453 | 462 | } |
|
454 | 463 | // check enums in the class hierachy of CPP classes |
|
455 | 464 | QList<QObject*> decoObjects; |
|
456 | 465 | recursiveCollectDecoratorObjects(decoObjects); |
|
457 | 466 | foreach(QObject* deco, decoObjects) { |
|
458 | 467 | enumMetaObjects << deco->metaObject(); |
|
459 | 468 | } |
|
460 | 469 | |
|
461 | 470 | foreach(const QMetaObject* meta, enumMetaObjects) { |
|
462 | 471 | for (int i = 0; i<meta->enumeratorCount(); i++) { |
|
463 | 472 | QMetaEnum e = meta->enumerator(i); |
|
464 | 473 | for (int j=0; j < e.keyCount(); j++) { |
|
465 | 474 | l << QString(e.key(j)); |
|
466 | 475 | } |
|
467 | 476 | } |
|
468 | 477 | } |
|
469 | 478 | |
|
470 | 479 | return QSet<QString>::fromList(l).toList(); |
|
471 | 480 | } |
|
472 | 481 | |
|
473 | 482 | const char* PythonQtClassInfo::className() |
|
474 | 483 | { |
|
475 | 484 | return _wrappedClassName.constData(); |
|
476 | 485 | } |
|
477 | 486 | |
|
478 | 487 | void* PythonQtClassInfo::castTo(void* ptr, const char* classname) |
|
479 | 488 | { |
|
480 | 489 | if (ptr==NULL) { |
|
481 | 490 | return NULL; |
|
482 | 491 | } |
|
483 | 492 | if (_wrappedClassName == classname) { |
|
484 | 493 | return ptr; |
|
485 | 494 | } |
|
486 | 495 | foreach(const ParentClassInfo& info, _parentClasses) { |
|
487 | 496 | void* result = info._parent->castTo((char*)ptr + info._upcastingOffset, classname); |
|
488 | 497 | if (result) { |
|
489 | 498 | return result; |
|
490 | 499 | } |
|
491 | 500 | } |
|
492 | 501 | return NULL; |
|
493 | 502 | } |
|
494 | 503 | |
|
495 | 504 | bool PythonQtClassInfo::inherits(const char* name) |
|
496 | 505 | { |
|
497 | 506 | if (_wrappedClassName == name) { |
|
498 | 507 | return true; |
|
499 | 508 | } |
|
500 | 509 | foreach(const ParentClassInfo& info, _parentClasses) { |
|
501 | 510 | if (info._parent->inherits(name)) { |
|
502 | 511 | return true; |
|
503 | 512 | } |
|
504 | 513 | } |
|
505 | 514 | return false; |
|
506 | 515 | } |
|
507 | 516 | |
|
508 | 517 | bool PythonQtClassInfo::inherits(PythonQtClassInfo* classInfo) |
|
509 | 518 | { |
|
510 | 519 | if (classInfo == this) { |
|
511 | 520 | return true; |
|
512 | 521 | } |
|
513 | 522 | foreach(const ParentClassInfo& info, _parentClasses) { |
|
514 | 523 | if (info._parent->inherits(classInfo)) { |
|
515 | 524 | return true; |
|
516 | 525 | } |
|
517 | 526 | } |
|
518 | 527 | return false; |
|
519 | 528 | } |
|
520 | 529 | |
|
521 | 530 | QString PythonQtClassInfo::help() |
|
522 | 531 | { |
|
523 | 532 | decorator(); |
|
524 | 533 | QString h; |
|
525 | 534 | h += QString("--- ") + QString(className()) + QString(" ---\n"); |
|
526 | 535 | |
|
527 | 536 | if (_isQObject) { |
|
528 | 537 | h += "Properties:\n"; |
|
529 | 538 | |
|
530 | 539 | int i; |
|
531 | 540 | int numProperties = _meta->propertyCount(); |
|
532 | 541 | for (i = 0; i < numProperties; i++) { |
|
533 | 542 | QMetaProperty p = _meta->property(i); |
|
534 | 543 | h += QString(p.name()) + " (" + QString(p.typeName()) + " )\n"; |
|
535 | 544 | } |
|
536 | 545 | } |
|
537 | 546 | |
|
538 | 547 | if (constructors()) { |
|
539 | 548 | h += "Constructors:\n"; |
|
540 | 549 | PythonQtSlotInfo* constr = constructors(); |
|
541 | 550 | while (constr) { |
|
542 | 551 | h += constr->fullSignature() + "\n"; |
|
543 | 552 | constr = constr->nextInfo(); |
|
544 | 553 | } |
|
545 | 554 | } |
|
546 | 555 | |
|
547 | 556 | h += "Slots:\n"; |
|
548 | 557 | h += "QString help()\n"; |
|
549 | 558 | h += "QString className()\n"; |
|
550 | 559 | |
|
551 | 560 | if (_meta) { |
|
552 | 561 | int numMethods = _meta->methodCount(); |
|
553 | 562 | for (int i = 0; i < numMethods; i++) { |
|
554 | 563 | QMetaMethod m = _meta->method(i); |
|
555 | 564 | if ((m.methodType() == QMetaMethod::Method || |
|
556 | 565 | m.methodType() == QMetaMethod::Slot) && m.access() == QMetaMethod::Public) { |
|
557 | 566 | QByteArray signa(m.signature()); |
|
558 | 567 | if (signa.startsWith("new_")) continue; |
|
559 | 568 | if (signa.startsWith("delete_")) continue; |
|
560 | 569 | if (signa.startsWith("static_")) continue; |
|
561 | 570 | PythonQtSlotInfo slot(m, i); |
|
562 | 571 | h += slot.fullSignature()+ "\n"; |
|
563 | 572 | } |
|
564 | 573 | } |
|
565 | 574 | } |
|
566 | 575 | |
|
567 | 576 | // TODO xxx : decorators and enums from decorator() are missing... |
|
568 | 577 | // maybe we can reuse memberlist()? |
|
569 | 578 | |
|
570 | 579 | if (_meta && _meta->enumeratorCount()) { |
|
571 | 580 | h += "Enums:\n"; |
|
572 | 581 | for (int i = 0; i<_meta->enumeratorCount(); i++) { |
|
573 | 582 | QMetaEnum e = _meta->enumerator(i); |
|
574 | 583 | h += QString(e.name()) + " {"; |
|
575 | 584 | for (int j=0; j < e.keyCount(); j++) { |
|
576 | 585 | if (j) { h+= ", "; } |
|
577 | 586 | h += e.key(j); |
|
578 | 587 | } |
|
579 | 588 | h += " }\n"; |
|
580 | 589 | } |
|
581 | 590 | } |
|
582 | 591 | |
|
583 | 592 | if (_isQObject && _meta) { |
|
584 | 593 | int numMethods = _meta->methodCount(); |
|
585 | 594 | if (numMethods>0) { |
|
586 | 595 | h += "Signals:\n"; |
|
587 | 596 | for (int i = 0; i < numMethods; i++) { |
|
588 | 597 | QMetaMethod m = _meta->method(i); |
|
589 | 598 | if (m.methodType() == QMetaMethod::Signal) { |
|
590 | 599 | h += QString(m.signature()) + "\n"; |
|
591 | 600 | } |
|
592 | 601 | } |
|
593 | 602 | } |
|
594 | 603 | } |
|
595 | 604 | return h; |
|
596 | 605 | } |
|
597 | 606 | |
|
598 | 607 | PythonQtSlotInfo* PythonQtClassInfo::constructors() |
|
599 | 608 | { |
|
600 | 609 | if (!_constructors) { |
|
601 | 610 | // force creation of lazy decorator, which will register the decorators |
|
602 | 611 | decorator(); |
|
603 | 612 | } |
|
604 | 613 | return _constructors; |
|
605 | 614 | } |
|
606 | 615 | |
|
607 | 616 | PythonQtSlotInfo* PythonQtClassInfo::destructor() |
|
608 | 617 | { |
|
609 | 618 | if (!_destructor) { |
|
610 | 619 | // force creation of lazy decorator, which will register the decorators |
|
611 | 620 | decorator(); |
|
612 | 621 | } |
|
613 | 622 | return _destructor; |
|
614 | 623 | } |
|
615 | 624 | |
|
616 | 625 | void PythonQtClassInfo::addConstructor(PythonQtSlotInfo* info) |
|
617 | 626 | { |
|
618 | 627 | PythonQtSlotInfo* prev = constructors(); |
|
619 | 628 | if (prev) { |
|
620 | 629 | info->setNextInfo(prev->nextInfo()); |
|
621 | 630 | prev->setNextInfo(info); |
|
622 | 631 | } else { |
|
623 | 632 | _constructors = info; |
|
624 | 633 | } |
|
625 | 634 | } |
|
626 | 635 | |
|
627 | 636 | void PythonQtClassInfo::addDecoratorSlot(PythonQtSlotInfo* info) |
|
628 | 637 | { |
|
629 | 638 | _decoratorSlots.append(info); |
|
630 | 639 | } |
|
631 | 640 | |
|
632 | 641 | void PythonQtClassInfo::setDestructor(PythonQtSlotInfo* info) |
|
633 | 642 | { |
|
634 | 643 | if (_destructor) { |
|
635 | 644 | _destructor->deleteOverloadsAndThis(); |
|
636 | 645 | } |
|
637 | 646 | _destructor = info; |
|
638 | 647 | } |
|
639 | 648 | |
|
640 | 649 | void PythonQtClassInfo::setMetaObject(const QMetaObject* meta) |
|
641 | 650 | { |
|
642 | 651 | _meta = meta; |
|
643 | 652 | clearCachedMembers(); |
|
644 | 653 | } |
|
645 | 654 | |
|
646 | 655 | QObject* PythonQtClassInfo::decorator() |
|
647 | 656 | { |
|
648 | 657 | if (!_decoratorProvider && _decoratorProviderCB) { |
|
649 | 658 | _decoratorProvider = (*_decoratorProviderCB)(); |
|
650 | 659 | if (_decoratorProvider) { |
|
651 | 660 | _decoratorProvider->setParent(PythonQt::priv()); |
|
652 | 661 | PythonQt::priv()->addDecorators(_decoratorProvider, PythonQtPrivate::ConstructorDecorator | PythonQtPrivate::DestructorDecorator); |
|
653 | 662 | } |
|
654 | 663 | } |
|
655 | 664 | return _decoratorProvider; |
|
656 | 665 | } |
|
657 | 666 | |
|
658 | 667 | bool PythonQtClassInfo::hasOwnerMethodButNoOwner(void* object) |
|
659 | 668 | { |
|
660 | 669 | PythonQtMemberInfo info = member("hasOwner"); |
|
661 | 670 | if (info._type == PythonQtMemberInfo::Slot) { |
|
662 | 671 | void* obj = object; |
|
663 | 672 | bool result = false; |
|
664 | 673 | void* args[2]; |
|
665 | 674 | args[0] = &result; |
|
666 | 675 | args[1] = &obj; |
|
667 | 676 | info._slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args); |
|
668 | 677 | return !result; |
|
669 | 678 | } else { |
|
670 | 679 | return false; |
|
671 | 680 | } |
|
672 | 681 | } |
|
673 | 682 | |
|
674 | 683 | void* PythonQtClassInfo::recursiveCastDownIfPossible(void* ptr, char** resultClassName) |
|
675 | 684 | { |
|
676 | 685 | if (!_polymorphicHandlers.isEmpty()) { |
|
677 | 686 | foreach(PythonQtPolymorphicHandlerCB* cb, _polymorphicHandlers) { |
|
678 | 687 | void* resultPtr = (*cb)(ptr, resultClassName); |
|
679 | 688 | if (resultPtr) { |
|
680 | 689 | return resultPtr; |
|
681 | 690 | } |
|
682 | 691 | } |
|
683 | 692 | } |
|
684 | 693 | foreach(const ParentClassInfo& info, _parentClasses) { |
|
685 | 694 | if (!info._parent->isQObject()) { |
|
686 | 695 | void* resultPtr = info._parent->recursiveCastDownIfPossible((char*)ptr + info._upcastingOffset, resultClassName); |
|
687 | 696 | if (resultPtr) { |
|
688 | 697 | return resultPtr; |
|
689 | 698 | } |
|
690 | 699 | } |
|
691 | 700 | } |
|
692 | 701 | return NULL; |
|
693 | 702 | } |
|
694 | 703 | |
|
695 | 704 | void* PythonQtClassInfo::castDownIfPossible(void* ptr, PythonQtClassInfo** resultClassInfo) |
|
696 | 705 | { |
|
697 | 706 | char* className; |
|
698 | 707 | // this would do downcasting recursively... |
|
699 | 708 | // void* resultPtr = recursiveCastDownIfPossible(ptr, &className); |
|
700 | 709 | |
|
701 | 710 | // we only do downcasting on the base object, not on the whole inheritance tree... |
|
702 | 711 | void* resultPtr = NULL; |
|
703 | 712 | if (!_polymorphicHandlers.isEmpty()) { |
|
704 | 713 | foreach(PythonQtPolymorphicHandlerCB* cb, _polymorphicHandlers) { |
|
705 | 714 | resultPtr = (*cb)(ptr, &className); |
|
706 | 715 | if (resultPtr) { |
|
707 | 716 | break; |
|
708 | 717 | } |
|
709 | 718 | } |
|
710 | 719 | } |
|
711 | 720 | if (resultPtr) { |
|
712 | 721 | *resultClassInfo = PythonQt::priv()->getClassInfo(className); |
|
713 | 722 | } else { |
|
714 | 723 | *resultClassInfo = this; |
|
715 | 724 | resultPtr = ptr; |
|
716 | 725 | } |
|
717 | 726 | return resultPtr; |
|
718 | 727 | } |
@@ -1,240 +1,243 | |||
|
1 | 1 | #ifndef _PYTHONQTCLASSINFO_H |
|
2 | 2 | #define _PYTHONQTCLASSINFO_H |
|
3 | 3 | |
|
4 | 4 | /* |
|
5 | 5 | * |
|
6 | 6 | * Copyright (C) 2006 MeVis Research GmbH All Rights Reserved. |
|
7 | 7 | * |
|
8 | 8 | * This library is free software; you can redistribute it and/or |
|
9 | 9 | * modify it under the terms of the GNU Lesser General Public |
|
10 | 10 | * License as published by the Free Software Foundation; either |
|
11 | 11 | * version 2.1 of the License, or (at your option) any later version. |
|
12 | 12 | * |
|
13 | 13 | * This library is distributed in the hope that it will be useful, |
|
14 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
15 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
16 | 16 | * Lesser General Public License for more details. |
|
17 | 17 | * |
|
18 | 18 | * Further, this software is distributed without any warranty that it is |
|
19 | 19 | * free of the rightful claim of any third person regarding infringement |
|
20 | 20 | * or the like. Any license provided herein, whether implied or |
|
21 | 21 | * otherwise, applies only to this software file. Patent licenses, if |
|
22 | 22 | * any, provided herein do not apply to combinations of this program with |
|
23 | 23 | * other software, or any other product whatsoever. |
|
24 | 24 | * |
|
25 | 25 | * You should have received a copy of the GNU Lesser General Public |
|
26 | 26 | * License along with this library; if not, write to the Free Software |
|
27 | 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
28 | 28 | * |
|
29 | 29 | * Contact information: MeVis Research GmbH, Universitaetsallee 29, |
|
30 | 30 | * 28359 Bremen, Germany or: |
|
31 | 31 | * |
|
32 | 32 | * http://www.mevis.de |
|
33 | 33 | * |
|
34 | 34 | */ |
|
35 | 35 | |
|
36 | 36 | #include <QMetaObject> |
|
37 | 37 | #include <QMetaMethod> |
|
38 | 38 | #include <QHash> |
|
39 | 39 | #include <QByteArray> |
|
40 | 40 | #include <QList> |
|
41 | 41 | #include "PythonQt.h" |
|
42 | 42 | |
|
43 | 43 | class PythonQtSlotInfo; |
|
44 | 44 | |
|
45 | 45 | struct PythonQtMemberInfo { |
|
46 | 46 | enum Type { |
|
47 | 47 | Invalid, Slot, EnumValue, Property, NotFound |
|
48 | 48 | }; |
|
49 | 49 | |
|
50 | 50 | PythonQtMemberInfo():_slot(NULL),_enumValue(0),_type(Invalid) { } |
|
51 | 51 | |
|
52 | 52 | PythonQtMemberInfo(PythonQtSlotInfo* info) { |
|
53 | 53 | _type = Slot; |
|
54 | 54 | _slot = info; |
|
55 | 55 | _enumValue = 0; |
|
56 | 56 | } |
|
57 | 57 | |
|
58 | 58 | PythonQtMemberInfo(unsigned int enumValue) { |
|
59 | 59 | _type = EnumValue; |
|
60 | 60 | _slot = NULL; |
|
61 | 61 | _enumValue = enumValue; |
|
62 | 62 | } |
|
63 | 63 | |
|
64 | 64 | PythonQtMemberInfo(const QMetaProperty& prop) { |
|
65 | 65 | _type = Property; |
|
66 | 66 | _slot = NULL; |
|
67 | 67 | _enumValue = 0; |
|
68 | 68 | _property = prop; |
|
69 | 69 | } |
|
70 | 70 | |
|
71 | 71 | Type _type; |
|
72 | 72 | |
|
73 | 73 | // TODO: this could be a union... |
|
74 | 74 | PythonQtSlotInfo* _slot; |
|
75 | 75 | unsigned int _enumValue; |
|
76 | 76 | QMetaProperty _property; |
|
77 | 77 | }; |
|
78 | 78 | |
|
79 | 79 | //! a class that stores all required information about a Qt object (and an optional associated C++ class name) |
|
80 | 80 | /*! for fast lookup of slots when calling the object from Python |
|
81 | 81 | */ |
|
82 | 82 | class PythonQtClassInfo { |
|
83 | 83 | |
|
84 | 84 | public: |
|
85 | 85 | PythonQtClassInfo(); |
|
86 | 86 | ~PythonQtClassInfo(); |
|
87 | 87 | |
|
88 | 88 | //! store information about parent classes |
|
89 | 89 | struct ParentClassInfo { |
|
90 | 90 | ParentClassInfo(PythonQtClassInfo* parent, int upcastingOffset=0):_parent(parent),_upcastingOffset(upcastingOffset) |
|
91 | 91 | {}; |
|
92 | 92 | |
|
93 | 93 | PythonQtClassInfo* _parent; |
|
94 | 94 | int _upcastingOffset; |
|
95 | 95 | }; |
|
96 | 96 | |
|
97 | 97 | |
|
98 | 98 | //! setup as a QObject, taking the meta object as meta information about the QObject |
|
99 | 99 | void setupQObject(const QMetaObject* meta); |
|
100 | 100 | |
|
101 | 101 | //! setup as a CPP (non-QObject), taking the classname |
|
102 | 102 | void setupCPPObject(const QByteArray& classname); |
|
103 | 103 | |
|
104 | 104 | //! get the Python method definition for a given slot name (without return type and signature) |
|
105 | 105 | PythonQtMemberInfo member(const char* member); |
|
106 | 106 | |
|
107 | 107 | //! get access to the constructor slot (which may be overloaded if there are multiple constructors) |
|
108 | 108 | PythonQtSlotInfo* constructors(); |
|
109 | 109 | |
|
110 | 110 | //! get access to the destructor slot |
|
111 | 111 | PythonQtSlotInfo* destructor(); |
|
112 | 112 | |
|
113 | 113 | //! add a constructor, ownership is passed to classinfo |
|
114 | 114 | void addConstructor(PythonQtSlotInfo* info); |
|
115 | 115 | |
|
116 | 116 | //! set a destructor, ownership is passed to classinfo |
|
117 | 117 | void setDestructor(PythonQtSlotInfo* info); |
|
118 | 118 | |
|
119 | 119 | //! add a decorator slot, ownership is passed to classinfo |
|
120 | 120 | void addDecoratorSlot(PythonQtSlotInfo* info); |
|
121 | 121 | |
|
122 | 122 | //! get the classname (either of the QObject or of the wrapped CPP object) |
|
123 | 123 | const char* className(); |
|
124 | 124 | |
|
125 | 125 | //! returns if the QObject |
|
126 | 126 | bool isQObject() { return _isQObject; } |
|
127 | 127 | |
|
128 | 128 | //! returns if the class is a CPP wrapper |
|
129 | 129 | bool isCPPWrapper() { return !_isQObject; } |
|
130 | 130 | |
|
131 | 131 | //! get the meta object |
|
132 | 132 | const QMetaObject* metaObject() { return _meta; } |
|
133 | 133 | |
|
134 | 134 | //! set the meta object, this will reset the caching |
|
135 | 135 | void setMetaObject(const QMetaObject* meta); |
|
136 | 136 | |
|
137 | 137 | //! returns if this class inherits from the given classname |
|
138 | 138 | bool inherits(const char* classname); |
|
139 | 139 | |
|
140 | 140 | //! returns if this class inherits from the given classinfo |
|
141 | 141 | bool inherits(PythonQtClassInfo* info); |
|
142 | 142 | |
|
143 | 143 | //! casts the given \c ptr to an object of type \c classname, returns the new pointer |
|
144 | 144 | //! which might be different to \c ptr due to C++ multiple inheritance |
|
145 | 145 | //! (if the cast is not possible or if ptr is NULL, NULL is returned) |
|
146 | 146 | void* castTo(void* ptr, const char* classname); |
|
147 | 147 | |
|
148 | 148 | //! get help string for the metaobject |
|
149 | 149 | QString help(); |
|
150 | 150 | |
|
151 | //! get list of all properties (on QObjects only, otherwise the list is empty) | |
|
152 | QStringList propertyList(); | |
|
153 | ||
|
151 | 154 | //! get list of all members |
|
152 | 155 | QStringList memberList(bool metaOnly = false); |
|
153 | 156 | |
|
154 | 157 | //! get the meta type id of this class (only valid for isCPPWrapper() == true) |
|
155 | 158 | int metaTypeId() { return _metaTypeId; } |
|
156 | 159 | |
|
157 | 160 | //! set an additional decorator provider that offers additional decorator slots for this class |
|
158 | 161 | void setDecoratorProvider(PythonQtQObjectCreatorFunctionCB* cb) { _decoratorProviderCB = cb; _decoratorProvider = NULL; } |
|
159 | 162 | |
|
160 | 163 | //! get the decorator qobject instance |
|
161 | 164 | QObject* decorator(); |
|
162 | 165 | |
|
163 | 166 | //! add the parent class info of a CPP object |
|
164 | 167 | void addParentClass(const ParentClassInfo& info) { _parentClasses.append(info); } |
|
165 | 168 | |
|
166 | 169 | //! check if the special method "hasOwner" is implemented and if it returns false, which means that the object may be destroyed |
|
167 | 170 | bool hasOwnerMethodButNoOwner(void* object); |
|
168 | 171 | |
|
169 | 172 | //! set the associated PythonQtClassWrapper (which handles instance creation of this type) |
|
170 | 173 | void setPythonQtClassWrapper(PyObject* obj) { _pythonQtClassWrapper = obj; } |
|
171 | 174 | |
|
172 | 175 | //! get the associated PythonQtClassWrapper (which handles instance creation of this type) |
|
173 | 176 | PyObject* pythonQtClassWrapper() { return _pythonQtClassWrapper; } |
|
174 | 177 | |
|
175 | 178 | //! set the shell set instance wrapper cb |
|
176 | 179 | void setShellSetInstanceWrapperCB(PythonQtShellSetInstanceWrapperCB* cb) { |
|
177 | 180 | _shellSetInstanceWrapperCB = cb; |
|
178 | 181 | } |
|
179 | 182 | |
|
180 | 183 | //! get the shell set instance wrapper cb |
|
181 | 184 | PythonQtShellSetInstanceWrapperCB* shellSetInstanceWrapperCB() { |
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182 | 185 | return _shellSetInstanceWrapperCB; |
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183 | 186 | } |
|
184 | 187 | |
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185 | 188 | //! add a handler for polymorphic downcasting |
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186 | 189 | void addPolymorphicHandler(PythonQtPolymorphicHandlerCB* cb) { _polymorphicHandlers.append(cb); } |
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187 | 190 | |
|
188 | 191 | //! cast the pointer down in the class hierarchy if a polymorphic handler allows to do that |
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189 | 192 | void* castDownIfPossible(void* ptr, PythonQtClassInfo** resultClassInfo); |
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190 | 193 | |
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191 | 194 | private: |
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192 | 195 | //! clear all cached members |
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193 | 196 | void clearCachedMembers(); |
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194 | 197 | |
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195 | 198 | void* recursiveCastDownIfPossible(void* ptr, char** resultClassName); |
|
196 | 199 | |
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197 | 200 | PythonQtSlotInfo* findDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset); |
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198 | 201 | void listDecoratorSlotsFromDecoratorProvider(QStringList& list, bool metaOnly); |
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199 | 202 | PythonQtSlotInfo* recursiveFindDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset); |
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200 | 203 | |
|
201 | 204 | void recursiveCollectClassInfos(QList<PythonQtClassInfo*>& classInfoObjects); |
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202 | 205 | void recursiveCollectDecoratorObjects(QList<QObject*>& decoratorObjects); |
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203 | 206 | |
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204 | 207 | bool lookForPropertyAndCache(const char* memberName); |
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205 | 208 | bool lookForMethodAndCache(const char* memberName); |
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206 | 209 | bool lookForEnumAndCache(const QMetaObject* m, const char* memberName); |
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207 | 210 | |
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208 | 211 | PythonQtSlotInfo* findDecoratorSlots(const char* memberName, int memberNameLen, PythonQtSlotInfo* tail, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset); |
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209 | 212 | int findCharOffset(const char* sigStart, char someChar); |
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210 | 213 | |
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211 | 214 | QHash<QByteArray, PythonQtMemberInfo> _cachedMembers; |
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212 | 215 | |
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213 | 216 | PythonQtSlotInfo* _constructors; |
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214 | 217 | PythonQtSlotInfo* _destructor; |
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215 | 218 | QList<PythonQtSlotInfo*> _decoratorSlots; |
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216 | 219 | |
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217 | 220 | const QMetaObject* _meta; |
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218 | 221 | |
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219 | 222 | QByteArray _wrappedClassName; |
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220 | 223 | QList<ParentClassInfo> _parentClasses; |
|
221 | 224 | |
|
222 | 225 | QList<PythonQtPolymorphicHandlerCB*> _polymorphicHandlers; |
|
223 | 226 | |
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224 | 227 | QObject* _decoratorProvider; |
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225 | 228 | PythonQtQObjectCreatorFunctionCB* _decoratorProviderCB; |
|
226 | 229 | |
|
227 | 230 | PyObject* _pythonQtClassWrapper; |
|
228 | 231 | |
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229 | 232 | PythonQtShellSetInstanceWrapperCB* _shellSetInstanceWrapperCB; |
|
230 | 233 | |
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231 | 234 | int _metaTypeId; |
|
232 | 235 | |
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233 | 236 | bool _isQObject; |
|
234 | 237 | |
|
235 | 238 | }; |
|
236 | 239 | |
|
237 | 240 | //--------------------------------------------------------------- |
|
238 | 241 | |
|
239 | 242 | |
|
240 | 243 | #endif |
@@ -1,567 +1,571 | |||
|
1 | 1 | /* |
|
2 | 2 | * |
|
3 | 3 | * Copyright (C) 2006 MeVis Research GmbH All Rights Reserved. |
|
4 | 4 | * |
|
5 | 5 | * This library is free software; you can redistribute it and/or |
|
6 | 6 | * modify it under the terms of the GNU Lesser General Public |
|
7 | 7 | * License as published by the Free Software Foundation; either |
|
8 | 8 | * version 2.1 of the License, or (at your option) any later version. |
|
9 | 9 | * |
|
10 | 10 | * This library is distributed in the hope that it will be useful, |
|
11 | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 | 13 | * Lesser General Public License for more details. |
|
14 | 14 | * |
|
15 | 15 | * Further, this software is distributed without any warranty that it is |
|
16 | 16 | * free of the rightful claim of any third person regarding infringement |
|
17 | 17 | * or the like. Any license provided herein, whether implied or |
|
18 | 18 | * otherwise, applies only to this software file. Patent licenses, if |
|
19 | 19 | * any, provided herein do not apply to combinations of this program with |
|
20 | 20 | * other software, or any other product whatsoever. |
|
21 | 21 | * |
|
22 | 22 | * You should have received a copy of the GNU Lesser General Public |
|
23 | 23 | * License along with this library; if not, write to the Free Software |
|
24 | 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
25 | 25 | * |
|
26 | 26 | * Contact information: MeVis Research GmbH, Universitaetsallee 29, |
|
27 | 27 | * 28359 Bremen, Germany or: |
|
28 | 28 | * |
|
29 | 29 | * http://www.mevis.de |
|
30 | 30 | * |
|
31 | 31 | */ |
|
32 | 32 | |
|
33 | 33 | //---------------------------------------------------------------------------------- |
|
34 | 34 | /*! |
|
35 | 35 | // \file PythonQtInstanceWrapper.cpp |
|
36 | 36 | // \author Florian Link |
|
37 | 37 | // \author Last changed by $Author: florian $ |
|
38 | 38 | // \date 2006-05 |
|
39 | 39 | */ |
|
40 | 40 | //---------------------------------------------------------------------------------- |
|
41 | 41 | |
|
42 | 42 | #include "PythonQtInstanceWrapper.h" |
|
43 | 43 | #include <QObject> |
|
44 | 44 | #include "PythonQt.h" |
|
45 | 45 | #include "PythonQtSlot.h" |
|
46 | 46 | #include "PythonQtClassInfo.h" |
|
47 | 47 | #include "PythonQtConversion.h" |
|
48 | 48 | #include "PythonQtClassWrapper.h" |
|
49 | 49 | |
|
50 | 50 | PythonQtClassInfo* PythonQtInstanceWrapperStruct::classInfo() |
|
51 | 51 | { |
|
52 | 52 | // take the class info from our type object |
|
53 | 53 | return ((PythonQtClassWrapper*)ob_type)->_classInfo; |
|
54 | 54 | } |
|
55 | 55 | |
|
56 | 56 | static void PythonQtInstanceWrapper_deleteObject(PythonQtInstanceWrapper* self, bool force = false) { |
|
57 | 57 | |
|
58 | 58 | // is this a C++ wrapper? |
|
59 | 59 | if (self->_wrappedPtr) { |
|
60 | 60 | //mlabDebugConst("Python","c++ wrapper removed " << self->_wrappedPtr << " " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1()); |
|
61 | 61 | |
|
62 | 62 | PythonQt::priv()->removeWrapperPointer(self->_wrappedPtr); |
|
63 | 63 | // we own our qobject, so we delete it now: |
|
64 | 64 | delete self->_obj; |
|
65 | 65 | self->_obj = NULL; |
|
66 | 66 | if (force || self->classInfo()->hasOwnerMethodButNoOwner(self->_wrappedPtr) || self->_ownedByPythonQt) { |
|
67 | 67 | int type = self->classInfo()->metaTypeId(); |
|
68 | 68 | if (self->_useQMetaTypeDestroy && type>=0) { |
|
69 | 69 | // use QMetaType to destroy the object |
|
70 | 70 | QMetaType::destroy(type, self->_wrappedPtr); |
|
71 | 71 | } else { |
|
72 | 72 | PythonQtSlotInfo* slot = self->classInfo()->destructor(); |
|
73 | 73 | if (slot) { |
|
74 | 74 | void* args[2]; |
|
75 | 75 | args[0] = NULL; |
|
76 | 76 | args[1] = &self->_wrappedPtr; |
|
77 | 77 | slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, slot->slotIndex(), args); |
|
78 | 78 | self->_wrappedPtr = NULL; |
|
79 | 79 | } else { |
|
80 | 80 | if (type>=0) { |
|
81 | 81 | // use QMetaType to destroy the object |
|
82 | 82 | QMetaType::destroy(type, self->_wrappedPtr); |
|
83 | 83 | } else { |
|
84 | 84 | // TODO: warn about not being able to destroy the object? |
|
85 | 85 | } |
|
86 | 86 | } |
|
87 | 87 | } |
|
88 | 88 | } |
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89 | 89 | } else { |
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90 | 90 | //mlabDebugConst("Python","qobject wrapper removed " << self->_obj->className() << " " << self->classInfo()->wrappedClassName().latin1()); |
|
91 | 91 | if (self->_objPointerCopy) { |
|
92 | 92 | PythonQt::priv()->removeWrapperPointer(self->_objPointerCopy); |
|
93 | 93 | } |
|
94 | 94 | if (self->_obj) { |
|
95 | 95 | if (force || self->_ownedByPythonQt) { |
|
96 | 96 | if (force || !self->_obj->parent()) { |
|
97 | 97 | delete self->_obj; |
|
98 | 98 | } |
|
99 | 99 | } else { |
|
100 | 100 | if (self->_obj->parent()==NULL) { |
|
101 | 101 | // tell someone who is interested that the qobject is no longer wrapped, if it has no parent |
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102 | 102 | PythonQt::qObjectNoLongerWrappedCB(self->_obj); |
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103 | 103 | } |
|
104 | 104 | } |
|
105 | 105 | } |
|
106 | 106 | } |
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107 | 107 | self->_obj = NULL; |
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108 | 108 | } |
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109 | 109 | |
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110 | 110 | static void PythonQtInstanceWrapper_dealloc(PythonQtInstanceWrapper* self) |
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111 | 111 | { |
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112 | 112 | PythonQtInstanceWrapper_deleteObject(self); |
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113 | 113 | self->_obj.~QPointer<QObject>(); |
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114 | 114 | self->ob_type->tp_free((PyObject*)self); |
|
115 | 115 | } |
|
116 | 116 | |
|
117 | 117 | static PyObject* PythonQtInstanceWrapper_new(PyTypeObject *type, PyObject * args, PyObject * /*kwds*/) |
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118 | 118 | { |
|
119 | 119 | //PythonQtClassWrapper *classType = (PythonQtClassWrapper*)type; |
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120 | 120 | PythonQtInstanceWrapper *self; |
|
121 | 121 | static PyObject* emptyTuple = NULL; |
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122 | 122 | if (emptyTuple==NULL) { |
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123 | 123 | emptyTuple = PyTuple_New(0); |
|
124 | 124 | } |
|
125 | 125 | |
|
126 | 126 | self = (PythonQtInstanceWrapper*)PyBaseObject_Type.tp_new(type, emptyTuple, NULL); |
|
127 | 127 | |
|
128 | 128 | if (self != NULL) { |
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129 | 129 | new (&self->_obj) QPointer<QObject>(); |
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130 | 130 | self->_wrappedPtr = NULL; |
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131 | 131 | self->_ownedByPythonQt = false; |
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132 | 132 | self->_useQMetaTypeDestroy = false; |
|
133 | 133 | self->_isShellInstance = false; |
|
134 | 134 | } |
|
135 | 135 | return (PyObject *)self; |
|
136 | 136 | } |
|
137 | 137 | |
|
138 | 138 | int PythonQtInstanceWrapper_init(PythonQtInstanceWrapper * self, PyObject * args, PyObject * kwds) |
|
139 | 139 | { |
|
140 | 140 | if (args == PythonQtPrivate::dummyTuple()) { |
|
141 | 141 | // we are called from the internal PythonQt API, so our data will be filled later on... |
|
142 | 142 | return 0; |
|
143 | 143 | } |
|
144 | 144 | |
|
145 | 145 | // we are called from python, try to construct our object |
|
146 | 146 | if (self->classInfo()->constructors()) { |
|
147 | 147 | void* directCPPPointer = NULL; |
|
148 | 148 | PythonQtSlotFunction_CallImpl(NULL, self->classInfo()->constructors(), args, kwds, NULL, &directCPPPointer); |
|
149 | 149 | if (PyErr_Occurred()) { |
|
150 | 150 | return -1; |
|
151 | 151 | } |
|
152 | 152 | if (directCPPPointer) { |
|
153 | 153 | // change ownershipflag to be owned by PythonQt |
|
154 | 154 | self->_ownedByPythonQt = true; |
|
155 | 155 | self->_useQMetaTypeDestroy = false; |
|
156 | 156 | if (self->classInfo()->isCPPWrapper()) { |
|
157 | 157 | self->_wrappedPtr = directCPPPointer; |
|
158 | 158 | // TODO xxx: if there is a wrapper factory, we might want to generate a wrapper for our class?! |
|
159 | 159 | } else { |
|
160 | 160 | self->setQObject((QObject*)directCPPPointer); |
|
161 | 161 | } |
|
162 | 162 | // register with PythonQt |
|
163 | 163 | PythonQt::priv()->addWrapperPointer(directCPPPointer, self); |
|
164 | 164 | |
|
165 | 165 | PythonQtShellSetInstanceWrapperCB* cb = self->classInfo()->shellSetInstanceWrapperCB(); |
|
166 | 166 | if (cb) { |
|
167 | 167 | // if we are a derived python class, we set the wrapper |
|
168 | 168 | // to activate the shell class, otherwise we just ignore that it is a shell... |
|
169 | 169 | // we detect it be checking if the type does not have PythonQtInstanceWrapper_Type as direct base class, |
|
170 | 170 | // which is the case for all non-python derived types |
|
171 | 171 | if (((PyObject*)self)->ob_type->tp_base != &PythonQtInstanceWrapper_Type) { |
|
172 | 172 | // set the wrapper and remember that we have a shell instance! |
|
173 | 173 | (*cb)(directCPPPointer, self); |
|
174 | 174 | self->_isShellInstance = true; |
|
175 | 175 | } |
|
176 | 176 | } |
|
177 | 177 | } |
|
178 | 178 | } else { |
|
179 | 179 | QString error = QString("No constructors available for ") + self->classInfo()->className(); |
|
180 | 180 | PyErr_SetString(PyExc_ValueError, error.toLatin1().data()); |
|
181 | 181 | return -1; |
|
182 | 182 | } |
|
183 | 183 | return 0; |
|
184 | 184 | } |
|
185 | 185 | |
|
186 | 186 | static PyObject *PythonQtInstanceWrapper_classname(PythonQtInstanceWrapper* obj) |
|
187 | 187 | { |
|
188 | 188 | return PyString_FromString(obj->ob_type->tp_name); |
|
189 | 189 | } |
|
190 | 190 | |
|
191 | 191 | static PyObject *PythonQtInstanceWrapper_help(PythonQtInstanceWrapper* obj) |
|
192 | 192 | { |
|
193 | 193 | return PythonQt::self()->helpCalled(obj->classInfo()); |
|
194 | 194 | } |
|
195 | 195 | |
|
196 | 196 | static PyObject *PythonQtInstanceWrapper_delete(PythonQtInstanceWrapper * self) |
|
197 | 197 | { |
|
198 | 198 | PythonQtInstanceWrapper_deleteObject(self, true); |
|
199 | 199 | Py_INCREF(Py_None); |
|
200 | 200 | return Py_None; |
|
201 | 201 | } |
|
202 | 202 | |
|
203 | 203 | |
|
204 | 204 | static PyMethodDef PythonQtInstanceWrapper_methods[] = { |
|
205 | 205 | {"className", (PyCFunction)PythonQtInstanceWrapper_classname, METH_NOARGS, |
|
206 | 206 | "Return the classname of the object" |
|
207 | 207 | }, |
|
208 | 208 | {"help", (PyCFunction)PythonQtInstanceWrapper_help, METH_NOARGS, |
|
209 | 209 | "Shows the help of available methods for this class" |
|
210 | 210 | }, |
|
211 | 211 | {"delete", (PyCFunction)PythonQtInstanceWrapper_delete, METH_NOARGS, |
|
212 | 212 | "Deletes the C++ object (at your own risk, my friend!)" |
|
213 | 213 | }, |
|
214 | 214 | {NULL, NULL, 0, NULL} /* Sentinel */ |
|
215 | 215 | }; |
|
216 | 216 | |
|
217 | 217 | |
|
218 | 218 | static PyObject *PythonQtInstanceWrapper_getattro(PyObject *obj,PyObject *name) |
|
219 | 219 | { |
|
220 | 220 | const char *attributeName; |
|
221 | 221 | PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj; |
|
222 | 222 | |
|
223 | 223 | if ((attributeName = PyString_AsString(name)) == NULL) { |
|
224 | 224 | return NULL; |
|
225 | 225 | } |
|
226 | 226 | |
|
227 | 227 | if (qstrcmp(attributeName, "__dict__")==0) { |
|
228 | QStringList l = wrapper->classInfo()->memberList(false); | |
|
229 |
|
|
|
228 | PyObject* dict = PyBaseObject_Type.tp_getattro(obj, name); | |
|
229 | dict = PyDict_Copy(dict); | |
|
230 | ||
|
231 | // only the properties are missing, the rest is already available from | |
|
232 | // PythonQtClassWrapper... | |
|
233 | QStringList l = wrapper->classInfo()->propertyList(); | |
|
230 | 234 | foreach (QString name, l) { |
|
231 | 235 | PyObject* o = PyObject_GetAttrString(obj, name.toLatin1().data()); |
|
236 | if (o) { | |
|
232 | 237 | PyDict_SetItemString(dict, name.toLatin1().data(), o); |
|
233 | 238 | Py_DECREF(o); |
|
239 | } else { | |
|
240 | std::cerr << "PythonQtInstanceWrapper: something is wrong, could not get attribute " << name.toLatin1().data(); | |
|
241 | } | |
|
234 | 242 | } |
|
235 | // TODO xxx: | |
|
236 | // this does include python member methods, but not attributes, from where can we get | |
|
237 | // the correct dict with the attributes of the derive | |
|
238 | ||
|
239 | 243 | // Note: we do not put children into the dict, is would look confusing?! |
|
240 | 244 | return dict; |
|
241 | 245 | } |
|
242 | 246 | |
|
243 | 247 | // first look in super, to return derived methods from base object first |
|
244 | 248 | PyObject* superAttr = PyBaseObject_Type.tp_getattro(obj, name); |
|
245 | 249 | if (superAttr) { |
|
246 | 250 | return superAttr; |
|
247 | 251 | } |
|
248 | 252 | PyErr_Clear(); |
|
249 | 253 | |
|
250 | 254 | if (!wrapper->_obj && !wrapper->_wrappedPtr) { |
|
251 | 255 | QString error = QString("Trying to read attribute '") + attributeName + "' from a destroyed " + wrapper->classInfo()->className() + " object"; |
|
252 | 256 | PyErr_SetString(PyExc_ValueError, error.toLatin1().data()); |
|
253 | 257 | return NULL; |
|
254 | 258 | } |
|
255 | 259 | |
|
256 | 260 | // mlabDebugConst("Python","get " << attributeName); |
|
257 | 261 | |
|
258 | 262 | // TODO: dynamic properties are missing |
|
259 | 263 | |
|
260 | 264 | PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); |
|
261 | 265 | switch (member._type) { |
|
262 | 266 | case PythonQtMemberInfo::Property: |
|
263 | 267 | if (wrapper->_obj) { |
|
264 | 268 | if (member._property.userType() != QVariant::Invalid) { |
|
265 | 269 | return PythonQtConv::QVariantToPyObject(member._property.read(wrapper->_obj)); |
|
266 | 270 | } else { |
|
267 | 271 | Py_INCREF(Py_None); |
|
268 | 272 | return Py_None; |
|
269 | 273 | } |
|
270 | 274 | } |
|
271 | 275 | break; |
|
272 | 276 | case PythonQtMemberInfo::Slot: |
|
273 | 277 | return PythonQtSlotFunction_New(member._slot, obj, NULL); |
|
274 | 278 | break; |
|
275 | 279 | case PythonQtMemberInfo::EnumValue: |
|
276 | 280 | return PyInt_FromLong(member._enumValue); |
|
277 | 281 | break; |
|
278 | 282 | default: |
|
279 | 283 | // is an invalid type, go on |
|
280 | 284 | break; |
|
281 | 285 | } |
|
282 | 286 | |
|
283 | 287 | // look for the interal methods (className(), help()) |
|
284 | 288 | PyObject* internalMethod = Py_FindMethod( PythonQtInstanceWrapper_methods, obj, (char*)attributeName); |
|
285 | 289 | if (internalMethod) { |
|
286 | 290 | return internalMethod; |
|
287 | 291 | } |
|
288 | 292 | PyErr_Clear(); |
|
289 | 293 | |
|
290 | 294 | if (wrapper->_obj) { |
|
291 | 295 | // look for a child |
|
292 | 296 | QObjectList children = wrapper->_obj->children(); |
|
293 | 297 | for (int i = 0; i < children.count(); i++) { |
|
294 | 298 | QObject *child = children.at(i); |
|
295 | 299 | if (child->objectName() == attributeName) { |
|
296 | 300 | return PythonQt::self()->priv()->wrapQObject(child); |
|
297 | 301 | } |
|
298 | 302 | } |
|
299 | 303 | } |
|
300 | 304 | |
|
301 | 305 | QString error = QString(wrapper->classInfo()->className()) + " has no attribute named '" + QString(attributeName) + "'"; |
|
302 | 306 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); |
|
303 | 307 | return NULL; |
|
304 | 308 | } |
|
305 | 309 | |
|
306 | 310 | static int PythonQtInstanceWrapper_setattro(PyObject *obj,PyObject *name,PyObject *value) |
|
307 | 311 | { |
|
308 | 312 | QString error; |
|
309 | 313 | char *attributeName; |
|
310 | 314 | PythonQtInstanceWrapper *wrapper = (PythonQtInstanceWrapper *)obj; |
|
311 | 315 | |
|
312 | 316 | if ((attributeName = PyString_AsString(name)) == NULL) |
|
313 | 317 | return -1; |
|
314 | 318 | |
|
315 | 319 | if (!wrapper->_obj) { |
|
316 | 320 | error = QString("Trying to set attribute '") + attributeName + "' on a destroyed " + wrapper->classInfo()->className() + " object"; |
|
317 | 321 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); |
|
318 | 322 | return -1; |
|
319 | 323 | } |
|
320 | 324 | |
|
321 | 325 | PythonQtMemberInfo member = wrapper->classInfo()->member(attributeName); |
|
322 | 326 | if (member._type == PythonQtMemberInfo::Property) { |
|
323 | 327 | QMetaProperty prop = member._property; |
|
324 | 328 | if (prop.isWritable()) { |
|
325 | 329 | QVariant v; |
|
326 | 330 | if (prop.isEnumType()) { |
|
327 | 331 | // this will give us either a string or an int, everything else will probably be an error |
|
328 | 332 | v = PythonQtConv::PyObjToQVariant(value); |
|
329 | 333 | } else { |
|
330 | 334 | int t = prop.userType(); |
|
331 | 335 | v = PythonQtConv::PyObjToQVariant(value, t); |
|
332 | 336 | } |
|
333 | 337 | bool success = false; |
|
334 | 338 | if (v.isValid()) { |
|
335 | 339 | success = prop.write(wrapper->_obj, v); |
|
336 | 340 | } |
|
337 | 341 | if (success) { |
|
338 | 342 | return 0; |
|
339 | 343 | } else { |
|
340 | 344 | error = QString("Property '") + attributeName + "' of type '" + |
|
341 | 345 | prop.typeName() + "' does not accept an object of type " |
|
342 | 346 | + QString(value->ob_type->tp_name) + " (" + PythonQtConv::PyObjGetRepresentation(value) + ")"; |
|
343 | 347 | } |
|
344 | 348 | } else { |
|
345 | 349 | error = QString("Property '") + attributeName + "' of " + obj->ob_type->tp_name + " object is not writable"; |
|
346 | 350 | } |
|
347 | 351 | } else if (member._type == PythonQtMemberInfo::Slot) { |
|
348 | 352 | error = QString("Slot '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; |
|
349 | 353 | } else if (member._type == PythonQtMemberInfo::EnumValue) { |
|
350 | 354 | error = QString("EnumValue '") + attributeName + "' can not be overwritten on " + obj->ob_type->tp_name + " object"; |
|
351 | 355 | } else if (member._type == PythonQtMemberInfo::NotFound) { |
|
352 | 356 | // if we are a derived python class, we allow setting attributes. |
|
353 | 357 | // if we are a direct CPP wrapper, we do NOT allow it, since |
|
354 | 358 | // it would be confusing to allow it because a wrapper will go away when it is not seen by python anymore |
|
355 | 359 | // and when it is recreated from a CPP pointer the attributes are gone... |
|
356 | 360 | if (obj->ob_type->tp_base != &PythonQtInstanceWrapper_Type) { |
|
357 | 361 | return PyBaseObject_Type.tp_setattro(obj,name,value); |
|
358 | 362 | } else { |
|
359 | 363 | error = QString("'") + attributeName + "' does not exist on " + obj->ob_type->tp_name + " and creating new attributes on C++ objects is not allowed"; |
|
360 | 364 | } |
|
361 | 365 | } |
|
362 | 366 | |
|
363 | 367 | PyErr_SetString(PyExc_AttributeError, error.toLatin1().data()); |
|
364 | 368 | return -1; |
|
365 | 369 | } |
|
366 | 370 | |
|
367 | 371 | static PyObject * PythonQtInstanceWrapper_str(PyObject * obj) |
|
368 | 372 | { |
|
369 | 373 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; |
|
370 | 374 | const char* typeName = obj->ob_type->tp_name; |
|
371 | 375 | QObject *qobj = wrapper->_obj; |
|
372 | 376 | if (wrapper->_wrappedPtr) { |
|
373 | 377 | QString str = PythonQtConv::CPPObjectToString(wrapper->classInfo()->metaTypeId(), wrapper->_wrappedPtr); |
|
374 | 378 | if (!str.isEmpty()) { |
|
375 | 379 | return PyString_FromFormat("%s", str.toLatin1().constData()); |
|
376 | 380 | } else |
|
377 | 381 | if (wrapper->_obj) { |
|
378 | 382 | return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj); |
|
379 | 383 | } else { |
|
380 | 384 | return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr); |
|
381 | 385 | } |
|
382 | 386 | } else { |
|
383 | 387 | return PyString_FromFormat("%s (QObject %p)", typeName, qobj); |
|
384 | 388 | } |
|
385 | 389 | } |
|
386 | 390 | |
|
387 | 391 | static PyObject * PythonQtInstanceWrapper_repr(PyObject * obj) |
|
388 | 392 | { |
|
389 | 393 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; |
|
390 | 394 | const char* typeName = obj->ob_type->tp_name; |
|
391 | 395 | |
|
392 | 396 | QObject *qobj = wrapper->_obj; |
|
393 | 397 | if (wrapper->_wrappedPtr) { |
|
394 | 398 | QString str = PythonQtConv::CPPObjectToString(wrapper->classInfo()->metaTypeId(), wrapper->_wrappedPtr); |
|
395 | 399 | if (!str.isEmpty()) { |
|
396 | 400 | return PyString_FromFormat("%s(%s, %p)", typeName, str.toLatin1().constData(), wrapper->_wrappedPtr); |
|
397 | 401 | } else |
|
398 | 402 | if (wrapper->_obj) { |
|
399 | 403 | return PyString_FromFormat("%s (C++ Object %p wrapped by %s %p))", typeName, wrapper->_wrappedPtr, wrapper->_obj->metaObject()->className(), qobj); |
|
400 | 404 | } else { |
|
401 | 405 | return PyString_FromFormat("%s (C++ Object %p)", typeName, wrapper->_wrappedPtr); |
|
402 | 406 | } |
|
403 | 407 | } else { |
|
404 | 408 | return PyString_FromFormat("%s (QObject %p)", typeName, wrapper->classInfo()->className(), qobj); |
|
405 | 409 | } |
|
406 | 410 | } |
|
407 | 411 | |
|
408 | 412 | static int PythonQtInstanceWrapper_compare(PyObject * obj1, PyObject * obj2) |
|
409 | 413 | { |
|
410 | 414 | if (PyObject_TypeCheck(obj1, &PythonQtInstanceWrapper_Type) && |
|
411 | 415 | PyObject_TypeCheck(obj2, &PythonQtInstanceWrapper_Type)) { |
|
412 | 416 | |
|
413 | 417 | PythonQtInstanceWrapper* w1 = (PythonQtInstanceWrapper*)obj1; |
|
414 | 418 | PythonQtInstanceWrapper* w2 = (PythonQtInstanceWrapper*)obj2; |
|
415 | 419 | // check pointers directly first: |
|
416 | 420 | if (w1->_wrappedPtr != NULL) { |
|
417 | 421 | if (w1->_wrappedPtr == w2->_wrappedPtr) { |
|
418 | 422 | return 0; |
|
419 | 423 | } |
|
420 | 424 | } else if (w1->_obj == w2->_obj) { |
|
421 | 425 | return 0; |
|
422 | 426 | } |
|
423 | 427 | const char* class1 = w1->classInfo()->className(); |
|
424 | 428 | const char* class2 = w2->classInfo()->className(); |
|
425 | 429 | if (strcmp(class1, class2) == 0) { |
|
426 | 430 | // same class names, so we can try the operator_equal |
|
427 | 431 | PythonQtMemberInfo info = w1->classInfo()->member("operator_equal"); |
|
428 | 432 | if (info._type == PythonQtMemberInfo::Slot) { |
|
429 | 433 | bool result = false; |
|
430 | 434 | void* obj1 = w1->_wrappedPtr; |
|
431 | 435 | if (!obj1) { |
|
432 | 436 | obj1 = w1->_obj; |
|
433 | 437 | } |
|
434 | 438 | if (!obj1) { return -1; } |
|
435 | 439 | void* obj2 = w2->_wrappedPtr; |
|
436 | 440 | if (!obj2) { |
|
437 | 441 | obj2 = w2->_obj; |
|
438 | 442 | } |
|
439 | 443 | if (!obj2) { return -1; } |
|
440 | 444 | if (info._slot->isInstanceDecorator()) { |
|
441 | 445 | // call on decorator QObject |
|
442 | 446 | void* args[3]; |
|
443 | 447 | args[0] = &result; |
|
444 | 448 | args[1] = &obj1; // this is a pointer, so it needs a pointer to a pointer |
|
445 | 449 | args[2] = obj2; // this is a reference, so it needs the direct pointer |
|
446 | 450 | info._slot->decorator()->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args); |
|
447 | 451 | return result?0:-1; |
|
448 | 452 | } else { |
|
449 | 453 | // call directly on QObject |
|
450 | 454 | if (w1->_obj && w2->_obj) { |
|
451 | 455 | void* args[2]; |
|
452 | 456 | args[0] = &result; |
|
453 | 457 | args[2] = obj2; // this is a reference, so it needs the direct pointer |
|
454 | 458 | w1->_obj->qt_metacall(QMetaObject::InvokeMetaMethod, info._slot->slotIndex(), args); |
|
455 | 459 | } |
|
456 | 460 | } |
|
457 | 461 | } |
|
458 | 462 | } |
|
459 | 463 | } |
|
460 | 464 | return -1; |
|
461 | 465 | } |
|
462 | 466 | |
|
463 | 467 | static int PythonQtInstanceWrapper_nonzero(PyObject *obj) |
|
464 | 468 | { |
|
465 | 469 | PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)obj; |
|
466 | 470 | return (wrapper->_wrappedPtr == NULL && wrapper->_obj == NULL)?0:1; |
|
467 | 471 | } |
|
468 | 472 | |
|
469 | 473 | |
|
470 | 474 | static long PythonQtInstanceWrapper_hash(PythonQtInstanceWrapper *obj) |
|
471 | 475 | { |
|
472 | 476 | if (obj->_wrappedPtr != NULL) { |
|
473 | 477 | return reinterpret_cast<long>(obj->_wrappedPtr); |
|
474 | 478 | } else { |
|
475 | 479 | QObject* qobj = obj->_obj; // get pointer from QPointer wrapper |
|
476 | 480 | return reinterpret_cast<long>(qobj); |
|
477 | 481 | } |
|
478 | 482 | } |
|
479 | 483 | |
|
480 | 484 | |
|
481 | 485 | |
|
482 | 486 | // we override nb_nonzero, so that one can do 'if' expressions to test for a NULL ptr |
|
483 | 487 | static PyNumberMethods PythonQtInstanceWrapper_as_number = { |
|
484 | 488 | 0, /* nb_add */ |
|
485 | 489 | 0, /* nb_subtract */ |
|
486 | 490 | 0, /* nb_multiply */ |
|
487 | 491 | 0, /* nb_divide */ |
|
488 | 492 | 0, /* nb_remainder */ |
|
489 | 493 | 0, /* nb_divmod */ |
|
490 | 494 | 0, /* nb_power */ |
|
491 | 495 | 0, /* nb_negative */ |
|
492 | 496 | 0, /* nb_positive */ |
|
493 | 497 | 0, /* nb_absolute */ |
|
494 | 498 | PythonQtInstanceWrapper_nonzero, /* nb_nonzero */ |
|
495 | 499 | 0, /* nb_invert */ |
|
496 | 500 | 0, /* nb_lshift */ |
|
497 | 501 | 0, /* nb_rshift */ |
|
498 | 502 | 0, /* nb_and */ |
|
499 | 503 | 0, /* nb_xor */ |
|
500 | 504 | 0, /* nb_or */ |
|
501 | 505 | 0, /* nb_coerce */ |
|
502 | 506 | 0, /* nb_int */ |
|
503 | 507 | 0, /* nb_long */ |
|
504 | 508 | 0, /* nb_float */ |
|
505 | 509 | 0, /* nb_oct */ |
|
506 | 510 | 0, /* nb_hex */ |
|
507 | 511 | 0, /* nb_inplace_add */ |
|
508 | 512 | 0, /* nb_inplace_subtract */ |
|
509 | 513 | 0, /* nb_inplace_multiply */ |
|
510 | 514 | 0, /* nb_inplace_divide */ |
|
511 | 515 | 0, /* nb_inplace_remainder */ |
|
512 | 516 | 0, /* nb_inplace_power */ |
|
513 | 517 | 0, /* nb_inplace_lshift */ |
|
514 | 518 | 0, /* nb_inplace_rshift */ |
|
515 | 519 | 0, /* nb_inplace_and */ |
|
516 | 520 | 0, /* nb_inplace_xor */ |
|
517 | 521 | 0, /* nb_inplace_or */ |
|
518 | 522 | 0, /* nb_floor_divide */ |
|
519 | 523 | 0, /* nb_true_divide */ |
|
520 | 524 | 0, /* nb_inplace_floor_divide */ |
|
521 | 525 | 0, /* nb_inplace_true_divide */ |
|
522 | 526 | }; |
|
523 | 527 | |
|
524 | 528 | PyTypeObject PythonQtInstanceWrapper_Type = { |
|
525 | 529 | PyObject_HEAD_INIT(&PythonQtClassWrapper_Type) |
|
526 | 530 | 0, /*ob_size*/ |
|
527 | 531 | "PythonQt.PythonQtInstanceWrapper", /*tp_name*/ |
|
528 | 532 | sizeof(PythonQtInstanceWrapper), /*tp_basicsize*/ |
|
529 | 533 | 0, /*tp_itemsize*/ |
|
530 | 534 | (destructor)PythonQtInstanceWrapper_dealloc, /*tp_dealloc*/ |
|
531 | 535 | 0, /*tp_print*/ |
|
532 | 536 | 0, /*tp_getattr*/ |
|
533 | 537 | 0, /*tp_setattr*/ |
|
534 | 538 | PythonQtInstanceWrapper_compare, /*tp_compare*/ |
|
535 | 539 | PythonQtInstanceWrapper_repr, /*tp_repr*/ |
|
536 | 540 | &PythonQtInstanceWrapper_as_number, /*tp_as_number*/ |
|
537 | 541 | 0, /*tp_as_sequence*/ |
|
538 | 542 | 0, /*tp_as_mapping*/ |
|
539 | 543 | (hashfunc)PythonQtInstanceWrapper_hash, /*tp_hash */ |
|
540 | 544 | 0, /*tp_call*/ |
|
541 | 545 | PythonQtInstanceWrapper_str, /*tp_str*/ |
|
542 | 546 | PythonQtInstanceWrapper_getattro, /*tp_getattro*/ |
|
543 | 547 | PythonQtInstanceWrapper_setattro, /*tp_setattro*/ |
|
544 | 548 | 0, /*tp_as_buffer*/ |
|
545 | 549 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
|
546 | 550 | "PythonQtInstanceWrapper object", /* tp_doc */ |
|
547 | 551 | 0, /* tp_traverse */ |
|
548 | 552 | 0, /* tp_clear */ |
|
549 | 553 | 0, /* tp_richcompare */ |
|
550 | 554 | 0, /* tp_weaklistoffset */ |
|
551 | 555 | 0, /* tp_iter */ |
|
552 | 556 | 0, /* tp_iternext */ |
|
553 | 557 | 0, /* tp_methods */ |
|
554 | 558 | 0, /* tp_members */ |
|
555 | 559 | 0, /* tp_getset */ |
|
556 | 560 | 0, /* tp_base */ |
|
557 | 561 | 0, /* tp_dict */ |
|
558 | 562 | 0, /* tp_descr_get */ |
|
559 | 563 | 0, /* tp_descr_set */ |
|
560 | 564 | 0, /* tp_dictoffset */ |
|
561 | 565 | (initproc)PythonQtInstanceWrapper_init, /* tp_init */ |
|
562 | 566 | 0, /* tp_alloc */ |
|
563 | 567 | PythonQtInstanceWrapper_new, /* tp_new */ |
|
564 | 568 | }; |
|
565 | 569 | |
|
566 | 570 | //------------------------------------------------------- |
|
567 | 571 |
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