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annotate include/qtd_core.h @ 355:08c1ca7975ab

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obviated redundant virtual dispatch callbacks
author Max Samukha <maxter@spambox.com>
date Tue, 25 May 2010 17:23:11 +0300
parents 18bd68f586c6
children 9784459f0750
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1 /**
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2 * Copyright: Copyright QtD Team, 2008-2010
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3 * License: Boost Software License 1.0
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4 */
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5
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6 #ifndef QTD_CORE_H
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7 #define QTD_CORE_H
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8
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9 #include <QAbstractItemModel>
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10
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11 #if defined WIN32
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12 #define DLL_PUBLIC __declspec(dllexport)
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13 #else
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14 #define DLL_PUBLIC
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15 #endif
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16
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17 #ifdef CPP_SHARED
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18 #define QTD_EXPORT(TYPE, NAME, ARGS) \
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19 extern "C" typedef TYPE (*pf_##NAME)ARGS; \
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20 extern "C" pf_##NAME qtd_get_##NAME();
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21 #define QTD_EXPORT_VAR(NAME) \
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22 pf_##NAME m_##NAME; \
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23 extern "C" DLL_PUBLIC pf_##NAME qtd_get_##NAME() { return m_##NAME; }
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24 #define QTD_EXPORT_VAR_SET(NAME, VALUE) \
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25 m_##NAME = (pf_##NAME) VALUE
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26 #else
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27 #define QTD_EXPORT(TYPE, NAME, ARGS) \
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28 extern "C" TYPE NAME ARGS;
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29 #endif
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30
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31 extern uint userDataId;
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32
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33 struct QModelIndexAccessor {
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34 int row;
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35 int col;
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36 void *ptr;
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37 QAbstractItemModel *model;
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38 };
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39
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40 struct DArray {
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41 size_t length;
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42 void* ptr;
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43 };
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44
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45 enum QtdObjectFlags
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46 {
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47 qNone,
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48 qNativeOwnership = 0x01,
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49 qDOwnership = 0x02
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50 //gcManaged = 0x04
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51 };
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52
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53 class DLL_PUBLIC QtdObjectLink
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54 {
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55 public:
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56 void* dId; // TODO: needs to be atomic
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57
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58 QtdObjectLink(void* id) : dId(id) {}
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59
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60 template<typename T>
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61 static QtdObjectLink* getLink(const T* object)
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62 {
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63 return dynamic_cast<QtdObjectLink*>((T*)object);
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64 }
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65
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66 template<typename T>
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67 static void* getDId(const T* object)
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68 {
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69 QtdObjectLink *link = getLink((T*)object);
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70 return link ? link->dId : NULL;
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71 }
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72 };
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74 class DLL_PUBLIC QObjectLink : public QtdObjectLink, public QObjectUserData
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75 {
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76 public:
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77 enum Flags
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78 {
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79 None,
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80 CreatedByD = 0x1
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81 };
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82
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83 Flags flags;
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84
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85 QObjectLink(QObject* qObject, void* dId);
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86 bool createdByD();
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87 virtual ~QObjectLink();
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88 void destroyLink(QObject* qObject = NULL);
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89 static QObjectLink* getLink(const QObject* qObject);
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90 static void* getDId(const QObject* qObject);
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91 };
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93 #define Array DArray
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95 #ifdef CPP_SHARED
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96 typedef void (*pfunc_abstr)();
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97 #endif
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99 QTD_EXPORT(void, qtd_toUtf8, (const unsigned short* arr, uint size, void* str))
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100 QTD_EXPORT(void, qtd_QtdObject_delete, (void* dId))
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101
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102 #ifdef CPP_SHARED
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103 #define qtd_toUtf8 qtd_get_qtd_toUtf8()
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104 #define qtd_QtdObject_delete qtd_get_qtd_QtdObject_delete()
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105 #endif
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106
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107 extern "C" QModelIndex qtd_to_QModelIndex(QModelIndexAccessor mia);
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108 extern "C" QModelIndexAccessor qtd_from_QModelIndex(const QModelIndex &index);
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109
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110 extern "C" typedef void (*EmitCallback)(void*, void**);
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111 extern "C" typedef int (*QtMetacallCallback)(void *d_entity, QMetaObject::Call _c, int _id, void **_a);
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112 extern "C" typedef const QMetaObject* (*MetaObjectCallback)(void *d_entity);
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114 template <class T>
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115 void call_destructor(T *a)
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116 {
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117 a->~T();
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118 }
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120 #endif // QTD_CORE_H