1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtCore module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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15 | ** use the contact form at http://qt.digia.com/contact-us. |
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17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
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22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
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25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QMETATYPE_H |
43 | #define QMETATYPE_H |
44 | |
45 | #include <QtCore/qglobal.h> |
46 | #include <QtCore/qatomic.h> |
47 | |
48 | #ifndef QT_NO_DATASTREAM |
49 | #include <QtCore/qdatastream.h> |
50 | #endif |
51 | |
52 | #ifdef Bool |
53 | #error qmetatype.h must be included before any header file that defines Bool |
54 | #endif |
55 | |
56 | QT_BEGIN_HEADER |
57 | |
58 | QT_BEGIN_NAMESPACE |
59 | |
60 | QT_MODULE(Core) |
61 | |
62 | class Q_CORE_EXPORT QMetaType { |
63 | public: |
64 | enum Type { |
65 | // these are merged with QVariant |
66 | Void = 0, Bool = 1, Int = 2, UInt = 3, LongLong = 4, ULongLong = 5, |
67 | Double = 6, QChar = 7, QVariantMap = 8, QVariantList = 9, |
68 | QString = 10, QStringList = 11, QByteArray = 12, |
69 | QBitArray = 13, QDate = 14, QTime = 15, QDateTime = 16, QUrl = 17, |
70 | QLocale = 18, QRect = 19, QRectF = 20, QSize = 21, QSizeF = 22, |
71 | QLine = 23, QLineF = 24, QPoint = 25, QPointF = 26, QRegExp = 27, |
72 | QVariantHash = 28, QEasingCurve = 29, LastCoreType = QEasingCurve, |
73 | |
74 | FirstGuiType = 63 /* QColorGroup */, |
75 | #ifdef QT3_SUPPORT |
76 | QColorGroup = 63, |
77 | #endif |
78 | QFont = 64, QPixmap = 65, QBrush = 66, QColor = 67, QPalette = 68, |
79 | QIcon = 69, QImage = 70, QPolygon = 71, QRegion = 72, QBitmap = 73, |
80 | QCursor = 74, QSizePolicy = 75, QKeySequence = 76, QPen = 77, |
81 | QTextLength = 78, QTextFormat = 79, QMatrix = 80, QTransform = 81, |
82 | QMatrix4x4 = 82, QVector2D = 83, QVector3D = 84, QVector4D = 85, |
83 | QQuaternion = 86, |
84 | LastGuiType = QQuaternion, |
85 | |
86 | FirstCoreExtType = 128 /* VoidStar */, |
87 | VoidStar = 128, Long = 129, Short = 130, Char = 131, ULong = 132, |
88 | UShort = 133, UChar = 134, Float = 135, QObjectStar = 136, QWidgetStar = 137, |
89 | QVariant = 138, |
90 | LastCoreExtType = QVariant, |
91 | |
92 | // This logic must match the one in qglobal.h |
93 | #if defined(QT_COORD_TYPE) |
94 | QReal = 0, |
95 | #elif defined(QT_NO_FPU) || defined(QT_ARCH_ARM) || defined(QT_ARCH_WINDOWSCE) || defined(QT_ARCH_SYMBIAN) |
96 | QReal = Float, |
97 | #else |
98 | QReal = Double, |
99 | #endif |
100 | |
101 | User = 256 |
102 | }; |
103 | |
104 | typedef void (*Destructor)(void *); |
105 | typedef void *(*Constructor)(const void *); |
106 | |
107 | #ifndef QT_NO_DATASTREAM |
108 | typedef void (*SaveOperator)(QDataStream &, const void *); |
109 | typedef void (*LoadOperator)(QDataStream &, void *); |
110 | static void registerStreamOperators(const char *typeName, SaveOperator saveOp, |
111 | LoadOperator loadOp); |
112 | static void registerStreamOperators(int type, SaveOperator saveOp, |
113 | LoadOperator loadOp); |
114 | #endif |
115 | static int registerType(const char *typeName, Destructor destructor, |
116 | Constructor constructor); |
117 | static int registerTypedef(const char *typeName, int aliasId); |
118 | static int type(const char *typeName); |
119 | static const char *typeName(int type); |
120 | static bool isRegistered(int type); |
121 | static void *construct(int type, const void *copy = 0); |
122 | static void destroy(int type, void *data); |
123 | static void unregisterType(const char *typeName); |
124 | |
125 | #ifndef QT_NO_DATASTREAM |
126 | static bool save(QDataStream &stream, int type, const void *data); |
127 | static bool load(QDataStream &stream, int type, void *data); |
128 | #endif |
129 | }; |
130 | |
131 | template <typename T> |
132 | void qMetaTypeDeleteHelper(T *t) |
133 | { |
134 | delete t; |
135 | } |
136 | |
137 | template <typename T> |
138 | void *qMetaTypeConstructHelper(const T *t) |
139 | { |
140 | if (!t) |
141 | return new T(); |
142 | return new T(*static_cast<const T*>(t)); |
143 | } |
144 | |
145 | #ifndef QT_NO_DATASTREAM |
146 | template <typename T> |
147 | void qMetaTypeSaveHelper(QDataStream &stream, const T *t) |
148 | { |
149 | stream << *t; |
150 | } |
151 | |
152 | template <typename T> |
153 | void qMetaTypeLoadHelper(QDataStream &stream, T *t) |
154 | { |
155 | stream >> *t; |
156 | } |
157 | #endif // QT_NO_DATASTREAM |
158 | |
159 | template <typename T> |
160 | struct QMetaTypeId |
161 | { |
162 | enum { Defined = 0 }; |
163 | }; |
164 | |
165 | template <typename T> |
166 | struct QMetaTypeId2 |
167 | { |
168 | enum { Defined = QMetaTypeId<T>::Defined }; |
169 | static inline int qt_metatype_id() { return QMetaTypeId<T>::qt_metatype_id(); } |
170 | }; |
171 | |
172 | namespace QtPrivate { |
173 | template <typename T, bool Defined = QMetaTypeId2<T>::Defined> |
174 | struct QMetaTypeIdHelper { |
175 | static inline int qt_metatype_id() |
176 | { return QMetaTypeId2<T>::qt_metatype_id(); } |
177 | }; |
178 | template <typename T> struct QMetaTypeIdHelper<T, false> { |
179 | static inline int qt_metatype_id() |
180 | { return -1; } |
181 | }; |
182 | } |
183 | |
184 | template <typename T> |
185 | int qRegisterMetaType(const char *typeName |
186 | #ifndef qdoc |
187 | , T * dummy = 0 |
188 | #endif |
189 | ) |
190 | { |
191 | const int typedefOf = dummy ? -1 : QtPrivate::QMetaTypeIdHelper<T>::qt_metatype_id(); |
192 | if (typedefOf != -1) |
193 | return QMetaType::registerTypedef(typeName, typedefOf); |
194 | |
195 | typedef void*(*ConstructPtr)(const T*); |
196 | ConstructPtr cptr = qMetaTypeConstructHelper<T>; |
197 | typedef void(*DeletePtr)(T*); |
198 | DeletePtr dptr = qMetaTypeDeleteHelper<T>; |
199 | |
200 | return QMetaType::registerType(typeName, reinterpret_cast<QMetaType::Destructor>(dptr), |
201 | reinterpret_cast<QMetaType::Constructor>(cptr)); |
202 | } |
203 | |
204 | #ifndef QT_NO_DATASTREAM |
205 | template <typename T> |
206 | void qRegisterMetaTypeStreamOperators(const char *typeName |
207 | #ifndef qdoc |
208 | , T * /* dummy */ = 0 |
209 | #endif |
210 | ) |
211 | { |
212 | typedef void(*SavePtr)(QDataStream &, const T *); |
213 | typedef void(*LoadPtr)(QDataStream &, T *); |
214 | SavePtr sptr = qMetaTypeSaveHelper<T>; |
215 | LoadPtr lptr = qMetaTypeLoadHelper<T>; |
216 | |
217 | qRegisterMetaType<T>(typeName); |
218 | QMetaType::registerStreamOperators(typeName, reinterpret_cast<QMetaType::SaveOperator>(sptr), |
219 | reinterpret_cast<QMetaType::LoadOperator>(lptr)); |
220 | } |
221 | #endif // QT_NO_DATASTREAM |
222 | |
223 | template <typename T> |
224 | inline int qMetaTypeId( |
225 | #ifndef qdoc |
226 | T * /* dummy */ = 0 |
227 | #endif |
228 | ) |
229 | { |
230 | return QMetaTypeId2<T>::qt_metatype_id(); |
231 | } |
232 | |
233 | template <typename T> |
234 | inline int qRegisterMetaType( |
235 | #if !defined(qdoc) && !defined(Q_CC_SUN) |
236 | T * dummy = 0 |
237 | #endif |
238 | ) |
239 | { |
240 | #ifdef Q_CC_SUN |
241 | return qMetaTypeId(static_cast<T *>(0)); |
242 | #else |
243 | return qMetaTypeId(dummy); |
244 | #endif |
245 | } |
246 | |
247 | #ifndef QT_NO_DATASTREAM |
248 | template <typename T> |
249 | inline int qRegisterMetaTypeStreamOperators() |
250 | { |
251 | typedef void(*SavePtr)(QDataStream &, const T *); |
252 | typedef void(*LoadPtr)(QDataStream &, T *); |
253 | SavePtr sptr = qMetaTypeSaveHelper<T>; |
254 | LoadPtr lptr = qMetaTypeLoadHelper<T>; |
255 | |
256 | register int id = qMetaTypeId<T>(); |
257 | QMetaType::registerStreamOperators(id, |
258 | reinterpret_cast<QMetaType::SaveOperator>(sptr), |
259 | reinterpret_cast<QMetaType::LoadOperator>(lptr)); |
260 | |
261 | return id; |
262 | } |
263 | #endif |
264 | |
265 | #define Q_DECLARE_METATYPE(TYPE) \ |
266 | QT_BEGIN_NAMESPACE \ |
267 | template <> \ |
268 | struct QMetaTypeId< TYPE > \ |
269 | { \ |
270 | enum { Defined = 1 }; \ |
271 | static int qt_metatype_id() \ |
272 | { \ |
273 | static QBasicAtomicInt metatype_id = Q_BASIC_ATOMIC_INITIALIZER(0); \ |
274 | if (!metatype_id) \ |
275 | metatype_id = qRegisterMetaType< TYPE >(#TYPE, \ |
276 | reinterpret_cast< TYPE *>(quintptr(-1))); \ |
277 | return metatype_id; \ |
278 | } \ |
279 | }; \ |
280 | QT_END_NAMESPACE |
281 | |
282 | #define Q_DECLARE_BUILTIN_METATYPE(TYPE, NAME) \ |
283 | QT_BEGIN_NAMESPACE \ |
284 | template<> struct QMetaTypeId2<TYPE> \ |
285 | { \ |
286 | enum { Defined = 1, MetaType = QMetaType::NAME }; \ |
287 | static inline int qt_metatype_id() { return QMetaType::NAME; } \ |
288 | }; \ |
289 | QT_END_NAMESPACE |
290 | |
291 | class QString; |
292 | class QByteArray; |
293 | class QChar; |
294 | class QStringList; |
295 | class QBitArray; |
296 | class QDate; |
297 | class QTime; |
298 | class QDateTime; |
299 | class QUrl; |
300 | class QLocale; |
301 | class QRect; |
302 | class QRectF; |
303 | class QSize; |
304 | class QSizeF; |
305 | class QLine; |
306 | class QLineF; |
307 | class QPoint; |
308 | class QPointF; |
309 | #ifndef QT_NO_REGEXP |
310 | class QRegExp; |
311 | #endif |
312 | class QEasingCurve; |
313 | class QWidget; |
314 | class QObject; |
315 | |
316 | #ifdef QT3_SUPPORT |
317 | class QColorGroup; |
318 | #endif |
319 | class QFont; |
320 | class QPixmap; |
321 | class QBrush; |
322 | class QColor; |
323 | class QPalette; |
324 | class QIcon; |
325 | class QImage; |
326 | class QPolygon; |
327 | class QRegion; |
328 | class QBitmap; |
329 | class QCursor; |
330 | class QSizePolicy; |
331 | class QKeySequence; |
332 | class QPen; |
333 | class QTextLength; |
334 | class QTextFormat; |
335 | class QMatrix; |
336 | class QTransform; |
337 | class QMatrix4x4; |
338 | class QVector2D; |
339 | class QVector3D; |
340 | class QVector4D; |
341 | class QQuaternion; |
342 | class QVariant; |
343 | |
344 | QT_END_NAMESPACE |
345 | |
346 | Q_DECLARE_BUILTIN_METATYPE(QString, QString) |
347 | Q_DECLARE_BUILTIN_METATYPE(int, Int) |
348 | Q_DECLARE_BUILTIN_METATYPE(uint, UInt) |
349 | Q_DECLARE_BUILTIN_METATYPE(bool, Bool) |
350 | Q_DECLARE_BUILTIN_METATYPE(double, Double) |
351 | Q_DECLARE_BUILTIN_METATYPE(QByteArray, QByteArray) |
352 | Q_DECLARE_BUILTIN_METATYPE(QChar, QChar) |
353 | Q_DECLARE_BUILTIN_METATYPE(long, Long) |
354 | Q_DECLARE_BUILTIN_METATYPE(short, Short) |
355 | Q_DECLARE_BUILTIN_METATYPE(char, Char) |
356 | Q_DECLARE_BUILTIN_METATYPE(signed char, Char) |
357 | Q_DECLARE_BUILTIN_METATYPE(ulong, ULong) |
358 | Q_DECLARE_BUILTIN_METATYPE(ushort, UShort) |
359 | Q_DECLARE_BUILTIN_METATYPE(uchar, UChar) |
360 | Q_DECLARE_BUILTIN_METATYPE(float, Float) |
361 | Q_DECLARE_BUILTIN_METATYPE(QObject *, QObjectStar) |
362 | Q_DECLARE_BUILTIN_METATYPE(QWidget *, QWidgetStar) |
363 | Q_DECLARE_BUILTIN_METATYPE(void *, VoidStar) |
364 | Q_DECLARE_BUILTIN_METATYPE(qlonglong, LongLong) |
365 | Q_DECLARE_BUILTIN_METATYPE(qulonglong, ULongLong) |
366 | Q_DECLARE_BUILTIN_METATYPE(QStringList, QStringList) |
367 | Q_DECLARE_BUILTIN_METATYPE(QBitArray, QBitArray) |
368 | Q_DECLARE_BUILTIN_METATYPE(QDate, QDate) |
369 | Q_DECLARE_BUILTIN_METATYPE(QTime, QTime) |
370 | Q_DECLARE_BUILTIN_METATYPE(QDateTime, QDateTime) |
371 | Q_DECLARE_BUILTIN_METATYPE(QUrl, QUrl) |
372 | Q_DECLARE_BUILTIN_METATYPE(QLocale, QLocale) |
373 | Q_DECLARE_BUILTIN_METATYPE(QRect, QRect) |
374 | Q_DECLARE_BUILTIN_METATYPE(QRectF, QRectF) |
375 | Q_DECLARE_BUILTIN_METATYPE(QSize, QSize) |
376 | Q_DECLARE_BUILTIN_METATYPE(QSizeF, QSizeF) |
377 | Q_DECLARE_BUILTIN_METATYPE(QLine, QLine) |
378 | Q_DECLARE_BUILTIN_METATYPE(QLineF, QLineF) |
379 | Q_DECLARE_BUILTIN_METATYPE(QPoint, QPoint) |
380 | Q_DECLARE_BUILTIN_METATYPE(QPointF, QPointF) |
381 | #ifndef QT_NO_REGEXP |
382 | Q_DECLARE_BUILTIN_METATYPE(QRegExp, QRegExp) |
383 | #endif |
384 | Q_DECLARE_BUILTIN_METATYPE(QEasingCurve, QEasingCurve) |
385 | |
386 | #ifdef QT3_SUPPORT |
387 | Q_DECLARE_BUILTIN_METATYPE(QColorGroup, QColorGroup) |
388 | #endif |
389 | Q_DECLARE_BUILTIN_METATYPE(QFont, QFont) |
390 | Q_DECLARE_BUILTIN_METATYPE(QPixmap, QPixmap) |
391 | Q_DECLARE_BUILTIN_METATYPE(QBrush, QBrush) |
392 | Q_DECLARE_BUILTIN_METATYPE(QColor, QColor) |
393 | Q_DECLARE_BUILTIN_METATYPE(QPalette, QPalette) |
394 | Q_DECLARE_BUILTIN_METATYPE(QIcon, QIcon) |
395 | Q_DECLARE_BUILTIN_METATYPE(QImage, QImage) |
396 | Q_DECLARE_BUILTIN_METATYPE(QPolygon, QPolygon) |
397 | Q_DECLARE_BUILTIN_METATYPE(QRegion, QRegion) |
398 | Q_DECLARE_BUILTIN_METATYPE(QBitmap, QBitmap) |
399 | Q_DECLARE_BUILTIN_METATYPE(QCursor, QCursor) |
400 | Q_DECLARE_BUILTIN_METATYPE(QSizePolicy, QSizePolicy) |
401 | Q_DECLARE_BUILTIN_METATYPE(QKeySequence, QKeySequence) |
402 | Q_DECLARE_BUILTIN_METATYPE(QPen, QPen) |
403 | Q_DECLARE_BUILTIN_METATYPE(QTextLength, QTextLength) |
404 | Q_DECLARE_BUILTIN_METATYPE(QTextFormat, QTextFormat) |
405 | Q_DECLARE_BUILTIN_METATYPE(QMatrix, QMatrix) |
406 | Q_DECLARE_BUILTIN_METATYPE(QTransform, QTransform) |
407 | Q_DECLARE_BUILTIN_METATYPE(QMatrix4x4, QMatrix4x4) |
408 | Q_DECLARE_BUILTIN_METATYPE(QVector2D, QVector2D) |
409 | Q_DECLARE_BUILTIN_METATYPE(QVector3D, QVector3D) |
410 | Q_DECLARE_BUILTIN_METATYPE(QVector4D, QVector4D) |
411 | Q_DECLARE_BUILTIN_METATYPE(QQuaternion, QQuaternion) |
412 | Q_DECLARE_BUILTIN_METATYPE(QVariant, QVariant) |
413 | |
414 | QT_END_HEADER |
415 | |
416 | #endif // QMETATYPE_H |
417 | |