source: trunk/src/gui/kernel/qguivariant.cpp@ 674

Last change on this file since 674 was 651, checked in by Dmitry A. Kuminov, 16 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 23.3 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qvariant.h"
43
44#include "qbitmap.h"
45#include "qbrush.h"
46#include "qcolor.h"
47#include "qcursor.h"
48#include "qdatastream.h"
49#include "qdebug.h"
50#include "qfont.h"
51#include "qicon.h"
52#include "qimage.h"
53#include "qkeysequence.h"
54#include "qtransform.h"
55#include "qmatrix.h"
56#include "qpalette.h"
57#include "qpen.h"
58#include "qpixmap.h"
59#include "qpolygon.h"
60#include "qregion.h"
61#include "qsizepolicy.h"
62#include "qtextformat.h"
63#include "qmatrix4x4.h"
64#include "qvector2d.h"
65#include "qvector3d.h"
66#include "qvector4d.h"
67#include "qquaternion.h"
68
69#include "private/qvariant_p.h"
70
71QT_BEGIN_NAMESPACE
72
73#ifdef QT3_SUPPORT
74extern QDataStream &qt_stream_out_qcolorgroup(QDataStream &s, const QColorGroup &g);
75extern QDataStream &qt_stream_in_qcolorgroup(QDataStream &s, QColorGroup &g);
76#endif
77
78Q_CORE_EXPORT const QVariant::Handler *qcoreVariantHandler();
79
80static void construct(QVariant::Private *x, const void *copy)
81{
82 switch (x->type) {
83 case QVariant::Bitmap:
84 v_construct<QBitmap>(x, copy);
85 break;
86 case QVariant::Region:
87 v_construct<QRegion>(x, copy);
88 break;
89 case QVariant::Polygon:
90 v_construct<QPolygon>(x, copy);
91 break;
92 case QVariant::Font:
93 v_construct<QFont>(x, copy);
94 break;
95 case QVariant::Pixmap:
96 v_construct<QPixmap>(x, copy);
97 break;
98 case QVariant::Image:
99 v_construct<QImage>(x, copy);
100 break;
101 case QVariant::Brush:
102 v_construct<QBrush>(x, copy);
103 break;
104 case QVariant::Color:
105 v_construct<QColor>(x, copy);
106 break;
107 case QVariant::Palette:
108 v_construct<QPalette>(x, copy);
109 break;
110#ifdef QT3_SUPPORT
111 case QVariant::ColorGroup:
112 v_construct<QColorGroup>(x, copy);
113 break;
114#endif
115#ifndef QT_NO_ICON
116 case QVariant::Icon:
117 v_construct<QIcon>(x, copy);
118 break;
119#endif
120 case QVariant::Matrix:
121 v_construct<QMatrix>(x, copy);
122 break;
123 case QVariant::Transform:
124 v_construct<QTransform>(x, copy);
125 break;
126 case QVariant::TextFormat:
127 v_construct<QTextFormat>(x, copy);
128 break;
129 case QVariant::TextLength:
130 v_construct<QTextLength>(x, copy);
131 break;
132#ifndef QT_NO_SHORTCUT
133 case QVariant::KeySequence:
134 v_construct<QKeySequence>(x, copy);
135 break;
136#endif
137 case QVariant::Pen:
138 v_construct<QPen>(x, copy);
139 break;
140 case QVariant::SizePolicy:
141 v_construct<QSizePolicy>(x, copy);
142 break;
143#ifndef QT_NO_CURSOR
144 case QVariant::Cursor:
145 v_construct<QCursor>(x, copy);
146 break;
147#endif
148 case 62: {
149 // small 'trick' to let a QVariant(Qt::blue) create a variant
150 // of type QColor
151 x->type = QVariant::Color;
152 QColor color(*reinterpret_cast<const Qt::GlobalColor *>(copy));
153 v_construct<QColor>(x, &color);
154 break;
155 }
156#ifndef QT_NO_MATRIX4X4
157 case QVariant::Matrix4x4:
158 v_construct<QMatrix4x4>(x, copy);
159 break;
160#endif
161#ifndef QT_NO_VECTOR2D
162 case QVariant::Vector2D:
163 v_construct<QVector2D>(x, copy);
164 break;
165#endif
166#ifndef QT_NO_VECTOR3D
167 case QVariant::Vector3D:
168 v_construct<QVector3D>(x, copy);
169 break;
170#endif
171#ifndef QT_NO_VECTOR4D
172 case QVariant::Vector4D:
173 v_construct<QVector4D>(x, copy);
174 break;
175#endif
176#ifndef QT_NO_QUATERNION
177 case QVariant::Quaternion:
178 v_construct<QQuaternion>(x, copy);
179 break;
180#endif
181 default:
182 qcoreVariantHandler()->construct(x, copy);
183 return;
184 }
185 x->is_null = !copy;
186}
187
188static void clear(QVariant::Private *d)
189{
190 switch (d->type) {
191 case QVariant::Bitmap:
192 v_clear<QBitmap>(d);
193 break;
194 case QVariant::Cursor:
195 v_clear<QCursor>(d);
196 break;
197 case QVariant::Region:
198 v_clear<QRegion>(d);
199 break;
200 case QVariant::Polygon:
201 v_clear<QPolygon>(d);
202 break;
203 case QVariant::Font:
204 v_clear<QFont>(d);
205 break;
206 case QVariant::Pixmap:
207 v_clear<QPixmap>(d);
208 break;
209 case QVariant::Image:
210 v_clear<QImage>(d);
211 break;
212 case QVariant::Brush:
213 v_clear<QBrush>(d);
214 break;
215 case QVariant::Color:
216 v_clear<QColor>(d);
217 break;
218 case QVariant::Palette:
219 v_clear<QPalette>(d);
220 break;
221#ifdef QT3_SUPPORT
222 case QVariant::ColorGroup:
223 v_clear<QColorGroup>(d);
224 break;
225#endif
226#ifndef QT_NO_ICON
227 case QVariant::Icon:
228 v_clear<QIcon>(d);
229 break;
230#endif
231 case QVariant::Matrix:
232 v_clear<QMatrix>(d);
233 break;
234 case QVariant::Transform:
235 v_clear<QTransform>(d);
236 break;
237 case QVariant::TextFormat:
238 v_clear<QTextFormat>(d);
239 break;
240 case QVariant::TextLength:
241 v_clear<QTextLength>(d);
242 break;
243 case QVariant::SizePolicy:
244 v_clear<QSizePolicy>(d);
245 break;
246#ifndef QT_NO_SHORTCUT
247 case QVariant::KeySequence:
248 v_clear<QKeySequence>(d);
249 break;
250#endif
251 case QVariant::Pen:
252 v_clear<QPen>(d);
253 break;
254#ifndef QT_NO_MATRIX4X4
255 case QVariant::Matrix4x4:
256 v_clear<QMatrix4x4>(d);
257 break;
258#endif
259#ifndef QT_NO_VECTOR2D
260 case QVariant::Vector2D:
261 v_clear<QVector2D>(d);
262 break;
263#endif
264#ifndef QT_NO_VECTOR3D
265 case QVariant::Vector3D:
266 v_clear<QVector3D>(d);
267 break;
268#endif
269#ifndef QT_NO_VECTOR4D
270 case QVariant::Vector4D:
271 v_clear<QVector4D>(d);
272 break;
273#endif
274#ifndef QT_NO_QUATERNION
275 case QVariant::Quaternion:
276 v_clear<QVector4D>(d);
277 break;
278#endif
279 default:
280 qcoreVariantHandler()->clear(d);
281 return;
282 }
283
284 d->type = QVariant::Invalid;
285 d->is_null = true;
286 d->is_shared = false;
287}
288
289
290static bool isNull(const QVariant::Private *d)
291{
292 switch(d->type) {
293 case QVariant::Bitmap:
294 return v_cast<QBitmap>(d)->isNull();
295 case QVariant::Region:
296 return v_cast<QRegion>(d)->isEmpty();
297 case QVariant::Polygon:
298 return v_cast<QPolygon>(d)->isEmpty();
299 case QVariant::Pixmap:
300 return v_cast<QPixmap>(d)->isNull();
301 case QVariant::Image:
302 return v_cast<QImage>(d)->isNull();
303#ifndef QT_NO_ICON
304 case QVariant::Icon:
305 return v_cast<QIcon>(d)->isNull();
306#endif
307 case QVariant::Matrix:
308 case QVariant::TextFormat:
309 case QVariant::TextLength:
310 case QVariant::Cursor:
311 case QVariant::StringList:
312 case QVariant::Font:
313 case QVariant::Brush:
314 case QVariant::Color:
315 case QVariant::Palette:
316#ifdef QT3_SUPPORT
317 case QVariant::ColorGroup:
318#endif
319 case QVariant::SizePolicy:
320#ifndef QT_NO_SHORTCUT
321 case QVariant::KeySequence:
322#endif
323 case QVariant::Pen:
324#ifndef QT_NO_MATRIX4X4
325 case QVariant::Matrix4x4:
326#endif
327 break;
328#ifndef QT_NO_VECTOR2D
329 case QVariant::Vector2D:
330 return v_cast<QVector2D>(d)->isNull();
331#endif
332#ifndef QT_NO_VECTOR3D
333 case QVariant::Vector3D:
334 return v_cast<QVector3D>(d)->isNull();
335#endif
336#ifndef QT_NO_VECTOR4D
337 case QVariant::Vector4D:
338 return v_cast<QVector4D>(d)->isNull();
339#endif
340#ifndef QT_NO_QUATERNION
341 case QVariant::Quaternion:
342 return v_cast<QQuaternion>(d)->isNull();
343#endif
344 default:
345 return qcoreVariantHandler()->isNull(d);
346 }
347 return d->is_null;
348}
349
350static bool compare(const QVariant::Private *a, const QVariant::Private *b)
351{
352 Q_ASSERT(a->type == b->type);
353 switch(a->type) {
354 case QVariant::Cursor:
355#ifndef QT_NO_CURSOR
356 return v_cast<QCursor>(a)->shape() == v_cast<QCursor>(b)->shape();
357#endif
358 case QVariant::Bitmap:
359 return v_cast<QBitmap>(a)->cacheKey()
360 == v_cast<QBitmap>(b)->cacheKey();
361 case QVariant::Polygon:
362 return *v_cast<QPolygon>(a) == *v_cast<QPolygon>(b);
363 case QVariant::Region:
364 return *v_cast<QRegion>(a) == *v_cast<QRegion>(b);
365 case QVariant::Font:
366 return *v_cast<QFont>(a) == *v_cast<QFont>(b);
367 case QVariant::Pixmap:
368 return v_cast<QPixmap>(a)->cacheKey() == v_cast<QPixmap>(b)->cacheKey();
369 case QVariant::Image:
370 return *v_cast<QImage>(a) == *v_cast<QImage>(b);
371 case QVariant::Brush:
372 return *v_cast<QBrush>(a) == *v_cast<QBrush>(b);
373 case QVariant::Color:
374 return *v_cast<QColor>(a) == *v_cast<QColor>(b);
375 case QVariant::Palette:
376 return *v_cast<QPalette>(a) == *v_cast<QPalette>(b);
377#ifdef QT3_SUPPORT
378 case QVariant::ColorGroup:
379 return *v_cast<QColorGroup>(a) == *v_cast<QColorGroup>(b);
380#endif
381#ifndef QT_NO_ICON
382 case QVariant::Icon:
383 /* QIcon::operator==() cannot be reasonably implemented for QIcon,
384 * so we always return false. */
385 return false;
386#endif
387 case QVariant::Matrix:
388 return *v_cast<QMatrix>(a) == *v_cast<QMatrix>(b);
389 case QVariant::Transform:
390 return *v_cast<QTransform>(a) == *v_cast<QTransform>(b);
391 case QVariant::TextFormat:
392 return *v_cast<QTextFormat>(a) == *v_cast<QTextFormat>(b);
393 case QVariant::TextLength:
394 return *v_cast<QTextLength>(a) == *v_cast<QTextLength>(b);
395 case QVariant::SizePolicy:
396 return *v_cast<QSizePolicy>(a) == *v_cast<QSizePolicy>(b);
397#ifndef QT_NO_SHORTCUT
398 case QVariant::KeySequence:
399 return *v_cast<QKeySequence>(a) == *v_cast<QKeySequence>(b);
400#endif
401 case QVariant::Pen:
402 return *v_cast<QPen>(a) == *v_cast<QPen>(b);
403#ifndef QT_NO_MATRIX4X4
404 case QVariant::Matrix4x4:
405 return *v_cast<QMatrix4x4>(a) == *v_cast<QMatrix4x4>(b);
406#endif
407#ifndef QT_NO_VECTOR2D
408 case QVariant::Vector2D:
409 return *v_cast<QVector2D>(a) == *v_cast<QVector2D>(b);
410#endif
411#ifndef QT_NO_VECTOR3D
412 case QVariant::Vector3D:
413 return *v_cast<QVector3D>(a) == *v_cast<QVector3D>(b);
414#endif
415#ifndef QT_NO_VECTOR4D
416 case QVariant::Vector4D:
417 return *v_cast<QVector4D>(a) == *v_cast<QVector4D>(b);
418#endif
419#ifndef QT_NO_QUATERNION
420 case QVariant::Quaternion:
421 return *v_cast<QQuaternion>(a) == *v_cast<QQuaternion>(b);
422#endif
423 default:
424 break;
425 }
426 return qcoreVariantHandler()->compare(a, b);
427}
428
429
430
431static bool convert(const QVariant::Private *d, QVariant::Type t,
432 void *result, bool *ok)
433{
434 switch (t) {
435 case QVariant::ByteArray:
436 if (d->type == QVariant::Color) {
437 *static_cast<QByteArray *>(result) = v_cast<QColor>(d)->name().toLatin1();
438 return true;
439 }
440 break;
441 case QVariant::String: {
442 QString *str = static_cast<QString *>(result);
443 switch (d->type) {
444#ifndef QT_NO_SHORTCUT
445 case QVariant::KeySequence:
446 *str = QString(*v_cast<QKeySequence>(d));
447 return true;
448#endif
449 case QVariant::Font:
450 *str = v_cast<QFont>(d)->toString();
451 return true;
452 case QVariant::Color:
453 *str = v_cast<QColor>(d)->name();
454 return true;
455 default:
456 break;
457 }
458 break;
459 }
460 case QVariant::Pixmap:
461 if (d->type == QVariant::Image) {
462 *static_cast<QPixmap *>(result) = QPixmap::fromImage(*v_cast<QImage>(d));
463 return true;
464 } else if (d->type == QVariant::Bitmap) {
465 *static_cast<QPixmap *>(result) = *v_cast<QBitmap>(d);
466 return true;
467 } else if (d->type == QVariant::Brush) {
468 if (v_cast<QBrush>(d)->style() == Qt::TexturePattern) {
469 *static_cast<QPixmap *>(result) = v_cast<QBrush>(d)->texture();
470 return true;
471 }
472 }
473 break;
474 case QVariant::Image:
475 if (d->type == QVariant::Pixmap) {
476 *static_cast<QImage *>(result) = v_cast<QPixmap>(d)->toImage();
477 return true;
478 } else if (d->type == QVariant::Bitmap) {
479 *static_cast<QImage *>(result) = v_cast<QBitmap>(d)->toImage();
480 return true;
481 }
482 break;
483 case QVariant::Bitmap:
484 if (d->type == QVariant::Pixmap) {
485 *static_cast<QBitmap *>(result) = *v_cast<QPixmap>(d);
486 return true;
487 } else if (d->type == QVariant::Image) {
488 *static_cast<QBitmap *>(result) = QBitmap::fromImage(*v_cast<QImage>(d));
489 return true;
490 }
491 break;
492#ifndef QT_NO_SHORTCUT
493 case QVariant::Int:
494 if (d->type == QVariant::KeySequence) {
495 *static_cast<int *>(result) = (int)(*(v_cast<QKeySequence>(d)));
496 return true;
497 }
498 break;
499#endif
500 case QVariant::Font:
501 if (d->type == QVariant::String) {
502 QFont *f = static_cast<QFont *>(result);
503 f->fromString(*v_cast<QString>(d));
504 return true;
505 }
506 break;
507 case QVariant::Color:
508 if (d->type == QVariant::String) {
509 static_cast<QColor *>(result)->setNamedColor(*v_cast<QString>(d));
510 return static_cast<QColor *>(result)->isValid();
511 } else if (d->type == QVariant::ByteArray) {
512 static_cast<QColor *>(result)->setNamedColor(QString::fromLatin1(
513 *v_cast<QByteArray>(d)));
514 return true;
515 } else if (d->type == QVariant::Brush) {
516 if (v_cast<QBrush>(d)->style() == Qt::SolidPattern) {
517 *static_cast<QColor *>(result) = v_cast<QBrush>(d)->color();
518 return true;
519 }
520 }
521 break;
522 case QVariant::Brush:
523 if (d->type == QVariant::Color) {
524 *static_cast<QBrush *>(result) = QBrush(*v_cast<QColor>(d));
525 return true;
526 } else if (d->type == QVariant::Pixmap) {
527 *static_cast<QBrush *>(result) = QBrush(*v_cast<QPixmap>(d));
528 return true;
529 }
530 break;
531#ifndef QT_NO_SHORTCUT
532 case QVariant::KeySequence: {
533 QKeySequence *seq = static_cast<QKeySequence *>(result);
534 switch (d->type) {
535 case QVariant::String:
536 *seq = QKeySequence(*v_cast<QString>(d));
537 return true;
538 case QVariant::Int:
539 *seq = QKeySequence(d->data.i);
540 return true;
541 default:
542 break;
543 }
544 }
545#endif
546 default:
547 break;
548 }
549 return qcoreVariantHandler()->convert(d, t, result, ok);
550}
551
552#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
553static void streamDebug(QDebug dbg, const QVariant &v)
554{
555 switch(v.type()) {
556 case QVariant::Cursor:
557#ifndef QT_NO_CURSOR
558// dbg.nospace() << qvariant_cast<QCursor>(v); //FIXME
559#endif
560 break;
561 case QVariant::Bitmap:
562// dbg.nospace() << qvariant_cast<QBitmap>(v); //FIXME
563 break;
564 case QVariant::Polygon:
565 dbg.nospace() << qvariant_cast<QPolygon>(v);
566 break;
567 case QVariant::Region:
568 dbg.nospace() << qvariant_cast<QRegion>(v);
569 break;
570 case QVariant::Font:
571// dbg.nospace() << qvariant_cast<QFont>(v); //FIXME
572 break;
573 case QVariant::Matrix:
574 dbg.nospace() << qvariant_cast<QMatrix>(v);
575 break;
576 case QVariant::Transform:
577 dbg.nospace() << qvariant_cast<QTransform>(v);
578 break;
579 case QVariant::Pixmap:
580// dbg.nospace() << qvariant_cast<QPixmap>(v); //FIXME
581 break;
582 case QVariant::Image:
583// dbg.nospace() << qvariant_cast<QImage>(v); //FIXME
584 break;
585 case QVariant::Brush:
586 dbg.nospace() << qvariant_cast<QBrush>(v);
587 break;
588 case QVariant::Color:
589 dbg.nospace() << qvariant_cast<QColor>(v);
590 break;
591 case QVariant::Palette:
592// dbg.nospace() << qvariant_cast<QPalette>(v); //FIXME
593 break;
594#ifndef QT_NO_ICON
595 case QVariant::Icon:
596// dbg.nospace() << qvariant_cast<QIcon>(v); // FIXME
597 break;
598#endif
599 case QVariant::SizePolicy:
600// dbg.nospace() << qvariant_cast<QSizePolicy>(v); //FIXME
601 break;
602#ifndef QT_NO_SHORTCUT
603 case QVariant::KeySequence:
604 dbg.nospace() << qvariant_cast<QKeySequence>(v);
605 break;
606#endif
607 case QVariant::Pen:
608 dbg.nospace() << qvariant_cast<QPen>(v);
609 break;
610#ifndef QT_NO_MATRIX4X4
611 case QVariant::Matrix4x4:
612 dbg.nospace() << qvariant_cast<QMatrix4x4>(v);
613 break;
614#endif
615#ifndef QT_NO_VECTOR2D
616 case QVariant::Vector2D:
617 dbg.nospace() << qvariant_cast<QVector2D>(v);
618 break;
619#endif
620#ifndef QT_NO_VECTOR3D
621 case QVariant::Vector3D:
622 dbg.nospace() << qvariant_cast<QVector3D>(v);
623 break;
624#endif
625#ifndef QT_NO_VECTOR4D
626 case QVariant::Vector4D:
627 dbg.nospace() << qvariant_cast<QVector4D>(v);
628 break;
629#endif
630#ifndef QT_NO_QUATERNION
631 case QVariant::Quaternion:
632 dbg.nospace() << qvariant_cast<QQuaternion>(v);
633 break;
634#endif
635 default:
636 qcoreVariantHandler()->debugStream(dbg, v);
637 break;
638 }
639}
640#endif
641
642const QVariant::Handler qt_gui_variant_handler = {
643 construct,
644 clear,
645 isNull,
646#ifndef QT_NO_DATASTREAM
647 0,
648 0,
649#endif
650 compare,
651 convert,
652 0,
653#if !defined(QT_NO_DEBUG_STREAM) && !defined(Q_BROKEN_DEBUG_STREAM)
654 streamDebug
655#else
656 0
657#endif
658};
659
660struct QMetaTypeGuiHelper
661{
662 QMetaType::Constructor constr;
663 QMetaType::Destructor destr;
664#ifndef QT_NO_DATASTREAM
665 QMetaType::SaveOperator saveOp;
666 QMetaType::LoadOperator loadOp;
667#endif
668};
669
670extern Q_CORE_EXPORT const QMetaTypeGuiHelper *qMetaTypeGuiHelper;
671
672
673#ifdef QT_NO_DATASTREAM
674# define Q_DECL_METATYPE_HELPER(TYPE) \
675 typedef void *(*QConstruct##TYPE)(const TYPE *); \
676 static const QConstruct##TYPE qConstruct##TYPE = qMetaTypeConstructHelper<TYPE>; \
677 typedef void (*QDestruct##TYPE)(TYPE *); \
678 static const QDestruct##TYPE qDestruct##TYPE = qMetaTypeDeleteHelper<TYPE>;
679#else
680# define Q_DECL_METATYPE_HELPER(TYPE) \
681 typedef void *(*QConstruct##TYPE)(const TYPE *); \
682 static const QConstruct##TYPE qConstruct##TYPE = qMetaTypeConstructHelper<TYPE>; \
683 typedef void (*QDestruct##TYPE)(TYPE *); \
684 static const QDestruct##TYPE qDestruct##TYPE = qMetaTypeDeleteHelper<TYPE>; \
685 typedef void (*QSave##TYPE)(QDataStream &, const TYPE *); \
686 static const QSave##TYPE qSave##TYPE = qMetaTypeSaveHelper<TYPE>; \
687 typedef void (*QLoad##TYPE)(QDataStream &, TYPE *); \
688 static const QLoad##TYPE qLoad##TYPE = qMetaTypeLoadHelper<TYPE>;
689#endif
690
691#ifdef QT3_SUPPORT
692Q_DECL_METATYPE_HELPER(QColorGroup)
693#endif
694Q_DECL_METATYPE_HELPER(QFont)
695Q_DECL_METATYPE_HELPER(QPixmap)
696Q_DECL_METATYPE_HELPER(QBrush)
697Q_DECL_METATYPE_HELPER(QColor)
698Q_DECL_METATYPE_HELPER(QPalette)
699#ifndef QT_NO_ICON
700Q_DECL_METATYPE_HELPER(QIcon)
701#endif
702Q_DECL_METATYPE_HELPER(QImage)
703Q_DECL_METATYPE_HELPER(QPolygon)
704Q_DECL_METATYPE_HELPER(QRegion)
705Q_DECL_METATYPE_HELPER(QBitmap)
706#ifndef QT_NO_CURSOR
707Q_DECL_METATYPE_HELPER(QCursor)
708#endif
709Q_DECL_METATYPE_HELPER(QSizePolicy)
710#ifndef QT_NO_SHORTCUT
711Q_DECL_METATYPE_HELPER(QKeySequence)
712#endif
713Q_DECL_METATYPE_HELPER(QPen)
714Q_DECL_METATYPE_HELPER(QTextLength)
715Q_DECL_METATYPE_HELPER(QTextFormat)
716Q_DECL_METATYPE_HELPER(QMatrix)
717Q_DECL_METATYPE_HELPER(QTransform)
718#ifndef QT_NO_MATRIX4X4
719Q_DECL_METATYPE_HELPER(QMatrix4x4)
720#endif
721#ifndef QT_NO_VECTOR2D
722Q_DECL_METATYPE_HELPER(QVector2D)
723#endif
724#ifndef QT_NO_VECTOR3D
725Q_DECL_METATYPE_HELPER(QVector3D)
726#endif
727#ifndef QT_NO_VECTOR4D
728Q_DECL_METATYPE_HELPER(QVector4D)
729#endif
730#ifndef QT_NO_QUATERNION
731Q_DECL_METATYPE_HELPER(QQuaternion)
732#endif
733
734#ifdef QT_NO_DATASTREAM
735# define Q_IMPL_METATYPE_HELPER(TYPE) \
736 { reinterpret_cast<QMetaType::Constructor>(qConstruct##TYPE), \
737 reinterpret_cast<QMetaType::Destructor>(qDestruct##TYPE) }
738#else
739# define Q_IMPL_METATYPE_HELPER(TYPE) \
740 { reinterpret_cast<QMetaType::Constructor>(qConstruct##TYPE), \
741 reinterpret_cast<QMetaType::Destructor>(qDestruct##TYPE), \
742 reinterpret_cast<QMetaType::SaveOperator>(qSave##TYPE), \
743 reinterpret_cast<QMetaType::LoadOperator>(qLoad##TYPE) \
744 }
745#endif
746
747static const QMetaTypeGuiHelper qVariantGuiHelper[] = {
748#ifdef QT3_SUPPORT
749 Q_IMPL_METATYPE_HELPER(QColorGroup),
750#else
751 {0, 0, 0, 0},
752#endif
753 Q_IMPL_METATYPE_HELPER(QFont),
754 Q_IMPL_METATYPE_HELPER(QPixmap),
755 Q_IMPL_METATYPE_HELPER(QBrush),
756 Q_IMPL_METATYPE_HELPER(QColor),
757 Q_IMPL_METATYPE_HELPER(QPalette),
758#ifdef QT_NO_ICON
759 {0, 0, 0, 0},
760#else
761 Q_IMPL_METATYPE_HELPER(QIcon),
762#endif
763 Q_IMPL_METATYPE_HELPER(QImage),
764 Q_IMPL_METATYPE_HELPER(QPolygon),
765 Q_IMPL_METATYPE_HELPER(QRegion),
766 Q_IMPL_METATYPE_HELPER(QBitmap),
767#ifdef QT_NO_CURSOR
768 {0, 0, 0, 0},
769#else
770 Q_IMPL_METATYPE_HELPER(QCursor),
771#endif
772 Q_IMPL_METATYPE_HELPER(QSizePolicy),
773#ifdef QT_NO_SHORTCUT
774 {0, 0, 0, 0},
775#else
776 Q_IMPL_METATYPE_HELPER(QKeySequence),
777#endif
778 Q_IMPL_METATYPE_HELPER(QPen),
779 Q_IMPL_METATYPE_HELPER(QTextLength),
780 Q_IMPL_METATYPE_HELPER(QTextFormat),
781 Q_IMPL_METATYPE_HELPER(QMatrix),
782 Q_IMPL_METATYPE_HELPER(QTransform),
783#ifndef QT_NO_MATRIX4X4
784 Q_IMPL_METATYPE_HELPER(QMatrix4x4),
785#else
786 {0, 0, 0, 0},
787#endif
788#ifndef QT_NO_VECTOR2D
789 Q_IMPL_METATYPE_HELPER(QVector2D),
790#else
791 {0, 0, 0, 0},
792#endif
793#ifndef QT_NO_VECTOR3D
794 Q_IMPL_METATYPE_HELPER(QVector3D),
795#else
796 {0, 0, 0, 0},
797#endif
798#ifndef QT_NO_VECTOR4D
799 Q_IMPL_METATYPE_HELPER(QVector4D),
800#else
801 {0, 0, 0, 0},
802#endif
803#ifndef QT_NO_QUATERNION
804 Q_IMPL_METATYPE_HELPER(QQuaternion)
805#else
806 {0, 0, 0, 0}
807#endif
808};
809
810static const QVariant::Handler *qt_guivariant_last_handler = 0;
811int qRegisterGuiVariant()
812{
813 qt_guivariant_last_handler = QVariant::handler;
814 QVariant::handler = &qt_gui_variant_handler;
815 qMetaTypeGuiHelper = qVariantGuiHelper;
816 return 1;
817}
818Q_CONSTRUCTOR_FUNCTION(qRegisterGuiVariant)
819
820int qUnregisterGuiVariant()
821{
822 QVariant::handler = qt_guivariant_last_handler;
823 qMetaTypeGuiHelper = 0;
824 return 1;
825}
826Q_DESTRUCTOR_FUNCTION(qUnregisterGuiVariant)
827
828QT_END_NAMESPACE
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