|
1 Qt 4.1 introduces many new features as well as many improvements and |
|
2 bugfixes over the 4.0.x series. For more details, see the online |
|
3 documentation which is included in this distribution. The |
|
4 documentation is also available at http://qt.nokia.com/doc/ |
|
5 |
|
6 The Qt version 4.1 series is binary compatible with the 4.0.x series. |
|
7 Applications compiled for 4.0 will continue to run with 4.1. |
|
8 |
|
9 **************************************************************************** |
|
10 * General * |
|
11 **************************************************************************** |
|
12 |
|
13 Qt library |
|
14 ---------- |
|
15 |
|
16 - Introduced widget backing store support, allowing semi-transparent |
|
17 (alpha-blended) child widgets and faster widget painting, as well |
|
18 as solving long-lasting issues with non-rectangular widgets. |
|
19 |
|
20 - Integrated support for rendering Scalable Vector Graphics (SVG) |
|
21 drawings and animations (QtSvg module). |
|
22 |
|
23 - A Portable Document Format (PDF) backend for Qt's printing system. |
|
24 |
|
25 - A unit testing framework for Qt applications and libraries. |
|
26 |
|
27 - Modules for extending Qt Designer and dynamic user interface |
|
28 building. |
|
29 |
|
30 - Additional features for developers using OpenGL, such as support |
|
31 for pixel and sample buffers. |
|
32 |
|
33 - A flexible syntax highlighting class based on the Scribe rich text |
|
34 framework. |
|
35 |
|
36 - Support for network proxy servers using the SOCKS5 protocol. |
|
37 |
|
38 - Support for OLE verbs and MIME data handling in ActiveQt. |
|
39 |
|
40 - Support for universal binaries on Mac OS X. |
|
41 |
|
42 Qt Designer |
|
43 ----------- |
|
44 |
|
45 - Added support for editing menu bars and tool bars. |
|
46 |
|
47 - Added support for adding comments to string properties. |
|
48 |
|
49 - Added new static QtUiTools library with improved |
|
50 QUiLoader API for loading designer forms at run-time. |
|
51 |
|
52 - Added support for namespaces in uic generated code. |
|
53 |
|
54 - Added support for dock widgets in main windows. |
|
55 |
|
56 - Added support for editing table, tree and list widgets. |
|
57 |
|
58 - Improved palette editing and resource support. |
|
59 |
|
60 QTestLib |
|
61 -------- |
|
62 |
|
63 - Added QTestLib, the Qt Unit Testing Library. See the "QTestLib" |
|
64 chapter in the Qt documentation for more information. |
|
65 |
|
66 - Users of older versions of QtTestLib can use the updater utility in |
|
67 tools/qtestlib/updater to convert existing autotests to work with |
|
68 QTestLib. |
|
69 |
|
70 Boost |
|
71 ----- |
|
72 |
|
73 Added boost compatible syntax for declaring signals and slots. If you |
|
74 define the macro QT_NO_KEYWORDS, "Q_SIGNALS" and "Q_SLOTS" are |
|
75 recognized as keywords instead of the default "signals" and "slots". |
|
76 Added a new keyword to qmake to enable this macro: CONFIG += no_keywords. |
|
77 |
|
78 ActiveQt |
|
79 -------- |
|
80 |
|
81 QAxServer now supports mime-type handling - a ActiveX control can be |
|
82 registered to handle a certain file extension and mime-type, in which |
|
83 case QAxBindable::load and QAxBindable::save can be reimplemented to |
|
84 serialize the object. |
|
85 |
|
86 Build system |
|
87 ------------ |
|
88 |
|
89 Added support for linking static plugins into the application. |
|
90 |
|
91 Qt 3 to 4 Porting Tool |
|
92 ---------------------- |
|
93 |
|
94 Q(V|H)BoxLayout and QGridLayout usage is now ported to use |
|
95 Q3(V|H)BoxLayout/Q3GridLayout, to retain the margin/spacing behavior |
|
96 as in Qt 3. |
|
97 |
|
98 Meta Object Compiler (moc) |
|
99 -------------------------- |
|
100 |
|
101 - Added support for const signals. |
|
102 |
|
103 Qt Assistant |
|
104 ------------ |
|
105 |
|
106 - Added -docPath command line option for easy setting of the |
|
107 document root path. |
|
108 |
|
109 QMake |
|
110 ----- |
|
111 |
|
112 - Added support for new FORMS3 profile variable to make it possible |
|
113 to have Qt Designer forms from Qt 3 and Qt 4 in the same project. |
|
114 |
|
115 - Added support for precompiled headers on win32-g++ (MinGW) |
|
116 |
|
117 Compilers |
|
118 --------- |
|
119 |
|
120 Added support for Solaris 10 on AMD64 with the compiler provided by |
|
121 Sun. |
|
122 |
|
123 |
|
124 **************************************************************************** |
|
125 * Library * |
|
126 **************************************************************************** |
|
127 |
|
128 |
|
129 New classes |
|
130 ----------- |
|
131 |
|
132 - QTreeWidgetItemIterator |
|
133 Added iterator to help iterating over items in a QTreeWidget. |
|
134 |
|
135 - QStringFilterModel |
|
136 Allows you to provide a subset of a model to a view based on a |
|
137 regular expression. |
|
138 |
|
139 - QSyntaxHighlighter |
|
140 The QSyntaxHighlighter class allows you to define syntax |
|
141 highlighting rules. |
|
142 |
|
143 - QAbstractFileEngine |
|
144 A base class for implementing your own file and directory |
|
145 handling back-end for QFile, QFileInfo and QDir. |
|
146 |
|
147 - QAbstractFileEngineHandler |
|
148 For registering a QAbstractFileEngine subclass with Qt. |
|
149 |
|
150 - QFSFileEngine |
|
151 The default file engine for regular file and directory access |
|
152 in Qt. |
|
153 |
|
154 - Q3(H|V)BoxLayout and Q3GridLayout |
|
155 Layout classes provided for compatibility that behave the same |
|
156 as the Qt 4 classes but use a zero margin/spacing by default, |
|
157 just like in Qt 3. |
|
158 |
|
159 - Added qFromLittleEndian, qToLittleEndian, qFromBigEndian and |
|
160 qToBigEndian endian helper conversion functions (qendian.h) |
|
161 |
|
162 - Q_EXPORT_PLUGIN2 macro |
|
163 Obsoletes Q_EXPORT_PLUGIN and allows static linking of |
|
164 plugins. |
|
165 |
|
166 - Q3ComboBox |
|
167 For enhanced backwards compatibility with Qt 3. |
|
168 |
|
169 - QGLPbuffer |
|
170 For creating and managing OpenGL pixel buffers. |
|
171 |
|
172 - QNetworkProxy |
|
173 For setting up transparent (SOCKS5) networking proxying. |
|
174 |
|
175 - QDirectPainter (Qtopia Core only) |
|
176 Provides direct access to video framebuffer hardware. |
|
177 |
|
178 |
|
179 General improvements |
|
180 -------------------- |
|
181 |
|
182 - QByteArray |
|
183 Added toLong() and |
|
184 |
|
185 - QColorDialog |
|
186 Fix shortcut and focus for "Alpha channel" spinbox. |
|
187 |
|
188 - QLinkedList |
|
189 Added conversion methods to convert from/to STL lists. |
|
190 |
|
191 - QMap/QHash |
|
192 Fixed operator>>() to read back multiple values associated |
|
193 to a same key correctly. |
|
194 Added constFind(), for finding an item without causing a |
|
195 detach. |
|
196 |
|
197 - QMap/QHash |
|
198 Const-correctness in const_iterator's operator--(int). |
|
199 |
|
200 - QMainWindow |
|
201 The saveState() and restoreState() functions no longer |
|
202 fallback to using the windowTitle property when the objectName |
|
203 property is not set on a QToolBar or QDockWidget; this |
|
204 behavior was undocumented and has been removed. |
|
205 |
|
206 - QToolBar |
|
207 Added Qt 3 compatibility signal visibilityChanged(bool). |
|
208 |
|
209 - QMetaType |
|
210 Class is now fully reentrant. |
|
211 Metatypes can be registered or queried from multiple threads. |
|
212 Added qMetaTypeId<T>(), which returns the meta type ID of T at |
|
213 compile time. |
|
214 |
|
215 - QMetaProperty |
|
216 Added isResettable(). |
|
217 |
|
218 - QSql |
|
219 Oracle plugin adds support for authentication using external |
|
220 credentials. |
|
221 Added isValid() to QSqlError. |
|
222 |
|
223 - QThread |
|
224 Added setPriority() and priority(), for querying and setting |
|
225 the priority of a thread. |
|
226 |
|
227 - QTreeWidgetItem/QTreeWidget |
|
228 Added new constructors and addChildren(), insertChildren(), |
|
229 takeChildren(), insertTopLevelItems(), addTopLevelItems to |
|
230 speed up insertion of multiple items. |
|
231 |
|
232 - QTextDocument |
|
233 Added the class QTextBlockUserData and added the possibility |
|
234 of storing a state or custom user data in a QTextBlock |
|
235 Added useDesignMetrics property, to enable the use of design |
|
236 metrics for all fonts in a QTextDocument. |
|
237 |
|
238 - QTextFormat |
|
239 Added support for setting the font pixel size. |
|
240 Added UserObject to QTextFormat::ObjectTypes enum. |
|
241 |
|
242 - QMetaType |
|
243 The value of QMetaTypeId<T>::Defined indicates whether a given |
|
244 type T is supported by QMetaType. |
|
245 |
|
246 - QAbstractItemView |
|
247 Added setIndexWidget() and indexWidget() which makes it |
|
248 possible to set a widget at a given index. |
|
249 |
|
250 Added a QAbstractItemView::ContiguousSelection mode. |
|
251 Added scrollToTop() and scrollToBottom(). |
|
252 Changed signals pressed(), clicked() and doubleClicked() to |
|
253 only emit when the index is valid. |
|
254 |
|
255 - QAbstractItemModel |
|
256 Added a SizeHintRole that can be set for each item. The item |
|
257 delegate will now check for this value before computing the |
|
258 size hint based on other item data. |
|
259 |
|
260 Add QModelIndex::operator<() so we are able to use them in |
|
261 QMap and other containers. |
|
262 |
|
263 Added qHash function for QModelIndex. |
|
264 |
|
265 - QTableWidget |
|
266 Added cellWidget() and setCellWidget() which makes it possible |
|
267 to set a widget at a specified cell. |
|
268 |
|
269 Added setCurrentCell(). |
|
270 |
|
271 Added QTableWidgetItem copy constructors. |
|
272 |
|
273 |
|
274 - QTreeWidget |
|
275 Added setItemWidget() and itemWidget() which makes it possible |
|
276 to set a widget on an item. |
|
277 |
|
278 - QListWidget |
|
279 Added setItemWidget() and itemWidget() which makes it possible |
|
280 to set a widget on an item. |
|
281 |
|
282 Added QListWidgetItem copy constructors. |
|
283 |
|
284 - QMutableMapIterator |
|
285 Added value() overloads to Java-style iterators that return |
|
286 non-const references. |
|
287 |
|
288 - QTextTable |
|
289 Added mergeCells() and splitCells() to be able to set the row |
|
290 or column span on a table cell. |
|
291 |
|
292 - QStyle |
|
293 Added standardIcon() which returns a default icon for standard |
|
294 operations. |
|
295 Added State_ReadOnly, which is enabled for read-only widgets. |
|
296 |
|
297 Renamed QStyleOption::init() to initFrom(). |
|
298 - QGroupBox is now completely stylable (QStyleOptionGroupBox). |
|
299 - QToolBar is now stylable according to its position in the |
|
300 toolbar dock area (QStyleOptionToolBar). |
|
301 - Indeterminate (busy) progress bars are now animated properly |
|
302 in all styles. |
|
303 - By popular request, the default toolbar icon size |
|
304 (PM_ToolBarIconSize) in Windows and Plastique styles has |
|
305 been changed to 24 x 24 (instead of 16 x 16 in Windows and |
|
306 32 x 32 in Plastique). |
|
307 |
|
308 Added PM_DockWidgetTitleMargin as pixel metric. |
|
309 |
|
310 - QHash |
|
311 Make it possible to use QHash with a type that has no default |
|
312 constructor. |
|
313 |
|
314 - QTableView |
|
315 Made QTableView::setShowGrid() a slot, like in Qt 3. |
|
316 Added setRowHeight() and setColumnWidth(). |
|
317 |
|
318 - QTableWidgetSelectionRange |
|
319 Added rowCount() and columnCount() convenience functions. |
|
320 |
|
321 - QSettings |
|
322 Added support for custom formats in QSettings. |
|
323 |
|
324 - QTextStream |
|
325 Added status(), setStatus() and resetStatus() for improved |
|
326 error handling. |
|
327 Added read(qint64 maxlen), for reading parts of a text stream |
|
328 into a QString. |
|
329 |
|
330 - QTextCursor |
|
331 Added support for BlockUnderCursor selection type. |
|
332 |
|
333 - QHeaderView |
|
334 Added defaultSectionSize property which tells the default size |
|
335 of the header sections before resizing. |
|
336 |
|
337 - QScrollBar |
|
338 Added context menu to the scrollbar with default navigation |
|
339 options. |
|
340 |
|
341 - QScrollArea |
|
342 Added ensureVisible(), which can scroll the scrollarea to make |
|
343 sure a specific point is visible. |
|
344 |
|
345 - QDateTime |
|
346 Added addMSecs(), which adds a number of milliseconds to the QDateTime. |
|
347 |
|
348 - QDateTimeEdit |
|
349 Added support for more date/time formats. |
|
350 Now allows multiple sections of the same type. |
|
351 |
|
352 - QButtonGroup |
|
353 Added handling of buttons with IDs to the buttongroup like in |
|
354 Qt 3. |
|
355 |
|
356 - QIODevice |
|
357 Added peek() for peeking data from a device. |
|
358 |
|
359 - QTextEdit |
|
360 Added property tabStopWidth which sets the tab stop width in |
|
361 pixels. |
|
362 append(const QString &) is now a public slot. |
|
363 Added support for inserting Unicode control characters through |
|
364 the context menu. |
|
365 Added property acceptRichText, for whether or not the text |
|
366 edit accepts rich text insertions by the user. |
|
367 Added overwriteMode property. |
|
368 |
|
369 - QDataStream |
|
370 Added skipRawData(). |
|
371 Added support for QRegExp. |
|
372 |
|
373 - QProgressBar |
|
374 Added support for vertical progress bars. |
|
375 |
|
376 - QImageIOHandler |
|
377 The name() function has been obsoleted; use format() instead. |
|
378 Added QImageIOHandler::Animation, for determining if the image |
|
379 format supports animation. |
|
380 Added QImageIOHandler::BackgroundColor, for setting the |
|
381 background color for the image loader. |
|
382 |
|
383 - QImageReader |
|
384 Added setBackgroundColor() and backgroundColor(), for setting |
|
385 the background color of an image before it is read. |
|
386 Added supportsAnimation(), for checking if the image format |
|
387 supports animation. |
|
388 |
|
389 - QImageWriter |
|
390 Added support for saving image text. |
|
391 |
|
392 - QLocale |
|
393 Added dateFormat()/timeFormat() to query the date/time format |
|
394 for the current locale. |
|
395 Added toString() overloads for localized QTime and QDate |
|
396 output. |
|
397 Added decimalPoint(), groupSeparator(), percent(), |
|
398 zeroDigit(), negativeSign() and exponential(), which provide a |
|
399 means to generate custom number formatting. |
|
400 |
|
401 - QHostInfo |
|
402 Added support for reverse name lookups. |
|
403 |
|
404 - QHostAddress |
|
405 Added a QString assignment operator |
|
406 Added convenience functions for initializing from a native |
|
407 sockaddr structure. |
|
408 Added support for the IPv6 scope-id. |
|
409 |
|
410 - QPrinter |
|
411 Added property "embedFonts" for embedding fonts into the |
|
412 target document. |
|
413 Added support for printing to PDF. |
|
414 Added support for custom print and paint engines |
|
415 |
|
416 - QPrintEngine |
|
417 Added PPK_SuppressSystemPrintStatus, for suppressing the |
|
418 printer progress dialog on Mac OS X. |
|
419 |
|
420 - QKeySequence |
|
421 Added fromString() and toString() for initializing a key |
|
422 sequence from, and exporting a key sequence to a QString. |
|
423 |
|
424 - QUrl |
|
425 Added the port(int) function, which provides a default value |
|
426 for the port if the URL does not define a port. |
|
427 Support for decoding Punycode encoded hostnames in URLs. |
|
428 Made the parser more tolerant for mistakes, and added a |
|
429 ParsingMode flag for selecting strict or tolerant parsing. |
|
430 Added support for the NAMEPREP standard in our i18n domain |
|
431 name support. |
|
432 |
|
433 - QDir |
|
434 Added the filter QDir::NoDotAndDotDot, for the |
|
435 special directories "." and "..". |
|
436 Added the filter QDir::AllEntries, for all entries |
|
437 in a directory, including symlinks. |
|
438 |
|
439 |
|
440 - QAbstractSocket |
|
441 Added slots connectToHostImplementation() and |
|
442 disconnectFromHostImplementation() to provide polymorphic |
|
443 behavior for connectToHost() and disconnectFromHost(). |
|
444 |
|
445 - QMenuBar |
|
446 Added setActiveAction(), which makes the provided action |
|
447 active. |
|
448 |
|
449 - QProxyModel |
|
450 This class has been obsoleted (see QAbstractProxyModel) |
|
451 |
|
452 - QWidget |
|
453 Now supports three modes of modality: NonModal, WindowModal |
|
454 and ApplicationModal. |
|
455 Added Qt::WindowModality, obsoleted WA_ShowModal and |
|
456 WA_GroupLeader. |
|
457 Added Qt::WA_OpaquePaintEvent widget attribute, obsoleting |
|
458 Qt::WA_NoBackground. |
|
459 Added boolean autoFillBackground property. |
|
460 Child widgets now always inherit the contents of their parent. |
|
461 |
|
462 - QPalette |
|
463 Added QPalette::Window (obsoletes Background) and |
|
464 QPalette::WindowText (obsoletes Foreground). |
|
465 |
|
466 - QHttpResponseHeader |
|
467 Added two constructors and the function setStatusLine() for |
|
468 generating a response header. |
|
469 |
|
470 - QBitArray |
|
471 Added count(bool), for counting on and off-bits in a bit |
|
472 array. |
|
473 |
|
474 - QVariant |
|
475 Added support for QRegExp |
|
476 |
|
477 - QRegExpValidator |
|
478 Added the property "regExp". |
|
479 |
|
480 - QTabBar |
|
481 Added the property "iconSize", for setting the size of the |
|
482 icons on the tabs. |
|
483 |
|
484 - QLineEdit |
|
485 Added support for inserting Unicode control characters through |
|
486 the context menu. |
|
487 |
|
488 - QString |
|
489 Added toLong() and toULong(). |
|
490 Support for std::string conversions with embedded \0 |
|
491 characters. |
|
492 |
|
493 - QRegion |
|
494 Added translate(), like QRect::translated(). |
|
495 |
|
496 - QProcess |
|
497 Added systemEnvironment(), which returns the environment |
|
498 variables of the calling process. |
|
499 Added exitStatus(), and added a new finished() signal which |
|
500 takes the exit status as a parameter. |
|
501 |
|
502 - QComboBox |
|
503 Made setCurrentIndex() a slot. |
|
504 |
|
505 - QFontDataBase |
|
506 Added styleString(), for retrieving the style string from a |
|
507 QFontInfo. |
|
508 Added support for Myanmar fonts. |
|
509 |
|
510 - QFontMetrics |
|
511 Added xHeight(), which returns the 'X' height of the font. |
|
512 |
|
513 - QCoreApplication |
|
514 Added arguments(), which returns a list of command line |
|
515 arguments as a QStringList. |
|
516 |
|
517 - QTcpSocket |
|
518 Added support for SOCKS5 via setProxy(). |
|
519 |
|
520 - QUdpSocket |
|
521 Added property "bindMode", for binding several sockets to the |
|
522 same address and port. |
|
523 |
|
524 - QPen |
|
525 Added support for custom dash pattern styles and miter limits. |
|
526 Added support for QDebug. |
|
527 |
|
528 - QDebug |
|
529 Added support for QVector and QPair output. |
|
530 |
|
531 - QStringListModel |
|
532 Added support for sorting. |
|
533 |
|
534 - QOpenGLPaintEngine |
|
535 Gradients in the OpenGL paint engine are now drawn using |
|
536 fragment programs, if the extension is available. Lots of |
|
537 fixes, speedups and tweaks. |
|
538 |
|
539 |
|
540 Platform-Specific changes |
|
541 ------------------------- |
|
542 |
|
543 Windows: |
|
544 |
|
545 - Painting |
|
546 Added support for ClearType text rendering. |
|
547 |
|
548 - File Engine |
|
549 Added support for long filenames/paths. |
|
550 |
|
551 X11: |
|
552 |
|
553 - QWidget |
|
554 Added support for freedesktop.org startup notifications. |
|
555 |
|
556 Mac OS X: |
|
557 |
|
558 - Added support for universal binaries |
|
559 - Improved support for the VoiceOver accessibility tool in Mac OS X 10.4 |
|
560 and later |
|
561 |
|
562 |
|
563 3rd-party libraries |
|
564 ------------------- |
|
565 |
|
566 - zlib |
|
567 Upgraded to zlib 1.2.3. |
|
568 |
|
569 - FreeType |
|
570 Upgraded to FreeType 2.1.10. |
|
571 |
|
572 - SQLite |
|
573 Upgraded to SQLite 3.2.7 |