1 Qt 4.4.2 is a bug-fix release. It maintains both forward and backward
2 compatibility (source and binary) with Qt 4.4.1 and 4.4.0.
4 The Qt version 4.4 series is binary compatible with the 4.3.x series.
5 The Qt for Embedded Linux version 4.4 series is binary compatible with
6 the Qtopia Core 4.3.x series. Applications compiled for 4.0, 4.1, 4.2,
7 and 4.3 will continue to run with 4.4.
9 Some of the changes listed in this file include issue tracking numbers
10 corresponding to tasks in the Task Tracker:
12 http://www.trolltech.com/developer/task-tracker
14 Each of these identifiers can be entered in the task tracker to obtain
15 more information about a particular change.
17 ****************************************************************************
19 ****************************************************************************
24 Third party components
25 ----------------------
29 ****************************************************************************
31 ****************************************************************************
37 * [220112] correct documentation with respect to conversions
41 * [215348] Document that uniqueKeys() doesn't sort its keys.
44 * [221702] Fix QFlags::testFlag gives a surprising result on enums with
48 * [219456] Fix QLibrary problems on Windows, loading the C runtime library
52 * Fixed storing a QPalette into a stream with a version older than Qt_2_1
55 * [221671] Fixed filtered() compile error when using filter functions that
56 takes its argument by const reference.
57 * [220804] Fix several compile errors with STL containers.
60 * [215365] The Q[Core]Application destructor now waits for all QThreadPool
61 threads to finish. This fixes ussues when unloading the Qt dlls on windows
62 as well as when using Qt features that need on a QApplication instance
67 * [215794] setWindowFilePath() didn't update window title until the
69 * [212316] Window position changed when setWindowFlags was called.
70 * [223814] Fixed a crash in QDockWidget when the docking window was
71 closed during the dock animation.
72 * [223339] Fixed a crash when a pop-up widget had the
73 WA_DeleteOnClose attribute.
75 * [214742, 205222] QFormLayout - fix nested QFormLayouts expanding
77 * [217123] Fixed a regression in QWidgetItem::setGeometry() that made an item
78 with both an Alignment and QSizePolicy::Ignored set got squeezed down to
82 * [220803] Improved the contrast of CE_RubberBand when painted on top of a dark background.
85 * [312723] Fixed broken painting on QSpinBox when using NoButtons.
87 - QGraphicsEllipseItem
88 * [207826] setStartAngle() and setSpanAngle() now call
89 prepareGeometryChange(), removing rendering artifacts.
91 - QGraphicsLinearLayout
92 * [218400] Fix crash when assigning a layout with stretches to a widget.
95 * [216741] Fix QGraphicsView::DontSavePainterState (regression to 4.3)
98 * [215417] Fixed setting the correct layoutDirection on the painter before
99 we called QGraphicsWidget::paint.
102 * [221527] Fixed a bug where the [*] placeholder was not updated correctly in tabbed view mode.
105 * [214964] Tooltips in children of the subwindow closed too fast
108 * [221721] Fix crash when trying to obtain the default value for QMessageBox::iconPixmap().
111 * [214480] Improve docs on how the effective stretch facors are calculated.
114 * [214956] Fix painting problems with text in floating frames
115 * [215192] Fix HTML alignment in QLabels with RTL
116 * [213259] Fix to handle ShortcutOverride for Ctrl+Shift+Right
119 * [214457] Fix assert when deleting empty cells
120 * [210496] Fix the usecase that QTextCursor::select( QTextCursor::LineUnderCursor )
121 doesn't work when the text has not been layed out yet
124 * [207779] Fix HTML import of page-breaks on empty lines to not get lost
125 * [212848] Fix FullWidthSelection to work if LineWrapMode set to NoWrap
126 * Fixes the positioning of bullets to always honor the text direction
129 * [219446] Fixed a bug where calling repaint() before QApplication::exec() did not
130 invoke a paintEvent().
135 * [219126] Fixed bug that caused the decimal point to appear in
136 the wrong position when converting a number with a negative
137 exponent to a string.
143 * [220926] QDateTimeEdit::textFromDateTime: valueFromText vs. date
144 TimeFromText -- clarify documentation
147 * [215426] Fixed a typo in the declaration of a Q_PROPERTY
150 * [216948] Fix one-pixel shifting of integer lines in raster paint
151 engine when current matrix has negative dx or dy.
152 * [218682] Fixed bug in QBitmap::fromData that could cause the bitmaps
153 to turn completely black on Windows and Embedded Linux.
154 * [220544] Fix issue in Freetype font engine where painting text using
155 the same font and transform on both images and pixmaps would result in
156 text not being transformed or not shown at all.
157 * [222520] Fixed issue in raster paint engine where StretchToDevice
158 mode for gradients wasn't respected.
159 * [222848] Prevent potential crash on NaN in qt_curves_for_arc()
160 when drawing squiggly underlined text.
163 * [215090] Avoid "QPixmap created outside the GUI thread" warning when
164 creating a QImage based brush.
167 * [223813] Prevent an assert when "Shift + C" was pressed if the directory
170 * [215985] Reduce memory usage in TIFF import/export to avoid failing
171 due to out-of-memory errors on large images.
172 * [217101] Make sure QImage::setPixel() doesn't call detach twice, to
173 improve the performance a bit.
176 * [215227] Fixed a problem that could occur when drawing a QPicture to a
177 QImage or QPixmap due to differing device DPIs.
180 * [214340] Prevent QPixmap::scaled() from leaving white lines at right/lower
182 * [214344] Make QPixmap::transformed() work correctly with perspective
184 * [214855] Make sure QPixmap::transformed with a 90-degree rotation transform
185 doesn't increase the size of the pixmap.
186 * [215190] Fixed crash on Windows and Embedded Linux due to QPixmap::detach()
187 not detaching the underlying QImage.
188 * [216648] QPixmap turned a QBitmap into a 32 bit QPixmap
189 when QPixmap::resize() was called on the QBitmap.
192 * [198791] Fixed bug in QMatrix::map(const QPolygon &) causing a behavioral
193 difference from Qt 3's QWMatrix.
195 * Fixed bugs in QPolygon to QRegion conversion causing to many rectangles to be
198 * [206138] Fix unaligned double access in src/corelib/global/qnumeric_p.h
200 * [216189] Fix a crash when calling QObject::dumpObjectInfo() after
201 disconnecting a signal.
203 * [216910] Use the 'eieio' instruction instead of 'lwsync' in the
204 PowerPC implementation of QAtomicInt and QAtomicPointer since the
205 latter is not available in all hardware implementations. The 'eieio'
206 instruction was used successfully in Qt 4.3 and earlier.
209 * [222222] The sizeHint for dockwidget is now respected when it is redocked
210 * [222030] The minimum size and minimum size hint are now respected
213 * [216929] Fixed the extension when the orientation is vertical
216 * [214527] Fixed the geometry of QTabBarnot being correctly updated when
220 * [218288] Fixed save/restore that would not work correctly if the window
221 was not yet shown on screen.
224 * [158984] Fixed crash while using stylesheet in combinaison with a proxy style
225 * [217470] Fixed setting a stylesheet on a QDockWidget remove its border
228 * [220298] Fixed regression where clicking outside of the first column doesn't
229 always select the item.
230 * [224598] Fixed item not always appearing when QStandardItemModel::appendColumns
232 * [212056,216390] Fixed bug where hidden items in the treeview got visible after
234 * [209473] Fixed assert/crash when selectAll were called on a treeview with no
238 * [314519] Fixed crash with very big models.
239 * [211039] Fixed assert when moving a header section in a vertical header.
243 * [214146, 215170] Fix a regression with multiple screens on
244 X11. Multiple screens are now reported with their correct size
245 regardless of how X11 is configured.
250 * [217429] Fixed issue on certain Intel drivers causing a GL error to be
251 generated when computing the max texture size in qt_gl_maxTextureSize().
255 * Fixed potential crash when deleting QWebView instances.
256 * Fixed blurry widgets in the web page due to antialiased painting.
257 * [221518] Fixed using modifiers to type special symbols (e.g '@','$')
258 does not work on Mac OS X.
259 * [216179] Fixed potential crash on Windows, when performing JavaScript
261 * Fix rendering of scrollbars with some styles
262 * Fix state of web actions when showing the context menu
263 * Fix parsing of stylesheets and JavaScripts to not depend on the current locale
264 * Fix return value of QWebPage::isModified()
265 * Fix QWebFrame::setHtml() not setting the contents immediately
266 * [218789] Fix WebKit not displaying content on 403 HTTP responses
272 * [220115] Document QDomElement::setAttribute(double)'s behavior with
279 * [219070] Fix after the QXmlQuery object is deleted it doesn't
280 seem to be cleaning up afterwards.
285 - QNetworkReply & QNetworkAccessManager
286 * [223580] Fixed the handling of HTTP replies with code 400.
287 * [215010] Fixed a bug that made SOCKSv5 proxies not be used.
288 * [217091] Fixed a bug that made the HTTP backend issue CONNECT
289 commands for HTTP (not HTTPS) requests to proxy servers
292 * [197694] Fixed a bug that prevented QHttp from uploading data of
293 length 0 when reading from a QIODevice.
300 * [219067] Document behavior of qFuzzyCompare/QCOMPARE when
307 * [220140] Fixed a bug that would make objects registered with
308 ExportSlots not have interfaces inherited from parent classes
310 * [218733] Fixed the delivery of errors resulting of an outgoing
311 method call timing out.
314 * [190546] Improved the error messages generated by QDBusReply in
315 case of mismatched signatures.
320 * [219454] Index also .htm and .txt files for the full text search.
321 * [233415] Use the proper encoding when parsing the title of a html
327 * [216806] Fixed a crash in Q3ScrollView when setting a null corner widget
328 * [215041] Fixed a crash in Q3Table when using a Q3TextEdit as the editor
329 * [217218] Fix support for images in Q3TextBrowser
333 * [214080] Fixed a failure on path reconnections between VideoWidget and MediaObject
338 * [222660] Made it possible to navigate from the application through the menubar,
339 toolbars etc, and down to the textedit without ending up on a QRubberBand or QMenu.
340 This left the AT client in a confused state.
342 ****************************************************************************
344 ****************************************************************************
347 ****************************************************************************
348 * Platform Specific Changes *
349 ****************************************************************************
353 * [211678] Fixed a problem where using widgets and pixmaps on two different
354 X11 screens resulted in X11 errors.
355 * [217250] Fixed a problem where QGLWidgets on some older X servers would
356 not get the correct colormaps set, resulting in distorted colors.
357 * [214713] Fixed a problem where text would get clipped incorrectly
358 when using QPainter::drawText() on a QGLWidget, or QGLWidget::renderText().
359 * [223085] Fixed a regression where creating a style before QApplications could
360 result in incorrect font metrics.
364 * [207506] Fixed a bug that causes input widgets to switch the text alignment
365 when pressing 'Ctrl+Shift' on Vista platforms (regardless of supported
367 * [223951] Fixed a crash while accessing 'QAxObject*' for methods returning a
368 VARIANT with IDispatch inside.
369 * [223145] Fixed a regression which prevented use of Qt::WindowSystemMenuHint
370 together with flags like Qt::FramelessWindowHint.
371 * [224063] Fixed a crash in QFile when QFile::handle() was called.
372 * [221924] Fixed the binary installer for Visual Studio 2005 Express.
373 * [218215] Fix custom paper sizes for printing under Windows.
374 * [210830] Fixed incorrect tooltip text color on Vista.
378 * [216650] Fix a regression from 4.4 in the handling of DeferredDelete
379 events. This solves the reported problem that using Cmd+W does not
380 close a form properly in the Designer.
381 * Fix an error in the qconfig.h header file that occurred on Mac OS X
382 during configure when not using Terminal.app.
383 * [222349] Fix a potential out-of-bounds read when getting data from the clipboard.
384 * [213116] Fix a regression where minimizing a window would cause a window
385 with widgets that had no click through enabled to never get enabled.
386 * [215985] Fixed QPixmap::fromImage() to not do an extra copy of the image data
387 which could cause a lot of memory to be used.
388 * [217197] Fix crash when dragging text with object replacement characters on the Mac.
389 * [212884] Fixed a crash that could occur when printing images on the Mac.
390 * [215909] Fixed a problem where text drawn into a QGLWidget on the Mac would appear
391 to be drawn with a bold type, when it shouldn't have.
392 * [215761] Fixed a problem that could make top part of text drawn
393 into a QGLWidget appear cropped.
394 * [214960] Fixed a problem where custom page margins were not taken
395 into account, unless QPrinter::fullPage() was set to true. Also,
396 margins from the QPageSetupDialog should now update the internal
397 QPrinter margins correctly.
398 * [216563] Fix "black widgets" regression from 4.4.
399 * [214681] Fixed bug that the menu bar and other parts of the application
400 responds to the same shortcuts.
401 * [312012] Fixed support for secondary shortcuts on menu bar.
402 * [315450] Fixed build issue for Phonon on OS 10.4/Macbooks regarding OpenGL headers.
404 Qt for Embedded Linux
405 ---------------------
407 - Raster paint engine
408 * Fixed pixel errors when drawing pixmaps into a semi-transparent window.
409 * Fixed an assert when drawing an 16-bit image onto an image of format
410 QImage::Format_ARGB8565_Premultiplied.
411 * [217400] Fixed painting errors with Qt::WA_NoSystemBackground used on
413 * Fixed CompositionMode_Source with new QImage formats introduced in 4.4.0.
416 * [210865] Fixed crash due to missing null-pointer check in
417 QWSServer::sendIMEvent().
419 - DirectFB screen driver
420 * Fixed a cache corruption which randomly resulting in painting errors
421 when using QPainter::drawImage().
422 * Fixed use of Qt::SmoothTransformation with QPixmap::scaled().
423 * Fixed painting errors when drawing transparent windows and compiled
424 width QT_NO_DIRECTFB_VM.
425 * Added QT_NO_DIRECTFB_PREALLOCATED to work around issues with drivers
426 not properly implementing blitting to/from preallocated surfaces.
429 * Fixed a crash when used on top of a screen with a non-standard line step.
430 * Fixed remote cursor when used on top of a hardware accelerated cursor.
434 * [219644] Maximized MDI windows had a double title bar on Windows Mobile.
435 * [223975] Qt version displayed wrong in Windows Explorer.
436 * [217576] QLocale always displayed "C" as language.
437 * [215020] Windows with parent were always embedded into the parent window
438 instead of being toplevel itself.
441 ****************************************************************************
442 * Compiler Specific Changes *
443 ****************************************************************************
447 ****************************************************************************
449 ****************************************************************************
454 * [221298] When triggering the sync contents action, activate the contents
456 * [171654] Use the title of the .html file as the about dialog window title.
457 * [219939] When specifying a .html file for the about dialog contents,
458 ensure that the referenced image files are displayed as well.
459 * [219936] When a collection file has been changed, make sure to syncronize
460 all relavant settings with the cached collection file.
461 * [206321] Display .svg files in Assistant.
462 * [219176] Escape '&' characters in the title of a document.
466 * [219670] Fixed a bug related to layout handling of form classes generated
467 by the Visual Studio integration.
468 * [220299] Fixed a crash that occurred when breaking a layout containing
470 * [217464] Fixed a bug related to using resource-dependent properties
471 for QDialog-based forms.
472 * [215188] Stabilized reading of corrupted ui files.
473 * [215648] Don't show the rich text editor for iconText property of QAction
474 * [214854] Fix displaying of icons in the VS integration
475 * [217093] Make non-letter shortcuts with Shift modifier working
476 * [223114] Fixed a crash when removing a dynamic url property
477 * [220998] Default precision of float property in property editor changed to 6
504 ****************************************************************************
506 ****************************************************************************
509 ****************************************************************************
510 * Important Behavior Changes *
511 ****************************************************************************