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qt6windows7/dist/changes-4.5.2
kleuter 85d238dfda qt 6.5.1 original
2023-10-29 23:33:08 +01:00

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Qt 4.5.2 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 4.5.1. For more details,
refer to the online documentation included in this distribution. The
documentation is also available online:
http://qt.nokia.com/doc/4.5
The Qt version 4.5 series is binary compatible with the 4.4.x series.
Applications compiled for 4.4 will continue to run with 4.5.
Some of the changes listed in this file include issue tracking numbers
corresponding to tasks in the Task Tracker:
http://qt.nokia.com/developer/task-tracker
Each of these identifiers can be entered in the task tracker to obtain more
information about a particular change.
****************************************************************************
* General *
****************************************************************************
General Improvements
--------------------
- Documentation and Examples
* Added a new example (fancy browser) which shows how to use jQuery
in QtWebKit.
****************************************************************************
* Library *
****************************************************************************
- QtDBus
* [236955] Fixed an issue that would cause QtDBus to crash when
relaying a signal emitted from a class under certain conditions.
- QtOpenGL
* [247083] Re-enabled anti-aliasing for large font sizes in OpenGL paint
engine.
* [251485] Fixed crash that could occur with projective transforms and
high quality antialiasing.
* [253468] Fixed a crash in the GL 2 paint engine that could occur
when drawing text.
- QtWebKit
* Backported fixes for critical bugs, memory leaks, and crashes from
WebKit trunk (with revision numbers) related to:
Canvas (r40546, r41221 r41355, r42996, r43645)
Memory (r41527, r43764, r43828, r43830)
JavaScript (r39882, r40086, r40131, r40133)
Rendering (r41285, r41296, r41659, r42887)
Network (r41664, r42516, r42747)
Plugins (r41346, r43550, r43915, r43917, r43923)
Clipboard (r41360)
SVG (r43590, r43795)
* Backported various security fixes (r41262, r41568,
r41741, r41854, r42081, r42216, r42223, r42333,
r42365, r42532, r42533, r44010)
- QAbstractItemView
* [250754] Changing the font of the view did not update the size of the
items if there was an application style sheet.
* [252532] Pressing enter in a QPlainTextEdit embedded in an item view
now inserts a newline
- QAbstractNetworkCache
* Only cache responses to HTTP GET by default, not HTTP PUT or POST.
- QApplication
* [249589] Fixed bug that prevented any part of the application from
receiving focus when Graphics View was disabled using
QT_NO_GRAPHICSVIEW.
- QByteArrayMatcher
* [251958] Assignment operator and copy constructor miss data.
- QComboBox
* [253944] Changing the style doesn't reset custom item delegate anymore.
* [254589] Fixed the frame appearing if setting a style sheet with a
border on the embedded item view while there is a style sheet on the
application.
- QCompleter
* [253125] QCompleter doesn't expand entries with
UnfilteredPopupCompletion.
- QCssParser
* [252311] "font-family:" now handle fallback font specified with a
comma-separated list.
- QDir
* Fix reentrancy (listing directories in different threads)
- QFile and QTemporaryFile
* Fixed a leak of file descriptors in QTemporaryFile::rename,
introduced in 4.5.1
* [165920] QFile::copy leaves the source file open after the file has
been copied.
* [191467] & [252293] QFile::copy of resource files to the file system
fails on Windows.
* [197857] QFile::copy of resource files leaves temporary files on
file system.
* [248223] QTemporaryFile: Access denied error when (re-)opening through
QFile interface.
* [252659] QTemporaryFile::rename may leave source file behind.
- QFileSystemModel
* [254701] QFileSystemModel doesn't sort subfolders when being used in a
QTreeView.
* [251295] Windows path names incorrectly constructed in calls to
updateIcon().
- QFileDialog
* [251341] It is not possible to remove a directory in the sidebar if the
directory does not exist.
* [251321] Hidden path in QFileDialog's sidebar cannot be opened.
* [226483] setSidebarUrls() handles the URLs case sensitively so that
adding the same directory twice is possible - Windows.
* [252068] QFileDialog with QSortFilterProxyModel crashes.
* [254490] QFileDialog selectFile() doesn't clear the selection if we
call it several times.
- QFontDialog
* [252000] Ensure that QFontDialog::getFont() works on Mac OS X.
- QGraphicsItem
* [197802] Don't show children when parent is not visible
* [252913] QGraphicsItem::setOpacity(0.0) does not trigger an update
- QGraphicsView
* [253415] Reset the 'connectedToScene' flag when changing the scene of a view
- QGraphicsWidget
* Fixed a bug with Qt::WidgetWithChildren shortcut context.
- QGtkStyle
* [250731] Fixed a build issue with glib version lower than 2.3.2
* [254342] Fixed a potential crash when system theme changes occur.
* [254614] Fixed an assert or warning related to GtkEntry focus handling
reported with certain versions of GTK+.
- QLocalSocket
* [247144] Correctly handle remote disconnects.
- QMacStyle
* [253339] Don't draw arrows on tool buttons that have a menu and text
only.
* [252301] Ensure that small and mini spin boxes are drawn correctly.
- QMotifStyle
* Fix crash when changing style and destroying progress bar.
- QNetworkAccessManager
* [248838] Make QNetworkAccessManager reject invalid HTTP input
earlier.
- QNetworkCookie
* [251959] Fixed parsing of multiple cookies separated by a newline.
- QNetworkCookieJar
* [251467] Do not allow cookies for domains like ".com".
* [228974] Allow cookies whose domain attribute is missing a leading
dot.
- QObject
* Fixed possible race condition if two QObject connected together with
signals and slots are destroyed in different threads.
- QPainter
* [253783] Fixed text shaping bugs when using ligatures and different
scripts in a single text item.
* Fixed various inconsistencies for image drawing on non-integer
coordinates.
* Fixed bug with 0-opacity causing images to be drawn fully opaque.
* Fixed crash when drawing on a null pixmap.
* [251534] Fixed issue where text with non-opaque color from widget
palette would be blitted instead of blended.
* [253663] Fixed an issue with implicitly closed poly lines when using
perspective transforms.
- QPrintDialog
* [253135] Crash in QPrintDialog when editing output filename.
* [252873] Fixed an issue that could cause QPrintDialog to invalidate
a valid QPrinter object.
* [224728] Fixed an issue under X11 where QPrintDialog didn't update
the print-to-file state if it was passed a QPrinter set up to
print PDF or PostScript.
- QPrinter
* [252873] Fixed an issue with QPrinter::NativeFormat printers not
being valid.
* [248881] Fixed an issue under Windows where QPrinter::pageRect()
returned the wrong rect when QPrinter::fullPage() was set.
* [199271] Fixed an issue with QPrinter::setPrinterName()/printerName()
on Mac.
- QProgressBar
* [252283] Fixed busy indicator for a QProgressBar with a style sheet
applied to it.
- QSelectionModel
* [252069] Fix QSelectionModel::rowIntersectsSelection or
QSelectionModel::columnsIntersectsSelection not reporting right result
if some items are disabled.
- QSortFilterProxyModel
* [250023] Fixes QSortFilterProxyModel not reporting child if the model
needs to fetchMore().
* [251296] In dynamic filter model, children of temporarily filtered
items were not correctly updated.
* [252507] Show a warning instead of crashing if invalid indexes are
passed.
* [254234] Fixed setDynamicSortFilter not working when setting the model
initially.
- QString
* Fixed reentrancy of QString::squeeze().
- QSvg
* [253614] Fixed an issue with parsing the 'stroke-dasharray' SVG
attribute.
- QSvgIconEngine
* [251106] Fixed an issue that caused QIcon::actualSize() to reparse
the SVG file for each acutalSize() call until QIcon::pixmap() was
called.
* [248848] Fixed an issue that would cause QIcon::pixmap() to reparse
the SVG file, even though there was a cached pixmap for that size
available.
- QTabBar
* [252472] Fixed problem with the current tab not being visible after
calling setTabButton() on a scrolled tab bar.
- QToolButton
* [252554] Fixed a problem where text labels would be partially clipped
when using Qt::ToolButtonTextUnderIcon.
- QTransform
* Fixed issue in QTransform::type() causing a projective transform to be
treated as a scaling transform.
- QVector
* Fixed reentrancy of QVector::reserve().
- QWidget
* [250668] Don't send extra wheel events when using the scroll wheel in
Cocoa.
* [253448] Prevent a crash when using the Qt::WA_MacBrushedMetal
attribute in conjunction with style sheets.
- QWizard
* [252662] Fixed crash that could happen when compiling on Windows XP
and running on older Windows versions like 98 and 2000.
****************************************************************************
* Platform Specific Changes *
****************************************************************************
Qt for Linux/X11
----------------
[253186] Fixed compile error in qfontengine_ft.cpp on 64-bit platforms with
legacy FreeType headers.
[241361] Prevented asynchronous access to non-thread safe libfontconfig API.
[244362] Worked around X server crash when calling XFillPolygon with more
than 200000 points by falling back to raster paint engine.
[250326] Title bar wasn't shown on X11 with Qt::CustomizeWindowHint for
fixed-size windows.
[251925] Improved showing QMessageBox on small screens.
[252042] Fixed the loading of the OpenSSL libraries on OpenBSD.
[255311] Fixed an issue with '-graphicssystem raster' on 8 and 16 bit X
servers.
[252328] Fixed an issue when rendering old XLFD fonts on X11 with Xrender
and Fontconfig enabled.
[248720] Fixed an issue with using '-graphicssystem raster' on X servers
with BGR color layout.
[196152] Fixed a problem with QPixmap::toImage() on big endian systems that
would cause the R and B channels to be swapped for 32 bit pixmaps.
[251928] Made the file dialog show suffixes if no filter name is provided
when using the GTK+ file dialog.
Qt for Windows
--------------
Fixed an issue with text rendering in 16 bit mode.
[246196] Fixed an issue with clipped glyphs when rendering text with
certain fonts.
[251259] Switching to another application left text cursor in line edits
with QtMfc framework.
[253367] Fixed a memory leak when loading system icons on Windows.
Qt for Mac OS X
---------------
[252795] Ensure that we send Apple Events in the Cocoa port even when Cocoa
isn't ready.
[252176] Fix regression in drawing parts of pixmaps on Panther.
[253402] Fix a crash when a Cocoa window that used to be a QWidget would get
events after the QWidget was destroyed.
[249178] Fixed an issue with drawing text to QImages on Mac/Cocoa.
[250066] Fixed an issue that caused reparenting of QGLWidgets to output
warnings on Mac/Cocoa.
Qt for Windows CE
-----------------
[248846] Handle the back soft key on Windows mobile.
[252319] Fix regression in native menu integration.
[242484] Fixed crash if Qt::WindowCancelButtonHint is used for a QDialog.
****************************************************************************
* Tools *
****************************************************************************
- Build System
* [253053] Linker in macx-g++42 spec is gcc instead of gcc-4.2.
- Designer
* [248769] Fixed a bug affecting the display of keyboard shortcuts in
the detailed view of the action editor.
* [251092] Fixed a bug preventing entering local file names for QUrl-type
properties on Windows.
* [251691] Fixed dynamic re-translation of table headers.
* [252251] Improved readability of the property editor when using the
KDE Obsidian Coast theme.
* [253236] Fixed a regression bug triggered by forms with a size policy
of 'Fixed' on the main cointainer.
* [253278] Made it possible to set QString-type properties using
QDesignerFormWindowCursor::setProperty().
* [253539] Prevent crash in Designer with the Cocoa port when when using
a scroll wheel to change a property.
* [252333] Fixed a regression crash in uic triggered when icon was set
with different modes than normal off.
* [252414, 252416, 252502] Fixed a crash in case of setting invalid point
size of font property in property editor.
- uic
* [252333] Fixed a regression crash triggered by using icons with
different pixmaps for QIcon states.
****************************************************************************
* Plugins *
****************************************************************************
- DirectFB
* Make sure we pick an appropriate format for pixmaps. E.g. use the same as
the primary surface for opaque pixmaps and pick an appropriate one for
transparent pixmaps if the primary surface format is not transparent.
* Properly fall back to the raster engine for pens that aren't solid color.
* Properly fall back to raster engine with "mirrored" scales.
* Make sure window surfaces are in the appropriate pixel format and created
in video memory if supported.
* Fix clipping bug that would cause painting errors.
* Fix various crash bugs.
* Fix bugs when transforming/copying pixmaps with alpha channel.
* Fix various bugs with regards to painting with alpha channel/porter
duff.
* Optimize a couple of internal functions to slightly speed up drawing.
* Optimize raster fall backs.
* Allow more customization for Flipping options.
* Fix drawing with opacity != 1.0.
* Support for better logging when trying to debug performance problems.
* Fix bug in keyboard handling that caused modifiers not to work.
* Get rid of some compiler warnings.
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