| Qt 4.5.1 is a bug-fix release. It maintains both forward and backward |
| compatibility (source and binary) with Qt 4.5.0. 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 printing feature for the Spreadsheet demo. |
| * [245675] Clarified the differences between QItemDelegate and |
| QStyledItemDelegate. |
| * [248752] Marked QPrintDialog::printer(), setPrinter() and addButton() |
| as Unix only functions, part of Qt3Support. |
| |
| - Embedded Dialogs demo |
| * [246517] Fixed warnings and bugs in hover handling on Mac OS X |
| |
| |
| Optimizations |
| ------------- |
| |
| - Graphics View Framework has been optimized in several areas |
| * Improved the performance of QGraphicsItem::clipPath(). |
| * Improved the performance of QGraphicsItem::setPos(). |
| * Improved the performance of QGraphicsItem::effectiveOpacity(). |
| * Improved the performance of QGrahicsScene::items(*). |
| * Improved handling of updates. |
| * Reduced the number of floating point operations. |
| * Reduced QVariant overhead. |
| |
| Third party components |
| ---------------------- |
| |
| |
| **************************************************************************** |
| * Library * |
| **************************************************************************** |
| |
| - QAbstractItemModel |
| * Clarified some warning messages printed if the model is invalid. |
| |
| - QAbstractEventDispatcher |
| * [248805] Duplicate timerids could occur if a timer is running while the |
| QObject is moved to another thread, stopping timers from working. |
| |
| - QAbstractSocket |
| * [192037] Emit the disconnected signal only if we were connected before. |
| |
| - QAccessible |
| * [221731] Fixed a bug where the accessibility plugin could crash if |
| there was an "&" at the end or spin forever if a label had a sequence of |
| "&&". |
| * [241161] Fixed a bug in browsing menus with the keyboard. |
| |
| - QAtomicInt |
| * [216492] Fixed compilation on 64-bit PowerPC machines with gcc 4.3. |
| |
| - QAuthenticator |
| * [237979] Fixed implementation of md5-sess. |
| |
| - QByteArray |
| * [246233] QByteArray::fromHex() fails with input of size 1. |
| |
| - QColorDialog |
| * [247349] Fixed a bug causing the wrong alpha value to be returned. |
| |
| - QCombobox |
| * [248094] Fixed scrollbar from appearing when not required. |
| |
| - QCompleter |
| * [246056] Fixed an assertion failure in setCompletionPrefix(). |
| * [250064] Fixed a regression in focus policy propagation. |
| |
| - QtConcurrent |
| * [244718] Reduced the number of calls to QThread::idealThreadCount(). |
| |
| - QDirIterator |
| * [247645] Fixed a bug that may loose all cached data inside QFileInfo. |
| |
| - QFile |
| * [244485] Renaming a file does not change QFile::fileName(). |
| * [244500] QFile::rename() does not always return false when the method |
| fails |
| |
| - QFileInfo |
| * [205244] Return valid file info also for relative UNC paths. |
| |
| - QFileDialog |
| * [221323] Fixed a bug in QFileDialog's programmatical file selection. |
| * [248332] QFileDialog is slow after visiting a large directory. |
| * [250194] Fixed an issue with QFileDialog and QSortFilterProxyModel |
| index mapping. |
| |
| - QGLFramebufferObject |
| * Framebuffer object extension resolution now works with OpenGL/ES 2.0. |
| |
| - QGraphicsItem |
| * Fixed a slow down regression in QGraphicsItem::ItemCoordinateCache. |
| * [247890] Cached QGraphicsItems are not updated if update() is called |
| when they are hidden. |
| * [250272] Fixed a crash that could occur when an item is deleted but |
| it does not get removed from the sceneeventfilters. |
| |
| - QGraphicsGridLayout |
| * [242472] Fixed a bug where the calculation of the maximum width of a |
| column was incorrect. |
| |
| - QGraphicsScene |
| * [243707] Fixed a crash when adding a child before a parent to the |
| scene. |
| |
| - QGraphicsView |
| * [245766] Rubber Band drag mode does not update correctly when |
| scrolling. |
| |
| - QGraphicsWidget |
| * [246215] Fixed a regression where we could cache the wrong size hint |
| because we called the virtual sizeHint() from the constructor. |
| |
| - QHttp |
| * Compile fixes for QT_BEGIN_NAMESPACE being in the wrong place in some |
| private headers. |
| * [208445] Cancel request upon receiving unknown authentication method. |
| |
| - QHostAddress |
| * [247330] Fixed compilation on MinGW by adding a missing QPair include. |
| |
| - QLocalSocket |
| * Fixed a bug that would cause QLocalSocket to disconnect 30 seconds |
| after a succesful delayed connection on UNIX. |
| |
| - QMacStyle |
| * Adjusted the opacity value for popups. |
| * [248769] Fixed a regression where QMacStyle would only draw tabs when |
| passed a QStyleOptionTabV3. |
| |
| - QMainWindow |
| * [248048] Fixed a regression that would cause tooltips to disappear when |
| using the unified toolbar. |
| |
| - QMetaType |
| * [248890] The detailed description of QMetaType no longer contradicts |
| the documentation of QMetaType::type() |
| |
| - QMutex |
| * Fixed a performance regression for contended mutexes as reported on the |
| qt4-preview-feedback list. |
| |
| - QPainter |
| * Compile fixes for OpenGL paint engine on OpenGL/ES 1.1 CommonLite and |
| OpenGL/ES 1.0. |
| * [246573] Fixed a very slow stroking of paths in the X11 paint engine. |
| * [247083] Fixed the scale applied to antialiased cosmetic pens in X11 |
| paint engine. |
| * [247492] Fixed a rendering bug in the raster paint engine causing |
| * [247505] Fixed missing fills of rectangles with negative width/height |
| in raster paint engine. |
| one-pixel offset when drawing premultiplied ARGB32 images on RGB16 |
| images. |
| * [249490] Fixed one-pixel offset between stroke and fills of ellipses in |
| the X11 paint engine. |
| * [249628] Fixed a crash in OpenGL paint engine when filling using |
| Qt::NoBrush. |
| |
| |
| - QPixmap |
| * [249175] Fixed QPixmap::fromImage() of monochrome images to result in |
| black/white pixels and not transparent/white pixels. |
| |
| - QProcess |
| * [247865] Fixed a crash when calling QProcess::start() and |
| startDetached() with an empty program string. |
| |
| - QScrollBar |
| * [247985] Stylesheet: added the feature to style scrollbar menus. |
| |
| - QSharedPointer |
| * [246843] Fixed a crash caused by using QSharedPointer in global statics. |
| |
| - QSortFilterProxyModel |
| * [247867] Properly sort when calling appendRows(). |
| * [248868] Re-sort when the model is reset if dynamicSort is enabled. |
| * [248868] Fixed QSortFilterProxyModel::sort() if dynamicSort was disabled. |
| |
| - QSSlSocket |
| * [245668] Set also protocol, verifyMode and verifyDepth in |
| setSslConfiguration(). |
| |
| - QString |
| * [249517] Fixed a regression in replace(int, int, QChar) when the string |
| is empty. |
| |
| - QStyleSheetStyle |
| * Improved support for setting background and foreground roles in styles |
| such as the text color in a combo box popup on Mac and Cleanlooks, or |
| the background of QScrollBar. |
| * Fixed a crash that occured while styling the title bar of a QMdiArea. |
| * [188195] Fixed the background of QAbstractScrollArea losing its color |
| if styled with pseudo-class. |
| * [246542] Fixed a bug in QToolButton::hover{ color:.... }. |
| |
| - QThread |
| * [249997] Added documentation indicating that the priority set by the |
| programmer may be ignored, for example on Linux. |
| |
| - QTreeView |
| * Fixed a crash that may occur when events are processed immediately |
| after a QSortFilterProxyModel is invalidated. |
| * [246025] Fixed auto-expand that occured when quickly collapsing an item |
| after clicking on a child. |
| * [248163] Fixed a possible crash in the paintEvent() when spans are used. |
| * [248805] Calling QTreeView::sortByColumn() programmatically was not |
| working if manual sorting was disabled. |
| |
| - QWidget |
| * [250388] Fixed a potential crash in QWidget::scroll() when using the |
| raster graphics system. |
| |
| - QWidget |
| * [246852] Improved handling of WindowMaximizeButtonHint for widgets with |
| layouts. |
| |
| -QLocale |
| * String-to-number conversion functions will now ignore trailing and |
| leading whitespaces in all locales as documented. |
| |
| - QWizard |
| * [248107] Fixed a bug on Windows Vista causing the Back button to |
| connect to the back() signal twice. |
| |
| - Q3ListView |
| * [248689] Fixed a bug in Q3ListView that would not update under certain |
| conditions. |
| |
| - QtWebKit |
| * Fixed a bug in cookie handling (WebKit Bugzilla 24062, Benjamin Meyer). |
| * Fixed a bug in calling from JavaScript into NPAPI plugins on Windows. |
| * Fixed the updating state of WebActions (Erik Bunce) |
| * Fixed a bug in HTML 5 Canvas clearRect() (Dirk Schulze) |
| * Fixed the theming of text fields with KDE 4 Oxygen style (Zack Rusin) |
| * Fixed path fill styles (Zack Rusin) |
| * Fixed pre-edit text handling with input methods. |
| * [248643] Fixed compiling with the "-pedantic" compile option. |
| |
| - QSqlTableModel |
| * Made setTable() try and use the database's letter case (uppercase/ |
| lowercase) of the given tablename. |
| * [189093] QSqlTableModel did not handle updates when one of the fields |
| had a NULL value. |
| |
| **************************************************************************** |
| * Database Drivers * |
| **************************************************************************** |
| |
| * Fixed the DB2 driver returning a double field as empty. |
| * Fixed a memory leak in the DB2 driver. |
| * Fixed the DB2 driver not quoting table/field names properly. |
| * Fixed an issue with ODBC & FreeTDS not accepting quotes in statements. |
| * Fixed a bug in the sqlite2 driver not returning false on failing to |
| execute a statement. |
| * PrecisionPolicy now works in the oracle driver. |
| * Fixed a bug in the ODBC driver returning a list of tables when |
| requested. |
| * Fixed Interbase retrieving scale/precision information on numeric/ |
| decimal fields. |
| * Stopped drivers from quoting again when escapeIdentifier is called |
| twice. |
| * Fixed a bug in the sqlite2 driver not quoting fields correctly. |
| * [232769] Fixed a memory overflow issue on bound out strings in ODBC |
| Driver |
| * [249059] Fixed a bug that handled QPSQL datetime/time fields with |
| negative timezone offsets incorrectly. |
| |
| **************************************************************************** |
| * Platform Specific Changes * |
| **************************************************************************** |
| |
| Qt for Linux/X11 |
| ---------------- |
| |
| * Ensured proper resetting for input contexts when switching between |
| multiple input context plugins. |
| * Input methods preedit strings are now reset properly when user switches |
| focus without commiting a string. |
| * Unicode conversion functions will handle Latin-1 character set only if |
| they are used before a QCoreApplication/QApplication is constructed. |
| * Improved handling of failed unicode conversion. |
| * Fixed clipboard handling when the user manually creates an instance of |
| the QDesktopWidget. |
| * [226048] Ensured that the QDesktopWidget::resized() signal is emitted |
| properly when a new screen appears or the screen geometry is changed |
| without affecting the whole desktop's geometry. |
| * [232632] Fixed a bug in reparenting widgets to a difference X11 screen. |
| * [241888] The background of the drag-n-drop cursor is now respected, |
| according to the stylesheet. |
| * [244337] Improved input method handling when a widget's native window |
| id is recreated. |
| * [244607] Current focus widget is properly set and input method is |
| properly initialized when showing a toplevel widget that accepts |
| keyboard input. |
| |
| - Phonon/GStreamer |
| * [233188] Fixed a problem where the seek slider reset to 0 while being |
| dragged. |
| * [244259] Fixed a problem where the backend failed to indicate an error |
| when the streaming failed. |
| * [246097] Added support for the MediaController interface to allow audio |
| CD playback. |
| * [246189] Fixed a problem where the backend failed to correctly escape |
| certain file names casuing playback to not start. |
| |
| |
| - QGtkStyle |
| * The system palette is no longer strictly forced. Also improved behavior |
| related to system theme changes. |
| * Fixed palette and styling issues with the background color of combo box |
| popups. |
| * [238196] Allowed middle click to set scrollbar position, following GTK+ |
| behavior. |
| * [239829] Disabled alt-key navigation for QGtkStyle following GTK+ |
| behavior. |
| * [247653] Fixed a compilation issue on Solaris. |
| * [249363] QFrame is now styled as a GtkScrolledWindow. |
| |
| - Font rendering |
| * Improved performance of subpixel antialiased text rendering by using a |
| mask in the calls to XRender's text compositing function. |
| * [248387] Properly respect the font config LCD filter settings for |
| subpixel antialiased text rendering when Freetype's native subpixel |
| rendering is disabled. |
| * [248498] Fix garbled rendering of subpixel antialiased text when using |
| Freetype's native subpixel rendering for vertical subpixel layouts. |
| * [248644] Fall back to Qt's subpixel rendering if Freetype's subpixel |
| rendering was available at compile-time but not at run-time. |
| |
| - QEventDispatcherGlib |
| * Event posted to a thread before it is started are not processed until |
| others events are posted. |
| |
| - QWidget |
| * [213512] Fixed a bug that caused wrong clipping when using the |
| Qt::WA_PaintOutsidePaintEvent attribute. |
| |
| |
| Qt for Windows |
| -------------- |
| |
| * [240891] Corrected the focus behavior of native file dialogs, when an |
| application has multiple toplevel widgets. |
| * [243583] Improved drag-and-drop handling when switching mouse buttons |
| quickly. |
| * [244875] The system menu will now be shown for a fullscreen window. |
| * [245330] Fixed a bug that caused mouse inputs to be ignored on modal |
| dialogs, when shown from an ActiveQt control. |
| * [249576] Fixed a crash when using a combobox with Qt::NoFocus. |
| |
| |
| - QCoreApplication |
| * [247401] Fixed a bug that caused a restarted timer to fire too early, |
| resulting in QtWebKit's Javascript consuming 100% CPU on Windows. |
| - QWindowsXPStyle |
| * [248036] Fixed an issue where tool buttons were hovering incorrectly |
| when disabled. |
| |
| - QWidget |
| * [248391] Fixed a bug that made it impossible to dynamically switch from |
| QPainter-based graphics to native graphics API and back. |
| |
| |
| Qt for Mac OS X |
| --------------- |
| |
| * Fixed a crash when showing a widget that is a modal window but has no |
| parent. |
| * Added QSysInfo::MV_10_6 as an enum to test against. |
| * Various compile fixes for the preliminary supported Snow Leopard. |
| * The uninstall-qt.py script included in the binary package no longer |
| complains about removing itself multiple times. |
| - * Improved the documentation for how qt_mac_set_dock_menu() works. |
| * Fixed an issue with the focus frame's transparency as it was difficult |
| to use the QWidget with stylesheets. |
| * [223525] Fixed a crash in the MacMainWindow Demo. |
| * [248803] Ensured that two dialogs shown at the same time will both not |
| have visible default buttons. |
| |
| - QDesktopWidget |
| * [244004] Properly support multiple screens with different sizes. |
| |
| - QDialog |
| * [195904] Parent dialog is displayed on top of its modal child. |
| * [218980] Modeless dialogs should be stacked above normal windows. |
| * [239155] QDialog(foo, Qt::Sheet) with QComboBox has non-native |
| behavior. |
| |
| - QFileDialog |
| * [219844] Fixed a crash caused by QFileDialog::getOpenFileName()'s |
| search buttons (native version). |
| * [225705] QFileDialog::getSaveFileName()'s filter does not display |
| correctly. |
| |
| - QMenu |
| * [228017] Ensured that QMenu closes when expanding a system menu. |
| |
| - QTestLib |
| * Activate the test application when launched from the command line. |
| |
| - Event system |
| * [210912] Fixed a bug where ShowEvent not sent when reshowing a window |
| after it was minimized. |
| |
| - macdeployqt |
| * The binary packages now include this tool. |
| * macdeployqt now runs 'strip' on the deployed binaries. |
| * Fixed an issue that prevented the QtSvg module from being deployed. |
| |
| - configure script |
| * Now supports "-arch i386" as an alias for "-arch x86". |
| * Detects invalid arch arguemnts and exits. |
| |
| - Cocoa port |
| * Fixed a bug where actions in the native menubar were not disabled |
| properly. |
| * Made shortcuts work properly when using the Dvorak-QWERTY+CMD keyboard |
| layout. |
| * Fixed a bug where dialogs were positioned in the wrong place on the |
| screen. |
| * The build-key for Cocoa was changed in the unlikely case that a plugin |
| may make assumptions on how Qt was built. All Cocoa plugins built |
| against Qt 4.5.0 will NOT work with Qt 4.5.1; we do not foresee |
| changing this again. |
| * Fixed a bug where some windows did not get activation when they |
| normally should. |
| * Fixed a bug where key events sent to popups were not propagated |
| onwards. |
| * QFileOpenEvents will no longer be sent for items passed via command |
| line. |
| * Various fixes for determining the metrics of text and the ability to |
| disable kerning. |
| * Modified the Colliding Mice Example to work better with coalesced |
| updates. |
| * Fixed a bug where the drag cursor was not updated when modifier keys |
| were used. |
| * [239043] Fixed a bug that caused QGraphicsProxyWidget to shrink when |
| moved. |
| * [244369] Window flags on Cocoa windows should look similar to the |
| Carbon ones. |
| * [247947] Fixed a crash in drag and drop. |
| * [248918] Fixed color matching for themed text items. |
| * The command + h shortcut is now enabled. (Hides the current window.) |
| * [249296] Fixed a bug where line edits on a second page of a stack |
| widget were not getting key events. |
| |
| Qt for Embedded Linux |
| --------------------- |
| |
| - * Various improvements to the Qt DirectFB plugin. |
| * Fixed recreation of temporary EGL surfaces in the PowerVR QScreen |
| driver. |
| - * Document some necessary #define's for building the PowerVR QScreen |
| driver. |
| |
| Qt for Windows CE |
| ----------------- |
| |
| * [246619] Fixed a tap and hold bug for QCheckbox. |
| |
| **************************************************************************** |
| * Compiler Specific Changes * |
| **************************************************************************** |
| |
| |
| **************************************************************************** |
| * Tools * |
| **************************************************************************** |
| |
| - Build System |
| |
| - Assistant |
| |
| |
| - Designer |
| * [245503] Fixed redundant backslashes in string property in the property |
| browser. |
| * [245961] Restricted objectname-validation to known object name |
| properties only. |
| * [247995] Fixed a crash occurring after layout operations that caused |
| an instance of QGridLayout or QFormLayout to shrink. |
| * [248000] Fixed a crash ocurring when re-layouting empty grid layouts. |
| * [249097] Fixed a crash related to undoing a QGridLayout re-layout |
| operation. |
| |
| - Linguist |
| |
| - Linguist GUI |
| |
| * [248076] Fixed a crash caused by opening files for which we have no |
| plural rules. |
| * [249519] Fixed a crash upon dropping text into a non-focused line |
| edit. |
| |
| - Entire Linguist toolchain |
| |
| * [244035] Fixed an infinite loop in PO writer. |
| * [247738] Improved handling of duplicated messages. |
| * [248849] Fixed the encoding in XLIFF writer. |
| * [249022] Fixed TS' and QM's handling of messages which appear in |
| multiple encodings. |
| |
| - lupdate |
| |
| * [248724] Fixed the encoding of messages from .ui files if CODECFORTR |
| is not utf8. |
| * [249633] Fixed the processing of C++ backslash line continuations. |
| |
| - rcc |
| |
| |
| - moc |
| * [240368] moc parsing issue with "unsigned" subphrase |
| |
| - uic |
| * [244998] Fixed include file generation for phonon widgets. |
| * [248070] Fixed code generation for QStringList-type properties to use |
| encoding properly. |
| * [242447] Made uic generate class-specific code correctly in the case of |
| multiple levels of inheritance. |
| |
| - uic3 |
| |
| |
| - qmake |
| * On Mac OS, properly escape file names in QMAKE_BUNDLE_DATA. |
| * Fixed moc and uic features to make shadow builds work even if a |
| non-shadow build is present |
| * [201495] Comment processing in qmake prevented file from being moc'ed |
| * [248806] Ensured that the Xcode generator includes the right path to |
| frameworks. |
| |
| - configure |
| |
| |
| - qtconfig |
| |
| |
| - qt3to4 |
| |
| |
| **************************************************************************** |
| * Plugins * |
| **************************************************************************** |
| |
| |
| **************************************************************************** |
| * Important Behavior Changes * |
| **************************************************************************** |
| |
