1Qt 4.7.1 is a bug-fix release. It maintains both forward and backward 2compatibility (source and binary) with Qt 4.7.0. For more details, 3refer to the online documentation included in this distribution. The 4documentation is also available online: 5 6 http://qt.nokia.com/doc/4.7 7 8The Qt version 4.7 series is binary compatible with the 4.6.x series. 9Applications compiled for 4.6 will continue to run with 4.7. 10 11Some of the changes listed in this file include issue tracking numbers 12corresponding to tasks in the Qt Bug Tracker, the (now obsolete) Task 13Tracker, or the Merge Request queue of the public source repository. 14 15Qt Bug Tracker: http://bugreports.qt.nokia.com 16Merge Request: http://qt.gitorious.org 17 18**************************************************************************** 19* General * 20**************************************************************************** 21 22Optimizations 23------------- 24 25 - Improved the benchmarking library's timing code 26 * Uses a faster access to the system clock 27 28 - Introduction of SSSE3 for alpha blending of images. 29 30 - On x86 and 86_64, the memory access has been improved for alpha blending 31 and for some composition functions. 32 33 34**************************************************************************** 35* Library * 36**************************************************************************** 37 38QtCore 39------ 40 41 - Containers 42 * [QTBUG-13079] Fix assignment of a container included in the container 43 itself. 44 45 - QEventDispatcherUnix 46 * [QTBUG-13633] Do not process too many timer events if other events need 47 to be processed first. 48 49 - QLibrary 50 * [QT-3825] System libraries are only loaded from the system directories. 51 52 - QUuid 53 * [QTBUG-11213] QUuid::createUuid() should not generate identical sequences 54 on UNIX. 55 56 57QtGui 58----- 59 60 - QGraphicsEffect 61 * [QT-3633] Wrong bounding rect. 62 63 - QGraphicsItem 64 * [QTBUG-3633, QT-3828] Wrong children bounding rect when applying effects. 65 66 - QGraphicsScene 67 * [QT-3674] Spurious assert triggered from render(). 68 69 - QGraphicsWidget 70 * [QTBUG-13188] Make sure a font that has propagated from a parent can 71 be set on a QPainter. 72 * [QT-3808] Issues when applying effects in combination with 73 ItemHasNoContents flag. 74 75 - QGtkStyle 76 * [QTBUG-13125] Fixed a regression with custom itemview background color. 77 78 - QLineEdit 79 * [QTBUG-13520] Fixed the scrolling of text with right alignment. 80 81 - QPainter 82 * [QTBUG-13429] Fixed scale point drawing with square cap in the raster 83 engine, plus some potential floating point overflows in the rasterizer. 84 * Optimized pixmap drawing with SmoothPixmapTransform. 85 86 - QPinchGesture 87 * The scaleFactor and totalScaleFactor now represent a value that allows 88 an object to track a touchpoint during a Pinch Gesture even when using 89 sequences for zooming. 90 Therefore the scale factors are initialized to 1.0 and for every new 91 sequence the totalScaleFactor is multiplied with the scaleFactor of the 92 new sequence. 93 94 - QPixmap 95 * [QTBUG-12560] Fixed a regression preventing loading images without 96 extensions. 97 98 - QStaticText 99 * [QTBUG-12614] Fix crash with zero-width string. 100 * [QTBUG-12540] Fix rendering of large glyphs with OpenGL2 paint engine. 101 102 - QTreeView 103 * [QTBUG-13567] Do not scroll to top if last item is removed. 104 105 106QtMultimedia 107------------ 108 - QAudioOutput 109 * [QTBUG-11586] Support audio with more than two channels. 110 * [QTBUG-11755] Fixed outputing audio in push mode with ALSA. 111 * [QTBUG-11883] Fixed segmentation fault when closing a QAudioInput or 112 QAudioOutput. 113 114 115QtNetwork 116--------- 117 - Bearer Management 118 * Improved reliability on Symbian and Maemo. 119 * Added connman/meego backend. 120 - IPv6 121 * Disable on Symbian until OpenC properly supports it. 122 - QSslConfiguration 123 * [QTBUG-13265] Fixed crash with empty configuration. 124 - QSslCertificate 125 * [QTBUG-12489] Support dates > 2049. 126 - QNetworkAccessManager 127 * [QTBUG-12285] Crash fix related to aborted uploads. 128 129 130QtOpenGL 131-------- 132 - QGL2PaintEngineEx 133 * Fixed drawing a large number of glyphs with the same font on systems 134 with small texture size limits. 135 136 137QtXml 138----- 139 * Fixed a crash when parsing invalid tag names. 140 141 142QtXmlPatterns 143------------- 144 - XML Schema internals: 145 * [QTBUG-11559] Only parse 3 digits of time fraction. 146 147 148QtDeclarative 149------------- 150 - QML language 151 * [QTBUG-13799] QML core module renamed to QtQuick to decouple it from Qt 152 releases. Old "import Qt 4.7" will co-exist with "import QtQuick 1.0' at 153 least during Qt 4.7 releases. 154 * [QTBUG-13047] Support passing QObject derived types to QML methods. 155 * [QTBUG-12837] Support JS "in" operator on QML objects. 156 * [QTBUG-13045] Prevent calling deleteLater() from QML. 157 * [QTBUG-13043] Ignore non-scriptable properties in QML. 158 * [QTBUG-13114] Don't double call classBegin(). 159 * [QTBUG-12946] Ensure the onDestruction handlers are called before the 160 expressions are cleared. 161 * [QTBUG-12599] Re-enabled script program caching on Symbian. 162 * [QTBUG-13374] Don't modify the signal order on the second dynamic meta 163 object pass. 164 * Support for qsTrId and meta-data in comments for QML. 165 - QML debugging 166 * [QTBUG-5162] The debugger is now activated with -qmljsdebugger command 167 line arg to enable support for platforms without environment variables. 168 * Various improvements to ease debugging in creator. 169 - AnchorAnimation 170 * [QTBUG-13398] Fix AnchorAnimation for multiple AnchorChanges with 171 dependancies. 172 - AnchorChanges 173 * [QTBUG-11834] Restore any absolute geometry changed by AnchorChanges when 174 returning to the base state. 175 - Component 176 * [QTBUG-13170] Complete Component::createObject() creation after setting 177 the parent. 178 - GridView 179 * [QTBUG-13166] GridView.view property should not be writable. 180 - Flickable 181 * [QTBUG-13095] Ensure Flickable visibleArea is updated when view height 182 changes. 183 * [QTBUG-13176] Avoid Flickable view jumping when drag threashold is 184 exceeded. 185 * [QTBUG-13078] Fix poor flicking behavior with slower flicks. 186 * Handle QGraphicsWidgets in Flickable. 187 - FocusScope 188 * [QTBUG-12649] Make sure onFocusChanged is correctly emitted for items 189 in a FocusScope. 190 - FontLoader 191 * [QTBUG-13419] Don't add the same font to the font database multiple 192 times. 193 - Image 194 * [QTBUG-13454] Changing the Image 'source' no longer goes through the 195 'Loading' state if the image is cached. 196 * [QTBUG-13383] Do not reset sourceSize when changing image source url. 197 * [QTBUG-13002] Setting one dimension of the sourceSize should set the other 198 dimension. 199 * [QTBUG-12302] Fix remote image url redirects are done in the right thread. 200 * Ensure all image states are updated before emitting statusChanged signals. 201 - ListModel 202 * [QTBUG-12363] Modifying an object returned by ListModel.get(0) didn't 203 update the view. 204 * [QTBUG-13666] Calling set() and setProperty() on ListModel from a 205 WorkerScript didn't update the view. 206 * Fix Worker ListModel to emit the right signal when items change. 207 * Fix crash with invalid role indexes. 208 * improved ListModel error messages. 209 - ListView 210 * [QTBUG-13664] Models with a single role didn't always update correctly. 211 * [QTBUG-13543] Ensure flickable velocity is updated when view is moved by 212 setCurrentIndex. 213 * [QTBUG-12664] Ensure highlight is positioned correctly in 214 positionViewAtIndex(). 215 * [QTBUG-13166] Fix ListView.view attached property with VisualItemModel. 216 * [QTBUG-13039] Fix crash in synchronization of ListModel in WorkerThread. 217 * [QTBUG-11341] Flicking a ListView sometimes made it lose focus. 218 * [QTBUG-13166] ListView.view property should not be writable. 219 - MouseArea 220 * [QTBUG-12250] When onDoubleClicked: is handled don't emit a second 221 onPressed/onClicked. 222 - NumberAnimation 223 * [QTBUG-12805] Clear previous animation data for non-triggering animations. 224 - ParentChange 225 * [QTBUG-13554] ParentChange fails to apply rotation changes of exactly 180 226 degrees. 227 - PathView 228 * [QTBUG-13689] Moving items in a PathView caused PathView.onPath to be set 229 to false. 230 * [QTBUG-13687] PathView didn't accept mouse events, preventing it from 231 working in a Flickable. 232 * [QTBUG-13416] Fix PathView item position on insertion and removal. 233 * [QTBUG-13017] Fix PathView when setting an empty model that is later 234 filled. 235 * [QTBUG-12747] PathView required some diagonal movement before a drag was 236 initiated. 237 - Positioners 238 * made positioners work with QGraphicsWidgets. 239 - PropertyChanges 240 * [QTBUG-12559] Correctly apply PropertyChanges when entering an extended 241 state directly from the base state. 242 - QDeclarativeImageProvider: 243 * Fixed memory leak. 244 * Improved concurrency when using in asynchronus mode. 245 - Repeater 246 * [QTBUG-12905] Emit countChanged where appropriate in Repeater. 247 - SmoothedAnimation 248 * [QTBUG-12336] Update running animations if a SmoothedAnimation is changed. 249 - SpringAnimation 250 * [QTBUG-13044] SpringAnimation velocity animation stop logic was fragile. 251 - Text 252 * [QTBUG-13453] Fix jerky scrolling caused by unnecessary repaints of Text 253 element. 254 * [QTBUG-13142] Fix alignment of shadow for rich text when using text 255 styles. 256 * [QTBUG-11002] Improve QML text rendering when LCD smoothing is enabled 257 for OS X. 258 - TextInput 259 * [QTBUG-11127] Fix autoScroll implementation. 260 - VisualDataModel 261 * [QTBUG-13754] Fixed a crash when updating a property in ListModel with 262 multiple roles. 263 * [QTBUG-13038] Fix VisualDataModel model update handling when rootIndex is 264 specified. 265 * [QTBUG-13146] Handle layoutChanged() properly in QML views. 266 - WebView 267 * [QTBUG-13342] Ensure WebView gets focus when an editable node is clicked. 268 - XmlHttpRequest 269 * [QTBUG-13117] Fix responseText to check the charset encoding field and 270 also to not assume that the data is xml. 271 - XmlListModel 272 * [QTBUG-13041] XmlListModel thread was left hanging on Symbian application 273 exit. 274 275 276Qt Plugins 277---------- 278 - Jpeg image IO plugin 279 * [QTBUG-13653] Fixed infinite loop when loading jpeg without EOI marker 280 from memory. 281 282**************************************************************************** 283* Platform Specific Changes * 284**************************************************************************** 285 286Qt for Unix (X11 and Mac OS X) 287------------------------------ 288 - Event System: 289 * [QT_3553] Fix invalid memory write during recursive timer activation. 290 291Qt for Linux/X11 292---------------- 293 - The configure script now detects all vector extensions of x86 and x86_64. 294 295Qt for Windows 296-------------- 297 - Event System: 298 * [QTBUG-12721] Fix Qt applications freezing until mouse/keyboard events 299 occur. 300 301 - Drag & Drop: 302 * [QTBUG-13787] Fixed a possible crash with mingw. 303 304 - QPrinter 305 * [QTBUG-12263] Strokes were in some cases not printed with the correct 306 color under Windows. 307 308 - QGLWidget 309 * [QTBUG-13141] Fixed multi-sampling support for ATI based cards under 310 Windows. 311 312Qt for Mac OS X 313--------------- 314 - The configure script now detects all vector extensions of x86 and x86_64 315 * [QTBUG-10500] Fixed a bug which causes the QMainWindow geometry 316 to be calculated wrongly, when used with native toolbars. 317 * [QTBUG-13878] Application menu entries can now also be translated 318 using the QMenuBar context. 319 320Qt for Symbian 321-------------- 322 - configure 323 * [QTBUG-4586] Fixed wrong paths in include/ActiveQt/headers.pri. 324 * [QTBUG-11671] Fixed audio-backend detection in configure tests. 325 326 - qmake & mkspecs 327 * [QTBUG-13523] Added support for using -L notation in the LIBS variable 328 when building with the symbian/linux-armcc or gcce mkspec. 329 * [QTBUG-12851] Fix assertion on Windows when DESTDIR is empty in static 330 libs. 331 * [QTBUG-12802] Fix vcxproj generator when using /Fd in QMAKE_CXXFLAGS. 332 * [QTBUG-13080] vcxproj generator: fix bug when using CharacterSet=1 in 333 .pro file. 334 * [QTBUG-13081] vc[x]proj generators: support /MAP option without file 335 name. 336 * [QTBUG-13902] Added support for unsigned smart installer package creation. 337 * [QTBUG-13991] No longer need to manually edit smart installer pkg file for 338 publishing. 339 * [QT-3949] Load environment.prf from Symbian SDK if it exists there. 340 * [QTBUG-13499] Provide a way to compile with RVCT 4.0 using generated 341 Makefile. 342 * [QTBUG-13336] Ignore MAKEFILE variable for Symbian abld and sbsv2 builds. 343 * [QTBUG-13363] Fix Symbian handling of projects with special characters in 344 TARGET. 345 * [QTBUG-12762 & QTBUG-13307] Gcce building support for symbian-sbsv2 346 * [QTBUG-13147] Added support for DEPLOYMENT.pkg_build_version 347 * [QTBUG-12884] Fix "installer_sis" and "deploy" targets when TARGET has path. 348 * [QTBUG-12879] Fix check to remove unnecessary deployments in Symbian. 349 * [QTBUG-12716] Make bld.inf target in Symbian mkspecs to depend on .pro file. 350 * [QTBUG-12715] Rename Symbian generated mmp/mk files to include target in 351 filename. 352 * [QTBUG-12617] Fix package header in cases where VERSION doesn't contain all 353 values. 354 * Fix run and runonphone targets for projects that have TARGET with path. 355 * Fix QT_LIBINFIX for QT_PLUGINS_BASE_DIR. 356 * No longer require PRE_TARGETDEPS items to be absolute for symbian-sbsv2 357 mkspec. 358 * Do smart command replacement for commands containing $$QMAKE_* 359 command variables, such as $$QMAKE_COPY, when generating bld.inf 360 extensions for QMAKE_EXTRA_* variables for symbian-sbsv2 mkspec. 361 362 - s60installs 363 * Fixed qsymbianbearer.qtplugin exports in s60installs.pro. 364 365 - patch_capabilities.pl 366 * [QTBUG-13760] Improved output of patch_capabilities.pl script. 367 368 - QInputContext 369 * [QTBUG-12949] Fixed a bug where passwords would not be committed when 370 confirming. 371 * [QTBUG-13472] Fixed crash in input methods when using symbols menu and 372 numbers only. 373 374 - QDesktopWidget 375 * [QTBUG-14058] Fix QApplication::desktop()->availableGeometry(). 376 377 - QtCore 378 * [QTBUG-13802] Symbian^4 platform detection for QSysInfo::symbianVersion(). 379 * [QTBUG-13612] Do not wait for QThread exit when destroying global statics. 380 * [QT-3895] Change RLibrary handle in QS60PluginResolver to be process wide. 381 * [QTBUG-11218] Fix QProcessManager destruction. 382 383 - Qt Plugins 384 * [QT-3949] Remove pre-Symbian3 plugins from Symbian3 and later builds and 385 Check S60_VERSION instead of existence of certain files in bearer plugin. 386 387 - Demos & Examples 388 * [QTBUG-13461] Remove some .pro statements left behind after IAP usage 389 cleanup. 390 * [QTBUG-12276] Assigned valid UID3 for fortuneserver example. 391 392Qt for Windows CE 393----------------- 394 - Gui 395 * [QTBUG-8408] Show the [X] button on Windows mobile when maximizing. 396 397 398**************************************************************************** 399* Tools * 400**************************************************************************** 401 402 - uic 403 * Improve warnings and error reports. 404 405 - moc 406 * Show an error if NOTIFY refer to a wrong signal in Q_PROPERTY. 407 408 - QML Viewer 409 * [QTBUG-13347] Paused orientation sensors in Qml Viewer when the 410 application window is not active to save device battery. 411 * [QTBUG-11019] Add a menu option to open remote files in the QML viewer. 412 * QML Viewer is deployed under QtDemos folder instead of QtExamples 413 folder in Symbian application menu. 414 415