1Qt 4.6.3 is a bug-fix release. It maintains both forward and backward 2compatibility (source and binary) with Qt 4.6.0. 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/4.6 7 8The Qt version 4.6 series is binary compatible with the 4.5.x series. 9Applications compiled for 4.5 will continue to run with 4.6. 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 16Task Tracker: http://qt.nokia.com/developer/task-tracker 17Merge Request: http://qt.gitorious.org 18 19**************************************************************************** 20* General * 21**************************************************************************** 22 23Examples and Demos 24------------------ 25 26 - Added Spectrum analyzer demo application. 27 - Added exit softkey to Wiggly example. 28 - Added close button to Anomaly demo. 29 - [QTBUG-10635]: Fixed Anomaly demo controlstrip icon placement for very 30 small screens. 31 32 33**************************************************************************** 34* Library * 35**************************************************************************** 36 37QtCore 38------ 39 40 - QStateMachine 41 * [QTBUG-8842] Ensure history configuration is cleared when a state 42 machine is restarted. 43 44 - QXmlStreamReader 45 * [QTBUG-9196] Fixed crash when parsing. 46 47QtGui 48----- 49 50 - QComboBox 51 * [QTBUG-10403] Fixed QComboBox ignoring the item data background role 52 for some styles. 53 54 - QCommonStyle 55 * [QTBUG-7137] Fixed a bug that led to missing text pixels in QTabBar when 56 using small font sizes. 57 58 - QCUPSSupport 59 * [QTBUG-10512] Fixed a potential crash with misconfigured CUPS printers. 60 * [QTBUG-6419] Make QCUPSSupport::printerHasPPD() release temporary file 61 handles. 62 63 - qDrawPixmaps() 64 * [QTBUG-8455] Fixed qDrawPixmaps() to draw on integer coordinates under 65 Mac OS X. 66 67 - QFontEngine 68 * [QTBUG-3976] Fixed a leak for QFont objects used in threads. 69 70 - QGifHandler 71 * [QTBUG-7037] Fixed QGifHandler::loopCount(). 72 * [QTBUG-6696] Cache the sizes of images in an animated GIF. 73 74 - QGraphicsEffect 75 * [QTBUG-5358] Fixed warnings and crash when painting graphics effects 76 outside scene. 77 78 - QGraphicsItem 79 * [QTBUG-9391] Avoid a useless repaint when setting the cache mode to 80 DeviceCoordinateMode while already using that mode. 81 * [QTBUG-8475] Fixed crash and loss of focus when deleting a child of a 82 focus scope. 83 84 - QGraphicsProxyWidget 85 * [QTBUG-5349] Fixed tooltips not being shown for QGraphicsProxyWidget. 86 * [QTBUG-2883] Fixed tooltips appearing at wrong location. 87 * [QTBUG-7296] Fixed painting artifacts on a scaled proxy when the view 88 is scrolled. 89 90 - QGraphicsScene 91 * [QTBUG-7863] Fixed incorrect blending when using 92 QGraphicsItem::DeviceCoordinateCache and when the item is semi- 93 transparent. If the item is transformed, the cache is now always fully 94 repainted to avoid artifacts. 95 96 - QGraphicsView 97 * Item tooltips are not clipped by the view anymore. 98 99 - QImageReader 100 * [QTBUG-7980] Fixed QImageReader::setAutoDetectImageFormat() to work with 101 plugins. 102 103 - QPainter 104 * [QTBUG-8140] Speed up custom bitmap brushes under X11 without Xrender 105 support. 106 * [QTBUG-8032] Fixed drawing pixmaps onto bitmaps on X11 without Xrender 107 support. 108 * [QTBUG-10421] Fixed WebKit-specific justification bug for text containing 109 more than one script. 110 111 - QPDFBaseEngine 112 * [QTBUG-8451] Fixed line and point drawing in the PS and PDF generators. 113 114 - QPixmap 115 * [QTBUG-8606] Fixed QPixmap::load() to not modify referenced copies. 116 117 - QPSPrintEngine 118 * [QTBUG-10121] Fixed incorrect version setting for EPS files. 119 * [QTBUG-10140] Fixed generation of the %%BoundingBox operator to output 120 integer values instead of floating point values. 121 122 - QRasterPaintEngine 123 * [QTBUG-9036] Fixed ClearType text rendering on translucent surfaces under 124 Windows. 125 126 - QRegion 127 * [QTBUG-7699] Prevented crash on large x-coordinates. 128 129 - QTextDocument 130 * [QTBUG-10301] Fixed a leak in QTextDocument::print(). 131 132 - QTextEdit 133 * [QTBUG-9599] Fixed crash when copying the current text cursor as a result 134 of deleting a character. 135 136 - QTextEngine 137 * [QTBUG-9374] Fixed possible crash in QTextEngine::boundingBox() when using 138 multiscripted text. 139 140 - QTextLayout 141 * [QTBUG-9074] Fixed performance regression that was introduced in Qt 4.6.0. 142 143 - QTransform 144 * [QTBUG-8557] Fixed bug in QTransform::type() potentially occuring 145 after using operator/ or operator* or their overloads. 146 147 - QTriangulatingStroker 148 * [QTBUG-9548] Fixed possible data corruption when certain paths were 149 triangulated. 150 151 - QWin32PrintEngine 152 * [QTBUG-9938] Fixed a crash on Windows 7 systems with invalid PrinterPorts 153 registry entries. 154 155 - Improved scrolling horizontally with a mouse wheel over sliders. 156 - [QTBUG-7451] Gestures respect panels on QGraphicsView. 157 158QtOpenGL 159-------- 160 161 - QOpenGLPaintEngine 162 * [QTBUG-10529] Fixed an issue where bound pixmaps were not released 163 correctly in the GL 1 engine. 164 165 - QGL2PaintEngineEx 166 * [QTBUG-8681] Fixed an application exit crash that could occur in the GL2 167 engine under X11. 168 169 - QGLContext 170 * [QTBUG-5732] Fixed a GLX warning that occured with some Intel chipsets 171 under X11. 172 173 - QGLPixelBuffer 174 * [QTBUG-8047] Fixed usage of QGLPixelBuffer with share widgets on other 175 X11 screens. 176 177 - QGLWidget 178 * [QTBUG-7545] Fixed QGLWidget::grabFrameBuffer() to honor the 'withAlpha' flag. 179 * [QTBUG-8054] Fixed drawing QPixmaps onto QGLWidgets on different X11 screens. 180 * [QTBUG-7865] Fixed bug where GL widgets were not fully updated on 181 Windows Vista/7 with Aero disabled. 182 * [QTBUG-8753] Worked around driver bug causing clipping errors on the N900. 183 * [QTBUG-10510] Workaround ATI driver bug when using QGraphicsEffect with GL. 184 185QtScript 186-------- 187 188 - [QTBUG-7066] Fixed regression introduced in 4.6.0 that made it impossible to 189 change the prototype of the global object. 190 - [QTBUG-8366] Fixed regression introduced in 4.6.0 that caused the instanceof 191 operator to throw an error when the right-hand-side is generated by 192 QScriptEngine::newQMetaObject(). 193 - [QTBUG-8400] Fixed memory leak when lazily binding QScriptValue to an engine. 194 - [QTBUG-9775] Fixed regression introduced in 4.6.0 that caused the qsTr() 195 function not to resolve the translation context correctly when invoked in 196 the global scope. 197 - [QTBUG-8364] Fixed regression introduced in QScriptclass in 4.6.0 that could 198 cause the Callable extension to crash. 199 - [QTBUG-6437] Fixed regression introduced in QScriptEngine in 4.6.0 that made 200 installTranslatorFunctions() not work with custom global object. 201 202QtXml 203----- 204 205 - [QTBUG-8398] QDom: prevent infinite loop when cloning a DTD. 206 207QtXmlPatterns 208------------- 209 - [QTBUG-8920] fixed crash with anonymous types in XsdSchemaChecker. 210 - [QTBUG-8394] include/import/redefine schemas only once. 211 - QXmlSchema: fix crash with referencing elements. 212 213**************************************************************************** 214* Platform Specific Changes * 215**************************************************************************** 216 217Qt for Linux/X11 218---------------- 219 220 - [MR 458] Improved handling of Shift-Tab with VNC on X11. 221 - [QTBUG-7063] Changed key bindings (XF86XK_MyComputer, Qt::Key_Launch0, 222 Key_Calculator) on X11 back to how it was in Qt 4.5 before MR 1742 223 accidentally changed it. 224 - [QTBUG-8666] Fixed a crash when using QIcon::fromTheme with icons declared 225 static. 226 - QGtkStyle 227 * [QTBUG-9240] Fixed a potensial crash in QGtkStyle when the gtk 228 theme engine is not unavaliable. 229 * [QTBUG-8537] Fixed a Glib-GObject-WARNING on application startup with 230 certain versions of GTK+. 231 * [QTBUG-8226] Fixed an atk_object_set_name assertion warning with certain 232 versions of GTK+. 233 234Qt for Windows 235-------------- 236 237 - [QTBUG-6007] On Windows we query if there is a touch screen and do not try 238 to enable gestures otherwise. 239 - QLocalSocket 240 * [QTBUG-7815] Pipe handle leak fixed, when closing a QLocalSocket that 241 still has unwritten data. 242 * [QTBUG-9681] Fixed closing state for local sockets with unwritten data. 243 * [QTBUG-8418] Detection of Windows Mobile 6.5 fixed. 244 245 - [QTBUG-7662] Fixed an issue with clipped icon text. 246 - [QTBUG-7663] QFileIconProvider now show overlays when fetching native 247 filesystem icons. 248 - [QTBUG-8324] Fixed a potential crash when fetching native icons. 249 250Qt for Windows CE 251----------------- 252 253- Core changes 254 * [QTBUG-8754] Fixed menu handling on Windows mobile. 255 * [QTBUG-7943] Fixed a crash when receiving a certain type of 256 WM_SETTINGSCHANGE message. 257 258- QWindowsMobileStyle 259 * [QTBUG-8419] Huge performance penalty for QTabWidget fixed for 260 Windows Mobile 6.5. 261 * [QTBUG-8757] QTabBar scroll button size has been fixed. 262 263Qt for Mac 264----------------- 265 266 - [QTBUG-8461] Fixed incorrect text rendering with document mode tabs. 267 268 269Qt for Symbian 270-------------- 271 272 - Multimedia 273 * [QT-567] Implementation of QtMultimedia QAudio* APIs. 274 * [QTBUG-8919] Modified Phonon MMF backend to support video playback on 275 platforms which use graphics surfaces (i.e. platforms using the 276 New Graphics Architecture a.k.a. ScreenPlay). 277 278 - mkspecs 279 * Changed pkg_prerules to not use default_deployment for vendor ID. 280 * Added forwarding headers for qplatformdefs.h in Symbian mkspecs. 281 * Added some missing IBY export paths to platform_path.prf. 282 * Fixed libstdcpp.dll version autodetection for Symbian. 283 * [QTBUG-7836]: Removed unnecessary dependency to moc.exe from Symbian 284 builds. 285 * [QT-1171]: Fixed libstdcpp.dll version autodetection. 286 * [QTBUG-8513]: Fixed misc FLM issues. 287 * [QT-2909]: Support for adding conditional MMP_RULES. 288 * [QT-3253]: Export .flm files always if they are different. 289 * [QTBUG-9279]: Made it possible to define more than one language using 290 pkg_prerules. 291 * [QTBUG-6795]: Made sure target path exists in qmake_extra_pre_targetdep.flm. 292 * [QTBUG-7883]: Only use unix-like tools when not building for Symbian 293 in Windows. 294 295 - configure 296 * [QTBUG-7942]: Fix QT_BUILD_KEY for Symbian in Windows builds. 297 298 IMPORTANT NOTE: The build key change causes all Qt for Symbian plugins 299 made with Qt 4.6.2 or earlier version incompatible with 300 Qt 4.6.3 and later. 301 302 * [QTBUG-9065]: Support for -qtlibinfix parameter in Symbian. 303 304 - qmake 305 * Changed canonical paths to absolute paths in symmake. 306 * Basic deployment support for ROM in Symbian. 307 * Add '.' dir as the first include directory in Symbian. 308 * [QT-3017]: Support for conditional subdirs. 309 * [QT-3083]: Expanded support for RSS_RULES. 310 * [QTBUG-8685]: RVCT 4 support to Symbian builds. 311 * [QT-3147]: Changed Symbian pkg files to deploy from under epoc32. 312 * [QT-2985]: Fix extensions section in bld.inf when CONFIG contains 313 symbian_test. 314 315 - S60installs 316 * Export qtdemoapps.iby to proper location. 317 * [QT-3163]: Removed QtDeclarative.dll deployment from qt.iby. 318 319 - QProcess 320 * [QTBUG-7735]: Fixed crash at application exit when QProcess was used in 321 Symbian. 322 * [QTBUG-8906]: Removed extra space from the command line passed to 323 QProcess in Symbian. 324 325 - QtGui 326 * QUnixPrintWidget is no longer declared in Symbian. 327 * [QTBUG-10207]: Fixed long menu item texts causing crash. 328 * [QTBUG-9910] Fixed incorrect dialog position when native AVKON combined 329 status-and-control pane is in use. 330 * [QTBUG-4875] Made QMessageBox match size with native Symbian messageBox. 331 * [QTBUG-5539] Fixed QMessageBox to stretch to screen width with very small 332 content. 333 * [QTBUG-7828] Fixed Virtual keyboard closing issue with Sym^3. 334 * [QTBUG-9480] Use focus widget palette colors to show T9 suggested or 335 autocompletion words in QCoeFepInputContext. 336 * [QTBUG-10006] Changed default supported text modes to all, instead of just 337 lower and upper cases in QCoeFepInputContext. 338 * [QT-3277] Support text selection in QCoeFepInputContext for Sym^3. 339 * [QT-3008] Fixed crash in QGraphicsScenePrivate::setFocusItemHelper. 340 341 - QS60Style 342 * [QTBUG-10697] Support native-like selection in item views. 343 * [QTBUG-10454] Made styled sliders match in size to native sliders. 344 * [QTBUG-10073] Fixed QMenu with a lot of menu items. 345 * [QTBUG-3102] Fixed QTabWidget icon size issue. 346 * [QTBUG-5001] Show combobox list as a popup instead of dropdown list. 347 * [QTBUG-7258] Fixed calculations of PM_FocusFrameVMargin and 348 PM_FocusFrameHMargin pixel metrics. 349 * [QTBUG-7996] Fixed squeezed scrollbar handle and groove ends. 350 * [QTBUG-8193] Fixed drag-n-drop drop area drawing issue. 351 * [QTBUG-8194] Removed scrollbar context menu support. 352 * [QTBUG-8704] Fixed palette issues when drawing highlighted text. 353 * [QTBUG-9212] Fixed itemview multiselection issues. 354 * [QTBUG-9321] Fixed very large spinboxes drawing issues. 355 * [QTBUG-9837] Fixed text cutting issues with narrow QComboBoxes. 356 * [QTBUG-9844] Fixed QTreeView branch drawing issues in right to left 357 UI layout. 358 * [QTBUG-9927] Fixed transparent list higlight to show up correctly for 359 S60 3rd edition FP1 devices. 360 * [QTBUG-10064] Removed focus frame drawing for context menus and popups. 361 * [QTBUG-10487] Fixed QToolButton to be drawn pressed when context menu 362 for that button is open. 363 * [QTBUG-10549] Fixed style to honor stylesheet when drawing focus frame 364 for QPushButtons. 365 * [QT-3295] Made QMenu to look more native-like. 366 * [QT-3185] Fixed border frames to be drawn transparent for Sym^3 devices. 367 * [QT-3148] Draw application background correctly when animated wallpaper 368 is used in Sym^3 device. 369 * [QT-3137] Launch virtual keyboard with single tap. 370 * [QT-3104] Re-locate QTabWidget's scrollbuttons to either side of widget. 371 * [QT-2179] Fixed QPushButton with text and QPushButton with standard icon 372 to be of same size. 373 374 - Examples & demos: 375 * Enabled more examples by default in Symbian builds. 376 377 - Documentation 378 * [QTBUG-9277]: Clarified pkg_prerules usage documentation. 379 380 - Plugins: 381 * Fixed sqlite3_v9.2.zip to export sqlite3.iby to correct location. 382 383 - General 384 * [QT-3055]: Fixed filename cases to support building Qt for Symbian in 385 Linux. 386 387 388**************************************************************************** 389* Tools * 390**************************************************************************** 391 392 - qmake 393 * Fixed qmake.pro for using with mingw 394 395