1Qt 4.5.2 is a bug-fix release. It maintains both forward and backward 2compatibility (source and binary) with Qt 4.5.1. 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/4.5 7 8The Qt version 4.5 series is binary compatible with the 4.4.x series. 9Applications compiled for 4.4 will continue to run with 4.5. 10 11Some of the changes listed in this file include issue tracking numbers 12corresponding to tasks in the Task Tracker: 13 14 http://qt.nokia.com/developer/task-tracker 15 16Each of these identifiers can be entered in the task tracker to obtain more 17information about a particular change. 18 19**************************************************************************** 20* General * 21**************************************************************************** 22 23General Improvements 24-------------------- 25 26- Documentation and Examples 27 * Added a new example (fancy browser) which shows how to use jQuery 28 in QtWebKit. 29 30 31**************************************************************************** 32* Library * 33**************************************************************************** 34 35- QtDBus 36 * [236955] Fixed an issue that would cause QtDBus to crash when 37 relaying a signal emitted from a class under certain conditions. 38 39- QtOpenGL 40 * [247083] Re-enabled anti-aliasing for large font sizes in OpenGL paint 41 engine. 42 * [251485] Fixed crash that could occur with projective transforms and 43 high quality antialiasing. 44 * [253468] Fixed a crash in the GL 2 paint engine that could occur 45 when drawing text. 46 47- QtWebKit 48 * Backported fixes for critical bugs, memory leaks, and crashes from 49 WebKit trunk (with revision numbers) related to: 50 Canvas (r40546, r41221 r41355, r42996, r43645) 51 Memory (r41527, r43764, r43828, r43830) 52 JavaScript (r39882, r40086, r40131, r40133) 53 Rendering (r41285, r41296, r41659, r42887) 54 Network (r41664, r42516, r42747) 55 Plugins (r41346, r43550, r43915, r43917, r43923) 56 Clipboard (r41360) 57 SVG (r43590, r43795) 58 * Backported various security fixes (r41262, r41568, 59 r41741, r41854, r42081, r42216, r42223, r42333, 60 r42365, r42532, r42533, r44010) 61 62 63- QAbstractItemView 64 * [250754] Changing the font of the view did not update the size of the 65 items if there was an application style sheet. 66 * [252532] Pressing enter in a QPlainTextEdit embedded in an item view 67 now inserts a newline 68 69- QAbstractNetworkCache 70 * Only cache responses to HTTP GET by default, not HTTP PUT or POST. 71 72- QApplication 73 * [249589] Fixed bug that prevented any part of the application from 74 receiving focus when Graphics View was disabled using 75 QT_NO_GRAPHICSVIEW. 76 77- QByteArrayMatcher 78 * [251958] Assignment operator and copy constructor miss data. 79 80- QComboBox 81 * [253944] Changing the style doesn't reset custom item delegate anymore. 82 * [254589] Fixed the frame appearing if setting a style sheet with a 83 border on the embedded item view while there is a style sheet on the 84 application. 85 86- QCompleter 87 * [253125] QCompleter doesn't expand entries with 88 UnfilteredPopupCompletion. 89 90- QCssParser 91 * [252311] "font-family:" now handle fallback font specified with a 92 comma-separated list. 93 94- QDir 95 * Fix reentrancy (listing directories in different threads) 96 97- QFile and QTemporaryFile 98 * Fixed a leak of file descriptors in QTemporaryFile::rename, 99 introduced in 4.5.1 100 * [165920] QFile::copy leaves the source file open after the file has 101 been copied. 102 * [191467] & [252293] QFile::copy of resource files to the file system 103 fails on Windows. 104 * [197857] QFile::copy of resource files leaves temporary files on 105 file system. 106 * [248223] QTemporaryFile: Access denied error when (re-)opening through 107 QFile interface. 108 * [252659] QTemporaryFile::rename may leave source file behind. 109 110- QFileSystemModel 111 * [254701] QFileSystemModel doesn't sort subfolders when being used in a 112 QTreeView. 113 * [251295] Windows path names incorrectly constructed in calls to 114 updateIcon(). 115 116- QFileDialog 117 * [251341] It is not possible to remove a directory in the sidebar if the 118 directory does not exist. 119 * [251321] Hidden path in QFileDialog's sidebar cannot be opened. 120 * [226483] setSidebarUrls() handles the URLs case sensitively so that 121 adding the same directory twice is possible - Windows. 122 * [252068] QFileDialog with QSortFilterProxyModel crashes. 123 * [254490] QFileDialog selectFile() doesn't clear the selection if we 124 call it several times. 125 126- QFontDialog 127 * [252000] Ensure that QFontDialog::getFont() works on Mac OS X. 128 129- QGraphicsItem 130 * [197802] Don't show children when parent is not visible 131 * [252913] QGraphicsItem::setOpacity(0.0) does not trigger an update 132 133- QGraphicsView 134 * [253415] Reset the 'connectedToScene' flag when changing the scene of a view 135 136- QGraphicsWidget 137 * Fixed a bug with Qt::WidgetWithChildren shortcut context. 138 139- QGtkStyle 140 * [250731] Fixed a build issue with glib version lower than 2.3.2 141 * [254342] Fixed a potential crash when system theme changes occur. 142 * [254614] Fixed an assert or warning related to GtkEntry focus handling 143 reported with certain versions of GTK+. 144 145- QLocalSocket 146 * [247144] Correctly handle remote disconnects. 147 148- QMacStyle 149 * [253339] Don't draw arrows on tool buttons that have a menu and text 150 only. 151 * [252301] Ensure that small and mini spin boxes are drawn correctly. 152 153- QMotifStyle 154 * Fix crash when changing style and destroying progress bar. 155 156- QNetworkAccessManager 157 * [248838] Make QNetworkAccessManager reject invalid HTTP input 158 earlier. 159 160- QNetworkCookie 161 * [251959] Fixed parsing of multiple cookies separated by a newline. 162 163- QNetworkCookieJar 164 * [251467] Do not allow cookies for domains like ".com". 165 * [228974] Allow cookies whose domain attribute is missing a leading 166 dot. 167 168- QObject 169 * Fixed possible race condition if two QObject connected together with 170 signals and slots are destroyed in different threads. 171 172- QPainter 173 * [253783] Fixed text shaping bugs when using ligatures and different 174 scripts in a single text item. 175 * Fixed various inconsistencies for image drawing on non-integer 176 coordinates. 177 * Fixed bug with 0-opacity causing images to be drawn fully opaque. 178 * Fixed crash when drawing on a null pixmap. 179 * [251534] Fixed issue where text with non-opaque color from widget 180 palette would be blitted instead of blended. 181 * [253663] Fixed an issue with implicitly closed poly lines when using 182 perspective transforms. 183 184- QPrintDialog 185 * [253135] Crash in QPrintDialog when editing output filename. 186 * [252873] Fixed an issue that could cause QPrintDialog to invalidate 187 a valid QPrinter object. 188 * [224728] Fixed an issue under X11 where QPrintDialog didn't update 189 the print-to-file state if it was passed a QPrinter set up to 190 print PDF or PostScript. 191 192- QPrinter 193 * [252873] Fixed an issue with QPrinter::NativeFormat printers not 194 being valid. 195 * [248881] Fixed an issue under Windows where QPrinter::pageRect() 196 returned the wrong rect when QPrinter::fullPage() was set. 197 * [199271] Fixed an issue with QPrinter::setPrinterName()/printerName() 198 on Mac. 199 200- QProgressBar 201 * [252283] Fixed busy indicator for a QProgressBar with a style sheet 202 applied to it. 203 204- QSelectionModel 205 * [252069] Fix QSelectionModel::rowIntersectsSelection or 206 QSelectionModel::columnsIntersectsSelection not reporting right result 207 if some items are disabled. 208 209- QSortFilterProxyModel 210 * [250023] Fixes QSortFilterProxyModel not reporting child if the model 211 needs to fetchMore(). 212 * [251296] In dynamic filter model, children of temporarily filtered 213 items were not correctly updated. 214 * [252507] Show a warning instead of crashing if invalid indexes are 215 passed. 216 * [254234] Fixed setDynamicSortFilter not working when setting the model 217 initially. 218 219- QString 220 * Fixed reentrancy of QString::squeeze(). 221 222- QSvg 223 * [253614] Fixed an issue with parsing the 'stroke-dasharray' SVG 224 attribute. 225 226- QSvgIconEngine 227 * [251106] Fixed an issue that caused QIcon::actualSize() to reparse 228 the SVG file for each acutalSize() call until QIcon::pixmap() was 229 called. 230 * [248848] Fixed an issue that would cause QIcon::pixmap() to reparse 231 the SVG file, even though there was a cached pixmap for that size 232 available. 233 234- QTabBar 235 * [252472] Fixed problem with the current tab not being visible after 236 calling setTabButton() on a scrolled tab bar. 237 238- QToolButton 239 * [252554] Fixed a problem where text labels would be partially clipped 240 when using Qt::ToolButtonTextUnderIcon. 241 242- QTransform 243 * Fixed issue in QTransform::type() causing a projective transform to be 244 treated as a scaling transform. 245 246- QVector 247 * Fixed reentrancy of QVector::reserve(). 248 249- QWidget 250 * [250668] Don't send extra wheel events when using the scroll wheel in 251 Cocoa. 252 * [253448] Prevent a crash when using the Qt::WA_MacBrushedMetal 253 attribute in conjunction with style sheets. 254 255- QWizard 256 * [252662] Fixed crash that could happen when compiling on Windows XP 257 and running on older Windows versions like 98 and 2000. 258 259**************************************************************************** 260* Platform Specific Changes * 261**************************************************************************** 262 263Qt for Linux/X11 264---------------- 265[253186] Fixed compile error in qfontengine_ft.cpp on 64-bit platforms with 266 legacy FreeType headers. 267[241361] Prevented asynchronous access to non-thread safe libfontconfig API. 268[244362] Worked around X server crash when calling XFillPolygon with more 269 than 200000 points by falling back to raster paint engine. 270[250326] Title bar wasn't shown on X11 with Qt::CustomizeWindowHint for 271 fixed-size windows. 272[251925] Improved showing QMessageBox on small screens. 273[252042] Fixed the loading of the OpenSSL libraries on OpenBSD. 274[255311] Fixed an issue with '-graphicssystem raster' on 8 and 16 bit X 275 servers. 276[252328] Fixed an issue when rendering old XLFD fonts on X11 with Xrender 277 and Fontconfig enabled. 278[248720] Fixed an issue with using '-graphicssystem raster' on X servers 279 with BGR color layout. 280[196152] Fixed a problem with QPixmap::toImage() on big endian systems that 281 would cause the R and B channels to be swapped for 32 bit pixmaps. 282[251928] Made the file dialog show suffixes if no filter name is provided 283 when using the GTK+ file dialog. 284 285Qt for Windows 286-------------- 287 288Fixed an issue with text rendering in 16 bit mode. 289 290[246196] Fixed an issue with clipped glyphs when rendering text with 291 certain fonts. 292[251259] Switching to another application left text cursor in line edits 293 with QtMfc framework. 294[253367] Fixed a memory leak when loading system icons on Windows. 295 296 297Qt for Mac OS X 298--------------- 299[252795] Ensure that we send Apple Events in the Cocoa port even when Cocoa 300 isn't ready. 301[252176] Fix regression in drawing parts of pixmaps on Panther. 302[253402] Fix a crash when a Cocoa window that used to be a QWidget would get 303 events after the QWidget was destroyed. 304[249178] Fixed an issue with drawing text to QImages on Mac/Cocoa. 305[250066] Fixed an issue that caused reparenting of QGLWidgets to output 306 warnings on Mac/Cocoa. 307 308Qt for Windows CE 309----------------- 310[248846] Handle the back soft key on Windows mobile. 311[252319] Fix regression in native menu integration. 312[242484] Fixed crash if Qt::WindowCancelButtonHint is used for a QDialog. 313 314**************************************************************************** 315* Tools * 316**************************************************************************** 317 318- Build System 319 * [253053] Linker in macx-g++42 spec is gcc instead of gcc-4.2. 320 321- Designer 322 * [248769] Fixed a bug affecting the display of keyboard shortcuts in 323 the detailed view of the action editor. 324 * [251092] Fixed a bug preventing entering local file names for QUrl-type 325 properties on Windows. 326 * [251691] Fixed dynamic re-translation of table headers. 327 * [252251] Improved readability of the property editor when using the 328 KDE Obsidian Coast theme. 329 * [253236] Fixed a regression bug triggered by forms with a size policy 330 of 'Fixed' on the main cointainer. 331 * [253278] Made it possible to set QString-type properties using 332 QDesignerFormWindowCursor::setProperty(). 333 * [253539] Prevent crash in Designer with the Cocoa port when when using 334 a scroll wheel to change a property. 335 * [252333] Fixed a regression crash in uic triggered when icon was set 336 with different modes than normal off. 337 * [252414, 252416, 252502] Fixed a crash in case of setting invalid point 338 size of font property in property editor. 339 340- uic 341 * [252333] Fixed a regression crash triggered by using icons with 342 different pixmaps for QIcon states. 343 344 345**************************************************************************** 346* Plugins * 347**************************************************************************** 348 349- DirectFB 350 * Make sure we pick an appropriate format for pixmaps. E.g. use the same as 351 the primary surface for opaque pixmaps and pick an appropriate one for 352 transparent pixmaps if the primary surface format is not transparent. 353 * Properly fall back to the raster engine for pens that aren't solid color. 354 * Properly fall back to raster engine with "mirrored" scales. 355 * Make sure window surfaces are in the appropriate pixel format and created 356 in video memory if supported. 357 * Fix clipping bug that would cause painting errors. 358 * Fix various crash bugs. 359 * Fix bugs when transforming/copying pixmaps with alpha channel. 360 * Fix various bugs with regards to painting with alpha channel/porter 361 duff. 362 * Optimize a couple of internal functions to slightly speed up drawing. 363 * Optimize raster fall backs. 364 * Allow more customization for Flipping options. 365 * Fix drawing with opacity != 1.0. 366 * Support for better logging when trying to debug performance problems. 367 * Fix bug in keyboard handling that caused modifiers not to work. 368 * Get rid of some compiler warnings. 369 370