author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 15:10:48 +0300 | |
changeset 30 | 5dc02b23752f |
child 33 | 3e2da88830cd |
permissions | -rw-r--r-- |
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Qt 4.7 introduces many new features and improvements as well as bugfixes |
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over the 4.6.x series. For more details, refer to the online documentation |
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included in this distribution. The documentation is also available online: |
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http://qt.nokia.com/doc/4.7 |
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The Qt version 4.7 series is binary compatible with the 4.6.x series. |
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Applications compiled for 4.6 will continue to run with 4.7. |
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Some of the changes listed in this file include issue tracking numbers |
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corresponding to tasks in the Qt Bug Tracker: |
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http://bugreports.qt.nokia.com/ |
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Each of these identifiers can be entered in the bug tracker to obtain more |
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information about a particular change. |
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**************************************************************************** |
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* General * |
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**************************************************************************** |
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General Improvements |
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-------------------- |
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- Documentation and Examples |
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- Support for the GL_EXT_geometry_shader4, aka Geometry Shaders, was added |
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to QGLShaderProgram. |
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New features |
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------------ |
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- QNetworkSession, QNetworkConfiguration, QNetworkConfigurationManager |
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* New bearer management classes added. |
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Third party components |
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---------------------- |
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- Updated libpng to version 1.4.0 |
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- Updated libjpeg to version 8 |
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- Updated libtiff to version 3.9.2 |
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**************************************************************************** |
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* Library * |
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**************************************************************************** |
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QtCore |
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------ |
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- QMetaType |
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* Significantly improved performance of the type() function |
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- QState |
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* [QTBUG-7741] Added a function to get the out-going transitions |
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- QStateMachine |
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* [QTBUG-8842] Reset history states when (re)starting machine |
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- QXmlStreamReader |
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* [QTBUG-9196] fixed crash when parsing |
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- QTimer |
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* singleShot with 0 timeout will now avoid allocating objects |
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QtGui |
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----- |
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- QAbstractItemView |
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* Fixed a bug that would cause keyboard searches not to behave |
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properly when used within 400 milliseconds of midnight. |
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- QComboBox |
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* [QTBUG-8796] Made ForegroundRole work for all styles. |
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- QPrinter |
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* Obsoleted the slightly confusing setNumCopies() and numCopies() |
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functions, and replaced them with setCopyCount(), copyCount() and |
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supportsMultipleCopies(). |
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- QPrintDialog/QPrinter |
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* Added support for printing the current page. |
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- QCommonStyle |
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* Fixed a bug that led to missing text pixels in QTabBar when using |
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small font sizes. (QTBUG-7137) |
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- QGraphicsEffect |
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* Fixed rendering bugs when scrolling graphics items with drop |
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shadows. |
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- QGraphicsItem |
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* [QTBUG-8112] itemChange() is now called when transformation |
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properties change (setRotation, setScale, setTransformOriginPoint). |
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- QGraphicsTextItem |
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* [QTBUG-7333] Fixed keyboard shortcuts not being triggered when the |
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the item has focus and something else has the same shortcut sequence. |
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- QGraphicsView |
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* [QTBUG-7438] Fixed viewport cursor getting reset when releasing |
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the mouse. |
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- QImage |
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* [QTBUG-9640] Prevented unneccessary copy in QImage::setAlphaChannel(). |
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* [QTBUG-7982] Added QImage::bitPlaneCount(). |
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- QPicture |
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* [QTBUG-4974] Printing QPictures containing text to a high resolution |
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QPrinter would in many cases cause incorrect character spacing. |
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109 |
|
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- QPainter |
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* Added QPainter::drawPixmapFragments(), which makes it possible to draw |
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pixmaps, or sub-rectangles of pixmaps, at various positions with |
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different scale, opacity and rotation. |
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* [QTBUG-10018] Fixed image drawing inconsistencies when drawing |
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1x1 source rects with rotating / shear / perspective transforms. |
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* Optimized various blending and rendering operations for ARM |
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processors with a NEON vector unit. |
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* Fixed some performance issues when drawing sub-pixmaps of large |
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pixmaps and falling back to raster in the X11 paint engine. |
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120 |
|
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- QPainterPath |
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* [QTBUG-3778] Fixed bug in painter path polygon intersection code. |
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* [QTBUG-7396] Optimized painter path intersections for when at |
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least one of the paths is a rectangle by special casing. |
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* [QTBUG-8035] Got rid of bezier intersection code in the boolean |
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operators (intersect, subtract, unite) to prevent numerical |
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stability issues. |
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128 |
|
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129 |
- QPixmap |
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* [QTBUG-4149] Fixed QPixmap::grabWidget() on widgets that have not yet |
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131 |
been shown. |
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132 |
|
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- QPlastiqueStyle |
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* [QTBUG-6516] Respect AlternateBase role for list views. |
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135 |
|
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- QRegion |
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* [QTBUG-7699] Fixed crash caused by large x-coordinates. |
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138 |
|
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139 |
- QSplitter |
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* [QTBUG-9335] Improve support for 1-pixel splitters by using a |
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141 |
larger drag area. |
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142 |
|
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143 |
- QTransform |
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* [QTBUG-8557] Fixed bug in QTransform::type() potentially occuring |
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Revision: 201025
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after using operator/ or operator* or their overloads. |
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146 |
|
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147 |
QtNetwork |
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148 |
--------- |
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149 |
- QHostInfo: Added a small 60 second DNS cache |
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150 |
- QNetworkAccessManager |
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Revision: 201025
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151 |
* Performance improvements for file:// and http:// |
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152 |
* Crash fixes |
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* Improvements on HTTP pipelining |
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Revision: 201025
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* Fix problem with canReadLine() |
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Revision: 201025
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* Fix problem with HTTP 100 reply |
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Revision: 201025
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* Some new attributes for QNetworkRequest |
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Revision: 201025
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* [QTBUG-8206] add method to send custom requests |
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Revision: 201025
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158 |
* [QTBUG-9618] [MR 2372] send secure cookies only over secure connections |
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Revision: 201025
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159 |
* [QTBUG-7713] Fix bug related to re-sending request |
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Revision: 201025
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* [QTBUG-7673] Fix issue with some webservers |
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Revision: 201025
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161 |
- Sockets |
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* Better support for derived QTcpServer |
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Revision: 201025
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163 |
* [QTBUG-7054] Fix error handling with waitFor*() for socket engine |
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Revision: 201025
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* [QTBUG-7316, QTBUG-7317] Also handle unknown errors from socket engine |
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165 |
- SSL |
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* [QTBUG-2515] Do not make OpenSSL prompt for a password |
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Revision: 201025
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167 |
* [QTBUG-6504, QTBUG-8924, QTBUG-5645] Fix memleak |
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Revision: 201025
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168 |
|
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169 |
QtOpenGL |
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170 |
-------- |
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Revision: 201025
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171 |
- QGLWidget |
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Revision: 201025
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172 |
* [QTBUG-7865] Fixed bug where GL widgets were not fully updated on |
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Revision: 201025
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173 |
Windows Vista/7 with Aero disabled. |
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174 |
|
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Revision: 201025
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175 |
QtScript |
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Revision: 201025
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176 |
-------- |
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Revision: 201025
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- Updated src/3rdparty/javascriptcore to a more recent version |
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Revision: 201025
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178 |
- Significantly improved performance of the Qt/C++<-->JavaScript bridge |
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Revision: 201025
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179 |
- QScriptValueIterator: Significantly improved performance |
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Revision: 201025
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180 |
- [QTBUG-3637] Added a wrap option for excluding slots from a QObject binding |
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Revision: 201025
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181 |
- [QTBUG-6238] Added a function for reporting additional memory cost |
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Revision: 201025
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182 |
- [QTBUG-6908] Significantly improved performance of qsTr() |
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Revision: 201025
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183 |
|
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Revision: 201025
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184 |
QtSvg |
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Revision: 201025
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185 |
----- |
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Revision: 201025
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186 |
- QSvgRenderer |
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Revision: 201025
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187 |
* [QTBUG-8264] Fixed rounded rectangles when 'rx' or 'ry' is zero. |
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Revision: 201025
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188 |
* [QTBUG-10022] Fixed assert failure when loading an invalid SVG. |
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Revision: 201025
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189 |
|
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Revision: 201025
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190 |
QtXmlPatterns |
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Revision: 201025
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191 |
------------- |
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Revision: 201025
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192 |
|
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Revision: 201025
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193 |
- [QTBUG-8920] fixed crash with anonymous types in XsdSchemaChecker |
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Revision: 201025
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194 |
- [QTBUG-8394] include/import/redefine schemas only once |
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Revision: 201025
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195 |
- QXmlSchema: fix crash with referencing elements |
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Revision: 201025
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196 |
|
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Revision: 201025
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197 |
Qt Plugins |
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Revision: 201025
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198 |
---------- |
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Revision: 201025
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199 |
|
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Revision: 201025
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200 |
- Jpeg image IO plugin |
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Revision: 201025
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201 |
* Fixed failure to store certain QImage formats as jpeg (QTBUG-7780) |
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Revision: 201025
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202 |
* Optimized smoothscaling |
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Revision: 201025
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203 |
* Optimized to avoid data copy when reading from memory device (QTBUG-9095) |
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Revision: 201025
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204 |
|
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Revision: 201025
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205 |
- SVG image IO plugin |
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Revision: 201025
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206 |
* Added support for svgz format (QTBUG-8227) |
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Revision: 201025
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207 |
* Fixed canRead() so that it can be used also for non-sequential |
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Revision: 201025
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208 |
devices. (QTBUG-9053) |
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Revision: 201025
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* Added support for clipping and scaling and backgroundcolor |
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* Optimized to avoid data copy when reading from memory device (QTBUG-9095) |
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* Database Drivers * |
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* Platform Specific Changes * |
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Qt for Linux/X11 |
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---------------- |
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- QGtkStyle |
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* Fixed rtl issues with sliders (QTBUG-8986) |
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* Fixed missing pressed appearance on scroll bar handles. (QTBUG-10396) |
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Qt for Windows |
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-------------- |
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- Popup windows now implicitly activate when shown. (QTBUG-7386) |
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- QLocalSocket |
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* Pipe handle leak fixed, when closing a QLocalSocket that still has |
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unwritten data. (QTBUG-7815) |
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* Fixed closing state for local sockets with unwritten data. (QTBUG-9681) |
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* Improved performance of writing to QLocalSocket. |
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Qt for Mac OS X |
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--------------- |
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- QMacStyle |
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* Removed frame around statusbar items. (QTBUG-3574) |
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* More native appearance of item view headers and frames. (QTBUG-10047) |
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Qt for Embedded Linux |
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--------------------- |
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* Add support for WA_TranslucentBackground (QTBUG-5739) |
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* Add support for QFont::NoAntialias (QTBUG-5936) |
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Qt for Windows CE |
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----------------- |
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- Core changes |
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* Fixed menu handling on Windows mobile. (QTBUG-8754) |
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* Fixed a crash when receiving a certain type of WM_SETTINGSCHANGE |
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message. (QTBUG-7943) |
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- QWindowsMobileStyle |
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* Huge performance penalty for QTabWidget fixed for |
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Windows mobile 6.5. (QTBUG-8419) |
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* QTabBar scroll button size has been fixed. (QTBUG-8757) |
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* Detection of Windows mobile 6.5 fixed. (QTBUG-8418) |
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**************************************************************************** |
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* Compiler Specific Changes * |
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**************************************************************************** |
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**************************************************************************** |
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* Tools * |
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**************************************************************************** |
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- Build System |
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- "configure -fast" on Windows now also works for other make tools than |
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nmake. (QTBUG-8562) |
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- Assistant |
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- Designer |
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- [QTBUG-9351] Fixed a bug that caused modified headerview-properties |
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of item views to be duplicated in the UI-file. |
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- [QTBUG-8347] Fixed a layout problem caused by embedded images in the rich |
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text of a QLabel. |
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- [QTBUG-8041], [QTBUG-8213] Fixed a crash related to undo while moving |
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widgets by arrow keys. |
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- [QTBUG-7822] Added support for the 'windowOpacity'-property. |
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- [QTBUG-7764] Fixed the emission of the propertyChanged()-signal of |
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QDesignerPropertyEditorInterface. |
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- [QTBUG-5492] Made widgetbox-filter match on class names, too. |
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- Linguist |
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- Linguist GUI |
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- lupdate |
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- lrelease |
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- rcc |
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- moc |
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- uic |
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- uic3 |
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- [QTBUG-9207] Fixed export of image files of type XPM, added |
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compatibility option -limit-xpm-linelength. |
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- qmake |
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- configure |
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**************************************************************************** |
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* Plugins * |
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* Important Behavior Changes * |
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QtScript: Changes due to updating src/3rdparty/javascriptcore: |
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using QScriptValue::setProperty(). |
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a column number of 1. |
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over Array objects. |