| 1 | Qt 4.5.1 is a bug-fix release. It maintains both forward and backward
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| 2 | compatibility (source and binary) with Qt 4.5.0. For more details,
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| 3 | refer to the online documentation included in this distribution. The
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| 4 | documentation is also available online:
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| 5 |
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| 6 | http://doc.trolltech.com/4.5
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| 7 |
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| 8 | The Qt version 4.5 series is binary compatible with the 4.4.x series.
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| 9 | Applications compiled for 4.4 will continue to run with 4.5.
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| 10 |
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| 11 | Some of the changes listed in this file include issue tracking numbers
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| 12 | corresponding to tasks in the Task Tracker:
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| 13 |
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| 14 | http://www.qtsoftware.com/developer/task-tracker
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| 15 |
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| 16 | Each of these identifiers can be entered in the task tracker to obtain more
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| 17 | information about a particular change.
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| 18 |
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| 19 | ****************************************************************************
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| 20 | * General *
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| 21 | ****************************************************************************
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| 22 |
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| 23 | General Improvements
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| 24 | --------------------
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| 25 |
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| 26 | - Documentation and Examples
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| 27 | * Added printing feature for the Spreadsheet demo.
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| 28 | * [245675] Clarified the differences between QItemDelegate and
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| 29 | QStyledItemDelegate.
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| 30 | * [248752] Marked QPrintDialog::printer(), setPrinter() and addButton()
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| 31 | as Unix only functions, part of Qt3Support.
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| 32 |
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| 33 | - Embedded Dialogs demo
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| 34 | * [246517] Fixed warnings and bugs in hover handling on Mac OS X
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| 35 |
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| 36 |
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| 37 | Optimizations
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| 38 | -------------
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| 39 |
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| 40 | - Graphics View Framework has been optimized in several areas
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| 41 | * Improved the performance of QGraphicsItem::clipPath().
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| 42 | * Improved the performance of QGraphicsItem::setPos().
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| 43 | * Improved the performance of QGraphicsItem::effectiveOpacity().
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| 44 | * Improved the performance of QGrahicsScene::items(*).
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| 45 | * Improved handling of updates.
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| 46 | * Reduced the number of floating point operations.
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| 47 | * Reduced QVariant overhead.
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| 48 |
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| 49 | Third party components
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| 50 | ----------------------
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| 51 |
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| 52 |
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| 53 | ****************************************************************************
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| 54 | * Library *
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| 55 | ****************************************************************************
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| 56 |
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| 57 | - QAbstractItemModel
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| 58 | * Clarified some warning messages printed if the model is invalid.
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| 59 |
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| 60 | - QAbstractEventDispatcher
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| 61 | * [248805] Duplicate timerids could occur if a timer is running while the
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| 62 | QObject is moved to another thread, stopping timers from working.
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| 63 |
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| 64 | - QAbstractSocket
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| 65 | * [192037] Emit the disconnected signal only if we were connected before.
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| 66 |
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| 67 | - QAccessible
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| 68 | * [221731] Fixed a bug where the accessibility plugin could crash if
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| 69 | there was an "&" at the end or spin forever if a label had a sequence of
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| 70 | "&&".
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| 71 | * [241161] Fixed a bug in browsing menus with the keyboard.
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| 72 |
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| 73 | - QAtomicInt
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| 74 | * [216492] Fixed compilation on 64-bit PowerPC machines with gcc 4.3.
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| 75 |
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| 76 | - QAuthenticator
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| 77 | * [237979] Fixed implementation of md5-sess.
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| 78 |
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