161 lines
5.6 KiB
Groff
161 lines
5.6 KiB
Groff
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Qt 2.2.1 is a maintainance release. It keeps backward binary compatibility
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with Qt 2.1 and both forward and backward source compatibility with Qt 2.2.x.
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Qt 2.2.0 had a binary compatibility problem with the following:
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bool QRect::contains( const QRect &r, bool proper=FALSE ) const
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Qt 2.2.1 corrects this. Programs compiled with 2.1.x now continue
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running with 2.2.1. Programs compiled with versions other than 2.2.0
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may not run with 2.2.0, so upgrading to 2.2.1 is additionally important.
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****************************************************************************
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* General *
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****************************************************************************
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- Various compilation problems on particular platforms fixed
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- Many improvments in QThread. More platforms supported
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(e.g. HPUX 11.x), uses native threads on Solaris rather than
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compatibility posix threads
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- A few newly discovered memory leaks and free memory reads fixed
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- As usual, many minor bugfixes, too small to be mentioned here.
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****************************************************************************
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* Designer *
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****************************************************************************
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- in KDE mode: don't show all KDE widgets in the toolbars, since we do
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not have icons for them (yet). They are accessible through the menu
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structure, though.
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- Introduced concept of a global /etc/designerrc and a templatePath
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for the sake of Linux Standard Base (LSB) and the way Linux
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ditributors like to package the Qt Free Edition.
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- Support for tab names in a QTabWidget, and page names in a QWizard.
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- Support for button IDs in a button group, makes it possible to utilize
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one single slot for all buttons in a group.
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****************************************************************************
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* Library *
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****************************************************************************
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QClipboard: X11 only: fixed occasional crashes, possibly corrupted
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list of provided types and hangups of several seconds under
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certain circumstances.
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QFileDialog: Fixed update when renaming a file to an existing file
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Unix only: Reset error status after attempting to read an
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empty file
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Fixed magical resetting of the "Open" label
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Fixed duplicate entries in the history combobox
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QFont: Fixes for Hewbrew, Arabic and Thai encodings
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Added support for Ukrainian encodings
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X11 only: loading fonts for a locale other than the
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current now possible (allows displaying japanese characters
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in a latin1 application without relying on the existence of
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a unicode font)
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QHeader: removing labels fixed, important for QTable and QListView
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QIconView: drawing problem with missleading font metrices and
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bounding rectangles fixed
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QInputDialog,
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QMessageBox: use the main widget's or parent's icon if available
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QLayout: synchronize the behaviour of sublayouts and subwidgets with
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layouts.
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QLineEdit: Update cursor position if QValidator::fixup() truncates the
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string
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QMainWindow: Fixed calculated minimum size. Sometimes, the minimum width
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of the central widget was disregarded.
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QMenuBar: Sizing fixed for frameless menubars in toolbars in
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Motif-based styles
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QMotifPlusStyle: correct drawing of triangular tabs
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QMovie: keep frameImage() during EndOfMovie signal
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QDom: add comments when reading a xml file into the dom
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QPrinter: MS-Windows only: Fixed invalidation when setup dialog was
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cancelled
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QSgiStyle: Small drawing problem with QTabBar fixed.
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Fixed drawing of special prefix in menu items
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QSizePolicy: setHeightForWidth() was broken, works now
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QTextCodec: significant speedups for latin1 conversion
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QTextStream: small speed improvements for readLine()
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Added codec for ukrainian (koi8-u) encoding
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QWheelEvent: Support for the MSH_MOUSEWHEEL extension on MS-Windows 95
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QWidget: X11 only: Fixed possible mouse lock-ups when re-entering
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the event loop on mouse events for widgets of type
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WType_Popup.
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X11 only: set input context when setting the active
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window
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X11 only: when dialogs were closed, the main window looked
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like it lost focus with some window managers. This has been
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fixed now.
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QWidgetStack: potential flicker issue fixed
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QWorkspace: normalize minimized children when they get focus
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removed occasional flashing (e.g. when maximizing child
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windows)
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Look and feel adjustments to emulate MS-Windows even
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closer
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Documented that the active window can be 0 if there is no
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active window
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Slightly modifed the button decorations to be more general
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and less KDE2 specific
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****************************************************************************
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* Changes that might affect runtime behavior *
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****************************************************************************
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QLayout:
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We synchronized the behaviour of sublayouts and subwidgets with
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layouts. This shows great effect in the designer, were you usually
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operate on container subwidgets in the design phase, but get a
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complete layout in the preview mode or the generated code. For
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example, the influence of a spacer item on a sublayout's size policy
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has been reduced. The modifications may slightly affect the layout of
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some dialogs.
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****************************************************************************
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* Qt/Embedded-specific changes *
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****************************************************************************
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- Rotated displays & fonts
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- QCOP, a simple interprocess messaging system
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- Threading support
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- Auto-detected mouse
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- VGA16 support
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- Improved thick lines
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- Optimize some double-painting
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- Allow setting of custom 8bpp colors: QApplication::qwsSetCustomColors()
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- Fix masked widget drawing and clicking
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- Fix mouse grabbing for popups
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