Changes 3.3.4

            Qt 3.3.4 is a bugfix release. It maintains both forward and backward
compatibility (source and binary) with Qt 3.3.4, Qt 3.3.2, Qt 3.3.1 and Qt 3.3.0.


****************************************************************************
*                           General                                        *
****************************************************************************

Installation
---------------
Added support for DragonFly BSD.
Fixed compilation for 64-bit Linux.
Compilation fixes for OpenBSD configured with -thread.

Windows Installer
-----------------
Add option to set environment variables.
Fixed problem propagating PATH environment variable.
Make sure the PostgreSQL and MySQL libraries are shown correctly.

Compilers
---------
Work around a bug in HP-UX aCC.
Support IRIX with 7.4.x compiler.
Fixed moc compilation when Bison is installed.
Fixed compilation with Intel compiler on Windows.

Qt Designer
-----------
Fixed bug that could corrupt the .pro file. 
Fixed bug that would remove source files from project when using a
statically linked designer.
Fixed handling of custom widget plugins which subclass QWidgetStack.
Raise and give focus to source files when clicking on them in the
project overview.
Fixed bug where empty variable declarations in .ui file would generate
improper C++ code.
Fixed crash when deleting action while changing its name.
Fixed crash when using third party plugins that create tabwidgets without any pages.
Fixed bug renaming slots in edit custom widgets dialog where old slot
name would not get removed.
Make sure uic-generated code compiles when QT_NO_CAST_ASCII is
defined.
Fixed bug showing wrong status indicators in connection table after
sorting the list.
Prevent templates based on unsupported widgets (like QScrollView) from
being created.

Qt Linguist
-----------
Fixed bug where spaces at the beginning or at the end of the source
text would not be displayed.

Qt Assistant
------------
Fixed bug in printing that sometimes caused the last page to be
skipped.
Fixed invalid font size error on startup.

qmake
-------
Work around bug in Visual Studio 2003 Custom Build Steps.
Handle path names with spaces properly.
Handle file names containing '&' characters correctly.
Create dependencies on .ui.h files.
Fixed crash on Solaris when error() string contains single quote.
Make it possible to specify a RES file for the vcproj file.
Fixed bug in make install on Linux
Various improvements for XCode.
Fixed bug in shadow builds.

****************************************************************************
*                          Library                                         *
****************************************************************************

General Fixes
-------------

Upgraded zlib to version 1.2.2.

Included several fixes for buffer overflow vulnerabilities in libpng 1.2.5.

- QAccessible
        Support QScrollView correctly as a container.

- QApplication
        Fixed livelock with recurring non-zero single-shot timers on
        X11/Mac/Embedded.
        Make sure that effects (scrolling/fading of menus/comboboxes)
        are shown on the same screen as the widget.

- QButton
        Make sure released() is emitted only once for each press.

- QButtonGroup
        Prevent loop in cursor navigation.

- QByteArray
        Fixed crash in qCompress() when compressing more than 20MB.

- QCanvas
        Fixed crash when initializing pixmap array from file.

- QColor
        Fixed Purify warning.

- QColorDialog
        Make sure dragged color ends up in correct position.

- QComboBox
        Fixed bug when a custom style overrides SH_ComboBox_Popup.

- QDateTime
        Fixed bug in secsTo() during daylight savings transitions.

- QDateTimeEdit
        Make sure up/down buttons are enabled when the editor is
        enabled.

- QDockWindow
        Make sure resize handles are hidden when setting resizeEnabled
        to false.

- QDns
        Handle TXT records correctly.
        Fixed bug that caused a crash when reading a /etc/resolv.conf
        file containing a blank line.

- QFont
        Return correct width for invalid character combinations in
        Indic scripts.

- QFile
        Fixed bug where calling atEnd() would change the status().

- QFileDialog
        Fixed lock-up in QFileDialog if the current working directory
        is removed after application start-up.
        Fixed update problem when deleting files with non-ASCII
        filenames.

- QFontDatabase
        Use correct font for Asian characters when
        setFixedPitch(false) is called.
        Improved detection of Greek fonts.
        Fixed bug where QFontInfo(f).pointSize() returned 0 in some
        special cases.

- QGLWidget
        Text that has a start point outside the current viewport is
        no longer clipped.

- QHeader
        Fixed drawing of header arrows for right to left text.

- QHttp
        Fixed bug using setHost() to connect to a different port on
        the same host.

- QIconView
        Fixed memory leak when finding containers.
        Make it possible to move selected icons short distances
        (i.e. to a position where there is a selected icon).

- QImage
        Fixed crash when reading invalid XPM files.
        Fixed possible crash in the GIF decoder..
        Fixed buffer overrun when writing XBM files with long
        filenames.
        Support XBM images that start with a C comment.

- QImageIO
        Fixed bug in handling of animated GIFs.

- QLibrary
        Do not attempt to open a library when passed an empty filename.

- QLineEdit
        Fixed bug that caused a crash if negative values are passed to
        setCursorPosition().
        Fixed crash on Windows when connecting the lostFocus() signal
        to a slot that calls QMessageBox::information() and then
        right-clicking in the line edit (open context menu).

- QListView
        Fixed rare crash on destruction.
        Fixed crash after dragging into a list view and then clearing
        it.
        Fixed bad parameter to QListViewItem::text() on key press with
        an unsorted list view.
        Repaint properly after adjusting a column by double clicking
        on the header separator.
        Fixed possible crash when calling setEnabled() on a
        QListViewItem without a list view.
        Make sure QListViewItemIterator copy constructor copies the
        IteratorFlags.

- QLocale
        Fixed crashes when FP-exceptions are enabled.

- QObject
        Fixed crash in object destructor after disconnecting some
        signals.

- QPainter
        Fixed bug using drawText() with Qt::BreakAnywhere in narrow
        rectangles.

- QPixmap
        Fixed a memory leak when copying uninitialized pixmaps.

- QPopupMenu
        Propagate highlighted() signal from torn-off menus.
        Fixed rare crash when a menu is cleared when it is visible.

- QPrintDialog
        Fixed Purify warning.

- QPSPrinter
        Speed up printing of large documents, and make the PostScript
        code smaller.
        Fixed CJK printing.
        Fixed bug in printing of images without alpha.
        Fixed 0.5 pixel offset problem with some point/line drawing
        commands.

- QRegion
        Fixed crash when creating a region from a "polygon" with one or
        two points.

- QRichText
        Fixed memory corruption in undo history when deleting a table.
        Fixed some bugs for bidirectional text (Arabic and Hebrew).
        Fixed bug in backwards searching when there are two adjacent
        table cells.
        Fixed small memory leak.
        Fixed Purify warnings.

- QSocket
        Fixed bug that caused a crash when calling flush() on an
        unconnected socket.

- QSocketDevice
        Handle ::read() == 0 correctly with Stream sockets.

- QSql
        Fixed bug when using DATE field in an InterBase database.
        Fixed bug with large-precision numbers in an Oracle database.
        Fixed problem writing fields with >8K characters to certain
        databases.
        Fixed crash when driver couldn't connect to Postgres database.
        Fixed bug that removed trailing ";" from PL/SQL queries with
        Oracle OCI driver.
        Fixed problem with DB2 driver where fetchNext() would report
        end of result set as an error.
        Fixed bug in ODBC driver where SQL_SUCCESS_WITH_INFO would be
        interpreted as an error.

- QSqlCursor:
        Made select() use the filter() as documented.
        Preserve isGenerated() information when inserting a
        QSqlFieldInfo.

- QSqlQuery
        Fixed bug in Oracle driver with repeated calls to query().

- QString
        Fixed malloc()/release[] conflict when using
        QTextCodec::codecForCStrings().
        Fixed out of bounds write when passing invalid data to
        replace().
        Reduced memory usage in fromUtf8().
        Fixed double to string conversion bug that resulted in "-0.0".
        Fixed endless loop in append(const char*) when compiling with
        QT_NO_CAST_ASCII and STL support.

- QTable
        Fixed redrawing problem.
        Fixed bug where a disabled table header would get a vertical
        line in the middle.

- QTextCodec
        Added support for 8859-16 character encoding.

- QTextEdit
        Fixed bug that would change tab characters to spaces.
        Fixed crash in undo() on a modified read-only text edit.
        Fixed corruption of rich text input containing anchor tags.
        Convert nbsp to normal space when copying and pasting.
        Fixed flicker after calling setPaper().
        Fixed drawing error when using undo on an overlong line.

QTimer
        Fixed possible crash when unloading a plugin using
        QTimer::singleShot().

- QUrl
        Handle URLs containing '+' characters.

- QUrlOperator
        Fixed crash when aborting a get()/put()/copy() operation.

- QValueList
        Fixed infinite loop in "list += list" case.

- QWidget
        Fixed focus bug when the parent of a focused widget is
        disabled.
        Fixed crash when one input widget changes the state of another
        with IME enabled.
        Keep top-level children in stable positions when reparenting.
        Fixed bug where WStyle_Tool widgets would appear inactive.

- QWorkspace
        Fixed bug where activeWindow() would return an invalid pointer
        when a widget is created and immediately deleted.
        Fixed bug where a maximized window would be unmaximized but
        not resizable or movable.
        Make sure that tiling covers the whole workspace.
        Fixed maximized/fullscreen problem when using some window
        managers.

Platform-Specific Issues
------------------------

Windows:

- ActiveQt
        Fixed memory violation when certain COM objects throw
        exceptions.
        Handle unsigned int parameters in signals correctly.
        Forward declare types to support complex object hierarchies.
        Fixed focus grabbing bug.
        Fixed keyboard handling for Ctrl+<alphanumerical> key
        combinations.
        Do not delete the QWidget when the container destroys the
        visual representation of the ActiveX component.
        Fixed crash when a modal dialog appears in a user interface
        that also uses a QAxWidget.

- Drag and drop
        Fixed crash when dragging from a QLineEdit that is deleted
        during the drag and drop operation.
        Fixed masking bug when setting 32-bit pixmap.

- QApplication
        Fixed text input problems with Chinese input methods.
        Fixed rare crash when passing command line arguments.
        Fixed focus bug after showing native file dialog.
        Disable drop shadows on tool windows in XP by default. (It
        causes problems with OpenGL.)
        Fixed bug where setGlobalMouseTracking() would turn on mouse
        tracking for all widgets.
        Fixed bug where minimizing a top-level window in XP would
        generate two hide events.
        Fixed bug where starting a system dialog on an accelerator
        would block the next press of the same key with a different
        modifier state.

- QAssistantClient
        Do not get confused if there is an "assistant" file next to
        "assistant.exe".

- QEventLoop
        Fixed bug in processEvents(ExcludeUserInput | WaitForMore).

- QFileDialog
        Fixed performance problem after creating/deleting a directory
        from the file dialog.

- QFileInfo
        Fixed bug in readLink().

- QFontDatabase
        Fixed problem with some Japanese fonts.

- QFontEngine
        Fixed text drawing with raster operations and/or complex
        transformations on Windows 98/Me.
        Ensure that characters in HalfWidth Katakana are shown
        correctly.
        Fixed character positioning when printing with screen
        resolution.

- QGLWidget
        Fix overlay bug in reparent().

- QLibrary
        Fixed memory leak.

- QPainter
        Fixed problem with rendering of the numeric/encapsulated
        characters for Asian languages.

- QPrinter
        Fixed numCopies() to return 1 when possible.

- QSocketDevice
        Fixed bug in waitForMore().

- QTextCodec
        Fixed bug where locale() would return lowercase country code
        on XP.

- QValueList
        Fixed crash when doing list.remove(list[0]).

- QWidget
        Disable minimize/maximize system menu entries for Alt+Space
        menu correctly.
        Restore geometry correctly when switching between FullScreen
        and Maximized window states.

- QWindowsXPStyle
        Fixed Purify warnings.
        Fixed color for disabled groupboxes.
        Fixed frame for QTabWidget.
        Fixed QStatusBar separator.
        Make sure scroll bars change in size when the font size is
        changed in Display Properties.

- QWorkspace
        In XP style: Ensure that the frame is always the same size as
        the window for fixed size windows.


Mac:

- Drag and Drop
        Fixed crash when drop target is deleted.
        Fixed bug when dragging from a modal dialog.
        Fixed masking on drag image.
        Fixed bug where QDropEvent would be sent even if the drag was
        not accepted.

- QApplication
        Fixed bug where program would hang when posting a large number
        of events.
        The qconfig settings are no longer applied when desktop settings
        are disabled.
        Ensure maximize works after maximize and move.
        Fixed rare heap corruption crash.
        Fixed bug where a modal dialog created from another modal
        dialog would be inaccessible.
        Fixed off-by-one-pixel bug in widgetAt().
        Fixed crash in accessibility module.
        Fixed crash in QDesktopWidget when creating a second
        application.

- QFileDialog
        Show filter text correctly.
        Handle Japanese file names correctly.

- QFileInfo
        Support aliases.

- QFontDatabase
        Fixed font rendering for OpenGL when specifying a non-existing
        font.

- QHeader
        Show selected column correctly when columns are swapped.

- QMacStyle
        Get the correct interval and number of tickmarks for QSlider.
        Fixed text position on buttons.
        Fixed drawing of drop menus.
        Fixed bug where text in a scroll view would be displayed as
        disabled.
        Fixed drawing of QTabWidget when an icon is too big for a tab.
        Improved look of buttons with several lines of text.
        Fixed background for toolbox tabs.
        Fixed text truncation in QToolBox.

- QMenuBar
        Safety fixes.
        Fixed bug where "About..." entry would not be moved into the
        application menu for some languages.

- QPainter
        Fixed bug in drawTiledPixmap() with certain sizes.
        Fixed drawing of transparent, transformed text.
        Fixed drawPoint().
        Fixed bug in drawing scaled pixmaps.

- QPixmap
        Fixed bug where a proxy icon would be overwritten by another.

- QPopupMenu
        Fixed display problems when populating the menu in a slot
        connected to aboutToShow().

- QPrinter
        Get the default paper size from the system settings.
        Fix up the metrics for width and height of the printer.

- QPrintDialog
        Fixed bug where a print dialog created from a modal dialog
        would become inaccessible.

- QSettings
        Fixed bug where setting was written as int and read as bool.

- QWidget
        Fixed bug where active widget would have an inactive title
        bar.
        Fixed bug where StaysOnTop widgets would be on top of the
        screensaver.
        Preserve widget icon transparency.
        Improved icon appearance on the dock when the dock is huge.

X11:

- Motif extension
        Fixed crash bug.
        Fixed top-level geometry information bug in QMotifWidget.
        Fixed annoying (but harmless) error messages on window close.
        Fixed several mouse grabbing bugs.

- QApplication
        Make sure QApplication::setFont() overrides desktop settings.
        Fixed bug where modal dialogs could get obscured by other
        top-level windows.
        Fixed focus bug with non-modal children of modal widgets.
        Fixed bug getting window properties on 64-bit systems.
        Fixed isFullScreen() bug when using window managers with
        partial EMWH-support.
        Fixed bug with auto-repeating accelerators.

- QClipBoard
        Fixed crash when copying large amounts of data to the
        clipboard.

- QFont
        Fixed raster operations for text drawing with Xft.
        Fixed crash on Solaris when fromString() is called with a
        null string.
        Fixed font size issue when using Xft fonts to generate font
        glyphs in OpenGL.

- QFontDatabase
        Fixed bug that caused empty boxes for Chinese characters when
        Xft was enabled.
        Sanity check for broken fontconfig setups.

- QPainter
        Fixed some text rendering issues with Sinhala.
        Fixed bug where BiDi control characters would be rendered in
        text.
        Fixed bug in drawText() with background mode Qt::OpaqueMode
        where rectangle would not be completely filled.

- QPrintDialog
        Fixed possible crash on Solaris 2.6.
        Fixed AIX problem detecting printer queues with names
        containing "-" characters.

- QRichText
        Fixed a possible buffer overflow for Indic languages.
        Fixed line breaking for Thai.

- QSizeGrip
        Fixed bug with size grip in -reverse mode.

- QTextCodec
        Extended the Thai codec by some characters used by Microsoft.

- QWidget
        Fixed bug in erase() with redirected widgets.


Embedded:

Compilation fixes for gcc 3.4.

- QApplication
        Fixed mouse lock-up when widget is hidden when there is a
        window manager mouse grab.

- QLinuxFbScreen
        Added workaround for faulty kernel drivers that return 8bit
        color maps, which made the display all-black in 8bpp mode.

- QGfxRaster
        Fixed antialiased text drawing problem when compiling with gcc
        3.4.

- QWidget
        Fixed bug in showMaximized()/showNormal().

- QWSManager
        Do not allow the user to move or resize maximized windows.