qt6windows7/dist/changes-4.1.4

Qt 4.1.4 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 4.1.0.

The Qt version 4.1 series is binary compatible with the 4.0.x series.
Applications compiled for 4.0 will continue to run with 4.1.

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*                           General                                        *
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Configure / Compilation
	Compile with -no-qt3support on Windows.
	Compile on Linux with icc 9.1.
	Compile on tru64-g++.
	Compile MySQL plugin with client libraries below MySQL 4.1.
	Compile SQLite on Tru64 V5.1B with gcc 3.3.4.
	Compile ODBC plugin on 64-bit Windows.
	Disable fastcall calling convention on faulty gcc compilers.

Demos / Examples
	Fixed a crash in the Torrent example.
	Container extension example: Fixed regression that caused Designer
	to crash when previewing a MultiPageWidget and changing the page.

Designer
	Generate unique object names for splitters.

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*                          Library                                         *
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General improvements
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- Fixed crash in QGLWidget::makeCurrent() when called from a thread not
  created with QThread.
- Fixed a crash that occurred when writing a PNG image when Qt is built
  statically.
- Fixed Arabic shaping for some fonts.
- Limited the character string to 255 characters when writing Type1 fonts to
  a PostScript file, in accordance with the PostScript specification.
- Fixed regression in painting of clipped, cosmetic lines with angles of
  0-45 degrees.
- Documented the rules for starting and stopping timers in multithreaded
  applications.

- QCommonStyle
	Added protection against null pointer in pixelMetric() for
	PM_TabBarTabVSpace.

- QDirModel
	Fixed crash when dragging and dropping a file into a directory.

- QHeaderView
	Fixed painting errors when scrolling a header that has a large
	number of sections.

- QListView
	Fixed assert when hiding all the rows.
	Fixed crash when setting the model to a null pointer.

- QMainWindow
	Fixed possible crash when calling setCentralWidget() multiple
        times.

- QPainter
	Fixed a regression in drawPoint() that caused painting errors
	when setting the pen width to 0 (e.g. cosmetic pen) and then
	setting a scale.

- QPlastiqueStyle
	Fixed a regression that caused flat push buttons to be painted
	like normal push buttons.

- QSortFilterProxyModel
	Emit modelReset() signal when setting a source model.

- QTextEdit
        Ensure that the cursor is visible after dragging & dropping text

- QTreeView
	Fixed potential assert when asking for the coordinates of a
	non-existing item.
	Fixed a regression that caused selections to be	painted
	incorrectly when the last column was hidden.

- QWidget
	Fixed crash when deleting the widget in closeEvent().

- QWorkspace
	Fixed crash caused by setting the window title when windowWidget is
        null.

Platform-Specific changes
-------------------------

Windows:

- Fixed a bug that caused application text to be absent in Qt applications
  on Windows NT 4.0.
- Fixed resource leak in non-accelerated GL contexts.


X11:

- Improved performance of clipped bitmaps on systems that don't use XRender.
- Made QFont::setStretch() work when using FontConfig/FreeType fonts.
- Documented scrolling of transparent/opaque widgets.


QPaintEngine
	Support OddEven fill rule.

QPainter
	Fixed a regression that caused drawImage() to ignore the width
	and height of the source rectangle and draw the whole image without
	any clipping.


Qtopia Core:

- Fixed crash due to incorrect assembly code in implementation of
  q_atomic_swp() for ARM.
- Set the Q_PACKED macro when using icc on ARM, so that the generated
  code is binary compatible with gcc-generated code.