Here is a list of user-visible changes in Qt from 1.2 to 1.30.  As

usual, we fixed some bugs, made some more speedups, and improved the

documentation.

Keyboard accelerators and traversal are significantly improved.

Two new extensions included with Qt 1.30. They are not part of the library:

Netscape plugin support. You can now write portable Netscape plugins

using Qt. See the qt/extensions/nsplugin directory in the distribution.

The ImageIO extension library gives a framework for adding new image

formats, including PNG and JPEG in this release. See the qt/extensions/imageio

directory in the distribution.

The OpenGL extension for Qt now resides in qt/extensions.

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* 			     New classes				   *

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* QProgressBar displays a progress bar.

* QProgressDialog uses QProgressBar to give the user feedback during long

  operations, as well as a means of aborting.

* QMovie supports animated GIFs and incremental loading of images.

* QHBoxLayout and QVBoxLayout are convenience classes giving a simpler

  interface to QBoxLayout.

* QValidator provides a mechanism for validating input.

****************************************************************************

*		       Enhancements from 1.2 to 1.30			   *

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QFont now supports charsets latin1 through latin9.

New command-line arguments: -style motif and -style windows are

accepted, as well as -style=motif and -style=windows, -visual, -ncols,

-cmap.

QMultiLineEdit is usable for much bigger documents than in 1.2

More sizeHint() functions added, some existing ones tweaked.

Many widgets have improved look and feel, particularly changes to

Windows GUI style to match Windows more closely.

Improved Postscript output.

Color handling has been improved; better 32-to-8 conversion; Qt

prefers to use Macintosh/Netscape color cube in 8-bit mode; more and

better dithering support.

GIF and PPM support.

QMessageBox has a number of new static functions to replace the

venerable message(): information(), warning(), critical() and about().

QPopupMenu can now display icon and text in the same item.

QPopupMenu::exec() to pop up a synchronous popup menu.

QListBox now supports multi selection.

QWidget::setBackgroundMode() gives a powerful way of managing widget

backgrounds, to reduce flicker.

QWidget::setIcon() now works under both X11 and Windows.

The file dialog now remembers the previously selected directory.

QApplication::setWinStyleHighlightColor() sets the highlight color in

windows style.

QApplication::setDoubleClickInterval() sets the double click timeout

The layout example is new and more informative.

There is a new openGL example; extension/opengl/examples/box/ shows

how to control an openGL widget using Qt user interface components.

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*               Changes that might affect runtime behavior                 *

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Tab/Shift-Tab handling has been improved a lot; this means that

widgets which couldn't get keyboard focus before now can.

Some widgets (buttons, tab bars, tab dialogs) semi-automatically set

up keyboard accelerators. ( setText("E&xit") will give Alt-X as an

accelerator.)  In some very rare cases, this will cause changes of

behaviour.

The QColor::light() function now works, and anything which relied on

its buggy behaviour might be a little darker than expected until changed,

usually just recompiling (the default argument has also changed).

The colors used have been tuned a bit; pixmaps that "know" the RGB

values of colorGroup().background() and the like will look just a tiny

bit wrong.

QApplication calls setlocale to the local environment, except for

LC_NUMERIC which is set to the C locale. This means that input/output

of floating point numbers will always use '.' as the decimal separator, 

while all other locale dependant operations will use the default locale.

****************************************************************************

*               Changes that might generate compile errors                 *

*                        when compiling old code                           *

****************************************************************************

none

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*               Type changes that might generate warnings:                 *

****************************************************************************

none

****************************************************************************

* 			Deprecated functions				   *

****************************************************************************

QApplication::setColorMode()

 - see QApplication::setColorSpec(int)

QRegion::xor()

 - see QRegion::eor()

QMessageBox::message()

 - see QMessageBox::information/warning/critical

QMultiLineEdit::getCursorPosition()

 - see QMultiLineEdit::cursorPosition()

QTabDialog::setOKButton()

 - see QTabDialog::setOkButton()

****************************************************************************

*      New public/protected functions added to existing classes            *

****************************************************************************

QAccel::repairEventFilter()

QApplication::activeModalWidget()

QApplication::activePopupWidget()

QApplication::allWidgets()

QApplication::doubleClickInterval()

QApplication::hasGlobalMouseTracking()

QApplication::processEvents(int)

QApplication::processOneEvent()

QApplication::setDoubleClickInterval(int)

QApplication::setGlobalMouseTracking(bool)

QApplication::setWinStyleHighlightColor(QColor const &)

QApplication::winStyleHighlightColor()

QApplication::x11ProcessEvent(_XEvent *)

QBoxLayout::className() const

QButton::accel() const

QButton::animateClick()

QButton::enabledChange(bool)

QButton::setAccel(int)

QComboBox::clearValidator()

QComboBox::setStyle(GUIStyle)

QComboBox::setValidator(QValidator *)

QComboBox::validator() const

QDir::convertSeparators(char const *)

QFrame::sizeHint() const

QGridLayout::addColSpacing(int, int)

QGridLayout::addRowSpacing(int, int)

QGridLayout::className() const

QImage::convertDepth(int, int) const

QImage::create(QSize const &, int, int, QImage::Endian)

QImage::createAlphaMask(int) const

QImage::inputFormats()

QImage::outputFormats()

QImage::pixel(int, int) const

QImage::pixelIndex(int, int) const

QImage::setPixel(int, int, unsigned int)

QImage::valid(int, int) const

QImageIO::inputFormats()

QImageIO::outputFormats()

QLabel::movie() const

QLabel::setMovie(QMovie const &)

QLayout::className() const

QLineEdit::clearValidator()

QLineEdit::setValidator(QValidator *)

QLineEdit::sizeHint() const

QLineEdit::validator() const

QListBox::clearSelection()

QListBox::focusOutEvent(QFocusEvent *)

QListBox::highlighted(char const *)

QListBox::isMultiSelection() const

QListBox::isSelected(int) const

QListBox::selected(char const *)

QListBox::selectionChanged()

QListBox::setMultiSelection(bool)

QListBox::setSelected(int, bool)

QListBox::toggleCurrentItem()

QMenuBar::heightForWidth(int) const

QMenuBar::leaveEvent(QEvent *)

QMenuBar::separator() const

QMenuBar::setSeparator(QMenuBar::Separator)

QMenuData::changeItem(QPixmap const &, char const *, int)

QMenuData::insertItem(QPixmap const &, char const *, QObject const *, char const *, int)

QMenuData::insertItem(QPixmap const &, char const *, QPopupMenu *, int, int)

QMenuData::insertItem(QPixmap const &, char const *, int, int)

QMessageBox::about(QWidget *, char const *, char const *)

QMessageBox::aboutQt(QWidget *, char const *)

QMessageBox::buttonText(int) const

QMessageBox::critical(QWidget *, char const *, char const *, char const *, char const *, char const *, int, int)

QMessageBox::critical(QWidget *, char const *, char const *, int, int, int)

QMessageBox::icon() const

QMessageBox::iconPixmap() const

QMessageBox::information(QWidget *, char const *, char const *, char const *, char const *, char const *, int, int)

QMessageBox::information(QWidget *, char const *, char const *, int, int, int)

QMessageBox::setButtonText(int, char const *)

QMessageBox::setIcon(QMessageBox::Icon)

QMessageBox::setIconPixmap(QPixmap const &)

QMessageBox::setStyle(GUIStyle)

QMessageBox::standardIcon(QMessageBox::Icon, GUIStyle)

QMessageBox::warning(QWidget *, char const *, char const *, char const *, char const *, char const *, int, int)

QMessageBox::warning(QWidget *, char const *, char const *, int, int, int)

QMultiLineEdit::cursorPoint() const

QMultiLineEdit::cursorPosition(int *, int *) const

QMultiLineEdit::getMarkedRegion(int *, int *, int *, int *) const

QPainter::drawPoints(QPointArray const &, int, int)

QPainter::drawWinFocusRect( int, int, int, int, const QColor & )

QPalette::detach()

QPicture::data() const

QPicture::isNull() const

QPicture::setData(char const *, unsigned int)

QPicture::size() const

QPixmap::convertFromImage(QImage const &, int)

QPixmap::load(char const *, char const *, int)

QPixmap::loadFromData(unsigned char const *, unsigned int, char const *, int)

QPopupMenu::exec()

QPopupMenu::setActiveItem(int)

QRegion::eor(QRegion const &) const

QSize::transpose()

QTabBar::setCurrentTab(QTab *)

QTabBar::setCurrentTab(int)

QTabBar::setShape(QTabBar::Shape)

QTabBar::shape() const

QTabBar::tab(int)

QTabBar::tabList()

QTabDialog::addTab(QWidget *, QTab *)

QTabDialog::hasOkButton() const

QTabDialog::selected(char const *)

QTabDialog::setTabBar(QTabBar *)

QTabDialog::showPage(QWidget *)

QTabDialog::styleChange(GUIStyle)

QTabDialog::tabBar() const

QTabDialog::tabLabel(QWidget *)

QTableView::minViewX() const

QTableView::minViewY() const

QTableView::updateTableSize()

QToolTip::font()

QToolTip::palette()

QToolTip::setFont(QFont const &)

QToolTip::setPalette(QPalette const &)

QWidget::backgroundMode() const

QWidget::create(unsigned int, bool, bool)

QWidget::destroy(bool, bool)

QWidget::focusProxy() const

QWidget::focusWidget() const

QWidget::isVisibleToTLW() const

QWidget::setBackgroundMode(QWidget::BackgroundMode)

QWidget::setFixedHeight(int)

QWidget::setFixedWidth(int)

QWidget::setFocusProxy(QWidget *)

QWidget::setMaximumHeight(int)

QWidget::setMaximumWidth(int)

QWidget::setMinimumHeight(int)

QWidget::setMinimumWidth(int)

QWidget::setTabOrder(QWidget *, QWidget *)

QWidget::update(QRect const &)