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. **************************************************************************** * New classes * **************************************************************************** * 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 * **************************************************************************** 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. **************************************************************************** * Changes that might affect runtime behavior * **************************************************************************** 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 **************************************************************************** * 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 &)