Here is a list of (major) changes in Qt from 0.92 to 0.93.
Bug-fixes, optimizations and much improved documentation, of course.
There are not many changes in the API interface.
Here's a list of the most important changes.
QApplication:
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setCursor(), restoreCursor() now uses a stack of cursors.
quit() is now a slot.
exit() replaces the old static quit() function.
QColor:
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New constructor that makes you set an RGB or HSV color directly,
like this: QColor(320, 255, 240, QColor::Hsv)
QObject:
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Has now a timerEvent(), which was moved from QWidget.
Compatible with old code.
QPainter:
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GC caching (internal optimization) makes drawing very fast.
drawShade* obsolete, moved to qdrawutl.h and renamed to qDrawShade*
- These are now global functions that take QPainter * and QColorGroup
- Added qDrawWinPanel and qDrawWinButton for Windows 95 look
- Added qDrawPlainRect
QPixmap:
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New fill() function that fills the pixmap with the background color
OR background pixmap of a widget.
QRect:
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fixup() renamed to normalize(), returns a new QRect.
QWidget:
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New function setCaption(), setIcon() and setIconText(), moved from QWindow.
New classes:
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QSocketNotifier, makes it possible to write async socket code.
New global functions:
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qInstallMsgHandler() and qRound(), in qglobal.h.
moc:
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Supports templates.
Documentation:
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A tutorial.
Template classes (QArray, QList etc.) are documented.
Many more links in the examples.
Postscript documentation (around 400 pages).