This is not too difficult to do using the built in capabilities of QGraphicsView. The demo script below has left-button panning and wheel zoom (including anchoring to the current cursor position). The fitInView method has been reimplemented because the built in version adds a weird fixed margin that can’t be removed. PyQt4 version: from PyQt4 … Read more
I don’t use GIF animation with QGraphicsView or QGraphicsScene, I use it only in QDialog, but I think it’s the same stuff, so here is my code: QMovie *movie = new QMovie(“:/images/other/images/16×16/loading.gif”); QLabel *processLabel = new QLabel(this); processLabel->setMovie(movie); movie->start(); My loading.gif I took from this link. PS: also check the examples from Qt SDK. They … Read more
Such zooming is a bit tricky. Let me share my own class for doing that. Header: #include <QObject> #include <QGraphicsView> /*! * This class adds ability to zoom QGraphicsView using mouse wheel. The point under cursor * remains motionless while it’s possible. * * Note that it becomes not possible when the scene’s * size … Read more