Our desktop app has an overlay over the main window with an "aperture" that is made transparent to mouse events by setting the Qt::WA_TransparentForMouseEvents attribute. This used to work well in an...
zaphod.b Today, 14:06Overload https://qwt.sourceforge.io/class_qwt_abstract_scale_draw.html#ac1d855f856b746559c41f4f06ec5442d
Uwe
I am plotting raster maps using QwtPlotSpectrogram which often have large values for coordinate systems.
For instance my map has X coord starting at 417404 and Y coordinate starting at 2429566. ...
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Qt::WA_TransparentForMouseEvents
Today 14:06 by zaphod.b