alt Hacker NewsI've used Qt off and on, and it's generally worked as advertised. Although when drawing very short lines on a canvas way back when (~2004), it wouldn't do a great job and I had to hack in custom routines that did a much better job.
For prototyping / one-offs, I've always enjoyed working in Tcl/Itcl and Tk/Itk - object oriented Tcl with a decent set of widgets. It's not going to set the world on fire, but it's pretty portable (should mostly work on every platform with minor changes), has a way to package up standalone executables, can ship many-files-as-one with an internal filesystem, etc..
Of course, I spent ~15 years in EDA, so it's much more comfortable than for most people, but it can easily be integrated into C/C++ as well with SWIG, etc.
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>Although when drawing very short lines on a canvas way back when (~2004), it wouldn't do a great job and I had to hack in custom routines that did a much better job.
QCanvas (or was it QGraphicsCanvas?) has long since been replace with QGraphicsScene, which is much more capable and doesn't suffer from pixelation issues.
> I've always enjoyed working in Tcl/Itcl and Tk/Itk
In the near future I need to lash up a windows utility to generate a bunch of PDF files from a CSV (in concert with GhostScript), with specific filenames. I was trying to figure out the best approach and hadn't even considered Tcl and Tk - with Itcl you might have just given me a new rabbithole to explore! Thanks! (...I think!)