So now you have to support all browsers : Firefox, Safari, Chrome and Edge. Plus some old stuff because this customer still has a Centos 4 Workstation running and another has a few Windows XP PCs that are mission critical.
I don't know if Motif is better at that, but I wouldn't bet on web-apps personally.
Is Motif actually available on modern Linux systems? And is there a Windows port as well?
I find it difficult to believe that Motif is actually that portable.
Web apps are only as portable as the browser features they use, and the browsers available for the platform. A primarily backend-rendered app, with minimal Javascript is much more portable than the average SPA app.
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Really weird that he recommends Motif. Motif is not comparable to Web/Gtk/Qt since it has only the most primitive widgets, and no 3D support.
I would propose doing a web-app if you really care so much about compatibility. Web also allows for more custom widgets.
So now you have to support all browsers : Firefox, Safari, Chrome and Edge. Plus some old stuff because this customer still has a Centos 4 Workstation running and another has a few Windows XP PCs that are mission critical.
I don't know if Motif is better at that, but I wouldn't bet on web-apps personally.
Is Motif actually available on modern Linux systems? And is there a Windows port as well?
I find it difficult to believe that Motif is actually that portable.
Web apps are only as portable as the browser features they use, and the browsers available for the platform. A primarily backend-rendered app, with minimal Javascript is much more portable than the average SPA app.
https://www.archlinux.org/packages/community/x86_64/openmoti... lists as being updated 2020-01-05, and https://sourceforge.net/p/cdesktopenv/wiki/SupportedPlatform... claims that CDE supports a rather lot of platforms (which implies motif), although I'll grant that most of those probably haven't been tested in a while.
Still better watch your step. Features can be removed from the platform. https://stackoverflow.com/a/46689336/
What widgets do you feel are missing from Motif ? And why would it need 3D support ?