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gremlin: host the GTK preview on Gtk.GLArea without GLX - #4538

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alex-pres wants to merge 1 commit into
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alex-pres:pr-gremlin-use-glarea
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alex-pres wants to merge 1 commit into
LinuxCNC:masterfrom
alex-pres:pr-gremlin-use-glarea

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@alex-pres

@alex-pres alex-pres commented Sep 14, 2026

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Drops the ctypes GLX/Xlib context shell previously added to gremlin, so the preview also runs natively under Wayland.

Also correctly handle HiDPI displays [ to support g-code program line picking ]

That is probably more complete solution for problem #4523

Drops the ctypes GLX/Xlib context shell, so the preview also runs natively under Wayland.
gremlin_view hands its box over before realize: Gtk.Widget.reparent() blanks a GLArea.
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