maj00r be40008808 fix(ui): tooltips and popups stay in the main window, and a long tooltip wraps ...

With the panels in separate windows on (the default), a tooltip or a popup that didn't fit in the main window got a window of
the system of its own, with an OpenGL context of its own. The editor froze so on 2026-11-08: its main thread stuck for good in
the NVIDIA driver while making the context of an invisible window 1925 x 29 px, a tooltip in one line wider than the screen.
The Polish texts of the editor have tooltips of up to 360 characters in a line; the one of the curve mode of laying track is
2088 px wide.

- io.ConfigViewportsNoAutoDetach (a MaSzyna addition, set with the separate windows) keeps the tooltips and popups shown over
  the main window inside it too, placed and shrunk as they are without the separate windows: they get no viewport of their
  own. A panel dragged out of the main window by hand still gets its window, and the tooltips and popups over it may go past
  its edge as before.
- io.ConfigTooltipsWrapWidth (a MaSzyna addition): SetTooltip() wraps its text at this width. The ui sets 40 em, 520 px at the
  font of 13 px.

Checked in the editor on a hidden desktop: the tooltip of the curve mode, full screen 1920 x 1080, and the one of the redo
button at the edge of a window 1280 x 720 each made a window of their own before, and none now. Both are drawn in the main
window, the long one in five lines.

2026-11-08 19:26:19 +01:00

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