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.
A scenario failing past its opening popped the loader mode and went on to pop it again and push the driver mode with the scenery half loaded; it goes back to the launcher as one that can't be opened. FileCased() goes through the folder only where the file system tells the case apart: on Windows a missing file was looked for in its whole folder for nothing, and a name outside the code page threw from the parser. The Discord thread sleeps a quarter of a second outside the driver mode, not to hold the closing up.
Deleting a model in the editor left the renderer holding it as the picked node, the next pick used freed memory: the renderer forgets it now (Forget_Node). A texture filled straight from memory (internalsrc:) can't be read again, released by the garbage sweep it came back grey; it stays now, and the units bound with the old name are rebound. The arrays of the ED brake force sharing are vectors, they leaked once per update. The scene hierarchy and the editor menu items go through the translation. Python caches ignored.
Pulling a panel's grip into the corner of the screen pushed it a couple of
pixels past the main window, and ImGui gave it an OS window of its own. Now
a panel only comes out when dragged with the cursor outside the main window.
A panel that stays in the main window needs its grips in reach, so a resize
stops at the edge, and a panel left past the edge or too big for the window
is moved back and shrunk to fit.
This is a new io.ConfigViewportsNoAutoDetach option in our copy of ImGui, so
it has to be carried over when ImGui gets updated. ImGui itself has no option
for this, as of 1.93.1.
