[vim/vim] popup: opacity popup over a terminal is not cleared when moved (PR #20688)

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h_east

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7:18 AM (8 hours ago) 7:18 AM

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Problem:  A semi-transparent (opacity) popup shown over a terminal window
          leaves its old cells on screen when it is moved or its text
          changes, and typing in the terminal makes them accumulate.  Only
          a full redraw (CTRL-L) clears them.
Solution: When redrawing the background under an opacity popup, force a full
          repaint of an underlying terminal window so the blend uses the
          terminal's true background instead of stale, already-blended
          cells.

fixes: #20679

You can view, comment on, or merge this pull request online at:

https://github.com/vim/vim/pull/20688

Commit Summary

eae348a popup: opacity popup over a terminal is not cleared when moved

File Changes

(2 files)

M src/popupwin.c (21)
M src/testdir/test_popupwin.vim (37)

Patch Links:

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Christian Brabandt

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1:59 PM (1 hour ago) 1:59 PM

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chrisbra left a comment (vim/vim#20688)

thanks

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