[vim/vim] Add "clipwindow" popup option to confine popup to host window (PR #20166)
mattn
Adds a new "clipwindow" boolean option for popup_create()/popup_setoptions(). When set on a textprop-anchored popup, the popup's drawn extent is confined to its host (textprop) window's content rectangle, so it no longer bleeds across a horizontal split's statusline or a vsplit's separator into another window.
The popup keeps its full logical size and position; only the rows or columns that fall outside the host window's content area are skipped at draw time. As the textprop scrolls toward the host's edge the popup looks visually "cut off" without its borders being relocated, and is hidden once it has fully scrolled past. popup_getoptions() and popup_getpos() continue to report the unclipped geometry.
You can view, comment on, or merge this pull request online at:
https://github.com/vim/vim/pull/20166
Commit Summary
- 84a4f7d add clipwindow popup option
- 21be5d1 fix top-clip animation for clipwindow popup
- 2cd9f23 factor out clipwindow geometry math
- f0a655e extract popup_geom_save_T and popup_screenpos_above_top
- c0abfcb extract clipwindow helpers and reuse popup_clip_T
- e1c37ba add tests for clipwindow popup option
File Changes
(6 files)
- M src/popupwin.c (575)
- M src/proto/textprop.pro (1)
- M src/structs.h (16)
- M src/testdir/test_popupwin.vim (56)
- M src/textprop.c (40)
- M src/vim.h (1)
Patch Links:
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mattn
@mattn pushed 1 commit.
- f0a5422 document clipwindow popup option
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