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fix(tui): set id parameter in OSC 8 sequences (#29840)

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The id parameter is used to communicate to the terminal that two URLs
are the same. Without an id, the terminal must rely on heuristics to
determine which cells belong together to make a single hyperlink.

See the relevant section in the spec [1] for more details.

[1]: https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda#hover-underlining-and-the-id-parameter
This commit is contained in:
Gregory Anders
2024-07-24 09:04:09 -05:00
committed by GitHub
parent 862338255d
commit b02c839414
2 changed files with 10 additions and 5 deletions
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7
src/nvim/tui/tui.c
View File

@@ -793,7 +793,12 @@ static void update_attrs(TUIData *tui, int attr_id)
if (attrs.url >= 0) {
const char *url = urls.keys[attrs.url];
kv_size(tui->urlbuf) = 0;
kv_printf(tui->urlbuf, "\x1b]8;;%s\x1b\\", url);
// Add some fixed offset to the URL ID to deconflict with other
// applications which may set their own IDs
const uint64_t id = 0xE1EA0000U + (uint32_t)attrs.url;
kv_printf(tui->urlbuf, "\x1b]8;id=%" PRIu64 ";%s\x1b\\", id, url);
out(tui, tui->urlbuf.items, kv_size(tui->urlbuf));
} else {
out(tui, S_LEN("\x1b]8;;\x1b\\"));

8
test/functional/terminal/tui_spec.lua
View File

@@ -1968,9 +1968,9 @@ describe('TUI', function()
if not req then
return
end
local url = req:match('\027]8;;(.*)$')
if url ~= nil then
table.insert(_G.urls, url)
local id, url = req:match('\027]8;id=(%d+);(.*)$')
if id ~= nil and url ~= nil then
table.insert(_G.urls, { id = tonumber(id), url = url })
end
end,
})
@@ -1984,7 +1984,7 @@ describe('TUI', function()
})
]])
retry(nil, 1000, function()
eq({ 'https://example.com', '' }, exec_lua([[return _G.urls]]))
eq({ { id = 0xE1EA0000, url = 'https://example.com' } }, exec_lua([[return _G.urls]]))
end)
end)
end)