diff --git a/lua/zterm-navigator/init.lua b/lua/zterm-navigator/init.lua index a19700c..602b4d8 100644 --- a/lua/zterm-navigator/init.lua +++ b/lua/zterm-navigator/init.lua @@ -145,11 +145,36 @@ function M.test_statusline() send_to_tty("\027]51;statusline;\027[38;2;255;100;0mNeovim Test\027[0m\007") end +-- Base64 encoding table +local b64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' + +-- Encode a string to base64 +local function base64_encode(data) + return ((data:gsub('.', function(x) + local r, b = '', x:byte() + for i = 8, 1, -1 do r = r .. (b % 2 ^ i - b % 2 ^ (i - 1) > 0 and '1' or '0') end + return r + end) .. '0000'):gsub('%d%d%d?%d?%d?%d?', function(x) + if #x < 6 then return '' end + local c = 0 + for i = 1, 6 do c = c + (x:sub(i, i) == '1' and 2 ^ (6 - i) or 0) end + return b64chars:sub(c + 1, c + 1) + end) .. ({ '', '==', '=' })[#data % 3 + 1]) +end + -- Send statusline content to ZTerm via OSC 51 +-- Content is base64-encoded to avoid escape sequence interpretation issues local function send_statusline(content) - -- OSC 51;statusline; ST - local osc = string.format("\027]51;statusline;%s\007", content or "") - send_to_tty(osc) + if content and content ~= "" then + -- Base64 encode to avoid neovim interpreting escape sequences + local encoded = base64_encode(content) + local osc = string.format("\027]51;statusline;b64:%s\007", encoded) + send_to_tty(osc) + else + -- Empty statusline to clear + local osc = "\027]51;statusline;\007" + send_to_tty(osc) + end end -- Clear the ZTerm statusline (restore default)