semi ok

2026-06-03 05:23:07 +02:00
commit a67da8c917
102 changed files with 9238 additions and 0 deletions
@@ -0,0 +1,110 @@
+-- Minimal sticky context header. Replaces nvim-treesitter-context.
+-- Shows the first line of the enclosing function/class pinned to the
+-- top of the window when that line has scrolled offscreen above.
+--
+-- One level of context only (innermost enclosing). Extend CONTEXT_TYPES
+-- to support more languages or richer node kinds.
+--
+-- Toggle:
+--   <leader>th  hide
+--   <leader>tu  unhide
+
+local M = { enabled = true }
+local ctx_buf, ctx_win
+
+local CONTEXT_TYPES = {
+    -- C / PHP
+    function_definition = true,
+    method_declaration = true,
+    class_declaration = true,
+    -- Lua
+    function_declaration = true,
+    -- Rust
+    function_item = true,
+    impl_item = true,
+    trait_item = true,
+    -- Go (function_declaration shared)
+    -- JS
+    method_definition = true,
+    arrow_function = true,
+    -- Zig
+    fn_proto = true,
+    -- Nix
+    function_expression = true,
+}
+
+local function close_ctx()
+    if ctx_win and vim.api.nvim_win_is_valid(ctx_win) then
+        vim.api.nvim_win_close(ctx_win, true)
+    end
+    ctx_win = nil
+end
+
+local function update_ctx()
+    if not M.enabled then close_ctx() return end
+
+    local bufnr = vim.api.nvim_get_current_buf()
+    local node = vim.treesitter.get_node()
+    if not node then close_ctx() return end
+
+    while node and not CONTEXT_TYPES[node:type()] do
+        node = node:parent()
+    end
+    if not node then close_ctx() return end
+
+    local sr = node:start()
+    local top_visible = vim.fn.line("w0") - 1
+    if sr >= top_visible then close_ctx() return end
+
+    local lines = vim.api.nvim_buf_get_lines(bufnr, sr, sr + 1, false)
+    if #lines == 0 then close_ctx() return end
+
+    if not ctx_buf or not vim.api.nvim_buf_is_valid(ctx_buf) then
+        ctx_buf = vim.api.nvim_create_buf(false, true)
+        vim.bo[ctx_buf].buftype = "nofile"
+    end
+    vim.api.nvim_buf_set_lines(ctx_buf, 0, -1, false, lines)
+    vim.bo[ctx_buf].filetype = vim.bo[bufnr].filetype
+
+    local config = {
+        relative = "win",
+        win = vim.api.nvim_get_current_win(),
+        row = 0,
+        col = 0,
+        width = vim.api.nvim_win_get_width(0),
+        height = 1,
+        focusable = false,
+        style = "minimal",
+        zindex = 20,
+    }
+    if ctx_win and vim.api.nvim_win_is_valid(ctx_win) then
+        vim.api.nvim_win_set_config(ctx_win, config)
+    else
+        ctx_win = vim.api.nvim_open_win(ctx_buf, false, config)
+        vim.wo[ctx_win].winhighlight = "Normal:TonyContext,NormalFloat:TonyContext"
+    end
+end
+
+vim.api.nvim_set_hl(0, "TonyContext", { link = "NormalFloat", default = true })
+
+local group = vim.api.nvim_create_augroup("TonyContext", { clear = true })
+vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI", "WinScrolled", "BufEnter" }, {
+    group = group,
+    callback = update_ctx,
+})
+vim.api.nvim_create_autocmd({ "BufLeave", "WinLeave" }, {
+    group = group,
+    callback = close_ctx,
+})
+
+vim.keymap.set("n", "<leader>th", function()
+    M.enabled = false
+    close_ctx()
+end, { desc = "Hide context header" })
+
+vim.keymap.set("n", "<leader>tu", function()
+    M.enabled = true
+    update_ctx()
+end, { desc = "Unhide context header" })
+
+return M