Add SCOPE_ACTIVE hook

doc/indent_blankline.txt

@@ -504,6 +504,7 @@ hooks.type                                                    *ibl.hooks.type*
 
  Variants: ~
    • {ACTIVE}
+   • {SCOPE_ACTIVE}
    • {SKIP_LINE}
    • {WHITESPACE}
    • {VIRTUAL_TEXT}
@@ -531,6 +532,20 @@ hooks.cb.active({bufnr})                               *ibl.hooks.cb.active()*
    (boolean)
 
 
+hooks.cb.scope_active({bufnr})                    *ibl.hooks.cb.scope_active()*
+
+ Callback function for the |ibl.hooks.type|.SCOPE_ACTIVE hook.
+
+ Gets called before refreshing indent-blankline for a buffer.
+ If the callback returns false, |ibl.config.scope| will be disabled.
+
+ Parameters: ~
+   • {bufnr}  (number) Buffer number
+
+ Return: ~
+   (boolean)
+
+
 hooks.cb.skip_line({tick}, {bufnr}, {row}, {line})  *ibl.hooks.cb.skip_line()*
 
  Callback function for the |ibl.hooks.type|.SKIP_LINE hook.

lua/ibl/hooks.lua

@@ -6,6 +6,7 @@ local M = {}
 ---@enum ibl.hooks.type
 M.type = {
     ACTIVE = "ACTIVE",
+    SCOPE_ACTIVE = "SCOPE_ACTIVE",
     SKIP_LINE = "SKIP_LINE",
     WHITESPACE = "WHITESPACE",
     VIRTUAL_TEXT = "VIRTUAL_TEXT",
@@ -21,6 +22,7 @@ local default_opts = {
 
 local hooks = {
     [M.type.ACTIVE] = {},
+    [M.type.SCOPE_ACTIVE] = {},
     [M.type.SKIP_LINE] = {},
     [M.type.WHITESPACE] = {},
     [M.type.VIRTUAL_TEXT] = {},
@@ -31,6 +33,7 @@ local hooks = {
 local count = 0
 
 ---@alias ibl.hooks.cb.active fun(bufnr: number): boolean
+---@alias ibl.hooks.cb.scope_active fun(bufnr: number): boolean
 ---@alias ibl.hooks.cb.skip_line fun(tick: number, bufnr: number, row: number, line: string): boolean
 ---@alias ibl.hooks.cb.whitespace fun(tick: number, bufnr: number, row: number, whitespace: ibl.indent.whitespace[]): ibl.indent.whitespace[]
 ---@alias ibl.hooks.cb.virtual_text fun(tick: number, bufnr: number, row: number, virt_text: ibl.virtual_text): ibl.virtual_text
@@ -44,6 +47,7 @@ local count = 0
 ---@param cb function
 ---@param opts ibl.hooks.options
 ---@overload fun(type: 'ACTIVE', cb: ibl.hooks.cb.active, opts: ibl.hooks.options?): string
+---@overload fun(type: 'SCOPE_ACTIVE', cb: ibl.hooks.cb.scope_active, opts: ibl.hooks.options?): string
 ---@overload fun(type: 'SKIP_LINE', cb: ibl.hooks.cb.skip_line, opts: ibl.hooks.options?): string
 ---@overload fun(type: 'WHITESPACE', cb: ibl.hooks.cb.whitespace, opts: ibl.hooks.options?): string
 ---@overload fun(type: 'VIRTUAL_TEXT', cb: ibl.hooks.cb.virtual_text, opts: ibl.hooks.options?): string
@@ -76,6 +80,7 @@ M.register = function(type, cb, opts)
         if not hooks.buffer_scoped[bufnr] then
             hooks.buffer_scoped[bufnr] = {
                 [M.type.ACTIVE] = {},
+                [M.type.SCOPE_ACTIVE] = {},
                 [M.type.SKIP_LINE] = {},
                 [M.type.WHITESPACE] = {},
                 [M.type.VIRTUAL_TEXT] = {},
@@ -108,6 +113,7 @@ end
 M.clear_all = function()
     hooks = {
         [M.type.ACTIVE] = {},
+        [M.type.SCOPE_ACTIVE] = {},
         [M.type.SKIP_LINE] = {},
         [M.type.WHITESPACE] = {},
         [M.type.VIRTUAL_TEXT] = {},
@@ -122,6 +128,7 @@ end
 ---@param bufnr number
 ---@param type ibl.hooks.type
 ---@overload fun(bufnr: number, type: 'ACTIVE'): ibl.hooks.cb.active[]
+---@overload fun(bufnr: number, type: 'SCOPE_ACTIVE'): ibl.hooks.cb.scope_active[]
 ---@overload fun(bufnr: number, type: 'SKIP_LINE'): ibl.hooks.cb.skip_line[]
 ---@overload fun(bufnr: number, type: 'WHITESPACE'): ibl.hooks.cb.whitespace[]
 ---@overload fun(bufnr: number, type: 'VIRTUAL_TEXT'): ibl.hooks.cb.virtual_text[]

lua/ibl/init.lua

@@ -176,8 +176,19 @@ M.refresh = function(bufnr)
     end
 
     local offset = math.max(top_offset - 1 - config.viewport_buffer.min, 0)
+
+    local scope_disabled = false
+    for _, fn in
+        pairs(hooks.get(bufnr, hooks.type.SCOPE_ACTIVE) --[[ @as ibl.hooks.cb.scope_active[] ]])
+    do
+        if not fn(bufnr) then
+            scope_disabled = true
+            break
+        end
+    end
+
     local scope
-    if config.scope.enabled and is_current_buffer then
+    if not scope_disabled and config.scope.enabled then
         scope = scp.get(bufnr, config)
         if scope and scope:start() >= 0 then
             offset = top_offset - math.min(top_offset - math.min(offset, scope:start()), config.viewport_buffer.max)

lua/ibl/inlay_hints.lua

@@ -42,7 +42,9 @@ M.setup = function()
         handler = vim.lsp.handlers["textDocument/inlayHint"]
 
         vim.lsp.handlers["textDocument/inlayHint"] = function(err, result, ctx, conf)
-            handler(err, result, ctx, conf)
+            if handler then
+                handler(err, result, ctx, conf)
+            end
             require("ibl").debounced_refresh(ctx.bufnr)
         end
     end

lua/ibl/scope.lua

@@ -2,9 +2,10 @@ local utils = require "ibl.utils"
 local scope_lang = require "ibl.scope_languages"
 local M = {}
 
+---@param win number
 ---@return table<number, number>
-M.get_cursor_range = function()
-    local pos = vim.api.nvim_win_get_cursor(0)
+M.get_cursor_range = function(win)
+    local pos = vim.api.nvim_win_get_cursor(win)
     local row, col = pos[1] - 1, pos[2]
     return { row, 0, row, col }
 end
@@ -40,7 +41,18 @@ M.get = function(bufnr, config)
         return nil
     end
 
-    local range = M.get_cursor_range()
+    local win
+    if bufnr ~= vim.api.nvim_get_current_buf() then
+        local win_list = vim.fn.win_findbuf(bufnr)
+        win = win_list and win_list[1]
+        if not win then
+            return nil
+        end
+    else
+        win = 0
+    end
+
+    local range = M.get_cursor_range(win)
     lang_tree = M.language_for_range(lang_tree, range, config)
     if not lang_tree then
         return nil