From e6ee00d4e76edac8cbcabe0f442a5ec34450d1f6 Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Fri, 23 Jun 2023 09:13:39 +0200
Subject: [PATCH] feat(config): allow custom window filters. Added
 non-focusable windows by default

---
 README.md            | 11 ++++++++++-
 lua/flash/cache.lua  |  9 +++++++--
 lua/flash/config.lua | 11 ++++++++++-
 3 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 967224d..9d88007 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,16 @@ Install the plugin with your preferred package manager:
     mode = "exact",
     -- behave like `incsearch`
     incremental = false,
-    filetype_exclude = { "notify", "noice" },
+    -- Excluded filetypes and custom window filters
+    ---@type (string|fun(win:window))[]
+    exclude = {
+      "notify",
+      "cmp_menu",
+      function(win)
+        -- exclude non-focusable windows
+        return not vim.api.nvim_win_get_config(win).focusable
+      end,
+    },
     -- Optional trigger character that needs to be typed before
     -- a jump label can be used. It's NOT recommended to set this,
     -- unless you know what you're doing
diff --git a/lua/flash/cache.lua b/lua/flash/cache.lua
index ff4a0df..a981c0c 100644
--- a/lua/flash/cache.lua
+++ b/lua/flash/cache.lua
@@ -101,8 +101,13 @@ function M:_update_wins()
   wins = vim.tbl_filter(function(w)
     local buf = vim.api.nvim_win_get_buf(w)
     local ft = vim.bo[buf].filetype
-    if ft and vim.tbl_contains(self.state.opts.search.filetype_exclude, ft) then
-      return false
+
+    for _, exclude in ipairs(self.state.opts.search.exclude) do
+      if type(exclude) == "string" and exclude == ft then
+        return false
+      elseif type(exclude) == "function" and exclude(w) then
+        return false
+      end
     end
     return w ~= self.state.win
   end, wins)
diff --git a/lua/flash/config.lua b/lua/flash/config.lua
index 4e7d75d..97ee1d7 100644
--- a/lua/flash/config.lua
+++ b/lua/flash/config.lua
@@ -28,7 +28,16 @@ local defaults = {
     mode = "exact",
     -- behave like `incsearch`
     incremental = false,
-    filetype_exclude = { "notify", "noice", "cmp_menu" },
+    -- Excluded filetypes and custom window filters
+    ---@type (string|fun(win:window))[]
+    exclude = {
+      "notify",
+      "cmp_menu",
+      function(win)
+        -- exclude non-focusable windows
+        return not vim.api.nvim_win_get_config(win).focusable
+      end,
+    },
     -- Optional trigger character that needs to be typed before
     -- a jump label can be used. It's NOT recommended to set this,
     -- unless you know what you're doing