From d37aff1b9960049be493d2d0ec215b8b9c2ea503 Mon Sep 17 00:00:00 2001
From: Igor <igorlfs@ufmg.br>
Date: Thu, 20 Mar 2025 23:35:18 -0300
Subject: [PATCH] Add tabusevisible switchbuf option

---
 doc/dap.txt         | 11 ++++++-----
 lua/dap/session.lua | 14 ++++++++++++++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/doc/dap.txt b/doc/dap.txt
index 813695f2..be2cc1f0 100644
--- a/doc/dap.txt
+++ b/doc/dap.txt
@@ -592,11 +592,12 @@ The configuration values are set via `dap.defaults.fallback` (for global) or
                        See |'switchbuf'|. Defaults to the global `'switchbuf'`
                        setting.
 
-                       nvim-dap provides an additional `usevisible` option
-                       that can be used to prevent jumps within the active
-                       window if a stopped event is within the visible region.
-                       Best used in combination with other options. For
-                       example: 'usevisible,usetab,uselast'
+                       nvim-dap provides an additional `usevisible`
+                       (`tabusevisible`) option that can be used to prevent
+                       jumps within the active window (tab) if a stopped event
+                       is within the visible region. Best used in combination
+                       with other options. For example:
+                       'usevisible,usetab,uselast'
 
 - `on_output`. A function with two parameters: `session` and `output_event`:
   Overrides the default output handling with a custom handler.
diff --git a/lua/dap/session.lua b/lua/dap/session.lua
index 687090f3..6e1a1cad 100644
--- a/lua/dap/session.lua
+++ b/lua/dap/session.lua
@@ -427,6 +427,7 @@ local function jump_to_location(bufnr, line, column, switchbuf, filetype)
   end
 
   local cur_win = api.nvim_get_current_win()
+  local cur_tab = api.nvim_win_get_tabpage(cur_win)
   local switchbuf_fn = {}
 
   function switchbuf_fn.uselast()
@@ -456,6 +457,19 @@ local function jump_to_location(bufnr, line, column, switchbuf, filetype)
     return false
   end
 
+  function switchbuf_fn.tabusevisible()
+    for _, win in ipairs(vim.api.nvim_tabpage_list_wins(cur_tab)) do
+      if api.nvim_win_get_buf(win) == bufnr then
+        local first = vim.fn.line("w0", win)
+        local last = vim.fn.line("w$", win)
+        if first <= line and line <= last then
+          return true
+        end
+      end
+    end
+    return false
+  end
+
   function switchbuf_fn.useopen()
     if api.nvim_win_get_buf(cur_win) == bufnr then
       set_cursor(cur_win, line, column)