fix(gx): move to to _init_default_mappings #24420

Problem:
netrw may conflict with the Nvim default "gx" mapping.

Solution:
Initialize keymapping earlier by moving it to vim._init_default_mappings().
That also avoids needing to check maparg().

1 files changed, 27 insertions, 0 deletions

diff --git a/runtime/lua/vim/_editor.lua b/runtime/lua/vim/_editor.lua
index 4372aef7b3..87f6d6581c 100644
--- a/runtime/lua/vim/_editor.lua
+++ b/runtime/lua/vim/_editor.lua
@@ -1048,6 +1048,33 @@ function vim._init_default_mappings()
   -- Use : instead of <Cmd> so that ranges are supported. #19365
   map('n', '&', ':&&<CR>')
 
+  -- gx
+
+  -- TODO: use vim.region() when it lands... #13896 #16843
+  local function get_visual_selection()
+    local save_a = vim.fn.getreginfo('a')
+    vim.cmd([[norm! "ay]])
+    local selection = vim.fn.getreg('a', 1)
+    vim.fn.setreg('a', save_a)
+    return selection
+  end
+
+  local function do_open(uri)
+    local _, err = vim.ui.open(uri)
+    if err then
+      vim.notify(err, vim.log.levels.ERROR)
+    end
+  end
+
+  local gx_desc =
+    'Opens filepath or URI under cursor with the system handler (file explorer, web browser, …)'
+  vim.keymap.set({ 'n' }, 'gx', function()
+    do_open(vim.fn.expand('<cfile>'))
+  end, { desc = gx_desc })
+  vim.keymap.set({ 'x' }, 'gx', function()
+    do_open(get_visual_selection())
+  end, { desc = gx_desc })
+
   -- menus
 
   -- TODO VimScript, no l10n