1 files changed, 44 insertions, 0 deletions
diff --git a/mut/neovim/pack/plugins/start/quicker.nvim/lua/quicker/cursor.lua b/mut/neovim/pack/plugins/start/quicker.nvim/lua/quicker/cursor.lua
new file mode 100644
index 0000000..58ee587
--- /dev/null
+++ b/mut/neovim/pack/plugins/start/quicker.nvim/lua/quicker/cursor.lua
@@ -0,0 +1,44 @@
+local M = {}
+
+local function constrain_cursor()
+  local display = require("quicker.display")
+  local cur = vim.api.nvim_win_get_cursor(0)
+  local line = vim.api.nvim_buf_get_lines(0, cur[1] - 1, cur[1], true)[1]
+  local idx = line:find(display.EM_QUAD, 1, true)
+  if not idx then
+    return
+  end
+  local min_col = idx + display.EM_QUAD_LEN - 1
+  if cur[2] < min_col then
+    vim.api.nvim_win_set_cursor(0, { cur[1], min_col })
+  end
+end
+
+---@param bufnr number
+function M.constrain_cursor(bufnr)
+  -- HACK: we have to defer this call because sometimes the autocmds don't take effect.
+  vim.schedule(function()
+    if not vim.api.nvim_buf_is_valid(bufnr) then
+      return
+    end
+    local aug = vim.api.nvim_create_augroup("quicker", { clear = false })
+    vim.api.nvim_create_autocmd("InsertEnter", {
+      desc = "Constrain quickfix cursor position",
+      group = aug,
+      nested = true,
+      buffer = bufnr,
+      -- For some reason the cursor bounces back to its original position,
+      -- so we have to defer the call
+      callback = vim.schedule_wrap(constrain_cursor),
+    })
+    vim.api.nvim_create_autocmd({ "CursorMoved", "ModeChanged" }, {
+      desc = "Constrain quickfix cursor position",
+      nested = true,
+      group = aug,
+      buffer = bufnr,
+      callback = constrain_cursor,
+    })
+  end)
+end
+
+return M