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dotfiles/nvim/lua/config/keymaps.lua
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2026-07-19 20:39:54 +08:00

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-- =============================================================================
-- keymaps.lua — 基础键位映射
-- =============================================================================
local keymap = vim.keymap.set
-- Leader 键
vim.g.mapleader = " "
vim.g.maplocalleader = " "
-- 编辑器操作
keymap("n", "<leader>w", "<cmd>w<cr>", { desc = "保存" })
-- 关闭当前 buffer / 窗口(VSCode 风格)
keymap("n", "<leader>q", function()
local bt = vim.bo.buftype
local ft = vim.bo.filetype
-- 统计文件 buffer 数量
local file_bufs = 0
for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
if vim.api.nvim_buf_is_loaded(bufnr) then
local b = vim.bo[bufnr]
if b.buftype == "" and b.filetype ~= "" and b.filetype ~= "NvimTree" and b.filetype ~= "dashboard" then
file_bufs = file_bufs + 1
end
end
end
-- dashboard:无文件直接退出
if ft == "dashboard" then
vim.cmd("qa")
return
end
-- nvim-tree:有文件关闭树,无文件退出
if ft == "NvimTree" then
if file_bufs == 0 then
vim.cmd("qa")
else
vim.cmd("NvimTreeClose")
end
return
end
-- quickfixcclose
if bt == "quickfix" then
vim.cmd("cclose")
return
end
-- 其他特殊 buffer:关闭窗口(失败则退出)
if bt ~= "" then
local ok = pcall(vim.cmd, "close")
if not ok then
vim.cmd("qa")
end
return
end
-- 普通文件:根据数量决定退出或关闭
if file_bufs <= 1 then
vim.cmd("qa")
else
vim.cmd("Bdelete")
end
end, { desc = "关闭当前 buffer/窗口" })
keymap("n", "<leader>/", "<cmd>noh<cr>", { desc = "清除搜索高亮" })
-- 窗口导航
keymap("n", "<C-h>", "<C-w>h", { desc = "跳到左边窗口" })
keymap("n", "<C-j>", "<C-w>j", { desc = "跳到下面窗口" })
keymap("n", "<C-k>", "<C-w>k", { desc = "跳到上面窗口" })
keymap("n", "<C-l>", "<C-w>l", { desc = "跳到右边窗口" })
-- 窗口操作
keymap("n", "<leader>sv", "<cmd>vsplit<cr>", { desc = "垂直分屏" })
keymap("n", "<leader>sh", "<cmd>split<cr>", { desc = "水平分屏" })
keymap("n", "<leader>sc", "<cmd>close<cr>", { desc = "关闭窗口" })
-- Buffer 导航
keymap("n", "<S-h>", "<cmd>bprevious<cr>", { desc = "下一个 buffer" })
keymap("n", "<S-l>", "<cmd>bnext<cr>", { desc = "上一个 buffer" })
-- Buffer 操作
keymap("n", "<leader>bc", "<cmd>Bdelete<cr>", { desc = "关闭当前 buffer" })
keymap("n", "<leader>bs", "<cmd>wall<cr>", { desc = "保存全部" })
keymap("n", "<leader>bo", function()
local current = vim.api.nvim_get_current_buf()
local special_ft = { NvimTree = true, dashboard = true, [""] = true }
-- 检查是否有未保存的文件 buffer
local unsaved = {}
for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
if vim.api.nvim_buf_is_loaded(bufnr) then
local ft = vim.bo[bufnr].filetype
local bt = vim.bo[bufnr].buftype
-- 只统计普通文件 buffer
if bt == "" and not special_ft[ft] and bufnr ~= current then
if vim.bo[bufnr].modified then
table.insert(unsaved, bufnr)
end
end
end
end
local function close_others(force)
for _, bufnr in ipairs(vim.api.nvim_list_bufs()) do
if vim.api.nvim_buf_is_loaded(bufnr) and bufnr ~= current then
local ft = vim.bo[bufnr].filetype
local bt = vim.bo[bufnr].buftype
-- 只关闭普通文件 buffer,保留 nvim-tree/dashboard 等
if bt == "" and not special_ft[ft] then
vim.api.nvim_buf_delete(bufnr, { force = force })
end
end
end
end
if #unsaved > 0 then
vim.ui.select({ "保存全部", "强制关闭(不保存)", "取消" }, { prompt = "有 " .. #unsaved .. " 个未保存的 buffer" }, function(choice)
if not choice then return end
if choice == "保存全部" then
for _, bufnr in ipairs(unsaved) do
vim.api.nvim_buf_call(bufnr, function()
vim.cmd("write")
end)
end
close_others(false)
elseif choice == "强制关闭(不保存)" then
close_others(true)
end
end)
else
close_others(false)
end
end, { desc = "关闭其他 buffer" })
-- 文件树
keymap("n", "<leader>e", "<cmd>NvimTreeToggle<cr>", { desc = "文件树" })
-- 终端
keymap("n", "<c-`>", "<cmd>ToggleTerm<cr>", { desc = "终端" })
keymap("t", "<c-`>", "<cmd>ToggleTerm<cr>", { desc = "终端" })