feat(config): added custom keymaps

init.lua

@@ -1,2 +1,3 @@
 require("config.lazy")
 require("config.opts")
+require("config.keys")

lua/config/keys.lua

@@ -0,0 +1,132 @@
+
+local keymaps = {
+    --
+    -- Write buffer to disk
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-s>',
+        cmd  = vim.cmd.write,
+        desc = "Write buffer to disk"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-z>',
+        cmd  = vim.cmd.undo,
+        desc = "Undo last edit"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-y>',
+        cmd  = vim.cmd.redo,
+        desc = "Redo last edit that was undone"
+    },
+    --
+    -- Shift line(s) by one shiftwidth
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<S-tab>',
+        cmd  = '<cmd>:<<cr>',
+        desc = "Shift cursor line left"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<tab>',
+        cmd  = '<cmd>:><cr>',
+        desc = "Shift cursor line right"
+    },
+    {
+        mode = { 'v' },
+        keys = '<tab>',
+        cmd  = '>gv',
+        desc = "Shift selection in visual mode right"
+    },
+    {
+        mode = { 'v' },
+        keys = '<S-tab>',
+        cmd  = '<gv',
+        desc = "Shift selection in visual right"
+    },
+    --
+    -- Buffer management
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-t>',
+        cmd  = '<cmd>:enew<cr>',
+        desc = "Edit new, unnamed buffer"
+    },
+    --
+    -- Window controls
+    -- ..............................................
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-w>v',
+        cmd  = '<cmd>:vsplit<cr>',
+        desc = "Split window vertically"
+    },
+    {
+        mode = { 'n', 'i' },
+        keys = '<C-w>h',
+        cmd  = '<cmd>:split<cr>',
+        desc = "Split window horizontally"
+    },
+    {
+        mode = { 'n' },
+        keys = 'q',
+        cmd  = function()
+            -- list of file types to ignore when counting split buffers
+            local ignore = { "neo-tree" }
+            -- number of windows per tab
+            local wins = vim.api.nvim_tabpage_list_wins(0)
+            -- count of open windows without those on ignore list
+            local count = 0
+
+            -- check each window for its type
+            for _, win in ipairs(wins) do
+                local buf = vim.api.nvim_win_get_buf(win)
+                local buf_type = vim.api.nvim_buf_get_option(buf, 'buftype')
+                local file_type = vim.api.nvim_buf_get_option(buf, 'filetype')
+
+                if buf_type == '' then
+
+                    -- check if buffer is in ignore
+                    in_ignore = false
+                    for _, v in ipairs(ignore) do
+                        if v == file_type then
+                            in_ignore = true
+                            break
+                        end
+                    end
+
+                    if not in_ignore then
+                        count = count + 1
+                    end
+                end
+            end
+
+            if count == 1 then
+                -- only one buffer without any split
+                -- account for barbar specific behavior
+                vim.cmd('BufferClose')
+            else
+                -- close window
+                vim.cmd('q')
+            end
+        end,
+        desc = "Close buffer"
+    }
+
+}
+
+for _, keymap in pairs(keymaps) do
+    local mode = keymap.mode
+    local lhs = keymap.keys
+    local rhs = keymap.cmd
+    local opts = {
+        desc = keymap.desc,
+        noremap = keymap.noremap
+    }
+    vim.keymap.set(mode, lhs, rhs, opts)
+end