From 4672cef3f5017989f85c318f5a2b98138f22176f Mon Sep 17 00:00:00 2001
From: Michal <michal.klebek@gmail.com>
Date: Wed, 26 Mar 2025 07:26:00 +0100
Subject: [PATCH] Add custom keymaps

---
 init.lua                    |   1 +
 lua/custom/core/keymaps.lua | 120 ++++++++++++++++++++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 lua/custom/core/keymaps.lua

diff --git a/init.lua b/init.lua
index 97d4ea05..948349ba 100644
--- a/init.lua
+++ b/init.lua
@@ -1,4 +1,5 @@
 require 'custom.core.options'
+require 'custom.core.keymaps'
 
 --[[
 
diff --git a/lua/custom/core/keymaps.lua b/lua/custom/core/keymaps.lua
new file mode 100644
index 00000000..e41892ad
--- /dev/null
+++ b/lua/custom/core/keymaps.lua
@@ -0,0 +1,120 @@
+-- Keymaps for better default experience
+
+-- Set leader key
+vim.g.mapleader = ' '
+vim.g.maplocalleader = ' '
+
+-- For conciseness
+local opts = { noremap = true, silent = true }
+
+-- Disable the spacebar key's default behavior in Normal and Visual modes
+vim.keymap.set({ 'n', 'v' }, '<Space>', '<Nop>', { silent = true })
+
+-- Allow moving the cursor through wrapped lines with j, k
+vim.keymap.set('n', 'k', "v:count == 0 ? 'gk' : 'k'", { expr = true, silent = true })
+vim.keymap.set('n', 'j', "v:count == 0 ? 'gj' : 'j'", { expr = true, silent = true })
+
+-- clear highlights
+vim.keymap.set('n', '<Esc>', ':noh<CR>', opts)
+
+-- save file
+vim.keymap.set('n', '<C-s>', '<cmd> w <CR>', opts)
+
+-- save file without auto-formatting
+vim.keymap.set('n', '<leader>sn', '<cmd>noautocmd w <CR>', opts)
+
+-- quit file
+vim.keymap.set('n', '<C-q>', '<cmd> q <CR>', opts)
+
+-- delete single character without copying into register
+vim.keymap.set('n', 'x', '"_x', opts)
+
+-- Vertical scroll and center
+vim.keymap.set('n', '<C-d>', '<C-d>zz', opts)
+vim.keymap.set('n', '<C-u>', '<C-u>zz', opts)
+
+-- Find and center
+vim.keymap.set('n', 'n', 'nzzzv')
+vim.keymap.set('n', 'N', 'Nzzzv')
+
+-- Resize with arrows
+vim.keymap.set('n', '<Up>', ':resize -2<CR>', opts)
+vim.keymap.set('n', '<Down>', ':resize +2<CR>', opts)
+vim.keymap.set('n', '<Left>', ':vertical resize -2<CR>', opts)
+vim.keymap.set('n', '<Right>', ':vertical resize +2<CR>', opts)
+
+-- Buffers
+vim.keymap.set('n', '<Tab>', ':bnext<CR>', opts)
+vim.keymap.set('n', '<S-Tab>', ':bprevious<CR>', opts)
+vim.keymap.set('n', '<leader>x', ':Bdelete!<CR>', opts) -- close buffer
+vim.keymap.set('n', '<leader>b', '<cmd> enew <CR>', opts) -- new buffer
+
+-- Increment/decrement numbers
+vim.keymap.set('n', '<leader>+', '<C-a>', opts) -- increment
+vim.keymap.set('n', '<leader>-', '<C-x>', opts) -- decrement
+
+-- Window management
+vim.keymap.set('n', '<leader>v', '<C-w>v', opts) -- split window vertically
+vim.keymap.set('n', '<leader>h', '<C-w>s', opts) -- split window horizontally
+vim.keymap.set('n', '<leader>se', '<C-w>=', opts) -- make split windows equal width & height
+vim.keymap.set('n', '<leader>xs', ':close<CR>', opts) -- close current split window
+
+-- Navigate between splits
+vim.keymap.set('n', '<C-k>', ':wincmd k<CR>', opts)
+vim.keymap.set('n', '<C-j>', ':wincmd j<CR>', opts)
+vim.keymap.set('n', '<C-h>', ':wincmd h<CR>', opts)
+vim.keymap.set('n', '<C-l>', ':wincmd l<CR>', opts)
+
+-- Tabs
+vim.keymap.set('n', '<leader>to', ':tabnew<CR>', opts) -- open new tab
+vim.keymap.set('n', '<leader>tx', ':tabclose<CR>', opts) -- close current tab
+vim.keymap.set('n', '<leader>tn', ':tabn<CR>', opts) --  go to next tab
+vim.keymap.set('n', '<leader>tp', ':tabp<CR>', opts) --  go to previous tab
+
+-- Toggle line wrapping
+vim.keymap.set('n', '<leader>lw', '<cmd>set wrap!<CR>', opts)
+
+-- Press jk fast to exit insert mode
+vim.keymap.set('i', 'jk', '<ESC>', opts)
+vim.keymap.set('i', 'kj', '<ESC>', opts)
+
+-- Stay in indent mode
+vim.keymap.set('v', '<', '<gv', opts)
+vim.keymap.set('v', '>', '>gv', opts)
+
+-- Move text up and down
+vim.keymap.set('v', '<A-j>', ':m .+1<CR>==', opts)
+vim.keymap.set('v', '<A-k>', ':m .-2<CR>==', opts)
+
+-- Keep last yanked when pasting
+vim.keymap.set('v', 'p', '"_dP', opts)
+
+-- Replace word under cursor
+vim.keymap.set('n', '<leader>j', '*``cgn', opts)
+
+-- Explicitly yank to system clipboard (highlighted and entire row)
+vim.keymap.set({ 'n', 'v' }, '<leader>y', [["+y]])
+vim.keymap.set('n', '<leader>Y', [["+Y]])
+
+-- Toggle diagnostics
+local diagnostics_active = true
+
+vim.keymap.set('n', '<leader>do', function()
+  diagnostics_active = not diagnostics_active
+
+  if diagnostics_active then
+    vim.diagnostic.enable(0)
+  else
+    vim.diagnostic.disable(0)
+  end
+end)
+
+-- Diagnostic keymaps
+vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, { desc = 'Go to previous diagnostic message' })
+vim.keymap.set('n', ']d', vim.diagnostic.goto_next, { desc = 'Go to next diagnostic message' })
+vim.keymap.set('n', '<leader>d', vim.diagnostic.open_float, { desc = 'Open floating diagnostic message' })
+vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostics list' })
+
+-- Save and load session
+vim.keymap.set('n', '<leader>ss', ':mksession! .session.vim<CR>', { noremap = true, silent = false })
+vim.keymap.set('n', '<leader>sl', ':source .session.vim<CR>', { noremap = true, silent = false })