From d4126dc480a17d92eb4d4361a4e34349f7b0b2ea Mon Sep 17 00:00:00 2001
From: Martin Larsson <larssonmartin1998@gmail.com>
Date: Sun, 26 May 2024 23:10:44 +0200
Subject: [PATCH] Add a sticky terminal panel to the bottom, remove old
 terminal from lspsaga

---
 home/.config/nvim/init.lua              |  3 ++
 home/.config/nvim/lua/keymaps.lua       |  6 ---
 home/.config/nvim/lua/plugs/lspsaga.lua |  3 --
 home/.config/nvim/lua/terminal.lua      | 52 +++++++++++++++++++++++++
 home/.config/nvim/lua/utils.lua         |  4 ++
 5 files changed, 59 insertions(+), 9 deletions(-)
 create mode 100644 home/.config/nvim/lua/terminal.lua

diff --git a/home/.config/nvim/init.lua b/home/.config/nvim/init.lua
index 28999d7..fa5e6ce 100644
--- a/home/.config/nvim/init.lua
+++ b/home/.config/nvim/init.lua
@@ -28,5 +28,8 @@ require("lazy_init")
 -- Initialize plugins, add a plugin by creating a new file in the plugins dir
 require("lazy").setup("plugs")
 
+-- Initialize the sticky terminal window at the bottom
+require("terminal").setup()
+
 -- See ":help vim.highlight.on_yank()"
 setup_yank_highlight()
diff --git a/home/.config/nvim/lua/keymaps.lua b/home/.config/nvim/lua/keymaps.lua
index afa6d5d..db6a066 100644
--- a/home/.config/nvim/lua/keymaps.lua
+++ b/home/.config/nvim/lua/keymaps.lua
@@ -118,11 +118,5 @@ require("utils").add_keymaps({
         ["<C-x>"] = {
             cmd = "<C-\\><C-N>",
         },
-        ["<Esc>"] = {
-            cmd = function()
-                local win = vim.api.nvim_get_current_win()
-                vim.api.nvim_win_close(win, true)
-            end,
-        }
     },
 })
diff --git a/home/.config/nvim/lua/plugs/lspsaga.lua b/home/.config/nvim/lua/plugs/lspsaga.lua
index 56a04d0..078450e 100644
--- a/home/.config/nvim/lua/plugs/lspsaga.lua
+++ b/home/.config/nvim/lua/plugs/lspsaga.lua
@@ -46,9 +46,6 @@ return {
                 ["<leader>rn"] = {
                     cmd = ":Lspsaga rename<CR>"
                 },
-                ["<leader>h"] = {
-                    cmd = ":Lspsaga term_toggle<CR>"
-                },
                 ["gr"] = {
                     cmd = ":Lspsaga finder<CR>"
                 },
diff --git a/home/.config/nvim/lua/terminal.lua b/home/.config/nvim/lua/terminal.lua
new file mode 100644
index 0000000..deb338b
--- /dev/null
+++ b/home/.config/nvim/lua/terminal.lua
@@ -0,0 +1,52 @@
+local utils = require("utils")
+
+local M = {}
+
+local terminal_window = nil
+local terminal_bufnr = nil
+
+local function open_terminal_window()
+    if terminal_bufnr and vim.api.nvim_buf_is_valid(terminal_bufnr) and utils.is_buf_buftype(terminal_bufnr, "terminal") then
+        vim.cmd("botright split")
+        terminal_window = vim.api.nvim_get_current_win()
+        vim.api.nvim_win_set_buf(terminal_window, terminal_bufnr)
+    else
+        vim.cmd("botright split term://zsh")
+        terminal_window = vim.api.nvim_get_current_win()
+        terminal_bufnr = vim.api.nvim_get_current_buf()
+    end
+end
+
+local function toggle_terminal()
+    if terminal_window and vim.api.nvim_win_is_valid(terminal_window) then
+        vim.api.nvim_win_close(terminal_window, true)
+        terminal_window = nil
+        return
+    end
+
+    open_terminal_window()
+
+    local term_height = vim.api.nvim_get_option("lines")
+    local height_percentage = 0.225
+    local min_height = 15
+    local max_height = 25
+    local height = utils.calculate_split_size(term_height, height_percentage, min_height, max_height)
+
+    vim.api.nvim_win_set_height(terminal_window, height)
+    vim.api.nvim_win_set_option(terminal_window, "winfixheight", true)
+    vim.api.nvim_win_set_option(terminal_window, "winhighlight", "Normal:Utility,FloatBorder:Utility")
+    utils.lock_buf_to_window(terminal_window, terminal_bufnr, "terminal")
+    vim.api.nvim_command("startinsert")
+end
+
+function M.setup()
+    utils.add_keymaps({
+        n = {
+            ["<leader>h"] = {
+                cmd = toggle_terminal
+            }
+        }
+    })
+end
+
+return M
diff --git a/home/.config/nvim/lua/utils.lua b/home/.config/nvim/lua/utils.lua
index 901a41a..0860db5 100644
--- a/home/.config/nvim/lua/utils.lua
+++ b/home/.config/nvim/lua/utils.lua
@@ -12,6 +12,10 @@ function M.is_buf_filetype(bufnr, filetype)
     return vim.api.nvim_buf_get_option(bufnr, "filetype") == filetype
 end
 
+function M.is_buf_buftype(bufnr, filetype)
+    return vim.api.nvim_buf_get_option(bufnr, "buftype") == filetype
+end
+
 function M.lock_buf_to_window(win_id, bufnr, filetype)
     local augroup_id = vim.api.nvim_create_augroup("LockWindow" .. win_id, { clear = true })