From 45ffc1a03cc9806d5aaa854ff2594a851072834a Mon Sep 17 00:00:00 2001
From: psychhim <psy32ndpromo@disroot.org>
Date: Wed, 15 Oct 2025 20:33:56 +0530
Subject: [PATCH] Add: Open alpha window on every new tab.

---
 lua/keymaps.lua                  |  5 +++--
 lua/plugins/custom/filetree.lua  | 26 +++++++++++++++++++----
 lua/plugins/custom/telescope.lua | 36 +++++++++++++++++++++-----------
 3 files changed, 49 insertions(+), 18 deletions(-)

diff --git a/lua/keymaps.lua b/lua/keymaps.lua
index 1f4d5da..1726c46 100644
--- a/lua/keymaps.lua
+++ b/lua/keymaps.lua
@@ -113,11 +113,12 @@ vim.keymap.set('n', '<leader>tv', '<Cmd>split | wincmd j | terminal<CR>i', { nor
 -- In a horizontal split (right side)
 vim.keymap.set('n', '<leader>th', '<Cmd>vsplit | wincmd l | terminal<CR>i', { noremap = true, silent = true, desc = 'Open terminal in vertical split' })
 
--- [[ Create an empty buffer in a new tab ]]
+-- [[ Create an empty buffer in a new tab and open Alpha ]]
 vim.keymap.set('n', '<Leader>e', function()
 	vim.cmd 'tabnew' -- create a new tab
 	vim.cmd 'enew' -- create a new empty buffer in it
-end, { noremap = true, silent = true, desc = 'Create an empty buffer' })
+	require('alpha').start(true) -- open Alpha dashboard in this new tab
+end, { noremap = true, silent = true, desc = 'Create a new tab' })
 
 -- [[ Horizontal split with new empty buffer below ]]
 vim.keymap.set('n', '<leader>sv', function()
diff --git a/lua/plugins/custom/filetree.lua b/lua/plugins/custom/filetree.lua
index d640709..3a5f3dd 100644
--- a/lua/plugins/custom/filetree.lua
+++ b/lua/plugins/custom/filetree.lua
@@ -134,14 +134,32 @@ return {
 						local bufname = vim.api.nvim_buf_get_name(buf)
 						local buftype = vim.api.nvim_buf_get_option(buf, 'buftype')
 						local modified = vim.api.nvim_buf_get_option(buf, 'modified')
-						-- PATCH: Treat Alpha dashboard as empty
+						-- PATCH: Treat Alpha dashboard as empty buffer and restore normal options
 						if is_alpha_buffer(buf) or (bufname == '' and buftype == '' and not modified) then
-							empty_buf = buf
 							vim.api.nvim_set_current_win(win)
+							-- Clear Alpha buffer if it's Alpha
 							if is_alpha_buffer(buf) then
-								vim.api.nvim_buf_delete(buf, { force = true })
+								vim.api.nvim_buf_set_option(buf, 'modifiable', true)
+								vim.api.nvim_buf_set_lines(buf, 0, -1, false, {}) -- clear contents
+								vim.api.nvim_buf_set_option(buf, 'buftype', '')
+								vim.api.nvim_buf_set_option(buf, 'modified', false)
+							end
+							-- Open the file in this window
+							vim.cmd('edit! ' .. vim.fn.fnameescape(path)) -- force edit
+							-- Restore normal buffer/window options
+							local normal_win_opts = {
+								number = true, -- enable line numbers
+								relativenumber = true, -- enable relative line numbers
+								signcolumn = 'yes', -- show sign column
+								cursorline = false, -- no cursorline by default
+								foldenable = true, -- enable folds
+								wrap = false, -- no line wrap
+								spell = false, -- disable spell
+							}
+							local win = vim.api.nvim_get_current_win()
+							for opt, val in pairs(normal_win_opts) do
+								vim.api.nvim_win_set_option(win, opt, val)
 							end
-							vim.cmd('edit ' .. vim.fn.fnameescape(path))
 							return
 						end
 					end
diff --git a/lua/plugins/custom/telescope.lua b/lua/plugins/custom/telescope.lua
index ee5c296..ecd7776 100644
--- a/lua/plugins/custom/telescope.lua
+++ b/lua/plugins/custom/telescope.lua
@@ -56,12 +56,6 @@ return {
 		local actions = require 'telescope.actions'
 		local action_state = require 'telescope.actions.state'
 
-		-- Helper function to detect Alpha dashboard buffer
-		local function is_alpha_buffer(buf)
-			local ft = vim.api.nvim_buf_get_option(buf, 'filetype')
-			return ft == 'alpha'
-		end
-
 		local function smart_open(prompt_bufnr)
 			local entry = action_state.get_selected_entry()
 			if not entry then
@@ -93,16 +87,34 @@ return {
 				local name = vim.api.nvim_buf_get_name(buf)
 				local buftype = vim.api.nvim_buf_get_option(buf, 'buftype')
 				local modified = vim.api.nvim_buf_get_option(buf, 'modified')
+				local ft = vim.api.nvim_buf_get_option(buf, 'filetype')
 				-- PATCH: also treat Alpha dashboard buffer as empty
-				if (name == '' and buftype == '' and not modified) or is_alpha_buffer(buf) then
+				if (name == '' and buftype == '' and not modified) or ft == 'alpha' then
 					vim.api.nvim_set_current_win(win)
-					-- DELETE Alpha buffer if it's in this window
-					if is_alpha_buffer(buf) then
-						vim.api.nvim_buf_delete(buf, { force = true })
+					-- DELETE Alpha buffer contents if it's Alpha
+					if ft == 'alpha' then
+						vim.api.nvim_buf_set_option(buf, 'modifiable', true)
+						vim.api.nvim_buf_set_lines(buf, 0, -1, false, {}) -- clear contents
+						vim.api.nvim_buf_set_option(buf, 'buftype', '')
+						vim.api.nvim_buf_set_option(buf, 'modified', false)
 					end
 					-- Now open the file in this window
-					vim.cmd('edit ' .. vim.fn.fnameescape(path))
-					-- Stop further processing
+					vim.cmd('edit! ' .. vim.fn.fnameescape(path)) -- note the !
+
+					-- Restore normal buffer/window options after opening a file
+					local normal_win_opts = {
+						number = true, -- enable line numbers
+						relativenumber = true, -- enable relative line numbers
+						signcolumn = 'yes', -- show sign column
+						cursorline = false, -- no cursorline by default
+						foldenable = true, -- enable folds
+						wrap = false, -- no line wrap
+						spell = false, -- disable spell
+					}
+					local win = vim.api.nvim_get_current_win()
+					for opt, val in pairs(normal_win_opts) do
+						vim.api.nvim_win_set_option(win, opt, val)
+					end
 					return
 				end
 			end