Fix: ascii_art changed when switching to old tabs

init.lua

@@ -388,28 +388,8 @@ require 'buffer_deleted'
 -- [[ Pastebin ]]
 require('pastebin').setup()
 
--- [[ Autocmd to refresh Alpha when switching to a tab with Alpha buffer ]]
-vim.api.nvim_create_autocmd('TabEnter', {
-	pattern = '*',
-	callback = function()
-		if just_created_tab then
-			just_created_tab = false
-			return
-		end
-		local buf = vim.api.nvim_get_current_buf()
-		local buftype = vim.api.nvim_buf_get_option(buf, 'filetype')
-		if buftype == 'alpha' then
-			vim.schedule(function()
-				local alpha_loaded, alpha = pcall(require, 'alpha')
-				if not alpha_loaded then
-					return
-				end
-				vim.cmd 'enew'
-				alpha.start(true)
-			end)
-		end
-	end,
-})
+-- [[ Refresh Alpha when switching to a tab to replace breakage ]]
+require 'alpha_fix'
 
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et

lua/alpha_fix.lua

@@ -0,0 +1,75 @@
+-- Manages Alpha refresh when switching and preserves ASCII art
+
+_G.alpha_tab_ascii = {}
+
+local last_tab_count = #vim.api.nvim_list_tabpages()
+
+-- Save ASCII art
+vim.api.nvim_create_autocmd('TabLeave', {
+	pattern = '*',
+	callback = function()
+		local buf = vim.api.nvim_get_current_buf()
+		local buftype = vim.api.nvim_buf_get_option(buf, 'filetype')
+		if buftype == 'alpha' then
+			local dashboard_loaded, dashboard = pcall(require, 'alpha.themes.dashboard')
+			if dashboard_loaded then
+				local tab = vim.api.nvim_get_current_tabpage()
+				-- Save the current ASCII for this tab
+				_G.alpha_tab_ascii[tab] = vim.deepcopy(dashboard.section.header.val)
+			end
+		end
+	end,
+})
+
+-- Refresh Alpha when switching to a tab with Alpha buffer
+vim.api.nvim_create_autocmd('TabEnter', {
+	pattern = '*',
+	callback = function()
+		local current_tab_count = #vim.api.nvim_list_tabpages()
+
+		if current_tab_count > last_tab_count then
+			last_tab_count = current_tab_count
+			return
+		end
+
+		last_tab_count = current_tab_count
+
+		local buf = vim.api.nvim_get_current_buf()
+		local buftype = vim.api.nvim_buf_get_option(buf, 'filetype')
+		if buftype == 'alpha' then
+			vim.schedule(function()
+				local alpha_loaded, alpha = pcall(require, 'alpha')
+				if not alpha_loaded then
+					return
+				end
+
+				local dashboard_loaded, dashboard = pcall(require, 'alpha.themes.dashboard')
+				if not dashboard_loaded then
+					vim.cmd 'enew'
+					alpha.start(true)
+					return
+				end
+
+				local tab = vim.api.nvim_get_current_tabpage()
+
+				if _G.alpha_tab_ascii[tab] then
+					dashboard.section.header.val = _G.alpha_tab_ascii[tab]
+				end
+
+				vim.cmd 'enew'
+				alpha.start(true)
+			end)
+		end
+	end,
+})
+
+-- Clean
+vim.api.nvim_create_autocmd('TabClosed', {
+	pattern = '*',
+	callback = function()
+		local closed_tab = tonumber(vim.fn.expand '<afile>')
+		if closed_tab then
+			_G.alpha_tab_ascii[closed_tab] = nil
+		end
+	end,
+})

lua/plugins/custom/alpha.lua

@@ -104,7 +104,13 @@ return {
 		vim.api.nvim_create_autocmd('User', {
 			pattern = 'AlphaReady',
 			callback = function()
-				refresh_header()
+				local tab = vim.api.nvim_get_current_tabpage()
+				-- Only refresh if this tab doesn't have stored ASCII
+				if not _G.alpha_tab_ascii[tab] then
+					refresh_header()
+					local dashboard = require 'alpha.themes.dashboard'
+					_G.alpha_tab_ascii[tab] = vim.deepcopy(dashboard.section.header.val)
+				end
 			end,
 		})
 	end,