From 49b6fb58566c2639195a1b5417c54d6a2b3e3553 Mon Sep 17 00:00:00 2001
From: Toby Vincent <tobyv13@gmail.com>
Date: Wed, 26 Oct 2022 15:17:01 -0500
Subject: feat(nvim): add better buffer switching

---
 nvim/.config/nvim/lua/tobyvin/keymaps.lua         |  8 +++++++
 nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua    |  4 ++--
 nvim/.config/nvim/lua/tobyvin/plugins/lualine.lua |  4 ++--
 nvim/.config/nvim/lua/tobyvin/utils/buffer.lua    | 28 ++++++++++++++++++++---
 4 files changed, 37 insertions(+), 7 deletions(-)

(limited to 'nvim/.config')

diff --git a/nvim/.config/nvim/lua/tobyvin/keymaps.lua b/nvim/.config/nvim/lua/tobyvin/keymaps.lua
index 0e5be19..0f14731 100644
--- a/nvim/.config/nvim/lua/tobyvin/keymaps.lua
+++ b/nvim/.config/nvim/lua/tobyvin/keymaps.lua
@@ -6,8 +6,16 @@ M.training_wheels = function()
 end
 
 M.setup = function()
+	for i = 1, 99, 1 do
+		local lhs = string.format("%sgb", i)
+		local desc = string.format("buffer %s", i)
+		local rhs = string.format("<cmd>%sb<cr>", i)
+		vim.keymap.set("n", lhs, rhs, { desc = desc })
+	end
+
 	vim.keymap.set("n", "gn", "<cmd>bnext<cr>", { desc = "bnext" })
 	vim.keymap.set("n", "gp", "<cmd>bprev<cr>", { desc = "bprev" })
+	vim.keymap.set("n", "gb", utils.buffer.bselect, { desc = "bselect" })
 	vim.keymap.set("n", "<leader>q", "<cmd>qall<cr>", { desc = "quit" })
 	vim.keymap.set("n", "<leader>c", utils.buffer.bdelete, { desc = "bdelete" })
 	vim.keymap.set("n", "<leader>x", "<cmd>close<cr>", { desc = "close" })
diff --git a/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua b/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua
index 7d666df..fdabdeb 100644
--- a/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua
+++ b/nvim/.config/nvim/lua/tobyvin/lsp/handlers.lua
@@ -80,8 +80,8 @@ M.provider_handers = {
 		vim.keymap.set("n", "g<CS-D>", M.preview.declaration, { desc = "Preview Declaration", buffer = bufnr })
 	end,
 	typeDefinitionProvider = function(_, bufnr)
-		vim.keymap.set("n", "gt", vim.lsp.buf.type_definition, { desc = "Type", buffer = bufnr })
-		vim.keymap.set("n", "g<C-t>", M.preview.type_definition, { desc = "Preview Type", buffer = bufnr })
+		vim.keymap.set("n", "gT", vim.lsp.buf.type_definition, { desc = "Type", buffer = bufnr })
+		vim.keymap.set("n", "g<CS-t>", M.preview.type_definition, { desc = "Preview Type", buffer = bufnr })
 	end,
 	implementationProvider = function(_, bufnr)
 		vim.keymap.set("n", "gi", vim.lsp.buf.implementation, { desc = "Implementation", buffer = bufnr })
diff --git a/nvim/.config/nvim/lua/tobyvin/plugins/lualine.lua b/nvim/.config/nvim/lua/tobyvin/plugins/lualine.lua
index a8f9517..8439e46 100644
--- a/nvim/.config/nvim/lua/tobyvin/plugins/lualine.lua
+++ b/nvim/.config/nvim/lua/tobyvin/plugins/lualine.lua
@@ -16,7 +16,7 @@ M.setup = function()
 	end
 
 	local winbar_cond = function()
-		return vim.fn.buflisted(0) == 1
+		return vim.bo.buflisted
 	end
 
 	local workspace = {
@@ -109,7 +109,7 @@ M.setup = function()
 		},
 
 		tabline = {
-			lualine_b = { "buffers" },
+			lualine_b = { { "buffers", mode = 4 } },
 			lualine_y = { "tabs" },
 		},
 
diff --git a/nvim/.config/nvim/lua/tobyvin/utils/buffer.lua b/nvim/.config/nvim/lua/tobyvin/utils/buffer.lua
index 071723d..18ad2f3 100644
--- a/nvim/.config/nvim/lua/tobyvin/utils/buffer.lua
+++ b/nvim/.config/nvim/lua/tobyvin/utils/buffer.lua
@@ -1,3 +1,4 @@
+local Path = require("plenary.path")
 local M = {}
 
 M.get_visual_range = function()
@@ -37,6 +38,27 @@ M.popup = function(file_path)
 	vim.api.nvim_buf_set_option(0, "modifiable", false)
 end
 
+M.bselect = function()
+	local buffers = vim.tbl_filter(function(bufnr)
+		return vim.api.nvim_buf_is_valid(bufnr) and vim.bo[bufnr].buflisted
+	end, vim.api.nvim_list_bufs())
+
+	local opts = {
+		prompt = "Switch buffer: ",
+		format_item = function(bufnr)
+			local path = vim.api.nvim_buf_get_name(bufnr)
+			local relpath = Path:new(path):make_relative()
+			return string.format("%s: %s", bufnr, relpath)
+		end,
+	}
+
+	vim.ui.select(buffers, opts, function(_, idx)
+		if idx ~= nil then
+			vim.api.nvim_set_current_buf(buffers[idx])
+		end
+	end)
+end
+
 --- @class BdeleteOptions
 --- @field force boolean Force deletion and ignore unsaved changes.
 --- @field unload boolean Unloaded only, do not delete. See |:bunload|
@@ -79,13 +101,13 @@ M.bdelete = function(buffer, opts)
 	end
 
 	local is_last_buffer = true
-	if vim.fn.buflisted(buffer) == 1 then
+	if vim.bo[buffer].buflisted then
 		---@diagnostic disable-next-line: param-type-mismatch
 		local windows = vim.fn.getbufinfo(buffer)[1].windows
 
 		for _, window in ipairs(windows) do
 			local alt_buffer = vim.fn.bufnr("#")
-			if vim.fn.buflisted(alt_buffer) == 1 then
+			if vim.bo[alt_buffer].buflisted then
 				vim.api.nvim_win_set_buf(window, alt_buffer)
 				is_last_buffer = false
 			end
@@ -97,7 +119,7 @@ M.bdelete = function(buffer, opts)
 	end
 
 	if vim.api.nvim_buf_is_valid(buffer) then
-		vim.api.nvim_buf_set_option(buffer, "buflisted", false)
+		vim.bo[buffer].buflisted = false
 		pcall(vim.api.nvim_buf_delete, buffer, opts)
 	end
 end
-- 
cgit v1.2.3-70-g09d2