change plugin manager to packer, add lsp-signature plugin

.gitignore

@@ -0,0 +1 @@
+plugin/

README.md

@@ -23,17 +23,14 @@ sudo dnf install \
     tree-sitter-cli \
     wl-clipboard \
     dejavu-fonts-all \
-    gnu-free-mono-fonts
+    gnu-free-mono-fonts \
+    clang \
+    perl-App-cpanminus # optional, allow perlnavigator lsp working properly
 
-pip install \
-	pynvim \
-    'python-lsp-server[all]' \
-    flake8 \
-    pyright
+pip install pynvim
 
-    
-sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
-       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
+git clone --depth 1 https://github.com/wbthomason/packer.nvim\
+ ~/.local/share/nvim/site/pack/packer/start/packer.nvim
 ```
 
 #####   
@@ -42,10 +39,14 @@ sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.
 ##### Inside vim
 
 ```
-:PlugInstall
+:PackerInstall
+:PackerSync
 
 # installing packages, which mason-lspconfig cannot autoinstall (?)
 :MasonInstall phpcs
+
+# tree-sitter setup
+:TSInstall html dockerfile cpp css markdown c gitcommit bash phpdoc comment python http php regex json5 lua gitattributes gitignore json git_rebase javascript perl sql yaml
 ```
 
 On Fedora there is need to make sure your system can display any unicode character. Hacked fonts are needed for filetype icons but there is also need for a dedicated package with unicode fonts (like unifont-fonts.noarch) that will have every character missing from default font used in Neovim editor. Link to hacked fonts:  
@@ -149,8 +150,8 @@ Mason installs stuff in `.local/share/nvim/mason/packages` so they are independe
 
 <table border="1" id="bkmrk-ctrl%2Bs-show-current-" style="border-collapse: collapse; width: 100%; height: 208.6px;"><colgroup><col style="width: 50%;"></col><col style="width: 50%;"></col></colgroup><tbody><tr style="height: 29.8px;"><td style="height: 29.8px;">Ctrl+g  
 </td><td style="height: 29.8px;">show current code chunk changes</td></tr><tr><td>&lt;leader&gt;hb  
-</td><td>show full git blame of current line  
-</td></tr><tr><td>&lt;leader&gt;hD</td><td>show splitted blame diff  
+</td><td>show full git blame of current line (double use to enter displayed diff)  
+</td></tr><tr><td>&lt;leader&gt;hD</td><td>show splitted blame diff (double use to enter displayed diff)  
 </td></tr><tr><td>&lt;leader&gt;hd</td><td>show splitted diff</td></tr><tr style="height: 29.8px;"><td style="height: 29.8px;">&lt;leader&gt;hr  
 </td><td style="height: 29.8px;">reset hunk  
 </td></tr><tr style="height: 29.8px;"><td style="height: 29.8px;">&lt;leader&gt;hR</td><td style="height: 29.8px;">reset whole buffer  

init.vim

@@ -1,67 +1,9 @@
-call plug#begin()
-
-" NERDTree stuff
-Plug 'nvim-tree/nvim-web-devicons' " optional, for file icons
-Plug 'nvim-tree/nvim-tree.lua'
-
-" neovim lsp plugins and depencencies
-Plug 'neovim/nvim-lspconfig'
-Plug 'hrsh7th/cmp-nvim-lsp'
-Plug 'hrsh7th/cmp-buffer'
-Plug 'hrsh7th/nvim-cmp'
-Plug 'williamboman/mason.nvim'
-Plug 'williamboman/mason-lspconfig.nvim'
-Plug 'mfussenegger/nvim-lint'
-Plug 'onsails/lspkind.nvim'
-
-" various plugins
-Plug 'lewis6991/gitsigns.nvim'
-Plug 'petertriho/nvim-scrollbar'
-Plug 'kevinhwang91/nvim-hlslens'
-Plug 'windwp/nvim-ts-autotag'
-Plug 'hrsh7th/cmp-path'
-Plug 'L3MON4D3/LuaSnip', {'tag': '*'}
-Plug 'saadparwaiz1/cmp_luasnip'
-Plug 'lambdalisue/suda.vim'
-Plug 'akinsho/bufferline.nvim', { 'tag': '*' }
-Plug 'gorbit99/codewindow.nvim'
-Plug 'preservim/nerdcommenter'
-Plug 'rmagatti/auto-session'
-Plug 'tpope/vim-fugitive'
-Plug 'Glench/Vim-Jinja2-Syntax'
-Plug 'vmware-archive/salt-vim'
-
-Plug 'nvim-lualine/lualine.nvim'
-Plug 'itchyny/vim-cursorword'
-Plug 'sheerun/vim-polyglot'
-
-" themes
-Plug 'folke/tokyonight.nvim', { 'branch': 'main' }
-Plug 'olimorris/onedarkpro.nvim'
-Plug 'ellisonleao/gruvbox.nvim'
-Plug 'Mofiqul/dracula.nvim'
-Plug 'vigoux/oak'
-Plug 'NLKNguyen/papercolor-theme'
-Plug 'bluz71/vim-moonfly-colors'
-Plug 'luisiacc/gruvbox-baby'
-Plug 'catppuccin/nvim'
-Plug 'EdenEast/nightfox.nvim'
-Plug 'projekt0n/github-nvim-theme'
-
-"Fuzzy search by Telescope and its dependencies:
-Plug 'nvim-lua/plenary.nvim'
-Plug 'nvim-telescope/telescope.nvim', { 'branch': '0.1.x' }
-Plug 'BurntSushi/ripgrep'
-Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
-
-call plug#end()
-
 " set termguicolors before lua config,
 " as it can contain some theme stuff that
 " checks for termguicolors
 set termguicolors
-
 " load main lua file with additional configs
+lua require("packer-setup")
 lua require("general")
 lua require("my-lspconfig")
 lua require("my-lint")

lua/general.lua

@@ -257,7 +257,6 @@ cmp.setup.cmdline(':', {
 })
 
 require("nvim-tree").setup({
-    create_in_closed_folder = true,
     hijack_cursor = true,
     open_on_setup = true,
     open_on_setup_file = true,

lua/my-lspconfig.lua

@@ -35,6 +35,68 @@ end
 
 local capabilities = require('cmp_nvim_lsp').default_capabilities()
 
+
+-- config for ray-x/lsp_signature.nvim
+local cfg = {
+    debug = false, -- set to true to enable debug logging
+    log_path = vim.fn.stdpath("cache") .. "/lsp_signature.log", -- log dir when debug is on
+    -- default is  ~/.cache/nvim/lsp_signature.log
+    verbose = false, -- show debug line number
+
+    bind = true, -- This is mandatory, otherwise border config won't get registered.
+    -- If you want to hook lspsaga or other signature handler, pls set to false
+    doc_lines = 10, -- will show two lines of comment/doc(if there are more than two lines in doc, will be truncated);
+    -- set to 0 if you DO NOT want any API comments be shown
+    -- This setting only take effect in insert mode, it does not affect signature help in normal
+    -- mode, 10 by default
+
+    max_height = 12, -- max height of signature floating_window
+    max_width = 80, -- max_width of signature floating_window
+    noice = false, -- set to true if you using noice to render markdown
+    wrap = true, -- allow doc/signature text wrap inside floating_window, useful if your lsp return doc/sig is too long
+
+    floating_window = true, -- show hint in a floating window, set to false for virtual text only mode
+
+    floating_window_above_cur_line = true, -- try to place the floating above the current line when possible Note:
+    -- will set to true when fully tested, set to false will use whichever side has more space
+    -- this setting will be helpful if you do not want the PUM and floating win overlap
+
+    floating_window_off_x = 1, -- adjust float windows x position.
+    floating_window_off_y = 0, -- adjust float windows y position. e.g -2 move window up 2 lines; 2 move down 2 lines
+    -- can be either number or function, see examples
+
+    close_timeout = 4000, -- close floating window after ms when laster parameter is entered
+    fix_pos = false, -- set to true, the floating window will not auto-close until finish all parameters
+    hint_enable = true, -- virtual hint enable
+    hint_prefix = "🐼 ", -- Panda for parameter, NOTE: for the terminal not support emoji, might crash
+    hint_scheme = "String",
+    hi_parameter = "LspSignatureActiveParameter", -- how your parameter will be highlight
+    handler_opts = {
+        border = "rounded" -- double, rounded, single, shadow, none, or a table of borders
+    },
+
+    always_trigger = false, -- sometime show signature on new line or in middle of parameter can be confusing, set it to false for #58
+
+    auto_close_after = nil, -- autoclose signature float win after x sec, disabled if nil.
+    extra_trigger_chars = {}, -- Array of extra characters that will trigger signature completion, e.g., {"(", ","}
+    zindex = 200, -- by default it will be on top of all floating windows, set to <= 50 send it to bottom
+
+    padding = '', -- character to pad on left and right of signature can be ' ', or '|'  etc
+
+    transparency = nil, -- disabled by default, allow floating win transparent value 1~100
+    shadow_blend = 36, -- if you using shadow as border use this set the opacity
+    shadow_guibg = 'Black', -- if you using shadow as border use this set the color e.g. 'Green' or '#121315'
+    timer_interval = 200, -- default timer check interval set to lower value if you want to reduce latency
+    toggle_key = nil, -- toggle signature on and off in insert mode,  e.g. toggle_key = '<M-x>'
+
+    select_signature_key = nil, -- cycle to next signature, e.g. '<M-n>' function overloading
+    move_cursor_key = nil, -- imap, use nvim_set_current_win to move cursor between current win and floating
+}
+
+-- recommended:
+require 'lsp_signature'.setup(cfg) -- no need to specify bufnr if you don't use toggle_key
+
+
 require 'lspconfig'.pyright.setup {
     on_attach = on_attach,
     capabilities = capabilities,
@@ -46,12 +108,14 @@ require 'lspconfig'.pylsp.setup {
         pylsp = {
             plugins = {
                 flake8 = {
-                    enabled = 1
+                    enabled = true
                 },
                 pylint = {
                     enabled = true,
                     args = {
-                        '--disable=C0114' -- disable missing module docstring info
+                        -- disable missing module docstring info
+                        -- and temporarilt false cannot import errors
+                        '--disable=C0114,E0401'
                     }
                 },
                 yapf = {
@@ -60,8 +124,8 @@ require 'lspconfig'.pylsp.setup {
                 autopep8 = {
                     enabled = false
                 },
-                pyflakes = {enabled = true},
-                pyodestyle = {enabled = true},
+                pyflakes = { enabled = true },
+                pyodestyle = { enabled = true },
                 pydocstyle = {
                     enabled = false,
                     ignore = {
@@ -75,11 +139,11 @@ require 'lspconfig'.pylsp.setup {
         }
     }
 }
---require 'lspconfig'.pyre.setup {
---on_attach = on_attach,
---capabilities = capabilities,
---}
-require'lspconfig'.sourcekit.setup{
+require 'lspconfig'.pyre.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+}
+require 'lspconfig'.sourcekit.setup {
     on_attach = on_attach,
     capabilities = capabilities,
 }

lua/packer-setup.lua

@@ -0,0 +1,59 @@
+return require('packer').startup(function(use)
+    -- Packer can manage itself
+    use 'wbthomason/packer.nvim'
+    -- NERDTree stuff
+    use 'nvim-tree/nvim-web-devicons' -- optional, for file icons
+    use 'nvim-tree/nvim-tree.lua'
+
+    -- neovim lsp plugins and depencencies
+    use 'neovim/nvim-lspconfig'
+    use 'hrsh7th/cmp-nvim-lsp'
+    use 'hrsh7th/cmp-buffer'
+    use 'hrsh7th/nvim-cmp'
+    use 'williamboman/mason.nvim'
+    use 'williamboman/mason-lspconfig.nvim'
+    use 'mfussenegger/nvim-lint'
+    use 'onsails/lspkind.nvim'
+
+    -- various plugins
+    use 'lewis6991/gitsigns.nvim'
+    use 'petertriho/nvim-scrollbar'
+    use 'kevinhwang91/nvim-hlslens'
+    use 'windwp/nvim-ts-autotag'
+    use 'hrsh7th/cmp-path'
+    use { 'L3MON4D3/LuaSnip', tag = '*' }
+    use 'saadparwaiz1/cmp_luasnip'
+    use 'lambdalisue/suda.vim'
+    use { 'akinsho/bufferline.nvim', tag = '*' }
+    use 'gorbit99/codewindow.nvim'
+    use 'preservim/nerdcommenter'
+    use 'rmagatti/auto-session'
+    use 'tpope/vim-fugitive'
+    use 'Glench/Vim-Jinja2-Syntax'
+    use 'vmware-archive/salt-vim'
+
+    use 'nvim-lualine/lualine.nvim'
+    use 'itchyny/vim-cursorword'
+    use 'sheerun/vim-polyglot'
+    use 'ray-x/lsp_signature.nvim'
+
+    -- themes
+    use 'olimorris/onedarkpro.nvim'
+    use 'ellisonleao/gruvbox.nvim'
+    use 'Mofiqul/dracula.nvim'
+    use 'vigoux/oak'
+    use 'NLKNguyen/papercolor-theme'
+    use 'bluz71/vim-moonfly-colors'
+    use 'luisiacc/gruvbox-baby'
+    use 'catppuccin/nvim'
+    use 'EdenEast/nightfox.nvim'
+    use 'projekt0n/github-nvim-theme'
+
+    --Fuzzy search by Telescope and its dependencies:
+    use {
+        'nvim-telescope/telescope.nvim', branch = 'master',
+        requires = { { 'nvim-lua/plenary.nvim' } }
+    }
+    use 'BurntSushi/ripgrep'
+    use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate' }
+end)