From 4bad81c4dd540b40af0db4db6a403f9e54481286 Mon Sep 17 00:00:00 2001
From: Alexander Hess <alexander@webartifex.biz>
Date: Tue, 9 Aug 2022 01:16:07 +0200
Subject: [PATCH] Configure vim
---
.config/git/ignore | 20 +++
.profile | 2 +
.vim/after/ftplugin/python.vim | 65 +++++++
.vim/backup/.gitkeep | 0
.vim/swap/.gitkeep | 0
.vim/undo/.gitkeep | 0
.vim/vimrc | 303 +++++++++++++++++++++++++++++++++
7 files changed, 390 insertions(+)
create mode 100644 .vim/after/ftplugin/python.vim
create mode 100644 .vim/backup/.gitkeep
create mode 100644 .vim/swap/.gitkeep
create mode 100644 .vim/undo/.gitkeep
create mode 100644 .vim/vimrc
diff --git a/.config/git/ignore b/.config/git/ignore
index e69de29..c70f233 100644
--- a/.config/git/ignore
+++ b/.config/git/ignore
@@ -0,0 +1,20 @@
+# Vim
+# Source: https://github.com/github/gitignore/blob/main/Global/Vim.gitignore
+#
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+# Session
+Session.vim
+Sessionx.vim
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
diff --git a/.profile b/.profile
index 6514831..a5d4c1e 100644
--- a/.profile
+++ b/.profile
@@ -1,9 +1,11 @@
# Executed by a login shell (e.g., bash, sh, or zsh) during start-up
+export EDITOR=vim
export PAGER='less --chop-long-lines --ignore-case --LONG-PROMPT --no-init --status-column --quit-if-one-screen'
export TERM=xterm-256color
export TZ='Europe/Berlin'
+export VISUAL=$EDITOR
export REPOS="$HOME/repos"
diff --git a/.vim/after/ftplugin/python.vim b/.vim/after/ftplugin/python.vim
new file mode 100644
index 0000000..0bf9971
--- /dev/null
+++ b/.vim/after/ftplugin/python.vim
@@ -0,0 +1,65 @@
+" Set the search path to the folder of the current file and its sub-folders
+setlocal path=.,**
+" Exclude Python's compiled files from searches
+setlocal wildignore=*/__pycache__/*,*.pyc
+
+
+" TODO: This does not work, maybe because we spell out imports
+" as project-local imports (e.g. from lalib.fields import base)?
+" Include *.py files imported as modules when searching.
+" Source: https://www.youtube.com/watch?v=Gs1VDYnS-Ac
+set include=^\\s*\\(from\\\|import\\)\\s*\\zs\\(\\S\\+\\s\\{-}\\)*\\ze\\($\\\|\ as\\)
+" 1) import foo.bar -> foo/bar.py
+" 2) from foo import bar as var -> foo/bar.py or foo.py
+function! PyInclude(fname)
+ let parts = split(a:fname, ' import ') " 1) [foo.bar] or 2) [foo, bar]
+ let left = parts[0] " 1) foo.bar or 2) foo
+ if len(parts) > 1
+ let right = parts[1] " only 2) bar
+ let joined = join([left, right], '.')
+ let fpath = substitute(joined, '\.', '/', 'g') . '.py'
+ let found = glob(fpath, 1)
+ if len(found)
+ return found
+ endif
+ endif
+ return substitute(left, '\.', '/', 'g') . '.py'
+endfunction
+setlocal includeexpr=PyInclude(v:fname)
+setlocal define=^\\s*\\<\\(def\\|class\\)\\>
+
+
+" Number of spaces used for each step of auto-indent
+set shiftwidth=4
+
+" Number of spaces a <Tab> counts for in the file
+set tabstop=4
+
+" Number of spaces a <Tab> counts for in editing mode
+set softtabstop=4
+
+" Change <Tab>s into spaces
+set expandtab
+
+" Copy indent from previous line when starting a new line
+set autoindent
+
+" Use indent according to the syntax of the open file
+set smartindent
+
+" Auto-wrap lines after 88 characters, which is PEP8's limit plus 10%,
+" a more relaxed boundary which occasionally may be used
+set textwidth=88
+
+
+" Make column 80 red to indicate PEP8's maximum allowed line length
+set colorcolumn=80
+
+" Additionally, give every character beyond 80 columns a red background
+highlight ColorColumn ctermbg=DarkRed
+call matchadd('ColorColumn', '\%80v', 100)
+match ErrorMsg '\%>80v.\+'
+
+
+" Show line numbers by default for .py files
+let g:show_numbers=1
diff --git a/.vim/backup/.gitkeep b/.vim/backup/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/.vim/swap/.gitkeep b/.vim/swap/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/.vim/undo/.gitkeep b/.vim/undo/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/.vim/vimrc b/.vim/vimrc
new file mode 100644
index 0000000..d880af5
--- /dev/null
+++ b/.vim/vimrc
@@ -0,0 +1,303 @@
+" Good sources on vimrc files:
+" - https://www.youtube.com/watch?v=Gs1VDYnS-Ac
+
+
+" Use VIM improved mode
+set nocompatible
+
+" Set environment variables for convenient usage
+let $RC="$HOME/.vim/vimrc"
+let $RTP=split(&runtimepath, ',')[0]
+
+" Disable VIM's startup message
+set shortmess+=I
+
+" Number of remembered undo steps
+set undolevels=1000
+
+
+" Detect the file's type and load the corresponding plugin and indent files
+filetype plugin indent on
+
+" Enable syntax highlighting
+syntax on
+
+
+" Allow backspace to delete characters in insert mode
+" beyond the start of the insertion and end of lines
+set backspace=start,eol,indent
+
+
+" Hide buffers instead of closing them, wich means we can have
+" unwritten changes to a file and open a new one with :e,
+" without having to write the changes first
+set hidden
+
+
+" Set to the folder of the current file and its sub-folders
+" (this may need to be adapted for large project folders)
+set path=.,**
+
+
+" Store all vim-related working files in the ~/.vim folder
+set viminfo+=n~/.vim/viminfo
+" Use dedicated folders to store temporary backup, swap, and undo files
+" (the // means that VIM adapts names automatically to avoid duplicates)
+set backupdir=~/.vim/backup//
+set directory=~/.vim/swap//
+set undodir=~/.vim/undo//
+
+" To disable any of the temporary files, uncomment one of the following
+" set nobackup
+" set nowritebackup
+" set noswapfile
+" set noundofile
+
+
+" Show the filename in the terminal window's title bar
+set title
+
+
+" Do not wrap lines when showing text
+set nowrap
+
+" This avoids a problem of loosing data upon insertion in old VIMs
+set wrapmargin=0
+
+
+" Show spelling mistakes (in English) in italics
+set spelllang=en_us,de_de
+set spell
+hi clear SpellBad
+hi clear SpellCap
+hi clear SpellRare
+hi clear SpellLocal
+hi SpellBad cterm=italic
+
+
+" Show whitespace characters
+set listchars=tab:»»,extends:›,precedes:‹,nbsp:·,trail:·
+set list
+
+
+" Highlight matching brackets
+set showmatch
+set matchpairs+=<:>
+
+
+" Always show the status bar at the bottom
+set laststatus=2
+
+" Show current position in status bar
+set ruler
+set rulerformat=%=%l/%L\ %c\ (%P)
+
+" Show commands in status bar
+set showcmd
+
+" If in non-normal mode, show the mode in the status bar
+set showmode
+
+" Show a dialog to save changes instead of an error message
+set confirm
+
+" Auto-clear messages from the status bar
+autocmd CursorHold * :echo
+
+
+" Better copy and paste behavior
+set pastetoggle=<F2>
+set clipboard=unnamed
+
+
+" Make : and ; synonyms
+nnoremap ; :
+
+
+" Use \ and <space> as the <leader> keys and lower time to enter key sequences
+let mapleader='\'
+set timeoutlen=750
+" Make <space> the <leader> in visual mode as well
+nmap <space> \
+vmap <space> \
+
+
+" Q normally goes into Ex mode
+nmap Q <Nop>
+
+
+" Get sudo rights when writing a buffer with w!!
+cnoremap w!! w !sudo tee % >/dev/null
+
+
+" Enable the mouse for selections, including a toggle for this mode
+set mouse=a
+let g:mouse_enabled=1
+function ToggleMouse()
+ if g:mouse_enabled == 1
+ echo "Mouse OFF"
+ set mouse=
+ let g:mouse_enabled=0
+ else
+ echo "Mouse ON"
+ set mouse=a
+ let g:mouse_enabled=1
+ endif
+endfunction
+noremap <silent><leader>m :call ToggleMouse()<cr>
+
+
+" Enable toggling between
+" - showing and hiding line numbers (<leader>l)
+" - absolute and relative numbers (<leader>a) in normal mode
+" (default: relative line numbering)
+let g:show_numbers=0
+let g:show_absolute_numbers=0
+function! ShowLineNumbers()
+ if g:show_numbers == 1
+ set number
+ if g:show_absolute_numbers
+ set norelativenumber
+ else
+ set relativenumber
+ endif
+ else
+ set nonumber
+ set norelativenumber
+ endif
+endfunction
+function! ToggleLineNumbers()
+ if g:show_numbers == 1
+ let g:show_numbers=0
+ else
+ let g:show_numbers=1
+ endif
+ call ShowLineNumbers()
+endfunction
+function! ToggleAbsoluteAndRelativeLineNumbers()
+ if g:show_absolute_numbers == 1
+ let g:show_absolute_numbers=0
+ else
+ let g:show_absolute_numbers=1
+ endif
+ call ShowLineNumbers()
+endfunction
+" Auto-switch between absolute and relative numbering when switching modes
+" (insert mode always shows absolute numbers when numbers are shown)
+augroup numbertoggle
+ autocmd!
+ autocmd BufEnter,FocusGained,InsertLeave * call ShowLineNumbers()
+ autocmd BufLeave,FocusLost,InsertEnter * if g:show_numbers == 1 | set number | set norelativenumber | endif
+augroup END
+" Key bindings
+nnoremap <silent><leader>l :call ToggleLineNumbers()<cr>
+nnoremap <silent><leader>a :call ToggleAbsoluteAndRelativeLineNumbers()<cr>
+
+
+" Show all possible matches above command-line when tab completing
+set wildmenu
+set wildmode=longest:full,full
+
+
+" Highlight search results
+set hlsearch
+
+" Shortcut to remove current highlighting
+nnoremap <silent><leader>h :nohlsearch<cr>
+
+" Move cursor to result while typing immediately
+set incsearch
+
+" Ignore case when searching
+set ignorecase
+
+" Upper case search term => case sensitive search
+set smartcase
+
+" Highlight the next match in red for 0.25 seconds
+function! HighlightNext()
+ let [bufnum, lnum, col, off] = getpos('.')
+ let matchlen = strlen(matchstr(strpart(getline('.'),col-1),@/))
+ let target_pat = '\c\%#\%('.@/.'\)'
+ let ring = matchadd('ErrorMsg', target_pat, 101)
+ redraw
+ exec 'sleep ' . float2nr(250) . 'm'
+ call matchdelete(ring)
+ redraw
+endfunction
+nnoremap <silent>n n:call HighlightNext()<cr>
+nnoremap <silent>N N:call HighlightNext()<cr>
+
+
+" Make <leader>w safe the buffer in normal mode
+" and <c-z> save the buffer in all modes
+" (the latter disables making VIM a background job;
+" <c-z> is useful to have as <leader>w does not work in INSERT mode)
+nnoremap <leader>w :update<cr>
+nnoremap <c-z> :update<cr>
+vnoremap <c-z> <c-c>:update<cr>
+inoremap <c-z> <c-o>:update<cr>
+
+" <leader>q quits VIM
+nnoremap <leader>q :quit<cr>
+
+" Easier switching between tabs
+noremap <leader>, <esc>:tabprevious<cr>
+noremap <leader>. <esc>:tabnext<cr>
+
+" Arrow keys and <c-h/j/k/l> either (un)indent lines or move them up or down
+" (same for blocks of lines in visual mode)
+nnoremap <left> <<
+nnoremap <right> >>
+nnoremap <silent><up> :m-2<cr>
+nnoremap <silent><down> :m+<cr>
+nmap <c-h> <left>
+nmap <c-j> <down>
+nmap <c-k> <up>
+nmap <c-l> <right>
+vnoremap <left> <gv
+vnoremap <right> >gv
+vnoremap <up> :m'<-2<cr>gv=gv
+vnoremap <down> :m'>+1<cr>gv=gv
+vmap <c-h> <left>
+vmap <c-j> <down>
+vmap <c-k> <up>
+vmap <c-l> <right>
+
+" Make <tab> (un)indent lines
+nnoremap <tab> >>
+nnoremap <s-tab> <<
+inoremap <tab> <esc>>>
+inoremap <s-tab> <esc><<
+vnoremap <tab> >gv
+vnoremap <s-tab> <gv
+
+" Make Y yank the rest of a line, just like C or D work
+noremap Y y$
+
+" Alphabetically sort a selection of lines
+vnoremap <leader>s :sort<cr>
+
+" Switch two words, just like xp switches two characters
+noremap <leader>xp dwElp
+
+
+" Auto-reload a file that was changed by some other process
+" if the buffer has not yet been changed in the meantime
+set autoread
+augroup checktime
+ autocmd!
+ autocmd BufEnter * silent! checktime
+ autocmd CursorHold * silent! checktime
+ autocmd CursorHoldI * silent! checktime
+ autocmd CursorMoved * silent! checktime
+ autocmd CursorMovedI * silent! checktime
+augroup END
+
+
+" Auto-reload ~/.vim/vimrc
+augroup vimrc
+ autocmd! BufWritePost $RC source % | redraw
+augroup END
+" Key binding to reload ~/.vim/vimrc manually
+nnoremap <silent><leader>rc :so $RC<cr>