106 lines
3.7 KiB
VimL
106 lines
3.7 KiB
VimL
vim9script noclear
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# ------------------------------------------------------------------------------ #
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# singlechar.vim - Insert single characters without entering insert mode
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# Author: lohhiiccc
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# Version: 1.0.0
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# License: MIT
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# Repository: https://github.com/lohhiiccc/vim-singlechar
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# ------------------------------------------------------------------------------ #
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# Description:
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# This plugin allows you to quickly insert a single character without entering
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# insert mode. Simply use the configured mapping, press the character you want
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# to insert, and continue in normal mode. Supports count for repeating characters.
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# ------------------------------------------------------------------------------ #
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if exists('g:loaded_singlechar') || &cp || v:version < 900
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finish
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endif
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g:loaded_singlechar = 1
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# ------------------------------------------------------------------------------ #
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# Configuration options
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# Mapping to insert a character at cursor position (before cursor)
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if !exists('g:singlechar_map_insert_at')
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g:singlechar_map_insert_at = '<Leader>i'
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endif
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# Mapping to insert a character after cursor position
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if !exists('g:singlechar_map_insert_after')
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g:singlechar_map_insert_after = '<Leader>a'
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endif
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# Prompt message shown when waiting for character input
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if !exists('g:singlechar_prompt')
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g:singlechar_prompt = 'Press the character to insert - Press Esc to cancel...'
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endif
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# ------------------------------------------------------------------------------ #
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# Core functionality
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g:last_singlechar_key = ''
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g:last_singlechar_mode = ''
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g:last_singlechar_count = 1
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# Function to handle character insertion
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# Parameters:
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# mode: 'at' to insert before cursor, 'after' to insert after cursor
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# count: number of times to repeat the character
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# pkey: character to insert (optional)
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export def InsertChar(mode: string, count: number, pkey: string = ''): void
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var key = pkey
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if pkey == ''
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echo g:singlechar_prompt
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redraw
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# Get character from user
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var char = getchar()
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key = nr2char(char)
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endif
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if key ==# "\<Esc>"
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return
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endif
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# Determine whether to insert before (i) or after (a) cursor
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var cmd = (mode ==# 'at') ? 'i' : 'a'
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var text = repeat(key, count)
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execute 'normal! ' .. cmd .. text .. "\<Esc>"
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#save
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g:last_singlechar_key = key
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g:last_singlechar_mode = mode
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g:last_singlechar_count = count
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#set vim-repeat
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legacy call repeat#set("\<Plug>(singlechar-repeat)")
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enddef
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export def g:RepeatSingleChar(): void
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if g:last_singlechar_key != ''
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call InsertChar(g:last_singlechar_mode, g:last_singlechar_count, g:last_singlechar_key)
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endif
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enddef
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# ------------------------------------------------------------------------------ #
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# Mappings <Plug>
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nnoremap <Plug>(singlechar-repeat) :call g:RepeatSingleChar()<CR>
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# Direct command implementations
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command! -count=1 -nargs=0 InsertCharAt InsertChar('at', <count>)
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command! -count=1 -nargs=0 InsertCharAfter InsertChar('after', <count>)
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# Create default mappings unless disabled
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if !exists('g:singlechar_no_mappings')
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execute 'nnoremap <expr> <silent> ' .. g:singlechar_map_insert_at .. ' ":<C-u>InsertCharAt " .. v:count1 .. "<CR>"'
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execute 'nnoremap <expr> <silent> ' .. g:singlechar_map_insert_after .. ' ":<C-u>InsertCharAfter " .. v:count1 .. "<CR>"'
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endif
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# Usage:
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# <Leader>i - Insert character at cursor position
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# <Leader>a - Insert character after cursor position
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#
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# You can use a count before the mapping to insert multiple copies
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# of the same character. For example: 3<Leader>i will insert the
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# character 3 times at the cursor position.
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# ------------------------------------------------------------------------------ #
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