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@ -5,6 +5,8 @@ local utils = require 'libmodal.utils' --- @type libmodal.utils
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--- @alias CursorPosition {[1]: integer, [2]: integer} see `nvim_win_get_cursor`
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--- @class libmodal.Mode
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--- @field private autocmds integer[]
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--- @field private changedtick integer
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--- @field private cursor CursorPosition
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--- @field private flush_input_timer unknown
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--- @field private help? libmodal.utils.Help
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@ -16,24 +18,69 @@ local utils = require 'libmodal.utils' --- @type libmodal.utils
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--- @field private name string
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--- @field private popups libmodal.collections.Stack
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--- @field private supress_exit boolean
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--- @field private virtual_cursor_autocmd integer
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--- @field public count libmodal.utils.Var[integer]
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--- @field public exit libmodal.utils.Var[boolean]
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--- @field public timeouts? libmodal.utils.Var[boolean]
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local Mode = utils.classes.new()
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--- Cursor events triggered by which modes
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local CURSOR_EVENTS_BY_MODE = {
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CursorMoved = {
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n = true,
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V = true,
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v = true,
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[utils.api.replace_termcodes '<C-v>'] = true,
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local C_v = utils.api.replace_termcodes '<C-v>'
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local C_s = utils.api.replace_termcodes '<C-s>'
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--- Event groups organized by modes
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local EVENTS_BY_MODE = {
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--- Cursor events triggered by which modes
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CURSOR_MOVED = {
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CursorMoved = {
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n = true,
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nt = true,
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ntT = true,
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s = true,
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S = true,
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[C_s] = true,
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v = true,
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V = true,
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[C_v] = true,
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vs = true,
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Vs = true,
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[C_v .. 's'] = true,
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},
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CursorMovedI = {
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i = true,
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niI = true,
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niR = true,
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R = true,
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Rv = true,
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},
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},
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CursorMovedI = {
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i = true,
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R = true,
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TEXT_CHANGED = {
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TextChanged = {
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n = true,
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nt = true,
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ntT = true,
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},
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TextChangedI = {
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i = true,
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niI = true,
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niR = true,
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R = true,
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Rv = true,
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},
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TextChangedP = {
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ic = true,
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ix = true,
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Rc = true,
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Rvc = true,
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Rx = true,
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Rvx = true,
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},
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TextChangedT = {
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t = true,
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},
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},
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}
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@ -57,6 +104,18 @@ local ZERO = string.byte(0)
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--- Byte for 9
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local NINE = string.byte(9)
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--- Execute events depending on current mode
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--- @param events_by_mode {[string]: {[string]: true}}
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local function execute_event_by_mode(events_by_mode)
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local mode = vim.api.nvim_get_mode().mode
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for event, modes in pairs(events_by_mode) do
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if modes[mode] then
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vim.api.nvim_exec_autocmds(event, {})
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break
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end
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end
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end
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--- execute the `instruction`.
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--- @private
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--- @param instruction fun(libmodal.Mode)|string a Lua function or Vimscript command.
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@ -70,6 +129,7 @@ function Mode:execute_instruction(instruction)
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self.count:set(0)
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self:render_virtual_cursor(0, true)
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self:execute_text_changed_events()
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end
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--- check the user's input against the `self.instruction` mappings to see if there is anything to execute.
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@ -133,7 +193,24 @@ end
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--- @private
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function Mode:clear_virtual_cursor(bufnr)
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vim.api.nvim_buf_clear_namespace(bufnr, NS.CURSOR, 0, -1);
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end
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--- Runs CursorMoved* events, if applicable
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--- @param cursor CursorPosition the current cursor position
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function Mode:execute_cursor_moved_events(cursor)
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if not vim.deep_equal(self.cursor, cursor) then
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execute_event_by_mode(EVENTS_BY_MODE.CURSOR_MOVED)
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self.cursor = cursor
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end
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end
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--- Runs TextChanged* events, if applicable
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function Mode:execute_text_changed_events()
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local changedtick = vim.api.nvim_buf_get_changedtick(0)
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if self.changedtick ~= changedtick then
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execute_event_by_mode(EVENTS_BY_MODE.TEXT_CHANGED)
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self.changedtick = changedtick
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end
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end
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--- enter this mode.
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@ -156,15 +233,26 @@ function Mode:enter()
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do
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local augroup = vim.api.nvim_create_augroup('libmodal-mode-' .. self.name, { clear = false })
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self.virtual_cursor_autocmd = vim.api.nvim_create_autocmd('BufLeave', {
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callback = function(ev)
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local bufnr = ev.buf
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self:clear_virtual_cursor(bufnr)
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end,
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group = augroup,
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})
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self.autocmds = {
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vim.api.nvim_create_autocmd('BufLeave', {
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callback = function(ev)
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local bufnr = ev.buf
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self:clear_virtual_cursor(bufnr)
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end,
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group = augroup,
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}),
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vim.api.nvim_create_autocmd('BufEnter', {
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callback = function(ev)
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local bufnr = ev.buf
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self.changedtick = vim.api.nvim_buf_get_changedtick(bufnr)
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end,
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});
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}
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end
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self.changedtick = vim.api.nvim_buf_get_changedtick(0)
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self.previous_mode_name = vim.g.libmodalActiveModeName
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vim.g.libmodalActiveModeName = self.name
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@ -253,16 +341,7 @@ function Mode:render_virtual_cursor(winid, clear)
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local cursor = self:cursor_in(winid)
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vim.highlight.range(bufnr, NS.CURSOR, 'Cursor', cursor, cursor, { inclusive = true })
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if not vim.deep_equal(self.cursor, cursor) then
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local mode = vim.api.nvim_get_mode().mode
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if CURSOR_EVENTS_BY_MODE.CursorMoved[mode] then
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vim.api.nvim_exec_autocmds('CursorMoved', {})
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elseif CURSOR_EVENTS_BY_MODE.CursorMovedI[mode] then
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vim.api.nvim_exec_autocmds('CursorMovedI', {})
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end
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self.cursor = cursor
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end
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self:execute_cursor_moved_events(cursor)
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end
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--- show the mode indicator, if it is enabled
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@ -294,7 +373,9 @@ function Mode:tear_down()
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self:clear_virtual_cursor(0)
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vim.schedule(function() vim.opt.guicursor:remove { 'a:Cursor/lCursor' } end)
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vim.api.nvim_command 'highlight Cursor blend=0'
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vim.api.nvim_del_autocmd(self.virtual_cursor_autocmd)
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for _, autocmd in ipairs(self.autocmds) do
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vim.api.nvim_del_autocmd(autocmd)
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end
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self.cursor = nil
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if type(self.instruction) == 'table' then
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