|
|
|
@ -55,6 +55,7 @@ local function unpack_keymap_rhs(keymap)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- @class libmodal.Layer
|
|
|
|
|
--- @field private active boolean whether the layer is currently applied
|
|
|
|
|
--- @field private existing_keymaps_by_mode table the keymaps to restore when exiting the mode; generated automatically
|
|
|
|
|
--- @field private layer_keymaps_by_mode table the keymaps to apply when entering the mode; provided by user
|
|
|
|
|
local Layer = require('libmodal/src/utils/classes').new(nil)
|
|
|
|
@ -70,20 +71,19 @@ function Layer:enter()
|
|
|
|
|
return
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
-- add local aliases.
|
|
|
|
|
self.existing_keymaps_by_mode = {}
|
|
|
|
|
|
|
|
|
|
for mode, new_keymaps in pairs(self.layer_keymaps_by_mode) do
|
|
|
|
|
for lhs, options in pairs(new_keymaps) do
|
|
|
|
|
local rhs, unpacked = unpack_keymap_rhs(options)
|
|
|
|
|
self:map(mode, lhs, rhs, unpacked)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
self.active = true
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- exit the layer, restoring all previous keymaps.
|
|
|
|
|
function Layer:exit()
|
|
|
|
|
if not self:is_active() then
|
|
|
|
|
if not self.active then
|
|
|
|
|
vim.notify(
|
|
|
|
|
'nvim-libmodal layer: you cannot exit a layer without entering it first.',
|
|
|
|
|
vim.log.levels.ERROR,
|
|
|
|
@ -98,13 +98,13 @@ function Layer:exit()
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
self.existing_keymaps_by_mode = nil
|
|
|
|
|
self.active = false
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Check whether the layer has been `:enter`ed previously but not `:exit`ed.
|
|
|
|
|
--- @return boolean
|
|
|
|
|
function Layer:is_active()
|
|
|
|
|
return self.existing_keymaps_by_mode ~= nil
|
|
|
|
|
return self.active
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- add a keymap to the mode.
|
|
|
|
@ -134,8 +134,7 @@ function Layer:map(mode, lhs, rhs, options)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
-- WARN: nvim can fail to map the `lhs` to `rhs` in `mode` with `options` unless scheduled.
|
|
|
|
|
vim.schedule(function() vim.keymap.set(mode, lhs, rhs, options) end)
|
|
|
|
|
vim.keymap.set(mode, lhs, rhs, options)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
-- add the new mapping to the layer's keymap
|
|
|
|
@ -155,20 +154,18 @@ end
|
|
|
|
|
function Layer:unmap(buffer, mode, lhs)
|
|
|
|
|
lhs = replace_termcodes(lhs)
|
|
|
|
|
if self.existing_keymaps_by_mode then
|
|
|
|
|
if self.existing_keymaps_by_mode[mode][lhs] then -- there is an older keymap to go back to, so undo this layer_keymaps_by_mode
|
|
|
|
|
if self.existing_keymaps_by_mode[mode][lhs] then -- there is an older keymap to go back to; restore it
|
|
|
|
|
local rhs, options = unpack_keymap_rhs(self.existing_keymaps_by_mode[mode][lhs])
|
|
|
|
|
|
|
|
|
|
-- WARN: nvim can fail to set the keybinding here unless `schedule`d
|
|
|
|
|
-- WARN: nvim can fail to restore the original keybinding here unless schedule
|
|
|
|
|
vim.schedule(function() vim.keymap.set(mode, lhs, rhs, options) end)
|
|
|
|
|
else
|
|
|
|
|
-- WARN: nvim can fail to unmap unless scheduled here
|
|
|
|
|
local no_errors, err = pcall(vim.schedule_wrap(function()
|
|
|
|
|
else -- there was no older keymap; just delete the one set by this layer
|
|
|
|
|
local no_errors, err = pcall(function()
|
|
|
|
|
if buffer then
|
|
|
|
|
vim.api.nvim_buf_del_keymap(buffer, mode, lhs)
|
|
|
|
|
else
|
|
|
|
|
vim.api.nvim_del_keymap(mode, lhs)
|
|
|
|
|
end
|
|
|
|
|
end))
|
|
|
|
|
end)
|
|
|
|
|
|
|
|
|
|
if not (no_errors or err:match 'E31: No such mapping') then
|
|
|
|
|
require('libmodal/src/utils').notify_error('nvim-libmodal encountered an error while unmapping from layer', err)
|
|
|
|
@ -186,6 +183,6 @@ return
|
|
|
|
|
--- @param keymaps_by_mode table the keymaps (e.g. `{n = {gg = {rhs = 'G', silent = true}}}`)
|
|
|
|
|
--- @return libmodal.Layer
|
|
|
|
|
new = function(keymaps_by_mode)
|
|
|
|
|
return setmetatable({layer_keymaps_by_mode = keymaps_by_mode}, Layer)
|
|
|
|
|
return setmetatable({existing_keymaps_by_mode = {}, layer_keymaps_by_mode = keymaps_by_mode, active = false}, Layer)
|
|
|
|
|
end
|
|
|
|
|
}
|
|
|
|
|