Normalize stroke before adding keybind (#1334)

* Normalize stroke before adding keybind

* improve normalization algorithm and implement normalization in several functions

Signed-off-by: delta <darkussdelta@gmail.com>

---------

Signed-off-by: delta <darkussdelta@gmail.com>
This commit is contained in:
Delta-official 2023-08-04 13:38:33 +00:00 committed by takase1121
parent 07818934b6
commit e62a672d7e
No known key found for this signature in database
GPG Key ID: 60EEFFC68EB3031B
1 changed files with 23 additions and 4 deletions

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@ -35,6 +35,23 @@ local modkey_map = modkeys_os.map
local modkeys = modkeys_os.keys
---Normalizes a stroke sequence to follow the modkeys table
---@param stroke string
---@return string
local function normalize_stroke(stroke)
local stroke_table = {}
for modkey in stroke:gmatch("(%w+)%+") do
table.insert(stroke_table, modkey)
end
if not next(stroke_table) then
return stroke
end
table.sort(stroke_table)
local new_stroke = table.concat(stroke_table, "+") .. "+"
return new_stroke .. stroke:sub(new_stroke:len() + 1)
end
---Generates a stroke sequence including currently pressed mod keys.
---@param key string
---@return string
@ -45,10 +62,9 @@ local function key_to_stroke(key)
stroke = stroke .. mk .. "+"
end
end
return stroke .. key
return normalize_stroke(stroke) .. key
end
---Remove the given value from an array associated to a key in a table.
---@param tbl table<string, string> The table containing the key
---@param k string The key containing the array
@ -74,6 +90,7 @@ end
---@param map keymap.map
local function remove_duplicates(map)
for stroke, commands in pairs(map) do
stroke = normalize_stroke(stroke)
if type(commands) == "string" or type(commands) == "function" then
commands = { commands }
end
@ -96,11 +113,12 @@ local function remove_duplicates(map)
end
end
---Add bindings by replacing commands that were previously assigned to a shortcut.
---@param map keymap.map
function keymap.add_direct(map)
for stroke, commands in pairs(map) do
stroke = normalize_stroke(stroke)
if type(commands) == "string" or type(commands) == "function" then
commands = { commands }
end
@ -128,6 +146,7 @@ function keymap.add(map, overwrite)
if macos then
stroke = stroke:gsub("%f[%a]ctrl%f[%A]", "cmd")
end
stroke = normalize_stroke(stroke)
if overwrite then
if keymap.map[stroke] then
for _, cmd in ipairs(keymap.map[stroke]) do
@ -153,7 +172,7 @@ end
---@param shortcut string
---@param cmd string
function keymap.unbind(shortcut, cmd)
remove_only(keymap.map, shortcut, cmd)
remove_only(keymap.map, normalize_stroke(shortcut), cmd)
remove_only(keymap.reverse_map, cmd, shortcut)
end