diff options
Diffstat (limited to 'lua/telescope/config/resolve.lua')
| -rw-r--r-- | lua/telescope/config/resolve.lua | 126 |
1 files changed, 91 insertions, 35 deletions
diff --git a/lua/telescope/config/resolve.lua b/lua/telescope/config/resolve.lua index 464bffb..6881830 100644 --- a/lua/telescope/config/resolve.lua +++ b/lua/telescope/config/resolve.lua @@ -1,3 +1,8 @@ +---@tag telescope.resolve + +---@brief [[ +--- Provides "resolver functions" to allow more customisable inputs for options. +---@brief ]] --[[ @@ -40,7 +45,7 @@ height = 3. function(picker, columns, lines) -> returns one of the above options - return max.min(110, max_rows * .5) + return math.min(110, max_rows * .5) if columns > 120 then return 110 @@ -88,46 +93,80 @@ That's the next step to scrolling. local get_default = require('telescope.utils').get_default local resolver = {} +local _resolve_map = {} -local _resolve_map = { - -- Booleans - [function(val) return val == false end] = function(selector, val) - return function(...) - return val - end - end, +-- Booleans +_resolve_map[function(val) return val == false end] = function(_, val) + return function(...) + return val + end +end - -- Percentages - [function(val) return type(val) == 'number' and val >= 0 and val < 1 end] = function(selector, val) - return function(...) - local selected = select(selector, ...) - return math.floor(val * selected) - end - end, +-- Percentages +_resolve_map[function(val) return type(val) == 'number' and val >= 0 and val < 1 end] = function(selector, val) + return function(...) + local selected = select(selector, ...) + return math.floor(val * selected) + end +end - -- Numbers - [function(val) return type(val) == 'number' and val >= 1 end] = function(selector, val) - return function(...) - local selected = select(selector, ...) - return math.min(val, selected) - end - end, +-- Numbers +_resolve_map[function(val) return type(val) == 'number' and val >= 1 end] = function(selector, val) + return function(...) + local selected = select(selector, ...) + return math.min(val, selected) + end +end +-- Tables TODO: +-- ... {70, max} - -- Tables TODO: - -- ... {70, max} +-- function: +-- Function must have same signature as get_window_layout +-- function(self, max_columns, max_lines): number +-- +-- Resulting number is used for this configuration value. +_resolve_map[function(val) return type(val) == 'function' end] = function(_, val) + return val +end +-- Add padding option +_resolve_map[function(val) return type(val) == 'table' and val['padding'] ~= nil end] = function(selector, val) + local resolve_pad = function(value) + for k, v in pairs(_resolve_map) do + if k(value) then + return v(selector, value) + end + end + + error('invalid configuration option for padding:' .. tostring(value)) + end + + return function(...) + local selected = select(selector, ...) + local padding = resolve_pad(val['padding']) + return math.floor(selected - 2 * padding(...)) + end +end - -- function: - -- Function must have same signature as get_window_layout - -- function(self, max_columns, max_lines): number - -- - -- Resulting number is used for this configuration value. - [function(val) return type(val) == 'function' end] = function(selector, val) - return val - end, -} +--- Converts input to a function that returns the height. +--- The input must take one of four forms: +--- 1. 0 <= number < 1 <br> +--- This means total height as a percentage. +--- 2. 1 <= number <br> +--- This means total height as a fixed number. +--- 3. function <br> +--- Must have signature: +--- function(self, max_columns, max_lines): number +--- 4. table of the form: {padding = `foo`} <br> +--- where `foo` has one of the previous three forms. <br> +--- The height is then set to be the remaining space after padding. +--- For example, if the window has height 50, and the input is {padding = 5}, +--- the height returned will be `40 = 50 - 2*5` +--- +--- The returned function will have signature: +--- function(self, max_columns, max_lines): number resolver.resolve_height = function(val) for k, v in pairs(_resolve_map) do if k(val) then @@ -138,6 +177,23 @@ resolver.resolve_height = function(val) error('invalid configuration option for height:' .. tostring(val)) end +--- Converts input to a function that returns the width. +--- The input must take one of four forms: +--- 1. 0 <= number < 1 <br> +--- This means total width as a percentage. +--- 2. 1 <= number <br> +--- This means total width as a fixed number. +--- 3. function <br> +--- Must have signature: +--- function(self, max_columns, max_lines): number +--- 4. table of the form: {padding = `foo`} <br> +--- where `foo` has one of the previous three forms. <br> +--- The width is then set to be the remaining space after padding. +--- For example, if the window has width 100, and the input is {padding = 5}, +--- the width returned will be `90 = 100 - 2*5` +--- +--- The returned function will have signature: +--- function(self, max_columns, max_lines): number resolver.resolve_width = function(val) for k, v in pairs(_resolve_map) do if k(val) then @@ -148,8 +204,8 @@ resolver.resolve_width = function(val) error('invalid configuration option for width:' .. tostring(val)) end ---- Win option always returns a table with preview, results, and prompt. ---- It handles many different ways. Some examples are as follows: +-- Win option always returns a table with preview, results, and prompt. +-- It handles many different ways. Some examples are as follows: -- -- -- Disable -- borderschars = false |