Files
2025-03-19 05:05:27 +01:00

1609 lines
58 KiB
Lua

local Element = require('elements/Element')
---@alias MenuAction {name: string; icon: string; label?: string; filter_hidden?: boolean;}
-- Menu data structure accepted by `Menu:open(menu)`.
---@alias MenuData {id?: string; type?: string; title?: string; hint?: string; footnote: string; search_style?: 'on_demand' | 'palette' | 'disabled'; item_actions?: MenuAction[]; item_actions_place?: 'inside' | 'outside'; callback?: string[]; keep_open?: boolean; bold?: boolean; italic?: boolean; muted?: boolean; separator?: boolean; align?: 'left'|'center'|'right'; items?: MenuDataChild[]; selected_index?: integer; on_search?: string|string[]; on_paste?: string|string[]; on_move?: string|string[]; on_close?: string|string[]; search_debounce?: number|string; search_submenus?: boolean; search_suggestion?: string}
---@alias MenuDataChild MenuDataItem|MenuData
---@alias MenuDataItem {title?: string; hint?: string; icon?: string; value: any; actions?: MenuAction[]; actions_place?: 'inside' | 'outside'; active?: boolean; keep_open?: boolean; selectable?: boolean; bold?: boolean; italic?: boolean; muted?: boolean; separator?: boolean; align?: 'left'|'center'|'right'}
---@alias MenuOptions {mouse_nav?: boolean;}
-- Internal data structure created from `MenuData`.
---@alias MenuStack {id?: string; type?: string; title?: string; hint?: string; footnote: string; search_style?: 'on_demand' | 'palette' | 'disabled'; item_actions?: MenuAction[]; item_actions_place?: 'inside' | 'outside'; callback?: string[]; selected_index?: number; action_index?: number; keep_open?: boolean; bold?: boolean; italic?: boolean; muted?: boolean; separator?: boolean; align?: 'left'|'center'|'right'; items: MenuStackChild[]; on_search?: string|string[]; on_paste?: string|string[]; on_move?: string|string[]; on_close?: string|string[]; search_debounce?: number|string; search_submenus?: boolean; search_suggestion?: string; parent_menu?: MenuStack; submenu_path: integer[]; active?: boolean; width: number; height: number; top: number; scroll_y: number; scroll_height: number; title_width: number; hint_width: number; max_width: number; is_root?: boolean; fling?: Fling, search?: Search, ass_safe_title?: string}
---@alias MenuStackChild MenuStackItem|MenuStack
---@alias MenuStackItem {title?: string; hint?: string; icon?: string; value: any; actions?: MenuAction[]; actions_place?: 'inside' | 'outside'; active?: boolean; keep_open?: boolean; selectable?: boolean; bold?: boolean; italic?: boolean; muted?: boolean; separator?: boolean; align?: 'left'|'center'|'right'; title_width: number; hint_width: number; ass_safe_hint?: string}
---@alias Fling {y: number, distance: number, time: number, easing: fun(x: number), duration: number, update_cursor?: boolean}
---@alias Search {query: string; timeout: unknown; min_top: number; max_width: number; source: {width: number; top: number; scroll_y: number; selected_index?: integer; items?: MenuStackChild[]}}
---@alias MenuEventActivate {type: 'activate'; index: number; value: any; action?: string; modifiers?: string; alt: boolean; ctrl: boolean; shift: boolean; is_pointer: boolean; keep_open?: boolean; menu_id: string;}
---@alias MenuEventMove {type: 'move'; from_index: number; to_index: number; menu_id: string;}
---@alias MenuEventSearch {type: 'search'; query: string; menu_id: string;}
---@alias MenuEventKey {type: 'key'; id: string; key: string; modifiers?: string; alt: boolean; ctrl: boolean; shift: boolean; menu_id: string; selected_item?: {index: number; value: any; action?: string;}}
---@alias MenuEventPaste {type: 'paste'; value: string; menu_id: string; selected_item?: {index: number; value: any; action?: string;}}
---@alias MenuEventBack {type: 'back';}
---@alias MenuEventClose {type: 'close';}
---@alias MenuEvent MenuEventActivate | MenuEventMove | MenuEventSearch | MenuEventKey | MenuEventPaste | MenuEventBack | MenuEventClose
---@alias MenuCallback fun(data: MenuEvent)
---@class Menu : Element
local Menu = class(Element)
---@param data MenuData
---@param callback MenuCallback
---@param opts? MenuOptions
function Menu:open(data, callback, opts)
local open_menu = Menu:is_open()
if open_menu then
open_menu.is_being_replaced = true
open_menu:close(true)
end
return Menu:new(data, callback, opts)
end
---@param menu_type? string
---@return Menu|nil
function Menu:is_open(menu_type)
return Elements.menu and (not menu_type or Elements.menu.type == menu_type) and Elements.menu or nil
end
---@param immediate? boolean Close immediately without fadeout animation.
---@param callback? fun() Called after the animation (if any) ends and element is removed and destroyed.
---@overload fun(callback: fun())
function Menu:close(immediate, callback)
if type(immediate) ~= 'boolean' then callback = immediate end
local menu = self == Menu and Elements.menu or self
if menu and not menu.destroyed then
if menu.is_closing then
menu:tween_stop()
return
end
local function close()
local on_close = menu.root.on_close -- removed in menu:destroy()
Elements:remove('menu') -- calls menu:destroy() under the hood
Elements:update_proximities()
cursor:queue_autohide()
-- Call :close() callback
if callback then callback() end
-- Call callbacks/events defined on menu config
local close_event = {type = 'close'}
if not on_close or menu:command_or_event(on_close, {}, close_event) ~= 'event' then
menu.callback(close_event)
end
request_render()
end
menu.is_closing = true
if immediate then
close()
else
menu:fadeout(close)
end
end
end
---@param data MenuData
---@param callback MenuCallback
---@param opts? MenuOptions
---@return Menu
function Menu:new(data, callback, opts) return Class.new(self, data, callback, opts) --[[@as Menu]] end
---@param data MenuData
---@param callback MenuCallback
---@param opts? MenuOptions
function Menu:init(data, callback, opts)
Element.init(self, 'menu', {render_order = 1001})
-----@type fun()
self.callback = callback
self.opts = opts or {}
self.offset_x = 0 -- Used for submenu transition animation.
self.mouse_nav = self.opts.mouse_nav -- Stops pre-selecting items
self.item_height = nil
self.min_width = nil
self.item_spacing = 1
self.item_padding = nil
self.separator_size = nil
self.padding = nil
self.gap = nil
self.font_size = nil
self.font_size_hint = nil
self.scroll_step = nil -- Item height + item spacing.
self.scroll_height = nil -- Items + spacings - container height.
self.opacity = 0 -- Used to fade in/out.
self.type = data.type
---@type MenuStack Root MenuStack.
self.root = nil
---@type MenuStack Current MenuStack.
self.current = nil
---@type MenuStack[] All menus in a flat array.
self.all = nil
---@type table<string, MenuStack> Map of submenus by their ids, such as `'Tools > Aspect ratio'`.
self.by_id = {}
self.type_to_search = options.menu_type_to_search
self.is_being_replaced = false
self.is_closing = false
self.drag_last_y = nil
self.is_dragging = false
if utils.shared_script_property_set then
utils.shared_script_property_set('uosc-menu-type', self.type or 'undefined')
end
mp.set_property_native('user-data/uosc/menu/type', self.type or 'undefined')
self:update(data)
for _, menu in ipairs(self.all) do self:scroll_to_index(menu.selected_index, menu.id) end
if self.mouse_nav then self.current.selected_index = nil end
self:tween_property('opacity', 0, 1)
self:enable_key_bindings()
Elements:maybe('curtain', 'register', self.id)
end
function Menu:destroy()
Element.destroy(self)
self.is_closing = false
if not self.is_being_replaced then Elements:maybe('curtain', 'unregister', self.id) end
if utils.shared_script_property_set then
utils.shared_script_property_set('uosc-menu-type', nil)
end
mp.set_property_native('user-data/uosc/menu/type', nil)
end
---@param data MenuData
function Menu:update(data)
local new_root = {is_root = true, submenu_path = {}}
local new_all = {}
local new_menus = {} -- menus that didn't exist before this `update()`
local new_by_id = {}
local menus_to_serialize = {{new_root, data}}
local old_current_id = self.current and self.current.id
local menu_state_props = {'selected_index', 'action_index', 'scroll_y', 'fling', 'search'}
local internal_props_set = create_set(itable_append({'is_root', 'submenu_path', 'id', 'items'}, menu_state_props))
table_assign_exclude(new_root, data, internal_props_set)
local i = 0
while i < #menus_to_serialize do
i = i + 1
local menu, menu_data = menus_to_serialize[i][1], menus_to_serialize[i][2]
local parent_id = menu.parent_menu and not menu.parent_menu.is_root and menu.parent_menu.id
if menu_data.id then
menu.id = menu_data.id
elseif not menu.is_root then
menu.id = (parent_id and parent_id .. ' > ' or '') .. (menu_data.title or i)
else
menu.id = '{root}'
end
menu.icon = 'chevron_right'
-- Normalize `search_debounce`
if type(menu_data.search_debounce) == 'number' then
menu.search_debounce = math.max(0, menu_data.search_debounce --[[@as number]])
elseif menu_data.search_debounce == 'submit' then
menu.search_debounce = 'submit'
else
menu.search_debounce = menu.on_search and 300 or 0
end
-- Update items
local first_active_index = nil
menu.items = {
{title = t('Empty'), value = 'ignore', italic = 'true', muted = 'true', selectable = false, align = 'center'},
}
for i, item_data in ipairs(menu_data.items or {}) do
if item_data.active and not first_active_index then first_active_index = i end
local item = {}
table_assign_exclude(item, item_data, internal_props_set)
if item.keep_open == nil then item.keep_open = menu.keep_open end
-- Submenu
if item_data.items then
item.parent_menu = menu
item.submenu_path = itable_join(menu.submenu_path, {i})
menus_to_serialize[#menus_to_serialize + 1] = {item, item_data}
end
menu.items[i] = item
end
if menu.is_root then menu.selected_index = menu_data.selected_index or first_active_index end
-- Retain old state
local old_menu = self.by_id[menu.id]
if old_menu then
table_assign_props(menu, old_menu, menu_state_props)
else
new_menus[#new_menus + 1] = menu
end
new_all[#new_all + 1] = menu
new_by_id[menu.id] = menu
end
self.root, self.all, self.by_id = new_root, new_all, new_by_id
self.current = self.by_id[old_current_id] or self.root
self:update_content_dimensions()
self:reset_navigation()
-- Ensure palette menus have active searches, and clean empty searches from menus that lost the `palette` flag
local update_dimensions_again = false
for _, menu in ipairs(self.all) do
local is_palette = menu.search_style == 'palette'
if not menu.search and (is_palette or (menu.search_suggestion and itable_index_of(new_menus, menu))) then
update_dimensions_again = true
self:search_init(menu.id)
elseif not is_palette and menu.search and menu.search.query == '' then
update_dimensions_again = true
menu.search = nil
end
end
-- We update before _and_ after because search_inits need the initial un-searched
-- menu's position and scroll state to save on the `search.source` table.
if update_dimensions_again then
self:update_content_dimensions()
self:reset_navigation()
end
-- Apply search suggestions
for _, menu in ipairs(new_menus) do
if menu.search_suggestion then menu.search.query = menu.search_suggestion end
end
for _, menu in ipairs(self.all) do
if menu.search then
-- the menu items are new objects and the search needs to contain those
menu.search.source.items = not menu.on_search and menu.items or nil
-- Only internal searches are immediately submitted
if not menu.on_search then self:search_internal(menu.id, true) end
end
if menu.selected_index then self:select_by_offset(0, menu) end
end
self:search_ensure_key_bindings()
end
---@param items MenuDataChild[]
function Menu:update_items(items)
local data = table_assign({}, self.root)
data.items = items
self:update(data)
end
function Menu:update_content_dimensions()
self.item_height = round(options.menu_item_height * state.scale)
self.min_width = round(options.menu_min_width * state.scale)
self.separator_size = round(1 * state.scale)
self.scrollbar_size = round(2 * state.scale)
self.padding = round(options.menu_padding * state.scale)
self.gap = round(2 * state.scale)
self.font_size = round(self.item_height * 0.48 * options.font_scale)
self.font_size_hint = self.font_size - 1
self.item_padding = round((self.item_height - self.font_size) * 0.6)
self.scroll_step = self.item_height + self.item_spacing
local title_opts = {size = self.font_size, italic = false, bold = false}
local hint_opts = {size = self.font_size_hint}
for _, menu in ipairs(self.all) do
title_opts.bold, title_opts.italic = true, false
local max_width = text_width(menu.title, title_opts) + 2 * self.padding + 2 * self.item_padding
-- Estimate width of a widest item
for _, item in ipairs(menu.items) do
local icon_width = item.icon and self.font_size or 0
item.title_width = text_width(item.title, title_opts)
item.hint_width = text_width(item.hint, hint_opts)
local spacings_in_item = 1 + (item.title_width > 0 and 1 or 0)
+ (item.hint_width > 0 and 1 or 0) + (icon_width > 0 and 1 or 0)
local estimated_width = item.title_width + item.hint_width + icon_width
+ (self.item_padding * spacings_in_item)
if estimated_width > max_width then max_width = estimated_width end
end
menu.max_width = max_width + 2 * self.padding
end
self:update_dimensions()
end
function Menu:update_dimensions()
-- Coordinates and sizes are of the scrollable area. Title is rendered
-- above it, so we need to account for that in max_height and ay position.
-- This is a debt from an era where we had different cursor event handling,
-- and dumb titles with no search inputs. It could use a refactor.
local margin = round(self.item_height / 2)
local external_buttons_reserve = display.width / self.item_height > 14 and self.scroll_step * 6 - margin * 2 or 0
local width_available = display.width - margin * 2 - external_buttons_reserve
local height_available = display.height - margin * 2
local min_width = math.min(self.min_width, width_available)
for _, menu in ipairs(self.all) do
local width = math.max(menu.search and menu.search.max_width or 0, menu.max_width)
menu.width = round(clamp(min_width, width, width_available))
local title_height = (menu.is_root and menu.title or menu.search) and self.scroll_step + self.padding or 0
local footnote_height = self.font_size * 1.5
local max_height = height_available - title_height - footnote_height
local content_height = self.scroll_step * #menu.items
menu.height = math.min(content_height - self.item_spacing, max_height)
menu.top = clamp(
title_height + margin,
menu.search and math.min(menu.search.min_top, menu.search.source.top) or height_available,
round((height_available - menu.height + title_height) / 2)
)
if menu.search then
menu.search.min_top = math.min(menu.search.min_top, menu.top)
menu.search.max_width = math.max(menu.search.max_width, menu.width)
end
menu.scroll_height = math.max(content_height - menu.height - self.item_spacing, 0)
self:set_scroll_to(menu.scroll_y, menu.id) -- clamps scroll_y to scroll limits
end
self:update_coordinates()
end
-- Updates element coordinates to match currently open (sub)menu.
function Menu:update_coordinates()
local ax = round((display.width - self.current.width) / 2) + self.offset_x
self:set_coordinates(ax, self.current.top, ax + self.current.width, self.current.top + self.current.height)
end
function Menu:reset_navigation()
local menu = self.current
-- Reset indexes and scroll
self:set_scroll_to(menu.scroll_y) -- clamps scroll_y to scroll limits
if menu.items and #menu.items > 0 then
-- Normalize existing selected_index always, and force it only in keyboard navigation
if not self.mouse_nav then
self:select_by_offset(0)
end
else
self:select_index(nil)
end
-- Walk up the parent menu chain and activate items that lead to current menu
local parent = menu.parent_menu
while parent do
parent.selected_index = itable_index_of(parent.items, menu)
menu, parent = parent, parent.parent_menu
end
request_render()
end
function Menu:set_offset_x(offset)
local delta = offset - self.offset_x
self.offset_x = offset
self:set_coordinates(self.ax + delta, self.ay, self.bx + delta, self.by)
end
function Menu:fadeout(callback) self:tween_property('opacity', 1, 0, callback) end
-- If `menu_id` is provided, will return menu with that id or `nil`. If `menu_id` is `nil`, will return current menu.
---@param menu_id? string
---@return MenuStack | nil
function Menu:get_menu(menu_id) return menu_id == nil and self.current or self.by_id[menu_id] end
function Menu:get_first_active_index(menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
for index, item in ipairs(menu.items) do
if item.active then return index end
end
end
---@param pos? number
---@param menu_id? string
function Menu:set_scroll_to(pos, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
menu.scroll_y = clamp(0, pos or 0, menu.scroll_height)
request_render()
end
---@param delta? number
---@param menu_id? string
function Menu:set_scroll_by(delta, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
self:set_scroll_to(menu.scroll_y + delta, menu_id)
end
---@param pos? number
---@param menu_id? string
---@param fling_options? table
function Menu:scroll_to(pos, menu_id, fling_options)
local menu = self:get_menu(menu_id)
if not menu then return end
menu.fling = {
y = menu.scroll_y,
distance = clamp(-menu.scroll_y, pos - menu.scroll_y, menu.scroll_height - menu.scroll_y),
time = mp.get_time(),
duration = 0.1,
easing = ease_out_sext,
}
if fling_options then table_assign(menu.fling, fling_options) end
request_render()
end
---@param delta? number
---@param menu_id? string
---@param fling_options? Fling
function Menu:scroll_by(delta, menu_id, fling_options)
local menu = self:get_menu(menu_id)
if not menu then return end
self:scroll_to((menu.fling and (menu.fling.y + menu.fling.distance) or menu.scroll_y) + delta, menu_id, fling_options)
end
---@param index? integer
---@param menu_id? string
---@param immediate? boolean
function Menu:scroll_to_index(index, menu_id, immediate)
local menu = self:get_menu(menu_id)
if not menu then return end
if (index and index >= 1 and index <= #menu.items) then
local position = round((self.scroll_step * (index - 1)) - ((menu.height - self.scroll_step) / 2))
if immediate then
self:set_scroll_to(position, menu_id)
else
self:scroll_to(position, menu_id)
end
end
end
---@param index? integer
---@param menu_id? string
function Menu:select_index(index, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
menu.selected_index = (index and index >= 1 and index <= #menu.items) and index or nil
self:select_action(menu.action_index, menu_id) -- normalize selected action index
request_render()
end
---@param index? integer
---@param menu_id? string
function Menu:select_action(index, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
local actions = menu.items[menu.selected_index] and menu.items[menu.selected_index].actions or menu.item_actions
if not index or not actions or type(actions) ~= 'table' or index < 1 or index > #actions then
menu.action_index = nil
return
end
menu.action_index = index
request_render()
end
---@param delta? integer
---@param menu_id? string
function Menu:navigate_action(delta, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
local actions = menu.items[menu.selected_index] and menu.items[menu.selected_index].actions or menu.item_actions
if actions and delta ~= 0 then
-- Circular navigation where zero gets converted to nil
local index = (menu.action_index or (delta > 0 and 0 or #actions + 1)) + delta
self:select_action(index <= #actions and index > 0 and (index - 1) % #actions + 1 or nil, menu_id)
else
self:select_action(nil, menu_id)
end
request_render()
end
function Menu:next_action() self:navigate_action(1) end
function Menu:prev_action() self:navigate_action(-1) end
---@param value? any
---@param menu_id? string
function Menu:select_value(value, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
local index = itable_find(menu.items, function(item) return item.value == value end)
self:select_index(index)
end
---@param menu_id? string
function Menu:deactivate_items(menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
for _, item in ipairs(menu.items) do item.active = false end
request_render()
end
---@param index? integer
---@param menu_id? string
function Menu:activate_index(index, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
if index and index >= 1 and index <= #menu.items then menu.items[index].active = true end
request_render()
end
---@param index? integer
---@param menu_id? string
function Menu:activate_one_index(index, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
self:activate_index(index, menu_id)
end
---@param value? any
---@param menu_id? string
function Menu:activate_value(value, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
local index = itable_find(menu.items, function(item) return item.value == value end)
self:activate_index(index, menu_id)
end
---@param value? any
---@param menu_id? string
function Menu:activate_one_value(value, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
local index = itable_find(menu.items, function(item) return item.value == value end)
self:activate_one_index(index, menu_id)
end
---@param id string One of menus in `self.all`.
function Menu:activate_menu(id)
local menu = self:get_menu(id)
if menu then
self.current = menu
self:update_coordinates()
self:reset_navigation()
self:search_ensure_key_bindings()
local parent = menu.parent_menu
while parent do
parent.selected_index = itable_index_of(parent.items, menu)
self:scroll_to_index(parent.selected_index, parent)
menu, parent = parent, parent.parent_menu
end
request_render()
end
end
---@param index? integer
---@param menu_id? string
function Menu:delete_index(index, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
if (index and index >= 1 and index <= #menu.items) then
table.remove(menu.items, index)
self:update_content_dimensions()
self:scroll_to_index(menu.selected_index, menu_id)
end
end
---@param value? any
---@param menu_id? string
function Menu:delete_value(value, menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
local index = itable_find(menu.items, function(item) return item.value == value end)
self:delete_index(index)
end
---@param id string Menu id.
---@param x number `x` coordinate to slide from.
function Menu:slide_in_menu(id, x)
local menu = self:get_menu(id)
if not menu then return end
self:activate_menu(id)
self:tween(-(display.width / 2 - menu.width / 2 - x), 0, function(offset) self:set_offset_x(offset) end)
self.opacity = 1 -- in case tween above canceled fade in animation
end
function Menu:back()
if not self:is_alive() then return end
local current = self.current
local parent = current.parent_menu
if parent then
self:slide_in_menu(parent.id, display.width / 2 - current.width / 2 - parent.width / 2 + self.offset_x)
else
self.callback({type = 'back'})
end
end
---@param shortcut? Shortcut
---@param is_pointer? boolean Whether this was called by a pointer.
function Menu:activate_selected_item(shortcut, is_pointer)
local menu = self.current
local item = menu.items[menu.selected_index]
if item then
-- Is submenu
if item.items then
if not self.mouse_nav then
self:select_index(1, item.id)
end
self:activate_menu(item.id)
self:tween(self.offset_x + menu.width / 2, 0, function(offset) self:set_offset_x(offset) end)
self.opacity = 1 -- in case tween above canceled fade in animation
else
local actions = item.actions or menu.item_actions
local action = actions and actions[menu.action_index]
self.callback({
type = 'activate',
index = menu.selected_index,
value = item.value,
is_pointer = is_pointer == true,
action = action and action.name,
keep_open = item.keep_open or menu.keep_open,
modifiers = shortcut and shortcut.modifiers or nil,
alt = shortcut and shortcut.alt or false,
ctrl = shortcut and shortcut.ctrl or false,
shift = shortcut and shortcut.shift or false,
menu_id = menu.id,
})
end
end
end
---@param index integer
function Menu:move_selected_item_to(index)
if self.current.search then return end -- Moving filtered items is an undefined behavior
local callback = self.current.on_move
local from, items_count = self.current.selected_index, self.current.items and #self.current.items or 0
if callback and from and from ~= index and index >= 1 and index <= items_count then
local event = {type = 'move', from_index = from, to_index = index, menu_id = self.current.id}
self:command_or_event(callback, {from, index, self.current.id}, event)
self:select_index(index, self.current.id)
self:scroll_to_index(index, self.current.id, true)
end
end
---@param delta number
function Menu:move_selected_item_by(delta)
local current_index, items_count = self.current.selected_index, self.current.items and #self.current.items or 0
if current_index and items_count > 1 then
local new_index = clamp(1, current_index + delta, items_count)
if current_index ~= new_index then
self:move_selected_item_to(new_index)
end
end
end
function Menu:on_display() self:update_dimensions() end
function Menu:on_prop_fullormaxed() self:update_content_dimensions() end
function Menu:on_options() self:update_content_dimensions() end
function Menu:handle_cursor_down()
if self.proximity_raw == 0 then
self.drag_last_y = cursor.y
self.current.fling = nil
else
self:close()
end
end
---@param shortcut? Shortcut
function Menu:handle_cursor_up(shortcut)
if self.proximity_raw == 0 and self.drag_last_y and not self.is_dragging then
self:activate_selected_item(shortcut, true)
end
if self.is_dragging then
local distance = cursor:get_velocity().y / -3
if math.abs(distance) > 50 then
self.current.fling = {
y = self.current.scroll_y,
distance = distance,
time = cursor.history:head().time,
easing = ease_out_quart,
duration = 0.5,
update_cursor = true,
}
request_render()
end
end
self.is_dragging = false
self.drag_last_y = nil
end
function Menu:on_global_mouse_move()
self.mouse_nav = true
if self.drag_last_y then
self.is_dragging = self.is_dragging or math.abs(cursor.y - self.drag_last_y) >= 10
local distance = self.drag_last_y - cursor.y
if distance ~= 0 then self:set_scroll_by(distance) end
if self.is_dragging then self.drag_last_y = cursor.y end
end
request_render()
end
function Menu:handle_wheel_up() self:scroll_by(self.scroll_step * -3, nil, {update_cursor = true}) end
function Menu:handle_wheel_down() self:scroll_by(self.scroll_step * 3, nil, {update_cursor = true}) end
---@param offset integer
---@param menu? MenuStack
function Menu:select_by_offset(offset, menu)
menu = menu or self.current
-- Blur selected_index when navigating off bounds and submittable search is active.
-- Blurred selected_index is an implied focused input, so enter can submit it.
if menu.search and menu.search_debounce == 'submit' and (
(menu.selected_index == 1 and offset < 0) or (menu.selected_index == #menu.items and offset > 0)
) then
self:select_index(nil, menu.id)
else
local index = clamp(1, (menu.selected_index or offset >= 0 and 0 or #menu.items + 1) + offset, #menu.items)
local prev_index = itable_find(menu.items, function(item) return item.selectable ~= false end, index, 1)
local next_index = itable_find(menu.items, function(item) return item.selectable ~= false end, index)
if prev_index and next_index then
if offset == 0 then
self:select_index(index - prev_index <= next_index - index and prev_index or next_index, menu.id)
elseif offset > 0 then
self:select_index(next_index, menu.id)
else
self:select_index(prev_index, menu.id)
end
else
self:select_index(prev_index or next_index or nil, menu.id)
end
end
request_render()
end
---@param offset integer
---@param immediate? boolean
function Menu:navigate_by_offset(offset, immediate)
self:select_by_offset(offset)
if self.current.selected_index then
self:scroll_to_index(self.current.selected_index, self.current.id, immediate)
end
end
function Menu:paste()
local menu = self.current
local payload = get_clipboard()
if not payload then return end
if menu.on_paste then
local selected_item = menu.items and menu.selected_index and menu.items[menu.selected_index]
local actions = selected_item and selected_item.actions or menu.item_actions
local selected_action = actions and menu.action_index and actions[menu.action_index]
self:command_or_event(menu.on_paste, {payload, menu.id}, {
type = 'paste',
value = payload,
menu_id = menu.id,
selected_item = selected_item and {
index = menu.selected_index, value = selected_item.value, action = selected_action,
},
})
elseif menu.search then
self:search_query_update(menu.search.query .. payload)
elseif menu.search_style ~= 'disabled' then
self:search_start(menu.id)
self:search_query_update(payload, menu.id)
end
end
---@param menu_id string
---@param no_select_first? boolean
function Menu:search_internal(menu_id, no_select_first)
local menu = self:get_menu(menu_id)
if not menu then return end
local query = menu.search.query:lower()
if query == '' then
-- Reset menu state to what it was before search
for key, value in pairs(menu.search.source) do menu[key] = value end
else
-- Inherit `search_submenus` from parent menus
local search_submenus, parent_menu = menu.search_submenus, menu.parent_menu
while not search_submenus and parent_menu do
search_submenus, parent_menu = parent_menu.search_submenus, parent_menu.parent_menu
end
menu.items = search_items(menu.search.source.items, query, search_submenus)
-- Select 1st item in search results
if not no_select_first then
menu.scroll_y = 0
self:select_index(1, menu_id)
end
end
self:update_content_dimensions()
end
---@param items MenuStackChild[]
---@param query string
---@param recursive? boolean
---@param prefix? string
---@return MenuStackChild[]
function search_items(items, query, recursive, prefix)
local result = {}
local concat = table.concat
for _, item in ipairs(items) do
if item.selectable ~= false then
local prefixed_title = prefix and prefix .. ' / ' .. (item.title or '') or item.title
if item.items and recursive then
itable_append(result, search_items(item.items, query, recursive, prefixed_title))
else
local title = item.title and item.title:lower()
local hint = item.hint and item.hint:lower()
local initials_title = title and concat(initials(title)) --[[@as string]]
local romanization = need_romanization()
if romanization then
ligature_conv_title = title and char_conv(title, true)
initials_conv_title = title and concat(initials(char_conv(title, false)))
end
if title and title:find(query, 1, true) or
title and romanization and ligature_conv_title:find(query, 1, true) or
hint and hint:find(query, 1, true) or
title and initials_title:find(query, 1, true) or
title and romanization and initials_conv_title:find(query, 1, true) or
hint and concat(initials(hint)):find(query, 1, true) then
item = table_assign({}, item)
item.title = prefixed_title
item.ass_safe_title = nil
result[#result + 1] = item
end
end
end
end
return result
end
---@param menu_id? string
function Menu:search_submit(menu_id)
local menu = self:get_menu(menu_id)
if not menu or not menu.search then return end
local callback, query = menu.on_search, menu.search.query
if callback then
self:command_or_event(callback, {query, menu.id}, {type = 'search', query = query, menu_id = menu.id})
else
self:search_internal(menu.id)
end
end
---@param query string
---@param menu_id? string
---@param immediate? boolean
function Menu:search_query_update(query, menu_id, immediate)
local menu = self:get_menu(menu_id)
if not menu or not menu.search then return end
menu.search.query = query
if menu.search_debounce ~= 'submit' then
if menu.search.timeout then menu.search.timeout:kill() end
if menu.search.timeout and not immediate then
menu.search.timeout:resume()
else
self:search_submit(menu_id)
end
else
-- `search_debounce='submit'` behavior: We blur selected item when query
-- changes to let [enter] key submit searches instead of activating items.
self:select_index(nil, menu.id)
end
request_render()
end
---@param event? string
---@param word_mode? boolean Delete by words.
function Menu:search_backspace(event, word_mode)
local pos, old_query = #self.current.search.query, self.current.search.query
local is_palette = self.current.search_style == 'palette'
if word_mode and #old_query > 1 then
local word_pat, other_pat = '[^%c%s%p]+$', '[%c%s%p]+$'
local init_pat = old_query:sub(#old_query):match(word_pat) and word_pat or other_pat
-- First we match all same type consecutive chars at the end
local tail = old_query:match(init_pat) or ''
-- If there's only one, we extend the tail with opposite type chars
if tail and #tail == 1 then
tail = tail .. old_query:sub(1, #old_query - #tail):match(init_pat == word_pat and other_pat or word_pat)
end
pos = pos - #tail
else
-- The while loop is for skipping utf8 continuation bytes
while pos > 1 and old_query:byte(pos) >= 0x80 and old_query:byte(pos) <= 0xbf do
pos = pos - 1
end
pos = pos - 1
end
local new_query = old_query:sub(1, pos)
if new_query ~= old_query and (is_palette or not self.type_to_search or pos > 0) then
self:search_query_update(new_query)
elseif not is_palette and self.type_to_search then
self:search_cancel()
elseif is_palette and event ~= 'repeat' then
self:back()
end
end
function Menu:search_text_input(info)
local menu = self.current
if not menu.search and menu.search_style == 'disabled' then return end
if info.event ~= 'up' then
local key_text = info.key_text
if not key_text then
-- might be KP0 to KP9 or KP_DEC
key_text = info.key_name:match('KP_?(.+)')
if not key_text then return end
if key_text == 'DEC' then key_text = '.' end
end
if not menu.search then self:search_start() end
self:search_query_update(menu.search.query .. key_text)
end
end
---@param menu_id? string
function Menu:search_cancel(menu_id)
local menu = self:get_menu(menu_id)
if not menu or not menu.search or menu.search_style == 'palette' then return end
if state.ime_active == false then
mp.set_property_bool("input-ime", false)
end
self:search_query_update('', menu_id, true)
menu.search = nil
self:search_ensure_key_bindings()
self:update_dimensions()
self:reset_navigation()
end
---@param menu_id? string
function Menu:search_init(menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
if menu.search then return end
local timeout
if menu.search_debounce ~= 'submit' and menu.search_debounce > 0 then
timeout = mp.add_timeout(menu.search_debounce / 1000, self:create_action(function()
self:search_submit(menu.id)
end))
timeout:kill()
end
menu.search = {
query = '',
timeout = timeout,
min_top = menu.top,
max_width = menu.width,
source = {
width = menu.width,
top = menu.top,
scroll_y = menu.scroll_y,
selected_index = menu.selected_index,
items = not menu.on_search and menu.items or nil,
},
}
end
---@param menu_id? string
function Menu:search_start(menu_id)
local menu = self:get_menu(menu_id)
if not menu or menu.search_style == 'disabled' then return end
if state.ime_active == false then
mp.set_property_bool("input-ime", true)
end
self:search_init(menu_id)
self:search_ensure_key_bindings()
self:update_dimensions()
end
---@param menu_id? string
function Menu:search_clear_query(menu_id)
local menu = self:get_menu(menu_id)
if not menu then return end
if not self.current.search_style == 'palette' and self.type_to_search then
self:search_cancel(menu_id)
else
self:search_query_update('', menu_id)
end
end
function Menu:search_enable_key_bindings()
if self:has_keybindings('search') then return end
local flags = {repeatable = true, complex = true}
self:add_key_binding('any_unicode', {self:create_key_handler('search_text_input'), flags}, 'search')
-- KP0 to KP9 and KP_DEC are not included in any_unicode
-- despite typically producing characters, they don't have a info.key_text
self:add_key_binding('kp_dec', {self:create_key_handler('search_text_input'), flags}, 'search')
for i = 0, 9 do
self:add_key_binding('kp' .. i, {self:create_key_handler('search_text_input'), flags}, 'search')
end
end
function Menu:search_ensure_key_bindings()
if self.current.search or (self.type_to_search and self.current.search_style ~= 'disabled') then
self:search_enable_key_bindings()
else
self:remove_key_bindings('search')
end
end
function Menu:enable_key_bindings()
-- `+` at the end enables `repeatable` flag
local standalone_keys = {
'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10', 'f11', 'f12', '/', 'kp_divide', 'mbtn_back',
{'f', 'ctrl'}, {'v', 'ctrl'}, {'c', 'ctrl'},
}
local modifiable_keys = {'up+', 'down+', 'left', 'right', 'enter', 'kp_enter', 'bs', 'tab', 'esc', 'pgup+',
'pgdwn+', 'home', 'end', 'del'}
local modifiers = {nil, 'alt', 'alt+ctrl', 'alt+shift', 'alt+ctrl+shift', 'ctrl', 'ctrl+shift', 'shift'}
local normalized = {kp_enter = 'enter'}
local function bind(key, modifier, flags)
local binding = modifier and modifier .. '+' .. key or key
local shortcut = create_shortcut(normalized[key] or key, modifier)
local handler = self:create_action(function(info) self:handle_shortcut(shortcut, info) end)
self:add_key_binding(binding, {handler, flags})
end
for i, key_mods in ipairs(standalone_keys) do
local is_table = type(key_mods) == 'table'
local key, mods = is_table and key_mods[1] or key_mods, is_table and key_mods[2] or nil
bind(key, mods, {repeatable = false, complex = true})
end
for i, key in ipairs(modifiable_keys) do
local flags = {repeatable = false, complex = true}
if key:sub(-1) == '+' then
key = key:sub(1, -2)
flags.repeatable = true
end
for j = 1, #modifiers do
bind(key, modifiers[j], flags)
end
end
self:search_ensure_key_bindings()
end
-- Handles all key and mouse button shortcuts, except unicode inputs.
---@param shortcut Shortcut
---@param info ComplexBindingInfo
function Menu:handle_shortcut(shortcut, info)
if not self:is_alive() then return end
self.mouse_nav = info.is_mouse
local menu, id, key, modifiers = self.current, shortcut.id, shortcut.key, shortcut.modifiers
local selected_index = menu.selected_index
local selected_item = menu and selected_index and menu.items[selected_index]
local is_submenu = selected_item and selected_item.items ~= nil
local actions = selected_item and selected_item.actions or menu.item_actions
local selected_action = actions and menu.action_index and actions[menu.action_index]
if info.event == 'up' then return end
if (key == 'enter' and selected_item) or (id == 'right' and is_submenu) then
self:activate_selected_item(shortcut)
elseif id == 'enter' and menu.search and menu.search_debounce == 'submit' then
self:search_submit()
elseif id == 'up' or id == 'down' then
self:navigate_by_offset(id == 'up' and -1 or 1, true)
elseif id == 'pgup' or id == 'pgdwn' then
local items_per_page = round((menu.height / self.scroll_step) * 0.4)
self:navigate_by_offset(items_per_page * (id == 'pgup' and -1 or 1))
elseif id == 'home' or id == 'end' then
self:navigate_by_offset(id == 'home' and -math.huge or math.huge)
elseif id == 'shift+tab' then
self:prev_action()
elseif id == 'tab' then
self:next_action()
elseif id == 'ctrl+up' then
self:move_selected_item_by(-1)
elseif id == 'ctrl+down' then
self:move_selected_item_by(1)
elseif id == 'ctrl+pgup' then
self:move_selected_item_by(-round((menu.height / self.scroll_step) * 0.4))
elseif id == 'ctrl+pgdwn' then
self:move_selected_item_by(round((menu.height / self.scroll_step) * 0.4))
elseif id == 'ctrl+home' then
self:move_selected_item_by(-math.huge)
elseif id == 'ctrl+end' then
self:move_selected_item_by(math.huge)
elseif id == '/' or id == 'kp_divide' or id == 'ctrl+f' then
self:search_start()
elseif key == 'esc' then
if menu.search and menu.search_style ~= 'palette' then
self:search_cancel()
else
self:close()
end
elseif id == 'left' and menu.parent_menu then
self:back()
elseif key == 'bs' then
if menu.search then
if modifiers == 'shift' then
self:search_clear_query()
elseif not modifiers or modifiers == 'ctrl' then
self:search_backspace(info.event, modifiers == 'ctrl')
end
elseif not modifiers and info.event ~= 'repeat' then
self:back()
end
elseif key == 'mbtn_back' then
self:back()
elseif id == 'ctrl+v' then
self:paste()
else
self.callback(table_assign({}, shortcut, {
type = 'key',
menu_id = menu.id,
selected_item = selected_item and {
index = selected_index, value = selected_item.value, action = selected_action,
},
}))
end
end
-- Check if menu is not closed or closing.
function Menu:is_alive() return not self.is_closing and not self.destroyed end
---@param name string
function Menu:create_key_handler(name)
return self:create_action(function(...)
self.mouse_nav = false
self:maybe(name, ...)
end)
end
-- Sends command with params, or triggers a callback event if `command == 'callback'`.
-- Intended to handle `on_{event}: 'callback' | string | string[]` events.
-- Returns what happened.
---@param command string|number|string[]|number[]
---@param params string[]|number[]
---@param event MenuEvent
---@return 'event' | 'command' | nil
function Menu:command_or_event(command, params, event)
if command == 'callback' then
self.callback(event)
return 'event'
elseif type(command) == 'table' then
---@diagnostic disable-next-line: deprecated
mp.command_native(itable_join(command, params))
return 'command'
elseif type(command) == 'string' then
mp.command(command .. ' ' .. table.concat(params, ' '))
return 'command'
end
return nil
end
function Menu:render()
for _, menu in ipairs(self.all) do
if menu.fling then
local time_delta = state.render_last_time - menu.fling.time
local progress = menu.fling.easing(math.min(time_delta / menu.fling.duration, 1))
self:set_scroll_to(round(menu.fling.y + menu.fling.distance * progress), menu.id)
if progress < 1 then request_render() else menu.fling = nil end
end
end
local display_rect = {ax = 0, ay = 0, bx = display.width, by = display.height}
cursor:zone('primary_down', display_rect, self:create_action(function() self:handle_cursor_down() end))
cursor:zone('primary_up', display_rect, self:create_action(function(shortcut) self:handle_cursor_up(shortcut) end))
cursor:zone('wheel_down', self, function() self:handle_wheel_down() end)
cursor:zone('wheel_up', self, function() self:handle_wheel_up() end)
local ass = assdraw.ass_new()
local spacing = self.item_padding
local icon_size = self.font_size
---@param menu MenuStack
---@param x number
---@param pos number Horizontal position index. 0 = current menu, <0 parent menus, >1 submenu.
local function draw_menu(menu, x, pos)
local is_current, is_parent, is_submenu = pos == 0, pos < 0, pos > 0
local menu_opacity = (pos == 0 and 1 or config.opacity.submenu ^ math.abs(pos)) * self.opacity
local ax, ay, bx, by = x, menu.top, x + menu.width, menu.top + menu.height
local draw_title = menu.is_root and menu.title or menu.search
local scroll_clip = '\\clip(0,' .. ay .. ',' .. display.width .. ',' .. by .. ')'
local start_index = math.floor(menu.scroll_y / self.scroll_step) + 1
local end_index = math.ceil((menu.scroll_y + menu.height) / self.scroll_step)
local menu_rect = {
ax = ax,
ay = ay - (draw_title and self.scroll_step + self.padding or 0) - self.padding,
bx = bx,
by = by + self.padding,
}
local blur_action_index = self.mouse_nav and menu.action_index ~= nil
-- Background
ass:rect(menu_rect.ax, menu_rect.ay, menu_rect.bx, menu_rect.by, {
color = bg,
opacity = menu_opacity * config.opacity.menu,
radius = state.radius > 0 and state.radius + self.padding or 0,
})
if is_parent then
cursor:zone('primary_down', menu_rect, self:create_action(function() self:slide_in_menu(menu.id, x) end))
end
-- Scrollbar
if menu.scroll_height > 0 then
local groove_height = menu.height - 2
local thumb_height = math.max((menu.height / (menu.scroll_height + menu.height)) * groove_height, 40)
local thumb_y = ay + 1 + ((menu.scroll_y / menu.scroll_height) * (groove_height - thumb_height))
local sax = bx - round(self.scrollbar_size / 2)
local sbx = sax + self.scrollbar_size
ass:rect(sax, thumb_y, sbx, thumb_y + thumb_height, {color = fg, opacity = menu_opacity * 0.8})
end
-- Draw submenu if selected
local submenu_rect, current_item = nil, is_current and menu.selected_index and menu.items[menu.selected_index]
local submenu_is_hovered = false
if current_item and current_item.items then
submenu_rect = draw_menu(current_item --[[@as MenuStack]], menu_rect.bx + self.gap, 1)
cursor:zone('primary_down', submenu_rect, self:create_action(function(shortcut)
self:activate_selected_item(shortcut, true)
end))
end
---@type MenuAction|nil
local selected_action
for index = start_index, end_index, 1 do
local item = menu.items[index]
if not item then break end
local item_ax = menu_rect.ax + self.padding
local item_bx = menu_rect.bx - self.padding
local item_ay = ay - menu.scroll_y + self.scroll_step * (index - 1)
local item_by = item_ay + self.item_height
local item_center_y = item_ay + (self.item_height / 2)
local item_clip = (item_ay < ay or item_by > by) and scroll_clip or nil
local content_ax, content_bx = ax + self.padding + spacing, bx - self.padding - spacing
local is_selected = menu.selected_index == index
local item_rect_hitbox = {
ax = item_ax,
ay = math.max(item_ay, menu_rect.ay),
bx = menu_rect.bx + (item.items and self.gap or -self.padding), -- to bridge the gap with cursor
by = math.min(item_ay + self.scroll_step, menu_rect.by),
}
-- Select hovered item
if is_current and self.mouse_nav and item.selectable ~= false
-- Do not select items if cursor is moving towards a submenu
and (not submenu_rect or not cursor:direction_to_rectangle_distance(submenu_rect))
and (submenu_is_hovered or get_point_to_rectangle_proximity(cursor, item_rect_hitbox) == 0) then
menu.selected_index = index
if not is_selected then
is_selected = true
request_render()
end
end
local has_background = is_selected or item.active
local next_item = menu.items[index + 1]
local next_is_active = next_item and next_item.active
local next_has_background = menu.selected_index == index + 1 or next_is_active
local font_color = item.active and fgt or bgt
local actions = is_selected and (item.actions or menu.item_actions) -- not nil = actions are visible
local action = actions and actions[menu.action_index] -- not nil = action is selected
if action then selected_action = action end
-- Separator
if item_by < by and ((not has_background and not next_has_background) or item.separator) then
local separator_ay, separator_by = item_by, item_by + self.separator_size
if has_background then
separator_ay, separator_by = separator_ay + self.separator_size, separator_by + self.separator_size
elseif next_has_background then
separator_ay, separator_by = separator_ay - self.separator_size, separator_by - self.separator_size
end
ass:rect(ax + spacing, separator_ay, bx - spacing, separator_by, {
color = fg, opacity = menu_opacity * (item.separator and 0.13 or 0.04),
})
end
-- Background
local highlight_opacity = 0 + (item.active and 0.8 or 0) + (is_selected and 0.15 or 0)
if highlight_opacity > 0 then
ass:rect(ax + self.padding, item_ay, bx - self.padding, item_by, {
radius = state.radius,
color = fg,
opacity = highlight_opacity * menu_opacity,
clip = item_clip,
})
end
local title_clip_bx = content_bx
-- Actions
local actions_rect
if is_selected and actions and #actions > 0 and not item.items then
local place = item.actions_place or menu.item_actions_place
local margin = self.gap * 2
local size = item_by - item_ay - margin * 2
local rect_width = size * #actions + margin * (#actions - 1)
-- Place actions outside of menu when requested and there's enough space for it
actions_rect = {
ay = item_ay + margin,
by = item_by - margin,
is_outside = place == 'outside' and display.width - menu_rect.bx + margin * 2 > rect_width,
}
actions_rect.bx = actions_rect.is_outside and menu_rect.bx + margin + rect_width or item_bx - margin
actions_rect.ax = actions_rect.bx
for i = 1, #actions, 1 do
local action_index = #actions - (i - 1)
local action = actions[action_index]
-- Hide when the action shouldn't be displayed when the item is a result of a search/filter
if not (action.filter_hidden and menu.search) then
local is_active = action_index == menu.action_index
local bx = actions_rect.ax - (i == 1 and 0 or margin)
local rect = {
ay = actions_rect.ay,
by = actions_rect.by,
ax = bx - size,
bx = bx,
}
actions_rect.ax = rect.ax
ass:rect(rect.ax, rect.ay, rect.bx, rect.by, {
radius = state.radius > 2 and state.radius - 1 or state.radius,
color = is_active and fg or bg,
border = is_active and self.gap or nil,
border_color = bg,
opacity = menu_opacity,
clip = item_clip,
})
ass:icon(rect.ax + size / 2, rect.ay + size / 2, size * 0.66, action.icon, {
color = is_active and bg or fg, opacity = menu_opacity, clip = item_clip,
})
-- Re-use rect as a hitbox by growing it so it bridges gaps to prevent flickering
rect.ay, rect.by, rect.bx = item_ay, item_ay + self.scroll_step, rect.bx + margin
-- Select action on cursor hover
if self.mouse_nav and get_point_to_rectangle_proximity(cursor, rect) == 0 then
cursor:zone('primary_click', rect, self:create_action(function(shortcut)
self:activate_selected_item(shortcut, true)
end))
blur_action_index = false
if not is_active then
menu.action_index = action_index
selected_action = actions[action_index]
request_render()
end
end
end
end
title_clip_bx = actions_rect.ax - self.gap * 2
end
-- Selected item indicator line
if is_selected and not selected_action then
local size = round(2 * state.scale)
local v_padding = math.min(state.radius, math.ceil(self.item_height / 3))
ass:rect(ax + self.padding - size - 1, item_ay + v_padding, ax + self.padding - 1,
item_by - v_padding, {
radius = 1 * state.scale, color = fg, opacity = menu_opacity, clip = item_clip,
})
end
-- Icon
if item.icon then
if not actions_rect or actions_rect.is_outside then
local x = (not item.title and not item.hint and item.align == 'center')
and menu_rect.ax + (menu_rect.bx - menu_rect.ax) / 2
or content_bx - (icon_size / 2)
if item.icon == 'spinner' then
ass:spinner(x, item_center_y, icon_size * 1.5, {color = font_color, opacity = menu_opacity * 0.8})
else
ass:icon(x, item_center_y, icon_size * 1.5, item.icon, {
color = font_color, opacity = menu_opacity, clip = item_clip,
})
end
end
content_bx = content_bx - icon_size - spacing
title_clip_bx = math.min(content_bx, title_clip_bx)
end
local hint_clip_bx = title_clip_bx
if item.hint_width > 0 then
-- controls title & hint clipping proportional to the ratio of their widths
-- both title and hint get at least 50% of the width, unless they are smaller then that
local width = content_bx - content_ax - spacing
local title_min = math.min(item.title_width, width * 0.5)
local hint_min = math.min(item.hint_width, width * 0.5)
local title_ratio = item.title_width / (item.title_width + item.hint_width)
title_clip_bx = math.min(
title_clip_bx,
round(content_ax + clamp(title_min, width * title_ratio, width - hint_min))
)
end
-- Hint
if item.hint then
item.ass_safe_hint = item.ass_safe_hint or ass_escape(item.hint)
local clip = '\\clip(' .. title_clip_bx + spacing .. ',' ..
math.max(item_ay, ay) .. ',' .. hint_clip_bx .. ',' .. math.min(item_by, by) .. ')'
ass:txt(content_bx, item_center_y, 6, item.ass_safe_hint, {
size = self.font_size_hint,
color = font_color,
wrap = 2,
opacity = 0.5 * menu_opacity,
clip = clip,
})
end
-- Title
if item.title then
item.ass_safe_title = item.ass_safe_title or ass_escape(item.title)
local clip = '\\clip(' .. ax .. ',' .. math.max(item_ay, ay) .. ','
.. title_clip_bx .. ',' .. math.min(item_by, by) .. ')'
local title_x, align = content_ax, 4
if item.align == 'right' then
title_x, align = title_clip_bx, 6
elseif item.align == 'center' then
title_x, align = content_ax + (title_clip_bx - content_ax) / 2, 5
end
ass:txt(title_x, item_center_y, align, item.ass_safe_title, {
size = self.font_size,
color = font_color,
italic = item.italic,
bold = item.bold,
wrap = 2,
opacity = menu_opacity * (item.muted and 0.5 or 1),
clip = clip,
})
end
end
-- Footnote / Selected action label
if is_current and (menu.footnote or selected_action) then
local height_half = self.font_size
local icon_x, icon_y = menu_rect.ax + self.padding + self.font_size / 2, menu_rect.by + height_half
local is_icon_hovered = false
local icon_hitbox = {
ax = icon_x - height_half,
ay = icon_y - height_half,
bx = icon_x + height_half,
by = icon_y + height_half,
}
is_icon_hovered = get_point_to_rectangle_proximity(cursor, icon_hitbox) == 0
local text = selected_action and selected_action.label or is_icon_hovered and menu.footnote
local opacity = (is_icon_hovered and 1 or 0.5) * menu_opacity
ass:icon(icon_x, icon_y, self.font_size, is_icon_hovered and 'help' or 'help_outline', {
color = fg, border = state.scale, border_color = bg, opacity = opacity,
})
if text then
ass:txt(icon_x + self.font_size * 0.75, icon_y, 4, text, {
size = self.font_size,
color = fg,
border = state.scale,
border_color = bg,
opacity = menu_opacity,
italic = true,
})
end
end
-- Menu title
if draw_title then
local requires_submit = menu.search_debounce == 'submit'
local rect = {
ax = round(ax + spacing / 2 + self.padding),
ay = ay - self.scroll_step - self.padding * 2,
bx = round(bx - spacing / 2 - self.padding),
by = math.min(by, ay - self.padding),
}
-- centers
rect.cx, rect.cy = round(rect.ax + (rect.bx - rect.ax) / 2), round(rect.ay + (rect.by - rect.ay) / 2)
if menu.title and not menu.ass_safe_title then
menu.ass_safe_title = ass_escape(menu.title)
end
-- Bottom border
ass:rect(ax, rect.by - self.separator_size, bx, rect.by, {color = fg, opacity = menu_opacity * 0.2})
-- Do nothing when user clicks title
if is_current then
cursor:zone('primary_down', rect, function() end)
end
-- Title
if menu.search then
-- Icon
local icon_size, icon_opacity = self.font_size * 1.3, menu_opacity * (requires_submit and 0.5 or 1)
local icon_rect = {ax = rect.ax, ay = rect.ay, bx = ax + icon_size + spacing * 1.5, by = rect.by}
if is_current and requires_submit then
cursor:zone('primary_down', icon_rect, function() self:search_submit() end)
if get_point_to_rectangle_proximity(cursor, icon_rect) == 0 then
icon_opacity = menu_opacity
end
end
ass:icon(rect.ax + icon_size / 2, rect.cy, icon_size, 'search', {
color = fg,
opacity = icon_opacity,
clip = '\\clip(' ..
icon_rect.ax .. ',' .. icon_rect.ay .. ',' .. icon_rect.bx .. ',' .. icon_rect.by .. ')',
})
-- Query/Placeholder
if menu.search.query ~= '' then
-- Add a ZWNBSP suffix to prevent libass from trimming trailing spaces
local query = ass_escape(menu.search.query) .. '\239\187\191'
ass:txt(rect.bx, rect.cy, 6, query, {
size = self.font_size,
color = bgt,
wrap = 2,
opacity = menu_opacity,
clip = '\\clip(' .. icon_rect.bx .. ',' .. rect.ay .. ',' .. rect.bx .. ',' .. rect.by .. ')',
})
else
local placeholder = (menu.search_style == 'palette' and menu.ass_safe_title)
and menu.ass_safe_title
or (requires_submit and t('type & ctrl+enter to search') or t('type to search'))
ass:txt(rect.bx, rect.cy, 6, placeholder, {
size = self.font_size,
italic = true,
color = bgt,
wrap = 2,
opacity = menu_opacity * 0.4,
clip = '\\clip(' .. rect.ax .. ',' .. rect.ay .. ',' .. rect.bx .. ',' .. rect.by .. ')',
})
end
-- Selected input indicator for submittable searches.
-- (input is selected when `selected_index` is `nil`)
if menu.search_debounce == 'submit' and not menu.selected_index then
local size_half = round(1 * state.scale)
ass:rect(ax, rect.by - size_half, bx, rect.by + size_half, {color = fg, opacity = menu_opacity})
end
local input_is_blurred = menu.search_debounce == 'submit' and menu.selected_index
-- Cursor
local cursor_height_half, cursor_thickness = round(self.font_size * 0.6), round(self.font_size / 12)
local cursor_ax, cursor_bx = rect.bx + 1, rect.bx + 1 + cursor_thickness
ass:rect(cursor_ax, rect.cy - cursor_height_half, cursor_bx, rect.cy + cursor_height_half, {
color = fg,
opacity = menu_opacity * (input_is_blurred and 0.5 or 1),
clip = '\\clip(' .. cursor_ax .. ',' .. rect.ay .. ',' .. cursor_bx .. ',' .. rect.by .. ')',
})
else
ass:txt(rect.cx, rect.cy, 5, menu.ass_safe_title, {
size = self.font_size,
bold = true,
color = bgt,
wrap = 2,
opacity = menu_opacity,
clip = '\\clip(' .. rect.ax .. ',' .. rect.ay .. ',' .. rect.bx .. ',' .. rect.by .. ')',
})
end
end
if blur_action_index then
menu.action_index = nil
request_render()
end
return menu_rect
end
-- Active menu
draw_menu(self.current, self.ax, 0)
-- Parent menus
local parent_menu = self.current.parent_menu
local parent_offset_x, parent_horizontal_index = self.ax, -1
while parent_menu do
parent_offset_x = parent_offset_x - parent_menu.width - self.gap
draw_menu(parent_menu, parent_offset_x, parent_horizontal_index)
parent_horizontal_index = parent_horizontal_index - 1
parent_menu = parent_menu.parent_menu
end
return ass
end
return Menu