diff options
Diffstat (limited to '.config/mpv/scripts/uosc_shared/elements/Menu.lua')
| -rw-r--r-- | .config/mpv/scripts/uosc_shared/elements/Menu.lua | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/.config/mpv/scripts/uosc_shared/elements/Menu.lua b/.config/mpv/scripts/uosc_shared/elements/Menu.lua new file mode 100644 index 0000000..aad5016 --- /dev/null +++ b/.config/mpv/scripts/uosc_shared/elements/Menu.lua @@ -0,0 +1,783 @@ +local Element = require('uosc_shared/elements/Element') + +-- Menu data structure accepted by `Menu:open(menu)`. +---@alias MenuData {type?: string; title?: string; hint?: string; keep_open?: boolean; separator?: boolean; items?: MenuDataItem[]; selected_index?: integer;} +---@alias MenuDataItem MenuDataValue|MenuData +---@alias MenuDataValue {title?: string; hint?: string; icon?: string; value: any; bold?: boolean; italic?: boolean; muted?: boolean; active?: boolean; keep_open?: boolean; separator?: boolean;} +---@alias MenuOptions {mouse_nav?: boolean; on_open?: fun(); on_close?: fun(); on_back?: fun()} + +-- Internal data structure created from `Menu`. +---@alias MenuStack {id?: string; type?: string; title?: string; hint?: string; selected_index?: number; keep_open?: boolean; separator?: boolean; items: MenuStackItem[]; parent_menu?: MenuStack; 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} +---@alias MenuStackItem MenuStackValue|MenuStack +---@alias MenuStackValue {title?: string; hint?: string; icon?: string; value: any; active?: boolean; bold?: boolean; italic?: boolean; muted?: boolean; keep_open?: boolean; separator?: boolean; title_width: number; hint_width: number} +---@alias Fling {y: number, distance: number, time: number, easing: fun(x: number), duration: number, update_cursor?: boolean} + +---@class Menu : Element +local Menu = class(Element) + +---@param data MenuData +---@param callback fun(value: any) +---@param opts? MenuOptions +function Menu:open(data, callback, opts) + local open_menu = self: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() + Elements:remove('menu') + menu.is_closing, menu.stack, menu.current, menu.all, menu.by_id = false, nil, nil, {}, {} + menu:disable_key_bindings() + Elements:update_proximities() + if callback then callback() end + request_render() + end + + menu.is_closing = true + + if immediate then close() + else menu:fadeout(close) end + end +end + +---@param data MenuData +---@param callback fun(value: any) +---@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 fun(value: any) +---@param opts? MenuOptions +function Menu:init(data, callback, opts) + Element.init(self, 'menu', {ignores_menu = true}) + + -----@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.item_spacing = 1 + self.item_padding = 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.key_bindings = {} + self.is_being_replaced = false + self.is_closing, self.is_closed = false, false + ---@type {y: integer, time: number}[] + self.drag_data = nil + self.is_dragging = false + + self:update(data) + + if self.mouse_nav then + if self.current then self.current.selected_index = nil end + else + for _, menu in ipairs(self.all) do self:scroll_to_index(menu.selected_index, menu) end + end + + self:tween_property('opacity', 0, 1) + self:enable_key_bindings() + Elements.curtain:register('menu') + if self.opts.on_open then self.opts.on_open() end +end + +function Menu:destroy() + Element.destroy(self) + self:disable_key_bindings() + self.is_closed = true + if not self.is_being_replaced then Elements.curtain:unregister('menu') end + if self.opts.on_close then self.opts.on_close() end +end + +---@param data MenuData +function Menu:update(data) + self.type = data.type + + local new_root = {is_root = true} + local new_all = {} + local new_by_id = {} + local menus_to_serialize = {{new_root, data}} + local old_current_id = self.current and self.current.id + + table_assign(new_root, data, {'title', 'hint', 'keep_open'}) + + 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 not menu.is_root then + menu.id = (parent_id and parent_id .. ' > ' or '') .. (menu_data.title or i) + end + menu.icon = 'chevron_right' + + -- Update items + local first_active_index = nil + menu.items = {} + + 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(item, item_data, { + 'title', 'icon', 'hint', 'active', 'bold', 'italic', 'muted', 'value', 'keep_open', 'separator', + }) + if item.keep_open == nil then item.keep_open = menu.keep_open end + + -- Submenu + if item_data.items then + item.parent_menu = menu + 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.is_root and '__root__' or menu.id] + if old_menu then table_assign(menu, old_menu, {'selected_index', 'scroll_y', 'fling'}) end + + new_all[#new_all + 1] = menu + new_by_id[menu.is_root and '__root__' or 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() +end + +---@param items MenuDataItem[] +function Menu:update_items(items) + local data = table_shallow_copy(self.root) + data.items = items + self:update(data) +end + +function Menu:update_content_dimensions() + self.item_height = state.fullormaxed and options.menu_item_height_fullscreen or options.menu_item_height + 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 + -- Estimate width of a widest item + local max_width = 0 + 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 + + -- Also check menu title + title_opts.bold, title_opts.italic = true, false + local menu_title_width = text_width(menu.title, title_opts) + if menu_title_width > max_width then max_width = menu_title_width end + + menu.max_width = max_width + end + + self:update_dimensions() +end + +function Menu:update_dimensions() + -- Coordinates and sizes are of the scrollable area to make + -- consuming values in rendering and collisions easier. Title drawn above this, so + -- we need to account for that in max_height and ay position. + local min_width = state.fullormaxed and options.menu_min_width_fullscreen or options.menu_min_width + + for _, menu in ipairs(self.all) do + menu.width = round(clamp(min_width, menu.max_width, display.width * 0.9)) + local title_height = (menu.is_root and menu.title) and self.scroll_step or 0 + local max_height = round((display.height - title_height) * 0.9) + local content_height = self.scroll_step * #menu.items + menu.height = math.min(content_height - self.item_spacing, max_height) + menu.top = round(math.max((display.height - menu.height) / 2, title_height * 1.5)) + menu.scroll_height = math.max(content_height - menu.height - self.item_spacing, 0) + menu.scroll_y = menu.scroll_y or 0 + self:scroll_to(menu.scroll_y, menu) -- clamps scroll_y to scroll limits + end + + 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:scroll_to(menu.scroll_y) -- clamps scroll_y to scroll limits + if self.mouse_nav then + self:select_item_below_cursor() + else + self:select_index((menu.items and #menu.items > 0) and clamp(1, menu.selected_index or 1, #menu.items) or 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 + +function Menu:get_item_index_below_cursor() + local menu = self.current + if #menu.items < 1 or self.proximity_raw > 0 then return nil end + return math.max(1, math.min(math.ceil((cursor.y - self.ay + menu.scroll_y) / self.scroll_step), #menu.items)) +end + +function Menu:get_first_active_index(menu) + menu = menu or self.current + for index, item in ipairs(self.current.items) do + if item.active then return index end + end +end + +---@param pos? number +---@param menu? MenuStack +function Menu:set_scroll_to(pos, menu) + menu = menu or self.current + menu.scroll_y = clamp(0, pos or 0, menu.scroll_height) + request_render() +end + +---@param delta? number +---@param menu? MenuStack +function Menu:set_scroll_by(delta, menu) + menu = menu or self.current + self:set_scroll_to(menu.scroll_y + delta, menu) +end + +---@param pos? number +---@param menu? MenuStack +---@param fling_options? table +function Menu:scroll_to(pos, menu, fling_options) + menu = menu or self.current + 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? MenuStack +---@param fling_options? Fling +function Menu:scroll_by(delta, menu, fling_options) + menu = menu or self.current + self:scroll_to((menu.fling and (menu.fling.y + menu.fling.distance) or menu.scroll_y) + delta, menu, fling_options) +end + +---@param index? integer +---@param menu? MenuStack +---@param immediate? boolean +function Menu:scroll_to_index(index, menu, immediate) + menu = menu or self.current + 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) + else self:scroll_to(position, menu) end + end +end + +---@param index? integer +---@param menu? MenuStack +function Menu:select_index(index, menu) + menu = menu or self.current + menu.selected_index = (index and index >= 1 and index <= #menu.items) and index or nil + request_render() +end + +---@param value? any +---@param menu? MenuStack +function Menu:select_value(value, menu) + menu = menu or self.current + local index = itable_find(menu.items, function(item) return item.value == value end) + self:select_index(index, 5) +end + +---@param menu? MenuStack +function Menu:deactivate_items(menu) + menu = menu or self.current + for _, item in ipairs(menu.items) do item.active = false end + request_render() +end + +---@param index? integer +---@param menu? MenuStack +function Menu:activate_index(index, menu) + menu = menu or self.current + if index and index >= 1 and index <= #menu.items then menu.items[index].active = true end + request_render() +end + +---@param index? integer +---@param menu? MenuStack +function Menu:activate_one_index(index, menu) + self:deactivate_items(menu) + self:activate_index(index, menu) +end + +---@param value? any +---@param menu? MenuStack +function Menu:activate_value(value, menu) + menu = menu or self.current + local index = itable_find(menu.items, function(item) return item.value == value end) + self:activate_index(index, menu) +end + +---@param value? any +---@param menu? MenuStack +function Menu:activate_one_value(value, menu) + menu = menu or self.current + local index = itable_find(menu.items, function(item) return item.value == value end) + self:activate_one_index(index, menu) +end + +---@param id string +function Menu:activate_submenu(id) + local submenu = self.by_id[id] + if submenu then + self.current = submenu + request_render() + else + msg.error(string.format('Requested submenu id "%s" doesn\'t exist', id)) + end + self:reset_navigation() +end + +---@param index? integer +---@param menu? MenuStack +function Menu:delete_index(index, menu) + menu = menu or self.current + 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) + end +end + +---@param value? any +---@param menu? MenuStack +function Menu:delete_value(value, menu) + menu = menu or self.current + local index = itable_find(menu.items, function(item) return item.value == value end) + self:delete_index(index) +end + +---@param menu? MenuStack +function Menu:prev(menu) + menu = menu or self.current + menu.selected_index = math.max(menu.selected_index and menu.selected_index - 1 or #menu.items, 1) + self:scroll_to_index(menu.selected_index, menu, true) +end + +---@param menu? MenuStack +function Menu:next(menu) + menu = menu or self.current + menu.selected_index = math.min(menu.selected_index and menu.selected_index + 1 or 1, #menu.items) + self:scroll_to_index(menu.selected_index, menu, true) +end + +function Menu:back() + if self.opts.on_back then + self.opts.on_back() + if self.is_closed then return end + end + + local menu = self.current + local parent = menu.parent_menu + + if parent then + menu.selected_index = nil + self.current = parent + self:update_dimensions() + 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 + self:close() + end +end + +---@param opts? {keep_open?: boolean, preselect_submenu_item?: boolean} +function Menu:open_selected_item(opts) + opts = opts or {} + local menu = self.current + if menu.selected_index then + local item = menu.items[menu.selected_index] + -- Is submenu + if item.items then + self.current = item + if opts.preselect_submenu_item then + item.selected_index = #item.items > 0 and 1 or nil + end + self:update_dimensions() + 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 + self.callback(item.value) + if not item.keep_open and not opts.keep_open then self:close() end + end + end +end + +function Menu:open_selected_item_soft() self:open_selected_item({keep_open = true}) end +function Menu:open_selected_item_preselect() self:open_selected_item({preselect_submenu_item = true}) end +function Menu:select_item_below_cursor() self.current.selected_index = self:get_item_index_below_cursor() end + +function Menu:on_display() self:update_dimensions() end +function Menu:on_prop_fullormaxed() self:update_content_dimensions() end + +function Menu:on_global_mbtn_left_down() + if self.proximity_raw == 0 then + self.drag_data = {{y = cursor.y, time = mp.get_time()}} + self.current.fling = nil + else + if cursor.x < self.ax then self:back() + else self:close() end + end +end + +function Menu:fling_distance() + local first, last = self.drag_data[1], self.drag_data[#self.drag_data] + if mp.get_time() - last.time > 0.05 then return 0 end + for i = #self.drag_data - 1, 1, -1 do + local drag = self.drag_data[i] + if last.time - drag.time > 0.03 then return ((drag.y - last.y) / ((last.time - drag.time) / 0.03)) * 10 end + end + return #self.drag_data < 2 and 0 or ((first.y - last.y) / ((first.time - last.time) / 0.03)) * 10 +end + +function Menu:on_global_mbtn_left_up() + if self.proximity_raw == 0 and self.drag_data and not self.is_dragging then + self:select_item_below_cursor() + self:open_selected_item({preselect_submenu_item = false}) + end + if self.is_dragging then + local distance = self:fling_distance() + if math.abs(distance) > 50 then + self.current.fling = { + y = self.current.scroll_y, distance = distance, time = self.drag_data[#self.drag_data].time, + easing = ease_out_quart, duration = 0.5, update_cursor = true, + } + end + end + self.is_dragging = false + self.drag_data = nil +end + + +function Menu:on_global_mouse_move() + self.mouse_nav = true + if self.drag_data then + self.is_dragging = self.is_dragging or math.abs(cursor.y - self.drag_data[1].y) >= 10 + local distance = self.drag_data[#self.drag_data].y - cursor.y + if distance ~= 0 then self:set_scroll_by(distance) end + self.drag_data[#self.drag_data + 1] = {y = cursor.y, time = mp.get_time()} + end + if self.proximity_raw == 0 or self.is_dragging then self:select_item_below_cursor() + else self.current.selected_index = nil end + request_render() +end + +function Menu:on_wheel_up() self:scroll_by(self.scroll_step * -3, nil, {update_cursor = true}) end +function Menu:on_wheel_down() self:scroll_by(self.scroll_step * 3, nil, {update_cursor = true}) end + +function Menu:on_pgup() + local menu = self.current + local items_per_page = round((menu.height / self.scroll_step) * 0.4) + local paged_index = (menu.selected_index and menu.selected_index or #menu.items) - items_per_page + menu.selected_index = clamp(1, paged_index, #menu.items) + if menu.selected_index > 0 then self:scroll_to_index(menu.selected_index) end +end + +function Menu:on_pgdwn() + local menu = self.current + local items_per_page = round((menu.height / self.scroll_step) * 0.4) + local paged_index = (menu.selected_index and menu.selected_index or 1) + items_per_page + menu.selected_index = clamp(1, paged_index, #menu.items) + if menu.selected_index > 0 then self:scroll_to_index(menu.selected_index) end +end + +function Menu:on_home() + self.current.selected_index = math.min(1, #self.current.items) + if self.current.selected_index > 0 then self:scroll_to_index(self.current.selected_index) end +end + +function Menu:on_end() + self.current.selected_index = #self.current.items + if self.current.selected_index > 0 then self:scroll_to_index(self.current.selected_index) end +end + +function Menu:add_key_binding(key, name, fn, flags) + self.key_bindings[#self.key_bindings + 1] = name + mp.add_forced_key_binding(key, name, fn, flags) +end + +function Menu:enable_key_bindings() + -- The `mp.set_key_bindings()` method would be easier here, but that + -- doesn't support 'repeatable' flag, so we are stuck with this monster. + self:add_key_binding('up', 'menu-prev1', self:create_key_action('prev'), 'repeatable') + self:add_key_binding('down', 'menu-next1', self:create_key_action('next'), 'repeatable') + self:add_key_binding('left', 'menu-back1', self:create_key_action('back')) + self:add_key_binding('right', 'menu-select1', self:create_key_action('open_selected_item_preselect')) + self:add_key_binding('shift+right', 'menu-select-soft1', self:create_key_action('open_selected_item_soft')) + self:add_key_binding('shift+mbtn_left', 'menu-select-soft', self:create_key_action('open_selected_item_soft')) + self:add_key_binding('mbtn_back', 'menu-back-alt3', self:create_key_action('back')) + self:add_key_binding('bs', 'menu-back-alt4', self:create_key_action('back')) + self:add_key_binding('enter', 'menu-select-alt3', self:create_key_action('open_selected_item_preselect')) + self:add_key_binding('kp_enter', 'menu-select-alt4', self:create_key_action('open_selected_item_preselect')) + self:add_key_binding('shift+enter', 'menu-select-alt5', self:create_key_action('open_selected_item_soft')) + self:add_key_binding('shift+kp_enter', 'menu-select-alt6', self:create_key_action('open_selected_item_soft')) + self:add_key_binding('esc', 'menu-close', self:create_key_action('close')) + self:add_key_binding('pgup', 'menu-page-up', self:create_key_action('on_pgup'), 'repeatable') + self:add_key_binding('pgdwn', 'menu-page-down', self:create_key_action('on_pgdwn'), 'repeatable') + self:add_key_binding('home', 'menu-home', self:create_key_action('on_home')) + self:add_key_binding('end', 'menu-end', self:create_key_action('on_end')) +end + +function Menu:disable_key_bindings() + for _, name in ipairs(self.key_bindings) do mp.remove_key_binding(name) end + self.key_bindings = {} +end + +function Menu:create_key_action(name) + return function(...) + self.mouse_nav = false + self:maybe(name, ...) + end +end + +function Menu:render() + local update_cursor = false + for _, menu in ipairs(self.all) do + if menu.fling then + update_cursor = update_cursor or menu.fling.update_cursor or false + 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) + if progress < 1 then request_render() else menu.fling = nil end + end + end + if update_cursor then self:select_item_below_cursor() end + + local ass = assdraw.ass_new() + local opacity = options.menu_opacity * self.opacity + local spacing = self.item_padding + local icon_size = self.font_size + + function draw_menu(menu, x, y, opacity) + local ax, ay, bx, by = x, y, x + menu.width, y + menu.height + local draw_title = menu.is_root and menu.title + 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 selected_index = menu.selected_index or -1 + -- remove menu_opacity to start off with full opacity, but still decay for parent menus + local text_opacity = opacity / options.menu_opacity + + -- Background + ass:rect(ax, ay - (draw_title and self.item_height or 0) - 2, bx, by + 2, { + color = bg, opacity = opacity, radius = 4, + }) + + for index = start_index, end_index, 1 do + local item = menu.items[index] + local next_item = menu.items[index + 1] + local is_highlighted = selected_index == index or item.active + local next_is_active = next_item and next_item.active + local next_is_highlighted = selected_index == index + 1 or next_is_active + + if not item then break end + + 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 + spacing, bx - spacing + local font_color = item.active and fgt or bgt + local shadow_color = item.active and fg or bg + + -- Separator + local separator_ay = item.separator and item_by - 1 or item_by + local separator_by = item_by + (item.separator and 2 or 1) + if is_highlighted then separator_ay = item_by + 1 end + if next_is_highlighted then separator_by = item_by end + if separator_by - separator_ay > 0 and item_by < by then + ass:rect(ax + spacing / 2, separator_ay, bx - spacing / 2, separator_by, { + color = fg, opacity = opacity * (item.separator and 0.08 or 0.06), + }) + end + + -- Highlight + local highlight_opacity = 0 + (item.active and 0.8 or 0) + (selected_index == index and 0.15 or 0) + if highlight_opacity > 0 then + ass:rect(ax + 2, item_ay, bx - 2, item_by, { + radius = 2, color = fg, opacity = highlight_opacity * text_opacity, + clip = item_clip, + }) + end + + -- Icon + if item.icon then + local x, y = content_bx - (icon_size / 2), item_center_y + if item.icon == 'spinner' then + ass:spinner(x, y, icon_size * 1.5, {color = font_color, opacity = text_opacity * 0.8}) + else + ass:icon(x, y, icon_size * 1.5, item.icon, { + color = font_color, opacity = text_opacity, clip = item_clip, + shadow = 1, shadow_color = shadow_color, + }) + end + content_bx = content_bx - icon_size - spacing + end + + local title_cut_x = content_bx + if item.hint_width > 0 then + -- controls title & hint clipping proportional to the ratio of their widths + local title_content_ratio = item.title_width / (item.title_width + item.hint_width) + title_cut_x = round(content_ax + (content_bx - content_ax - spacing) * title_content_ratio + + (item.title_width > 0 and spacing / 2 or 0)) + end + + -- Hint + if item.hint then + item.ass_safe_hint = item.ass_safe_hint or ass_escape(item.hint) + local clip = '\\clip(' .. title_cut_x .. ',' .. + math.max(item_ay, ay) .. ',' .. 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 * opacity, clip = clip, + shadow = 1, shadow_color = shadow_color, + }) + 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_cut_x .. ',' .. math.min(item_by, by) .. ')' + ass:txt(content_ax, item_center_y, 4, item.ass_safe_title, { + size = self.font_size, color = font_color, italic = item.italic, bold = item.bold, wrap = 2, + opacity = text_opacity * (item.muted and 0.5 or 1), clip = clip, + shadow = 1, shadow_color = shadow_color, + }) + end + end + + -- Menu title + if draw_title then + local title_ay = ay - self.item_height + local title_height = self.item_height - 3 + menu.ass_safe_title = menu.ass_safe_title or ass_escape(menu.title) + + -- Background + ass:rect(ax + 2, title_ay, bx - 2, title_ay + title_height, { + color = fg, opacity = opacity * 0.8, radius = 2, + }) + ass:texture(ax + 2, title_ay, bx - 2, title_ay + title_height, 'n', { + size = 80, color = bg, opacity = opacity * 0.1, + }) + + -- Title + ass:txt(ax + menu.width / 2, title_ay + (title_height / 2), 5, menu.ass_safe_title, { + size = self.font_size, bold = true, color = bg, wrap = 2, opacity = opacity, + clip = '\\clip(' .. ax .. ',' .. title_ay .. ',' .. bx .. ',' .. ay .. ')', + }) + 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)) + ass:rect(bx - 3, thumb_y, bx - 1, thumb_y + thumb_height, {color = fg, opacity = opacity * 0.8}) + end + end + + -- Main menu + draw_menu(self.current, self.ax, self.ay, opacity) + + -- Parent menus + local parent_menu = self.current.parent_menu + local parent_offset_x = self.ax + local parent_opacity_factor = options.menu_parent_opacity + local menu_gap = 2 + + while parent_menu do + parent_offset_x = parent_offset_x - parent_menu.width - menu_gap + draw_menu(parent_menu, parent_offset_x, parent_menu.top, parent_opacity_factor * opacity) + parent_opacity_factor = parent_opacity_factor * parent_opacity_factor + parent_menu = parent_menu.parent_menu + end + + -- Selected menu + local selected_menu = self.current.items[self.current.selected_index] + + if selected_menu and selected_menu.items then + draw_menu(selected_menu, self.bx + menu_gap, selected_menu.top, options.menu_parent_opacity * opacity) + end + + return ass +end + +return Menu |