feat: allow pasting paths or URLs into file, playlist, and track menus

Pasting to file menu opens the path or URL in clipboard.
Pasting to playlist adds it to playlist.
Pasting to any track menu (audio, video, subtitles) adds it as new track and activates it.

closes #497

src/uosc/lib/menus.lua

@@ -40,7 +40,7 @@ function toggle_menu_with_items(opts)
 end
 
 ---@alias EventRemove {type: 'remove' | 'delete', index: number; value: any; menu_id: string;}
----@param opts {type: string; title: string; list_prop: string; active_prop?: string; serializer: fun(list: any, active: any): MenuDataItem[]; actions?: MenuAction[];on_paste: fun(event: MenuEventPaste); on_move?: fun(event: MenuEventMove); on_activate?: fun(event: MenuEventActivate); on_remove?: fun(event: EventRemove); on_delete?: fun(event: EventRemove)}
+---@param opts {type: string; title: string; list_prop: string; active_prop?: string; footnote?: string; serializer: fun(list: any, active: any): MenuDataItem[]; actions?: MenuAction[]; on_paste: fun(event: MenuEventPaste); on_move?: fun(event: MenuEventMove); on_activate?: fun(event: MenuEventActivate); on_remove?: fun(event: EventRemove); on_delete?: fun(event: EventRemove);}
 function create_self_updating_menu_opener(opts)
 	return function()
 		if Menu:is_open(opts.type) then
@@ -110,12 +110,12 @@ function create_self_updating_menu_opener(opts)
 		menu = Menu:open({
 			type = opts.type,
 			title = opts.title,
-			footnote = t('Toggle to disable. Paste to load path or url in clipboard.'),
+			footnote = opts.footnote,
 			items = initial_items,
 			actions = actions,
 			selected_index = selected_index,
 			on_move = opts.on_move and 'callback' or nil,
-			on_paste = 'callback',
+			on_paste = opts.on_paste and 'callback' or nil,
 			on_close = 'callback',
 		}, function(event)
 			if event.type == 'activate' then
@@ -258,12 +258,12 @@ function create_select_tracklist_type_menu_opener(opts)
 					mp.commandv('set', opts.enable_prop, 'yes')
 				end
 			end
-
 		end
 	end
 
 	return create_self_updating_menu_opener({
 		title = opts.title,
+		footnote = t('Toggle to disable.') .. ' ' .. t('Paste path or url to add.'),
 		type = opts.type,
 		list_prop = 'track-list',
 		serializer = serialize_tracklist,
@@ -390,8 +390,10 @@ function open_file_navigation_menu(directory_path, handle_activate, opts)
 	local menu_data = {
 		type = opts.type,
 		title = opts.title or '',
+		footnote = t('Paste path or url to open.'),
 		items = {},
 		on_close = opts.on_close and 'callback' or nil,
+		on_paste = 'callback',
 	}
 
 	---@param path string
@@ -454,6 +456,8 @@ function open_file_navigation_menu(directory_path, handle_activate, opts)
 			activate(event --[[@as MenuEventActivate]])
 		elseif event.type == 'back' or event.type == 'key' and event.id == 'alt+up' then
 			if back_path then open_directory(back_path) end
+		elseif event.type == 'paste' then
+			handle_activate({type = 'activate', value = event.value})
 		elseif event.type == 'close' then
 			close()
 		end
@@ -725,7 +729,7 @@ function open_open_file_menu()
 				local serialized = serialize_path(event.value)
 				local filename = serialized and serialized.basename or event.value
 				mp.commandv('show-text', t('Added to playlist') .. ': ' .. filename, 3000)
-			elseif itable_has({'', 'ctrl', 'alt', 'alt+ctrl'}, event.modifiers) and itable_has({nil, 'force_open'}, event.action) then
+			elseif itable_has({nil, 'ctrl', 'alt', 'alt+ctrl'}, event.modifiers) and itable_has({nil, 'force_open'}, event.action) then
 				mp.commandv(command, event.value)
 				if not event.alt then menu:close() end
 			end

src/uosc/main.lua

@@ -913,6 +913,7 @@ bind_command('playlist', create_self_updating_menu_opener({
 	title = t('Playlist'),
 	type = 'playlist',
 	list_prop = 'playlist',
+	footnote = t('Paste path or url to add.'),
 	serializer = function(playlist)
 		local items = {}
 		for index, item in ipairs(playlist) do
@@ -928,6 +929,7 @@ bind_command('playlist', create_self_updating_menu_opener({
 		return items
 	end,
 	on_activate = function(event) mp.commandv('set', 'playlist-pos-1', tostring(event.value)) end,
+	on_paste = function(event) mp.commandv('loadfile', tostring(event.value), 'append') end,
 	on_move = function(event)
 		local from, to = event.from_index, event.to_index
 		mp.commandv('playlist-move', tostring(from - 1), tostring(to - (to > from and 0 or 1)))