awesome/lib/awful/menu.lua.in
Julien Danjou 8824d9f703 awful.menu: add support for functions
Signed-off-by: Julien Danjou <julien@danjou.info>
2008-10-22 17:52:51 +02:00

214 lines
5.9 KiB
Lua

---------------------------------------------------------------------------
-- @author Damien Leone &lt;damien.leone@gmail.com&gt;
-- @copyright 2008 Damien Leone
-- @release @AWESOME_VERSION@
---------------------------------------------------------------------------
-- Grab environment we need
local table = table
local type = type
local wibox = wibox
local image = image
local string = string
local widget = widget
local button = button
local capi = { screen = screen, mouse = mouse }
local util = require("awful.util")
local awbeautiful = require("awful.beautiful")
--- Menu module for awful
module("awful.menu")
-- Table containing all currently opened menus
local menus = {}
-- Theme table
local theme
local function load_theme()
local beautiful
beautiful = awbeautiful.get()
theme = {}
theme.fg_focus = beautiful.menu_fg_focus or beautiful.fg_focus
theme.bg_focus = beautiful.menu_bg_focus or beautiful.bg_focus
theme.fg_normal = beautiful.menu_fg_normal or beautiful.fg_normal
theme.bg_normal = beautiful.menu_bg_normal or beautiful.bg_normal
theme.submenu_icon = beautiful.menu_submenu_icon or "@AWESOME_ICON_PATH@/submenu.png"
theme.menu_height = beautiful.menu_height or 15
theme.menu_width = beautiful.menu_width or 100
theme.border = beautiful.menu_border_color or beautiful.border_normal
theme.border_width = beautiful.menu_border_width or beautiful.border_width
end
local function mouse_enter(w)
w.fg = theme.fg_focus
w.bg = theme.bg_focus
end
local function mouse_leave(w)
w.fg = theme.fg_normal
w.bg = theme.bg_normal
end
local function destroy(data)
if data then
-- Remove items from screen
for i = 1, #data.items do
data.items[i].screen = nil
end
-- Clean memory, dirty but I'm lazy
for i = 1, #data.items do
table.remove(data.items)
end
destroy(data.child)
-- Remove menu from menus table
menus[data.id] = nil
end
end
local function get_parents(data)
local p_data = data
-- Get the elder parent so when you kill
-- it he will destroy the whole family
while p_data.parent do
p_data = p_data.parent
end
return p_data
end
local function exec(data, action, num)
if type(action[2]) == "table" then
destroy(data.child)
data.child = new(action[1], action[2], data, num)
elseif type(action[2]) == "string" then
destroy(get_parents(data))
util.spawn(action[2])
elseif type(action[2]) == "function" then
action[2]()
end
end
local function add_item(data, num, item_info)
local item = wibox({
name = data.id .. "item" .. num,
position = "floating",
fg = theme.fg_normal,
bg = theme.bg_normal,
border_color = theme.border,
border_width = theme.border_width
})
-- Create bindings
local bindings = {
button({}, 1, function () exec(data, item_info, num) end),
button({}, 3, function () destroy(data) end)
}
-- Create the item icon widget
local icon = nil
if item_info[3] then
icon = widget({ type = "imagebox", name = "icon", align = "left" })
icon.image = image(item_info[3])
else
icon = widget({ type = "textbox", name = "icon", align = "left" })
icon.width = theme.menu_height
end
icon:buttons(bindings)
function icon.mouse_enter() mouse_enter(item) end
function icon.mouse_leave() mouse_leave(item) end
-- Create the item label widget
local label = widget({
type = "textbox",
name = data.id .. "label" .. num,
align = "flex"
})
label.text = string.format(" %s", item_info[1])
label:buttons(bindings)
function label.mouse_enter() mouse_enter(item) end
function label.mouse_leave() mouse_leave(item) end
-- Create the submenu icon widget
local submenu = nil
if type(item_info[2]) == "table" then
submenu = widget({ type = "imagebox", name = "submenu", align = "right" })
submenu.image = image(theme.submenu_icon)
submenu:buttons(bindings)
function submenu.mouse_enter() mouse_enter(item) end
function submenu.mouse_leave() mouse_leave(item) end
end
-- Add widgets to the wibox
item.widgets = {icon, label, submenu}
item:geometry({
width = theme.menu_width,
height = theme.menu_height,
x = data.x,
y = data.y + theme.menu_height*(num - 1)
})
item.ontop = true
item.screen = data.screen
return item
end
--- Open a menu popup
-- @param id Menu id, string naming your menu, only one menu with the same id can be displayed on screen at the same time
-- @param items Table containing the displayed items, each element is a tab containing: item name, tiggered action or submenu table, item icon (optional)
-- @param parent Specify the parent menu if we want to open a submenu, this value should never be set by the user
-- @param num Specify the parent's clicked item number if we want to open a submenu, this value should never be set by the user
function new(id, items, parent, num)
-- Load config only one time
if not theme then
load_theme()
end
-- Close the menu if it was already opened
if menus[id] then
destroy(menus[id])
end
-- Create a table to store our menu informations
local data = {}
data.id = id
data.screen = capi.mouse.screen
data.nb_items = #items
data.items = {}
data.child = nil
if parent then
data.x = parent.x + theme.menu_width + theme.border_width
data.y = parent.y + theme.menu_height*(num - 1)
data.parent = parent
else
local m_coords = capi.mouse.coords()
data.x = m_coords.x
data.y = m_coords.y
data.parent = nil
end
-- Create items
for i = 1, data.nb_items do
table.insert(data.items, add_item(data, i, items[i]))
end
-- Add menu to menus table
menus[id] = data
return data
end