269 lines
8.5 KiB
Lua
269 lines
8.5 KiB
Lua
---------------------------------------------------------------------------
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-- @author Damien Leone <damien.leone@gmail.com>
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2008 Damien Leone, Julien Danjou
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-- @release @AWESOME_VERSION@
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---------------------------------------------------------------------------
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-- Grab environment we need
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local pairs = pairs
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local table = table
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local type = type
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local wibox = wibox
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local image = image
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local widget = widget
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local button = button
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local capi = { screen = screen, mouse = mouse, client = client }
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local util = require("awful.util")
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local tags = require("awful.tag")
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local awbeautiful = require("beautiful")
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local tonumber = tonumber
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--- Menu module for awful
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module("awful.menu")
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local function load_theme(custom)
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local theme = {}
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local beautiful
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beautiful = awbeautiful.get()
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theme.fg_focus = custom.fg_focus or beautiful.menu_fg_focus or beautiful.fg_focus
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theme.bg_focus = custom.bg_focus or beautiful.menu_bg_focus or beautiful.bg_focus
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theme.fg_normal = custom.fg_normal or beautiful.menu_fg_normal or beautiful.fg_normal
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theme.bg_normal = custom.bg_normal or beautiful.menu_bg_normal or beautiful.bg_normal
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theme.submenu_icon = custom.submenu_icon or beautiful.menu_submenu_icon
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theme.menu_height = custom.height or beautiful.menu_height or 16
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theme.menu_width = custom.width or beautiful.menu_width or 100
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theme.border = custom.border_color or beautiful.menu_border_color or beautiful.border_normal
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theme.border_width = custom.border_width or beautiful.menu_border_width or beautiful.border_width
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return theme
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end
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local function mouse_enter(w, theme)
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w.fg = theme.fg_focus
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w.bg = theme.bg_focus
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end
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local function mouse_leave(w, theme)
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w.fg = theme.fg_normal
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w.bg = theme.bg_normal
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end
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--- Hide a menu popup.
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-- @param menu The menu to hide.
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function hide(menu)
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-- Remove items from screen
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for i = 1, #menu.items do
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-- Call mouse_leave to clear menu entry
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for k, w in pairs(menu.items[i].widgets) do
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w.mouse_leave()
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end
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menu.items[i].screen = nil
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end
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if menu.active_child then
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menu.active_child:hide()
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active_child = nil
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end
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end
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-- Get the elder parent so for example when you kill
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-- it, it will destroy the whole family.
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local function get_parents(data)
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if data.parent then
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return get_parents(data.parent)
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end
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return data
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end
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local function exec(data, action, num)
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if type(action[2]) == "table" then
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if not data.child[num] then
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data.child[num] = new({ items = action[2] }, data, num)
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end
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if data.active_child then
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data.active_child:hide()
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end
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data.active_child = data.child[num]
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data.active_child:show()
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elseif type(action[2]) == "string" then
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get_parents(data):hide()
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util.spawn(action[2])
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elseif type(action[2]) == "function" then
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get_parents(data):hide()
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action[2]()
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end
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end
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local function add_item(data, num, item_info)
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local item = wibox({
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position = "floating",
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fg = data.theme.fg_normal,
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bg = data.theme.bg_normal,
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border_color = data.theme.border,
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border_width = data.theme.border_width
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})
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-- Create bindings
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local bindings = {
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button({}, 1, function () exec(data, item_info, num) end),
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button({}, 3, function () hide(data) end)
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}
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-- Create the item label widget
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local label = widget({ type = "textbox", align = "left" })
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label.text = item_info[1]
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label:margin({ left = data.h + 2 })
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-- Set icon if needed
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if item_info[3] then
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local icon = type(item_info[3]) == "string" and image(item_info[3]) or item_info[3]
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if icon.width > tonumber(data.h) or icon.height > tonumber(data.h) then
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local width, height
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if ((data.h/icon.height) * icon.width) > tonumber(data.h) then
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width, height = data.h, (tonumber(data.h) / icon.width) * icon.height
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else
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width, height = (tonumber(data.h) / icon.height) * icon.width, data.h
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end
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icon = icon:crop_and_scale(0, 0, icon.width, icon.height, width, height)
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end
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label.bg_image = icon
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end
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label:buttons(bindings)
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function label.mouse_enter() mouse_enter(item, data.theme) end
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function label.mouse_leave() mouse_leave(item, data.theme) end
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-- Create the submenu icon widget
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local submenu
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if type(item_info[2]) == "table" then
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submenu = widget({ type = "imagebox", align = "right" })
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submenu.image = data.theme.submenu_icon and image(data.theme.submenu_icon)
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submenu:buttons(bindings)
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function submenu.mouse_enter() mouse_enter(item, data.theme) end
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function submenu.mouse_leave() mouse_leave(item, data.theme) end
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end
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-- Add widgets to the wibox
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item.widgets = { label, submenu }
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item.ontop = true
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return item
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end
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--- Build a popup menu with running clients and shows it.
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-- @param menu Menu table, see new() function for more informations
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-- @return The menu.
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function clients(menu)
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local cls = capi.client.get()
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local cls_t = {}
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for k, c in pairs(cls) do
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cls_t[#cls_t + 1] = { util.escape(c.name) or "",
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function ()
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if not c:isvisible() then
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tags.viewmore(c:tags(), c.screen)
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end
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capi.client.focus = c
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end,
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c.icon }
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end
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if not menu then
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menu = {}
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end
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menu.items = cls_t
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m = new(menu)
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m:show()
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return m
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end
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local function set_coords(menu, screen_idx)
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local s_geometry = capi.screen[screen_idx].workarea
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local screen_w = s_geometry.x + s_geometry.width
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local screen_h = s_geometry.y + s_geometry.height
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if menu.parent then
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menu.w = menu.parent.w
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menu.h = menu.parent.h
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local p_w = menu.h * (menu.num - 1)
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local m_h = menu.h * #menu.items
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local m_w = menu.w
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menu.y = menu.parent.y + p_w + m_h > screen_h and screen_h - m_h or menu.parent.y + p_w
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menu.x = menu.parent.x + menu.w > screen_w and menu.parent.x - m_w or menu.parent.x + m_w
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else
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local m_coords = capi.mouse.coords()
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menu.y = m_coords.y < s_geometry.y and s_geometry.y or m_coords.y
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menu.x = m_coords.x < s_geometry.x and s_geometry.x or m_coords.x
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local m_h = menu.h * #menu.items
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local m_w = menu.w
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menu.y = menu.y + m_h > screen_h and screen_h - m_h or menu.y
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menu.x = menu.x + m_w > screen_w and screen_w - m_w or menu.x
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end
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end
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--- Show a menu.
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-- @param menu The menu to show.
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function show(menu)
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local screen_index = capi.mouse.screen
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set_coords(menu, screen_index)
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for num, item in pairs(menu.items) do
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item:geometry({
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width = menu.w,
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height = menu.h,
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x = menu.x,
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y = menu.y + (num - 1) * menu.h
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})
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item.screen = screen_index
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end
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end
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--- Toggle menu visibility.
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-- @param menu The menu to show if it's hidden, or to hide if it's shown.
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function toggle(menu)
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if menu.items[1] and menu.items[1].screen then
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hide(menu)
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else
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show(menu)
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end
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end
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--- Open a menu popup.
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-- @param menu Table containing the menu informations. Key items: Table containing the displayed items, each element is a tab containing: item name, tiggered action, submenu table or function, item icon (optional). Keys [fg|bg]_[focus|normal], border, border_width, submenu_icon, height and width override the default display for your menu, each of them are optional.
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-- @param parent Specify the parent menu if we want to open a submenu, this value should never be set by the user.
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-- @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.
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function new(menu, parent, num)
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-- Create a table to store our menu informations
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local data = {}
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data.items = {}
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data.num = num or 1
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data.theme = parent and parent.theme or load_theme(menu)
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data.parent = parent
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data.child = {}
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data.h = parent and parent.h or data.theme.menu_height
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data.w = parent and parent.w or data.theme.menu_width
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-- Create items
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for k, v in pairs(menu.items) do
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table.insert(data.items, add_item(data, k, v))
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end
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-- Set methods
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data.hide = hide
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data.show = show
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data.toggle = toggle
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return data
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end
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