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radical/item/init.lua

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Lua
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local type = type
local capi = {timer = timer}
local beautiful = require("beautiful")
local theme = require("radical.theme")
local object = require("radical.object")
local module = {
-- style = require("radical.item.style"),
-- layout = require("radical.item.layout"),
arrow_type = {
NONE = 0,
PRETTY = 1,
CENTERED = 2,
},
event ={
NEVER = 0,
BUTTON1 = 1,
BUTTON2 = 2,
BUTTON3 = 3,
SELECTED = 100,
HOVER = 1000,
LEAVE = 1001,
},
item_flags = {
NONE = 999999 ,
DISABLED = 1 , -- Cannot be interacted with
URGENT = 2 , -- Need attention
SELECTED = 3 , -- Single item selected [[FOCUS]]
HOVERED = -1 , -- Mouse hover
PRESSED = 4 , -- Mouse pressed
USED = 6 , -- Common flag
CHECKED = 7 , -- When checkbox isn't enough
ALTERNATE = 8 ,
HIGHLIGHT = 9 ,
HEADER = 10,
-- Implementation defined flags
USR1 = 101,
USR2 = 102,
USR3 = 103,
USR4 = 104,
USR5 = 105,
USR6 = 106,
USR7 = 107,
USR8 = 108,
USR9 = 109,
USR10 = 110,
},
}
local function load_async(tab,key)
if key == "style" then
module.style = require("radical.item.style")
return module.style
elseif key == "layout" then
module.layout = require("radical.item.layout")
return module.layout
end
return rawget(module,key)
end
function module.execute_sub_menu(data,item)
if (item._private_data.sub_menu_f or item._private_data.sub_menu_m) then
local sub_menu = item._private_data.sub_menu_m or item._private_data.sub_menu_f(data,item)
if sub_menu and (item._private_data.sub_menu_f or sub_menu.rowcount > 0) then
sub_menu.arrow_type = module.arrow_type.NONE
sub_menu.parent_item = item
sub_menu.parent_geometry = data
sub_menu.visible = true
item._tmp_menu = sub_menu
data._tmp_menu = sub_menu
end
end
end
local function hide_sub_menu(item,data)
if item._tmp_menu then
item._tmp_menu.visible = false
item._tmp_menu = nil
data._tmp_menu = nil
item:emit_signal("state::changed")
end
end
-- local registered_items = {}
-- local is_watching = false
-- local mouse_tracker = object{}
-- local function watch_mouse(a,b,c)
-- print("move",a,b,c)
-- end
-- local function register_mouse_track()
-- if not is_watching then
--
-- end
-- end
local function new_item(data,args)
local args = args or {}
local item,private_data = object({
private_data = {
text = args.text or "" ,
-- height = args.height or data.item_height or beautiful.menu_height or 30 ,
width = args.width or nil ,
icon = args.icon or nil ,
prefix = args.prefix or "" ,
suffix = args.suffix or "" ,
bg = args.bg or nil ,
fg = args.fg or data.fg , --TODO don't do this
border_color= args.border_color or data.border_color ,
border_width= args.border_width or data.border_width ,
bg_prefix = args.bg_prefix or data.bg_prefix ,
sub_menu_m = (args.sub_menu and type(args.sub_menu) == "table" and args.sub_menu.is_menu) and args.sub_menu or nil,
sub_menu_f = (args.sub_menu and type(args.sub_menu) == "function") and args.sub_menu or nil ,
checkable = args.checkable or (args.checked ~= nil) or false ,
checked = args.checked or false ,
tooltip = args.tooltip or nil ,
style = args.style or data.item_style ,
layout = args.layout or args.item_layout or nil ,
overlay_draw= args.overlay_draw or data.overlay_draw ,
item_border_color = args.item_border_color or data.item_border_color or nil ,
},
force_private = {
visible = true,
selected = true,
index = true,
},
autogen_getmap = true,
autogen_setmap = true,
autogen_signals = true,
})
item._private_data = private_data
item._internal = args._internal or {}
theme.setup_item_colors(data,item,args)
item.get_y = function()
return (args.y and args.y >= 0) and args.y or data.height - (data.margins.top or data.border_width) - data.item_height --Hack around missing :fit call for last item
end
item.get_height = function()
return args.height or data.item_height or beautiful.menu_height or 30
end
item.get_bg = function()
return data.bg
end
item.get_fg = function()
return data.fg
end
-- Setup underlay and overlay
for k, name in ipairs {"underlay", "overlay"} do
item["set_"..name] = function(item,underlay)
if not item._internal.underlay_init then
data:add_colors_group(name)
item._internal.underlay_init = true
end
item._internal[name.."_content"] = underlay
end
item.get_underlay = function(item)
return item._internal.underlay_content
end
item[name.."_alpha"] = args[name.."_alpha"]
item[name.."_style"] = args[name.."_style"]
item[name.."_align"] = args[name.."_align"]
end
item.state = theme.init_state(item)
item.underlay = args.underlay
item.overlay = args.overlay
for i=1,10 do
item["button"..i] = args["button"..i]
end
if data.max_items ~= nil and data.rowcount >= data.max_items then-- and (data._start_at or 0)
item._hidden = true
end
-- Use _internal to avoid the radical.object trigger
data._internal.visible_item_count = (data._internal.visible_item_count or 0) + 1
item._internal.f_key = data._internal.visible_item_count
-- Need to be done before painting
data._internal.items[#data._internal.items+1] = {}
data._internal.items[#data._internal.items] = item
-- Getters
item.get_selected = function(_)
return item.state[module.item_flags.SELECTED] == true
end
-- Setters
item.set_selected = function(_,value,force)
private_data.selected = value
-- Hide the sub-menu
local current_item = data._current_item
if current_item and current_item ~= item or force then
current_item.state[module.item_flags.SELECTED] = nil
current_item:emit_signal("selected::changed",false)
hide_sub_menu(current_item,data)
end
-- Unselect item
if value == false then
item.state[module.item_flags.SELECTED] = nil
return
end
-- Select the new one
if data.sub_menu_on == module.event.SELECTED and (current_item ~= item or not item._tmp_menu)then
module.execute_sub_menu(data,item)
end
item.state[module.item_flags.SELECTED] = true
data._current_item = item
end
-- Listen to signals
item:connect_signal("state::changed",function()
item:style()
-- Some item.style need full widget repaint
if item.style.need_full_repaint then
--TODO HACK HACK HACK for the repaint, this is really, really stupid
data._internal.layout:emit_signal("widget::redraw_needed")
--TODO END HACK
end
end)
-- Add support for long hover and press
local main_timer,press_timer = nil
item:connect_signal("mouse::enter",function(_,m,--[[mod,]]geo)
if not main_timer then
main_timer = timer{}
main_timer.timeout = 1.5
main_timer:connect_signal("timeout",function()
item._internal._is_long_hover = true
item:emit_signal("long::hover",item,mod,geo)
data:emit_signal("long::hover",item,mod,geo)
main_timer:stop()
end)
end
if not main_timer.started then
-- item:connect_signal("mouse::move",test)
main_timer:start()
end
end)
item:connect_signal("mouse::leave",function()
if main_timer and main_timer.started then
main_timer:stop()
-- item:disconnect_signal("mouse::move",test)
elseif item._internal._is_long_hover then
item._internal._is_long_hover = nil
item:emit_signal("long::exit",data,item)
end
end)
item:connect_signal("button::press",function()
if not press_timer then
press_timer = timer{}
press_timer.timeout = 1.5
press_timer:connect_signal("timeout",function()
item:emit_signal("long::press",data,item)
-- item:disconnect_signal("mouse::move",test)
press_timer:stop()
end)
end
if not press_timer.started then
-- item:connect_signal("mouse::move",test)
press_timer:start()
end
end)
item:connect_signal("button::release",function()
if press_timer and press_timer.started then
press_timer:stop()
end
end)
return item
end
return setmetatable(module, { __call = function(_, ...) return new_item(...) end, __index=load_async})
-- kate: space-indent on; indent-width 2; replace-tabs on;
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