radical/item/init.lua

298 lines
9.7 KiB
Lua

local type = type
local beautiful = require("beautiful")
local theme = require("radical.theme")
local timer = require("gears.timer")
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
--TODO handle colors this way
-- elseif key:sub(1,7 ) == "get_fg_" then
--
-- elseif key:sub(1,7 ) == "get_bg_" then
--
-- elseif key:sub(1,17) == "get_border_color_" then
--
end
return rawget(module,key)
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 function set_infoshapes(item, shapes)
if item.widget and item.widget.get_children_by_id then
local infoshape_widget = item.widget:get_children_by_id("infoshapes")[1]
if infoshape_widget then
infoshape_widget:set_infoshapes(shapes)
end
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)
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.item_border_color ,
border_width= args.border_width or data.item_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 ,
infoshapes = args.infoshapes or nil ,
shape = args.shape or data.item_shape ,
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_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
item.state = theme.init_state(item)
for i=1,10 do
item["button"..i] = args["button"..i]
end
-- Invalidate the filter when there is still room for new items
-- this is slow, but more reliable than it was before
if data._internal.visible_item_count
and data._internal.visible_item_count < (data.max_items or 9999999) then
data._internal.visible_item_count = nil
end
-- 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
item.state[module.item_flags.SELECTED] = true
data._current_item = item
end
function item:set_hover(value)
local item_style = item.item_style or data.item_style
item.state[module.item_flags.HOVERED] = value and true or nil
item_style(item)
end
function item:set_text(text)
local text_w = item._internal.text_w
if not text_w then return end
if data.disable_markup then
text_w:set_text(text)
else
text_w:set_markup(text)
end
--TODO find new largest is item is smaller
-- if data.auto_resize then
-- local fit_w,fit_h = text_w:get_preferred_size()
-- local is_largest = item == data._internal.largest_item_h
-- if not data._internal.largest_item_h_v or data._internal.largest_item_h_v < fit_h then
-- data._internal.largest_item_h =item
-- data._internal.largest_item_h_v = fit_h
-- end
-- end
item._private_data.text = text
end
-- Overlay and underlay
item.set_infoshapes = set_infoshapes
item.set_icon = function (_,value)
local icon_w = item._internal.icon_w
if not icon_w then return end
icon_w:set_image(value)
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,{},geo)
data:emit_signal("long::hover",item,{},geo) --TODO mouse::enter should have modifiers
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;