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radical/base.lua

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local setmetatable = setmetatable
local pairs,ipairs = pairs, ipairs
local type,string = type,string
local print,unpack = print, unpack
local table = table
local beautiful = require( "beautiful" )
local util = require( "awful.util" )
local aw_key = require( "awful.key" )
local object = require( "radical.object" )
local vertical = require( "radical.layout.vertical" )
local theme = require( "radical.theme" )
local item_mod = require( "radical.item" )
local capi = { mouse = mouse, screen = screen , keygrabber = keygrabber, root=root, }
local module = {
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]]
PRESSED = 4 , -- Mouse pressed
HOVERED = -1 , -- Mouse hover
CHANGED = 6 , -- The item changed, need attention
USED = 7 , -- Common flag
CHECKED = 8 , -- When checkbox isn't enough
ALTERNATE = 9 ,
HIGHLIGHT = 10 ,
HEADER = 11,
-- Implementation defined flags
USR1 = 101,
USR2 = 102,
USR3 = 103,
USR4 = 104,
USR5 = 105,
USR6 = 106,
USR7 = 107,
USR8 = 108,
USR9 = 109,
USR10 = 110,
},
colors_by_id = theme.colors_by_id
}
theme.register_color(module.item_flags.DISABLED , "disabled" , "disabled" , true )
theme.register_color(module.item_flags.URGENT , "urgent" , "urgent" , true )
theme.register_color(module.item_flags.SELECTED , "focus" , "focus" , true )
theme.register_color(module.item_flags.PRESSED , "pressed" , "pressed" , true )
theme.register_color(module.item_flags.HOVERED , "hover" , "hover" , true )
theme.register_color(module.item_flags.CHANGED , "changed" , "changed" , true )
theme.register_color(module.item_flags.USED , "used" , "used" , true )
theme.register_color(module.item_flags.CHECKED , "checked" , "checked" , true )
theme.register_color(module.item_flags.ALTERNATE , "alternate" , "alternate" , true )
theme.register_color(module.item_flags.HIGHLIGHT , "highlight" , "highlight" , true )
-- register_color(item_flags.HEADER , ""
-- register_color(item_flags.USR1 , ""
-- register_color(item_flags.USR2 , ""
-- register_color(item_flags.USR3 , ""
-- register_color(item_flags.USR4 , ""
-- register_color(item_flags.USR5 , ""
-- register_color(item_flags.USR6 , ""
-- register_color(item_flags.USR7 , ""
-- register_color(item_flags.USR8 , ""
-- register_color(item_flags.USR9 , ""
-- register_color(item_flags.USR10 , ""
local function filter(data)
if not data.filter == false then
local fs,visible_counter = data.filter_string:lower(),0
data._internal.visible_item_count = 0
for k,v in pairs(data.items) do
local tmp = v._filter_out
v._filter_out = (v.text:lower():find(fs) == nil)-- or (fs ~= "")
if tmp ~= v._filter_out then
v.widget:emit_signal("widget::updated")
end
if (not v._filter_out) and (not v._hidden) then
visible_counter = visible_counter + v.height
data._internal.visible_item_count = data._internal.visible_item_count +1
v.f_key = data._internal.visible_item_count
end
end
data._total_item_height = visible_counter
local w,h = data._internal.layout:fit()
data.height = h
end
end
------------------------------------KEYBOARD HANDLING-----------------------------------
local function activateKeyboard(data)
if not data then return end
if not data or grabKeyboard == true then return end
if (not (data._internal.private_data.enable_keyboard == false)) and data.visible == true then
capi.keygrabber.run(function(mod, key, event)
for k,v in pairs(data._internal.filter_hooks or {}) do --TODO modkeys
if k.key == "Mod4" and (key == "End" or key == "Super_L") then
local found = false
for k3,v3 in ipairs(mod) do
if v3 == "Mod4" and event == k.event then
local retval,self = v(data,mod)
if self and type(self) == "table" then
data = self
end
end
end
end
if k.key == key and k.event == event then
local retval, self = v(data,mod)
if self and type(self) == "table" then
data = self
end
return retval
end
end
if event == "release" then
return true
end
if (key == 'Return') and data._current_item and data._current_item.button1 then
if data.sub_menu_on == module.event.BUTTON1 then
item_mod.execute_sub_menu(data,data._current_item)
else
data._current_item.button1()
data.visible = false
end
elseif key == 'Escape' or (key == 'Tab' and data.filter_string == "") then
data.visible = false
capi.keygrabber.stop()
elseif (key == 'BackSpace') and data.filter_string ~= "" and data.filter == true then
data.filter_string = data.filter_string:sub(1,-2)
filter(data)
elseif data.filter == true and key:len() == 1 then
data.filter_string = data.filter_string .. key:lower()
filter(data)
else
data.visible = false
capi.keygrabber.stop()
end
return true
end)
end
end
---------------------------------ITEM HANDLING----------------------------------
local function add_item(data,args)
local item = item_mod(data,args)
data._internal.setup_item(data,item,args)
if args.selected == true then
item.selected = true
end
item.index = data.rowcount
data:emit_signal("item::added",item)
return item
end
local function add_widget(data,widget,args)
args = args or {}
data._internal.has_widget = true
widget._fit = widget.fit
widget.fit = function(self,width,height)
local w,h = widget._fit(self,width or 1, height or 1)
return args.width or w,args.height or h
end
local item,private_data = object({
private_data = {
widget = widget,
selected = false,
},
force_private = {
visible = true,
selected = true,
},
autogen_getmap = true,
autogen_setmap = true,
autogen_signals = true,
})
item._private_data = private_data
item._internal = {}
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 end --Hack around missing :fit call for last item
data._internal.widgets[#data._internal.widgets+1] = item
data._internal.items[#data._internal.items+1] = {item}
data:emit_signal("widget::added",item,widget)
if data.visible then
local fit_w,fit_h = data._internal.layout:fit(9999,9999)
data.width = data._internal.width or fit_w
data.height = fit_h
end
end
local function add_prefix_widget(data,widget,args)
data:emit_signal("prefix_widget::added",widget,args)
end
local function add_suffix_widget(data,widget,args)
data:emit_signal("suffix_widget::added",widget,args)
end
local function add_embeded_menu(data,menu)
add_widget(data,menu._internal.layout)
menu._embeded_parent = data
end
local function add_key_binding(data,mod,key,func)
capi.root.keys(util.table.join(capi.root.keys(),aw_key(mod or {}, key, func and func() or function ()
print("bob")
data.visible = not data.visible
end)))
end
---------------------------------MENU HANDLING----------------------------------
local function new(args)
local internal,args = args.internal or {},args or {}
if not internal.items then internal.items = {} end
if not internal.widgets then internal.widgets = {} end
-- All the magic in the universe
local data,private_data = object({
private_data = {
-- Default settings
bg = args.bg or beautiful.menu_bg_normal or beautiful.bg_normal or "#000000",
fg = args.fg or beautiful.menu_fg_normal or beautiful.fg_normal or "#ffffff",
-- bg_focus = args.bg_focus or beautiful.menu_bg_focus or beautiful.bg_focus or "#ffffff",
-- fg_focus = args.fg_focus or beautiful.menu_fg_focus or beautiful.fg_focus or "#000000",
-- bg_alternate = args.bg_alternate or beautiful.menu_bg_alternate or beautiful.bg_alternate or beautiful.bg_normal,
-- bg_highlight = args.bg_highlight or beautiful.menu_bg_highlight or beautiful.bg_highlight or beautiful.bg_normal,
bg_header = args.bg_header or beautiful.menu_bg_header or beautiful.fg_normal,
bg_prefix = args.bg_prefix or nil,
-- bg_hover = args.bg_hover or nil,
-- fg_hover = args.fg_hover or nil,
border_color = args.border_color or beautiful.menu_border_color or beautiful.border_color or "#333333",
border_width = args.border_width or beautiful.menu_border_width or beautiful.border_width or 3,
separator_color = args.separator_color or beautiful.menu_separator_color or args.border_color or beautiful.menu_border_color or beautiful.border_color or "#333333",
item_height = args.item_height or beautiful.menu_height or 30,
item_width = args.item_width or nil,
width = args.width or beautiful.menu_width or 130,
default_width = args.width or beautiful.menu_width or 130,
icon_size = args.icon_size or nil,
auto_resize = args.auto_resize or true,
parent_geometry = args.parent or nil,
arrow_type = args.arrow_type or beautiful.menu_arrow_type or module.arrow_type.PRETTY,
visible = args.visible or false,
direction = args.direction or "top",
has_changed = false,
row = args.row or nil,
column = args.column or nil,
layout = args.layout or nil,
screen = args.screen or nil,
style = args.style or nil,
item_style = args.item_style or require("radical.item.style.basic"),
filter = args.filter ~= false,
show_filter = args.show_filter or false,
filter_string = args.filter_string or "",
suffix_widget = args.suffix_widget or nil,
prefix_widget = args.prefix_widget or nil,
fkeys_prefix = args.fkeys_prefix or false,
underlay_alpha = args.underlay_alpha or beautiful.underlay_alpha or 0.7,
underlay_style = args.underlay_style or nil,
filter_underlay = args.filter_underlay or nil,
filter_prefix = args.filter_prefix or "Filter:",
enable_keyboard = (args.enable_keyboard ~= false),
max_items = args.max_items or nil,
disable_markup = args.disable_markup or false,
x = args.x or 0,
y = args.y or 0,
sub_menu_on = args.sub_menu_on or module.event.SELECTED,
select_on = args.select_on or module.event.HOVER,
overlay = args.overlay or nil,
opacity = args.opacity or beautiful.menu_opacity or 1,
icon_transformation = args.icon_transformation or nil,
filter_underlay_style = args.filter_underlay_style or nil,
filter_underlay_color = args.filter_underlay_color,
filter_placeholder = args.filter_placeholder or "",
},
force_private = {
parent = true,
visible = true,
},
always_handle = {
width = true,
height = true,
},
autogen_getmap = true,
autogen_setmap = true,
autogen_signals = true,
})
internal.private_data = private_data
data.add_item,data.add_widget,data.add_embeded_menu,data._internal,data.add_key_binding = add_item,add_widget,add_embeded_menu,internal,add_key_binding
data.add_prefix_widget,data.add_suffix_widget=add_prefix_widget,add_suffix_widget
theme.setup_colors(data,args)
-- Getters
data.get_is_menu = function(_) return true end
data.get_margin = function(_) return {left=0,bottom=0,right=0,left=0} end
data.get_items = function(_) return internal.items end
data.get_rowcount = function(_) return #internal.items end
-- Setters
data.set_auto_resize = function(_,val) private_data[""] = val end
data.set_parent_geometry = function(_,value)
private_data.parent_geometry = value
if data._internal.get_direction then
data.direction = data._internal.get_direction(data)
end
if data._internal.set_position then
data._internal.set_position(data)
end
end
data.set_visible = function(_,value)
private_data.visible = value
if value then
local fit_w,fit_h = data._internal.layout:fit(9999,9999)
data.width = internal.width or fit_w
data.height = fit_h
elseif data._tmp_menu and data._current_item then
-- data._tmp_menu = nil
data._current_item._tmp_menu = nil
-- data._current_item.selected = false
data.item_style(data._current_item,{})
end
if internal.has_changed and data.style then
data.style(data,{arrow_x=20,margin=internal.margin})
end
-- if not internal.parent_geometry and data._internal.set_position then
internal.set_position(data)
-- end
if internal.set_visible then
internal:set_visible(value)
end
if value and not capi.keygrabber.isrunning() then
activateKeyboard(data)
elseif data.parent_geometry and not data.parent_geometry.is_menu and data.enable_keyboard then
capi.keygrabber.stop()
end
end
data.set_layout = function(_,value)
if value then
value:setup_key_hooks(data)
end
private_data.layout = value
end
-- set_map.auto_resize = function(value)
-- for k,v in ipairs(internal.items) do
-- TODO check all items size, ajustthe fit and global width
-- end
-- end
data.get_current_index = function(_)
if data._current_item then
for k,v in ipairs(internal.items) do --rows
if data._current_item == v then
return k
end
end
end
end
data.get_previous_item = function(_)
local candidate,idx = internal.items[(data.current_index or 0)-1],(data.current_index or 0)-1
while candidate and (candidate._hidden or candidate._filter_out) and idx > 0 do
candidate,idx = internal.items[idx - 1],idx-1
end
return (candidate or internal.items[data.rowcount])
end
data.get_next_item = function(_)
local candidate,idx = internal.items[(data.current_index or 0)+1],(data.current_index or 0)+1
while candidate and (candidate._hidden or candidate._filter_out) and idx <= data.rowcount do
candidate,idx = internal.items[idx + 1],idx+1
end
return (candidate or internal.items)
end
--Repaint when appearance properties change
for k,v in ipairs({"bg","fg","border_color","border_width","item_height","width","arrow_type"}) do
data:connect_signal(v.."::changed",function()
if data.visible and data.style then
-- data.style(data,{arrow_x=20,margin=internal.margin})
else
data.has_changed = true
end
end)
end
function data:add_key_hook(mod, key, event, func)
if key and event and func then
internal.filter_hooks = internal.filter_hooks or {}
internal.filter_hooks[{key = key, event = event, mod = mod}] = func
end
end
function data:remove_key_hook(key) --TODO broken?
for k,v in pairs(internal.filter_hooks or {}) do
if k.key == key then
internal.filter_hooks[k] = nil
break
end
end
end
function data:clear()
internal.items = {}
data:emit_signal("clear::menu")
end
function data:swap(item1,item2)
if not item1 or not item2 then return end
if not item1 or not item2 and item1 ~= item2 then return end
local idx1,idx2
for k,v in ipairs(internal.items) do --rows
for k2,v2 in ipairs(v) do --columns
if item2 == v2 then
idx2 = k
end
if item1 == v2 then
idx1 = k
end
end
if idx1 and idx2 then
break
end
end
if idx1 and idx2 then
internal.items[idx1],internal.items[idx2] = internal.items[idx2],internal.items[idx1]
item1.index,item2.index = idx2,idx1
data:emit_signal("item::swapped",item1,item2,idx1,idx2)
end
end
function data:move(item,idx)
if not item or not idx then return end
local idx1 = nil
for k,v in ipairs(internal.items) do --rows
if item == v then
idx1 = k
break
end
end
if idx1 then
-- if idx < idx1 then
-- idx = idx + 1
-- end
if idx1 > #internal.items + 1 then
idx1 = #internal.items + 1
end
if idx ~= idx1 then
table.insert(internal.items,idx1,table.remove(internal.items,idx))
item.index = idx
data:emit_signal("item::moved",item,idx,idx1)
for i=idx,idx1 do
internal.items[i].index = i
end
end
end
end
function data:remove(item)
if not item then return end
local idx1 = nil
for k,v in ipairs(internal.items) do --rows
if item == v then
idx1 = k
break
end
end
if idx1 then
table.remove(internal.items,idx1)
data:emit_signal("item::removed",item,idx1)
for i=idx1,#internal.items do
internal.items[i].index = i
end
end
end
function data:append(item)
if not item then return end
internal.items[#internal.items + 1] = {item}
data:emit_signal("item::appended",item)
end
function data:scroll_up()
if data.max_items ~= nil and data.rowcount >= data.max_items and (data._start_at or 1) > 1 then
local current_item = data._current_item
if current_item then
current_item:set_selected(false,true)
end
data._start_at = (data._start_at or 1) - 1
internal.items[data._start_at]._hidden = false
data:emit_signal("_hidden::changed",internal.items[data._start_at])
internal.items[data._start_at+data.max_items]._hidden = true
data:emit_signal("_hidden::changed",internal.items[data._start_at+data.max_items])
filter(data)
end
end
function data:scroll_down()
if data.max_items ~= nil and data.rowcount >= data.max_items and (data._start_at or 1)+data.max_items <= data.rowcount then
local current_item = data._current_item
if current_item then
current_item:set_selected(false,true)
end
data._start_at = (data._start_at or 1) + 1
internal.items[data._start_at-1]._hidden = true
data:emit_signal("_hidden::changed",internal.items[data._start_at-1])
internal.items[data._start_at-1+data.max_items]._hidden = false
data:emit_signal("_hidden::changed",internal.items[data._start_at-1+data.max_items])
filter(data)
end
end
if private_data.layout then
private_data.layout:setup_key_hooks(data)
end
data._internal.setup_drawable(data)
return data
end
return setmetatable(module, { __call = function(_, ...) return new(...) end })
-- kate: space-indent on; indent-width 2; replace-tabs on;
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