319 lines
11 KiB
Lua
319 lines
11 KiB
Lua
local setmetatable = setmetatable
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local print,pairs = print,pairs
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local unpack = unpack
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local util = require( "awful.util" )
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local checkbox = require( "radical.widgets.checkbox" )
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local scroll = require( "radical.widgets.scroll" )
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local filter = require( "radical.widgets.filter" )
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local fkey = require( "radical.widgets.fkey" )
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local beautiful = require("beautiful" )
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local wibox = require( "wibox" )
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local color = require( "gears.color" )
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local cairo = require( "lgi" ).cairo
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local module = {}
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local function left(data)
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if data._current_item._tmp_menu then
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data = data._current_item._tmp_menu
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data.items[1][1].selected = true
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return true,data
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end
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end
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local function right(data)
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if data.parent_geometry and data.parent_geometry.is_menu then
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for k,v in ipairs(data.items) do
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if v[1]._tmp_menu == data or v[1].sub_menu_m == data then
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v[1].selected = true
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end
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end
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data.visible = false
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data = data.parent_geometry
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return true,data
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end
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end
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local function up(data)
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data.previous_item.selected = true
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end
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local function down(data)
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data.next_item.selected = true
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end
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function module:setup_key_hooks(data)
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data:add_key_hook({}, "Up" , "press", up )
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data:add_key_hook({}, "&" , "press", up )
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data:add_key_hook({}, "Down" , "press", down )
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data:add_key_hook({}, "KP_Enter", "press", down )
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data:add_key_hook({}, "Left" , "press", left )
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data:add_key_hook({}, "\"" , "press", left )
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data:add_key_hook({}, "Right" , "press", right )
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data:add_key_hook({}, "#" , "press", right )
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end
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--Get preferred item geometry
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local function item_fit(data,item,...)
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local w, h = item._internal.cache_w or 1,item._internal.cache_h or 1
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if item._internal.has_changed and data.visible then
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w, h = item._private_data._fit(...)
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item._internal.has_changed = false
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item._internal.pix_cache = {} --Clear the pimap cache
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end
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return w, item._private_data.height or h
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end
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-- Like an overlay, but under
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local function paint_underlay(data,item,cr,width,height)
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cr:save()
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cr:set_source_surface(item.underlay,width-item.underlay:get_width()-3)
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cr:paint_with_alpha(data.underlay_alpha)
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cr:restore()
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end
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-- As of July 2013, LGI is too slow to redraw big menus at ok speed
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-- This do a pixmap cache to allow pre-rendering
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local function cache_pixmap(item)
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item._internal.pix_cache = {}
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item.widget._draw = item.widget.draw
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item.widget.draw = function(self,wibox, cr, width, height)
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if not wibox.visible or item._hidden then return end
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if item._internal.pix_cache[10*width+7*height+(item.selected and 8888 or 999)] then
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cr:set_source_surface(item._internal.pix_cache[10*width+7*height+(item.selected and 8888 or 999)])
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cr:paint()
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else
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local img5 = cairo.ImageSurface.create(cairo.Format.ARGB32, width, height)
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local cr5 = cairo.Context(img5)
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item.widget._draw(self,wibox, cr5, width, height)
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cr:set_source_surface(img5)
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cr:paint()
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item._internal.pix_cache[10*width+7*height+(item.selected and 8888 or 999)] = img5
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return
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end
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end
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end
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function module:setup_item(data,item,args)
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--Create the background
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item.widget = wibox.widget.background()
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cache_pixmap(item)
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data.item_style(data,item,false,false)
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item.widget:set_fg(item._private_data.fg)
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item._internal.has_changed = true
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--Event handling
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item.widget:connect_signal("mouse::enter", function() item.selected = true end)
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item.widget:connect_signal("mouse::leave", function() item.selected = false end)
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item.widget:connect_signal("widget::updated", function() item._internal.has_changed = true end)
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data._internal.layout:add(item)
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--Be sure to always hide sub menus, even when data.visible is set manually
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data:connect_signal("visible::changed",function(_,vis)
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if data._tmp_menu and data.visible == false then
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data._tmp_menu.visible = false
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end
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end)
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data:connect_signal("parent_geometry::changed",function(_,vis)
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local fit_w,fit_h = data._internal.layout:fit()
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data.height = fit_h
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data.style(data)
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end)
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--Create the main item layout
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local l,la,lr = wibox.layout.fixed.horizontal(),wibox.layout.align.horizontal(),wibox.layout.fixed.horizontal()
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local m = wibox.layout.margin(la)
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m:set_margins (0)
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m:set_left ( data.item_style.margins.LEFT )
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m:set_right ( data.item_style.margins.RIGHT )
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m:set_top ( data.item_style.margins.TOP )
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m:set_bottom( data.item_style.margins.BOTTOM )
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local text_w = wibox.widget.textbox()
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text_w.draw = function(self,w, cr, width, height)
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if item.underlay then
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paint_underlay(data,item,cr,width,height)
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end
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wibox.widget.textbox.draw(self,w, cr, width, height)
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end
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text_w.fit = function(self,width,height) return width,height end
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item._private_data._fit = wibox.widget.background.fit
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m.fit = function(...)
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if not data.visible or (item.visible == false or item._filter_out == true or item._hidden == true) then
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return 0,0
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end
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return data._internal.layout.item_fit(data,item,...)
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end
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if data.fkeys_prefix == true then
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l:add(fkey(data,item))
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m:set_left ( 0 )
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end
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if args.prefix_widget then
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l:add(args.prefix_widget)
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end
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local icon = wibox.widget.imagebox()
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icon.fit = function(...)
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local w,h = wibox.widget.imagebox.fit(...)
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return w+3,h
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end
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if args.icon then
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icon:set_image(args.icon)
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end
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l:add(icon)
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if item._private_data.sub_menu_f or item._private_data.sub_menu_m then
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local subArrow = wibox.widget.imagebox() --TODO, make global
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subArrow.fit = function(box, w, h) return subArrow._image:get_width(),item.height end
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subArrow:set_image( beautiful.menu_submenu_icon )
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lr:add(subArrow)
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item.widget.fit = function(box,w,h,...)
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args.y = data.height-h-data.margins.top
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return wibox.widget.background.fit(box,w,h)
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end
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end
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if item.checkable then
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item._internal.get_map.checked = function()
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if type(item._private_data.checked) == "function" then
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return item._private_data.checked()
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else
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return item._private_data.checked
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end
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end
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local ck = wibox.widget.imagebox()
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ck:set_image(item.checked and checkbox.checked() or checkbox.unchecked())
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lr:add(ck)
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item._internal.set_map.checked = function (value)
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item._private_data.checked = value
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ck:set_image(item.checked and checkbox.checked() or checkbox.unchecked())
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item._internal.has_changed = true
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end
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end
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if args.suffix_widget then
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lr:add(args.suffix_widget)
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end
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la:set_left(l)
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la:set_middle(text_w)
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la:set_right(lr)
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item.widget:set_widget(m)
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local fit_w,fit_h = data._internal.layout:fit()
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data.width = fit_w
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data.height = fit_h
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data.style(data)
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item._internal.set_map.text = function (value)
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if data.disable_markup then
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text_w:set_text(value)
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else
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text_w:set_markup(value)
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end
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if data.auto_resize then
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local fit_w,fit_h = wibox.widget.textbox.fit(text_w,9999,9999)
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local is_largest = item == data._internal.largest_item_w
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item._internal.has_changed = true
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if not data._internal.largest_item_w_v or data._internal.largest_item_w_v < fit_w then
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data._internal.largest_item_w = item
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data._internal.largest_item_w_v = fit_w
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end
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--TODO find new largest is item is smaller
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-- if data._internal.largest_item_h_v < fit_h then
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-- data._internal.largest_item_h =item
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-- data._internal.largest_item_h_v = fit_h
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-- end
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end
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end
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item._internal.set_map.f_key = function(value)
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item._internal.has_changed = true
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item._internal.f_key = value
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data:remove_key_hook("F"..value)
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data:add_key_hook({}, "F"..value , "press", function()
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item.button1()
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data.visible = false
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end)
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end
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item._internal.get_map.f_key = function() return item._internal.f_key end
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item._internal.set_map.icon = function (value)
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icon:set_image(value)
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end
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item._internal.set_map.text(item._private_data.text)
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if data._internal.scroll_w and data.rowcount > data.max_items then
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data._internal.scroll_w.visible = true
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data._internal.scroll_w["up"]:emit_signal("widget::updated")
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data._internal.scroll_w["down"]:emit_signal("widget::updated")
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end
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end
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local function compute_geo(data)
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local w = data.default_width
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if data.auto_resize and data._internal.largest_item_w then
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w = data._internal.largest_item_w_v+100 > data.default_width and data._internal.largest_item_w_v+100 or data.default_width
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end
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local visblerow = data.filter_string == "" and data.rowcount or data._internal.visible_item_count
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if data.max_items and data.max_items < data.rowcount then
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visblerow = data.max_items
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if data.filter_string ~= "" then
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local cur,vis = (data._start_at or 1),0
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while (data._internal.items[cur] and data._internal.items[cur][1]) and cur < data.max_items + (data._start_at or 1) do
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vis = vis + (data._internal.items[cur][1]._filter_out and 0 or 1)
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cur = cur +1
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end
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visblerow = vis
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end
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end
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if not data._internal.has_widget then
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return w,(total and total > 0 and total or visblerow*data.item_height) + (data._internal.filter_tb and data.item_height or 0) + (data.max_items and data._internal.scroll_w.visible and (2*data.item_height) or 0)
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else
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local h = (visblerow-#data._internal.widgets)*data.item_height
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for k,v in ipairs(data._internal.widgets) do
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local fw,fh = v.widget:fit(9999,9999)
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h = h + fh
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end
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return w,h
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end
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end
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local function new(data)
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local l,real_l = wibox.layout.fixed.vertical(),nil
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real_l = wibox.layout.fixed.vertical()
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if data.max_items then
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data._internal.scroll_w = scroll(data)
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real_l:add(data._internal.scroll_w["up"])
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end
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real_l:add(l)
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if data.show_filter then
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if data.max_items then
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real_l:add(data._internal.scroll_w["down"])
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end
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local filter_tb = filter(data)
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real_l:add(filter_tb)
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data._internal.filter_tb = filter_tb.widget
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else
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if data.max_items then
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real_l:add(data._internal.scroll_w["down"])
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end
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end
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real_l.fit = function(a1,a2,a3)
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if not data.visible then return 1,1 end
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local result,r2 = wibox.layout.fixed.fit(a1,99999,99999)
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local total = data._total_item_height
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return compute_geo(data)
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end
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real_l.add = function(real_l,item)
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return wibox.layout.fixed.add(l,item.widget)
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end
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real_l.item_fit = item_fit
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real_l.setup_key_hooks = module.setup_key_hooks
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real_l.setup_item = module.setup_item
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data._internal.content_layout = l
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return real_l
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end
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return setmetatable(module, { __call = function(_, ...) return new(...) end })
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-- kate: space-indent on; indent-width 2; replace-tabs on;
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