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local M = {}
local awful = require("awful")
local beautiful = require("beautiful")
local gstring = require("gears.string")
local wibox = require("wibox")
local Page = {}
function Page:set_visible(visible, this_screen)
local border_color = nil
if visible then
if this_screen then
border_color = beautiful.border_focus or '#ffffff'
else
border_color = beautiful.border_marked or '#d00000'
end
else
border_color = beautiful.border_normal or '#000000'
end
self.border:set_color(border_color)
end
function Page:client_remove(client)
local wgt = self._widgets[client]
if wgt then
self.client_container:remove_widgets(wgt)
end
self._widgets[client] = nil
end
function Page:client_add(c)
local font = beautiful.small_text_font or "sans 7"
local bg_normal = beautiful.bg_normal or "#000000"
local fg_normal = beautiful.fg_normal or "#ffffff"
local bg_focus = beautiful.bg_focus or "#ffffff"
local fg_focus = beautiful.fg_focus or "#000000"
local bg_urgent = beautiful.bg_urgent or "#ffffff"
local fg_urgent = beautiful.fg_urgent or "#d00000"
local tb = wibox.widget.textbox("", false)
local bg = wibox.container.background(tb, bg)
tb:set_font(font)
local function update_text(c)
local text = gstring.xml_escape(c.name) or ""
-- add markers for window state (maximized, floating)
if c.maximized then
text = '<b>+</b>' .. text
else
if c.maximized_horizontal then text = '⬌' .. text end
if c.maximized_vertical then text = '⬍' .. text end
if c.floating then text = '✈' .. text end
end
tb:set_markup(text)
end
c:connect_signal("property::name", update_text)
c:connect_signal("property::floating", update_text)
c:connect_signal("property::maximized", update_text)
c:connect_signal("property::maximized_horizontal", update_text)
c:connect_signal("property::maximized_vertical", update_text)
c:connect_signal("focus",
function(c)
if c.screen == self.screen then
bg:set_bg(bg_focus)
bg:set_fg(fg_focus)
end
end)
c:connect_signal("unfocus",
function(c)
if c.screen == self.screen then
bg:set_bg(bg_normal)
bg:set_fg(fg_normal)
end
end)
c:connect_signal("property::urgent",
function(c)
if c.urgent then
bg:set_bg(bg_urgent)
bg:set_fg(fg_urgent)
else
if c == client.focus and c.screen == self.screen then
bg:set_bg(bg_focus)
bg:set_fg(fg_focus)
else
bg:set_bg(bg_normal)
bg:set_fg(fg_normal)
end
end
end)
update_text(c)
self.client_container:add(bg)
self._widgets[c] = bg
end
function Page:new(tag, screen, index)
local ret = setmetatable({}, self)
self.__index = self
local client_container = wibox.layout.flex.vertical()
local border_width = beautiful.border_width or 1
local margin = wibox.container.margin(client_container)
margin.margins = border_width
local page_number = wibox.widget.textbox(tostring(index))
page_number:set_font('mono 32')
page_number:set_align ('center')
page_number:set_valign('center')
page_number:set_opacity(0.2)
local stack = wibox.layout.stack()
stack:add(page_number, margin)
ret.client_container = client_container
ret.border = margin
ret.tag = tag
ret.screen = screen
-- a table of mapping clients to their widgets
ret._widgets = {}
-- top-level widget containing the page
ret.widget = stack
ret:set_visible(tag.selected, tag.screen == screen)
-- add initial clients
for i, client in pairs(tag:clients()) do
ret:client_add(client)
end
tag:connect_signal('tagged', function (t, c) ret:client_add(c) end)
tag:connect_signal('untagged', function (t, c) ret:client_remove(c) end)
return ret
end
local PagerDesk = {}
function PagerDesk:new(desktop, screen)
local ret = setmetatable({}, self)
self.__index = self
local title_desk = wibox.widget.textbox()
local function set_title(desktop)
title_desk:set_text(string.format("[%d] %s", desktop.idx, desktop.name))
end
desktop:connect_signal("desktop:name", set_title)
set_title(desktop)
local title_page = wibox.widget.textbox()
local title_bar = wibox.layout.ratio.horizontal()
title_bar:set_spacing(10)
title_bar:set_spacing_widget(wibox.widget.separator())
title_bar:add(title_desk, title_page)
title_bar:set_ratio(1, 0.75)
local title_normal_bg = beautiful.bg_normal or "#ffffff"
local title_normal_fg = beautiful.fg_normal or "#000000"
local title_focus_bg = beautiful.bg_focus or "#ff0000"
local title_focus_fg = beautiful.fg_focus or "#000000"
local title_container = wibox.container.background(title_bar, title_normal_bg)
title_container:set_fg(title_normal_fg)
local pages_container = wibox.layout.flex.vertical()
ret.pages = {}
for i = 1, #desktop.pages do
ret.pages[i] = Page:new(desktop.pages[i], screen, i)
pages_container:add(ret.pages[i].widget)
end
-- top-level widget containing the desktop
ret.widget = wibox.layout.align.vertical(title_container, pages_container)
desktop:connect_signal("page:view",
function(desktop, s, page_idx)
if s == ret.screen then
title_page:set_text(string.format("%d", page_idx))
end
ret.pages[page_idx]:set_visible(true, s == ret.screen)
end)
desktop:connect_signal("page:hide",
function(desktop, page_idx)
ret.pages[page_idx]:set_visible(false, false)
end)
client.connect_signal("focus",
function(c)
if c.screen == ret.screen then
title_container:set_fg(title_focus_fg)
title_container:set_bg(title_focus_bg)
else
title_container:set_fg(title_normal_fg)
title_container:set_bg(title_normal_bg)
end
end)
ret.desktop = desktop
ret.screen = screen
return ret
end
local Pager = {}
function Pager:set_desktop(desktop)
if self._desktops[desktop] == nil then
self._desktops[desktop] = PagerDesk:new(desktop, self.screen)
end
self.widget:set_widget(self._desktops[desktop].widget)
end
function Pager:new(workspace, screen)
local ret = setmetatable({}, self)
self.__index = self
-- this is merely a placeholder for switching between
-- PagerDesk widgets
ret.widget = wibox.container.constraint()
ret._desktops = {}
ret.screen = screen
workspace.signals:connect_signal("desktop:view",
function(signals, view_screen, desktop)
if view_screen == ret.screen then
ret:set_desktop(desktop)
end
end)
return ret
end
M.Pager = Pager
return M
|
