382 lines
11 KiB
Lua
382 lines
11 KiB
Lua
---------------------------------------------------------------------------
|
||
--- Wibox module for awful.
|
||
-- This module allows you to easily create wibox and attach them to the edge of
|
||
-- a screen.
|
||
--
|
||
-- @author Emmanuel Lepage Vallee <elv1313@gmail.com>
|
||
-- @copyright 2016 Emmanuel Lepage Vallee
|
||
-- @classmod awful.wibar
|
||
---------------------------------------------------------------------------
|
||
|
||
-- Grab environment we need
|
||
local capi =
|
||
{
|
||
screen = screen,
|
||
client = client
|
||
}
|
||
local setmetatable = setmetatable
|
||
local tostring = tostring
|
||
local ipairs = ipairs
|
||
local error = error
|
||
local wibox = require("wibox")
|
||
local beautiful = require("beautiful")
|
||
local util = require("awful.util")
|
||
local placement = require("awful.placement")
|
||
|
||
local function get_screen(s)
|
||
return s and capi.screen[s]
|
||
end
|
||
|
||
local awfulwibar = { mt = {} }
|
||
|
||
--- Array of table with wiboxes inside.
|
||
-- It's an array so it is ordered.
|
||
local wiboxes = setmetatable({}, {__mode = "v"})
|
||
|
||
-- Compute the margin on one side
|
||
local function get_margin(w, position, auto_stop)
|
||
local h_or_w = (position == "top" or position == "bottom") and "height" or "width"
|
||
local ret = 0
|
||
|
||
for _, v in ipairs(wiboxes) do
|
||
-- Ignore the wibars placed after this one
|
||
if auto_stop and v == w then break end
|
||
|
||
if v.position == position and v.screen == w.screen and v.visible then
|
||
ret = ret + v[h_or_w]
|
||
end
|
||
end
|
||
|
||
return ret
|
||
end
|
||
|
||
-- `honor_workarea` cannot be used as it does modify the workarea itself.
|
||
-- a manual padding has to be generated.
|
||
local function get_margins(w)
|
||
local position = w.position
|
||
assert(position)
|
||
|
||
local margins = {left=0, right=0, top=0, bottom=0}
|
||
|
||
margins[position] = get_margin(w, position, true)
|
||
|
||
-- Avoid overlapping wibars
|
||
if position == "left" or position == "right" then
|
||
margins.top = get_margin(w, "top" )
|
||
margins.bottom = get_margin(w, "bottom")
|
||
end
|
||
|
||
return margins
|
||
end
|
||
|
||
-- Create the placement function
|
||
local function gen_placement(position, stretch)
|
||
local maximize = (position == "right" or position == "left") and
|
||
"maximize_vertically" or "maximize_horizontally"
|
||
|
||
return placement[position] + (stretch and placement[maximize] or nil)
|
||
end
|
||
|
||
-- Attach the placement function.
|
||
local function attach(wb, align)
|
||
gen_placement(align, wb._stretch)(wb, {
|
||
attach = true,
|
||
update_workarea = true,
|
||
margins = get_margins(wb)
|
||
})
|
||
end
|
||
|
||
-- Re-attach all wibars on a given wibar screen
|
||
local function reattach(wb)
|
||
local s = wb.screen
|
||
for _, w in ipairs(wiboxes) do
|
||
if w ~= wb and w.screen == s then
|
||
if w.detach_callback then
|
||
w.detach_callback()
|
||
w.detach_callback = nil
|
||
end
|
||
attach(w, w.position)
|
||
end
|
||
end
|
||
end
|
||
|
||
--- The wibox position.
|
||
-- @property position
|
||
-- @param string Either "left", right", "top" or "bottom"
|
||
|
||
local function get_position(wb)
|
||
return wb._position or "top"
|
||
end
|
||
|
||
local function set_position(wb, position)
|
||
-- Detach first to avoid any uneeded callbacks
|
||
if wb.detach_callback then
|
||
wb.detach_callback()
|
||
|
||
-- Avoid disconnecting twice, this produces a lot of warnings
|
||
wb.detach_callback = nil
|
||
end
|
||
|
||
-- Move the wibar to the end of the list to avoid messing up the others in
|
||
-- case there is stacked wibars on one side.
|
||
if wb._position then
|
||
for k, w in ipairs(wiboxes) do
|
||
if w == wb then
|
||
table.remove(wiboxes, k)
|
||
end
|
||
end
|
||
table.insert(wiboxes, wb)
|
||
end
|
||
|
||
-- In case the position changed, it may be necessary to reset the size
|
||
if (wb._position == "left" or wb._position == "right")
|
||
and (position == "top" or position == "bottom") then
|
||
wb.height = math.ceil(beautiful.get_font_height(wb.font) * 1.5)
|
||
elseif (wb._position == "top" or wb._position == "bottom")
|
||
and (position == "left" or position == "right") then
|
||
wb.width = math.ceil(beautiful.get_font_height(wb.font) * 1.5)
|
||
end
|
||
|
||
-- Changing the position will also cause the other margins to be invalidated.
|
||
-- For example, adding a wibar to the top will change the margins of any left
|
||
-- or right wibars. To solve, this, they need to be re-attached.
|
||
reattach(wb)
|
||
|
||
-- Set the new position
|
||
wb._position = position
|
||
|
||
-- Attach to the new position
|
||
attach(wb, position)
|
||
end
|
||
|
||
--- Stretch the wibar.
|
||
--
|
||
-- @property stretch
|
||
-- @param[opt=true] boolean
|
||
|
||
local function get_stretch(w)
|
||
return w._stretch
|
||
end
|
||
|
||
local function set_stretch(w, value)
|
||
w._stretch = value
|
||
|
||
attach(w, w.position)
|
||
end
|
||
|
||
--- Remove a wibar.
|
||
-- @function remove
|
||
local function remove(self)
|
||
self.visible = false
|
||
|
||
if self.detach_callback then
|
||
self.detach_callback()
|
||
self.detach_callback = nil
|
||
end
|
||
|
||
for k, w in ipairs(wiboxes) do
|
||
if w == self then
|
||
table.remove(wiboxes, k)
|
||
end
|
||
end
|
||
|
||
self._screen = nil
|
||
end
|
||
|
||
--- Get a wibox position if it has been set, or return top.
|
||
-- @param wb The wibox
|
||
-- @deprecated awful.wibar.get_position
|
||
-- @return The wibox position.
|
||
function awfulwibar.get_position(wb)
|
||
util.deprecate("Use wb:get_position() instead of awful.wibar.get_position")
|
||
return get_position(wb)
|
||
end
|
||
|
||
--- Put a wibox on a screen at this position.
|
||
-- @param wb The wibox to attach.
|
||
-- @param position The position: top, bottom left or right.
|
||
-- @param screen This argument is deprecated, use wb.screen directly.
|
||
-- @deprecated awful.wibar.set_position
|
||
function awfulwibar.set_position(wb, position, screen) --luacheck: no unused args
|
||
util.deprecate("Use wb:set_position(position) instead of awful.wibar.set_position")
|
||
|
||
set_position(wb, position)
|
||
end
|
||
|
||
--- Attach a wibox to a screen.
|
||
--
|
||
-- This function has been moved to the `awful.placement` module. Calling this
|
||
-- no longer does anything.
|
||
--
|
||
-- @param wb The wibox to attach.
|
||
-- @param position The position of the wibox: top, bottom, left or right.
|
||
-- @param screen The screen to attach to
|
||
-- @see awful.placement
|
||
-- @deprecated awful.wibar.attach
|
||
function awfulwibar.attach(wb, position, screen) --luacheck: no unused args
|
||
util.deprecate("awful.wibar.attach is deprecated, use the 'attach' property"..
|
||
" of awful.placement. This method doesn't do anything anymore"
|
||
)
|
||
end
|
||
|
||
--- Align a wibox.
|
||
--
|
||
-- Supported alignment are:
|
||
--
|
||
-- * top_left
|
||
-- * top_right
|
||
-- * bottom_left
|
||
-- * bottom_right
|
||
-- * left
|
||
-- * right
|
||
-- * top
|
||
-- * bottom
|
||
-- * centered
|
||
-- * center_vertical
|
||
-- * center_horizontal
|
||
--
|
||
-- @param wb The wibox.
|
||
-- @param align The alignment
|
||
-- @param screen This argument is deprecated. It is not used. Use wb.screen
|
||
-- directly.
|
||
-- @deprecated awful.wibar.align
|
||
-- @see awful.placement.align
|
||
function awfulwibar.align(wb, align, screen) --luacheck: no unused args
|
||
if align == "center" then
|
||
util.deprecate("awful.wibar.align(wb, 'center' is deprecated, use 'centered'")
|
||
align = "centered"
|
||
end
|
||
|
||
if screen then
|
||
util.deprecate("awful.wibar.align 'screen' argument is deprecated")
|
||
end
|
||
|
||
if placement[align] then
|
||
return placement[align](wb)
|
||
end
|
||
end
|
||
|
||
--- Stretch a wibox so it takes all screen width or height.
|
||
--
|
||
-- **This function has been removed.**
|
||
--
|
||
-- @deprecated awful.wibox.stretch
|
||
-- @see awful.placement
|
||
-- @see awful.wibar.stretch
|
||
|
||
--- Create a new wibox and attach it to a screen edge.
|
||
-- You can add also position key with value top, bottom, left or right.
|
||
-- You can also use width or height in % and set align to center, right or left.
|
||
-- You can also set the screen key with a screen number to attach the wibox.
|
||
-- If not specified, the primary screen is assumed.
|
||
-- @see wibox
|
||
-- @tparam[opt=nil] table arg
|
||
-- @tparam string arg.position The position.
|
||
-- @tparam string arg.stretch If the wibar need to be stretched to fill the screen.
|
||
-- @tparam integer arg.border_width Border width.
|
||
-- @tparam string arg.border_color Border color.
|
||
-- @tparam boolean arg.ontop On top of other windows.
|
||
-- @tparam string arg.cursor The mouse cursor.
|
||
-- @tparam boolean arg.visible Visibility.
|
||
-- @tparam number arg.opacity The opacity of the wibox, between 0 and 1.
|
||
-- @tparam string arg.type The window type (desktop, normal, dock, …).
|
||
-- @tparam integer arg.x The x coordinates.
|
||
-- @tparam integer arg.y The y coordinates.
|
||
-- @tparam integer arg.width The width of the wibox.
|
||
-- @tparam integer arg.height The height of the wibox.
|
||
-- @tparam screen arg.screen The wibox screen.
|
||
-- @tparam wibox.widget arg.widget The widget that the wibox displays.
|
||
-- @param arg.shape_bounding The wibox’s bounding shape as a (native) cairo surface.
|
||
-- @param arg.shape_clip The wibox’s clip shape as a (native) cairo surface.
|
||
-- @tparam color arg.bg The background of the wibox.
|
||
-- @tparam surface arg.bgimage The background image of the drawable.
|
||
-- @tparam color arg.fg The foreground (text) of the wibox.
|
||
-- @return The new wibar
|
||
-- @function awful.wibar
|
||
function awfulwibar.new(arg)
|
||
arg = arg or {}
|
||
local position = arg.position or "top"
|
||
local has_to_stretch = true
|
||
local screen = get_screen(arg.screen or 1)
|
||
|
||
arg.type = arg.type or "dock"
|
||
|
||
if position ~= "top" and position ~="bottom"
|
||
and position ~= "left" and position ~= "right" then
|
||
error("Invalid position in awful.wibar(), you may only use"
|
||
.. " 'top', 'bottom', 'left' and 'right'")
|
||
end
|
||
|
||
-- Set default size
|
||
if position == "left" or position == "right" then
|
||
arg.width = arg.width or math.ceil(beautiful.get_font_height(arg.font) * 1.5)
|
||
if arg.height then
|
||
has_to_stretch = false
|
||
if arg.screen then
|
||
local hp = tostring(arg.height):match("(%d+)%%")
|
||
if hp then
|
||
arg.height = math.ceil(screen.geometry.height * hp / 100)
|
||
end
|
||
end
|
||
end
|
||
else
|
||
arg.height = arg.height or math.ceil(beautiful.get_font_height(arg.font) * 1.5)
|
||
if arg.width then
|
||
has_to_stretch = false
|
||
if arg.screen then
|
||
local wp = tostring(arg.width):match("(%d+)%%")
|
||
if wp then
|
||
arg.width = math.ceil(screen.geometry.width * wp / 100)
|
||
end
|
||
end
|
||
end
|
||
end
|
||
|
||
arg.screen = nil
|
||
|
||
local w = wibox(arg)
|
||
|
||
w.screen = screen
|
||
w._screen = screen --HACK When a screen is removed, then getbycoords wont work
|
||
w._stretch = arg.stretch == nil and has_to_stretch or arg.stretch
|
||
|
||
w.get_position = get_position
|
||
w.set_position = set_position
|
||
|
||
w.get_stretch = get_stretch
|
||
w.set_stretch = set_stretch
|
||
w.remove = remove
|
||
|
||
if arg.visible == nil then w.visible = true end
|
||
|
||
w:set_position(position)
|
||
|
||
table.insert(wiboxes, w)
|
||
|
||
w:connect_signal("property::visible", function() reattach(w) end)
|
||
|
||
return w
|
||
end
|
||
|
||
capi.screen.connect_signal("removed", function(s)
|
||
local wibars = {}
|
||
for _, wibar in ipairs(wiboxes) do
|
||
if wibar._screen == s then
|
||
table.insert(wibars, wibar)
|
||
end
|
||
end
|
||
for _, wibar in ipairs(wibars) do
|
||
wibar:remove()
|
||
end
|
||
end)
|
||
|
||
function awfulwibar.mt:__call(...)
|
||
return awfulwibar.new(...)
|
||
end
|
||
|
||
--@DOC_wibox_COMMON@
|
||
|
||
return setmetatable(awfulwibar, awfulwibar.mt)
|
||
|
||
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
|