awesome/lib/naughty/list/notifications.lua

384 lines
13 KiB
Lua

----------------------------------------------------------------------------
--- Get a list of all currently active notifications.
--
-- @DOC_awful_notification_notificationlist_bottombar_EXAMPLE@
--
-- @author Emmanuel Lepage Vallee <elv1313@gmail.com>
-- @copyright 2017 Emmanuel Lepage Vallee
-- @widgetmod naughty.list.notifications
-- @supermodule wibox.widget.base
-- @see awful.widget.common
----------------------------------------------------------------------------
local wibox = require("wibox")
local awcommon = require("awful.widget.common")
local abutton = require("awful.button")
local gtable = require("gears.table")
local gtimer = require("gears.timer")
local beautiful= require("beautiful")
local naughty = require("naughty.core")
local default_widget = require("naughty.widget._default")
local module = {}
--- The shape used for a normal notification.
-- @beautiful beautiful.notification_shape_normal
-- @tparam[opt=gears.shape.rectangle] gears.shape shape
-- @see gears.shape
--- The shape used for a selected notification.
-- @beautiful beautiful.notification_shape_selected
-- @tparam[opt=gears.shape.rectangle] gears.shape shape
-- @see gears.shape
--- The shape border color for normal notifications.
-- @beautiful beautiful.notification_shape_border_color_normal
-- @param color
-- @see gears.color
--- The shape border color for selected notifications.
-- @beautiful beautiful.notification_shape_border_color_selected
-- @param color
-- @see gears.color
--- The shape border width for normal notifications.
-- @beautiful beautiful.notification_shape_border_width_normal
-- @param[opt=0] number
--- The shape border width for selected notifications.
-- @beautiful beautiful.notification_shape_border_width_selected
-- @param[opt=0] number
--- The notification icon size.
-- @beautiful beautiful.notification_icon_size_normal
-- @param[opt=0] number
--- The selected notification icon size.
-- @beautiful beautiful.notification_icon_size_selected
-- @param[opt=0] number
--- The background color for normal notifications.
-- @beautiful beautiful.notification_bg_normal
-- @param color
-- @see gears.color
--- The background color for selected notifications.
-- @beautiful beautiful.notification_bg_selected
-- @param color
-- @see gears.color
--- The foreground color for normal notifications.
-- @beautiful beautiful.notification_fg_normal
-- @param color
-- @see gears.color
--- The foreground color for selected notifications.
-- @beautiful beautiful.notification_fg_selected
-- @param color
-- @see gears.color
--- The background image for normal notifications.
-- @beautiful beautiful.notification_bgimage_normal
-- @tparam string|gears.surface bgimage_normal
-- @see gears.surface
--- The background image for selected notifications.
-- @beautiful beautiful.notification_bgimage_selected
-- @tparam string|gears.surface bgimage_selected
-- @see gears.surface
local default_buttons = gtable.join(
abutton({ }, 1, function(n) n:destroy() end),
abutton({ }, 3, function(n) n:destroy() end)
)
local props = {"shape_border_color", "bg_image" , "fg",
"shape_border_width", "shape" , "bg",
"icon_size"}
-- Use a cached loop instead of an large function like the taglist and tasklist
local function update_style(self)
self._private.style_cache = self._private.style_cache or {}
for _, state in ipairs {"normal", "selected"} do
local s = {}
for _, prop in ipairs(props) do
if self._private.style[prop.."_"..state] ~= nil then
s[prop] = self._private.style[prop.."_"..state]
else
s[prop] = beautiful["notification_"..prop.."_"..state]
end
end
self._private.style_cache[state] = s
end
end
local function wb_label(notification, self)
-- Get the title
local title = notification.title
local style = self._private.style_cache[notification.selected and "selected" or "normal"]
if notification.fg or style.fg then
title = "<span color='" .. (notification.fg or style.fg) .. "'>" .. title .. "</span>"
end
return title, notification.bg or style.bg, style.bg_image, notification.icon, {
shape = notification.shape or style.shape,
shape_border_width = notification.border_width or style.shape_border_width,
shape_border_color = notification.border_color or style.shape_border_color,
icon_size = style.icon_size,
}
end
-- Remove some callback boilerplate from the user provided templates.
local function create_callback(w, n)
awcommon._set_common_property(w, "notification", n)
end
local function update(self)
-- Checking style_cache helps to avoid useless redraw during initialization
if not self._private.base_layout or not self._private.style_cache then return end
awcommon.list_update(
self._private.base_layout,
default_buttons,
function(o) return wb_label(o, self) end,
self._private.data,
naughty.active,
{
create_callback = create_callback,
widget_template = self._private.widget_template or default_widget
}
)
end
local notificationlist = {}
--- The notificationlist parent notification.
-- @property notification
-- @tparam naughty.notification notification
-- @propertydefault This is usually set in the construtor.
-- @propemits true false
-- @see naughty.notification
--- A `wibox.layout` to be used to place the entries.
--
-- If no layout is specified, a `wibox.layout.flex.horizontal` will be created
-- automatically.
--
-- @property base_layout
-- @tparam[opt=wibox.layout.flex.horizontal] widget base_layout
-- @propemits true false
-- @usebeautiful beautiful.notification_spacing
-- @see wibox.layout.fixed.horizontal
-- @see wibox.layout.fixed.vertical
-- @see wibox.layout.flex.horizontal
-- @see wibox.layout.flex.vertical
-- @see wibox.layout.grid
--- The notificationlist parent notification.
-- @property widget_template
-- @tparam[opt=nil] template|nil widget_template
-- @propertydefault The default template displays the icon, title, message and
-- actions.
-- @propemits true false
--- A table with values to override each `beautiful.notification_action` values.
-- @property style
-- @tparam[opt=nil] table|nil style
-- @propertytype nil Use the values from `beautiful` rather than hardcoded ones.
-- @propemits true false
-- @usebeautiful beautiful.notification_shape_normal Fallback.
-- @usebeautiful beautiful.notification_shape_selected Fallback.
-- @usebeautiful beautiful.notification_shape_border_color_normal Fallback.
-- @usebeautiful beautiful.notification_shape_border_color_selected Fallback.
-- @usebeautiful beautiful.notification_shape_border_width_normal Fallback.
-- @usebeautiful beautiful.notification_shape_border_width_selected Fallback.
-- @usebeautiful beautiful.notification_icon_size_normal Fallback.
-- @usebeautiful beautiful.notification_icon_size_selected Fallback.
-- @usebeautiful beautiful.notification_bg_normal Fallback.
-- @usebeautiful beautiful.notification_bg_selected Fallback.
-- @usebeautiful beautiful.notification_fg_normal Fallback.
-- @usebeautiful beautiful.notification_fg_selected Fallback.
-- @usebeautiful beautiful.notification_bgimage_normal Fallback.
-- @usebeautiful beautiful.notification_bgimage_selected Fallback.
function notificationlist:set_widget_template(widget_template)
self._private.widget_template = widget_template
-- Remove the existing instances
self._private.data = {}
update(self)
self:emit_signal("widget::layout_changed")
self:emit_signal("widget::redraw_needed")
self:emit_signal("property::widget_template", widget_template)
end
function notificationlist:set_style(style)
self._private.style = style or {}
update_style(self)
update(self)
self:emit_signal("widget::layout_changed")
self:emit_signal("widget::redraw_needed")
self:emit_signal("property::style", style)
end
function notificationlist:layout(_, width, height)
if self._private.base_layout then
return { wibox.widget.base.place_widget_at(self._private.base_layout, 0, 0, width, height) }
end
end
function notificationlist:fit(context, width, height)
if not self._private.base_layout then
return 0, 0
end
return wibox.widget.base.fit_widget(self, context, self._private.base_layout, width, height)
end
--- A function to prevent some notifications from being added to the list.
-- @property filter
-- @tparam[opt=nil] function|nil filter
-- @functionparam naughty.notification n The notification object.
-- @functionparam number count The number of notifications in the list.
-- @functionreturn boolean `true` if the notification is allowed and `false` if
-- it is rejected.
-- @propemits true false
for _, prop in ipairs { "filter", "base_layout" } do
notificationlist["set_"..prop] = function(self, value)
self._private[prop] = value
update(self)
self:emit_signal("widget::layout_changed")
self:emit_signal("widget::redraw_needed")
self:emit_signal("property::"..prop, value)
end
notificationlist["get_"..prop] = function(self)
return self._private[prop]
end
end
--- Create an notification list.
--
-- @tparam table args
-- @tparam widget args.base_layout The notification list base_layout.
-- @tparam widget args.filter The list filter.
-- @tparam table args.style Override the beautiful values.
-- @tparam gears.shape args.style.shape_normal
-- @tparam gears.shape args.style.shape_selected
-- @tparam gears.color|string args.style.shape_border_color_normal
-- @tparam gears.color|string args.style.shape_border_color_selected
-- @tparam number args.style.shape_border_width_normal
-- @tparam number args.style.shape_border_width_selected
-- @tparam number args.style.icon_size
-- @tparam gears.color|string args.style.bg_normal
-- @tparam gears.color|string args.style.bg_selected
-- @tparam gears.color|string args.style.fg_normal
-- @tparam gears.color|string args.style.fg_selected
-- @tparam gears.surface|string args.style.bgimage_normal
-- @tparam gears.surface|string args.style.bgimage_selected
-- @tparam[opt] table args.widget_template A custom widget to be used for each
-- notifications.
-- @treturn widget The notification list widget.
-- @constructorfct naughty.list.notifications
local function new(_, args)
args = args or {}
local wdg = wibox.widget.base.make_widget(nil, nil, {
enable_properties = true,
})
gtable.crush(wdg, notificationlist, true)
wdg._private.data = {}
gtable.crush(wdg, args)
wdg._private.style = wdg._private.style or {}
-- Don't do this right away since the base_layout may not have been set yet.
-- This also avoids `update()` being executed during initialization and
-- causing an output that isn't reproducible.
gtimer.delayed_call(function()
update_style(wdg)
if not wdg._private.base_layout then
wdg._private.base_layout = wibox.layout.flex.horizontal()
wdg._private.base_layout:set_spacing(beautiful.notification_spacing or 0)
wdg:emit_signal("widget::layout_changed")
wdg:emit_signal("widget::redraw_needed")
end
update(wdg)
local is_scheduled = false
-- Prevent multiple updates due to the many signals.
local function f()
if is_scheduled then return end
is_scheduled = true
gtimer.delayed_call(function() update(wdg); is_scheduled = false end)
end
-- Yes, this will cause 2 updates when a new notification arrives, but
-- on the other hand, request::display is required to auto-disable the
-- fallback legacy mode and property::active is needed to remove the
-- destroyed notifications.
naughty.connect_signal("property::active", f)
naughty.connect_signal("request::display", f)
end)
return wdg
end
module.filter = {}
--- All notifications.
-- @tparam naughty.notification n The notification.
-- @treturn boolean Always returns true because it doesn't filter anything at all.
-- @filterfunction naughty.list.notifications.filter.all
function module.filter.all(n) -- luacheck: no unused args
return true
end
--- Only get the most recent notification(s).
--
-- To set the count, the function needs to be wrapped:
--
-- filter = function(n) return naughty.list.notifications.filter.most_recent(n, 3) end
--
-- @tparam naughty.notification n The notification.
-- @tparam[opt=1] number count The number of recent notifications to allow.
-- @treturn boolean Always returns true because it doesn't filter anything at all.
-- @filterfunction naughty.list.notifications.filter.most_recent
function module.filter.most_recent(n, count)
for i=1, count or 1 do
if n == naughty.active[i] then
return true
end
end
return false
end
--@DOC_object_COMMON@
return setmetatable(module, {__call = new})
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80