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https://github.com/awesomeWM/awesome
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This makes notification mangling outside of naughty.lua much easier: http://awesome.naquadah.org/wiki/index.php?title=Naughty#Popup_calendar Signed-off-by: koniu <gkusnierz@gmail.com>
256 lines
9.6 KiB
Lua
256 lines
9.6 KiB
Lua
----------------------------------------------------------------------------
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-- @author koniu <gkusnierz@gmail.com>
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-- @copyright 2008 koniu
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-- @release @AWESOME_VERSION@
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----------------------------------------------------------------------------
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-- Package environment
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local pairs = pairs
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local table = table
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local wibox = wibox
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local image = image
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local hooks = require("awful.hooks")
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local string = string
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local widget = widget
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local button = button
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local capi = { screen = screen }
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local bt = require("beautiful")
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local screen = screen
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--- Notification library
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module("naughty")
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--- Naughty configuration - a table containing common/default popup settings.
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-- You can override some of these for individual popups using args to notify().
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-- @name config
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-- @field timeout Number of seconds after which popups disappear.
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-- Set to 0 for no timeout. Default: 5
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-- @field screen Screen on which the popups will appear number. Default: 1
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-- @field position Corner of the workarea the popups will appear.
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-- Valid values: 'top_right', 'top_left', 'bottom_right', 'bottom_left'.
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-- Default: 'top_right'
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-- @field padding Space between popups and edge of the workarea. Default: 4
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-- @field height Height of a single line of text. Default: 16
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-- @field width Width of a popup. Default: 300
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-- @field spacing Spacing between popups. Default: 1
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-- @field ontop Boolean forcing popups to display on top. Default: true
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-- @field margin Space between popup edge and content. Default: 10
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-- @field font Popup font. Default: beautiful.font or "Verdana 8"
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-- @field icon Popup icon. Default: nil
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-- @field icon_size Size of the icon in pixels. Default: 16
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-- @field fg Foreground color. Default: beautiful.fg_focus or '#ffffff'
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-- @field bg Background color. Default: beautiful.bg_focus or '#535d6c'
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-- @field border_color Border color.
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-- Default: beautiful.border_focus or '#535d6c'
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-- @field border_width Border width. Default: 1
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-- @field hover_timeout Delay in seconds after which hovered popup disappears.
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-- Default: nil
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-- @class table
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config = {}
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config.timeout = 5
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config.screen = 1
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config.position = "top_right"
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config.padding = 4
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config.height = 16
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config.width = 300
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config.spacing = 1
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config.ontop = true
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config.margin = 10
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config.icon = nil
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config.icon_size = 16
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config.border_width = 1
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config.hover_timeout = nil
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--- Index of notifications. See config table for valid 'position' values.
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-- Each element is a table consisting of:
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-- @field box Wibox object containing the popup
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-- @field height Popup height
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-- @field width Popup width
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-- @field die Function to be executed on timeout
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-- @name notifications[position]
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-- @class table
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notifications = {}
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for s = 1, screen.count() do
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notifications[s] = {
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top_left = {},
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top_right = {},
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bottom_left = {},
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bottom_right = {},
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}
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end
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--- Evaluate desired position of the notification by index - internal
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-- @param idx Index of the notification
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-- @param position top_right | top_left | bottom_right | bottom_left
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-- @param height Popup height
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-- @param width Popup width (optional)
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-- @return Absolute position in {x, y} dictionary
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local function get_offset(screen, position, idx, width, height)
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local ws = capi.screen[screen].workarea
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local v = {}
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width = width or notifications[screen][position][idx].width or config.width
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-- calculate x
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if position:match("left") then
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v.x = ws.x + config.padding
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else
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v.x = ws.x + ws.width - (width + config.border_width*2 + config.padding)
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end
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-- calculate existing popups' height
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local existing = 0
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for i = 1, idx-1, 1 do
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existing = existing + notifications[screen][position][i].height + config.spacing + config.border_width*2
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end
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-- calculate y
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if position:match("top") then
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v.y = ws.y + config.padding + existing
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else
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v.y = ws.y + ws.height - (config.padding + config.border_width + height + existing)
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end
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-- if positioned outside workarea, destroy oldest popup and recalculate
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if v.y + height > ws.y + ws.height or v.y < ws.y then
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idx = idx - 1
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destroy(notifications[screen][position][1])
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v = get_offset(screen, position, idx, width, height)
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end
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return v
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end
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--- Re-arrange notifications according to their position and index - internal
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-- @return None
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local function arrange(screen)
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for p,pos in pairs(notifications[screen]) do
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for i,notification in pairs(notifications[screen][p]) do
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local offset = get_offset(screen, p, i, notification.width, notification.height)
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notification.box:geometry({ x = offset.x, y = offset.y, width = notification.width, height = notification.height })
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notification.idx = i
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end
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end
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end
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--- Destroy notification by index
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-- @param notification Notification object to be destroyed
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-- @return True if the popup was successfully destroyed, nil otherwise
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function destroy(notification)
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if notification then
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local scr = notification.box.screen
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table.remove(notifications[notification.box.screen][notification.position], notification.idx)
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hooks.timer.unregister(notification.die)
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notification.box.screen = nil
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arrange(scr)
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return true
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end
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end
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--- Create notification. args is a dictionary of optional arguments. For more information and defaults see respective fields in config table.
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-- @param text Text of the notification
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-- @param timeout Time in seconds after which popup expires
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-- @param title Title of the notification
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-- @param position Corner of the workarea the popups will appear
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-- @param icon Path to icon
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-- @param icon_size Desired icon size in px
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-- @param fg Foreground color
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-- @param bg Background color
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-- @param screen Target screen for the notification
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-- @param ontop Target screen for the notification
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-- @param run Function to run on left click
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-- @param width The popup width
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-- @usage naughty.notify({ title = 'Achtung!', text = 'You\'re idling', timeout = 0 })
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-- @return The notification object
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function notify(args)
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-- gather variables together
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local timeout = args.timeout or config.timeout
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local icon = args.icon or config.icon
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local icon_size = args.icon_size or config.icon_size
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local text = args.text or ""
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local screen = args.screen or config.screen
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local ontop = args.ontop or config.ontop
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local width = args.width or config.width
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-- beautiful
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local beautiful = bt.get()
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local font = args.font or config.font or beautiful.font or "Verdana 8"
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local fg = args.fg or config.fg or beautiful.fg_normal or '#ffffff'
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local bg = args.bg or config.bg or beautiful.bg_normal or '#535d6c'
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local border_color = config.border_color or beautiful.bg_focus or '#535d6c'
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local notification = {}
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notification.position = args.position or config.position
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notification.idx = #notifications[screen][notification.position] + 1
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local title = ""
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if args.title then title = args.title .. "\n" end
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-- hook destroy
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local die = function () destroy(notification) end
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hooks.timer.register(timeout, die)
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notification.die = die
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local run = args.run or die
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local hover_destroy = function ()
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if config.hover_timeout == 0 then die()
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else hooks.timer.register(config.hover_timeout, die) end
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end
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-- create textbox
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local textbox = widget({ type = "textbox", name = "text", align = "flex" })
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textbox:buttons({ button({ }, 1, run),
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button({ }, 3, die) })
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textbox.text = string.format('<margin right="'..config.margin..'" left="'..config.margin..'"/><span font_desc="%s"><b>%s</b>%s</span>', font, title, text)
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if config.hover_timeout then textbox.mouse_enter = hover_destroy end
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-- create iconbox
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local iconbox = nil
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if icon then
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iconbox = widget({ type = "imagebox", name = "icon", align = "left" })
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iconbox:buttons({ button({ }, 1, run),
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button({ }, 3, die) })
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local img = image(icon)
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if icon_size then
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img = img:crop_and_scale(0,0,img.height,img.width,icon_size,icon_size)
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iconbox.resize = false
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end
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iconbox.image = img
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if config.hover_timeout then iconbox.mouse_enter = hover_destroy end
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end
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-- create container wibox
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notification.box = wibox({ name = "not" .. notification.idx,
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position = "floating",
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fg = fg,
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bg = bg,
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border_color = config.border_color,
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border_width = config.border_width })
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-- position the wibox
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local lines = 1; for i in string.gmatch(title..text, "\n") do lines = lines + 1 end
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if iconbox and iconbox.image.height > lines * config.height then
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notification.height = iconbox.image.height
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else
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notification.height = lines * config.height end
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notification.width = width
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local offset = get_offset(screen, notification.position, notification.idx, notification.width, notification.height)
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notification.box:geometry({ width = notification.width,
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height = notification.height,
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x = offset.x,
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y = offset.y })
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notification.box.ontop = ontop
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notification.box.screen = screen
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-- populate widgets
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notification.box.widgets = { iconbox, textbox }
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-- insert the notification to the table
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table.insert(notifications[screen][notification.position], notification)
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-- return the notification
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return notification
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end
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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