naughty: import
Signed-off-by: koniu <gkusnierz@gmail.com> Signed-off-by: Julien Danjou <julien@danjou.info>
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koniu
Julien Danjou
parent
072937ec70
commit
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----------------------------------------------------------------------------
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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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--
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-- Usage:
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--
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-- require("naughty")
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-- naughty.notify({ text = "notification",
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-- title = "title",
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-- position = "top_left"|"top_right"|"bottom_left"|"bottom_right",
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-- timeout = 5,
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-- icon="/path/to/image",
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-- fg="#ffggcc",
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-- bg="#bbggcc",
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-- screen = 1 })
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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("awful.beautiful")
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local beautiful = bt.get()
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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 margin Space between popups and edge of the workarea. Default: 4
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-- @field height Height of a single-line popup. Default: 16
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-- @field width Width of a popup. Default: 300
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-- @field gap 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 font Popup font. Default: beautiful.font or "Verdana 8"
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-- @field icon Popup icon. Default: nil
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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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-- @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.margin = 4
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config.height = 16
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config.width = 300
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config.gap = 1
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config.ontop = true
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config.font = beautiful.font or "Verdana 8"
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config.icon = nil
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config.fg = beautiful.fg_focus or '#ffffff'
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config.bg = beautiful.bg_focus or '#535d6c'
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config.border_color = beautiful.border_focus or '#535d6c'
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config.border_width = 1
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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 lines Number of lines in title..text
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-- @field timer 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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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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local ws = capi.screen[config.screen].workarea
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local ss = capi.screen[config.screen].coords
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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 lines Number of text lines in the notification
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-- @return Absolute position in {x, y} dictionary
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local function get_offset(idx, position, lines)
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local v = {}
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-- calculate x
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if position:match("left") then
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v.x = ws.x + config.margin
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else
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v.x = ws.x + ws.width - (config.width + config.border_width*2 + config.margin)
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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 + config.height*notifications[position][i].lines + config.gap + 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.margin + existing
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else
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v.y = ws.y + ws.height - (config.margin + config.border_width + config.height*lines + existing)
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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()
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for p,pos in pairs(notifications) do
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for i,notification in pairs(notifications[p]) do
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notification.box:geometry({ y = get_offset(i, p, notification.lines).y })
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for w,widget in pairs(notification.box:widgets()) do
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widget:buttons({ button({ }, 1, function () destroy(i,p) end), })
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end
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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 idx Index of the notification
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-- @param position One of 4 keys in notification dictionary: top_right, top_left, bottom_right, bottom_left
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-- @return True if the popup was successfully destroyed, nil otherwise
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function destroy(idx, position)
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if notifications[position][idx] then
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notifications[position][idx].box.screen = nil
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hooks.timer.unregister(notifications[position][idx].timer)
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table.remove(notifications[position], idx)
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arrange()
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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 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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-- @usage naughty.notify({ title = 'Achtung!', text = 'You\'re idling', timeout = 0 })
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function notify(args)
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-- gather settings together
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local timeout = args.timeout or config.timeout
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local position = args.position or config.position
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local icon = args.icon or config.icon
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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 title = ""
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if args.title then
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title = " " .. args.title .. "\n"
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end
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local lines = 1
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for i in string.gmatch(title..text, "\n") do
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lines = lines + 1
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end
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-- create the container wibox
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local idx = #notifications[position] + 1
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local box = wibox({ name = "not" .. idx,
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position = "floating",
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fg = args.fg or config.fg,
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bg = args.bg or config.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 offset = get_offset(idx, position, lines)
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box:geometry({ width = config.width,
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height = config.height * lines,
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x = offset.x,
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y = offset.y })
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box.ontop = ontop
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box.screen = screen
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-- populate the wibox with widgets
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local textbox = widget({ type = "textbox", name = "text", align = "flex" })
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textbox:buttons({ button({ }, 1, function () destroy(idx, position) end) })
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textbox.text = string.format('<span font_desc="%s"><b>%s</b> %s</span>',
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config.font, title, text)
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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, function () destroy(idx, position) end) })
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iconbox.image = image(icon)
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iconbox.width = 20
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end
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box:widgets({ iconbox, textbox })
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local timer = function () destroy(idx, position) end
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hooks.timer.register(timeout, timer)
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-- insert the notification to the table
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table.insert(notifications[position], { box = box,
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lines = lines,
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timer = timer })
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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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