289 lines
10 KiB
Lua
289 lines
10 KiB
Lua
---------------------------------------------------------------------------
|
|
-- Titlebars for awful.
|
|
--
|
|
-- @author Uli Schlachter
|
|
-- @copyright 2012 Uli Schlachter
|
|
-- @release @AWESOME_VERSION@
|
|
-- @module awful.titlebar
|
|
---------------------------------------------------------------------------
|
|
|
|
local error = error
|
|
local type = type
|
|
local abutton = require("awful.button")
|
|
local aclient = require("awful.client")
|
|
local beautiful = require("beautiful")
|
|
local object = require("gears.object")
|
|
local drawable = require("wibox.drawable")
|
|
local base = require("wibox.widget.base")
|
|
local imagebox = require("wibox.widget.imagebox")
|
|
local textbox = require("wibox.widget.textbox")
|
|
local capi = {
|
|
client = client
|
|
}
|
|
local titlebar = {
|
|
widget = {}
|
|
}
|
|
|
|
local all_titlebars = setmetatable({}, { __mode = 'k' })
|
|
|
|
-- Get a color for a titlebar, this tests many values from the array and the theme
|
|
local function get_color(name, c, args)
|
|
local suffix = "_normal"
|
|
if capi.client.focus == c then
|
|
suffix = "_focus"
|
|
end
|
|
local function get(array)
|
|
return array["titlebar_"..name..suffix] or array["titlebar_"..name] or array[name..suffix] or array[name]
|
|
end
|
|
return get(args) or get(beautiful)
|
|
end
|
|
|
|
local function get_titlebar_function(c, position)
|
|
if position == "left" then
|
|
return c.titlebar_left
|
|
elseif position == "right" then
|
|
return c.titlebar_right
|
|
elseif position == "top" then
|
|
return c.titlebar_top
|
|
elseif position == "bottom" then
|
|
return c.titlebar_bottom
|
|
else
|
|
error("Invalid titlebar position '" .. position .. "'")
|
|
end
|
|
end
|
|
|
|
--- Get a client's titlebar
|
|
-- @class function
|
|
-- @param c The client for which a titlebar is wanted.
|
|
-- @param args An optional table with extra arguments for the titlebar. The
|
|
-- "size" is the height of the titlebar. Available "position" values are top,
|
|
-- left, right and bottom. Additionally, the foreground and background colors
|
|
-- can be configured via e.g. "bg_normal" and "bg_focus".
|
|
-- @name titlebar
|
|
local function new(c, args)
|
|
local args = args or {}
|
|
local position = args.position or "top"
|
|
local size = args.size or beautiful.get_font_height(args.font) * 1.5
|
|
local d = get_titlebar_function(c, position)(c, size)
|
|
|
|
-- Make sure that there is never more than one titlebar for any given client
|
|
local bars = all_titlebars[c]
|
|
if not bars then
|
|
bars = {}
|
|
all_titlebars[c] = bars
|
|
end
|
|
|
|
local ret
|
|
if not bars[position] then
|
|
ret = drawable(d, nil)
|
|
local function update_colors()
|
|
local args = bars[position].args
|
|
ret:set_bg(get_color("bg", c, args))
|
|
ret:set_fg(get_color("fg", c, args))
|
|
end
|
|
|
|
bars[position] = {
|
|
args = args,
|
|
drawable = ret,
|
|
update_colors = update_colors
|
|
}
|
|
|
|
-- Update the colors when focus changes
|
|
c:connect_signal("focus", update_colors)
|
|
c:connect_signal("unfocus", update_colors)
|
|
else
|
|
bars[position].args = args
|
|
ret = bars[position].drawable
|
|
end
|
|
|
|
-- Make sure the titlebar has the right colors applied
|
|
bars[position].update_colors()
|
|
|
|
return ret
|
|
end
|
|
|
|
--- Show a client's titlebar.
|
|
-- @param c The client whose titlebar is modified
|
|
-- @param position Optional position of the titlebar. Must be one of "left",
|
|
-- "right", "top", "bottom". Default is "top".
|
|
function titlebar.show(c, position)
|
|
local position = position or "top"
|
|
local bars = all_titlebars[c]
|
|
local data = bars and bars[position]
|
|
local args = data and data.args
|
|
new(c, args)
|
|
end
|
|
|
|
--- Hide a client's titlebar.
|
|
-- @param c The client whose titlebar is modified
|
|
-- @param position Optional position of the titlebar. Must be one of "left",
|
|
-- "right", "top", "bottom". Default is "top".
|
|
function titlebar.hide(c, position)
|
|
local position = position or "top"
|
|
get_titlebar_function(c, position)(c, 0)
|
|
end
|
|
|
|
--- Toggle a client's titlebar, hiding it if it is visible, otherwise showing it.
|
|
-- @param c The client whose titlebar is modified
|
|
-- @param position Optional position of the titlebar. Must be one of "left",
|
|
-- "right", "top", "bottom". Default is "top".
|
|
function titlebar.toggle(c, position)
|
|
local position = position or "top"
|
|
local drawable, size = get_titlebar_function(c, position)(c)
|
|
if size == 0 then
|
|
titlebar.show(c, position)
|
|
else
|
|
titlebar.hide(c, position)
|
|
end
|
|
end
|
|
|
|
--- Create a new titlewidget. A title widget displays the name of a client.
|
|
-- Please note that this returns a textbox and all of textbox' API is available.
|
|
-- This way, you can e.g. modify the font that is used.
|
|
-- @param c The client for which a titlewidget should be created.
|
|
-- @return The title widget.
|
|
function titlebar.widget.titlewidget(c)
|
|
local ret = textbox()
|
|
local function update()
|
|
ret:set_text(c.name or "<unknown>")
|
|
end
|
|
c:connect_signal("property::name", update)
|
|
update()
|
|
|
|
return ret
|
|
end
|
|
|
|
--- Create a new icon widget. An icon widget displays the icon of a client.
|
|
-- Please note that this returns an imagebox and all of the imagebox' API is
|
|
-- available. This way, you can e.g. disallow resizes.
|
|
-- @param c The client for which an icon widget should be created.
|
|
-- @return The icon widget.
|
|
function titlebar.widget.iconwidget(c)
|
|
local ret = imagebox()
|
|
local function update()
|
|
ret:set_image(c.icon)
|
|
end
|
|
c:connect_signal("property::icon", update)
|
|
update()
|
|
|
|
return ret
|
|
end
|
|
|
|
--- Create a new button widget. A button widget displays an image and reacts to
|
|
-- mouse clicks. Please note that the caller has to make sure that this widget
|
|
-- gets redrawn when needed by calling the returned widget's update() function.
|
|
-- The selector function should return a value describing a state. If the value
|
|
-- is a boolean, either "active" or "inactive" are used. The actual image is
|
|
-- then found in the theme as "titlebar_[name]_button_[normal/focus]_[state]".
|
|
-- If that value does not exist, the focused state is ignored for the next try.
|
|
-- @param c The client for which a button is created.
|
|
-- @param name Name of the button, used for accessing the theme.
|
|
-- @param selector A function that selects the image that should be displayed.
|
|
-- @param action Function that is called when the button is clicked.
|
|
-- @return The widget
|
|
function titlebar.widget.button(c, name, selector, action)
|
|
local ret = imagebox()
|
|
local function update()
|
|
local img = selector(c)
|
|
if type(img) ~= "nil" then
|
|
-- Convert booleans automatically
|
|
if type(img) == "boolean" then
|
|
if img then
|
|
img = "active"
|
|
else
|
|
img = "inactive"
|
|
end
|
|
end
|
|
-- First try with a prefix based on the client's focus state
|
|
local prefix = "normal"
|
|
if capi.client.focus == c then
|
|
prefix = "focus"
|
|
end
|
|
if img ~= "" then
|
|
prefix = prefix .. "_"
|
|
end
|
|
local theme = beautiful["titlebar_" .. name .. "_button_" .. prefix .. img]
|
|
if not theme then
|
|
-- Then try again without that prefix if nothing was found
|
|
theme = beautiful["titlebar_" .. name .. "_button_" .. img]
|
|
end
|
|
if theme then
|
|
img = theme
|
|
end
|
|
end
|
|
ret:set_image(img)
|
|
end
|
|
if action then
|
|
ret:buttons(abutton({ }, 1, nil, function() action(c, selector(c)) end))
|
|
end
|
|
|
|
ret.update = update
|
|
update()
|
|
|
|
-- We do magic based on whether a client is focused above, so we need to
|
|
-- connect to the corresponding signal here.
|
|
local function focus_func(o)
|
|
if o == c then update() end
|
|
end
|
|
capi.client.connect_signal("focus", focus_func)
|
|
capi.client.connect_signal("unfocus", focus_func)
|
|
|
|
return ret
|
|
end
|
|
|
|
--- Create a new float button for a client.
|
|
-- @param c The client for which the button is wanted.
|
|
function titlebar.widget.floatingbutton(c)
|
|
local widget = titlebar.widget.button(c, "floating", aclient.floating.get, aclient.floating.toggle)
|
|
c:connect_signal("property::floating", widget.update)
|
|
return widget
|
|
end
|
|
|
|
--- Create a new maximize button for a client.
|
|
-- @param c The client for which the button is wanted.
|
|
function titlebar.widget.maximizedbutton(c)
|
|
local widget = titlebar.widget.button(c, "maximized", function(c)
|
|
return c.maximized_horizontal or c.maximized_vertical
|
|
end, function(c, state)
|
|
c.maximized_horizontal = not state
|
|
c.maximized_vertical = not state
|
|
end)
|
|
c:connect_signal("property::maximized_vertical", widget.update)
|
|
c:connect_signal("property::maximized_horizontal", widget.update)
|
|
return widget
|
|
end
|
|
|
|
--- Create a new minimize button for a client.
|
|
-- @param c The client for which the button is wanted.
|
|
function titlebar.widget.minimizebutton(c)
|
|
local widget = titlebar.widget.button(c, "minimize", function() return c.minimized end, function(c) c.minimized = not c.minimized end)
|
|
c:connect_signal("property::minimized", widget.update)
|
|
return widget
|
|
end
|
|
|
|
--- Create a new closing button for a client.
|
|
-- @param c The client for which the button is wanted.
|
|
function titlebar.widget.closebutton(c)
|
|
return titlebar.widget.button(c, "close", function() return "" end, function(c) c:kill() end)
|
|
end
|
|
|
|
--- Create a new ontop button for a client.
|
|
-- @param c The client for which the button is wanted.
|
|
function titlebar.widget.ontopbutton(c)
|
|
local widget = titlebar.widget.button(c, "ontop", function(c) return c.ontop end, function(c, state) c.ontop = not state end)
|
|
c:connect_signal("property::ontop", widget.update)
|
|
return widget
|
|
end
|
|
|
|
--- Create a new sticky button for a client.
|
|
-- @param c The client for which the button is wanted.
|
|
function titlebar.widget.stickybutton(c)
|
|
local widget = titlebar.widget.button(c, "sticky", function(c) return c.sticky end, function(c, state) c.sticky = not state end)
|
|
c:connect_signal("property::sticky", widget.update)
|
|
return widget
|
|
end
|
|
|
|
return setmetatable(titlebar, { __call = function(_, ...) return new(...) end})
|
|
|
|
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
|