113 lines
4.4 KiB
Lua
113 lines
4.4 KiB
Lua
---------------------------------------------------------------------------
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2009 Julien Danjou
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-- @release @AWESOME_VERSION@
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---------------------------------------------------------------------------
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local setmetatable = setmetatable
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local client = client
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local screen = screen
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local ipairs = ipairs
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local math = math
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--- Implements EWMH requests handling.
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module("awful.ewmh")
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local data = setmetatable({}, { __mode = 'k' })
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local function store_geometry(window, reqtype)
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if not data[window] then data[window] = {} end
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if not data[window][reqtype] then data[window][reqtype] = {} end
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data[window][reqtype] = window:geometry()
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data[window][reqtype].screen = window.screen
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end
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-- Maximize a window horizontally.
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-- @param window The window.
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-- @param set Set or unset the maximized values.
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local function maximized_horizontal(window, set)
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if set then
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store_geometry(window, "maximized")
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local g = screen[window.screen].workarea
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window:geometry { width = g.width, x = g.x }
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elseif data[window] and data[window].maximized
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and data[window].maximized.x
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and data[window].maximized.width then
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window:geometry { width = data[window].maximized.width,
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x = data[window].maximized.x }
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end
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end
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-- Maximize a window vertically.
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-- @param window The window.
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-- @param set Set or unset the maximized values.
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local function maximized_vertical(window, set)
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if set then
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store_geometry(window, "maximized")
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local g = screen[window.screen].workarea
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window:geometry { height = g.height, y = g.y }
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elseif data[window] and data[window].maximized
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and data[window].maximized.y
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and data[window].maximized.height then
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window:geometry { height = data[window].maximized.height,
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y = data[window].maximized.y }
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end
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end
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-- Fullscreen a window.
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-- @param window The window.
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-- @param set Set or unset the fullscreen values.
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local function fullscreen(window, set)
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if set then
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store_geometry(window, "fullscreen")
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data[window].fullscreen.border_width = window.border_width
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local g = screen[window.screen].geometry
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window:geometry(screen[window.screen].geometry)
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window.border_width = 0
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elseif data[window] and data[window].fullscreen then
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window:geometry(data[window].fullscreen)
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window.border_width = data[window].fullscreen.border_width
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end
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end
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local function screen_change(window)
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if data[window] then
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for _, reqtype in ipairs({ "maximized", "fullscreen" }) do
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if data[window][reqtype] then
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if data[window][reqtype].width then
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data[window][reqtype].width = math.min(data[window][reqtype].width,
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screen[window.screen].workarea.width)
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end
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if data[window][reqtype].height then
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data[window][reqtype].height = math.min(data[window][reqtype].height,
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screen[window.screen].workarea.height)
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end
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if data[window][reqtype].screen then
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local from = screen[data[window][reqtype].screen].workarea
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local to = screen[window.screen].workarea
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local new_x, new_y
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if data[window][reqtype].x then
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new_x = to.x + data[window][reqtype].x - from.x
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if new_x > to.x + to.width then new_x = to.x end
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data[window][reqtype].x = new_x
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end
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if data[window][reqtype].y then
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new_y = to.y + data[window][reqtype].y - from.y
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if new_y > to.y + to.width then new_y = to.y end
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data[window][reqtype].y = new_y
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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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end
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client.add_signal("manage", function (c)
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c:add_signal("request::maximized_horizontal", maximized_horizontal)
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c:add_signal("request::maximized_vertical", maximized_vertical)
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c:add_signal("request::fullscreen", fullscreen)
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c:add_signal("property::screen", screen_change)
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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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