awesome/lib/awful/screen.lua.in

77 lines
2.3 KiB
Lua

---------------------------------------------------------------------------
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008 Julien Danjou
-- @release @AWESOME_VERSION@
---------------------------------------------------------------------------
-- Grab environment we need
local capi =
{
mouse = mouse,
screen = screen,
client = client
}
local util = require("awful.util")
local client = require("awful.client")
--- Screen module for awful
-- awful.screen
local screen = {}
local data = {}
data.padding = {}
---
-- Return Xinerama screen number corresponding to the given (pixel) coordinates.
-- The number returned can be used as an index into the global
-- `screen` table/object.
-- @param x The x coordinate
-- @param y The y coordinate
function screen.getbycoord(x, y)
for i = 1, capi.screen:count() do
local geometry = capi.screen[i].geometry
if((x < 0 or (x >= geometry.x and x < geometry.x + geometry.width))
and (y < 0 or (y >= geometry.y and y < geometry.y + geometry.height))) then
return i;
end
end
end
--- Give the focus to a screen, and move pointer.
-- @param screen Screen number.
function screen.focus(_screen)
if _screen > capi.screen.count() then _screen = capi.mouse.screen end
local c = client.focus.history.get(_screen, 0)
if c then capi.client.focus = c end
-- Move the mouse on the screen
capi.mouse.screen = _screen
end
--- Give the focus to a screen, and move pointer, but relative to the current
-- focused screen.
-- @param i Value to add to the current focused screen index. 1 will focus next
-- screen, -1 would focus the previous one.
function screen.focus_relative(i)
return screen.focus(util.cycle(capi.screen.count(), capi.mouse.screen + i))
end
--- Get or set the screen padding.
-- @param screen The screen object to change the padding on
-- @param padding The padding, an table with 'top', 'left', 'right' and/or
-- 'bottom'. Can be nil if you only want to retrieve padding
function screen.padding(_screen, padding)
if padding then
data.padding[_screen] = padding
_screen:emit_signal("padding")
end
return data.padding[_screen]
end
for s = 1, capi.screen.count() do
capi.screen[s]:add_signal("padding")
end
return screen
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80