simple-awesome/simple/tiling.lua

97 lines
2.7 KiB
Lua

-- Offers window tiling functionnality
local awful = require("awful")
-- Placements
local leftTileGeometry = awful.placement.scale
+ awful.placement.left
+ awful.placement['maximize_vertically']
local rightTileGeometry = awful.placement.scale
+ awful.placement.right
+ awful.placement['maximize_vertically']
local maximizedTileGeometry = awful.placement.scale
+ awful.placement['maximize']
-- Check if geometries are the same
local geometryEquals = function(geo1, geo2)
return geo1.width == geo2.width and geo1.height == geo2.height and
geo1.x == geo2.x and geo1.y == geo2.y
end
-- Try to apply a tile placement to a client
-- return false if it changed nothing
local applyTile = function(c, geometry)
local initialGeometry = {
x = c.x,
y = c.y,
width = c.width,
height = c.height
}
local newGeometry = geometry(c, {honor_workarea=true, to_percent = 0.5})
return not geometryEquals(initialGeometry, newGeometry)
end
local screenLeft = function(geo)
return function (c)
local newScreen = c.screen.get_next_in_direction(c.screen, "left")
if newScreen ~= nil then
c.screen = newScreen
applyTile(c, geo)
end
end
end
local screenRight = function(geo)
return function (c)
local newScreen = c.screen.get_next_in_direction(c.screen, "right")
if newScreen ~= nil then
c.screen = newScreen
applyTile(c, geo)
end
end
end
client.connect_signal("manage", function (c)
if awesome.startup
and not c.size_hints.user_position
and not c.size_hints.program_position then
-- Prevent clients from being unreachable after screen count changes.
awful.placement.no_offscreen(c)
end
if c.maximized then
applyTile(c, maximizedTileGeometry)
end
end)
return {
key = {
tileRight = function (c)
c.maximized = true
if not applyTile(c, rightTileGeometry) then
screenRight(leftTileGeometry)(c)
end
end,
tileLeft = function (c)
c.maximized = true
if not applyTile(c, leftTileGeometry) then
screenLeft(rightTileGeometry)(c)
end
end,
screenLeft = screenLeft(maximizedTileGeometry),
screenRight = screenRight(maximizedTileGeometry),
toggleMaximized = function (c)
if not c.maximized then
c.maximized = true
else
if not applyTile(c, maximizedTileGeometry) then
c.maximized = false
end
end
end,
minimize = function(c)
c.minimized = true
end
}
}