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|
---------------------------------------------------------------------------
--- Magnifier layout module for awful
--
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008 Julien Danjou
-- @module awful.layout
---------------------------------------------------------------------------
-- Grab environment we need
local ipairs = ipairs
local math = math
local capi =
{
client = client,
screen = screen,
mouse = mouse,
mousegrabber = mousegrabber
}
--- The magnifier layout layoutbox icon.
-- @beautiful beautiful.layout_magnifier
-- @param surface
-- @see gears.surface
local magnifier = {}
function magnifier.mouse_resize_handler(c, corner, x, y)
capi.mouse.coords({ x = x, y = y })
local wa = c.screen.workarea
local center_x = wa.x + wa.width / 2
local center_y = wa.y + wa.height / 2
local maxdist_pow = (wa.width^2 + wa.height^2) / 4
local prev_coords = {}
capi.mousegrabber.run(function (_mouse)
if not c.valid then return false end
for _, v in ipairs(_mouse.buttons) do
if v then
prev_coords = { x =_mouse.x, y = _mouse.y }
local dx = center_x - _mouse.x
local dy = center_y - _mouse.y
local dist = dx^2 + dy^2
-- New master width factor
local mwfact = dist / maxdist_pow
c.screen.selected_tag.master_width_factor
= math.min(math.max(0.01, mwfact), 0.99)
return true
end
end
return prev_coords.x == _mouse.x and prev_coords.y == _mouse.y
end, corner .. "_corner")
end
function magnifier.arrange(p)
-- Fullscreen?
local area = p.workarea
local cls = p.clients
local focus = p.focus or capi.client.focus
local t = p.tag or capi.screen[p.screen].selected_tag
local mwfact = t.master_width_factor
local fidx
-- Check that the focused window is on the right screen
if focus and focus.screen ~= p.screen then focus = nil end
-- If no window is focused or focused window is not tiled, take the first tiled one.
if (not focus or focus.floating) and #cls > 0 then
focus = cls[1]
fidx = 1
end
-- Abort if no clients are present
if not focus then return end
local geometry = {}
if #cls > 1 then
geometry.width = area.width * math.sqrt(mwfact)
geometry.height = area.height * math.sqrt(mwfact)
geometry.x = area.x + (area.width - geometry.width) / 2
geometry.y = area.y + (area.height - geometry.height) /2
else
geometry.x = area.x
geometry.y = area.y
geometry.width = area.width
geometry.height = area.height
end
local g = {
x = geometry.x,
y = geometry.y,
width = geometry.width,
height = geometry.height
}
p.geometries[focus] = g
if #cls > 1 then
geometry.x = area.x
geometry.y = area.y
geometry.height = area.height / (#cls - 1)
geometry.width = area.width
-- We don't know the focus window index. Try to find it.
if not fidx then
for k, c in ipairs(cls) do
if c == focus then
fidx = k
break
end
end
end
-- First move clients that are before focused client.
for k = fidx + 1, #cls do
p.geometries[cls[k]] = {
x = geometry.x,
y = geometry.y,
width = geometry.width,
height = geometry.height
}
geometry.y = geometry.y + geometry.height
end
-- Then move clients that are after focused client.
-- So the next focused window will be the one at the top of the screen.
for k = 1, fidx - 1 do
p.geometries[cls[k]] = {
x = geometry.x,
y = geometry.y,
width = geometry.width,
height = geometry.height
}
geometry.y = geometry.y + geometry.height
end
end
end
--- The magnifier layout.
-- @clientlayout awful.layout.suit.magnifier
magnifier.name = "magnifier"
return magnifier
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
|
