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