373 lines
13 KiB
Lua
373 lines
13 KiB
Lua
---------------------------------------------------------------------------
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--- Tiled layouts module for awful
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--
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-- @author Donald Ephraim Curtis <dcurtis@cs.uiowa.edu>
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2009 Donald Ephraim Curtis
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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 tag = require("awful.tag")
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local client = require("awful.client")
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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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mouse = mouse,
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screen = screen,
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mousegrabber = mousegrabber
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}
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local tile = {}
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--- The tile layout layoutbox icon.
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-- @beautiful beautiful.layout_tile
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-- @param surface
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-- @see gears.surface
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--- The tile top layout layoutbox icon.
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-- @beautiful beautiful.layout_tiletop
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-- @param surface
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-- @see gears.surface
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--- The tile bottom layout layoutbox icon.
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-- @beautiful beautiful.layout_tilebottom
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-- @param surface
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-- @see gears.surface
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--- The tile left layout layoutbox icon.
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-- @beautiful beautiful.layout_tileleft
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-- @param surface
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-- @see gears.surface
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--- Jump mouse cursor to the client's corner when resizing it.
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-- @field awful.layout.suit.tile.resize_jump_to_corner
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tile.resize_jump_to_corner = true
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local function mouse_resize_handler(c, _, _, _, orientation)
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orientation = orientation or "tile"
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local wa = c.screen.workarea
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local mwfact = c.screen.selected_tag.master_width_factor
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local cursor
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local g = c:geometry()
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local offset = 0
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local corner_coords
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local coordinates_delta = {x=0,y=0}
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if orientation == "tile" then
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cursor = "cross"
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if g.height+15 > wa.height then
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offset = g.height * .5
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cursor = "sb_h_double_arrow"
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elseif g.y+g.height+15 <= wa.y+wa.height then
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offset = g.height
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end
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corner_coords = { x = wa.x + wa.width * mwfact, y = g.y + offset }
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elseif orientation == "left" then
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cursor = "cross"
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if g.height+15 >= wa.height then
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offset = g.height * .5
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cursor = "sb_h_double_arrow"
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elseif g.y+g.height+15 <= wa.y+wa.height then
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offset = g.height
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end
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corner_coords = { x = wa.x + wa.width * (1 - mwfact), y = g.y + offset }
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elseif orientation == "bottom" then
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cursor = "cross"
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if g.width+15 >= wa.width then
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offset = g.width * .5
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cursor = "sb_v_double_arrow"
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elseif g.x+g.width+15 <= wa.x+wa.width then
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offset = g.width
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end
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corner_coords = { y = wa.y + wa.height * mwfact, x = g.x + offset}
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else
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cursor = "cross"
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if g.width+15 >= wa.width then
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offset = g.width * .5
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cursor = "sb_v_double_arrow"
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elseif g.x+g.width+15 <= wa.x+wa.width then
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offset = g.width
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end
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corner_coords = { y = wa.y + wa.height * (1 - mwfact), x= g.x + offset }
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end
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if tile.resize_jump_to_corner then
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capi.mouse.coords(corner_coords)
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else
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local mouse_coords = capi.mouse.coords()
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coordinates_delta = {
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x = corner_coords.x - mouse_coords.x,
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y = corner_coords.y - mouse_coords.y,
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}
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end
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local prev_coords = {}
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capi.mousegrabber.run(function (coords)
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if not c.valid then return false end
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coords.x = coords.x + coordinates_delta.x
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coords.y = coords.y + coordinates_delta.y
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for _, v in ipairs(coords.buttons) do
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if v then
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prev_coords = { x =coords.x, y = coords.y }
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local fact_x = (coords.x - wa.x) / wa.width
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local fact_y = (coords.y - wa.y) / wa.height
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local new_mwfact
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local geom = c:geometry()
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-- we have to make sure we're not on the last visible
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-- client where we have to use different settings.
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local wfact
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local wfact_x, wfact_y
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if (geom.y+geom.height+15) > (wa.y+wa.height) then
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wfact_y = (geom.y + geom.height - coords.y) / wa.height
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else
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wfact_y = (coords.y - geom.y) / wa.height
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end
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if (geom.x+geom.width+15) > (wa.x+wa.width) then
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wfact_x = (geom.x + geom.width - coords.x) / wa.width
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else
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wfact_x = (coords.x - geom.x) / wa.width
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end
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if orientation == "tile" then
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new_mwfact = fact_x
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wfact = wfact_y
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elseif orientation == "left" then
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new_mwfact = 1 - fact_x
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wfact = wfact_y
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elseif orientation == "bottom" then
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new_mwfact = fact_y
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wfact = wfact_x
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else
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new_mwfact = 1 - fact_y
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wfact = wfact_x
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end
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c.screen.selected_tag.master_width_factor
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= math.min(math.max(new_mwfact, 0.01), 0.99)
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client.setwfact(math.min(math.max(wfact,0.01), 0.99), c)
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return true
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end
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end
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return prev_coords.x == coords.x and prev_coords.y == coords.y
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end, cursor)
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end
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local function apply_size_hints(c, width, height, useless_gap)
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local bw = c.border_width
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width, height = width - 2 * bw - useless_gap, height - 2 * bw - useless_gap
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width, height = c:apply_size_hints(math.max(1, width), math.max(1, height))
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return width + 2 * bw + useless_gap, height + 2 * bw + useless_gap
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end
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local function tile_group(gs, cls, wa, orientation, fact, group, useless_gap)
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-- get our orientation right
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local height = "height"
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local width = "width"
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local x = "x"
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local y = "y"
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if orientation == "top" or orientation == "bottom" then
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height = "width"
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width = "height"
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x = "y"
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y = "x"
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end
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-- make this more generic (not just width)
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local available = wa[width] - (group.coord - wa[x])
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-- find our total values
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local total_fact = 0
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local min_fact = 1
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local size = group.size
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for c = group.first,group.last do
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-- determine the width/height based on the size_hint
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local i = c - group.first +1
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local size_hints = cls[c].size_hints
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local size_hint = size_hints["min_"..width] or size_hints["base_"..width] or 0
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size = math.max(size_hint, size)
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-- calculate the height
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if not fact[i] then
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fact[i] = min_fact
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else
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min_fact = math.min(fact[i],min_fact)
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end
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total_fact = total_fact + fact[i]
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end
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size = math.max(1, math.min(size, available))
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local coord = wa[y]
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local used_size = 0
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local unused = wa[height]
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for c = group.first,group.last do
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local geom = {}
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local hints = {}
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local i = c - group.first +1
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geom[width] = size
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geom[height] = math.max(1, math.floor(unused * fact[i] / total_fact))
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geom[x] = group.coord
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geom[y] = coord
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gs[cls[c]] = geom
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hints.width, hints.height = apply_size_hints(cls[c], geom.width, geom.height, useless_gap)
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coord = coord + hints[height]
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unused = unused - hints[height]
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total_fact = total_fact - fact[i]
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used_size = math.max(used_size, hints[width])
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end
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return used_size
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end
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local function do_tile(param, orientation)
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local t = param.tag or capi.screen[param.screen].selected_tag
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orientation = orientation or "right"
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-- This handles all different orientations.
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local width = "width"
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local x = "x"
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if orientation == "top" or orientation == "bottom" then
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width = "height"
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x = "y"
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end
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local gs = param.geometries
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local cls = param.clients
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local useless_gap = param.useless_gap
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local nmaster = math.min(t.master_count, #cls)
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local nother = math.max(#cls - nmaster,0)
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local mwfact = t.master_width_factor
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local wa = param.workarea
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local ncol = t.column_count
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local data = tag.getdata(t).windowfact
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if not data then
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data = {}
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tag.getdata(t).windowfact = data
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end
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local coord = wa[x]
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local place_master = true
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if orientation == "left" or orientation == "top" then
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-- if we are on the left or top we need to render the other windows first
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place_master = false
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end
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local grow_master = t.master_fill_policy == "expand"
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-- this was easier than writing functions because there is a lot of data we need
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for _ = 1,2 do
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if place_master and nmaster > 0 then
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local size = wa[width]
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if nother > 0 or not grow_master then
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size = math.min(wa[width] * mwfact, wa[width] - (coord - wa[x]))
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end
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if nother == 0 and not grow_master then
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coord = coord + (wa[width] - size)/2
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end
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if not data[0] then
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data[0] = {}
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end
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coord = coord + tile_group(gs, cls, wa, orientation, data[0],
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{first=1, last=nmaster, coord = coord, size = size}, useless_gap)
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end
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if not place_master and nother > 0 then
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local last = nmaster
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-- we have to modify the work area size to consider left and top views
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local wasize = wa[width]
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if nmaster > 0 and (orientation == "left" or orientation == "top") then
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wasize = wa[width] - wa[width]*mwfact
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end
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for i = 1,ncol do
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-- Try to get equal width among remaining columns
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local size = math.min( (wasize - (coord - wa[x])) / (ncol - i + 1) )
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local first = last + 1
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last = last + math.floor((#cls - last)/(ncol - i + 1))
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-- tile the column and update our current x coordinate
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if not data[i] then
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data[i] = {}
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end
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coord = coord + tile_group(gs, cls, wa, orientation, data[i],
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{ first = first, last = last, coord = coord, size = size }, useless_gap)
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end
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end
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place_master = not place_master
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end
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end
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function tile.skip_gap(nclients, t)
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return nclients == 1 and t.master_fill_policy == "expand"
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end
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--- The main tile algo, on the right.
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-- @param screen The screen number to tile.
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-- @clientlayout awful.layout.suit.tile.right
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-- @usebeautiful beautiful.layout_tile
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tile.right = {}
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tile.right.name = "tile"
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tile.right.arrange = do_tile
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tile.right.skip_gap = tile.skip_gap
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function tile.right.mouse_resize_handler(c, corner, x, y)
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return mouse_resize_handler(c, corner, x, y)
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end
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--- The main tile algo, on the left.
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-- @param screen The screen number to tile.
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-- @clientlayout awful.layout.suit.tile.left
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-- @usebeautiful beautiful.layout_tileleft
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tile.left = {}
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tile.left.name = "tileleft"
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tile.left.skip_gap = tile.skip_gap
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function tile.left.arrange(p)
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return do_tile(p, "left")
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end
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function tile.left.mouse_resize_handler(c, corner, x, y)
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return mouse_resize_handler(c, corner, x, y, "left")
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end
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--- The main tile algo, on the bottom.
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-- @param screen The screen number to tile.
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-- @clientlayout awful.layout.suit.tile.bottom
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-- @usebeautiful beautiful.layout_tilebottom
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tile.bottom = {}
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tile.bottom.name = "tilebottom"
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tile.bottom.skip_gap = tile.skip_gap
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function tile.bottom.arrange(p)
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return do_tile(p, "bottom")
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end
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function tile.bottom.mouse_resize_handler(c, corner, x, y)
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return mouse_resize_handler(c, corner, x, y, "bottom")
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end
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--- The main tile algo, on the top.
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-- @param screen The screen number to tile.
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-- @clientlayout awful.layout.suit.tile.top
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-- @usebeautiful beautiful.layout_tiletop
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tile.top = {}
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tile.top.name = "tiletop"
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tile.top.skip_gap = tile.skip_gap
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function tile.top.arrange(p)
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return do_tile(p, "top")
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end
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function tile.top.mouse_resize_handler(c, corner, x, y)
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return mouse_resize_handler(c, corner, x, y, "top")
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end
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tile.arrange = tile.right.arrange
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tile.mouse_resize_handler = tile.right.mouse_resize_handler
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tile.name = tile.right.name
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return tile
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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