placement: Fix margin support

This was only partially implemented. The margins were substracted from
the area too early in the pipeline. Now, they are added when getting
the size and substracted when setting it. This way, the margins will
"survive" when a placement function set an absolute value in one of
the field. Previously, this caused one (or more) of the margins to
be lost.
This commit is contained in:
Emmanuel Lepage Vallee 2016-05-10 17:37:38 -04:00
parent a141dbfd06
commit c490ca3803
1 changed files with 51 additions and 31 deletions

View File

@ -137,6 +137,7 @@ local function compose(...)
local pretend_real = args.pretend
args.pretend = true
args.attach = false
for k, f in ipairs(queue) do
if k == #queue then
@ -259,29 +260,51 @@ local function store_geometry(d, reqtype)
data[d][reqtype].screen = d.screen
end
--- Get the margins and offset
-- @tparam table args The arguments
-- @treturn table The margins
-- @treturn table The offsets
local function get_decoration(args)
local offset = args.offset
-- Offset are "blind" values added to the output
offset = type(offset) == "number" and {
x = offset,
y = offset,
width = offset,
height = offset,
} or args.offset or {}
-- Margins are distances on each side to substract from the area`
local m = type(args.margins) == "table" and args.margins or {
left = args.margins or 0 , right = args.margins or 0,
top = args.margins or 0 , bottom = args.margins or 0
}
return m, offset
end
--- Apply some modifications before applying the new geometry.
-- @tparam table new_geo The new geometry
-- @tparam table args The common arguments
-- @tparam boolean force Always ajust the geometry, even in pretent mode. This
-- should only be used when returning the final geometry as it would otherwise
-- mess the pipeline.
-- @treturn table|nil The new geometry
local function fix_new_geometry(new_geo, args)
if args.pretend or not new_geo then return nil end
local function fix_new_geometry(new_geo, args, force)
if (args.pretend and not force) or not new_geo then return nil end
local offset = args.offset or {}
if type(offset) == "number" then
offset = {
x = offset,
y = offset,
width = offset,
height = offset,
}
end
local m, offset = get_decoration(args)
return {
x = new_geo.x and (new_geo.x + (offset.x or 0)),
y = new_geo.y and (new_geo.y + (offset.y or 0)),
width = new_geo.width and (new_geo.width + (offset.width or 0)),
height = new_geo.height and (new_geo.height + (offset.height or 0)),
x = new_geo.x and (new_geo.x + (offset.x or 0) + (m.left or 0) ),
y = new_geo.y and (new_geo.y + (offset.y or 0) + (m.top or 0) ),
width = new_geo.width and math.max(
1, (new_geo.width + (offset.width or 0) - (m.left or 0) - (m.right or 0) )
),
height = new_geo.height and math.max(
1, (new_geo.height + (offset.height or 0) - (m.top or 0) - (m.bottom or 0) )
),
}
end
@ -338,16 +361,13 @@ local function geometry_common(obj, args, new_geo, ignore_border_width)
-- Apply the margins
if args.margins then
local delta = type(args.margins) == "table" and args.margins or {
left = args.margins , right = args.margins,
top = args.margins , bottom = args.margins
}
local delta = get_decoration(args)
return {
x = dgeo.x + (delta.left or 0),
y = dgeo.y + (delta.top or 0),
width = dgeo.width - (delta.left or 0) - (delta.right or 0),
height = dgeo.height - (delta.top or 0) - (delta.bottom or 0),
x = dgeo.x - (delta.left or 0),
y = dgeo.y - (delta.top or 0),
width = dgeo.width + (delta.left or 0) + (delta.right or 0),
height = dgeo.height + (delta.top or 0) + (delta.bottom or 0),
}
end
@ -633,7 +653,7 @@ function placement.closest_corner(d, args)
local new_args = setmetatable({position = corner}, {__index=args})
local ngeo = placement_private.align(d, new_args)
return ngeo, corner
return fix_new_geometry(ngeo, args, true), corner
end
--- Place the client so no part of it will be outside the screen (workarea).
@ -751,7 +771,7 @@ function placement.under_mouse(d, args)
ngeo.width = ngeo.width - 2*bw
ngeo.height = ngeo.height - 2*bw
return ngeo
return fix_new_geometry(ngeo, args, true)
end
--- Place the client next to the mouse.
@ -862,7 +882,7 @@ function placement.resize_to_mouse(d, args)
geometry_common(d, args, ngeo)
return ngeo
return fix_new_geometry(ngeo, args, true)
end
--- Move the drawable (client or wibox) `d` to a screen position or side.
@ -913,7 +933,7 @@ function placement.align(d, args)
attach(d, placement[args.position], args)
return ngeo
return fix_new_geometry(ngeo, args, true)
end
-- Add the alias functions
@ -1002,7 +1022,7 @@ function placement.stretch(d, args)
attach(d, placement["stretch_"..args.direction], args)
return ngeo
return fix_new_geometry(ngeo, args, true)
end
-- Add the alias functions
@ -1056,7 +1076,7 @@ function placement.maximize(d, args)
attach(d, placement.maximize, args)
return ngeo
return fix_new_geometry(ngeo, args, true)
end
-- Add the alias functions
@ -1121,7 +1141,7 @@ function placement.scale(d, args)
attach(d, placement.maximize, args)
return ngeo
return fix_new_geometry(ngeo, args, true)
end
---@DOC_awful_placement_maximize_vertically_EXAMPLE@