Merge pull request #1557 from Elv13/add_place_container
Add place container
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commit
6d00d34b41
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@ -16,6 +16,7 @@ return setmetatable({
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background = require("wibox.container.background");
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radialprogressbar = require("wibox.container.radialprogressbar");
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arcchart = require("wibox.container.arcchart");
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place = require("wibox.container.place");
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}, {__call = function(_, args) return base.make_widget_declarative(args) end})
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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@ -0,0 +1,203 @@
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---------------------------------------------------------------------------
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-- A container used to place smaller widgets into larger space.
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--
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--@DOC_wibox_container_defaults_place_EXAMPLE@
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-- @author Emmanuel Lepage Vallee <elv1313@gmail.com>
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-- @copyright 2016 Emmanuel Lepage Vallee
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-- @release @AWESOME_VERSION@
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-- @classmod wibox.container.place
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---------------------------------------------------------------------------
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local setmetatable = setmetatable
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local base = require("wibox.widget.base")
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local util = require("awful.util")
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local place = { mt = {} }
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-- Take the widget width/height and compute the position from the full
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-- width/height
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local align_fct = {
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left = function(_ , _ ) return 0 end,
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center = function(wdg, orig) return math.max(0, (orig-wdg)/2) end,
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right = function(wdg, orig) return math.max(0, orig-wdg ) end,
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}
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align_fct.top, align_fct.bottom = align_fct.left, align_fct.right
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-- Layout this layout
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function place:layout(context, width, height)
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if not self._private.widget then
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return
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end
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local w, h = base.fit_widget(self, context, self._private.widget, width, height)
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if self._private.content_fill_horizontal then
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w = width
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end
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if self._private.content_fill_vertical then
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h = height
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end
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local valign = self._private.valign or "center"
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local halign = self._private.halign or "center"
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local x, y = align_fct[halign](w, width), align_fct[valign](h, height)
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return { base.place_widget_at(self._private.widget, x, y, w, h) }
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end
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-- Fit this layout into the given area
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function place:fit(context, width, height)
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if not self._private.widget then
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return 0, 0
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end
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local w, h = base.fit_widget(self, context, self._private.widget, width, height)
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return (self._private.fill_horizontal or self._private.content_fill_horizontal)
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and width or w,
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(self._private.fill_vertical or self._private.content_fill_vertical)
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and height or h
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end
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--- The widget to be placed.
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-- @property widget
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-- @tparam widget widget The widget
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function place:set_widget(widget)
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if widget then
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base.check_widget(widget)
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end
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self._private.widget = widget
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self:emit_signal("widget::layout_changed")
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end
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function place:get_widget()
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return self._private.widget
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end
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--- Get the number of children element
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-- @treturn table The children
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function place:get_children()
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return {self._private.widget}
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end
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--- Replace the layout children
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-- This layout only accept one children, all others will be ignored
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-- @tparam table children A table composed of valid widgets
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function place:set_children(children)
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self:set_widget(children[1])
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end
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--- Reset this layout. The widget will be removed and the rotation reset.
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function place:reset()
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self:set_widget(nil)
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end
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--- The vertical alignment.
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--
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-- Possible values are:
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--
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-- * *top*
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-- * *center* (default)
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-- * *bottom*
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--
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-- @property valign
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-- @param[opt="center"] string
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--- The horizontal alignment.
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--
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-- Possible values are:
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--
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-- * *left*
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-- * *center* (default)
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-- * *right*
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--
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-- @property halign
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-- @param[opt="center"] string
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function place:set_valign(value)
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if value ~= "center" and value ~= "top" and value ~= "bottom" then
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return
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end
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self._private.valign = value
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self:emit_signal("widget::layout_changed")
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end
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function place:set_halign(value)
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if value ~= "center" and value ~= "left" and value ~= "right" then
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return
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end
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self._private.halign = value
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self:emit_signal("widget::layout_changed")
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end
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--- Fill the vertical space.
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-- @property fill_vertical
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-- @param[opt=false] boolean
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function place:set_fill_vertical(value)
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self._private.fill_vertical = value
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self:emit_signal("widget::layout_changed")
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end
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--- Fill the horizontal space.
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-- @property fill_horizontal
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-- @param[opt=false] boolean
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function place:set_fill_horizontal(value)
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self._private.fill_horizontal = value
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self:emit_signal("widget::layout_changed")
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end
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--- Stretch the contained widget so it takes all the vertical space.
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-- @property content_fill_vertical
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-- @param[opt=false] boolean
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function place:set_content_fill_vertical(value)
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self._private.content_fill_vertical = value
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self:emit_signal("widget::layout_changed")
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end
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--- Stretch the contained widget so it takes all the horizontal space.
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-- @property content_fill_horizontal
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-- @param[opt=false] boolean
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function place:set_content_fill_horizontal(value)
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self._private.content_fill_horizontal = value
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self:emit_signal("widget::layout_changed")
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end
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--- Returns a new place container.
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-- @param[opt] widget The widget to display.
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-- @tparam[opt="center"] string halign The horizontal alignment
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-- @tparam[opt="center"] string valign The vertical alignment
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-- @treturn table A new place container.
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-- @function wibox.container.place
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local function new(widget, halign, valign)
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local ret = base.make_widget(nil, nil, {enable_properties = true})
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util.table.crush(ret, place, true)
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ret:set_widget(widget)
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ret:set_halign(halign)
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ret:set_valign(valign)
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return ret
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end
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function place.mt:__call(_, ...)
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return new(_, ...)
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end
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--@DOC_widget_COMMON@
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--@DOC_object_COMMON@
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return setmetatable(place, place.mt)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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@ -0,0 +1,24 @@
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--DOC_HIDE_ALL
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local wibox = require("wibox")
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return {
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text = "Before",
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align = "center",
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valign = "center",
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widget = wibox.widget.textbox,
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},
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{
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{
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{
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text = "After",
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align = "center",
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valign = "center",
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widget = wibox.widget.textbox,
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},
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valign = "bottom",
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halign = "right",
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widget = wibox.container.place
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},
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margins = 5,
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layout = wibox.container.margin
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}
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