init.lua

local type = type
local base      = require( "wibox.widget.base" )
local tooltip   = require( "radical.tooltip"   )
local aw_button = require( "awful.button"      )
local beautiful = require( "beautiful"         )

-- Define some wibox.widget extensions
local function set_tooltip(self, text, args)
  if not text then return end
  rawset(self, "_tooltip", tooltip(self,text, args))
end

--- Set a menu for widget "self".
-- This function is available for all widgets.
-- Any signals can be used as trigger, the common ones are:
--
-- * "button::press" (default) Left mouse button (normal click_
-- * "mouse::enter" When the mouse enter the widget
--
-- @param self A widget (implicit parameter)
-- @param menu A radical menu or a function returning one (for lazy-loading)
-- @tparam[opt="button1::pressed"] string event The event trigger for showing
--  the menu.
-- @tparam[opt=1] button_id The mouse button 1 (1= left, 3=right)
-- @tparam[opt=widget] The position mode (see `radical.placement`)
local function set_menu(self,menu, event, button_id, mode)
  if not menu then return end

  event = event or "button::pressed"
  button_id = button_id or 1
  mode = mode or "widget"


  local function trigger(_, geo)
    geo = geo or _
    local m =  menu

    if self._data and self._data.is_menu then
      geo.parent_menu = self._data
    end

    if type(menu) == "function" then
      if self._tmp_menu and self._tmp_menu.visible then
        self._tmp_menu.visible = false
        self._tmp_menu = nil
        return
      end
      m = menu(self)
      self._tmp_menu = m
    end
    if not m then return end

    m.parent_geometry = geo
    m._internal.w:move_by_parent(geo, mode)

    m.visible = not m.visible
  end

  if event == "button::pressed" then
    local current,bt = self:buttons(),aw_button({},button_id,trigger)
    for k, v in pairs(bt) do
      current[type(k) == "number" and (#current+1) or k] = v
    end
  else
    self:connect_signal(event, trigger)
  end
  self._menu = menu
  return button_id
end

local function get_preferred_size(self, context, width, height)
  context = context or 1

  if type(context) == "number" then
    context = {dpi=beautiful.xresources.get_dpi(context)}
  elseif not context.dpi then
    context.dpi = beautiful.xresources.get_dpi(1)
  end

  return self:fit(context, width or 9999, height or 9999)
end

-- Do some monkey patching to extend all wibox.widget
base._make_widget =base.make_widget
base.make_widget = function(...)
  local ret = base._make_widget(...)
  rawset(ret, "set_tooltip" , set_tooltip)
  rawset(ret, "set_menu"    , set_menu)

  -- Textboxes already have it
  if not rawget(ret, "get_preferred_size") then
    rawset(ret, "get_preferred_size", get_preferred_size)
  end

  return ret
end


local bar = require( "radical.bar"     )

return {
  layout  = require( "radical.layout"  ),
  object  = require( "radical.object"  ),
  base    = require( "radical.base"    ),
  radial  = require( "radical.radial"  ),
  context = require( "radical.context" ),
  embed   = require( "radical.embed"   ),
  box     = require( "radical.box"     ),
  style   = require( "radical.style"   ),
  widgets = require( "radical.widgets" ),
  item    = require( "radical.item"    ),
  dock    = require( "radical.dock"    ),
  bar     = bar,
  flexbar = bar.flex,
  tooltip = tooltip
}
-- kate: space-indent on; indent-width 2; replace-tabs on;