radical/context.lua

248 lines
8.8 KiB
Lua

local base = require( "radical.base" )
local print = print
local unpack = unpack
local debug = debug
local type = type
local setmetatable = setmetatable
local color = require( "gears.color" )
local wibox = require( "wibox" )
local beautiful = require( "beautiful" )
local cairo = require( "lgi" ).cairo
local awful = require( "awful" )
local util = require( "awful.util" )
local button = require( "awful.button" )
local layout = require( "radical.layout" )
local checkbox = require( "radical.widgets.checkbox" )
local arrow_style = require( "radical.style.arrow" )
local capi,module = { mouse = mouse , screen = screen, keygrabber = keygrabber },{}
local function get_direction(data)
local parent_geometry = data.parent_geometry --Local cache to avoid always calling the object hooks
if not parent_geometry or not parent_geometry.drawable then return "bottom" end
local drawable_geom = parent_geometry.drawable.drawable.geometry(parent_geometry.drawable.drawable)
if parent_geometry.y+parent_geometry.height < drawable_geom.height then --Vertical wibox
if drawable_geom.x > capi.screen[capi.mouse.screen].geometry.width - (drawable_geom.x+drawable_geom.width) then
return "right"
else
return "left"
end
else --Horizontal wibox
if drawable_geom.y > capi.screen[capi.mouse.screen].geometry.height - (drawable_geom.y+drawable_geom.height) then
return "bottom"
else
return "top"
end
end
end
local function set_position(self)
if not self.visible then return end
local ret,parent = {x=self.wibox.x,y=self.wibox.y},self.parent_geometry
local prefx,prefy = self._internal.private_data.x,self._internal.private_data.y
local src_geo = capi.screen[capi.mouse.screen].geometry
if parent and parent.is_menu then
if parent.direction == "right" then
ret={x=parent.x-self.width,y=parent.y+(self.parent_item.y)}
else
ret={x=parent.x+parent.width,y=parent.y+(self.parent_item.y)- (parent.show_filter and parent.item_height or 0)}
--Handle when the menu doesn't fit in the srceen horizontally
if ret.x+self.width > src_geo.x + src_geo.width then
ret.x = src_geo.x + src_geo.width - self.width - parent.width
end
-- Handle when the menu doesn't fit on the screen vertically
if ret.y+self.height > src_geo.height then
ret.y = ret.y - self.height + self.item_height
end
end
elseif parent then
local drawable_geom = parent.drawable.drawable.geometry(parent.drawable.drawable)
if (self.direction == "left") or (self.direction == "right") then
ret = {x=drawable_geom.x+((self.direction == "right") and - self.wibox.width or drawable_geom.width),y=drawable_geom.y+parent.y+((self.arrow_type ~= base.arrow_type.NONE) and parent.height/2-(self.arrow_x or 20)-6 or 0)}
else
ret = {x=drawable_geom.x+parent.x-((self.arrow_type ~= base.arrow_type.NONE) and (self._arrow_x or 20)+11-parent.width/2 or 0),y=(self.direction == "bottom") and drawable_geom.y-self.wibox.height or drawable_geom.y+drawable_geom.height}
end
elseif prefx ~= 0 or prefy ~= 0 then
ret = capi.mouse.coords()
if prefx then
ret.x = prefx
end
if prefy then
ret.y = prefy
end
elseif not parent then --Use mouse position to set position --TODO it is called too often
ret = capi.mouse.coords()
local draw = awful.mouse.wibox_under_pointer and awful.mouse.wibox_under_pointer() or awful.mouse.drawin_under_pointer and awful.mouse.drawin_under_pointer()
if draw then
local geometry = draw.geometry(draw)
if self.direction == "top" or self.direction == "bottom" then
ret.x = ret.x - (self.arrow_x or 20) - 13
ret.y = geometry.y+geometry.height
if ret.y+self.height > src_geo.height then
self.direction = "bottom"
ret.y = geometry.y-self.height
end
end
end
end
--Handle when menu doesn't fit horizontally (if not handled earlier)
if ret.x+self.width > src_geo.x + src_geo.width then
ret.x = ret.x - (ret.x+self.width - (src_geo.x + src_geo.width))
elseif ret.x < 0 then
ret.x = 0
end
self.wibox.x = ret.x
self.wibox.y = ret.y - 2*(self.wibox.border_width or 0)
end
local function setup_drawable(data)
local internal = data._internal
local get_map,set_map,private_data = internal.get_map,internal.set_map,internal.private_data
--Init
internal.w = wibox({})
internal.margin = wibox.layout.margin()
if not data.layout then
data.layout = layout.vertical
end
internal.layout = data.layout(data)
internal.w.visible = false
internal.w.ontop = true
internal.margin:set_widget(internal.layout)
internal.w:set_widget(internal.margin)
internal.w:set_fg(data.fg)
--Getters
get_map.wibox = function() return internal.w end
get_map.x = function() return internal.w.x end
get_map.y = function() return internal.w.y end
get_map.width = function() return internal.w.width end
get_map.height = function() return internal.w.height end
get_map.visible = function() return private_data.visible end
get_map.direction = function() return private_data.direction end
get_map.margins = function()
local ret = {left=data.border_width,right=data.border_width,top=data.style.margins.TOP,bottom=data.style.margins.BOTTOM}
if data.arrow_type ~= base.arrow_type.NONE then
ret[data.direction] = ret[data.direction]+13
end
return ret
end
--Setters
set_map.direction = function(value)
if private_data.direction ~= value and (value == "top" or value == "bottom" or value == "left" or value == "right") then
private_data.direction = value
local fit_w,fit_h = internal.layout:fit()
data.height = fit_h
data.width = fit_w
end
end
set_map.x = function(value) internal.w.x = value end
set_map.y = function(value) internal.w.y = value end
set_map.width = function(value)
local need_update = internal.w.width == (value + 2*data.border_width)
local margins = data.margins
internal.w.width = value + data.margins.left + data.margins.right
if need_update then
data.style(data)
end
end
set_map.height = function(value)
local margins = data.margins
local need_update = (internal.w.height ~= (value + margins.top + margins.bottom))
local new_height = (value + margins.top + margins.bottom) or 1
internal.w.height = new_height > 0 and new_height or 1
if need_update then
data.style(data)
internal.set_position(data)
end
end
function internal:set_visible(value)
internal.w.visible = value
if not value then
capi.keygrabber.stop()
end
end
if data.visible then
local fit_w,fit_h = data._internal.layout:fit()
data.width = fit_w
data.height = fit_h
end
end
local function setup_buttons(data,item,args)
local buttons = {}
for i=1,10 do
if args["button"..i] then
buttons[#buttons+1] = button({},i,args["button"..i])
end
end
-- Click to open sub_menu
if not buttons[1] and data.sub_menu_on == base.sub_menu_on.BUTTON1 then
buttons[#buttons+1] = button({},1,function() base._execute_sub_menu(data,item) end)
end
--Hide on right click
if not buttons[3] then
buttons[#buttons+1] = button({},3,function()
data.visible = false
if data.parent_geometry and data.parent_geometry.is_menu then
data.parent_geometry.visible = false
end
end)
end
-- Scroll up
if not buttons[4] then
buttons[#buttons+1] = button({},4,function()
data:scroll_up()
end)
end
-- Scroll down
if not buttons[5] then
buttons[#buttons+1] = button({},5,function()
data:scroll_down()
end)
end
item.widget:buttons( util.table.join(unpack(buttons)))
end
local function setup_item(data,item,args)
-- Layout
local f = (data._internal.layout.setup_item) or (layout.vertical.setup_item)
f(data._internal.layout,data,item,args)
-- Buttons
setup_buttons(data,item,args)
-- Tooltip
item.widget:set_tooltip(item.tooltip)
end
local function new(args)
local args = args or {}
args.internal = args.internal or {}
args.internal.get_direction = args.internal.get_direction or get_direction
args.internal.set_position = args.internal.set_position or set_position
args.internal.setup_drawable = args.internal.setup_drawable or setup_drawable
args.internal.setup_item = args.internal.setup_item or setup_item
args.style = args.style or arrow_style
local ret = base(args)
ret:connect_signal("clear::menu",function(_,vis)
ret._internal.layout:reset()
end)
ret:connect_signal("_hidden::changed",function(_,item)
item.widget:emit_signal("widget::updated")
end)
return ret
end
return setmetatable(module, { __call = function(_, ...) return new(...) end })
-- kate: space-indent on; indent-width 2; replace-tabs on;