radical/context.lua

292 lines
10 KiB
Lua

local base = require( "radical.base" )
local print = print
local unpack = unpack
local debug = debug
local rawset = rawset
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 layout = require( "radical.layout" )
local checkbox = require( "radical.widgets.checkbox" )
local arrow_style = require( "radical.style.arrow" )
local item_mod = require("radical.item")
local glib = require("lgi").GLib
local margins2 = require("radical.margins")
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_geometry_real(data)
local geo = data._internal._next_geometry
if geo then
for k,v in pairs(geo) do
data.wibox[k] = v
end
end
data._internal._next_geometry = nil
data._internal._need_geometry_reload = nil
end
-- This will update the position before the next loop cycle
-- This avoid tons of round trips with X for dynamic menus
local function change_geometry_idle(data, x, y, w, h)
data._internal._next_geometry = data._internal._next_geometry or {}
local geo = data._internal._next_geometry
geo.x = x or geo.x
geo.y = y or geo.y
geo.width = w or geo.width
geo.height = h or geo.height
if not data._internal._need_geometry_reload then
glib.idle_add(glib.PRIORITY_HIGH_IDLE, function() set_geometry_real(data) end)
data._internal._need_geometry_reload = true
end
end
local function set_position(self)
if not self.visible then return end
local ret,parent = {x=self.x,y=self.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
local margins = self.margins
ret={x=parent.x+parent.width,y=parent.y+(self.parent_item.y)-(margins and self.margins.top or self.style.margins.TOP)}
--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 = parent.x - self.width
end
-- Handle when the menu doesn't fit on the screen vertically
if ret.y+self.height > src_geo.y + src_geo.height then
ret.y = ret.y - self.height + self.item_height + 2*(margins and self.margins.top or self.style.margins.TOP)
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.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.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
else --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
change_geometry_idle(self,ret.x,ret.y - 2*(self.wibox.border_width or 0))
end
local function setup_drawable(data)
local internal = data._internal
local private_data = 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)
internal.w.opacity = data.opacity
--Getters
data.get_wibox = function() return internal.w end
data.get_x = function() return data._internal._next_geometry and data._internal._next_geometry.x or internal.w.x end
data.get_y = function() return data._internal._next_geometry and data._internal._next_geometry.y or internal.w.y end
data.get_width = function() return data._internal._next_geometry and data._internal._next_geometry.width or internal.w.width end
data.get_height = function() return data._internal._next_geometry and data._internal._next_geometry.height or internal.w.height end
data.get_visible = function() return private_data.visible end
data.get_direction = function() return private_data.direction end
data.get_margins = function()
if not internal._margins then
local ret = {
left = data.border_width+data.style.margins.LEFT ,
right = data.border_width+data.style.margins.RIGHT ,
top = data.border_width+data.style.margins.TOP ,
bottom = data.border_width+data.style.margins.BOTTOM ,
}
m = margins2(internal.margin,ret)
rawset(m,"_reset",m.reset)
m.reset = function(margins)
m.defaults = ret
m:_reset()
end
internal._margins = m
end
return internal._margins
end
--Setters
data.set_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
data.set_x = function(_,value) change_geometry_idle(data,value) end
data.set_y = function(_,value) change_geometry_idle(data,nil,value) end
data.set_width = function(_,value)
local need_update = internal.w.width == (value + 2*data.border_width)
local margins = data.margins
change_geometry_idle(data,nil,nil,value + data.margins.left + data.margins.right)
if need_update then
data.style(data)
end
end
data.set_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
change_geometry_idle(data,nil,nil,nil,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 and (not data.parent_geometry or not data.parent_geometry.is_menu) 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[i] = args["button"..i]
end
end
-- Click to open sub_menu
if not buttons[1] and data.sub_menu_on == base.event.BUTTON1 then
buttons[1] = function() item_mod.execute_sub_menu(data,item) end
end
--Hide on right click
if not buttons[3] then
buttons[3] = function()
data:hide()
end
end
-- Scroll up
if not buttons[4] then
buttons[4] = function()
data:scroll_up()
end
end
-- Scroll down
if not buttons[5] then
buttons[5] = function()
data:scroll_down()
end
end
item:connect_signal("button::release",function(_m,_i,button_id,mods,geo)
if #mods == 0 and buttons[button_id] then
buttons[button_id](_m,_i,mods,geo)
end
end)
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;