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systray_hints
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systray_hints/core.lua

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Lua
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-- S Y S T R A Y H I N T S
-- rts/oarion7 - ryanthomas.org
-- Module to control the awesomewm systray from the keyboard using
-- vimium-like number hints. Developed and tested on awesome v4.3.
--TODO:
--Continue testing, clean up
local awful = require("awful")
local gears = require("gears")
local beautiful = require("beautiful")
local wibox = require("wibox")
local was_hidden
local icon_count
local icon_width
local half_icon
local first_icon_x
local icons_y
local s
local systray_hints_font = beautiful.systray_hints_font or beautiful.taglist_font or beautiful.font
local systray_hints_bg = beautiful.systray_hints_bg or beautiful.taglist_bg_occupied or "#d6d"
local systray_hints_hi = beautiful.systray_hints_bg_highlight or beautiful.bg_urgent or "#dd6"
local systray_hints_fg = beautiful.systray_hints_fg or beautiful.taglist_fg_occupied or "#000000"
awful.screen.connect_for_each_screen(function(screen) if screen.systray then s = screen end end)
if s == nil then return nil end
-- G L O B A L S
-- Edit here or override to configure options.
-- Arrows are key names optionally pressed at run-time before entering a number to specify which mouse button is to be clicked. Default is right-click, which is last in the index. The first key will set a left click, and the two middle options (up/down) trigger hover (no click).
systray_hints = {
arrows = { "Left", "Down", "Up", "Right" },
--arrows = { "h", "j", "k", "l" },
default_button = 3, -- right-click by default
--default_button = 1, -- left click by default
wibox = s.mywibox, --where to look for the system tray
systray = s.systray,
}
local function click(choice, mouse_button)
--local function click(choice, mouse_button, first_icon_x, icons_y, icon_width)
local target
local factor
local saved_coords
saved_coords = mouse.coords({x = x, y = y}) --save
if choice == 1 then factor = 0 else factor = choice - 1 end
target = first_icon_x + ( icon_width * factor )
mouse.coords { x = target , y = icons_y }
if mouse_button ~= 2 then -- don't click; just hover
root.fake_input("button_press" , tostring(mouse_button))
root.fake_input("button_release", tostring(mouse_button))
gears.timer( { timeout = 0.05,
autostart = true,
single_shot = true,
callback = function()
mouse.coords({x = saved_coords.x, y = saved_coords.y}, true) --restore
end } )
end
end
local function get_key_input(total)
local grabber
local mouse_button
local mouse_button = systray_hints.default_button
local function conc(n) return tonumber( 1 .. n ) end
local function execute(n, mouse_button)
click(n, mouse_button)
if systray_hints_widget then systray_hints_widget.visible = false end
end
grabber = awful.keygrabber {
mask_modkeys = true,
autostart = true,
--start_callback = bcn("Let us begin."), --test
keypressed_callback = function(self, mod, key, cmd)
if key == '1' and total > 9 then
if systray_hints_widget then
systray_hints_widget.widget:get_children()[1]:get_all_children()[1].systray_hint_background_item_1.bg = systray_hints_hi
end
grabber.keypressed_callback = function(self, mod, key, cmd)
if key == "Return" then
execute(1, mouse_button)
grabber:stop()
elseif not key:match("%D") then
execute(conc(key), mouse_button)
grabber:stop()
else
grabber:stop()
if was_hidden then s.systray.visible = false end
if systray_hints_widget then systray_hints_widget.visible = false end
end
end
elseif key == systray_hints.arrows[1] then mouse_button = 1
elseif key == systray_hints.arrows[4] then mouse_button = 3
elseif key == systray_hints.arrows[2] or key == systray_hints.arrows[3] then mouse_button = 2
elseif not key:match("%D") then
execute(key, mouse_button)
grabber:stop()
else
grabber:stop()
if was_hidden then s.systray.visible = false end
if systray_hints_widget then systray_hints_widget.visible = false end
end
end,
}
end
local function show_systray_hints_widget(sys_hints_geo_x, sys_hints_geo_y, w, sys_hints_icon_count, s)
local sys_hints_icon_width = w - 2
--Subtract 2px from icon width for left/right margins
if sys_hints_geo_y >= 100 then
sys_hints_geo_y = sys_hints_geo_y - sys_hints_icon_width
else sys_hints_geo_y = sys_hints_geo_y + sys_hints_icon_width
--Decide if hints should display above or below systray icons.
end
--hide if already displayed
if systray_hints_widget then
systray_hints_widget.visible = false
end
local num_rows = sys_hints_icon_count
local sys_hints_list = {}
local systray_widget_list = {}
local widget_shape = function(cr, width, height)
gears.shape.rounded_rect(cr, width, height, 5)
end
local var = {}
for i = 1, num_rows do table.insert(sys_hints_list, tostring(i)) end
for k, v in pairs(sys_hints_list) do
var["text_" .. v] = wibox.widget.textbox(tostring(v))
local text_alias = var["text_" .. v]
text_alias.font = systray_hints_font -- "Sans 14"
text_alias.markup = '<span color="' .. systray_hints_fg ..
'">' .. v .. '</span>'
local item_container_place = {}
table.insert(item_container_place, text_alias)
item_container_place.widget = wibox.container.place
local item_container_background = {}
table.insert(item_container_background, item_container_place)
item_container_background.widget = wibox.container.background
item_container_background.bg = systray_hints_bg -- "#ff00ff"
item_container_background.forced_width = sys_hints_icon_width
item_container_background.shape = widget_shape
item_container_background.shape_border_width = 2
item_container_background.shape_border_color = systray_hints_fg .. 33
item_container_background.id = "systray_hint_background_item_" ..
tostring(v)
local item_container_margin = {}
table.insert(item_container_margin, item_container_background)
item_container_margin.widget = wibox.container.margin
item_container_margin.right = 1
item_container_margin.left = 1
local complete_widget = item_container_margin
table.insert(systray_widget_list, complete_widget)
end
systray_widget_list.layout = wibox.layout.fixed.horizontal
systray_hints_widget = awful.popup {
widget = {
screen = s,
systray_widget_list,
layout = wibox.layout.fixed.horizontal,
},
x = sys_hints_geo_x,
y = sys_hints_geo_y,
visible = true,
ontop = true,
bg = "#00000000",
--hide_on_right_click = true
}
end
local function find_widget_in_wibox(wb, wdg)
local function get_geometry(hi)
local g = gears.matrix.transform_rectangle
local x, y, w, h = g(hi:get_matrix_to_device(), 0, 0, hi:get_size())
icon_count = math.floor( ( w - ( w % h) ) / h + 1 )
icon_width = math.floor(w / icon_count )
half_icon = math.floor( icon_width / 2)
first_icon_x = math.floor( x + half_icon)
icons_y = math.floor(y + half_icon)
show_systray_hints_widget( math.floor(x), math.floor(y), icon_width, icon_count, s )
get_key_input(icon_count)
end
local function traverse(hi)
if hi:get_widget() == wdg then
get_geometry(hi)
return
end
for _, child in ipairs(hi:get_children()) do
traverse(child)
-- Others have return traverse(child) here instead, but for us this returned
-- only container widgets. Removing "return" allows for an
-- additional round of recursion.
end
end
return traverse(wb._drawable._widget_hierarchy)
end
systray_hints.run = function ()
if not s.systray.visible then
was_hidden = true
s.systray.visible = true
gears.timer( { timeout = 0.05,
autostart = true,
single_shot = true,
callback = function()
find_widget_in_wibox(systray_hints.wibox, systray_hints.systray)
end } )
else
find_widget_in_wibox(systray_hints.wibox, systray_hints.systray)
end
end
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