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Implement window switcher
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elenapan
parent
a6b7c069a2
commit
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3 changed files with 290 additions and 18 deletions
274
config/awesome/elemental/window_switcher.lua
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274
config/awesome/elemental/window_switcher.lua
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@ -0,0 +1,274 @@
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local awful = require("awful")
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local wibox = require("wibox")
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local beautiful = require("beautiful")
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local helpers = require("helpers")
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local keys = require("keys")
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-- TODO ability to switch to minimized clients:
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-- Might need to ditch the "easy" tasklist approach for something manual
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local window_switcher_margin = dpi(10)
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local item_size = dpi(50)
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-- Set up text symbols and colors to be used instead of awful.widget.clienticon
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-- Based on the client's `class` property
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local class_icons = {
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-- Terminals
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['kitty'] = { symbol = "", color = x.color5 },
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['Alacritty'] = { symbol = "", color = x.color5 },
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['Termite'] = { symbol = "", color = x.color5 },
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['URxvt'] = { symbol = "", color = x.color5 },
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['st'] = { symbol = "", color = x.color5 },
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['st-256color'] = { symbol = "", color = x.color5 },
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-- Image viewers
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['feh'] = { symbol = "", color = x.color1 },
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['Sxiv'] = { symbol = "", color = x.color1 },
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-- General
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['TelegramDesktop'] = { symbol = "", color = x.color4 },
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['Firefox'] = { symbol = "", color = x.color3 },
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['Chromium'] = { symbol = "", color = x.color4 },
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['Chromium-browser'] = { symbol = "", color = x.color4 },
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['Steam'] = { symbol = "", color = x.color2 },
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['Lutris'] = { symbol = "", color = x.color6 },
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['editor'] = { symbol = "", color = x.color5 },
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['Emacs'] = { symbol = "", color = x.color5 },
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['email'] = { symbol = "", color = x.color6 },
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['music'] = { symbol = "", color = x.color6 },
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['mpv'] = { symbol = "", color = x.color6 },
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['KeePassXC'] = { symbol = "", color = x.color1 },
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['Gucharmap'] = { symbol = "", color = x.color6 },
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['Pavucontrol'] = { symbol = "", color = x.color4 },
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['htop'] = { symbol = "", color = x.color2 },
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['Screenruler'] = { symbol = "", color = x.color3 },
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['Galculator'] = { symbol = "", color = x.color2 },
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-- File managers
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['Thunar'] = { symbol = "", color = x.color3 },
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['Nemo'] = { symbol = "", color = x.color3 },
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['Gimp'] = { symbol = "", color = x.color4 },
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['Inkscape'] = { symbol = "", color = x.color2 },
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['Gpick'] = { symbol = "", color = x.color6 },
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-- Default
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['_'] = { symbol = "", color = x.color7.."99" }
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}
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awful.screen.connect_for_each_screen(function(s)
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s.window_switcher = wibox({
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width = dpi(500),
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height = dpi(100), -- Will change dynamically
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visible = false,
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ontop = true,
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screen = s,
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bg = "#00000000",
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fg = x.foreground
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})
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awful.placement.centered(s.window_switcher, { honor_workarea = true, honor_padding = true })
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-- Tasklist
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s.window_switcher_tasklist = awful.widget.tasklist {
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screen = s,
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filter = awful.widget.tasklist.filter.currenttags,
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buttons = keys.tasklist_buttons,
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style = {
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font = beautiful.tasklist_font,
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-- font = "sans 10 medium",
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bg = x.color0,
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},
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layout = {
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layout = wibox.layout.fixed.vertical
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},
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widget_template = {
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{
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-- Standard icon (from beautiful.icon_theme)
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-- {
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-- awful.widget.clienticon,
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-- margins = 5,
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-- widget = wibox.container.margin
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-- },
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-- Text icon
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{
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id = 'text_icon',
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font = 'icomoon 25',
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forced_width = dpi(50),
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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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id = 'text_role',
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align = "center",
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widget = wibox.widget.textbox,
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},
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left = dpi(6),
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right = dpi(14),
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-- Add margins to top and bottom in order to force the
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-- text to be on a single line, if needed. Might need
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-- to adjust them according to font size.
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top = dpi(14),
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bottom = dpi(14),
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widget = wibox.container.margin
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},
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layout = wibox.layout.fixed.horizontal
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},
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forced_height = item_size,
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id = "bg_role",
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widget = wibox.container.background,
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create_callback = function(self, c, _, __)
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local i
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if class_icons[c.class] then
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i = c.class
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else
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i = '_'
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end
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self:get_children_by_id('text_icon')[1].markup = helpers.colorize_text(class_icons[i].symbol, class_icons[i].color)
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end,
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},
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}
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s.window_switcher:setup {
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{
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s.window_switcher_tasklist,
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margins = window_switcher_margin,
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widget = wibox.container.margin
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},
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bg = x.color0,
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shape = helpers.rrect(beautiful.border_radius),
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widget = wibox.container.background
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}
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end)
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-- Keygrabber configuration
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local window_switcher_grabber
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local function window_switcher_hide()
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-- Add currently focused client to history
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if client.focus then
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awful.client.focus.history.add(client.focus)
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client.focus:raise()
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end
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-- Resume recording focus history
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awful.client.focus.history.enable_tracking()
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-- Stop and hide window_switcher
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local s = awful.screen.focused()
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awful.keygrabber.stop(window_switcher_grabber)
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s.window_switcher.visible = false
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end
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-- Helper functions for keybinds
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local window_search = function()
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window_switcher_hide()
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awful.spawn.with_shell("rofi -show windowcd")
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end
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local function get_num_clients(s)
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local clients = s.selected_tag:clients()
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local num_clients = 0
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for _, c in pairs(clients) do
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if not c.skip_taskbar then
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num_clients = num_clients + 1
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end
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end
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return num_clients
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end
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local close = function()
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if client.focus then
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client.focus:kill()
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local s = awful.screen.focused()
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local num_clients = get_num_clients(s)
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-- Hide or adjust size and position if needed
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if num_clients > 1 then
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s.window_switcher.height = s.window_switcher.height - item_size
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awful.placement.centered(s.window_switcher, { honor_workarea = true, honor_padding = true })
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else
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window_switcher_hide()
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end
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end
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end
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local unminimize = function()
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local c = awful.client.restore()
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-- Focus restored client
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if c then
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client.focus = c
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c:raise()
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end
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end
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local cycle = function(direction)
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awful.client.focus.byidx(direction)
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if client.focus then
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client.focus:raise()
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end
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end
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-- Set up keybinds
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-- Single keys only
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local keybinds = {
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['Escape'] = window_switcher_hide,
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['Tab'] = function() cycle(1) end,
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-- (Un)Minimize
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['n'] = function() if client.focus then client.focus.minimized = true end end,
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['N'] = unminimize,
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['u'] = unminimize, -- `u` for up
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-- Close
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['d'] = close,
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['q'] = close,
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-- Move with vim keys
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['j'] = function() cycle(1) end,
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['k'] = function() cycle(-1) end,
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-- Move with arrow keys
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['Down'] = function() cycle(1) end,
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['Up'] = function() cycle(-1) end,
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-- Space
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[' '] = window_search
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}
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function window_switcher_show(s)
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local num_clients = get_num_clients(s)
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if num_clients == 0 or (num_clients == 1 and client.focus) then
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return
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end
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-- Adjust size and position
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s.window_switcher.height = num_clients * item_size + window_switcher_margin * 2
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awful.placement.centered(s.window_switcher, { honor_workarea = true, honor_padding = true })
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-- Go to previously focused client (in the tag)
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awful.client.focus.history.previous()
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if client.focus then
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client.focus:raise()
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end
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-- Stop recording focus history
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awful.client.focus.history.disable_tracking()
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-- Start the keygrabber
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window_switcher_grabber = awful.keygrabber.run(function(modifiers, key, event)
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if event == "release" then
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-- Hide if the modifier was released
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-- We try to match Super or Alt or Control since we do not know which keybind is
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-- used to activate the window switcher (the keybind is set by the user in keys.lua)
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if key:match("Super") or key:match("Alt") or key:match("Control") then
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window_switcher_hide()
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end
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-- Do nothing
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return
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end
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-- Run function attached to key, if it exists
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if keybinds[key] then
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keybinds[key]()
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end
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end)
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-- Finally make the window switcher wibox visible
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s.window_switcher.visible = true
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end
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@ -131,19 +131,25 @@ keys.globalkeys = gears.table.join(
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end,
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{description = "focus right", group = "client"}),
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-- Focus client by index (cycle through clients)
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-- Window switcher
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awful.key({ superkey }, "Tab",
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function ()
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awful.client.focus.byidx( 1)
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window_switcher_show(awful.screen.focused())
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end,
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{description = "focus next by index", group = "client"}
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),
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awful.key({ superkey, shiftkey }, "Tab",
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{description = "activate window switcher", group = "client"}),
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-- Focus client by index (cycle through clients)
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awful.key({ superkey }, "z",
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function ()
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awful.client.focus.byidx(1)
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end,
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{description = "focus next by index", group = "client"}),
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awful.key({ superkey, shiftkey }, "z",
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function ()
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awful.client.focus.byidx(-1)
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end,
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{description = "focus previous by index", group = "client"}
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),
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{description = "focus next by index", group = "client"}),
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-- Gaps
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awful.key({ superkey, shiftkey }, "minus",
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@ -217,14 +223,6 @@ keys.globalkeys = gears.table.join(
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end,
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{description = "jump to urgent client", group = "client"}),
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awful.key({ superkey, }, "z",
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function ()
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awful.client.focus.history.previous()
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if client.focus then
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client.focus:raise()
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end
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end,
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{description = "go back", group = "client"}),
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awful.key({ superkey, }, "x",
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function ()
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awful.tag.history.restore()
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@ -727,10 +725,8 @@ keys.clientkeys = gears.table.join(
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-- Minimize
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awful.key({ superkey, }, "n",
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function (c)
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-- The client currently has the input focus, so it cannot be
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-- minimized, since minimized clients can't have the focus.
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c.minimized = true
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end ,
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end,
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{description = "minimize", group = "client"}),
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-- Maximize
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@ -202,6 +202,8 @@ require("elemental.dashboard")
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require("elemental.lock_screen")
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-- App drawer
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require("elemental.app_drawer")
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-- Window switcher
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require("elemental.window_switcher")
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-- >> Daemons
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-- Most widgets that display system/external info depend on evil.
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