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Diffstat (limited to 'lain/util/init.lua')
| -rw-r--r-- | lain/util/init.lua | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/lain/util/init.lua b/lain/util/init.lua deleted file mode 100644 index ac3afec..0000000 --- a/lain/util/init.lua +++ /dev/null @@ -1,229 +0,0 @@ - ---[[ - - Lain - Layouts, widgets and utilities for Awesome WM - - Utilities section - - Licensed under GNU General Public License v2 - * (c) 2013, Luke Bonham - * (c) 2010-2012, Peter Hofmann - ---]] - -local awful = require("awful") -local beautiful = require("beautiful") -local math = { sqrt = math.sqrt } -local mouse = mouse -local pairs = pairs -local string = { gsub = string.gsub } -local client = client -local screen = screen -local tonumber = tonumber - -local wrequire = require("lain.helpers").wrequire -local setmetatable = setmetatable - --- Lain utilities submodule --- lain.util -local util = { _NAME = "lain.util" } - --- Like awful.menu.clients, but only show clients of currently selected --- tags. -function util.menu_clients_current_tags(menu, args) - -- List of currently selected tags. - local cls_tags = awful.tag.selectedlist(mouse.screen) - - -- Final list of menu items. - local cls_t = {} - - if cls_tags == nil then return nil end - - -- For each selected tag get all clients of that tag and add them to - -- the menu. A click on a menu item will raise that client. - for i = 1,#cls_tags - do - local t = cls_tags[i] - local cls = t:clients() - - for k, c in pairs(cls) - do - cls_t[#cls_t + 1] = { awful.util.escape(c.name) or "", - function () - c.minimized = false - client.focus = c - c:raise() - end, - c.icon } - end - end - - -- No clients? Then quit. - if #cls_t <= 0 then return nil end - - -- menu may contain some predefined values, otherwise start with a - -- fresh menu. - if not menu then menu = {} end - - -- Set the list of items and show the menu. - menu.items = cls_t - local m = awful.menu.new(menu) - m:show(args) - return m -end - --- Magnify a client: Set it to "float" and resize it. -function util.magnify_client(c) - if not awful.client.floating.get(c) then - awful.client.floating.set(c, true) - - local mg = screen[mouse.screen].geometry - local tag = awful.tag.selected(mouse.screen) - local mwfact = awful.tag.getmwfact(tag) - local g = {} - g.width = math.sqrt(mwfact) * mg.width - g.height = math.sqrt(mwfact) * mg.height - g.x = mg.x + (mg.width - g.width) / 2 - g.y = mg.y + (mg.height - g.height) / 2 - c:geometry(g) - else - awful.client.floating.set(c, false) - end -end - --- Read the nice value of pid from /proc. -local function get_nice_value(pid) - local n = first_line('/proc/' .. pid .. '/stat') - if n == nil - then - -- This should not happen. But I don't want to crash, either. - return 0 - end - - -- Remove pid and tcomm. This is necessary because tcomm may contain - -- nasty stuff such as whitespace or additional parentheses... - n = string.gsub(n, '.*%) ', '') - - -- Field number 17 now is the nice value. - fields = split(n, ' ') - return tonumber(fields[17]) -end - --- To be used as a signal handler for "focus" --- This requires beautiful.border_focus{,_highprio,_lowprio}. -function util.niceborder_focus(c) - local n = get_nice_value(c.pid) - if n == 0 - then - c.border_color = beautiful.border_focus - elseif n < 0 - then - c.border_color = beautiful.border_focus_highprio - else - c.border_color = beautiful.border_focus_lowprio - end -end - --- To be used as a signal handler for "unfocus" --- This requires beautiful.border_normal{,_highprio,_lowprio}. -function util.niceborder_unfocus(c) - local n = get_nice_value(c.pid) - if n == 0 - then - c.border_color = beautiful.border_normal - elseif n < 0 - then - c.border_color = beautiful.border_normal_highprio - else - c.border_color = beautiful.border_normal_lowprio - end -end - --- Non-empty tag browsing --- direction in {-1, 1} <-> {previous, next} non-empty tag -function util.tag_view_nonempty(direction, sc) - local s = sc or mouse.screen or 1 - local scr = screen[s] - - for i = 1, #awful.tag.gettags(s) do - awful.tag.viewidx(direction,s) - if #awful.client.visible(s) > 0 then - return - end - end -end - --- {{{ Dynamic tagging --- --- Add a new tag -function util.add_tag(mypromptbox) - awful.prompt.run({prompt="New tag name: "}, mypromptbox[mouse.screen].widget, - function(text) - if text:len() > 0 then - props = { selected = true } - tag = awful.tag.add(new_name, props) - tag.name = text - tag:emit_signal("property::name") - end - end) -end - --- Rename current tag --- @author: minism -function util.rename_tag(mypromptbox) - local tag = awful.tag.selected(mouse.screen) - awful.prompt.run({prompt="Rename tag: "}, mypromptbox[mouse.screen].widget, - function(text) - if text:len() > 0 then - tag.name = text - tag:emit_signal("property::name") - end - end) -end - --- Move current tag --- pos in {-1, 1} <-> {previous, next} tag position -function util.move_tag(pos) - local tag = awful.tag.selected(mouse.screen) - local idx = awful.tag.getidx(tag) - if tonumber(pos) <= -1 then - awful.tag.move(idx - 1, tag) - else - awful.tag.move(idx + 1, tag) - end -end - --- Remove current tag (if empty) --- Any rule set on the tag shall be broken -function util.remove_tag() - local tag = awful.tag.selected(mouse.screen) - local prevtag = awful.tag.gettags(mouse.screen)[awful.tag.getidx(tag) - 1] - awful.tag.delete(tag, prevtag) -end --- --- }}} - --- On the fly useless gaps change -function util.useless_gaps_resize(thatmuch) - beautiful.useless_gap_width = tonumber(beautiful.useless_gap_width) + thatmuch - awful.layout.arrange(mouse.screen) -end - --- On the fly global border change -function util.global_border_resize(thatmuch) - beautiful.global_border_width = tonumber(beautiful.global_border_width) + thatmuch - awful.layout.arrange(mouse.screen) -end - --- Check if an element exist on a table -function util.element_in_table(element, tbl) - for _, i in pairs(tbl) do - if i == element then - return true - end - end - return false -end - -return setmetatable(util, { __index = wrequire }) |