]> git.madduck.net Git - etc/awesome.git/blobdiff - util/init.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

rockspec updated; @aajjbb: please update luarocks entry
[etc/awesome.git] / util / init.lua
index 4e82cd74b555c5314de8a167f81cf78618a9b9e8..5596afa1aee19c196c935ea7915a988ef66ea835 100644 (file)
@@ -15,7 +15,6 @@
 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
@@ -29,29 +28,23 @@ local setmetatable = setmetatable
 -- lain.util
 local util = { _NAME = "lain.util" }
 
--- Like awful.menu.clients, but only show clients of currently selected
--- tags.
+-- 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)
+    local cls_tags = awful.screen.focused().selected_tags
+
+    if cls_tags == nil then return nil end
 
     -- 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]
+    for i = 1,#cls_tags do
+        local t   = cls_tags[i]
         local cls = t:clients()
 
-        for k, c in pairs(cls)
-        do
+        for k, c in pairs(cls) do
             cls_t[#cls_t + 1] = { awful.util.escape(c.name) or "",
                                   function ()
                                       c.minimized = false
@@ -63,124 +56,118 @@ function util.menu_clients_current_tags(menu, args)
     end
 
     -- No clients? Then quit.
-    if #cls_t <= 0
-    then
-        return nil
-    end
+    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
+    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)
+    local m = awful.menu(menu)
     m:show(args)
+
     return m
 end
 
--- Magnify a client: Set it to "float" and resize it.
+-- 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)
+    if c and not c.floating then
+        util.mc(c)
+        util.magnified_client = c
     else
-        awful.client.floating.set(c, false)
+        c.floating = false
+        util.magnified_client = nil
     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
+-- https://github.com/copycat-killer/lain/issues/195
+function util.mc(c)
+    c = c or util.magnified_client
+    if not c then return end
+
+    c.floating   = true
+    local s      = awful.screen.focused()
+    local mg     = s.geometry
+    local tag    = s.selected_tag
+    local mwfact = beautiful.master_width_factor or 0.5
+    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
+
+    if c then c:geometry(g) end -- if c is still a valid object
 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]
+   local s = sc or awful.screen.focused()
 
-   for i = 1, #tags[s] do
-       awful.tag.viewidx(direction,s)
-       if #awful.client.visible(s) > 0 then
+   for i = 1, #s.tags do
+       awful.tag.viewidx(direction, s)
+       if #s.clients > 0 then
            return
        end
    end
 end
 
--- Dynamically rename the current tag you have focused.
-function util.prompt_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")
+-- {{{ Dynamic tagging
+
+-- Add a new tag
+function util.add_tag()
+    awful.prompt.run {
+        prompt       = "New tag name: ",
+        textbox      = awful.screen.focused().mypromptbox.widget,
+        exe_callback = function(name)
+            if not name or #name == 0 then return end
+            awful.tag.add(name, { screen = awful.screen.focused() }):view_only()
         end
-    end)
+    }
+end
+
+-- Rename current tag
+function util.rename_tag()
+    awful.prompt.run {
+        prompt       = "Rename tag: ",
+        textbox      = awful.screen.focused().mypromptbox.widget,
+        exe_callback = function(new_name)
+            if not new_name or #new_name == 0 then return end
+            local t = awful.screen.focused().selected_tag
+            if t then
+                t.name = new_name
+            end
+        end
+    }
+end
+
+-- Move current tag
+-- pos in {-1, 1} <-> {previous, next} tag position
+function util.move_tag(pos)
+    local tag = awful.screen.focused().selected_tag
+    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
 
+-- Delete current tag
+-- Any rule set on the tag shall be broken
+function util.delete_tag()
+    local t = awful.screen.focused().selected_tag
+    if not t then return end
+    t:delete()
+end
+
+-- }}}
+
 -- On the fly useless gaps change
 function util.useless_gaps_resize(thatmuch)
-    if beautiful.useless_gap_width then
-        beautiful.useless_gap_width = tonumber(beautiful.useless_gap_width) + thatmuch
-        awful.layout.arrange(mouse.screen)
-    end
+    beautiful.useless_gap = tonumber(beautiful.useless_gap) + thatmuch
+    awful.layout.arrange(awful.screen.focused())
 end
 
 return setmetatable(util, { __index = wrequire })