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Updated Utilities (markdown)
[etc/awesome.git] / Utilities.md
1 markup
2 ------
3
4 This is a submodule which helps you markupping your text.
5
6 First, require it like this:
7
8     local markup = require("lain.util.markup")
9
10 then you can call its functions:
11
12      +-- markup
13      |
14      |`-- bold()        Set bold.
15      |`-- italic()      Set italicized text.
16      |`-- strike()      Set strikethrough text.
17      |`-- underline()   Set underlined text.
18      |`-- monospace()   Set monospaced text.
19      |`-- big()         Set bigger text.
20      |`-- small()       Set smaller text.
21      |`-- font()        Set the font of the text.
22      |
23      |`--+ bg
24      |   |
25      |   |`-- color()   Set background color.
26      |   |`-- focus()   Set focus  background color.
27      |   |`-- normal()  Set normal background color.
28      |    `-- urgent()  Set urgent background color.
29      |
30      |`--+ fg
31      |   |
32      |   |`-- color()   Set foreground color.
33      |   |`-- focus()   Set focus  foreground color.
34      |   |`-- normal()  Set normal foreground color.
35      |    `-- urgent()  Set urgent foreground color.
36      |
37      |`-- focus()       Set both foreground and background focus  colors.
38      |`-- normal()      Set both foreground and background normal colors.
39       `-- urgent()      Set both foreground and background urgent colors.
40
41 they all take one argument, which is the text to markup, except `fg.color` and `bg.color`:
42
43     markup.fg.color(text, color)
44     markup.bg.color(text, color)
45
46 menu\_clients\_current\_tags
47 ----------------------------
48
49 Similar to `awful.menu.clients()`, but this menu only shows the clients
50 of currently visible tags. Use it with a key binding like this:
51
52     awful.key({ "Mod1" }, "Tab", function()
53         awful.menu.menu_keys.down = { "Down", "Alt_L", "Tab", "j" }
54         awful.menu.menu_keys.up = { "Up", "k" }
55         lain.util.menu_clients_current_tags({ width = 350 }, { keygrabber = true })
56     end),
57
58 magnify\_client
59 ---------------
60
61 Set a client to floating and resize it in the same way the "magnifier"
62 layout does it. Place it on the "current" screen (derived from the mouse
63 position). This allows you to magnify any client you wish, regardless of
64 the currently used layout. Use it with a client keybinding like this:
65
66         clientkeys = awful.util.table.join(
67                 ...
68                 awful.key({ modkey, "Control" }, "m", lain.util.magnify_client),
69                 ...
70         )
71
72 If you want to "de-magnify" it, just reset the clients floating state to
73 `false` (hit `Mod4`+`CTRL`+`Space`, for example).
74
75 niceborder\_{focus, unfocus}
76 ----------------------------
77
78 By default, your `rc.lua` contains something like this:
79
80         client.connect_signal("focus", function(c) c.border_color = beautiful.border_focus end)
81         client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
82
83 You can change it to this:
84
85         client.connect_signal("focus", lain.util.niceborder_focus(c))
86         client.connect_signal("unfocus", lain.util.niceborder_unfocus(c))
87
88 Now, when a client is focused or unfocused, Awesome will look up its
89 nice value in `/proc/<pid>/stat`. If it's less than 0, the client is
90 classified as "high priority"; if it's greater than 0, the client is
91 classified as "low priority". If it's equal to 0, nothing special
92 happens.
93
94 This requires to define additional colors in your `theme.lua`. For example:
95
96         theme.border_focus_highprio  = "#FF0000"
97         theme.border_normal_highprio = "#A03333"
98
99         theme.border_focus_lowprio   = "#3333FF"
100         theme.border_normal_lowprio  = "#333366"
101
102 tag\_view\_nonempty
103 -------------------
104
105 This function lets you jump to the next/previous non-empty tag.
106 It takes two arguments:
107
108 * `direction`: `1` for next non-empty tag, `-1` for previous.
109 * `sc`: Screen which the taglist is in. Default is `mouse.screen` or `1`. This
110   argument is optional.
111
112 You can use it with key bindings like these:
113
114     -- Non-empty tag browsing
115     awful.key({ altkey }, "Left", function () lain.util.tag_view_nonempty(-1) end),
116     awful.key({ altkey }, "Right", function () lain.util.tag_view_nonempty(1) end),
117
118 where `altkey = "Mod1"`.
119
120 prompt\_rename\_tag
121 -------------------
122
123 This function enables you to dynamically rename the current tag you have focused.
124
125 You can use it with a key binding like this:
126
127     awful.key({ modkey, "Shift" }, "r", function () lain.util.prompt_rename_tag(mypromptbox) end)
128
129 Credits goes to [minism](https://bbs.archlinux.org/viewtopic.php?pid=1315135#p1315135).