prompt: Make awful.widget.prompt themeable

Adds new optional properties to the theme:
    prompt_fg
    prompt_bg
    prompt_fg_cursor
    prompt_bg_cursor
    prompt_font

lib/awful/prompt.lua

@@ -94,6 +94,21 @@
 -- @module awful.prompt
 ---------------------------------------------------------------------------
 
+--- The prompt cursor foreground color.
+-- @beautiful beautiful.prompt_fg_cursor
+-- @param color
+-- @see gears.color
+
+--- The prompt cursor background color.
+-- @beautiful beautiful.prompt_bg_cursor
+-- @param color
+-- @see gears.color
+
+--- The prompt text font.
+-- @beautiful beautiful.prompt_font
+-- @param string
+-- @see string
+
 -- Grab environment we need
 local assert = assert
 local io = io
@@ -449,11 +464,11 @@ function prompt.run(args, textbox, exe_callback, completion_callback,
     local command_before_comp
     local cur_pos_before_comp
     local prettyprompt = args.prompt or ""
-    local inv_col = args.fg_cursor or theme.fg_focus or "black"
-    local cur_col = args.bg_cursor or theme.bg_focus or "white"
+    local inv_col = args.fg_cursor or theme.prompt_fg_cursor or theme.fg_focus or "black"
+    local cur_col = args.bg_cursor or theme.prompt_bg_cursor or theme.bg_focus or "white"
     local cur_ul = args.ul_cursor
     local text = args.text or ""
-    local font = args.font or theme.font
+    local font = args.font or theme.prompt_font or theme.font
     local selectall = args.selectall
     local highlighter = args.highlighter
     local hooks = {}

lib/awful/widget/prompt.lua

@@ -1,17 +1,32 @@
 ---------------------------------------------------------------------------
+-- The widget version of `awful.prompt`.
+--
+-- @DOC_wibox_awidget_defaults_prompt_EXAMPLE@
+--
 -- @author Julien Danjou <julien@danjou.info>
 -- @copyright 2009 Julien Danjou
 -- @classmod awful.widget.prompt
 ---------------------------------------------------------------------------
 
+--- The prompt foreground color.
+-- @beautiful beautiful.prompt_fg
+-- @param color
+-- @see gears.color
+
+--- The prompt background color.
+-- @beautiful beautiful.prompt_bg
+-- @param color
+-- @see gears.color
+
 local setmetatable = setmetatable
 
 local completion = require("awful.completion")
 local util = require("awful.util")
 local spawn = require("awful.spawn")
 local prompt = require("awful.prompt")
-local widget_base = require("wibox.widget.base")
+local beautiful = require("beautiful")
 local textbox = require("wibox.widget.textbox")
+local background = require("wibox.container.background")
 local type = type
 
 local widgetprompt = { mt = {} }
@@ -42,16 +57,19 @@ end
 --
 -- @param args Arguments table. "prompt" is the prompt to use.
 -- @return A launcher widget.
+-- @name awful.widget.prompt
 function widgetprompt.new(args)
     args = args or {}
     local widget = textbox()
-    local promptbox = widget_base.make_widget(widget)
+    local promptbox = background()
 
     promptbox.widget = widget
     promptbox.widget:set_ellipsize("start")
     promptbox.run = run
     promptbox.spawn_and_handle_error = spawn_and_handle_error
     promptbox.prompt = args.prompt or "Run: "
+    promptbox.fg = beautiful.prompt_fg or beautiful.fg_normal
+    promptbox.bg = beautiful.prompt_bg or beautiful.bg_normal
     return promptbox
 end
 

tests/examples/wibox/awidget/defaults/prompt.lua

@@ -0,0 +1,20 @@
+local parent    = ... --DOC_NO_USAGE --DOC_HIDE
+local awful     = { widget = {  --DOC_HIDE
+                    prompt = require("awful.widget.prompt")}}--DOC_HIDE
+local beautiful = require( "beautiful" ) --DOC_HIDE
+
+-- Fake a theme --DOC_HIDE
+beautiful.prompt_fg        = "#F6F2E8" --DOC_HIDE
+beautiful.prompt_bg        = "#404040" --DOC_HIDE
+beautiful.prompt_fg_cursor = "#000000" --DOC_HIDE
+beautiful.prompt_bg_cursor = "#898941" --DOC_HIDE
+beautiful.prompt_font      = "DejaVu Sans Mono 8" --DOC_HIDE
+
+
+    local myprompt = awful.widget.prompt {
+        prompt = "Execute: "
+    }
+
+    myprompt:run()
+
+parent:add(myprompt) --DOC_HIDE

themes/default/theme.lua

@@ -38,6 +38,7 @@ theme.border_marked = "#91231c"
 -- titlebar_[bg|fg]_[normal|focus]
 -- tooltip_[font|opacity|fg_color|bg_color|border_width|border_color]
 -- mouse_finder_[color|timeout|animate_timeout|radius|factor]
+-- prompt_[fg|bg|fg_cursor|bg_cursor|font]
 -- Example:
 --theme.taglist_bg_focus = "#ff0000"