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awful.widget: add progressbar ticks property 

Second implementation of the progressbar ticks. Adds set_ticks,
set_ticks_gap and set_ticks_size methods. Default gap is 1, size 4 in
respect to the default progressbar width of 100px.

Signed-off-by: Adrian C. (anrxc) <anrxc@sysphere.org>
Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Adrian C. (anrxc) 2010-03-21 18:42:21 +01:00 committed by Julien Danjou
parent 68b46c5bd2
commit 7ea4478b38
1 changed files with 53 additions and 3 deletions
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54
lib/awful/widget/progressbar.lua.in
View File

@ -49,6 +49,24 @@ local data = setmetatable({}, { __mode = "k" })
-- @param progressbar The progressbar.
-- @param vertical A boolean value.
--- Set the progressbar to draw ticks. Default is false.
-- @name set_ticks
-- @class function
-- @param progressbar The progressbar.
-- @param ticks A boolean value.
--- Set the progressbar ticks gap.
-- @name set_ticks_gap
-- @class function
-- @param progressbar The progressbar.
-- @param value The value.
--- Set the progressbar ticks size.
-- @name set_ticks_size
-- @class function
-- @param progressbar The progressbar.
-- @param value The value.
--- Set the maximum value the progressbar should handle.
-- @name set_max_value
-- @class function
@ -57,11 +75,14 @@ local data = setmetatable({}, { __mode = "k" })
local properties = { "width", "height", "border_color",
"gradient_colors", "color", "background_color",
"vertical", "value", "max_value" }
"vertical", "value", "max_value",
"ticks", "ticks_gap", "ticks_size" }
local function update(pbar)
local width = data[pbar].width or 100
local height = data[pbar].height or 20
local ticks_gap = data[pbar].ticks_gap or 1
local ticks_size = data[pbar].ticks_size or 4
-- Create new empty image
local img = capi.image.argb32(width, height, nil)
@ -107,13 +128,42 @@ local function update(pbar)
over_drawn_width,
rel_height,
true, data[pbar].background_color or "#000000aa")
-- Place smaller pieces over the gradient if ticks are enabled
if data[pbar].ticks then
for i=0, height / (ticks_size+ticks_gap)-border_width do
local rel_offset = over_drawn_height / 1 - (ticks_size+ticks_gap) * i
if rel_offset >= rel_height then
img:draw_rectangle(border_width,
rel_offset,
over_drawn_width,
ticks_gap,
true, data[pbar].background_color or "#000000aa")
end
end
end
else
local rel_x = math.floor((over_drawn_width * value) + 0.5)
local rel_x = math.ceil(over_drawn_width * value)
img:draw_rectangle(border_width + rel_x,
border_width,
over_drawn_width - rel_x,
over_drawn_height,
true, data[pbar].background_color or "#000000aa")
if data[pbar].ticks then
for i=0, width / (ticks_size+ticks_gap)-border_width do
local rel_offset = over_drawn_width / 1 - (ticks_size+ticks_gap) * i
if rel_offset <= rel_x then
img:draw_rectangle(rel_offset,
border_width,
ticks_gap,
over_drawn_height,
true, data[pbar].background_color or "#000000aa")
end
end
end
end
-- Update the image