1 // Copyright 2014 Jason Woofenden -- Public Domain (CC0)
3 // This file contains helpers for using stylus in your project.
5 // Put something like this in your styl.styl:
6 // @require 'code/wfpl/stylus-helpers.styl'
9 // set units to px if it doesn't have a unit already
11 unit(i) == '' ? unit(i, px) : i
14 vendors = webkit moz o ms official
19 border-radius: arguments
21 -{vendor}-border-radius: arguments
22 // FIXME add box shadow and text shadow?
26 position: unquote(type)
27 for i in (0...length(args))
28 if not args[i] is a 'unit'
29 {args[i]}: args[i + 1] is a 'unit' ? args[i + 1] : 0
31 // you can pass directions and units, or just directions. Examples:
32 // absolute: top 20px left 0
34 // relative: top: -4px
36 _pos('absolute', arguments)
38 _pos('fixed', arguments)
40 _pos('relative', arguments)
42 // Make children of this element inline-blocks that are spaced evenly accross.
44 // To create a minimum distance between: don't use word-spacing, it's broken in
45 // firefox. Instead, try padding on the children and negative margin on the
47 space_evenly(line_height = 1.2em)
51 relative top line_height
56 margin-bottom -(line_height)
62 // image layout: left column has normal, right column hover versions
64 // arguments: width/height are pixel dimensions of a single sprite
66 // markup: put classes n1, n2, etc on the items.
73 // <li class="n1">home</li>
74 // <li class="n2">contact</li>
79 // sprite-rollover "images/nav.png" 150 35 2
80 sprite-rollover(image, width, height, count)
81 width = unit(width, px)
82 height = unit(width, px)
85 background: transparent url(image) top left no-repeat;
89 background-position 0 y
91 background-position -(width) y
93 // Styling for a variable height element with an image background where the
94 // middle repeats vertically. You must split your image into three images, and
95 // name them with "-top", "-mid" and "-bot" suffixes (right before the file
96 // extension.) then pass a filepath as the first argument to this function
97 // which does not have a suffix.
102 // i/foo-top.png (900x20)
103 // i/foo-mid.png (900xwhatever)
104 // i/foo-bot.png (900x30)
106 // dom layout: <div id="expando"><div><div><div>...</div></div></div></div>
111 // mangin: 10px auto;
113 // background-vertical-stretch("i/foo.png", 20, 30)
117 // You can (optionally) pass 1-4 additional arguments which
118 // (effectively) add padding to the inner most div. The default is to
119 // have the height and width of the inner div match exactly the outer
120 // one. Parameters you specify are relative to that (not the section
121 // filled with the "-mid" image).
122 background-vertical-stretch(image, top-height, bottom-height, top-pad = 0, right-pad = top-pad, bottom-pad = top-pad, left-pad = right-pad)
123 top-height = _px(top-height)
124 bottom-height = _px(bottom-height)
125 top-pad = _px(top-pad)
126 right-pad = _px(right-pad)
127 bottom-pad = _px(bottom-pad)
128 left-pad = _px(left-pad)
130 path = pathjoin(dirname(image), basename(image, ext))
132 // bottom image (outermost block)
133 background transparent url(path + '-bot' + ext)
134 padding-bottom bottom-height + 1 // +1 to prevent margin collapsing
136 background transparent url(path + '-top' + ext) 0 0 no-repeat
137 padding-top top-height + 1 // +1 to prevent margin collapsing
139 background transparent url(path + '-mid' + ext) 0 0 repeat-y;
140 margin-top -1px; // correct for above +1 from top
141 margin-bottom -1px; // correct for above +1 from bottom
142 padding 1px; // to prevent margin collapsing
144 // all "2px" below are to correct for 1px above padding and below
146 margin-top 2px - top-height + top-pad
147 margin-left: left-pad - 2px
148 margin-right: right-pad - 2px
149 margin-bottom: 2px - bottom-height + bottom-pad
150 background transparent;