Fixes #449. Accept and honor offsets in selectors

Gemfile.lock

@@ -7,7 +7,7 @@ GIT
 PATH
   remote: .
   specs:
-    compass (0.11.3.rails.0.dfb7c70)
+    compass (0.11.3.rails.0.2124003)
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
       sass (~> 3.1)

frameworks/compass/stylesheets/compass/utilities/sprites/_base.scss

@@ -30,18 +30,18 @@ $disable-magic-sprite-selectors:false !default;
     @include sprite-dimensions($map, $sprite);
   }
   @if not $disable-magic-sprite-selectors {
-    @include sprite-selectors($map, $sprite, $sprite);
+    @include sprite-selectors($map, $sprite, $sprite, $offset-x, $offset-y);
   }
 }
 
 // Include the selectors for the `$sprite` given the `$map` and the 
 // `$full-sprite-name`
 // @private
-@mixin sprite-selectors($map, $sprite-name, $full-sprite-name) {
+@mixin sprite-selectors($map, $sprite-name, $full-sprite-name, $offset-x: 0, $offset-y: 0) {
   @each $selector in $sprite-selectors {
     @if sprite_has_selector($map, $sprite-name, $selector) {
       &:#{$selector}, &.#{$full-sprite-name}_#{$selector}, &.#{$full-sprite-name}-#{$selector} {
-          @include sprite-background-position($map, "#{$sprite-name}_#{$selector}");
+          @include sprite-background-position($map, "#{$sprite-name}_#{$selector}", $offset-x, $offset-y);
       }
     }
   }
@@ -53,13 +53,13 @@ $disable-magic-sprite-selectors:false !default;
 // If a base class is provided, then each class will extend it.
 //
 // If `$dimensions` is `true`, the sprite dimensions will specified.
-@mixin sprites($map, $sprite-names, $base-class: false, $dimensions: false, $prefix: sprite-map-name($map)) {
+@mixin sprites($map, $sprite-names, $base-class: false, $dimensions: false, $prefix: sprite-map-name($map), $offset-x: 0, $offset-y: 0) {
   @each $sprite-name in $sprite-names {
     @if sprite_does_not_have_parent($map, $sprite-name) {
       $full-sprite-name: "#{$prefix}-#{$sprite-name}";
       .#{$full-sprite-name} {
         @if $base-class { @extend #{$base-class}; }
-        @include sprite($map, $sprite-name, $dimensions);
+        @include sprite($map, $sprite-name, $dimensions, $offset-x, $offset-y);
       }
     }
   }

lib/compass/sprite_importer.rb

@@ -132,13 +132,13 @@ $#{name}-layout:vertical !default;
   @include sprite($#{name}-sprites, $name, $dimensions, $offset-x, $offset-y)
 }
 
-@mixin #{name}-sprites($sprite-names, $dimensions: $#{name}-sprite-dimensions, $prefix: sprite-map-name($#{name}-sprites)) {
+@mixin #{name}-sprites($sprite-names, $dimensions: $#{name}-sprite-dimensions, $prefix: sprite-map-name($#{name}-sprites), $offset-x: 0, $offset-y: 0) {
-  @include sprites($#{name}-sprites, $sprite-names, $#{name}-sprite-base-class, $dimensions, $prefix)
+  @include sprites($#{name}-sprites, $sprite-names, $#{name}-sprite-base-class, $dimensions, $prefix, $offset-x, $offset-y)
 }
 
 // Generates a class for each sprited image.
-@mixin all-#{name}-sprites($dimensions: $#{name}-sprite-dimensions, $prefix: sprite-map-name($#{name}-sprites)) {
+@mixin all-#{name}-sprites($dimensions: $#{name}-sprite-dimensions, $prefix: sprite-map-name($#{name}-sprites), $offset-x: 0, $offset-y: 0) {
-  @include #{name}-sprites(#{sprite_names(uri).join(" ")}, $dimensions, $prefix);
+  @include #{name}-sprites(#{sprite_names(uri).join(" ")}, $dimensions, $prefix, $offset-x, $offset-y);
 }
 SCSS
     end

test/integrations/sprites_test.rb

@@ -448,7 +448,7 @@ class SpritesTest < Test::Unit::TestCase
     CSS
   end
 
-  it "should render corret sprite with css selectors via issue#248" do
+  it "should render correct sprite with css selectors via issue#248" do
     css = render <<-SCSS
       @import "selectors/*.png";
       @include all-selectors-sprites;
@@ -473,7 +473,32 @@ class SpritesTest < Test::Unit::TestCase
     CSS
   end
   
-  it "should render corret sprite with css selectors via magic mixin" do
+  it "should honor offsets when rendering selectors via issue#449" do
+    css = render <<-SCSS
+      @import "selectors/*.png";
+      @include all-selectors-sprites($offset-x: 20px, $offset-y: 20px);
+    SCSS
+    assert_correct css, <<-CSS
+      .selectors-sprite, .selectors-ten-by-ten {
+        background: url('/selectors-sedfef809e2.png') no-repeat;
+      }
+      
+      .selectors-ten-by-ten {
+        background-position: 20px 20px;
+      }
+      .selectors-ten-by-ten:hover, .selectors-ten-by-ten.ten-by-ten_hover, .selectors-ten-by-ten.ten-by-ten-hover {
+        background-position: 20px 0;
+      }
+      .selectors-ten-by-ten:target, .selectors-ten-by-ten.ten-by-ten_target, .selectors-ten-by-ten.ten-by-ten-target {
+        background-position: 20px -10px;
+      }
+      .selectors-ten-by-ten:active, .selectors-ten-by-ten.ten-by-ten_active, .selectors-ten-by-ten.ten-by-ten-active {
+        background-position: 20px 10px;
+      }
+    CSS
+  end
+
+  it "should render correct sprite with css selectors via magic mixin" do
     css = render <<-SCSS
       @import "selectors/*.png";
       a {
@@ -500,6 +525,7 @@ class SpritesTest < Test::Unit::TestCase
     CSS
   end
 
+  
   it "should not render corret sprite with css selectors via magic mixin" do
     css = render <<-SCSS
       @import "selectors/*.png";