1 files changed, 95 insertions, 0 deletions
diff --git a/Redcore-nighttime/gtk-3.20/scss/_functions.scss b/Redcore-nighttime/gtk-3.20/scss/_functions.scss
new file mode 100644
index 0000000..8eb18c6
--- /dev/null
+++ b/Redcore-nighttime/gtk-3.20/scss/_functions.scss
@@ -0,0 +1,95 @@
+$modules: () !default;
+
+@mixin exports($name) {
+    @if (not index($modules, $name)) {
+        $modules: append($modules, $name) !global;
+
+        @content;
+    }
+}
+
+@function alpha($color, $amount) {
+    @if type-of($color) == "color" {
+        @return fade-out($color, (1 - $amount));
+    } @else {
+        @return unquote("alpha(#{$color},#{$amount})");
+    }
+}
+
+@function shade($color, $amount) {
+    @if type-of($color) == "color" {
+        @if ($amount > 1) {
+            @return lighten($color, ($amount - 1) * lightness($color))
+        } @else {
+            @return darken($color, (1 - $amount) * lightness($color))
+        }
+    } @else {
+        @return unquote("shade(#{$color},#{$amount})");
+    }
+}
+
+@function mix($color1, $color2, $amount) {
+    @return unquote("mix(#{$color1},#{$color2},#{$amount})");
+}
+
+@function border_normal($color) {
+    @return shade($color, $contrast);
+}
+
+@function border_focus($color) {
+    @return if($variant == 'light', mix($selected_bg_color, $color, .3), darken($selected_bg_color, 20%));
+}
+
+@function border_active($color) {
+    @return shade($color, ($contrast - .1));
+}
+
+@function border_insensitive($color) {
+    @return shade($color, ($contrast + .05));
+}
+
+@mixin linear-gradient($color, $direction: to bottom) {
+    @if $gradient == 0 {
+        background-color: $color;
+        background-image: none;
+    } @else {
+        $amount: $gradient / 2;
+
+        background-color: $color;
+        background-image: linear-gradient($direction,
+            shade($color, (1 + $amount)),
+            shade($color, (1 - $amount))
+        );
+    }
+}
+
+@mixin border($color) {
+    border-color: border_normal($color);
+
+    &:focus, &:hover { border-color: border_focus($color); }
+
+    &:active, &:active:hover,
+    &:active:focus, &:active:hover:focus,
+    &:checked, &:checked:hover,
+    &:checked:focus, &:checked:hover:focus { border-color: border_active($color); }
+
+    &:disabled { border-color: border_insensitive($color); }
+
+    &:active:disabled, &:checked:disabled { border-color: border_normal($color); }
+}
+
+@function _text_shadow_color($tc: $fg_color, $bg: $bg_color) {
+    //
+    // calculate the color of text shadows
+    //
+    // $tc is the text color
+    // $bg is the background color
+    //
+    $_lbg: lightness($bg) / 100%;
+
+    @if lightness($tc) < 50% {
+        @return transparentize(white, 1 - $_lbg / ($_lbg * 1.3));
+    } @else {
+        @return transparentize(black, $_lbg * .8);
+    }
+}