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Carousel enhancements, including .carousel-dark (#31650) 

* Replace existing carousel control icons with chevrons from Bootstrap Icons

* Add .carousel-dark variant

* Test

* Add variable for .carousel-dark filter

* Update _variables.scss

Co-authored-by: XhmikosR <xhmikosr@gmail.com>
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Mark Otto 2020-09-24 13:16:20 -07:00 committed by GitHub
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17
scss/_carousel.scss
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@ -193,3 +193,20 @@
color: $carousel-caption-color;
text-align: center;
}
// Dark mode carousel
.carousel-dark {
.carousel-control-prev-icon,
.carousel-control-next-icon {
filter: $carousel-dark-control-icon-filter;
}
.carousel-indicators li {
background-color: $carousel-dark-indicator-active-bg;
}
.carousel-caption {
color: $carousel-dark-caption-color;
}
}

12
scss/_variables.scss
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@ -1254,14 +1254,18 @@ $carousel-caption-color: $white !default;
$carousel-caption-padding-y: 1.25rem !default;
$carousel-caption-spacer: 1.25rem !default;
$carousel-control-icon-width: 20px !default;
$carousel-control-icon-width: 2rem !default;
$carousel-control-prev-icon-bg: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'><path d='M5.25 0l-4 4 4 4 1.5-1.5L4.25 4l2.5-2.5L5.25 0z'/></svg>") !default;
$carousel-control-next-icon-bg: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'><path d='M2.75 0l-1.5 1.5L3.75 4l-2.5 2.5L2.75 8l4-4-4-4z'/></svg>") !default;
$carousel-control-prev-icon-bg: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 16 16'><path d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/></svg>") !default;
$carousel-control-next-icon-bg: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 16 16'><path d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/></svg>") !default;
$carousel-transition-duration: .6s !default;
$carousel-transition: transform $carousel-transition-duration ease-in-out !default; // Define transform transition first if using multiple transitions (e.g., `transform 2s ease, opacity .5s ease-out`)
$carousel-dark-indicator-active-bg: $black !default;
$carousel-dark-caption-color: $black !default;
$carousel-dark-control-icon-filter: invert(1) grayscale(100) !default;
// Spinners
@ -1288,7 +1292,7 @@ $btn-close-opacity: .5 !default;
$btn-close-hover-opacity: .75 !default;
$btn-close-focus-opacity: 1 !default;
$btn-close-disabled-opacity: .25 !default;
$btn-close-white-filter: invert(1) grayscale(100%) brightness(200%) !default;
$btn-close-white-filter: invert(1) grayscale(100%) brightness(200%) !default;
// Code

44
site/content/docs/5.0/components/carousel.md
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@ -206,6 +206,50 @@ Add `data-interval=""` to a `.carousel-item` to change the amount of time to del
</div>
{{< /example >}}
## Dark variant
Add `.carousel-dark` to the `.carousel` for darker controls, indicators, and captions. Controls have been inverted from their default white fill with the `filter` CSS property. Captions and controls have additional Sass variables that customize the `color` and `background-color`.
{{< example >}}
<div id="carouselExampleDark" class="carousel carousel-dark slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleDark" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleDark" data-slide-to="1"></li>
<li data-target="#carouselExampleDark" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active" data-interval="10000">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#aaa" background="#f5f5f5" text="First slide" >}}
<div class="carousel-caption d-none d-md-block">
<h5>First slide label</h5>
<p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
</div>
</div>
<div class="carousel-item" data-interval="2000">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#bbb" background="#eee" text="Second slide" >}}
<div class="carousel-caption d-none d-md-block">
<h5>Second slide label</h5>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
</div>
</div>
<div class="carousel-item">
{{< placeholder width="800" height="400" class="bd-placeholder-img-lg d-block w-100" color="#999" background="#e5e5e5" text="Third slide" >}}
<div class="carousel-caption d-none d-md-block">
<h5>Third slide label</h5>
<p>Praesent commodo cursus magna, vel scelerisque nisl consectetur.</p>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleDark" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="visually-hidden">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleDark" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="visually-hidden">Next</span>
</a>
</div>
{{< /example >}}
## Usage