Add toast positioning

4 files changed, 54 insertions, 42 deletions

diff --git a/scss/_toasts.scss b/scss/_toasts.scss
index e2b98e600..7a1cf7354 100644
--- a/scss/_toasts.scss
+++ b/scss/_toasts.scss
@@ -1,29 +1,31 @@
 .toast {
-  max-width: $toast-max-width;
+  width: $toast-max-width;
+  max-width: 100%;
   @include font-size($toast-font-size);
   color: $toast-color;
+  pointer-events: auto;
   background-color: $toast-background-color;
   background-clip: padding-box;
   border: $toast-border-width solid $toast-border-color;
   box-shadow: $toast-box-shadow;
-  opacity: 0;
   @include border-radius($toast-border-radius);
 
-  &:not(:last-child) {
-    margin-bottom: $toast-padding-x;
+  &:not(.showing):not(.show) {
+    opacity: 0;
   }
 
-  &.showing {
-    opacity: 1;
+  &.hide {
+    display: none;
   }
+}
 
-  &.show {
-    display: block;
-    opacity: 1;
-  }
+.toast-container {
+  width: max-content;
+  max-width: 100%;
+  pointer-events: none;
 
-  &.hide {
-    display: none;
+  > :not(:last-child) {
+    margin-bottom: $toast-spacing;
   }
 }
 
diff --git a/scss/_variables.scss b/scss/_variables.scss
index b97e520d7..d9acaca98 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -1108,6 +1108,7 @@ $toast-border-width:                1px !default;
 $toast-border-color:                rgba(0, 0, 0, .1) !default;
 $toast-border-radius:               $border-radius !default;
 $toast-box-shadow:                  $box-shadow !default;
+$toast-spacing:                     $container-padding-x !default;
 
 $toast-header-color:                $gray-600 !default;
 $toast-header-background-color:     rgba($white, .85) !default;
diff --git a/site/assets/scss/_component-examples.scss b/site/assets/scss/_component-examples.scss
index b29635500..ce7ea7539 100644
--- a/site/assets/scss/_component-examples.scss
+++ b/site/assets/scss/_component-examples.scss
@@ -265,6 +265,11 @@
   }
 }
 
+// Toasts
+.bd-example-toasts {
+  min-height: 240px;
+}
+
 //
 // Code snippets
 //
diff --git a/site/content/docs/5.0/components/toasts.md b/site/content/docs/5.0/components/toasts.md
index be368c76e..ecee0ecdf 100644
--- a/site/content/docs/5.0/components/toasts.md
+++ b/site/content/docs/5.0/components/toasts.md
@@ -13,7 +13,6 @@ Toasts are lightweight notifications designed to mimic the push notifications th
 Things to know when using the toast plugin:
 
 - Toasts are opt-in for performance reasons, so **you must initialize them yourself**.
-- **Please note that you are responsible for positioning toasts.**
 - Toasts will automatically hide if you do not specify `autohide: false`.
 
 {{< callout info >}}
@@ -62,30 +61,32 @@ Toasts are slightly translucent, too, so they blend over whatever they might app
 
 ### Stacking
 
-When you have multiple toasts, we default to vertically stacking them in a readable manner.
+You can stack toasts by wrapping them in a toast container, which will vertically add some spacing.
 
 {{< example class="bg-light" >}}
-<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
-  <div class="toast-header">
-    {{< placeholder width="20" height="20" background="#007aff" class="rounded me-2" text="false" title="false" >}}
-    <strong class="me-auto">Bootstrap</strong>
-    <small class="text-muted">just now</small>
-    <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
-  </div>
-  <div class="toast-body">
-    See? Just like this.
+<div class="toast-container">
+  <div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
+    <div class="toast-header">
+      {{< placeholder width="20" height="20" background="#007aff" class="rounded me-2" text="false" title="false" >}}
+      <strong class="me-auto">Bootstrap</strong>
+      <small class="text-muted">just now</small>
+      <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
+    </div>
+    <div class="toast-body">
+      See? Just like this.
+    </div>
   </div>
-</div>
 
-<div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
-  <div class="toast-header">
-    {{< placeholder width="20" height="20" background="#007aff" class="rounded me-2" text="false" title="false" >}}
-    <strong class="me-auto">Bootstrap</strong>
-    <small class="text-muted">2 seconds ago</small>
-    <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
-  </div>
-  <div class="toast-body">
-    Heads up, toasts will stack automatically
+  <div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
+    <div class="toast-header">
+      {{< placeholder width="20" height="20" background="#007aff" class="rounded me-2" text="false" title="false" >}}
+      <strong class="me-auto">Bootstrap</strong>
+      <small class="text-muted">2 seconds ago</small>
+      <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
+    </div>
+    <div class="toast-body">
+      Heads up, toasts will stack automatically
+    </div>
   </div>
 </div>
 {{< /example >}}
@@ -134,9 +135,9 @@ Building on the above example, you can create different toast color schemes with
 
 Place toasts with custom CSS as you need them. The top right is often used for notifications, as is the top middle. If you're only ever going to show one toast at a time, put the positioning styles right on the `.toast`.
 
-{{< example class="bg-dark" >}}
-<div aria-live="polite" aria-atomic="true" style="position: relative; min-height: 200px;">
-  <div class="toast" style="position: absolute; top: 0; right: 0;">
+{{< example class="bg-dark bd-example-toasts p-0">}}
+<div aria-live="polite" aria-atomic="true" class="position-relative">
+  <div class="toast position-absolute top-0 end-0 m-3">
     <div class="toast-header">
       {{< placeholder width="20" height="20" background="#007aff" class="rounded me-2" text="false" title="false" >}}
       <strong class="me-auto">Bootstrap</strong>
@@ -152,10 +153,13 @@ Place toasts with custom CSS as you need them. The top right is often used for n
 
 For systems that generate more notifications, consider using a wrapping element so they can easily stack.
 
-{{< example class="bg-dark" >}}
-<div aria-live="polite" aria-atomic="true" style="position: relative; min-height: 200px;">
-  <!-- Position it -->
-  <div style="position: absolute; top: 0; right: 0;">
+{{< example class="bg-dark bd-example-toasts p-0" >}}
+<div aria-live="polite" aria-atomic="true" class="position-relative">
+  <!-- Position it: -->
+  <!-- - `.toast-container` for spacing between toasts -->
+  <!-- - `.position-absolute`, `top-0` & `end-0` to position the toasts in the upper right corner -->
+  <!-- - `.m-3` to prevent the toasts from sticking to the edge of the container  -->
+  <div class="toast-container position-absolute top-0 end-0 m-3">
 
     <!-- Then put toasts within -->
     <div class="toast" role="alert" aria-live="assertive" aria-atomic="true">
@@ -187,9 +191,9 @@ For systems that generate more notifications, consider using a wrapping element
 
 You can also get fancy with flexbox utilities to align toasts horizontally and/or vertically.
 
-{{< example class="bg-dark" >}}
+{{< example class="bg-dark bd-example-toasts d-flex" >}}
 <!-- Flexbox container for aligning the toasts -->
-<div aria-live="polite" aria-atomic="true" class="d-flex justify-content-center align-items-center" style="min-height: 200px;">
+<div aria-live="polite" aria-atomic="true" class="d-flex justify-content-center align-items-center w-100">
 
   <!-- Then put toasts within -->
   <div class="toast" role="alert" aria-live="assertive" aria-atomic="true">