carbon-components-svelte/css/_popover.scss

// This file is inlined from `carbon-components@10.47` as
// Popover styles were removed since version 10.48.

//
// Copyright IBM Corp. 2016, 2018
//
// This source code is licensed under the Apache-2.0 license found in the
// LICENSE file in the root directory of this source tree.
//

@import 'carbon-components/scss/globals/scss/vars';
@import 'carbon-components/scss/globals/scss/helper-mixins';
@import 'carbon-components/scss/globals/scss/vendor/@carbon/elements/scss/import-once/import-once';

/// Popover component
/// @access private
/// @group components
@mixin popover {
  $popover-text-color: $text-01;
  $popover-caret-offset: 1rem;
  $popover-offset: 8px;

  .#{$prefix}--popover {
    // Specify the distance between the popover and the trigger. This value must
    // have a unit otherwise the `calc()` expression will not work
    // stylelint-disable-next-line length-zero-no-unit
    --cds-popover-offset: 0rem;

    // Specify the distance that the caret should be offset from the side of the
    // popover when not centered
    --cds-popover-caret-offset: 1rem;

    position: absolute;
    z-index: z('floating');
    display: none;
  }

  // We use a pseudo element inside of the popover to create a space between the
  // target and the popover. This helps in situations like tooltips where you do
  // not want the tooltip to disappear when the user moves from the target to
  // the popover.
  .#{$prefix}--popover::before {
    position: absolute;
    display: block;
    content: '';
  }

  .#{$prefix}--popover--open {
    display: block;
  }

  .#{$prefix}--popover-contents {
    @include box-shadow;

    position: relative;
    width: max-content;
    max-width: rem(368px);
    background-color: $ui-01;
    border-radius: 2px;
    color: $popover-text-color;
  }

  .#{$prefix}--popover--light .#{$prefix}--popover-contents {
    background-color: $ui-background;
  }

  .#{$prefix}--popover--high-contrast .#{$prefix}--popover-contents {
    background-color: $inverse-02;
    color: $inverse-01;
  }

  .#{$prefix}--popover--caret {
    --cds-popover-offset: 0.5rem;
  }

  .#{$prefix}--popover--caret .#{$prefix}--popover-contents::before,
  .#{$prefix}--popover--caret .#{$prefix}--popover-contents::after {
    position: absolute;
    display: inline-block;
    width: rem(8px);
    height: rem(8px);
    background-color: inherit;
    content: '';
  }

  .#{$prefix}--popover--caret .#{$prefix}--popover-contents::before {
    z-index: -1;
    box-shadow: 2px 2px 6px 0 rgba(0, 0, 0, 0.2);
  }

  // The popover's tooltip is created by drawing two 8px x 8px boxes, one for
  // rendering the box-shadow that the popover content uses and another for
  // layering on top of this box to create an effect of a popover caret with a
  // box-shadow. The layer with the box-shadow is rendered behind the popover
  // content, while the other is rendered above of the popover content.

  //-----------------------------------------------------------------------------
  // Bottom
  //-----------------------------------------------------------------------------
  .#{$prefix}--popover--bottom {
    bottom: 0;
    left: 50%;
    transform: translate(-50%, calc(100% + var(--cds-popover-offset)));
  }

  @include place-caret(bottom) {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
  }

  // Bottom left
  .#{$prefix}--popover--bottom-left {
    bottom: 0;
    left: 0;
    transform: translateY(calc(100% + var(--cds-popover-offset)));
  }

  @include place-caret(bottom-left) {
    top: 0;
    left: 0;
    transform: translate(var(--cds-popover-caret-offset), -50%) rotate(45deg);
  }

  // Bottom right
  .#{$prefix}--popover--bottom-right {
    right: 0;
    bottom: 0;
    transform: translateY(calc(100% + var(--cds-popover-offset)));
  }

  @include place-caret(bottom-right) {
    top: 0;
    right: 0;
    transform: translate(calc(-1 * var(--cds-popover-caret-offset)), -50%)
      rotate(45deg);
  }

  // Hover area
  .#{$prefix}--popover--bottom.#{$prefix}--popover::before,
  .#{$prefix}--popover--bottom-left.#{$prefix}--popover::before,
  .#{$prefix}--popover--bottom-right.#{$prefix}--popover::before {
    top: 0;
    right: 0;
    left: 0;
    height: var(--cds-popover-offset);
    transform: translateY(-100%);
  }

  //-----------------------------------------------------------------------------
  // TOP
  //-----------------------------------------------------------------------------
  .#{$prefix}--popover--top {
    bottom: 100%;
    left: 50%;
    transform: translate(-50%, calc(-1 * var(--cds-popover-offset)));
  }

  @include place-caret(top) {
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%) rotate(45deg);
  }

  // Top left
  .#{$prefix}--popover--top-left {
    bottom: 100%;
    left: 0;
    transform: translateY(calc(-1 * var(--cds-popover-offset)));
  }

  @include place-caret(top-left) {
    bottom: 0;
    left: 0;
    transform: translate(var(--cds-popover-caret-offset), 50%) rotate(45deg);
  }

  // Top right
  .#{$prefix}--popover--top-right {
    right: 0;
    bottom: 100%;
    transform: translateY(calc(-1 * var(--cds-popover-offset)));
  }

  @include place-caret(top-right) {
    right: 0;
    bottom: 0;
    transform: translate(calc(-1 * var(--cds-popover-caret-offset)), 50%)
      rotate(45deg);
  }

  // Hover area
  .#{$prefix}--popover--top.#{$prefix}--popover::before,
  .#{$prefix}--popover--top-left.#{$prefix}--popover::before,
  .#{$prefix}--popover--top-right.#{$prefix}--popover::before {
    right: 0;
    bottom: 0;
    left: 0;
    height: var(--cds-popover-offset);
    transform: translateY(100%);
  }

  //-----------------------------------------------------------------------------
  // Right
  //-----------------------------------------------------------------------------
  .#{$prefix}--popover--right {
    top: 50%;
    left: 100%;
    transform: translate(var(--cds-popover-offset), -50%);
  }

  @include place-caret(right) {
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%) rotate(45deg);
  }

  // Right top
  .#{$prefix}--popover--right-top {
    top: 0;
    left: 100%;
    transform: translateX($popover-offset);
  }

  @include place-caret(right-top) {
    top: 0;
    left: 0;
    transform: translate(-50%, var(--cds-popover-caret-offset)) rotate(45deg);
  }

  // Right bottom
  .#{$prefix}--popover--right-bottom {
    bottom: 0;
    left: 100%;
    transform: translateX(var(--cds-popover-offset));
  }

  @include place-caret(right-bottom) {
    bottom: 0;
    left: 0;
    transform: translate(-50%, calc(-1 * var(--cds-popover-caret-offset)))
      rotate(45deg);
  }

  // Hover area
  .#{$prefix}--popover--right.#{$prefix}--popover::before,
  .#{$prefix}--popover--right-top.#{$prefix}--popover::before,
  .#{$prefix}--popover--right-bottom.#{$prefix}--popover::before {
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--cds-popover-offset);
    transform: translateX(-100%);
  }

  //-----------------------------------------------------------------------------
  // Left
  //-----------------------------------------------------------------------------
  .#{$prefix}--popover--left {
    top: 50%;
    right: 100%;
    transform: translate(calc(-1 * var(--cds-popover-offset)), -50%);
  }

  @include place-caret(left) {
    top: 50%;
    right: 0;
    transform: translate(50%, -50%) rotate(45deg);
  }

  // Left top
  .#{$prefix}--popover--left-top {
    top: 0;
    right: 100%;
    transform: translateX(calc(-1 * var(--cds-popover-offset)));
  }

  @include place-caret(left-top) {
    top: 0;
    right: 0;
    transform: translate(50%, var(--cds-popover-caret-offset)) rotate(45deg);
  }

  // Left bottom
  .#{$prefix}--popover--left-bottom {
    right: 100%;
    bottom: 0;
    transform: translateX(calc(-1 * var(--cds-popover-offset)));
  }

  @include place-caret(left-bottom) {
    right: 0;
    bottom: 0;
    transform: translate(50%, calc(-1 * var(--cds-popover-caret-offset)))
      rotate(45deg);
  }

  // Hover area
  .#{$prefix}--popover--left.#{$prefix}--popover::before,
  .#{$prefix}--popover--left-top.#{$prefix}--popover::before,
  .#{$prefix}--popover--left-bottom.#{$prefix}--popover::before {
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--cds-popover-offset);
    transform: translateX(100%);
  }
}

/// Helper for placing the caret inside a popover. The selectors here can get
/// distracting in the main stylesheet, but ultimately they target the ::before
/// and ::after pseudo-elements for the given direction. The @content block
/// passed in should appropriately position the caret for the given direction.
@mixin place-caret($direction) {
  .#{$prefix}--popover--caret.#{$prefix}--popover--#{$direction}
    .#{$prefix}--popover-contents::before,
  .#{$prefix}--popover--caret.#{$prefix}--popover--#{$direction}
    .#{$prefix}--popover-contents::after {
    @content;
  }
}

@include exports('popover') {
  @include popover;
}