ui/src/assets/widgets/button.scss

// Copyright (C) 2023 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

@import "theme";

@mixin filled-color-scheme($intent-color, $text-color) {
  color: $text-color;
  background: $intent-color;

  &:hover {
    background: lighten($intent-color, 5%);
  }

  &:active,
  &.pf-active {
    background: darken($intent-color, 5%);
  }

  &[disabled] {
    &:hover {
      background: $intent-color;
    }

    &.pf-active {
      background: darken($intent-color, 5%);
    }
  }
}

.pf-button {
  font-family: $pf-font;
  line-height: 1;
  user-select: none;
  border-radius: $pf-border-radius;
  padding: 4px 8px;
  white-space: nowrap;
  min-width: max-content;

  & > .pf-left-icon {
    margin-right: 6px; // Make some room between the icon and label
  }

  & > .pf-right-icon {
    margin-left: 6px; // Make some room between the icon and label
  }

  & > .material-icons,
  & > .material-icons-filled {
    font-size: inherit;
    line-height: inherit;
  }

  &:focus-visible {
    @include focus;
  }

  // Reduce padding when compact
  &.pf-compact {
    padding: 2px 4px;
    & > .pf-left-icon {
      margin-right: 2px;
    }

    & > .pf-right-icon {
      margin-left: 2px;
    }
  }

  // Reduce padding when we are icon-only
  &.pf-icon-only {
    & > .pf-left-icon {
      margin: 0;
    }

    padding: 4px;

    &.pf-compact {
      padding: 0;
    }
  }

  &[disabled] {
    filter: opacity(50%);
    cursor: not-allowed;
  }

  // From here on in we just describe the colours
  &--filled {
    background: rgba(gray, 20%);

    &:hover {
      background: rgba(gray, 30%);
    }

    &.pf-active,
    &:active {
      background: rgba(gray, 40%);
    }

    &[disabled] {
      &:hover {
        background: rgba(gray, 20%); // Reset to the default background
      }

      &.pf-active {
        background: rgba(gray, 40%);
      }
    }

    &.pf-intent-primary {
      @include filled-color-scheme($color-primary, white);
    }

    &.pf-intent-success {
      @include filled-color-scheme($color-success, white);
    }

    &.pf-intent-danger {
      @include filled-color-scheme($color-danger, white);
    }

    &.pf-intent-warning {
      @include filled-color-scheme($color-warning, black);
    }
  }

  &--outlined {
    border: 1px solid color-mix(in srgb, currentColor 50%, transparent);
  }

  &--minimal,
  &--outlined {
    &:hover {
      background: color-mix(in srgb, currentColor 10%, transparent);
    }

    &:active,
    &.pf-active {
      background: color-mix(in srgb, currentColor 20%, transparent);
    }

    &.pf-intent-primary {
      color: $pf-primary-background;
    }

    &.pf-intent-success {
      color: $color-success;
    }

    &.pf-intent-danger {
      color: $color-danger;
    }

    &.pf-intent-warning {
      color: $color-warning;
    }

    &[disabled] {
      &:hover {
        background: unset;
      }

      &.pf-active {
        background: color-mix(in srgb, currentColor 20%, transparent);
      }
    }
  }
}

.pf-button-bar {
  display: flex;
  flex-direction: row;
  gap: 2px;
  align-items: baseline;
}