openproject/app/assets/stylesheets/content/_buttons.sass

//-- copyright
// OpenProject is an open source project management software.
// Copyright (C) 2012-2020 the OpenProject GmbH
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2017 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See docs/COPYRIGHT.rdoc for more details.
//++

.button,
a.button
  @extend %button
  @include button-size(medium)
  @include button-expand(false)
  @include button-style($button--background-color, $button--background-hover-color, $button--font-color, $button-style)
  border: 1px solid $button--border-color

  transition-property: background, border
  transition-duration: 0.25s
  transition-timing-function: ease-out

  &:disabled,
  &.-disabled
    @include button-disabled

  &:hover
    text-decoration: none

  &.-with-icon
    &::before
      padding: 0 $button--text-icon-spacing 0 0

  &.-danger
    background: $content-form-danger-zone-bg-color
    color: $content-form-danger-zone-font-color
    border-color: $content-form-danger-zone-bg-color
    &.icon:before,
    &.icon-context:before
      color: $content-form-danger-zone-font-color
      padding-left: 0px

  &.-highlight
    @include button-style($button--highlight-background-color, $button--highlight-background-hover-color, $button--highlight-font-color, $button-style)
    @include button-style(var(--button--highlight-background-color), var(--button--highlight-background-hover-color), $button--highlight-font-color, $button-style)
    @include varprop(border-color, button--highlight-background-color)

    &:hover, &:focus
      @include varprop(border-color, button--highlight-background-hover-color)

  &.-highlight-inverted
    @include button-style($body-background, darken($body-background, 5), $content-link-color, $button-style)
    @include button-style($body-background, darken($body-background, 5), var(--content-link-color), $button-style)
    @include varprop(border-color, content-link-color)


  &.-alt-highlight
    @include button-style($button--alt-highlight-background-color, $button--alt-highlight-background-hover-color, $button--alt-highlight-font-color, $button-style)
    @include button-style(var(--button--alt-highlight-background-color), var(--button--alt-highlight-background-hover-color), $button--alt-highlight-font-color, $button-style)
    @include varprop(border-color, button--alt-highlight-background-color)

    &:hover, &:focus
      @include varprop(border-color, button--alt-highlight-background-hover-color)

  &.-active
    @include button-style($button--active-background-color, $button--active-background-color, $button--active-font-color, $button-style)
    @include varprop(border-color, button--active-border-color)
    box-shadow: 0 0 3px $button--active-border-color inset


  &.-transparent
    @include button-style($background: $button--font-color, $style: hollow)
    border-color: transparent

    &:hover, &:focus
      @include varprop(border-color, button--border-color)

    &.-active
      background: $button--active-background-color

      &:hover, &:focus
        border-color: $button--active-border-color

  &.-tiny
    @include button-size(tiny)

  &.-small
    @include button-size(small)

  &.-large
    @include button-size(large)

  &.-expand
    @include button-expand

  &.-round
    border-radius: 2em

  &.-narrow
    margin-bottom: 0em
    margin-right: 0.25rem
    padding: 0.3128em 0.55555em

.button--icon
  @include icon-common

.button--icon + .button--text,
.button--text + .button--icon,
.op-icon--wrapper + .button--text,
.button--text + .op-icon--wrapper
  margin: 0 0 0 $button--text-icon-spacing

// Hack as Lato font on Win Chrome draws about a pixel too highligh
html.-browser-windows.-browser-chrome
  .button--text,
  .button--icon
    vertical-align: -1px

.button--dropdown-indicator
  @include icon-common
  padding: 0 0 0 3px
  font-size: rem-calc(13px)
  @extend .icon-small
  @extend .icon-pulldown

// hack around the old markup (icon class applied on <a>)
// which is used for toolbar-items to add space after icons inside buttons
.toolbar-item
  .button[class*='icon-']
    &:before
      margin-right: $button--text-icon-spacing

// Button class to use as a link-like submit button
.button--link
  @include varprop(color, content-link-color)
  background: none
  border: none
  padding: 0 1px

  &.-expand
    @include button-expand

  &:visited, &:active
    @include varprop(color, content-link-color)

  &:hover
    text-decoration: underline

  &:disabled, &:disabled:hover
    cursor: not-allowed
    background: none
    color: $gray-dark