/
_buttons.scss
207 lines (182 loc) · 6.62 KB
/
_buttons.scss
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//
// Base styles
//
.btn {
// scss-docs-start btn-css-vars
--#{$prefix}btn-padding-x: #{$btn-padding-x};
--#{$prefix}btn-padding-y: #{$btn-padding-y};
--#{$prefix}btn-font-family: #{$btn-font-family};
@include rfs($btn-font-size, --#{$prefix}btn-font-size);
--#{$prefix}btn-font-weight: #{$btn-font-weight};
--#{$prefix}btn-line-height: #{$btn-line-height};
--#{$prefix}btn-color: #{$btn-color};
--#{$prefix}btn-bg: transparent;
--#{$prefix}btn-border-width: #{$btn-border-width};
--#{$prefix}btn-border-color: transparent;
--#{$prefix}btn-border-radius: #{$btn-border-radius};
--#{$prefix}btn-hover-border-color: transparent;
--#{$prefix}btn-box-shadow: #{$btn-box-shadow};
--#{$prefix}btn-disabled-opacity: #{$btn-disabled-opacity};
--#{$prefix}btn-focus-box-shadow: 0 0 0 #{$btn-focus-width} rgba(var(--#{$prefix}btn-focus-shadow-rgb), .5);
// scss-docs-end btn-css-vars
display: inline-block;
padding: var(--#{$prefix}btn-padding-y) var(--#{$prefix}btn-padding-x);
font-family: var(--#{$prefix}btn-font-family);
@include font-size(var(--#{$prefix}btn-font-size));
font-weight: var(--#{$prefix}btn-font-weight);
line-height: var(--#{$prefix}btn-line-height);
color: var(--#{$prefix}btn-color);
text-align: center;
text-decoration: if($link-decoration == none, null, none);
white-space: $btn-white-space;
vertical-align: middle;
cursor: if($enable-button-pointers, pointer, null);
user-select: none;
border: var(--#{$prefix}btn-border-width) solid var(--#{$prefix}btn-border-color);
@include border-radius(var(--#{$prefix}btn-border-radius));
@include gradient-bg(var(--#{$prefix}btn-bg));
@include box-shadow(var(--#{$prefix}btn-box-shadow));
@include transition($btn-transition);
&:hover {
color: var(--#{$prefix}btn-hover-color);
text-decoration: if($link-hover-decoration == underline, none, null);
background-color: var(--#{$prefix}btn-hover-bg);
border-color: var(--#{$prefix}btn-hover-border-color);
}
.btn-check + &:hover {
// override for the checkbox/radio buttons
color: var(--#{$prefix}btn-color);
background-color: var(--#{$prefix}btn-bg);
border-color: var(--#{$prefix}btn-border-color);
}
&:focus-visible {
color: var(--#{$prefix}btn-hover-color);
@include gradient-bg(var(--#{$prefix}btn-hover-bg));
border-color: var(--#{$prefix}btn-hover-border-color);
outline: 0;
// Avoid using mixin so we can pass custom focus shadow properly
@if $enable-shadows {
box-shadow: var(--#{$prefix}btn-box-shadow), var(--#{$prefix}btn-focus-box-shadow);
} @else {
box-shadow: var(--#{$prefix}btn-focus-box-shadow);
}
}
.btn-check:focus-visible + & {
border-color: var(--#{$prefix}btn-hover-border-color);
outline: 0;
// Avoid using mixin so we can pass custom focus shadow properly
@if $enable-shadows {
box-shadow: var(--#{$prefix}btn-box-shadow), var(--#{$prefix}btn-focus-box-shadow);
} @else {
box-shadow: var(--#{$prefix}btn-focus-box-shadow);
}
}
.btn-check:checked + &,
:not(.btn-check) + &:active,
&:first-child:active,
&.active,
&.show {
color: var(--#{$prefix}btn-active-color);
background-color: var(--#{$prefix}btn-active-bg);
// Remove CSS gradients if they're enabled
background-image: if($enable-gradients, none, null);
border-color: var(--#{$prefix}btn-active-border-color);
@include box-shadow(var(--#{$prefix}btn-active-shadow));
&:focus-visible {
// Avoid using mixin so we can pass custom focus shadow properly
@if $enable-shadows {
box-shadow: var(--#{$prefix}btn-active-shadow), var(--#{$prefix}btn-focus-box-shadow);
} @else {
box-shadow: var(--#{$prefix}btn-focus-box-shadow);
}
}
}
&:disabled,
&.disabled,
fieldset:disabled & {
color: var(--#{$prefix}btn-disabled-color);
pointer-events: none;
background-color: var(--#{$prefix}btn-disabled-bg);
background-image: if($enable-gradients, none, null);
border-color: var(--#{$prefix}btn-disabled-border-color);
opacity: var(--#{$prefix}btn-disabled-opacity);
@include box-shadow(none);
}
}
//
// Alternate buttons
//
// scss-docs-start btn-variant-loops
@each $color, $value in $theme-colors {
.btn-#{$color} {
@if $color == "light" {
@include button-variant(
$value,
$value,
$hover-background: shade-color($value, $btn-hover-bg-shade-amount),
$hover-border: shade-color($value, $btn-hover-border-shade-amount),
$active-background: shade-color($value, $btn-active-bg-shade-amount),
$active-border: shade-color($value, $btn-active-border-shade-amount)
);
} @else if $color == "dark" {
@include button-variant(
$value,
$value,
$hover-background: tint-color($value, $btn-hover-bg-tint-amount),
$hover-border: tint-color($value, $btn-hover-border-tint-amount),
$active-background: tint-color($value, $btn-active-bg-tint-amount),
$active-border: tint-color($value, $btn-active-border-tint-amount)
);
} @else {
@include button-variant($value, $value);
}
}
}
@each $color, $value in $theme-colors {
.btn-outline-#{$color} {
@include button-outline-variant($value);
}
}
// scss-docs-end btn-variant-loops
//
// Link buttons
//
// Make a button look and behave like a link
.btn-link {
--#{$prefix}btn-font-weight: #{$font-weight-normal};
--#{$prefix}btn-color: #{$btn-link-color};
--#{$prefix}btn-bg: transparent;
--#{$prefix}btn-border-color: transparent;
--#{$prefix}btn-hover-color: #{$btn-link-hover-color};
--#{$prefix}btn-hover-border-color: transparent;
--#{$prefix}btn-active-color: #{$btn-link-hover-color};
--#{$prefix}btn-active-border-color: transparent;
--#{$prefix}btn-disabled-color: #{$btn-link-disabled-color};
--#{$prefix}btn-disabled-border-color: transparent;
--#{$prefix}btn-box-shadow: 0 0 0 #000; // Can't use `none` as keyword negates all values when used with multiple shadows
--#{$prefix}btn-focus-shadow-rgb: #{to-rgb(mix(color-contrast($link-color), $link-color, 15%))};
text-decoration: $link-decoration;
@if $enable-gradients {
background-image: none;
}
&:hover,
&:focus-visible {
text-decoration: $link-hover-decoration;
}
&:focus-visible {
color: var(--#{$prefix}btn-color);
}
&:hover {
color: var(--#{$prefix}btn-hover-color);
}
// No need for an active state here
}
//
// Button Sizes
//
.btn-lg {
@include button-size($btn-padding-y-lg, $btn-padding-x-lg, $btn-font-size-lg, $btn-border-radius-lg);
}
.btn-sm {
@include button-size($btn-padding-y-sm, $btn-padding-x-sm, $btn-font-size-sm, $btn-border-radius-sm);
}