bulma/sass/elements/button.scss

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@use "sass:list";
@use "../utilities/css-variables" as cv;
@use "../utilities/derived-variables" as dv;
@use "../utilities/initial-variables" as iv;
@use "../utilities/extends";
@use "../utilities/mixins" as mx;
$button-h: #{cv.getVar("scheme-h")};
$button-s: #{cv.getVar("scheme-s")};
$button-l: #{cv.getVar("scheme-main-l")};
$button-background-l: #{cv.getVar("scheme-main-l")};
$button-background-l-delta: 0%;
$button-hover-background-l-delta: #{cv.getVar("hover-background-l-delta")};
$button-active-background-l-delta: #{cv.getVar("active-background-l-delta")};
$button-color-l: #{cv.getVar("text-strong-l")};
$button-border-l: #{cv.getVar("border-l")};
$button-border-l-delta: 0%;
$button-hover-border-l-delta: #{cv.getVar("hover-border-l-delta")};
$button-active-border-l-delta: #{cv.getVar("active-border-l-delta")};
$button-focus-border-l-delta: #{cv.getVar("focus-border-l-delta")};
$button-outer-shadow-h: 0;
$button-outer-shadow-s: 0%;
$button-outer-shadow-l: 20%;
$button-outer-shadow-a: 0.05;
$button-weight: cv.getVar("weight-medium") !default;
$button-family: false !default;
$button-border-color: cv.getVar("border") !default;
$button-border-style: solid !default;
$button-border-width: cv.getVar("control-border-width") !default;
$button-padding-vertical: 0.5em !default;
$button-padding-horizontal: 1em !default;
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$button-rounded-padding-horizontal-offset: 0.25em !default;
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$button-focus-border-color: cv.getVar("link-focus-border") !default;
$button-focus-box-shadow-size: 0 0 0 0.125em !default;
$button-focus-box-shadow-color: hsla(
#{cv.getVar("link-h")},
#{cv.getVar("link-s")},
#{cv.getVar("link-on-scheme-l")},
0.25
) !default;
$button-active-color: cv.getVar("link-active") !default;
$button-active-border-color: cv.getVar("link-active-border") !default;
$button-text-color: cv.getVar("text") !default;
$button-text-decoration: underline !default;
$button-text-hover-background-color: cv.getVar("background") !default;
$button-text-hover-color: cv.getVar("text-strong") !default;
$button-ghost-background: none !default;
$button-ghost-border-color: transparent !default;
$button-ghost-color: cv.getVar("link-text") !default;
$button-ghost-decoration: none !default;
$button-ghost-hover-color: cv.getVar("link") !default;
$button-ghost-hover-decoration: underline !default;
$button-disabled-background-color: cv.getVar("scheme-main") !default;
$button-disabled-border-color: cv.getVar("border") !default;
$button-disabled-shadow: none !default;
$button-disabled-opacity: 0.5 !default;
$button-static-color: cv.getVar("text-weak") !default;
$button-static-background-color: cv.getVar("scheme-main-ter") !default;
$button-static-border-color: cv.getVar("border") !default;
$button-colors: dv.$colors !default;
$button-responsive-sizes: (
"mobile": (
"small": calc(#{cv.getVar("size-small")} * 0.75),
"normal": calc(#{cv.getVar("size-small")} * 0.875),
"medium": cv.getVar("size-small"),
"large": cv.getVar("size-normal"),
),
"tablet-only": (
"small": calc(#{cv.getVar("size-small")} * 0.875),
"normal": cv.getVar("size-small"),
"medium": cv.getVar("size-normal"),
"large": cv.getVar("size-medium"),
),
) !default;
$no-palette: ("white", "black", "light", "dark");
.#{iv.$class-prefix}button {
@include cv.register-vars(
(
"button-family": #{$button-family},
"button-weight": #{$button-weight},
"button-border-color": #{$button-border-color},
"button-border-style": #{$button-border-style},
"button-border-width": #{$button-border-width},
"button-padding-vertical": #{$button-padding-vertical},
"button-padding-horizontal": #{$button-padding-horizontal},
"button-focus-border-color": #{$button-focus-border-color},
"button-focus-box-shadow-size": #{$button-focus-box-shadow-size},
"button-focus-box-shadow-color": #{$button-focus-box-shadow-color},
"button-active-color": #{$button-active-color},
"button-active-border-color": #{$button-active-border-color},
"button-text-color": #{$button-text-color},
"button-text-decoration": #{$button-text-decoration},
"button-text-hover-background-color": #{$button-text-hover-background-color},
"button-text-hover-color": #{$button-text-hover-color},
"button-ghost-background": #{$button-ghost-background},
"button-ghost-border-color": #{$button-ghost-border-color},
"button-ghost-color": #{$button-ghost-color},
"button-ghost-decoration": #{$button-ghost-decoration},
"button-ghost-hover-color": #{$button-ghost-hover-color},
"button-ghost-hover-decoration": #{$button-ghost-hover-decoration},
"button-disabled-background-color": #{$button-disabled-background-color},
"button-disabled-border-color": #{$button-disabled-border-color},
"button-disabled-shadow": #{$button-disabled-shadow},
"button-disabled-opacity": #{$button-disabled-opacity},
"button-static-color": #{$button-static-color},
"button-static-background-color": #{$button-static-background-color},
"button-static-border-color": #{$button-static-border-color},
)
);
}
.#{iv.$class-prefix}button {
@include cv.register-vars(
(
"button-h": #{$button-h},
"button-s": #{$button-s},
"button-l": #{$button-l},
"button-background-l": #{$button-background-l},
"button-background-l-delta": #{$button-background-l-delta},
"button-hover-background-l-delta": #{$button-hover-background-l-delta},
"button-active-background-l-delta": #{$button-active-background-l-delta},
"button-color-l": #{$button-color-l},
"button-border-l": #{$button-border-l},
"button-border-l-delta": #{$button-border-l-delta},
"button-hover-border-l-delta": #{$button-hover-border-l-delta},
"button-active-border-l-delta": #{$button-active-border-l-delta},
"button-focus-border-l-delta": #{$button-focus-border-l-delta},
"button-outer-shadow-h": #{$button-outer-shadow-h},
"button-outer-shadow-s": #{$button-outer-shadow-s},
"button-outer-shadow-l": #{$button-outer-shadow-l},
"button-outer-shadow-a": #{$button-outer-shadow-a},
"loading-color":
hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
#{cv.getVar("button-color-l")}
),
)
);
@extend %control;
@extend %unselectable;
background-color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
calc(
#{cv.getVar("button-background-l")} + #{cv.getVar(
"button-background-l-delta"
)}
)
);
border-color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
calc(
#{cv.getVar("button-border-l")} + #{cv.getVar("button-border-l-delta")}
)
);
border-style: cv.getVar("button-border-style");
border-width: cv.getVar("button-border-width");
box-shadow:
0px 0.0625em 0.125em
hsla(
cv.getVar("button-outer-shadow-h"),
cv.getVar("button-outer-shadow-s"),
cv.getVar("button-outer-shadow-l"),
cv.getVar("button-outer-shadow-a")
),
0px 0.125em 0.25em
hsla(
cv.getVar("button-outer-shadow-h"),
cv.getVar("button-outer-shadow-s"),
cv.getVar("button-outer-shadow-l"),
cv.getVar("button-outer-shadow-a")
);
color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
#{cv.getVar("button-color-l")}
);
cursor: pointer;
font-weight: cv.getVar("button-weight");
height: auto;
justify-content: center;
padding-bottom: calc(
#{cv.getVar("button-padding-vertical")} - #{cv.getVar(
"button-border-width"
)}
);
padding-left: calc(
#{cv.getVar("button-padding-horizontal")} - #{cv.getVar(
"button-border-width"
)}
);
padding-right: calc(
#{cv.getVar("button-padding-horizontal")} - #{cv.getVar(
"button-border-width"
)}
);
padding-top: calc(
#{cv.getVar("button-padding-vertical")} - #{cv.getVar(
"button-border-width"
)}
);
text-align: center;
white-space: nowrap;
@if $button-family {
font-family: cv.getVar("button-family");
}
strong {
color: inherit;
}
.#{iv.$class-prefix}icon {
&,
&.#{iv.$class-prefix}is-small,
&.#{iv.$class-prefix}is-medium,
&.#{iv.$class-prefix}is-large {
height: 1.5em;
width: 1.5em;
}
&:first-child:not(:last-child) {
margin-inline-start: calc(
-0.5 * #{cv.getVar("button-padding-horizontal")}
);
margin-inline-end: calc(#{cv.getVar("button-padding-horizontal")} * 0.25);
}
&:last-child:not(:first-child) {
margin-inline-start: calc(
#{cv.getVar("button-padding-horizontal")} * 0.25
);
margin-inline-end: calc(-0.5 * #{cv.getVar("button-padding-horizontal")});
}
&:first-child:last-child {
margin-inline-start: calc(
-0.5 * #{cv.getVar("button-padding-horizontal")}
);
margin-inline-end: calc(-0.5 * #{cv.getVar("button-padding-horizontal")});
}
}
// States
&:hover,
&.#{iv.$class-prefix}is-hovered {
@include cv.register-vars(
(
"button-background-l-delta": #{cv.getVar(
"button-hover-background-l-delta"
)},
"button-border-l-delta": #{cv.getVar("button-hover-border-l-delta")},
)
);
}
&:focus-visible,
&.#{iv.$class-prefix}is-focused {
@include cv.register-var("button-border-width", 1px);
border-color: hsl(
#{cv.getVar("focus-h")},
#{cv.getVar("focus-s")},
#{cv.getVar("focus-l")}
);
box-shadow: cv.getVar("focus-shadow-size")
hsla(
cv.getVar("focus-h"),
cv.getVar("focus-s"),
cv.getVar("focus-l"),
cv.getVar("focus-shadow-alpha")
);
}
&:active,
&.#{iv.$class-prefix}is-active {
@include cv.register-vars(
(
"button-background-l-delta": #{cv.getVar(
"button-active-background-l-delta"
)},
"button-border-l-delta": #{cv.getVar("button-active-border-l-delta")},
"button-outer-shadow-a": 0,
)
);
}
&[disabled],
fieldset[disabled] & {
background-color: cv.getVar("button-disabled-background-color");
border-color: cv.getVar("button-disabled-border-color");
box-shadow: cv.getVar("button-disabled-shadow");
opacity: cv.getVar("button-disabled-opacity");
}
// Colors
@each $name, $pair in $button-colors {
&.#{iv.$class-prefix}is-#{$name} {
@include cv.register-vars(
(
"button-h": #{cv.getVar($name, "", "-h")},
"button-s": #{cv.getVar($name, "", "-s")},
"button-l": #{cv.getVar($name, "", "-l")},
"button-background-l": #{cv.getVar($name, "", "-l")},
"button-border-l": #{cv.getVar($name, "", "-l")},
"button-border-width": 0px,
"button-color-l": #{cv.getVar($name, "", "-invert-l")},
"button-outer-shadow-a": 0,
)
);
&:focus-visible,
&.#{iv.$class-prefix}is-focused {
@include cv.register-var("button-border-width", 1px);
}
@if not list.index($no-palette, $name) {
&.#{iv.$class-prefix}is-light {
@include cv.register-vars(
(
"button-background-l": #{cv.getVar("light-l")},
"button-color-l": #{cv.getVar($name, "", "-light-invert-l")},
)
);
}
&.#{iv.$class-prefix}is-dark {
@include cv.register-vars(
(
"button-background-l": #{cv.getVar("dark-l")},
"button-color-l": #{cv.getVar($name, "", "-dark-invert-l")},
)
);
}
}
&.#{iv.$class-prefix}is-soft {
@include cv.register-vars(
(
"button-background-l": #{cv.getVar("soft-l")},
"button-color-l": #{cv.getVar("soft-invert-l")},
)
);
}
&.#{iv.$class-prefix}is-bold {
@include cv.register-vars(
(
"button-background-l": #{cv.getVar("bold-l")},
"button-color-l": #{cv.getVar("bold-invert-l")},
)
);
}
&[disabled],
fieldset[disabled] & {
background-color: cv.getVar($name);
border-color: cv.getVar($name);
box-shadow: none;
}
}
}
// Styles
&.#{iv.$class-prefix}is-outlined {
@include cv.register-vars(
(
"button-border-width": max(1px, 0.0625em),
)
);
background-color: transparent;
border-color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
#{cv.getVar("button-l")}
);
color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
#{cv.getVar("button-l")}
);
&:hover {
@include cv.register-vars(
(
"button-border-width": max(2px, 0.125em),
"button-outer-shadow-alpha": 1,
)
);
}
&:active {
@include cv.register-vars(());
}
}
&.#{iv.$class-prefix}is-inverted {
background-color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
calc(
#{cv.getVar("button-color-l")} + #{cv.getVar(
"button-background-l-delta"
)}
)
);
color: hsl(
#{cv.getVar("button-h")},
#{cv.getVar("button-s")},
#{cv.getVar("button-background-l")}
);
}
&.#{iv.$class-prefix}is-text {
background-color: transparent;
border-color: transparent;
color: cv.getVar("button-text-color");
text-decoration: cv.getVar("button-text-decoration");
&:hover,
&.#{iv.$class-prefix}is-hovered {
background-color: cv.getVar("button-text-hover-background-color");
color: cv.getVar("button-text-hover-color");
}
&:active,
&.#{iv.$class-prefix}is-active {
// background-color: bulmaDarken($button-text-hover-background-color, 5%);
color: cv.getVar("button-text-hover-color");
}
&[disabled],
fieldset[disabled] & {
background-color: transparent;
border-color: transparent;
box-shadow: none;
}
}
&.#{iv.$class-prefix}is-ghost {
background: cv.getVar("button-ghost-background");
border-color: cv.getVar("button-ghost-border-color");
box-shadow: none;
color: cv.getVar("button-ghost-color");
text-decoration: cv.getVar("button-ghost-decoration");
&:hover,
&.#{iv.$class-prefix}is-hovered {
color: cv.getVar("button-ghost-hover-color");
text-decoration: cv.getVar("button-ghost-hover-decoration");
}
}
// Sizes
&.#{iv.$class-prefix}is-small {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-small")},
"control-radius": #{cv.getVar("radius-small")},
)
);
}
&.#{iv.$class-prefix}is-normal {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-normal")},
"control-radius": #{cv.getVar("radius")},
)
);
}
&.#{iv.$class-prefix}is-medium {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-medium")},
"control-radius": #{cv.getVar("radius-medium")},
)
);
}
&.#{iv.$class-prefix}is-large {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-large")},
"control-radius": #{cv.getVar("radius-medium")},
)
);
}
// Modifiers
&.#{iv.$class-prefix}is-fullwidth {
display: flex;
width: 100%;
}
&.#{iv.$class-prefix}is-loading {
box-shadow: none;
color: transparent !important;
pointer-events: none;
&::after {
@extend %loader;
@include mx.center(1em);
position: absolute !important;
}
}
&.#{iv.$class-prefix}is-static {
background-color: cv.getVar("button-static-background-color");
border-color: cv.getVar("button-static-border-color");
color: cv.getVar("button-static-color");
box-shadow: none;
pointer-events: none;
}
&.#{iv.$class-prefix}is-rounded {
border-radius: cv.getVar("radius-rounded");
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padding-left: calc(
#{cv.getVar("button-padding-horizontal")} + #{$button-rounded-padding-horizontal-offset} -
#{cv.getVar("button-border-width")}
);
padding-right: calc(
#{cv.getVar("button-padding-horizontal")} + #{$button-rounded-padding-horizontal-offset} -
#{cv.getVar("button-border-width")}
);
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}
}
.#{iv.$class-prefix}buttons {
@extend %block;
align-items: center;
display: flex;
flex-wrap: wrap;
gap: 0.75rem;
justify-content: flex-start;
// Sizes
&.#{iv.$class-prefix}are-small {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-small")},
"control-radius": #{cv.getVar("radius-small")},
)
);
}
&.#{iv.$class-prefix}are-medium {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-medium")},
"control-radius": #{cv.getVar("radius-medium")},
)
);
}
&.#{iv.$class-prefix}are-large {
@include cv.register-vars(
(
"control-size": #{cv.getVar("size-large")},
"control-radius": #{cv.getVar("radius-large")},
)
);
}
&.#{iv.$class-prefix}has-addons {
gap: 0;
.#{iv.$class-prefix}button {
&:not(:first-child) {
border-end-start-radius: 0;
border-start-start-radius: 0;
}
&:not(:last-child) {
border-end-end-radius: 0;
border-start-end-radius: 0;
margin-inline-end: -1px;
}
&:hover,
&.#{iv.$class-prefix}is-hovered {
z-index: 2;
}
&:focus,
&.#{iv.$class-prefix}is-focused,
&:active,
&.#{iv.$class-prefix}is-active,
&.#{iv.$class-prefix}is-selected {
z-index: 3;
&:hover {
z-index: 4;
}
}
&.#{iv.$class-prefix}is-expanded {
flex-grow: 1;
flex-shrink: 1;
}
}
}
&.#{iv.$class-prefix}is-centered {
justify-content: center;
}
&.#{iv.$class-prefix}is-right {
justify-content: flex-end;
}
}
@each $bp-name, $bp-sizes in $button-responsive-sizes {
@include mx.breakpoint($bp-name) {
@each $size, $value in $bp-sizes {
@if $size != "normal" {
.#{iv.$class-prefix}button.#{iv.$class-prefix}is-responsive.#{iv.$class-prefix}is-#{$size} {
font-size: $value;
}
} @else {
.#{iv.$class-prefix}button.#{iv.$class-prefix}is-responsive,
.#{iv.$class-prefix}button.#{iv.$class-prefix}is-responsive.#{iv.$class-prefix}is-normal {
font-size: $value;
}
}
}
}
}