Implement SplitButton from Material 3 Expressive

This commit is contained in:
2026-03-17 08:52:53 +03:00
Unverified
parent a266de1793
commit a23880eaec
12 changed files with 904 additions and 25 deletions
@@ -0,0 +1,227 @@
@use "../../../css/material" as *;
$height: 40px;
$trailing-width: 48px; // 12 + 22 + 14 per spec
$between-space: 2px;
$outer-radius: calc(#{$height} / 2); // 20px
$inner-radius: 4px;
$inner-radius-hovered: 12px;
.splitButton {
display: inline-flex;
align-items: stretch;
position: relative;
border-radius: $outer-radius;
font-family: inherit;
font-size: 14px;
line-height: 20px;
letter-spacing: 0.1px;
background-color: transparent;
color: $color-dark-on-primary;
isolation: isolate;
&.disabled {
opacity: 0.38;
pointer-events: none;
}
.primarySegment,
.menuSegment {
position: relative;
display: inline-flex;
align-items: center;
justify-content: center;
border: none;
outline: none;
background-color: transparent;
color: inherit;
padding: 0;
min-height: $height;
cursor: pointer;
font: inherit;
box-sizing: border-box;
overflow: hidden;
&:focus-visible {
outline: 2px solid $color-dark-primary;
outline-offset: 2px;
}
mdui-ripple {
position: absolute;
inset: 0;
pointer-events: none;
}
}
.primarySegment {
border-top-left-radius: $outer-radius;
border-bottom-left-radius: $outer-radius;
border-top-right-radius: $inner-radius;
border-bottom-right-radius: $inner-radius;
padding-inline: 16px 12px;
transition: border-top-right-radius 0.18s ease-out, border-bottom-right-radius 0.18s ease-out;
@media (hover: hover) {
&:hover {
border-top-right-radius: $inner-radius-hovered;
border-bottom-right-radius: $inner-radius-hovered;
}
}
&:active {
border-top-right-radius: $inner-radius-hovered;
border-bottom-right-radius: $inner-radius-hovered;
}
.primaryContent {
display: inline-flex;
align-items: center;
gap: 8px;
pointer-events: none;
user-select: none;
.leadingIcon {
display: inline-flex;
align-items: center;
justify-content: center;
.leadingIconIcon {
display: inline-flex;
align-items: center;
justify-content: center;
font-size: 20px;
width: 20px;
height: 20px;
}
}
.label {
white-space: nowrap;
}
}
}
.menuSegment {
width: $trailing-width;
border-top-right-radius: $outer-radius;
border-bottom-right-radius: $outer-radius;
border-top-left-radius: $inner-radius;
border-bottom-left-radius: $inner-radius;
margin-left: $between-space;
padding-inline: 12px 14px;
transition:
border-top-left-radius 0.18s ease-out,
border-bottom-left-radius 0.18s ease-out,
padding-inline 0.18s ease-out;
@media (hover: hover) {
&:hover {
border-top-left-radius: $inner-radius-hovered;
border-bottom-left-radius: $inner-radius-hovered;
}
}
&:active {
border-top-left-radius: $inner-radius-hovered;
border-bottom-left-radius: $inner-radius-hovered;
}
.menuIcon {
display: inline-flex;
align-items: center;
justify-content: center;
width: 22px;
height: 22px;
font-size: 22px;
transition: transform 0.18s ease-out;
pointer-events: none;
user-select: none;
mdui-icon {
width: inherit;
height: inherit;
font-size: inherit;
}
}
}
&[data-open="true"] .menuSegment {
$size: calc($trailing-width / 2);
border-radius: $size;
padding-inline: 13px 13px;
.menuIcon {
transform: rotate(-180deg);
}
}
&.variantFilled {
.primarySegment, .menuSegment {
background-color: $color-dark-primary;
color: $color-dark-on-primary;
border: none;
}
}
&.variantTonal {
.primarySegment, .menuSegment {
background-color: $color-dark-primary-container;
color: $color-dark-on-primary-container;
border: none;
}
}
&.variantOutlined {
.primarySegment, .menuSegment {
border: 1px solid rgba($color-dark-outline, 0.8);
border: none;
background-color: transparent;
color: $color-dark-on-surface;
}
}
&.variantElevated {
.primarySegment, .menuSegment {
box-shadow:
0 1px 3px rgba(0, 0, 0, 0.3),
0 1px 2px rgba(0, 0, 0, 0.15);
background-color: $color-dark-surface-container-low;
color: $color-dark-on-surface;
}
}
}
$menu-padding: 8px;
.menu {
padding: $menu-padding;
min-width: 220px;
border-radius: 16px;
background-color: rgba($color-dark-surface-container-high, 0.4);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
z-index: 100000000;
// Custom slim semi-transparent scrollbar
&::-webkit-scrollbar {
width: 4px;
}
&::-webkit-scrollbar-track {
background: transparent;
}
&::-webkit-scrollbar-thumb {
background: rgba($color-dark-on-surface, 0.25);
border-radius: 2px;
}
&::-webkit-scrollbar-thumb:hover {
background: rgba($color-dark-on-surface, 0.4);
}
scrollbar-width: thin;
scrollbar-color: rgba($color-dark-on-surface, 0.25) transparent;
}