element-web-Github/res/css/views/elements/_Slider.pcss
Michael Telatynski d2066ba5f5
Improve accessibility of font slider (#10473)
* Clamp font size when disabling "Use custom size"

* Switch Slider to use a semantic input range element

* Iterate

* delint

* delint

* snapshot

* Iterate

* Iterate

* Fix step size

* Add focus outline to slider

* Derp
2023-04-12 10:57:31 +00:00

126 lines
3.5 KiB
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/*
Copyright 2020 The Matrix.org Foundation C.I.C.
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.
*/
.mx_Slider {
position: relative;
margin: 0;
flex-grow: 1;
input[type="range"] {
height: 2.4em;
appearance: none;
width: 100%;
background: none;
font-size: 1em; // set base multiplier for em units applied later
--active-color: $accent;
&:disabled {
cursor: not-allowed;
--active-color: $slider-background-color;
}
&:focus:not(.focus-visible) {
outline: none;
}
&::-webkit-slider-runnable-track {
width: 100%;
height: 0.4em;
background: $slider-background-color;
border-radius: 5px;
border: 0 solid #000000;
}
&::-webkit-slider-thumb {
border: 0 solid #000000;
width: $slider-selection-dot-size;
height: $slider-selection-dot-size;
background: var(--active-color);
border-radius: 50%;
-webkit-appearance: none;
margin-top: calc(2px + 1.2em - $slider-selection-dot-size);
}
&:focus::-webkit-slider-runnable-track {
background: $slider-background-color;
}
&::-moz-range-track {
width: 100%;
height: 0.4em;
background: $slider-background-color;
border-radius: 5px;
border: 0 solid #000000;
}
&::-moz-range-progress {
height: 0.4em;
background: var(--active-color);
border-radius: 5px;
border: 0 solid #000000;
}
&::-moz-range-thumb {
border: 0 solid #000000;
width: $slider-selection-dot-size;
height: $slider-selection-dot-size;
background: var(--active-color);
border-radius: 50%;
}
&::-ms-track {
width: 100%;
height: 0.4em;
background: transparent;
border-color: transparent;
color: transparent;
}
&::-ms-fill-lower,
&::-ms-fill-upper {
background: $slider-background-color;
border: 0 solid #000000;
border-radius: 10px;
}
&::-ms-thumb {
margin-top: 1px;
width: $slider-selection-dot-size;
height: $slider-selection-dot-size;
background: var(--active-color);
border-radius: 50%;
}
&:focus::-ms-fill-upper {
background: $slider-background-color;
}
&::-ms-fill-lower,
&:focus::-ms-fill-lower {
background: var(--active-color);
}
}
output {
position: absolute;
left: 50%;
transform: translateX(-50%);
font-size: 1em; // set base multiplier for em units applied later
text-align: center;
top: 3em;
.mx_Slider_selection_label {
color: $muted-fg-color;
font-size: $font-14px;
}
}
}