tracky-mouse/tracky-mouse.css

Add facial mouse accessibility to JavaScript applications

.tracky-mouse-pointer {
	z-index: 900000;
	pointer-events: none;
	border-radius: 50%;
	background-color: red;
	width: 20px;
	height: 20px;
	position: fixed;
	transform: translate(-50%, -50%);
}

.tracky-mouse-dwell-indicator {
	position: fixed;
	pointer-events: none;
	z-index: 1000000;
}

.tracky-mouse-dwell-indicator::after {
	content: "";
	display: block;
	position: absolute;
	background: red;
	left: 2px;
	top: 2px;
	right: 2px;
	bottom: 2px;
}

.tracky-mouse-dwell-indicator:not(.tracky-mouse-for-release) {
	background: yellow;
}

.tracky-mouse-dwell-indicator.tracky-mouse-for-release {
	background: white;
}

.tracky-mouse-dwell-indicator:not(.tracky-mouse-for-release),
.tracky-mouse-dwell-indicator:not(.tracky-mouse-for-release)::after {
	border-radius: 50%;
}

.tracky-mouse-dwell-indicator.tracky-mouse-for-release,
.tracky-mouse-dwell-indicator.tracky-mouse-for-release::after {
	clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
}

.tracky-mouse-hover-halo {
	pointer-events: none;
	z-index: 1000000;
	box-shadow: 0 0 10px yellow, 0 0 3px yellow;
}

.tracky-mouse-ui {
	display: flex;
	flex-direction: column;
	background-color: rgb(223, 204, 255);
	color: black;
	padding: 10px;
	border-radius: 5px;
	--max-ui-width: 600px;
	max-width: var(--max-ui-width);
	box-sizing: border-box;
	font-size: 15px;
	font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
	accent-color: rgb(191, 36, 234);
}

.tracky-mouse-canvas {
	max-width: 100%;
	object-fit: scale-down;
	background-color: rgba(15, 0, 20, 0.5);
}

.tracky-mouse-start-stop-button {
	background-color: rgb(191, 36, 234);
	color: white;
	font-size: 20px;
	border-radius: 5px;
	padding: 5px;
	margin: 5px;
	width: 120px;
	cursor: pointer;
}

.tracky-mouse-start-stop-button::after {
	content: "(" attr(aria-keyshortcuts) ")";
	opacity: 0.6;
	margin-left: 0.5em;
}

.tracky-mouse-ui .tracky-mouse-control-row:not([hidden]) {
	display: flex;
}

.tracky-mouse-ui .tracky-mouse-control-row label {
	/* Avoid accidental clicks on controls by their labels, when otherwise 100% width. */
	/* This may not be needed in the current layout. */
	width: fit-content;
}

.tracky-mouse-ui .tracky-mouse-label-text {
	display: inline-block;
	min-width: 150px;
}

.tracky-mouse-ui .tracky-mouse-labeled-slider {
	display: inline-flex;
	position: relative;
	margin-bottom: 20px;
	flex: 1;
	max-width: 400px;
}

.tracky-mouse-ui .tracky-mouse-labeled-slider input {
	flex: 1;
}

.tracky-mouse-ui .tracky-mouse-labeled-slider .tracky-mouse-min-label,
.tracky-mouse-ui .tracky-mouse-labeled-slider .tracky-mouse-max-label {
	opacity: 0.8;
	position: absolute;
	bottom: -10px;
	pointer-events: none;
}

.tracky-mouse-ui .tracky-mouse-labeled-slider .tracky-mouse-min-label {
	left: 0;
}

.tracky-mouse-ui .tracky-mouse-labeled-slider .tracky-mouse-max-label {
	right: 0;
}

.tracky-mouse-canvas-container-container {
	flex: 1;
	flex-basis: 0;
	min-width: 0;
	/* I might be able to simplify this or let it have an intrinsic height
	based on the width, for the web demo, by leaving min-height unset (auto),
	and only setting it	to 0 for the desktop app.
	Well, really the difference is whether the height of the .tracky-mouse-ui
	is fixed or not, not whether it's a web demo or desktop app.
	So I might differentiate based on a .constrained-height class or something,
	if not detect it automatically. */
	min-height: var(--tracky-mouse-camera-view-min-height, 300px);
}

.tracky-mouse-canvas-container {
	position: relative;
	/* Note: aspect-ratio is set from JS, which determines the width implicitly. */
	max-height: 100%;
	margin: auto;
}

.tracky-mouse-canvas-overlay {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.tracky-mouse-use-camera-button {
	font-size: min(2em, 8vw);
	color: white;
	background-color: rgb(220, 20, 60);
	border: 0;
	border-radius: 5px;
	padding: 10px;
	cursor: pointer;
}

.tracky-mouse-use-camera-button:hover {
	background-color: rgb(230, 20, 62);
}

.tracky-mouse-error-message {
	font-size: min(1.5em, 6vw);
	text-align: center;
	color: white;
	padding: 5px;
}

/* Screen overlay in electron app */

#tracky-mouse-screen-overlay-message {
	color: yellow;
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	text-align: center;
	padding: 0 5px;
	white-space: nowrap;
	--overlay-background-color: rgba(0, 0, 0, 0.3);
	--height: 25px;
	height: var(--height);
	line-height: var(--height);
	background-color: var(--overlay-background-color);
	text-shadow: 0 0 8px rgba(3, 2, 2, 0.5);
	font-size: calc(var(--height) * 0.8);
	font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* triangles */
#tracky-mouse-screen-overlay-message::before,
#tracky-mouse-screen-overlay-message::after {
	content: "";
	position: absolute;
	bottom: 0;
	width: 0px;
	height: 0px;
	border-style: solid;
}

#tracky-mouse-screen-overlay-message::before {
	border-width: 0 0 var(--height) var(--height);
	border-color: transparent transparent var(--overlay-background-color) transparent;
	left: calc(var(--height) * -1);
}

#tracky-mouse-screen-overlay-message::after {
	border-width: var(--height) 0 0 var(--height);
	border-color: transparent transparent transparent var(--overlay-background-color);
	right: calc(var(--height) * -1);
}

@keyframes tracky-mouse-screen-overlay-message-fade-out {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}

.tracky-mouse-absolute-center {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
}

/* prefer manual takeback indicator, rather than showing both at once */
body.tracky-mouse-manual-takeback .tracky-mouse-head-not-found-indicator,
body:not(.tracky-mouse-head-not-found) .tracky-mouse-head-not-found-indicator {
	display: none;
}

body:not(.tracky-mouse-manual-takeback) .tracky-mouse-manual-takeback-indicator {
	display: none;
}

.tracky-mouse-manual-takeback .tracky-mouse-no-takeback-indicator {
	display: none;
}

.tracky-mouse-screen-overlay-status-indicator img {
	filter: drop-shadow(0 0 4px #000) drop-shadow(2px 2px 2px #000);
	opacity: 0.5;
}

.tracky-mouse-ui a:link,
.tracky-mouse-ui a:visited {
	color: rgb(135 0 191);
}