Add dummy cursor

frontend/obsidian-plugin/src/views/remote-cursors/remote-cursor-theme.ts

@@ -0,0 +1,67 @@
+import { AnnotationType, Annotation, RangeSet, Range } from "@codemirror/state";
+import {
+	EditorView,
+	ViewUpdate,
+	ViewPlugin,
+	Decoration,
+	WidgetType
+} from "@codemirror/view";
+
+import type { PluginValue, DecorationSet } from "@codemirror/view";
+
+export const remoteCursorsTheme = EditorView.baseTheme({
+	".Selection": {},
+	".LineSelection": {
+		padding: 0,
+		margin: "0px 2px 0px 4px"
+	},
+	".SelectionCaret": {
+		position: "relative",
+		borderLeft: "1px solid black",
+		borderRight: "1px solid black",
+		marginLeft: "-1px",
+		marginRight: "-1px",
+		boxSizing: "border-box",
+		display: "inline"
+	},
+	".SelectionCaretDot": {
+		borderRadius: "50%",
+		position: "absolute",
+		width: ".4em",
+		height: ".4em",
+		top: "-.2em",
+		left: "-.2em",
+		backgroundColor: "inherit",
+		transition: "transform .3s ease-in-out",
+		boxSizing: "border-box"
+	},
+	".SelectionCaret:hover > .SelectionCaretDot": {
+		transformOrigin: "bottom center",
+		transform: "scale(0)"
+	},
+	".SelectionInfo": {
+		position: "absolute",
+		top: "-1.05em",
+		left: "-1px",
+		fontSize: ".75em",
+		fontFamily: "serif",
+		fontStyle: "normal",
+		fontWeight: "normal",
+		lineHeight: "normal",
+		userSelect: "none",
+		color: "white",
+		paddingLeft: "2px",
+		paddingRight: "2px",
+		zIndex: 101,
+		transition: "opacity .3s ease-in-out",
+		backgroundColor: "inherit",
+		// these should be separate
+		opacity: 0,
+		transitionDelay: "0s",
+		whiteSpace: "nowrap"
+	},
+	".SelectionCaret:hover > .SelectionInfo": {
+		opacity: 1,
+		transitionDelay: "0s"
+	}
+});