web/modal: add boxing to modal utility

web/src/ui/modal/Lightbox.css

@@ -8,6 +8,21 @@ div.overlay {
 	&.dimmed {
 		background-color: var(--dimmed-overlay-background-color);
 	}
+
+	&.modal > div.modal-box {
+		background-color: var(--background-color);
+		border-radius: 1rem;
+		padding: 1rem;
+
+		max-width: min(80rem, 80vw);
+		max-height: min(80rem, 80vh);
+		overflow: hidden;
+		display: flex;
+
+		> div.modal-box-inner {
+			overflow: scroll;
+		}
+	}
 }
 
 div.lightbox {

web/src/ui/modal/Modal.tsx

@@ -18,7 +18,9 @@ import React, { JSX, createContext, useCallback, useLayoutEffect, useReducer, us
 export interface ModalState {
 	content: JSX.Element
 	dimmed?: boolean
-	wrapperClass?: string
+	boxed?: boolean
+	boxClass?: string
+	innerBoxClass?: string
 	onClose?: () => void
 }
 
@@ -52,18 +54,28 @@ export const ModalWrapper = ({ children }: { children: React.ReactNode }) => {
 			wrapperRef.current.focus()
 		}
 	}, [state])
-	return <ModalContext value={setState}>
-		{children}
-		{state && <div
-			className={`overlay ${state.wrapperClass ?? "modal"} ${state.dimmed ? "dimmed" : ""}`}
+	let modal: JSX.Element | null = null
+	if (state) {
+		let content = <ModalCloseContext value={onClickWrapper}>{state.content}</ModalCloseContext>
+		if (state.boxed) {
+			content = <div className={`modal-box ${state.boxClass ?? ""}`}>
+				<div className={`modal-box-inner ${state.innerBoxClass ?? ""}`}>
+					{content}
+				</div>
+			</div>
+		}
+		modal = <div
+			className={`overlay modal ${state.dimmed ? "dimmed" : ""}`}
 			onClick={onClickWrapper}
 			onKeyDown={onKeyWrapper}
 			tabIndex={-1}
 			ref={wrapperRef}
 		>
-			<ModalCloseContext value={onClickWrapper}>
-				{state.content}
-			</ModalCloseContext>
-		</div>}
+			{content}
+		</div>
+	}
+	return <ModalContext value={setState}>
+		{children}
+		{modal}
 	</ModalContext>
 }

web/src/ui/timeline/menu/ConfirmWithMessageModal.tsx

@@ -40,7 +40,7 @@ const ConfirmWithMessageModal = ({
 	const onChangeReason = useCallback((evt: React.ChangeEvent<HTMLInputElement>) => {
 		setReason(evt.target.value)
 	}, [])
-	return <div className="confirm-message-modal">
+	return <>
 		<h3>{title}</h3>
 		<div className="timeline-event-container">
 			<TimelineEvent evt={evt} prevEvt={null} disableMenu={true} />
@@ -53,7 +53,7 @@ const ConfirmWithMessageModal = ({
 			<button onClick={closeModal}>Cancel</button>
 			<button onClick={onConfirmWrapped}>{confirmButton}</button>
 		</div>
-	</div>
+	</>
 }
 
 export default ConfirmWithMessageModal

web/src/ui/timeline/menu/EventExtraMenu.tsx

@@ -19,8 +19,8 @@ import { MemDBEvent, PowerLevelEventContent } from "@/api/types"
 import ClientContext from "../../ClientContext.ts"
 import { ModalCloseContext, ModalContext } from "../../modal/Modal.tsx"
 import { RoomContext, RoomContextData } from "../../roomview/roomcontext.ts"
+import JSONView from "../../util/JSONView.tsx"
 import ConfirmWithMessageModal from "./ConfirmWithMessageModal.tsx"
-import ViewSourceModal from "./ViewSourceModal.tsx"
 import ViewSourceIcon from "@/icons/code.svg?react"
 import DeleteIcon from "@/icons/delete.svg?react"
 import PinIcon from "@/icons/pin.svg?react"
@@ -39,11 +39,17 @@ const EventExtraMenu = ({ evt, room, style }: EventExtraMenuProps) => {
 	const closeModal = use(ModalCloseContext)
 	const openModal = use(ModalContext)
 	const onClickViewSource = useCallback(() => {
-		openModal({ dimmed: true, content: <ViewSourceModal evt={evt}/> })
+		openModal({
+			dimmed: true,
+			boxed: true,
+			content: <JSONView data={evt} />,
+		})
 	}, [evt, openModal])
 	const onClickReport = useCallback(() => {
 		openModal({
 			dimmed: true,
+			boxed: true,
+			innerBoxClass: "confirm-message-modal",
 			content: <RoomContext value={new RoomContextData(room)}>
 				<ConfirmWithMessageModal
 					evt={evt}
@@ -62,6 +68,8 @@ const EventExtraMenu = ({ evt, room, style }: EventExtraMenuProps) => {
 	const onClickRedact = useCallback(() => {
 		openModal({
 			dimmed: true,
+			boxed: true,
+			innerBoxClass: "confirm-message-modal",
 			content: <RoomContext value={new RoomContextData(room)}>
 				<ConfirmWithMessageModal
 					evt={evt}

web/src/ui/timeline/menu/ViewSourceModal.tsx

@@ -1,29 +0,0 @@
-// gomuks - A Matrix client written in Go.
-// Copyright (C) 2024 Tulir Asokan
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-import { MemDBEvent } from "@/api/types"
-import JSONView from "../../util/JSONView.tsx"
-
-interface ViewSourceModalProps {
-	evt: MemDBEvent
-}
-
-const ViewSourceModal = ({ evt }: ViewSourceModalProps) => {
-	return <div className="view-source-modal">
-		<JSONView data={evt} />
-	</div>
-}
-
-export default ViewSourceModal

web/src/ui/timeline/menu/index.css

@@ -45,21 +45,9 @@ div.event-context-menu-extra {
 	}
 }
 
-div.view-source-modal {
-	max-width: min(80rem, 80vw);
-	max-height: min(80rem, 80vh);
-	overflow: auto;
-	background-color: var(--background-color);
-	border-radius: 1rem;
-	padding: 1rem;
-}
-
 div.confirm-message-modal {
 	width: min(40rem, 80vw);
 	max-height: min(40rem, 80vh);
-	background-color: var(--background-color);
-	border-radius: 1rem;
-	padding: 1rem;
 	display: flex;
 	flex-direction: column;
 	gap: .5rem;