Joe Allen
6ced5c8444
- UseContextMenu composable: global right-click prevention - PROD: prevent default browser context menu everywhere - DEV: allow native context menu for debugging - ContextMenu component: reusable custom right-click menu - TopicTree: right-click nodes for copy topic / subscribe / unsubscribe / filter - Copy topic to clipboard - Subscribe with QoS 0/1/2 - Unsubscribe with confirmation - Filter by topic
41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
import { onMounted, onUnmounted } from 'vue'
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const contextMenuHandlers = new Set<(e: MouseEvent) => void>()
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/**
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* Register a custom right-click handler.
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* The handler should call `e.preventDefault()` if it handles the event.
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*/
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export function registerContextMenu(handler: (e: MouseEvent) => void) {
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contextMenuHandlers.add(handler)
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}
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export function unregisterContextMenu(handler: (e: MouseEvent) => void) {
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contextMenuHandlers.delete(handler)
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}
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/**
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* Global context menu controller.
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* In production: prevents default browser context menu everywhere.
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* In debug (dev mode): allows native context menu.
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* Custom handlers registered via registerContextMenu take priority.
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*/
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export function useContextMenuController() {
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function onContextMenu(e: MouseEvent) {
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for (const handler of contextMenuHandlers) {
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handler(e)
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if (e.defaultPrevented) return
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}
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if (import.meta.env.PROD) {
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e.preventDefault()
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}
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}
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onMounted(() => {
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document.addEventListener('contextmenu', onContextMenu)
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})
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onUnmounted(() => {
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document.removeEventListener('contextmenu', onContextMenu)
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})
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} |