Rebounce navigation events

svelte/src/layout/Dialog.svelte

@@ -4,7 +4,7 @@ let { children }: {
 } = $props();
 let dialog: HTMLDialogElement = $state()
 
-export const open = (button_rect: DOMRect) => {
+export const open = (origin: DOMRect|MouseEvent) => {
 	// Show the window so we can get the location
 	dialog.showModal()
 
@@ -15,10 +15,18 @@ export const open = (button_rect: DOMRect) => {
 	const max_left = window.innerWidth - dialog_rect.width - edge_offset
 	const max_top = window.innerHeight - dialog_rect.height - edge_offset
 
-	// Position the dialog in horizontally in the center of the button and
-	// verticially below it
-	const min_left = Math.max((button_rect.left + (button_rect.width/2)) - (dialog_rect.width/2), edge_offset)
-	const min_top = Math.max(button_rect.bottom, edge_offset)
+	let min_left: number, min_top: number
+	if (origin instanceof DOMRect) {
+		// Position the dialog in horizontally in the center of the button and
+		// verticially below it
+		min_left = Math.max((origin.left + (origin.width/2)) - (dialog_rect.width/2), edge_offset)
+		min_top = Math.max(origin.bottom, edge_offset)
+	} else if (origin instanceof MouseEvent) {
+		// Place the dialog at the bottom right of the mouse pointer, like
+		// regular context menus
+		min_left = Math.max(origin.clientX, edge_offset)
+		min_top = Math.max(origin.clientY, edge_offset)
+	}
 
 	// Place the window
 	dialog.style.left = Math.round(Math.min(min_left, max_left)) + "px"
@@ -35,6 +43,7 @@ export const close = () => {
 // the dialog itself then the click was on the dialog background
 const click = (e: MouseEvent) => {
 	if (e.target === dialog) {
+		e.preventDefault()
 		dialog.close()
 	}
 }
@@ -42,7 +51,7 @@ const click = (e: MouseEvent) => {
 
 <!-- svelte-ignore a11y_click_events_have_key_events -->
 <!-- svelte-ignore a11y_no_noninteractive_element_interactions -->
-<dialog bind:this={dialog} onclick={click}>
+<dialog bind:this={dialog} onclick={click} oncontextmenu={click}>
 	{@render children?.()}
 </dialog>