From 6982201be8cd8e81125b0f8e3ba9503a5d7e833d Mon Sep 17 00:00:00 2001
From: ew <erik.weber@equada.de>
Date: Fri, 28 Aug 2020 13:07:00 +0000
Subject: [PATCH] Add hover and leave callbacks for linkprovider

Fixes #3056.
---
 .../src/WebLinkProvider.ts                    | 21 ++++++++++++++++---
 .../src/WebLinksAddon.ts                      |  2 +-
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/addons/xterm-addon-web-links/src/WebLinkProvider.ts b/addons/xterm-addon-web-links/src/WebLinkProvider.ts
index af6ad7d367..4db82a5c50 100644
--- a/addons/xterm-addon-web-links/src/WebLinkProvider.ts
+++ b/addons/xterm-addon-web-links/src/WebLinkProvider.ts
@@ -3,20 +3,35 @@
  * @license MIT
  */
 
-import { ILinkProvider, IBufferCellPosition, ILink, Terminal } from 'xterm';
+import { ILinkProvider, IBufferCellPosition, ILink, Terminal, ILinkMatcherOptions, IViewportRange } from 'xterm';
 
 export class WebLinkProvider implements ILinkProvider {
 
   constructor(
     private readonly _terminal: Terminal,
     private readonly _regex: RegExp,
-    private readonly _handler: (event: MouseEvent, uri: string) => void
+    private readonly _handler: (event: MouseEvent, uri: string) => void,
+    private readonly _options: ILinkMatcherOptions
   ) {
 
   }
 
   public provideLinks(y: number, callback: (links: ILink[] | undefined) => void): void {
-    callback(LinkComputer.computeLink(y, this._regex, this._terminal, this._handler));
+    const links = LinkComputer.computeLink(y, this._regex, this._terminal, this._handler);
+    callback(this._addCallBacks(links, this._options.tooltipCallback, this._options.leaveCallback));
+  }
+
+  private _addCallBacks(links: ILink[], hover?: (event: MouseEvent, uri: string, location: IViewportRange) => void, leave?: (event: MouseEvent, uri: string) => void): ILink[] {
+    return links.map((link): ILink => {
+      let hoverCallback = (event: MouseEvent, uri: string): void => { };
+      if (hover) {
+        hoverCallback = (event, uri): void => {
+          const { range } = link;
+          hover(event, uri, range);
+        };
+      }
+      return { ...link, leave, hover: hoverCallback };
+    });
   }
 }
 
diff --git a/addons/xterm-addon-web-links/src/WebLinksAddon.ts b/addons/xterm-addon-web-links/src/WebLinksAddon.ts
index dce405a54e..375f00b3b9 100644
--- a/addons/xterm-addon-web-links/src/WebLinksAddon.ts
+++ b/addons/xterm-addon-web-links/src/WebLinksAddon.ts
@@ -53,7 +53,7 @@ export class WebLinksAddon implements ITerminalAddon {
     this._terminal = terminal;
 
     if (this._useLinkProvider && 'registerLinkProvider' in this._terminal) {
-      this._linkProvider = this._terminal.registerLinkProvider(new WebLinkProvider(this._terminal, strictUrlRegex, this._handler));
+      this._linkProvider = this._terminal.registerLinkProvider(new WebLinkProvider(this._terminal, strictUrlRegex, this._handler, this._options));
     } else {
       // TODO: This should be removed eventually
       this._linkMatcherId = (this._terminal as Terminal).registerLinkMatcher(strictUrlRegex, this._handler, this._options);