Support link position in hover tooltip callback

src/browser/Linkifier.ts

@@ -306,7 +306,7 @@ export class Linkifier implements ILinkifier {
       e => {
         this._onLinkTooltip.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));
         if (matcher.hoverTooltipCallback) {
-          matcher.hoverTooltipCallback(e, uri, { startRow: y1, startColumn: x1, endRow: y2, endColumn: x2 });
+          matcher.hoverTooltipCallback(e, uri, { start: { row: y1, col: x1 }, end: { row: y2, col: x2 } });
         }
       },
       () => {

src/browser/Types.d.ts

@@ -43,15 +43,18 @@ export interface IViewport extends IDisposable {
   onThemeChange(colors: IColorSet): void;
 }
 
-export interface ILinkLocation {
-  startColumn: number;
-  startRow: number;
-  endColumn: number;
-  endRow: number;
+export interface IViewportRange {
+  start: IViewportCellPosition;
+  end: IViewportCellPosition;
+}
+
+export interface IViewportCellPosition {
+  col: number;
+  row: number;
 }
 
 export type LinkMatcherHandler = (event: MouseEvent, uri: string) => void;
-export type LinkMatcherHoverTooltipCallback = (event: MouseEvent, uri: string, position: ILinkLocation) => void;
+export type LinkMatcherHoverTooltipCallback = (event: MouseEvent, uri: string, position: IViewportRange) => void;
 export type LinkMatcherValidationCallback = (uri: string, callback: (isValid: boolean) => void) => void;
 
 export interface ILinkMatcher {

typings/xterm.d.ts

@@ -269,7 +269,7 @@ declare module 'xterm' {
     /**
      * A callback that fires when the mouse hovers over a link for a moment.
      */
-    tooltipCallback?: (event: MouseEvent, uri: string, location: ILinkLocation) => boolean | void;
+    tooltipCallback?: (event: MouseEvent, uri: string, location: IViewportRange) => boolean | void;
 
     /**
      * A callback that fires when the mouse leaves a link. Note that this can
@@ -843,28 +843,33 @@ declare module 'xterm' {
   }
 
   /**
-   * An object representing a link location within the terminal.
+   * An object representing a range within the viewport of the terminal.
    */
-  interface ILinkLocation {
+  interface IViewportRange {
     /**
-     * The start column of the link.
+     * The start cell of the range.
      */
-    startColumn: number;
+    start: IViewportCellPosition;
 
     /**
-     * The start row of the link.
+     * The end cell of the range.
      */
-    startRow: number;
+    end: IViewportCellPosition;
+  }
 
+  /**
+   * An object representing a cell within the viewport of the terminal.
+   */
+  interface IViewportCellPosition {
     /**
-     * The end column of the link.
+     * The column of the cell.
      */
-    endColumn: number;
+    col: number;
 
     /**
-     * The end row of the link.
+     * The row of the cell.
      */
-    endRow: number;
+    row: number;
   }
 
   /**