Merge pull request #8480 from IgniteUI/alt-l-under-mac-10.2.x

fix(grid): add alt+l symbol under mac

Author: zdrawku

projects/igniteui-angular/src/lib/core/utils.ts

@@ -329,7 +329,9 @@ export const NAVIGATION_KEYS = new Set([
 export const ROW_EXPAND_KEYS = new Set('right down arrowright arrowdown'.split(' '));
 export const ROW_COLLAPSE_KEYS = new Set('left up arrowleft arrowup'.split(' '));
 export const SUPPORTED_KEYS = new Set([...Array.from(NAVIGATION_KEYS), 'enter', 'f2', 'escape', 'esc', 'pagedown', 'pageup', '+', 'add']);
-export const HEADER_KEYS = new Set([...Array.from(NAVIGATION_KEYS), 'escape', 'esc' , 'l']);
+export const HEADER_KEYS = new Set([...Array.from(NAVIGATION_KEYS), 'escape', 'esc' , 'l',
+    /** This symbol corresponds to the Alt + L combination under MAC. */
+    '¬']);
 
 /**
  * @hidden

projects/igniteui-angular/src/lib/grids/grid-navigation.service.ts

@@ -542,7 +542,7 @@ export class IgxGridNavigationService {
         if ([' ', 'spacebar', 'space'].indexOf(key) !== -1) {
             this.handleColumnSelection(column, event);
         }
-        if (alt && key === 'l' && this.grid.allowAdvancedFiltering) {
+        if (alt && (key === 'l' || key === '¬') && this.grid.allowAdvancedFiltering) {
             this.grid.openAdvancedFilteringDialog();
         }
         if (ctrl && shift && key === 'l' && this.grid.allowFiltering && !column.columnGroup && column.filterable) {