diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6290cd1..43a04d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ First release.
 > This section will be removed after the beta phase. <br>
 > Note that semantic versioning rules are not strictly followed during this phase.
 
+- feature/next-match: Filter: Add support for prev/next-match
+- feature/next-match: Filter: New mode 'mark' (like 'dim' but does not gray out)
+
 - v0.12.1: Fix flat source format for positional args.
 
 - v0.12.0: Add `deep`, `resetLazy`, and `collapseOthers` options to
diff --git a/src/common.ts b/src/common.ts
index 8bbc34b..4b5349f 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -4,7 +4,13 @@
  * @VERSION, @DATE (https://github.com/mar10/wunderbaum)
  */
 
-import { MatcherCallback, SourceListType, SourceObjectType } from "./types";
+import {
+  ApplyCommandType,
+  MatcherCallback,
+  NavigationType,
+  SourceListType,
+  SourceObjectType,
+} from "./types";
 import * as util from "./util";
 import { WunderbaumNode } from "./wb_node";
 
@@ -140,7 +146,24 @@ export const RESERVED_TREE_SOURCE_KEYS: Set<string> = new Set([
 // ]);
 
 /** Map `KeyEvent.key` to navigation action. */
-export const KEY_TO_ACTION_DICT: { [key: string]: string } = {
+export const KEY_TO_NAVIGATION_MAP: { [key: string]: NavigationType } = {
+  ArrowDown: "down",
+  ArrowLeft: "left",
+  ArrowRight: "right",
+  ArrowUp: "up",
+  Backspace: "parent",
+  End: "lastCol",
+  Home: "firstCol",
+  "Control+End": "last",
+  "Control+Home": "first",
+  "Meta+ArrowDown": "last", // macOs
+  "Meta+ArrowUp": "first", // macOs
+  PageDown: "pageDown",
+  PageUp: "pageUp",
+};
+
+/** Map `KeyEvent.key` to navigation action. */
+export const KEY_TO_COMMAND_MAP: { [key: string]: ApplyCommandType } = {
   " ": "toggleSelect",
   "+": "expand",
   Add: "expand",
diff --git a/src/types.ts b/src/types.ts
index 8a44358..b21c10a 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -518,29 +518,43 @@ export interface WbEventInfo {
 // export type WbNodeCallbackType = (e: WbNodeEventType) => any;
 // export type WbRenderCallbackType = (e: WbRenderEventType) => void;
 
-export type FilterModeType = null | "dim" | "hide";
+export type FilterModeType = null | "mark" | "dim" | "hide";
 export type SelectModeType = "single" | "multi" | "hier";
+
+export type NavigationType =
+  | "down"
+  | "first"
+  | "firstCol"
+  | "last"
+  | "lastCol"
+  | "left"
+  | "nextMatch"
+  | "pageDown"
+  | "pageUp"
+  | "parent"
+  | "prevMatch"
+  | "right"
+  | "up";
+
 export type ApplyCommandType =
+  | NavigationType
   | "addChild"
   | "addSibling"
+  | "collapse"
+  | "collapseAll"
   | "copy"
   | "cut"
-  | "down"
-  | "first"
+  | "edit"
+  | "expand"
+  | "expandAll"
   | "indent"
-  | "last"
-  | "left"
   | "moveDown"
   | "moveUp"
   | "outdent"
-  | "pageDown"
-  | "pageUp"
-  | "parent"
   | "paste"
   | "remove"
   | "rename"
-  | "right"
-  | "up";
+  | "toggleSelect";
 
 export type NodeFilterResponse = "skip" | "branch" | boolean | void;
 export type NodeFilterCallback = (node: WunderbaumNode) => NodeFilterResponse;
@@ -607,6 +621,13 @@ export enum NavModeEnum {
   row = "row",
 }
 
+/** */
+export type TranslationsType = {
+  loading: "Loading...";
+  loadError: "Error";
+  noData: "No data";
+  queryResult: "Matched ${match} of ${count} nodes.";
+};
 /* -----------------------------------------------------------------------------
  * METHOD OPTIONS TYPES
  * ---------------------------------------------------------------------------*/
@@ -897,6 +918,19 @@ export interface VisitRowsOptions {
 /* -----------------------------------------------------------------------------
  * wb_ext_filter
  * ---------------------------------------------------------------------------*/
+
+/**
+ * Passed as tree option.filer.connect to configure automatic integration of
+ * filter UI controls.
+ */
+export interface FilterConnectType {
+  inputElem: string | HTMLInputElement | null;
+  modeButton?: string | HTMLButtonElement | HTMLAnchorElement | null;
+  nextButton?: string | HTMLButtonElement | HTMLAnchorElement | null;
+  prevButton?: string | HTMLButtonElement | HTMLAnchorElement | null;
+  matchInfoElem?: string | HTMLElement | null;
+}
+
 /**
  * Passed as tree options to configure default filtering behavior.
  *
@@ -908,7 +942,7 @@ export type FilterOptionsType = {
    * Element or selector of an input control for filter query strings
    * @default null
    */
-  connectInput?: null | string | Element;
+  connect?: null | FilterConnectType;
   /**
    * Re-apply last filter if lazy data is loaded
    * @default true
diff --git a/src/util.ts b/src/util.ts
index d4f85a0..6e01386 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -424,19 +424,6 @@ export function elemFromSelector<T = HTMLElement>(obj: string | T): T | null {
   return obj as T;
 }
 
-// /** Return a EventTarget from selector or cast an existing element. */
-// export function eventTargetFromSelector(
-//   obj: string | EventTarget
-// ): EventTarget | null {
-//   if (!obj) {
-//     return null;
-//   }
-//   if (typeof obj === "string") {
-//     return document.querySelector(obj) as EventTarget;
-//   }
-//   return obj as EventTarget;
-// }
-
 /**
  * Return a canonical descriptive string for a keyboard or mouse event.
  *
diff --git a/src/wb_ext_filter.ts b/src/wb_ext_filter.ts
index 52348f4..f00715f 100644
--- a/src/wb_ext_filter.ts
+++ b/src/wb_ext_filter.ts
@@ -13,6 +13,7 @@ import {
   onEvent,
 } from "./util";
 import {
+  FilterConnectType,
   FilterNodesOptions,
   FilterOptionsType,
   NodeFilterCallback,
@@ -29,7 +30,11 @@ const RE_START_MARKER = new RegExp(escapeRegex(START_MARKER), "g");
 const RE_END_MARTKER = new RegExp(escapeRegex(END_MARKER), "g");
 
 export class FilterExtension extends WunderbaumExtension<FilterOptionsType> {
-  public queryInput?: HTMLInputElement;
+  public queryInput: HTMLInputElement | null = null;
+  public prevButton: HTMLElement | null = null;
+  public nextButton: HTMLButtonElement | HTMLAnchorElement | null = null;
+  public modeButton: HTMLButtonElement | HTMLAnchorElement | null = null;
+  public matchInfoElem: HTMLElement | null = null;
   public lastFilterArgs: IArguments | null = null;
 
   constructor(tree: Wunderbaum) {
@@ -37,7 +42,7 @@ export class FilterExtension extends WunderbaumExtension<FilterOptionsType> {
       autoApply: true, // Re-apply last filter if lazy data is loaded
       autoExpand: false, // Expand all branches that contain matches while filtered
       matchBranch: false, // Whether to implicitly match all children of matched nodes
-      connectInput: null, // Element or selector of an input control for filter query strings
+      connect: null, // Element or selector of an input control for filter query strings
       fuzzy: false, // Match single characters in order, e.g. 'fb' will match 'FooBar'
       hideExpanders: false, // Hide expanders if all child nodes are hidden by filter
       highlight: true, // Highlight matches by wrapping inside <mark> tags
@@ -49,18 +54,45 @@ export class FilterExtension extends WunderbaumExtension<FilterOptionsType> {
 
   init() {
     super.init();
-    const connectInput = this.getPluginOption("connectInput");
-    if (connectInput) {
-      this.queryInput = elemFromSelector(connectInput) as HTMLInputElement;
-      assert(
-        this.queryInput,
-        `Invalid 'filter.connectInput' option: ${connectInput}.`
-      );
+    const tree = this.tree;
+    const connect: FilterConnectType = this.getPluginOption("connect");
+    if (connect) {
+      this.queryInput = elemFromSelector(connect.inputElem);
+      if (!this.queryInput) {
+        throw new Error(
+          `Invalid 'filter.connect' option: ${connect.inputElem}.`
+        );
+      }
+      this.prevButton = elemFromSelector(connect.prevButton!);
+      this.nextButton = elemFromSelector(connect.nextButton!);
+      this.modeButton = elemFromSelector(connect.modeButton!);
+      this.matchInfoElem = elemFromSelector(connect.matchInfoElem!);
+      if (this.prevButton) {
+        onEvent(this.prevButton, "click", () => {
+          tree.findRelatedNode(
+            tree.getActiveNode() || tree.getFirstChild()!,
+            "prevMatch"
+          );
+        });
+      }
+      if (this.nextButton) {
+        onEvent(this.nextButton, "click", () => {
+          tree.findRelatedNode(
+            tree.getActiveNode() || tree.getFirstChild()!,
+            "nextMatch"
+          );
+        });
+      }
+      if (this.modeButton) {
+        onEvent(this.modeButton, "click", () => {
+          throw new Error("Not implemented");
+        });
+      }
       onEvent(
         this.queryInput,
         "input",
         debounce((e) => {
-          // this.tree.log("query", e);
+          // tree.log("query", e);
           this.filterNodes(this.queryInput!.value.trim(), {});
         }, 700)
       );
@@ -72,7 +104,8 @@ export class FilterExtension extends WunderbaumExtension<FilterOptionsType> {
     super.setPluginOption(name, value);
     switch (name) {
       case "mode":
-        this.tree.filterMode = value === "hide" ? "hide" : "dim";
+        this.tree.filterMode =
+          value === "hide" ? "hide" : value === "mark" ? "mark" : "dim";
         this.tree.updateFilter();
         break;
     }
@@ -252,6 +285,10 @@ export class FilterExtension extends WunderbaumExtension<FilterOptionsType> {
     tree.logDebug(
       `Filter '${filter}' found ${count} nodes in ${Date.now() - start} ms.`
     );
+    const info = treeOpts.strings?.queryResult
+      .replace("${match}", "" + count) //this.countMatches())
+      .replace("${count}", "" + tree.count());
+    tree.log(info);
     return count;
   }
 
diff --git a/src/wb_node.ts b/src/wb_node.ts
index c9792aa..6d56f0f 100644
--- a/src/wb_node.ts
+++ b/src/wb_node.ts
@@ -21,6 +21,7 @@ import {
   MakeVisibleOptions,
   MatcherCallback,
   NavigateOptions,
+  NavigationType,
   NodeAnyCallback,
   NodeStatusType,
   NodeStringCallback,
@@ -46,7 +47,7 @@ import {
 import {
   decompressSourceData,
   ICON_WIDTH,
-  KEY_TO_ACTION_DICT,
+  KEY_TO_NAVIGATION_MAP,
   makeNodeTitleMatcher,
   nodeTitleSorter,
   RESERVED_TREE_SOURCE_KEYS,
@@ -656,7 +657,7 @@ export class WunderbaumNode {
    *
    * @see {@link Wunderbaum.findRelatedNode|tree.findRelatedNode()}
    */
-  findRelatedNode(where: string, includeHidden = false) {
+  findRelatedNode(where: NavigationType, includeHidden = false) {
     return this.tree.findRelatedNode(this, where, includeHidden);
   }
 
@@ -1509,12 +1510,12 @@ export class WunderbaumNode {
    *   e.g. `ArrowLeft` = 'left'.
    * @param options
    */
-  async navigate(where: string, options?: NavigateOptions) {
+  async navigate(where: NavigationType | string, options?: NavigateOptions) {
     // Allow to pass 'ArrowLeft' instead of 'left'
-    where = KEY_TO_ACTION_DICT[where] || where;
+    const navType = (KEY_TO_NAVIGATION_MAP[where] ?? where) as NavigationType;
 
     // Otherwise activate or focus the related node
-    const node = this.findRelatedNode(where);
+    const node = this.findRelatedNode(navType);
     if (!node) {
       this.logWarn(`Could not find related node '${where}'.`);
       return Promise.resolve(this);
@@ -2664,7 +2665,7 @@ export class WunderbaumNode {
           _setStatusNode({
             statusNodeType: status,
             title:
-              tree.options.strings.loading +
+              tree.options.strings!.loading +
               (message ? " (" + message + ")" : ""),
             checkbox: false,
             colspan: true,
@@ -2677,7 +2678,7 @@ export class WunderbaumNode {
         _setStatusNode({
           statusNodeType: status,
           title:
-            tree.options.strings.loadError +
+            tree.options.strings!.loadError +
             (message ? " (" + message + ")" : ""),
           checkbox: false,
           colspan: true,
@@ -2690,7 +2691,7 @@ export class WunderbaumNode {
       case "noData":
         _setStatusNode({
           statusNodeType: status,
-          title: message || tree.options.strings.noData,
+          title: message || tree.options.strings!.noData,
           checkbox: false,
           colspan: true,
           tooltip: details,
diff --git a/src/wb_options.ts b/src/wb_options.ts
index 501e802..e429a87 100644
--- a/src/wb_options.ts
+++ b/src/wb_options.ts
@@ -19,6 +19,7 @@ import {
   NavModeEnum,
   NodeTypeDefinitionMap,
   SelectModeType,
+  TranslationsType,
   WbActivateEventType,
   WbButtonClickEventType,
   WbCancelableEventResultType,
@@ -119,10 +120,11 @@ export interface WunderbaumOptions {
    *   loading: "Loading...",
    *   loadError: "Error",
    *   noData: "No data",
+   *   queryResult: "Matched ${match} of ${count} nodes.",
    * }
    * ```
    */
-  strings?: any; //[key: string] string;
+  strings?: TranslationsType;
   /**
    * 0:quiet, 1:errors, 2:warnings, 3:info, 4:verbose
    * Default: 3 (4 in local debug environment)
diff --git a/src/wunderbaum.ts b/src/wunderbaum.ts
index 27eb445..11e8ebb 100644
--- a/src/wunderbaum.ts
+++ b/src/wunderbaum.ts
@@ -34,6 +34,7 @@ import {
   FilterModeType,
   FilterNodesOptions,
   MatcherCallback,
+  NavigationType,
   NavModeEnum,
   NodeFilterCallback,
   NodeRegion,
@@ -227,6 +228,7 @@ export class Wunderbaum {
           loading: "Loading...",
           // loading: "Loading&hellip;",
           noData: "No data",
+          queryResult: "Matched ${match} of ${count} nodes.",
         },
       },
       options
@@ -972,9 +974,11 @@ export class Wunderbaum {
       case "first":
       case "last":
       case "left":
+      case "nextMatch":
       case "pageDown":
       case "pageUp":
       case "parent":
+      case "prevMatch":
       case "right":
       case "up":
         return node.navigate(cmd);
@@ -1297,7 +1301,11 @@ export class Wunderbaum {
    *   e.g. `$.ui.keyCode.LEFT` = 'left'.
    * @param includeHidden Not yet implemented
    */
-  findRelatedNode(node: WunderbaumNode, where: string, includeHidden = false) {
+  findRelatedNode(
+    node: WunderbaumNode,
+    where: NavigationType,
+    includeHidden = false
+  ) {
     const rowHeight = this.options.rowHeightPx!;
     let res = null;
     const pageSize = Math.floor(
@@ -1384,6 +1392,16 @@ export class Wunderbaum {
           }
         }
         break;
+
+      case "prevMatch":
+      // fallthrough
+      case "nextMatch":
+        if (!this.isFilterActive) {
+          this.logWarn(`${where}: Filter is not active.`);
+          break;
+        }
+        throw new Error("Not implemented");
+
       default:
         this.logWarn("Unknown relation '" + where + "'.");
     }
diff --git a/tsconfig.json b/tsconfig.json
index bded5c9..ab902ad 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -34,7 +34,7 @@
     "noUnusedLocals": true /* Report errors on unused locals. */,
     // "noUnusedParameters": true /* Report errors on unused parameters. */,
     // "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
-    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
+    // "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
     /* Module Resolution Options */
     "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
     // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
@@ -55,7 +55,7 @@
     // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
     // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
     /* Advanced Options */
-    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
+    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
   },
   "exclude": [
     "node_modules",
@@ -73,11 +73,11 @@
       "src/wb_options.ts",
       "src/common.ts",
       "src/types.ts",
-      "src/util.ts",
+      "src/util.ts"
     ],
     "out": "docs/api",
     "excludePrivate": true,
     "excludeProtected": true,
     "includeVersion": true
   }
-}
\ No newline at end of file
+}