Revert "Revert "Composer: Add Emoji Picker (#1061)""

This reverts commit b1a2e27576b3bbcc5d319a506540042462e8b105.

package-lock.json

@@ -7660,8 +7660,8 @@
       "dev": true
     },
     "emoji-data-ios": {
-      "version": "github:korenskoy/emoji-data-ios#10073b1244de618a3e587ae1d91b5e46ec01fd06",
-      "from": "github:korenskoy/emoji-data-ios#10073b1"
+      "version": "github:korenskoy/emoji-data-ios#e2c6557d2d36612a882d9b81b2467f441f1f4179",
+      "from": "github:korenskoy/emoji-data-ios#e2c6557"
     },
     "emojis-list": {
       "version": "2.1.0",

package.json

@@ -101,7 +101,7 @@
     "async-mutex": "^0.1.4",
     "big-integer": "painor/BigInteger.js",
     "croppie": "^2.6.4",
-    "emoji-data-ios": "github:korenskoy/emoji-data-ios#10073b1",
+    "emoji-data-ios": "github:korenskoy/emoji-data-ios#e2c6557",
     "events": "^3.0.0",
     "idb-keyval": "^5.0.5",
     "opus-recorder": "^6.2.0",

src/@types/global.d.ts

@@ -38,7 +38,7 @@ type EmojiCategory = {
 
 type Emoji = {
   id: string;
-  colons: string;
+  names: string[];
   native: string;
   image: string;
   skin?: number;

src/bundles/extra.ts

@@ -27,12 +27,13 @@ export { default as AttachmentModal } from '../components/middle/composer/Attach
 export { default as PollModal } from '../components/middle/composer/PollModal';
 export { default as SymbolMenu } from '../components/middle/composer/SymbolMenu';
 export { default as AttachMenu } from '../components/middle/composer/AttachMenu';
-export { default as MentionMenu } from '../components/middle/composer/MentionMenu';
-export { default as EmojiTooltip } from '../components/middle/composer/EmojiTooltip';
+export { default as MentionTooltip } from '../components/middle/composer/MentionTooltip';
+export { default as StickerTooltip } from '../components/middle/composer/StickerTooltip';
 export { default as BotKeyboardMenu } from '../components/middle/composer/BotKeyboardMenu';
 export { default as CustomSendMenu } from '../components/middle/composer/CustomSendMenu';
 export { default as DropArea } from '../components/middle/composer/DropArea';
 export { default as TextFormatter } from '../components/middle/composer/TextFormatter';
+export { default as EmojiTooltip } from '../components/middle/composer/EmojiTooltip';
 
 export { default as RightSearch } from '../components/right/RightSearch';
 export { default as StickerSearch } from '../components/right/StickerSearch';

src/components/middle/composer/AttachmentModal.scss

@@ -69,7 +69,7 @@
       background: var(--color-background);
     }
 
-    .MentionMenu {
+    .MentionTooltip {
       right: 0 !important;
       z-index: 0;
     }

src/components/middle/composer/AttachmentModal.tsx

@@ -8,14 +8,14 @@ import { EDITABLE_INPUT_MODAL_ID } from '../../../config';
 import { getFileExtension } from '../../common/helpers/documentInfo';
 import captureEscKeyListener from '../../../util/captureEscKeyListener';
 import usePrevious from '../../../hooks/usePrevious';
-import useMentionMenu from './hooks/useMentionMenu';
+import useMentionTooltip from './hooks/useMentionTooltip';
 import useLang from '../../../hooks/useLang';
 
 import Button from '../../ui/Button';
 import Modal from '../../ui/Modal';
 import File from '../../common/File';
 import MessageInput from './MessageInput';
-import MentionMenu from './MentionMenu';
+import MentionTooltip from './MentionTooltip';
 
 import './AttachmentModal.scss';
 
@@ -47,10 +47,10 @@ const AttachmentModal: FC<OwnProps> = ({
   const isOpen = Boolean(attachments.length);
 
   const {
-    isMentionMenuOpen, mentionFilter,
-    closeMentionMenu, insertMention,
+    isMentionTooltipOpen, mentionFilter,
+    closeMentionTooltip, insertMention,
     mentionFilteredMembers,
-  } = useMentionMenu(
+  } = useMentionTooltip(
     canSuggestMembers && isOpen,
     caption,
     onCaptionUpdate,
@@ -136,9 +136,9 @@ const AttachmentModal: FC<OwnProps> = ({
       )}
 
       <div className="attachment-caption-wrapper">
-        <MentionMenu
-          isOpen={isMentionMenuOpen}
-          onClose={closeMentionMenu}
+        <MentionTooltip
+          isOpen={isMentionTooltipOpen}
+          onClose={closeMentionTooltip}
           filter={mentionFilter}
           onInsertUserName={insertMention}
           filteredChatMembers={mentionFilteredMembers}

src/components/middle/composer/Composer.scss

@@ -368,3 +368,37 @@
     left: 1rem;
   }
 }
+
+.composer-tooltip {
+  position: absolute;
+  bottom: calc(100% + .5rem);
+  left: 0;
+  width: 100%;
+  background: var(--color-background);
+  border-radius: var(--border-radius-messages);
+  padding: 0.5rem 0;
+  max-height: 15rem;
+  overflow-x: hidden;
+  overflow-y: auto;
+  overflow-y: overlay;
+
+  box-shadow: 0 1px 2px var(--color-default-shadow);
+
+  opacity: 0;
+  transform: translateY(1.5rem);
+  transform-origin: bottom;
+  transition: opacity var(--layer-transition), transform var(--layer-transition);
+
+  &:not(.shown) {
+    display: none;
+  }
+
+  &.open {
+    opacity: 1;
+    transform: translateY(0);
+  }
+
+  .Loading {
+    margin: 1rem 0;
+  }
+}

src/components/middle/composer/Composer.tsx

@@ -55,8 +55,9 @@ import useClipboardPaste from './hooks/useClipboardPaste';
 import useDraft from './hooks/useDraft';
 import useEditing from './hooks/useEditing';
 import usePrevious from '../../../hooks/usePrevious';
+import useStickerTooltip from './hooks/useStickerTooltip';
 import useEmojiTooltip from './hooks/useEmojiTooltip';
-import useMentionMenu from './hooks/useMentionMenu';
+import useMentionTooltip from './hooks/useMentionTooltip';
 import useContextMenuHandlers from '../../../hooks/useContextMenuHandlers';
 import useLang from '../../../hooks/useLang';
 
@@ -66,8 +67,9 @@ import ResponsiveHoverButton from '../../ui/ResponsiveHoverButton';
 import Spinner from '../../ui/Spinner';
 import AttachMenu from './AttachMenu.async';
 import SymbolMenu from './SymbolMenu.async';
-import MentionMenu from './MentionMenu.async';
+import MentionTooltip from './MentionTooltip.async';
 import CustomSendMenu from './CustomSendMenu.async';
+import StickerTooltip from './StickerTooltip.async';
 import EmojiTooltip from './EmojiTooltip.async';
 import BotKeyboardMenu from './BotKeyboardMenu.async';
 import MessageInput from './MessageInput';
@@ -112,6 +114,7 @@ type StateProps = {
   groupChatMembers?: ApiChatMember[];
   currentUserId?: number;
   usersById?: Record<number, ApiUser>;
+  recentEmojis: string[];
   lastSyncTime?: number;
   contentToBeScheduled?: GlobalState['messages']['contentToBeScheduled'];
   shouldSuggestStickers?: boolean;
@@ -171,6 +174,7 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
   lastSyncTime,
   contentToBeScheduled,
   shouldSuggestStickers,
+  recentEmojis,
   sendMessage,
   editMessage,
   saveDraft,
@@ -255,10 +259,10 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
   const canShowCustomSendMenu = !shouldSchedule;
 
   const {
-    isMentionMenuOpen, mentionFilter,
-    closeMentionMenu, insertMention,
+    isMentionTooltipOpen, mentionFilter,
+    closeMentionTooltip, insertMention,
     mentionFilteredMembers,
-  } = useMentionMenu(
+  } = useMentionTooltip(
     canSuggestMembers && !attachments.length,
     html,
     setHtml,
@@ -282,11 +286,20 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
   const isAdmin = chat && isChatAdmin(chat);
   const slowMode = getChatSlowModeOptions(chat);
 
-  const { isEmojiTooltipOpen, closeEmojiTooltip } = useEmojiTooltip(
+  const { isStickerTooltipOpen, closeStickerTooltip } = useStickerTooltip(
     Boolean(shouldSuggestStickers && allowedAttachmentOptions.canSendStickers && !attachments.length),
     html,
     stickersForEmoji,
   );
+  const {
+    isEmojiTooltipOpen, closeEmojiTooltip, filteredEmojis, insertEmoji,
+  } = useEmojiTooltip(
+    Boolean(shouldSuggestStickers && allowedAttachmentOptions.canSendStickers && !attachments.length),
+    html,
+    recentEmojis,
+    undefined,
+    setHtml,
+  );
 
   const insertTextAndUpdateCursor = useCallback((text: string) => {
     const selection = window.getSelection()!;
@@ -338,10 +351,11 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
   const resetComposer = useCallback(() => {
     setHtml('');
     setAttachments([]);
-    closeEmojiTooltip();
+    closeStickerTooltip();
     closeCalendar();
     setScheduledMessageArgs(undefined);
-    closeMentionMenu();
+    closeMentionTooltip();
+    closeEmojiTooltip();
 
     if (IS_MOBILE_SCREEN) {
       // @perf
@@ -349,7 +363,7 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
     } else {
       closeSymbolMenu();
     }
-  }, [closeEmojiTooltip, closeCalendar, closeMentionMenu, closeSymbolMenu]);
+  }, [closeStickerTooltip, closeCalendar, closeMentionTooltip, closeEmojiTooltip, closeSymbolMenu]);
 
   // Handle chat change
   const prevChatId = usePrevious(chatId);
@@ -690,10 +704,10 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
           message={renderedEditedMessage}
         />
       )}
-      <MentionMenu
-        isOpen={isMentionMenuOpen}
+      <MentionTooltip
+        isOpen={isMentionTooltipOpen}
         filter={mentionFilter}
-        onClose={closeMentionMenu}
+        onClose={closeMentionTooltip}
         onInsertUserName={insertMention}
         filteredChatMembers={mentionFilteredMembers}
         usersById={usersById}
@@ -740,6 +754,7 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
             }
             shouldSetFocus={isSymbolMenuOpen}
             shouldSupressFocus={IS_MOBILE_SCREEN && isSymbolMenuOpen}
+            shouldSupressTextFormatter={isEmojiTooltipOpen || isMentionTooltipOpen}
             onUpdate={setHtml}
             onSend={mainButtonState === MainButtonState.Edit
               ? handleEditComplete
@@ -787,9 +802,15 @@ const Composer: FC<OwnProps & StateProps & DispatchProps> = ({
               {formatVoiceRecordDuration(currentRecordTime - startRecordTimeRef.current!)}
             </span>
           )}
+          <StickerTooltip
+            isOpen={isStickerTooltipOpen}
+            onStickerSelect={handleStickerSelect}
+          />
           <EmojiTooltip
             isOpen={isEmojiTooltipOpen}
-            onStickerSelect={handleStickerSelect}
+            emojis={filteredEmojis}
+            onClose={closeEmojiTooltip}
+            onEmojiSelect={insertEmoji}
           />
           <AttachMenu
             isOpen={isAttachMenuOpen}
@@ -911,6 +932,7 @@ export default memo(withGlobal<OwnProps>(
       isPaymentModalOpen: global.payment.isPaymentModalOpen,
       isReceiptModalOpen: Boolean(global.payment.receipt),
       shouldSuggestStickers: global.settings.byKey.shouldSuggestStickers,
+      recentEmojis: global.recentEmojis,
     };
   },
   (setGlobal, actions): DispatchProps => pick(actions, [

src/components/middle/composer/EmojiButton.scss

@@ -16,6 +16,7 @@
     line-height: inherit;
   }
 
+  &.focus,
   &:hover {
     background-color: rgba(var(--color-text-secondary-rgb), 0.08);
   }

src/components/middle/composer/EmojiButton.tsx

@@ -6,19 +6,20 @@ import './EmojiButton.scss';
 
 type OwnProps = {
   emoji: Emoji;
+  focus?: boolean;
   onClick: (emoji: string, name: string) => void;
 };
 
-const EmojiButton: FC<OwnProps> = ({ emoji, onClick }) => {
+const EmojiButton: FC<OwnProps> = ({ emoji, focus, onClick }) => {
   const handleClick = useCallback(() => {
     onClick(emoji.native, emoji.id);
   }, [emoji, onClick]);
 
   return (
     <div
-      className="EmojiButton"
+      className={`EmojiButton ${focus ? 'focus' : ''}`}
       onClick={handleClick}
-      title={emoji.colons}
+      title={`:${emoji.names[0]}:`}
     >
       {IS_EMOJI_SUPPORTED ? emoji.native : <img src={`/img-apple-64/${emoji.image}.png`} alt="" loading="lazy" />}
     </div>

src/components/middle/composer/EmojiTooltip.scss

@@ -1,37 +1,11 @@
 .EmojiTooltip {
-  position: absolute;
-  bottom: calc(100% + .5rem);
-  left: 0;
-  width: 100%;
-  background: var(--color-background);
-  border-radius: var(--border-radius-messages);
-  padding: 0.5rem 0;
-  max-height: 15rem;
-  overflow-x: hidden;
-  overflow-y: auto;
+  display: flex;
+  padding-left: .25rem;
+  overflow-x: auto;
+  overflow-x: overlay;
+  overflow-y: hidden;
 
-  display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(5rem, 1fr));
-  grid-auto-rows: auto;
-  place-items: center;
-
-  box-shadow: 0 1px 2px var(--color-default-shadow);
-
-  opacity: 0;
-  transform: translateY(1.5rem);
-  transform-origin: bottom;
-  transition: opacity var(--layer-transition), transform var(--layer-transition);
-
-  &:not(.shown) {
-    display: none;
-  }
-
-  &.open {
-    opacity: 1;
-    transform: translateY(0);
-  }
-
-  .Loading {
-    margin: 1rem 0;
+  .EmojiButton {
+    flex: 0 0 2.5rem
   }
 }

src/components/middle/composer/EmojiTooltip.tsx

@@ -1,55 +1,110 @@
 import React, {
-  FC, memo, useEffect, useRef,
+  FC, memo, useCallback, useEffect, useRef, useState,
 } from '../../../lib/teact/teact';
-import { withGlobal } from '../../../lib/teact/teactn';
 
-import { ApiSticker } from '../../../api/types';
-import { GlobalActions } from '../../../global/types';
-
-import { STICKER_SIZE_PICKER } from '../../../config';
 import { IS_TOUCH_ENV } from '../../../util/environment';
 import buildClassName from '../../../util/buildClassName';
-import captureEscKeyListener from '../../../util/captureEscKeyListener';
-import { pick } from '../../../util/iteratees';
-import { useIntersectionObserver } from '../../../hooks/useIntersectionObserver';
+import cycleRestrict from '../../../util/cycleRestrict';
+import captureKeyboardListeners from '../../../util/captureKeyboardListeners';
+import findInViewport from '../../../util/findInViewport';
+import isFullyVisible from '../../../util/isFullyVisible';
+import fastSmoothScrollHorizontal from '../../../util/fastSmoothScrollHorizontal';
 import useShowTransition from '../../../hooks/useShowTransition';
-import usePrevious from '../../../hooks/usePrevious';
 
 import Loading from '../../ui/Loading';
-import StickerButton from '../../common/StickerButton';
+import EmojiButton from './EmojiButton';
 
 import './EmojiTooltip.scss';
 
+const VIEWPORT_MARGIN = 8;
+const EMOJI_BUTTON_WIDTH = 44;
+
+function setItemVisible(index: number, containerRef: Record<string, any>) {
+  const container = containerRef.current!;
+  if (!container) {
+    return;
+  }
+
+  const { visibleIndexes, allElements } = findInViewport(
+    container,
+    '.EmojiButton',
+    VIEWPORT_MARGIN,
+    true,
+    true,
+    true,
+  );
+
+  if (!allElements.length || !allElements[index]) {
+    return;
+  }
+  const first = visibleIndexes[0];
+  if (!visibleIndexes.includes(index)
+    || (index === first && !isFullyVisible(container, allElements[first], true))) {
+    const position = index > visibleIndexes[visibleIndexes.length - 1] ? 'start' : 'end';
+    const newLeft = position === 'start' ? index * EMOJI_BUTTON_WIDTH : 0;
+
+    fastSmoothScrollHorizontal(container, newLeft);
+  }
+}
+
 export type OwnProps = {
   isOpen: boolean;
-  onStickerSelect: (sticker: ApiSticker) => void;
+  onEmojiSelect: (text: string) => void;
+  onClose: NoneToVoidFunction;
+  emojis: Emoji[];
 };
 
-type StateProps = {
-  stickers?: ApiSticker[];
-};
-
-type DispatchProps = Pick<GlobalActions, 'clearStickersForEmoji'>;
-
-const INTERSECTION_THROTTLE = 200;
-
-const EmojiTooltip: FC<OwnProps & StateProps & DispatchProps> = ({
+const EmojiTooltip: FC<OwnProps> = ({
   isOpen,
-  onStickerSelect,
-  stickers,
-  clearStickersForEmoji,
+  emojis,
+  onClose,
+  onEmojiSelect,
 }) => {
   // eslint-disable-next-line no-null/no-null
   const containerRef = useRef<HTMLDivElement>(null);
   const { shouldRender, transitionClassNames } = useShowTransition(isOpen, undefined, undefined, false);
-  const prevStickers = usePrevious(stickers, true);
-  const displayedStickers = stickers || prevStickers;
 
-  const {
-    observe: observeIntersection,
-  } = useIntersectionObserver({ rootRef: containerRef, throttleMs: INTERSECTION_THROTTLE });
+  const [selectedIndex, setSelectedIndex] = useState(-1);
 
-  useEffect(() => (isOpen ? captureEscKeyListener(clearStickersForEmoji) : undefined), [isOpen, clearStickersForEmoji]);
+  useEffect(() => {
+    setSelectedIndex(0);
+  }, [emojis]);
+
+  useEffect(() => {
+    setItemVisible(selectedIndex, containerRef);
+  }, [selectedIndex]);
+
+  const getSelectedIndex = useCallback((newIndex: number) => {
+    if (!emojis.length) {
+      return -1;
+    }
+
+    const emojisCount = emojis.length;
+    return cycleRestrict(emojisCount, newIndex);
+  }, [emojis]);
+
+
+  const handleArrowKey = useCallback((value: number, e: KeyboardEvent) => {
+    e.preventDefault();
+    setSelectedIndex((index) => (getSelectedIndex(index + value)));
+  }, [setSelectedIndex, getSelectedIndex]);
+
+  const handleSelectEmoji = useCallback((e: KeyboardEvent) => {
+    if (emojis.length && selectedIndex > -1) {
+      const emoji = emojis[selectedIndex];
+      if (emoji) {
+        e.preventDefault();
+        onEmojiSelect(emoji.native);
+      }
+    }
+  }, [emojis, onEmojiSelect, selectedIndex]);
+
+  useEffect(() => (isOpen ? captureKeyboardListeners({
+    onEsc: onClose,
+    onLeft: (e: KeyboardEvent) => handleArrowKey(-1, e),
+    onRight: (e: KeyboardEvent) => handleArrowKey(1, e),
+    onEnter: handleSelectEmoji,
+  }) : undefined), [handleArrowKey, handleSelectEmoji, isOpen, onClose]);
 
   const handleMouseEnter = () => {
     document.body.classList.add('no-select');
@@ -60,7 +115,7 @@ const EmojiTooltip: FC<OwnProps & StateProps & DispatchProps> = ({
   };
 
   const className = buildClassName(
-    'EmojiTooltip custom-scroll',
+    'EmojiTooltip composer-tooltip custom-scroll-x',
     transitionClassNames,
   );
 
@@ -71,15 +126,13 @@ const EmojiTooltip: FC<OwnProps & StateProps & DispatchProps> = ({
       onMouseEnter={!IS_TOUCH_ENV ? handleMouseEnter : undefined}
       onMouseLeave={!IS_TOUCH_ENV ? handleMouseLeave : undefined}
     >
-      {shouldRender && displayedStickers ? (
-        displayedStickers.map((sticker) => (
-          <StickerButton
-            key={sticker.id}
-            sticker={sticker}
-            size={STICKER_SIZE_PICKER}
-            observeIntersection={observeIntersection}
-            onClick={onStickerSelect}
-            clickArg={sticker}
+      {shouldRender && emojis ? (
+        emojis.map((emoji, index) => (
+          <EmojiButton
+            key={emoji.id}
+            emoji={emoji}
+            focus={selectedIndex === index}
+            onClick={onEmojiSelect}
           />
         ))
       ) : shouldRender ? (
@@ -89,11 +142,4 @@ const EmojiTooltip: FC<OwnProps & StateProps & DispatchProps> = ({
   );
 };
 
-export default memo(withGlobal<OwnProps>(
-  (global): StateProps => {
-    const { stickers } = global.stickers.forEmoji;
-
-    return { stickers };
-  },
-  (setGlobal, actions): DispatchProps => pick(actions, ['clearStickersForEmoji']),
-)(EmojiTooltip));
+export default memo(EmojiTooltip);

src/components/middle/composer/MentionMenu.async.tsx

@@ -1,15 +0,0 @@
-import React, { FC, memo } from '../../../lib/teact/teact';
-import { OwnProps } from './MentionMenu';
-import { Bundles } from '../../../util/moduleLoader';
-
-import useModuleLoader from '../../../hooks/useModuleLoader';
-
-const MentionMenuAsync: FC<OwnProps> = (props) => {
-  const { isOpen } = props;
-  const MentionMenu = useModuleLoader(Bundles.Extra, 'MentionMenu', !isOpen);
-
-  // eslint-disable-next-line react/jsx-props-no-spreading
-  return MentionMenu ? <MentionMenu {...props} /> : undefined;
-};
-
-export default memo(MentionMenuAsync);

src/components/middle/composer/MentionTooltip.async.tsx

@@ -0,0 +1,15 @@
+import React, { FC, memo } from '../../../lib/teact/teact';
+import { OwnProps } from './MentionTooltip';
+import { Bundles } from '../../../util/moduleLoader';
+
+import useModuleLoader from '../../../hooks/useModuleLoader';
+
+const MentionTooltipAsync: FC<OwnProps> = (props) => {
+  const { isOpen } = props;
+  const MentionTooltip = useModuleLoader(Bundles.Extra, 'MentionTooltip', !isOpen);
+
+  // eslint-disable-next-line react/jsx-props-no-spreading
+  return MentionTooltip ? <MentionTooltip {...props} /> : undefined;
+};
+
+export default memo(MentionTooltipAsync);

src/components/middle/composer/MentionTooltip.scss

@@ -1,41 +1,14 @@
-.MentionMenu {
-  position: absolute;
-  bottom: calc(100% + .75rem);
-  left: 0;
+.MentionTooltip {
   width: calc(100% - 4rem);
   max-width: 20rem;
-  background: var(--color-background);
-  border-radius: var(--border-radius-messages);
-  padding: 0.5rem 0;
-  max-height: 15rem;
-  overflow-x: hidden;
-  overflow-y: auto;
+  flex-direction: column;
 
-  box-shadow: 3px 3px 5px var(--color-default-shadow);
   z-index: -1;
 
-  opacity: 0;
-  transform: translateY(1.5rem);
-  transform-origin: bottom;
-  transition: opacity var(--layer-transition), transform var(--layer-transition);
-
   @media (max-width: 600px) {
     width: calc(100% - 3rem);
   }
 
-  &:not(.shown) {
-    display: none;
-  }
-
-  &.open {
-    opacity: 1;
-    transform: translateY(0);
-  }
-
-  .Loading {
-    margin: 1rem 0;
-  }
-
   .ListItem.chat-item-clickable {
     margin: 0;
 

src/components/middle/composer/MentionTooltip.tsx

@@ -16,7 +16,7 @@ import cycleRestrict from '../../../util/cycleRestrict';
 import ListItem from '../../ui/ListItem';
 import PrivateChatInfo from '../../common/PrivateChatInfo';
 
-import './MentionMenu.scss';
+import './MentionTooltip.scss';
 
 const VIEWPORT_MARGIN = 8;
 const SCROLL_MARGIN = 10;
@@ -53,7 +53,7 @@ export type OwnProps = {
   usersById?: Record<number, ApiUser>;
 };
 
-const MentionMenu: FC<OwnProps> = ({
+const MentionTooltip: FC<OwnProps> = ({
   isOpen,
   filter,
   onClose,
@@ -136,7 +136,7 @@ const MentionMenu: FC<OwnProps> = ({
   }
 
   const className = buildClassName(
-    'MentionMenu custom-scroll',
+    'MentionTooltip composer-tooltip custom-scroll',
     transitionClassNames,
   );
 
@@ -160,4 +160,4 @@ const MentionMenu: FC<OwnProps> = ({
   );
 };
 
-export default memo(MentionMenu);
+export default memo(MentionTooltip);

src/components/middle/composer/MessageInput.tsx

@@ -36,6 +36,7 @@ type OwnProps = {
   placeholder: string;
   shouldSetFocus: boolean;
   shouldSupressFocus?: boolean;
+  shouldSupressTextFormatter?: boolean;
   onUpdate: (html: string) => void;
   onSupressedFocus?: () => void;
   onSend: () => void;
@@ -76,6 +77,7 @@ const MessageInput: FC<OwnProps & StateProps & DispatchProps> = ({
   placeholder,
   shouldSetFocus,
   shouldSupressFocus,
+  shouldSupressTextFormatter,
   onUpdate,
   onSupressedFocus,
   onSend,
@@ -139,7 +141,8 @@ const MessageInput: FC<OwnProps & StateProps & DispatchProps> = ({
     const selectionRange = selection.getRangeAt(0);
     const selectedText = selectionRange.toString().trim();
     if (
-      !isSelectionInsideInput(selectionRange)
+      shouldSupressTextFormatter
+      || !isSelectionInsideInput(selectionRange)
       || !selectedText
       || parseEmojiOnlyString(selectedText)
       || !selectionRange.START_TO_END

src/components/middle/composer/StickerTooltip.async.tsx

@@ -0,0 +1,15 @@
+import React, { FC } from '../../../lib/teact/teact';
+import { OwnProps } from './StickerTooltip';
+import { Bundles } from '../../../util/moduleLoader';
+
+import useModuleLoader from '../../../hooks/useModuleLoader';
+
+const StickerTooltipAsync: FC<OwnProps> = (props) => {
+  const { isOpen } = props;
+  const StickerTooltip = useModuleLoader(Bundles.Extra, 'StickerTooltip', !isOpen);
+
+  // eslint-disable-next-line react/jsx-props-no-spreading
+  return StickerTooltip ? <StickerTooltip {...props} /> : undefined;
+};
+
+export default StickerTooltipAsync;

src/components/middle/composer/StickerTooltip.scss

@@ -0,0 +1,10 @@
+.StickerTooltip {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(5rem, 1fr));
+  grid-auto-rows: auto;
+  place-items: center;
+
+  &.hidden {
+    display: none;
+  }
+}

src/components/middle/composer/StickerTooltip.tsx

@@ -0,0 +1,100 @@
+import React, {
+  FC, memo, useEffect, useRef,
+} from '../../../lib/teact/teact';
+import { withGlobal } from '../../../lib/teact/teactn';
+
+import { ApiSticker } from '../../../api/types';
+import { GlobalActions } from '../../../global/types';
+
+import { STICKER_SIZE_PICKER } from '../../../config';
+import { IS_TOUCH_ENV } from '../../../util/environment';
+import buildClassName from '../../../util/buildClassName';
+import captureEscKeyListener from '../../../util/captureEscKeyListener';
+import { pick } from '../../../util/iteratees';
+import { useIntersectionObserver } from '../../../hooks/useIntersectionObserver';
+import useShowTransition from '../../../hooks/useShowTransition';
+import usePrevious from '../../../hooks/usePrevious';
+
+import Loading from '../../ui/Loading';
+import StickerButton from '../../common/StickerButton';
+
+import './StickerTooltip.scss';
+
+export type OwnProps = {
+  isOpen: boolean;
+  onStickerSelect: (sticker: ApiSticker) => void;
+};
+
+type StateProps = {
+  stickers?: ApiSticker[];
+};
+
+type DispatchProps = Pick<GlobalActions, 'clearStickersForEmoji'>;
+
+const INTERSECTION_THROTTLE = 200;
+
+const StickerTooltip: FC<OwnProps & StateProps & DispatchProps> = ({
+  isOpen,
+  onStickerSelect,
+  stickers,
+  clearStickersForEmoji,
+}) => {
+  // eslint-disable-next-line no-null/no-null
+  const containerRef = useRef<HTMLDivElement>(null);
+  const { shouldRender, transitionClassNames } = useShowTransition(isOpen, undefined, undefined, false);
+  const prevStickers = usePrevious(stickers, true);
+  const displayedStickers = stickers || prevStickers;
+
+  const {
+    observe: observeIntersection,
+  } = useIntersectionObserver({ rootRef: containerRef, throttleMs: INTERSECTION_THROTTLE });
+
+  useEffect(() => (isOpen ? captureEscKeyListener(clearStickersForEmoji) : undefined), [isOpen, clearStickersForEmoji]);
+
+  const handleMouseEnter = () => {
+    document.body.classList.add('no-select');
+  };
+
+  const handleMouseLeave = () => {
+    document.body.classList.remove('no-select');
+  };
+
+  const className = buildClassName(
+    'StickerTooltip composer-tooltip custom-scroll',
+    transitionClassNames,
+    !(displayedStickers && displayedStickers.length) && 'hidden',
+  );
+
+  return (
+    <div
+      ref={containerRef}
+      className={className}
+      onMouseEnter={!IS_TOUCH_ENV ? handleMouseEnter : undefined}
+      onMouseLeave={!IS_TOUCH_ENV ? handleMouseLeave : undefined}
+    >
+      {shouldRender && displayedStickers ? (
+        displayedStickers.map((sticker) => (
+          <StickerButton
+            key={sticker.id}
+            sticker={sticker}
+            size={STICKER_SIZE_PICKER}
+            observeIntersection={observeIntersection}
+            onClick={onStickerSelect}
+            clickArg={sticker}
+          />
+        ))
+      ) : shouldRender ? (
+        <Loading />
+      ) : undefined}
+    </div>
+  );
+};
+
+export default memo(withGlobal<OwnProps>(
+  (global): StateProps => {
+    const { stickers } = global.stickers.forEmoji;
+
+    return { stickers };
+  },
+  (setGlobal, actions): DispatchProps => pick(actions, ['clearStickersForEmoji']),
+)(StickerTooltip));

src/components/middle/composer/hooks/useEmojiTooltip.ts

@@ -1,36 +1,132 @@
-import { useEffect } from '../../../../lib/teact/teact';
-import { getDispatch } from '../../../../lib/teact/teactn';
+import {
+  useCallback, useEffect, useMemo, useState,
+} from '../../../../lib/teact/teact';
 
-import { ApiSticker } from '../../../../api/types';
+import { EDITABLE_INPUT_ID } from '../../../../config';
+import { IS_MOBILE_SCREEN } from '../../../../util/environment';
+import {
+  EmojiData, EmojiModule, EmojiRawData, uncompressEmoji,
+} from '../../../../util/emoji';
+import useFlag from '../../../../hooks/useFlag';
+import focusEditableElement from '../../../../util/focusEditableElement';
 
-import { IS_EMOJI_SUPPORTED } from '../../../../util/environment';
+let emojiDataPromise: Promise<EmojiModule>;
+let emojiRawData: EmojiRawData;
+let emojiData: EmojiData;
 
-import parseEmojiOnlyString from '../../../common/helpers/parseEmojiOnlyString';
+const RE_NOT_EMOJI_SEARCH = /[^-:_a-z\d]+/i;
+const EMOJIS_LIMIT = 50;
 
 export default function useEmojiTooltip(
   isAllowed: boolean,
   html: string,
-  stickers?: ApiSticker[],
+  recentEmojiIds: string[],
+  inputId = EDITABLE_INPUT_ID,
+  onUpdateHtml: (html: string) => void,
 ) {
-  const { loadStickersForEmoji, clearStickersForEmoji } = getDispatch();
-  const isSingleEmoji = (
-    (IS_EMOJI_SUPPORTED && parseEmojiOnlyString(html) === 1)
-    || (!IS_EMOJI_SUPPORTED && Boolean(html.match(/^<img.[^>]*?>$/g)))
+  const [isOpen, markIsOpen, unmarkIsOpen] = useFlag();
+  const [emojis, setEmojis] = useState<Emoji[]>([]);
+  const [filteredEmojis, setFilteredEmojis] = useState<Emoji[]>([]);
+
+  const recentEmojis = useMemo(
+    () => {
+      if (!emojis && !recentEmojiIds.length) {
+        return [];
+      }
+
+      return emojis.filter((emoji) => recentEmojiIds.includes(emoji.id)) as Emoji[];
+    },
+    [emojis, recentEmojiIds],
   );
-  const hasStickers = Boolean(stickers) && isSingleEmoji;
+
+  // Initialize data on first render.
+  useEffect(() => {
+    const exec = () => {
+      setEmojis(Object.values(emojiData.emojis));
+    };
+
+    if (emojiData) {
+      exec();
+    } else {
+      ensureEmojiData()
+        .then(exec);
+    }
+  }, []);
 
   useEffect(() => {
-    if (isAllowed && isSingleEmoji) {
-      loadStickersForEmoji({ emoji: html });
-    } else if (hasStickers || !isSingleEmoji) {
-      clearStickersForEmoji();
+    if (!html || !emojis) {
+      unmarkIsOpen();
+      return;
     }
-    // We omit `hasStickers` here to prevent re-fetching after manually closing tooltip (via <Esc>).
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [html, isSingleEmoji, clearStickersForEmoji, loadStickersForEmoji, isAllowed]);
+
+    const code = getEmojiCode(html);
+    if (!code) {
+      setFilteredEmojis([]);
+      unmarkIsOpen();
+      return;
+    }
+
+    const filter = code.substr(1);
+    const matched = filter === '' ? recentEmojis : emojis.filter((emoji) => {
+      return 'names' in emoji && (!filter || emoji.names.find((name) => name.includes(filter)));
+    }) as Emoji[];
+
+    if (matched.length) {
+      markIsOpen();
+      setFilteredEmojis(matched.slice(0, EMOJIS_LIMIT));
+    } else {
+      unmarkIsOpen();
+    }
+  }, [emojis, html, markIsOpen, recentEmojis, unmarkIsOpen]);
+
+  const insertEmoji = useCallback((textEmoji: string) => {
+    const atIndex = html.lastIndexOf(':');
+    if (atIndex !== -1) {
+      onUpdateHtml(`${html.substr(0, atIndex)}${textEmoji}`);
+      const messageInput = document.getElementById(inputId)!;
+      if (!IS_MOBILE_SCREEN) {
+        requestAnimationFrame(() => {
+          focusEditableElement(messageInput, true);
+        });
+      }
+    }
+
+    unmarkIsOpen();
+  }, [html, inputId, onUpdateHtml, unmarkIsOpen]);
 
   return {
-    isEmojiTooltipOpen: hasStickers,
-    closeEmojiTooltip: clearStickersForEmoji,
+    isEmojiTooltipOpen: isOpen,
+    closeEmojiTooltip: unmarkIsOpen,
+    filteredEmojis,
+    insertEmoji,
   };
 }
+
+function getEmojiCode(html: string) {
+  const tempEl = document.createElement('div');
+  tempEl.innerHTML = html;
+  const text = tempEl.innerText;
+
+  const lastSymbol = text[text.length - 1];
+  const lastWord = text.split(RE_NOT_EMOJI_SEARCH).pop();
+
+  if (
+    !text.length || RE_NOT_EMOJI_SEARCH.test(lastSymbol)
+    || !lastWord || !lastWord.startsWith(':')
+  ) {
+    return undefined;
+  }
+
+  return lastWord.toLowerCase();
+}
+
+async function ensureEmojiData() {
+  if (!emojiDataPromise) {
+    emojiDataPromise = import('emoji-data-ios/emoji-data.json') as unknown as Promise<EmojiModule>;
+    emojiRawData = (await emojiDataPromise).default;
+
+    emojiData = uncompressEmoji(emojiRawData);
+  }
+
+  return emojiDataPromise;
+}

src/components/middle/composer/hooks/useMentionTooltip.ts

@@ -10,7 +10,7 @@ import useFlag from '../../../../hooks/useFlag';
 
 const RE_NOT_USERNAME_SEARCH = /[^@_\d\wа-яё]+/i;
 
-export default function useMentionMenu(
+export default function useMentionTooltip(
   canSuggestMembers: boolean | undefined,
   html: string,
   onUpdateHtml: (html: string) => void,
@@ -90,9 +90,9 @@ export default function useMentionMenu(
   }, [html, inputId, onUpdateHtml, unmarkIsOpen]);
 
   return {
-    isMentionMenuOpen: isOpen,
+    isMentionTooltipOpen: isOpen,
     mentionFilter: currentFilter,
-    closeMentionMenu: unmarkIsOpen,
+    closeMentionTooltip: unmarkIsOpen,
     insertMention,
     mentionFilteredMembers: filteredMembers,
   };

src/components/middle/composer/hooks/useStickerTooltip.ts

@@ -0,0 +1,36 @@
+import { useEffect } from '../../../../lib/teact/teact';
+import { getDispatch } from '../../../../lib/teact/teactn';
+
+import { ApiSticker } from '../../../../api/types';
+
+import { IS_EMOJI_SUPPORTED } from '../../../../util/environment';
+
+import parseEmojiOnlyString from '../../../common/helpers/parseEmojiOnlyString';
+
+export default function useStickerTooltip(
+  isAllowed: boolean,
+  html: string,
+  stickers?: ApiSticker[],
+) {
+  const { loadStickersForEmoji, clearStickersForEmoji } = getDispatch();
+  const isSingleEmoji = (
+    (IS_EMOJI_SUPPORTED && parseEmojiOnlyString(html) === 1)
+    || (!IS_EMOJI_SUPPORTED && Boolean(html.match(/^<img.[^>]*?>$/g)))
+  );
+  const hasStickers = Boolean(stickers) && isSingleEmoji;
+
+  useEffect(() => {
+    if (isAllowed && isSingleEmoji) {
+      loadStickersForEmoji({ emoji: html });
+    } else if (hasStickers || !isSingleEmoji) {
+      clearStickersForEmoji();
+    }
+    // We omit `hasStickers` here to prevent re-fetching after manually closing tooltip (via <Esc>).
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [html, isSingleEmoji, clearStickersForEmoji, loadStickersForEmoji, isAllowed]);
+
+  return {
+    isStickerTooltipOpen: hasStickers,
+    closeStickerTooltip: clearStickersForEmoji,
+  };
+}

src/util/captureKeyboardListeners.ts

@@ -1,4 +1,5 @@
-type HandlerName = 'onEnter' | 'onBackspace' | 'onDelete' | 'onEsc' | 'onUp' | 'onDown' | 'onTab';
+type HandlerName = 'onEnter' | 'onBackspace' | 'onDelete' | 'onEsc' | 'onUp' | 'onDown' | 'onLeft' | 'onRight'
+| 'onTab';
 type Handler = (e: KeyboardEvent) => void;
 type CaptureOptions = Partial<Record<HandlerName, Handler>>;
 
@@ -10,6 +11,8 @@ const keyToHandlerName: Record<string, HandlerName> = {
   Escape: 'onEsc',
   ArrowUp: 'onUp',
   ArrowDown: 'onDown',
+  ArrowLeft: 'onLeft',
+  ArrowRight: 'onRight',
   Tab: 'onTab',
 };
 
@@ -20,6 +23,8 @@ const handlers: Record<HandlerName, Handler[]> = {
   onEsc: [],
   onUp: [],
   onDown: [],
+  onLeft: [],
+  onRight: [],
   onTab: [],
 };
 

src/util/emoji.ts

@@ -55,13 +55,13 @@ export function uncompressEmoji(data: EmojiRawData): EmojiData {
 
     for (let j = 0; j < data[i + 1].length; j++) {
       const emojiRaw = data[i + 1][j];
-      if (!EXCLUDE_EMOJIS.includes(emojiRaw[1])) {
-        category.emojis.push(emojiRaw[1]);
-        emojiData.emojis[emojiRaw[1]] = {
-          id: emojiRaw[1],
-          colons: `:${emojiRaw[1]}:`,
-          native: unifiedToNative(emojiRaw[0]),
-          image: emojiRaw[0].toLowerCase(),
+      if (!EXCLUDE_EMOJIS.includes(emojiRaw[1][0])) {
+        category.emojis.push(emojiRaw[1][0]);
+        emojiData.emojis[emojiRaw[1][0]] = {
+          id: emojiRaw[1][0],
+          names: emojiRaw[1] as string[],
+          native: unifiedToNative(emojiRaw[0] as string),
+          image: (emojiRaw[0] as string).toLowerCase(),
         };
       }
     }

src/util/fastSmoothScrollHorizontal.ts

@@ -4,7 +4,7 @@ import { IS_IOS } from './environment';
 
 const DURATION = 450;
 
-export default function fastSmoothScroll(container: HTMLElement, left: number) {
+export default function fastSmoothScrollHorizontal(container: HTMLElement, left: number) {
   // Native way seems to be smoother in Chrome
   if (!IS_IOS) {
     container.scrollTo({ left, behavior: 'smooth' });

src/util/findInViewport.ts

@@ -4,9 +4,10 @@ export default function findInViewport(
   margin = 0,
   isDense = false,
   shouldContainBottom = false,
+  isHorizontal = false,
 ) {
-  const viewportY1 = container.scrollTop;
-  const viewportY2 = viewportY1 + container.offsetHeight;
+  const viewportY1 = container[isHorizontal ? 'scrollLeft' : 'scrollTop'];
+  const viewportY2 = viewportY1 + container[isHorizontal ? 'offsetWidth' : 'offsetHeight'];
   const allElements = typeof selectorOrElements === 'string'
     ? container.querySelectorAll<HTMLElement>(selectorOrElements)
     : selectorOrElements;
@@ -16,8 +17,8 @@ export default function findInViewport(
 
   for (let i = 0; i < length; i++) {
     const element = allElements[i];
-    const y1 = element.offsetTop;
-    const y2 = y1 + element.offsetHeight;
+    const y1 = element[isHorizontal ? 'offsetLeft' : 'offsetTop'];
+    const y2 = y1 + element[isHorizontal ? 'offsetWidth' : 'offsetHeight'];
     const isVisible = shouldContainBottom
       ? y2 >= viewportY1 - margin && y2 <= viewportY2 + margin
       : y1 <= viewportY2 + margin && y2 >= viewportY1 - margin;

src/util/isFullyVisible.ts

@@ -1,8 +1,8 @@
-function isFullyVisible(container: HTMLElement, element: HTMLElement) {
-  const viewportY1 = container.scrollTop;
-  const viewportY2 = viewportY1 + container.offsetHeight;
-  const y1 = element.offsetTop;
-  const y2 = y1 + element.offsetHeight;
+function isFullyVisible(container: HTMLElement, element: HTMLElement, isHorizontal = false) {
+  const viewportY1 = container[isHorizontal ? 'scrollLeft' : 'scrollTop'];
+  const viewportY2 = viewportY1 + container[isHorizontal ? 'offsetWidth' : 'offsetHeight'];
+  const y1 = element[isHorizontal ? 'offsetLeft' : 'offsetTop'];
+  const y2 = y1 + element[isHorizontal ? 'offsetWidth' : 'offsetHeight'];
   return y1 > viewportY1 && y2 < viewportY2;
 }