Some fixes

src/components/chat/bubbles.ts

@@ -4155,7 +4155,8 @@ export default class ChatBubbles {
           if(wrapped?.onclick === 'im') {
             const map: {[type: string]: LangPackKey} = {
               telegram_channel: 'Chat.Message.ViewChannel',
-              telegram_megagroup: 'OpenGroup'
+              telegram_megagroup: 'OpenGroup',
+              telegram_bot: 'Chat.Message.ViewBot'
             };
 
             const langPackKey = map[webPage.type] || 'OpenMessage';

src/components/chat/input.ts

@@ -237,6 +237,8 @@ export default class ChatInput {
   private sendAs: ChatSendAs;
   public sendAsPeerId: PeerId;
 
+  private replyInTopicOverlay: HTMLDivElement;
+
   constructor(
     private chat: Chat,
     private appImManager: AppImManager,
@@ -480,6 +482,10 @@ export default class ChatInput {
     this.newMessageWrapper = document.createElement('div');
     this.newMessageWrapper.classList.add('new-message-wrapper');
 
+    this.replyInTopicOverlay = document.createElement('div');
+    this.replyInTopicOverlay.classList.add('reply-in-topic-overlay', 'hide');
+    this.replyInTopicOverlay.append(i18n('Chat.Input.ReplyToAnswer'));
+
     this.btnToggleEmoticons = ButtonIcon('none toggle-emoticons', {noRipple: true});
 
     this.inputMessageContainer = document.createElement('div');
@@ -983,7 +989,7 @@ export default class ChatInput {
       });
     }, {listenerSetter: this.listenerSetter});
 
-    this.controlContainer.append(this.botStartBtn);
+    this.controlContainer.append(this.botStartBtn, this.replyInTopicOverlay);
 
     // * pinned part start
     this.pinnedControlBtn = Button('btn-primary btn-transparent text-bold chat-input-control-button', {icon: 'unpin'});
@@ -1095,6 +1101,13 @@ export default class ChatInput {
     this.center(true);
   }
 
+  public isReplyInTopicOverlayNeeded() {
+    return this.chat.isForum &&
+      !this.chat.isForumTopic &&
+      !this.replyToMsgId &&
+      this.chat.type === 'chat';
+  }
+
   public async getNeededFakeContainer(startParam = this.startParam) {
     if(this.chat.selection.isSelecting) {
       return this.fakeSelectionWrapper;
@@ -1102,7 +1115,8 @@ export default class ChatInput {
       startParam !== undefined ||
       !(await this.chat.canSend()) ||
       this.chat.type === 'pinned' ||
-      await this.chat.isStartButtonNeeded()
+      await this.chat.isStartButtonNeeded() ||
+      this.isReplyInTopicOverlayNeeded()
     ) {
       return this.controlContainer;
     }
@@ -1442,12 +1456,21 @@ export default class ChatInput {
         this.messageInput.dataset.peerId = '' + peerId;
       }
 
+      let haveSomethingInControl = false;
       if(this.pinnedControlBtn) {
-        this.pinnedControlBtn.classList.toggle('hide', this.chat.type !== 'pinned');
+        const good = this.chat.type === 'pinned';
+        haveSomethingInControl ||= good;
+        this.pinnedControlBtn.classList.toggle('hide', !good);
         this.pinnedControlBtn.replaceChildren(i18n(canPinMessage ? 'Chat.Input.UnpinAll' : 'Chat.Pinned.DontShow'));
       }
 
-      this.botStartBtn.classList.toggle('hide', this.chat.type === 'pinned');
+      {
+        const good = this.chat.isForum && !this.chat.isForumTopic && this.chat.type === 'chat';
+        haveSomethingInControl ||= good;
+        this.replyInTopicOverlay.classList.toggle('hide', !good);
+      }
+
+      this.botStartBtn.classList.toggle('hide', haveSomethingInControl);
 
       // * testing
       // this.startParam = this.appPeersManager.isBot(peerId) ? '123' : undefined;
@@ -2945,11 +2968,16 @@ export default class ChatInput {
       }
 
       this.setTopInfo('reply', f, peerTitleEl, message && (message as Message.message).message, undefined, message);
-      this.replyToMsgId = mid;
+      this.setReplyToMsgId(mid)
     };
     f();
   }
 
+  public setReplyToMsgId(mid: number) {
+    this.replyToMsgId = mid;
+    this.center(true);
+  }
+
   public clearHelper(type?: ChatInputHelperType) {
     if(this.helperType === 'edit' && type !== 'edit') {
       this.clearInput();
@@ -2962,7 +2990,7 @@ export default class ChatInput {
     }
 
     if(type !== 'reply') {
-      this.replyToMsgId = undefined;
+      this.setReplyToMsgId(undefined);
       this.forwarding = undefined;
     }
 

src/config/app.ts

@@ -21,7 +21,7 @@ const App = {
   version: process.env.VERSION,
   versionFull: process.env.VERSION_FULL,
   build: +process.env.BUILD,
-  langPackVersion: '0.7.1',
+  langPackVersion: '0.7.2',
   langPack: 'webk',
   langPackCode: 'en',
   domains: MAIN_DOMAINS,

src/lang.ts

@@ -929,6 +929,7 @@ const lang = {
   'Chat.DropQuickDesc': 'in a quick way',
   'Chat.DropAsFilesDesc': 'without compression',
   'Chat.Edit.Cancel.Text': 'Are you sure you want to discard all changes?',
+  'Chat.Input.ReplyToAnswer': 'Reply to message in topics',
   'Chat.SendVoice.PrivacyError': '%@ doesn\'t accept voice and video messages',
   'Chat.Service.Call.Cancelled': 'Cancelled',
   'Chat.Service.Call.Missed': 'Missed',

src/lib/appManagers/appMessagesManager.ts

@@ -1567,13 +1567,21 @@ export class AppMessagesManager extends AppManager {
   }
 
   private generateReplyHeader(peerId: PeerId, replyToMsgId: number, replyToTopId?: number) {
+    const isForum = this.appPeersManager.isForum(peerId);
+    if(isForum && !replyToTopId) {
+      const originalMessage = this.getMessageByPeer(peerId, replyToMsgId);
+      if(originalMessage) {
+        replyToTopId = getMessageThreadId(originalMessage, true);
+      }
+    }
+
     const header: MessageReplyHeader = {
       _: 'messageReplyHeader',
       reply_to_msg_id: replyToMsgId || replyToTopId,
       pFlags: {}
     };
 
-    if(replyToTopId && this.appPeersManager.isForum(peerId) && GENERAL_TOPIC_ID !== replyToTopId) {
+    if(replyToTopId && isForum && GENERAL_TOPIC_ID !== replyToTopId) {
       header.pFlags.forum_topic = true;
     }
 

src/lib/appManagers/utils/users/canSendToUser.ts

@@ -8,5 +8,5 @@ import {User} from '../../../../layer';
 import {REPLIES_PEER_ID} from '../../../mtproto/mtproto_config';
 
 export default function canSendToUser(user: User.user) {
-  return !user.pFlags.deleted && user.id.toPeerId() !== REPLIES_PEER_ID;
+  return !!(user && !user.pFlags.deleted && user.id.toPeerId() !== REPLIES_PEER_ID);
 }

src/scss/partials/_chat.scss

@@ -521,6 +521,23 @@ $chat-input-border-radius: 1rem;
 		opacity: 1;
 	}
 
+  .reply-in-topic-overlay {
+    // position: absolute;
+    // top: 0;
+    // right: 0;
+    // bottom: 0;
+    // left: 0;
+    background-color: inherit;
+    border-radius: inherit;
+    z-index: 3;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--secondary-text-color);
+    pointer-events: none;
+    padding: 0 1rem;
+  }
+
   .bubbles.is-selecting:not(.backwards) ~ & {
     .selection-wrapper {
       opacity: 1;