supergroups done

Telegram/SourceFiles/apiwrap.cpp

@@ -292,11 +292,11 @@ void ApiWrap::gotChatFull(PeerData *peer, const MTPmessages_ChatFull &result, mt
 				channel->flagsUpdated();
 			}
 			ChatData *cfrom = App::chat(peerFromChat(f.vmigrated_from_chat_id));
-			bool updated = (cfrom->migrateToPtr != channel);
+			bool updatedTo = (cfrom->migrateToPtr != channel), updatedFrom = (channel->mgInfo->migrateFromPtr != cfrom);
-			if (updated) {
+			if (updatedTo) {
 				cfrom->migrateToPtr = channel;
 			}
-			if (channel->mgInfo->migrateFromPtr != cfrom) {
+			if (updatedFrom) {
 				channel->mgInfo->migrateFromPtr = cfrom;
 				if (History *h = App::historyLoaded(cfrom->id)) {
 					if (History *hto = App::historyLoaded(channel->id)) {
@@ -308,8 +308,10 @@ void ApiWrap::gotChatFull(PeerData *peer, const MTPmessages_ChatFull &result, mt
 						}
 					}
 				}
+				Notify::migrateUpdated(channel);
 			}
-			if (updated) {
+			if (updatedTo) {
+				Notify::migrateUpdated(cfrom);
 				App::main()->peerUpdated(cfrom);
 			}
 		}
@@ -344,9 +346,6 @@ void ApiWrap::gotChatFull(PeerData *peer, const MTPmessages_ChatFull &result, mt
 				h->inboxReadBefore = f.vread_inbox_max_id.v + 1;
 				h->asChannelHistory()->unreadCountAll = f.vunread_count.v;
 			}
-			if (channel->migrateFrom()) {
-				h->asChannelHistory()->removeJoinedMessage();
-			}
 		}
 		channel->fullUpdated();
 
@@ -449,7 +448,7 @@ void ApiWrap::requestLastParticipants(ChannelData *peer, bool fromStart) {
 			return;
 		}
 	}
-	mtpRequestId req = MTP::send(MTPchannels_GetParticipants(peer->inputChannel, MTP_channelParticipantsRecent(), MTP_int(fromStart ? 0 : peer->mgInfo->lastParticipants.size()), MTP_int(1)), rpcDone(&ApiWrap::lastParticipantsDone, peer), rpcFail(&ApiWrap::lastParticipantsFail, peer));
+	mtpRequestId req = MTP::send(MTPchannels_GetParticipants(peer->inputChannel, MTP_channelParticipantsRecent(), MTP_int(fromStart ? 0 : peer->mgInfo->lastParticipants.size()), MTP_int(cMaxGroupCount())), rpcDone(&ApiWrap::lastParticipantsDone, peer), rpcFail(&ApiWrap::lastParticipantsFail, peer));
 	_participantsRequests.insert(peer, fromStart ? req : -req);
 }
 

Telegram/SourceFiles/app.cpp

@@ -510,10 +510,11 @@ namespace App {
 						channel->inputChannel = d.vmigrated_to;
 						channel->access = d.vmigrated_to.c_inputChannel().vaccess_hash.v;
 					}
-					if (cdata->migrateToPtr != channel) {
+					bool updatedTo = (cdata->migrateToPtr != channel), updatedFrom = (channel->mgInfo->migrateFromPtr != cdata);
+					if (updatedTo) {
 						cdata->migrateToPtr = channel;
 					}
-					if (channel->mgInfo->migrateFromPtr != cdata) {
+					if (updatedFrom) {
 						channel->mgInfo->migrateFromPtr = cdata;
 						if (History *h = App::historyLoaded(cdata->id)) {
 							if (History *hto = App::historyLoaded(channel->id)) {
@@ -525,6 +526,10 @@ namespace App {
 								}
 							}
 						}
+						Notify::migrateUpdated(channel);
+					}
+					if (updatedTo) {
+						Notify::migrateUpdated(cdata);
 					}
 				}
 
@@ -1044,8 +1049,13 @@ namespace App {
 				}
 				(*j)->destroy();
 				if (!h->lastMsg) historiesToCheck.insert(h, true);
-			} else if (channelHistory) {
+			} else {
-				channelHistory->messageWithIdDeleted(i->v);
+				if (channelHistory) {
+					channelHistory->messageWithIdDeleted(i->v);
+					if (channelHistory->unreadCount > 0 && i->v >= channelHistory->inboxReadBefore) {
+						channelHistory->setUnreadCount(channelHistory->unreadCount - 1);
+					}
+				}
 			}
 		}
 		if (resized) {
@@ -2862,4 +2872,10 @@ namespace Notify {
 		}
 	}
 
+	void migrateUpdated(PeerData *peer) {
+		if (MainWidget *m = App::main()) {
+			m->notifyMigrateUpdated(peer);
+		}
+	}
+
 }

Telegram/SourceFiles/app.h

@@ -317,6 +317,9 @@ namespace App {
 };
 
 namespace Notify {
+
 	void userIsBotChanged(UserData *user);
 	void botCommandsChanged(UserData *user);
+	void migrateUpdated(PeerData *peer);
+
 };

Telegram/SourceFiles/config.h

@@ -309,8 +309,8 @@ enum {
 	DialogsFirstLoad = 20, // first dialogs part size requested
 	DialogsPerPage = 500, // next dialogs part size
 
-	MessagesFirstLoad = 3, // first history part size requested
+	MessagesFirstLoad = 30, // first history part size requested
-	MessagesPerPage = 3, // next history part size
+	MessagesPerPage = 50, // next history part size
 
 	FileLoaderQueueStopTimeout = 5000,
 

Telegram/SourceFiles/dialogswidget.cpp

@@ -1756,6 +1756,7 @@ void DialogsWidget::dialogsReceived(const MTPmessages_Dialogs &dialogs, mtpReque
 		App::feedChats(data.vchats);
 		m = &data.vmessages.c_vector().v;
 		v = &data.vdialogs.c_vector().v;
+		_dialogsFull = true;
 	} break;
 	case mtpc_messages_dialogsSlice: {
 		const MTPDmessages_dialogsSlice &data(dialogs.c_messages_dialogsSlice());
@@ -1954,8 +1955,7 @@ void DialogsWidget::loadDialogs() {
 		return;
 	}
 
-	int32 loadCount = (!cTestMode() || _dialogsOffsetDate) ? DialogsPerPage : DialogsFirstLoad;
+	int32 loadCount = _dialogsOffsetDate ? DialogsPerPage : DialogsFirstLoad;
-	if (!cTestMode() && _dialogsOffsetDate) return;
 	_dialogsRequest = MTP::send(MTPmessages_GetDialogs(MTP_int(_dialogsOffsetDate), MTP_int(_dialogsOffsetId), _dialogsOffsetPeer ? _dialogsOffsetPeer->input : MTP_inputPeerEmpty(), MTP_int(loadCount)), rpcDone(&DialogsWidget::dialogsReceived), rpcFail(&DialogsWidget::dialogsFailed));
 }
 

Telegram/SourceFiles/history.cpp

@@ -703,7 +703,7 @@ void ChannelHistory::addNewGroup(const MTPMessageGroup &group) {
 }
 
 HistoryJoined *ChannelHistory::insertJoinedMessage(bool unread) {
-	if (_joinedMessage || !peer->asChannel()->amIn() || peer->asChannel()->migrateFrom()) {
+	if (_joinedMessage || !peer->asChannel()->amIn() || (peer->isMegagroup() && peer->asChannel()->mgInfo->joinedMessageFound)) {
 		return _joinedMessage;
 	}
 
@@ -731,6 +731,11 @@ HistoryJoined *ChannelHistory::insertJoinedMessage(bool unread) {
 			HistoryItemType type = item->type();
 			if (type == HistoryItemMsg || type == HistoryItemGroup) {
 				if (item->date <= inviteDate) {
+					if (peer->isMegagroup() && peer->migrateFrom() && item->isGroupMigrate()) {
+						peer->asChannel()->mgInfo->joinedMessageFound = true;
+						return 0;
+					}
+
 					++itemIndex;
 					if (item->date.date() != inviteDate.date()) {
 						HistoryDateMsg *joinedDateItem = new HistoryDateMsg(this, block, inviteDate.date());
@@ -830,13 +835,15 @@ HistoryJoined *ChannelHistory::insertJoinedMessage(bool unread) {
 }
 
 void ChannelHistory::checkJoinedMessage(bool createUnread) {
-	if (_joinedMessage || peer->asChannel()->inviter <= 0 || peer->asChannel()->migrateFrom()) {
+	if (_joinedMessage || peer->asChannel()->inviter <= 0) {
 		return;
 	}
 	if (isEmpty()) {
 		if (loadedAtTop() && loadedAtBottom()) {
 			if (insertJoinedMessage(createUnread)) {
-				setLastMessage(_joinedMessage);
+				if (!_joinedMessage->detached()) {
+					setLastMessage(_joinedMessage);
+				}
 			}
 			return;
 		}
@@ -875,18 +882,13 @@ void ChannelHistory::checkJoinedMessage(bool createUnread) {
 	if (!firstDate.isNull() && !lastDate.isNull() && (firstDate <= inviteDate || loadedAtTop()) && (lastDate > inviteDate || loadedAtBottom())) {
 		bool willBeLastMsg = (inviteDate >= lastDate);
 		if (insertJoinedMessage(createUnread && willBeLastMsg) && willBeLastMsg) {
-			setLastMessage(_joinedMessage);
+			if (!_joinedMessage->detached()) {
+				setLastMessage(_joinedMessage);
+			}
 		}
 	}
 }
 
-void ChannelHistory::removeJoinedMessage() {
-	if (_joinedMessage) {
-		_joinedMessage->destroy();
-		_joinedMessage = 0;
-	}
-}
-
 void ChannelHistory::checkMaxReadMessageDate() {
 	if (_maxReadMessageDate.isValid()) return;
 
@@ -896,11 +898,14 @@ void ChannelHistory::checkMaxReadMessageDate() {
 			HistoryItem *item = block->items.at(--itemIndex);
 			if ((item->isImportant() || isMegagroup()) && !item->unread()) {
 				_maxReadMessageDate = item->date;
+				if (item->isGroupMigrate() && isMegagroup() && peer->migrateFrom()) {
+					_maxReadMessageDate = date(MTP_int(peer->asChannel()->date + 1)); // no report spam panel
+				}
 				return;
 			}
 		}
 	}
-	if (loadedAtTop()) {
+	if (loadedAtTop() && (!isMegagroup() || !isEmpty())) {
 		_maxReadMessageDate = date(MTP_int(peer->asChannel()->date));
 	}
 }
@@ -943,8 +948,6 @@ HistoryItem *ChannelHistory::addNewToBlocks(const MTPMessage &msg, NewMessageTyp
 
 	if (!isImportantFlags && !onlyImportant() && !isEmpty() && type == NewMessageLast) {
 		clear(true);
-	} else if (isMegagroup() && !isEmpty() && type == NewMessageLast && idFromMessage(msg) > maxMsgId()) { // temp
-		clear(true);
 	}
 
 	HistoryBlock *to = 0;
@@ -7653,10 +7656,13 @@ void HistoryServiceMsg::setMessageByAction(const MTPmessageAction &action) {
 			second = TextLinkPtr(new PeerLink(u));
 			text = lng_action_add_users(lt_from, from, lt_user, textcmdLink(2, u->name), lt_count, v.size() - 1);
 		}
-		if (unread() && foundSelf) {
+		if (foundSelf) {
-			if (history()->peer->isChat() && !history()->peer->asChat()->inviterForSpamReport && _from->isUser()) {
+			if (unread() && history()->peer->isChat() && !history()->peer->asChat()->inviterForSpamReport && _from->isUser()) {
 				history()->peer->asChat()->inviterForSpamReport = peerToUser(_from->id);
 			}
+			if (history()->peer->isMegagroup()) {
+				history()->peer->asChannel()->mgInfo->joinedMessageFound = true;
+			}
 		}
 	} break;
 
@@ -7669,6 +7675,9 @@ void HistoryServiceMsg::setMessageByAction(const MTPmessageAction &action) {
 			//second = TextLinkPtr(new PeerLink(u));
 			//text = lng_action_user_joined_by_link_from(lt_from, from, lt_inviter, textcmdLink(2, u->name));
 		}
+		if (_from->isSelf() && history()->peer->isMegagroup()) {
+			history()->peer->asChannel()->mgInfo->joinedMessageFound = true;
+		}
 	} break;
 
 	case mtpc_messageActionChatCreate: {

Telegram/SourceFiles/history.h

@@ -432,7 +432,6 @@ public:
 
 	HistoryJoined *insertJoinedMessage(bool unread);
 	void checkJoinedMessage(bool createUnread = false);
-	void removeJoinedMessage();
 	const QDateTime &maxReadMessageDate();
 
 private:

Telegram/SourceFiles/historywidget.cpp

@@ -1734,6 +1734,10 @@ void HistoryInner::notifyIsBotChanged() {
 	}
 }
 
+void HistoryInner::notifyMigrateUpdated() {
+	_migrated = _peer->migrateFrom() ? App::history(_peer->migrateFrom()->id) : 0;
+}
+
 void HistoryInner::applyDragSelection() {
 	applyDragSelection(&_selected);
 }
@@ -2616,6 +2620,7 @@ HistoryWidget::HistoryWidget(QWidget *parent) : TWidget(parent)
 
 	setAcceptDrops(true);
 
+	connect(App::wnd(), SIGNAL(imageLoaded()), this, SLOT(updateField()));
 	connect(&_scroll, SIGNAL(scrolled()), this, SLOT(onListScroll()));
 	connect(&_reportSpamPanel, SIGNAL(reportClicked()), this, SLOT(onReportSpamClicked()));
 	connect(&_reportSpamPanel, SIGNAL(hideClicked()), this, SLOT(onReportSpamHide()));
@@ -2959,6 +2964,27 @@ void HistoryWidget::notifyUserIsBotChanged(UserData *user) {
 	}
 }
 
+void HistoryWidget::notifyMigrateUpdated(PeerData *peer) {
+	if (_peer) {
+		if (_peer == peer) {
+			if (peer->migrateTo()) {
+				showHistory(peer->migrateTo()->id, (_showAtMsgId > 0) ? (-_showAtMsgId) : _showAtMsgId, true);
+			} else if ((_migrated ? _migrated->peer : 0) != peer->migrateFrom()) {
+				History *migrated = peer->migrateFrom() ? App::history(peer->migrateFrom()->id) : 0;
+				if (_migrated || (migrated && migrated->unreadCount > 0)) {
+					showHistory(peer->id, peer->migrateFrom() ? _showAtMsgId : ((_showAtMsgId < 0 && -_showAtMsgId < ServerMaxMsgId) ? ShowAtUnreadMsgId : _showAtMsgId), true);
+				} else {
+					_migrated = migrated;
+					_list->notifyMigrateUpdated();
+					updateListSize();
+				}
+			}
+		} else if (_migrated && _migrated->peer == peer && peer->migrateTo() != _peer) {
+			showHistory(_peer->id, _showAtMsgId, true);
+		}
+	}
+}
+
 void HistoryWidget::stickersGot(const MTPmessages_AllStickers &stickers) {
 	cSetLastStickersUpdate(getms(true));
 	_stickersUpdateRequest = 0;
@@ -3163,12 +3189,12 @@ void HistoryWidget::applyDraft(bool parseLinks) {
 	}
 }
 
-void HistoryWidget::showHistory(const PeerId &peerId, MsgId showAtMsgId) {
+void HistoryWidget::showHistory(const PeerId &peerId, MsgId showAtMsgId, bool reload) {
 	MsgId wasMsgId = _showAtMsgId;
 	History *wasHistory = _history;
 
 	if (_history) {
-		if (_peer->id == peerId) {
+		if (_peer->id == peerId && !reload) {
 			_history->lastWidth = 0;
 
 			bool wasOnlyImportant = _history->isChannel() ? _history->asChannelHistory()->onlyImportant() : true;
@@ -3423,9 +3449,20 @@ void HistoryWidget::updateReportSpamStatus() {
 			_reportSpamStatus = i.value();
 			_reportSpamPanel.setReported(_reportSpamStatus == dbiprsReportSent, _peer);
 			return;
+		} else if (_peer->migrateFrom()) { // migrate report status
+			i = cReportSpamStatuses().constFind(_peer->migrateFrom()->id);
+			if (i != cReportSpamStatuses().cend()) {
+				_reportSpamStatus = i.value();
+				_reportSpamPanel.setReported(_reportSpamStatus == dbiprsReportSent, _peer);
+				cRefReportSpamStatuses().insert(_peer->id, _reportSpamStatus);
+				Local::writeReportSpamStatuses();
+				return;
+			}
 		}
 	}
-	if ((!_history->loadedAtTop() && (_history->blocks.size() < 2 || (_history->blocks.size() == 2 && _history->blocks.at(1)->items.size() < 2))) || !cContactsReceived() || _firstLoadRequest) {
+	if (!cContactsReceived() || _firstLoadRequest) {
+		_reportSpamStatus = dbiprsUnknown;
+	} else if (!_history->loadedAtTop() && (_history->blocks.size() < 2 || (_history->blocks.size() == 2 && _history->blocks.at(1)->items.size() < 2))) {
 		_reportSpamStatus = dbiprsUnknown;
 	} else if (_peer->isUser()) {
 		if (_peer->asUser()->contact > 0) {
@@ -3463,7 +3500,18 @@ void HistoryWidget::updateReportSpamStatus() {
 			_reportSpamStatus = dbiprsNoButton;
 		}
 	} else if (_peer->isChannel()) {
-		if (!_peer->asChannel()->inviter || _history->asChannelHistory()->maxReadMessageDate().isNull()) {
+		if (_peer->migrateFrom() && _peer->migrateFrom()->isChat()) {
+			if (_peer->migrateFrom()->asChat()->inviterForSpamReport > 0) {
+				UserData *user = App::userLoaded(_peer->migrateFrom()->asChat()->inviterForSpamReport);
+				if (user && user->contact > 0) {
+					_reportSpamStatus = dbiprsNoButton;
+				} else {
+					_reportSpamStatus = dbiprsShowButton;
+				}
+			} else {
+				_reportSpamStatus = dbiprsNoButton;
+			}
+		} else if (!_peer->asChannel()->inviter || _history->asChannelHistory()->maxReadMessageDate().isNull()) {
 			_reportSpamStatus = dbiprsUnknown;
 		} else if (_peer->asChannel()->inviter > 0) {
 			UserData *user = App::userLoaded(_peer->asChannel()->inviter);
@@ -5518,6 +5566,9 @@ void HistoryWidget::onReportSpamClear() {
 		MTP::send(MTPmessages_DeleteChatUser(_clearPeer->asChat()->inputChat, App::self()->inputUser), App::main()->rpcDone(&MainWidget::deleteHistoryAfterLeave, _clearPeer), App::main()->rpcFail(&MainWidget::leaveChatFailed, _clearPeer));
 	} else if (_clearPeer->isChannel()) {
 		App::main()->showDialogs();
+		if (_clearPeer->migrateFrom()) {
+			App::main()->deleteConversation(_clearPeer->migrateFrom());
+		}
 		MTP::send(MTPchannels_LeaveChannel(_clearPeer->asChannel()->inputChannel), App::main()->rpcDone(&MainWidget::sentUpdatesReceived));
 	}
 }

Telegram/SourceFiles/historywidget.h

@@ -96,6 +96,7 @@ public:
 	int32 itemTop(const HistoryItem *item) const; // -1 if should not be visible, -2 if bad history()
 
 	void notifyIsBotChanged();
+	void notifyMigrateUpdated();
 
 	~HistoryInner();
 	
@@ -528,7 +529,7 @@ public:
 
 	void fastShowAtEnd(History *h);
 	void applyDraft(bool parseLinks = true);
-	void showHistory(const PeerId &peer, MsgId showAtMsgId);
+	void showHistory(const PeerId &peer, MsgId showAtMsgId, bool reload = false);
 	void clearDelayedShowAt();
 	void clearAllLoadRequests();
 
@@ -559,6 +560,7 @@ public:
 
 	void notifyBotCommandsChanged(UserData *user);
 	void notifyUserIsBotChanged(UserData *user);
+	void notifyMigrateUpdated(PeerData *peer);
 
 	~HistoryWidget();
 
@@ -654,6 +656,7 @@ public slots:
 	void onDraftSave(bool delayed = false);
 
 	void updateStickers();
+	void updateField();
 
 	void onRecordError();
 	void onRecordDone(QByteArray result, qint32 samples);
@@ -671,7 +674,6 @@ private:
 	void drawField(Painter &p);
 	void drawRecordButton(Painter &p);
 	void drawRecording(Painter &p);
-	void updateField();
 
 	DBIPeerReportSpamStatus _reportSpamStatus;
 	void updateReportSpamStatus();

Telegram/SourceFiles/mainwidget.cpp

@@ -682,12 +682,16 @@ void MainWidget::updateStickers() {
 	history.updateStickers();
 }
 
+void MainWidget::notifyBotCommandsChanged(UserData *bot) {
+	history.notifyBotCommandsChanged(bot);
+}
+
 void MainWidget::notifyUserIsBotChanged(UserData *bot) {
 	history.notifyUserIsBotChanged(bot);
 }
 
-void MainWidget::notifyBotCommandsChanged(UserData *bot) {
+void MainWidget::notifyMigrateUpdated(PeerData *peer) {
-	history.notifyBotCommandsChanged(bot);
+	history.notifyMigrateUpdated(peer);
 }
 
 void MainWidget::onUpdateMuted() {
@@ -919,6 +923,15 @@ void MainWidget::deleteConversation(PeerData *peer, bool deleteHistory) {
 	}
 	if (History *h = App::historyLoaded(peer->id)) {
 		removeDialog(h);
+		if (peer->isMegagroup() && peer->asChannel()->mgInfo->migrateFromPtr) {
+			if (History *migrated = App::historyLoaded(peer->asChannel()->mgInfo->migrateFromPtr->id)) {
+				if (migrated->lastMsg) { // return initial dialog
+					migrated->setLastMessage(migrated->lastMsg);
+				} else {
+					checkPeerHistory(migrated->peer);
+				}
+			}
+		}
 		h->clear();
 		h->newLoaded = true;
 		h->oldLoaded = deleteHistory;

Telegram/SourceFiles/mainwidget.h

@@ -386,6 +386,7 @@ public:
 	void updateStickers();
 	void notifyBotCommandsChanged(UserData *bot);
 	void notifyUserIsBotChanged(UserData *bot);
+	void notifyMigrateUpdated(PeerData *peer);
 
 	void choosePeer(PeerId peerId, MsgId showAtMsgId); // does offerPeer or showPeerHistory
 	void clearBotStartToken(PeerData *peer);

Telegram/SourceFiles/overviewwidget.cpp

@@ -2007,6 +2007,11 @@ void OverviewInner::switchType(MediaOverviewType type) {
 		} else {
 			_search.hide();
 		}
+		if (!_search.getLastText().isEmpty()) {
+			_search.setText(QString());
+			_search.updatePlaceholder();
+			onSearchUpdate();
+		}
 		_cancelSearch.hide();
 	}
 	mediaOverviewUpdated();
@@ -2146,7 +2151,7 @@ void OverviewInner::onNeedSearchMessages() {
 }
 
 void OverviewInner::onSearchUpdate() {
-	QString filterText = _search.text().trimmed();
+	QString filterText = (_type == OverviewLinks) ? _search.text().trimmed() : QString();
 	bool inSearch = !filterText.isEmpty(), changed = (inSearch != _inSearch);
 	_inSearch = inSearch;
 

Telegram/SourceFiles/profilewidget.cpp

@@ -535,7 +535,7 @@ void ProfileInner::onFullPeerUpdated(PeerData *peer) {
 		}
 	} else if (_peerChat) {
 		updateInvitationLink();
-		_showMigrate = (_peerChat && _amCreator && !_peerChat->isMigrated() && _peerChat->count >= 3);
+		_showMigrate = (_peerChat && _amCreator && !_peerChat->isMigrated() && _peerChat->count >= cMaxGroupCount());
 		showAll();
 		resizeEvent(0);
 		_admins.setText(lng_channel_admins_link(lt_count, _peerChat->adminsEnabled() ? (_peerChat->admins.size() + 1) : 0));
@@ -595,7 +595,7 @@ void ProfileInner::peerUpdated(PeerData *data) {
 		} else if (_peerChat) {
 			if (_peerChat->photoId && _peerChat->photoId != UnknownPeerPhotoId) photo = App::photo(_peerChat->photoId);
 			_admins.setText(lng_channel_admins_link(lt_count, _peerChat->adminsEnabled() ? (_peerChat->admins.size() + 1) : 0));
-			_showMigrate = (_peerChat && _amCreator && !_peerChat->isMigrated() && _peerChat->count >= 3);
+			_showMigrate = (_peerChat && _amCreator && !_peerChat->isMigrated() && _peerChat->count >= cMaxGroupCount());
 			if (App::main()) App::main()->topBar()->showAll();
 		} else if (_peerChannel) {
 			if (_peerChannel->photoId && _peerChannel->photoId != UnknownPeerPhotoId) photo = App::photo(_peerChannel->photoId);

Telegram/SourceFiles/structs.h

@@ -526,7 +526,7 @@ private:
 };
 
 struct MegagroupInfo {
-	MegagroupInfo() : botStatus(0), migrateFromPtr(0), lastParticipantsStatus(LastParticipantsUpToDate), lastParticipantsCount(0) {
+	MegagroupInfo() : botStatus(0), joinedMessageFound(false), migrateFromPtr(0), lastParticipantsStatus(LastParticipantsUpToDate), lastParticipantsCount(0) {
 	}
 	typedef QList<UserData*> LastParticipants;
 	LastParticipants lastParticipants;
@@ -538,6 +538,8 @@ struct MegagroupInfo {
 	Bots bots;
 	int32 botStatus; // -1 - no bots, 0 - unknown, 1 - one bot, that sees all history, 2 - other
 
+	bool joinedMessageFound;
+
 	enum LastParticipantsStatus {
 		LastParticipantsUpToDate       = 0x00,
 		LastParticipantsAdminsOutdated = 0x01,

Telegram/SourceFiles/window.cpp

@@ -980,7 +980,7 @@ QRect Window::iconRect() const {
 
 bool Window::eventFilter(QObject *obj, QEvent *evt) {
 	QEvent::Type t = evt->type();
-	if (t == QEvent::MouseButtonPress || t == QEvent::KeyPress || t == QEvent::TouchBegin) {
+	if (t == QEvent::MouseButtonPress || t == QEvent::KeyPress || t == QEvent::TouchBegin || t == QEvent::Wheel) {
 		psUserActionDone();
 	} else if (t == QEvent::MouseMove) {
 		if (main && main->isIdle()) {