chat admins edit done

2025-08-31 06:26:18 +00:00 · 2015-10-30 11:57:22 -04:00
parent 69f6a1ee79
commit 550ccef09a
11 changed files with 392 additions and 122 deletions
--- a/Telegram/SourceFiles/boxes/contactsbox.cpp
+++ b/Telegram/SourceFiles/boxes/contactsbox.cpp
@@ -39,9 +39,10 @@ ContactsInner::ContactsInner(CreatingGroupType creating) : TWidget()
 , _newItemSel(false)
 , _chat(0)
 , _channel(0)
-, _channelFilter(MembersFilterRecent)
+, _membersFilter(MembersFilterRecent)
 , _bot(0)
 , _creating(creating)
+, _allAdmins(this, lang(lng_chat_all_members_admins), false, st::contactsAdminCheckbox)
 , _addToChat(0)
 , _addAdmin(0)
 , _addAdminRequestId(0)
@@ -53,20 +54,22 @@ ContactsInner::ContactsInner(CreatingGroupType creating) : TWidget()
 , _selCount(0)
 , _searching(false)
 , _byUsernameSel(-1)
-, _addContactLnk(this, lang(lng_add_contact_button)) {
+, _addContactLnk(this, lang(lng_add_contact_button))
+, _saving(false) {
 	init();
 }

-ContactsInner::ContactsInner(ChannelData *channel, MembersFilter channelFilter, const MembersAlreadyIn &already) : TWidget()
+ContactsInner::ContactsInner(ChannelData *channel, MembersFilter membersFilter, const MembersAlreadyIn &already) : TWidget()
 , _rowHeight(st::contactsPadding.top() + st::contactsPhotoSize + st::contactsPadding.bottom())
 , _newItemHeight(0)
 , _newItemSel(false)
 , _chat(0)
 , _channel(channel)
-, _channelFilter(channelFilter)
+, _membersFilter(membersFilter)
 , _bot(0)
 , _creating(CreatingGroupChannel)
 , _already(already)
+, _allAdmins(this, lang(lng_chat_all_members_admins), false, st::contactsAdminCheckbox)
 , _addToChat(0)
 , _addAdmin(0)
 , _addAdminRequestId(0)
@@ -78,31 +81,47 @@ ContactsInner::ContactsInner(ChannelData *channel, MembersFilter channelFilter,
 , _selCount(0)
 , _searching(false)
 , _byUsernameSel(-1)
-, _addContactLnk(this, lang(lng_add_contact_button)) {
+, _addContactLnk(this, lang(lng_add_contact_button))
+, _saving(false) {
 	init();
 }

-ContactsInner::ContactsInner(ChatData *chat) : TWidget()
+namespace {
+	bool _sortByName(UserData *a, UserData *b) {
+		return a->name.compare(b->name, Qt::CaseInsensitive) < 0;
+	}
+}
+
+ContactsInner::ContactsInner(ChatData *chat, MembersFilter membersFilter) : TWidget()
 , _rowHeight(st::contactsPadding.top() + st::contactsPhotoSize + st::contactsPadding.bottom())
-, _newItemHeight(0)
+, _newItemHeight((membersFilter == MembersFilterAdmins) ? (st::contactsNewItemHeight + st::contactsAboutHeight) : 0)
 , _newItemSel(false)
 , _chat(chat)
 , _channel(0)
-, _channelFilter(MembersFilterRecent)
+, _membersFilter(membersFilter)
 , _bot(0)
 , _creating(CreatingGroupNone)
+, _allAdmins(this, lang(lng_chat_all_members_admins), !_chat->adminsEnabled(), st::contactsAdminCheckbox)
+, _aboutWidth(st::boxWideWidth - st::contactsPadding.left() - st::contactsPadding.right() - st::contactsCheckPosition.x() * 2 - st::contactsCheckIcon.pxWidth())
+, _aboutAllAdmins(st::boxTextFont, lang(lng_chat_about_all_admins), _defaultOptions, _aboutWidth)
+, _aboutAdmins(st::boxTextFont, lang(lng_chat_about_admins), _defaultOptions, _aboutWidth)
 , _addToChat(0)
 , _addAdmin(0)
 , _addAdminRequestId(0)
 , _addAdminBox(0)
-, _contacts(&App::main()->contactsList())
+, _contacts((membersFilter == MembersFilterRecent) ? (&App::main()->contactsList()) : (new DialogsIndexed(DialogsSortByAdd)))
 , _sel(0)
 , _filteredSel(-1)
 , _mouseSel(false)
 , _selCount(0)
 , _searching(false)
 , _byUsernameSel(-1)
-, _addContactLnk(this, lang(lng_add_contact_button)) {
+, _addContactLnk(this, lang(lng_add_contact_button))
+, _saving(false) {
+	initList();
+	if (membersFilter == MembersFilterAdmins && !_contacts->list.count) {
+		App::api()->requestFullPeer(_chat);
+	}
 	init();
 }

@@ -112,9 +131,10 @@ ContactsInner::ContactsInner(UserData *bot) : TWidget()
 , _newItemSel(false)
 , _chat(0)
 , _channel(0)
-, _channelFilter(MembersFilterRecent)
+, _membersFilter(MembersFilterRecent)
 , _bot(bot)
 , _creating(CreatingGroupNone)
+, _allAdmins(this, lang(lng_chat_all_members_admins), false, st::contactsAdminCheckbox)
 , _addToChat(0)
 , _addAdmin(0)
 , _addAdminRequestId(0)
@@ -126,7 +146,8 @@ ContactsInner::ContactsInner(UserData *bot) : TWidget()
 , _selCount(0)
 , _searching(false)
 , _byUsernameSel(-1)
-, _addContactLnk(this, lang(lng_add_contact_button)) {
+, _addContactLnk(this, lang(lng_add_contact_button))
+, _saving(false) {
 	DialogsIndexed &v(App::main()->dialogsList());
 	for (DialogRow *r = v.list.begin; r != v.list.end; r = r->next) {
 		if (r->history->peer->isChat() && r->history->peer->asChat()->amIn()) {
@@ -139,6 +160,7 @@ ContactsInner::ContactsInner(UserData *bot) : TWidget()
 void ContactsInner::init() {
 	connect(App::wnd(), SIGNAL(imageLoaded()), this, SLOT(update()));
 	connect(&_addContactLnk, SIGNAL(clicked()), App::wnd(), SLOT(onShowAddContact()));
+	connect(&_allAdmins, SIGNAL(changed()), this, SLOT(onAllAdminsChanged()));

 	setAttribute(Qt::WA_OpaquePaintEvent);

@@ -155,6 +177,39 @@ void ContactsInner::init() {
 	connect(App::main(), SIGNAL(peerPhotoChanged(PeerData*)), this, SLOT(peerUpdated(PeerData*)));
 }

+void ContactsInner::initList() {
+	if (!_chat || _membersFilter != MembersFilterAdmins) return;
+
+	QList<UserData*> admins, others;
+	admins.reserve(_chat->admins.size() + 1);
+	if (!_chat->participants.isEmpty()) {
+		others.reserve(_chat->participants.size());
+	}
+
+	for (ChatData::Participants::const_iterator i = _chat->participants.cbegin(), e = _chat->participants.cend(); i != e; ++i) {
+		if (i.key()->id == peerFromUser(_chat->creator)) continue;
+		if (!_allAdmins.checked() && _chat->admins.contains(i.key())) {
+			admins.push_back(i.key());
+			_checkedContacts.insert(i.key(), true);
+		} else {
+			others.push_back(i.key());
+		}
+	}
+	std::sort(admins.begin(), admins.end(), _sortByName);
+	std::sort(others.begin(), others.end(), _sortByName);
+	if (UserData *creator = App::userLoaded(_chat->creator)) {
+		if (_chat->participants.contains(creator)) {
+			admins.push_front(creator);
+		}
+	}
+	for (int32 i = 0, l = admins.size(); i < l; ++i) {
+		_contacts->addToEnd(App::history(admins.at(i)->id));
+	}
+	for (int32 i = 0, l = others.size(); i < l; ++i) {
+		_contacts->addToEnd(App::history(others.at(i)->id));
+	}
+}
+
 void ContactsInner::onPeerNameChanged(PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars) {
 	if (bot()) {
 		_contacts->peerNameChanged(peer, oldNames, oldChars);
@@ -183,6 +238,15 @@ void ContactsInner::onNoAddAdminBox(QObject *obj) {
 	}
 }

+void ContactsInner::onAllAdminsChanged() {
+	if (_saving) {
+		if (_allAdmins.checked() != _allAdminsChecked) {
+			_allAdmins.setChecked(_allAdminsChecked);
+		}
+	}
+	update();
+}
+
 void ContactsInner::addAdminDone(const MTPBool &result, mtpRequestId req) {
 	if (req != _addAdminRequestId) return;

@@ -208,8 +272,19 @@ bool ContactsInner::addAdminFail(const RPCError &error, mtpRequestId req) {
 	return true;
 }

+void ContactsInner::saving(bool flag) {
+	_saving = flag;
+	_allAdminsChecked = _allAdmins.checked();
+	update();
+}
+
 void ContactsInner::peerUpdated(PeerData *peer) {
 	if (_chat && (!peer || peer == _chat)) {
+		bool inited = false;
+		if (_membersFilter == MembersFilterAdmins && !_contacts->list.count && !_chat->participants.isEmpty()) {
+			initList();
+			inited = true;
+		}
 		if (!_chat->amIn()) {
 			App::wnd()->hideLayer();
 		} else if (!_chat->participants.isEmpty() || _chat->count <= 0) {
@@ -226,6 +301,10 @@ void ContactsInner::peerUpdated(PeerData *peer) {
 				}
 			}
 		}
+		if (inited) {
+			_filter += 'a';
+			updateFilter(_lastQuery);
+		}
 		update();
 	} else {
 		ContactsData::iterator i = _contactsData.find(peer);
@@ -291,7 +370,11 @@ ContactsInner::ContactData *ContactsInner::contactData(DialogRow *row) {
 			_contactsData.insert(peer, data = new ContactData());
 			if (peer->isUser()) {
 				if (_chat) {
-					data->inchat = _chat->participants.contains(peer->asUser());
+					if (_membersFilter == MembersFilterRecent) {
+						data->inchat = _chat->participants.contains(peer->asUser());
+					} else {
+						data->inchat = false;
+					}
 				} else if (_creating == CreatingGroupGroup) {
 					data->inchat = (peerToUser(peer->id) == MTP::authedId());
 				} else if (_channel) {
@@ -327,15 +410,21 @@ ContactsInner::ContactData *ContactsInner::contactData(DialogRow *row) {
 void ContactsInner::paintDialog(Painter &p, PeerData *peer, ContactData *data, bool sel) {
 	UserData *user = peer->asUser();

-	if (data->inchat || data->check || selectedCount() >= cMaxGroupCount()) {
-		sel = false;
+	bool inverse = data->inchat || data->check;
+	if (_chat && _membersFilter == MembersFilterAdmins) {
+		inverse = false;
+		if (_allAdmins.checked() || peer->id == peerFromUser(_chat->creator) || _saving) {
+			sel = false;
+		}
+	} else {
+		if (data->inchat || data->check || selectedCount() >= cMaxGroupCount()) {
+			sel = false;
+		}
 	}
-
-	p.fillRect(0, 0, width(), _rowHeight, ((data->inchat || data->check) ? st::contactsBgActive : (sel ? st::contactsBgOver : st::white))->b);
+	p.fillRect(0, 0, width(), _rowHeight, inverse ? st::contactsBgActive : (sel ? st::contactsBgOver : st::white));
+	p.setPen(inverse ? st::white : st::black);
 	p.drawPixmapLeft(st::contactsPadding.left(), st::contactsPadding.top(), width(), peer->photo->pix(st::contactsPhotoSize));

-	p.setPen((data->inchat || data->check) ? st::white : st::black);
-
 	int32 namex = st::contactsPadding.left() + st::contactsPhotoSize + st::contactsPadding.left();
 	int32 iconw = (_chat || _creating != CreatingGroupNone) ? (st::contactsCheckPosition.x() * 2 + st::contactsCheckIcon.pxWidth()) : 0;
 	int32 namew = width() - namex - st::contactsPadding.right() - iconw;
@@ -345,8 +434,14 @@ void ContactsInner::paintDialog(Painter &p, PeerData *peer, ContactData *data, b
 	}
 	data->name.drawLeftElided(p, namex, st::contactsPadding.top() + st::contactsNameTop, namew, width());

-	if (_chat || (_creating != CreatingGroupNone && (!_channel || _channelFilter != MembersFilterAdmins))) {
-		if (sel || data->check) {
+	if (_chat || (_creating != CreatingGroupNone && (!_channel || _membersFilter != MembersFilterAdmins))) {
+		if (_chat && _membersFilter == MembersFilterAdmins) {
+			if (sel || data->check || peer->id == peerFromUser(_chat->creator) || _allAdmins.checked()) {
+				if (!data->check || peer->id == peerFromUser(_chat->creator) || _allAdmins.checked()) p.setOpacity(0.5);
+				p.drawSpriteRight(st::contactsPadding.right() + st::contactsCheckPosition.x(), st::contactsPadding.top() + st::contactsCheckPosition.y(), width(), st::contactsCheckIcon);
+				if (!data->check || peer->id == peerFromUser(_chat->creator) || _allAdmins.checked()) p.setOpacity(1);
+			}
+		} else if (sel || data->check) {
 			p.drawSpriteRight(st::contactsPadding.right() + st::contactsCheckPosition.x(), st::contactsPadding.top() + st::contactsCheckPosition.y(), width(), (data->check ? st::contactsCheckActiveIcon : st::contactsCheckIcon));
 		}
 	}
@@ -369,7 +464,7 @@ void ContactsInner::paintDialog(Painter &p, PeerData *peer, ContactData *data, b
 			p.drawTextLeft(namex + w, st::contactsPadding.top() + st::contactsStatusTop, width() + w, second);
 		}
 	} else {
-		if (data->inchat || data->check) {
+		if (inverse) {
 			p.setPen(st::white);
 		} else if ((user && (uname || App::onlineColorUse(user, _time))) || (peer->isChannel() && uname)) {
 			p.setPen(st::contactsStatusFgOnline);
@@ -392,12 +487,21 @@ void ContactsInner::paintEvent(QPaintEvent *e) {
 	if (_filter.isEmpty()) {
 		if (_contacts->list.count || !_byUsername.isEmpty()) {
 			if (_newItemHeight) {
-				p.fillRect(0, 0, width(), _newItemHeight, (_newItemSel ? st::contactsBgOver : st::white)->b);
-				p.drawSpriteLeft(st::contactsNewItemIconPosition.x(), st::contactsNewItemIconPosition.y(), width(), st::contactsNewItemIcon);
-				p.setFont(st::contactsNameFont);
-				p.setPen(st::contactsNewItemFg);
-				p.drawTextLeft(st::contactsPadding.left() + st::contactsPhotoSize + st::contactsPadding.left(), st::contactsNewItemTop, width(), lang(lng_add_contact_button));
-
+				if (_chat) {
+					p.fillRect(0, 0, width(), _newItemHeight - st::contactsPadding.bottom() - st::lineWidth, st::contactsAboutBg);
+					p.fillRect(0, _newItemHeight - st::contactsPadding.bottom() - st::lineWidth, width(), st::lineWidth, st::shadowColor);
+					p.setPen(st::black);
+					p.drawTextLeft(st::contactsPadding.left(), st::contactsNewItemTop, width(), lang(lng_chat_all_members_admins));
+					int32 iconw = st::contactsCheckPosition.x() * 2 + st::contactsCheckIcon.pxWidth();
+					int32 aboutw = width() - st::contactsPadding.left() - st::contactsPadding.right() - iconw;
+					(_allAdmins.checked() ? _aboutAllAdmins : _aboutAdmins).draw(p, st::contactsPadding.left(), st::contactsNewItemHeight + st::contactsAboutTop, aboutw);
+				} else {
+					p.fillRect(0, 0, width(), st::contactsNewItemHeight, (_newItemSel ? st::contactsBgOver : st::white)->b);
+					p.setFont(st::contactsNameFont);
+					p.drawSpriteLeft(st::contactsNewItemIconPosition.x(), st::contactsNewItemIconPosition.y(), width(), st::contactsNewItemIcon);
+					p.setPen(st::contactsNewItemFg);
+					p.drawTextLeft(st::contactsPadding.left() + st::contactsPhotoSize + st::contactsPadding.left(), st::contactsNewItemTop, width(), lang(lng_add_contact_button));
+				}
 				yFrom -= _newItemHeight;
 				yTo -= _newItemHeight;
 				p.translate(0, _newItemHeight);
@@ -434,18 +538,28 @@ void ContactsInner::paintEvent(QPaintEvent *e) {
 				}
 			}
 		} else {
-			p.setFont(st::noContactsFont->f);
-			p.setPen(st::noContactsColor->p);
 			QString text;
 			int32 skip = 0;
 			if (bot()) {
 				text = lang(cDialogsReceived() ? lng_bot_no_groups : lng_contacts_loading);
+			} else if (_chat && _membersFilter == MembersFilterAdmins) {
+				text = lang(lng_contacts_loading);
+				p.fillRect(0, 0, width(), _newItemHeight - st::contactsPadding.bottom() - st::lineWidth, st::contactsAboutBg);
+				p.fillRect(0, _newItemHeight - st::contactsPadding.bottom() - st::lineWidth, width(), st::lineWidth, st::shadowColor);
+				p.setPen(st::black);
+				p.drawTextLeft(st::contactsPadding.left(), st::contactsNewItemTop, width(), lang(lng_chat_all_members_admins));
+				int32 iconw = st::contactsCheckPosition.x() * 2 + st::contactsCheckIcon.pxWidth();
+				int32 aboutw = width() - st::contactsPadding.left() - st::contactsPadding.right() - iconw;
+				(_allAdmins.checked() ? _aboutAllAdmins : _aboutAdmins).draw(p, st::contactsPadding.left(), st::contactsNewItemHeight + st::contactsAboutTop, aboutw);
+				p.translate(0, _newItemHeight);
 			} else if (cContactsReceived() && !_searching) {
 				text = lang(lng_no_contacts);
 				skip = st::noContactsFont->height;
 			} else {
 				text = lang(lng_contacts_loading);
 			}
+			p.setFont(st::noContactsFont->f);
+			p.setPen(st::noContactsColor->p);
 			p.drawText(QRect(0, 0, width(), st::noContactsHeight - skip), text, style::al_center);
 		}
 	} else {
@@ -455,6 +569,8 @@ void ContactsInner::paintEvent(QPaintEvent *e) {
 			QString text;
 			if (bot()) {
 				text = lang(cDialogsReceived() ? lng_bot_groups_not_found : lng_contacts_loading);
+			} else if (_chat && _membersFilter == MembersFilterAdmins) {
+				text = lang(_chat->participants.isEmpty() ? lng_contacts_loading : lng_contacts_not_found);
 			} else {
 				text = lang((cContactsReceived() && !_searching) ? lng_contacts_not_found : lng_contacts_loading);
 			}
@@ -497,7 +613,7 @@ void ContactsInner::enterEvent(QEvent *e) {
 void ContactsInner::updateSelectedRow() {
 	if (_filter.isEmpty()) {
 		if (_newItemSel) {
-			update(0, 0, width(), _newItemHeight);
+			update(0, 0, width(), st::contactsNewItemHeight);
 		}
 		if (_sel) {
 			update(0, _newItemHeight + _sel->pos * _rowHeight, width(), _rowHeight);
@@ -542,7 +658,8 @@ void ContactsInner::mousePressEvent(QMouseEvent *e) {
 }

 void ContactsInner::chooseParticipant() {
-	bool addingAdmin = (_channel && _channelFilter == MembersFilterAdmins);
+	if (_saving) return;
+	bool addingAdmin = (_channel && _membersFilter == MembersFilterAdmins);
 	if (!addingAdmin && (_chat || _creating != CreatingGroupNone)) {
 		_time = unixtime();
 		if (_filter.isEmpty()) {
@@ -668,7 +785,7 @@ void ContactsInner::updateSel() {
 	if (_filter.isEmpty()) {
 		bool newItemSel = false;
 		if (_newItemHeight) {
-			if (in && (p.y() >= 0) && (p.y() < _newItemHeight)) {
+			if (in && (p.y() >= 0) && (p.y() < _newItemHeight) && !(_chat && _membersFilter == MembersFilterAdmins)) {
 				newItemSel = true;
 			}
 			p.setY(p.y() - _newItemHeight);
@@ -729,6 +846,7 @@ void ContactsInner::updateFilter(QString filter) {
 			refresh();
 		} else {
 			if (!_addContactLnk.isHidden()) _addContactLnk.hide();
+			if (!_allAdmins.isHidden()) _allAdmins.hide();
 			QStringList::const_iterator fb = f.cbegin(), fe = f.cend(), fi;

 			_filtered.clear();
@@ -808,7 +926,7 @@ void ContactsInner::updateFilter(QString filter) {
 			_mouseSel = false;
 			refresh();

-			if (!bot()) {
+			if (!bot() && (!_chat || _membersFilter != MembersFilterAdmins)) {
 				_searching = true;
 				emit searchByUsername();
 			}
@@ -864,7 +982,7 @@ void ContactsInner::peopleReceived(const QString &query, const QVector<MTPPeer>

 			if ((!p->isUser() || (p->asUser()->botInfo && p->asUser()->botInfo->cantJoinGroups)) && (_chat || _creating == CreatingGroupGroup)) continue; // skip bot's that can't be invited to groups
 			if (_channel && !p->isUser()) continue;
-			if (p->isUser() && p->asUser()->botInfo && _channel && _channelFilter != MembersFilterAdmins) continue; // skip bots in channels
+			if (p->isUser() && p->asUser()->botInfo && _channel && _membersFilter != MembersFilterAdmins) continue; // skip bots in channels

 			ContactData *d = new ContactData();
 			_byUsernameDatas.push_back(d);
@@ -883,9 +1001,17 @@ void ContactsInner::peopleReceived(const QString &query, const QVector<MTPPeer>

 void ContactsInner::refresh() {
 	if (_filter.isEmpty()) {
+		if (_chat && _membersFilter == MembersFilterAdmins) {
+			if (_allAdmins.isHidden()) _allAdmins.show();
+		} else {
+			if (!_allAdmins.isHidden()) _allAdmins.hide();
+		}
 		if (_contacts->list.count || !_byUsername.isEmpty()) {
 			if (!_addContactLnk.isHidden()) _addContactLnk.hide();
 			resize(width(), _newItemHeight + (_contacts->list.count * _rowHeight) + (_byUsername.isEmpty() ? 0 : (st::searchedBarHeight + _byUsername.size() * _rowHeight)));
+		} else if (_chat && _membersFilter == MembersFilterAdmins) {
+			if (!_addContactLnk.isHidden()) _addContactLnk.hide();
+			resize(width(), _newItemHeight + st::noContactsHeight);
 		} else {
 			if (cContactsReceived() && !bot()) {
 				if (_addContactLnk.isHidden()) _addContactLnk.show();
@@ -895,6 +1021,7 @@ void ContactsInner::refresh() {
 			resize(width(), st::noContactsHeight);
 		}
 	} else {
+		if (!_allAdmins.isHidden()) _allAdmins.hide();
 		if (_filtered.isEmpty() && _byUsernameFiltered.isEmpty()) {
 			if (!_addContactLnk.isHidden()) _addContactLnk.hide();
 			resize(width(), st::noContactsHeight);
@@ -913,8 +1040,8 @@ ChannelData *ContactsInner::channel() const {
 	return _channel;
 }

-MembersFilter ContactsInner::channelFilter() const {
-	return _channelFilter;
+MembersFilter ContactsInner::membersFilter() const {
+	return _membersFilter;
 }

 UserData *ContactsInner::bot() const {
@@ -929,14 +1056,15 @@ ContactsInner::~ContactsInner() {
 	for (ContactsData::iterator i = _contactsData.begin(), e = _contactsData.end(); i != e; ++i) {
 		delete *i;
 	}
-	if (_bot) {
+	if (_bot || (_chat && _membersFilter == MembersFilterAdmins)) {
 		delete _contacts;
-		if (_bot->botInfo) _bot->botInfo->startGroupToken = QString();
+		if (_bot && _bot->botInfo) _bot->botInfo->startGroupToken = QString();
 	}
 }

 void ContactsInner::resizeEvent(QResizeEvent *e) {
 	_addContactLnk.move((width() - _addContactLnk.width()) / 2, (st::noContactsHeight + st::noContactsFont->height) / 2);
+	_allAdmins.moveToLeft(st::contactsPadding.left(), st::contactsNewItemTop);
 }

 void ContactsInner::selectSkip(int32 dir) {
@@ -957,7 +1085,7 @@ void ContactsInner::selectSkip(int32 dir) {
 		}
 		cur += dir;
 		if (cur <= 0) {
-			_newItemSel = _newItemHeight ? true : false;
+			_newItemSel = (_chat && _membersFilter == MembersFilterAdmins) ? false : (_newItemHeight ? true : false);
 			_sel = (!_newItemHeight && _contacts->list.count) ? _contacts->list.begin : 0;
 			_byUsernameSel = (!_newItemHeight && !_contacts->list.count && !_byUsername.isEmpty()) ? 0 : -1;
 		} else if (cur >= _contacts->list.count + (_newItemHeight ? 1 : 0)) {
@@ -1138,7 +1266,7 @@ ContactsBox::ContactsBox() : ItemListBox(st::contactsScroll)
 , _cancel(this, lang(lng_cancel), st::cancelBoxButton)
 , _topShadow(this)
 , _bottomShadow(0)
-, _creationRequestId(0) {
+, _saveRequestId(0) {
 	init();
 }

@@ -1150,21 +1278,21 @@ ContactsBox::ContactsBox(const QString &name, const QImage &photo) : ItemListBox
 , _cancel(this, lang(lng_create_group_back), st::cancelBoxButton)
 , _topShadow(this)
 , _bottomShadow(0)
-, _creationRequestId(0)
+, _saveRequestId(0)
 , _creationName(name)
 , _creationPhoto(photo) {
 	init();
 }

 ContactsBox::ContactsBox(ChannelData *channel) : ItemListBox(st::boxScroll)
-, _inner(channel)
+, _inner(channel, MembersFilterRecent, MembersAlreadyIn())
 , _filter(this, st::boxSearchField, lang(lng_participant_filter))
 , _filterCancel(this, st::boxSearchCancel)
 , _next(this, lang(lng_participant_invite), st::defaultBoxButton)
 , _cancel(this, lang(lng_create_group_skip), st::cancelBoxButton)
 , _topShadow(this)
 , _bottomShadow(0)
-, _creationRequestId(0) {
+, _saveRequestId(0) {
 	init();
 }

@@ -1176,19 +1304,19 @@ ContactsBox::ContactsBox(ChannelData *channel, MembersFilter filter, const Membe
 , _cancel(this, lang(lng_cancel), st::cancelBoxButton)
 , _topShadow(this)
 , _bottomShadow(0)
-, _creationRequestId(0) {
+, _saveRequestId(0) {
 	init();
 }

-ContactsBox::ContactsBox(ChatData *chat) : ItemListBox(st::boxScroll)
-, _inner(chat)
+ContactsBox::ContactsBox(ChatData *chat, MembersFilter filter) : ItemListBox(st::boxScroll)
+, _inner(chat, filter)
 , _filter(this, st::boxSearchField, lang(lng_participant_filter))
 , _filterCancel(this, st::boxSearchCancel)
-, _next(this, lang(lng_participant_invite), st::defaultBoxButton)
+, _next(this, lang((filter == MembersFilterAdmins) ? lng_settings_save : lng_participant_invite), st::defaultBoxButton)
 , _cancel(this, lang(lng_cancel), st::cancelBoxButton)
 , _topShadow(this)
 , _bottomShadow(0)
-, _creationRequestId(0) {
+, _saveRequestId(0) {
 	init();
 }

@@ -1200,21 +1328,24 @@ ContactsBox::ContactsBox(UserData *bot) : ItemListBox(st::contactsScroll)
 , _cancel(this, lang(lng_cancel), st::cancelBoxButton)
 , _topShadow(this)
 , _bottomShadow(0)
-, _creationRequestId(0) {
+, _saveRequestId(0) {
 	init();
 }

 void ContactsBox::init() {
-	bool inviting = (_inner.creating() == CreatingGroupGroup) || (_inner.channel() && _inner.channelFilter() == MembersFilterRecent) || _inner.chat();
+	bool inviting = (_inner.creating() == CreatingGroupGroup) || (_inner.channel() && _inner.membersFilter() == MembersFilterRecent) || _inner.chat();
 	int32 topSkip = st::boxTitleHeight + _filter.height();
 	int32 bottomSkip = inviting ? (st::boxButtonPadding.top() + _next.height() + st::boxButtonPadding.bottom()) : st::boxScrollSkip;
 	ItemListBox::init(&_inner, bottomSkip, topSkip);

 	connect(&_inner, SIGNAL(chosenChanged()), this, SLOT(onChosenChanged()));
 	connect(&_inner, SIGNAL(addRequested()), App::wnd(), SLOT(onShowAddContact()));
-	if (_inner.channel() && _inner.channelFilter() == MembersFilterAdmins) {
+	if (_inner.channel() && _inner.membersFilter() == MembersFilterAdmins) {
 		_next.hide();
 		_cancel.hide();
+	} else if (_inner.chat() && _inner.membersFilter() == MembersFilterAdmins) {
+		connect(&_next, SIGNAL(clicked()), this, SLOT(onSaveAdmins()));
+		_bottomShadow = new ScrollableBoxShadow(this);
 	} else if (_inner.chat() || _inner.channel()) {
 		connect(&_next, SIGNAL(clicked()), this, SLOT(onInvite()));
 		_bottomShadow = new ScrollableBoxShadow(this);
@@ -1328,7 +1459,7 @@ void ContactsBox::showAll() {
 	} else {
 		_filterCancel.show();
 	}
-	if (_inner.channel() && _inner.channelFilter() == MembersFilterAdmins) {
+	if (_inner.channel() && _inner.membersFilter() == MembersFilterAdmins) {
 		_next.hide();
 		_cancel.hide();
 	} else if (_inner.chat() || _inner.channel()) {
@@ -1378,8 +1509,10 @@ void ContactsBox::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 	if (paint(p)) return;

-	bool addingAdmin = _inner.channel() && _inner.channelFilter() == MembersFilterAdmins;
-	if (_inner.chat() || _inner.creating() != CreatingGroupNone) {
+	bool addingAdmin = _inner.channel() && _inner.membersFilter() == MembersFilterAdmins;
+	if (_inner.chat() && _inner.membersFilter() == MembersFilterAdmins) {
+		paintTitle(p, lang(lng_channel_admins));
+	} else if (_inner.chat() || _inner.creating() != CreatingGroupNone) {
 		QString title(lang(addingAdmin ? lng_channel_add_admin : lng_profile_add_participant));
 		QString additional(addingAdmin ? QString() : QString("%1 / %2").arg(_inner.selectedCount()).arg(cMaxGroupCount()));
 		paintTitle(p, title, additional);
@@ -1444,7 +1577,7 @@ void ContactsBox::onInvite() {
 }

 void ContactsBox::onCreate() {
-	if (_creationRequestId) return;
+	if (_saveRequestId) return;

 	MTPVector<MTPInputUser> users(MTP_vector<MTPInputUser>(_inner.selectedInputs()));
 	const QVector<MTPInputUser> &v(users.c_vector().v);
@@ -1453,7 +1586,101 @@ void ContactsBox::onCreate() {
 		_filter.showError();
 		return;
 	}
-	_creationRequestId = MTP::send(MTPmessages_CreateChat(MTP_vector<MTPInputUser>(v), MTP_string(_creationName)), rpcDone(&ContactsBox::creationDone), rpcFail(&ContactsBox::creationFail));
+	_saveRequestId = MTP::send(MTPmessages_CreateChat(MTP_vector<MTPInputUser>(v), MTP_string(_creationName)), rpcDone(&ContactsBox::creationDone), rpcFail(&ContactsBox::creationFail));
+}
+
+void ContactsBox::onSaveAdmins() {
+	if (_saveRequestId) return;
+
+	_inner.saving(true);
+	_saveRequestId = MTP::send(MTPmessages_ToggleChatAdmins(_inner.chat()->inputChat, MTP_bool(!_inner.allAdmins())), rpcDone(&ContactsBox::saveAdminsDone), rpcFail(&ContactsBox::saveAdminsFail));
+}
+
+void ContactsBox::saveAdminsDone(const MTPUpdates &result) {
+	App::main()->sentUpdatesReceived(result);
+	saveSelectedAdmins();
+}
+
+void ContactsBox::saveSelectedAdmins() {
+	if (_inner.allAdmins() && !_inner.chat()->participants.isEmpty()) {
+		onClose();
+	} else {
+		_saveRequestId = MTP::send(MTPmessages_GetFullChat(_inner.chat()->inputChat), rpcDone(&ContactsBox::getAdminsDone), rpcFail(&ContactsBox::saveAdminsFail));
+	}
+}
+
+void ContactsBox::getAdminsDone(const MTPmessages_ChatFull &result) {
+	App::api()->processFullPeer(_inner.chat(), result);
+	if (_inner.allAdmins()) {
+		onClose();
+		return;
+	}
+	ChatData::Admins curadmins = _inner.chat()->admins;
+	QVector<UserData*> newadmins = _inner.selected(), appoint;
+	if (!newadmins.isEmpty()) {
+		appoint.reserve(newadmins.size());
+		for (int32 i = 0, l = newadmins.size(); i < l; ++i) {
+			ChatData::Admins::iterator c = curadmins.find(newadmins.at(i));
+			if (c == curadmins.cend()) {
+				if (newadmins.at(i)->id != peerFromUser(_inner.chat()->creator)) {
+					appoint.push_back(newadmins.at(i));
+				}
+			} else {
+				curadmins.erase(c);
+			}
+		}
+	}
+	_saveRequestId = 0;
+	for (ChatData::Admins::const_iterator i = curadmins.cbegin(), e = curadmins.cend(); i != e; ++i) {
+		MTP::send(MTPmessages_EditChatAdmin(_inner.chat()->inputChat, i.key()->inputUser, MTP_boolFalse()), rpcDone(&ContactsBox::removeAdminDone, i.key()), rpcFail(&ContactsBox::editAdminFail), 0, (appoint.isEmpty() && i + 1 == e) ? 0 : 10);
+	}
+	for (int32 i = 0, l = appoint.size(); i < l; ++i) {
+		MTP::send(MTPmessages_EditChatAdmin(_inner.chat()->inputChat, appoint.at(i)->inputUser, MTP_boolTrue()), rpcDone(&ContactsBox::setAdminDone, appoint.at(i)), rpcFail(&ContactsBox::editAdminFail), 0, (i + 1 == l) ? 0 : 10);
+	}
+	_saveRequestId = curadmins.size() + appoint.size();
+	if (!_saveRequestId) {
+		onClose();
+	}
+}
+
+void ContactsBox::setAdminDone(UserData *user, const MTPBool &result) {
+	if (mtpIsTrue(result)) {
+		_inner.chat()->admins.insert(user, true);
+	}
+	--_saveRequestId;
+	if (!_saveRequestId) {
+		emit App::main()->peerUpdated(_inner.chat());
+		onClose();
+	}
+}
+
+void ContactsBox::removeAdminDone(UserData *user, const MTPBool &result) {
+	if (mtpIsTrue(result)) {
+		_inner.chat()->admins.remove(user);
+	}
+	--_saveRequestId;
+	if (!_saveRequestId) {
+		emit App::main()->peerUpdated(_inner.chat());
+		onClose();
+	}
+}
+
+bool ContactsBox::saveAdminsFail(const RPCError &error) {
+	if (mtpIsFlood(error)) return true;
+	_saveRequestId = 0;
+	_inner.saving(false);
+	if (error.type() == qstr("CHAT_NOT_MODIFIED")) {
+		saveSelectedAdmins();
+	}
+	return false;
+}
+
+bool ContactsBox::editAdminFail(const RPCError &error) {
+	if (mtpIsFlood(error)) return true;
+	--_saveRequestId;
+	_inner.chat()->invalidateParticipants(false);
+	if (!_saveRequestId) onClose();
+	return false;
 }

 void ContactsBox::onScroll() {
@@ -1488,7 +1715,7 @@ void ContactsBox::creationDone(const MTPUpdates &updates) {
 bool ContactsBox::creationFail(const RPCError &error) {
 	if (mtpIsFlood(error)) return false;

-	_creationRequestId = 0;
+	_saveRequestId = 0;
 	if (error.type() == "NO_CHAT_TITLE") {
 		emit closed();
 		return true;