version 0.5.6 with serverside messages search, win version only

Telegram/Resources/lang.txt

@@ -122,6 +122,8 @@ lng_signup_firstname: "First Name";
 lng_signup_lastname: "Last Name";
 
 lng_dlg_filter: "Search";
+lng_dlg_conversations: "Conversations";
+lng_dlg_messages: "Messages";
 lng_dlg_new_group_name: "Group name";
 lng_dlg_create_group: "Create";
 

Telegram/Resources/style.txt

@@ -153,11 +153,12 @@ btnDefBig: flatButton(btnDefFlat) {
 	overFont: font(23px);
 	height: 56px;
 }
+btnNextBG: #2fa9e2;
 btnDefNext: flatButton(btnDefFlat) {
 	color: white;
 	overColor: white;
 	downColor: white;
-	bgColor: #2fa9e2;
+	bgColor: btnNextBG;
 	overBgColor: #279ad0;
 	downBgColor: #279ad0;
 }
@@ -593,6 +594,23 @@ dlgPaddingVer: 8px;
 dlgHeight: 62px;
 dlgPhotoPadding: 12px;
 
+dlgState: switcher {
+	border: 2px;
+	borderColor: btnNextBG;
+
+	bgColor: #fff;
+	bgHovered: btnWhiteHover;
+	bgActive: btnNextBG;
+
+	height: 34px;
+
+	font: font(fsize);
+	textColor: btnYesColor;
+	activeColor: #fff;
+
+	duration: 200;
+}
+
 dlgSep: 8px;
 
 dlgShadowColor: rgba(0, 0, 0, 24);//#ebebeb
@@ -709,6 +727,24 @@ topBarActionSkip: 13px;
 topBarSelectedPos: point(18px, 18px); 
 
 historyBG: #dfe4e8;
+
+historyToEnd: iconedButton(btnDefIconed) {
+	bgColor: transparent;
+	overBgColor: transparent;
+
+	icon: sprite(252px, 41px, 44px, 44px);
+	iconPos: point(0px, 0px);
+	downIcon: sprite(252px, 41px, 44px, 44px);
+	downIconPos: point(0px, 0px);
+
+	width: 44px;
+	height: 44px;
+}
+historyToEndSkip: 10px;
+
+activeFadeInDuration: 500;
+activeFadeOutDuration: 3000;
+
 msgMaxWidth: 550px;
 msgFont: font(fsize);
 msgNameFont: font(fsize semibold);
@@ -765,9 +801,9 @@ msgDateSpace: 19px;
 msgDateCheckSpace: 4px;
 msgDateDelta: point(2px, 5px);
 
-msgImgSendingRect: sprite(280px, 40px, 20px, 20px);
+msgImgSendingRect: sprite(320px, 65px, 20px, 20px);
 msgImgCheckRect: sprite(280px, 20px, 20px, 20px);
-msgImgDblCheckRect: sprite(260px, 40px, 20px, 20px);
+msgImgDblCheckRect: sprite(300px, 65px, 20px, 20px);
 msgDateImgDelta: 4px;
 msgDateImgColor: #fff;
 msgDateImgBg: #00000054;
@@ -877,8 +913,8 @@ btnAttachDocument: iconedButton(btnDefIconed) {
 	height: 46px;
 }
 btnAttachPhoto: iconedButton(btnAttachDocument) {
-	icon: sprite(278px, 68px, 24px, 24px);
+	icon: sprite(113px, 0px, 24px, 24px);
-	downIcon: sprite(278px, 68px, 24px, 24px);
+	downIcon: sprite(113px, 0px, 24px, 24px);
 }
 btnAttachEmoji: iconedButton(btnAttachDocument) {
 	overBgColor: white;
@@ -957,6 +993,10 @@ btnAddContact: iconedButton(btnNewGroup) {
 	icon: sprite(188px, 93px, 18px, 18px);
 	downIcon: sprite(188px, 93px, 18px, 18px);
 }
+btnCancelSearch: iconedButton(btnNewGroup) {
+	icon: sprite(188px, 43px, 18px, 18px);
+	downIcon: sprite(188px, 43px, 18px, 18px);
+}
 
 notifyBG: white;
 notifyBorder: #f1f1f1;
@@ -1245,8 +1285,8 @@ dropdownAttachDocument: iconedButton(btnAttachDocument) {
 	downTextPos: point(50px, 14px);
 }
 dropdownAttachPhoto: iconedButton(dropdownAttachDocument) {
-	icon: sprite(278px, 68px, 24px, 24px);
+	icon: sprite(113px, 0px, 24px, 24px);
-	downIcon: sprite(278px, 68px, 24px, 24px);
+	downIcon: sprite(113px, 0px, 24px, 24px);
 }
 
 dragFont: font(28px semibold);

Telegram/Resources/style_classes.txt

@@ -229,3 +229,20 @@ flatLabel {
 	width: number;
 	align: align;
 }
+
+switcher {
+	border: number;
+	borderColor: color;
+
+	bgColor: color;
+	bgHovered: color;
+	bgActive: color;
+
+	height: number;
+
+	font: font;
+	textColor: color;
+	activeColor: color;
+
+	duration: number;
+}

Telegram/Setup.iss

@@ -3,9 +3,9 @@
 
 #define MyAppShortName "Telegram"
 #define MyAppName "Telegram Win (Unofficial)"
-#define MyAppVersion "0.5.4"
+#define MyAppVersion "0.5.6"
-#define MyAppVersionZero "0.5.4"
+#define MyAppVersionZero "0.5.6"
-#define MyAppFullVersion "0.5.4.0"
+#define MyAppFullVersion "0.5.6.0"
 #define MyAppPublisher "Telegram (Unofficial)"
 #define MyAppURL "https://tdesktop.com"
 #define MyAppExeName "Telegram.exe"

Telegram/SourceFiles/app.cpp

@@ -508,7 +508,7 @@ namespace App {
 			}
 		}
 		for (QMap<int32, int32>::const_iterator i = msgsIds.cbegin(), e = msgsIds.cend(); i != e; ++i) {
-			histories().addToBack(v[*i], newMsgs);
+			histories().addToBack(v[*i], newMsgs ? 1 : 0);
 		}
 	}
 
@@ -557,9 +557,6 @@ namespace App {
 			if (j != msgsData.cend()) {
 				History *h = (*j)->history();
 				(*j)->destroy();
-				if (h->isEmpty()) {
-					if (App::main()) App::main()->checkPeerHistory(h->peer);
-				}
 			}
 		}
 	}
@@ -1100,23 +1097,26 @@ namespace App {
 		return 0;
 	}
 
-	bool historyRegItem(HistoryItem *item) {
+	HistoryItem *historyRegItem(HistoryItem *item) {
 		MsgsData::const_iterator i = msgsData.constFind(item->id);
 		if (i == msgsData.cend()) {
 			msgsData.insert(item->id, item);
 			if (item->id > ::maxMsgId) ::maxMsgId = item->id;
-			return true;
+			return 0;
 		}
-		return (i.value() == item);
+		if (i.value() != item && !i.value()->block() && item->block()) { // replace search item
+			item->history()->itemReplaced(i.value(), item);
+			if (App::main()) {
+				emit App::main()->historyItemReplaced(i.value(), item);
+			}
+			delete i.value();
+			msgsData.insert(item->id, item);
+			return 0;
+		}
+		return (i.value() == item) ? 0 : i.value();
 	}
 
-	void historyUnregItem(HistoryItem *item) {
+	void historyItemDetached(HistoryItem *item) {
-		MsgsData::iterator i = msgsData.find(item->id);
-		if (i != msgsData.cend()) {
-			if (i.value() == item) {
-				msgsData.erase(i);
-			}
-		}
 		if (::hoveredItem == item) {
 			hoveredItem(0);
 		}
@@ -1135,13 +1135,32 @@ namespace App {
 		if (::mousedItem == item) {
 			mousedItem(0);
 		}
+	}
+
+	void historyUnregItem(HistoryItem *item) {
+		MsgsData::iterator i = msgsData.find(item->id);
+		if (i != msgsData.cend()) {
+			if (i.value() == item) {
+				msgsData.erase(i);
+			}
+		}
+		historyItemDetached(item);
 		if (App::main()) {
 			emit App::main()->historyItemDeleted(item);
 		}
 	}
 
 	void historyClearMsgs() {
+		QVector<HistoryItem*> toDelete;
+		for (MsgsData::const_iterator i = msgsData.cbegin(), e = msgsData.cend(); i != e; ++i) {
+			if ((*i)->detached()) {
+				toDelete.push_back(*i);
+			}
+		}
 		msgsData.clear();
+		for (int i = 0, l = toDelete.size(); i < l; ++i) {
+			delete toDelete[i];
+		}
 		::maxMsgId = 0;
 		::hoveredItem = ::pressedItem = ::hoveredLinkItem = ::pressedLinkItem = ::contextItem = 0;
 	}
@@ -1224,6 +1243,12 @@ namespace App {
 		textlnkOver(TextLinkPtr());
 		textlnkDown(TextLinkPtr());
 
+		if (completely && App::main()) {
+			App::main()->disconnect(SIGNAL(historyItemDeleted(HistoryItem *)));
+		}
+
+		histories().clear();
+
 		if (completely) {
 			LOG(("Deleting sound.."));
 			delete newMsgSound;
@@ -1242,12 +1267,6 @@ namespace App {
 			clearStorageImages();
 		}
 
-        if (App::main()) {
-            App::main()->disconnect(SIGNAL(historyItemDeleted(HistoryItem*)));
-        }
-
-		histories().clear();
-
 		serviceImageCacheSize = imageCacheSize();
 	}
 

Telegram/SourceFiles/app.h

@@ -116,7 +116,8 @@ namespace App {
 	History *history(const PeerId &peer, int32 unreadCnt = 0);
 	History *historyLoaded(const PeerId &peer);
 	HistoryItem *histItemById(MsgId itemId);
-	bool historyRegItem(HistoryItem *item);
+	HistoryItem *historyRegItem(HistoryItem *item);
+	void historyItemDetached(HistoryItem *item);
 	void historyUnregItem(HistoryItem *item);
 	void historyClearMsgs();
 	void historyClearItems();

Telegram/SourceFiles/boxes/contactsbox.cpp

@@ -210,7 +210,7 @@ void ContactsInner::chooseParticipant() {
 	}
 	if (r) {
 		App::wnd()->hideSettings(true);
-		App::main()->showPeer(r->history->peer->id, false, true);
+		App::main()->showPeer(r->history->peer->id, 0, false, true);
 		App::wnd()->hideLayer();
 	}
 

Telegram/SourceFiles/boxes/newgroupbox.cpp

@@ -438,6 +438,15 @@ QVector<MTPInputUser> NewGroupInner::selectedInputs() {
 	return result;
 }
 
+PeerData *NewGroupInner::selectedUser() {
+	for (ContactsData::const_iterator i = _contactsData.cbegin(), e = _contactsData.cend(); i != e; ++i) {
+		if (i.value()->check) {
+			return i.key();
+		}
+	}
+	return 0;
+}
+
 NewGroupBox::NewGroupBox() : _scroll(this, st::newGroupScroll), _inner(),
 	_filter(this, st::contactsFilter, lang(lng_participant_filter)),
 	_next(this, lang(lng_create_group_next), st::btnSelectDone),
@@ -579,13 +588,15 @@ void NewGroupBox::onClose() {
 
 void NewGroupBox::onNext() {
 	MTPVector<MTPInputUser> users(MTP_vector<MTPInputUser>(_inner.selectedInputs()));
-	if (users.c_vector().v.isEmpty()) {
+	const QVector<MTPInputUser> &v(users.c_vector().v);
+	if (v.isEmpty()) {
 		_filter.setFocus();
 		_filter.notaBene();
-		return;
+	} else if (v.size() == 1) {
+		App::main()->showPeer(_inner.selectedUser()->id);
+	} else {
+		App::wnd()->replaceLayer(new CreateGroupBox(users));
 	}
-
-	App::wnd()->replaceLayer(new CreateGroupBox(users));
 }
 
 void NewGroupBox::onScroll() {

Telegram/SourceFiles/boxes/newgroupbox.h

@@ -39,6 +39,7 @@ public:
 	void selectSkipPage(int32 h, int32 dir);
 
 	QVector<MTPInputUser> selectedInputs();
+	PeerData *selectedUser();
 
 	void loadProfilePhotos(int32 yFrom);
 

Telegram/SourceFiles/config.h

@@ -17,8 +17,8 @@ Copyright (c) 2014 John Preston, https://tdesktop.com
 */
 #pragma once
 
-static const int32 AppVersion = 5005;
+static const int32 AppVersion = 5006;
-static const wchar_t *AppVersionStr = L"0.5.5";
+static const wchar_t *AppVersionStr = L"0.5.6";
 #ifdef Q_OS_WIN
 static const wchar_t *AppName = L"Telegram Win (Unofficial)";
 #else
@@ -56,7 +56,12 @@ enum {
 	LocalEncryptSaltSize = 32, // 256 bit
 	LocalEncryptKeySize = 256, // 2048 bit
 
+	AnimationTimerDelta = 7,
+
 	SaveRecentEmojisTimeout = 3000, // 3 secs
+
+	AutoSearchTimeout = 1500, // 1.5 secs
+	SearchPerPage = 50,
 };
 
 #ifdef Q_OS_WIN

Telegram/SourceFiles/dialogswidget.cpp

@@ -26,11 +26,16 @@ Copyright (c) 2014 John Preston, https://tdesktop.com
 #include "boxes/newgroupbox.h"
 
 DialogsListWidget::DialogsListWidget(QWidget *parent, MainWidget *main) : QWidget(parent),
-dialogs(false), contactsNoDialogs(true), contacts(true), sel(0), contactSel(false), selByMouse(false), filteredSel(-1) {
+dialogs(false), contactsNoDialogs(true), contacts(true), sel(0), contactSel(false), selByMouse(false), filteredSel(-1), searchedSel(-1), _state(DefaultState) {
 	connect(main, SIGNAL(dialogToTop(const History::DialogLinks &)), this, SLOT(onDialogToTop(const History::DialogLinks &)));
 	connect(main, SIGNAL(peerNameChanged(PeerData *, const PeerData::Names &, const PeerData::NameFirstChars &)), this, SLOT(onPeerNameChanged(PeerData *, const PeerData::Names &, const PeerData::NameFirstChars &)));
 	connect(main, SIGNAL(peerPhotoChanged(PeerData *)), this, SLOT(onPeerPhotoChanged(PeerData *)));
 	connect(main, SIGNAL(dialogRowReplaced(DialogRow *, DialogRow *)), this, SLOT(onDialogRowReplaced(DialogRow *, DialogRow *)));
+	connect(main, SIGNAL(historyItemReplaced(HistoryItem *, HistoryItem *)), this, SLOT(onItemReplaced(HistoryItem *, HistoryItem *)));
+	connect(main, SIGNAL(historyItemDeleted(HistoryItem *)), this, SLOT(onItemRemoved(HistoryItem *)));
+
+	_updateSearchTimer.setSingleShot(true);
+	connect(&_updateSearchTimer, SIGNAL(timeout()), this, SIGNAL(searchMessages()));
 }
 
 void DialogsListWidget::paintEvent(QPaintEvent *e) {
@@ -42,7 +47,7 @@ void DialogsListWidget::paintEvent(QPaintEvent *e) {
 		p.setClipRect(r);
 	}
 
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		int32 otherStart = dialogs.list.count * st::dlgHeight;
 		PeerData *active = App::main()->activePeer(), *selected = sel ? sel->history->peer : 0;
 		if (otherStart) {
@@ -53,21 +58,40 @@ void DialogsListWidget::paintEvent(QPaintEvent *e) {
 		} else if (!otherStart) {
 			// .. paint no dialogs found
 		}
-	} else {
+	} else if (_state == FilteredState) {
-		if (filtered.isEmpty()) {
+		if (filterResults.isEmpty()) {
 			// .. paint no dialogs 
 		} else {
 			int32 from = r.top() / int32(st::dlgHeight);
 			if (from < 0) from = 0;
-			if (from < filtered.size()) {
+			if (from < filterResults.size()) {
 				int32 to = (r.bottom() / int32(st::dlgHeight)) + 1, w = width();
-				if (to > filtered.size()) to = filtered.size();
+				if (to > filterResults.size()) to = filterResults.size();
 
 				p.translate(0, from * st::dlgHeight);
 				for (; from < to; ++from) {
-					bool active = (filtered[from]->history->peer == App::main()->activePeer());
+					bool active = (filterResults[from]->history->peer == App::main()->activePeer());
 					bool selected = (from == filteredSel);
-					filtered[from]->paint(p, w, active, selected);
+					filterResults[from]->paint(p, w, active, selected);
+					p.translate(0, st::dlgHeight);
+				}
+			}
+		}
+	} else if (_state == SearchedState) {
+		if (searchResults.isEmpty()) {
+			// .. paint no dialogs 
+		} else {
+			int32 from = r.top() / int32(st::dlgHeight);
+			if (from < 0) from = 0;
+			if (from < searchResults.size()) {
+				int32 to = (r.bottom() / int32(st::dlgHeight)) + 1, w = width();
+				if (to > searchResults.size()) to = searchResults.size();
+
+				p.translate(0, from * st::dlgHeight);
+				for (; from < to; ++from) {
+					bool active = (searchResults[from]->_item->id == App::main()->activeMsgId());
+					bool selected = (from == searchedSel);
+					searchResults[from]->paint(p, w, active, selected);
 					p.translate(0, st::dlgHeight);
 				}
 			}
@@ -76,7 +100,11 @@ void DialogsListWidget::paintEvent(QPaintEvent *e) {
 }
 
 void DialogsListWidget::activate() {
-	if ((filter.isEmpty() && !sel) || (!filter.isEmpty() && (filteredSel < 0 || filteredSel >= filtered.size()))) {
+	if (
+		(_state == DefaultState && !sel) ||
+		(_state == FilteredState && (filteredSel < 0 || filteredSel >= filterResults.size())) ||
+		(_state == SearchedState && (searchedSel < 0 || searchedSel >= searchResults.size()))
+	) {
 		selectSkip(1);
 	}
 }
@@ -93,7 +121,7 @@ void DialogsListWidget::onUpdateSelected(bool force) {
 	if ((!force && !rect().contains(mouse)) || !selByMouse) return;
 
 	int w = width(), mouseY = mouse.y();
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		DialogRow *newSel = dialogs.list.rowAtY(mouseY, st::dlgHeight);
 		int32 otherStart = dialogs.list.count * st::dlgHeight;
 		if (newSel) {
@@ -102,32 +130,35 @@ void DialogsListWidget::onUpdateSelected(bool force) {
 			newSel = contactsNoDialogs.list.rowAtY(mouseY - otherStart, st::dlgHeight);
 			contactSel = true;
 		}
-		if (contactSel) {
-			mouse.setY(mouse.y() - otherStart);
-		}
-		if (newSel) {
-			mouse.setY(mouse.y() - newSel->pos * st::dlgHeight);
-		}
 		if (newSel != sel) {
 			sel = newSel;
 			setCursor(sel ? style::cur_pointer : style::cur_default);
 			parentWidget()->update();
 		}
-	} else {
+	} else if (_state == FilteredState) {
-		if (!filtered.isEmpty()) {
+		if (!filterResults.isEmpty()) {
 			int32 newFilteredSel = mouseY / int32(st::dlgHeight);
-			if (newFilteredSel < 0 || newFilteredSel >= filtered.size()) {
+			if (newFilteredSel < 0 || newFilteredSel >= filterResults.size()) {
 				newFilteredSel = -1;
 			}
-			if (newFilteredSel >= 0) {
-				mouse.setY(mouse.y() - newFilteredSel * st::dlgHeight);
-			}
 			if (newFilteredSel != filteredSel) {
 				filteredSel = newFilteredSel;
 				setCursor((filteredSel >= 0) ? style::cur_pointer : style::cur_default);
 				parentWidget()->update();
 			}
 		}
+	} else if (_state == SearchedState) {
+		if (!searchResults.isEmpty()) {
+			int32 newSearchedSel = mouseY / int32(st::dlgHeight);
+			if (newSearchedSel < 0 || newSearchedSel >= searchResults.size()) {
+				newSearchedSel = -1;
+			}
+			if (newSearchedSel != searchedSel) {
+				searchedSel = newSearchedSel;
+				setCursor((searchedSel >= 0) ? style::cur_pointer : style::cur_default);
+				parentWidget()->update();
+			}
+		}
 	}
 }
 
@@ -141,14 +172,14 @@ void DialogsListWidget::mousePressEvent(QMouseEvent *e) {
 }
 
 void DialogsListWidget::onDialogRowReplaced(DialogRow *oldRow, DialogRow *newRow) {
-	if (!filter.isEmpty()) {
+	if (_state == FilteredState) {
-		for (FilteredDialogs::iterator i = filtered.begin(), e = filtered.end(); i != e;) {
+		for (FilteredDialogs::iterator i = filterResults.begin(); i != filterResults.end();) {
 			if (*i == oldRow) { // this row is shown in filtered and maybe is in contacts!
 				if (newRow) {
 					*i = newRow;
 					++i;
 				} else {
-					i = filtered.erase(i);
+					i = filterResults.erase(i);
 				}
 			} else {
 				++i;
@@ -210,11 +241,11 @@ void DialogsListWidget::removeContact(UserData *user) {
 }
 
 void DialogsListWidget::dlgUpdated(DialogRow *row) {
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		update(0, row->pos * st::dlgHeight, width(), st::dlgHeight);
-	} else {
+	} else if (_state == FilteredState) {
 		int32 cnt = 0;
-		for (FilteredDialogs::const_iterator i = filtered.cbegin(), e = filtered.cend(); i != e; ++i) {
+		for (FilteredDialogs::const_iterator i = filterResults.cbegin(), e = filterResults.cend(); i != e; ++i) {
 			if ((*i)->history == row->history) {
 				update(0, cnt * st::dlgHeight, width(), st::dlgHeight);
 				break;
@@ -225,7 +256,7 @@ void DialogsListWidget::dlgUpdated(DialogRow *row) {
 }
 
 void DialogsListWidget::dlgUpdated(History *history) {
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		DialogRow *row = 0;
 		DialogsList::RowByPeer::iterator i = dialogs.list.rowByPeer.find(history->peer->id);
 		if (i != dialogs.list.rowByPeer.cend()) {
@@ -236,15 +267,24 @@ void DialogsListWidget::dlgUpdated(History *history) {
 				update(0, (dialogs.list.count + i.value()->pos) * st::dlgHeight, width(), st::dlgHeight);
 			}
 		}
-	} else {
+	} else if (_state == FilteredState) {
 		int32 cnt = 0;
-		for (FilteredDialogs::const_iterator i = filtered.cbegin(), e = filtered.cend(); i != e; ++i) {
+		for (FilteredDialogs::const_iterator i = filterResults.cbegin(), e = filterResults.cend(); i != e; ++i) {
 			if ((*i)->history == history) {
 				update(0, cnt * st::dlgHeight, width(), st::dlgHeight);
 				break;
 			}
 			++cnt;
 		}
+	} else if (_state == SearchedState) {
+		int32 cnt = 0;
+		for (SearchResults::const_iterator i = searchResults.cbegin(), e = searchResults.cend(); i != e; ++i) {
+			if ((*i)->_item->history() == history) {
+				update(0, cnt * st::dlgHeight, width(), st::dlgHeight);
+				break;
+			}
+			++cnt;
+		}
 	}
 }
 
@@ -290,9 +330,14 @@ void DialogsListWidget::onPeerPhotoChanged(PeerData *peer) {
 	parentWidget()->update();
 }
 
-void DialogsListWidget::onFilterUpdate(QString newFilter) {
+void DialogsListWidget::onFilterUpdate(QString newFilter, bool force) {
+	if (_state == SearchedState && !newFilter.trimmed().isEmpty()) {
+		_updateSearchTimer.start(AutoSearchTimeout);
+		return;
+	}
+
 	newFilter = textAccentFold(newFilter.trimmed().toLower());
-	if (newFilter != filter) {
+	if (newFilter != filter || force) {
 		QStringList f;
 		if (!newFilter.isEmpty()) {
 			QStringList filterList = newFilter.split(cWordSplit(), QString::SkipEmptyParts);
@@ -306,12 +351,16 @@ void DialogsListWidget::onFilterUpdate(QString newFilter) {
 			}
 			newFilter = f.join(' ');
 		}
-		if (newFilter != filter) {
+		if (newFilter != filter || force) {
 			filter = newFilter;
-			if (!filter.isEmpty()) {
+			if (filter.isEmpty()) {
+				_state = DefaultState;
+				filterResults.clear();
+			} else {
 				QStringList::const_iterator fb = f.cbegin(), fe = f.cend(), fi;
 
-				filtered.clear();
+				_state = FilteredState;
+				filterResults.clear();
 				if (!f.isEmpty()) {
 					DialogsList *dialogsToFilter = 0, *contactsNoDialogsToFilter = 0;
 					if (dialogs.list.count) {
@@ -338,7 +387,7 @@ void DialogsListWidget::onFilterUpdate(QString newFilter) {
 							}
 						}
 					}
-					filtered.reserve((dialogsToFilter ? dialogsToFilter->count : 0) + (contactsNoDialogsToFilter ? contactsNoDialogsToFilter->count : 0));
+					filterResults.reserve((dialogsToFilter ? dialogsToFilter->count : 0) + (contactsNoDialogsToFilter ? contactsNoDialogsToFilter->count : 0));
 					if (dialogsToFilter && dialogsToFilter->count) {
 						for (DialogRow *i = dialogsToFilter->begin, *e = dialogsToFilter->end; i != e; i = i->next) {
 							const PeerData::Names &names(i->history->peer->names);
@@ -355,7 +404,7 @@ void DialogsListWidget::onFilterUpdate(QString newFilter) {
 								}
 							}
 							if (fi == fe) {
-								filtered.push_back(i);
+								filterResults.push_back(i);
 							}
 						}
 					}
@@ -375,7 +424,7 @@ void DialogsListWidget::onFilterUpdate(QString newFilter) {
 								}
 							}
 							if (fi == fe) {
-								filtered.push_back(i);
+								filterResults.push_back(i);
 							}
 						}
 					}
@@ -387,6 +436,41 @@ void DialogsListWidget::onFilterUpdate(QString newFilter) {
 	}
 }
 
+DialogsListWidget::~DialogsListWidget() {
+	clearSearchResults();
+}
+
+void DialogsListWidget::clearSearchResults() {	
+	if (!searchResults.isEmpty()) {
+		for (SearchResults::const_iterator i = searchResults.cbegin(), e = searchResults.cend(); i != e; ++i) {
+			delete *i;
+		}
+		searchResults.clear();
+	}
+}
+
+void DialogsListWidget::onItemReplaced(HistoryItem *oldItem, HistoryItem *newItem) {
+	for (int i = 0; i < searchResults.size(); ++i) {
+		if (searchResults[i]->_item == oldItem) {
+			searchResults[i]->_item = newItem;
+		}
+	}
+}
+
+void DialogsListWidget::onItemRemoved(HistoryItem *item) {
+	int wasCount = searchResults.size();
+	for (int i = 0; i < searchResults.size(); ++i) {
+		if (searchResults[i]->_item == item) {
+			searchResults.remove(i);
+		} else {
+			++i;
+		}
+	}
+	if (wasCount != searchResults.size()) {
+		refresh();
+	}
+}
+
 void DialogsListWidget::dialogsReceived(const QVector<MTPDialog> &added) {
 	for (QVector<MTPDialog>::const_iterator i = added.cbegin(), e = added.cend(); i != e; ++i) {
 		if (i->type() == mtpc_dialog) {
@@ -401,6 +485,17 @@ void DialogsListWidget::dialogsReceived(const QVector<MTPDialog> &added) {
 	refresh();
 }
 
+void DialogsListWidget::searchReceived(const QVector<MTPMessage> &messages, bool fromStart) {
+	if (fromStart) {
+		clearSearchResults();
+	}
+	for (QVector<MTPMessage>::const_iterator i = messages.cbegin(), e = messages.cend(); i != e; ++i) {
+		HistoryItem *item = App::histories().addToBack(*i, -1);
+		searchResults.push_back(new FakeDialogRow(item));
+	}
+	refresh();
+}
+
 void DialogsListWidget::contactsReceived(const QVector<MTPContact> &contacts) {
 	for (QVector<MTPContact>::const_iterator i = contacts.cbegin(), e = contacts.cend(); i != e; ++i) {
 		addNewContact(i->c_contact().vuser_id.v);
@@ -436,7 +531,15 @@ int32 DialogsListWidget::addNewContact(int32 uid, bool select) {
 }
 
 void DialogsListWidget::refresh(bool toTop) {
-	resize(width(), (filter.isEmpty() ? (dialogs.list.count + contactsNoDialogs.list.count) : filtered.count()) * st::dlgHeight);
+	int32 cnt = 0;
+	if (_state == DefaultState) {
+		cnt = dialogs.list.count + contactsNoDialogs.list.count;
+	} else if (_state == FilteredState) {
+		cnt = filterResults.count();
+	} else if (_state == SearchedState) {
+		cnt = searchResults.count();
+	}
+	resize(width(), cnt * st::dlgHeight);
 	if (toTop) {
 		emit mustScrollTo(0, 0);
 		loadPeerPhotos(0);
@@ -447,17 +550,37 @@ void DialogsListWidget::refresh(bool toTop) {
 void DialogsListWidget::setMouseSel(bool msel, bool toTop) {
 	selByMouse = msel;
 	if (!selByMouse && toTop) {
-		if (filter.isEmpty()) {
+		if (_state == DefaultState) {
 			sel = (dialogs.list.count ? dialogs.list.begin : (contactsNoDialogs.list.count ? contactsNoDialogs.list.begin : 0));
 			contactSel = !dialogs.list.count && contactsNoDialogs.list.count;
-		} else {
+		} else if (_state == FilteredState) {
 			filteredSel = 0;
+		} else if (_state == SearchedState) {
+			searchedSel = -1; // don't select first elem in search
 		}
 	}
 }
 
+void DialogsListWidget::setState(State newState) {
+	_state = newState;
+	if (_state == DefaultState || _state == FilteredState) {
+		clearSearchResults();
+		searchedSel = -1;
+	} else if (_state == DefaultState || _state == SearchedState) {
+		filterResults.clear();
+		filteredSel = -1;
+	}
+	onFilterUpdate(filter, true);
+	refresh(true);
+}
+
+DialogsListWidget::State DialogsListWidget::state() const {
+	return _state;
+}
+
 void DialogsListWidget::clearFilter() {
-	if (!filter.isEmpty()) {
+	if (_state == FilteredState) {
+		_state = DefaultState;
 		filter = QString();
 		refresh(true);
 	}
@@ -473,7 +596,7 @@ void DialogsListWidget::addDialog(const MTPDdialog &dialog) {
 }
 
 void DialogsListWidget::selectSkip(int32 direction) {
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		if (!sel) {
 			if (dialogs.list.count && direction > 0) {
 				sel = dialogs.list.begin;
@@ -499,20 +622,27 @@ void DialogsListWidget::selectSkip(int32 direction) {
 		}
 		int32 fromY = (sel->pos + (contactSel ? dialogs.list.count : 0)) * st::dlgHeight;
 		emit mustScrollTo(fromY, fromY + st::dlgHeight);
-	} else {
+	} else if (_state == FilteredState) {
-		if (filtered.isEmpty()) return;
+		if (filterResults.isEmpty()) return;
-		int32 newSel = snap(filteredSel + direction, 0, filtered.size() - 1);
+		int32 newSel = snap(filteredSel + direction, 0, filterResults.size() - 1);
 		if (newSel != filteredSel) {
 			filteredSel = newSel;
 		}
 		emit mustScrollTo(filteredSel * st::dlgHeight, (filteredSel + 1) * st::dlgHeight);
+	} else if (_state == SearchedState) {
+		if (searchResults.isEmpty()) return;
+		int32 newSel = snap(searchedSel + direction, 0, searchResults.size() - 1);
+		if (newSel != searchedSel) {
+			searchedSel = newSel;
+		}
+		emit mustScrollTo(searchedSel * st::dlgHeight, (searchedSel + 1) * st::dlgHeight);
 	}
 	parentWidget()->update();
 }
 
 void DialogsListWidget::scrollToPeer(const PeerId &peer) {
 	int32 fromY = -1;
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		DialogsList::RowByPeer::const_iterator i = dialogs.list.rowByPeer.constFind(peer);
 		if (i != dialogs.list.rowByPeer.cend()) {
 			fromY = i.value()->pos * st::dlgHeight;
@@ -522,9 +652,9 @@ void DialogsListWidget::scrollToPeer(const PeerId &peer) {
 				fromY = (i.value()->pos + dialogs.list.count) * st::dlgHeight;
 			}
 		}
-	} else {
+	} else if (_state == FilteredState) {
-		for (int32 i = 0, c = filtered.size(); i < c; ++i) {
+		for (int32 i = 0, c = filterResults.size(); i < c; ++i) {
-			if (filtered[i]->history->peer->id == peer) {
+			if (filterResults[i]->history->peer->id == peer) {
 				fromY = i * st::dlgHeight;
 				break;
 			}
@@ -537,7 +667,7 @@ void DialogsListWidget::scrollToPeer(const PeerId &peer) {
 
 void DialogsListWidget::selectSkipPage(int32 pixels, int32 direction) {
 	int32 toSkip = pixels / int32(st::dlgHeight);
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		if (!sel) {
 			if (direction > 0 && dialogs.list.count) {
 				sel = dialogs.list.begin;
@@ -581,7 +711,7 @@ void DialogsListWidget::selectSkipPage(int32 pixels, int32 direction) {
 void DialogsListWidget::loadPeerPhotos(int32 yFrom) {
 	int32 yTo = yFrom + parentWidget()->height() * 5;
 	MTP::clearLoaderPriorities();
-	if (filter.isEmpty()) {
+	if (_state == DefaultState) {
 		int32 otherStart = dialogs.list.count * st::dlgHeight;
 		if (yFrom < otherStart) {
 			dialogs.list.adjustCurrent(yFrom, st::dlgHeight);
@@ -599,99 +729,124 @@ void DialogsListWidget::loadPeerPhotos(int32 yFrom) {
 				row->history->peer->photo->load();
 			}
 		}
-	} else {
+	} else if (_state == FilteredState) {
 		int32 from = yFrom / st::dlgHeight;
 		if (from < 0) from = 0;
-		if (from < filtered.size()) {
+		if (from < filterResults.size()) {
 			int32 to = (yTo / int32(st::dlgHeight)) + 1, w = width();
-			if (to > filtered.size()) to = filtered.size();
+			if (to > filterResults.size()) to = filterResults.size();
 			
 			for (; from < to; ++from) {
-				filtered[from]->history->peer->photo->load();
+				filterResults[from]->history->peer->photo->load();
+			}
+		}
+	} else if (_state == SearchedState) {
+		int32 from = yFrom / st::dlgHeight;
+		if (from < 0) from = 0;
+		if (from < searchResults.size()) {
+			int32 to = (yTo / int32(st::dlgHeight)) + 1, w = width();
+			if (to > searchResults.size()) to = searchResults.size();
+
+			for (; from < to; ++from) {
+				searchResults[from]->_item->history()->peer->photo->load();
 			}
 		}
 	}
 }
 
-void DialogsListWidget::choosePeer() {
+bool DialogsListWidget::choosePeer() {
-	History *history = filter.isEmpty() ? (sel ? sel->history : 0) : ((filteredSel >= 0 && filteredSel < filtered.size()) ? filtered[filteredSel]->history : 0);
+	History *history = 0;
+	MsgId msgId = 0;
+	if (_state == DefaultState) {
+		if (sel) history = sel->history;
+	} else if (_state == FilteredState) {
+		if (filteredSel >= 0 && filteredSel < filterResults.size()) history = filterResults[filteredSel]->history;
+	} else if (_state == SearchedState) {
+		if (searchedSel >= 0 && searchedSel < searchResults.size()) {
+			history = searchResults[searchedSel]->_item->history();
+			msgId = searchResults[searchedSel]->_item->id;
+		}
+	}
 	if (history) {
-		emit peerChosen(history->peer->id);
+		emit peerChosen(history->peer->id, msgId);
 		sel = 0;
 		filteredSel = -1;
 		parentWidget()->update();
+		return true;
 	}
+	return false;
 }
 
 void DialogsListWidget::destroyData() {
 	sel = 0;
 	contactSel = false;
 	filteredSel = 0;
-	filtered.clear();
+	filterResults.clear();
 	filter.clear();
+	searchedSel = 0;
+	clearSearchResults();
 	contacts.clear();
 	contactsNoDialogs.clear();
 	dialogs.clear();
 }
 
 PeerData *DialogsListWidget::peerBefore(const PeerData *peer) const {
-	if (!filter.isEmpty()) {
+	if (_state == DefaultState) {
-		if (filtered.isEmpty() || filtered.at(0)->history->peer == peer) return 0;
+		DialogsList::RowByPeer::const_iterator i = dialogs.list.rowByPeer.constFind(peer->id);
+		if (i == dialogs.list.rowByPeer.constEnd()) {
+			i = contactsNoDialogs.list.rowByPeer.constFind(peer->id);
+			if (i == contactsNoDialogs.list.rowByPeer.cend()) {
+				return 0;
+			}
+			if (i.value()->prev) {
+				return i.value()->prev->history->peer;
+			} else if (dialogs.list.count) {
+				return dialogs.list.end->prev->history->peer;
+			}
+			return 0;
+		}
+		if (i.value()->prev) {
+			return i.value()->prev->history->peer;
+		}
+	} else if (_state == FilteredState) {
+		if (filterResults.isEmpty() || filterResults.at(0)->history->peer == peer) return 0;
 
-		for (FilteredDialogs::const_iterator b = filtered.cbegin(), i = b + 1, e = filtered.cend(); i != e; ++i) {
+		for (FilteredDialogs::const_iterator b = filterResults.cbegin(), i = b + 1, e = filterResults.cend(); i != e; ++i) {
 			if ((*i)->history->peer == peer) {
 				FilteredDialogs::const_iterator j = i - 1;
 				return (*j)->history->peer;
 			}
 		}
-		return 0;
-	}
-
-	DialogsList::RowByPeer::const_iterator i = dialogs.list.rowByPeer.constFind(peer->id);
-	if (i == dialogs.list.rowByPeer.constEnd()) {
-		i = contactsNoDialogs.list.rowByPeer.constFind(peer->id);
-		if (i == contactsNoDialogs.list.rowByPeer.cend()) {
-			return 0;
-		}
-		if (i.value()->prev) {
-			return i.value()->prev->history->peer;
-		} else if (dialogs.list.count) {
-			return dialogs.list.end->prev->history->peer;
-		}
-		return 0;
-	}
-	if (i.value()->prev) {
-		return i.value()->prev->history->peer;
 	}
 	return 0;
 }
 
 PeerData *DialogsListWidget::peerAfter(const PeerData *peer) const {
-	if (!filter.isEmpty()) {
+	if (_state == DefaultState) {
-		for (FilteredDialogs::const_iterator i = filtered.cbegin(), e = filtered.cend(); i != e; ++i) {
+		DialogsList::RowByPeer::const_iterator i = dialogs.list.rowByPeer.constFind(peer->id);
+		if (i == dialogs.list.rowByPeer.constEnd()) {
+			i = contactsNoDialogs.list.rowByPeer.constFind(peer->id);
+			if (i == contactsNoDialogs.list.rowByPeer.cend()) {
+				return 0;
+			}
+			if (i.value()->next != contactsNoDialogs.list.end) {
+				return i.value()->next->history->peer;
+			}
+			return 0;
+		}
+
+		if (i.value()->next != dialogs.list.end) {
+			return i.value()->next->history->peer;
+		} else if (contactsNoDialogs.list.count) {
+			return contactsNoDialogs.list.begin->history->peer;
+		}
+	} else if (_state == FilteredState) {
+		for (FilteredDialogs::const_iterator i = filterResults.cbegin(), e = filterResults.cend(); i != e; ++i) {
 			if ((*i)->history->peer == peer) {
 				++i;
 				return (i == e) ? 0 : (*i)->history->peer;
 			}
 		}
-		return 0;
-	}
-	DialogsList::RowByPeer::const_iterator i = dialogs.list.rowByPeer.constFind(peer->id);
-	if (i == dialogs.list.rowByPeer.constEnd()) {
-		i = contactsNoDialogs.list.rowByPeer.constFind(peer->id);
-		if (i == contactsNoDialogs.list.rowByPeer.cend()) {
-			return 0;
-		}
-		if (i.value()->next != contactsNoDialogs.list.end) {
-			return i.value()->next->history->peer;
-		}
-		return 0;
-	}
-
-	if (i.value()->next != dialogs.list.end) {
-		return i.value()->next->history->peer;
-	} else if (contactsNoDialogs.list.count) {
-		return contactsNoDialogs.list.begin->history->peer;
 	}
 	return 0;
 }
@@ -704,6 +859,10 @@ DialogsIndexed &DialogsListWidget::dialogsList() {
 	return dialogs;
 }
 
+DialogsListWidget::SearchResults &DialogsListWidget::searchList() {
+	return searchResults;
+}
+
 DialogsWidget::DialogsWidget(MainWidget *parent) : QWidget(parent)
 , _configLoaded(false)
 , _drawShadow(true)
@@ -712,17 +871,21 @@ DialogsWidget::DialogsWidget(MainWidget *parent) : QWidget(parent)
 , dlgPreloading(0)
 , contactsRequest(0)
 , _filter(this, st::dlgFilter, lang(lng_dlg_filter))
+, _stateSwitcher(this, st::dlgState)
 , _newGroup(this, st::btnNewGroup)
 , _addContact(this, st::btnAddContact)
+, _cancelSearch(this, st::btnCancelSearch)
 , scroll(this, st::dlgScroll)
 , list(&scroll, parent)
+, _searchFull(false)
 {
 	scroll.setWidget(&list);
 	scroll.setFocusPolicy(Qt::NoFocus);
 	connect(&list, SIGNAL(mustScrollTo(int, int)), &scroll, SLOT(scrollToY(int, int)));
 	connect(&list, SIGNAL(dialogToTopFrom(int)), this, SLOT(onDialogToTopFrom(int)));
-//	connect(&list, SIGNAL(peerChosen(const PeerId &)), this, SLOT(onCancel()));
+//	connect(&list, SIGNAL(peerChosen(const PeerId &, MsgId)), this, SLOT(onCancel()));
-	connect(&list, SIGNAL(peerChosen(const PeerId &)), this, SIGNAL(peerChosen(const PeerId &)));
+	connect(&list, SIGNAL(peerChosen(const PeerId &, MsgId)), this, SIGNAL(peerChosen(const PeerId &, MsgId)));
+	connect(&list, SIGNAL(searchMessages()), this, SLOT(onSearchMessages()));
 	connect(&scroll, SIGNAL(geometryChanged()), &list, SLOT(onParentGeometryChanged()));
 	connect(&scroll, SIGNAL(scrolled()), &list, SLOT(onUpdateSelected()));
 	connect(&scroll, SIGNAL(scrolled()), this, SLOT(onListScroll()));
@@ -731,17 +894,26 @@ DialogsWidget::DialogsWidget(MainWidget *parent) : QWidget(parent)
 	connect(parent, SIGNAL(dialogsUpdated()), this, SLOT(onListScroll()));
 	connect(&_addContact, SIGNAL(clicked()), this, SLOT(onAddContact()));
 	connect(&_newGroup, SIGNAL(clicked()), this, SLOT(onNewGroup()));
+	connect(&_cancelSearch, SIGNAL(clicked()), this, SLOT(onCancelSearch()));
+
+	_stateSwitcher.addButton(lang(lng_dlg_conversations));
+	_stateSwitcher.addButton(lang(lng_dlg_messages));
+	_stateSwitcher.hide();
+
+	connect(&_stateSwitcher, SIGNAL(changed()), this, SLOT(onStateChange()));
 
 	scroll.show();
 	_filter.show();
 	_filter.move(st::dlgPaddingHor, st::dlgFilterPadding);
+	_stateSwitcher.move(st::dlgPaddingHor, st::dlgFilterPadding * 2 + _filter.height());
 	_filter.setFocusPolicy(Qt::StrongFocus);
 	_filter.customUpDown(true);
 	_addContact.hide();
 	_newGroup.show();
+	_cancelSearch.hide();
 	_newGroup.move(width() - _newGroup.width() - st::dlgPaddingHor, 0);
 	_addContact.move(width() - _addContact.width() - st::dlgPaddingHor, 0);
-	scroll.move(0, _filter.height() + 2 * st::dlgFilterPadding);
+	_cancelSearch.move(width() - _cancelSearch.width() - st::dlgPaddingHor, 0);
 }
 
 void DialogsWidget::activate() {
@@ -804,12 +976,16 @@ bool DialogsWidget::animStep(float64) {
 }
 
 void DialogsWidget::onCancel() {
-	list.clearFilter();
+	onCancelSearch();
-	_filter.clear();
-	_filter.updatePlaceholder();
 	emit cancelled();
 }
 
+void DialogsWidget::clearFiltered() {
+	if (list.state() != DialogsListWidget::SearchedState) {
+		onCancel();
+	}
+}
+
 void DialogsWidget::unreadCountsReceived(const QVector<MTPDialog> &dialogs) {
 	for (QVector<MTPDialog>::const_iterator i = dialogs.cbegin(), e = dialogs.cend(); i != e; ++i) {
 		const MTPDdialog &d(i->c_dialog());
@@ -875,6 +1051,32 @@ bool DialogsWidget::dialogsFailed(const RPCError &e) {
 	return true;
 }
 
+void DialogsWidget::onSearchMessages(bool force) {
+	QString q = _filter.text().trimmed();
+	if (q.isEmpty()) {
+		if (_searchRequest) {
+			MTP::cancel(_searchRequest);
+			_searchRequest = 0;
+		}
+		if (force) {
+			list.setState(DialogsListWidget::DefaultState);
+		}
+		return;
+	}
+	if (force || _searchQuery != q) {
+		if (_searchRequest) MTP::cancel(_searchRequest);
+		_searchQuery = q;
+		_searchFull = false;
+		_searchRequest = MTP::send(MTPmessages_Search(MTP_inputPeerEmpty(), MTP_string(_searchQuery), MTP_inputMessagesFilterEmpty(), MTP_int(0), MTP_int(0), MTP_int(0), MTP_int(0), MTP_int(SearchPerPage)), rpcDone(&DialogsWidget::searchReceived, true), rpcFail(&DialogsWidget::searchFailed));
+	}
+}
+
+void DialogsWidget::onSearchMore(MsgId minMsgId) {
+	if (!_searchRequest && !_searchFull) {
+		_searchRequest = MTP::send(MTPmessages_Search(MTP_inputPeerEmpty(), MTP_string(_searchQuery), MTP_inputMessagesFilterEmpty(), MTP_int(0), MTP_int(0), MTP_int(0), MTP_int(minMsgId), MTP_int(SearchPerPage)), rpcDone(&DialogsWidget::searchReceived, !minMsgId), rpcFail(&DialogsWidget::searchFailed));
+	}
+}
+
 void DialogsWidget::loadConfig() {
 	if (!_configLoaded) {
 		mtpConfigLoader()->load();
@@ -905,6 +1107,41 @@ bool DialogsWidget::contactsFailed() {
 	return true;
 }
 
+void DialogsWidget::searchReceived(bool fromStart, const MTPmessages_Messages &result, mtpRequestId req) {
+	if (_searchRequest == req) {
+		switch (result.type()) {
+		case mtpc_messages_messages: {
+			App::feedUsers(result.c_messages_messages().vusers);
+			App::feedChats(result.c_messages_messages().vchats);
+			const QVector<MTPMessage> &msgs(result.c_messages_messages().vmessages.c_vector().v);
+			list.searchReceived(msgs, fromStart);
+			if (msgs.isEmpty()) {
+				_searchFull = true;
+			}
+		} break;
+
+		case mtpc_messages_messagesSlice: {
+			App::feedUsers(result.c_messages_messagesSlice().vusers);
+			App::feedChats(result.c_messages_messagesSlice().vchats);
+			const QVector<MTPMessage> &msgs(result.c_messages_messagesSlice().vmessages.c_vector().v);
+			list.searchReceived(msgs, fromStart);
+			if (msgs.isEmpty()) {
+				_searchFull = true;
+			}
+		} break;
+		}
+		_searchRequest = 0;
+	}
+}
+
+bool DialogsWidget::searchFailed(const RPCError &error, mtpRequestId req) {
+	if (_searchRequest == req) {
+		_searchRequest = 0;
+		_searchFull = true;
+	}
+	return true;
+}
+
 bool DialogsWidget::addNewContact(int32 uid, bool show) {
 	_filter.setText(QString());
 	onFilterUpdate();
@@ -917,21 +1154,53 @@ bool DialogsWidget::addNewContact(int32 uid, bool show) {
 
 void DialogsWidget::onListScroll() {
 	list.loadPeerPhotos(scroll.scrollTop());
-	if (scroll.scrollTop() > list.dialogsList().list.count * st::dlgHeight - scroll.height()) {
+	if (list.state() == DialogsListWidget::SearchedState) {
+		DialogsListWidget::SearchResults &res(list.searchList());
+		if (scroll.scrollTop() > res.size() * st::dlgHeight - 2 * scroll.height()) {
+			onSearchMore(res.isEmpty() ? 0 : res.back()->_item->id);
+		}
+	} else if (scroll.scrollTop() > list.dialogsList().list.count * st::dlgHeight - scroll.height()) {
 		loadDialogs();
 	}
 }
 
 void DialogsWidget::onFilterUpdate() {
-	list.onFilterUpdate(_filter.text());
+	QString filterText = _filter.text();
+	list.onFilterUpdate(filterText);
+	DialogsListWidget::State s = list.state();
+	bool switcherVisible = (s != DialogsListWidget::DefaultState);
+	if (switcherVisible && _stateSwitcher.isHidden() || !switcherVisible && !_stateSwitcher.isHidden()) {
+		if (switcherVisible) {
+			_stateSwitcher.show();
+		} else {
+			_stateSwitcher.hide();
+			_stateSwitcher.setSelected(0);
+		}
+		resizeEvent(0);
+	}
+	if (filterText.isEmpty() && !_cancelSearch.isHidden()) {
+		_cancelSearch.hide();
+		_newGroup.show();
+	} else if (!filterText.isEmpty() && _cancelSearch.isHidden()) {
+		_cancelSearch.show();
+		_newGroup.hide();
+	}
 }
 
 void DialogsWidget::resizeEvent(QResizeEvent *e) {
 	int32 w = width() - st::dlgShadow;
 	_filter.setGeometry(st::dlgPaddingHor, st::dlgFilterPadding, w - 2 * st::dlgPaddingHor, _filter.height());
+	_stateSwitcher.setGeometry(st::dlgPaddingHor, st::dlgFilterPadding * 2 + _filter.height(), _filter.width(), _filter.height());
 	_newGroup.move(w - _newGroup.width() - st::dlgPaddingHor, _filter.y());
 	_addContact.move(w - _addContact.width() - st::dlgPaddingHor, _filter.y());
-	scroll.resize(w, height() - _filter.y() - _filter.height() - st::dlgFilterPadding - st::dlgPaddingVer);
+	_cancelSearch.move(w - _cancelSearch.width() - st::dlgPaddingHor, _filter.y());
+	if (_stateSwitcher.isHidden()) {
+		scroll.move(0, _filter.height() + 2 * st::dlgFilterPadding);
+		scroll.resize(w, height() - _filter.y() - _filter.height() - st::dlgFilterPadding - st::dlgPaddingVer);
+	} else {
+		scroll.move(0, _filter.height() + _stateSwitcher.height() + 3 * st::dlgFilterPadding);
+		scroll.resize(w, height() - _stateSwitcher.y() - _stateSwitcher.height() - st::dlgFilterPadding - st::dlgPaddingVer);
+	}
 	list.resize(w, list.height());
 	onListScroll();
 }
@@ -940,7 +1209,9 @@ void DialogsWidget::keyPressEvent(QKeyEvent *e) {
 	if (e->key() == Qt::Key_Escape) {
 		e->ignore();
 	} else if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) {
-		list.choosePeer();
+		if (!list.choosePeer() && list.state() == DialogsListWidget::SearchedState) {
+			onSearchMessages();
+		}
 	} else if (e->key() == Qt::Key_Down) {
 		list.setMouseSel(false);
 		list.selectSkip(1);
@@ -981,7 +1252,9 @@ PeerData *DialogsWidget::peerAfter(const PeerData *peer) const {
 }
 
 void DialogsWidget::scrollToPeer(const PeerId &peer) {
-	list.scrollToPeer(peer);
+	if (list.state() != DialogsListWidget::SearchedState) {
+		list.scrollToPeer(peer);
+	}
 }
 
 void DialogsWidget::removePeer(PeerData *peer) {
@@ -1008,6 +1281,32 @@ void DialogsWidget::onNewGroup() {
 	App::wnd()->showLayer(new NewGroupBox());
 }
 
+void DialogsWidget::onCancelSearch() {
+	list.clearFilter();
+	_filter.clear();
+	_filter.updatePlaceholder();
+	onFilterUpdate();
+}
+
+void DialogsWidget::onStateChange() {
+	if (!_stateSwitcher.isHidden()) {
+		if (_stateSwitcher.selected() == 0) {
+			list.setState(DialogsListWidget::FilteredState);
+			_searchQuery = QString();
+			if (_searchRequest) {
+				MTP::cancel(_searchRequest);
+				_searchRequest = 0;
+			}
+		} else {
+			list.setState(DialogsListWidget::SearchedState);
+		}
+		list.onFilterUpdate(_filter.text());
+		if (list.state() == DialogsListWidget::SearchedState) {
+			onSearchMessages(true);
+		}
+	}
+}
+
 void DialogsWidget::onDialogToTopFrom(int movedFrom) {
 	if (scroll.scrollTop() > 0) {
 		if (movedFrom > scroll.scrollTop()) {

Telegram/SourceFiles/dialogswidget.h

@@ -27,6 +27,7 @@ public:
 	DialogsListWidget(QWidget *parent, MainWidget *main);
 
 	void dialogsReceived(const QVector<MTPDialog> &dialogs);
+	void searchReceived(const QVector<MTPMessage> &messages, bool fromStart);
 	void showMore(int32 pixels);
 
 	void activate();
@@ -53,7 +54,7 @@ public:
 	void clearFilter();
 	void refresh(bool toTop = false);
 
-	void choosePeer();
+	bool choosePeer();
 
 	void destroyData();
 
@@ -61,11 +62,26 @@ public:
 	PeerData *peerAfter(const PeerData *peer) const;
 	void scrollToPeer(const PeerId &peer);
 	
+	typedef QVector<FakeDialogRow*> SearchResults;
+
 	DialogsIndexed &contactsList();
 	DialogsIndexed &dialogsList();
+	SearchResults &searchList();
 
 	void setMouseSel(bool msel, bool toTop = false);
 
+	enum State {
+		DefaultState = 0,
+		FilteredState = 1,
+		SearchedState = 2,
+	};
+	void setState(State newState);
+	State state() const;
+
+	void onFilterUpdate(QString newFilter, bool force = false);
+
+	~DialogsListWidget();
+
 public slots:
 
 	void onUpdateSelected(bool force = false);
@@ -74,17 +90,21 @@ public slots:
 	void onPeerNameChanged(PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars);
 	void onPeerPhotoChanged(PeerData *peer);
 	void onDialogRowReplaced(DialogRow *oldRow, DialogRow *newRow);
-	void onFilterUpdate(QString newFilter);
+
+	void onItemRemoved(HistoryItem *item);
+	void onItemReplaced(HistoryItem *oldItem, HistoryItem *newItem);
 
 signals:
 
-	void peerChosen(const PeerId &);
+	void peerChosen(const PeerId &, MsgId);
 	void mustScrollTo(int scrollToTop, int scrollToBottom);
 	void dialogToTopFrom(int movedFrom);
+	void searchMessages();
 
 private:
 
 	void addDialog(const MTPDdialog &dialog);
+	void clearSearchResults();
 
 	DialogsIndexed dialogs;
 	DialogsIndexed contactsNoDialogs;
@@ -95,9 +115,17 @@ private:
 
 	QString filter;
 	typedef QVector<DialogRow*> FilteredDialogs;
-	FilteredDialogs filtered;
+	FilteredDialogs filterResults;
 	int32 filteredSel;
 
+	SearchResults searchResults;
+	int32 searchedSel;
+
+	State _state;
+
+	QTimer _updateSearchTimer;
+	QString _searchQuery;
+
 	QPoint lastMousePos;
 
 	void paintDialog(QPainter &p, DialogRow *dialog);
@@ -112,6 +140,7 @@ public:
 
 	void dialogsReceived(const MTPmessages_Dialogs &dialogs);
 	void contactsReceived(const MTPcontacts_Contacts &contacts);
+	void searchReceived(bool fromStart, const MTPmessages_Messages &result, mtpRequestId req);
 	bool addNewContact(int32 uid, bool show = true);
 	
 	void resizeEvent(QResizeEvent *e);
@@ -143,10 +172,13 @@ public:
 	DialogsIndexed &contactsList();
 
 	void enableShadow(bool enable = true);
+	
+	void onSearchMore(MsgId minMsgId);
+	void clearFiltered();
 
 signals:
 
-	void peerChosen(const PeerId &);
+	void peerChosen(const PeerId &, MsgId);
 	void cancelled();
 
 public slots:
@@ -157,8 +189,12 @@ public slots:
 	void onFilterUpdate();
 	void onAddContact();
 	void onNewGroup();
+	void onCancelSearch();
+
+	void onStateChange();
 
 	void onDialogToTopFrom(int movedFrom);
+	void onSearchMessages(bool force = false);
 
 private:
 
@@ -169,15 +205,21 @@ private:
 
 	void unreadCountsReceived(const QVector<MTPDialog> &dialogs);
 	bool dialogsFailed(const RPCError &e);
-
 	bool contactsFailed();
+	bool searchFailed(const RPCError &error, mtpRequestId req);
 
 	int32 dlgOffset, dlgCount;
 	mtpRequestId dlgPreloading;
 	mtpRequestId contactsRequest;
 
 	FlatInput _filter;
-	IconedButton _newGroup, _addContact;
+	Switcher _stateSwitcher;
+	IconedButton _newGroup, _addContact, _cancelSearch;
 	ScrollArea scroll;
 	DialogsListWidget list;
+
+	QString _searchQuery;
+	bool _searchFull;
+	mtpRequestId _searchRequest;
+
 };

Telegram/SourceFiles/fileuploader.cpp

@@ -115,6 +115,9 @@ void FileUploader::sendNext() {
 			}
 		} else {
 			toSend = i->media.data.mid(i->docSentParts * i->docPartSize, i->docPartSize);
+			if (i->media.type == ToPrepareDocument && i->docSentParts <= UseBigFilesFrom) {
+				i->docHash.feed(toSend.constData(), toSend.size());
+			}
 		}
 		if (toSend.size() > i->docPartSize || (toSend.size() < i->docPartSize && i->docSentParts + 1 != i->docPartsCount)) {
 			currentFailed();

Telegram/SourceFiles/gui/animation.h

@@ -224,7 +224,7 @@ public:
 			}
 		} else {
 			if (!objs.size()) {
-				timer.start(7);
+				timer.start(AnimationTimerDelta);
 			}
 			objs.insert(obj);
 		}

Telegram/SourceFiles/gui/switcher.cpp

@@ -0,0 +1,157 @@
+/*
+This file is part of Telegram Desktop,
+an unofficial desktop messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014 John Preston, https://tdesktop.com
+*/
+#include "stdafx.h"
+#include "switcher.h"
+
+Switcher::Switcher(QWidget *parent, const style::switcher &st) : TWidget(parent)
+, _selected(0)
+, _over(-1)
+, _wasOver(-1)
+, _pressed(-1)
+, _st(st)
+, a_bgOver(_st.bgColor->c)
+, a_bgWasOver(_st.bgHovered->c) {
+	resize(width(), _st.height);
+}
+
+void Switcher::leaveEvent(QEvent *e) {
+	setOver(-1);
+	if (_pressed >= 0) return;
+
+	setMouseTracking(false);
+	return TWidget::leaveEvent(e);
+}
+
+void Switcher::enterEvent(QEvent *e) {
+	setMouseTracking(true);
+	return TWidget::enterEvent(e);
+}
+
+void Switcher::mousePressEvent(QMouseEvent *e) {
+	if (e->buttons() & Qt::LeftButton) {
+		mouseMoveEvent(e);
+		if (_over != _pressed) {
+			_pressed = _over;
+			e->accept();
+		}
+	}
+}
+
+void Switcher::mouseMoveEvent(QMouseEvent *e) {
+	if (rect().contains(e->pos())) {
+		if (width()) {
+			setOver((e->pos().x() * _buttons.size()) / width());
+		}
+	} else {
+		setOver(-1);
+	}
+}
+
+void Switcher::mouseReleaseEvent(QMouseEvent *e) {
+	if (_pressed >= 0) {
+		if (_pressed == _over && _pressed != _selected) {
+			setSelected(_pressed);
+		} else {
+			setSelected(_selected);
+		}
+	} else {
+		leaveEvent(e);
+	}
+}
+
+void Switcher::addButton(const QString &btn) {
+	_buttons.push_back(btn);
+	update();
+}
+
+bool Switcher::animStep(float64 ms) {
+	float64 dt = ms / _st.duration;
+	bool res = true;
+	if (dt >= 1) {
+		res = false;
+		a_bgOver.finish();
+		a_bgWasOver.finish();
+	} else {
+		a_bgOver.update(dt, anim::linear);
+		a_bgWasOver.update(dt, anim::linear);
+	}
+	update();
+	return res;
+}
+
+void Switcher::paintEvent(QPaintEvent *e) {
+	QPainter p(this);
+
+	p.fillRect(rect(), _st.bgColor->b);
+	if (!_buttons.isEmpty()) {
+		p.setFont(_st.font->f);
+		float64 btnWidth = float64(width()) / _buttons.size();
+		for (int i = 0; i < _buttons.size(); ++i) {
+			QRect btnRect(qRound(i * btnWidth), 0, qRound((i + 1) * btnWidth) - qRound(i * btnWidth), height());
+			if (i == _selected) {
+				p.fillRect(btnRect, _st.bgActive->b);
+			} else if (i == _over) {
+				p.fillRect(btnRect, a_bgOver.current());
+			} else if (i == _wasOver) {
+				p.fillRect(btnRect, a_bgWasOver.current());
+			}
+			p.setPen((i == _selected ? _st.activeColor : _st.textColor)->p);
+			p.drawText(btnRect, _buttons[i], style::al_center);
+		}
+	}
+	if (_st.border) {
+		p.setPen(_st.borderColor->p);
+		for (uint32 i = 0; i < _st.border; ++i) {
+			p.drawRect(i, i, width() - 2 * i - 1, height() - 2 * i - 1);
+		}
+	}
+}
+
+int Switcher::selected() const {
+	return _selected;
+}
+
+void Switcher::setSelected(int selected) {
+	if (selected != _selected) {
+		_selected = selected;
+		emit changed();
+	}
+	_pressed = _over = _wasOver = -1;
+	anim::stop(this);
+	setCursor(style::cur_default);
+	update();
+}
+
+void Switcher::setOver(int over) {
+	if (over != _over) {
+		QColor c(a_bgOver.current());
+		if (_wasOver == over) {
+			a_bgOver = anim::cvalue(a_bgWasOver.current(), _st.bgHovered->c);
+		} else {
+			a_bgOver = anim::cvalue(_st.bgColor->c, _st.bgHovered->c);
+		}
+		a_bgWasOver = anim::cvalue(c, _st.bgColor->c);
+
+		_wasOver = _over;
+		_over = over;
+
+		anim::start(this);
+
+		setCursor((_over >= 0 && _over != _selected) ? style::cur_pointer : style::cur_default);
+	}
+}

Telegram/SourceFiles/gui/switcher.h

@@ -0,0 +1,62 @@
+/*
+This file is part of Telegram Desktop,
+an unofficial desktop messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014 John Preston, https://tdesktop.com
+*/
+#pragma once
+
+#include <QtWidgets/QWidget>
+#include "gui/twidget.h"
+
+class Switcher : public TWidget, public Animated {
+	Q_OBJECT
+
+public:
+	Switcher(QWidget *parent, const style::switcher &st);
+
+	void mousePressEvent(QMouseEvent *e);
+	void mouseMoveEvent(QMouseEvent *e);
+	void mouseReleaseEvent(QMouseEvent *e);
+
+	void paintEvent(QPaintEvent *e);
+
+	void enterEvent(QEvent *e);
+	void leaveEvent(QEvent *e);
+
+	void addButton(const QString &btn);
+
+	bool animStep(float64 ms);
+
+	int selected() const;
+	void setSelected(int selected);
+
+signals:
+
+	void changed();
+
+private:
+
+	void setOver(int over);
+
+	int _selected;
+	int _over, _wasOver, _pressed;
+
+	typedef QVector<QString> Buttons;
+	Buttons _buttons;
+
+	style::switcher _st;
+	anim::cvalue a_bgOver, a_bgWasOver;
+
+};

Telegram/SourceFiles/history.cpp

@@ -499,7 +499,8 @@ void DialogRow::paint(QPainter &p, int32 w, bool act, bool sel) const {
 		rectForName.setLeft(rectForName.left() + st::dlgChatImgSkip);
 	}
 
-	if (history->isEmpty()) {
+	HistoryItem *last = history->last;
+	if (!last) {
 		p.setFont(st::dlgHistFont->f);
 		p.setPen((act ? st::dlgActiveColor : st::dlgSystemColor)->p);
 		if (history->typing.isEmpty()) {
@@ -509,7 +510,6 @@ void DialogRow::paint(QPainter &p, int32 w, bool act, bool sel) const {
 		}
 	} else {
 		// draw date
-		HistoryItem *last = history->back()->back();
 		QDateTime now(QDateTime::currentDateTime()), lastTime(last->date);
 		QDate nowDate(now.date()), lastDate(lastTime.date());
 		QString dt;
@@ -571,17 +571,77 @@ void DialogRow::paint(QPainter &p, int32 w, bool act, bool sel) const {
 	history->nameText.drawElided(p, rectForName.left(), rectForName.top(), rectForName.width());
 }
 
+void FakeDialogRow::paint(QPainter &p, int32 w, bool act, bool sel) const {
+	QRect fullRect(0, 0, w, st::dlgHeight);
+	p.fillRect(fullRect, (act ? st::dlgActiveBG : (sel ? st::dlgHoverBG : st::dlgBG))->b);
+
+	History *history = _item->history();
+
+	p.drawPixmap(st::dlgPaddingHor, st::dlgPaddingVer, history->peer->photo->pix(st::dlgPhotoSize));
+
+	int32 nameleft = st::dlgPaddingHor + st::dlgPhotoSize + st::dlgPhotoPadding;
+	int32 namewidth = w - nameleft - st::dlgPaddingHor;
+	QRect rectForName(nameleft, st::dlgPaddingVer + st::dlgNameTop, namewidth, st::msgNameFont->height);
+
+	// draw chat icon
+	if (history->peer->chat) {
+		p.drawPixmap(QPoint(rectForName.left() + st::dlgChatImgLeft, rectForName.top() + st::dlgChatImgTop), App::sprite(), (act ? st::dlgActiveChatImg : st::dlgChatImg));
+		rectForName.setLeft(rectForName.left() + st::dlgChatImgSkip);
+	}
+
+	// draw date
+	QDateTime now(QDateTime::currentDateTime()), lastTime(_item->date);
+	QDate nowDate(now.date()), lastDate(lastTime.date());
+	QString dt;
+	if (lastDate == nowDate) {
+		dt = lastTime.toString(qsl("hh:mm"));
+	} else if (lastDate.year() == nowDate.year() && lastDate.weekNumber() == nowDate.weekNumber()) {
+		dt = langDayOfWeek(lastDate);
+	} else {
+		dt = lastDate.toString(qsl("d.MM.yy"));
+	}
+	int32 dtWidth = st::dlgDateFont->m.width(dt);
+	rectForName.setWidth(rectForName.width() - dtWidth - st::dlgDateSkip);
+	p.setFont(st::dlgDateFont->f);
+	p.setPen((act ? st::dlgActiveDateColor : st::dlgDateColor)->p);
+	p.drawText(rectForName.left() + rectForName.width() + st::dlgDateSkip, rectForName.top() + st::msgNameFont->height - st::msgDateFont->descent, dt);
+
+	// draw check
+	if (_item->out() && _item->needCheck()) {
+		const style::sprite *check;
+		if (_item->id > 0) {
+			if (_item->unread()) {
+				check = act ? &st::dlgActiveCheckImg : &st::dlgCheckImg;
+			} else {
+				check = act ? &st::dlgActiveDblCheckImg : &st::dlgDblCheckImg;
+			}
+		} else {
+			check = act ? &st::dlgActiveSendImg : &st::dlgSendImg;
+		}
+		rectForName.setWidth(rectForName.width() - check->pxWidth() - st::dlgCheckSkip);
+		p.drawPixmap(QPoint(rectForName.left() + rectForName.width() + st::dlgCheckLeft, rectForName.top() + st::dlgCheckTop), App::sprite(), *check);
+	}
+
+	// draw unread
+	int32 lastWidth = namewidth, unread = history->unreadCount;
+	_item->drawInDialog(p, QRect(nameleft, st::dlgPaddingVer + st::dlgFont->height + st::dlgSep, lastWidth, st::dlgFont->height), act, _cacheFor, _cache);
+
+	p.setPen((act ? st::dlgActiveColor : st::dlgNameColor)->p);
+	history->nameText.drawElided(p, rectForName.left(), rectForName.top(), rectForName.width());
+}
+
 History::History(const PeerId &peerId) : width(0), height(0)
 , msgCount(0)
-, offset(0)
 , unreadCount(0)
 , inboxReadTill(0)
 , outboxReadTill(0)
 , showFrom(0)
-, notifyFrom(0)
 , unreadBar(0)
-, unreadLoaded(true)
 , peer(App::peer(peerId))
+, oldLoaded(false)
+, newLoaded(true)
+, last(0)
+, activeMsgId(0)
 , lastWidth(0)
 , lastScrollTop(History::ScrollMax)
 , mute(isNotifyMuted(peer->notify))
@@ -746,7 +806,7 @@ Histories::Parent::iterator Histories::erase(Histories::Parent::iterator i) {
 	return Parent::erase(i);
 }
 
-PeerId Histories::addToBack(const MTPmessage &msg, bool newMsg) {
+HistoryItem *Histories::addToBack(const MTPmessage &msg, int msgState) {
 	PeerId from_id = 0, to_id = 0;
 	switch (msg.type()) {
 	case mtpc_message:
@@ -770,11 +830,24 @@ PeerId Histories::addToBack(const MTPmessage &msg, bool newMsg) {
 	if (h == end()) {
 		h = insert(peer, new History(peer));
 	}
-	h.value()->addToBack(msg, newMsg);
+	if (msgState < 0) {
-	return peer;
+		return h.value()->addToHistory(msg);
+	}
+	if (!h.value()->loadedAtBottom()) {
+		HistoryItem *item = h.value()->addToHistory(msg);
+		if (item) {
+			h.value()->last = item;
+			if (msgState > 0) {
+				h.value()->newItemAdded(item);
+			}
+		}
+		return item;
+	}
+	return h.value()->addToBack(msg, msgState > 0);
 }
+
 /*
-PeerId Histories::addToBack(const MTPgeoChatMessage &msg, bool newMsg) {
+HistoryItem *Histories::addToBack(const MTPgeoChatMessage &msg, bool newMsg) {
 	PeerId peer = 0;
 	switch (msg.type()) {
 	case mtpc_geoChatMessage:
@@ -790,11 +863,10 @@ PeerId Histories::addToBack(const MTPgeoChatMessage &msg, bool newMsg) {
 	if (h == end()) {
 		h = insert(peer, new History(peer));
 	}
-	h.value()->addToBack(msg, newMsg);
+	return h.value()->addToBack(msg, newMsg);
-	return peer;
 }/**/
 
-HistoryItem *History::createItem(HistoryBlock *block, const MTPmessage &msg, bool newMsg) {
+HistoryItem *History::createItem(HistoryBlock *block, const MTPmessage &msg, bool newMsg, bool returnExisting) {
 	HistoryItem *result = 0;
 
 	switch (msg.type()) {
@@ -870,7 +942,7 @@ HistoryItem *History::createItem(HistoryBlock *block, const MTPmessage &msg, boo
 	} break;
 	}
 
-	return regItem(result);
+	return regItem(result, returnExisting);
 }
 
 HistoryItem *History::createItemForwarded(HistoryBlock *block, MsgId id, HistoryMessage *msg) {
@@ -902,7 +974,7 @@ HistoryItem *History::createItem(HistoryBlock *block, const MTPgeoChatMessage &m
 	return regItem(result);
 }
 /**/
-void History::addToBackService(MsgId msgId, QDateTime date, const QString &text, bool out, bool unread, HistoryMedia *media, bool newMsg) {
+HistoryItem *History::addToBackService(MsgId msgId, QDateTime date, const QString &text, bool out, bool unread, HistoryMedia *media, bool newMsg) {
 	HistoryBlock *to = 0;
 	bool newBlock = isEmpty();
 	if (newBlock) {
@@ -911,10 +983,10 @@ void History::addToBackService(MsgId msgId, QDateTime date, const QString &text,
 		to = back();
 	}
 
-	doAddToBack(to, newBlock, regItem(new HistoryServiceMsg(this, to, msgId, date, text, out, unread, media)), newMsg);
+	return doAddToBack(to, newBlock, regItem(new HistoryServiceMsg(this, to, msgId, date, text, out, unread, media)), newMsg);
 }
 
-void History::addToBack(const MTPmessage &msg, bool newMsg) {
+HistoryItem *History::addToBack(const MTPmessage &msg, bool newMsg) {
 	HistoryBlock *to = 0;
 	bool newBlock = isEmpty();
 	if (newBlock) {
@@ -922,10 +994,14 @@ void History::addToBack(const MTPmessage &msg, bool newMsg) {
 	} else {
 		to = back();
 	}
-	doAddToBack(to, newBlock, createItem(to, msg, newMsg), newMsg);
+	return doAddToBack(to, newBlock, createItem(to, msg, newMsg), newMsg);
 }
 
-void History::addToBackForwarded(MsgId id, HistoryMessage *item) {
+HistoryItem *History::addToHistory(const MTPmessage &msg) {
+	return createItem(0, msg, false, true);
+}
+
+HistoryItem *History::addToBackForwarded(MsgId id, HistoryMessage *item) {
 	HistoryBlock *to = 0;
 	bool newBlock = isEmpty();
 	if (newBlock) {
@@ -933,11 +1009,11 @@ void History::addToBackForwarded(MsgId id, HistoryMessage *item) {
 	} else {
 		to = back();
 	}
-	doAddToBack(to, newBlock, createItemForwarded(to, id, item), true);
+	return doAddToBack(to, newBlock, createItemForwarded(to, id, item), true);
 }
 
 /*
-void History::addToBack(const MTPgeoChatMessage &msg, bool newMsg) {
+HistoryItem *History::addToBack(const MTPgeoChatMessage &msg, bool newMsg) {
 	HistoryBlock *to = 0;
 	bool newBlock = isEmpty();
 	if (newBlock) {
@@ -946,7 +1022,7 @@ void History::addToBack(const MTPgeoChatMessage &msg, bool newMsg) {
 		to = back();
 	}
 
-	doAddToBack(to, newBlock, createItem(to, msg, newMsg), newMsg);
+	return doAddToBack(to, newBlock, createItem(to, msg, newMsg), newMsg);
 }
 /**/
 
@@ -965,10 +1041,10 @@ void History::createInitialDateBlock(const QDateTime &date) {
 	push_front(dateBlock); // date block
 }
 
-void History::doAddToBack(HistoryBlock *to, bool newBlock, HistoryItem *adding, bool newMsg) {
+HistoryItem *History::doAddToBack(HistoryBlock *to, bool newBlock, HistoryItem *adding, bool newMsg) {
 	if (!adding) {
 		if (newBlock) delete to;
-		return;
+		return adding;
 	}
 
 	if (newBlock) {
@@ -987,6 +1063,7 @@ void History::doAddToBack(HistoryBlock *to, bool newBlock, HistoryItem *adding,
 		}
 	}
 	to->push_back(adding);
+	last = adding;
 	adding->y = to->height;
 	if (width) {
 		int32 dh = adding->resize(width);
@@ -994,37 +1071,42 @@ void History::doAddToBack(HistoryBlock *to, bool newBlock, HistoryItem *adding,
 		height += dh;
 	}
 	setMsgCount(msgCount + 1);
-	if (adding->id > 0) {
-		++offset;
-	}
 	if (newMsg) {
-		App::checkImageCacheSize();
+		newItemAdded(adding);
-		if (adding->from()) {
+	}
-			TypingUsers::iterator i = typing.find(adding->from());
+	return adding;
-			if (i != typing.end()) {
+}
-				uint64 ms = getms();
+
-				i.value() = ms;
+void History::newItemAdded(HistoryItem *item) {
-				updateTyping(ms, 0, true);
+	App::checkImageCacheSize();
-				App::main()->topBar()->update();
+	if (item->from()) {
-			}
+		TypingUsers::iterator i = typing.find(item->from());
-		}
+		if (i != typing.end()) {
-		if (adding->out()) {
+			uint64 ms = getms();
-			inboxRead(false);
+			i.value() = ms;
-			if (unreadBar) unreadBar->destroy();
+			updateTyping(ms, 0, true);
-		} else if (adding->unread()) {
+			App::main()->topBar()->update();
-			if (!notifyFrom) notifyFrom = adding;
-			App::main()->newUnreadMsg(this, adding->id);
-		}
-		if (dialogs.isEmpty()) {
-			App::main()->createDialogAtTop(this, unreadCount);
-		} else {
-			emit App::main()->dialogToTop(dialogs);
 		}
 	}
+	if (item->out()) {
+		inboxRead(false);
+		if (unreadBar) unreadBar->destroy();
+	} else if (item->unread()) {
+		notifies.push_back(item);
+		App::main()->newUnreadMsg(this, item->id);
+	}
+	if (dialogs.isEmpty()) {
+		App::main()->createDialogAtTop(this, unreadCount);
+	} else {
+		emit App::main()->dialogToTop(dialogs);
+	}
 }
 
 void History::addToFront(const QVector<MTPMessage> &slice) {
-	if (slice.isEmpty()) return;
+	if (slice.isEmpty()) {
+		oldLoaded = true;
+		return;
+	}
 
 	int32 addToH = 0, skip = 0;
 	if (!isEmpty()) {
@@ -1049,9 +1131,6 @@ void History::addToFront(const QVector<MTPMessage> &slice) {
 			adding->y = block->height;
 			block->height += adding->resize(width);
 			setMsgCount(msgCount + 1);
-			if (adding->id > 0) {
-				++offset;
-			}
 			prev = adding;
 		}
 		if (i == e) break;
@@ -1063,7 +1142,7 @@ void History::addToFront(const QVector<MTPMessage> &slice) {
 		block->height += dayItem->resize(width);
 	}
 	if (block->size()) {
-		if (wasMsgCount < unreadCount && msgCount >= unreadCount) {
+		if (wasMsgCount < unreadCount && msgCount >= unreadCount && !activeMsgId) {
 			for (int32 i = block->size(); i > 0; --i) {
 				if ((*block)[i - 1]->itemType() == HistoryItem::MsgType) {
 					++wasMsgCount;
@@ -1105,9 +1184,66 @@ void History::addToFront(const QVector<MTPMessage> &slice) {
 	}
 }
 
+void History::addToBack(const QVector<MTPMessage> &slice) {
+	if (slice.isEmpty()) {
+		newLoaded = true;
+		return;
+	}
+
+	bool wasEmpty = isEmpty();
+
+	HistoryItem *prev = isEmpty() ? 0 : back()->back();
+
+	HistoryBlock *block = new HistoryBlock(this);
+	block->reserve(slice.size());
+	int32 wasMsgCount = msgCount;
+	for (QVector<MTPmessage>::const_iterator i = slice.cend(), e = slice.cbegin(); i != e;) {
+		--i;
+		HistoryItem *adding = createItem(block, *i, false);
+		if (adding) {
+			if (prev && prev->date.date() != adding->date.date()) {
+				HistoryItem *dayItem = createDayServiceMsg(this, block, adding->date);
+				prev->block()->push_back(dayItem);
+				dayItem->y = prev->block()->height;
+				prev->block()->height += dayItem->resize(width);
+				if (prev->block() != block) {
+					height += dayItem->height();
+				}
+			}
+			block->push_back(adding);
+			adding->y = block->height;
+			block->height += adding->resize(width);
+			setMsgCount(msgCount + 1);
+			prev = adding;
+		}
+		if (i == e) break;
+	}
+	if (block->size()) {
+		block->y = height;
+		push_back(block);
+		height += block->height;
+	} else {
+		newLoaded = true;
+		fixLastMessage(true);
+		delete block;
+	}
+	if (wasEmpty && !isEmpty()) {
+		HistoryBlock *dateBlock = new HistoryBlock(this);
+		HistoryItem *dayItem = createDayServiceMsg(this, dateBlock, front()->front()->date);
+		dateBlock->push_back(dayItem);
+		int32 dh = dayItem->resize(width);
+		dateBlock->height = dh;
+		for (iterator i = begin(), e = end(); i != e; ++i) {
+			(*i)->y += dh;
+		}
+		push_front(dateBlock); // date block
+		height += dh;
+	}
+}
+
 void History::inboxRead(bool byThisInstance) {
 	if (unreadCount) {
-		if (!byThisInstance) App::main()->historyToDown(this);
+		if (!byThisInstance && loadedAtBottom()) App::main()->historyToDown(this);
 		setUnreadCount(0);
 	}
 	if (!isEmpty()) {
@@ -1118,7 +1254,7 @@ void History::inboxRead(bool byThisInstance) {
 		if (App::main()) App::main()->dlgUpdated(dialogs[0]);
 	}
 	App::wnd()->psClearNotify(this);
-	clearNotifyFrom();
+	clearNotifications();
 }
 
 void History::outboxRead() {
@@ -1130,7 +1266,7 @@ void History::outboxRead() {
 
 void History::setUnreadCount(int32 newUnreadCount, bool psUpdate) {
 	if (unreadCount != newUnreadCount) {
-		if (!unreadCount && newUnreadCount == 1) {
+		if (!unreadCount && newUnreadCount == 1 && loadedAtBottom()) {
 			showFrom = isEmpty() ? 0 : back()->back();
 		} else if (!newUnreadCount) {
 			showFrom = 0;
@@ -1138,7 +1274,6 @@ void History::setUnreadCount(int32 newUnreadCount, bool psUpdate) {
 		App::histories().unreadFull += newUnreadCount - unreadCount;
 		if (mute) App::histories().unreadMuted += newUnreadCount - unreadCount;
 		unreadCount = newUnreadCount;
-		unreadLoaded = (unreadCount <= msgCount);
 		if (psUpdate) App::wnd()->psUpdateCounter();
 		if (unreadBar) unreadBar->setCount(unreadCount);
 	}
@@ -1147,7 +1282,6 @@ void History::setUnreadCount(int32 newUnreadCount, bool psUpdate) {
 void History::setMsgCount(int32 newMsgCount) {
 	if (msgCount != newMsgCount) {
 		msgCount = newMsgCount;
-		unreadLoaded = (unreadCount <= msgCount);
 	}
 }
 
@@ -1160,6 +1294,10 @@ void History::setMsgCount(int32 newMsgCount) {
 }
 
 void History::getNextShowFrom(HistoryBlock *block, int32 i) {
+	if (!loadedAtBottom()) {
+		showFrom = 0;
+		return;
+	}
 	if (i >= 0) {
 		int32 l = block->size();
 		for (++i; i < l; ++i) {
@@ -1186,7 +1324,7 @@ void History::getNextShowFrom(HistoryBlock *block, int32 i) {
 }
 
 void History::addUnreadBar() {
-	if (unreadBar || !showFrom || !unreadCount) return;
+	if (unreadBar || !showFrom || !unreadCount || !loadedAtBottom()) return;
 
 	HistoryBlock *block = showFrom->block();
 	int32 i = block->indexOf(showFrom);
@@ -1210,41 +1348,77 @@ void History::addUnreadBar() {
 	height += dh;
 }
 
-void History::getNextNotifyFrom(HistoryBlock *block, int32 i) {
+void History::clearNotifications() {
-	if (!block) {
+	notifies.clear();
-		if (!notifyFrom) {
-			return;
-		}
-		block = notifyFrom->block();
-		i = block->indexOf(notifyFrom);
-	}
-	if (i >= 0) {
-		int32 l = block->size();
-		for (++i; i < l; ++i) {
-			if ((*block)[i]->unread() && !(*block)[i]->out()) {
-				notifyFrom = (*block)[i];
-				return;
-			}
-		}
-	}
-
-	int32 j = indexOf(block), s = size();
-	if (j >= 0) {
-		for (++j; j < s; ++j) {
-			block = (*this)[j];
-			for (int32 i = 0, l = block->size(); i < l; ++i) {
-				if ((*block)[i]->unread() && !(*block)[i]->out()) {
-					notifyFrom = (*block)[i];
-					return;
-				}
-			}
-		}
-	}
-	notifyFrom = 0;
 }
 
-void History::clearNotifyFrom() {
+bool History::readyForWork() const {
-	notifyFrom = 0;
+	return activeMsgId ? !isEmpty() : (unreadCount <= msgCount);
+}
+
+bool History::loadedAtBottom() const {
+	return newLoaded;
+}
+
+bool History::loadedAtTop() const {
+	return oldLoaded;
+}
+
+void History::fixLastMessage(bool wasAtBottom) {
+	if (wasAtBottom && isEmpty()) {
+		wasAtBottom = false;
+	}
+	if (wasAtBottom) {
+		last = back()->back();
+	} else {
+		last = 0;
+		if (App::main()) {
+			App::main()->checkPeerHistory(peer);
+		}
+	}
+}
+
+void History::loadAround(MsgId msgId) {
+	if (activeMsgId != msgId) {
+		activeMsgId = msgId;
+		lastWidth = 0;
+		if (activeMsgId) {
+			HistoryItem *item = App::histItemById(activeMsgId);
+			if (!item || !item->block()) {
+				clear(true);
+			}
+			newLoaded = last && !last->detached();
+		} else {
+			if (!loadedAtBottom()) {
+				clear(true);
+			}
+			newLoaded = isEmpty() || last && !last->detached();
+		}
+	}
+}
+
+MsgId History::minMsgId() const {
+	for (const_iterator i = cbegin(), e = cend(); i != e; ++i) {
+		for (HistoryBlock::const_iterator j = (*i)->cbegin(), en = (*i)->cend(); j != en; ++j) {
+			if ((*j)->id > 0) {
+				return (*j)->id;
+			}
+		}
+	}
+	return 0;
+}
+
+MsgId History::maxMsgId() const {
+	for (const_iterator i = cend(), e = cbegin(); i != e;) {
+		--i;
+		for (HistoryBlock::const_iterator j = (*i)->cend(), en = (*i)->cbegin(); j != en;) {
+			--j;
+			if ((*j)->id > 0) {
+				return (*j)->id;
+			}
+		}
+	}
+	return 0;
 }
 
 int32 History::geomResize(int32 newWidth, int32 *ytransform) {
@@ -1269,13 +1443,26 @@ int32 History::geomResize(int32 newWidth, int32 *ytransform) {
 	return height;
 }
 
-void History::clear() {
+void History::clear(bool leaveItems) {
+	if (unreadBar) {
+		unreadBar->destroy();
+	}
+	if (showFrom) {
+		showFrom = 0;
+	}
 	for (Parent::const_iterator i = cbegin(), e = cend(); i != e; ++i) {
+		if (leaveItems) {
+			(*i)->clear(true);
+		}
 		delete *i;
 	}
 	Parent::clear();
-	setUnreadCount(0);
 	setMsgCount(0);
+	if (!leaveItems) {
+		setUnreadCount(0);
+	}
+	height = 0;
+	oldLoaded = false;
 }
 
 History::Parent::iterator History::erase(History::Parent::iterator i) {
@@ -1328,12 +1515,19 @@ int32 HistoryBlock::geomResize(int32 newWidth, int32 *ytransform) {
 	return height;
 }
 
-void HistoryBlock::clear() {
+void HistoryBlock::clear(bool leaveItems) {
-	for (Parent::const_iterator i = cbegin(), e = cend(); i != e; ++i) {
+	if (leaveItems) {
-		delete *i;
+		for (Parent::const_iterator i = cbegin(), e = cend(); i != e; ++i) {
+			(*i)->detachFast();
+		}
+	} else {
+		for (Parent::const_iterator i = cbegin(), e = cend(); i != e; ++i) {
+			delete *i;
+		}
 	}
 	Parent::clear();
 }
+
 HistoryBlock::Parent::iterator HistoryBlock::erase(HistoryBlock::Parent::iterator i) {
 	delete *i;
 	return Parent::erase(i);
@@ -1341,9 +1535,6 @@ HistoryBlock::Parent::iterator HistoryBlock::erase(HistoryBlock::Parent::iterato
 
 void HistoryBlock::removeItem(HistoryItem *item) {
 	int32 i = indexOf(item), dh = 0;
-	if (history->notifyFrom == item) {
-		history->getNextNotifyFrom(this, i);
-	}
 	if (history->showFrom == item) {
 		history->getNextShowFrom(this, i);
 	}
@@ -1406,9 +1597,6 @@ void HistoryBlock::removeItem(HistoryItem *item) {
 	if (!item->out() && item->unread() && history->unreadCount) {
 		history->setUnreadCount(history->unreadCount - 1);
 	}
-	if (item->id > 0) {
-		--history->offset;
-	}
 	int32 itemType = item->itemType();
 	if (itemType == HistoryItem::MsgType) {
 		history->setMsgCount(history->msgCount - 1);
@@ -1430,10 +1618,6 @@ void HistoryBlock::removeItem(HistoryItem *item) {
 	} else {
 		history->removeBlock(this);
 	}
-	delete item;
-	if (h->unreadBar && h->back()->back() == h->unreadBar) {
-		h->unreadBar->destroy();
-	}
 }
 
 HistoryItem::HistoryItem(History *history, HistoryBlock *block, MsgId msgId, bool out, bool unread, QDateTime msgDate, int32 from) : y(0)
@@ -1460,6 +1644,28 @@ void HistoryItem::markRead() {
 	}
 }
 
+void HistoryItem::detach() {
+	if (_history && _history->unreadBar == this) {
+		_history->unreadBar = 0;
+	}
+	if (_block) {
+		_block->removeItem(this);
+		detachFast();
+		App::historyItemDetached(this);
+	} else {
+		if (_history->showFrom == this) {
+			_history->showFrom = 0;
+		}
+	}
+	if (_history && _history->unreadBar && _history->back()->back() == _history->unreadBar) {
+		_history->unreadBar->destroy();
+	}
+}
+
+void HistoryItem::detachFast() {
+	_block = 0;
+}
+
 HistoryItem::~HistoryItem() {
 	App::historyUnregItem(this);
 	if (id < 0) {
@@ -1467,12 +1673,14 @@ HistoryItem::~HistoryItem() {
 	}
 }
 
-HistoryItem *regItem(HistoryItem *item) {
+HistoryItem *regItem(HistoryItem *item, bool returnExisting) {
-	if (item && App::historyRegItem(item)) {
+	if (!item) return 0;
-		return item;
+	HistoryItem *existing = App::historyRegItem(item);
+	if (existing) {
+		delete item;
+		return returnExisting ? existing : 0;
 	}
-	delete item;
+	return item;
-	return 0;
 }
 
 HistoryPhoto::HistoryPhoto(const MTPDphoto &photo, int32 width) : data(App::feedPhoto(photo))
@@ -2497,6 +2705,21 @@ HistoryMedia *HistoryMessage::getMedia() const {
 void HistoryMessage::draw(QPainter &p, uint32 selection) const {
 	textstyleSet(&(out() ? st::outTextStyle : st::inTextStyle));
 
+	if (id == _history->activeMsgId) {
+		uint64 ms = App::main() ? App::main()->animActiveTime() : 0;
+		if (ms) {
+			if (ms > st::activeFadeInDuration + st::activeFadeOutDuration) {
+				App::main()->stopAnimActive();
+			} else {
+				float64 dt = (ms > st::activeFadeInDuration) ? (1 - (ms - st::activeFadeInDuration) / float64(st::activeFadeOutDuration)) : (ms / float64(st::activeFadeInDuration));
+				float64 o = p.opacity();
+				p.setOpacity(o * dt);
+				p.fillRect(0, 0, _history->width, _height, textstyleCurrent()->selectOverlay->b);
+				p.setOpacity(o);
+			}
+		}
+	}
+
 	bool selected = (selection == FullItemSel);
 	if (_from->nameVersion > _fromVersion) {
 		fromNameUpdated();

Telegram/SourceFiles/history.h

@@ -527,8 +527,8 @@ struct Histories : public QHash<PeerId, History*> {
 		unreadFull = unreadMuted = 0;
 	}
 
-	PeerId addToBack(const MTPmessage &msg, bool newMsg = true);
+	HistoryItem *addToBack(const MTPmessage &msg, int msgState = 1); // 1 - new message, 0 - not new message, -1 - searched message
-//	PeerId addToBack(const MTPgeoChatMessage &msg, bool newMsg = true);
+//	HistoryItem *addToBack(const MTPgeoChatMessage &msg, bool newMsg = true);
 
 	typedef QMap<History*, uint64> TypingHistories; // when typing in this history started
 	TypingHistories typing;
@@ -551,6 +551,17 @@ struct DialogRow {
 	void *attached; // for any attached data, for example View in contacts list
 };
 
+struct FakeDialogRow {
+	FakeDialogRow(HistoryItem *item) : _item(item), _cacheFor(0), _cache(st::dlgRichMinWidth) {
+	}
+
+	void paint(QPainter &p, int32 w, bool act, bool sel) const;
+
+	HistoryItem *_item;
+	mutable const HistoryItem *_cacheFor;
+	mutable Text _cache;
+};
+
 class HistoryMedia;
 class HistoryMessage;
 class HistoryUnreadBar;
@@ -558,7 +569,7 @@ struct History : public QList<HistoryBlock*> {
 	History(const PeerId &peerId);
 
 	typedef QList<HistoryBlock*> Parent;
-	void clear();
+	void clear(bool leaveItems = false);
 	Parent::iterator erase(Parent::iterator i);
 	void blockResized(HistoryBlock *block, int32 dh);
 	void removeBlock(HistoryBlock *block);
@@ -567,16 +578,21 @@ struct History : public QList<HistoryBlock*> {
 		clear();
 	}
 
-	HistoryItem *createItem(HistoryBlock *block, const MTPmessage &msg, bool newMsg);
+	HistoryItem *createItem(HistoryBlock *block, const MTPmessage &msg, bool newMsg, bool returnExisting = false);
 	HistoryItem *createItemForwarded(HistoryBlock *block, MsgId id, HistoryMessage *msg);
 //	HistoryItem *createItem(HistoryBlock *block, const MTPgeoChatMessage &msg, bool newMsg);
-	void addToBackService(MsgId msgId, QDateTime date, const QString &text, bool out = false, bool unread = false, HistoryMedia *media = 0, bool newMsg = true);
+	HistoryItem *addToBackService(MsgId msgId, QDateTime date, const QString &text, bool out = false, bool unread = false, HistoryMedia *media = 0, bool newMsg = true);
-	void addToBack(const MTPmessage &msg, bool newMsg = true);
+	HistoryItem *addToBack(const MTPmessage &msg, bool newMsg = true);
-	void addToBackForwarded(MsgId id, HistoryMessage *item);
+	HistoryItem *addToHistory(const MTPmessage &msg);
-//	void addToBack(const MTPgeoChatMessage &msg, bool newMsg = true);
+	HistoryItem *addToBackForwarded(MsgId id, HistoryMessage *item);
+//	HistoryItem *addToBack(const MTPgeoChatMessage &msg, bool newMsg = true);
 	void addToFront(const QVector<MTPMessage> &slice);
+	void addToBack(const QVector<MTPMessage> &slice);
 	void createInitialDateBlock(const QDateTime &date);
-	void doAddToBack(HistoryBlock *to, bool newBlock, HistoryItem *adding, bool newMsg);
+	HistoryItem *doAddToBack(HistoryBlock *to, bool newBlock, HistoryItem *adding, bool newMsg);
+
+	void newItemAdded(HistoryItem *item);
+
 	void inboxRead(bool byThisInstance = false);
 	void outboxRead();
 
@@ -585,18 +601,66 @@ struct History : public QList<HistoryBlock*> {
 	void setMute(bool newMute);
 	void getNextShowFrom(HistoryBlock *block, int32 i);
 	void addUnreadBar();
-	void getNextNotifyFrom(HistoryBlock *block = 0, int32 i = 0);
+	void clearNotifications();
-	void clearNotifyFrom();
+
+	bool readyForWork() const; // all unread loaded or loaded around activeMsgId
+	bool loadedAtBottom() const; // last message is in the list
+	bool loadedAtTop() const; // nothing was added after loading history back
+
+	void fixLastMessage(bool wasAtBottom);
+
+	void loadAround(MsgId msgId);
+
+	MsgId minMsgId() const;
+	MsgId maxMsgId() const;
 
 	int32 geomResize(int32 newWidth, int32 *ytransform = 0); // return new size
-	int32 width, height, msgCount, offset, unreadCount;
+	int32 width, height, msgCount, unreadCount;
 	int32 inboxReadTill, outboxReadTill;
 	HistoryItem *showFrom;
-	HistoryItem *notifyFrom;
 	HistoryUnreadBar *unreadBar;
-	bool unreadLoaded;
 
 	PeerData *peer;
+	bool oldLoaded, newLoaded;
+	HistoryItem *last;
+	MsgId activeMsgId;
+
+	typedef QList<HistoryItem*> NotifyQueue;
+	NotifyQueue notifies;
+
+	void removeNotification(HistoryItem *item) {
+		if (!notifies.isEmpty()) {
+			for (NotifyQueue::iterator i = notifies.begin(), e = notifies.end(); i != e; ++i) {
+				if ((*i) == item) {
+					notifies.erase(i);
+					break;
+				}
+			}
+		}
+	}
+	HistoryItem *currentNotification() {
+		return notifies.isEmpty() ? 0 : notifies.front();
+	}
+	void skipNotification() {
+		if (!notifies.isEmpty()) {
+			notifies.pop_front();
+		}
+	}
+
+	void itemReplaced(HistoryItem *old, HistoryItem *item) {
+		if (!notifies.isEmpty()) {
+			for (NotifyQueue::iterator i = notifies.begin(), e = notifies.end(); i != e; ++i) {
+				if ((*i) == old) {
+					*i = item;
+					break;
+				}
+			}
+		}
+		if (last == old) {
+			last = item;
+		}
+		// showFrom can't be detached
+	}
 
 	QString draft;
 	QTextCursor draftCur;
@@ -911,7 +975,7 @@ struct HistoryBlock : public QVector<HistoryItem*> {
 	}
 
 	typedef QVector<HistoryItem*> Parent;
-	void clear();
+	void clear(bool leaveItems = false);
 	Parent::iterator erase(Parent::iterator i);
 	~HistoryBlock() {
 		clear();
@@ -979,7 +1043,18 @@ public:
 	}
 	void destroy() {
 		markRead();
-		_block->removeItem(this);
+		bool wasAtBottom = history()->loadedAtBottom();
+		_history->removeNotification(this);
+		detach();
+		if (history()->last == this) {
+			history()->fixLastMessage(wasAtBottom);
+		}
+		delete this;
+	}
+	void detach();
+	void detachFast();
+	bool detached() const {
+		return !_block;
 	}
 	bool out() const {
 		return _out;
@@ -1047,7 +1122,7 @@ protected:
 
 };
 
-HistoryItem *regItem(HistoryItem *item);
+HistoryItem *regItem(HistoryItem *item, bool returnExisting = false);
 
 enum HistoryMediaType {
 	MediaTypePhoto,

Telegram/SourceFiles/historywidget.cpp

@@ -72,8 +72,12 @@ void HistoryList::messagesReceived(const QVector<MTPMessage> &messages) {
 	hist->addToFront(messages);
 }
 
+void HistoryList::messagesReceivedDown(const QVector<MTPMessage> &messages) {
+	hist->addToBack(messages);
+}
+
 void HistoryList::updateMsg(HistoryItem *msg) {
-	if (!msg || !hist || hist != msg->history()) return;
+	if (!msg || msg->detached() || !hist || hist != msg->history()) return;
 	update(0, height() - hist->height - st::historyPadding + msg->block()->y + msg->y, width(), msg->height());
 }
 
@@ -331,7 +335,7 @@ void HistoryList::touchScrollUpdated(const QPoint &screenPos) {
 }
 
 QPoint HistoryList::mapMouseToItem(QPoint p, HistoryItem *item) {
-	if (!item) return QPoint(0, 0);
+	if (!item || item->detached()) return QPoint(0, 0);
 	p.setY(p.y() - (height() - hist->height - st::historyPadding) - item->block()->y - item->y);
 	return p;
 }
@@ -550,13 +554,22 @@ void HistoryList::mouseReleaseEvent(QMouseEvent *e) {
 }
 
 void HistoryList::mouseDoubleClickEvent(QMouseEvent *e) {
-	if (_dragAction == Selecting && _dragSelType == TextSelectLetters && _dragItem && !_selected.isEmpty() && _selected.cbegin().value() != FullItemSel) {
+	if ((_dragAction == Selecting && !_selected.isEmpty() && _selected.cbegin().value() != FullItemSel || _dragAction == NoDrag && (_selected.isEmpty() || _selected.cbegin().value() != FullItemSel)) && _dragSelType == TextSelectLetters && _dragItem) {
 		bool afterDragSymbol, uponSelected;
 		uint16 symbol;
 		_dragItem->getSymbol(symbol, afterDragSymbol, uponSelected, _dragStartPos.x(), _dragStartPos.y());
 		if (uponSelected) {
 			_dragSymbol = symbol;
 			_dragSelType = TextSelectWords;
+			if (_dragAction == NoDrag) {
+				_dragAction = Selecting;
+				uint32 selStatus = (symbol << 16) | symbol;
+				if (!_selected.isEmpty()) {
+					updateMsg(_selected.cbegin().key());
+					_selected.clear();
+				}
+				_selected.insert(_dragItem, selStatus);
+			} 
 			mouseMoveEvent(e);
 
 	        _trippleClickPoint = e->globalPos();
@@ -1436,17 +1449,15 @@ HistoryHider::~HistoryHider() {
 }
 
 HistoryWidget::HistoryWidget(QWidget *parent) : QWidget(parent)
-    , histOffset(0)
-    , histCount(-1)
-    , histReadRequestId(0)
     , histRequestsCount(0)
     , histPeer(0)
-    , _activePeer(0)
+    , _activeHist(0)
     , histPreloading(0)
     , _scroll(this, st::historyScroll, false)
     , _list(0)
     , hist(0)
     , _histInited(false)
+	, _toHistoryEnd(this, st::historyToEnd)
     , _send(this, lang(lng_send_button), st::btnSend)
     , _attachDocument(this, st::btnAttachDocument)
     , _attachPhoto(this, st::btnAttachPhoto)
@@ -1472,6 +1483,7 @@ HistoryWidget::HistoryWidget(QWidget *parent) : QWidget(parent)
 	setAcceptDrops(true);
 
 	connect(&_scroll, SIGNAL(scrolled()), this, SLOT(onListScroll()));
+	connect(&_toHistoryEnd, SIGNAL(clicked()), this, SLOT(onHistoryToEnd()));
 	connect(&_send, SIGNAL(clicked()), this, SLOT(onSend()));
 	connect(&_attachDocument, SIGNAL(clicked()), this, SLOT(onDocumentSelect()));
 	connect(&_attachPhoto, SIGNAL(clicked()), this, SLOT(onPhotoSelect()));
@@ -1489,8 +1501,14 @@ HistoryWidget::HistoryWidget(QWidget *parent) : QWidget(parent)
 
 	_scrollTimer.setSingleShot(false);
 
+	_animActiveTimer.setSingleShot(false);
+	connect(&_animActiveTimer, SIGNAL(timeout()), this, SLOT(onAnimActiveStep()));
+
 	_scroll.hide();
 	_scroll.move(0, 0);
+
+	_toHistoryEnd.hide();
+
 	_field.hide();
 	_field.resize(width() - _send.width() - _attachDocument.width() - _attachEmoji.width(), _send.height() - 2 * st::sendPadding);
 	_send.hide();
@@ -1509,6 +1527,7 @@ HistoryWidget::HistoryWidget(QWidget *parent) : QWidget(parent)
 	_emojiPan.hide();
 	_attachDragDocument.hide();
 	_attachDragPhoto.hide();
+
 	connect(&_attachDragDocument, SIGNAL(dropped(QDropEvent*)), this, SLOT(onDocumentDrop(QDropEvent*)));
 	connect(&_attachDragPhoto, SIGNAL(dropped(QDropEvent*)), this, SLOT(onPhotoDrop(QDropEvent*)));
 }
@@ -1565,7 +1584,7 @@ void HistoryWidget::chatLoaded(const MTPmessages_ChatFull &res) {
 	peerUpdated(App::chat(peerId));
 }
 
-void HistoryWidget::showPeer(const PeerId &peer, bool force, bool leaveActive) {
+void HistoryWidget::showPeer(const PeerId &peer, MsgId msgId, bool force, bool leaveActive) {
 	if (App::main()->selectingPeer() && !force) {
 		hiderOffered = true;
 		App::main()->offerPeer(peer);
@@ -1577,19 +1596,31 @@ void HistoryWidget::showPeer(const PeerId &peer, bool force, bool leaveActive) {
 	if (hist) {
 		if (histPeer->id == peer) {
 			if (hist->unreadBar) hist->unreadBar->destroy();
+			if (msgId != hist->activeMsgId) {
+				hist->loadAround(msgId);
+				if (histPreloading) MTP::cancel(histPreloading);
+				if (histPreloadingDown) MTP::cancel(histPreloadingDown);
+				histPreloading = histPreloadingDown = 0;
+			}
 			checkUnreadLoaded();
 			return activate();
 		}
 		updateTyping(false);
 	}
-	if (histPreload.size() && _list) {
+	if (_list) {
-		_list->messagesReceived(histPreload);
+		if (!histPreload.isEmpty()) {
-		histPreload.clear();
+			_list->messagesReceived(histPreload);
+			histPreload.clear();
+		}
+		if (!histPreloadDown.isEmpty()) {
+			_list->messagesReceivedDown(histPreloadDown);
+			histPreloadDown.clear();
+		}
 	}
 	if (hist) {
 		hist->draft = _field.getText();
 		hist->draftCur = _field.textCursor();
-		if (hist->unreadLoaded && _scroll.scrollTop() + 1 <= _scroll.scrollTopMax()) {
+		if (hist->readyForWork() && _scroll.scrollTop() + 1 <= _scroll.scrollTopMax()) {
 			hist->lastWidth = _list->width();
 		} else {
 			hist->lastWidth = 0;
@@ -1603,26 +1634,25 @@ void HistoryWidget::showPeer(const PeerId &peer, bool force, bool leaveActive) {
 	_list = 0;
 	updateTopBarSelection();
 
-	if (leaveActive && histPeer) {
+	if (leaveActive && hist) {
-		_activePeer = histPeer;
+		_activeHist = hist;
 	} else {
 		if (!leaveActive) {
-			_activePeer = 0;
+			_activeHist = 0;
 		}
 		if (hist) {
 			App::main()->dlgUpdated(hist);
 		}
 	}
 	histPeer = peer ? App::peer(peer) : 0;
-	histOffset = 0;
-	histReadRequestId = 0;
 	titlePeerText = QString();
 	titlePeerTextWidth = 0;
 	histRequestsCount = 0;
-	histCount = -1;
 	histPreload.clear();
+	histPreloadDown.clear();
 	if (histPreloading) MTP::cancel(histPreloading);
-	histPreloading = 0;
+	if (histPreloadingDown) MTP::cancel(histPreloadingDown);
+	histPreloading = histPreloadingDown = 0;
 	hist = 0;
 	_histInited = false;
 	noSelectingScroll();
@@ -1653,14 +1683,15 @@ void HistoryWidget::showPeer(const PeerId &peer, bool force, bool leaveActive) {
 		} else {
 			hist = i.value();
 		}
-		if (hist->unreadLoaded) {
+		if (hist->readyForWork()) {
 			_scroll.show();
 		}
 		if (hist) {
 			App::main()->dlgUpdated(hist);
 		}
-		histOffset = hist->offset;
 		_list = new HistoryList(this, &_scroll, hist);
+		hist->loadAround(msgId);
+
 		_list->hide();
 		_scroll.setWidget(_list);
 		_list->show();
@@ -1689,7 +1720,7 @@ void HistoryWidget::showPeer(const PeerId &peer, bool force, bool leaveActive) {
 
 void HistoryWidget::checkUnreadLoaded(bool checkOnlyShow) {
 	if (!hist) return;
-	if (hist->unreadLoaded) {
+	if (hist->readyForWork()) {
 		if (checkOnlyShow && !_scroll.isHidden()) return;
 		if (!animating()) {
 			if (_scroll.isHidden()) {
@@ -1702,7 +1733,7 @@ void HistoryWidget::checkUnreadLoaded(bool checkOnlyShow) {
 	}
 	updateListSize(0, true);
 	if (!animating()) updateControlsVisibility();
-	if (hist->unreadLoaded) {
+	if (hist->readyForWork()) {
 		if (!_scroll.isHidden() && !_list->isHidden()) {
 			onListScroll();
 		}
@@ -1715,6 +1746,7 @@ void HistoryWidget::updateControlsVisibility() {
 	if (!hist) {
 		_scroll.hide();
 		_send.hide();
+		_toHistoryEnd.hide();
 		_field.hide();
 		_attachDocument.hide();
 		_attachPhoto.hide();
@@ -1724,7 +1756,12 @@ void HistoryWidget::updateControlsVisibility() {
 		return;
 	}
 
-	if (hist->unreadLoaded) {
+	if (hist->readyForWork()) {
+		if (hist->loadedAtBottom()) {
+			_toHistoryEnd.hide();
+		} else {
+			_toHistoryEnd.show();
+		}
 		if (!histPeer->chat || !histPeer->asChat()->forbidden) {
 			_send.show();
 			if (cDefaultAttach() == dbidaPhoto) {
@@ -1735,6 +1772,7 @@ void HistoryWidget::updateControlsVisibility() {
 			_attachEmoji.show();
 			if (_field.isHidden()) {
 				_field.show();
+				resizeEvent(0);
 				update();
 			}
 		} else {
@@ -1746,15 +1784,17 @@ void HistoryWidget::updateControlsVisibility() {
 			_emojiPan.hide();
 			if (!_field.isHidden()) {
 				_field.hide();
+				resizeEvent(0);
 				update();
 			}
 		}
+
 		if (hist->unreadCount && App::wnd()->historyIsActive()) {
 			historyWasRead();
 		}
 	} else {
 		loadMessages();
-		if (!hist->unreadLoaded) {
+		if (!hist->readyForWork()) {
 			_scroll.hide();
 			_send.hide();
 			_attachDocument.hide();
@@ -1762,6 +1802,7 @@ void HistoryWidget::updateControlsVisibility() {
 			_attachEmoji.hide();
 			_attachType.hide();
 			_emojiPan.hide();
+			_toHistoryEnd.hide();
 			if (!_field.isHidden()) {
 				_field.hide();
 				update();
@@ -1772,7 +1813,7 @@ void HistoryWidget::updateControlsVisibility() {
 
 void HistoryWidget::newUnreadMsg(History *history, MsgId msgId) {
 	if (App::wnd()->historyIsActive()) {
-		if (hist == history && hist->unreadLoaded) {
+		if (hist == history && hist->readyForWork()) {
 			historyWasRead();
 			if (_scroll.scrollTop() + 1 > _scroll.scrollTopMax()) {
 				if (history->unreadBar) history->unreadBar->destroy();
@@ -1784,7 +1825,7 @@ void HistoryWidget::newUnreadMsg(History *history, MsgId msgId) {
 			history->setUnreadCount(history->unreadCount + 1);
 		}
 	} else {
-		if (hist == history && hist->unreadLoaded) {
+		if (hist == history && hist->readyForWork()) {
 			if (_scroll.scrollTop() + 1 > _scroll.scrollTopMax()) {
 				if (history->unreadBar) history->unreadBar->destroy();
 			}
@@ -1810,15 +1851,17 @@ bool HistoryWidget::messagesFailed(const RPCError &e, mtpRequestId requestId) {
 	LOG(("RPC Error: %1 %2: %3").arg(e.code()).arg(e.type()).arg(e.description()));
 	if (histPreloading == requestId) {
 		histPreloading = 0;
+	} else if (histPreloadingDown == requestId) {
+		histPreloadingDown = 0;
 	}
 	return true;
 }
 
 void HistoryWidget::messagesReceived(const MTPmessages_Messages &messages, mtpRequestId requestId) {
-	if (histPreloading == requestId) {
+	if (!hist) {
-		histPreloading = 0;
+		histPreloading = histPreloadingDown = 0;
+		return;
 	}
-	if (!hist) return;
 
 	PeerId peer = 0;
 	int32 count = 0;
@@ -1859,36 +1902,64 @@ void HistoryWidget::messagesReceived(const MTPmessages_Messages &messages, mtpRe
 		peer = (to_id == App::peerFromUser(MTP::authedId())) ? from_id : to_id;
 	}
 
+	bool down = false;
+	if (histPreloading == requestId) {
+		histPreloading = 0;
+	} else if (histPreloadingDown == requestId) {
+		histPreloadingDown = 0;
+		down = true;
+	} else {
+		return;
+	}
+
 	if (peer && peer != histPeer->id) return;
 
 	if (histList) {
-		if (!histOffset) {
+		if (!hist->minMsgId() || histList->isEmpty()) {
-			addMessagesToFront(*histList);
+			if (down) {
+				addMessagesToBack(*histList);
+				histPreloadDown.clear();
+			} else {
+				addMessagesToFront(*histList);
+				histPreload.clear();
+			}
 		} else {
-			histPreload = *histList;
+			if (down) {
-		}
+				histPreloadDown = *histList;
-
+			} else {
-		if (histList->size()) {
+				histPreload = *histList;
-			histOffset += histList->size();
+			}
-			histCount = count;
-		} else {
-			histCount = histOffset;
 		}
 	} else {
-		histCount = histOffset;
+		if (down) {
-		if (!hist->unreadLoaded) {
+			addMessagesToBack(QVector<MTPMessage>());
-			hist->setUnreadCount(hist->msgCount);
+		} else {
+			addMessagesToFront(QVector<MTPMessage>());
+		}
+		if (!hist->readyForWork()) {
+			if (hist->activeMsgId) {
+				hist->activeMsgId = 0;
+			}
+			if (!hist->readyForWork()) {
+				hist->setUnreadCount(hist->msgCount);
+			}
 		}
 		checkUnreadLoaded(true);
 		return;
 	}
 
-	if (histOffset >= histCount && histPreload.size()) {
+	if (down && hist->loadedAtBottom() && histPreloadDown.size()) {
+		addMessagesToBack(histPreloadDown);
+		histPreloadDown.clear();
+		loadMessagesDown();
+	} else if (!down && hist->loadedAtTop() && histPreload.size()) {
 		addMessagesToFront(histPreload);
 		histPreload.clear();
 		loadMessages();
-	} else if (histPreload.size()) {
+	} else if (down && histPreloadDown.size() || !down && histPreload.size()) {
 		onListScroll();
+	} else if (down) {
+		loadMessagesDown();
 	} else {
 		loadMessages();
 	}
@@ -1901,11 +1972,20 @@ void HistoryWidget::windowShown() {
 	resizeEvent(0);
 }
 
+bool HistoryWidget::isActive() const {
+	return !hist || hist->loadedAtBottom();
+}
+
 void HistoryWidget::loadMessages() {
 	if (!hist) return;
-	if (histCount >= 0 && histOffset >= histCount) {
+	if (hist->loadedAtTop()) {
-		if (!hist->unreadLoaded) {
+		if (!hist->readyForWork()) {
-			hist->setUnreadCount(hist->msgCount);
+			if (hist->activeMsgId) {
+				hist->activeMsgId = 0;
+			}
+			if (!hist->readyForWork()) {
+				hist->setUnreadCount(hist->msgCount);
+			}
 		}
 		checkUnreadLoaded(true);
 		return;
@@ -1913,19 +1993,53 @@ void HistoryWidget::loadMessages() {
 
 	int32 dh = 0;
 	if (histPreload.size()) {
-		bool unreadLoaded = hist->unreadLoaded;
+		bool loaded = hist->readyForWork();
 		addMessagesToFront(histPreload);
 		histPreload.clear();
 		checkUnreadLoaded(true);
-		if (!unreadLoaded && hist->unreadLoaded) {
+		if (!loaded && hist->readyForWork()) {
 			return;
 		}
 	}
-	if (!histPreloading && (!hist->unreadLoaded || _scroll.scrollTop() < 3 * _scroll.height())) {
+	if (!histPreloading && (!hist->readyForWork() || _scroll.scrollTop() < 3 * _scroll.height())) {
-		int32 loadCount = histOffset ? MessagesPerPage : MessagesFirstLoad;
+		MsgId min = hist->minMsgId();
-		histPreloading = MTP::send(MTPmessages_GetHistory(histInputPeer, MTP_int(histOffset), MTP_int(0), MTP_int(loadCount)), rpcDone(&HistoryWidget::messagesReceived), rpcFail(&HistoryWidget::messagesFailed));
+		int32 offset = 0, loadCount = min ? MessagesPerPage : MessagesFirstLoad;
+		if (!min && hist->activeMsgId) {
+			min = hist->activeMsgId;
+			offset = -loadCount / 2;
+		}
+		histPreloading = MTP::send(MTPmessages_GetHistory(histInputPeer, MTP_int(offset), MTP_int(min), MTP_int(loadCount)), rpcDone(&HistoryWidget::messagesReceived), rpcFail(&HistoryWidget::messagesFailed));
 		++histRequestsCount;
-		if (!hist->unreadLoaded) update();
+		if (!hist->readyForWork()) update();
+	} else {
+		checkUnreadLoaded(true);
+	}
+}
+
+void HistoryWidget::loadMessagesDown() {
+	if (!hist) return;
+	if (hist->loadedAtBottom()) {
+		return;
+	}
+
+	int32 dh = 0;
+	if (histPreloadDown.size()) {
+		bool loaded = hist->readyForWork();
+		addMessagesToBack(histPreloadDown);
+		histPreloadDown.clear();
+		checkUnreadLoaded(true);
+		if (!loaded && hist->readyForWork()) {
+			return;
+		}
+	}
+	if (!histPreloadingDown && hist->readyForWork() && (_scroll.scrollTop() + 3 * _scroll.height() > _scroll.scrollTopMax())) {
+		MsgId max = hist->maxMsgId();
+		if (max) {
+			int32 loadCount = MessagesPerPage, offset = -loadCount;
+			histPreloadingDown = MTP::send(MTPmessages_GetHistory(histInputPeer, MTP_int(offset), MTP_int(max + 1), MTP_int(loadCount)), rpcDone(&HistoryWidget::messagesReceived), rpcFail(&HistoryWidget::messagesFailed));
+			++histRequestsCount;
+			if (!hist->readyForWork()) update();
+		}
 	} else {
 		checkUnreadLoaded(true);
 	}
@@ -1934,12 +2048,16 @@ void HistoryWidget::loadMessages() {
 void HistoryWidget::onListScroll() {
 	App::checkImageCacheSize();
 
-	if (histPreloading || !hist || ((_list->isHidden() || _scroll.isHidden() || !App::wnd()->windowHandle()->isVisible()) && hist->unreadLoaded)) {
+	if (histPreloading || !hist || ((_list->isHidden() || _scroll.isHidden() || !App::wnd()->windowHandle()->isVisible()) && hist->readyForWork())) {
 		checkUnreadLoaded(true);
 		return;
 	}
 
-	if (!hist->unreadLoaded || _scroll.scrollTop() < 3 * _scroll.height()) {
+	if (hist->readyForWork() && (_scroll.scrollTop() + 3 * _scroll.height() > _scroll.scrollTopMax())) {
+		loadMessagesDown();
+	}
+
+	if (!hist->readyForWork() || _scroll.scrollTop() < 3 * _scroll.height()) {
 		loadMessages();
 	} else {
 		checkUnreadLoaded(true);
@@ -1961,6 +2079,13 @@ QString HistoryWidget::prepareMessage(QString result) {
 	return (cReplaceEmojis() ? replaceEmojis(result) : result).trimmed();
 }
 
+void HistoryWidget::onHistoryToEnd() {
+	_toHistoryEnd.hide();
+	if (hist && !hist->loadedAtBottom()) {
+		showPeer(histPeer->id, 0);
+	}
+}
+
 void HistoryWidget::onSend() {
 	if (!hist) return;
 
@@ -1971,6 +2096,8 @@ void HistoryWidget::onSend() {
 	
 		App::historyRegRandom(randomId, newId);
 
+		hist->loadAround(0);
+
 		MTPstring msgText(MTP_string(text));
 		hist->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(histPeer->id), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), msgText, MTP_messageMediaEmpty()));
 		App::main()->historyToDown(hist);
@@ -1997,7 +2124,7 @@ mtpRequestId HistoryWidget::onForward(const PeerId &peer, bool forwardSelected)
 	if (toForward.isEmpty()) return 0;
 
 	if (toForward.size() == 1) {
-		App::main()->showPeer(peer, false, true);
+		App::main()->showPeer(peer, 0, false, true);
 		if (!hist) return 0;
 
 		HistoryItem *item = toForward.cbegin().value();
@@ -2006,6 +2133,7 @@ mtpRequestId HistoryWidget::onForward(const PeerId &peer, bool forwardSelected)
 		HistoryServiceMsg *srv = dynamic_cast<HistoryServiceMsg*>(item);
 		MsgId newId = 0;
 	
+		hist->loadAround(0);
 		if (item->id > 0 && msg) {
 			newId = clientMsgId();
 			hist->addToBackForwarded(newId, msg);
@@ -2045,12 +2173,14 @@ mtpRequestId HistoryWidget::onForward(const PeerId &peer, bool forwardSelected)
 void HistoryWidget::onShareContact(const PeerId &peer, UserData *contact) {
 	if (!contact || contact->phone.isEmpty()) return;
 
-	App::main()->showPeer(peer, false, true);
+	App::main()->showPeer(peer, 0, false, true);
 	if (!hist) return;
 
 	uint64 randomId = MTP::nonce<uint64>();
 	MsgId newId = clientMsgId();
 
+	hist->loadAround(0);
+
 	hist->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(histPeer->id), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), MTP_string(""), MTP_messageMediaContact(MTP_string(contact->phone), MTP_string(contact->firstName), MTP_string(contact->lastName), MTP_int(int32(contact->id & 0xFFFFFFFF)))));
 	
 	MTP::send(MTPmessages_SendMedia(histPeer->input, MTP_inputMediaContact(MTP_string(contact->phone), MTP_string(contact->firstName), MTP_string(contact->lastName)), MTP_long(randomId)), App::main()->rpcDone(&MainWidget::sentFullDataReceived, randomId));
@@ -2066,7 +2196,11 @@ PeerData *HistoryWidget::peer() const {
 }
 
 PeerData *HistoryWidget::activePeer() const {
-	return histPeer ? histPeer : _activePeer;
+	return histPeer ? histPeer : (_activeHist ? _activeHist->peer : 0);
+}
+
+MsgId HistoryWidget::activeMsgId() const {
+	return hist ? hist->activeMsgId : (_activeHist ? _activeHist->activeMsgId : 0);
 }
 
 void HistoryWidget::animShow(const QPixmap &bgAnimCache, const QPixmap &bgAnimTopBarCache, bool back) {
@@ -2077,6 +2211,7 @@ void HistoryWidget::animShow(const QPixmap &bgAnimCache, const QPixmap &bgAnimTo
 	_animTopBarCache = myGrab(App::main()->topBar(), QRect(0, 0, width(), st::topBarHeight));
 	App::main()->topBar()->startAnim();
 	_scroll.hide();
+	_toHistoryEnd.hide();
 	_attachDocument.hide();
 	_attachPhoto.hide();
 	_attachEmoji.hide();
@@ -2103,7 +2238,7 @@ bool HistoryWidget::animStep(float64 ms) {
 		_bgAnimCache = _animCache = _animTopBarCache = _bgAnimTopBarCache = QPixmap();
 		App::main()->topBar()->stopAnim();
 		updateControlsVisibility();
-		if (hist && hist->unreadLoaded) {
+		if (hist && hist->readyForWork()) {
 			_scroll.show();
 			if (hist->lastScrollTop == History::ScrollMax) {
 				_scroll.scrollToY(hist->lastScrollTop);
@@ -2197,18 +2332,24 @@ void HistoryWidget::dragEnterEvent(QDragEnterEvent *e) {
 }
 
 void HistoryWidget::dragLeaveEvent(QDragLeaveEvent *e) {
-	_attachDrag = DragStateNone;
+	if (_attachDrag != DragStateNone || !_attachDragPhoto.isHidden() || !_attachDragDocument.isHidden()) {
-	updateDragAreas();
+		_attachDrag = DragStateNone;
+		updateDragAreas();
+	}
 }
 
 void HistoryWidget::leaveEvent(QEvent *e) {
-	_attachDrag = DragStateNone;
+	if (_attachDrag != DragStateNone || !_attachDragPhoto.isHidden() || !_attachDragDocument.isHidden()) {
-	updateDragAreas();
+		_attachDrag = DragStateNone;
+		updateDragAreas();
+	}
 }
 
 void HistoryWidget::mouseReleaseEvent(QMouseEvent *e) {
-	_attachDrag = DragStateNone;
+	if (_attachDrag != DragStateNone || !_attachDragPhoto.isHidden() || !_attachDragDocument.isHidden()) {
-	updateDragAreas();
+		_attachDrag = DragStateNone;
+		updateDragAreas();
+	}
 }
 
 DragState HistoryWidget::getDragState(const QMimeData *d) {
@@ -2486,13 +2627,18 @@ void HistoryWidget::confirmSendImage(const ReadyLocalMedia &img) {
 
 	App::uploader()->uploadMedia(newId, img);
 
+	History *h = App::history(img.peer);
 	if (img.type == ToPreparePhoto) {
-		App::history(img.peer)->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(img.peer), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), MTP_string(""), MTP_messageMediaPhoto(img.photo)));
+		h->loadAround(0);
+		h->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(img.peer), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), MTP_string(""), MTP_messageMediaPhoto(img.photo)));
 	} else if (img.type == ToPrepareDocument) {
-		App::history(img.peer)->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(img.peer), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), MTP_string(""), MTP_messageMediaDocument(img.document)));
+		h->loadAround(0);
+		h->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(img.peer), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), MTP_string(""), MTP_messageMediaDocument(img.document)));
 	}
 
-	if (hist && histPeer && img.peer == histPeer->id) App::main()->historyToDown(hist);
+	if (hist && histPeer && img.peer == histPeer->id) {
+		App::main()->historyToDown(hist);
+	}
 	App::main()->dialogsToUp();
 	peerMessagesUpdated(img.peer);
 }
@@ -2580,6 +2726,9 @@ void HistoryWidget::resizeEvent(QResizeEvent *e) {
 	updateListSize();
 
 	_field.resize(width() - _send.width() - _attachDocument.width() - _attachEmoji.width(), _field.height());
+
+	_toHistoryEnd.move((width() - _toHistoryEnd.width()) / 2, _scroll.y() + _scroll.height() - _toHistoryEnd.height() - st::historyToEndSkip);
+
 	_attachEmoji.move(_field.x() + _field.width(), height() - _attachEmoji.height());
 	_send.move(width() - _send.width(), _attachDocument.y());
 
@@ -2604,15 +2753,16 @@ void HistoryWidget::resizeEvent(QResizeEvent *e) {
 	}
 }
 
-void HistoryWidget::updateListSize(int32 addToY, bool initial) {
+void HistoryWidget::updateListSize(int32 addToY, bool initial, bool loadedDown) {
 	if (!hist || (!_histInited && !initial)) return;
 
 	if (!App::wnd()->isVisible()) return; // scrollTopMax etc are not working after recountHeight()
 
-	int32 newScrollHeight = height() - (hist->unreadLoaded && (!histPeer->chat || !histPeer->asChat()->forbidden) ? (_field.height() + 2 * st::sendPadding) : 0);
+	int32 newScrollHeight = height() - (hist->readyForWork() && (!histPeer->chat || !histPeer->asChat()->forbidden) ? (_field.height() + 2 * st::sendPadding) : 0);
 	bool wasAtBottom = _scroll.scrollTop() + 1 > _scroll.scrollTopMax(), needResize = _scroll.width() != width() || _scroll.height() != newScrollHeight;
 	if (needResize) {
 		_scroll.resize(width(), newScrollHeight);
+		_toHistoryEnd.move((width() - _toHistoryEnd.width()) / 2, _scroll.y() + _scroll.height() - _toHistoryEnd.height() - st::historyToEndSkip);
 	}
 
 	if (!initial) {
@@ -2627,20 +2777,29 @@ void HistoryWidget::updateListSize(int32 addToY, bool initial) {
 	if (washidden) {
 		_scroll.hide();
 	}
-	if (!hist->unreadLoaded) return;
+	if (!hist->readyForWork()) return;
 
-	if (!initial && !wasAtBottom) {
+	if (!initial && !wasAtBottom || loadedDown) {
 		_scroll.scrollToY(newSt + addToY);
 		return;
 	}
-	if (!hist->unreadLoaded) return;
 
 	if (initial) {
 		_histInited = true;
 	}
 
 	int32 toY = History::ScrollMax;
-	if (initial && hist->unreadBar) {
+	if (initial && hist->activeMsgId && !hist->lastWidth) {
+		HistoryItem *item = App::histItemById(hist->activeMsgId);
+		if (!item || item->detached()) {
+			hist->activeMsgId = 0;
+			return updateListSize(addToY, initial);
+		} else {
+			toY = (_scroll.height() > item->height()) ? qMax(item->y + item->block()->y - (_scroll.height() - item->height()) / 2, 0) : (item->y + item->block()->y);
+			_animActiveStart = getms();
+			_animActiveTimer.start(AnimationTimerDelta);
+		}
+	} else if (initial && hist->unreadBar) {
 		toY = hist->unreadBar->y + hist->unreadBar->block()->y;
 	} else if (hist->showFrom) {
 		toY = hist->showFrom->y + hist->showFrom->block()->y;
@@ -2654,7 +2813,6 @@ void HistoryWidget::updateListSize(int32 addToY, bool initial) {
 		toY = newSt;
 		hist->lastWidth = 0;
 	} else {
-		int blabla = 0;
 	}
 	_scroll.scrollToY(toY);
 }
@@ -2666,6 +2824,13 @@ void HistoryWidget::addMessagesToFront(const QVector<MTPMessage> &messages) {
 	checkUnreadLoaded(true);
 }
 
+void HistoryWidget::addMessagesToBack(const QVector<MTPMessage> &messages) {
+	int32 sliceFrom = 0;
+	_list->messagesReceivedDown(messages);
+	updateListSize(0, false, true);
+	checkUnreadLoaded(true);
+}
+
 void HistoryWidget::mousePressEvent(QMouseEvent *e) {
 }
 
@@ -2784,6 +2949,22 @@ void HistoryWidget::onClearSelected() {
 	if (_list) _list->clearSelectedItems();
 }
 
+void HistoryWidget::onAnimActiveStep() {
+	if (!hist || !hist->activeMsgId) return _animActiveTimer.stop();
+	HistoryItem *item = App::histItemById(hist->activeMsgId);
+	if (!item || item->detached()) return _animActiveTimer.stop();
+
+	App::main()->msgUpdated(histPeer->id, item);
+}
+
+uint64 HistoryWidget::animActiveTime() const {
+	return _animActiveTimer.isActive() ? (getms() - _animActiveStart) : 0;
+}
+
+void HistoryWidget::stopAnimActive() {
+	_animActiveTimer.stop();
+}
+
 void HistoryWidget::updateTopBarSelection() {
 	if (!_list) {
 		App::main()->topBar()->showSelected(0);

Telegram/SourceFiles/historywidget.h

@@ -40,6 +40,7 @@ public:
 	HistoryList(HistoryWidget *historyWidget, ScrollArea *scroll, History *history);
 
 	void messagesReceived(const QVector<MTPMessage> &messages);
+	void messagesReceivedDown(const QVector<MTPMessage> &messages);
 
 	bool event(QEvent *e); // calls touchEvent when necessary
 	void touchEvent(QTouchEvent *e);
@@ -251,6 +252,7 @@ public:
 	void messagesReceived(const MTPmessages_Messages &messages, mtpRequestId requestId);
 
 	void windowShown();
+	bool isActive() const;
 
 	void resizeEvent(QResizeEvent *e);
 	void keyPressEvent(QKeyEvent *e);
@@ -269,6 +271,7 @@ public:
 	void topBarClick();
 
 	void loadMessages();
+	void loadMessagesDown();
 	void peerMessagesUpdated(PeerId peer);
 	void peerMessagesUpdated();
 
@@ -300,6 +303,7 @@ public:
 
 	PeerData *peer() const;
 	PeerData *activePeer() const;
+	MsgId activeMsgId() const;
 
 	void animShow(const QPixmap &bgAnimCache, const QPixmap &bgAnimTopBarCache, bool back = false);
 	bool animStep(float64 ms);
@@ -314,6 +318,9 @@ public:
     
 	QString prepareMessage(QString text);
 
+	uint64 animActiveTime() const;
+	void stopAnimActive();
+
 	~HistoryWidget();
 
 signals:
@@ -334,6 +341,7 @@ public slots:
 	void onDocumentFailed(MsgId msgId);
 
 	void onListScroll();
+	void onHistoryToEnd();
 	void onSend();
 
 	void onPhotoSelect();
@@ -343,7 +351,7 @@ public slots:
 
 	void onPhotoReady();
 	void onPhotoFailed(quint64 id);
-	void showPeer(const PeerId &peer, bool force = false, bool leaveActive = false);
+	void showPeer(const PeerId &peer, MsgId msgId = 0, bool force = false, bool leaveActive = false);
 	void activate();
 	void onTextChange();
 
@@ -364,11 +372,14 @@ public slots:
 	void onDeleteContextSure();
 	void onClearSelected();
 
+	void onAnimActiveStep();
+
 private:
 
 	bool messagesFailed(const RPCError &error, mtpRequestId requestId);
-	void updateListSize(int32 addToY = 0, bool initial = false);
+	void updateListSize(int32 addToY = 0, bool initial = false, bool loadedDown = false);
 	void addMessagesToFront(const QVector<MTPMessage> &messages);
+	void addMessagesToBack(const QVector<MTPMessage> &messages);
 	void chatLoaded(const MTPmessages_ChatFull &res);
 
 	QStringList getMediasFromMime(const QMimeData *d);
@@ -376,18 +387,20 @@ private:
 
 	void updateDragAreas();
 
-	int32 histOffset, histCount, histReadRequestId;
 	int32 histRequestsCount;
-	PeerData *histPeer, *_activePeer;
+	PeerData *histPeer;
+	History *_activeHist;
 	MTPinputPeer histInputPeer;
-	mtpRequestId histPreloading;
+	mtpRequestId histPreloading, histPreloadingDown;
-	QVector<MTPMessage> histPreload;
+	QVector<MTPMessage> histPreload, histPreloadDown;
 
 	ScrollArea _scroll;
 	HistoryList *_list;
 	History *hist;
 	bool _histInited; // initial updateListSize() called
 
+	IconedButton _toHistoryEnd;
+
 	FlatButton _send;
 	IconedButton _attachDocument, _attachPhoto, _attachEmoji;
 	MessageField _field;
@@ -422,5 +435,8 @@ private:
 	QTimer _scrollTimer;
 	int32 _scrollDelta;
 
+	QTimer _animActiveTimer;
+	float64 _animActiveStart;
+
 };
 

Telegram/SourceFiles/mainwidget.cpp

@@ -85,7 +85,7 @@ void TopBarWidget::onDeleteContactSure() {
 	PeerData *p = App::main() ? App::main()->profilePeer() : 0;
 	UserData *u = (p && !p->chat) ? p->asUser() : 0;
 	if (u) {
-		App::main()->showPeer(0, true);
+		App::main()->showPeer(0, 0, true);
 		App::wnd()->hideLayer();
 		MTP::send(MTPcontacts_DeleteContact(u->inputUser), App::main()->rpcDone(&MainWidget::deletedContact, u));
 	}
@@ -105,7 +105,7 @@ void TopBarWidget::onDeleteAndExitSure() {
 	PeerData *p = App::main() ? App::main()->profilePeer() : 0;
 	ChatData *c = (p && p->chat) ? p->asChat() : 0;
 	if (c) {
-		App::main()->showPeer(0, true);
+		App::main()->showPeer(0, 0, true);
 		App::wnd()->hideLayer();
 		MTP::send(MTPmessages_DeleteChatUser(MTP_int(p->id & 0xFFFFFFFF), App::self()->inputUser), App::main()->rpcDone(&MainWidget::deleteHistory, p), App::main()->rpcFail(&MainWidget::leaveChatFailed, p));
 	}
@@ -266,7 +266,7 @@ MainWidget::MainWidget(Window *window) : QWidget(window), failedObjId(0), _dialo
 	setGeometry(QRect(0, st::titleHeight, App::wnd()->width(), App::wnd()->height() - st::titleHeight));
 
 	connect(window, SIGNAL(resized(const QSize &)), this, SLOT(onParentResize(const QSize &)));
-	connect(&dialogs, SIGNAL(peerChosen(const PeerId &)), this, SLOT(showPeer(const PeerId &)));
+	connect(&dialogs, SIGNAL(peerChosen(const PeerId &, MsgId)), this, SLOT(showPeer(const PeerId &, MsgId)));
 	connect(&dialogs, SIGNAL(cancelled()), this, SLOT(dialogsCancelled()));
 	connect(&history, SIGNAL(cancelled()), &dialogs, SLOT(activate()));
 	connect(this, SIGNAL(peerPhotoChanged(PeerData *)), this, SIGNAL(dialogsUpdated()));
@@ -423,7 +423,7 @@ void MainWidget::addParticipants(ChatData *chat, const QVector<UserData*> &users
 		MTP::send(MTPmessages_AddChatUser(MTP_int(chat->id & 0xFFFFFFFF), (*i)->inputUser, MTP_int(ForwardOnAdd)), rpcDone(&MainWidget::addParticipantDone, chat), rpcFail(&MainWidget::addParticipantFail, chat), 0, 5);
 	}
 	App::wnd()->hideLayer();
-	showPeer(chat->id, false);
+	showPeer(chat->id, 0, false);
 }
 
 void MainWidget::addParticipantDone(ChatData *chat, const MTPmessages_StatedMessage &result) {
@@ -439,7 +439,7 @@ bool MainWidget::addParticipantFail(ChatData *chat, const RPCError &e) {
 void MainWidget::kickParticipant(ChatData *chat, UserData *user) {
 	MTP::send(MTPmessages_DeleteChatUser(MTP_int(chat->id & 0xFFFFFFFF), user->inputUser), rpcDone(&MainWidget::kickParticipantDone, chat), rpcFail(&MainWidget::kickParticipantFail, chat));
 	App::wnd()->hideLayer();
-	showPeer(chat->id, false);
+	showPeer(chat->id, 0, false);
 }
 
 void MainWidget::kickParticipantDone(ChatData *chat, const MTPmessages_StatedMessage &result) {
@@ -476,9 +476,9 @@ void MainWidget::checkedHistory(PeerData *peer, const MTPmessages_Messages &resu
 		}
 		dialogs.removePeer(peer);
 	} else {
-		if (App::historyLoaded(peer->id)) {
+		History *h = App::historyLoaded(peer->id);
-			History *h = App::history(peer->id);
+		if (!h->last) {
-			h->addToBack((*v)[0], false);
+			h->addToBack((*v)[0], 0);
 		}
 	}
 }
@@ -508,6 +508,8 @@ void MainWidget::sendMessage(History *hist, const QString &text) {
         
 		App::historyRegRandom(randomId, newId);
         
+		hist->loadAround(0);
+
 		MTPstring msgText(MTP_string(msg));
 		hist->addToBack(MTP_message(MTP_int(newId), MTP_int(MTP::authedId()), App::peerToMTP(hist->peer->id), MTP_bool(true), MTP_bool(true), MTP_int(unixtime()), msgText, MTP_messageMediaEmpty()));
 		historyToDown(hist);
@@ -520,7 +522,7 @@ void MainWidget::sendMessage(History *hist, const QString &text) {
 }
 
 void MainWidget::readServerHistory(History *hist, bool force) {
-    if (!hist || (!force && (!hist->unreadCount || !hist->unreadLoaded))) return;
+	if (!hist || (!force && (!hist->unreadCount || !hist->readyForWork()))) return;
     
     ReadRequests::const_iterator i = _readRequests.constFind(hist->peer);
     if (i == _readRequests.cend()) {
@@ -529,6 +531,14 @@ void MainWidget::readServerHistory(History *hist, bool force) {
     }
 }
 
+uint64 MainWidget::animActiveTime() const {
+	return history.animActiveTime();
+}
+
+void MainWidget::stopAnimActive() {
+	history.stopAnimActive();
+}
+
 void MainWidget::partWasRead(PeerData *peer, const MTPmessages_AffectedHistory &result) {
 	const MTPDmessages_affectedHistory &d(result.c_messages_affectedHistory());
 	App::main()->updUpdated(d.vpts.v, 0, 0, d.vseq.v);
@@ -713,7 +723,7 @@ bool MainWidget::getVideoCoords(VideoData *video, int32 &x, int32 &y, int32 &w)
 	return false;
 }
 
-void MainWidget::showPeer(const PeerId &peerId, bool back, bool force) {
+void MainWidget::showPeer(const PeerId &peerId, MsgId msgId, bool back, bool force) {
 	if (!back && profileStack.size() == 1 && profileStack[0]->id == peerId) {
 		back = true;
 	}
@@ -738,7 +748,7 @@ void MainWidget::showPeer(const PeerId &peerId, bool back, bool force) {
 			history.show();
 		}
 	}
-	history.showPeer(peerId, force);
+	history.showPeer(peerId, msgId, force);
 	if (force || !selectingPeer()) {
 		if (profile) {
 			if (profile) profile->deleteLater();
@@ -775,6 +785,10 @@ PeerData *MainWidget::activePeer() {
 	return history.activePeer();
 }
 
+MsgId MainWidget::activeMsgId() {
+	return history.activeMsgId();
+}
+
 PeerData *MainWidget::profilePeer() {
 	return profile ? profile->peer() : 0;
 }
@@ -798,7 +812,7 @@ void MainWidget::showPeerProfile(const PeerData *peer, bool back) {
 	resizeEvent(0);
 	profile->animShow(animCache, animTopBarCache, back);
 	history.animStop();
-	history.showPeer(0, false, true);
+	history.showPeer(0, 0, false, true);
 	history.hide();
 	_topBar.raise();
 	dialogs.raise();
@@ -810,7 +824,7 @@ void MainWidget::showPeerBack() {
 	PeerData *peer = profileStack.back();
 	profileStack.pop_back();
 	if (profileStack.isEmpty()) {
-		showPeer(peer->id, true);
+		showPeer(peer->id, App::main()->activeMsgId(), true);
 	} else {
 		showPeerProfile(peer, true);
 	}
@@ -971,7 +985,7 @@ void MainWidget::sentFullDatasReceived(const MTPmessages_StatedMessages &result)
 void MainWidget::forwardDone(PeerId peer, const MTPmessages_StatedMessages &result) {
 	sentFullDatasReceived(result);
 	if (hider) hider->forwardDone();
-	showPeer(peer, false, true);
+	showPeer(peer, 0, false, true);
 	history.onClearSelected();
 }
 
@@ -991,7 +1005,7 @@ void MainWidget::dialogsToUp() {
 }
 
 void MainWidget::dialogsClear() {
-	dialogs.onCancel();
+	dialogs.clearFiltered();
 }
 
 void MainWidget::newUnreadMsg(History *hist, MsgId msgId) {
@@ -1394,7 +1408,7 @@ bool MainWidget::isActive() const {
 }
 
 bool MainWidget::historyIsActive() const {
-	return isActive() && !profile;
+	return isActive() && !profile && history.isActive();
 }
 
 int32 MainWidget::dlgsWidth() const {
@@ -1487,8 +1501,10 @@ void MainWidget::updateReceived(const mtpPrime *from, const mtpPrime *end) {
 				}
 
 				if (!App::userLoaded(d.vfrom_id.v)) return getDifference();
-				PeerId peer = App::histories().addToBack(MTP_message(d.vid, d.vfrom_id, MTP_peerUser(MTP_int(MTP::authedId())), MTP_bool(false), MTP_bool(true), d.vdate, d.vmessage, MTP_messageMediaEmpty()));
+				HistoryItem *item = App::histories().addToBack(MTP_message(d.vid, d.vfrom_id, MTP_peerUser(MTP_int(MTP::authedId())), MTP_bool(false), MTP_bool(true), d.vdate, d.vmessage, MTP_messageMediaEmpty()));
-				history.peerMessagesUpdated(peer);
+				if (item) {
+					history.peerMessagesUpdated(item->history()->peer->id);
+				}
 
 				updSetState(d.vpts.v, d.vdate.v, updQts, d.vseq.v);
 			} break;
@@ -1500,8 +1516,10 @@ void MainWidget::updateReceived(const mtpPrime *from, const mtpPrime *end) {
 				}
 
 				if (!App::chatLoaded(d.vchat_id.v) || !App::userLoaded(d.vfrom_id.v)) return getDifference();
-				PeerId peer = App::histories().addToBack(MTP_message(d.vid, d.vfrom_id, MTP_peerChat(d.vchat_id), MTP_bool(false), MTP_bool(true), d.vdate, d.vmessage, MTP_messageMediaEmpty()));
+				HistoryItem *item = App::histories().addToBack(MTP_message(d.vid, d.vfrom_id, MTP_peerChat(d.vchat_id), MTP_bool(false), MTP_bool(true), d.vdate, d.vmessage, MTP_messageMediaEmpty()));
-				history.peerMessagesUpdated(peer);
+				if (item) {
+					history.peerMessagesUpdated(item->history()->peer->id);
+				}
 
 				updSetState(d.vpts.v, d.vdate.v, updQts, d.vseq.v);
 			} break;
@@ -1523,8 +1541,10 @@ void MainWidget::feedUpdate(const MTPUpdate &update) {
 	switch (update.type()) {
 	case mtpc_updateNewMessage: {
 		const MTPDupdateNewMessage &d(update.c_updateNewMessage());
-		PeerId peer = App::histories().addToBack(d.vmessage);
+		HistoryItem *item = App::histories().addToBack(d.vmessage);
-		history.peerMessagesUpdated(peer);
+		if (item) {
+			history.peerMessagesUpdated(item->history()->peer->id);
+		}
 		if (updPts < d.vpts.v) updPts = d.vpts.v;
 	} break;
 
@@ -1535,10 +1555,8 @@ void MainWidget::feedUpdate(const MTPUpdate &update) {
 			HistoryItem *msgRow = App::histItemById(msg);
 			if (msgRow) {
 				App::historyUnregItem(msgRow);
-				if (msgRow->id > 0) --msgRow->history()->offset;
 				msgRow->id = d.vid.v;
-				if (msgRow->id > 0) ++msgRow->history()->offset;
+				if (!App::historyRegItem(msgRow)) {
-				if (App::historyRegItem(msgRow)) {
 					msgUpdated(msgRow->history()->peer->id, msgRow);
 				} else {
 					msgRow->destroy();
@@ -1635,7 +1653,9 @@ void MainWidget::feedUpdate(const MTPUpdate &update) {
 			if (false && !d.vprevious.v && d.vuser_id.v != MTP::authedId() && d.vphoto.type() == mtpc_userProfilePhoto) {
 				MTPPhoto photo(App::photoFromUserPhoto(MTP_int(user->id & 0xFFFFFFFF), d.vdate, d.vphoto));
 				HistoryMedia *media = new HistoryPhoto(photo.c_photo(), 100);
-				App::history(user->id)->addToBackService(clientMsgId(), date(d.vdate), lang(lng_action_user_photo).replace(qsl("{from}"), user->name), false, true, media);
+				if (App::history(user->id)->loadedAtBottom()) {
+					App::history(user->id)->addToBackService(clientMsgId(), date(d.vdate), lang(lng_action_user_photo).replace(qsl("{from}"), user->name), false, true, media);
+				}
 			}
 			if (App::main()) App::main()->peerUpdated(user);
 		}
@@ -1645,7 +1665,9 @@ void MainWidget::feedUpdate(const MTPUpdate &update) {
 		const MTPDupdateContactRegistered &d(update.c_updateContactRegistered());
 		UserData *user = App::userLoaded(d.vuser_id.v);
 		if (user) {
-			App::history(user->id)->addToBackService(clientMsgId(), date(d.vdate), lang(lng_action_user_registered).replace(qsl("{from}"), user->name), false, true);
+			if (App::history(user->id)->loadedAtBottom()) {
+				App::history(user->id)->addToBackService(clientMsgId(), date(d.vdate), lang(lng_action_user_registered).replace(qsl("{from}"), user->name), false, true);
+			}
 		}
 	} break;
 

Telegram/SourceFiles/mainwidget.h

@@ -134,6 +134,7 @@ public:
 	PeerData *peerAfter(const PeerData *peer);
 	PeerData *peer();
 	PeerData *activePeer();
+	MsgId activeMsgId();
 	PeerData *profilePeer();
 	void showPeerProfile(const PeerData *peer, bool back = false);
 	void showPeerBack();
@@ -193,6 +194,9 @@ public:
     
     void readServerHistory(History *history, bool force = true);
 
+	uint64 animActiveTime() const;
+	void stopAnimActive();
+
 	~MainWidget();
 
 signals:
@@ -201,6 +205,7 @@ signals:
 	void peerNameChanged(PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars);
 	void peerPhotoChanged(PeerData *peer);
 	void dialogRowReplaced(DialogRow *oldRow, DialogRow *newRow);
+	void historyItemReplaced(HistoryItem *oldItem, HistoryItem *newItem);
 	void dialogToTop(const History::DialogLinks &links);
 	void dialogsUpdated();
 	void historyItemDeleted(HistoryItem *item);
@@ -227,7 +232,7 @@ public slots:
 	void mainStateChanged(Qt::WindowState state);
 	void updateOnlineDisplay();
 
-	void showPeer(const PeerId &peer, bool back = false, bool force = false);
+	void showPeer(const PeerId &peer, MsgId msgId = 0, bool back = false, bool force = false);
 	void onTopBarClick();
 	void onPeerShown(PeerData *peer);
 

Telegram/SourceFiles/mtproto/generate.py

@@ -189,19 +189,13 @@ with open('scheme.tl') as f:
 
       funcsText += '\tmtpTypeId type() const {\n\t\treturn mtpc_' + name + ';\n\t}\n'; # type id
 
-      if (len(prmsList)):
+      funcsText += '\tvoid read(const mtpPrime *&from, const mtpPrime *end, mtpTypeId cons = mtpc_' + name + ') {\n'; # read method
-        funcsText += '\tvoid read(const mtpPrime *&from, const mtpPrime *end, mtpTypeId /*cons*/ = mtpc_' + name + ') {\n'; # read method
-      else:
-        funcsText += '\tvoid read(const mtpPrime *&/*from*/, const mtpPrime */*end*/, mtpTypeId /*cons*/ = mtpc_' + name + ') {\n'; # read method
       for k in prmsList:
         v = prms[k];
         funcsText += '\t\tv' + k + '.read(from, end);\n';
       funcsText += '\t}\n';
 
-      if (len(prmsList)):
+      funcsText += '\tvoid write(mtpBuffer &to) const {\n'; # write method
-        funcsText += '\tvoid write(mtpBuffer &to) const {\n'; # write method
-      else:
-        funcsText += '\tvoid write(mtpBuffer &/*to*/) const {\n'; # write method
       for k in prmsList:
         v = prms[k];
         funcsText += '\t\tv' + k + '.write(to);\n';
@@ -538,10 +532,7 @@ for restype in typesList:
   inlineMethods += '}\n';
 
   typesText += '\tvoid write(mtpBuffer &to) const;\n'; # write method
-  if (len(writer)):
+  inlineMethods += 'inline void MTP' + restype + '::write(mtpBuffer &to) const {\n';
-    inlineMethods += 'inline void MTP' + restype + '::write(mtpBuffer &to) const {\n';
-  else:
-    inlineMethods += 'inline void MTP' + restype + '::write(mtpBuffer &/*to*/) const {\n';
   if (withType):
     inlineMethods += '\tswitch (_type) {\n';
     inlineMethods += writer;

Telegram/SourceFiles/mtproto/mtpConnection.h

@@ -41,6 +41,7 @@ inline bool mtpRequestData::needAckByType(mtpTypeId type) {
 	case mtpc_http_wait:
 	case mtpc_bad_msg_notification:
 	case mtpc_msgs_all_info:
+	case mtpc_msgs_state_info:
 	case mtpc_msg_detailed_info:
 	case mtpc_msg_new_detailed_info:
 		return false;

Telegram/SourceFiles/mtproto/mtpCoreTypes.h

@@ -328,6 +328,7 @@ enum {
 	mtpc_invokeWithLayer12 = 0xdda60d3c,
 	mtpc_invokeWithLayer13 = 0x427c8ea2,
 	mtpc_invokeWithLayer14 = 0x2b9b08fa,
+	mtpc_invokeWithLayer15 = 0xb4418b64,
 
 	// manually parsed
 	mtpc_rpc_result = 0xf35c6d01,
@@ -352,6 +353,7 @@ static const mtpTypeId mtpLayers[] = {
 	mtpc_invokeWithLayer12,
 	mtpc_invokeWithLayer13,
 	mtpc_invokeWithLayer14,
+	mtpc_invokeWithLayer15,
 }, mtpLayerMax = sizeof(mtpLayers) / sizeof(mtpLayers[0]);
 
 template <typename bareT>

Telegram/SourceFiles/mtproto/scheme.tl

@@ -30,6 +30,7 @@
 //invokeWithLayer12#dda60d3c query:!X = X;
 //invokeWithLayer13#427c8ea2 query:!X = X;
 //invokeWithLayer14#2b9b08fa query:!X = X;
+//invokeWithLayer15#b4418b64 query:!X = X;
 
 ///////////////////////////////
 /// Authorization key creation
@@ -123,6 +124,7 @@ register.saveDeveloperInfo#9a5f6e95 name:string email:string phone_number:string
 ---types---
 
 
+
 inputPeerEmpty#7f3b18ea = InputPeer;
 inputPeerSelf#7da07ec9 = InputPeer;
 inputPeerContact#1023dbe8 user_id:int = InputPeer;
@@ -340,6 +342,7 @@ inputMessagesFilterPhotos#9609a51c = MessagesFilter;
 inputMessagesFilterVideo#9fc00e65 = MessagesFilter;
 inputMessagesFilterPhotoVideo#56e9f0e4 = MessagesFilter;
 inputMessagesFilterDocument#9eddf188 = MessagesFilter;
+inputMessagesFilterAudio#cfc87522 = MessagesFilter;
 
 updateNewMessage#13abdb3 message:Message pts:int = Update;
 updateMessageID#4e90bfd6 id:int random_id:long = Update;

Telegram/SourceFiles/profilewidget.cpp

@@ -171,7 +171,7 @@ void ProfileInner::onClearHistory() {
 }
 
 void ProfileInner::onClearHistorySure() {
-	App::main()->showPeer(0, true);
+	App::main()->showPeer(0, 0, true);
 	App::wnd()->hideLayer();
 	App::main()->clearHistory(_peer);
 }
@@ -546,7 +546,7 @@ void ProfileInner::onKickConfirm() {
 
 void ProfileInner::keyPressEvent(QKeyEvent *e) {
 	if (e->key() == Qt::Key_Escape) {
-		App::main()->showPeer(0, true);
+		App::main()->showPeer(0, 0, true);
 	}
 }
 

Telegram/SourceFiles/pspecific_wnd.cpp

@@ -1393,12 +1393,12 @@ PsMainWindow::~PsMainWindow() {
 }
 
 void PsMainWindow::psNotify(History *history, MsgId msgId) {
-	if (App::quiting() || !history->notifyFrom) return;
+	if (App::quiting() || !history->currentNotification()) return;
 
 	bool haveSetting = (history->peer->notify != UnknownNotifySettings);
 	if (haveSetting) {
 		if (history->peer->notify != EmptyNotifySettings && history->peer->notify->mute > unixtime()) {
-			history->clearNotifyFrom();
+			history->clearNotifications();
 			return;
 		}
 	} else {
@@ -1454,7 +1454,7 @@ void PsMainWindow::psClearNotify(History *history) {
 			(*i)->unlinkHistory();
 		}
 		for (NotifyWhenMaps::const_iterator i = notifyWhenMaps.cbegin(), e = notifyWhenMaps.cend(); i != e; ++i) {
-			i.key()->clearNotifyFrom();
+			i.key()->clearNotifications();
 		}
 		notifyWaiters.clear();
 		notifySettingWaiters.clear();
@@ -1588,24 +1588,24 @@ void PsMainWindow::psShowNextNotify(PsNotifyWindow *remove) {
 		NotifyWaiters::iterator notifyWaiter;
 		for (NotifyWaiters::iterator i = notifyWaiters.begin(); i != notifyWaiters.end(); ++i) {
 			History *history = i.key();
-			if (history->notifyFrom && history->notifyFrom->id != i.value().msg) {
+			if (history->currentNotification() && history->currentNotification()->id != i.value().msg) {
 				NotifyWhenMaps::iterator j = notifyWhenMaps.find(history);
 				if (j == notifyWhenMaps.end()) {
-					history->clearNotifyFrom();
+					history->clearNotifications();
 					i = notifyWaiters.erase(i);
 					continue;
 				}
 				do {
-					NotifyWhenMap::const_iterator k = j.value().constFind(history->notifyFrom->id);
+					NotifyWhenMap::const_iterator k = j.value().constFind(history->currentNotification()->id);
 					if (k != j.value().cend()) {
 						i.value().msg = k.key();
 						i.value().when = k.value();
 						break;
 					}
-					history->getNextNotifyFrom();
+					history->skipNotification();
-				} while (history->notifyFrom);
+				} while (history->currentNotification());
 			}
-			if (!history->notifyFrom) {
+			if (!history->currentNotification()) {
 				notifyWhenMaps.remove(history);
 				i = notifyWaiters.erase(i);
 				continue;
@@ -1613,7 +1613,7 @@ void PsMainWindow::psShowNextNotify(PsNotifyWindow *remove) {
 			uint64 when = i.value().when;
 			if (!notifyItem || next > when) {
 				next = when;
-				notifyItem = history->notifyFrom;
+				notifyItem = history->currentNotification();
 				notifyWaiter = i;
 			}
 		}
@@ -1631,25 +1631,25 @@ void PsMainWindow::psShowNextNotify(PsNotifyWindow *remove) {
 
 				uint64 ms = getms();
 				History *history = notifyItem->history();
-				history->getNextNotifyFrom();
+				history->skipNotification();
 				NotifyWhenMaps::iterator j = notifyWhenMaps.find(history);
-				if (j == notifyWhenMaps.end() || !history->notifyFrom) {
+				if (j == notifyWhenMaps.end() || !history->currentNotification()) {
-					history->clearNotifyFrom();
+					history->clearNotifications();
 					notifyWaiters.erase(notifyWaiter);
 					if (j != notifyWhenMaps.end()) notifyWhenMaps.erase(j);
 					continue;
 				}
 				j.value().remove(notifyItem->id);
 				do {
-					NotifyWhenMap::const_iterator k = j.value().constFind(history->notifyFrom->id);
+					NotifyWhenMap::const_iterator k = j.value().constFind(history->currentNotification()->id);
 					if (k != j.value().cend()) {
 						notifyWaiter.value().msg = k.key();
 						notifyWaiter.value().when = k.value();
 						break;
 					}
-					history->getNextNotifyFrom();
+					history->skipNotification();
-				} while (history->notifyFrom);
+				} while (history->currentNotification());
-				if (!history->notifyFrom) {
+				if (!history->currentNotification()) {
 					notifyWaiters.erase(notifyWaiter);
 					notifyWhenMaps.erase(j);
 					continue;
@@ -1829,7 +1829,7 @@ void PsNotifyWindow::mousePressEvent(QMouseEvent *e) {
 	} else if (history) {
 		App::wnd()->showFromTray();
 		App::wnd()->hideSettings();
-		App::main()->showPeer(history->peer->id, false, true);
+		App::main()->showPeer(history->peer->id, 0, false, true);
 		e->ignore();
 	}
 }

Telegram/SourceFiles/stdafx.h

@@ -56,6 +56,7 @@ Copyright (c) 2014 John Preston, https://tdesktop.com
 #include "gui/flatinput.h"
 #include "gui/flattextarea.h"
 #include "gui/flatbutton.h"
+#include "gui/switcher.h"
 #include "gui/scrollarea.h"
 #include "gui/images.h"
 #include "gui/text.h"

Telegram/Telegram.vcxproj

@@ -314,6 +314,10 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="GeneratedFiles\Debug\moc_switcher.cpp">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="GeneratedFiles\Debug\moc_sysbuttons.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
@@ -498,6 +502,10 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="GeneratedFiles\Deploy\moc_switcher.cpp">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="GeneratedFiles\Deploy\moc_sysbuttons.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
@@ -691,6 +699,10 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="GeneratedFiles\Release\moc_switcher.cpp">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="GeneratedFiles\Release\moc_sysbuttons.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
@@ -740,6 +752,7 @@
     <ClCompile Include="SourceFiles\gui\flatbutton.cpp" />
     <ClCompile Include="SourceFiles\gui\scrollarea.cpp" />
     <ClCompile Include="SourceFiles\gui\style_core.cpp" />
+    <ClCompile Include="SourceFiles\gui\switcher.cpp" />
     <ClCompile Include="SourceFiles\gui\text.cpp" />
     <ClCompile Include="SourceFiles\gui\twidget.cpp" />
     <ClCompile Include="SourceFiles\history.cpp" />
@@ -1213,6 +1226,20 @@
       <AdditionalInputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(QTDIR)\bin\moc.exe;%(FullPath)</AdditionalInputs>
     </CustomBuild>
     <ClInclude Include="SourceFiles\gui\style_core.h" />
+    <CustomBuild Include="SourceFiles\gui\switcher.h">
+      <AdditionalInputs Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">$(QTDIR)\bin\moc.exe;%(FullPath)</AdditionalInputs>
+      <Message Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">Moc%27ing switcher.h...</Message>
+      <Outputs Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">.\GeneratedFiles\$(ConfigurationName)\moc_%(Filename).cpp</Outputs>
+      <Command Condition="'$(Configuration)|$(Platform)'=='Deploy|Win32'">"$(QTDIR)\bin\moc.exe"  "%(FullPath)" -o ".\GeneratedFiles\$(ConfigurationName)\moc_%(Filename).cpp" "-fstdafx.h" "-f../../SourceFiles/gui/switcher.h"  -DCUSTOM_API_ID -DUNICODE -D_WITH_DEBUG -DWIN32 -DWIN64 -DHAVE_STDINT_H -DZLIB_WINAPI -DQT_NO_DEBUG -DNDEBUG "-I.\..\..\Libraries\lzma\C" "-I.\..\..\Libraries\libexif-0.6.20" "-I.\..\..\Libraries\zlib-1.2.8" "-I.\..\..\Libraries\OpenSSL-Win32\include" "-I.\SourceFiles" "-I.\GeneratedFiles" "-I." "-I$(QTDIR)\include" "-I.\GeneratedFiles\$(ConfigurationName)\." "-I.\..\..\Libraries\QtStatic\qtbase\include\QtCore\5.3.0\QtCore" "-I.\..\..\Libraries\QtStatic\qtbase\include\QtGui\5.3.0\QtGui"</Command>
+      <AdditionalInputs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(QTDIR)\bin\moc.exe;%(FullPath)</AdditionalInputs>
+      <Message Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Moc%27ing switcher.h...</Message>
+      <Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.\GeneratedFiles\$(ConfigurationName)\moc_%(Filename).cpp</Outputs>
+      <Command Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">"$(QTDIR)\bin\moc.exe"  "%(FullPath)" -o ".\GeneratedFiles\$(ConfigurationName)\moc_%(Filename).cpp" "-fstdafx.h" "-f../../SourceFiles/gui/switcher.h"  -DUNICODE -DWIN32 -DWIN64 -DHAVE_STDINT_H -DZLIB_WINAPI "-I.\..\..\Libraries\lzma\C" "-I.\..\..\Libraries\libexif-0.6.20" "-I.\..\..\Libraries\zlib-1.2.8" "-I.\..\..\Libraries\OpenSSL-Win32\include" "-I.\SourceFiles" "-I.\GeneratedFiles" "-I." "-I$(QTDIR)\include" "-I.\GeneratedFiles\$(ConfigurationName)\." "-I.\..\..\Libraries\QtStatic\qtbase\include\QtCore\5.3.0\QtCore" "-I.\..\..\Libraries\QtStatic\qtbase\include\QtGui\5.3.0\QtGui"</Command>
+      <AdditionalInputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(QTDIR)\bin\moc.exe;%(FullPath)</AdditionalInputs>
+      <Message Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Moc%27ing switcher.h...</Message>
+      <Outputs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.\GeneratedFiles\$(ConfigurationName)\moc_%(Filename).cpp</Outputs>
+      <Command Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">"$(QTDIR)\bin\moc.exe"  "%(FullPath)" -o ".\GeneratedFiles\$(ConfigurationName)\moc_%(Filename).cpp" "-fstdafx.h" "-f../../SourceFiles/gui/switcher.h"  -DUNICODE -D_WITH_DEBUG -DWIN32 -DWIN64 -DHAVE_STDINT_H -DZLIB_WINAPI -DQT_NO_DEBUG -DNDEBUG "-I.\..\..\Libraries\lzma\C" "-I.\..\..\Libraries\libexif-0.6.20" "-I.\..\..\Libraries\zlib-1.2.8" "-I.\..\..\Libraries\OpenSSL-Win32\include" "-I.\SourceFiles" "-I.\GeneratedFiles" "-I." "-I$(QTDIR)\include" "-I.\GeneratedFiles\$(ConfigurationName)\." "-I.\..\..\Libraries\QtStatic\qtbase\include\QtCore\5.3.0\QtCore" "-I.\..\..\Libraries\QtStatic\qtbase\include\QtGui\5.3.0\QtGui"</Command>
+    </CustomBuild>
     <ClInclude Include="SourceFiles\gui\text.h" />
     <ClInclude Include="SourceFiles\history.h" />
     <CustomBuild Include="SourceFiles\historywidget.h">

Telegram/Telegram.vcxproj.filters

@@ -656,6 +656,18 @@
     <ClCompile Include="GeneratedFiles\Release\moc_aboutbox.cpp">
       <Filter>Generated Files\Release</Filter>
     </ClCompile>
+    <ClCompile Include="SourceFiles\gui\switcher.cpp">
+      <Filter>gui</Filter>
+    </ClCompile>
+    <ClCompile Include="GeneratedFiles\Deploy\moc_switcher.cpp">
+      <Filter>Generated Files\Deploy</Filter>
+    </ClCompile>
+    <ClCompile Include="GeneratedFiles\Debug\moc_switcher.cpp">
+      <Filter>Generated Files\Debug</Filter>
+    </ClCompile>
+    <ClCompile Include="GeneratedFiles\Release\moc_switcher.cpp">
+      <Filter>Generated Files\Release</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="SourceFiles\stdafx.h">
@@ -891,6 +903,9 @@
       <Filter>gui</Filter>
     </CustomBuild>
     <CustomBuild Include="Resources\lang.txt" />
+    <CustomBuild Include="SourceFiles\gui\switcher.h">
+      <Filter>gui</Filter>
+    </CustomBuild>
   </ItemGroup>
   <ItemGroup>
     <Image Include="SourceFiles\art\icon.png">