haikuports/net-im/telegram-desktop/patches/telegram_desktop-1.8.3.patchset

From 64a7e0393fa1d982a1c22c95e642651ad667c16f Mon Sep 17 00:00:00 2001
From: Gerasim Troeglazov <3dEyes@gmail.com>
Date: Sat, 10 Aug 2019 12:08:14 +1000
Subject: Add Haiku support


diff --git a/Telegram/Resources/etc/qt_haiku.conf b/Telegram/Resources/etc/qt_haiku.conf
new file mode 100644
index 0000000..6d80862
--- /dev/null
+++ b/Telegram/Resources/etc/qt_haiku.conf
@@ -0,0 +1,2 @@
+[Paths]
+Libraries=:/gui/art
diff --git a/Telegram/Resources/qrc/telegram_haiku.qrc b/Telegram/Resources/qrc/telegram_haiku.qrc
new file mode 100644
index 0000000..33115f9
--- /dev/null
+++ b/Telegram/Resources/qrc/telegram_haiku.qrc
@@ -0,0 +1,5 @@
+<RCC>
+  <qresource prefix="/qt">
+    <file alias="etc/qt.conf">../etc/qt_haiku.conf</file>
+  </qresource>
+</RCC>
diff --git a/Telegram/SourceFiles/base/algorithm_tests.cpp b/Telegram/SourceFiles/base/algorithm_tests.cpp
index 9e3df82..3092663 100644
--- a/Telegram/SourceFiles/base/algorithm_tests.cpp
+++ b/Telegram/SourceFiles/base/algorithm_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include "base/index_based_iterator.h"
 
@@ -47,4 +51,4 @@ TEST_CASE("index_based_iterator tests", "[base::algorithm]") {
 		auto expected = std::vector<int> { 5 };
 		REQUIRE(v == expected);
 	}
-}
\ No newline at end of file
+}
diff --git a/Telegram/SourceFiles/base/build_config.h b/Telegram/SourceFiles/base/build_config.h
index 3bcb595..b97d66a 100644
--- a/Telegram/SourceFiles/base/build_config.h
+++ b/Telegram/SourceFiles/base/build_config.h
@@ -17,13 +17,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #define OS_LINUX 1
 #elif defined(_WIN32) // __APPLE__ || __linux__
 #define OS_WIN 1
+#elif defined(__HAIKU__)
+#define OS_HAIKU 1
 #else // __APPLE__ || __linux__ || _WIN32
 #error Please add support for your platform in base/build_config.h
 #endif // else for __APPLE__ || __linux__ || _WIN32
 
 // For access to standard POSIXish features, use OS_POSIX instead of a
 // more specific macro.
-#if defined(OS_MAC) || defined(OS_LINUX)
+#if defined(OS_MAC) || defined(OS_LINUX) || defined(OS_HAIKU)
 #define OS_POSIX 1
 #endif // OS_MAC || OS_LINUX
 
diff --git a/Telegram/SourceFiles/base/flags_tests.cpp b/Telegram/SourceFiles/base/flags_tests.cpp
index 786dc49..b1ed887 100644
--- a/Telegram/SourceFiles/base/flags_tests.cpp
+++ b/Telegram/SourceFiles/base/flags_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include "base/flags.h"
 
diff --git a/Telegram/SourceFiles/base/flat_map_tests.cpp b/Telegram/SourceFiles/base/flat_map_tests.cpp
index e1372c4..facee18 100644
--- a/Telegram/SourceFiles/base/flat_map_tests.cpp
+++ b/Telegram/SourceFiles/base/flat_map_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include "base/flat_map.h"
 #include <string>
diff --git a/Telegram/SourceFiles/base/flat_set_tests.cpp b/Telegram/SourceFiles/base/flat_set_tests.cpp
index a73f1d2..77d98a6 100644
--- a/Telegram/SourceFiles/base/flat_set_tests.cpp
+++ b/Telegram/SourceFiles/base/flat_set_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include "base/flat_set.h"
 
diff --git a/Telegram/SourceFiles/base/tests_main.cpp b/Telegram/SourceFiles/base/tests_main.cpp
index fbdcb56..0eb0e4f 100644
--- a/Telegram/SourceFiles/base/tests_main.cpp
+++ b/Telegram/SourceFiles/base/tests_main.cpp
@@ -6,8 +6,12 @@ For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #define CATCH_CONFIG_RUNNER
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
 #include "reporters/catch_reporter_compact.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 #include <QFile>
 
 int (*TestForkedMethod)()/* = nullptr*/;
diff --git a/Telegram/SourceFiles/core/launcher.cpp b/Telegram/SourceFiles/core/launcher.cpp
index b5a6d7f..8223fad 100644
--- a/Telegram/SourceFiles/core/launcher.cpp
+++ b/Telegram/SourceFiles/core/launcher.cpp
@@ -5,6 +5,7 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+
 #include "core/launcher.h"
 
 #include "platform/platform_launcher.h"
@@ -16,6 +17,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/sandbox.h"
 #include "base/concurrent_timer.h"
 
+#ifdef __HAIKU__
+#include <signal.h>
+#include <unistd.h>
+#endif
+
 namespace Core {
 namespace {
 
@@ -273,6 +279,10 @@ int Launcher::exec() {
 
 	// I don't know why path is not in QT_PLUGIN_PATH by default
 	QCoreApplication::addLibraryPath("/usr/lib/qt/plugins");
+#if defined(Q_OS_HAIKU)
+	QCoreApplication::addLibraryPath("/boot/system/add-ons/Qt5");
+	QCoreApplication::addLibraryPath("/boot/system/add-ons/x86/Qt5");
+#endif
 	// without this Telegram doesn't start on Ubuntu 17.04 due GTK errors
 	setenv("QT_STYLE_OVERRIDE", "qwerty", false);
 	// Telegram doesn't start when extraordinary theme is set, see launchpad.net/bugs/1680943
@@ -462,7 +472,16 @@ int Launcher::executeApplication() {
 	Sandbox sandbox(this, arguments.count(), arguments.values());
 	MainQueueProcessor processor;
 	base::ConcurrentTimerEnvironment environment;
+#ifdef __HAIKU__
+	int res = sandbox.start();
+	CrashReports::Finish();
+	Platform::finish();
+	Logs::finish();
+	kill(::getpid(), SIGKILL);
+	return res;
+#else
 	return sandbox.start();
+#endif
 }
 
 } // namespace Core
diff --git a/Telegram/SourceFiles/core/update_checker.cpp b/Telegram/SourceFiles/core/update_checker.cpp
index ad19757..246e121 100644
--- a/Telegram/SourceFiles/core/update_checker.cpp
+++ b/Telegram/SourceFiles/core/update_checker.cpp
@@ -503,6 +503,8 @@ bool ParseCommonMap(
 			return "mac32";
 		} else if (Platform::IsMac()) {
 			return "mac";
+		} else if (Platform::IsHaiku()) {
+			return "haiku";
 		} else if (Platform::IsLinux32Bit()) {
 			return "linux32";
 		} else if (Platform::IsLinux64Bit()) {
@@ -1515,6 +1517,9 @@ bool checkReadyUpdate() {
 #elif defined Q_OS_LINUX // Q_OS_MAC
 	QString curUpdater = (cExeDir() + qsl("Updater"));
 	QFileInfo updater(cWorkingDir() + qsl("tupdates/temp/Updater"));
+#elif defined Q_OS_HAIKU // Q_OS_LINUX
+	QString curUpdater = (cExeDir() + qsl("Updater"));
+	QFileInfo updater(cWorkingDir() + qsl("tupdates/temp/Updater"));
 #endif // Q_OS_LINUX
 	if (!updater.exists()) {
 		QFileInfo current(curUpdater);
diff --git a/Telegram/SourceFiles/media/audio/media_audio.cpp b/Telegram/SourceFiles/media/audio/media_audio.cpp
index af0935f..2dc99d5 100644
--- a/Telegram/SourceFiles/media/audio/media_audio.cpp
+++ b/Telegram/SourceFiles/media/audio/media_audio.cpp
@@ -100,6 +100,7 @@ void EnumeratePlaybackDevices() {
 void EnumerateCaptureDevices() {
 	auto deviceNames = QStringList();
 	auto devices = alcGetString(nullptr, ALC_CAPTURE_DEVICE_SPECIFIER);
+#ifndef __HAIKU__
 	Assert(devices != nullptr);
 	while (*devices != 0) {
 		auto deviceName8Bit = QByteArray(devices);
@@ -108,7 +109,7 @@ void EnumerateCaptureDevices() {
 		devices += deviceName8Bit.size() + 1;
 	}
 	LOG(("Audio Capture Devices: %1").arg(deviceNames.join(';')));
-
+#endif
 	if (auto device = alcGetString(nullptr, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER)) {
 		LOG(("Audio Capture Default Device: %1").arg(QString::fromLocal8Bit(device)));
 	} else {
diff --git a/Telegram/SourceFiles/platform/haiku/file_utilities_haiku.cpp b/Telegram/SourceFiles/platform/haiku/file_utilities_haiku.cpp
new file mode 100644
index 0000000..47a223f
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/file_utilities_haiku.cpp
@@ -0,0 +1,133 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include "platform/haiku/file_utilities_haiku.h"
+
+#include "mainwindow.h"
+#include "storage/localstorage.h"
+
+namespace Platform {
+namespace File {
+namespace internal {
+
+QByteArray EscapeShell(const QByteArray &content) {
+	auto result = QByteArray();
+
+	auto b = content.constData(), e = content.constEnd();
+	for (auto ch = b; ch != e; ++ch) {
+		if (*ch == ' ' || *ch == '"' || *ch == '\'' || *ch == '\\') {
+			if (result.isEmpty()) {
+				result.reserve(content.size() * 2);
+			}
+			if (ch > b) {
+				result.append(b, ch - b);
+			}
+			result.append('\\');
+			b = ch;
+		}
+	}
+	if (result.isEmpty()) {
+		return content;
+	}
+
+	if (e > b) {
+		result.append(b, e - b);
+	}
+	return result;
+}
+
+} // namespace internal
+
+void UnsafeShowInFolder(const QString &filepath) {
+	Ui::hideLayer(anim::type::instant); // Hide mediaview to make other apps visible.
+	auto absolutePath = QFileInfo(filepath).absoluteFilePath();
+	QProcess process;
+	auto command = qsl("open");
+	auto arguments = QStringList();
+	arguments << QFileInfo(filepath).absoluteDir().absolutePath();
+
+	if (!process.startDetached(command, arguments)) {
+		LOG(("Failed to launch '%1 %2'").arg(command).arg(arguments.join(' ')));
+	}
+}
+
+bool UnsafeShowOpenWith(const QString &filepath) {
+	auto absolutePath = QFileInfo(filepath).absoluteFilePath();
+
+	QProcess process;
+	auto command = qsl("open");
+	auto arguments = QStringList();
+	arguments << absolutePath;
+
+	if (!process.startDetached(command, arguments)) {
+		LOG(("Failed to launch '%1 %2'").arg(command).arg(arguments.join(' ')));
+		return false;
+	}
+	return true;
+}
+
+} // namespace File
+
+namespace FileDialog {
+namespace {
+
+using Type = ::FileDialog::internal::Type;
+
+bool NativeSupported() {
+	return false;
+}
+
+bool PreviewSupported() {
+	return false;
+}
+
+
+
+} // namespace
+
+bool Get(QPointer<QWidget> parent, QStringList &files, QByteArray &remoteContent, const QString &caption, \
+		const QString &filter, Type type, QString startFile) {
+	return ::FileDialog::internal::GetDefault(parent, files, remoteContent, caption, filter, type, startFile);
+}
+
+namespace internal {
+
+
+
+
+namespace {
+
+const char *filterRegExp =
+"^(.*)\\(([a-zA-Z0-9_.,*? +;#\\-\\[\\]@\\{\\}/!<>\\$%&=^~:\\|]*)\\)$";
+
+// Makes a list of filters from a normal filter string "Image Files (*.png *.jpg)"
+QStringList cleanFilterList(const QString &filter) {
+	QRegExp regexp(QString::fromLatin1(filterRegExp));
+	Q_ASSERT(regexp.isValid());
+	QString f = filter;
+	int i = regexp.indexIn(f);
+	if (i >= 0)
+		f = regexp.cap(2);
+	return f.split(QLatin1Char(' '), QString::SkipEmptyParts);
+}
+
+} // namespace
+
+
+
+} // namespace internal
+} // namespace FileDialog
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/file_utilities_haiku.h b/Telegram/SourceFiles/platform/haiku/file_utilities_haiku.h
new file mode 100644
index 0000000..ed8367c
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/file_utilities_haiku.h
@@ -0,0 +1,67 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+#include "platform/platform_file_utilities.h"
+
+extern "C" {
+#undef signals
+#define signals public
+} // extern "C"
+
+namespace Platform {
+namespace File {
+namespace internal {
+
+QByteArray EscapeShell(const QByteArray &content);
+
+} // namespace internal
+
+inline QString UrlToLocal(const QUrl &url) {
+	return ::File::internal::UrlToLocalDefault(url);
+}
+
+inline void UnsafeOpenEmailLink(const QString &email) {
+	return ::File::internal::UnsafeOpenEmailLinkDefault(email);
+}
+
+inline bool UnsafeShowOpenWithDropdown(const QString &filepath, QPoint menuPosition) {
+	return false;
+}
+
+inline void UnsafeLaunch(const QString &filepath) {
+	return ::File::internal::UnsafeLaunchDefault(filepath);
+}
+
+inline void PostprocessDownloaded(const QString &filepath) {
+}
+
+} // namespace File
+
+namespace FileDialog {
+
+inline void InitLastPath() {
+	::FileDialog::internal::InitLastPathDefault();
+}
+
+namespace internal {
+
+
+
+} // namespace internal
+} // namespace FileDialog
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/haiku_desktop_environment.cpp b/Telegram/SourceFiles/platform/haiku/haiku_desktop_environment.cpp
new file mode 100644
index 0000000..5fe1b94
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/haiku_desktop_environment.cpp
@@ -0,0 +1,67 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include "platform/haiku/haiku_desktop_environment.h"
+
+namespace Platform {
+namespace DesktopEnvironment {
+namespace {
+
+QString GetEnv(const char *name) {
+	auto result = getenv(name);
+	auto value = result ? QString::fromLatin1(result) : QString();
+	LOG(("Getting DE, %1: '%2'").arg(name).arg(value));
+	return value;
+}
+
+Type Compute() {
+	return Type::Other;
+}
+
+Type ComputeAndLog() {
+	auto result = Compute();
+	auto name = [result]() -> QString {
+		switch (result) {
+		case Type::Other: return "Other";
+		}
+		return QString::number(static_cast<int>(result));
+	};
+	LOG(("DE: %1").arg(name()));
+	return result;
+}
+
+} // namespace
+
+// Thanks Chromium.
+Type Get() {
+	static const auto result = ComputeAndLog();
+	return result;
+}
+
+bool TryQtTrayIcon() {
+	return true;
+}
+
+bool PreferAppIndicatorTrayIcon() {
+	return false;
+}
+
+bool TryUnityCounter() {
+	return false;
+}
+
+} // namespace DesktopEnvironment
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/haiku_desktop_environment.h b/Telegram/SourceFiles/platform/haiku/haiku_desktop_environment.h
new file mode 100644
index 0000000..248d8a8
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/haiku_desktop_environment.h
@@ -0,0 +1,33 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+namespace Platform {
+namespace DesktopEnvironment {
+
+enum class Type {
+	Other
+};
+
+Type Get();
+
+bool TryQtTrayIcon();
+bool PreferAppIndicatorTrayIcon();
+bool TryUnityCounter();
+
+} // namespace DesktopEnvironment
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/info_haiku.cpp b/Telegram/SourceFiles/platform/haiku/info_haiku.cpp
new file mode 100644
index 0000000..a939825
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/info_haiku.cpp
@@ -0,0 +1,41 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2019 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include "platform/haiku/info_haiku.h"
+
+namespace Platform {
+
+QString DeviceModelPretty() {
+	return "PC";
+}
+
+QString SystemVersionPretty() {
+	return "Haiku";
+}
+
+QString SystemCountry() {
+	return QString();
+}
+
+QString SystemLanguage() {
+	return QString();
+}
+
+QDate WhenSystemBecomesOutdated() {
+	return QDate();
+}
+
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/info_haiku.h b/Telegram/SourceFiles/platform/haiku/info_haiku.h
new file mode 100644
index 0000000..32f2da5
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/info_haiku.h
@@ -0,0 +1,51 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2019 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+#include "platform/platform_info.h"
+
+namespace Platform {
+
+inline constexpr bool IsHaiku() {
+	return true;
+}
+
+inline constexpr bool IsWindows() { return false; }
+inline constexpr bool IsWindowsStoreBuild() { return false; }
+inline bool IsWindowsXPOrGreater() { return false; }
+inline bool IsWindowsVistaOrGreater() { return false; }
+inline bool IsWindows7OrGreater() { return false; }
+inline bool IsWindows8OrGreater() { return false; }
+inline bool IsWindows8Point1OrGreater() { return false; }
+inline bool IsWindows10OrGreater() { return false; }
+inline constexpr bool IsMac() { return false; }
+inline constexpr bool IsMacOldBuild() { return false; }
+inline constexpr bool IsMacStoreBuild() { return false; }
+inline bool IsMac10_6OrGreater() { return false; }
+inline bool IsMac10_7OrGreater() { return false; }
+inline bool IsMac10_8OrGreater() { return false; }
+inline bool IsMac10_9OrGreater() { return false; }
+inline bool IsMac10_10OrGreater() { return false; }
+inline bool IsMac10_11OrGreater() { return false; }
+inline bool IsMac10_12OrGreater() { return false; }
+inline bool IsMac10_13OrGreater() { return false; }
+inline bool IsMac10_14OrGreater() { return false; }
+inline constexpr bool IsLinux() { return false; }
+inline constexpr bool IsLinux32Bit() { return false; }
+inline constexpr bool IsLinux64Bit() { return false; }
+
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/launcher_haiku.cpp b/Telegram/SourceFiles/platform/haiku/launcher_haiku.cpp
new file mode 100644
index 0000000..7cae4cc
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/launcher_haiku.cpp
@@ -0,0 +1,68 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include "platform/haiku/launcher_haiku.h"
+
+#include "core/crash_reports.h"
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <cstdlib>
+#include <unistd.h>
+#include <dirent.h>
+#include <pwd.h>
+
+namespace Platform {
+namespace {
+
+class Arguments {
+public:
+	void push(QByteArray argument) {
+		argument.append(char(0));
+		_argumentValues.push_back(argument);
+		_arguments.push_back(_argumentValues.back().data());
+	}
+
+	char **result() {
+		_arguments.push_back(nullptr);
+		return _arguments.data();
+	}
+
+private:
+	std::vector<QByteArray> _argumentValues;
+	std::vector<char*> _arguments;
+
+};
+
+QString DeviceModel() {
+	return "PC";
+}
+
+QString SystemVersion() {
+	return "Haiku";
+}
+
+} // namespace
+
+Launcher::Launcher(int argc, char *argv[])
+: Core::Launcher(argc, argv, DeviceModel(), SystemVersion()) {
+}
+
+bool Launcher::launchUpdater(UpdaterLaunch action) {
+	return false;
+}
+
+} // namespace
diff --git a/Telegram/SourceFiles/platform/haiku/launcher_haiku.h b/Telegram/SourceFiles/platform/haiku/launcher_haiku.h
new file mode 100644
index 0000000..54073f5
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/launcher_haiku.h
@@ -0,0 +1,32 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+#include "core/launcher.h"
+
+namespace Platform {
+
+class Launcher : public Core::Launcher {
+public:
+	Launcher(int argc, char *argv[]);
+
+private:
+	bool launchUpdater(UpdaterLaunch action) override;
+
+};
+
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/main_window_haiku.cpp b/Telegram/SourceFiles/platform/haiku/main_window_haiku.cpp
new file mode 100644
index 0000000..45def85
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/main_window_haiku.cpp
@@ -0,0 +1,129 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include "platform/haiku/main_window_haiku.h"
+
+#include "styles/style_window.h"
+#include "platform/haiku/haiku_desktop_environment.h"
+#include "history/history.h"
+#include "mainwindow.h"
+#include "core/application.h"
+#include "lang/lang_keys.h"
+#include "storage/localstorage.h"
+
+namespace Platform {
+
+MainWindow::MainWindow(not_null<Window::Controller*> controller)
+: Window::MainWindow(controller) {
+	connect(&_psCheckStatusIconTimer, SIGNAL(timeout()), this, SLOT(psStatusIconCheck()));
+	_psCheckStatusIconTimer.setSingleShot(false);
+
+	connect(&_psUpdateIndicatorTimer, SIGNAL(timeout()), this, SLOT(psUpdateIndicator()));
+	_psUpdateIndicatorTimer.setSingleShot(true);
+}
+
+bool MainWindow::hasTrayIcon() const {
+	return true;
+}
+
+void MainWindow::psStatusIconCheck() {
+	if (cSupportTray() || !--_psCheckStatusIconLeft) {
+		_psCheckStatusIconTimer.stop();
+		return;
+	}
+}
+
+void MainWindow::psShowTrayMenu() {
+}
+
+void MainWindow::psTrayMenuUpdated() {
+}
+
+void MainWindow::psSetupTrayIcon() {
+	if (!trayIcon) {
+		trayIcon = new QSystemTrayIcon(this);
+
+		auto icon = QIcon(App::pixmapFromImageInPlace(Core::App().logoNoMargin()));
+
+		trayIcon->setIcon(icon);
+		trayIcon->setToolTip(str_const_toString(AppName));
+		connect(trayIcon, SIGNAL(messageClicked()), this, SLOT(showFromTray()));
+		attachToTrayIcon(trayIcon);
+		App::wnd()->updateTrayMenu();
+	}
+	updateIconCounters();
+
+	trayIcon->show();
+}
+
+void MainWindow::workmodeUpdated(DBIWorkMode mode) {
+	psSetupTrayIcon();
+	if (mode == dbiwmWindowOnly) {
+		if (trayIcon) {
+			trayIcon->setContextMenu(0);
+			delete trayIcon;
+			trayIcon = nullptr;
+		}
+	}
+}
+
+
+void MainWindow::psUpdateIndicator() {
+}
+
+void MainWindow::unreadCounterChangedHook() {
+	setWindowTitle(titleText());
+	updateIconCounters();
+}
+
+void MainWindow::updateIconCounters() {
+	const auto counter = Core::App().unreadBadge();
+	const auto muted = Core::App().unreadBadgeMuted();
+	auto &bg = (muted ? st::trayCounterBgMute : st::trayCounterBg);
+	auto &fg = st::trayCounterFg;
+	if (trayIcon) {
+		QIcon icon;
+		icon.addPixmap(App::pixmapFromImageInPlace(iconWithCounter(16, counter, bg, fg, true)));
+		icon.addPixmap(App::pixmapFromImageInPlace(iconWithCounter(32, counter, bg, fg, true)));
+		trayIcon->setIcon(icon);
+	}
+}
+
+void MainWindow::LibsLoaded() {
+}
+
+void MainWindow::psCreateTrayIcon() {
+
+}
+
+void MainWindow::psFirstShow() {
+	psCreateTrayIcon();
+	psUpdateMargins();
+	bool showShadows = true;
+	show();
+	setPositionInited();
+}
+
+void MainWindow::psInitSysMenu() {
+}
+
+void MainWindow::psUpdateMargins() {
+}
+
+MainWindow::~MainWindow() {
+}
+
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/main_window_haiku.h b/Telegram/SourceFiles/platform/haiku/main_window_haiku.h
new file mode 100644
index 0000000..5d27c4e
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/main_window_haiku.h
@@ -0,0 +1,73 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+#include "platform/platform_main_window.h"
+
+namespace Platform {
+
+class MainWindow : public Window::MainWindow {
+	Q_OBJECT
+
+public:
+	explicit MainWindow(not_null<Window::Controller*> controller);
+
+	void psFirstShow();
+	void psInitSysMenu();
+	void psUpdateMargins();
+
+	void psRefreshTaskbarIcon() {
+	}
+
+	virtual QImage iconWithCounter(int size, int count, style::color bg, style::color fg, bool smallIcon) = 0;
+
+	static void LibsLoaded();
+
+	~MainWindow();
+
+public slots:
+	void psShowTrayMenu();
+
+	void psStatusIconCheck();
+	void psUpdateIndicator();
+
+protected:
+	void unreadCounterChangedHook() override;
+
+	bool hasTrayIcon() const override;
+
+	void workmodeUpdated(DBIWorkMode mode) override;
+
+	QSystemTrayIcon *trayIcon = nullptr;
+	QMenu *trayIconMenu = nullptr;
+
+	void psTrayMenuUpdated();
+	void psSetupTrayIcon();
+
+	virtual void placeSmallCounter(QImage &img, int size, int count, style::color bg, const QPoint &shift, style::color color) = 0;
+
+private:
+	void updateIconCounters();
+	void psCreateTrayIcon();
+
+	QTimer _psCheckStatusIconTimer;
+	int _psCheckStatusIconLeft = 100;
+
+	QTimer _psUpdateIndicatorTimer;
+};
+
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.cpp b/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.cpp
new file mode 100644
index 0000000..9709580
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.cpp
@@ -0,0 +1,70 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include <Application.h>
+#include <OS.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#define APPSIGNATURE "application/x-vnd.tg-notify-gate"
+#define NOTIFY_PORT_NAME "tg_notify"
+#define NOTIFY_MESSAGE 'TGNF'
+
+typedef struct notify_msg
+{
+	uint64	peerId;
+	int32	msgId;
+} notify_msg;
+
+class SimpleLauncherApp : public BApplication {
+	public:
+		SimpleLauncherApp(int argc, char **argv);
+		void	ArgvReceived(int32 argc, char **argv);
+		virtual void ReadyToRun();
+};
+
+SimpleLauncherApp::SimpleLauncherApp(int argc, char **argv) : BApplication(APPSIGNATURE)
+{
+}
+
+void
+SimpleLauncherApp::ArgvReceived(int32 argc, char **argv)
+{
+	if (argc==2) {
+		notify_msg message;
+		sscanf(argv[1], "%lld %d", &message.peerId, &message.msgId);
+		if (message.peerId != 0 && message.msgId != 0) {
+			port_id portId = find_port(NOTIFY_PORT_NAME);
+			if (portId > 0) {
+				write_port(portId, NOTIFY_MESSAGE, &message, sizeof(message));
+			}
+		}
+	}
+}
+
+void
+SimpleLauncherApp::ReadyToRun()
+{
+    Quit();
+}
+
+int main(int argc, char **argv)
+{
+	SimpleLauncherApp application(argc, argv);
+	application.Run();
+	return 0;
+}
diff --git a/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.rdef b/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.rdef
new file mode 100644
index 0000000..b6f3490
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/notifications_haiku_gate.rdef
@@ -0,0 +1,13 @@
+resource app_flags B_MULTIPLE_LAUNCH | B_BACKGROUND_APP;
+
+resource app_version {
+	major  = 0,
+	middle = 0,
+	minor  = 1,
+	variety = B_APPV_FINAL,
+	internal = 0,
+	short_info = "tg-notify-gate",
+	long_info = "Telegram native notifications gate"
+};
+
+resource app_signature "application/x-vnd.tg-notify-gate";
diff --git a/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp
new file mode 100644
index 0000000..9b3a71a
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp
@@ -0,0 +1,214 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#ifdef __x86_64__
+#define int64 XXX
+#define uint64 YYY
+#else
+#define int32 XXX
+#define uint32 YYY
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <SupportDefs.h>
+#include <Notification.h>
+#include <Bitmap.h>
+#include <TranslationUtils.h>
+#include <Entry.h>
+#include <OS.h>
+
+#include "platform/haiku/notifications_manager_haiku.h"
+
+#include "window/notifications_utilities.h"
+#include "lang/lang_keys.h"
+#include "history/history.h"
+
+#include <QProcess>
+#include <QThread>
+#include <QObject>
+#include <QString>
+#include <QStringList>
+
+namespace Platform {
+namespace Notifications {
+namespace {
+
+} // namespace
+
+bool Supported() {
+	return true;
+}
+
+std::unique_ptr<Window::Notifications::Manager> Create(Window::Notifications::System *system) {
+	if (Global::NativeNotifications() && Supported()) {
+		auto result = std::make_unique<Manager>(system);
+		if (result->init()) {
+			return std::move(result);
+		}
+	}
+	return nullptr;
+}
+
+void Finish() {
+}
+
+NotifyReader::NotifyReader()
+{
+	portId = create_port(NOTIFY_MESSAGE_DEEP, NOTIFY_PORT_NAME);
+}
+
+NotifyReader::~NotifyReader()
+{
+	if (portId >= B_OK)
+		delete_port(portId);
+}
+
+void NotifyReader::run()
+{
+	notify_msg message;
+	int32 code;
+	
+	while (true) {
+		ssize_t bytesRead = read_port(portId, &code, &message, sizeof(message));
+		if (bytesRead == B_BAD_PORT_ID)
+			break;
+		if (bytesRead < (ssize_t)sizeof(message) || code != NOTIFY_MESSAGE)
+			continue;
+		if (message.peerId != 0 && message.msgId != 0)
+			notificationActivated(message.peerId, message.msgId);
+	}
+}
+
+Manager::Private::Private(Manager *instance, Type type)
+: _guarded(std::make_shared<Manager*>(instance))
+, _cachedUserpics(type) {
+	_weak = _guarded;
+}
+
+bool Manager::Private::init() {
+	portReaderThread = new QThread;
+	portReader = new NotifyReader();
+	portReader->moveToThread(portReaderThread);
+	connect(portReaderThread, SIGNAL(started()), portReader, SLOT(run()));
+	qRegisterMetaType<PeerId>("PeerId");
+	qRegisterMetaType<MsgId>("MsgId");
+	connect(portReader, SIGNAL(notificationActivated(PeerId, MsgId)), \
+		this, SLOT(notificationActivatedSlot(PeerId, MsgId)));
+	portReaderThread->start();
+	return true;
+}
+
+Manager::Private::~Private() {	
+	clearAll();
+}
+
+void Manager::Private::clearAll() {
+}
+
+void Manager::Private::clearFromHistory(History *history) {
+}
+
+void Manager::Private::beforeNotificationActivated(PeerId peerId, MsgId msgId) {
+}
+
+void Manager::Private::afterNotificationActivated(PeerId peerId, MsgId msgId) {
+}
+
+void Manager::Private::clearNotification(PeerId peerId, MsgId msgId) {
+}
+
+bool Manager::Private::showNotification(PeerData *peer, MsgId msgId, const QString &title, \
+	const QString &subtitle, const QString &msg, bool hideNameAndPhoto, bool hideReplyButton) {
+	auto titleText = title;
+	auto subtitleText = subtitle;
+	auto msgText = msg;
+
+	const auto key = hideNameAndPhoto
+		? InMemoryKey()
+		: peer->userpicUniqueKey();
+
+	auto userpicPath = _cachedUserpics.get(key, peer);
+	BBitmap *icon = BTranslationUtils::GetBitmapFile(userpicPath.toUtf8().data());
+	QString args = QString("%1 %2").arg(peer->id).arg(msgId);
+	BNotification notify(B_INFORMATION_NOTIFICATION);
+	if (icon)
+		notify.SetIcon(icon);
+	notify.SetGroup("Telegram");
+	notify.SetTitle(titleText.toUtf8().data());
+	notify.SetContent(msgText.toUtf8().data());
+	entry_ref ref;
+	BEntry entry(NOTIFY_GATE_NAME);
+	entry.GetRef(&ref);
+	notify.SetOnClickFile(&ref);
+	notify.AddOnClickArg(BString(args.toUtf8().data()));
+	notify.Send();
+
+	return true;
+}
+
+void Manager::Private::notificationActivatedSlot(PeerId _peerId, MsgId _msgId)
+{
+	qDebug() << _peerId << _msgId;
+	performOnMainQueue([peerId = _peerId, msgId = _msgId](Manager *manager) {
+		manager->notificationActivated(peerId, msgId);
+	});
+}
+
+Manager::Manager(Window::Notifications::System *system) : NativeManager(system)
+, _private(std::make_unique<Private>(this, Private::Type::Rounded)) {
+}
+
+bool Manager::init() {
+	return _private->init();
+}
+
+void Manager::clearNotification(PeerId peerId, MsgId msgId) {
+	_private->clearNotification(peerId, msgId);
+}
+
+Manager::~Manager() = default;
+
+void Manager::doShowNativeNotification(PeerData *peer, MsgId msgId, const QString &title, \
+	const QString &subtitle, const QString &msg, bool hideNameAndPhoto, bool hideReplyButton) {
+	_private->showNotification(peer, msgId, title, subtitle, msg, hideNameAndPhoto, hideReplyButton);
+}
+
+void Manager::doClearAllFast() {
+	_private->clearAll();
+}
+
+void Manager::doClearFromHistory(History *history) {
+	_private->clearFromHistory(history);
+}
+
+void Manager::onBeforeNotificationActivated(PeerId peerId, MsgId msgId) {
+	_private->beforeNotificationActivated(peerId, msgId);
+}
+
+void Manager::onAfterNotificationActivated(PeerId peerId, MsgId msgId) {
+	_private->afterNotificationActivated(peerId, msgId);
+}
+
+bool Manager::hasActionsSupport() const {
+	return _private->hasActionsSupport();
+}
+
+} // namespace Notifications
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h
new file mode 100644
index 0000000..25c8e26
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h
@@ -0,0 +1,130 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+#include "platform/platform_notifications_manager.h"
+#include "window/notifications_utilities.h"
+
+#include <QProcess>
+#include <QThread>
+#include <QObject>
+
+#define NOTIFY_MESSAGE_DEEP	16
+#define NOTIFY_PORT_NAME "tg_notify"
+#define NOTIFY_GATE_NAME "/bin/tg-notify-gate"
+#define NOTIFY_MESSAGE 'TGNF'
+
+typedef struct notify_msg
+{
+	uint64	peerId;
+	int32	msgId;
+} notify_msg;
+
+namespace Platform {
+namespace Notifications {
+
+inline bool SkipAudio() {
+	return false;
+}
+
+inline bool SkipToast() {
+	return false;
+}
+
+inline void FlashBounce() {
+}
+
+void Finish();
+
+class NotifyReader:public QObject {
+	Q_OBJECT
+public:
+	NotifyReader();
+	~NotifyReader();
+public slots:
+	void run();
+signals:
+	void notificationActivated(PeerId peerId, MsgId msgId);
+private:	
+	int32 portId;
+};
+
+
+class Manager : public Window::Notifications::NativeManager {
+public:
+	Manager(Window::Notifications::System *system);
+
+	bool init();
+
+	void clearNotification(PeerId peerId, MsgId msgId);
+
+	~Manager();
+
+protected:
+	void doShowNativeNotification(PeerData *peer, MsgId msgId, const QString &title, \
+		const QString &subtitle, const QString &msg, bool hideNameAndPhoto, bool hideReplyButton) override;
+	void doClearAllFast() override;
+	void doClearFromHistory(History *history) override;
+	void onBeforeNotificationActivated(PeerId peerId, MsgId msgId) override;
+	void onAfterNotificationActivated(PeerId peerId, MsgId msgId) override;
+
+	bool hasActionsSupport() const;
+
+private:
+	class Private;
+	const std::unique_ptr<Private> _private;
+};
+
+class Manager::Private : public QObject {
+	Q_OBJECT
+public:
+	using Type = Window::Notifications::CachedUserpics::Type;
+	explicit Private(Manager *instance, Type type);
+	bool init();
+
+	bool showNotification(PeerData *peer, MsgId msgId, const QString &title, const QString &subtitle, \
+		const QString &msg, bool hideNameAndPhoto, bool hideReplyButton);
+	void clearAll();
+	void clearFromHistory(History *history);
+	void beforeNotificationActivated(PeerId peerId, MsgId msgId);
+	void afterNotificationActivated(PeerId peerId, MsgId msgId);
+	void clearNotification(PeerId peerId, MsgId msgId);
+
+	bool hasActionsSupport() const {
+		return true;
+	}
+	
+	void performOnMainQueue(FnMut<void(Manager *manager)> task) {
+		const auto weak = _weak;
+		crl::on_main(weak, [=, task = std::move(task)]() mutable {
+			task(*weak.lock());
+		});
+	}
+
+	~Private();
+public slots:
+	void notificationActivatedSlot(PeerId peerId, MsgId msgId);
+private:
+	Window::Notifications::CachedUserpics _cachedUserpics;
+	std::shared_ptr<Manager*> _guarded;
+	std::weak_ptr<Manager*> _weak;
+	QThread *portReaderThread;
+	NotifyReader *portReader;
+};
+
+} // namespace Notifications
+} // namespace Platform
diff --git a/Telegram/SourceFiles/platform/haiku/specific_haiku.cpp b/Telegram/SourceFiles/platform/haiku/specific_haiku.cpp
new file mode 100644
index 0000000..0cc771c
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/specific_haiku.cpp
@@ -0,0 +1,411 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#include "platform/haiku/specific_haiku.h"
+
+#include "lang/lang_keys.h"
+#include "mainwidget.h"
+#include "mainwindow.h"
+#include "storage/localstorage.h"
+#include "platform/haiku/file_utilities_haiku.h"
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <cstdlib>
+#include <unistd.h>
+#include <dirent.h>
+#include <pwd.h>
+
+#include <iostream>
+
+#include <qpa/qplatformnativeinterface.h>
+
+using namespace Platform;
+
+using Platform::File::internal::EscapeShell;
+
+namespace Platform {
+
+QString CurrentExecutablePath(int argc, char *argv[]) {
+	return argc ? QFile::decodeName(argv[0]) : QString();
+}
+
+} // namespace Platform
+
+namespace {
+
+class _PsEventFilter : public QAbstractNativeEventFilter {
+public:
+	bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) {
+		//auto wnd = App::wnd();
+		//if (!wnd) return false;
+
+		return false;
+	}
+};
+_PsEventFilter *_psEventFilter = nullptr;
+
+QRect _monitorRect;
+auto _monitorLastGot = 0LL;
+
+} // namespace
+
+QRect psDesktopRect() {
+	auto tnow = crl::now();
+	if (tnow > _monitorLastGot + 1000LL || tnow < _monitorLastGot) {
+		_monitorLastGot = tnow;
+		_monitorRect = QApplication::desktop()->availableGeometry(App::wnd());
+	}
+	return _monitorRect;
+}
+
+void psShowOverAll(QWidget *w, bool canFocus) {
+	w->show();
+}
+
+void psBringToBack(QWidget *w) {
+	w->hide();
+}
+
+QAbstractNativeEventFilter *psNativeEventFilter() {
+	delete _psEventFilter;
+	_psEventFilter = new _PsEventFilter();
+	return _psEventFilter;
+}
+
+void psWriteDump() {
+}
+
+QString demanglestr(const QString &mangled) {
+	if (mangled.isEmpty()) return mangled;
+
+	QByteArray cmd = ("c++filt -n " + mangled).toUtf8();
+	FILE *f = popen(cmd.constData(), "r");
+	if (!f) return "BAD_SYMBOL_" + mangled;
+
+	QString result;
+	char buffer[4096] = { 0 };
+	while (!feof(f)) {
+		if (fgets(buffer, 4096, f) != NULL) {
+			result += buffer;
+		}
+	}
+	pclose(f);
+	return result.trimmed();
+}
+
+QStringList addr2linestr(uint64 *addresses, int count) {
+	QStringList result;
+	if (!count || cExeName().isEmpty()) return result;
+
+	result.reserve(count);
+	QByteArray cmd = "addr2line -e " + EscapeShell(QFile::encodeName(cExeDir() + cExeName()));
+	for (int i = 0; i < count; ++i) {
+		if (addresses[i]) {
+			cmd += qsl(" 0x%1").arg(addresses[i], 0, 16).toUtf8();
+		}
+	}
+	FILE *f = popen(cmd.constData(), "r");
+
+	QStringList addr2lineResult;
+	if (f) {
+		char buffer[4096] = {0};
+		while (!feof(f)) {
+			if (fgets(buffer, 4096, f) != NULL) {
+				addr2lineResult.push_back(QString::fromUtf8(buffer));
+			}
+		}
+		pclose(f);
+	}
+	for (int i = 0, j = 0; i < count; ++i) {
+		if (addresses[i]) {
+			if (j < addr2lineResult.size() && !addr2lineResult.at(j).isEmpty() && !addr2lineResult.at(j).startsWith(qstr("0x"))) {
+				QString res = addr2lineResult.at(j).trimmed();
+				if (int index = res.indexOf(qstr("/Telegram/"))) {
+					if (index > 0) {
+						res = res.mid(index + qstr("/Telegram/").size());
+					}
+				}
+				result.push_back(res);
+			} else {
+				result.push_back(QString());
+			}
+			++j;
+		} else {
+			result.push_back(QString());
+		}
+	}
+	return result;
+}
+
+QString psPrepareCrashDump(const QByteArray &crashdump, QString dumpfile) {
+	QString initial = QString::fromUtf8(crashdump), result;
+	QStringList lines = initial.split('\n');
+	result.reserve(initial.size());
+	int32 i = 0, l = lines.size();
+
+	while (i < l) {
+		uint64 addresses[1024] = { 0 };
+		for (; i < l; ++i) {
+			result.append(lines.at(i)).append('\n');
+			QString line = lines.at(i).trimmed();
+			if (line == qstr("Backtrace:")) {
+				++i;
+				break;
+			}
+		}
+
+		int32 start = i;
+		for (; i < l; ++i) {
+			QString line = lines.at(i).trimmed();
+			if (line.isEmpty()) break;
+
+			QRegularExpressionMatch m1 = QRegularExpression(qsl("^(.+)\\(([^+]+)\\+([^\\)]+)\\)\\[(.+)\\]$")).match(line);
+			QRegularExpressionMatch m2 = QRegularExpression(qsl("^(.+)\\[(.+)\\]$")).match(line);
+			QString addrstr = m1.hasMatch() ? m1.captured(4) : (m2.hasMatch() ? m2.captured(2) : QString());
+			if (!addrstr.isEmpty()) {
+				uint64 addr = addrstr.startsWith(qstr("0x")) ? addrstr.mid(2).toULongLong(0, 16) : addrstr.toULongLong();
+				if (addr > 1) {
+					addresses[i - start] = addr;
+				}
+			}
+		}
+
+		QStringList addr2line = addr2linestr(addresses, i - start);
+		for (i = start; i < l; ++i) {
+			QString line = lines.at(i).trimmed();
+			if (line.isEmpty()) break;
+
+			result.append(qsl("\n%1. ").arg(i - start));
+			if (line.startsWith(qstr("ERROR: "))) {
+				result.append(line).append('\n');
+				continue;
+			}
+			if (line == qstr("[0x1]")) {
+				result.append(qsl("(0x1 separator)\n"));
+				continue;
+			}
+
+			QRegularExpressionMatch m1 = QRegularExpression(qsl("^(.+)\\(([^+]*)\\+([^\\)]+)\\)(.+)$")).match(line);
+			QRegularExpressionMatch m2 = QRegularExpression(qsl("^(.+)\\[(.+)\\]$")).match(line);
+			if (!m1.hasMatch() && !m2.hasMatch()) {
+				result.append(qstr("BAD LINE: ")).append(line).append('\n');
+				continue;
+			}
+
+			if (m1.hasMatch()) {
+				result.append(demanglestr(m1.captured(2))).append(qsl(" + ")).append(m1.captured(3)).append(qsl(" [")).append(m1.captured(1)).append(qsl("] "));
+				if (!addr2line.at(i - start).isEmpty() && addr2line.at(i - start) != qsl("??:0")) {
+					result.append(qsl(" (")).append(addr2line.at(i - start)).append(qsl(")\n"));
+				} else {
+					result.append(m1.captured(4)).append(qsl(" (demangled)")).append('\n');
+				}
+			} else {
+				result.append('[').append(m2.captured(1)).append(']');
+				if (!addr2line.at(i - start).isEmpty() && addr2line.at(i - start) != qsl("??:0")) {
+					result.append(qsl(" (")).append(addr2line.at(i - start)).append(qsl(")\n"));
+				} else {
+					result.append(' ').append(m2.captured(2)).append('\n');
+				}
+			}
+		}
+	}
+	return result;
+}
+
+bool _removeDirectory(const QString &path) { // from http://stackoverflow.com/questions/2256945/removing-a-non-empty-directory-programmatically-in-c-or-c
+	QByteArray pathRaw = QFile::encodeName(path);
+	DIR *d = opendir(pathRaw.constData());
+	if (!d) return false;
+
+	while (struct dirent *p = readdir(d)) {
+		/* Skip the names "." and ".." as we don't want to recurse on them. */
+		if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, "..")) continue;
+
+		QString fname = path + '/' + p->d_name;
+		QByteArray fnameRaw = QFile::encodeName(fname);
+		struct stat statbuf;
+		if (!stat(fnameRaw.constData(), &statbuf)) {
+			if (S_ISDIR(statbuf.st_mode)) {
+				if (!_removeDirectory(fname)) {
+					closedir(d);
+					return false;
+				}
+			} else {
+				if (unlink(fnameRaw.constData())) {
+					closedir(d);
+					return false;
+				}
+			}
+		}
+	}
+	closedir(d);
+
+	return !rmdir(pathRaw.constData());
+}
+
+void psDeleteDir(const QString &dir) {
+	_removeDirectory(dir);
+}
+
+namespace {
+
+auto _lastUserAction = 0LL;
+
+} // namespace
+
+void psActivateProcess(uint64 pid) {
+//	objc_activateProgram();
+}
+
+
+QString psAppDataPath() {
+	return QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation) + '/';
+}
+
+QString psDownloadPath() {
+	return QStandardPaths::writableLocation(QStandardPaths::DownloadLocation) + '/' + str_const_toString(AppName) + '/';
+}
+
+void psDoCleanup() {
+	try {
+		psAutoStart(false, true);
+		psSendToMenu(false, true);
+	} catch (...) {
+	}
+}
+
+int psCleanup() {
+	psDoCleanup();
+	return 0;
+}
+
+void psDoFixPrevious() {
+}
+
+int psFixPrevious() {
+	psDoFixPrevious();
+	return 0;
+}
+
+namespace Platform {
+
+void start() {
+}
+
+void finish() {
+}
+
+bool TranslucentWindowsSupported(QPoint globalPosition) {
+	return false;
+}
+
+bool IsApplicationActive() {
+	return static_cast<QApplication*>(QApplication::instance())->activeWindow() != nullptr;
+}
+
+void SetApplicationIcon(const QIcon &icon) {
+	qApp->setWindowIcon(icon);
+}
+
+void RegisterCustomScheme() {
+}
+
+PermissionStatus GetPermissionStatus(PermissionType type){
+	return PermissionStatus::Granted;
+}
+
+void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCallback){
+	resultCallback(PermissionStatus::Granted);
+}
+
+void OpenSystemSettingsForPermission(PermissionType type){
+}
+
+bool OpenSystemSettings(SystemSettingsType type) {
+	if (type == SystemSettingsType::Audio) {
+		auto options = std::vector<QString>();
+		const auto add = [&](const char *option) {
+			options.emplace_back(option);
+		};
+		add("Media");
+		return ranges::find_if(options, [](const QString &command) {
+			return QProcess::startDetached(command);
+		}) != end(options);
+	}
+	return true;
+}
+
+namespace ThirdParty {
+
+void start() {
+}
+
+void finish() {
+}
+
+} // namespace ThirdParty
+
+} // namespace Platform
+
+namespace {
+
+bool _psRunCommand(const QByteArray &command) {
+	auto result = system(command.constData());
+	if (result) {
+		DEBUG_LOG(("App Error: command failed, code: %1, command (in utf8): %2").arg(result).arg(command.constData()));
+		return false;
+	}
+	DEBUG_LOG(("App Info: command succeeded, command (in utf8): %1").arg(command.constData()));
+	return true;
+}
+
+} // namespace
+
+void psRegisterCustomScheme() {
+}
+
+void psNewVersion() {
+	Platform::RegisterCustomScheme();
+}
+
+bool _execUpdater(bool update = true, const QString &crashreport = QString()) {
+		return false;
+}
+
+void psExecUpdater() {
+}
+
+void psExecTelegram(const QString &crashreport) {
+	_execUpdater(false, crashreport);
+}
+
+bool psShowOpenWithMenu(int x, int y, const QString &file) {
+	return false;
+}
+
+void psAutoStart(bool start, bool silent) {
+}
+
+void psSendToMenu(bool send, bool silent) {
+}
+
+void psUpdateOverlayed(QWidget *widget) {
+}
+
+bool psLaunchMaps(const Data::LocationPoint &point) {
+	return false;
+}
diff --git a/Telegram/SourceFiles/platform/haiku/specific_haiku.h b/Telegram/SourceFiles/platform/haiku/specific_haiku.h
new file mode 100644
index 0000000..3995ab2
--- /dev/null
+++ b/Telegram/SourceFiles/platform/haiku/specific_haiku.h
@@ -0,0 +1,126 @@
+/*
+This file is part of Telegram Desktop for Haiku,
+
+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) 2018 Gerasim Troeglazov, 3dEyes@gmail.com
+*/
+
+#pragma once
+
+#include <signal.h>
+
+namespace Data {
+class LocationPoint;
+} // namespace Data
+
+namespace Platform {
+
+inline void SetWatchingMediaKeys(bool watching) {
+}
+
+inline void StartTranslucentPaint(QPainter &p, QPaintEvent *e) {
+}
+
+inline void InitOnTopPanel(QWidget *panel) {
+}
+
+inline void DeInitOnTopPanel(QWidget *panel) {
+}
+
+inline void ReInitOnTopPanel(QWidget *panel) {
+}
+
+QString CurrentExecutablePath(int argc, char *argv[]);
+
+inline std::optional<crl::time> LastUserInputTime() {
+	return std::nullopt;
+}
+
+inline constexpr bool UseMainQueueGeneric() {
+	return true;
+}
+
+} // namespace Platform
+
+inline QString psServerPrefix() {
+    return qsl("/tmp/");
+}
+inline void psCheckLocalSocket(const QString &serverName) {
+    QFile address(serverName);
+	if (address.exists()) {
+		address.remove();
+	}
+}
+
+void psWriteDump();
+QString psPrepareCrashDump(const QByteArray &crashdump, QString dumpfile);
+
+void psDeleteDir(const QString &dir);
+
+QStringList psInitLogs();
+void psClearInitLogs();
+
+void psActivateProcess(uint64 pid = 0);
+QString psLocalServerPrefix();
+QString psAppDataPath();
+QString psDownloadPath();
+void psAutoStart(bool start, bool silent = false);
+void psSendToMenu(bool send, bool silent = false);
+
+QRect psDesktopRect();
+void psShowOverAll(QWidget *w, bool canFocus = true);
+void psBringToBack(QWidget *w);
+
+int psCleanup();
+int psFixPrevious();
+
+void psExecUpdater();
+void psExecTelegram(const QString &arg = QString());
+
+QAbstractNativeEventFilter *psNativeEventFilter();
+
+void psNewVersion();
+
+void psUpdateOverlayed(QWidget *widget);
+inline QByteArray psDownloadPathBookmark(const QString &path) {
+	return QByteArray();
+}
+inline QByteArray psPathBookmark(const QString &path) {
+	return QByteArray();
+}
+inline void psDownloadPathEnableAccess() {
+}
+
+class PsFileBookmark {
+public:
+	PsFileBookmark(const QByteArray &bookmark) {
+	}
+	bool check() const {
+		return true;
+	}
+	bool enable() const {
+		return true;
+	}
+	void disable() const {
+	}
+	const QString &name(const QString &original) const {
+		return original;
+	}
+	QByteArray bookmark() const {
+		return QByteArray();
+	}
+
+};
+
+//ool linuxMoveFile(const char *from, const char *to);
+
+bool psLaunchMaps(const Data::LocationPoint &point);
diff --git a/Telegram/SourceFiles/platform/linux/info_linux.h b/Telegram/SourceFiles/platform/linux/info_linux.h
index f909003..169e220 100644
--- a/Telegram/SourceFiles/platform/linux/info_linux.h
+++ b/Telegram/SourceFiles/platform/linux/info_linux.h
@@ -31,6 +31,7 @@ inline constexpr bool IsLinux64Bit() {
 #endif // Q_OS_LINUX64
 }
 
+inline constexpr bool IsHaiku() { return false; }
 inline constexpr bool IsWindows() { return false; }
 inline constexpr bool IsWindowsStoreBuild() { return false; }
 inline bool IsWindowsXPOrGreater() { return false; }
diff --git a/Telegram/SourceFiles/platform/mac/info_mac.h b/Telegram/SourceFiles/platform/mac/info_mac.h
index befd1b4..d5eb9a0 100644
--- a/Telegram/SourceFiles/platform/mac/info_mac.h
+++ b/Telegram/SourceFiles/platform/mac/info_mac.h
@@ -31,6 +31,7 @@ inline constexpr bool IsMacStoreBuild() {
 #endif // OS_MAC_STORE
 }
 
+inline constexpr bool IsHaiku() { return false; }
 inline constexpr bool IsWindows() { return false; }
 inline constexpr bool IsWindowsStoreBuild() { return false; }
 inline bool IsWindowsXPOrGreater() { return false; }
diff --git a/Telegram/SourceFiles/platform/platform_audio.h b/Telegram/SourceFiles/platform/platform_audio.h
index 7705b2e..cfc1fc9 100644
--- a/Telegram/SourceFiles/platform/platform_audio.h
+++ b/Telegram/SourceFiles/platform/platform_audio.h
@@ -19,7 +19,7 @@ void DeInit();
 
 // Platform dependent implementations.
 
-#if defined Q_OS_MAC || defined Q_OS_LINUX
+#if defined Q_OS_MAC || defined Q_OS_LINUX || defined(Q_OS_HAIKU)
 namespace Platform {
 namespace Audio {
 
diff --git a/Telegram/SourceFiles/platform/platform_file_utilities.h b/Telegram/SourceFiles/platform/platform_file_utilities.h
index 68b1058..2839790 100644
--- a/Telegram/SourceFiles/platform/platform_file_utilities.h
+++ b/Telegram/SourceFiles/platform/platform_file_utilities.h
@@ -47,6 +47,8 @@ bool Get(
 #include "platform/mac/file_utilities_mac.h"
 #elif defined Q_OS_LINUX // Q_OS_MAC
 #include "platform/linux/file_utilities_linux.h"
+#elif defined Q_OS_HAIKU // Q_OS_LINUX
+#include "platform/haiku/file_utilities_haiku.h"
 #elif defined Q_OS_WINRT || defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
 #include "platform/win/file_utilities_win.h"
 #endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WINRT || Q_OS_WIN
diff --git a/Telegram/SourceFiles/platform/platform_info.h b/Telegram/SourceFiles/platform/platform_info.h
index c8193c5..3457cfb 100644
--- a/Telegram/SourceFiles/platform/platform_info.h
+++ b/Telegram/SourceFiles/platform/platform_info.h
@@ -37,6 +37,8 @@ namespace Platform {
 [[nodiscard]] bool IsMac10_13OrGreater();
 [[nodiscard]] bool IsMac10_14OrGreater();
 
+[[nodiscard]] constexpr bool IsHaiku();
+
 [[nodiscard]] constexpr bool IsLinux();
 [[nodiscard]] constexpr bool IsLinux32Bit();
 [[nodiscard]] constexpr bool IsLinux64Bit();
@@ -47,6 +49,8 @@ namespace Platform {
 #include "platform/mac/info_mac.h"
 #elif defined Q_OS_LINUX // Q_OS_MAC
 #include "platform/linux/info_linux.h"
+#elif defined Q_OS_HAIKU // Q_OS_HAIKU
+#include "platform/haiku/info_haiku.h"
 #elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
 #include "platform/win/info_win.h"
 #endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WIN
diff --git a/Telegram/SourceFiles/platform/platform_launcher.h b/Telegram/SourceFiles/platform/platform_launcher.h
index 27180d0..953b47f 100644
--- a/Telegram/SourceFiles/platform/platform_launcher.h
+++ b/Telegram/SourceFiles/platform/platform_launcher.h
@@ -25,6 +25,8 @@ namespace Platform {
 #include "platform/mac/launcher_mac.h"
 #elif defined Q_OS_LINUX // Q_OS_MAC
 #include "platform/linux/launcher_linux.h"
+#elif defined Q_OS_HAIKU
+#include "platform/haiku/launcher_haiku.h"
 #elif defined Q_OS_WINRT || defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
 #include "platform/win/launcher_win.h"
 #endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WINRT || Q_OS_WIN
diff --git a/Telegram/SourceFiles/platform/platform_main_window.h b/Telegram/SourceFiles/platform/platform_main_window.h
index 33277c9..4e28b24 100644
--- a/Telegram/SourceFiles/platform/platform_main_window.h
+++ b/Telegram/SourceFiles/platform/platform_main_window.h
@@ -21,6 +21,8 @@ class MainWindow;
 #include "platform/mac/main_window_mac.h"
 #elif defined Q_OS_LINUX // Q_OS_MAC
 #include "platform/linux/main_window_linux.h"
-#elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
+#elif defined Q_OS_HAIKU // Q_OS_MAC || Q_OS_LINUX
+#include "platform/haiku/main_window_haiku.h"
+#elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX || Q_OS_HAIKU
 #include "platform/win/main_window_win.h"
 #endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WIN
diff --git a/Telegram/SourceFiles/platform/platform_notifications_manager.h b/Telegram/SourceFiles/platform/platform_notifications_manager.h
index 692f4b4..a40f830 100644
--- a/Telegram/SourceFiles/platform/platform_notifications_manager.h
+++ b/Telegram/SourceFiles/platform/platform_notifications_manager.h
@@ -28,6 +28,8 @@ void FlashBounce();
 #include "platform/mac/notifications_manager_mac.h"
 #elif defined Q_OS_LINUX // Q_OS_MAC
 #include "platform/linux/notifications_manager_linux.h"
+#elif defined Q_OS_HAIKU // Q_OS_LINUX
+#include "platform/haiku/notifications_manager_haiku.h"
 #elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
 #include "platform/win/notifications_manager_win.h"
 #endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WIN
diff --git a/Telegram/SourceFiles/platform/platform_specific.h b/Telegram/SourceFiles/platform/platform_specific.h
index 330ba48..d58b688 100644
--- a/Telegram/SourceFiles/platform/platform_specific.h
+++ b/Telegram/SourceFiles/platform/platform_specific.h
@@ -60,6 +60,8 @@ void finish();
 #include "platform/mac/specific_mac.h"
 #elif defined Q_OS_LINUX // Q_OS_MAC
 #include "platform/linux/specific_linux.h"
-#elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX
+#elif defined Q_OS_HAIKU // Q_OS_MAC || Q_OS_LINUX
+#include "platform/haiku/specific_haiku.h"
+#elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX || Q_OS_HAIKU
 #include "platform/win/specific_win.h"
 #endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WIN
diff --git a/Telegram/SourceFiles/platform/platform_window_title.h b/Telegram/SourceFiles/platform/platform_window_title.h
index 7aed20b..dc0212c 100644
--- a/Telegram/SourceFiles/platform/platform_window_title.h
+++ b/Telegram/SourceFiles/platform/platform_window_title.h
@@ -25,7 +25,7 @@ void PreviewWindowFramePaint(QImage &preview, const style::palette &palette, QRe
 #include "platform/mac/window_title_mac.h"
 #elif defined Q_OS_WIN // Q_OS_MAC
 #include "platform/win/window_title_win.h"
-#elif defined Q_OS_WINRT || defined Q_OS_LINUX // Q_OS_MAC || Q_OS_WIN
+#elif defined Q_OS_WINRT || defined Q_OS_LINUX || defined Q_OS_HAIKU // Q_OS_MAC || Q_OS_WIN
 
 namespace Platform {
 
diff --git a/Telegram/SourceFiles/platform/win/info_win.h b/Telegram/SourceFiles/platform/win/info_win.h
index a399684..c9df450 100644
--- a/Telegram/SourceFiles/platform/win/info_win.h
+++ b/Telegram/SourceFiles/platform/win/info_win.h
@@ -23,6 +23,7 @@ inline constexpr bool IsWindowsStoreBuild() {
 #endif // OS_WIN_STORE
 }
 
+inline constexpr bool IsHaiku() { return false; }
 inline constexpr bool IsMac() { return false; }
 inline constexpr bool IsMacOldBuild() { return false; }
 inline constexpr bool IsMacStoreBuild() { return false; }
diff --git a/Telegram/SourceFiles/rpl/operators_tests.cpp b/Telegram/SourceFiles/rpl/operators_tests.cpp
index 548057f..feee15e 100644
--- a/Telegram/SourceFiles/rpl/operators_tests.cpp
+++ b/Telegram/SourceFiles/rpl/operators_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include <rpl/rpl.h>
 #include <string>
diff --git a/Telegram/SourceFiles/rpl/producer_tests.cpp b/Telegram/SourceFiles/rpl/producer_tests.cpp
index 0267f92..0e783b0 100644
--- a/Telegram/SourceFiles/rpl/producer_tests.cpp
+++ b/Telegram/SourceFiles/rpl/producer_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include <rpl/producer.h>
 #include <rpl/event_stream.h>
diff --git a/Telegram/SourceFiles/rpl/variable_tests.cpp b/Telegram/SourceFiles/rpl/variable_tests.cpp
index 9c697fc..36ddf56 100644
--- a/Telegram/SourceFiles/rpl/variable_tests.cpp
+++ b/Telegram/SourceFiles/rpl/variable_tests.cpp
@@ -5,7 +5,11 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
+#if !defined(Q_OS_HAIKU)
 #include "catch.hpp"
+#else
+#include "../ThirdParty/variant/test/include/catch.hpp"
+#endif
 
 #include <rpl/rpl.h>
 #include <string>
diff --git a/Telegram/SourceFiles/settings/settings_notifications.cpp b/Telegram/SourceFiles/settings/settings_notifications.cpp
index 71ded81..4e5f922 100644
--- a/Telegram/SourceFiles/settings/settings_notifications.cpp
+++ b/Telegram/SourceFiles/settings/settings_notifications.cpp
@@ -621,7 +621,7 @@ void SetupNotificationsContent(
 			return QString();
 		} else if (Platform::IsWindows()) {
 			return tr::lng_settings_use_windows(tr::now);
-		} else if (Platform::IsLinux()) {
+		} else if (Platform::IsLinux() || Platform::IsHaiku()) {
 			return tr::lng_settings_use_native_notifications(tr::now);
 		}
 		return QString();
diff --git a/Telegram/SourceFiles/storage/storage_encrypted_file_tests.cpp b/Telegram/SourceFiles/storage/storage_encrypted_file_tests.cpp
index 4d522a9..1ca7dd0 100644
--- a/Telegram/SourceFiles/storage/storage_encrypted_file_tests.cpp
+++ b/Telegram/SourceFiles/storage/storage_encrypted_file_tests.cpp
@@ -188,6 +188,7 @@ TEST_CASE("two process encrypted file", "[storage_encrypted_file]") {
 				constexpr auto kMaxPath = 1024;
 				char result[kMaxPath] = { 0 };
 				uint32_t size = kMaxPath;
+#ifndef Q_OS_HAIKU
 #ifdef Q_OS_MAC
 				if (_NSGetExecutablePath(result, &size) == 0) {
 					return result;
@@ -198,6 +199,7 @@ TEST_CASE("two process encrypted file", "[storage_encrypted_file]") {
 					return result;
 				}
 #endif // Q_OS_MAC
+#endif // Q_OS_HAIKU
 				return "tests_storage";
 #endif // Q_OS_WIN
 			}();
diff --git a/Telegram/SourceFiles/ui/style/style_core_font.cpp b/Telegram/SourceFiles/ui/style/style_core_font.cpp
index 11655ab..ed6db17 100644
--- a/Telegram/SourceFiles/ui/style/style_core_font.cpp
+++ b/Telegram/SourceFiles/ui/style/style_core_font.cpp
@@ -59,8 +59,8 @@ FontData::FontData(int size, uint32 flags, int family, Font *other)
 	f.setPixelSize(size);
 	if (_flags & FontBold) {
 		f.setBold(true);
-	//} else if (fontFamilies[family] == "Open Sans Semibold") {
-	//	f.setWeight(QFont::DemiBold);
+	} else if (fontFamilies[family] == "Open Sans Semibold") {
+		f.setWeight(QFont::DemiBold);
 	}
 	f.setItalic(_flags & FontItalic);
 	f.setUnderline(_flags & FontUnderline);
diff --git a/Telegram/SourceFiles/ui/style/style_core_font.h b/Telegram/SourceFiles/ui/style/style_core_font.h
index 566a4fe..0864fe7 100644
--- a/Telegram/SourceFiles/ui/style/style_core_font.h
+++ b/Telegram/SourceFiles/ui/style/style_core_font.h
@@ -65,13 +65,13 @@ class FontData {
 public:
 
 	int32 width(const QString &str) const {
-		return m.width(str);
+		return m.horizontalAdvance(str);
 	}
 	int32 width(const QString &str, int32 from, int32 to) const {
 		return width(str.mid(from, to));
 	}
 	int32 width(QChar ch) const {
-		return m.width(ch);
+		return m.horizontalAdvance(ch);
 	}
 	QString elided(const QString &str, int32 width, Qt::TextElideMode mode = Qt::ElideRight) const {
 		return m.elidedText(str, mode, width);
diff --git a/Telegram/SourceFiles/ui/twidget.h b/Telegram/SourceFiles/ui/twidget.h
index 6202dc7..1325c7b 100644
--- a/Telegram/SourceFiles/ui/twidget.h
+++ b/Telegram/SourceFiles/ui/twidget.h
@@ -140,12 +140,12 @@ public:
 
 	void drawTextLeft(int x, int y, int outerw, const QString &text, int textWidth = -1) {
 		QFontMetrics m(fontMetrics());
-		if (rtl() && textWidth < 0) textWidth = m.width(text);
+		if (rtl() && textWidth < 0) textWidth = m.horizontalAdvance(text);
 		drawText(rtl() ? (outerw - x - textWidth) : x, y + m.ascent(), text);
 	}
 	void drawTextRight(int x, int y, int outerw, const QString &text, int textWidth = -1) {
 		QFontMetrics m(fontMetrics());
-		if (!rtl() && textWidth < 0) textWidth = m.width(text);
+		if (!rtl() && textWidth < 0) textWidth = m.horizontalAdvance(text);
 		drawText(rtl() ? x : (outerw - x - textWidth), y + m.ascent(), text);
 	}
 	void drawPixmapLeft(int x, int y, int outerw, const QPixmap &pix, const QRect &from) {
diff --git a/Telegram/ThirdParty/minizip/ioapi.c b/Telegram/ThirdParty/minizip/ioapi.c
index 7f5c191..649255c 100644
--- a/Telegram/ThirdParty/minizip/ioapi.c
+++ b/Telegram/ThirdParty/minizip/ioapi.c
@@ -14,7 +14,7 @@
         #define _CRT_SECURE_NO_WARNINGS
 #endif
 
-#if defined(__APPLE__) || defined(IOAPI_NO_64)
+#if defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__)
 // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
 #define FTELLO_FUNC(stream) ftello(stream)
diff --git a/Telegram/gyp/Telegram.gyp b/Telegram/gyp/Telegram.gyp
index 4aef7c4..79ee2af 100644
--- a/Telegram/gyp/Telegram.gyp
+++ b/Telegram/gyp/Telegram.gyp
@@ -61,6 +61,7 @@
       'telegram_win.gypi',
       'telegram_mac.gypi',
       'telegram_linux.gypi',
+      'telegram_haiku.gypi',
       'openssl.gypi',
       'qt.gypi',
       'qt_moc.gypi',
@@ -98,7 +99,7 @@
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
       '<(emoji_suggestions_loc)',
-      '/usr/include/minizip',
+      '<(submodules_loc)/minizip',
       '<(submodules_loc)/GSL/include',
       '<(submodules_loc)/variant/include',
       '<(submodules_loc)/crl/src',
diff --git a/Telegram/gyp/common.gypi b/Telegram/gyp/common.gypi
index eb90fe2..b12c1d6 100644
--- a/Telegram/gyp/common.gypi
+++ b/Telegram/gyp/common.gypi
@@ -8,6 +8,7 @@
   'includes': [
     'settings_win.gypi',
     'settings_mac.gypi',
+    'settings_haiku.gypi',
     'settings_linux.gypi',
   ],
   'variables': {
@@ -29,6 +30,11 @@
             }, {
               'build_mac': 0,
             }],
+            [ 'build_os == "haiku"', {
+              'build_haiku': 1,
+            }, {
+              'build_haiku': 0,
+            }],
             [ 'build_os == "linux"', {
               'build_linux': 1,
             }, {
@@ -40,11 +46,13 @@
         'build_win%': '<(build_win)',
         'build_mac%': '<(build_mac)',
         'build_linux%': '<(build_linux)',
+        'build_haiku%': '<(build_haiku)',
       },
       'build_os%': '<(build_os)',
       'build_win%': '<(build_win)',
       'build_mac%': '<(build_mac)',
       'build_linux%': '<(build_linux)',
+      'build_haiku%': '<(build_haiku)',
 
       'official_build_target%': '',
     },
@@ -52,6 +60,7 @@
     'build_win%': '<(build_win)',
     'build_mac%': '<(build_mac)',
     'build_linux%': '<(build_linux)',
+    'build_haiku%': '<(build_haiku)',
     'official_build_target%': '<(official_build_target)',
 
     # GYP does not support per-configuration libraries :(
diff --git a/Telegram/gyp/generate.py b/Telegram/gyp/generate.py
index 4194e16..c2fd3c8 100644
--- a/Telegram/gyp/generate.py
+++ b/Telegram/gyp/generate.py
@@ -98,6 +98,11 @@ elif sys.platform == 'darwin':
     gypScript = '../../../Libraries/gyp/gyp'
     gypArguments.append('-Gxcode_upgrade_check_project_version=1030')
     gypFormats.append('xcode')
+elif sys.platform == 'haiku1':
+    gypScript = 'gyp'
+    gypFormats.append('cmake')
+    cmakeConfigurations.append('Debug')
+    cmakeConfigurations.append('Release')
 else:
     gypScript = '../../../Libraries/gyp/gyp'
     gypFormats.append('cmake')
diff --git a/Telegram/gyp/lib_base.gyp b/Telegram/gyp/lib_base.gyp
index 82d42d4..5bf0f18 100644
--- a/Telegram/gyp/lib_base.gyp
+++ b/Telegram/gyp/lib_base.gyp
@@ -36,7 +36,7 @@
     'include_dirs': [
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
-      '<(libs_loc)/range-v3/include',
+      '<(submodules_loc)/range/include',
       '<(submodules_loc)/GSL/include',
       '<(submodules_loc)/variant/include',
       '<(submodules_loc)/crl/src',
diff --git a/Telegram/gyp/lib_export.gyp b/Telegram/gyp/lib_export.gyp
index f73aabd..07c6b35 100644
--- a/Telegram/gyp/lib_export.gyp
+++ b/Telegram/gyp/lib_export.gyp
@@ -46,7 +46,7 @@
     'include_dirs': [
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
-      '<(libs_loc)/range-v3/include',
+      '<(submodules_loc)/range/include',
       '<(submodules_loc)/GSL/include',
       '<(submodules_loc)/variant/include',
       '<(submodules_loc)/crl/src',
diff --git a/Telegram/gyp/lib_lottie.gyp b/Telegram/gyp/lib_lottie.gyp
index 9767651..cc629fc 100644
--- a/Telegram/gyp/lib_lottie.gyp
+++ b/Telegram/gyp/lib_lottie.gyp
@@ -46,7 +46,7 @@
     'include_dirs': [
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
-      '<(libs_loc)/range-v3/include',
+      '<(submodules_loc)/range/include',
       '<(libs_loc)/zlib',
       '<(libs_loc)/ffmpeg',
       '<(rlottie_loc)',
diff --git a/Telegram/gyp/lib_storage.gyp b/Telegram/gyp/lib_storage.gyp
index d72f4b5..e8740b9 100644
--- a/Telegram/gyp/lib_storage.gyp
+++ b/Telegram/gyp/lib_storage.gyp
@@ -41,7 +41,7 @@
     'include_dirs': [
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
-      '<(libs_loc)/range-v3/include',
+      '<(submodules_loc)/range/include',
       '<(submodules_loc)/GSL/include',
       '<(submodules_loc)/variant/include',
       '<(submodules_loc)/crl/src',
diff --git a/Telegram/gyp/list_sources.py b/Telegram/gyp/list_sources.py
index 9efee62..d978ed6 100644
--- a/Telegram/gyp/list_sources.py
+++ b/Telegram/gyp/list_sources.py
@@ -113,6 +113,8 @@ if input_path != '':
             platform_rules[file_path] = [ 'mac' ]
           elif '/platform/linux/' in file_path:
             platform_rules[file_path] = [ 'linux' ]
+          elif '/platform/haiku/' in file_path:
+            platform_rules[file_path] = [ 'haiku' ]
 
 for replace in replaces:
   replace_parts = replace.split('=', 1)
diff --git a/Telegram/gyp/qt.gypi b/Telegram/gyp/qt.gypi
index 3f91776..8f3e531 100644
--- a/Telegram/gyp/qt.gypi
+++ b/Telegram/gyp/qt.gypi
@@ -14,7 +14,7 @@
               [ 'build_macold', {
                 'qt_version%': '5.3.2',
               }, {
-                'qt_version%': '<!(echo /usr/include/qt/QtCore/*/ | grep -Po "\d+\.\d+\.\d+")',
+                'qt_version%': '<!(pkg-config --modversion Qt5Core)',
               }]
             ],
           },
@@ -77,6 +77,15 @@
               'Qt5Core',
             ],
           }],
+          [ 'build_haiku', {
+            'qt_lib_prefix': '',
+            'qt_lib_debug_postfix': '',
+            'qt_lib_release_postfix': '',
+            'qt_libs': [
+              '<@(qt_libs)',
+              'Qt5Core',
+            ],
+          }],
         ],
       },
       'qt_version%': '<(qt_version)',
@@ -152,14 +161,13 @@
   },
 
   'include_dirs': [
-    '/usr/include/qt',
-    '/usr/include/qt/QtCore',
-    '/usr/include/qt/QtGui',
-    '/usr/include/qt/QtDBus',
-    '/usr/include/qt/QtCore/<(qt_version)',
-    '/usr/include/qt/QtGui/<(qt_version)',
-    '/usr/include/qt/QtCore/<(qt_version)/QtCore',
-    '/usr/include/qt/QtGui/<(qt_version)/QtGui',
+    '@HAIKU_HEADERS@',
+    '@HAIKU_HEADERS@/QtCore',
+    '@HAIKU_HEADERS@/QtGui',
+    '@HAIKU_HEADERS@/QtCore/<(qt_version)',
+    '@HAIKU_HEADERS@/QtGui/<(qt_version)',
+    '@HAIKU_HEADERS@/QtCore/<(qt_version)/QtCore',
+    '@HAIKU_HEADERS@/QtGui/<(qt_version)/QtGui',
   ],
   'library_dirs': [
     '<(qt_loc)/lib',
@@ -199,6 +207,24 @@
         '-rdynamic',
       ],
     }],
+    [ 'build_haiku', {
+      'library_dirs': [
+        '<(qt_loc)/plugins/platforminputcontexts',
+      ],
+      'libraries': [
+        '<@(qt_libs_release)',
+        '-lcrypto',
+        '-lgthread-2.0',
+        '-lglib-2.0',
+        '-lroot',
+      ],
+      'include_dirs': [
+        '<(qt_loc)/mkspecs/haiku-g++',
+      ],
+      'ldflags': [
+        '-g',
+      ],
+    }],
     [ 'build_mac', {
       'xcode_settings': {
         'OTHER_LDFLAGS': [
diff --git a/Telegram/gyp/qt_moc.gypi b/Telegram/gyp/qt_moc.gypi
index 75424d4..436e9b5 100644
--- a/Telegram/gyp/qt_moc.gypi
+++ b/Telegram/gyp/qt_moc.gypi
@@ -15,7 +15,7 @@
       '<(SHARED_INTERMEDIATE_DIR)/<(_target_name)/moc/moc_<(RULE_INPUT_ROOT).cpp',
     ],
     'action': [
-      '/usr/bin/moc',
+      'moc',
 
       # Silence "Note: No relevant classes found. No output generated."
       '--no-notes',
diff --git a/Telegram/gyp/qt_rcc.gypi b/Telegram/gyp/qt_rcc.gypi
index 1129a95..fd1e3bd 100644
--- a/Telegram/gyp/qt_rcc.gypi
+++ b/Telegram/gyp/qt_rcc.gypi
@@ -15,7 +15,7 @@
       '<(SHARED_INTERMEDIATE_DIR)/<(_target_name)/qrc/qrc_<(RULE_INPUT_ROOT).cpp',
     ],
     'action': [
-      '/usr/bin/rcc',
+      'rcc',
       '-name', '<(RULE_INPUT_ROOT)',
       '-no-compress',
       '<(RULE_INPUT_PATH)',
diff --git a/Telegram/gyp/settings_haiku.gypi b/Telegram/gyp/settings_haiku.gypi
new file mode 100644
index 0000000..a1fe2c9
--- /dev/null
+++ b/Telegram/gyp/settings_haiku.gypi
@@ -0,0 +1,87 @@
+# This file is part of Telegram Desktop,
+# the official desktop version of Telegram 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.
+#
+# In addition, as a special exception, the copyright holders give permission
+# to link the code of portions of this program with the OpenSSL library.
+#
+# Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+# Copyright (c) 2014 John Preston, https://desktop.telegram.org
+
+{
+  'conditions': [
+    [ 'build_haiku', {
+      'variables': {
+        'haiku_common_flags': [
+          '-pipe',
+          '-Wall',
+          '-W',
+          '-fPIC',
+          '-Wno-unused-variable',
+          '-Wno-unused-parameter',
+          '-Wno-unused-function',
+          '-Wno-switch',
+          '-Wno-comment',
+          '-Wno-unused-but-set-variable',
+          '-Wno-missing-field-initializers',
+          '-Wno-sign-compare',
+        ],
+      },
+      'conditions': [
+        [ '"<!(uname -p)" == "x86_64"', {
+          'defines': [
+            'Q_OS_HAIKU',
+        	'TDESKTOP_DISABLE_CRASH_REPORTS',
+        	'TDESKTOP_DISABLE_AUTOUPDATE',
+        	'TDESKTOP_DISABLE_UNITY_INTEGRATION',
+        	'TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION',
+          ],
+          'conditions': [
+            [ '"<(official_build_target)" != "" and "<(official_build_target)" != "haiku"', {
+              'sources': [ '__Wrong_Official_Build_Target_<(official_build_target)_' ],
+            }],
+          ],
+        }, {
+          'defines': [
+            'Q_OS_HAIKU',
+        	'TDESKTOP_DISABLE_CRASH_REPORTS',
+        	'TDESKTOP_DISABLE_AUTOUPDATE',
+        	'TDESKTOP_DISABLE_UNITY_INTEGRATION',
+        	'TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION',
+          ],
+          'conditions': [
+            [ '"<(official_build_target)" != "" and "<(official_build_target)" != "haiku"', {
+              'sources': [ '__Wrong_Official_Build_Target_<(official_build_target)_' ],
+            }],
+          ],
+        }],
+      ],
+      'defines': [
+        '_REENTRANT',
+        'QT_PLUGIN',
+      ],
+      'cflags_c': [
+        '<@(haiku_common_flags)',
+        '-std=gnu11',
+      ],
+      'cflags_cc': [
+        '<@(haiku_common_flags)',
+        '-std=c++1z',
+        '-Wno-register',
+      ],
+      'configurations': {
+        'Debug': {
+        },
+      },
+    }],
+  ],
+}
diff --git a/Telegram/gyp/telegram_haiku.gypi b/Telegram/gyp/telegram_haiku.gypi
new file mode 100644
index 0000000..7c6f0b5
--- /dev/null
+++ b/Telegram/gyp/telegram_haiku.gypi
@@ -0,0 +1,73 @@
+# This file is part of Telegram Desktop,
+# the official desktop version of Telegram 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.
+#
+# In addition, as a special exception, the copyright holders give permission
+# to link the code of portions of this program with the OpenSSL library.
+#
+# Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+# Copyright (c) 2014 John Preston, https://desktop.telegram.org
+
+{
+  'conditions': [[ 'build_haiku', {
+    'variables': {
+      'haiku_path_include%': '@HAIKU_HEADERS@',
+      'haiku_path_lib%': '@HAIKU_LIBS@',      
+    },
+    'include_dirs': [
+      '<(haiku_path_include)',
+      '<(haiku_path_include)/openssl',
+      '<(haiku_path_include)/libavcodec',
+      '<(haiku_path_include)/AL',
+      '<(haiku_path_include)/breakpad',
+      '<(haiku_path_include)/opus',
+      '../ThirdParty/range/include',
+    ],
+    'library_dirs': [
+      '<(haiku_path_lib)',
+    ],
+    'libraries': [
+      'openal',
+      'avformat',
+      'avcodec',
+      'swresample',
+      'swscale',
+      'avutil',
+      'media',
+      'minizip',
+      'opus',
+      'network',
+      'translation',
+      'be',
+      'lzma',
+      'z',
+#      '<!(pkg-config 2> /dev/null --libs <@(pkgconfig_libs))',
+    ],
+    'configurations': {
+      'Release': {
+        'cflags': [
+          '-Ofast',
+          '-fno-strict-aliasing',
+        ],
+        'cflags_cc': [
+          '-Ofast',
+          '-fno-strict-aliasing',
+        ],
+        'ldflags': [
+          '-Ofast',
+        ],
+      },
+    },
+    'cmake_precompiled_header': '<(src_loc)/stdafx.h',
+    'cmake_precompiled_header_script': 'PrecompiledHeader.cmake',
+  }]],
+}
diff --git a/Telegram/gyp/telegram_qrc.gypi b/Telegram/gyp/telegram_qrc.gypi
index d9147d6..16c9d3f 100644
--- a/Telegram/gyp/telegram_qrc.gypi
+++ b/Telegram/gyp/telegram_qrc.gypi
@@ -25,6 +25,13 @@
         ],
       }
     }],
+    [ 'build_haiku', {
+      'variables': {
+        'qrc_files': [
+          '<(res_loc)/qrc/telegram_haiku.qrc',
+        ],
+      }
+    }],
     [ 'build_mac', {
       'variables': {
         'qrc_files': [
diff --git a/Telegram/gyp/telegram_sources.txt b/Telegram/gyp/telegram_sources.txt
index c247030..b741ff7 100644
--- a/Telegram/gyp/telegram_sources.txt
+++ b/Telegram/gyp/telegram_sources.txt
@@ -615,6 +615,20 @@
 <(src_loc)/platform/linux/notifications_manager_linux.h
 <(src_loc)/platform/linux/specific_linux.cpp
 <(src_loc)/platform/linux/specific_linux.h
+<(src_loc)/platform/haiku/file_utilities_haiku.cpp
+<(src_loc)/platform/haiku/file_utilities_haiku.h
+<(src_loc)/platform/haiku/haiku_desktop_environment.cpp
+<(src_loc)/platform/haiku/haiku_desktop_environment.h
+<(src_loc)/platform/haiku/launcher_haiku.cpp
+<(src_loc)/platform/haiku/launcher_haiku.h
+<(src_loc)/platform/haiku/notifications_manager_haiku.cpp
+<(src_loc)/platform/haiku/notifications_manager_haiku.h
+<(src_loc)/platform/haiku/main_window_haiku.cpp
+<(src_loc)/platform/haiku/main_window_haiku.h
+<(src_loc)/platform/haiku/specific_haiku.cpp
+<(src_loc)/platform/haiku/specific_haiku.h
+<(src_loc)/platform/haiku/info_haiku.cpp
+<(src_loc)/platform/haiku/info_haiku.h
 <(src_loc)/platform/mac/file_utilities_mac.mm
 <(src_loc)/platform/mac/file_utilities_mac.h
 <(src_loc)/platform/mac/info_mac.mm
diff --git a/Telegram/gyp/utils.gyp b/Telegram/gyp/utils.gyp
index bd46332..d85a403 100644
--- a/Telegram/gyp/utils.gyp
+++ b/Telegram/gyp/utils.gyp
@@ -82,6 +82,13 @@
           'lzma',
         ],
       }],
+      [ 'build_haiku', {
+        'libraries': [
+          'ssl',
+          'crypto',
+          'lzma',
+        ],
+      }],
       [ 'build_mac', {
         'include_dirs': [
           '<(libs_loc)/openssl/include'
-- 
2.23.0


From 976c52d85db9e4e41a07cd79a3c3c522bdb1721d Mon Sep 17 00:00:00 2001
From: Gerasim Troeglazov <3dEyes@gmail.com>
Date: Sat, 10 Aug 2019 19:46:28 +1000
Subject: Fix build


diff --git a/Telegram/SourceFiles/qt_functions.cpp b/Telegram/SourceFiles/qt_functions.cpp
index 4a722b8..e987503 100644
--- a/Telegram/SourceFiles/qt_functions.cpp
+++ b/Telegram/SourceFiles/qt_functions.cpp
@@ -31,6 +31,8 @@
 **
 ****************************************************************************/
 
+#include <private/qtextengine_p.h>
+
 /* TODO: find a dynamic library with these symbols. */
 
 /* Debian maintainer: this function is taken from qfiledialog.cpp */
-- 
2.23.0


From aa5f580cd6369eb29bb00780fd5957a732d4c1a8 Mon Sep 17 00:00:00 2001
From: Gerasim Troeglazov <3dEyes@gmail.com>
Date: Sun, 8 Sep 2019 22:27:11 +1000
Subject: Fix path for range-v3 submodule


diff --git a/Telegram/gyp/lib_ffmpeg.gyp b/Telegram/gyp/lib_ffmpeg.gyp
index b9ada53..a9a5fa8 100644
--- a/Telegram/gyp/lib_ffmpeg.gyp
+++ b/Telegram/gyp/lib_ffmpeg.gyp
@@ -37,7 +37,7 @@
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
       '<(libs_loc)/ffmpeg',
-      '<(libs_loc)/range-v3/include',
+      '<(submodules_loc)/range/include',
       '<(submodules_loc)/GSL/include',
       '<(submodules_loc)/variant/include',
       '<(submodules_loc)/crl/src',
diff --git a/Telegram/gyp/lib_mtproto.gyp b/Telegram/gyp/lib_mtproto.gyp
index b592cb7..4a401d9 100644
--- a/Telegram/gyp/lib_mtproto.gyp
+++ b/Telegram/gyp/lib_mtproto.gyp
@@ -47,7 +47,7 @@
     'include_dirs': [
       '<(src_loc)',
       '<(SHARED_INTERMEDIATE_DIR)',
-      '<(libs_loc)/range-v3/include',
+      '<(submodules_loc)/range/include',
       '<(submodules_loc)/GSL/include',
       '<(submodules_loc)/variant/include',
       '<(submodules_loc)/crl/src',
diff --git a/Telegram/gyp/tests/common_test.gypi b/Telegram/gyp/tests/common_test.gypi
index ab9ed3c..e549088 100644
--- a/Telegram/gyp/tests/common_test.gypi
+++ b/Telegram/gyp/tests/common_test.gypi
@@ -15,7 +15,7 @@
     '<(submodules_loc)/variant/include',
     '<(submodules_loc)/Catch/include',
     '<(submodules_loc)/crl/src',
-    '<(libs_loc)/range-v3/include',
+    '<(submodules_loc)/range/include',
   ],
   'sources': [
     '<(src_loc)/base/tests_main.cpp',
-- 
2.23.0


From 669bd6648ab763f34ed1e3763cdb041b9d93c2c7 Mon Sep 17 00:00:00 2001
From: Gerasim Troeglazov <3dEyes@gmail.com>
Date: Sun, 8 Sep 2019 22:28:17 +1000
Subject: Fix for notification api changes


diff --git a/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp
index 9b3a71a..fd96efa 100644
--- a/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp
+++ b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.cpp
@@ -185,27 +185,32 @@ void Manager::clearNotification(PeerId peerId, MsgId msgId) {
 
 Manager::~Manager() = default;
 
-void Manager::doShowNativeNotification(PeerData *peer, MsgId msgId, const QString &title, \
-	const QString &subtitle, const QString &msg, bool hideNameAndPhoto, bool hideReplyButton) {
-	_private->showNotification(peer, msgId, title, subtitle, msg, hideNameAndPhoto, hideReplyButton);
+void Manager::doShowNativeNotification(
+		not_null<PeerData*> peer,
+		MsgId msgId,
+		const QString &title,
+		const QString &subtitle,
+		const QString &msg,
+		bool hideNameAndPhoto,
+		bool hideReplyButton) {
+	_private->showNotification(
+		peer,
+		msgId,
+		title,
+		subtitle,
+		msg,
+		hideNameAndPhoto,
+		hideReplyButton);
 }
 
 void Manager::doClearAllFast() {
 	_private->clearAll();
 }
 
-void Manager::doClearFromHistory(History *history) {
+void Manager::doClearFromHistory(not_null<History*> history) {
 	_private->clearFromHistory(history);
 }
 
-void Manager::onBeforeNotificationActivated(PeerId peerId, MsgId msgId) {
-	_private->beforeNotificationActivated(peerId, msgId);
-}
-
-void Manager::onAfterNotificationActivated(PeerId peerId, MsgId msgId) {
-	_private->afterNotificationActivated(peerId, msgId);
-}
-
 bool Manager::hasActionsSupport() const {
 	return _private->hasActionsSupport();
 }
diff --git a/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h
index 25c8e26..d905787 100644
--- a/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h
+++ b/Telegram/SourceFiles/platform/haiku/notifications_manager_haiku.h
@@ -75,12 +75,16 @@ public:
 	~Manager();
 
 protected:
-	void doShowNativeNotification(PeerData *peer, MsgId msgId, const QString &title, \
-		const QString &subtitle, const QString &msg, bool hideNameAndPhoto, bool hideReplyButton) override;
+	void doShowNativeNotification(
+		not_null<PeerData*> peer,
+		MsgId msgId,
+		const QString &title,
+		const QString &subtitle,
+		const QString &msg,
+		bool hideNameAndPhoto,
+		bool hideReplyButton) override;
 	void doClearAllFast() override;
-	void doClearFromHistory(History *history) override;
-	void onBeforeNotificationActivated(PeerId peerId, MsgId msgId) override;
-	void onAfterNotificationActivated(PeerId peerId, MsgId msgId) override;
+	void doClearFromHistory(not_null<History*> history) override;
 
 	bool hasActionsSupport() const;
 
-- 
2.23.0