Merge branch 'master' into dev

Conflicts: Telegram/SourceFiles/history/history.style
2025-03-23 11:47:57 +00:00 · 2016-07-08 13:26:28 +03:00 · 2016-07-08 13:26:28 +03:00 · 2aa35af909
commit 2aa35af909
parent 8ea47c1811 5c474aee27
63 changed files with 2063 additions and 660 deletions
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@ -4,9 +4,9 @@ Thanks for reporting issues of Telegram Desktop!
 To make it easier for us to help you please enter detailed information below.
 --> 
 ### Steps to reproduce
-1.
-2.
-3.
+1. 
+2. 
+3. 

 ### Expected behaviour
 Tell us what should happen
@ -22,5 +22,5 @@ Tell us what happens instead
 ### Logs
 Insert logs here (if necessary)

-You can type "debugmode" in settings and then see ~/.TelegramDesktop/DebugLogs/log_...txt for log files.
-Type "debugmode" in settings again to disable logs.
+You can type `debugmode` in settings and then see ~/.TelegramDesktop/DebugLogs/log_...txt for log files.
+Type `debugmode` in settings again to disable logs.
--- a/.travis.yml
+++ b/.travis.yml
@ -3,14 +3,24 @@ sudo: required
 language: cpp

 env:
-  - BUILD_VERSION=""
-  - BUILD_VERSION="disable_autoupdate"
-  - BUILD_VERSION="disable_register_custom_scheme"
-  - BUILD_VERSION="disable_crash_reports"
-  - BUILD_VERSION="disable_network_proxy"
-  - BUILD_VERSION="disable_desktop_file_generation"
+  global:
+   # GitHub auth token (GH_AUTH_TOKEN)
+   - secure: "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"
+  matrix:
+   - BUILD_VERSION=""
+   - BUILD_VERSION="disable_autoupdate"
+   - BUILD_VERSION="disable_register_custom_scheme"
+   - BUILD_VERSION="disable_crash_reports"
+   - BUILD_VERSION="disable_network_proxy"
+   - BUILD_VERSION="disable_desktop_file_generation"
+   - BUILD_VERSION="disable_unity_integration"
+
+matrix:
+  fast_finish: true

 arch:
+  repos:
+   - home_ItachiSan_archlinux_Arch_Extra=http://download.opensuse.org/repositories/home:/ItachiSan:/archlinux/Arch_Extra/$arch
  packages:
   - bzr
   - wget
@ -18,7 +28,7 @@ arch:

   - git
   - patch
-   - dee-fixed
+   - home_ItachiSan_archlinux_Arch_Extra/dee # Use fixed dee version (See #2005)
   - libunity
   - libappindicator-gtk2

--- a/.travis/build.sh
+++ b/.travis/build.sh
@ -83,6 +83,10 @@ prepare() {
 		options+="\nDEFINES += TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION"
 	fi

+	if [[ $BUILD_VERSION == *"disable_unity_integration"* ]]; then
+		options+="\nDEFINES += TDESKTOP_DISABLE_UNITY_INTEGRATION"
+	fi
+
 	options+='\nINCLUDEPATH += "/usr/lib/glib-2.0/include"'
 	options+='\nINCLUDEPATH += "/usr/lib/gtk-2.0/include"'
 	options+='\nINCLUDEPATH += "/usr/include/opus"'
@ -104,7 +108,7 @@ build() {
 	cd "$srcdir/Libraries/qt${_qtver}"
 	./configure -prefix "$srcdir/qt" -release -opensource -confirm-license -qt-zlib \
 	            -qt-libpng -qt-libjpeg -qt-freetype -qt-harfbuzz -qt-pcre -qt-xcb \
-	            -qt-xkbcommon-x11 -no-opengl -static -nomake examples -nomake tests
+	            -qt-xkbcommon-x11 -no-opengl -no-gtkstyle -static -nomake examples -nomake tests
 	make --silent -j4
 	make --silent -j4 install

--- a/.travis/check.sh
+++ b/.travis/check.sh
@ -13,6 +13,7 @@ checkCommitMessage() {
 		if [[  $TRAVIS_COMMIT_MSG != *"Signed-off-by: "* ]];then
 			error_msg "The commit message does not contain the signature!"
 			error_msg "More information: https://github.com/telegramdesktop/tdesktop/blob/master/.github/CONTRIBUTING.md#sign-your-work"
+			addMissingSignatureInfos
 			exit 1
 		else
 			success_msg "Commit message contains signature"
@ -20,6 +21,37 @@ checkCommitMessage() {
 	fi
 }

+addMissingSignatureInfos() {
+	if [[ $BUILD_VERSION == "" ]]; then
+		local TEXT="Hi,\n\
+thanks for the pull request!\n\
+\n\
+Please read our [contributing policy](https://github.com/telegramdesktop/tdesktop/blob/master/.github/CONTRIBUTING.md). You'll need to make a pull request with the \\\"Signed-off-by:\\\" signature being the last line of your commit message, like it is described in [sign your work](https://github.com/telegramdesktop/tdesktop/blob/master/.github/CONTRIBUTING.md#sign-your-work) section. That will grant your work into the public domain.\n\
+\n\
+(See [travis build](https://travis-ci.org/telegramdesktop/tdesktop/jobs/${TRAVIS_JOB_ID}))"
+		addCommentToGitHub "${TEXT}"
+		addLabelToGitHub "missing signature"
+		info_msg "Added missing signature info on github"
+	fi
+}
+
+addCommentToGitHub() {
+	local BODY=$1
+	sendGitHubRequest "POST" "{\"body\": \"${BODY}\"}" "repos/${TRAVIS_REPO_SLUG}/issues/${TRAVIS_PULL_REQUEST}/comments"
+}
+
+addLabelToGitHub() {
+	local LABEL=$1
+	sendGitHubRequest "PATCH" "{\"labels\": [\"${LABEL}\"]}" "repos/${TRAVIS_REPO_SLUG}/issues/${TRAVIS_PULL_REQUEST}"
+}
+
+sendGitHubRequest() {
+	local METHOD=$1
+	local BODY=$2
+	local URI=$3
+	curl -H "Authorization: token ${GH_AUTH_TOKEN}" --request "${METHOD}" --data "${BODY}" --silent "https://api.github.com/${URI}" > /dev/null
+}
+
 source ./.travis/common.sh

 run
--- a/Telegram/Resources/basic.style
+++ b/Telegram/Resources/basic.style
@ -123,6 +123,7 @@ defaultBoxButton: RoundButton {
 	padding: margins(0px, 0px, 0px, 0px);

 	textTop: 8px;
+	downTextTop: 9px;

 	font: boxButtonFont;
 	duration: 200;
@ -284,9 +285,9 @@ solidScroll: flatScroll {
 	barOverColor: #3f729734;
 	bgOverColor: #214f751a;

-	round: 0px;
 	minHeight: 20px;

+	round: 2px;
 	deltax: 5px;
 	width: 14px;
 	deltat: 6px;
@ -345,6 +346,7 @@ defaultTooltip: Tooltip {

 almostTransparent: #ffffff0d;
 boxScroll: flatScroll(solidScroll) {
+	round: 3px;
 	width: 18px;
 	deltax: 6px;
 }
@ -647,7 +649,7 @@ scrollDef: flatScroll {
 	barOverColor: rgba(0, 0, 0, 122);
 	bgOverColor: rgba(0, 0, 0, 44);

-	round: 0px;
+	round: 2px;

 	width: 10px;
 	minHeight: 20px;
@ -663,7 +665,9 @@ scrollDef: flatScroll {
 	hiding: 1000;
 }

-msgRadius: 3px;
+msgRadius: 16px;
+dateRadius: 10px;
+buttonRadius: 3px;

 scrollCountries: flatScroll(scrollDef) {
 	topsh: 0px;
@ -732,7 +736,7 @@ btnIntroNext: flatButton(btnDefNext, btnDefBig) {
 	overFont: font(17px);

 	width: 300px;
-	radius: msgRadius;
+	radius: buttonRadius;
 }

 boxShadow: sprite(363px, 50px, 15px, 15px);
@ -999,6 +1003,7 @@ topBarButton: RoundButton {
 	padding: margins(0px, 14px, 12px, 12px);

 	textTop: 6px;
+	downTextTop: 7px;

 	font: font(fsize);
 	duration: 200;
@ -1009,7 +1014,7 @@ defaultActiveButton: RoundButton {
 	secondaryTextFg: #cceeff;
 	secondaryTextFgOver: #cceeff;
 	textBg: windowActiveBg;
-	textBgOver: windowActiveBg;
+	textBgOver: #46b4eb;

 	secondarySkip: 7px;

@ -1018,6 +1023,7 @@ defaultActiveButton: RoundButton {
 	padding: margins(0px, 0px, 0px, 0px);

 	textTop: 8px;
+	downTextTop: 9px;

 	font: semiboldFont;
 	duration: 200;
@ -1486,7 +1492,7 @@ historyScroll: flatScroll(scrollDef) {
 	barOverColor: #89a0b4bc;
 	bgOverColor: #89a0b46b;

-	round: 0px;
+	round: 3px;

 	width: 12px;
 	deltax: 3px;
@ -1829,6 +1835,7 @@ stickersMaxHeight: 440px;
 stickersPadding: margins(19px, 17px, 19px, 17px);
 stickersSize: size(64px, 64px);
 stickersScroll: flatScroll(boxScroll) {
+	round: 2px;
 	deltax: 7px;
 	deltat: 23px;
 	deltab: 9px;
@ -2033,6 +2040,7 @@ switchPmButton: RoundButton(defaultBoxButton) {
 	width: 320px;
 	height: 34px;
 	textTop: 7px;
+	downTextTop: 8px;
 }

 minPhotoSize: 100px;
@ -2224,6 +2232,7 @@ langsButton: Radiobutton(defaultRadiobutton) {
 backgroundPadding: 10px;
 backgroundSize: size(108px, 193px);
 backgroundScroll: flatScroll(boxScroll) {
+	round: 2px;
 	width: 10px;
 	deltax: 3px;
 	deltat: 10px;
@ -2262,6 +2271,7 @@ mentionFgActive: #0080c0;
 mentionFgOverActive: #0077b3;

 sessionsScroll: flatScroll(boxScroll) {
+	round: 2px;
 	deltax: 5px;
 	width: 14px;
 }
--- a/Telegram/Resources/basic_types.style
+++ b/Telegram/Resources/basic_types.style
@ -326,6 +326,7 @@ RoundButton {
 	padding: margins;

 	textTop: pixels;
+	downTextTop: pixels;

 	icon: icon;

--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@ -680,6 +680,7 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 "lng_stickers_add_pack" = "Add stickers";
 "lng_stickers_share_pack" = "Share Stickers";
 "lng_stickers_not_found" = "Sticker pack not found.";
+"lng_stickers_too_many_packs" = "You have too many sticker packs. Please remove some first.";
 "lng_stickers_copied" = "Sticker pack link copied to clipboard.";
 "lng_stickers_default_set" = "Great Minds";
 "lng_stickers_you_have" = "Manage and reorder sticker packs";
--- a/Telegram/SourceFiles/app.cpp
+++ b/Telegram/SourceFiles/app.cpp
@ -103,7 +103,7 @@ namespace {
 	CornersPixmaps corners[RoundCornersCount];
 	typedef QMap<uint32, CornersPixmaps> CornersMap;
 	CornersMap cornersMap;
-	QImage *cornersMask[4] = { 0 };
+	QImage *cornersMaskLarge[4] = { 0 }, *cornersMaskSmall[4] = { 0 };

 	typedef QMap<uint64, QPixmap> EmojiMap;
 	EmojiMap mainEmojiMap;
@ -2065,7 +2065,7 @@ namespace {
 		cors[1] = rect.copy(r * 2, 0, r, r);
 		cors[2] = rect.copy(0, r * 2, r, r + (shadow ? s : 0));
 		cors[3] = rect.copy(r * 2, r * 2, r, r + (shadow ? s : 0));
-		if (index != NoneCorners) {
+		if (index != SmallMaskCorners && index != LargeMaskCorners) {
 			for (int i = 0; i < 4; ++i) {
 				::corners[index].p[i] = new QPixmap(QPixmap::fromImage(cors[i], Qt::ColorOnly));
 				::corners[index].p[i]->setDevicePixelRatio(cRetinaFactor());
@ -2104,33 +2104,38 @@ namespace {
 		}

 		QImage mask[4];
-		prepareCorners(NoneCorners, st::msgRadius, st::white, 0, mask);
+		prepareCorners(LargeMaskCorners, st::msgRadius, st::white, 0, mask);
 		for (int i = 0; i < 4; ++i) {
-			::cornersMask[i] = new QImage(mask[i].convertToFormat(QImage::Format_ARGB32_Premultiplied));
-			::cornersMask[i]->setDevicePixelRatio(cRetinaFactor());
+			::cornersMaskLarge[i] = new QImage(mask[i].convertToFormat(QImage::Format_ARGB32_Premultiplied));
+			::cornersMaskLarge[i]->setDevicePixelRatio(cRetinaFactor());
 		}
-		prepareCorners(BlackCorners, st::msgRadius, st::black);
-		prepareCorners(WhiteCorners, st::msgRadius, st::white);
-		prepareCorners(ServiceCorners, st::msgRadius, st::msgServiceBg);
-		prepareCorners(ServiceSelectedCorners, st::msgRadius, st::msgServiceSelectBg);
-		prepareCorners(SelectedOverlayCorners, st::msgRadius, st::msgSelectOverlay);
-		prepareCorners(DateCorners, st::msgRadius, st::msgDateImgBg);
-		prepareCorners(DateSelectedCorners, st::msgRadius, st::msgDateImgBgSelected);
+		prepareCorners(SmallMaskCorners, st::buttonRadius, st::white, 0, mask);
+		for (int i = 0; i < 4; ++i) {
+			::cornersMaskSmall[i] = new QImage(mask[i].convertToFormat(QImage::Format_ARGB32_Premultiplied));
+			::cornersMaskSmall[i]->setDevicePixelRatio(cRetinaFactor());
+		}
+		prepareCorners(WhiteCorners, st::buttonRadius, st::white);
+		prepareCorners(StickerCorners, st::dateRadius, st::msgServiceBg);
+		prepareCorners(StickerSelectedCorners, st::dateRadius, st::msgServiceSelectBg);
+		prepareCorners(SelectedOverlaySmallCorners, st::buttonRadius, st::msgSelectOverlay);
+		prepareCorners(SelectedOverlayLargeCorners, st::msgRadius, st::msgSelectOverlay);
+		prepareCorners(DateCorners, st::dateRadius, st::msgDateImgBg);
+		prepareCorners(DateSelectedCorners, st::dateRadius, st::msgDateImgBgSelected);
 		prepareCorners(InShadowCorners, st::msgRadius, st::msgInShadow);
 		prepareCorners(InSelectedShadowCorners, st::msgRadius, st::msgInShadowSelected);
 		prepareCorners(ForwardCorners, st::msgRadius, st::forwardBg);
 		prepareCorners(MediaviewSaveCorners, st::msgRadius, st::medviewSaveMsg);
-		prepareCorners(EmojiHoverCorners, st::msgRadius, st::emojiPanHover);
-		prepareCorners(StickerHoverCorners, st::msgRadius, st::emojiPanHover);
-		prepareCorners(BotKeyboardCorners, st::msgRadius, st::botKbBg);
-		prepareCorners(BotKeyboardOverCorners, st::msgRadius, st::botKbOverBg);
-		prepareCorners(BotKeyboardDownCorners, st::msgRadius, st::botKbDownBg);
-		prepareCorners(PhotoSelectOverlayCorners, st::msgRadius, st::overviewPhotoSelectOverlay);
+		prepareCorners(EmojiHoverCorners, st::buttonRadius, st::emojiPanHover);
+		prepareCorners(StickerHoverCorners, st::buttonRadius, st::emojiPanHover);
+		prepareCorners(BotKeyboardCorners, st::buttonRadius, st::botKbBg);
+		prepareCorners(BotKeyboardOverCorners, st::buttonRadius, st::botKbOverBg);
+		prepareCorners(BotKeyboardDownCorners, st::buttonRadius, st::botKbDownBg);
+		prepareCorners(PhotoSelectOverlayCorners, st::buttonRadius, st::overviewPhotoSelectOverlay);

-		prepareCorners(DocBlueCorners, st::msgRadius, st::msgFileBlueColor);
-		prepareCorners(DocGreenCorners, st::msgRadius, st::msgFileGreenColor);
-		prepareCorners(DocRedCorners, st::msgRadius, st::msgFileRedColor);
-		prepareCorners(DocYellowCorners, st::msgRadius, st::msgFileYellowColor);
+		prepareCorners(DocBlueCorners, st::buttonRadius, st::msgFileBlueColor);
+		prepareCorners(DocGreenCorners, st::buttonRadius, st::msgFileGreenColor);
+		prepareCorners(DocRedCorners, st::buttonRadius, st::msgFileRedColor);
+		prepareCorners(DocYellowCorners, st::buttonRadius, st::msgFileYellowColor);

 		prepareCorners(MessageInCorners, st::msgRadius, st::msgInBg, &st::msgInShadow);
 		prepareCorners(MessageInSelectedCorners, st::msgRadius, st::msgInBgSelected, &st::msgInShadowSelected);
@ -2159,9 +2164,10 @@ namespace {
 		::emojiLarge = 0;
 		for (int32 j = 0; j < 4; ++j) {
 			for (int32 i = 0; i < RoundCornersCount; ++i) {
-				delete ::corners[i].p[j]; ::corners[i].p[j] = 0;
+				delete ::corners[i].p[j]; ::corners[i].p[j] = nullptr;
 			}
-			delete ::cornersMask[j]; ::cornersMask[j] = 0;
+			delete ::cornersMaskSmall[j]; ::cornersMaskSmall[j] = nullptr;
+			delete ::cornersMaskLarge[j]; ::cornersMaskLarge[j] = nullptr;
 		}
 		for (CornersMap::const_iterator i = ::cornersMap.cbegin(), e = ::cornersMap.cend(); i != e; ++i) {
 			for (int32 j = 0; j < 4; ++j) {
@ -2555,8 +2561,13 @@ namespace {
 #endif
 	}

-	QImage **cornersMask() {
-		return ::cornersMask;
+	QImage **cornersMask(ImageRoundRadius radius) {
+		switch (radius) {
+		case ImageRoundRadius::Large: return ::cornersMaskLarge;
+		case ImageRoundRadius::Small:
+		default: break;
+		}
+		return ::cornersMaskSmall;
 	}
 	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, const style::color &bg, const CornersPixmaps &c, const style::color *sh) {
 		int32 cw = c.p[0]->width() / cIntRetinaFactor(), ch = c.p[0]->height() / cIntRetinaFactor();
@ -2589,12 +2600,15 @@ namespace {
 		p.drawPixmap(x + w - cw, y + h - ch + st::msgShadow, *c.p[3]);
 	}

-	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, const style::color &bg) {
+	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, const style::color &bg, ImageRoundRadius radius) {
 		uint32 colorKey = ((uint32(bg->c.alpha()) & 0xFF) << 24) | ((uint32(bg->c.red()) & 0xFF) << 16) | ((uint32(bg->c.green()) & 0xFF) << 8) | ((uint32(bg->c.blue()) & 0xFF) << 24);
 		CornersMap::const_iterator i = cornersMap.find(colorKey);
 		if (i == cornersMap.cend()) {
 			QImage images[4];
-			prepareCorners(NoneCorners, st::msgRadius, bg, 0, images);
+			switch (radius) {
+			case ImageRoundRadius::Small: prepareCorners(SmallMaskCorners, st::buttonRadius, bg, 0, images); break;
+			case ImageRoundRadius::Large: prepareCorners(LargeMaskCorners, st::msgRadius, bg, 0, images); break;
+			}

 			CornersPixmaps pixmaps;
 			for (int j = 0; j < 4; ++j) {
@ -2757,8 +2771,8 @@ namespace {
 		uchar bsel = snap(qRound(((1. - alphaSel) * b + addSel) / alphaSel), 0, 0xFF);
 		_msgServiceSelectBg = style::color(r, g, b, qRound(alphaSel * 0xFF));

-		prepareCorners(ServiceCorners, st::msgRadius, _msgServiceBg);
-		prepareCorners(ServiceSelectedCorners, st::msgRadius, _msgServiceSelectBg);
+		prepareCorners(StickerCorners, st::dateRadius, _msgServiceBg);
+		prepareCorners(StickerSelectedCorners, st::dateRadius, _msgServiceSelectBg);

 		uchar rScroll = uchar(componentsScroll[0]), gScroll = uchar(componentsScroll[1]), bScroll = uchar(componentsScroll[2]);
 		_historyScrollBarColor = style::color(rScroll, gScroll, bScroll, qRound(st::historyScroll.barColor->c.alphaF() * 0xFF));
--- a/Telegram/SourceFiles/app.h
+++ b/Telegram/SourceFiles/app.h
@ -27,8 +27,6 @@ class MainWindow;
 class MainWidget;
 class SettingsWidget;
 class ApiWrap;
-class Font;
-class Color;
 class FileUploader;

 #include "history.h"
@ -271,7 +269,7 @@ namespace App {
 #endif
 	void setProxySettings(QTcpSocket &socket);

-	QImage **cornersMask();
+	QImage **cornersMask(ImageRoundRadius radius);
 	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, const style::color &bg, RoundCorners index, const style::color *sh = 0);
 	inline void roundRect(Painter &p, const QRect &rect, const style::color &bg, RoundCorners index, const style::color *sh = 0) {
 		return roundRect(p, rect.x(), rect.y(), rect.width(), rect.height(), bg, index, sh);
@ -280,9 +278,9 @@ namespace App {
 	inline void roundShadow(Painter &p, const QRect &rect, const style::color &sh, RoundCorners index) {
 		return roundShadow(p, rect.x(), rect.y(), rect.width(), rect.height(), sh, index);
 	}
-	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, const style::color &bg);
-	inline void roundRect(Painter &p, const QRect &rect, const style::color &bg) {
-		return roundRect(p, rect.x(), rect.y(), rect.width(), rect.height(), bg);
+	void roundRect(Painter &p, int32 x, int32 y, int32 w, int32 h, const style::color &bg, ImageRoundRadius radius);
+	inline void roundRect(Painter &p, const QRect &rect, const style::color &bg, ImageRoundRadius radius) {
+		return roundRect(p, rect.x(), rect.y(), rect.width(), rect.height(), bg, radius);
 	}

 	void initBackground(int32 id = DefaultChatBackground, const QImage &p = QImage(), bool nowrite = false);
--- a/Telegram/SourceFiles/application.cpp
+++ b/Telegram/SourceFiles/application.cpp
@ -1045,8 +1045,12 @@ void AppClass::checkMapVersion() {
    if (Local::oldMapVersion() < AppVersion) {
 		if (Local::oldMapVersion()) {
 			QString versionFeatures;
-			if ((cAlphaVersion() || cBetaVersion()) && Local::oldMapVersion() < 9055) {
-				versionFeatures = QString::fromUtf8("\xe2\x80\x94 Main window position and size are saved between the launches in Windows\n\xe2\x80\x94 Dock and top bar hiding fixed in OS X\n\xe2\x80\x94 Various design improvements and other bug fixes");
+			if ((cAlphaVersion() || cBetaVersion()) && Local::oldMapVersion() < 9057) {
+#if defined Q_OS_LINUX32 || defined Q_OS_LINUX64
+				versionFeatures = QString::fromUtf8("\xe2\x80\x94 Design improvements\n\xe2\x80\x94 Linux : trying to use GTK file chooser when it is available");
+#else // Q_OS_LINUX32 || Q_OS_LINUX64
+				versionFeatures = QString::fromUtf8("\xe2\x80\x94 Design improvements");
+#endif // Q_OS_LINUX32 || Q_OS_LINUX64
 //				versionFeatures = langNewVersionText();
 			} else if (Local::oldMapVersion() < 9056) {
 				versionFeatures = langNewVersionText();
--- a/Telegram/SourceFiles/boxes/photosendbox.cpp
+++ b/Telegram/SourceFiles/boxes/photosendbox.cpp
@ -123,7 +123,7 @@ PhotoSendBox::PhotoSendBox(const FileLoadResultPtr &file) : AbstractBox(st::boxW
 			} else {
 				_thumbw = st::msgFileThumbSize;
 			}
-			_thumb = imagePix(_thumb.toImage(), _thumbw * cIntRetinaFactor(), 0, ImagePixSmooth | ImagePixRounded, st::msgFileThumbSize, st::msgFileThumbSize);
+			_thumb = imagePix(_thumb.toImage(), _thumbw * cIntRetinaFactor(), 0, ImagePixSmooth | ImagePixRoundedSmall, st::msgFileThumbSize, st::msgFileThumbSize);
 		}

 		_name.setText(st::semiboldFont, _file->filename, _textNameOptions);
@ -427,7 +427,7 @@ EditCaptionBox::EditCaptionBox(HistoryItem *msg) : AbstractBox(st::boxWideWidth)
 			} else {
 				_thumbw = st::msgFileThumbSize;
 			}
-			_thumb = imagePix(image->pix().toImage(), _thumbw * cIntRetinaFactor(), 0, ImagePixSmooth | ImagePixRounded, st::msgFileThumbSize, st::msgFileThumbSize);
+			_thumb = imagePix(image->pix().toImage(), _thumbw * cIntRetinaFactor(), 0, ImagePixSmooth | ImagePixRoundedSmall, st::msgFileThumbSize, st::msgFileThumbSize);
 		}

 		if (doc) {
@ -462,7 +462,7 @@ EditCaptionBox::EditCaptionBox(HistoryItem *msg) : AbstractBox(st::boxWideWidth)
 		} else {
 			maxW = dimensions.width();
 			maxH = dimensions.height();
-			_thumb = image->pixNoCache(maxW * cIntRetinaFactor(), maxH * cIntRetinaFactor(), ImagePixSmooth | ImagePixRounded, maxW, maxH);
+			_thumb = image->pixNoCache(maxW * cIntRetinaFactor(), maxH * cIntRetinaFactor(), ImagePixSmooth, maxW, maxH);
 		}
 		int32 tw = _thumb.width(), th = _thumb.height();
 		if (!tw || !th) {
--- a/Telegram/SourceFiles/boxes/stickersetbox.cpp
+++ b/Telegram/SourceFiles/boxes/stickersetbox.cpp
@ -158,7 +158,11 @@ void StickerSetInner::installDone(const MTPBool &result) {
 bool StickerSetInner::installFailed(const RPCError &error) {
 	if (MTP::isDefaultHandledError(error)) return false;

-	Ui::showLayer(new InformBox(lang(lng_stickers_not_found)));
+	if (error.type() == qstr("STICKERSETS_TOO_MUCH")) {
+		Ui::showLayer(new InformBox(lang(lng_stickers_too_many_packs)));
+	} else {
+		Ui::showLayer(new InformBox(lang(lng_stickers_not_found)));
+	}

 	return true;
 }
@ -233,7 +237,7 @@ void StickerSetInner::paintEvent(QPaintEvent *e) {
 				}
 			}

-			float64 coef = qMin((st::stickersSize.width() - st::msgRadius * 2) / float64(doc->dimensions.width()), (st::stickersSize.height() - st::msgRadius * 2) / float64(doc->dimensions.height()));
+			float64 coef = qMin((st::stickersSize.width() - st::buttonRadius * 2) / float64(doc->dimensions.width()), (st::stickersSize.height() - st::buttonRadius * 2) / float64(doc->dimensions.height()));
 			if (coef > 1) coef = 1;
 			int32 w = qRound(coef * doc->dimensions.width()), h = qRound(coef * doc->dimensions.height());
 			if (w < 1) w = 1;
--- a/Telegram/SourceFiles/core/basic_types.h
+++ b/Telegram/SourceFiles/core/basic_types.h
@ -777,7 +777,7 @@ inline QString strMakeFromLetters(const uint32 *letters, int32 len) {
 	QString result;
 	result.reserve(len);
 	for (int32 i = 0; i < len; ++i) {
-		result.push_back(QChar((((letters[i] << 16) & 0xFF) >> 8) | (letters[i] & 0xFF)));
+		result.push_back(QChar((((letters[i] >> 16) & 0xFF) << 8) | (letters[i] & 0xFF)));
 	}
 	return result;
 }
--- a/Telegram/SourceFiles/dialogs/dialogs.style
+++ b/Telegram/SourceFiles/dialogs/dialogs.style
@ -84,6 +84,10 @@ dialogsTextStyleActive: textStyle(dialogsTextStyle) {
 	linkFg: dialogsTextFgActive;
 	linkFgDown: dialogsTextFgActive;
 }
+dialogsTextStyleDraftActive: textStyle(dialogsTextStyle) {
+	linkFg: #ffd6d6;
+	linkFgDown: #ffd6d6;
+}

 dialogsNewChatIcon: icon {
 	{ "dialogs_new_chat", #b7b7b7, point(9px, 10px) }
@ -93,6 +97,9 @@ dialogsNewChatButton: RoundButton {
 	height: 36px;
 	icon: dialogsNewChatIcon;

+	textTop: 5px;
+	downTextTop: 6px;
+
 	textFg: transparent;
 	textFgOver: transparent;
 	secondaryTextFg: transparent;
--- a/Telegram/SourceFiles/dialogs/dialogs_layout.cpp
+++ b/Telegram/SourceFiles/dialogs/dialogs_layout.cpp
@ -92,7 +92,7 @@ void paintRow(Painter &p, History *history, HistoryItem *item, Data::Draft *draf
 				auto draftText = lng_dialogs_text_with_from(lt_from_part, draftWrapped, lt_message, textClean(draft->textWithTags.text));
 				history->cloudDraftTextCache.setText(st::dialogsTextFont, draftText, _textDlgOptions);
 			}
-			textstyleSet(&(active ? st::dialogsTextStyleActive : st::dialogsTextStyleDraft));
+			textstyleSet(&(active ? st::dialogsTextStyleDraftActive : st::dialogsTextStyleDraft));
 			p.setFont(st::dialogsTextFont);
 			p.setPen(active ? st::dialogsTextFgActive : st::dialogsTextFg);
 			history->cloudDraftTextCache.drawElided(p, nameleft, texttop, namewidth, 1);
--- a/Telegram/SourceFiles/dropdown.cpp
+++ b/Telegram/SourceFiles/dropdown.cpp
@ -949,9 +949,9 @@ void EmojiPanInner::onShowPicker() {
 			int32 size = (c == tab) ? (sel - (sel % EmojiPanPerRow)) : _counts[c], rows = (size / EmojiPanPerRow) + ((size % EmojiPanPerRow) ? 1 : 0);
 			y += st::emojiPanHeader + (rows * st::emojiPanSize.height());
 		}
-		y -= _picker.height() - st::msgRadius + _top;
+		y -= _picker.height() - st::buttonRadius + _top;
 		if (y < 0) {
-			y += _picker.height() - st::msgRadius + st::emojiPanSize.height() - st::msgRadius;
+			y += _picker.height() - st::buttonRadius + st::emojiPanSize.height() - st::buttonRadius;
 		}
 		int xmax = width() - _picker.width();
 		float64 coef = float64(sel % EmojiPanPerRow) / float64(EmojiPanPerRow - 1);
@ -1407,7 +1407,7 @@ void StickerPanInner::paintStickers(Painter &p, const QRect &r) {
 					sticker->checkSticker();
 				}

-				float64 coef = qMin((st::stickerPanSize.width() - st::msgRadius * 2) / float64(sticker->dimensions.width()), (st::stickerPanSize.height() - st::msgRadius * 2) / float64(sticker->dimensions.height()));
+				float64 coef = qMin((st::stickerPanSize.width() - st::buttonRadius * 2) / float64(sticker->dimensions.width()), (st::stickerPanSize.height() - st::buttonRadius * 2) / float64(sticker->dimensions.height()));
 				if (coef > 1) coef = 1;
 				int32 w = qRound(coef * sticker->dimensions.width()), h = qRound(coef * sticker->dimensions.height());
 				if (w < 1) w = 1;
--- a/Telegram/SourceFiles/facades.cpp
+++ b/Telegram/SourceFiles/facades.cpp
@ -536,6 +536,8 @@ struct Data {
 	Dialogs::Mode DialogsMode = Dialogs::Mode::All;
 	bool ModerateModeEnabled = false;

+	bool ScreenIsLocked = false;
+
 	int32 DebugLoggingFlags = 0;

 	// config
@ -605,6 +607,8 @@ DefineVar(Global, bool, DialogsModeEnabled);
 DefineVar(Global, Dialogs::Mode, DialogsMode);
 DefineVar(Global, bool, ModerateModeEnabled);

+DefineVar(Global, bool, ScreenIsLocked);
+
 DefineVar(Global, int32, DebugLoggingFlags);

 // config
--- a/Telegram/SourceFiles/facades.h
+++ b/Telegram/SourceFiles/facades.h
@ -232,6 +232,8 @@ DeclareVar(bool, DialogsModeEnabled);
 DeclareVar(Dialogs::Mode, DialogsMode);
 DeclareVar(bool, ModerateModeEnabled);

+DeclareVar(bool, ScreenIsLocked);
+
 DeclareVar(int32, DebugLoggingFlags);

 // config
--- a/Telegram/SourceFiles/history.cpp
+++ b/Telegram/SourceFiles/history.cpp
@ -3409,14 +3409,14 @@ void HistoryPhoto::draw(Painter &p, const QRect &r, TextSelection selection, uin

 	QPixmap pix;
 	if (loaded) {
-		pix = _data->full->pixSingle(_pixw, _pixh, width, height);
+		pix = _data->full->pixSingle(ImageRoundRadius::Large, _pixw, _pixh, width, height);
 	} else {
-		pix = _data->thumb->pixBlurredSingle(_pixw, _pixh, width, height);
+		pix = _data->thumb->pixBlurredSingle(ImageRoundRadius::Large, _pixw, _pixh, width, height);
 	}
 	QRect rthumb(rtlrect(skipx, skipy, width, height, _width));
 	p.drawPixmap(rthumb.topLeft(), pix);
 	if (selected) {
-		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
 	}

 	if (notChild && (radial || (!loaded && !_data->loading()))) {
@ -3738,9 +3738,9 @@ void HistoryVideo::draw(Painter &p, const QRect &r, TextSelection selection, uin
 	}

 	QRect rthumb(rtlrect(skipx, skipy, width, height, _width));
-	p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(_thumbw, 0, width, height));
+	p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(ImageRoundRadius::Large, _thumbw, 0, width, height));
 	if (selected) {
-		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
 	}

 	QRect inner(rthumb.x() + (rthumb.width() - st::msgFileSize) / 2, rthumb.y() + (rthumb.height() - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
@ -4076,10 +4076,10 @@ void HistoryDocument::draw(Painter &p, const QRect &r, TextSelection selection,
 		bottom = st::msgFileThumbPadding.top() + st::msgFileThumbSize + st::msgFileThumbPadding.bottom();

 		QRect rthumb(rtlrect(st::msgFileThumbPadding.left(), st::msgFileThumbPadding.top(), st::msgFileThumbSize, st::msgFileThumbSize, _width));
-		QPixmap thumb = loaded ? _data->thumb->pixSingle(thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize) : _data->thumb->pixBlurredSingle(thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize);
+		QPixmap thumb = loaded ? _data->thumb->pixSingle(ImageRoundRadius::Small, thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize) : _data->thumb->pixBlurredSingle(ImageRoundRadius::Small, thumbed->_thumbw, 0, st::msgFileThumbSize, st::msgFileThumbSize);
 		p.drawPixmap(rthumb.topLeft(), thumb);
 		if (selected) {
-			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlaySmallCorners);
 		}

 		if (radial || (!loaded && !_data->loading())) {
@ -4697,10 +4697,10 @@ void HistoryGif::draw(Painter &p, const QRect &r, TextSelection selection, uint6
 	if (animating) {
 		p.drawPixmap(rthumb.topLeft(), _gif->current(_thumbw, _thumbh, width, height, (Ui::isLayerShown() || Ui::isMediaViewShown() || Ui::isInlineItemBeingChosen()) ? 0 : ms));
 	} else {
-		p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(_thumbw, _thumbh, width, height));
+		p.drawPixmap(rthumb.topLeft(), _data->thumb->pixBlurredSingle(ImageRoundRadius::Large, _thumbw, _thumbh, width, height));
 	}
 	if (selected) {
-		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+		App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
 	}

 	if (radial || (!_gif && ((!loaded && !_data->loading()) || !cAutoPlayGif())) || (_gif == BadClipReader)) {
@ -5045,7 +5045,7 @@ void HistorySticker::draw(Painter &p, const QRect &r, TextSelection selection, u
 			// Make the bottom of the rect at the same level as the bottom of the info rect.
 			recty -= st::msgDateImgDelta;

-			App::roundRect(p, rectx, recty, rectw, recth, selected ? App::msgServiceSelectBg() : App::msgServiceBg(), selected ? ServiceSelectedCorners : ServiceCorners);
+			App::roundRect(p, rectx, recty, rectw, recth, selected ? App::msgServiceSelectBg() : App::msgServiceBg(), selected ? StickerSelectedCorners : StickerCorners);
 			rectx += st::msgReplyPadding.left();
 			rectw -= st::msgReplyPadding.left() + st::msgReplyPadding.right();
 			if (via) {
@ -5274,7 +5274,7 @@ void HistoryContact::draw(Painter &p, const QRect &r, TextSelection selection, u
 			p.drawPixmap(rthumb.topLeft(), userDefPhoto(qAbs(_userId) % UserColorsCount)->pixCircled(st::msgFileThumbSize, st::msgFileThumbSize));
 		}
 		if (selected) {
-			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+			App::roundRect(p, rthumb, textstyleCurrent()->selectOverlay, SelectedOverlaySmallCorners);
 		}

 		bool over = ClickHandler::showAsActive(_linkl);
@ -5666,13 +5666,13 @@ void HistoryWebPage::draw(Painter &p, const QRect &r, TextSelection selection, u
 			pixw = qRound(pixw * coef);
 		}
 		if (full) {
-			pix = _data->photo->medium->pixSingle(pixw, pixh, pw, ph);
+			pix = _data->photo->medium->pixSingle(ImageRoundRadius::Small, pixw, pixh, pw, ph);
 		} else {
-			pix = _data->photo->thumb->pixBlurredSingle(pixw, pixh, pw, ph);
+			pix = _data->photo->thumb->pixBlurredSingle(ImageRoundRadius::Small, pixw, pixh, pw, ph);
 		}
 		p.drawPixmapLeft(lshift + width - pw, 0, _width, pix);
 		if (selected) {
-			App::roundRect(p, rtlrect(lshift + width - pw, 0, pw, _pixh, _width), textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+			App::roundRect(p, rtlrect(lshift + width - pw, 0, pw, _pixh, _width), textstyleCurrent()->selectOverlay, SelectedOverlaySmallCorners);
 		}
 		width -= pw + st::webPagePhotoDelta;
 	}
@ -6196,20 +6196,20 @@ void HistoryLocation::draw(Painter &p, const QRect &r, TextSelection selection,
 		int32 w = _data->thumb->width(), h = _data->thumb->height();
 		QPixmap pix;
 		if (width * h == height * w || (w == fullWidth() && h == fullHeight())) {
-			pix = _data->thumb->pixSingle(width, height, width, height);
+			pix = _data->thumb->pixSingle(ImageRoundRadius::Large, width, height, width, height);
 		} else if (width * h > height * w) {
 			int32 nw = height * w / h;
-			pix = _data->thumb->pixSingle(nw, height, width, height);
+			pix = _data->thumb->pixSingle(ImageRoundRadius::Large, nw, height, width, height);
 		} else {
 			int32 nh = width * h / w;
-			pix = _data->thumb->pixSingle(width, nh, width, height);
+			pix = _data->thumb->pixSingle(ImageRoundRadius::Large, width, nh, width, height);
 		}
 		p.drawPixmap(QPoint(skipx, skipy), pix);
 	} else {
 		App::roundRect(p, skipx, skipy, width, height, st::white, MessageInCorners);
 	}
 	if (selected) {
-		App::roundRect(p, skipx, skipy, width, height, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+		App::roundRect(p, skipx, skipy, width, height, textstyleCurrent()->selectOverlay, SelectedOverlayLargeCorners);
 	}

 	if (_parent->getMedia() == this) {
@ -6513,9 +6513,9 @@ void HistoryMessageReply::paint(Painter &p, const HistoryItem *holder, int x, in
 				ImagePtr replyPreview = replyToMsg->getMedia()->replyPreview();
 				if (!replyPreview->isNull()) {
 					QRect to(rtlrect(x + st::msgReplyBarSkip, y + st::msgReplyPadding.top() + st::msgReplyBarPos.y(), st::msgReplyBarSize.height(), st::msgReplyBarSize.height(), w + 2 * x));
-					p.drawPixmap(to.x(), to.y(), replyPreview->pixSingle(replyPreview->width() / cIntRetinaFactor(), replyPreview->height() / cIntRetinaFactor(), to.width(), to.height()));
+					p.drawPixmap(to.x(), to.y(), replyPreview->pixSingle(ImageRoundRadius::Small, replyPreview->width() / cIntRetinaFactor(), replyPreview->height() / cIntRetinaFactor(), to.width(), to.height()));
 					if (selected) {
-						App::roundRect(p, to, textstyleCurrent()->selectOverlay, SelectedOverlayCorners);
+						App::roundRect(p, to, textstyleCurrent()->selectOverlay, SelectedOverlaySmallCorners);
 					}
 				}
 			}
@ -6563,7 +6563,7 @@ void HistoryMessage::KeyboardStyle::repaint(const HistoryItem *item) const {
 }

 void HistoryMessage::KeyboardStyle::paintButtonBg(Painter &p, const QRect &rect, bool down, float64 howMuchOver) const {
-	App::roundRect(p, rect, App::msgServiceBg(), ServiceCorners);
+	App::roundRect(p, rect, App::msgServiceBg(), StickerCorners);
 	if (down) {
 		howMuchOver = 1.;
 	}
@ -7291,7 +7291,7 @@ void HistoryMessage::drawInfo(Painter &p, int32 right, int32 bottom, int32 width
 		App::roundRect(p, dateX - st::msgDateImgPadding.x(), dateY - st::msgDateImgPadding.y(), dateW, dateH, selected ? st::msgDateImgBgSelected : st::msgDateImgBg, selected ? DateSelectedCorners : DateCorners);
 	} else if (type == InfoDisplayOverBackground) {
 		int32 dateW = infoW + 2 * st::msgDateImgPadding.x(), dateH = st::msgDateFont->height + 2 * st::msgDateImgPadding.y();
-		App::roundRect(p, dateX - st::msgDateImgPadding.x(), dateY - st::msgDateImgPadding.y(), dateW, dateH, selected ? App::msgServiceSelectBg() : App::msgServiceBg(), selected ? ServiceSelectedCorners : ServiceCorners);
+		App::roundRect(p, dateX - st::msgDateImgPadding.x(), dateY - st::msgDateImgPadding.y(), dateW, dateH, selected ? App::msgServiceSelectBg() : App::msgServiceBg(), selected ? StickerSelectedCorners : StickerCorners);
 	}
 	dateX += HistoryMessage::timeLeft();

--- a/Telegram/SourceFiles/history/field_autocomplete.cpp
+++ b/Telegram/SourceFiles/history/field_autocomplete.cpp
@ -104,7 +104,7 @@ void FieldAutocomplete::showFiltered(PeerData *peer, QString query, bool addInli
 	bool resetScroll = (_type != type || _filter != plainQuery);
 	if (resetScroll) {
 		_type = type;
-		_filter = plainQuery.toString();
+		_filter = textAccentFold(plainQuery.toString());
 	}
 	_addInlineBots = addInlineBots;

@ -259,7 +259,9 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 		auto &recent(cRecentWriteHashtags());
 		hrows.reserve(recent.size());
 		for (auto i = recent.cbegin(), e = recent.cend(); i != e; ++i) {
-			if (!listAllSuggestions && (!i->first.startsWith(_filter, Qt::CaseInsensitive) || i->first.size() == _filter.size())) continue;
+			if (!listAllSuggestions && (!i->first.startsWith(_filter, Qt::CaseInsensitive) || i->first.size() == _filter.size())) {
+				continue;
+			}
 			hrows.push_back(i->first);
 		}
 	} else if (_type == Type::BotCommands) {
@ -578,7 +580,7 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					sticker->checkSticker();
 				}

-				float64 coef = qMin((st::stickerPanSize.width() - st::msgRadius * 2) / float64(sticker->dimensions.width()), (st::stickerPanSize.height() - st::msgRadius * 2) / float64(sticker->dimensions.height()));
+				float64 coef = qMin((st::stickerPanSize.width() - st::buttonRadius * 2) / float64(sticker->dimensions.width()), (st::stickerPanSize.height() - st::buttonRadius * 2) / float64(sticker->dimensions.height()));
 				if (coef > 1) coef = 1;
 				int32 w = qRound(coef * sticker->dimensions.width()), h = qRound(coef * sticker->dimensions.height());
 				if (w < 1) w = 1;
--- a/Telegram/SourceFiles/history/history.style
+++ b/Telegram/SourceFiles/history/history.style
@ -35,6 +35,7 @@ historyToDownBadgeSize: 22px;
 membersInnerScroll: flatScroll(solidScroll) {
 	deltat: 3px;
 	deltab: 3px;
+	round: 1px;
 	width: 8px;
 	deltax: 3px;
 }
@ -44,3 +45,7 @@ membersInnerDropdown: InnerDropdown(defaultInnerDropdown) {
 	scrollMargin: margins(0px, 5px, 0px, 5px);
 	scrollPadding: margins(0px, 3px, 8px, 3px);
 }
+
+historyServiceMsgRadius: 12px;
+historyServiceMsgInvertedRadius: 6px;
+historyServiceMsgInvertedShrink: 4px;
--- a/Telegram/SourceFiles/history/history_service_layout.cpp
+++ b/Telegram/SourceFiles/history/history_service_layout.cpp
@ -22,6 +22,7 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #include "history/history_service_layout.h"

 #include "data/data_abstract_structure.h"
+#include "styles/style_history.h"
 #include "mainwidget.h"
 #include "lang.h"

@ -58,14 +59,17 @@ void createCircleMasks() {
 	serviceMessageStyle.createIfNull();
 	if (!serviceMessageStyle->circle[NormalMask].isNull()) return;

-	int size = st::msgRadius * 2;
+	int size = st::historyServiceMsgRadius * 2;
 	serviceMessageStyle->circle[NormalMask] = style::createCircleMask(size);
-	serviceMessageStyle->circle[InvertedMask] = style::createInvertedCircleMask(size);
+	int sizeInverted = st::historyServiceMsgInvertedRadius * 2;
+	serviceMessageStyle->circle[InvertedMask] = style::createInvertedCircleMask(sizeInverted);
 }

 QPixmap circleCorner(int corner) {
 	if (serviceMessageStyle->corners[corner].isNull()) {
-		int size = st::msgRadius * cIntRetinaFactor();
+		int maskType = corner / MaskMultiplier;
+		int radius = (maskType == NormalMask ? st::historyServiceMsgRadius : st::historyServiceMsgInvertedRadius);
+		int size = radius * cIntRetinaFactor();

 		int xoffset = 0, yoffset = 0;
 		if (corner & CornerRight) {
@ -74,7 +78,6 @@ QPixmap circleCorner(int corner) {
 		if (corner & CornerBottom) {
 			yoffset = size;
 		}
-		int maskType = corner / MaskMultiplier;
 		auto part = QRect(xoffset, yoffset, size, size);
 		auto result = style::colorizeImage(serviceMessageStyle->circle[maskType], App::msgServiceBg(), part);
 		result.setDevicePixelRatio(cRetinaFactor());
@ -116,11 +119,22 @@ int paintBubbleSide(Painter &p, int x, int y, int width, SideStyle style, Corner
 }

 void paintBubblePart(Painter &p, int x, int y, int width, int height, SideStyle topStyle, SideStyle bottomStyle) {
+	if (topStyle == SideStyle::Inverted || bottomStyle == SideStyle::Inverted) {
+		width -= st::historyServiceMsgInvertedShrink * 2;
+		x += st::historyServiceMsgInvertedShrink;
+	}
+
 	if (int skip = paintBubbleSide(p, x, y, width, topStyle, CornerTop)) {
 		y += skip;
 		height -= skip;
 	}
-	if (int skip = paintBubbleSide(p, x, y + height - st::msgRadius, width, bottomStyle, CornerBottom)) {
+	int bottomSize = 0;
+	if (bottomStyle == SideStyle::Rounded) {
+		bottomSize = st::historyServiceMsgRadius;
+	} else if (bottomStyle == SideStyle::Inverted) {
+		bottomSize = st::historyServiceMsgInvertedRadius;
+	}
+	if (int skip = paintBubbleSide(p, x, y + height - bottomSize, width, bottomStyle, CornerBottom)) {
 		height -= skip;
 	}

@ -137,7 +151,7 @@ void paintPreparedDate(Painter &p, const QString &dateText, int dateTextWidth, i

 	left += (w - dateTextWidth - st::msgServicePadding.left() - st::msgServicePadding.right()) / 2;
 	int height = st::msgServicePadding.top() + st::msgServiceFont->height + st::msgServicePadding.bottom();
-	App::roundRect(p, left, y + st::msgServiceMargin.top(), dateTextWidth + st::msgServicePadding.left() + st::msgServicePadding.left(), height, App::msgServiceBg(), ServiceCorners);
+	ServiceMessagePainter::paintBubble(p, left, y + st::msgServiceMargin.top(), dateTextWidth + st::msgServicePadding.left() + st::msgServicePadding.left(), height);

 	p.setFont(st::msgServiceFont);
 	p.setPen(st::msgServiceColor);
@ -180,7 +194,7 @@ void ServiceMessagePainter::paint(Painter &p, const HistoryService *message, con

 	QRect trect(QRect(left, st::msgServiceMargin.top(), width, height).marginsAdded(-st::msgServicePadding));

-	paintBubble(p, left, width, message->_text, trect);
+	paintComplexBubble(p, left, width, message->_text, trect);

 	if (width > message->maxWidth()) {
 		left += (width - message->maxWidth()) / 2;
@ -205,7 +219,13 @@ void ServiceMessagePainter::paintDate(Painter &p, const QString &dateText, int d
 	paintPreparedDate(p, dateText, dateTextWidth, y, w);
 }

-void ServiceMessagePainter::paintBubble(Painter &p, int left, int width, const Text &text, const QRect &textRect) {
+void ServiceMessagePainter::paintBubble(Painter &p, int x, int y, int w, int h) {
+	createCircleMasks();
+
+	paintBubblePart(p, x, y, w, h, SideStyle::Rounded, SideStyle::Rounded);
+}
+
+void ServiceMessagePainter::paintComplexBubble(Painter &p, int left, int width, const Text &text, const QRect &textRect) {
 	createCircleMasks();

 	auto lineWidths = countLineWidths(text, textRect);
@ -258,7 +278,7 @@ QVector<int> ServiceMessagePainter::countLineWidths(const Text &text, const QRec
 	lineWidths.reserve(linesCount);
 	text.countLineWidths(textRect.width(), &lineWidths);

-	int minDelta = 4 * st::msgRadius;
+	int minDelta = 2 * (st::historyServiceMsgRadius + st::historyServiceMsgInvertedRadius - st::historyServiceMsgInvertedShrink);
 	for (int i = 0, count = lineWidths.size(); i < count; ++i) {
 		int width = qMax(lineWidths.at(i), 0);
 		if (i > 0) {
--- a/Telegram/SourceFiles/history/history_service_layout.h
+++ b/Telegram/SourceFiles/history/history_service_layout.h
@ -40,8 +40,10 @@ public:
 	static void paintDate(Painter &p, const QDateTime &date, int y, int w);
 	static void paintDate(Painter &p, const QString &dateText, int dateTextWidth, int y, int w);

+	static void paintBubble(Painter &p, int x, int y, int w, int h);
+
 private:
-	static void paintBubble(Painter &p, int left, int width, const Text &text, const QRect &textRect);
+	static void paintComplexBubble(Painter &p, int left, int width, const Text &text, const QRect &textRect);
 	static QVector<int> countLineWidths(const Text &text, const QRect &textRect);

 };
--- a/Telegram/SourceFiles/historywidget.cpp
+++ b/Telegram/SourceFiles/historywidget.cpp
@ -1472,6 +1472,10 @@ void HistoryInner::keyPressEvent(QKeyEvent *e) {
 		_widget->onListEscapePressed();
 	} else if (e == QKeySequence::Copy && !_selected.isEmpty()) {
 		copySelectedText();
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		setToClipboard(getSelectedText(), QClipboard::FindBuffer);
+#endif // Q_OS_MAC
 	} else if (e == QKeySequence::Delete) {
 		int32 selectedForForward, selectedForDelete;
 		getSelectionState(selectedForForward, selectedForDelete);
@ -8377,7 +8381,7 @@ void HistoryWidget::drawField(Painter &p, const QRect &rect) {
 					ImagePtr replyPreview = drawMsgText->getMedia()->replyPreview();
 					if (!replyPreview->isNull()) {
 						QRect to(replyLeft, backy + st::msgReplyPadding.top(), st::msgReplyBarSize.height(), st::msgReplyBarSize.height());
-						p.drawPixmap(to.x(), to.y(), replyPreview->pixSingle(replyPreview->width() / cIntRetinaFactor(), replyPreview->height() / cIntRetinaFactor(), to.width(), to.height()));
+						p.drawPixmap(to.x(), to.y(), replyPreview->pixSingle(ImageRoundRadius::Small, replyPreview->width() / cIntRetinaFactor(), replyPreview->height() / cIntRetinaFactor(), to.width(), to.height()));
 					}
 					replyLeft += st::msgReplyBarSize.height() + st::msgReplyBarSkip - st::msgReplyBarSize.width() - st::msgReplyBarPos.x();
 				}
@ -8538,7 +8542,7 @@ void HistoryWidget::drawPinnedBar(Painter &p) {
 			ImagePtr replyPreview = _pinnedBar->msg->getMedia()->replyPreview();
 			if (!replyPreview->isNull()) {
 				QRect to(left, st::msgReplyPadding.top(), st::msgReplyBarSize.height(), st::msgReplyBarSize.height());
-				p.drawPixmap(to.x(), to.y(), replyPreview->pixSingle(replyPreview->width() / cIntRetinaFactor(), replyPreview->height() / cIntRetinaFactor(), to.width(), to.height()));
+				p.drawPixmap(to.x(), to.y(), replyPreview->pixSingle(ImageRoundRadius::Small, replyPreview->width() / cIntRetinaFactor(), replyPreview->height() / cIntRetinaFactor(), to.width(), to.height()));
 			}
 			left += st::msgReplyBarSize.height() + st::msgReplyBarSkip - st::msgReplyBarSize.width() - st::msgReplyBarPos.x();
 		}
@ -8634,7 +8638,7 @@ void HistoryWidget::paintEvent(QPaintEvent *e) {
 		style::font font(st::msgServiceFont);
 		int32 w = font->width(lang(lng_willbe_history)) + st::msgPadding.left() + st::msgPadding.right(), h = font->height + st::msgServicePadding.top() + st::msgServicePadding.bottom() + 2;
 		QRect tr((width() - w) / 2, (height() - _field.height() - 2 * st::sendPadding - h) / 2, w, h);
-		App::roundRect(p, tr, App::msgServiceBg(), ServiceCorners);
+		HistoryLayout::ServiceMessagePainter::paintBubble(p, tr.x(), tr.y(), tr.width(), tr.height());

 		p.setPen(st::msgServiceColor->p);
 		p.setFont(font->f);
--- a/Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp
+++ b/Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp
@ -420,8 +420,8 @@ void Sticker::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {

 QSize Sticker::getThumbSize() const {
 	int width = qMax(content_width(), 1), height = qMax(content_height(), 1);
-	float64 coefw = (st::stickerPanSize.width() - st::msgRadius * 2) / float64(width);
-	float64 coefh = (st::stickerPanSize.height() - st::msgRadius * 2) / float64(height);
+	float64 coefw = (st::stickerPanSize.width() - st::buttonRadius * 2) / float64(width);
+	float64 coefh = (st::stickerPanSize.height() - st::buttonRadius * 2) / float64(height);
 	float64 coef = qMin(qMin(coefw, coefh), 1.);
 	int w = qRound(coef * content_width()), h = qRound(coef * content_height());
 	return QSize(qMax(w, 1), qMax(h, 1));
--- a/Telegram/SourceFiles/layout.cpp
+++ b/Telegram/SourceFiles/layout.cpp
@ -215,3 +215,23 @@ style::sprite documentCorner(int32 colorIndex) {
 RoundCorners documentCorners(int32 colorIndex) {
 	return RoundCorners(DocBlueCorners + (colorIndex & 3));
 }
+
+bool documentIsValidMediaFile(const QString &filepath) {
+	static StaticNeverFreedPointer<QList<QString>> validMediaTypes(([] {
+		std_::unique_ptr<QList<QString>> result = std_::make_unique<QList<QString>>();
+		*result = qsl("\
+webm mkv flv vob ogv ogg drc gif gifv mng avi mov qt wmv yuv rm rmvb asf amv mp4 m4p \
+m4v mpg mp2 mpeg mpe mpv m2v svi 3gp 3g2 mxf roq nsv f4v f4p f4a f4b wma divx evo mk3d \
+mka mks mcf m2p ps ts m2ts ifo aaf avchd cam dat dsh dvr-ms m1v fla flr sol wrap smi swf \
+wtv 8svx 16svx iff aiff aif aifc au bwf cdda raw wav flac la pac m4a ape ofr ofs off rka \
+shn tak tta wv brstm dts dtshd dtsma ast amr mp3 spx gsm aac mpc vqf ra ots swa vox voc \
+dwd smp aup cust mid mus sib sid ly gym vgm psf nsf mod ptb s3m xm it mt2 minipsf psflib \
+2sf dsf gsf psf2 qsf ssf usf rmj spc niff mxl xml txm ym jam mp1 mscz \
+").split(' ');
+		return result.release();
+	})());
+
+	QFileInfo info(filepath);
+	auto parts = info.fileName().split('.', QString::SkipEmptyParts);
+	return !parts.isEmpty() && (validMediaTypes->indexOf(parts.back().toLower()) >= 0);
+}
--- a/Telegram/SourceFiles/layout.h
+++ b/Telegram/SourceFiles/layout.h
@ -29,12 +29,14 @@ const TextParseOptions &itemTextOptions(History *h, PeerData *f);
 const TextParseOptions &itemTextNoMonoOptions(History *h, PeerData *f);

 enum RoundCorners {
-	NoneCorners = 0x00, // for images
-	BlackCorners,
+	SmallMaskCorners = 0x00, // for images
+	LargeMaskCorners,
+
 	WhiteCorners,
-	ServiceCorners,
-	ServiceSelectedCorners,
-	SelectedOverlayCorners,
+	StickerCorners,
+	StickerSelectedCorners,
+	SelectedOverlaySmallCorners,
+	SelectedOverlayLargeCorners,
 	DateCorners,
 	DateSelectedCorners,
 	ForwardCorners,
@ -81,6 +83,7 @@ style::color documentOverColor(int32 colorIndex);
 style::color documentSelectedColor(int32 colorIndex);
 style::sprite documentCorner(int32 colorIndex);
 RoundCorners documentCorners(int32 colorIndex);
+bool documentIsValidMediaFile(const QString &filepath);

 class PaintContextBase {
 public:
--- a/Telegram/SourceFiles/main.cpp
+++ b/Telegram/SourceFiles/main.cpp
@ -44,21 +44,9 @@ int main(int argc, char *argv[]) {
 	Logs::start(); // must be started before Platform is started
 	Platform::start(); // must be started before QApplication is created

-	// prepare fake args to disable QT_STYLE_OVERRIDE env variable
-	// currently this is required in some desktop environments, including Xubuntu 15.10
-	// when we don't default style to "none" Qt dynamically loads GTK somehow internally and
-	// our own GTK dynamic load and usage leads GTK errors and freeze of the current main thread
-	// we can't disable our own GTK loading because it is required by libappindicator, which
-	// provides the tray icon for this system, because Qt tray icon is broken there
-	// see https://github.com/telegramdesktop/tdesktop/issues/1774
-	QByteArray args[] = { "-style=0" };
-	static const int a_cnt = sizeof(args) / sizeof(args[0]);
-	int a_argc = a_cnt + 1;
-	char *a_argv[a_cnt + 1] = { argv[0], args[0].data() };
-
 	int result = 0;
 	{
-		Application app(a_argc, a_argv);
+		Application app(argc, argv);
 		result = app.exec();
 	}

--- a/Telegram/SourceFiles/mainwidget.cpp
+++ b/Telegram/SourceFiles/mainwidget.cpp
@ -1541,7 +1541,9 @@ void MainWidget::audioPlayProgress(const AudioMsgId &audioId) {
 		DocumentData *audio = audioId.audio;
 		QString filepath = audio->filepath(DocumentData::FilePathResolveSaveFromData);
 		if (!filepath.isEmpty()) {
-			psOpenFile(filepath);
+			if (documentIsValidMediaFile(filepath)) {
+				psOpenFile(filepath);
+			}
 		}
 	}

@ -1568,7 +1570,9 @@ void MainWidget::documentPlayProgress(const SongMsgId &songId) {
 		DocumentData *document = songId.song;
 		QString filepath = document->filepath(DocumentData::FilePathResolveSaveFromData);
 		if (!filepath.isEmpty()) {
-			psOpenFile(filepath);
+			if (documentIsValidMediaFile(filepath)) {
+				psOpenFile(filepath);
+			}
 		}
 	}

--- a/Telegram/SourceFiles/mainwindow.cpp
+++ b/Telegram/SourceFiles/mainwindow.cpp
@ -505,9 +505,7 @@ void MainWindow::clearWidgets() {
 		intro = 0;
 	}
 	if (_mediaView) {
-		if (!_mediaView->isHidden()) {
-			_mediaView->hide();
-		}
+		hideMediaview();
 		_mediaView->rpcClear();
 	}
 	title->updateBackButton();
--- a/Telegram/SourceFiles/overview/overview_layout.cpp
+++ b/Telegram/SourceFiles/overview/overview_layout.cpp
@ -1051,15 +1051,15 @@ void Link::paint(Painter &p, const QRect &clip, TextSelection selection, const P
 		if (_page && _page->photo) {
 			QPixmap pix;
 			if (_page->photo->medium->loaded()) {
-				pix = _page->photo->medium->pixSingle(_pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize);
+				pix = _page->photo->medium->pixSingle(ImageRoundRadius::Small, _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize);
 			} else if (_page->photo->loaded()) {
-				pix = _page->photo->full->pixSingle(_pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize);
+				pix = _page->photo->full->pixSingle(ImageRoundRadius::Small, _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize);
 			} else {
-				pix = _page->photo->thumb->pixSingle(_pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize);
+				pix = _page->photo->thumb->pixSingle(ImageRoundRadius::Small, _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize);
 			}
 			p.drawPixmapLeft(0, top, _width, pix);
 		} else if (_page && _page->document && !_page->document->thumb->isNull()) {
-			p.drawPixmapLeft(0, top, _width, _page->document->thumb->pixSingle(_pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize));
+			p.drawPixmapLeft(0, top, _width, _page->document->thumb->pixSingle(ImageRoundRadius::Small, _pixw, _pixh, st::linksPhotoSize, st::linksPhotoSize));
 		} else {
 			int32 index = _letter.isEmpty() ? 0 : (_letter.at(0).unicode() % 4);
 			switch (index) {
--- a/Telegram/SourceFiles/platform/linux/file_dialog_linux.cpp
+++ b/Telegram/SourceFiles/platform/linux/file_dialog_linux.cpp
@ -0,0 +1,497 @@
+/*
+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) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#include "stdafx.h"
+#include "platform/linux/file_dialog_linux.h"
+
+#include <private/qguiapplication_p.h>
+#include "platform/linux/linux_libs.h"
+#include "platform/linux/linux_gdk_helper.h"
+#include "mainwindow.h"
+#include "localstorage.h"
+
+QStringList qt_make_filter_list(const QString &filter);
+
+namespace Platform {
+namespace FileDialog {
+
+using Type = ::FileDialog::internal::Type;
+
+bool Supported() {
+	return Platform::internal::GdkHelperLoaded()
+		&& (Libs::gtk_widget_hide_on_delete != nullptr)
+		&& (Libs::gtk_clipboard_store != nullptr)
+		&& (Libs::gtk_clipboard_get != nullptr)
+		&& (Libs::gtk_widget_destroy != nullptr)
+		&& (Libs::gtk_dialog_get_type != nullptr)
+		&& (Libs::gtk_dialog_run != nullptr)
+		&& (Libs::gtk_widget_realize != nullptr)
+		&& (Libs::gdk_window_set_modal_hint != nullptr)
+		&& (Libs::gtk_widget_show != nullptr)
+		&& (Libs::gdk_window_focus != nullptr)
+		&& (Libs::gtk_widget_hide != nullptr)
+		&& (Libs::gtk_widget_hide_on_delete != nullptr)
+		&& (Libs::gtk_file_chooser_dialog_new != nullptr)
+		&& (Libs::gtk_file_chooser_get_type != nullptr)
+		&& (Libs::gtk_file_chooser_set_current_folder != nullptr)
+		&& (Libs::gtk_file_chooser_get_current_folder != nullptr)
+		&& (Libs::gtk_file_chooser_set_current_name != nullptr)
+		&& (Libs::gtk_file_chooser_select_filename != nullptr)
+		&& (Libs::gtk_file_chooser_get_filenames != nullptr)
+		&& (Libs::gtk_file_chooser_set_filter != nullptr)
+		&& (Libs::gtk_file_chooser_get_filter != nullptr)
+		&& (Libs::gtk_window_get_type != nullptr)
+		&& (Libs::gtk_window_set_title != nullptr)
+		&& (Libs::gtk_file_chooser_set_local_only != nullptr)
+		&& (Libs::gtk_file_chooser_set_action != nullptr)
+		&& (Libs::gtk_file_chooser_set_select_multiple != nullptr)
+		&& (Libs::gtk_file_chooser_set_do_overwrite_confirmation != nullptr)
+		&& (Libs::gtk_file_chooser_remove_filter != nullptr)
+		&& (Libs::gtk_file_filter_set_name != nullptr)
+		&& (Libs::gtk_file_filter_add_pattern != nullptr)
+		&& (Libs::gtk_file_chooser_add_filter != nullptr)
+		&& (Libs::gtk_file_filter_new != nullptr);
+}
+
+bool Get(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, Type type, QString startFile) {
+	auto parent = App::wnd() ? App::wnd()->filedialogParent() : nullptr;
+	internal::GtkFileDialog dialog(parent, caption, QString(), filter);
+
+    dialog.setModal(true);
+	if (type == Type::ReadFile || type == Type::ReadFiles) {
+		dialog.setFileMode((type == Type::ReadFiles) ? QFileDialog::ExistingFiles : QFileDialog::ExistingFile);
+		dialog.setAcceptMode(QFileDialog::AcceptOpen);
+	} else if (type == Type::ReadFolder) {
+		dialog.setAcceptMode(QFileDialog::AcceptOpen);
+		dialog.setFileMode(QFileDialog::Directory);
+		dialog.setOption(QFileDialog::ShowDirsOnly);
+	} else {
+		dialog.setFileMode(QFileDialog::AnyFile);
+		dialog.setAcceptMode(QFileDialog::AcceptSave);
+	}
+	if (startFile.isEmpty() || startFile.at(0) != '/') {
+		startFile = cDialogLastPath() + '/' + startFile;
+	}
+	dialog.selectFile(startFile);
+
+	int res = dialog.exec();
+
+	QString path = dialog.directory().absolutePath();
+	if (path != cDialogLastPath()) {
+		cSetDialogLastPath(path);
+		Local::writeUserSettings();
+	}
+
+	if (res == QDialog::Accepted) {
+		if (type == Type::ReadFiles) {
+			files = dialog.selectedFiles();
+		} else {
+			files = dialog.selectedFiles().mid(0, 1);
+		}
+		return true;
+	}
+
+	files = QStringList();
+	remoteContent = QByteArray();
+	return false;
+}
+
+namespace internal {
+
+QGtkDialog::QGtkDialog(GtkWidget *gtkWidget) : gtkWidget(gtkWidget) {
+    Libs::g_signal_connect_swapped_helper(Libs::g_object_cast(gtkWidget), "response", GCallback(onResponse), this);
+    Libs::g_signal_connect_helper(Libs::g_object_cast(gtkWidget), "delete-event", GCallback(Libs::gtk_widget_hide_on_delete), NULL);
+}
+
+QGtkDialog::~QGtkDialog() {
+    Libs::gtk_clipboard_store(Libs::gtk_clipboard_get(GDK_SELECTION_CLIPBOARD));
+    Libs::gtk_widget_destroy(gtkWidget);
+}
+
+GtkDialog *QGtkDialog::gtkDialog() const {
+    return Libs::gtk_dialog_cast(gtkWidget);
+}
+
+void QGtkDialog::exec() {
+	if (auto w = App::wnd()) {
+		w->onReActivate();
+		QTimer::singleShot(200, w, SLOT(onReActivate()));
+	}
+	if (modality() == Qt::ApplicationModal) {
+		// block input to the whole app, including other GTK dialogs
+		Libs::gtk_dialog_run(gtkDialog());
+	} else {
+		// block input to the window, allow input to other GTK dialogs
+		QEventLoop loop;
+		connect(this, SIGNAL(accept()), &loop, SLOT(quit()));
+		connect(this, SIGNAL(reject()), &loop, SLOT(quit()));
+		loop.exec();
+	}
+}
+
+void QGtkDialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent) {
+    connect(parent, &QWindow::destroyed, this, &QGtkDialog::onParentWindowDestroyed,
+            Qt::UniqueConnection);
+    setParent(parent);
+    setFlags(flags);
+    setModality(modality);
+
+    Libs::gtk_widget_realize(gtkWidget); // creates X window
+
+	if (parent) {
+		Platform::internal::XSetTransientForHint(Libs::gtk_widget_get_window(gtkWidget), parent->winId());
+	}
+
+    if (modality != Qt::NonModal) {
+        Libs::gdk_window_set_modal_hint(Libs::gtk_widget_get_window(gtkWidget), true);
+        QGuiApplicationPrivate::showModalWindow(this);
+    }
+
+    Libs::gtk_widget_show(gtkWidget);
+    Libs::gdk_window_focus(Libs::gtk_widget_get_window(gtkWidget), 0);
+}
+
+void QGtkDialog::hide() {
+    QGuiApplicationPrivate::hideModalWindow(this);
+    Libs::gtk_widget_hide(gtkWidget);
+}
+
+void QGtkDialog::onResponse(QGtkDialog *dialog, int response) {
+    if (response == GTK_RESPONSE_OK)
+        emit dialog->accept();
+    else
+        emit dialog->reject();
+}
+
+void QGtkDialog::onParentWindowDestroyed() {
+    // The Gtk*DialogHelper classes own this object. Make sure the parent doesn't delete it.
+    setParent(nullptr);
+}
+
+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
+
+GtkFileDialog::GtkFileDialog(QWidget *parent, const QString &caption, const QString &directory, const QString &filter) : QDialog(parent)
+, _windowTitle(caption)
+, _initialDirectory(directory) {
+	auto filters = qt_make_filter_list(filter);
+	const int numFilters = filters.count();
+	_nameFilters.reserve(numFilters);
+	for (int i = 0; i < numFilters; ++i) {
+		_nameFilters << filters[i].simplified();
+	}
+
+    d.reset(new QGtkDialog(Libs::gtk_file_chooser_dialog_new("", nullptr,
+		GTK_FILE_CHOOSER_ACTION_OPEN,
+		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+		GTK_STOCK_OK, GTK_RESPONSE_OK, NULL)));
+    connect(d.data(), SIGNAL(accept()), this, SLOT(onAccepted()));
+    connect(d.data(), SIGNAL(reject()), this, SLOT(onRejected()));
+
+    Libs::g_signal_connect_helper(Libs::gtk_file_chooser_cast(d->gtkDialog()), "selection-changed", G_CALLBACK(onSelectionChanged), this);
+    Libs::g_signal_connect_swapped_helper(Libs::gtk_file_chooser_cast(d->gtkDialog()), "current-folder-changed", G_CALLBACK(onCurrentFolderChanged), this);
+}
+
+GtkFileDialog::~GtkFileDialog() {
+}
+
+void GtkFileDialog::showHelper(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent) {
+    _dir.clear();
+    _selection.clear();
+
+    applyOptions();
+    return d->show(flags, modality, parent);
+}
+
+void GtkFileDialog::setVisible(bool visible) {
+    if (visible) {
+		if (testAttribute(Qt::WA_WState_ExplicitShowHide) && !testAttribute(Qt::WA_WState_Hidden)) {
+            return;
+		}
+    } else if (testAttribute(Qt::WA_WState_ExplicitShowHide) && testAttribute(Qt::WA_WState_Hidden)) {
+        return;
+	}
+
+	if (visible) {
+		showHelper(windowFlags(), windowModality(), parentWidget() ? parentWidget()->windowHandle() : nullptr);
+	} else {
+		hideHelper();
+	}
+
+	// Set WA_DontShowOnScreen so that QDialog::setVisible(visible) below
+	// updates the state correctly, but skips showing the non-native version:
+	setAttribute(Qt::WA_DontShowOnScreen);
+
+    QDialog::setVisible(visible);
+}
+
+int GtkFileDialog::exec() {
+	d->setModality(windowModality());
+
+	bool deleteOnClose = testAttribute(Qt::WA_DeleteOnClose);
+    setAttribute(Qt::WA_DeleteOnClose, false);
+
+    bool wasShowModal = testAttribute(Qt::WA_ShowModal);
+    setAttribute(Qt::WA_ShowModal, true);
+    setResult(0);
+
+    show();
+
+    QPointer<QDialog> guard = this;
+    d->exec();
+    if (guard.isNull())
+        return QDialog::Rejected;
+
+    setAttribute(Qt::WA_ShowModal, wasShowModal);
+
+    return result();
+}
+
+void GtkFileDialog::hideHelper() {
+    // After GtkFileChooserDialog has been hidden, gtk_file_chooser_get_current_folder()
+    // & gtk_file_chooser_get_filenames() will return bogus values -> cache the actual
+    // values before hiding the dialog
+    _dir = directory().absolutePath();
+    _selection = selectedFiles();
+
+    d->hide();
+}
+
+bool GtkFileDialog::defaultNameFilterDisables() const {
+    return false;
+}
+
+void GtkFileDialog::setDirectory(const QString &directory) {
+    GtkDialog *gtkDialog = d->gtkDialog();
+    Libs::gtk_file_chooser_set_current_folder(Libs::gtk_file_chooser_cast(gtkDialog), directory.toUtf8());
+}
+
+QDir GtkFileDialog::directory() const {
+    // While GtkFileChooserDialog is hidden, gtk_file_chooser_get_current_folder()
+    // returns a bogus value -> return the cached value before hiding
+    if (!_dir.isEmpty())
+        return _dir;
+
+    QString ret;
+    GtkDialog *gtkDialog = d->gtkDialog();
+    gchar *folder = Libs::gtk_file_chooser_get_current_folder(Libs::gtk_file_chooser_cast(gtkDialog));
+    if (folder) {
+        ret = QString::fromUtf8(folder);
+        Libs::g_free(folder);
+    }
+    return QDir(ret);
+}
+
+void GtkFileDialog::selectFile(const QString &filename) {
+	_initialFiles.clear();
+	_initialFiles.append(filename);
+}
+
+QStringList GtkFileDialog::selectedFiles() const {
+    // While GtkFileChooserDialog is hidden, gtk_file_chooser_get_filenames()
+    // returns a bogus value -> return the cached value before hiding
+    if (!_selection.isEmpty())
+        return _selection;
+
+    QStringList selection;
+    GtkDialog *gtkDialog = d->gtkDialog();
+    GSList *filenames = Libs::gtk_file_chooser_get_filenames(Libs::gtk_file_chooser_cast(gtkDialog));
+    for (GSList *it  = filenames; it; it = it->next)
+        selection += QString::fromUtf8((const char*)it->data);
+    Libs::g_slist_free(filenames);
+    return selection;
+}
+
+void GtkFileDialog::setFilter() {
+    applyOptions();
+}
+
+void GtkFileDialog::selectNameFilter(const QString &filter) {
+    GtkFileFilter *gtkFilter = _filters.value(filter);
+    if (gtkFilter) {
+        GtkDialog *gtkDialog = d->gtkDialog();
+        Libs::gtk_file_chooser_set_filter(Libs::gtk_file_chooser_cast(gtkDialog), gtkFilter);
+    }
+}
+
+QString GtkFileDialog::selectedNameFilter() const {
+    GtkDialog *gtkDialog = d->gtkDialog();
+    GtkFileFilter *gtkFilter = Libs::gtk_file_chooser_get_filter(Libs::gtk_file_chooser_cast(gtkDialog));
+    return _filterNames.value(gtkFilter);
+}
+
+void GtkFileDialog::onAccepted() {
+	emit accept();
+
+//    QString filter = selectedNameFilter();
+//    if (filter.isEmpty())
+//        emit filterSelected(filter);
+
+//    QList<QUrl> files = selectedFiles();
+//    emit filesSelected(files);
+//    if (files.count() == 1)
+//        emit fileSelected(files.first());
+}
+
+void GtkFileDialog::onRejected() {
+	emit reject();
+
+//
+}
+
+void GtkFileDialog::onSelectionChanged(GtkDialog *gtkDialog, GtkFileDialog *helper) {
+//    QString selection;
+//    gchar *filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(gtkDialog));
+//    if (filename) {
+//        selection = QString::fromUtf8(filename);
+//        g_free(filename);
+//    }
+//    emit helper->currentChanged(QUrl::fromLocalFile(selection));
+}
+
+void GtkFileDialog::onCurrentFolderChanged(GtkFileDialog *dialog) {
+//    emit dialog->directoryEntered(dialog->directory());
+}
+
+GtkFileChooserAction gtkFileChooserAction(QFileDialog::FileMode fileMode, QFileDialog::AcceptMode acceptMode) {
+    switch (fileMode) {
+    case QFileDialog::AnyFile:
+    case QFileDialog::ExistingFile:
+    case QFileDialog::ExistingFiles:
+        if (acceptMode == QFileDialog::AcceptOpen)
+            return GTK_FILE_CHOOSER_ACTION_OPEN;
+        else
+            return GTK_FILE_CHOOSER_ACTION_SAVE;
+    case QFileDialog::Directory:
+    case QFileDialog::DirectoryOnly:
+    default:
+        if (acceptMode == QFileDialog::AcceptOpen)
+            return GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
+        else
+            return GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
+    }
+}
+
+bool CustomButtonsSupported() {
+	return (Libs::gtk_dialog_get_widget_for_response != nullptr)
+		&& (Libs::gtk_button_set_label != nullptr)
+		&& (Libs::gtk_button_get_type != nullptr);
+}
+
+void GtkFileDialog::applyOptions() {
+    GtkDialog *gtkDialog = d->gtkDialog();
+
+    Libs::gtk_window_set_title(Libs::gtk_window_cast(gtkDialog), _windowTitle.toUtf8());
+    Libs::gtk_file_chooser_set_local_only(Libs::gtk_file_chooser_cast(gtkDialog), true);
+
+    const GtkFileChooserAction action = gtkFileChooserAction(_fileMode, _acceptMode);
+    Libs::gtk_file_chooser_set_action(Libs::gtk_file_chooser_cast(gtkDialog), action);
+
+    const bool selectMultiple = (_fileMode == QFileDialog::ExistingFiles);
+    Libs::gtk_file_chooser_set_select_multiple(Libs::gtk_file_chooser_cast(gtkDialog), selectMultiple);
+
+    const bool confirmOverwrite = !_options.testFlag(QFileDialog::DontConfirmOverwrite);
+    Libs::gtk_file_chooser_set_do_overwrite_confirmation(Libs::gtk_file_chooser_cast(gtkDialog), confirmOverwrite);
+
+    if (!_nameFilters.isEmpty())
+        setNameFilters(_nameFilters);
+
+	if (!_initialDirectory.isEmpty())
+        setDirectory(_initialDirectory);
+
+	for_const (const auto &filename, _initialFiles) {
+	    if (_acceptMode == QFileDialog::AcceptSave) {
+	        QFileInfo fi(filename);
+	        Libs::gtk_file_chooser_set_current_folder(Libs::gtk_file_chooser_cast(gtkDialog), fi.path().toUtf8());
+	        Libs::gtk_file_chooser_set_current_name(Libs::gtk_file_chooser_cast(gtkDialog), fi.fileName().toUtf8());
+	    } else if (filename.endsWith('/')) {
+			Libs::gtk_file_chooser_set_current_folder(Libs::gtk_file_chooser_cast(gtkDialog), filename.toUtf8());
+		} else {
+	        Libs::gtk_file_chooser_select_filename(Libs::gtk_file_chooser_cast(gtkDialog), filename.toUtf8());
+	    }
+	}
+
+    const QString initialNameFilter = _nameFilters.isEmpty() ? QString() : _nameFilters.front();
+    if (!initialNameFilter.isEmpty())
+        selectNameFilter(initialNameFilter);
+
+	if (CustomButtonsSupported()) {
+		GtkWidget *acceptButton = Libs::gtk_dialog_get_widget_for_response(gtkDialog, GTK_RESPONSE_OK);
+		if (acceptButton) {
+			/*if (opts->isLabelExplicitlySet(QFileDialogOptions::Accept))
+				Libs::gtk_button_set_label(Libs::gtk_button_cast(acceptButton), opts->labelText(QFileDialogOptions::Accept).toUtf8());
+			else*/ if (_acceptMode == QFileDialog::AcceptOpen)
+				Libs::gtk_button_set_label(Libs::gtk_button_cast(acceptButton), GTK_STOCK_OPEN);
+			else
+				Libs::gtk_button_set_label(Libs::gtk_button_cast(acceptButton), GTK_STOCK_SAVE);
+		}
+
+		GtkWidget *rejectButton = Libs::gtk_dialog_get_widget_for_response(gtkDialog, GTK_RESPONSE_CANCEL);
+		if (rejectButton) {
+			/*if (opts->isLabelExplicitlySet(QFileDialogOptions::Reject))
+				Libs::gtk_button_set_label(Libs::gtk_button_cast(rejectButton), opts->labelText(QFileDialogOptions::Reject).toUtf8());
+			else*/
+				Libs::gtk_button_set_label(Libs::gtk_button_cast(rejectButton), GTK_STOCK_CANCEL);
+		}
+	}
+}
+
+void GtkFileDialog::setNameFilters(const QStringList &filters) {
+    GtkDialog *gtkDialog = d->gtkDialog();
+    foreach (GtkFileFilter *filter, _filters)
+        Libs::gtk_file_chooser_remove_filter(Libs::gtk_file_chooser_cast(gtkDialog), filter);
+
+    _filters.clear();
+    _filterNames.clear();
+
+    foreach (const QString &filter, filters) {
+        GtkFileFilter *gtkFilter = Libs::gtk_file_filter_new();
+        const QString name = filter.left(filter.indexOf(QLatin1Char('(')));
+        const QStringList extensions = cleanFilterList(filter);
+
+        Libs::gtk_file_filter_set_name(gtkFilter, name.isEmpty() ? extensions.join(QStringLiteral(", ")).toUtf8() : name.toUtf8());
+        foreach (const QString &ext, extensions)
+            Libs::gtk_file_filter_add_pattern(gtkFilter, ext.toUtf8());
+
+        Libs::gtk_file_chooser_add_filter(Libs::gtk_file_chooser_cast(gtkDialog), gtkFilter);
+
+        _filters.insert(filter, gtkFilter);
+        _filterNames.insert(gtkFilter, filter);
+    }
+}
+
+} // namespace internal
+} // namespace FileDialog
+} // namespace Platform
--- a/Telegram/SourceFiles/platform/linux/file_dialog_linux.h
+++ b/Telegram/SourceFiles/platform/linux/file_dialog_linux.h
@ -0,0 +1,145 @@
+/*
+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) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+#include "ui/filedialog.h"
+
+extern "C" {
+#undef signals
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#define signals public
+} // extern "C"
+
+namespace Platform {
+namespace FileDialog {
+
+bool Supported();
+
+bool Get(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, ::FileDialog::internal::Type type, QString startFile);
+
+namespace internal {
+
+// This is a patched copy of qgtk2 theme plugin.
+// We need to use our own gtk file dialog instead of
+// styling Qt file dialog, because Qt only works with gtk2.
+// We need to be able to work with gtk2 and gtk3, because
+// we use gtk3 to work with appindicator3.
+class QGtkDialog : public QWindow {
+    Q_OBJECT
+
+public:
+    QGtkDialog(GtkWidget *gtkWidget);
+    ~QGtkDialog();
+
+    GtkDialog *gtkDialog() const;
+
+    void exec();
+    void show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
+    void hide();
+
+signals:
+    void accept();
+    void reject();
+
+protected:
+    static void onResponse(QGtkDialog *dialog, int response);
+
+private slots:
+    void onParentWindowDestroyed();
+
+private:
+    GtkWidget *gtkWidget;
+
+};
+
+class GtkFileDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    GtkFileDialog(QWidget *parent = Q_NULLPTR,
+				  const QString &caption = QString(),
+                  const QString &directory = QString(),
+                  const QString &filter = QString());
+    ~GtkFileDialog();
+
+	void setVisible(bool visible) override;
+
+	void setWindowTitle(const QString &windowTitle) {
+		_windowTitle = windowTitle;
+	}
+	void setAcceptMode(QFileDialog::AcceptMode acceptMode) {
+		_acceptMode = acceptMode;
+	}
+	void setFileMode(QFileDialog::FileMode fileMode) {
+		_fileMode = fileMode;
+	}
+	void setOption(QFileDialog::Option option, bool on = true) {
+		if (on) {
+			_options |= option;
+		} else {
+			_options &= ~option;
+		}
+	}
+
+    int exec() override;
+
+    bool defaultNameFilterDisables() const;
+    void setDirectory(const QString &directory);
+    QDir directory() const;
+    void selectFile(const QString &filename);
+    QStringList selectedFiles() const;
+    void setFilter();
+    void selectNameFilter(const QString &filter);
+    QString selectedNameFilter() const;
+
+private slots:
+    void onAccepted();
+	void onRejected();
+
+private:
+    static void onSelectionChanged(GtkDialog *dialog, GtkFileDialog *helper);
+    static void onCurrentFolderChanged(GtkFileDialog *helper);
+    void applyOptions();
+    void setNameFilters(const QStringList &filters);
+
+	void showHelper(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
+	void hideHelper();
+
+	// Options
+	QFileDialog::Options _options = { 0 };
+	QString _windowTitle = "Choose file";
+	QString _initialDirectory;
+	QStringList _initialFiles;
+	QStringList _nameFilters;
+	QFileDialog::AcceptMode _acceptMode = QFileDialog::AcceptOpen;
+	QFileDialog::FileMode _fileMode = QFileDialog::ExistingFile;
+
+    QString _dir;
+    QStringList _selection;
+    QHash<QString, GtkFileFilter*> _filters;
+    QHash<GtkFileFilter*, QString> _filterNames;
+    QScopedPointer<QGtkDialog> d;
+};
+
+} // namespace internal
+} // namespace FileDialog
+} // namespace Platform
--- a/Telegram/SourceFiles/platform/linux/linux_gdk_helper.cpp
+++ b/Telegram/SourceFiles/platform/linux/linux_gdk_helper.cpp
@ -0,0 +1,114 @@
+/*
+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) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#include "stdafx.h"
+#include "platform/linux/linux_gdk_helper.h"
+
+#include "platform/linux/linux_libs.h"
+
+extern "C" {
+#undef signals
+#include <gdk/gdkx.h>
+#define signals public
+} // extern "C"
+
+namespace Platform {
+namespace internal {
+
+enum class GtkLoaded {
+	GtkNone,
+	Gtk2,
+	Gtk3,
+};
+
+GtkLoaded gdk_helper_loaded = GtkLoaded::GtkNone;
+
+// To be able to compile with gtk-3.0 headers as well
+#define GdkDrawable GdkWindow
+
+// Gtk 2
+using f_gdk_x11_drawable_get_xdisplay = Display*(*)(GdkDrawable*);
+f_gdk_x11_drawable_get_xdisplay gdk_x11_drawable_get_xdisplay = nullptr;
+
+using f_gdk_x11_drawable_get_xid = XID(*)(GdkDrawable*);
+f_gdk_x11_drawable_get_xid gdk_x11_drawable_get_xid = nullptr;
+
+// Gtk 3
+using f_gdk_x11_window_get_type = GType (*)(void);
+f_gdk_x11_window_get_type gdk_x11_window_get_type = nullptr;
+
+// To be able to compile with gtk-2.0 headers as well
+template <typename Object>
+inline bool gdk_is_x11_window_check(Object *obj) {
+	return Libs::g_type_cit_helper(obj, gdk_x11_window_get_type());
+}
+
+using f_gdk_window_get_display = GdkDisplay*(*)(GdkWindow *window);
+f_gdk_window_get_display gdk_window_get_display = nullptr;
+
+using f_gdk_x11_display_get_xdisplay = Display*(*)(GdkDisplay *display);
+f_gdk_x11_display_get_xdisplay gdk_x11_display_get_xdisplay = nullptr;
+
+using f_gdk_x11_window_get_xid = Window(*)(GdkWindow *window);
+f_gdk_x11_window_get_xid gdk_x11_window_get_xid = nullptr;
+
+bool GdkHelperLoadGtk2(QLibrary &lib) {
+	if (!Libs::load(lib, "gdk_x11_drawable_get_xdisplay", gdk_x11_drawable_get_xdisplay)) return false;
+	if (!Libs::load(lib, "gdk_x11_drawable_get_xid", gdk_x11_drawable_get_xid)) return false;
+	return true;
+}
+
+bool GdkHelperLoadGtk3(QLibrary &lib) {
+	if (!Libs::load(lib, "gdk_x11_window_get_type", gdk_x11_window_get_type)) return false;
+	if (!Libs::load(lib, "gdk_window_get_display", gdk_window_get_display)) return false;
+	if (!Libs::load(lib, "gdk_x11_display_get_xdisplay", gdk_x11_display_get_xdisplay)) return false;
+	if (!Libs::load(lib, "gdk_x11_window_get_xid", gdk_x11_window_get_xid)) return false;
+	return true;
+}
+
+void GdkHelperLoad(QLibrary &lib) {
+	gdk_helper_loaded = GtkLoaded::GtkNone;
+	if (GdkHelperLoadGtk2(lib)) {
+		gdk_helper_loaded = GtkLoaded::Gtk2;
+	} else if (GdkHelperLoadGtk3(lib)) {
+		gdk_helper_loaded = GtkLoaded::Gtk3;
+	}
+}
+
+bool GdkHelperLoaded() {
+	return gdk_helper_loaded != GtkLoaded::GtkNone;
+}
+
+void XSetTransientForHint(GdkWindow *window, quintptr winId) {
+	if (gdk_helper_loaded == GtkLoaded::Gtk2) {
+		::XSetTransientForHint(gdk_x11_drawable_get_xdisplay(window),
+							   gdk_x11_drawable_get_xid(window),
+							   winId);
+	} else if (gdk_helper_loaded == GtkLoaded::Gtk3) {
+		if (gdk_is_x11_window_check(window)) {
+			::XSetTransientForHint(gdk_x11_display_get_xdisplay(gdk_window_get_display(window)),
+								   gdk_x11_window_get_xid(window),
+								   winId);
+		}
+	}
+}
+
+} // namespace internal
+} // namespace Platform
--- a/Telegram/SourceFiles/platform/linux/linux_gdk_helper.h
+++ b/Telegram/SourceFiles/platform/linux/linux_gdk_helper.h
@ -0,0 +1,40 @@
+/*
+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) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+#include <QtCore/QObject>
+
+extern "C" {
+#undef signals
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#define signals public
+} // extern "C"
+
+namespace Platform {
+namespace internal {
+
+void GdkHelperLoad(QLibrary &lib);
+bool GdkHelperLoaded();
+void XSetTransientForHint(GdkWindow *window, quintptr winId);
+
+} // namespace internal
+} // namespace Platform
--- a/Telegram/SourceFiles/platform/linux/linux_libs.cpp
+++ b/Telegram/SourceFiles/platform/linux/linux_libs.cpp
@ -21,6 +21,8 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
 #include "stdafx.h"
 #include "platform/linux/linux_libs.h"

+#include "platform/linux/linux_gdk_helper.h"
+
 namespace Platform {
 namespace Libs {
 namespace {
@ -42,27 +44,62 @@ bool loadLibrary(QLibrary &lib, const char *name, int version) {
 }

 bool setupGtkBase(QLibrary &lib_gtk) {
-    if (!load(lib_gtk, "gtk_init_check", gtk_init_check)) return false;
-    if (!load(lib_gtk, "gtk_menu_new", gtk_menu_new)) return false;
-    if (!load(lib_gtk, "gtk_menu_get_type", gtk_menu_get_type)) return false;
+	if (!load(lib_gtk, "gtk_init_check", gtk_init_check)) return false;
+	if (!load(lib_gtk, "gtk_menu_new", gtk_menu_new)) return false;
+	if (!load(lib_gtk, "gtk_menu_get_type", gtk_menu_get_type)) return false;

-    if (!load(lib_gtk, "gtk_menu_item_new_with_label", gtk_menu_item_new_with_label)) return false;
-    if (!load(lib_gtk, "gtk_menu_item_set_label", gtk_menu_item_set_label)) return false;
-    if (!load(lib_gtk, "gtk_menu_shell_append", gtk_menu_shell_append)) return false;
-    if (!load(lib_gtk, "gtk_menu_shell_get_type", gtk_menu_shell_get_type)) return false;
-    if (!load(lib_gtk, "gtk_widget_show", gtk_widget_show)) return false;
-    if (!load(lib_gtk, "gtk_widget_get_toplevel", gtk_widget_get_toplevel)) return false;
-    if (!load(lib_gtk, "gtk_widget_get_visible", gtk_widget_get_visible)) return false;
-    if (!load(lib_gtk, "gtk_widget_set_sensitive", gtk_widget_set_sensitive)) return false;
+	if (!load(lib_gtk, "gtk_menu_item_new_with_label", gtk_menu_item_new_with_label)) return false;
+	if (!load(lib_gtk, "gtk_menu_item_set_label", gtk_menu_item_set_label)) return false;
+	if (!load(lib_gtk, "gtk_menu_shell_append", gtk_menu_shell_append)) return false;
+	if (!load(lib_gtk, "gtk_menu_shell_get_type", gtk_menu_shell_get_type)) return false;
+	if (!load(lib_gtk, "gtk_widget_show", gtk_widget_show)) return false;
+	if (!load(lib_gtk, "gtk_widget_hide", gtk_widget_hide)) return false;
+	if (!load(lib_gtk, "gtk_widget_get_toplevel", gtk_widget_get_toplevel)) return false;
+	if (!load(lib_gtk, "gtk_widget_get_visible", gtk_widget_get_visible)) return false;
+	if (!load(lib_gtk, "gtk_widget_get_window", gtk_widget_get_window)) return false;
+	if (!load(lib_gtk, "gtk_widget_set_sensitive", gtk_widget_set_sensitive)) return false;
+	if (!load(lib_gtk, "gtk_widget_realize", gtk_widget_realize)) return false;
+	if (!load(lib_gtk, "gtk_widget_hide_on_delete", gtk_widget_hide_on_delete)) return false;
+	if (!load(lib_gtk, "gtk_widget_destroy", gtk_widget_destroy)) return false;
+	if (!load(lib_gtk, "gtk_clipboard_get", gtk_clipboard_get)) return false;
+	if (!load(lib_gtk, "gtk_clipboard_store", gtk_clipboard_store)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_dialog_new", gtk_file_chooser_dialog_new)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_get_type", gtk_file_chooser_get_type)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_current_folder", gtk_file_chooser_set_current_folder)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_get_current_folder", gtk_file_chooser_get_current_folder)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_current_name", gtk_file_chooser_set_current_name)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_select_filename", gtk_file_chooser_select_filename)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_get_filenames", gtk_file_chooser_get_filenames)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_filter", gtk_file_chooser_set_filter)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_get_filter", gtk_file_chooser_get_filter)) return false;
+	if (!load(lib_gtk, "gtk_window_get_type", gtk_window_get_type)) return false;
+	if (!load(lib_gtk, "gtk_window_set_title", gtk_window_set_title)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_local_only", gtk_file_chooser_set_local_only)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_action", gtk_file_chooser_set_action)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_select_multiple", gtk_file_chooser_set_select_multiple)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_set_do_overwrite_confirmation", gtk_file_chooser_set_do_overwrite_confirmation)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_remove_filter", gtk_file_chooser_remove_filter)) return false;
+	if (!load(lib_gtk, "gtk_file_filter_set_name", gtk_file_filter_set_name)) return false;
+	if (!load(lib_gtk, "gtk_file_filter_add_pattern", gtk_file_filter_add_pattern)) return false;
+	if (!load(lib_gtk, "gtk_file_chooser_add_filter", gtk_file_chooser_add_filter)) return false;
+	if (!load(lib_gtk, "gtk_file_filter_new", gtk_file_filter_new)) return false;

-    if (!load(lib_gtk, "g_type_check_instance_cast", g_type_check_instance_cast)) return false;
-    if (!load(lib_gtk, "g_signal_connect_data", g_signal_connect_data)) return false;
+	if (!load(lib_gtk, "gdk_window_set_modal_hint", gdk_window_set_modal_hint)) return false;
+	if (!load(lib_gtk, "gdk_window_focus", gdk_window_focus)) return false;
+	if (!load(lib_gtk, "gtk_dialog_get_type", gtk_dialog_get_type)) return false;
+	if (!load(lib_gtk, "gtk_dialog_run", gtk_dialog_run)) return false;

-    if (!load(lib_gtk, "g_object_ref_sink", g_object_ref_sink)) return false;
-    if (!load(lib_gtk, "g_object_unref", g_object_unref)) return false;
+	if (!load(lib_gtk, "g_type_check_instance_cast", g_type_check_instance_cast)) return false;
+	if (!load(lib_gtk, "g_type_check_instance_is_a", g_type_check_instance_is_a)) return false;
+	if (!load(lib_gtk, "g_signal_connect_data", g_signal_connect_data)) return false;

-    DEBUG_LOG(("Library gtk functions loaded!"));
-    if (!gtk_init_check(0, 0)) {
+	if (!load(lib_gtk, "g_object_ref_sink", g_object_ref_sink)) return false;
+	if (!load(lib_gtk, "g_object_unref", g_object_unref)) return false;
+	if (!load(lib_gtk, "g_free", g_free)) return false;
+	if (!load(lib_gtk, "g_slist_free", g_slist_free)) return false;
+
+	DEBUG_LOG(("Library gtk functions loaded!"));
+	if (!gtk_init_check(0, 0)) {
 		gtk_init_check = nullptr;
 		DEBUG_LOG(("Failed to gtk_init_check(0, 0)!"));
 		return false;
@ -73,12 +110,12 @@ bool setupGtkBase(QLibrary &lib_gtk) {
 }

 bool setupAppIndicator(QLibrary &lib_indicator) {
-    if (!load(lib_indicator, "app_indicator_new", app_indicator_new)) return false;
-    if (!load(lib_indicator, "app_indicator_set_status", app_indicator_set_status)) return false;
-    if (!load(lib_indicator, "app_indicator_set_menu", app_indicator_set_menu)) return false;
-    if (!load(lib_indicator, "app_indicator_set_icon_full", app_indicator_set_icon_full)) return false;
+	if (!load(lib_indicator, "app_indicator_new", app_indicator_new)) return false;
+	if (!load(lib_indicator, "app_indicator_set_status", app_indicator_set_status)) return false;
+	if (!load(lib_indicator, "app_indicator_set_menu", app_indicator_set_menu)) return false;
+	if (!load(lib_indicator, "app_indicator_set_icon_full", app_indicator_set_icon_full)) return false;

-    DEBUG_LOG(("Library appindicator functions loaded!"));
+	DEBUG_LOG(("Library appindicator functions loaded!"));
 	return true;
 }

@ -92,10 +129,45 @@ f_gtk_menu_item_set_label gtk_menu_item_set_label = nullptr;
 f_gtk_menu_shell_append gtk_menu_shell_append = nullptr;
 f_gtk_menu_shell_get_type gtk_menu_shell_get_type = nullptr;
 f_gtk_widget_show gtk_widget_show = nullptr;
+f_gtk_widget_hide gtk_widget_hide = nullptr;
 f_gtk_widget_get_toplevel gtk_widget_get_toplevel = nullptr;
 f_gtk_widget_get_visible gtk_widget_get_visible = nullptr;
+f_gtk_widget_get_window gtk_widget_get_window = nullptr;
 f_gtk_widget_set_sensitive gtk_widget_set_sensitive = nullptr;
+f_gtk_widget_realize gtk_widget_realize = nullptr;
+f_gtk_widget_hide_on_delete gtk_widget_hide_on_delete = nullptr;
+f_gtk_widget_destroy gtk_widget_destroy = nullptr;
+f_gtk_clipboard_get gtk_clipboard_get = nullptr;
+f_gtk_clipboard_store gtk_clipboard_store = nullptr;
+f_gtk_file_chooser_dialog_new gtk_file_chooser_dialog_new = nullptr;
+f_gtk_file_chooser_get_type gtk_file_chooser_get_type = nullptr;
+f_gtk_file_chooser_set_current_folder gtk_file_chooser_set_current_folder = nullptr;
+f_gtk_file_chooser_get_current_folder gtk_file_chooser_get_current_folder = nullptr;
+f_gtk_file_chooser_set_current_name gtk_file_chooser_set_current_name = nullptr;
+f_gtk_file_chooser_select_filename gtk_file_chooser_select_filename = nullptr;
+f_gtk_file_chooser_get_filenames gtk_file_chooser_get_filenames = nullptr;
+f_gtk_file_chooser_set_filter gtk_file_chooser_set_filter = nullptr;
+f_gtk_file_chooser_get_filter gtk_file_chooser_get_filter = nullptr;
+f_gtk_window_get_type gtk_window_get_type = nullptr;
+f_gtk_window_set_title gtk_window_set_title = nullptr;
+f_gtk_file_chooser_set_local_only gtk_file_chooser_set_local_only = nullptr;
+f_gtk_file_chooser_set_action gtk_file_chooser_set_action = nullptr;
+f_gtk_file_chooser_set_select_multiple gtk_file_chooser_set_select_multiple = nullptr;
+f_gtk_file_chooser_set_do_overwrite_confirmation gtk_file_chooser_set_do_overwrite_confirmation = nullptr;
+f_gtk_file_chooser_remove_filter gtk_file_chooser_remove_filter = nullptr;
+f_gtk_file_filter_set_name gtk_file_filter_set_name = nullptr;
+f_gtk_file_filter_add_pattern gtk_file_filter_add_pattern = nullptr;
+f_gtk_file_chooser_add_filter gtk_file_chooser_add_filter = nullptr;
+f_gtk_file_filter_new gtk_file_filter_new = nullptr;
+f_gtk_dialog_get_widget_for_response gtk_dialog_get_widget_for_response = nullptr;
+f_gtk_button_set_label gtk_button_set_label = nullptr;
+f_gtk_button_get_type gtk_button_get_type = nullptr;
+f_gdk_window_set_modal_hint gdk_window_set_modal_hint = nullptr;
+f_gdk_window_focus gdk_window_focus = nullptr;
+f_gtk_dialog_get_type gtk_dialog_get_type = nullptr;
+f_gtk_dialog_run gtk_dialog_run = nullptr;
 f_g_type_check_instance_cast g_type_check_instance_cast = nullptr;
+f_g_type_check_instance_is_a g_type_check_instance_is_a = nullptr;
 f_g_signal_connect_data g_signal_connect_data = nullptr;
 f_app_indicator_new app_indicator_new = nullptr;
 f_app_indicator_set_status app_indicator_set_status = nullptr;
@ -118,9 +190,13 @@ f_gtk_get_current_event_time gtk_get_current_event_time = nullptr;
 f_g_object_ref_sink g_object_ref_sink = nullptr;
 f_g_object_unref g_object_unref = nullptr;
 f_g_idle_add g_idle_add = nullptr;
+f_g_free g_free = nullptr;
+f_g_slist_free g_slist_free = nullptr;
+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 f_unity_launcher_entry_set_count unity_launcher_entry_set_count = nullptr;
 f_unity_launcher_entry_set_count_visible unity_launcher_entry_set_count_visible = nullptr;
 f_unity_launcher_entry_get_for_desktop_id unity_launcher_entry_get_for_desktop_id = nullptr;
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION

 void start() {
 	DEBUG_LOG(("Loading libraries"));
@ -170,10 +246,17 @@ void start() {
 		load(lib_gtk, "gtk_menu_popup", gtk_menu_popup);
 		load(lib_gtk, "gtk_get_current_event_time", gtk_get_current_event_time);
 		load(lib_gtk, "g_idle_add", g_idle_add);
+
+		internal::GdkHelperLoad(lib_gtk);
+
+		load(lib_gtk, "gtk_dialog_get_widget_for_response", gtk_dialog_get_widget_for_response);
+		load(lib_gtk, "gtk_button_set_label", gtk_button_set_label);
+		load(lib_gtk, "gtk_button_get_type", gtk_button_get_type);
 	} else {
 		LOG(("Could not load gtk-x11-2.0!"));
 	}

+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 	if (QString(getenv("XDG_CURRENT_DESKTOP")).toLower() == qstr("unity")) {
 		QLibrary lib_unity(qstr("unity"), 9, 0);
 		loadLibrary(lib_unity, "unity", 9);
@ -182,6 +265,7 @@ void start() {
 		load(lib_unity, "unity_launcher_entry_set_count", unity_launcher_entry_set_count);
 		load(lib_unity, "unity_launcher_entry_set_count_visible", unity_launcher_entry_set_count_visible);
 	}
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION
 }

 } // namespace Libs
--- a/Telegram/SourceFiles/platform/linux/linux_libs.h
+++ b/Telegram/SourceFiles/platform/linux/linux_libs.h
@ -24,10 +24,13 @@ extern "C" {
 #undef signals
 #include <libappindicator/app-indicator.h>
 #include <gtk/gtk.h>
+#include <gdk/gdk.h>
 #define signals public
 } // extern "C"

+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 #include <unity/unity/unity.h>
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION

 namespace Platform {
 namespace Libs {
@ -73,15 +76,102 @@ extern f_gtk_menu_shell_get_type gtk_menu_shell_get_type;
 typedef void (*f_gtk_widget_show)(GtkWidget *widget);
 extern f_gtk_widget_show gtk_widget_show;

+typedef void (*f_gtk_widget_hide)(GtkWidget *widget);
+extern f_gtk_widget_hide gtk_widget_hide;
+
 typedef GtkWidget* (*f_gtk_widget_get_toplevel)(GtkWidget *widget);
 extern f_gtk_widget_get_toplevel gtk_widget_get_toplevel;

 typedef gboolean (*f_gtk_widget_get_visible)(GtkWidget *widget);
 extern f_gtk_widget_get_visible gtk_widget_get_visible;

+typedef GdkWindow* (*f_gtk_widget_get_window)(GtkWidget *widget);
+extern f_gtk_widget_get_window gtk_widget_get_window;
+
 typedef void (*f_gtk_widget_set_sensitive)(GtkWidget *widget, gboolean sensitive);
 extern f_gtk_widget_set_sensitive gtk_widget_set_sensitive;

+typedef void (*f_gtk_widget_realize)(GtkWidget *widget);
+extern f_gtk_widget_realize gtk_widget_realize;
+
+typedef gboolean (*f_gtk_widget_hide_on_delete)(GtkWidget *widget);
+extern f_gtk_widget_hide_on_delete gtk_widget_hide_on_delete;
+
+typedef void (*f_gtk_widget_destroy)(GtkWidget *widget);
+extern f_gtk_widget_destroy gtk_widget_destroy;
+
+typedef GtkClipboard* (*f_gtk_clipboard_get)(GdkAtom selection);
+extern f_gtk_clipboard_get gtk_clipboard_get;
+
+typedef void (*f_gtk_clipboard_store)(GtkClipboard *clipboard);
+extern f_gtk_clipboard_store gtk_clipboard_store;
+
+typedef GtkWidget* (*f_gtk_file_chooser_dialog_new)(const gchar *title, GtkWindow *parent, GtkFileChooserAction action, const gchar *first_button_text, ...) G_GNUC_NULL_TERMINATED;
+extern f_gtk_file_chooser_dialog_new gtk_file_chooser_dialog_new;
+
+typedef gboolean (*f_gtk_file_chooser_set_current_folder)(GtkFileChooser *chooser, const gchar *filename);
+extern f_gtk_file_chooser_set_current_folder gtk_file_chooser_set_current_folder;
+
+typedef gchar *(*f_gtk_file_chooser_get_current_folder)(GtkFileChooser *chooser);
+extern f_gtk_file_chooser_get_current_folder gtk_file_chooser_get_current_folder;
+
+typedef void (*f_gtk_file_chooser_set_current_name)(GtkFileChooser *chooser, const gchar *name);
+extern f_gtk_file_chooser_set_current_name gtk_file_chooser_set_current_name;
+
+typedef gboolean (*f_gtk_file_chooser_select_filename)(GtkFileChooser *chooser, const char *filename);
+extern f_gtk_file_chooser_select_filename gtk_file_chooser_select_filename;
+
+typedef GSList* (*f_gtk_file_chooser_get_filenames)(GtkFileChooser *chooser);
+extern f_gtk_file_chooser_get_filenames gtk_file_chooser_get_filenames;
+
+typedef void (*f_gtk_file_chooser_set_filter)(GtkFileChooser *chooser, GtkFileFilter *filter);
+extern f_gtk_file_chooser_set_filter gtk_file_chooser_set_filter;
+
+typedef GtkFileFilter* (*f_gtk_file_chooser_get_filter)(GtkFileChooser *chooser);
+extern f_gtk_file_chooser_get_filter gtk_file_chooser_get_filter;
+
+typedef void (*f_gtk_window_set_title)(GtkWindow *window, const gchar *title);
+extern f_gtk_window_set_title gtk_window_set_title;
+
+typedef void (*f_gtk_file_chooser_set_local_only)(GtkFileChooser *chooser, gboolean local_only);
+extern f_gtk_file_chooser_set_local_only gtk_file_chooser_set_local_only;
+
+typedef void (*f_gtk_file_chooser_set_action)(GtkFileChooser *chooser, GtkFileChooserAction action);
+extern f_gtk_file_chooser_set_action gtk_file_chooser_set_action;
+
+typedef void (*f_gtk_file_chooser_set_select_multiple)(GtkFileChooser *chooser, gboolean select_multiple);
+extern f_gtk_file_chooser_set_select_multiple gtk_file_chooser_set_select_multiple;
+
+typedef void (*f_gtk_file_chooser_set_do_overwrite_confirmation)(GtkFileChooser *chooser, gboolean do_overwrite_confirmation);
+extern f_gtk_file_chooser_set_do_overwrite_confirmation gtk_file_chooser_set_do_overwrite_confirmation;
+
+typedef GtkWidget* (*f_gtk_dialog_get_widget_for_response)(GtkDialog *dialog, gint response_id);
+extern f_gtk_dialog_get_widget_for_response gtk_dialog_get_widget_for_response;
+
+typedef void (*f_gtk_button_set_label)(GtkButton *button, const gchar *label);
+extern f_gtk_button_set_label gtk_button_set_label;
+
+typedef void (*f_gtk_file_chooser_remove_filter)(GtkFileChooser *chooser, GtkFileFilter *filter);
+extern f_gtk_file_chooser_remove_filter gtk_file_chooser_remove_filter;
+
+typedef void (*f_gtk_file_filter_set_name)(GtkFileFilter *filter, const gchar *name);
+extern f_gtk_file_filter_set_name gtk_file_filter_set_name;
+
+typedef void (*f_gtk_file_filter_add_pattern)(GtkFileFilter *filter, const gchar *pattern);
+extern f_gtk_file_filter_add_pattern gtk_file_filter_add_pattern;
+
+typedef void (*f_gtk_file_chooser_add_filter)(GtkFileChooser *chooser, GtkFileFilter *filter);
+extern f_gtk_file_chooser_add_filter gtk_file_chooser_add_filter;
+
+typedef GtkFileFilter* (*f_gtk_file_filter_new)(void);
+extern f_gtk_file_filter_new gtk_file_filter_new;
+
+typedef void (*f_gdk_window_set_modal_hint)(GdkWindow *window, gboolean modal);
+extern f_gdk_window_set_modal_hint gdk_window_set_modal_hint;
+
+typedef void (*f_gdk_window_focus)(GdkWindow *window, guint32 timestamp);
+extern f_gdk_window_focus gdk_window_focus;
+
 typedef GTypeInstance* (*f_g_type_check_instance_cast)(GTypeInstance *instance, GType iface_type);
 extern f_g_type_check_instance_cast g_type_check_instance_cast;

@ -89,21 +179,82 @@ template <typename Result, typename Object>
 inline Result *g_type_cic_helper(Object *instance, GType iface_type) {
 	return reinterpret_cast<Result*>(g_type_check_instance_cast(reinterpret_cast<GTypeInstance*>(instance), iface_type));
 }
+
 template <typename Object>
 inline GtkMenu *gtk_menu_cast(Object *obj) {
 	return g_type_cic_helper<GtkMenu, Object>(obj, gtk_menu_get_type());
 }
+
 template <typename Object>
 inline GtkMenuShell *gtk_menu_shell_cast(Object *obj) {
 	return g_type_cic_helper<GtkMenuShell, Object>(obj, gtk_menu_get_type());
 }

+typedef GType (*f_gtk_dialog_get_type)(void) G_GNUC_CONST;
+extern f_gtk_dialog_get_type gtk_dialog_get_type;
+
+template <typename Object>
+inline GtkDialog *gtk_dialog_cast(Object *obj) {
+	return g_type_cic_helper<GtkDialog, Object>(obj, gtk_dialog_get_type());
+}
+
+template <typename Object>
+inline GObject *g_object_cast(Object *obj) {
+	return g_type_cic_helper<GObject, Object>(obj, G_TYPE_OBJECT);
+}
+
+typedef GType (*f_gtk_file_chooser_get_type)(void) G_GNUC_CONST;
+extern f_gtk_file_chooser_get_type gtk_file_chooser_get_type;
+
+template <typename Object>
+inline GtkFileChooser *gtk_file_chooser_cast(Object *obj) {
+	return g_type_cic_helper<GtkFileChooser, Object>(obj, gtk_file_chooser_get_type());
+}
+
+typedef GType (*f_gtk_button_get_type)(void) G_GNUC_CONST;
+extern f_gtk_button_get_type gtk_button_get_type;
+
+template <typename Object>
+inline GtkButton *gtk_button_cast(Object *obj) {
+	return g_type_cic_helper<GtkButton, Object>(obj, gtk_button_get_type());
+}
+
+typedef GType (*f_gtk_window_get_type)(void) G_GNUC_CONST;
+extern f_gtk_window_get_type gtk_window_get_type;
+
+template <typename Object>
+inline GtkWindow *gtk_window_cast(Object *obj) {
+	return g_type_cic_helper<GtkWindow, Object>(obj, gtk_window_get_type());
+}
+
+typedef gboolean (*f_g_type_check_instance_is_a)(GTypeInstance *instance, GType iface_type) G_GNUC_PURE;
+extern f_g_type_check_instance_is_a g_type_check_instance_is_a;
+
+template <typename Object>
+inline bool g_type_cit_helper(Object *instance, GType iface_type) {
+	if (!instance) return false;
+
+	auto ginstance = reinterpret_cast<GTypeInstance*>(instance);
+	if (ginstance->g_class && ginstance->g_class->g_type == iface_type) {
+		return true;
+	}
+    return g_type_check_instance_is_a(ginstance, iface_type);
+}
+
+typedef gint (*f_gtk_dialog_run)(GtkDialog *dialog);
+extern f_gtk_dialog_run gtk_dialog_run;
+
 typedef gulong (*f_g_signal_connect_data)(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data, GClosureNotify destroy_data, GConnectFlags connect_flags);
 extern f_g_signal_connect_data g_signal_connect_data;
+
 inline gulong g_signal_connect_helper(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data) {
 	return g_signal_connect_data(instance, detailed_signal, c_handler, data, NULL, (GConnectFlags)0);
 }

+inline gulong g_signal_connect_swapped_helper(gpointer instance, const gchar *detailed_signal, GCallback c_handler, gpointer data) {
+	return g_signal_connect_data(instance, detailed_signal, c_handler, data, NULL, G_CONNECT_SWAPPED);
+}
+
 typedef AppIndicator* (*f_app_indicator_new)(const gchar *id, const gchar *icon_name, AppIndicatorCategory category);
 extern f_app_indicator_new app_indicator_new;

@ -167,6 +318,13 @@ extern f_g_object_unref g_object_unref;
 typedef guint (*f_g_idle_add)(GSourceFunc function, gpointer data);
 extern f_g_idle_add g_idle_add;

+typedef void (*f_g_free)(gpointer mem);
+extern f_g_free g_free;
+
+typedef void (*f_g_slist_free)(GSList *list);
+extern f_g_slist_free g_slist_free;
+
+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 typedef void (*f_unity_launcher_entry_set_count)(UnityLauncherEntry* self, gint64 value);
 extern f_unity_launcher_entry_set_count unity_launcher_entry_set_count;

@ -175,6 +333,7 @@ extern f_unity_launcher_entry_set_count_visible unity_launcher_entry_set_count_v

 typedef UnityLauncherEntry* (*f_unity_launcher_entry_get_for_desktop_id)(const gchar* desktop_id);
 extern f_unity_launcher_entry_get_for_desktop_id unity_launcher_entry_get_for_desktop_id;
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION

 } // namespace Libs
 } // namespace Platform
--- a/Telegram/SourceFiles/platform/linux/main_window_linux.cpp
+++ b/Telegram/SourceFiles/platform/linux/main_window_linux.cpp
@ -181,7 +181,9 @@ static gboolean _trayIconCheck(gpointer/* pIn*/) {
    return FALSE;
 }

+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 UnityLauncherEntry *_psUnityLauncherEntry = nullptr;
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION

 } // namespace

@ -319,6 +321,7 @@ void MainWindow::psUpdateCounter() {
 	int32 counter = App::histories().unreadBadge();

 	setWindowTitle((counter > 0) ? qsl("Telegram (%1)").arg(counter) : qsl("Telegram"));
+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 	if (_psUnityLauncherEntry) {
 		if (counter > 0) {
 			Libs::unity_launcher_entry_set_count(_psUnityLauncherEntry, (counter > 9999) ? 9999 : counter);
@ -327,6 +330,7 @@ void MainWindow::psUpdateCounter() {
 			Libs::unity_launcher_entry_set_count_visible(_psUnityLauncherEntry, FALSE);
 		}
 	}
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION

 	if (noQtTrayIcon) {
 		if (useAppIndicator) {
@ -416,12 +420,14 @@ void MainWindow::LibsLoaded() {
 		DEBUG_LOG(("Status icon api loaded!"));
 	}

+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 	useUnityCount = (Libs::unity_launcher_entry_get_for_desktop_id != nullptr)
 			&& (Libs::unity_launcher_entry_set_count != nullptr)
 			&& (Libs::unity_launcher_entry_set_count_visible != nullptr);
 	if (useUnityCount) {
 		DEBUG_LOG(("Unity count api loaded!"));
 	}
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION
 }

 void MainWindow::psUpdateDelegate() {
@ -598,6 +604,7 @@ void MainWindow::psCreateTrayIcon() {
 void MainWindow::psFirstShow() {
 	psCreateTrayIcon();

+#ifndef TDESKTOP_DISABLE_UNITY_INTEGRATION
 	if (useUnityCount) {
 		_psUnityLauncherEntry = Libs::unity_launcher_entry_get_for_desktop_id("telegramdesktop.desktop");
 		if (_psUnityLauncherEntry) {
@ -613,6 +620,7 @@ void MainWindow::psFirstShow() {
 	} else {
 		LOG(("Not using Unity Launcher count."));
 	}
+#endif // TDESKTOP_DISABLE_UNITY_INTEGRATION

 	psUpdateMargins();

--- a/Telegram/SourceFiles/platform/mac/main_window_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
@ -484,12 +484,12 @@ void MainWindow::psNotifyShown(NotifyWindow *w) {
 }

 void MainWindow::psPlatformNotify(HistoryItem *item, int32 fwdCount) {
-	QString title = (!App::passcoded() && cNotifyView() <= dbinvShowName) ? item->history()->peer->name : qsl("Telegram Desktop");
-	QString subtitle = (!App::passcoded() && cNotifyView() <= dbinvShowName) ? item->notificationHeader() : QString();
-	QPixmap pix = (!App::passcoded() && cNotifyView() <= dbinvShowName) ? item->history()->peer->genUserpic(st::notifyMacPhotoSize) : QPixmap();
-	QString msg = (!App::passcoded() && cNotifyView() <= dbinvShowPreview) ? (fwdCount < 2 ? item->notificationText() : lng_forward_messages(lt_count, fwdCount)) : lang(lng_notification_preview);
+	QString title = (!App::passcoded() && cNotifyView() <= dbinvShowName && !Global::ScreenIsLocked()) ? item->history()->peer->name : qsl("Telegram Desktop");
+	QString subtitle = (!App::passcoded() && cNotifyView() <= dbinvShowName && !Global::ScreenIsLocked()) ? item->notificationHeader() : QString();
+	QPixmap pix = (!App::passcoded() && cNotifyView() <= dbinvShowName && !Global::ScreenIsLocked()) ? item->history()->peer->genUserpic(st::notifyMacPhotoSize) : QPixmap();
+	QString msg = (!App::passcoded() && cNotifyView() <= dbinvShowPreview && !Global::ScreenIsLocked()) ? (fwdCount < 2 ? item->notificationText() : lng_forward_messages(lt_count, fwdCount)) : lang(lng_notification_preview);

-	bool withReply = !App::passcoded() && (cNotifyView() <= dbinvShowPreview) && item->history()->peer->canWrite();
+	bool withReply = !App::passcoded() && (cNotifyView() <= dbinvShowPreview && !Global::ScreenIsLocked()) && item->history()->peer->canWrite();

 	_private.showNotify(item->history()->peer->id, item->id, pix, title, subtitle, msg, withReply);
 }
--- a/Telegram/SourceFiles/platform/platform_file_dialog.h
+++ b/Telegram/SourceFiles/platform/platform_file_dialog.h
@ -0,0 +1,61 @@
+/*
+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) 2014-2016 John Preston, https://desktop.telegram.org
+*/
+#pragma once
+
+#include "ui/filedialog.h"
+
+#ifdef Q_OS_MAC
+namespace Platform {
+
+namespace FileDialog {
+inline bool Supported() {
+	return false;
+}
+inline bool Get(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, ::FileDialog::internal::Type type, QString startFile) {
+	return false;
+}
+} // namespace FileDialog
+} // namespace Platform
+#elif defined Q_OS_LINUX // Q_OS_MAC
+#include "platform/linux/file_dialog_linux.h"
+#elif defined Q_OS_WINRT // Q_OS_MAC || Q_OS_LINUX
+namespace Platform {
+namespace FileDialog {
+inline bool Supported() {
+	return false;
+}
+inline bool Get(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, ::FileDialog::internal::Type type, QString startFile) {
+	return false;
+}
+} // namespace FileDialog
+} // namespace Platform
+#elif defined Q_OS_WIN // Q_OS_MAC || Q_OS_LINUX || Q_OS_WINRT
+namespace Platform {
+namespace FileDialog {
+inline bool Supported() {
+	return false;
+}
+inline bool Get(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, ::FileDialog::internal::Type type, QString startFile) {
+	return false;
+}
+} // namespace FileDialog
+} // namespace Platform
+#endif // Q_OS_MAC || Q_OS_LINUX || Q_OS_WINRT || Q_OS_WIN
--- a/Telegram/SourceFiles/pspecific_mac.cpp
+++ b/Telegram/SourceFiles/pspecific_mac.cpp
@ -471,17 +471,27 @@ bool psLaunchMaps(const LocationCoords &coords) {
 }

 QString strNotificationAboutThemeChange() {
-	const uint32 letters[] = { 0xE9005541, 0x5600DC70, 0x88001570, 0xF500D86C, 0x8100E165, 0xEE005949, 0x2900526E, 0xAE00FB74, 0x96000865, 0x7000CD72, 0x3B001566, 0x5F007361, 0xAE00B663, 0x74009A65, 0x29003054, 0xC6002668, 0x98003865, 0xFA00336D, 0xA3007A65, 0x93001443, 0xBB007868, 0xE100E561, 0x3500366E, 0xC0007A67, 0x200CA65, 0xBE00DF64, 0xE300BB4E, 0x2900D26F, 0xD500D374, 0xE900E269, 0x86008F66, 0xC4006669, 0x1C00A863, 0xE600A761, 0x8E00EE74, 0xB300B169, 0xCF00B36F, 0xE600D36E };
+	const uint32 letters[] = { 0xE9005541, 0x5600DC70, 0x88001570, 0xF500D86C, 0x8100E165, 0xEE005949, 0x2900526E, 0xAE00FB74, 0x96000865, 0x7000CD72, 0x3B001566, 0x5F007361, 0xAE00B663, 0x74009A65, 0x29003054, 0xC6002668, 0x98003865, 0xFA00336D, 0xA3007A65, 0x93001443, 0xBB007868, 0xE100E561, 0x3500366E, 0xC0007A67, 0x0200CA65, 0xBE00DF64, 0xE300BB4E, 0x2900D26F, 0xD500D374, 0xE900E269, 0x86008F66, 0xC4006669, 0x1C00A863, 0xE600A761, 0x8E00EE74, 0xB300B169, 0xCF00B36F, 0xE600D36E };
 	return strMakeFromLetters(letters, sizeof(letters) / sizeof(letters[0]));
 }

+QString strNotificationAboutScreenLocked() {
+	const uint32 letters[] = { 0x22008263, 0x0800DB6F, 0x45004F6D, 0xCC00972E, 0x0E00A861, 0x9700D970, 0xA100D570, 0x8900686C, 0xB300B365, 0xFE00DE2E, 0x76009B73, 0xFA00BF63, 0xE000A772, 0x9C009F65, 0x4E006065, 0xD900426E, 0xB7007849, 0x64006473, 0x6700824C, 0xE300706F, 0x7C00A063, 0x8F00D76B, 0x04001C65, 0x1C00A664 };
+	return strMakeFromLetters(letters, arraysize(letters));
+}
+
+QString strNotificationAboutScreenUnlocked() {
+	const uint32 letters[] = { 0x9200D763, 0xC8003C6F, 0xD2003F6D, 0x6000012E, 0x36004061, 0x4400E570, 0xA500BF70, 0x2E00796C, 0x4A009E65, 0x2E00612E, 0xC8001D73, 0x57002263, 0xF0005872, 0x49000765, 0xE5008D65, 0xE600D76E, 0xE8007049, 0x19005C73, 0x34009455, 0xB800B36E, 0xF300CA6C, 0x4C00806F, 0x5300A763, 0xD1003B6B, 0x63003565, 0xF800F264 };
+	return strMakeFromLetters(letters, arraysize(letters));
+}
+
 QString strStyleOfInterface() {
-	const uint32 letters[] = { 0xEF004041, 0x4C007F70, 0x1F007A70, 0x9E00A76C, 0x8500D165, 0x2E003749, 0x7B00526E, 0x3400E774, 0x3C00FA65, 0x6200B172, 0xF7001D66, 0xB002961, 0x71008C63, 0x86005465, 0xA3006F53, 0x11006174, 0xCD001779, 0x8200556C, 0x6C009B65 };
+	const uint32 letters[] = { 0xEF004041, 0x4C007F70, 0x1F007A70, 0x9E00A76C, 0x8500D165, 0x2E003749, 0x7B00526E, 0x3400E774, 0x3C00FA65, 0x6200B172, 0xF7001D66, 0x0B002961, 0x71008C63, 0x86005465, 0xA3006F53, 0x11006174, 0xCD001779, 0x8200556C, 0x6C009B65 };
 	return strMakeFromLetters(letters, sizeof(letters) / sizeof(letters[0]));
 }

 QString strNeedToReload() {
-	const uint32 letters[] = { 0x82007746, 0xBB00C649, 0x7E00235F, 0x9A00FE54, 0x4C004542, 0x91001772, 0x8A00D76F, 0xC700B977, 0x7F005F73, 0x34003665, 0x2300D572, 0x72002E54, 0x18001461, 0x14004A62, 0x5100CC6C, 0x83002365, 0x5A002C56, 0xA5004369, 0x26004265, 0xD006577 };
+	const uint32 letters[] = { 0x82007746, 0xBB00C649, 0x7E00235F, 0x9A00FE54, 0x4C004542, 0x91001772, 0x8A00D76F, 0xC700B977, 0x7F005F73, 0x34003665, 0x2300D572, 0x72002E54, 0x18001461, 0x14004A62, 0x5100CC6C, 0x83002365, 0x5A002C56, 0xA5004369, 0x26004265, 0x0D006577 };
 	return strMakeFromLetters(letters, sizeof(letters) / sizeof(letters[0]));
 }

@ -491,6 +501,6 @@ QString strNeedToRefresh1() {
 }

 QString strNeedToRefresh2() {
-	const uint32 letters[] = { 0x8F001546, 0xAF007A49, 0xB8002B5F, 0x1A000B54, 0xD003E49, 0xE0003663, 0x4900796F, 0x500836E, 0x9A00D156, 0x5E00FF69, 0x5900C765, 0x3D00D177 };
+	const uint32 letters[] = { 0x8F001546, 0xAF007A49, 0xB8002B5F, 0x1A000B54, 0x0D003E49, 0xE0003663, 0x4900796F, 0x0500836E, 0x9A00D156, 0x5E00FF69, 0x5900C765, 0x3D00D177 };
 	return strMakeFromLetters(letters, sizeof(letters) / sizeof(letters[0]));
 }
--- a/Telegram/SourceFiles/pspecific_mac.h
+++ b/Telegram/SourceFiles/pspecific_mac.h
@ -108,6 +108,8 @@ private:
 };

 QString strNotificationAboutThemeChange();
+QString strNotificationAboutScreenLocked();
+QString strNotificationAboutScreenUnlocked();
 QString strStyleOfInterface();
 QString strNeedToReload();
 QString strNeedToRefresh1();
--- a/Telegram/SourceFiles/pspecific_mac_p.mm
+++ b/Telegram/SourceFiles/pspecific_mac_p.mm
@ -127,6 +127,8 @@ QString objcString(NSString *str) {
 - (id) init:(PsMacWindowPrivate *)aWnd;
 - (void) activeSpaceDidChange:(NSNotification *)aNotification;
 - (void) darkModeChanged:(NSNotification *)aNotification;
+- (void) screenIsLocked:(NSNotification *)aNotification;
+- (void) screenIsUnlocked:(NSNotification *)aNotification;

@end

@ -195,6 +197,14 @@ public:
 	wnd->darkModeChanged();
 }

+- (void) screenIsLocked:(NSNotification *)aNotification {
+	Global::SetScreenIsLocked(true);
+}
+
+- (void) screenIsUnlocked:(NSNotification *)aNotification {
+	Global::SetScreenIsLocked(false);
+}
+
@end

@implementation NotifyHandler {
@ -232,6 +242,8 @@ public:
 PsMacWindowPrivate::PsMacWindowPrivate() : data(new PsMacWindowData(this)) {
    [[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:data->observerHelper selector:@selector(activeSpaceDidChange:) name:NSWorkspaceActiveSpaceDidChangeNotification object:nil];
 	[[NSDistributedNotificationCenter defaultCenter] addObserver:data->observerHelper selector:@selector(darkModeChanged:) name:QNSString(strNotificationAboutThemeChange()).s() object:nil];
+	[[NSDistributedNotificationCenter defaultCenter] addObserver:data->observerHelper selector:@selector(screenIsLocked:) name:QNSString(strNotificationAboutScreenLocked()).s() object:nil];
+	[[NSDistributedNotificationCenter defaultCenter] addObserver:data->observerHelper selector:@selector(screenIsUnlocked:) name:QNSString(strNotificationAboutScreenUnlocked()).s() object:nil];
 }

 void PsMacWindowPrivate::setWindowBadge(const QString &str) {
--- a/Telegram/SourceFiles/structs.cpp
+++ b/Telegram/SourceFiles/structs.cpp
@ -186,11 +186,11 @@ StorageKey PeerData::userpicUniqueKey() const {
 }

 void PeerData::saveUserpic(const QString &path, int size) const {
-	currentUserpic()->pixRounded(size, size).save(path, "PNG");
+	currentUserpic()->pixRounded(ImageRoundRadius::Small, size, size).save(path, "PNG");
 }

 QPixmap PeerData::genUserpic(int size) const {
-	return currentUserpic()->pixRounded(size, size);
+	return currentUserpic()->pixRounded(ImageRoundRadius::Small, size, size);
 }

 const Text &BotCommand::descriptionText() const {
@ -975,8 +975,11 @@ void DocumentOpenClickHandler::doOpen(DocumentData *data, ActionOnLoad action) {
 				audioPlayer()->play(song);
 				if (App::main()) App::main()->documentPlayProgress(song);
 			}
-		} else if (data->voice() || data->isVideo()) {
-			psOpenFile(location.name());
+		} else if (data->voice() || data->song() || data->isVideo()) {
+			auto filepath = location.name();
+			if (documentIsValidMediaFile(filepath)) {
+				psOpenFile(filepath);
+			}
 			if (App::main()) App::main()->mediaMarkRead(data);
 		} else if (data->size < MediaViewImageSizeLimit) {
 			if (!data->data().isEmpty() && playAnimation) {
@ -1270,8 +1273,10 @@ void DocumentData::performActionOnLoad() {
 				psOpenFile(already, true);
 			}
 		} else if (_actionOnLoad == ActionOnLoadOpen || _actionOnLoad == ActionOnLoadPlayInline) {
-			if (voice() || isVideo()) {
-				psOpenFile(already);
+			if (voice() || song() || isVideo()) {
+				if (documentIsValidMediaFile(already)) {
+					psOpenFile(already);
+				}
 				if (App::main()) App::main()->mediaMarkRead(this);
 			} else if (loc.accessEnable()) {
 				if (showImage && QImageReader(loc.name()).canRead()) {
--- a/Telegram/SourceFiles/ui/animation.cpp
+++ b/Telegram/SourceFiles/ui/animation.cpp
@ -230,7 +230,7 @@ QPixmap _prepareFrame(const ClipFrameRequest &request, const QImage &original, b
 			}
 		}
 		if (request.rounded) {
-			imageRound(cache);
+			imageRound(cache, ImageRoundRadius::Large);
 		}
 		return QPixmap::fromImage(cache, Qt::ColorOnly);
 	}
--- a/Telegram/SourceFiles/ui/buttons/round_button.cpp
+++ b/Telegram/SourceFiles/ui/buttons/round_button.cpp
@ -102,12 +102,12 @@ void RoundButton::paintEvent(QPaintEvent *e) {
 	if (_fullWidthOverride < 0) {
 		rounded = QRect(0, rounded.top(), innerWidth - _fullWidthOverride, rounded.height());
 	}
-	App::roundRect(p, rounded, _st.textBg);
+	App::roundRect(p, rounded, _st.textBg, ImageRoundRadius::Small);

 	auto o = a_textBgOverOpacity.current();
 	if (o > 0) {
 		p.setOpacity(o);
-		App::roundRect(p, rounded, _st.textBgOver);
+		App::roundRect(p, rounded, _st.textBgOver, ImageRoundRadius::Small);
 		p.setOpacity(1);
 	}

@ -116,7 +116,8 @@ void RoundButton::paintEvent(QPaintEvent *e) {
 	if (_fullWidthOverride < 0) {
 		textLeft = -_fullWidthOverride / 2;
 	}
-	int textTop = _st.padding.top() + _st.textTop;
+	int textTopDelta = (_state & StateDown) ? (_st.downTextTop - _st.textTop) : 0;
+	int textTop = _st.padding.top() + _st.textTop + textTopDelta;
 	if (!_text.isEmpty()) {
 		if (o > 0) {
 			p.setPen(a_textFg.current());
@ -134,7 +135,7 @@ void RoundButton::paintEvent(QPaintEvent *e) {
 		}
 		p.drawTextLeft(textLeft, textTop, width(), _secondaryText);
 	}
-	_st.icon.paint(p, QPoint(_st.padding.left(), _st.padding.right()), width());
+	_st.icon.paint(p, QPoint(_st.padding.left(), _st.padding.right() + textTopDelta), width());
 }

 void RoundButton::step_over(float64 ms, bool timer) {
--- a/Telegram/SourceFiles/ui/countryinput.cpp
+++ b/Telegram/SourceFiles/ui/countryinput.cpp
@ -117,7 +117,7 @@ void CountryInput::paintEvent(QPaintEvent *e) {
 	p.setRenderHint(QPainter::HighQualityAntialiasing);
 	p.setBrush(_st.bgColor);
 	p.setPen(Qt::NoPen);
-	p.drawRoundedRect(_inner, st::msgRadius, st::msgRadius);
+	p.drawRoundedRect(_inner, st::buttonRadius, st::buttonRadius);
 	p.setRenderHint(QPainter::HighQualityAntialiasing, false);

 	p.drawPixmap(_arrowRect.x(), _arrowRect.top(), _arrow);
--- a/Telegram/SourceFiles/ui/filedialog.cpp
+++ b/Telegram/SourceFiles/ui/filedialog.cpp
@ -23,6 +23,7 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org

 #include "application.h"
 #include "localstorage.h"
+#include "platform/platform_file_dialog.h"

 void filedialogInit() {
 	if (cDialogLastPath().isEmpty()) {
@ -69,28 +70,33 @@ void filedialogInit() {
 	}
 }

-// multipleFiles: 1 - multi open, 0 - single open, -1 - single save, -2 - select dir
-bool _filedialogGetFiles(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, int multipleFiles, QString startFile = QString()) {
+namespace FileDialog {
+namespace internal {

+bool getFiles(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter, FileDialog::internal::Type type, QString startFile = QString()) {
 	filedialogInit();

+	if (Platform::FileDialog::Supported()) {
+		return Platform::FileDialog::Get(files, remoteContent, caption, filter, type, startFile);
+	}
+
 #if defined Q_OS_LINUX || defined Q_OS_MAC // use native
    remoteContent = QByteArray();
 	if (startFile.isEmpty() || startFile.at(0) != '/') {
 		startFile = cDialogLastPath() + '/' + startFile;
 	}
-    QString file;
-    if (multipleFiles >= 0) {
+	QString file;
+	if (type == Type::ReadFiles) {
 		files = QFileDialog::getOpenFileNames(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile, filter);
 		QString path = files.isEmpty() ? QString() : QFileInfo(files.back()).absoluteDir().absolutePath();
 		if (!path.isEmpty() && path != cDialogLastPath()) {
 			cSetDialogLastPath(path);
 			Local::writeUserSettings();
 		}
-        return !files.isEmpty();
-    } else if (multipleFiles < -1) {
+		return !files.isEmpty();
+    } else if (type == Type::ReadFolder) {
 		file = QFileDialog::getExistingDirectory(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile);
-    } else if (multipleFiles < 0) {
+    } else if (type == Type::WriteFile) {
 		file = QFileDialog::getSaveFileName(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile, filter);
    } else {
 		file = QFileDialog::getOpenFileName(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, startFile, filter);
@ -112,11 +118,11 @@ bool _filedialogGetFiles(QStringList &files, QByteArray &remoteContent, const QS
 	// hack for fast non-native dialog create
 	QFileDialog dialog(App::wnd() ? App::wnd()->filedialogParent() : 0, caption, cDialogHelperPathFinal(), filter);

-    dialog.setModal(true);
-	if (multipleFiles >= 0) { // open file or files
-		dialog.setFileMode(multipleFiles ? QFileDialog::ExistingFiles : QFileDialog::ExistingFile);
+	dialog.setModal(true);
+	if (type == Type::ReadFile || type == Type::ReadFiles) {
+		dialog.setFileMode((type == Type::ReadFiles) ? QFileDialog::ExistingFiles : QFileDialog::ExistingFile);
 		dialog.setAcceptMode(QFileDialog::AcceptOpen);
-	} else if (multipleFiles < -1) { // save dir
+	} else if (type == Type::ReadFolder) { // save dir
 		dialog.setAcceptMode(QFileDialog::AcceptOpen);
 		dialog.setFileMode(QFileDialog::Directory);
 		dialog.setOption(QFileDialog::ShowDirsOnly);
@ -127,7 +133,7 @@ bool _filedialogGetFiles(QStringList &files, QByteArray &remoteContent, const QS
 	dialog.show();

 	if (!cDialogLastPath().isEmpty()) dialog.setDirectory(cDialogLastPath());
-	if (multipleFiles == -1) {
+	if (type == Type::WriteFile) {
 		QString toSelect(startFile);
 #ifdef Q_OS_WIN
 		int32 lastSlash = toSelect.lastIndexOf('/');
@ -151,12 +157,12 @@ bool _filedialogGetFiles(QStringList &files, QByteArray &remoteContent, const QS
 	}

 	if (res == QDialog::Accepted) {
-		if (multipleFiles > 0) {
+		if (type == Type::ReadFiles) {
 			files = dialog.selectedFiles();
 		} else {
 			files = dialog.selectedFiles().mid(0, 1);
 		}
-		if (multipleFiles >= 0) {
+		if (type == Type::ReadFile || type == Type::ReadFiles) {
 #if defined Q_OS_WIN && !defined Q_OS_WINRT
 			remoteContent = dialog.selectedRemoteContent();
 #endif // Q_OS_WIN && !Q_OS_WINRT
@ -169,13 +175,16 @@ bool _filedialogGetFiles(QStringList &files, QByteArray &remoteContent, const QS
 	return false;
 }

+} // namespace internal
+} // namespace FileDialog
+
 bool filedialogGetOpenFiles(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter) {
-	return _filedialogGetFiles(files, remoteContent, caption, filter, 1);
+	return FileDialog::internal::getFiles(files, remoteContent, caption, filter, FileDialog::internal::Type::ReadFiles);
 }

 bool filedialogGetOpenFile(QString &file, QByteArray &remoteContent, const QString &caption, const QString &filter) {
 	QStringList files;
-	bool result = _filedialogGetFiles(files, remoteContent, caption, filter, 0);
+	bool result = FileDialog::internal::getFiles(files, remoteContent, caption, filter, FileDialog::internal::Type::ReadFile);
 	file = files.isEmpty() ? QString() : files.at(0);
 	return result;
 }
@ -183,7 +192,7 @@ bool filedialogGetOpenFile(QString &file, QByteArray &remoteContent, const QStri
 bool filedialogGetSaveFile(QString &file, const QString &caption, const QString &filter, const QString &startName) {
 	QStringList files;
 	QByteArray remoteContent;
-	bool result = _filedialogGetFiles(files, remoteContent, caption, filter, -1, startName);
+	bool result = FileDialog::internal::getFiles(files, remoteContent, caption, filter, FileDialog::internal::Type::WriteFile, startName);
 	file = files.isEmpty() ? QString() : files.at(0);
 	return result;
 }
@ -191,7 +200,7 @@ bool filedialogGetSaveFile(QString &file, const QString &caption, const QString
 bool filedialogGetDir(QString &dir, const QString &caption) {
 	QStringList files;
 	QByteArray remoteContent;
-	bool result = _filedialogGetFiles(files, remoteContent, caption, QString(), -2);
+	bool result = FileDialog::internal::getFiles(files, remoteContent, caption, QString(), FileDialog::internal::Type::ReadFolder);
 	dir = files.isEmpty() ? QString() : files.at(0);
 	return result;
 }
--- a/Telegram/SourceFiles/ui/filedialog.h
+++ b/Telegram/SourceFiles/ui/filedialog.h
@ -32,6 +32,16 @@ QString filedialogDefaultName(const QString &prefix, const QString &extension, c
 QString filedialogNextFilename(const QString &name, const QString &cur, const QString &path = QString());

 namespace FileDialog {
+namespace internal {
+
+enum class Type {
+	ReadFile,
+	ReadFiles,
+	ReadFolder,
+	WriteFile,
+};
+
+} // namespace internal

 using QueryId = uint64;
 struct QueryUpdate {
--- a/Telegram/SourceFiles/ui/flatbutton.cpp
+++ b/Telegram/SourceFiles/ui/flatbutton.cpp
@ -371,14 +371,16 @@ void BoxButton::paintEvent(QPaintEvent *e) {
 	float64 o = a_textBgOverOpacity.current();
 	if (o > 0) {
 		p.setOpacity(o);
-		App::roundRect(p, rect(), _st.textBgOver);
+		App::roundRect(p, rect(), _st.textBgOver, ImageRoundRadius::Small);
 		p.setOpacity(1);
 		p.setPen(a_textFg.current());
 	} else {
 		p.setPen(_st.textFg);
 	}
 	p.setFont(_st.font);
-	p.drawText((width() - _textWidth) / 2, _st.textTop + _st.font->ascent, _text);
+
+	auto textTop = (_state & StateDown) ? _st.downTextTop : _st.textTop;
+	p.drawText((width() - _textWidth) / 2, textTop + _st.font->ascent, _text);
 }

 void BoxButton::step_over(float64 ms, bool timer) {
--- a/Telegram/SourceFiles/ui/flatcheckbox.cpp
+++ b/Telegram/SourceFiles/ui/flatcheckbox.cpp
@ -347,7 +347,7 @@ void Checkbox::paintEvent(QPaintEvent *e) {
 		} else {
 			p.setBrush(st::white);
 		}
-		p.drawRoundedRect(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2., _st.thickness / 2., _st.thickness / 2., _st.thickness / 2.)), st::msgRadius - (_st.thickness / 2.), st::msgRadius - (_st.thickness / 2.));
+		p.drawRoundedRect(QRectF(_checkRect).marginsRemoved(QMarginsF(_st.thickness / 2., _st.thickness / 2., _st.thickness / 2., _st.thickness / 2.)), st::buttonRadius - (_st.thickness / 2.), st::buttonRadius - (_st.thickness / 2.));
 		p.setRenderHint(QPainter::HighQualityAntialiasing, false);

 		if (checked > 0) {
--- a/Telegram/SourceFiles/ui/flatinput.cpp
+++ b/Telegram/SourceFiles/ui/flatinput.cpp
@ -180,7 +180,7 @@ void FlatInput::paintEvent(QPaintEvent *e) {
 	pen.setWidth(_st.borderWidth);
 	p.setPen(pen);
 	p.setBrush(QBrush(a_bgColor.current()));
-	p.drawRoundedRect(QRectF(0, 0, width(), height()).marginsRemoved(QMarginsF(_st.borderWidth / 2., _st.borderWidth / 2., _st.borderWidth / 2., _st.borderWidth / 2.)), st::msgRadius - (_st.borderWidth / 2.), st::msgRadius - (_st.borderWidth / 2.));
+	p.drawRoundedRect(QRectF(0, 0, width(), height()).marginsRemoved(QMarginsF(_st.borderWidth / 2., _st.borderWidth / 2., _st.borderWidth / 2., _st.borderWidth / 2.)), st::buttonRadius - (_st.borderWidth / 2.), st::buttonRadius - (_st.borderWidth / 2.));
 	p.setRenderHint(QPainter::HighQualityAntialiasing, false);

 	if (_st.imgRect.pxWidth()) {
@ -345,6 +345,13 @@ void FlatInput::keyPressEvent(QKeyEvent *e) {
 		emit cancelled();
 	} else if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) {
 		emit submitted(ctrl && shift);
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		auto selected = selectedText();
+		if (!selected.isEmpty() && echoMode() == QLineEdit::Normal) {
+			QApplication::clipboard()->setText(selected, QClipboard::FindBuffer);
+		}
+#endif // Q_OS_MAC
 	}
 }

@ -1229,6 +1236,14 @@ void InputArea::InputAreaInner::keyPressEvent(QKeyEvent *e) {
 		e->ignore();
 	} else if (f()->_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
 		e->ignore();
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		auto cursor = textCursor();
+		int start = cursor.selectionStart(), end = cursor.selectionEnd();
+		if (end > start) {
+			QApplication::clipboard()->setText(f()->getText(start, end), QClipboard::FindBuffer);
+		}
+#endif // Q_OS_MAC
 	} else {
 		QTextCursor tc(textCursor());
 		if (enter && ctrl) {
@ -1944,6 +1959,14 @@ void InputField::InputFieldInner::keyPressEvent(QKeyEvent *e) {
 		e->ignore();
 	} else if (f()->_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
 		e->ignore();
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		auto cursor = textCursor();
+		int start = cursor.selectionStart(), end = cursor.selectionEnd();
+		if (end > start) {
+			QApplication::clipboard()->setText(f()->getText(start, end), QClipboard::FindBuffer);
+		}
+#endif // Q_OS_MAC
 	} else {
 		QTextCursor tc(textCursor());
 		if (enter && ctrl) {
@ -2338,6 +2361,13 @@ void MaskedInputField::keyPressEvent(QKeyEvent *e) {
 		emit cancelled();
 	} else if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) {
 		emit submitted(ctrl && shift);
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		auto selected = selectedText();
+		if (!selected.isEmpty() && echoMode() == QLineEdit::Normal) {
+			QApplication::clipboard()->setText(selected, QClipboard::FindBuffer);
+		}
+#endif // Q_OS_MAC
 	}
 }

--- a/Telegram/SourceFiles/ui/flatlabel.cpp
+++ b/Telegram/SourceFiles/ui/flatlabel.cpp
@ -304,6 +304,13 @@ void FlatLabel::keyPressEvent(QKeyEvent *e) {
 			onCopySelectedText();
 			e->accept();
 		}
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		auto selection = _selection.empty() ? (_contextMenu ? _savedSelection : _selection) : _selection;
+		if (!selection.empty()) {
+			QApplication::clipboard()->setText(_text.originalText(selection, _contextExpandLinksMode), QClipboard::FindBuffer);
+		}
+#endif // Q_OS_MAC
 	}
 }

--- a/Telegram/SourceFiles/ui/flattextarea.cpp
+++ b/Telegram/SourceFiles/ui/flattextarea.cpp
@ -1337,6 +1337,15 @@ void FlatTextarea::keyPressEvent(QKeyEvent *e) {
 		}
 	} else if (e->key() == Qt::Key_Search || e == QKeySequence::Find) {
 		e->ignore();
+#ifdef Q_OS_MAC
+	} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
+		auto cursor = textCursor();
+		int start = cursor.selectionStart(), end = cursor.selectionEnd();
+		if (end > start) {
+			TagList tags;
+			QApplication::clipboard()->setText(getTextPart(start, end, &tags), QClipboard::FindBuffer);
+		}
+#endif // Q_OS_MAC
 	} else {
 		QTextCursor tc(textCursor());
 		if (enter && ctrl) {
--- a/Telegram/SourceFiles/ui/images.cpp
+++ b/Telegram/SourceFiles/ui/images.cpp
@ -117,7 +117,7 @@ const QPixmap &Image::pix(int32 w, int32 h) const {
 	return i.value();
 }

-const QPixmap &Image::pixRounded(int32 w, int32 h) const {
+const QPixmap &Image::pixRounded(ImageRoundRadius radius, int32 w, int32 h) const {
 	checkload();

 	if (w <= 0 || !width() || !height()) {
@ -129,7 +129,8 @@ const QPixmap &Image::pixRounded(int32 w, int32 h) const {
 	uint64 k = RoundedCacheSkip | (uint64(w) << 32) | uint64(h);
 	Sizes::const_iterator i = _sizesCache.constFind(k);
 	if (i == _sizesCache.cend()) {
-		QPixmap p(pixNoCache(w, h, ImagePixSmooth | ImagePixRounded));
+		auto options = ImagePixSmooth | (radius == ImageRoundRadius::Large ? ImagePixRoundedLarge : ImagePixRoundedSmall);
+		QPixmap p(pixNoCache(w, h, options));
 		if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
 		i = _sizesCache.insert(k, p);
 		if (!p.isNull()) {
@ -227,7 +228,7 @@ const QPixmap &Image::pixBlurredColored(const style::color &add, int32 w, int32
 	return i.value();
 }

-const QPixmap &Image::pixSingle(int32 w, int32 h, int32 outerw, int32 outerh) const {
+const QPixmap &Image::pixSingle(ImageRoundRadius radius, int32 w, int32 h, int32 outerw, int32 outerh) const {
 	checkload();

 	if (w <= 0 || !width() || !height()) {
@ -242,7 +243,8 @@ const QPixmap &Image::pixSingle(int32 w, int32 h, int32 outerw, int32 outerh) co
 		if (i != _sizesCache.cend()) {
 			globalAcquiredSize -= int64(i->width()) * i->height() * 4;
 		}
-		QPixmap p(pixNoCache(w, h, ImagePixSmooth | ImagePixRounded, outerw, outerh));
+		auto options = ImagePixSmooth | (radius == ImageRoundRadius::Large ? ImagePixRoundedLarge : ImagePixRoundedSmall);
+		QPixmap p(pixNoCache(w, h, options, outerw, outerh));
 		if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
 		i = _sizesCache.insert(k, p);
 		if (!p.isNull()) {
@ -252,7 +254,7 @@ const QPixmap &Image::pixSingle(int32 w, int32 h, int32 outerw, int32 outerh) co
 	return i.value();
 }

-const QPixmap &Image::pixBlurredSingle(int w, int h, int32 outerw, int32 outerh) const {
+const QPixmap &Image::pixBlurredSingle(ImageRoundRadius radius, int w, int h, int32 outerw, int32 outerh) const {
 	checkload();

 	if (w <= 0 || !width() || !height()) {
@ -267,7 +269,8 @@ const QPixmap &Image::pixBlurredSingle(int w, int h, int32 outerw, int32 outerh)
 		if (i != _sizesCache.cend()) {
 			globalAcquiredSize -= int64(i->width()) * i->height() * 4;
 		}
-		QPixmap p(pixNoCache(w, h, ImagePixSmooth | ImagePixBlurred | ImagePixRounded, outerw, outerh));
+		auto options = ImagePixSmooth | ImagePixBlurred | (radius == ImageRoundRadius::Large ? ImagePixRoundedLarge : ImagePixRoundedSmall);
+		QPixmap p(pixNoCache(w, h, options, outerw, outerh));
 		if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
 		i = _sizesCache.insert(k, p);
 		if (!p.isNull()) {
@ -435,17 +438,20 @@ void imageCircle(QImage &img) {
 	p.drawPixmap(0, 0, mask);
 }

-void imageRound(QImage &img) {
+void imageRound(QImage &img, ImageRoundRadius radius) {
 	t_assert(!img.isNull());

 	img.setDevicePixelRatio(cRetinaFactor());
 	img = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
 	t_assert(!img.isNull());

-	QImage **masks = App::cornersMask();
+	QImage **masks = App::cornersMask(radius);
 	int32 w = masks[0]->width(), h = masks[0]->height();
 	int32 tw = img.width(), th = img.height();
 	if (tw < 2 * w || th < 2 * h) {
+		if (radius == ImageRoundRadius::Large) {
+			return imageRound(img, ImageRoundRadius::Small);
+		}
 		return;
 	}

@ -530,9 +536,11 @@ QPixmap imagePix(QImage img, int32 w, int32 h, ImagePixOptions options, int32 ou
 	if (options.testFlag(ImagePixCircled)) {
 		imageCircle(img);
 		t_assert(!img.isNull());
-	} else if (options.testFlag(ImagePixRounded)) {
-		imageRound(img);
+	} else if (options.testFlag(ImagePixRoundedLarge)) {
+		imageRound(img, ImageRoundRadius::Large);
 		t_assert(!img.isNull());
+	} else if (options.testFlag(ImagePixRoundedSmall)) {
+		imageRound(img, ImageRoundRadius::Small);
 	}
 	img.setDevicePixelRatio(cRetinaFactor());
 	return QPixmap::fromImage(img, Qt::ColorOnly);
@ -571,8 +579,10 @@ QPixmap Image::pixNoCache(int w, int h, ImagePixOptions options, int outerw, int

 		if (options.testFlag(ImagePixCircled)) {
 			imageCircle(result);
-		} else if (options.testFlag(ImagePixRounded)) {
-			imageRound(result);
+		} else if (options.testFlag(ImagePixRoundedLarge)) {
+			imageRound(result, ImageRoundRadius::Large);
+		} else if (options.testFlag(ImagePixRoundedSmall)) {
+			imageRound(result, ImageRoundRadius::Small);
 		}
 		return QPixmap::fromImage(result, Qt::ColorOnly);
 	}
--- a/Telegram/SourceFiles/ui/images.h
+++ b/Telegram/SourceFiles/ui/images.h
@ -22,8 +22,13 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org

 #include "mtproto/file_download.h"

+enum class ImageRoundRadius {
+	Large,
+	Small,
+};
+
 QImage imageBlur(QImage img);
-void imageRound(QImage &img);
+void imageRound(QImage &img, ImageRoundRadius radius);

 inline uint32 packInt(int32 a) {
 	return (a < 0) ? uint32(int64(a) + 0x100000000LL) : uint32(a);
@ -110,8 +115,9 @@ inline bool operator!=(const StorageImageLocation &a, const StorageImageLocation
 enum ImagePixOption {
 	ImagePixSmooth = 0x01,
 	ImagePixBlurred = 0x02,
-	ImagePixRounded = 0x04,
-	ImagePixCircled = 0x08,
+	ImagePixCircled = 0x04,
+	ImagePixRoundedLarge = 0x08,
+	ImagePixRoundedSmall = 0x10,
 };
 Q_DECLARE_FLAGS(ImagePixOptions, ImagePixOption);
 Q_DECLARE_OPERATORS_FOR_FLAGS(ImagePixOptions);
@ -152,13 +158,13 @@ public:
 	}

 	const QPixmap &pix(int32 w = 0, int32 h = 0) const;
-	const QPixmap &pixRounded(int32 w = 0, int32 h = 0) const;
+	const QPixmap &pixRounded(ImageRoundRadius radius, int32 w = 0, int32 h = 0) const;
 	const QPixmap &pixCircled(int32 w = 0, int32 h = 0) const;
 	const QPixmap &pixBlurred(int32 w = 0, int32 h = 0) const;
 	const QPixmap &pixColored(const style::color &add, int32 w = 0, int32 h = 0) const;
 	const QPixmap &pixBlurredColored(const style::color &add, int32 w = 0, int32 h = 0) const;
-	const QPixmap &pixSingle(int32 w, int32 h, int32 outerw, int32 outerh) const;
-	const QPixmap &pixBlurredSingle(int32 w, int32 h, int32 outerw, int32 outerh) const;
+	const QPixmap &pixSingle(ImageRoundRadius radius, int32 w, int32 h, int32 outerw, int32 outerh) const;
+	const QPixmap &pixBlurredSingle(ImageRoundRadius radius, int32 w, int32 h, int32 outerw, int32 outerh) const;
 	QPixmap pixNoCache(int w = 0, int h = 0, ImagePixOptions options = 0, int outerw = -1, int outerh = -1) const;
 	QPixmap pixColoredNoCache(const style::color &add, int32 w = 0, int32 h = 0, bool smooth = false) const;
 	QPixmap pixBlurredColoredNoCache(const style::color &add, int32 w, int32 h = 0) const;
--- a/Telegram/SourceFiles/ui/scrollarea.cpp
+++ b/Telegram/SourceFiles/ui/scrollarea.cpp
@ -140,10 +140,12 @@ void ScrollBar::paintEvent(QPaintEvent *e) {
 	int32 deltat = _vertical ? 0 : _st->deltax, deltab = _vertical ? 0 : _st->deltax;
 	p.setPen(Qt::NoPen);
 	if (_st->round) {
+		p.setRenderHint(QPainter::HighQualityAntialiasing, true);
 		p.setBrush(a_bg.current());
 		p.drawRoundedRect(QRect(deltal, deltat, width() - deltal - deltar, height() - deltat - deltab), _st->round, _st->round);
 		p.setBrush(a_bar.current());
 		p.drawRoundedRect(_bar, _st->round, _st->round);
+		p.setRenderHint(QPainter::HighQualityAntialiasing, false);
 	} else {
 		p.fillRect(QRect(deltal, deltat, width() - deltal - deltar, height() - deltat - deltab), a_bg.current());
 		p.fillRect(_bar, a_bar.current());
@ -651,6 +653,8 @@ void ScrollArea::moveEvent(QMoveEvent *e) {
 void ScrollArea::keyPressEvent(QKeyEvent *e) {
 	if ((e->key() == Qt::Key_Up || e->key() == Qt::Key_Down) && e->modifiers().testFlag(Qt::AltModifier)) {
 		e->ignore();
+	} else if(e->key() == Qt::Key_Escape || e->key() == Qt::Key_Back) {
+		((QObject*)widget())->event(e);
 	} else {
 		QScrollArea::keyPressEvent(e);
 	}
--- a/Telegram/SourceFiles/ui/toast/toast_widget.cpp
+++ b/Telegram/SourceFiles/ui/toast/toast_widget.cpp
@ -51,7 +51,7 @@ void Widget::paintEvent(QPaintEvent *e) {
 	Painter p(this);

 	p.setOpacity(_shownLevel);
-	App::roundRect(p, rect(), st::toastBg);
+	App::roundRect(p, rect(), st::toastBg, ImageRoundRadius::Large);

 	p.setPen(st::toastFg);
 	textstyleSet(&st::defaultTextStyle);
--- a/Telegram/Telegram.pro
+++ b/Telegram/Telegram.pro
@ -3,60 +3,60 @@ QT += core gui network widgets
 CONFIG += plugin static c++14

 CONFIG(debug, debug|release) {
-    DEFINES += _DEBUG
-    OBJECTS_DIR = ./../DebugIntermediate
-    MOC_DIR = ./GeneratedFiles/Debug
-    RCC_DIR = ./GeneratedFiles
-    DESTDIR = ./../Debug
+	DEFINES += _DEBUG
+	OBJECTS_DIR = ./../DebugIntermediate
+	MOC_DIR = ./GeneratedFiles/Debug
+	RCC_DIR = ./GeneratedFiles
+	DESTDIR = ./../Debug
 }
 CONFIG(release, debug|release) {
-    DEFINES += CUSTOM_API_ID
-    OBJECTS_DIR = ./../ReleaseIntermediate
-    MOC_DIR = ./GeneratedFiles/Release
-    RCC_DIR = ./GeneratedFiles
-    DESTDIR = ./../Release
+	DEFINES += CUSTOM_API_ID
+	OBJECTS_DIR = ./../ReleaseIntermediate
+	MOC_DIR = ./GeneratedFiles/Release
+	RCC_DIR = ./GeneratedFiles
+	DESTDIR = ./../Release
 }

 macx {
-    QMAKE_INFO_PLIST = ./SourceFiles/Telegram.plist
-    QMAKE_LFLAGS += -framework Cocoa
+	QMAKE_INFO_PLIST = ./SourceFiles/Telegram.plist
+	QMAKE_LFLAGS += -framework Cocoa
 }

 linux {
-    SOURCES += ./SourceFiles/pspecific_linux.cpp
-    HEADERS += ./SourceFiles/pspecific_linux.h
+	SOURCES += ./SourceFiles/pspecific_linux.cpp
+	HEADERS += ./SourceFiles/pspecific_linux.h
 }

 CONFIG(debug, debug|release) {
-    codegen_style.target = style_target
-    codegen_style.depends = FORCE
-    codegen_style.commands = ./../codegen/Debug/codegen_style "-I./../../Telegram/Resources" "-I./../../Telegram/SourceFiles" "-o./GeneratedFiles/styles" all_files.style --rebuild
+	codegen_style.target = style_target
+	codegen_style.depends = FORCE
+	codegen_style.commands = ./../codegen/Debug/codegen_style "-I./../../Telegram/Resources" "-I./../../Telegram/SourceFiles" "-o./GeneratedFiles/styles" all_files.style --rebuild

-    codegen_numbers.target = numbers_target
-    codegen_numbers.depends = ./../../Telegram/Resources/numbers.txt
-    codegen_numbers.commands = ./../codegen/Debug/codegen_numbers "-o./GeneratedFiles" "./../../Telegram/Resources/numbers.txt"
+	codegen_numbers.target = numbers_target
+	codegen_numbers.depends = ./../../Telegram/Resources/numbers.txt
+	codegen_numbers.commands = ./../codegen/Debug/codegen_numbers "-o./GeneratedFiles" "./../../Telegram/Resources/numbers.txt"

-    codegen_numbers.commands = cd ../../Telegram && ./../Linux/codegen/Debug/codegen_numbers "-o./../Linux/DebugIntermediate/GeneratedFiles" "./Resources/numbers.txt" && cd ../Linux/DebugIntermediate
+	codegen_numbers.commands = cd ../../Telegram && ./../Linux/codegen/Debug/codegen_numbers "-o./../Linux/DebugIntermediate/GeneratedFiles" "./Resources/numbers.txt" && cd ../Linux/DebugIntermediate

-    codegen_lang.target = lang_target
-    codegen_lang.depends = ./../../Telegram/Resources/langs/lang.strings
-    codegen_lang.commands = mkdir -p ./GeneratedFiles && ./../DebugLang/MetaLang -lang_in ./../../Telegram/Resources/langs/lang.strings -lang_out ./GeneratedFiles/lang_auto
+	codegen_lang.target = lang_target
+	codegen_lang.depends = ./../../Telegram/Resources/langs/lang.strings
+	codegen_lang.commands = mkdir -p ./GeneratedFiles && ./../DebugLang/MetaLang -lang_in ./../../Telegram/Resources/langs/lang.strings -lang_out ./GeneratedFiles/lang_auto
 }

 CONFIG(release, debug|release) {
-    codegen_style.target = style_target
-    codegen_style.depends = FORCE
-    codegen_style.commands = ./../codegen/Release/codegen_style "-I./../../Telegram/Resources" "-I./../../Telegram/SourceFiles" "-o./GeneratedFiles/styles" all_files.style --rebuild
+	codegen_style.target = style_target
+	codegen_style.depends = FORCE
+	codegen_style.commands = ./../codegen/Release/codegen_style "-I./../../Telegram/Resources" "-I./../../Telegram/SourceFiles" "-o./GeneratedFiles/styles" all_files.style --rebuild

-    codegen_numbers.target = numbers_target
-    codegen_numbers.depends = ./../../Telegram/Resources/numbers.txt
-    codegen_numbers.commands = ./../codegen/Release/codegen_numbers "-o./GeneratedFiles" "./../../Telegram/Resources/numbers.txt"
+	codegen_numbers.target = numbers_target
+	codegen_numbers.depends = ./../../Telegram/Resources/numbers.txt
+	codegen_numbers.commands = ./../codegen/Release/codegen_numbers "-o./GeneratedFiles" "./../../Telegram/Resources/numbers.txt"

-    codegen_numbers.commands = cd ../../Telegram && ./../Linux/codegen/Release/codegen_numbers "-o./../Linux/ReleaseIntermediate/GeneratedFiles" "./Resources/numbers.txt" && cd ../Linux/ReleaseIntermediate
+	codegen_numbers.commands = cd ../../Telegram && ./../Linux/codegen/Release/codegen_numbers "-o./../Linux/ReleaseIntermediate/GeneratedFiles" "./Resources/numbers.txt" && cd ../Linux/ReleaseIntermediate

-    codegen_lang.target = lang_target
-    codegen_lang.depends = ./../../Telegram/Resources/langs/lang.strings
-    codegen_lang.commands = mkdir -p ./GeneratedFiles && ./../ReleaseLang/MetaLang -lang_in ./../../Telegram/Resources/langs/lang.strings -lang_out ./GeneratedFiles/lang_auto
+	codegen_lang.target = lang_target
+	codegen_lang.depends = ./../../Telegram/Resources/langs/lang.strings
+	codegen_lang.commands = mkdir -p ./GeneratedFiles && ./../ReleaseLang/MetaLang -lang_in ./../../Telegram/Resources/langs/lang.strings -lang_out ./GeneratedFiles/lang_auto
 }

 file_style_basic.target = GeneratedFiles/styles/style_basic.cpp
@ -73,374 +73,379 @@ file_style_profile.target = GeneratedFiles/styles/style_profile.cpp
 file_style_profile.depends = style_target

 QMAKE_EXTRA_TARGETS += codegen_style codegen_numbers codegen_lang \
-    file_style_basic file_style_basic_types file_style_overview \
-    file_style_dialogs file_style_history file_style_profile
+	file_style_basic file_style_basic_types file_style_overview \
+	file_style_dialogs file_style_history file_style_profile

 PRE_TARGETDEPS += style_target numbers_target lang_target

 unix {
-    linux-g++:QMAKE_TARGET.arch = $$QMAKE_HOST.arch
-    linux-g++-32:QMAKE_TARGET.arch = x86
-    linux-g++-64:QMAKE_TARGET.arch = x86_64
+	linux-g++:QMAKE_TARGET.arch = $$QMAKE_HOST.arch
+	linux-g++-32:QMAKE_TARGET.arch = x86
+	linux-g++-64:QMAKE_TARGET.arch = x86_64

-    contains(QMAKE_TARGET.arch, x86_64) {
-        DEFINES += Q_OS_LINUX64
-    } else {
-        DEFINES += Q_OS_LINUX32
-    }
+	contains(QMAKE_TARGET.arch, x86_64) {
+		DEFINES += Q_OS_LINUX64
+	} else {
+		DEFINES += Q_OS_LINUX32
+	}
 }

 SOURCES += \
-    ./GeneratedFiles/lang_auto.cpp \
-    ./GeneratedFiles/numbers.cpp \
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-    ./SourceFiles/profile/profile_fixed_bar.h \
-    ./SourceFiles/profile/profile_info_widget.h \
-    ./SourceFiles/profile/profile_inner_widget.h \
-    ./SourceFiles/profile/profile_invite_link_widget.h \
-    ./SourceFiles/profile/profile_members_widget.h \
-    ./SourceFiles/profile/profile_section_memento.h \
-    ./SourceFiles/profile/profile_settings_widget.h \
-    ./SourceFiles/profile/profile_shared_media_widget.h \
-    ./SourceFiles/profile/profile_userpic_button.h \
-    ./SourceFiles/profile/profile_widget.h \
-    ./SourceFiles/pspecific.h \
-    ./SourceFiles/serialize/serialize_common.h \
-    ./SourceFiles/serialize/serialize_document.h \
-    ./SourceFiles/ui/buttons/history_down_button.h \
-    ./SourceFiles/ui/buttons/left_outline_button.h \
-    ./SourceFiles/ui/buttons/peer_avatar_button.h \
-    ./SourceFiles/ui/buttons/round_button.h \
-    ./SourceFiles/ui/style/style_core.h \
-    ./SourceFiles/ui/style/style_core_color.h \
-    ./SourceFiles/ui/style/style_core_font.h \
-    ./SourceFiles/ui/style/style_core_icon.h \
-    ./SourceFiles/ui/style/style_core_types.h \
-    ./SourceFiles/ui/text/text.h \
-    ./SourceFiles/ui/text/text_block.h \
-    ./SourceFiles/ui/text/text_entity.h \
-    ./SourceFiles/ui/toast/toast.h \
-    ./SourceFiles/ui/toast/toast_manager.h \
-    ./SourceFiles/ui/toast/toast_widget.h \
-    ./SourceFiles/ui/animation.h \
-    ./SourceFiles/ui/boxshadow.h \
-    ./SourceFiles/ui/button.h \
-    ./SourceFiles/ui/popupmenu.h \
-    ./SourceFiles/ui/countryinput.h \
-    ./SourceFiles/ui/emoji_config.h \
-    ./SourceFiles/ui/filedialog.h \
-    ./SourceFiles/ui/flatbutton.h \
-    ./SourceFiles/ui/flatcheckbox.h \
-    ./SourceFiles/ui/flatinput.h \
-    ./SourceFiles/ui/flatlabel.h \
-    ./SourceFiles/ui/flattextarea.h \
-    ./SourceFiles/ui/images.h \
-    ./SourceFiles/ui/inner_dropdown.h \
-    ./SourceFiles/ui/scrollarea.h \
-    ./SourceFiles/ui/twidget.h \
-    ./SourceFiles/window/main_window.h \
-    ./SourceFiles/window/section_memento.h \
-    ./SourceFiles/window/section_widget.h \
-    ./SourceFiles/window/slide_animation.h \
-    ./SourceFiles/window/top_bar_widget.h
+	./SourceFiles/platform/linux/file_dialog_linux.h \
+	./SourceFiles/platform/linux/main_window_linux.h \
+	./SourceFiles/profile/profile_actions_widget.h \
+	./SourceFiles/profile/profile_block_widget.h \
+	./SourceFiles/profile/profile_cover_drop_area.h \
+	./SourceFiles/profile/profile_cover.h \
+	./SourceFiles/profile/profile_fixed_bar.h \
+	./SourceFiles/profile/profile_info_widget.h \
+	./SourceFiles/profile/profile_inner_widget.h \
+	./SourceFiles/profile/profile_invite_link_widget.h \
+	./SourceFiles/profile/profile_members_widget.h \
+	./SourceFiles/profile/profile_section_memento.h \
+	./SourceFiles/profile/profile_settings_widget.h \
+	./SourceFiles/profile/profile_shared_media_widget.h \
+	./SourceFiles/profile/profile_userpic_button.h \
+	./SourceFiles/profile/profile_widget.h \
+	./SourceFiles/pspecific.h \
+	./SourceFiles/serialize/serialize_common.h \
+	./SourceFiles/serialize/serialize_document.h \
+	./SourceFiles/ui/buttons/history_down_button.h \
+	./SourceFiles/ui/buttons/left_outline_button.h \
+	./SourceFiles/ui/buttons/peer_avatar_button.h \
+	./SourceFiles/ui/buttons/round_button.h \
+	./SourceFiles/ui/style/style_core.h \
+	./SourceFiles/ui/style/style_core_color.h \
+	./SourceFiles/ui/style/style_core_font.h \
+	./SourceFiles/ui/style/style_core_icon.h \
+	./SourceFiles/ui/style/style_core_types.h \
+	./SourceFiles/ui/text/text.h \
+	./SourceFiles/ui/text/text_block.h \
+	./SourceFiles/ui/text/text_entity.h \
+	./SourceFiles/ui/toast/toast.h \
+	./SourceFiles/ui/toast/toast_manager.h \
+	./SourceFiles/ui/toast/toast_widget.h \
+	./SourceFiles/ui/animation.h \
+	./SourceFiles/ui/boxshadow.h \
+	./SourceFiles/ui/button.h \
+	./SourceFiles/ui/popupmenu.h \
+	./SourceFiles/ui/countryinput.h \
+	./SourceFiles/ui/emoji_config.h \
+	./SourceFiles/ui/filedialog.h \
+	./SourceFiles/ui/flatbutton.h \
+	./SourceFiles/ui/flatcheckbox.h \
+	./SourceFiles/ui/flatinput.h \
+	./SourceFiles/ui/flatlabel.h \
+	./SourceFiles/ui/flattextarea.h \
+	./SourceFiles/ui/images.h \
+	./SourceFiles/ui/inner_dropdown.h \
+	./SourceFiles/ui/scrollarea.h \
+	./SourceFiles/ui/twidget.h \
+	./SourceFiles/window/main_window.h \
+	./SourceFiles/window/section_memento.h \
+	./SourceFiles/window/section_widget.h \
+	./SourceFiles/window/slide_animation.h \
+	./SourceFiles/window/top_bar_widget.h

 win32 {
 SOURCES += \
-  ./SourceFiles/pspecific_win.cpp \
-  ./SourceFiles/platform/win/windows_app_user_model_id.cpp \
-  ./SourceFiles/platform/win/windows_dlls.cpp \
-  ./SourceFiles/platform/win/windows_event_filter.cpp \
-  ./SourceFiles/platform/win/windows_toasts.cpp
+	./SourceFiles/pspecific_win.cpp \
+	./SourceFiles/platform/win/windows_app_user_model_id.cpp \
+	./SourceFiles/platform/win/windows_dlls.cpp \
+	./SourceFiles/platform/win/windows_event_filter.cpp \
+	./SourceFiles/platform/win/windows_toasts.cpp

 HEADERS += \
-  ./SourceFiles/pspecific_win.h \
-  ./SourceFiles/platform/win/windows_app_user_model_id.h \
-  ./SourceFiles/platform/win/windows_dlls.h \
-  ./SourceFiles/platform/win/windows_event_filter.h \
-  ./SourceFiles/platform/win/windows_toasts.h
+	./SourceFiles/pspecific_win.h \
+	./SourceFiles/platform/win/windows_app_user_model_id.h \
+	./SourceFiles/platform/win/windows_dlls.h \
+	./SourceFiles/platform/win/windows_event_filter.h \
+	./SourceFiles/platform/win/windows_toasts.h
 }

 winrt {
 SOURCES += \
-  ./SourceFiles/pspecific_winrt.cpp \
-  ./SourceFiles/platform/winrt/main_window_winrt.cpp
+	./SourceFiles/pspecific_winrt.cpp \
+	./SourceFiles/platform/winrt/main_window_winrt.cpp
 HEADERS += \
-  ./SourceFiles/pspecific_winrt.h \
-  ./Sourcefiles/platform/winrt/main_window_winrt.h
+	./SourceFiles/pspecific_winrt.h \
+	./Sourcefiles/platform/winrt/main_window_winrt.h
 }

 macx {
 SOURCES += \
-  ./SourceFiles/pspecific_mac.cpp
+	./SourceFiles/pspecific_mac.cpp
 HEADERS += \
-  ./SourceFiles/pspecific_mac.h
+	./SourceFiles/pspecific_mac.h
 OBJECTIVE_SOURCES += \
-  ./SourceFiles/pspecific_mac_p.mm \
-  ./SourceFiles/platform/mac/main_window_mac.mm
+	./SourceFiles/pspecific_mac_p.mm \
+	./SourceFiles/platform/mac/main_window_mac.mm
 HEADERS += \
-  ./SourceFiles/pspecific_mac_p.h \
-  ./SourceFiles/platform/mac/main_window_mac.h
+	./SourceFiles/pspecific_mac_p.h \
+	./SourceFiles/platform/mac/main_window_mac.h
 }

 SOURCES += \
-  ./ThirdParty/minizip/zip.c \
-  ./ThirdParty/minizip/ioapi.c
+	./ThirdParty/minizip/zip.c \
+	./ThirdParty/minizip/ioapi.c

 CONFIG += precompile_header

@ -450,19 +455,19 @@ QMAKE_CXXFLAGS_WARN_ON += -Wno-unused-result -Wno-unused-parameter -Wno-unused-v
 QMAKE_CFLAGS_WARN_ON += -Wno-unused-result -Wno-unused-parameter -Wno-unused-variable -Wno-switch -Wno-comment -Wno-unused-but-set-variable

 CONFIG(release, debug|release) {
-    QMAKE_CXXFLAGS_RELEASE -= -O2
-    QMAKE_CXXFLAGS_RELEASE += -Ofast -flto -fno-strict-aliasing -g
-    QMAKE_LFLAGS_RELEASE -= -O1
-    QMAKE_LFLAGS_RELEASE += -Ofast -flto -g -rdynamic -static-libstdc++
+	QMAKE_CXXFLAGS_RELEASE -= -O2
+	QMAKE_CXXFLAGS_RELEASE += -Ofast -flto -fno-strict-aliasing -g
+	QMAKE_LFLAGS_RELEASE -= -O1
+	QMAKE_LFLAGS_RELEASE += -Ofast -flto -g -rdynamic -static-libstdc++
 }
 # Linux 32bit fails Release link with Link-Time Optimization: virtual memory exhausted
 unix {
-    !contains(QMAKE_TARGET.arch, x86_64) {
-        CONFIG(release, debug|release) {
-            QMAKE_CXXFLAGS_RELEASE -= -flto
-            QMAKE_LFLAGS_RELEASE -= -flto
-        }
-    }
+	!contains(QMAKE_TARGET.arch, x86_64) {
+		CONFIG(release, debug|release) {
+			QMAKE_CXXFLAGS_RELEASE -= -flto
+			QMAKE_LFLAGS_RELEASE -= -flto
+		}
+	}
 }
 CONFIG(debug, debug|release) {
 	QMAKE_LFLAGS_DEBUG += -g -rdynamic -static-libstdc++
@ -471,22 +476,23 @@ CONFIG(debug, debug|release) {
 include(qt_static.pri)

 INCLUDEPATH += \
-               /usr/local/include\
-               /usr/local/include/opus\
-               ./SourceFiles\
-               ./GeneratedFiles\
-               ./ThirdParty/minizip\
-               ./../../Libraries/breakpad/src
+	/usr/local/include\
+	/usr/local/include/opus\
+	./SourceFiles\
+	./GeneratedFiles\
+	./ThirdParty/minizip\
+	./../../Libraries/breakpad/src

 INCLUDEPATH += "/usr/include/libappindicator-0.1"
+#INCLUDEPATH += "/usr/include/gtk-3.0"
 INCLUDEPATH += "/usr/include/gtk-2.0"
+INCLUDEPATH += "/usr/lib/x86_64-linux-gnu/gtk-2.0/include"
+INCLUDEPATH += "/usr/lib/i386-linux-gnu/gtk-2.0/include"
 INCLUDEPATH += "/usr/include/glib-2.0"
 INCLUDEPATH += "/usr/lib/x86_64-linux-gnu/glib-2.0/include"
 INCLUDEPATH += "/usr/lib/i386-linux-gnu/glib-2.0/include"
 INCLUDEPATH += "/usr/include/cairo"
 INCLUDEPATH += "/usr/include/pango-1.0"
-INCLUDEPATH += "/usr/lib/x86_64-linux-gnu/gtk-2.0/include"
-INCLUDEPATH += "/usr/lib/i386-linux-gnu/gtk-2.0/include"
 INCLUDEPATH += "/usr/include/gdk-pixbuf-2.0"
 INCLUDEPATH += "/usr/include/atk-1.0"

@ -502,21 +508,21 @@ LIBS += /usr/local/lib/libxkbcommon.a
 LIBS += ./../../../Libraries/breakpad/src/client/linux/libbreakpad_client.a

 RESOURCES += \
-    ./Resources/telegram.qrc \
-    ./Resources/telegram_linux.qrc \
-    ./Resources/telegram_emojis.qrc
+	./Resources/telegram.qrc \
+	./Resources/telegram_linux.qrc \
+	./Resources/telegram_emojis.qrc

 OTHER_FILES += \
-    ./Resources/basic_types.style \
-    ./Resources/basic.style \
-    ./Resources/all_files.style \
-    ./Resources/langs/lang.strings \
-    ./Resources/langs/lang_it.strings \
-    ./Resources/langs/lang_es.strings \
-    ./Resources/langs/lang_de.strings \
-    ./Resources/langs/lang_nl.strings \
-    ./Resources/langs/lang_pt_BR.strings \
-    ./SourceFiles/dialogs/dialogs.style \
-    ./SourceFiles/history/history.style \
-    ./SourceFiles/overview/overview.style \
-    ./SourceFiles/profile/profile.style
+	./Resources/basic_types.style \
+	./Resources/basic.style \
+	./Resources/all_files.style \
+	./Resources/langs/lang.strings \
+	./Resources/langs/lang_it.strings \
+	./Resources/langs/lang_es.strings \
+	./Resources/langs/lang_de.strings \
+	./Resources/langs/lang_nl.strings \
+	./Resources/langs/lang_pt_BR.strings \
+	./SourceFiles/dialogs/dialogs.style \
+	./SourceFiles/history/history.style \
+	./SourceFiles/overview/overview.style \
+	./SourceFiles/profile/profile.style
--- a/Telegram/qt_static.pri
+++ b/Telegram/qt_static.pri
@ -1,20 +1,26 @@
 QT_TDESKTOP_VERSION_DEFAULT = 5.6.0
 QT_TDESKTOP_PATH_DEFAULT = /usr/local/tdesktop/Qt-$${QT_TDESKTOP_VERSION_DEFAULT}

-QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION}
 QT_TDESKTOP_PATH = $${QT_TDESKTOP_PATH}
-
 isEmpty(QT_TDESKTOP_PATH) {
-    message(QT_TDESKTOP_PATH is not set. Using default value $${QT_TDESKTOP_PATH_DEFAULT})
-    QT_TDESKTOP_PATH = $${QT_TDESKTOP_PATH_DEFAULT}
-
+    QT_TDESKTOP_PATH = $$(QT_TDESKTOP_PATH)
+    isEmpty(QT_TDESKTOP_PATH) {
+        message(QT_TDESKTOP_PATH is not set. Using default value $${QT_TDESKTOP_PATH_DEFAULT})
+        QT_TDESKTOP_PATH = $${QT_TDESKTOP_PATH_DEFAULT}
+    }
 }
+
+QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION}
 isEmpty(QT_TDESKTOP_VERSION) {
-    message(QT_TDESKTOP_VERSION is not set. Using default value $${QT_TDESKTOP_VERSION_DEFAULT})
-    QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION_DEFAULT}
+    QT_TDESKTOP_VERSION = $$(QT_TDESKTOP_VERSION)
+    isEmpty(QT_TDESKTOP_VERSION) {
+        message(QT_TDESKTOP_VERSION is not set. Using default value $${QT_TDESKTOP_VERSION_DEFAULT})
+        QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION_DEFAULT}
+    }
 }

 INCLUDEPATH += $${QT_TDESKTOP_PATH}/include/QtGui/$${QT_TDESKTOP_VERSION}/QtGui \
               $${QT_TDESKTOP_PATH}/include/QtCore/$${QT_TDESKTOP_VERSION}/QtCore \
+               $${QT_TDESKTOP_PATH}/include/QtCore/$${QT_TDESKTOP_VERSION} \
               $${QT_TDESKTOP_PATH}/include

--- a/doc/building-msvc.md
+++ b/doc/building-msvc.md
@ -1,10 +1,36 @@
-##Build instructions for Visual Studio 2015
+# Build instructions for Visual Studio 2015

-###Prepare folder
+  * [Prepare folder](#prepare-folder)
+  * [Clone source code](#clone-source-code)
+  * [Prepare libraries](#prepare-libraries)
+    + [OpenSSL](#openssl)
+    + [LZMA SDK 9.20](#lzma-sdk-920)
+      - [Building library](#building-library)
+    + [zlib 1.2.8](#zlib-128)
+      - [Building library](#building-library-1)
+    + [libexif 0.6.20](#libexif-0620)
+      - [Building library](#building-library-2)
+    + [OpenAL Soft, slightly patched](#openal-soft-slightly-patched)
+      - [Building library](#building-library-3)
+    + [Opus codec](#opus-codec)
+      - [Building libraries](#building-libraries)
+    + [FFmpeg](#ffmpeg)
+      - [Building libraries](#building-libraries-1)
+    + [Qt 5.6.0, slightly patched](#qt-560-slightly-patched)
+      - [Apply the patch](#apply-the-patch)
+      - [Install Windows SDKs](#install-windows-sdks)
+      - [Building library](#building-library-4)
+    + [Qt5Package](#qt5package)
+    + [Google Breakpad](#google-breakpad)
+      - [Install](#install)
+      - [Build](#build)
+  * [Building Telegram Desktop](#building-telegram-desktop)
+
+## Prepare folder

 Choose a folder for the future build, for example **D:\TBuild\**. There you will have two folders, **Libraries** for third-party libs and **tdesktop** (or **tdesktop-master**) for the app.

-###Clone source code
+## Clone source code

 By git – in [Git Bash](http://git-scm.com/downloads) go to **/d/tbuild** and run

@ -12,9 +38,9 @@ By git – in [Git Bash](http://git-scm.com/downloads) go to **/d/tbuild** and r

 or download in ZIP and extract to **D:\TBuild\**, rename **tdesktop-master** to **tdesktop** to have **D:\TBuild\tdesktop\Telegram.sln** solution

-###Prepare libraries
+## Prepare libraries

-####OpenSSL
+### OpenSSL

 Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu > Programs > Visual Studio 2015** menu folder), go to **D:\\TBuild\\Libraries** and run

@ -35,13 +61,13 @@ Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu >
    nmake -f ms\nt.mak install


-####LZMA SDK 9.20
+### LZMA SDK 9.20

 http://www.7-zip.org/sdk.html > Download [**LZMA SDK (C, C++, C#, Java)** 9.20](http://downloads.sourceforge.net/sevenzip/lzma920.tar.bz2)

 Extract to **D:\TBuild\Libraries**

-#####Building library
+#### Building library

 * Open in VS2015 **D:\TBuild\Libraries\lzma\C\Util\LzmaLib\LzmaLib.dsw** > One-way upgrade – **OK**
 * For **Debug** and **Release** configurations
@ -53,13 +79,13 @@ Extract to **D:\TBuild\Libraries**
 * Build Debug configuration
 * Build Release configuration

-####zlib 1.2.8
+### zlib 1.2.8

 http://www.zlib.net/ > Download [**zlib source code, version 1.2.8, zipfile format**](http://zlib.net/zlib128.zip)

 Extract to **D:\\TBuild\\Libraries\\**

-#####Building library
+#### Building library

 * Open in VS2015 **D:\TBuild\Libraries\zlib-1.2.8\contrib\vstudio\vc11\zlibvc.sln** > One-way upgrade – **OK**
 * We are interested only in **zlibstat** project, but it depends on some custom pre-build step, so build all
@ -70,7 +96,7 @@ Extract to **D:\\TBuild\\Libraries\\**
 * Build Solution for Debug configuration – only **zlibstat** project builds successfully
 * Build Solution for Release configuration – only **zlibstat** project builds successfully

-####libexif 0.6.20
+### libexif 0.6.20

 Get sources from https://github.com/telegramdesktop/libexif-0.6.20, by git – in [Git Bash](http://git-scm.com/downloads) go to **/d/tbuild/libraries** and run

@ -78,13 +104,13 @@ Get sources from https://github.com/telegramdesktop/libexif-0.6.20, by git – i

 or download in ZIP and extract to **D:\TBuild\Libraries\**, rename **libexif-0.6.20-master** to **libexif-0.6.20** to have **D:\TBuild\Libraries\libexif-0.6.20\win32\lib_exif.sln** solution

-#####Building library
+#### Building library

 * Open in VS2015 **D:\TBuild\Libraries\libexif-0.6.20\win32\lib_exif.sln**
 * Build Debug configuration
 * Build Release configuration

-####OpenAL Soft, slightly patched
+### OpenAL Soft, slightly patched

 Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu > Programs > Visual Studio 2015** menu folder), go to **D:\\TBuild\\Libraries** and run

@ -93,7 +119,7 @@ Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu >
    git checkout 90349b38
    git apply ./../../tdesktop/Telegram/Patches/openal.diff

-#####Building library
+#### Building library

 * Install [CMake](http://www.cmake.org/)
 * Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu > Programs > Visual Studio 2015** menu folder), go to **D:\TBuild\Libraries\openal-soft\build\** and run
@ -102,7 +128,7 @@ Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu >

 * Open in VS2015 **D:\TBuild\Libraries\openal-soft\build\OpenAL.sln** and build Debug and Release configurations

-####Opus codec
+### Opus codec

 Get sources by git – in [Git Bash](http://git-scm.com/downloads) go to **/d/tbuild/libraries** and run

@ -110,13 +136,13 @@ Get sources by git – in [Git Bash](http://git-scm.com/downloads) go to **/d/tb

 to have **D:\TBuild\Libraries\opus\win32**

-#####Building libraries
+#### Building libraries

 * Open in VS2015 **D:\TBuild\Libraries\opus\win32\VS2010\opus.sln**
 * Build Debug configuration
 * Build Release configuration (it will be required in **FFmpeg** build!)

-####FFmpeg
+### FFmpeg

 Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu > Programs > Visual Studio 2015** menu folder) and run

@ -126,7 +152,7 @@ Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu >

 http://msys2.github.io/ > Download [msys2-x86_64-20150512.exe](http://sourceforge.net/projects/msys2/files/Base/x86_64/msys2-x86_64-20150512.exe/download) and install to **D:\\msys64**

-#####Building libraries
+#### Building libraries

 Download [yasm for Win64](http://www.tortall.net/projects/yasm/releases/yasm-1.3.0-win64.exe) from http://yasm.tortall.net/Download.html, rename **yasm-1.3.0-win64.exe** to **yasm.exe** and place it to your Visual C++ **bin** directory, like **\\Program Files (x86)\\Microsoft Visual Studio 14\\VC\\bin\\**

@ -148,7 +174,7 @@ Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu >
    make
    make install

-####Qt 5.6.0, slightly patched
+### Qt 5.6.0, slightly patched

 * Install Python 3.3.2 from https://www.python.org/download/releases/3.3.2 > [**Windows x86 MSI Installer (3.3.2)**](https://www.python.org/ftp/python/3.3.2/python-3.3.2.msi)
 * Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu > Programs > Visual Studio 2015** menu folder)
@ -168,17 +194,17 @@ and run
    cd qtimageformats && git checkout v5.6.0 && cd ..
    cd qtbase && git checkout v5.6.0 && cd ..

-#####Apply the patch
+#### Apply the patch

    cd qtbase && git apply ../../../tdesktop/Telegram/Patches/qtbase_5_6_0.diff && cd ..

-#####Install Windows SDKs
+#### Install Windows SDKs

 If you didn't install Windows SDKs before, you need to install them now. To install the SDKs just open Telegram solution at **D:\TBuild\tdesktop\Telegram.sln** and on startup Visual Studio 2015 will popup dialog box and ask to download and install extra components (including Windows 7 SDK).

 If you already have Windows SDKs then find the library folder and correct it at configure's command below (like **C:\Program Files (x86)\Windows Kits\8.0\Lib\win8\um\x86**).

-#####Building library
+#### Building library

    configure -debug-and-release -force-debug-info -opensource -confirm-license -static -I "D:\TBuild\Libraries\openssl\Release\include" -L "C:\Program Files (x86)\Microsoft SDKs\Windows\v7.1A\Lib" -l Gdi32 -no-opengl -openssl-linked OPENSSL_LIBS_DEBUG="D:\TBuild\Libraries\openssl_debug\Debug\lib\ssleay32.lib D:\TBuild\Libraries\openssl_debug\Debug\lib\libeay32.lib" OPENSSL_LIBS_RELEASE="D:\TBuild\Libraries\openssl\Release\lib\ssleay32.lib D:\TBuild\Libraries\openssl\Release\lib\libeay32.lib" -mp -nomake examples -nomake tests -platform win32-msvc2015
    nmake
@ -186,15 +212,19 @@ If you already have Windows SDKs then find the library folder and correct it at

 building (**nmake** command) will take really long time.

-####Qt5Package
+### Qt5Package

 https://visualstudiogallery.msdn.microsoft.com/c89ff880-8509-47a4-a262-e4fa07168408

 Download, close all VS2015 instances and install for VS2015

-####Google Breakpad
+### Google Breakpad

-* Install Python 2.7.11 from https://www.python.org/downloads/release/python-2711/ > [**Windows x86 MSI installer**](https://www.python.org/ftp/python/2.7.11/python-2.7.11.msi)
+Breakpad is a set of client and server components which implement a crash-reporting system.
+
+#### Install
+
+* Install Python 2.7.12 from https://www.python.org/downloads/release/python-2712/ > [**Windows x86 MSI installer**](https://www.python.org/ftp/python/2.7.12/python-2.7.12.msi). Make sure that python is added to your `PATH` (there is an option for this in the python installer).
 * Open **VS2015 x86 Native Tools Command Prompt.bat** (should be in **Start Menu > Programs > Visual Studio 2015** menu folder)

 There go to Libraries directory
@ -204,19 +234,18 @@ There go to Libraries directory

 and run

-    set PATH=C:\Python27;%PATH%
    git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
    cd depot_tools
+    gclient config "https://chromium.googlesource.com/breakpad/breakpad.git"
    gclient sync
    cd ..
-    md breakpad
-    cd breakpad
+    md breakpad && cd breakpad
    ..\depot_tools\fetch breakpad
    ..\depot_tools\gclient sync
+    xcopy src\src\* src /s /i

-There's now a src folder within a src folder: D:\TBuild\Libraries\breakpad\src\src.  Telegram only expects one src folder.  Either via the command line or File Explorer, rename the top-level src folder and move the inner src folder one level up.  This way, what was once breakpad\src\src\client is now breakpad\src\client, etc.

-#####Building library
+#### Build

 * Open in VS2015 **D:\TBuild\Libraries\breakpad\src\client\windows\breakpad_client.sln**
 * Change "Treat WChar_t As Built in Type" to "No" in all projects & configurations
@ -224,7 +253,7 @@ There's now a src folder within a src folder: D:\TBuild\Libraries\breakpad\src\s
 * Build Debug configuration
 * Build Release configuration

-###Building Telegram Desktop
+## Building Telegram Desktop

 * Launch VS2015 for configuring Qt5Package
 * QT5 > Qt Options > Add
--- a/doc/building-qmake.md
+++ b/doc/building-qmake.md
@ -72,7 +72,7 @@ Building
    cd "$srcdir/Libraries/QtStatic"
    ./configure -prefix "$srcdir/qt" -release -opensource -confirm-license -qt-zlib \
                -qt-libpng -qt-libjpeg -qt-freetype -qt-harfbuzz -qt-pcre -qt-xcb \
-                -qt-xkbcommon-x11 -no-opengl -static -nomake examples -nomake tests
+                -qt-xkbcommon-x11 -no-opengl -no-gtkstyle -static -nomake examples -nomake tests
    make module-qtbase module-qtimageformats
    make module-qtbase-install_subtargets module-qtimageformats-install_subtargets

--- a/doc/building-qtcreator.md
+++ b/doc/building-qtcreator.md
@ -147,7 +147,7 @@ Install some packages for Qt (see **/home/user/TBuild/Libraries/qt5_6_0/qtbase/s

 In Terminal go to **/home/user/TBuild/Libraries/qt5_6_0** and there run

-    OPENSSL_LIBS='-L/usr/local/ssl/lib -lssl -lcrypto' ./configure -prefix "/usr/local/tdesktop/Qt-5.6.0" -release -force-debug-info -opensource -confirm-license -qt-zlib -qt-libpng -qt-libjpeg -qt-freetype -qt-harfbuzz -qt-pcre -qt-xcb -qt-xkbcommon-x11 -no-opengl -static -openssl-linked -nomake examples -nomake tests
+    OPENSSL_LIBS='-L/usr/local/ssl/lib -lssl -lcrypto' ./configure -prefix "/usr/local/tdesktop/Qt-5.6.0" -release -force-debug-info -opensource -confirm-license -qt-zlib -qt-libpng -qt-libjpeg -qt-freetype -qt-harfbuzz -qt-pcre -qt-xcb -qt-xkbcommon-x11 -no-opengl -no-gtkstyle -static -openssl-linked -nomake examples -nomake tests
    make -j4
    sudo make install