diff --git a/Telegram/SourceFiles/calls/calls_panel.cpp b/Telegram/SourceFiles/calls/calls_panel.cpp
index c62fd32f65..0ae43869bd 100644
--- a/Telegram/SourceFiles/calls/calls_panel.cpp
+++ b/Telegram/SourceFiles/calls/calls_panel.cpp
@@ -184,7 +184,7 @@ void Panel::refreshCallbacks() {
 }
 
 void Panel::initLayout() {
-	setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::WindowStaysOnTopHint | Qt::BypassWindowManagerHint | Qt::NoDropShadowWindowHint | Qt::Tool);
+	setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::WindowStaysOnTopHint | Qt::BypassWindowManagerHint | Qt::NoDropShadowWindowHint | Qt::Dialog);
 	setAttribute(Qt::WA_MacAlwaysShowToolWindow);
 	setAttribute(Qt::WA_NoSystemBackground, true);
 	setAttribute(Qt::WA_TranslucentBackground, true);
@@ -267,8 +267,9 @@ bool Panel::isGoodUserPhoto(PhotoData *photo) {
 
 void Panel::initGeometry() {
 	auto center = Messenger::Instance().getPointForCallPanelCenter();
-	_useTransparency = Platform::TransparentWindowsSupported(center);
-	_padding = _useTransparency ? st::callShadow.extend : style::margins();
+	_useTransparency = Platform::TranslucentWindowsSupported(center);
+	setAttribute(Qt::WA_OpaquePaintEvent, !_useTransparency);
+	_padding = _useTransparency ? st::callShadow.extend : style::margins(st::lineWidth, st::lineWidth, st::lineWidth, st::lineWidth);
 	_contentTop = _padding.top() + st::callWidth;
 	auto screen = QApplication::desktop()->screenGeometry(center);
 	auto rect = QRect(0, 0, st::callWidth, st::callHeight);
@@ -359,10 +360,17 @@ void Panel::updateStatusGeometry() {
 void Panel::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 	if (_useTransparency) {
+		Platform::StartTranslucentPaint(p, e);
 		p.drawPixmapLeft(0, 0, width(), _cache);
 	} else {
-		p.drawPixmapLeft(0, 0, width(), _userPhoto);
-		p.fillRect(myrtlrect(0, st::callWidth, width(), height() - st::callWidth), st::callBg);
+		p.drawPixmapLeft(_padding.left(), _padding.top(), width(), _userPhoto);
+		auto callBgOpaque = st::callBg->c;
+		callBgOpaque.setAlpha(255);
+		auto brush = QBrush(callBgOpaque);
+		p.fillRect(0, 0, width(), _padding.top(), brush);
+		p.fillRect(myrtlrect(0, _padding.top(), _padding.left(), _contentTop - _padding.top()), brush);
+		p.fillRect(myrtlrect(width() - _padding.right(), _padding.top(), _padding.right(), _contentTop - _padding.top()), brush);
+		p.fillRect(0, _contentTop, width(), height() - _contentTop, brush);
 	}
 
 	if (!_fingerprint.empty()) {
@@ -381,10 +389,16 @@ void Panel::paintEvent(QPaintEvent *e) {
 
 void Panel::mousePressEvent(QMouseEvent *e) {
 	auto dragArea = myrtlrect(_padding.left(), _padding.top(), st::callWidth, st::callWidth);
-	if (e->button() == Qt::LeftButton && dragArea.contains(e->pos())) {
-		_dragging = true;
-		_dragStartMousePosition = e->globalPos();
-		_dragStartMyPosition = QPoint(x(), y());
+	if (e->button() == Qt::LeftButton) {
+		if (dragArea.contains(e->pos())) {
+			_dragging = true;
+			_dragStartMousePosition = e->globalPos();
+			_dragStartMyPosition = QPoint(x(), y());
+		} else if (!rect().contains(e->pos())) {
+			if (_call && _call->state() == State::Established) {
+				hideDeactivated();
+			}
+		}
 	}
 }
 
@@ -458,8 +472,15 @@ void Panel::stateChanged(State state) {
 	if (_fingerprint.empty() && _call && _call->isKeyShaForFingerprintReady()) {
 		fillFingerprint();
 	}
-	if (state == State::Established && !isActiveWindow()) {
-		hideDeactivated();
+	if ((state == State::Starting) || (state == State::WaitingIncoming)) {
+		Platform::ReInitOnTopPanel(this);
+	} else {
+		Platform::DeInitOnTopPanel(this);
+	}
+	if (state == State::Established) {
+		if (!isActiveWindow()) {
+			hideDeactivated();
+		}
 	}
 }
 
diff --git a/Telegram/SourceFiles/platform/linux/specific_linux.cpp b/Telegram/SourceFiles/platform/linux/specific_linux.cpp
index 157c033834..3f2192f5c2 100644
--- a/Telegram/SourceFiles/platform/linux/specific_linux.cpp
+++ b/Telegram/SourceFiles/platform/linux/specific_linux.cpp
@@ -377,10 +377,7 @@ void finish() {
 	_psEventFilter = nullptr;
 }
 
-void SetWatchingMediaKeys(bool watching) {
-}
-
-bool TransparentWindowsSupported(QPoint globalPosition) {
+bool TranslucentWindowsSupported(QPoint globalPosition) {
 	if (auto app = static_cast<QGuiApplication*>(QCoreApplication::instance())) {
 		if (auto native = app->platformNativeInterface()) {
 			if (auto desktop = QApplication::desktop()) {
@@ -405,9 +402,6 @@ bool TransparentWindowsSupported(QPoint globalPosition) {
 	return false;
 }
 
-void InitOnTopPanel(QWidget *panel) {
-}
-
 namespace ThirdParty {
 
 void start() {
diff --git a/Telegram/SourceFiles/platform/linux/specific_linux.h b/Telegram/SourceFiles/platform/linux/specific_linux.h
index 0117f4a07f..290aa814d5 100644
--- a/Telegram/SourceFiles/platform/linux/specific_linux.h
+++ b/Telegram/SourceFiles/platform/linux/specific_linux.h
@@ -20,6 +20,25 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 #include <execinfo.h>
 #include <signal.h>
 
+namespace Platform {
+
+inline void SetWatchingMediaKeys(bool watching) {
+}
+
+inline void StartTranslucentPaint(QPainter &p, QPaintEvent *e) {
+}
+
+inline void InitOnTopPanel(QWidget *panel) {
+}
+
+inline void DeInitOnTopPanel(QWidget *panel) {
+}
+
+inline void ReInitOnTopPanel(QWidget *panel) {
+}
+
+} // namespace Platform
+
 inline QString psServerPrefix() {
     return qsl("/tmp/");
 }
diff --git a/Telegram/SourceFiles/platform/mac/main_window_mac.h b/Telegram/SourceFiles/platform/mac/main_window_mac.h
index 770cf00568..911a19fa8f 100644
--- a/Telegram/SourceFiles/platform/mac/main_window_mac.h
+++ b/Telegram/SourceFiles/platform/mac/main_window_mac.h
@@ -48,9 +48,6 @@ public:
 		return _customTitleHeight;
 	}
 
-	// It is placed here while the window handles activeSpaceDidChange event.
-	void customNotificationCreated(QWidget *notification);
-
 	~MainWindow();
 
 	class Private;
@@ -104,16 +101,9 @@ private:
 	void updateTitleCounter();
 	void updateIconCounters();
 
-	class CustomNotificationHandle;
-	friend class CustomNotificationHandle;
-	void customNotificationDestroyed(CustomNotificationHandle *handle);
-	void activateCustomNotifications();
-
 	friend class Private;
 	std::unique_ptr<Private> _private;
 
-	std::set<CustomNotificationHandle*> _customNotifications;
-
 	mutable bool psIdle;
 	mutable QTimer psIdleTimer;
 
diff --git a/Telegram/SourceFiles/platform/mac/main_window_mac.mm b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
index 639f8b8c70..eff6609bef 100644
--- a/Telegram/SourceFiles/platform/mac/main_window_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
@@ -73,7 +73,6 @@ public:
 
 	void willEnterFullScreen();
 	void willExitFullScreen();
-	void activateCustomNotifications();
 
 	void initCustomTitle(NSWindow *window, NSView *view);
 
@@ -92,25 +91,6 @@ private:
 
 };
 
-class MainWindow::CustomNotificationHandle : public QObject {
-public:
-	CustomNotificationHandle(QWidget *parent) : QObject(parent) {
-	}
-
-	void activate() {
-		auto widget = static_cast<QWidget*>(parent());
-		NSWindow *wnd = [reinterpret_cast<NSView *>(widget->winId()) window];
-		[wnd orderFront:wnd];
-	}
-
-	~CustomNotificationHandle() {
-		if (auto window = App::wnd()) {
-			window->customNotificationDestroyed(this);
-		}
-	}
-
-};
-
 } // namespace Platform
 
 @implementation MainWindowObserver {
@@ -126,7 +106,6 @@ public:
 }
 
 - (void) activeSpaceDidChange:(NSNotification *)aNotification {
-	_private->activateCustomNotifications();
 }
 
 - (void) darkModeChanged:(NSNotification *)aNotification {
@@ -211,10 +190,6 @@ void MainWindow::Private::willExitFullScreen() {
 	_public->setTitleVisible(true);
 }
 
-void MainWindow::Private::activateCustomNotifications() {
-	_public->activateCustomNotifications();
-}
-
 void MainWindow::Private::enableShadow(WId winId) {
 //	[[(NSView*)winId window] setStyleMask:NSBorderlessWindowMask];
 //	[[(NSView*)winId window] setHasShadow:YES];
@@ -527,20 +502,6 @@ void MainWindow::psUpdateSysMenu(Qt::WindowState state) {
 void MainWindow::psUpdateMargins() {
 }
 
-void MainWindow::customNotificationCreated(QWidget *notification) {
-	_customNotifications.insert(object_ptr<CustomNotificationHandle>(notification));
-}
-
-void MainWindow::customNotificationDestroyed(CustomNotificationHandle *handle) {
-	_customNotifications.erase(handle);
-}
-
-void MainWindow::activateCustomNotifications() {
-	for (auto handle : _customNotifications) {
-		handle->activate();
-	}
-}
-
 void MainWindow::updateGlobalMenuHook() {
 	if (!App::wnd() || !positionInited()) return;
 
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac.cpp b/Telegram/SourceFiles/platform/mac/specific_mac.cpp
index 45cd8763df..b519e29b2b 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac.cpp
+++ b/Telegram/SourceFiles/platform/mac/specific_mac.cpp
@@ -396,19 +396,14 @@ void finish() {
 	objc_finish();
 }
 
-bool TransparentWindowsSupported(QPoint globalPosition) {
-	return true;
+void StartTranslucentPaint(QPainter &p, QPaintEvent *e) {
+#ifdef OS_MAC_OLD
+	p.setCompositionMode(QPainter::CompositionMode_Source);
+	p.fillRect(e->rect(), Qt::transparent);
+	p.setCompositionMode(QPainter::CompositionMode_SourceOver);
+#endif // OS_MAC_OLD
 }
 
-namespace ThirdParty {
-
-void start() {
-}
-
-void finish() {
-}
-
-} // namespace ThirdParty
 } // namespace Platform
 
 void psNewVersion() {
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac.h b/Telegram/SourceFiles/platform/mac/specific_mac.h
index 3804c688c6..7fc27c4547 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac.h
+++ b/Telegram/SourceFiles/platform/mac/specific_mac.h
@@ -19,6 +19,23 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 
 #include "platform/mac/specific_mac_p.h"
 
+namespace Platform {
+
+inline bool TranslucentWindowsSupported(QPoint globalPosition) {
+	return true;
+}
+
+namespace ThirdParty {
+
+inline void start() {
+}
+
+inline void finish() {
+}
+
+} // namespace ThirdParty
+} // namespace Platform
+
 inline QString psServerPrefix() {
 #ifndef OS_MAC_STORE
     return qsl("/tmp/");
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac_p.mm b/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
index 9751a4a816..3b5e54b705 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
+++ b/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
@@ -215,13 +215,27 @@ void InitOnTopPanel(QWidget *panel) {
 	[platformPanel setFloatingPanel:YES];
 	[platformPanel setHidesOnDeactivate:NO];
 
-	if (auto window = App::wnd()) {
-		window->customNotificationCreated(panel);
-	}
-
 	objc_ignoreApplicationActivationRightNow();
 }
 
+void DeInitOnTopPanel(QWidget *panel) {
+	auto platformWindow = [reinterpret_cast<NSView*>(panel->winId()) window];
+	t_assert([platformWindow isKindOfClass:[NSPanel class]]);
+
+	auto platformPanel = static_cast<NSPanel*>(platformWindow);
+	auto newBehavior = ([platformPanel collectionBehavior] & (~NSWindowCollectionBehaviorCanJoinAllSpaces)) | NSWindowCollectionBehaviorMoveToActiveSpace;
+	[platformPanel setCollectionBehavior:newBehavior];
+}
+
+void ReInitOnTopPanel(QWidget *panel) {
+	auto platformWindow = [reinterpret_cast<NSView*>(panel->winId()) window];
+	t_assert([platformWindow isKindOfClass:[NSPanel class]]);
+
+	auto platformPanel = static_cast<NSPanel*>(platformWindow);
+	auto newBehavior = ([platformPanel collectionBehavior] & (~NSWindowCollectionBehaviorMoveToActiveSpace)) | NSWindowCollectionBehaviorCanJoinAllSpaces;
+	[platformPanel setCollectionBehavior:newBehavior];
+}
+
 } // namespace Platform
 
 bool objc_darkMode() {
diff --git a/Telegram/SourceFiles/platform/platform_specific.h b/Telegram/SourceFiles/platform/platform_specific.h
index f5cca73ce5..afdac112ff 100644
--- a/Telegram/SourceFiles/platform/platform_specific.h
+++ b/Telegram/SourceFiles/platform/platform_specific.h
@@ -34,9 +34,11 @@ void start();
 void finish();
 
 void SetWatchingMediaKeys(bool watching);
-bool TransparentWindowsSupported(QPoint globalPosition);
-
+bool TranslucentWindowsSupported(QPoint globalPosition);
+void StartTranslucentPaint(QPainter &p, QPaintEvent *e);
 void InitOnTopPanel(QWidget *panel);
+void DeInitOnTopPanel(QWidget *panel);
+void ReInitOnTopPanel(QWidget *panel);
 
 namespace ThirdParty {
 
diff --git a/Telegram/SourceFiles/platform/win/specific_win.cpp b/Telegram/SourceFiles/platform/win/specific_win.cpp
index f452fcd4d4..8115b3fbdb 100644
--- a/Telegram/SourceFiles/platform/win/specific_win.cpp
+++ b/Telegram/SourceFiles/platform/win/specific_win.cpp
@@ -527,16 +527,6 @@ void finish() {
 	EventFilter::destroy();
 }
 
-void SetWatchingMediaKeys(bool watching) {
-}
-
-bool TransparentWindowsSupported(QPoint globalPosition) {
-	return true;
-}
-
-void InitOnTopPanel(QWidget *panel) {
-}
-
 namespace ThirdParty {
 
 void start() {
diff --git a/Telegram/SourceFiles/platform/win/specific_win.h b/Telegram/SourceFiles/platform/win/specific_win.h
index 2d1f0a22d0..1d98dbff91 100644
--- a/Telegram/SourceFiles/platform/win/specific_win.h
+++ b/Telegram/SourceFiles/platform/win/specific_win.h
@@ -22,6 +22,29 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 
 #include <windows.h>
 
+namespace Platform {
+
+inline void SetWatchingMediaKeys(bool watching) {
+}
+
+inline bool TranslucentWindowsSupported(QPoint globalPosition) {
+	return true;
+}
+
+inline void StartTranslucentPaint(QPainter &p, QPaintEvent *e) {
+}
+
+inline void InitOnTopPanel(QWidget *panel) {
+}
+
+inline void DeInitOnTopPanel(QWidget *panel) {
+}
+
+inline void ReInitOnTopPanel(QWidget *panel) {
+}
+
+} // namespace Platform
+
 inline QString psServerPrefix() {
 	return qsl("Global\\");
 }
diff --git a/Telegram/SourceFiles/ui/widgets/popup_menu.cpp b/Telegram/SourceFiles/ui/widgets/popup_menu.cpp
index 24ccce5c5f..df9c281891 100644
--- a/Telegram/SourceFiles/ui/widgets/popup_menu.cpp
+++ b/Telegram/SourceFiles/ui/widgets/popup_menu.cpp
@@ -107,11 +107,9 @@ PopupMenu::Actions &PopupMenu::actions() {
 void PopupMenu::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
-#ifdef OS_MAC_OLD
-	p.setCompositionMode(QPainter::CompositionMode_Source);
-	p.fillRect(e->rect(), Qt::transparent);
-	p.setCompositionMode(QPainter::CompositionMode_SourceOver);
-#endif // OS_MAC_OLD
+	if (_useTransparency) {
+		Platform::StartTranslucentPaint(p, e);
+	}
 
 	auto ms = getms();
 	if (_a_show.animating(ms)) {
@@ -425,7 +423,8 @@ void PopupMenu::showMenu(const QPoint &p, PopupMenu *parent, TriggeredSource sou
 	auto origin = PanelAnimation::Origin::TopLeft;
 	auto w = p - QPoint(0, _padding.top());
 	auto r = Sandbox::screenGeometry(p);
-	_useTransparency = Platform::TransparentWindowsSupported(p);
+	_useTransparency = Platform::TranslucentWindowsSupported(p);
+	setAttribute(Qt::WA_OpaquePaintEvent, !_useTransparency);
 	handleCompositingUpdate();
 	if (rtl()) {
 		if (w.x() - width() < r.x() - _padding.left()) {
diff --git a/Telegram/SourceFiles/ui/widgets/tooltip.cpp b/Telegram/SourceFiles/ui/widgets/tooltip.cpp
index 7c63fe0b8d..bd1b9bf9e4 100644
--- a/Telegram/SourceFiles/ui/widgets/tooltip.cpp
+++ b/Telegram/SourceFiles/ui/widgets/tooltip.cpp
@@ -19,6 +19,7 @@
 
 #include "mainwindow.h"
 #include "styles/style_widgets.h"
+#include "platform/platform_specific.h"
 
 namespace Ui {
 
@@ -45,17 +46,17 @@ AbstractTooltipShower::~AbstractTooltipShower() {
 Tooltip::Tooltip() : TWidget(nullptr) {
 	TooltipInstance = this;
 
-	setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::BypassWindowManagerHint | Qt::ToolTip | Qt::NoDropShadowWindowHint);
+	setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint) | Qt::BypassWindowManagerHint | Qt::NoDropShadowWindowHint | Qt::ToolTip);
 	setAttribute(Qt::WA_NoSystemBackground, true);
 	setAttribute(Qt::WA_TranslucentBackground, true);
 
-	_showTimer.setSingleShot(true);
-	connect(&_showTimer, SIGNAL(timeout()), this, SLOT(onShow()));
+	_showTimer.setCallback([this] { performShow(); });
+	_hideByLeaveTimer.setCallback([this] { Hide(); });
 
 	connect(App::wnd()->windowHandle(), SIGNAL(activeChanged()), this, SLOT(onWndActiveChanged()));
 }
 
-void Tooltip::onShow() {
+void Tooltip::performShow() {
 	if (_shower) {
 		auto text = _shower->tooltipWindowActive() ? _shower->tooltipText() : QString();
 		if (text.isEmpty()) {
@@ -74,9 +75,9 @@ void Tooltip::onWndActiveChanged() {
 
 bool Tooltip::eventFilter(QObject *o, QEvent *e) {
 	if (e->type() == QEvent::Leave) {
-		_hideByLeaveTimer.start(10);
+		_hideByLeaveTimer.callOnce(10);
 	} else if (e->type() == QEvent::Enter) {
-		_hideByLeaveTimer.stop();
+		_hideByLeaveTimer.cancel();
 	} else if (e->type() == QEvent::MouseMove) {
 		if ((QCursor::pos() - _point).manhattanLength() > QApplication::startDragDistance()) {
 			Hide();
@@ -85,10 +86,6 @@ bool Tooltip::eventFilter(QObject *o, QEvent *e) {
 	return TWidget::eventFilter(o, e);
 }
 
-void Tooltip::onHideByLeave() {
-	Hide();
-}
-
 Tooltip::~Tooltip() {
 	if (TooltipInstance == this) {
 		TooltipInstance = 0;
@@ -96,10 +93,7 @@ Tooltip::~Tooltip() {
 }
 
 void Tooltip::popup(const QPoint &m, const QString &text, const style::Tooltip *st) {
-	if (!_hideByLeaveTimer.isSingleShot()) {
-		_hideByLeaveTimer.setSingleShot(true);
-		connect(&_hideByLeaveTimer, SIGNAL(timeout()), this, SLOT(onHideByLeave()));
-
+	if (!_isEventFilter) {
 		QCoreApplication::instance()->installEventFilter(this);
 	}
 
@@ -107,7 +101,7 @@ void Tooltip::popup(const QPoint &m, const QString &text, const style::Tooltip *
 	_st = st;
 	_text = Text(_st->textStyle, text, _textPlainOptions, _st->widthMax, true);
 
-	_useTransparency = Platform::TransparentWindowsSupported(_point);
+	_useTransparency = Platform::TranslucentWindowsSupported(_point);
 	setAttribute(Qt::WA_OpaquePaintEvent, !_useTransparency);
 
 	int32 addw = 2 * st::lineWidth + _st->textPadding.left() + _st->textPadding.right();
@@ -150,18 +144,16 @@ void Tooltip::popup(const QPoint &m, const QString &text, const style::Tooltip *
 
 	setGeometry(QRect(p, s));
 
-	_hideByLeaveTimer.stop();
+	_hideByLeaveTimer.cancel();
 	show();
 }
 
 void Tooltip::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
-#ifdef OS_MAC_OLD
-	p.setCompositionMode(QPainter::CompositionMode_Source);
-	p.fillRect(e->rect(), Qt::transparent);
-	p.setCompositionMode(QPainter::CompositionMode_SourceOver);
-#endif // OS_MAC_OLD
+	if (_useTransparency) {
+		Platform::StartTranslucentPaint(p, e);
+	}
 
 	if (_useTransparency) {
 		p.setPen(_st->textBorder);
@@ -194,17 +186,17 @@ void Tooltip::Show(int32 delay, const AbstractTooltipShower *shower) {
 	}
 	TooltipInstance->_shower = shower;
 	if (delay >= 0) {
-		TooltipInstance->_showTimer.start(delay);
+		TooltipInstance->_showTimer.callOnce(delay);
 	} else {
-		TooltipInstance->onShow();
+		TooltipInstance->performShow();
 	}
 }
 
 void Tooltip::Hide() {
 	if (auto instance = TooltipInstance) {
 		TooltipInstance = nullptr;
-		instance->_showTimer.stop();
-		instance->_hideByLeaveTimer.stop();
+		instance->_showTimer.cancel();
+		instance->_hideByLeaveTimer.cancel();
 		instance->hide();
 		instance->deleteLater();
 	}
diff --git a/Telegram/SourceFiles/ui/widgets/tooltip.h b/Telegram/SourceFiles/ui/widgets/tooltip.h
index ee530798d9..134a93b12f 100644
--- a/Telegram/SourceFiles/ui/widgets/tooltip.h
+++ b/Telegram/SourceFiles/ui/widgets/tooltip.h
@@ -17,6 +17,8 @@
  */
 #pragma once
 
+#include "base/timer.h"
+
 namespace style {
 struct Tooltip;
 } // namespace style
@@ -41,9 +43,7 @@ public:
 	static void Hide();
 
 private slots:
-	void onShow();
 	void onWndActiveChanged();
-	void onHideByLeave();
 
 protected:
 	void paintEvent(QPaintEvent *e) override;
@@ -52,6 +52,8 @@ protected:
 	bool eventFilter(QObject *o, QEvent *e) override;
 
 private:
+	void performShow();
+
 	Tooltip();
 	~Tooltip();
 
@@ -59,14 +61,15 @@ private:
 
 	friend class AbstractTooltipShower;
 	const AbstractTooltipShower *_shower = nullptr;
-	QTimer _showTimer;
+	base::Timer _showTimer;
 
 	Text _text;
 	QPoint _point;
 
 	const style::Tooltip *_st = nullptr;
 
-	QTimer _hideByLeaveTimer;
+	base::Timer _hideByLeaveTimer;
+	bool _isEventFilter = false;
 	bool _useTransparency = true;
 
 };