diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87d41a8..562ba9c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -102,6 +102,7 @@ PRIVATE
     ui/style/style_core_scale.h
     ui/style/style_core_types.cpp
     ui/style/style_core_types.h
+    ui/text/qtextitemint.cpp
     ui/text/text.cpp
     ui/text/text.h
     ui/text/text_block.cpp
diff --git a/ui/basic.style b/ui/basic.style
index 6c49f39..3f0832e 100644
--- a/ui/basic.style
+++ b/ui/basic.style
@@ -233,8 +233,8 @@ emojiReplaceHeight: 56px;
 emojiReplaceInnerHeight: 42px;
 emojiReplacePadding: 14px;
 
-dragFont: font(28px semibold);
-dragSubfont: font(20px semibold);
+dragFont: font(27px semibold);
+dragSubfont: font(19px semibold);
 dragColor: windowSubTextFg;
 dragDropColor: windowActiveTextFg;
 
diff --git a/ui/text/qtextitemint.cpp b/ui/text/qtextitemint.cpp
new file mode 100644
index 0000000..20c33a9
--- /dev/null
+++ b/ui/text/qtextitemint.cpp
@@ -0,0 +1,54 @@
+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#ifdef DESKTOP_APP_USE_PACKAGED
+#include <private/qtextengine_p.h>
+
+QTextItemInt::QTextItemInt(
+	const QGlyphLayout &g,
+	QFont *font,
+	const QChar *chars_,
+	int numChars,
+	QFontEngine *fe,
+	const QTextCharFormat &format)
+: flags(0)
+, justified(false)
+, underlineStyle(QTextCharFormat::NoUnderline)
+, charFormat(format)
+, num_chars(numChars)
+, chars(chars_)
+, logClusters(0)
+, f(font)
+, glyphs(g)
+, fontEngine(fe) {
+}
+
+void QTextItemInt::initWithScriptItem(const QScriptItem &si) {
+	// explicitly initialize flags so that initFontAttributes can be called
+	// multiple times on the same TextItem
+	flags = 0;
+	if (si.analysis.bidiLevel %2)
+		flags |= QTextItem::RightToLeft;
+	ascent = si.ascent;
+	descent = si.descent;
+
+	if (charFormat.hasProperty(QTextFormat::TextUnderlineStyle)) {
+		underlineStyle = charFormat.underlineStyle();
+	} else if (charFormat.boolProperty(QTextFormat::FontUnderline)
+				|| f->d->underline) {
+		underlineStyle = QTextCharFormat::SingleUnderline;
+	}
+
+	// compat
+	if (underlineStyle == QTextCharFormat::SingleUnderline)
+		flags |= QTextItem::Underline;
+
+	if (f->d->overline || charFormat.fontOverline())
+		flags |= QTextItem::Overline;
+	if (f->d->strikeOut || charFormat.fontStrikeOut())
+		flags |= QTextItem::StrikeOut;
+}
+#endif // !DESKTOP_APP_USE_PACKAGED
diff --git a/ui/widgets/checkbox.cpp b/ui/widgets/checkbox.cpp
index d921e51..3822d50 100644
--- a/ui/widgets/checkbox.cpp
+++ b/ui/widgets/checkbox.cpp
@@ -394,7 +394,37 @@ Checkbox::Checkbox(
 	const style::Toggle &toggleSt)
 : Checkbox(
 	parent,
-	text,
+	rpl::single(text),
+	st,
+	std::make_unique<ToggleView>(
+		toggleSt,
+		checked)) {
+}
+
+Checkbox::Checkbox(
+	QWidget *parent,
+	rpl::producer<QString> &&text,
+	bool checked,
+	const style::Checkbox &st,
+	const style::Check &checkSt)
+: Checkbox(
+	parent,
+	std::move(text),
+	st,
+	std::make_unique<CheckView>(
+		checkSt,
+		checked)) {
+}
+
+Checkbox::Checkbox(
+	QWidget *parent,
+	rpl::producer<QString> &&text,
+	bool checked,
+	const style::Checkbox &st,
+	const style::Toggle &toggleSt)
+: Checkbox(
+	parent,
+	std::move(text),
 	st,
 	std::make_unique<ToggleView>(
 		toggleSt,
@@ -406,17 +436,34 @@ Checkbox::Checkbox(
 	const QString &text,
 	const style::Checkbox &st,
 	std::unique_ptr<AbstractCheckView> check)
+: Checkbox(
+	parent,
+	rpl::single(text),
+	st,
+	std::move(check)) {
+}
+
+Checkbox::Checkbox(
+	QWidget *parent,
+	rpl::producer<QString> &&text,
+	const style::Checkbox &st,
+	std::unique_ptr<AbstractCheckView> check)
 : RippleButton(parent, st.ripple)
 , _st(st)
 , _check(std::move(check))
 , _text(
 		_st.style,
-		text,
+		QString(),
 		_checkboxOptions,
 		countTextMinWidth()) {
 	_check->setUpdateCallback([=] { update(); });
 	resizeToText();
 	setCursor(style::cur_pointer);
+	std::move(
+		text
+	) | rpl::start_with_next([=](QString &&value) {
+		setText(std::move(value));
+	}, lifetime());
 }
 
 int Checkbox::countTextMinWidth() const {
diff --git a/ui/widgets/checkbox.h b/ui/widgets/checkbox.h
index d12121e..7c0d7de 100644
--- a/ui/widgets/checkbox.h
+++ b/ui/widgets/checkbox.h
@@ -146,11 +146,28 @@ public:
 		bool checked,
 		const style::Checkbox &st,
 		const style::Toggle &toggleSt);
+	Checkbox(
+		QWidget *parent,
+		rpl::producer<QString> &&text,
+		bool checked = false,
+		const style::Checkbox &st = st::defaultCheckbox,
+		const style::Check &checkSt = st::defaultCheck);
+	Checkbox(
+		QWidget *parent,
+		rpl::producer<QString> &&text,
+		bool checked,
+		const style::Checkbox &st,
+		const style::Toggle &toggleSt);
 	Checkbox(
 		QWidget *parent,
 		const QString &text,
 		const style::Checkbox &st,
 		std::unique_ptr<AbstractCheckView> check);
+	Checkbox(
+		QWidget *parent,
+		rpl::producer<QString> &&text,
+		const style::Checkbox &st,
+		std::unique_ptr<AbstractCheckView> check);
 
 	void setText(const QString &text, bool rich = false);
 	void setCheckAlignment(style::align alignment);