Moved out gradient round button to td_ui.

Telegram/SourceFiles/boxes/sticker_preview_box.cpp

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/chat/chat_theme.h"
 #include "ui/layers/generic_box.h"
 #include "ui/widgets/buttons.h"
+#include "ui/widgets/gradient_round_button.h"
 #include "ui/wrap/padding_wrap.h"
 #include "lottie/lottie_single_player.h"
 #include "history/view/media/history_view_sticker.h"
@@ -139,56 +140,10 @@ void PreloadSticker(const std::shared_ptr<Data::DocumentMedia> &media) {
 	return result;
 }
 
-class GradientButton final : public Ui::RippleButton {
-public:
-	GradientButton(QWidget *widget, QGradientStops stops);
-
-private:
-	void paintEvent(QPaintEvent *e);
-	void validateBg();
-
-	QGradientStops _stops;
-	QImage _bg;
-
-};
-
-GradientButton::GradientButton(QWidget *widget, QGradientStops stops)
-: RippleButton(widget, st::defaultRippleAnimation)
-, _stops(std::move(stops)) {
-}
-
-void GradientButton::paintEvent(QPaintEvent *e) {
-	QPainter p(this);
-
-	validateBg();
-	p.drawImage(0, 0, _bg);
-	const auto ripple = QColor(0, 0, 0, 36);
-	paintRipple(p, 0, 0, &ripple);
-}
-
-void GradientButton::validateBg() {
-	const auto factor = devicePixelRatio();
-	if (!_bg.isNull()
-		&& (_bg.devicePixelRatio() == factor)
-		&& (_bg.size() == size() * factor)) {
-		return;
-	}
-	_bg = QImage(size() * factor, QImage::Format_ARGB32_Premultiplied);
-	_bg.setDevicePixelRatio(factor);
-
-	auto p = QPainter(&_bg);
-	auto gradient = QLinearGradient(QPointF(0, 0), QPointF(width(), 0));
-	gradient.setStops(_stops);
-	p.fillRect(rect(), gradient);
-	p.end();
-
-	_bg = Images::Round(std::move(_bg), ImageRoundRadius::Large);
-}
-
 [[nodiscard]] object_ptr<Ui::AbstractButton> CreateGradientButton(
 		QWidget *parent,
 		QGradientStops stops) {
-	return object_ptr<GradientButton>(parent, std::move(stops));
+	return object_ptr<Ui::GradientButton>(parent, std::move(stops));
 }
 
 [[nodiscard]] object_ptr<Ui::AbstractButton> CreatePremiumButton(

Telegram/SourceFiles/ui/widgets/gradient_round_button.cpp

@@ -0,0 +1,47 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "ui/widgets/gradient_round_button.h"
+
+#include "ui/image/image_prepare.h"
+
+namespace Ui {
+
+GradientButton::GradientButton(QWidget *widget, QGradientStops stops)
+: RippleButton(widget, st::defaultRippleAnimation)
+, _stops(std::move(stops)) {
+}
+
+void GradientButton::paintEvent(QPaintEvent *e) {
+	QPainter p(this);
+
+	validateBg();
+	p.drawImage(0, 0, _bg);
+	const auto ripple = QColor(0, 0, 0, 36);
+	paintRipple(p, 0, 0, &ripple);
+}
+
+void GradientButton::validateBg() {
+	const auto factor = devicePixelRatio();
+	if (!_bg.isNull()
+		&& (_bg.devicePixelRatio() == factor)
+		&& (_bg.size() == size() * factor)) {
+		return;
+	}
+	_bg = QImage(size() * factor, QImage::Format_ARGB32_Premultiplied);
+	_bg.setDevicePixelRatio(factor);
+
+	auto p = QPainter(&_bg);
+	auto gradient = QLinearGradient(QPointF(0, 0), QPointF(width(), 0));
+	gradient.setStops(_stops);
+	p.fillRect(rect(), gradient);
+	p.end();
+
+	_bg = Images::Round(std::move(_bg), ImageRoundRadius::Large);
+}
+
+} // namespace Ui

Telegram/SourceFiles/ui/widgets/gradient_round_button.h

@@ -0,0 +1,27 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/widgets/buttons.h"
+
+namespace Ui {
+
+class GradientButton final : public Ui::RippleButton {
+public:
+	GradientButton(QWidget *widget, QGradientStops stops);
+
+private:
+	void paintEvent(QPaintEvent *e);
+	void validateBg();
+
+	QGradientStops _stops;
+	QImage _bg;
+
+};
+
+} // namespace Ui

Telegram/cmake/td_ui.cmake

@@ -241,6 +241,8 @@ PRIVATE
     ui/widgets/continuous_sliders.h
     ui/widgets/discrete_sliders.cpp
     ui/widgets/discrete_sliders.h
+    ui/widgets/gradient_round_button.cpp
+    ui/widgets/gradient_round_button.h
     ui/widgets/multi_select.cpp
     ui/widgets/multi_select.h
     ui/widgets/sent_code_field.cpp

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit 9c09b1fad07d5048b55a1dfcb27c7d1a585bba55
+Subproject commit cea7f128a55a3f93df956ad21eb51634f851cc70