From 07359392c2e19ac08b633258eb1d7a9f45e271cd Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 30 Nov 2020 12:29:59 +0300
Subject: [PATCH] Added ability to override background and ripple colors in
 CallButton.

---
 ui/widgets/call_button.cpp | 21 +++++++++++++++++++--
 ui/widgets/call_button.h   |  9 +++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/ui/widgets/call_button.cpp b/ui/widgets/call_button.cpp
index fbd67e9..c43f870 100644
--- a/ui/widgets/call_button.cpp
+++ b/ui/widgets/call_button.cpp
@@ -126,7 +126,12 @@ void CallButton::paintEvent(QPaintEvent *e) {
 		p.drawEllipse(outerRect);
 	}
 
-	if (paintFrom) {
+	if (_bgOverride) {
+		const auto &s = _stFrom->bgSize;
+		p.setPen(Qt::NoPen);
+		p.setBrush(*_bgOverride);
+		p.drawEllipse(QRect(_stFrom->bgPosition, QSize(s, s)));
+	} else if (paintFrom) {
 		p.drawPixmap(bgPosition, _bgFrom);
 	} else if (paintTo) {
 		p.drawPixmap(bgPosition, _bgTo);
@@ -137,7 +142,9 @@ void CallButton::paintEvent(QPaintEvent *e) {
 
 	auto rippleColorInterpolated = QColor();
 	auto rippleColorOverride = &rippleColorInterpolated;
-	if (paintFrom) {
+	if (_rippleOverride) {
+		rippleColorOverride = &(*_rippleOverride);
+	} else if (paintFrom) {
 		rippleColorOverride = nullptr;
 	} else if (paintTo) {
 		rippleColorOverride = &_stTo->button.ripple.color->c;
@@ -202,6 +209,16 @@ void CallButton::onStateChanged(State was, StateChangeSource source) {
 	}
 }
 
+void CallButton::setColorOverrides(rpl::producer<CallButtonColors> &&colors) {
+	std::move(
+		colors
+	) | rpl::start_with_next([=](const CallButtonColors &c) {
+		_bgOverride = c.bg;
+		_rippleOverride = c.ripple;
+		update();
+	}, lifetime());
+}
+
 QPoint CallButton::prepareRippleStartPosition() const {
 	return mapFromGlobal(QCursor::pos()) - _stFrom->button.rippleAreaPosition;
 }
diff --git a/ui/widgets/call_button.h b/ui/widgets/call_button.h
index c02c441..cb65c57 100644
--- a/ui/widgets/call_button.h
+++ b/ui/widgets/call_button.h
@@ -14,6 +14,11 @@ namespace Ui {
 
 class FlatLabel;
 
+struct CallButtonColors {
+	std::optional<QColor> bg;
+	std::optional<QColor> ripple;
+};
+
 class CallButton final : public RippleButton {
 public:
 	CallButton(
@@ -24,6 +29,7 @@ public:
 	void setProgress(float64 progress);
 	void setOuterValue(float64 value);
 	void setText(rpl::producer<QString> text);
+	void setColorOverrides(rpl::producer<CallButtonColors> &&colors);
 
 protected:
 	void paintEvent(QPaintEvent *e) override;
@@ -43,6 +49,9 @@ private:
 
 	object_ptr<FlatLabel> _label = { nullptr };
 
+	std::optional<QColor> _bgOverride;
+	std::optional<QColor> _rippleOverride;
+
 	QImage _bgMask, _bg;
 	QPixmap _bgFrom, _bgTo;
 	QImage _iconMixedMask, _iconFrom, _iconTo, _iconMixed;