init

Telegram/lib_ui/ui/widgets/call_button.h

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+// 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
+//
+#pragma once
+
+#include "base/object_ptr.h"
+#include "ui/widgets/buttons.h"
+#include "ui/effects/animations.h"
+
+namespace Ui {
+
+class FlatLabel;
+
+struct CallButtonColors {
+	std::optional<QColor> bg;
+	std::optional<QColor> ripple;
+};
+
+class CallButton final : public RippleButton {
+public:
+	CallButton(
+		QWidget *parent,
+		const style::CallButton &stFrom,
+		const style::CallButton *stTo = nullptr);
+
+	void setProgress(float64 progress);
+	void setOuterValue(float64 value);
+	void setText(rpl::producer<QString> text);
+	void setColorOverrides(rpl::producer<CallButtonColors> &&colors);
+
+	void setStyle(
+		const style::CallButton &stFrom,
+		const style::CallButton *stTo = nullptr);
+
+	[[nodiscard]] not_null<CallButton*> addCornerButton(
+		const style::CallButton &stFrom,
+		const style::CallButton *stTo = nullptr);
+
+private:
+	void paintEvent(QPaintEvent *e) override;
+
+	void onStateChanged(State was, StateChangeSource source) override;
+
+	QImage prepareRippleMask() const override;
+	QPoint prepareRippleStartPosition() const override;
+
+	void init();
+	QPoint iconPosition(not_null<const style::CallButton*> st) const;
+	void mixIconMasks();
+
+	not_null<const style::CallButton*> _stFrom;
+	const style::CallButton *_stTo = nullptr;
+	CallButton *_corner = nullptr;
+	float64 _progress = 0.;
+
+	object_ptr<FlatLabel> _label = { nullptr };
+
+	std::optional<QColor> _bgOverride;
+	std::optional<QColor> _rippleOverride;
+
+	QImage _bgMask, _bg;
+	QPixmap _bgFrom, _bgTo;
+	QImage _iconMixedMask, _iconFrom, _iconTo, _iconMixed;
+
+	float64 _outerValue = 0.;
+	Animations::Simple _outerAnimation;
+
+};
+
+} // namespace Ui