init

Telegram/lib_ui/ui/widgets/shadow.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 "ui/rp_widget.h"
+#include "ui/rect_part.h"
+
+namespace style {
+struct Shadow;
+} // namespace style
+
+namespace Ui {
+
+class PlainShadow : public RpWidget {
+public:
+	PlainShadow(QWidget *parent);
+	PlainShadow(QWidget *parent, style::color color);
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	style::color _color;
+
+};
+
+class Shadow : public RpWidget {
+public:
+	Shadow(
+		QWidget *parent,
+		const style::Shadow &st,
+		RectParts sides = RectPart::AllSides)
+	: RpWidget(parent)
+	, _st(st)
+	, _sides(sides) {
+	}
+
+	static void paint(
+		QPainter &p,
+		const QRect &box,
+		int outerWidth,
+		const style::Shadow &st,
+		RectParts sides = RectPart::AllSides);
+
+	static void paint(
+		QPainter &p,
+		const QRect &box,
+		int outerWidth,
+		const style::Shadow &st,
+		const std::array<QImage, 4> &corners,
+		RectParts sides = RectPart::AllSides);
+
+	static void paint(
+		QPainter &p,
+		const QRect &box,
+		int outerWidth,
+		const style::Shadow &st,
+		const std::array<QImage, 4> &sides,
+		const std::array<QImage, 4> &corners);
+
+	static QPixmap grab(
+		not_null<RpWidget*> target,
+		const style::Shadow &shadow,
+		RectParts sides = RectPart::AllSides);
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	const style::Shadow &_st;
+	RectParts _sides;
+
+};
+
+} // namespace Ui