init

Telegram/SourceFiles/ui/chat/pinned_bar.h

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+/*
+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/wrap/slide_wrap.h"
+#include "base/object_ptr.h"
+
+namespace Ui {
+
+struct MessageBarContent;
+template <typename Widget>
+class FadeWrapScaled;
+class MessageBar;
+class IconButton;
+class PlainShadow;
+class RpWidget;
+
+class PinnedBar final {
+public:
+	PinnedBar(
+		not_null<QWidget*> parent,
+		Fn<bool()> customEmojiPaused,
+		rpl::producer<> customEmojiPausedChanges);
+	~PinnedBar();
+
+	void show();
+	void hide();
+	void raise();
+	void customEmojiRepaint();
+	void finishAnimating();
+
+	void setShadowGeometryPostprocess(Fn<QRect(QRect)> postprocess);
+
+	void setContent(rpl::producer<Ui::MessageBarContent> content);
+	void setRightButton(object_ptr<Ui::RpWidget> button);
+
+	void move(int x, int y);
+	void resizeToWidth(int width);
+	[[nodiscard]] int height() const;
+	[[nodiscard]] rpl::producer<int> heightValue() const;
+	[[nodiscard]] rpl::producer<> barClicks() const;
+	[[nodiscard]] rpl::producer<> contextMenuRequested() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime() {
+		return _wrap.lifetime();
+	}
+
+private:
+	using RightButton = object_ptr<Ui::FadeWrapScaled<Ui::RpWidget>>;
+	void createControls();
+	void updateShadowGeometry(QRect wrapGeometry);
+	void updateControlsGeometry(QRect wrapGeometry);
+
+	Ui::SlideWrap<> _wrap;
+	std::unique_ptr<Ui::MessageBar> _bar;
+
+	struct {
+		RightButton button = { nullptr };
+		rpl::lifetime previousButtonLifetime;
+	} _right;
+
+	std::unique_ptr<Ui::PlainShadow> _shadow;
+	Fn<bool()> _customEmojiPaused;
+	rpl::event_stream<> _barClicks;
+	rpl::event_stream<> _contextMenuRequested;
+	Fn<QRect(QRect)> _shadowGeometryPostprocess;
+	bool _shouldBeShown = false;
+	bool _forceHidden = false;
+
+	rpl::lifetime _contentLifetime;
+
+};
+
+} // namespace Ui