init

Telegram/SourceFiles/window/window_chat_switch_process.h

@@ -0,0 +1,86 @@
+/*
+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/round_rect.h"
+#include "ui/userpic_view.h"
+
+namespace Data {
+class Thread;
+} // namespace Data
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Shortcuts {
+struct ChatSwitchRequest;
+} // namespace Shortcuts
+
+namespace Ui {
+class AbstractButton;
+class RpWidget;
+} // namespace Ui
+
+namespace Window {
+
+class ChatSwitchProcess final {
+public:
+	// Create widget in geometry->parentWidget() and geometry->geometry().
+	ChatSwitchProcess(
+		not_null<Ui::RpWidget*> geometry,
+		not_null<Main::Session*> session,
+		Data::Thread *opened);
+	~ChatSwitchProcess();
+
+	[[nodiscard]] rpl::producer<not_null<Data::Thread*>> chosen() const;
+	[[nodiscard]] rpl::producer<> closeRequests() const;
+
+	using Request = Shortcuts::ChatSwitchRequest;
+	void process(const Request &request);
+
+	[[nodiscard]] rpl::lifetime &lifetime();
+
+private:
+	struct Entry;
+
+	void setupWidget(not_null<Ui::RpWidget*> geometry);
+	void setupContent(Data::Thread *opened);
+	void setupView();
+
+	void layout(QSize size);
+	void remove(not_null<Data::Thread*> thread);
+
+	void setSelected(int index);
+
+	const not_null<Main::Session*> _session;
+	const std::unique_ptr<Ui::RpWidget> _widget;
+	const not_null<Ui::RpWidget*> _view;
+
+	QRect _shadowed;
+	QRect _outer;
+	QRect _inner;
+	Ui::RoundRect _bg;
+
+	base::flat_map<not_null<PeerData*>, Ui::PeerUserpicView> _userpics;
+	std::vector<not_null<Data::Thread*>> _list;
+	std::vector<Entry> _entries;
+
+	int _selected = -1;
+	int _shownRows = 0;
+	int _shownCount = 0;
+	int _shownPerRow = 0;
+
+	rpl::event_stream<not_null<Data::Thread*>> _chosen;
+	rpl::event_stream<> _closeRequests;
+
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Window