init

Telegram/SourceFiles/intro/intro_code_input.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/rp_widget.h"
+
+namespace Ui {
+
+class CodeDigit;
+class PopupMenu;
+
+class CodeInput final : public Ui::RpWidget {
+public:
+	CodeInput(QWidget *parent);
+
+	QAccessible::Role accessibilityRole() override {
+		return QAccessible::EditableText;
+	}
+	QString accessibilityName() override;
+	QString accessibilityValue() const override;
+
+	void setDigitsCountMax(int digitsCount);
+
+	void setCode(QString code);
+
+	void requestCode();
+	[[nodiscard]] rpl::producer<QString> codeCollected() const;
+
+	void clear();
+	void showError();
+
+protected:
+	void focusInEvent(QFocusEvent *e) override;
+	void focusOutEvent(QFocusEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
+	void keyPressEvent(QKeyEvent *e) override;
+	void contextMenuEvent(QContextMenuEvent *e) override;
+
+private:
+	[[nodiscard]] QString collectDigits() const;
+
+	void insertCodeAndSubmit(const QString &code);
+	void unfocusAll(int except);
+	void findEmptyAndPerform(const Fn<void(int)> &callback);
+
+	int _digitsCountMax = 0;
+	std::vector<not_null<CodeDigit*>> _digits;
+	int _currentIndex = 0;
+
+	base::unique_qptr<Ui::PopupMenu> _menu;
+
+	rpl::event_stream<QString> _codeCollected;
+
+};
+
+} // namespace Ui