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Telegram/SourceFiles/ui/widgets/fields/special_fields.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/widgets/fields/masked_input_field.h"
+
+namespace Ui {
+
+class CountryCodeInput : public MaskedInputField {
+public:
+	CountryCodeInput(QWidget *parent, const style::InputField &st);
+
+	void startErasing(QKeyEvent *e);
+
+	[[nodiscard]] rpl::producer<QString> addedToNumber() const {
+		return _addedToNumber.events();
+	}
+	[[nodiscard]] rpl::producer<QString> codeChanged() const {
+		return _codeChanged.events();
+	}
+	[[nodiscard]] rpl::producer<> spacePressed() const {
+		return _spacePressed.events();
+	}
+
+	void codeSelected(const QString &code);
+
+protected:
+	void keyPressEvent(QKeyEvent *e) override;
+	void correctValue(
+		const QString &was,
+		int wasCursor,
+		QString &now,
+		int &nowCursor) override;
+
+private:
+	bool _nosignal = false;
+	rpl::event_stream<QString> _addedToNumber;
+	rpl::event_stream<QString> _codeChanged;
+	rpl::event_stream<> _spacePressed;
+
+};
+
+class PhonePartInput : public MaskedInputField {
+public:
+	using GroupsCallback = Fn<QVector<int>(const QString &)>;
+
+	PhonePartInput(
+		QWidget *parent,
+		const style::InputField &st,
+		GroupsCallback groupsCallback);
+
+	[[nodiscard]] auto frontBackspaceEvent() const
+	-> rpl::producer<not_null<QKeyEvent*>> {
+		return _frontBackspaceEvent.events();
+	}
+
+	void addedToNumber(const QString &added);
+	void chooseCode(const QString &code);
+
+protected:
+	void keyPressEvent(QKeyEvent *e) override;
+
+	void correctValue(
+		const QString &was,
+		int wasCursor,
+		QString &now,
+		int &nowCursor) override;
+	void paintAdditionalPlaceholder(QPainter &p) override;
+
+private:
+	void updatePattern(QVector<int> &&pattern);
+
+	QString _code;
+	QString _lastDigits;
+	QVector<int> _pattern;
+	QString _additionalPlaceholder;
+	rpl::event_stream<not_null<QKeyEvent*>> _frontBackspaceEvent;
+	GroupsCallback _groupsCallback;
+
+};
+
+class UsernameInput : public MaskedInputField {
+public:
+	UsernameInput(
+		QWidget *parent,
+		const style::InputField &st,
+		rpl::producer<QString> placeholder,
+		const QString &val,
+		const QString &linkPlaceholder);
+
+	void setLinkPlaceholder(const QString &placeholder);
+
+protected:
+	void correctValue(
+		const QString &was,
+		int wasCursor,
+		QString &now,
+		int &nowCursor) override;
+	void paintAdditionalPlaceholder(QPainter &p) override;
+
+private:
+	QString _linkPlaceholder;
+
+};
+
+class PhoneInput : public MaskedInputField {
+public:
+	using GroupsCallback = Fn<QVector<int>(const QString &)>;
+
+	PhoneInput(
+		QWidget *parent,
+		const style::InputField &st,
+		rpl::producer<QString> placeholder,
+		const QString &defaultValue,
+		QString value,
+		GroupsCallback groupsCallback);
+
+	void clearText();
+
+protected:
+	void focusInEvent(QFocusEvent *e) override;
+
+	void correctValue(
+		const QString &was,
+		int wasCursor,
+		QString &now,
+		int &nowCursor) override;
+	void paintAdditionalPlaceholder(QPainter &p) override;
+
+private:
+	QString _defaultValue;
+	QVector<int> _pattern;
+	QString _additionalPlaceholder;
+
+	GroupsCallback _groupsCallback;
+
+};
+
+} // namespace Ui