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Telegram/SourceFiles/chat_helpers/message_field.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 "base/qt/qt_compare.h"
+#include "base/timer.h"
+#include "chat_helpers/compose/compose_features.h"
+#include "ui/widgets/fields/input_field.h"
+
+#ifndef TDESKTOP_DISABLE_SPELLCHECK
+#include "boxes/dictionaries_manager.h"
+#include "spellcheck/spelling_highlighter.h"
+#endif // TDESKTOP_DISABLE_SPELLCHECK
+
+#include <QtGui/QClipboard>
+
+namespace tr {
+struct now_t;
+} // namespace tr
+
+namespace Main {
+class Session;
+class SessionShow;
+} // namespace Main
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace ChatHelpers {
+enum class PauseReason;
+class Show;
+} // namespace ChatHelpers
+
+namespace HistoryView::Controls {
+struct WriteRestriction;
+} // namespace HistoryView::Controls
+
+namespace Ui {
+class GenericBox;
+class PopupMenu;
+class Show;
+} // namespace Ui
+
+[[nodiscard]] QString PrepareMentionTag(not_null<UserData*> user);
+[[nodiscard]] TextWithTags PrepareEditText(not_null<HistoryItem*> item);
+[[nodiscard]] bool EditTextChanged(
+	not_null<HistoryItem*> item,
+	TextWithTags updated);
+
+Fn<bool(
+	Ui::InputField::EditLinkSelection selection,
+	TextWithTags text,
+	QString link,
+	Ui::InputField::EditLinkAction action)> DefaultEditLinkCallback(
+		std::shared_ptr<Main::SessionShow> show,
+		not_null<Ui::InputField*> field,
+		const style::InputField *fieldStyle = nullptr);
+Fn<void(QString now, Fn<void(QString)> save)> DefaultEditLanguageCallback(
+	std::shared_ptr<Ui::Show> show);
+
+struct MessageFieldHandlersArgs {
+	not_null<Main::Session*> session;
+	std::shared_ptr<Main::SessionShow> show; // may be null
+	not_null<Ui::InputField*> field;
+	Fn<bool()> customEmojiPaused;
+	Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji;
+	const style::InputField *fieldStyle = nullptr;
+	base::flat_set<QString> allowMarkdownTags;
+};
+void InitMessageFieldHandlers(MessageFieldHandlersArgs &&args);
+
+void InitMessageFieldHandlers(
+	not_null<Window::SessionController*> controller,
+	not_null<Ui::InputField*> field,
+	ChatHelpers::PauseReason pauseReasonLevel,
+	Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji = nullptr);
+void InitMessageField(
+	std::shared_ptr<ChatHelpers::Show> show,
+	not_null<Ui::InputField*> field,
+	Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji);
+void InitMessageField(
+	not_null<Window::SessionController*> controller,
+	not_null<Ui::InputField*> field,
+	Fn<bool(not_null<DocumentData*>)> allowPremiumEmoji);
+
+void InitSpellchecker(
+	std::shared_ptr<Main::SessionShow> show,
+	not_null<Ui::InputField*> field,
+	bool skipDictionariesManager = false);
+
+[[nodiscard]] Fn<void(not_null<Ui::InputField*>)> FactcheckFieldIniter(
+	std::shared_ptr<Main::SessionShow> show);
+
+bool HasSendText(not_null<const Ui::InputField*> field);
+
+void InitMessageFieldFade(
+	not_null<Ui::InputField*> field,
+	const style::color &bg);
+
+struct InlineBotQuery {
+	QString query;
+	QString username;
+	UserData *bot = nullptr;
+	bool lookingUpBot = false;
+};
+InlineBotQuery ParseInlineBotQuery(
+	not_null<Main::Session*> session,
+	not_null<const Ui::InputField*> field);
+
+struct AutocompleteQuery {
+	QString query;
+	bool fromStart = false;
+};
+AutocompleteQuery ParseMentionHashtagBotCommandQuery(
+	not_null<const Ui::InputField*> field,
+	ChatHelpers::ComposeFeatures features);
+
+struct MessageLinkRange {
+	int start = 0;
+	int length = 0;
+	QString custom;
+
+	friend inline auto operator<=>(
+		const MessageLinkRange&,
+		const MessageLinkRange&) = default;
+	friend inline bool operator==(
+		const MessageLinkRange&,
+		const MessageLinkRange&) = default;
+};
+
+class MessageLinksParser final : private QObject {
+public:
+	MessageLinksParser(not_null<Ui::InputField*> field);
+
+	void parseNow();
+	void setDisabled(bool disabled);
+
+	[[nodiscard]] const rpl::variable<QStringList> &list() const {
+		return _list;
+	}
+	[[nodiscard]] const std::vector<MessageLinkRange> &ranges() const {
+		return _ranges;
+	}
+
+private:
+	bool eventFilter(QObject *object, QEvent *event) override;
+
+	void parse();
+	void applyRanges(const QString &text);
+
+	not_null<Ui::InputField*> _field;
+	rpl::variable<QStringList> _list;
+	std::vector<MessageLinkRange> _ranges;
+	int _lastLength = 0;
+	bool _disabled = false;
+	base::Timer _timer;
+	rpl::lifetime _lifetime;
+
+};
+
+[[nodiscard]] base::unique_qptr<Ui::RpWidget> CreateDisabledFieldView(
+	QWidget *parent,
+	not_null<PeerData*> peer);
+[[nodiscard]] std::unique_ptr<Ui::RpWidget> TextErrorSendRestriction(
+	QWidget *parent,
+	const QString &text);
+[[nodiscard]] std::unique_ptr<Ui::RpWidget> PremiumRequiredSendRestriction(
+	QWidget *parent,
+	not_null<UserData*> user,
+	not_null<Window::SessionController*> controller);
+[[nodiscard]] auto BoostsToLiftWriteRestriction(
+	not_null<QWidget*> parent,
+	std::shared_ptr<ChatHelpers::Show> show,
+	not_null<PeerData*> peer,
+	int boosts)
+-> std::unique_ptr<Ui::AbstractButton>;
+
+struct FreezeInfoStyleOverride {
+	const style::Box *box = nullptr;
+	const style::FlatLabel *title = nullptr;
+	const style::FlatLabel *subtitle = nullptr;
+	const style::icon *violationIcon = nullptr;
+	const style::icon *readOnlyIcon = nullptr;
+	const style::icon *appealIcon = nullptr;
+	const style::FlatLabel *infoTitle = nullptr;
+	const style::FlatLabel *infoAbout = nullptr;
+};
+[[nodiscard]] FreezeInfoStyleOverride DarkFreezeInfoStyle();
+
+enum class FrozenWriteRestrictionType {
+	MessageField,
+	DialogsList,
+};
+[[nodiscard]] std::unique_ptr<Ui::AbstractButton> FrozenWriteRestriction(
+	not_null<QWidget*> parent,
+	std::shared_ptr<ChatHelpers::Show> show,
+	FrozenWriteRestrictionType type,
+	FreezeInfoStyleOverride st = {});
+
+void SelectTextInFieldWithMargins(
+	not_null<Ui::InputField*> field,
+	const TextSelection &selection);
+
+[[nodiscard]] TextWithEntities PaidSendButtonText(tr::now_t, int stars);
+[[nodiscard]] rpl::producer<TextWithEntities> PaidSendButtonText(
+	rpl::producer<int> stars,
+	rpl::producer<QString> fallback = nullptr);
+
+void FrozenInfoBox(
+	not_null<Ui::GenericBox*> box,
+	not_null<Main::Session*> session,
+	FreezeInfoStyleOverride st);