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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "languageclient_global.h"
#include <languageserverprotocol/languagefeatures.h>
#include <texteditor/basehoverhandler.h>
#include <functional>
namespace LanguageClient {
class Client;
using HelpItemProvider = std::function<void(const LanguageServerProtocol::HoverRequest::Response &,
const LanguageServerProtocol::DocumentUri &uri)>;
class LANGUAGECLIENT_EXPORT HoverHandler final : public TextEditor::BaseHoverHandler
{
Q_DECLARE_TR_FUNCTIONS(HoverHandler)
public:
explicit HoverHandler(Client *client);
~HoverHandler() override;
void abort() override;
/// If prefer diagnostics is enabled the hover handler checks whether a diagnostics is at the
/// pos passed to identifyMatch _before_ sending hover request to the server. If a diagnostic
/// can be found it will be used as a tooltip and no hover request is sent to the server.
/// If prefer diagnostics is disabled the diagnostics are only checked if the response is empty.
/// Defaults to prefer diagnostics.
void setPreferDiagnosticts(bool prefer);
void setHelpItemProvider(const HelpItemProvider &provider) { m_helpItemProvider = provider; }
void setHelpItem(const LanguageServerProtocol::MessageId &msgId, const Core::HelpItem &help);
protected:
void identifyMatch(TextEditor::TextEditorWidget *editorWidget,
int pos,
ReportPriority report) override;
private:
void handleResponse(const LanguageServerProtocol::HoverRequest::Response &response,
const QTextCursor &cursor);
void setContent(const LanguageServerProtocol::HoverContent &content);
bool reportDiagnostics(const QTextCursor &cursor);
QPointer<Client> m_client;
Utils::optional<LanguageServerProtocol::MessageId> m_currentRequest;
LanguageServerProtocol::DocumentUri m_uri;
LanguageServerProtocol::HoverRequest::Response m_response;
TextEditor::BaseHoverHandler::ReportPriority m_report;
HelpItemProvider m_helpItemProvider;
bool m_preferDiagnostics = true;
};
} // namespace LanguageClient
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