| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "qqmlhover_p.h" |
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| 5 | #include <QtQmlLS/private/qqmllshelputils_p.h> |
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| 6 | |
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| 7 | QT_BEGIN_NAMESPACE |
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| 8 | |
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| 9 | Q_STATIC_LOGGING_CATEGORY(hoverLog, "qt.languageserver.hover" ) |
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| 10 | |
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| 11 | QQmlHover::QQmlHover(QmlLsp::QQmlCodeModel *codeModel) |
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| 12 | : QQmlBaseModule(codeModel), m_helpManager(std::make_unique<HelpManager>()) |
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| 13 | { |
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| 14 | // if set thorugh the commandline |
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| 15 | if (!codeModel->documentationRootPath().isEmpty()) |
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| 16 | m_helpManager->setDocumentationRootPath(codeModel->documentationRootPath()); |
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| 17 | |
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| 18 | connect(sender: codeModel, signal: &QmlLsp::QQmlCodeModel::documentationRootPathChanged, context: this, slot: [this](const QString &path) { |
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| 19 | m_helpManager->setDocumentationRootPath(path); |
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| 20 | }); |
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| 21 | } |
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| 22 | |
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| 23 | QQmlHover::~QQmlHover() = default; |
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| 24 | |
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| 25 | QString QQmlHover::name() const |
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| 26 | { |
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| 27 | return u"QQmlHover"_s ; |
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| 28 | } |
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| 29 | |
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| 30 | void QQmlHover::registerHandlers(QLanguageServer *, QLanguageServerProtocol *protocol) |
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| 31 | { |
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| 32 | protocol->registerHoverRequestHandler(handler: getRequestHandler()); |
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| 33 | } |
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| 34 | |
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| 35 | void QQmlHover::setupCapabilities( |
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| 36 | const QLspSpecification::InitializeParams &, |
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| 37 | QLspSpecification::InitializeResult &serverCapabilities) |
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| 38 | { |
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| 39 | serverCapabilities.capabilities.hoverProvider = true; |
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| 40 | } |
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| 41 | |
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| 42 | void QQmlHover::process(RequestPointerArgument request) |
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| 43 | { |
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| 44 | if (!m_helpManager) { |
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| 45 | qCWarning(hoverLog) |
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| 46 | << "No help manager is available, documentation hints will not function!" ; |
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| 47 | return; |
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| 48 | } |
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| 49 | using namespace QQmlJS::Dom; |
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| 50 | QLspSpecification::Hover result; |
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| 51 | ResponseScopeGuard guard(result, request->m_response); |
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| 52 | if (!request) { |
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| 53 | qCWarning(hoverLog) << "No hover information is available!" ; |
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| 54 | return; |
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| 55 | } |
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| 56 | const auto textDocument = request->m_parameters.textDocument; |
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| 57 | const auto position = request->m_parameters.position; |
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| 58 | const auto doc = m_codeModel->openDocumentByUrl(url: QQmlLSUtils::lspUriToQmlUrl(uri: textDocument.uri)); |
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| 59 | DomItem file = doc.snapshot.doc.fileObject(option: GoTo::MostLikely); |
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| 60 | if (!file) { |
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| 61 | guard.setError(QQmlLSUtils::ErrorMessage{ |
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| 62 | .code: 0, .message: u"Could not find the file %1"_s .arg(a: doc.snapshot.doc.canonicalFilePath()) }); |
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| 63 | return; |
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| 64 | } |
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| 65 | |
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| 66 | const auto documentation = m_helpManager->documentationForItem(file, position); |
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| 67 | if (!documentation.has_value()) { |
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| 68 | qCDebug(hoverLog) |
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| 69 | << QStringLiteral( |
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| 70 | "No documentation hints found for the item at (line, col): (%1,%2)" ) |
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| 71 | .arg(a: position.line) |
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| 72 | .arg(a: position.character); |
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| 73 | return; |
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| 74 | } |
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| 75 | QLspSpecification::MarkupContent content; |
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| 76 | // TODO: We need to do post-formatting what we fetch from documentation. |
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| 77 | content.kind = QLspSpecification::MarkupKind::Markdown; |
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| 78 | content.value = documentation.value(); |
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| 79 | result.contents = std::move(content); |
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| 80 | } |
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| 81 | |
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| 82 | QT_END_NAMESPACE |
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| 83 | |
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