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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "diagnosticmanager.h"
#include "client.h"
#include <coreplugin/editormanager/documentmodel.h>
#include <texteditor/fontsettings.h>
#include <texteditor/textdocument.h>
#include <texteditor/texteditor.h>
#include <texteditor/texteditorsettings.h>
#include <texteditor/textmark.h>
#include <texteditor/textstyles.h>
#include <utils/utilsicons.h>
#include <QAction>
#include <QApplication>
#include <QClipboard>
#include <QTextEdit>
using namespace LanguageServerProtocol;
using namespace Utils;
using namespace TextEditor;
namespace LanguageClient {
class TextMark : public TextEditor::TextMark
{
public:
TextMark(const FilePath &fileName, const Diagnostic &diag, const Id &clientId)
: TextEditor::TextMark(fileName, diag.range().start().line() + 1, clientId)
, m_diagnostic(diag)
{
setLineAnnotation(diag.message());
setToolTip(diag.message());
const bool isError
= diag.severity().value_or(DiagnosticSeverity::Hint) == DiagnosticSeverity::Error;
setColor(isError ? Theme::CodeModel_Error_TextMarkColor
: Theme::CodeModel_Warning_TextMarkColor);
setIcon(isError ? Icons::CODEMODEL_ERROR.icon()
: Icons::CODEMODEL_WARNING.icon());
}
const Diagnostic &diagnostic() const { return m_diagnostic; }
private:
const Diagnostic m_diagnostic;
};
DiagnosticManager::DiagnosticManager(Client *client)
: m_client(client)
{
m_textMarkCreator = [this](const FilePath &filePath, const Diagnostic &diagnostic) {
return createTextMark(filePath, diagnostic);
};
}
DiagnosticManager::~DiagnosticManager()
{
clearDiagnostics();
}
void DiagnosticManager::setDiagnostics(const LanguageServerProtocol::DocumentUri &uri,
const QList<LanguageServerProtocol::Diagnostic> &diagnostics,
const Utils::optional<int> &version)
{
removeDiagnostics(uri);
m_diagnostics[uri] = {version, diagnostics};
}
void DiagnosticManager::hideDiagnostics(TextDocument *doc)
{
if (!doc)
return;
if (m_hideHandler)
m_hideHandler();
for (BaseTextEditor *editor : BaseTextEditor::textEditorsForDocument(doc))
editor->editorWidget()->setExtraSelections(TextEditorWidget::CodeWarningsSelection, {});
qDeleteAll(Utils::filtered(doc->marks(), Utils::equal(&TextMark::category, m_client->id())));
}
void DiagnosticManager::removeDiagnostics(const LanguageServerProtocol::DocumentUri &uri)
{
hideDiagnostics(TextDocument::textDocumentForFilePath(uri.toFilePath()));
m_diagnostics.remove(uri);
}
static QTextEdit::ExtraSelection toDiagnosticsSelections(const Diagnostic &diagnostic,
QTextDocument *textDocument)
{
QTextCursor cursor(textDocument);
cursor.setPosition(diagnostic.range().start().toPositionInDocument(textDocument));
cursor.setPosition(diagnostic.range().end().toPositionInDocument(textDocument),
QTextCursor::KeepAnchor);
const FontSettings &fontSettings = TextEditorSettings::fontSettings();
const DiagnosticSeverity severity = diagnostic.severity().value_or(DiagnosticSeverity::Warning);
const TextStyle style = severity == DiagnosticSeverity::Error ? C_ERROR : C_WARNING;
return QTextEdit::ExtraSelection{cursor, fontSettings.toTextCharFormat(style)};
}
void DiagnosticManager::showDiagnostics(const DocumentUri &uri, int version)
{
const FilePath &filePath = uri.toFilePath();
if (TextDocument *doc = TextDocument::textDocumentForFilePath(filePath)) {
QList<QTextEdit::ExtraSelection> extraSelections;
const VersionedDiagnostics &versionedDiagnostics = m_diagnostics.value(uri);
if (versionedDiagnostics.version.value_or(version) == version) {
for (const Diagnostic &diagnostic : versionedDiagnostics.diagnostics) {
extraSelections << toDiagnosticsSelections(diagnostic, doc->document());
doc->addMark(m_textMarkCreator(filePath, diagnostic));
}
}
for (BaseTextEditor *editor : BaseTextEditor::textEditorsForDocument(doc)) {
editor->editorWidget()->setExtraSelections(TextEditorWidget::CodeWarningsSelection,
extraSelections);
}
}
}
TextEditor::TextMark *DiagnosticManager::createTextMark(const FilePath &filePath,
const Diagnostic &diagnostic) const
{
static const auto icon = QIcon::fromTheme("edit-copy", Utils::Icons::COPY.icon());
static const QString tooltip = tr("Copy to Clipboard");
QAction *action = new QAction();
action->setIcon(icon);
action->setToolTip(tooltip);
QObject::connect(action, &QAction::triggered, [text = diagnostic.message()]() {
QApplication::clipboard()->setText(text);
});
auto mark = new TextMark(filePath, diagnostic, m_client->id());
mark->setActions({action});
return mark;
}
void DiagnosticManager::clearDiagnostics()
{
for (const DocumentUri &uri : m_diagnostics.keys())
removeDiagnostics(uri);
}
QList<Diagnostic> DiagnosticManager::diagnosticsAt(const DocumentUri &uri,
const QTextCursor &cursor) const
{
const int documentRevision = m_client->documentVersion(uri.toFilePath());
auto it = m_diagnostics.find(uri);
if (it == m_diagnostics.end())
return {};
if (documentRevision != it->version.value_or(documentRevision))
return {};
return Utils::filtered(it->diagnostics, [range = Range(cursor)](const Diagnostic &diagnostic) {
return diagnostic.range().overlaps(range);
});
}
bool DiagnosticManager::hasDiagnostic(const LanguageServerProtocol::DocumentUri &uri,
const TextDocument *doc,
const LanguageServerProtocol::Diagnostic &diag) const
{
if (!doc)
return false;
const auto it = m_diagnostics.find(uri);
if (it == m_diagnostics.end())
return {};
const int revision = m_client->documentVersion(uri.toFilePath());
if (revision != it->version.value_or(revision))
return false;
return it->diagnostics.contains(diag);
}
void DiagnosticManager::setDiagnosticsHandlers(const TextMarkCreator &textMarkCreator,
const HideDiagnosticsHandler &removalHandler)
{
m_textMarkCreator = textMarkCreator;
m_hideHandler = removalHandler;
}
} // namespace LanguageClient
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