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// Copyright (C) 2016 Brian McGillion
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "mercurialcommitwidget.h"
#include <texteditor/texteditorsettings.h>
#include <texteditor/fontsettings.h>
#include <texteditor/syntaxhighlighter.h>
#include <texteditor/texteditorconstants.h>
#include <utils/completingtextedit.h>
#include <utils/qtcassert.h>
#include <QRegularExpression>
#include <QSyntaxHighlighter>
#include <QTextEdit>
//see the git submit widget for details of the syntax Highlighter
namespace Mercurial {
namespace Internal {
// Highlighter for Mercurial submit messages. Make the first line bold, indicates
// comments as such (retrieving the format from the text editor) and marks up
// keywords (words in front of a colon as in 'Task: <bla>').
class MercurialSubmitHighlighter : TextEditor::SyntaxHighlighter
{
public:
explicit MercurialSubmitHighlighter(QTextEdit *parent);
void highlightBlock(const QString &text) override;
private:
enum State { None = -1, Header, Other };
const QRegularExpression m_keywordPattern;
};
MercurialSubmitHighlighter::MercurialSubmitHighlighter(QTextEdit *parent) :
TextEditor::SyntaxHighlighter(parent),
m_keywordPattern(QLatin1String("^\\w+:"))
{
QTC_CHECK(m_keywordPattern.isValid());
setDefaultTextFormatCategories();
}
void MercurialSubmitHighlighter::highlightBlock(const QString &text)
{
// figure out current state
auto state = static_cast<State>(previousBlockState());
if (text.startsWith(QLatin1String("HG:"))) {
setFormat(0, text.size(), formatForCategory(TextEditor::C_COMMENT));
setCurrentBlockState(state);
return;
}
if (state == None) {
if (text.isEmpty()) {
setCurrentBlockState(state);
return;
}
state = Header;
} else if (state == Header) {
state = Other;
}
setCurrentBlockState(state);
// Apply format.
switch (state) {
case None:
break;
case Header: {
QTextCharFormat charFormat = format(0);
charFormat.setFontWeight(QFont::Bold);
setFormat(0, text.size(), charFormat);
break;
}
case Other:
// Format key words ("Task:") italic
const QRegularExpressionMatch match = m_keywordPattern.match(text);
if (match.hasMatch() && match.capturedStart() == 0) {
QTextCharFormat charFormat = format(0);
charFormat.setFontItalic(true);
setFormat(0, match.capturedLength(), charFormat);
}
break;
}
}
MercurialCommitWidget::MercurialCommitWidget() :
mercurialCommitPanel(new QWidget)
{
mercurialCommitPanelUi.setupUi(mercurialCommitPanel);
insertTopWidget(mercurialCommitPanel);
new MercurialSubmitHighlighter(descriptionEdit());
}
void MercurialCommitWidget::setFields(const QString &repositoryRoot, const QString &branch,
const QString &userName, const QString &email)
{
mercurialCommitPanelUi.repositoryLabel->setText(repositoryRoot);
mercurialCommitPanelUi.branchLabel->setText(branch);
mercurialCommitPanelUi.authorLineEdit->setText(userName);
mercurialCommitPanelUi.emailLineEdit->setText(email);
}
QString MercurialCommitWidget::committer()
{
const QString author = mercurialCommitPanelUi.authorLineEdit->text();
const QString email = mercurialCommitPanelUi.emailLineEdit->text();
if (author.isEmpty())
return QString();
QString user = author;
if (!email.isEmpty()) {
user += QLatin1String(" <");
user += email;
user += QLatin1Char('>');
}
return user;
}
QString MercurialCommitWidget::repoRoot()
{
return mercurialCommitPanelUi.repositoryLabel->text();
}
QString MercurialCommitWidget::cleanupDescription(const QString &input) const
{
const QRegularExpression commentLine(QLatin1String("^HG:[^\\n]*(\\n|$)"),
QRegularExpression::MultilineOption);
QString message = input;
message.remove(commentLine);
return message;
}
} // namespace Internal
} // namespace Mercurial
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