aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/mercurial/mercurialcommitwidget.cpp
blob: c7e3ce7e6a79d8c10e833e37e18ba8b9093e955c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/****************************************************************************
**
** Copyright (C) 2016 Brian McGillion
** 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 "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